Task #2000 - xen-4.18.1-1.fc40/scan-results.err
back to task #2000download
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/balloon.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/gnttab.c:70: warning[uninitvar]: Uninitialized variable: frames
# 68| }
# 69|
# 70|-> return map_frames(frames, nr_grant_frames);
# 71| }
# 72| #endif
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/gnttab.c:106:34: warning[core.UndefinedBinaryOperatorResult]: The left operand of '<<' is a garbage value
# 104| {
# 105| HYPERVISOR_update_va_mapping((unsigned long)gnttab_table + PAGE_SIZE * i,
# 106|-> __pte((frames[i] << PAGE_SHIFT) | L1_PROT), UVMF_INVLPG);
# 107| }
# 108| #endif
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/ioremap.c:43:12: warning[deadcode.DeadStores]: Although the value stored to 'mfn' is used in the enclosing expression, the value is never actually read from 'mfn'
# 41| num_pages = (offset + size + PAGE_SIZE - 1) / PAGE_SIZE;
# 42| phys_addr &= PAGE_MASK;
# 43|-> mfns = mfn = phys_addr >> PAGE_SHIFT;
# 44|
# 45| va = (unsigned long)map_frames_ex(&mfns, num_pages, 0, 1, 1,
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c:207:16: warning[deadcode.DeadStores]: Value stored to 'tab' during its initialization is never read
# 205| unsigned long start_address, end_address;
# 206| unsigned long pfn_to_map, pt_pfn = *start_pfn;
# 207|-> pgentry_t *tab = pt_base, page;
# 208| unsigned long pt_mfn = pfn_to_mfn(virt_to_pfn(pt_base));
# 209| unsigned long offset;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c:208:19: warning[deadcode.DeadStores]: Value stored to 'pt_mfn' during its initialization is never read
# 206| unsigned long pfn_to_map, pt_pfn = *start_pfn;
# 207| pgentry_t *tab = pt_base, page;
# 208|-> unsigned long pt_mfn = pfn_to_mfn(virt_to_pfn(pt_base));
# 209| unsigned long offset;
# 210| #ifdef CONFIG_PARAVIRT
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c:320:16: warning[deadcode.DeadStores]: Value stored to 'tab' during its initialization is never read
# 318| ((unsigned long) text + PAGE_SIZE - 1) & PAGE_MASK;
# 319| unsigned long end_address = (unsigned long) etext;
# 320|-> pgentry_t *tab = pt_base, page;
# 321| unsigned long mfn = pfn_to_mfn(virt_to_pfn(pt_base));
# 322| unsigned long offset;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c:321:19: warning[deadcode.DeadStores]: Value stored to 'mfn' during its initialization is never read
# 319| unsigned long end_address = (unsigned long) etext;
# 320| pgentry_t *tab = pt_base, page;
# 321|-> unsigned long mfn = pfn_to_mfn(virt_to_pfn(pt_base));
# 322| unsigned long offset;
# 323| unsigned long page_size = PAGE_SIZE;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c:335:9: warning[deadcode.DeadStores]: Value stored to 'mfn' is never read
# 333| {
# 334| tab = pt_base;
# 335|-> mfn = pfn_to_mfn(virt_to_pfn(pt_base));
# 336|
# 337| #if defined(__x86_64__)
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c:414:5: warning[deadcode.DeadStores]: Value stored to 'mfn' is never read
# 412|
# 413| tab = pt_base;
# 414|-> mfn = virt_to_mfn(pt_base);
# 415|
# 416| #if defined(__x86_64__)
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c:706:18: warning[core.uninitialized.Branch]: Branch condition evaluates to a garbage value
# 704| for ( i = 0; i < n; i++ )
# 705| {
# 706|-> if ( call[i].result )
# 707| {
# 708| printk("update_va_mapping failed for with rc=%d.\n", ret);
Error: GCC_ANALYZER_WARNING (CWE-787):
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c: scope_hint: In function ‘clear_bootstrap’
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c:741:5: warning[-Wanalyzer-out-of-bounds]: buffer overflow
xen-4.18.1-build/xen-4.18.1/extras/mini-os/include/mm.h:41: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/include/x86/x86_64/hypercall-x86_64.h:39: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/include/hypervisor.h:20: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/include/x86/os.h:16: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c:38: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c:741:5: note: write of 4095 bytes to beyond the end of ‘_text’
# 739|
# 740| /* Use first page as the CoW zero page */
# 741|-> memset(&_text, 0, PAGE_SIZE);
# 742| mfn_zero = virt_to_mfn((unsigned long) &_text);
# 743| #ifdef CONFIG_PARAVIRT
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/extras/mini-os/arch/x86/mm.c:748:10: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘pgt’
# 746| #else
# 747| pgt = get_pgt((unsigned long)&_text);
# 748|-> *pgt = 0;
# 749| invlpg((unsigned long)&_text);
# 750| #endif
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/balloon.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/console.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/extras/mini-os/console.c: scope_hint: In function ‘xencons_ring_avail’
xen-4.18.1-build/xen-4.18.1/extras/mini-os/console.c:316:10: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘intf’
xen-4.18.1-build/xen-4.18.1/extras/mini-os/include/lib.h:131: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/console.c:43: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/console.c: scope_hint: In function ‘xencons_ring_avail’
# 314| intf = dev->ring;
# 315|
# 316|-> cons = intf->in_cons;
# 317| prod = intf->in_prod;
# 318| mb();
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/extras/mini-os/console.c: scope_hint: In function ‘xencons_ring_recv’
xen-4.18.1-build/xen-4.18.1/extras/mini-os/console.c:335:10: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘intf’
xen-4.18.1-build/xen-4.18.1/extras/mini-os/console.c: scope_hint: In function ‘xencons_ring_recv’
# 333| intf = dev->ring;
# 334|
# 335|-> cons = intf->in_cons;
# 336| prod = intf->in_prod;
# 337| mb();
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/extras/mini-os/console.c: scope_hint: In function ‘xencons_ring_init’
xen-4.18.1-build/xen-4.18.1/extras/mini-os/console.c:363:5: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL ‘dev’ where non-null expected
<built-in>: note: argument 1 of ‘__builtin_memset’ must be non-null
# 361|
# 362| dev = malloc(sizeof(struct consfront_dev));
# 363|-> memset(dev, 0, sizeof(struct consfront_dev));
# 364| dev->nodename = "device/console";
# 365| dev->dom = 0;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/e820.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/events.c:138:5: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 136| return -1;
# 137| }
# 138|-> bind_evtchn(op.port, handler, data);
# 139| return op.port;
# 140| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/events.c:157:2: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 155| return -1;
# 156| }
# 157|-> bind_evtchn(op.port, handler, data);
# 158| return op.port;
# 159| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/events.c:217:13: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 215| return rc;
# 216| }
# 217|-> *port = bind_evtchn(op.port, handler, data);
# 218| return rc;
# 219| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/events.c:239:10: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 237| return rc;
# 238| }
# 239|-> port = op.local_port;
# 240| *local_port = bind_evtchn(port, handler, data);
# 241| return rc;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/gntmap.c:126:30: warning[core.UndefinedBinaryOperatorResult]: The left operand of '!=' is a garbage value
# 124|
# 125| rc = HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, &op, 1);
# 126|-> if (rc != 0 || op.status != GNTST_okay) {
# 127| printk("GNTTABOP_unmap_grant_ref failed: "
# 128| "returned %d, status %" PRId16 "\n",
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/gntmap.c:127:9: warning[core.CallAndMessage]: 3rd function call argument is an uninitialized value
# 125| rc = HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, &op, 1);
# 126| if (rc != 0 || op.status != GNTST_okay) {
# 127|-> printk("GNTTABOP_unmap_grant_ref failed: "
# 128| "returned %d, status %" PRId16 "\n",
# 129| rc, op.status);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/gntmap.c:163:30: warning[core.UndefinedBinaryOperatorResult]: The left operand of '!=' is a garbage value
# 161|
# 162| rc = HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, &op, 1);
# 163|-> if (rc != 0 || op.status != GNTST_okay) {
# 164| printk("GNTTABOP_map_grant_ref failed: "
# 165| "returned %d, status %" PRId16 "\n",
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/gntmap.c:164:9: warning[core.CallAndMessage]: 3rd function call argument is an uninitialized value
# 162| rc = HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, &op, 1);
# 163| if (rc != 0 || op.status != GNTST_okay) {
# 164|-> printk("GNTTABOP_map_grant_ref failed: "
# 165| "returned %d, status %" PRId16 "\n",
# 166| rc, op.status);
Error: GCC_ANALYZER_WARNING (CWE-835):
xen-4.18.1-build/xen-4.18.1/extras/mini-os/gnttab.c: scope_hint: In function ‘gnttab_end_transfer’
xen-4.18.1-build/xen-4.18.1/extras/mini-os/gnttab.c:135:12: warning[-Wanalyzer-infinite-loop]: infinite loop
# 133|
# 134| /* If a transfer is in progress then wait until it is completed. */
# 135|-> while (!(flags & GTF_transfer_completed)) {
# 136| flags = gnttab_table[ref].flags;
# 137| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/hypervisor.c:54:12: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 52| BUG();
# 53|
# 54|-> *value = xhv.value;
# 55| return ret;
# 56| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/hypervisor.c:120:13: warning[deadcode.DeadStores]: Value stored to 'l2' is never read
# 118| {
# 119| l2i = __ffs(l2);
# 120|-> l2 &= ~(1UL << l2i);
# 121|
# 122| port = (l1i * (sizeof(unsigned long) * 8)) + l2i;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:46: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/include/errno.h:116: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/include/sched.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/include/x86/arch_sched.h:15:42: warning[core.UndefinedBinaryOperatorResult]: The left operand of '&' is a garbage value
# 13| register unsigned long sp asm("rsp");
# 14| #endif
# 15|-> current = (void *)(unsigned long)(sp & ~(__STACK_SIZE-1));
# 16| return *current;
# 17| }
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/extras/mini-os/kernel.c:68: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 66|
# 67| for (j=0; j<32; j++)
# 68|-> xen_features[i*32+j] = !!(fi.submap & 1<<j);
# 69| }
# 70| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/kernel.c:68:49: warning[core.UndefinedBinaryOperatorResult]: The left operand of '&' is a garbage value
# 66|
# 67| for (j=0; j<32; j++)
# 68|-> xen_features[i*32+j] = !!(fi.submap & 1<<j);
# 69| }
# 70| }
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/lib/math.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-369):
xen-4.18.1-build/xen-4.18.1/extras/mini-os/lib/math.c:163: error[zerodiv]: Division by zero.
# 161| static volatile const unsigned int zero = 0;
# 162|
# 163|-> tmp.ul[H] = tmp.ul[L] = 1 / zero;
# 164| if (arq)
# 165| *arq = uq;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/lib/math.c:163:29: warning[core.DivideZero]: Division by zero
# 161| static volatile const unsigned int zero = 0;
# 162|
# 163|-> tmp.ul[H] = tmp.ul[L] = 1 / zero;
# 164| if (arq)
# 165| *arq = uq;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/lib/sys.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/extras/mini-os/lib/sys.c: scope_hint: In function ‘opendir’
xen-4.18.1-build/xen-4.18.1/extras/mini-os/lib/sys.c:558:15: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘ret’
# 556| DIR *ret;
# 557| ret = malloc(sizeof(*ret));
# 558|-> ret->name = strdup(name);
# 559| ret->offset = 0;
# 560| ret->entries = NULL;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/extras/mini-os/lib/sys.c: scope_hint: In function ‘sparse’
xen-4.18.1-build/xen-4.18.1/extras/mini-os/lib/sys.c:1368:17: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘mfns’
xen-4.18.1-build/xen-4.18.1/extras/mini-os/include/mm.h:41: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/include/x86/x86_64/hypercall-x86_64.h:39: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/include/hypervisor.h:20: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/include/x86/os.h:16: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/extras/mini-os/lib/sys.c:22: included_from: Included from here.
# 1366| }
# 1367| #endif
# 1368|-> mfns[i] = virtual_to_mfn(data + i * PAGE_SIZE);
# 1369| }
# 1370|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/lib/sys.c:1375:5: warning[unix.Malloc]: Potential leak of memory pointed to by 'mfns'
# 1373| munmap((void *) data, size);
# 1374| free_physical_pages(mfns, n);
# 1375|-> do_map_zero(data, n);
# 1376| }
# 1377|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/main.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-570):
xen-4.18.1-build/xen-4.18.1/extras/mini-os/main.c:68: error[subtractPointers]: Subtracting pointers that point to different objects
# 66|
# 67| #ifdef CONFIG_SPARSE_BSS
# 68|-> sparse((unsigned long) &__app_bss_start, &__app_bss_end - &__app_bss_start);
# 69| #endif
# 70| #if defined(HAVE_LWIP) && defined(CONFIG_START_NETWORK) && defined(CONFIG_NETFRONT)
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/mm.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/sched.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/extras/mini-os/sched.c:172:17: warning[core.UndefinedBinaryOperatorResult]: The left operand of '&' is a garbage value
# 170| register unsigned long sp asm ("esp");
# 171| #endif
# 172|-> if ((sp & (STACK_SIZE-1)) < STACK_SIZE / 16) {
# 173| static int overflowing;
# 174| if (!overflowing) {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/libgloss/libnosys/_exit.c:14:3: warning[deadcode.DeadStores]: Value stored to 'x' is never read
# 12| /* Default stub just causes a divide by 0 exception. */
# 13| int x = rc / INT_MAX;
# 14|-> x = 4 / x;
# 15|
# 16| /* Convince GCC that this function never returns. */
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c:1049:10: warning[core.uninitialized.ArraySubscript]: Array subscript is undefined
# 1047| int length = 0;
# 1048|
# 1049|-> while (isspace(*string) || *string == '-') {
# 1050| if (*string == '-')
# 1051| {
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c: scope_hint: In function ‘newentry’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c:1170:15: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘new’
# 1168| {
# 1169| dict_type *new = (dict_type *)malloc(sizeof(dict_type));
# 1170|-> new->word = word;
# 1171| new->next = root;
# 1172| root = new;
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c: scope_hint: In function ‘add_to_definition’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c:1186:21: warning[-Wanalyzer-malloc-leak]: leak of ‘<unknown>’
# 1184| {
# 1185| entry->code_length += 2;
# 1186|-> entry->code =
# 1187| (stinst_type *) realloc((char *)(entry->code),
# 1188| entry->code_length *sizeof(word_type));
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c:1187:19: warning[unix.MallocSizeof]: Result of 'realloc' is converted to a pointer of type 'stinst_type', which is incompatible with sizeof operand type 'word_type'
# 1185| entry->code_length += 2;
# 1186| entry->code =
# 1187|-> (stinst_type *) realloc((char *)(entry->code),
# 1188| entry->code_length *sizeof(word_type));
# 1189| }
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c:1190:34: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘*entry.code + (long unsigned int)*entry.code_end * 8’
# 1188| entry->code_length *sizeof(word_type));
# 1189| }
# 1190|-> entry->code[entry->code_end] = word;
# 1191|
# 1192| return entry->code_end++;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c:1232:10: warning[deadcode.DeadStores]: Value stored to 'jptr' during its initialization is never read
# 1230| {
# 1231| int jstack[STACK];
# 1232|-> int *jptr = jstack;
# 1233| /* add words to the dictionary */
# 1234| char *word;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c:1298:1: warning[unix.Malloc]: Potential leak of memory pointed to by 'word'
# 1296| }
# 1297|
# 1298|-> }
# 1299|
# 1300|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c:1391:11: warning[unix.Malloc]: Potential leak of memory pointed to by 'buffer.ptr'
# 1389| read_in(&buffer, stdin);
# 1390| remove_noncomments(&buffer, ptr);
# 1391|-> for (i= 1; i < ac; i++)
# 1392| {
# 1393| if (av[i][0] == '-')
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c:1391:11: warning[unix.Malloc]: Potential leak of memory pointed to by 'pptr.ptr'
# 1389| read_in(&buffer, stdin);
# 1390| remove_noncomments(&buffer, ptr);
# 1391|-> for (i= 1; i < ac; i++)
# 1392| {
# 1393| if (av[i][0] == '-')
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c:1404:5: warning[unix.Malloc]: Potential leak of memory pointed to by 'b.ptr'
# 1402| if (!f)
# 1403| {
# 1404|-> fprintf(stderr,"Can't open the input file %s\n",av[i+1]);
# 1405| return 33;
# 1406| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c:1405:5: warning[core.StackAddressEscape]: Address of stack memory associated with local variable 'pptr' is still referred to by the global variable 'ptr' upon returning to the caller. This will be a dangling reference
# 1403| {
# 1404| fprintf(stderr,"Can't open the input file %s\n",av[i+1]);
# 1405|-> return 33;
# 1406| }
# 1407|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/doc/makedoc.c:1421:5: warning[core.StackAddressEscape]: Address of stack memory associated with local variable 'pptr' is still referred to by the global variable 'ptr' upon returning to the caller. This will be a dangling reference
# 1419| }
# 1420| write_buffer(stack+0);
# 1421|-> return 0;
# 1422| }
# 1423|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/argz_create_sep.c:50:12: warning[unix.Malloc]: Potential leak of memory pointed to by 'token'
# 48|
# 49| if(!(*argz = (char *)malloc(*argz_len)))
# 50|-> return ENOMEM;
# 51|
# 52| free(old_running);
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/argz_create_sep.c: scope_hint: In function ‘argz_create_sep’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/argz_create_sep.c:68:1: warning[-Wanalyzer-malloc-leak]: leak of ‘running’
# 66| free(old_running);
# 67| return 0;
# 68|-> }
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/argz_replace.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/argz_replace.c: scope_hint: In function ‘argz_replace’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/argz_replace.c:61:15: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL ‘new_argz_iter’ where non-null expected
<built-in>: note: argument 1 of ‘__builtin_memcpy’ must be non-null
# 59| /* copy everything up to, but not including str, from old argz to
# 60| new argz. */
# 61|-> memcpy(new_argz_iter, last_iter, buf_iter - last_iter - str_len);
# 62| new_argz_iter += (buf_iter - last_iter - str_len);
# 63| /* copy replacement string. */
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/argz_replace.c:70:7: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL ‘new_argz_iter’ where non-null expected
<built-in>: note: argument 1 of ‘__builtin_memcpy’ must be non-null
# 68| }
# 69| /* copy everything after last occurrence of str. */
# 70|-> memcpy(new_argz_iter, last_iter, *argz + *argz_len - last_iter);
# 71|
# 72| /* reallocate argz, and copy over the new value. */
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/argz_replace.c:73:9: warning[-Wanalyzer-malloc-leak]: leak of ‘new_argz_iter’
# 71|
# 72| /* reallocate argz, and copy over the new value. */
# 73|-> if(!(*argz = (char *)realloc(*argz, new_argz_len)))
# 74| return ENOMEM;
# 75|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/argz_replace.c:74:16: warning[unix.Malloc]: Potential leak of memory pointed to by 'new_argz_iter'
# 72| /* reallocate argz, and copy over the new value. */
# 73| if(!(*argz = (char *)realloc(*argz, new_argz_len)))
# 74|-> return ENOMEM;
# 75|
# 76| memcpy(*argz, new_argz, new_argz_len);
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/envz_merge.c: scope_hint: In function ‘envz_merge’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/envz_merge.c:33:23: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL ‘name_str’ where non-null expected
<built-in>: note: argument 1 of ‘__builtin_strchr’ must be non-null
# 31| {
# 32| name_str = strdup (entry);
# 33|-> name_iter = strchr(name_str, '=');
# 34| if(name_iter)
# 35| *name_iter = '\0';
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/envz_merge.c:45:22: warning[-Wanalyzer-malloc-leak]: leak of ‘name_str’
# 43| else
# 44| {
# 45|-> name_str = strdup (entry);
# 46| name_iter = strchr(name_str, '=');
# 47| if(name_iter)
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/envz_merge.c:46:23: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL ‘name_str’ where non-null expected
<built-in>: note: argument 1 of ‘__builtin_strchr’ must be non-null
# 44| {
# 45| name_str = strdup (entry);
# 46|-> name_iter = strchr(name_str, '=');
# 47| if(name_iter)
# 48| {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/argz/envz_merge.c:60:10: warning[unix.Malloc]: Potential leak of memory pointed to by 'name_str'
# 58| }
# 59| }
# 60|-> return retval;
# 61| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/ctype/iswalpha.c:75:7: warning[deadcode.DeadStores]: Value stored to 'unicode' is never read
# 73| if (__lc_ctype[0] == 'C' && __lc_ctype[1] == '\0')
# 74| {
# 75|-> unicode = 0;
# 76| /* fall-through */
# 77| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/ctype/iswblank.c:71:7: warning[deadcode.DeadStores]: Value stored to 'unicode' is never read
# 69| if (__lc_ctype[0] == 'C' && __lc_ctype[1] == '\0')
# 70| {
# 71|-> unicode = 0;
# 72| /* fall-through */
# 73| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/ctype/iswcntrl.c:71:7: warning[deadcode.DeadStores]: Value stored to 'unicode' is never read
# 69| if (__lc_ctype[0] == 'C' && __lc_ctype[1] == '\0')
# 70| {
# 71|-> unicode = 0;
# 72| /* fall-through */
# 73| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/ctype/iswprint.c:75:7: warning[deadcode.DeadStores]: Value stored to 'unicode' is never read
# 73| if (__lc_ctype[0] == 'C' && __lc_ctype[1] == '\0')
# 74| {
# 75|-> unicode = 0;
# 76| /* fall-through */
# 77| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/ctype/iswpunct.c:75:7: warning[deadcode.DeadStores]: Value stored to 'unicode' is never read
# 73| if (__lc_ctype[0] == 'C' && __lc_ctype[1] == '\0')
# 74| {
# 75|-> unicode = 0;
# 76| /* fall-through */
# 77| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/ctype/iswspace.c:71:7: warning[deadcode.DeadStores]: Value stored to 'unicode' is never read
# 69| if (__lc_ctype[0] == 'C' && __lc_ctype[1] == '\0')
# 70| {
# 71|-> unicode = 0;
# 72| /* fall-through */
# 73| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/ctype/towlower.c:76:7: warning[deadcode.DeadStores]: Value stored to 'unicode' is never read
# 74| if (__lc_ctype[0] == 'C' && __lc_ctype[1] == '\0')
# 75| {
# 76|-> unicode = 0;
# 77| /* fall-through */
# 78| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/ctype/towupper.c:76:7: warning[deadcode.DeadStores]: Value stored to 'unicode' is never read
# 74| if (__lc_ctype[0] == 'C' && __lc_ctype[1] == '\0')
# 75| {
# 76|-> unicode = 0;
# 77| /* fall-through */
# 78| }
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/errno/errno.c:11:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 11 | __errno ()
# | ^~~~~~~
# 9|
# 10| int *
# 11|-> __errno ()
# 12| {
# 13| return &_REENT->_errno;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/locale/fix_grouping.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/locale/ldpart.c:149:2: warning[deadcode.DeadStores]: Value stored to 'locale_buf' is never read
# 147| * Record the successful parse in the cache.
# 148| */
# 149|-> locale_buf = lbuf;
# 150|
# 151| *using_locale = 1;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/locale/ldpart.c:155:2: warning[deadcode.DeadStores]: Value stored to 'locale_buf' is never read
# 153|
# 154| reset_locale:
# 155|-> locale_buf = locale_buf_C;
# 156| save_using_locale = 0;
# 157| bad_lbuf:
Error: GCC_ANALYZER_WARNING (CWE-1341):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/locale/ldpart.c: scope_hint: In function ‘__part_load_locale’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/locale/ldpart.c:160:15: warning[-Wanalyzer-fd-double-close]: double ‘close’ of file descriptor ‘fd’
# 158| free(lbuf);
# 159| bad_locale:
# 160|-> (void)close(fd);
# 161| no_locale:
# 162| *using_locale = save_using_locale;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/locale/ldpart.c: scope_hint: In function ‘split_lines’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/locale/ldpart.c:173:22: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘p’
# 171| for (i = 0; p < plim; i++) {
# 172| p = strchr(p, '\n');
# 173|-> *p++ = '\0';
# 174| }
# 175| return i;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/locale/nl_langinfo.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/misc/__dprintf.c:22:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 22 | static long get_number ();
# | ^~~~~~
# 20| #endif
# 21|
# 22|-> static long get_number ();
# 23| static void print_number ();
# 24| static void write_char ();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/misc/__dprintf.c:23:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 23 | static void print_number ();
# | ^~~~~~
# 21|
# 22| static long get_number ();
# 23|-> static void print_number ();
# 24| static void write_char ();
# 25| static void write_string ();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/misc/__dprintf.c:24:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 24 | static void write_char ();
# | ^~~~~~
# 22| static long get_number ();
# 23| static void print_number ();
# 24|-> static void write_char ();
# 25| static void write_string ();
# 26|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/misc/__dprintf.c:25:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 25 | static void write_string ();
# | ^~~~~~
# 23| static void print_number ();
# 24| static void write_char ();
# 25|-> static void write_string ();
# 26|
# 27| /* Non-zero for big-endian systems. */
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/misc/__dprintf.c:179:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 179 | get_number (s, size, unsigned_p)
# | ^~~~~~~~~~
# 177|
# 178| static long
# 179|-> get_number (s, size, unsigned_p)
# 180| char *s;
# 181| long size;
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/misc/__dprintf.c:222:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 222 | print_number (base, unsigned_p, n)
# | ^~~~~~~~~~~~
# 220|
# 221| static void
# 222|-> print_number (base, unsigned_p, n)
# 223| int base;
# 224| int unsigned_p;
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/misc/__dprintf.c:256:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 256 | write_char (c)
# | ^~~~~~~~~~
# 254|
# 255| static void
# 256|-> write_char (c)
# 257| char c;
# 258| {
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/misc/__dprintf.c:267:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 267 | write_string (s)
# | ^~~~~~~~~~~~
# 265|
# 266| static void
# 267|-> write_string (s)
# 268| char *s;
# 269| {
Error: CPPCHECK_WARNING (CWE-570):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/misc/init.c:36: error[subtractPointers]: Subtracting pointers that point to different objects
# 34| size_t i;
# 35|
# 36|-> count = __preinit_array_end - __preinit_array_start;
# 37| for (i = 0; i < count; i++)
# 38| __preinit_array_start[i] ();
Error: CPPCHECK_WARNING (CWE-570):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/misc/init.c:42: error[subtractPointers]: Subtracting pointers that point to different objects
# 40| _init ();
# 41|
# 42|-> count = __init_array_end - __init_array_start;
# 43| for (i = 0; i < count; i++)
# 44| __init_array_start[i] ();
Error: CPPCHECK_WARNING (CWE-570):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/misc/init.c:54: error[subtractPointers]: Subtracting pointers that point to different objects
# 52| size_t i;
# 53|
# 54|-> count = __fini_array_end - __fini_array_start;
# 55| for (i = 0; i < count; i++)
# 56| __fini_array_start[i] ();
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:106:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 106 | __hash_open(file, flags, mode, info, dflags)
# | ^~~~~~~~~~~
# 104|
# 105| extern DB *
# 106|-> __hash_open(file, flags, mode, info, dflags)
# 107| const char *file;
# 108| int flags, mode, dflags;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:533:2: warning[deadcode.DeadStores]: Value stored to 'whdrp' is never read
# 531|
# 532| fp = hashp->fp;
# 533|-> whdrp = &hashp->hdr;
# 534| #if (BYTE_ORDER == LITTLE_ENDIAN)
# 535| whdrp = &whdr;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:685:6: warning[deadcode.DeadStores]: Value stored to 'ndx' is never read
# 683| if (!(pageno =
# 684| __find_last_page(hashp, &bufp))) {
# 685|-> ndx = 0;
# 686| rbufp = bufp;
# 687| break; /* FOR */
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c: scope_hint: In function ‘hash_seq’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:814:24: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘bp’
# 812| hashp->cndx = 1;
# 813| }
# 814|-> if (!bp[0]) {
# 815| hashp->cpage = NULL;
# 816| ++hashp->cbucket;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:872:16: warning[unix.MallocSizeof]: Result of 'calloc' is converted to a pointer of type 'BUFHEAD *', which is incompatible with sizeof operand type 'SEGMENT'
# 870| }
# 871| if ((hashp->dir[new_segnum] =
# 872|-> (SEGMENT)calloc(hashp->SGSIZE, sizeof(SEGMENT))) == NULL)
# 873| return (-1);
# 874| hashp->exsegs++;
Error: GCC_ANALYZER_WARNING (CWE-131):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c: scope_hint: In function ‘hash_realloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:912:24: warning[-Wanalyzer-allocation-size]: allocated buffer size is not a multiple of the pointee's size
# 910| memset((char *)p + oldsize, 0, newsize - oldsize);
# 911| free(*p_ptr);
# 912|-> *p_ptr = p;
# 913| }
# 914| return (p);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:948:17: warning[unix.MallocSizeof]: Result of 'calloc' is converted to a pointer of type 'SEGMENT', which is incompatible with sizeof operand type 'SEGMENT *'
# 946|
# 947| if ((hashp->dir =
# 948|-> (SEGMENT *)calloc(hashp->DSIZE, sizeof(SEGMENT *))) == NULL) {
# 949| save_errno = errno;
# 950| (void)hdestroy(hashp);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:956:15: warning[unix.MallocSizeof]: Result of 'calloc' is converted to a pointer of type 'BUFHEAD *', which is incompatible with sizeof operand type 'SEGMENT'
# 954| /* Allocate segments */
# 955| if ((store =
# 956|-> (SEGMENT)calloc(nsegs << hashp->SSHIFT, sizeof(SEGMENT))) == NULL) {
# 957| save_errno = errno;
# 958| (void)hdestroy(hashp);
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c: scope_hint: In function ‘alloc_segs’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:962:23: warning[-Wanalyzer-malloc-leak]: leak of ‘store’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:57: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:956:45: note: in expansion of macro ‘SSHIFT’
# 960| return (-1);
# 961| }
# 962|-> for (i = 0; i < nsegs; i++, hashp->nsegs++)
# 963| hashp->dir[i] = &store[i << hashp->SSHIFT];
# 964| return (0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.c:964:10: warning[unix.Malloc]: Potential leak of memory pointed to by 'store'
# 962| for (i = 0; i < nsegs; i++, hashp->nsegs++)
# 963| hashp->dir[i] = &store[i << hashp->SSHIFT];
# 964|-> return (0);
# 965| }
# 966|
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c:73: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c: scope_hint: In function ‘overflow_page’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.h:171:29: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘freep’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c:769:17: note: in expansion of macro ‘SETBIT’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c:727:33: note: in expansion of macro ‘BSIZE’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c:769:17: note: in expansion of macro ‘SETBIT’
# 169| /* Given the address of the beginning of a big map, clear/set the nth bit */
# 170| #define CLRBIT(A, N) ((A)[(N)/BITS_PER_MAP] &= ~(1<<((N)%BITS_PER_MAP)))
# 171|-> #define SETBIT(A, N) ((A)[(N)/BITS_PER_MAP] |= (1<<((N)%BITS_PER_MAP)))
# 172| #define ISSET(A, N) ((A)[(N)/BITS_PER_MAP] & (1<<((N)%BITS_PER_MAP)))
# 173|
Error: COMPILER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash.h:171:29: warning[-Wmaybe-uninitialized]: ‘freep’ may be used uninitialized
# 171 | #define SETBIT(A, N) ((A)[(N)/BITS_PER_MAP] |= (1<<((N)%BITS_PER_MAP)))
# | ~~~^~~~~~~~~~~~~~~~~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c:769:17: note: in expansion of macro ‘SETBIT’
# 769 | SETBIT(freep, free_bit);
# | ^~~~~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c: scope_hint: In function ‘__add_ovflpage’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c:670:21: note: ‘freep’ was declared here
# 670 | __uint32_t *freep;
# | ^~~~~
# 169| /* Given the address of the beginning of a big map, clear/set the nth bit */
# 170| #define CLRBIT(A, N) ((A)[(N)/BITS_PER_MAP] &= ~(1<<((N)%BITS_PER_MAP)))
# 171|-> #define SETBIT(A, N) ((A)[(N)/BITS_PER_MAP] |= (1<<((N)%BITS_PER_MAP)))
# 172| #define ISSET(A, N) ((A)[(N)/BITS_PER_MAP] & (1<<((N)%BITS_PER_MAP)))
# 173|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_bigkey.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-691):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_bigkey.c: scope_hint: In function ‘__big_insert’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_bigkey.c:126:20: warning[-Wdangling-else]: suggest explicit braces to avoid ambiguous ‘else’
# 126 | if (!key_size)
# | ^
# 124| return (-1);
# 125| n = p[0];
# 126|-> if (!key_size)
# 127| if (FREESPACE(p)) {
# 128| move_bytes = MIN(FREESPACE(p), val_size);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_bigkey.c:200:2: warning[deadcode.DeadStores]: Value stored to 'pageno' is never read
# 198| last_bfp = NULL;
# 199| bp = (__uint16_t *)bufp->page;
# 200|-> pageno = 0;
# 201| key_done = 0;
# 202|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_bigkey.c:406:4: warning[deadcode.DeadStores]: Value stored to 'bp' is never read
# 404| if (!bufp)
# 405| return (-1);
# 406|-> bp = (__uint16_t *)bufp->page;
# 407| } else {
# 408| /* The data is all on one page. */
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_buf.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_buf.c: scope_hint: In function ‘__get_buf’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_buf.c:153:29: warning[-Wmaybe-uninitialized]: ‘segment_ndx’ may be used uninitialized
# 153 | segp[segment_ndx] =
# | ^
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_buf.c:122:22: note: ‘segment_ndx’ was declared here
# 122 | int is_disk, segment_ndx;
# | ^~~~~~~~~~~
# 151| return (NULL);
# 152| if (!prev_bp)
# 153|-> segp[segment_ndx] =
# 154| (BUFHEAD *)((ptrdiff_t)bp | is_disk_mask);
# 155| } else {
Error: COMPILER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_buf.c:153:29: warning[-Wmaybe-uninitialized]: ‘segp’ may be used uninitialized
# 153 | segp[segment_ndx] =
# | ^
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_buf.c:123:17: note: ‘segp’ was declared here
# 123 | SEGMENT segp;
# | ^~~~
# 151| return (NULL);
# 152| if (!prev_bp)
# 153|-> segp[segment_ndx] =
# 154| (BUFHEAD *)((ptrdiff_t)bp | is_disk_mask);
# 155| } else {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_buf.c:335:7: warning[unix.Malloc]: Use of memory after it is freed
# 333| for (bp = LRU; bp != &hashp->bufhead;) {
# 334| /* Check that the buffer is valid */
# 335|-> if (bp->addr || IS_BUCKET(bp->flags)) {
# 336| if (to_disk && (bp->flags & BUF_MOD) &&
# 337| __put_page(hashp, bp->page,
Error: COMPILER_WARNING (CWE-1164):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_func.c:69:1: warning[-Wunused-function]: ‘hash1’ defined but not used
# 69 | hash1(keyarg, len)
# | ^~~~~
# 67|
# 68| static __uint32_t
# 69|-> hash1(keyarg, len)
# 70| const void *keyarg;
# 71| size_t len;
Error: COMPILER_WARNING (CWE-1164):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_func.c:89:1: warning[-Wunused-function]: ‘hash2’ defined but not used
# 89 | hash2(keyarg, len)
# | ^~~~~
# 87|
# 88| static __uint32_t
# 89|-> hash2(keyarg, len)
# 90| const void *keyarg;
# 91| size_t len;
Error: COMPILER_WARNING (CWE-1164):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_func.c:118:1: warning[-Wunused-function]: ‘hash3’ defined but not used
# 118 | hash3(keyarg, len)
# | ^~~~~
# 116| */
# 117| static __uint32_t
# 118|-> hash3(keyarg, len)
# 119| const void *keyarg;
# 120| size_t len;
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_log2.c:47:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 47 | __log2(num)
# | ^~~~~~
# 45|
# 46| __uint32_t
# 47|-> __log2(num)
# 48| __uint32_t num;
# 49| {
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c:340:4: warning[deadcode.DeadStores]: Value stored to 'n' is never read
# 338|
# 339| ino = (__uint16_t *)bufp->page;
# 340|-> n = 1;
# 341| scopyto = hashp->BSIZE;
# 342| moved = 0;
Error: GCC_ANALYZER_WARNING (CWE-131):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c: scope_hint: In function ‘__ibitmap’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c:636:33: warning[-Wanalyzer-allocation-size]: allocated buffer size is not a multiple of the pointee's size
# 634| int clearbytes, clearints;
# 635|
# 636|-> if ((ip = (__uint32_t *)malloc(hashp->BSIZE)) == NULL)
# 637| return (1);
# 638| hashp->nmaps++;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c:769:3: warning[core.NullDereference]: Array access (from variable 'freep') results in an undefined pointer dereference
# 767| */
# 768| free_bit++;
# 769|-> SETBIT(freep, free_bit);
# 770| }
# 771|
Error: GCC_ANALYZER_WARNING (CWE-131):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c: scope_hint: In function ‘fetch_bitmap’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c:918:31: warning[-Wanalyzer-allocation-size]: allocated buffer size is not a multiple of the pointee's size
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hash_page.c:918:61: note: in expansion of macro ‘BSIZE’
# 916| if (ndx >= hashp->nmaps)
# 917| return (NULL);
# 918|-> if ((hashp->mapp[ndx] = (__uint32_t *)malloc(hashp->BSIZE)) == NULL)
# 919| return (NULL);
# 920| if (__get_page(hashp,
Error: COMPILER_WARNING (CWE-563):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hcreate_r.c:126:32: warning[-Wunused-variable]: unused variable ‘ie’
# 126 | struct internal_entry *ie;
# | ^~
# 124| hdestroy_r(struct hsearch_data *htab)
# 125| {
# 126|-> struct internal_entry *ie;
# 127| size_t idx;
# 128|
Error: COMPILER_WARNING (CWE-563):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hcreate_r.c: scope_hint: In function ‘hdestroy_r’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/hcreate_r.c:127:16: warning[-Wunused-variable]: unused variable ‘idx’
# 127 | size_t idx;
# | ^~~
# 125| {
# 126| struct internal_entry *ie;
# 127|-> size_t idx;
# 128|
# 129| if (htab->htable == NULL)
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/qsort.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/qsort.c:84:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 84 | static inline char *med3 _PARAMS((char *, char *, char *, int (*)()));
# | ^~~~~~
# 82| #endif
# 83|
# 84|-> static inline char *med3 _PARAMS((char *, char *, char *, int (*)()));
# 85| static inline void swapfunc _PARAMS((char *, char *, int, int));
# 86|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/qsort.c:130:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 130 | _DEFUN(med3, (a, b, c, cmp),
# | ^~~~~~
# 128|
# 129| static inline char *
# 130|-> _DEFUN(med3, (a, b, c, cmp),
# 131| char *a _AND
# 132| char *b _AND
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/qsort.c:142:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 142 | _DEFUN(qsort, (a, n, es, cmp),
# | ^~~~~~
# 140|
# 141| void
# 142|-> _DEFUN(qsort, (a, n, es, cmp),
# 143| void *a _AND
# 144| size_t n _AND
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/tdelete.c:66:2: warning[unix.Malloc]: Use of memory after it is freed
# 64| free(*rootp); /* D4: Free node */
# 65| *rootp = q; /* link parent to new node */
# 66|-> return p;
# 67| }
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/search/tdestroy.c:29:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 29 | trecurse(root, free_action)
# | ^~~~~~~~
# 27| /* Walk the nodes of a tree */
# 28| static void
# 29|-> trecurse(root, free_action)
# 30| node_t *root; /* Root of the tree to be walked */
# 31| void (*free_action)(void *);
Error: COMPILER_WARNING (CWE-681):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/asiprintf.c: scope_hint: In function ‘_asiprintf_r’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/asiprintf.c:48:13: warning[-Wpointer-sign]: pointer targets in assignment from ‘unsigned char *’ to ‘char *’ differ in signedness
# 48 | *strp = f._bf._base;
# | ^
# 46| {
# 47| *f._p = 0;
# 48|-> *strp = f._bf._base;
# 49| }
# 50| return (ret);
Error: COMPILER_WARNING (CWE-681):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/asiprintf.c: scope_hint: In function ‘asiprintf’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/asiprintf.c:75:13: warning[-Wpointer-sign]: pointer targets in assignment from ‘unsigned char *’ to ‘char *’ differ in signedness
# 75 | *strp = f._bf._base;
# | ^
# 73| {
# 74| *f._p = 0;
# 75|-> *strp = f._bf._base;
# 76| }
# 77| return (ret);
Error: COMPILER_WARNING (CWE-681):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/asprintf.c: scope_hint: In function ‘_asprintf_r’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/asprintf.c:48:13: warning[-Wpointer-sign]: pointer targets in assignment from ‘unsigned char *’ to ‘char *’ differ in signedness
# 48 | *strp = f._bf._base;
# | ^
# 46| {
# 47| *f._p = 0;
# 48|-> *strp = f._bf._base;
# 49| }
# 50| return (ret);
Error: COMPILER_WARNING (CWE-681):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/asprintf.c: scope_hint: In function ‘asprintf’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/asprintf.c:75:13: warning[-Wpointer-sign]: pointer targets in assignment from ‘unsigned char *’ to ‘char *’ differ in signedness
# 75 | *strp = f._bf._base;
# | ^
# 73| {
# 74| *f._p = 0;
# 75|-> *strp = f._bf._base;
# 76| }
# 77| return (ret);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/fclose.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/fmemopen.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/fmemopen.c: scope_hint: In function ‘_fmemopen_r’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/fmemopen.c:313:21: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
# 311| /* r+/w+/a+, and no buf: file starts empty. */
# 312| c->buf = (char *) (c + 1);
# 313|-> *(char *) buf = '\0';
# 314| c->pos = c->eof = 0;
# 315| c->append = (flags & __SAPP) != 0;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/fmemopen.c:313:21: warning[core.NullDereference]: Dereference of null pointer
# 311| /* r+/w+/a+, and no buf: file starts empty. */
# 312| c->buf = (char *) (c + 1);
# 313|-> *(char *) buf = '\0';
# 314| c->pos = c->eof = 0;
# 315| c->append = (flags & __SAPP) != 0;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/fread.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-681):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/fread.c: scope_hint: In function ‘_fread_r’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/fread.c:182:25: warning[-Wpointer-sign]: pointer targets in assignment from ‘char *’ to ‘unsigned char *’ differ in signedness
# 182 | fp->_bf._base = p;
# | ^
# 180| int old_size = fp->_bf._size;
# 181| /* allow __refill to use user's buffer */
# 182|-> fp->_bf._base = p;
# 183| fp->_bf._size = resid;
# 184| fp->_p = p;
Error: COMPILER_WARNING (CWE-681):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/fread.c:184:18: warning[-Wpointer-sign]: pointer targets in assignment from ‘char *’ to ‘unsigned char *’ differ in signedness
# 184 | fp->_p = p;
# | ^
# 182| fp->_bf._base = p;
# 183| fp->_bf._size = resid;
# 184|-> fp->_p = p;
# 185| rc = __srefill_r (ptr, fp);
# 186| /* restore fp buffering back to original state */
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/freopen.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/fvwrite.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/fvwrite.c:59:8: warning[deadcode.DeadStores]: Although the value stored to 'len' is used in the enclosing expression, the value is never actually read from 'len'
# 57| int nlknown, nldist;
# 58|
# 59|-> if ((len = uio->uio_resid) == 0)
# 60| return 0;
# 61|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/getdelim.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/getdelim.c:120:15: warning[deadcode.DeadStores]: Value stored to 'cont' is never read
# 118| if (buf == NULL)
# 119| {
# 120|-> cont = 0;
# 121| break;
# 122| }
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/mktemp.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/open_memstream.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-563):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/open_memstream.c: scope_hint: In function ‘_open_memstream_r’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/open_memstream.c:257:7: warning[-Wunused-variable]: unused variable ‘flags’
# 257 | int flags;
# | ^~~~~
# 255| FILE *fp;
# 256| memstream *c;
# 257|-> int flags;
# 258|
# 259| if (!buf || !size)
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/refill.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/ungetc.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-681):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vasiprintf.c: scope_hint: In function ‘_vasiprintf_r’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vasiprintf.c:60:13: warning[-Wpointer-sign]: pointer targets in assignment from ‘unsigned char *’ to ‘char *’ differ in signedness
# 60 | *strp = f._bf._base;
# | ^
# 58| {
# 59| *f._p = 0;
# 60|-> *strp = f._bf._base;
# 61| }
# 62| return ret;
Error: COMPILER_WARNING (CWE-681):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vasprintf.c: scope_hint: In function ‘_vasprintf_r’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vasprintf.c:60:13: warning[-Wpointer-sign]: pointer targets in assignment from ‘unsigned char *’ to ‘char *’ differ in signedness
# 60 | *strp = f._bf._base;
# | ^
# 58| {
# 59| *f._p = 0;
# 60|-> *strp = f._bf._base;
# 61| }
# 62| return ret;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vfprintf.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vfprintf.c:575:3: warning[deadcode.DeadStores]: Value stored to 'fmt_anchor' is never read
# 573| goto done;
# 574| #endif
# 575|-> fmt_anchor = fmt;
# 576| fmt++; /* skip over '%' */
# 577|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vfprintf.c:1025:12: warning[deadcode.DeadStores]: Although the value stored to 'ch' is used in the enclosing expression, the value is never actually read from 'ch'
# 1023| flags |= HEXPREFIX;
# 1024| ox[0] = '0';
# 1025|-> ox[1] = ch = 'x';
# 1026| goto nosign;
# 1027| case 's':
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vfprintf.c:1397:18: warning[core.UndefinedBinaryOperatorResult]: The left operand of '==' is a garbage value
# 1395| /* round to even */
# 1396| rve = bp;
# 1397|-> while (*--rve == digits[0xf]) {
# 1398| *rve = '0';
# 1399| }
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vfscanf.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vfscanf.c:229:12: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 229 | /*static*/ u_char *__sccl ();
# | ^~~~~~
# 227| #endif
# 228|
# 229|-> /*static*/ u_char *__sccl ();
# 230|
# 231| /*
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vfscanf.c: scope_hint: In function ‘__svfscanf_r’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vfscanf.c:302:3: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 302 | u_long (*ccfn) () = 0; /* conversion function (strtol/strtoul) */
# | ^~~~~~
# 300| mbstate_t state; /* value to keep track of multibyte state */
# 301|
# 302|-> u_long (*ccfn) () = 0; /* conversion function (strtol/strtoul) */
# 303| char ccltab[256]; /* character class table for %[...] */
# 304| char buf[BUF]; /* buffer for numeric conversions */
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vfscanf.c:506:11: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 506 | ccfn = (u_long (*)())_strtol_r;
# | ^~~~
# 504| case 'd':
# 505| c = CT_INT;
# 506|-> ccfn = (u_long (*)())_strtol_r;
# 507| base = 10;
# 508| break;
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vfscanf.c:512:11: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 512 | ccfn = (u_long (*)())_strtol_r;
# | ^~~~
# 510| case 'i':
# 511| c = CT_INT;
# 512|-> ccfn = (u_long (*)())_strtol_r;
# 513| base = 0;
# 514| break;
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vfscanf.c:634:11: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 634 | ccfn = (u_long (*)())_strtol_r;
# | ^~~~
# 632| flags |= LONG;
# 633| c = CT_INT;
# 634|-> ccfn = (u_long (*)())_strtol_r;
# 635| base = 10;
# 636| break;
Error: CPPCHECK_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdio/vfscanf.c:1403: error[nullPointer]: Null pointer dereference
# 1401| flp = GET_ARG (N, ap, float *);
# 1402| if (isnan (res))
# 1403|-> *flp = nanf (NULL);
# 1404| else
# 1405| *flp = res;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/__call_atexit.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-681):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/btowc.c: scope_hint: In function ‘btowc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/btowc.c:22:37: warning[-Wpointer-sign]: pointer targets in passing argument 3 of ‘_mbtowc_r’ differ in signedness
# 22 | retval = _mbtowc_r (_REENT, &pwc, &b, 1, &mbs);
# | ^~
# | |
# | unsigned char *
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/include/wchar.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/btowc.c:1: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/include/stdlib.h:91:9: note: expected ‘const char *’ but argument is of type ‘unsigned char *’
# 91 | int _EXFUN(_mbtowc_r,(struct _reent *, wchar_t *, const char *, size_t, _mbstate_t *));
# | ^~~~~~
# 20| _REENT_CHECK_MISC(_REENT);
# 21|
# 22|-> retval = _mbtowc_r (_REENT, &pwc, &b, 1, &mbs);
# 23|
# 24| if (c == EOF || retval != 1)
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/dtoa.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/ecvtbuf.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/gdtoa-gethex.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/gdtoa-hexnan.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/getenv.c: scope_hint: In function ‘getenv’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/getenv.c:89:3: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 89 | char *_findenv_r ();
# | ^~~~
# 87| {
# 88| int offset;
# 89|-> char *_findenv_r ();
# 90|
# 91| return _findenv_r (_REENT, name, &offset);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/getenv_r.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/getenv_r.c: scope_hint: In function ‘_getenv_r’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/getenv_r.c:133:3: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 133 | char *_findenv_r ();
# | ^~~~
# 131| {
# 132| int offset;
# 133|-> char *_findenv_r ();
# 134|
# 135| return _findenv_r (reent_ptr, name, &offset);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/getopt.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/getsubopt.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/ldtoa.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/ldtoa.c:722:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 722 | eiisinf (x)
# | ^~~~~~~
# 720| /* Return nonzero if internal format number is infinite. */
# 721| static int
# 722|-> eiisinf (x)
# 723| unsigned short x[];
# 724| {
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/ldtoa.c: scope_hint: In function ‘enormlz’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/ldtoa.c:2490:5: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘x[2]’
# 2488| sc = 0;
# 2489| p = &x[M];
# 2490|-> if( *p != 0 )
# 2491| goto normdn;
# 2492| ++p;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/ldtoa.c:2767:1: warning[deadcode.DeadStores]: Value stored to 's' is never read
# 2765|
# 2766| etoasc( e, outbuf, ndigits, mode, ldp );
# 2767|-> s = outbuf;
# 2768| if( eisinf(e) || eisnan(e) )
# 2769| {
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/ldtoa.c: scope_hint: In function ‘asctoeg’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/ldtoa.c:3280:20: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘sp’
# 3278| for( k=0; k<c; k++ )
# 3279| {
# 3280|-> if( (*sp++ = *s++) == '\0' )
# 3281| break;
# 3282| }
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/ldtoa.c:3329:15: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘yy[2]’
# 3327| * of the low guard word after normalization.
# 3328| */
# 3329|-> if( yy[2] == 0 )
# 3330| {
# 3331| if( decflg )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/ldtoa.c:3488:3: warning[deadcode.DeadStores]: Value stored to 'k' is never read
# 3486| emovi( etens[0], tt );
# 3487| lexp -= tt[E];
# 3488|-> k = edivm( tt, yy, ldp );
# 3489| lexp += EXONE;
# 3490| nexp -= 4096;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mallocr.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mallocr.c:1014:41: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 1014 | #define malloc_update_mallinfo __malloc_update_mallinfo
# | ^~~~~~~~~~~~~~~~~~~~~~~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mallocr.c:3412:13: note: in expansion of macro ‘malloc_update_mallinfo’
# 3412 | STATIC void malloc_update_mallinfo()
# | ^~~~~~~~~~~~~~~~~~~~~~
# 1012| #define malloc_usable_size _malloc_usable_size_r
# 1013|
# 1014|-> #define malloc_update_mallinfo __malloc_update_mallinfo
# 1015|
# 1016| #define malloc_av_ __malloc_av_
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mallocr.c:2201:2: warning[deadcode.DeadStores]: Value stored to 'correction_failed' is never read
# 2199| {
# 2200| correction = 0;
# 2201|-> correction_failed = 1;
# 2202| new_brk = brk;
# 2203| }
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mlock.c:47:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 47 | __malloc_lock (ptr)
# | ^~~~~~~~~~~~~
# 45|
# 46| void
# 47|-> __malloc_lock (ptr)
# 48| struct _reent *ptr;
# 49| {
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mlock.c:56:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 56 | __malloc_unlock (ptr)
# | ^~~~~~~~~~~~~~~
# 54|
# 55| void
# 56|-> __malloc_unlock (ptr)
# 57| struct _reent *ptr;
# 58| {
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c: scope_hint: In function ‘__multadd’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:184:15: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:83: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:418:9: note: in expansion of macro ‘pow5mult’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:87: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:426:9: note: in expansion of macro ‘multadd’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:143:9: note: in expansion of macro ‘multadd’
# 182| }
# 183| b->_x[wds++] = a;
# 184|-> b->_wds = wds;
# 185| }
# 186| return b;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c: scope_hint: In function ‘__s2b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:206:11: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:190:9: note: in expansion of macro ‘s2b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:204:7: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:93:9: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:204:7: note: in expansion of macro ‘Balloc’
# 204| b = Balloc (ptr, k);
# 205| b->_x[0] = y9;
# 206|-> b->_wds = 1;
# 207| #else
# 208| b = Balloc (ptr, k + 1);
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c: scope_hint: In function ‘__i2b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:321:11: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:315:9: note: in expansion of macro ‘i2b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:319:7: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:93:9: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:319:7: note: in expansion of macro ‘Balloc’
# 319| b = Balloc (ptr, 1);
# 320| b->_x[0] = i;
# 321|-> b->_wds = 1;
# 322| return b;
# 323| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:366:33: warning[core.NullDereference]: Dereference of null pointer (loaded from variable 'xc')
# 364| do
# 365| {
# 366|-> z = (*x & 0xffff) * y + (*xc & 0xffff) + carry;
# 367| carry = z >> 16;
# 368| z2 = (*x++ >> 16) * y + (*xc >> 16) + carry;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:380:9: warning[core.NullDereference]: Dereference of null pointer (loaded from variable 'xc')
# 378| xc = xc0;
# 379| carry = 0;
# 380|-> z2 = *xc;
# 381| do
# 382| {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:412:47: warning[core.NullDereference]: Dereference of null pointer
# 410| }
# 411| #endif
# 412|-> for (xc0 = c->_x, xc = xc0 + wc; wc > 0 && !*--xc; --wc);
# 413| c->_wds = wc;
# 414| return c;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c: scope_hint: In function ‘__multiply’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:413:11: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘c’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:326:9: note: in expansion of macro ‘mult’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:348:7: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:93:9: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:348:7: note: in expansion of macro ‘Balloc’
# 411| #endif
# 412| for (xc0 = c->_x, xc = xc0 + wc; wc > 0 && !*--xc; --wc);
# 413|-> c->_wds = wc;
# 414| return c;
# 415| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:476:11: warning[core.NullDereference]: Dereference of null pointer
# 474| x1 = b1->_x;
# 475| for (i = 0; i < n; i++)
# 476|-> *x1++ = 0;
# 477| x = b->_x;
# 478| xe = x + b->_wds;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:486:10: warning[core.NullDereference]: Dereference of null pointer
# 484| do
# 485| {
# 486|-> *x1++ = *x << k | z;
# 487| z = *x++ >> k1;
# 488| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:510:13: warning[core.NullDereference]: Dereference of null pointer
# 508| else
# 509| do
# 510|-> *x1++ = *x++;
# 511| while (x < xe);
# 512| b1->_wds = n1 - 1;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c: scope_hint: In function ‘__lshift’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:512:12: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘b1’
# 510| *x1++ = *x++;
# 511| while (x < xe);
# 512|-> b1->_wds = n1 - 1;
# 513| Bfree (ptr, b);
# 514| return b1;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c: scope_hint: In function ‘__mdiff’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:563:15: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘c’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:548:9: note: in expansion of macro ‘diff’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:562:11: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:562:11: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:93:9: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:562:11: note: in expansion of macro ‘Balloc’
# 561| {
# 562| c = Balloc (ptr, 0);
# 563|-> c->_wds = 1;
# 564| c->_x[0] = 0;
# 565| return c;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:577:12: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘c’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:548:9: note: in expansion of macro ‘diff’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:576:7: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:93:9: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:576:7: note: in expansion of macro ‘Balloc’
# 575| i = 0;
# 576| c = Balloc (ptr, a->_k);
# 577|-> c->_sign = i;
# 578| wa = a->_wds;
# 579| xa = a->_x;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c: scope_hint: In function ‘__d2b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:806:15: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:755:9: note: in expansion of macro ‘d2b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:781:7: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:93:9: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:781:7: note: in expansion of macro ‘Balloc’
# 804| if (k)
# 805| {
# 806|-> x[0] = y | z << (32 - k);
# 807| z >>= k;
# 808| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:806:15: warning[core.NullDereference]: Array access (from variable 'x') results in a null pointer dereference
# 804| if (k)
# 805| {
# 806|-> x[0] = y | z << (32 - k);
# 807| z >>= k;
# 808| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:810:7: warning[core.NullDereference]: Array access (from variable 'x') results in a null pointer dereference
# 808| }
# 809| else
# 810|-> x[0] = y;
# 811| i = b->_wds = (x[1] = z) ? 2 : 1;
# 812| }
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:810:14: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:755:9: note: in expansion of macro ‘d2b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:781:7: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:93:9: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:781:7: note: in expansion of macro ‘Balloc’
# 808| }
# 809| else
# 810|-> x[0] = y;
# 811| i = b->_wds = (x[1] = z) ? 2 : 1;
# 812| }
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:821:12: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:755:9: note: in expansion of macro ‘d2b’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:781:7: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:93:9: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:781:7: note: in expansion of macro ‘Balloc’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/mprec.c:820:11: note: in expansion of macro ‘lo0bits’
# 819| #endif
# 820| k = lo0bits (&z);
# 821|-> x[0] = z;
# 822| i = b->_wds = 1;
# 823| #ifndef _DOUBLE_IS_32BITS
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/setenv_r.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/strtod.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/strtod.c:156:9: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 154|
# 155| case STRTOG_Denormal:
# 156|-> L[_1] = bits[0];
# 157| L[_0] = bits[1];
# 158| break;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/strtod.c:162:9: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 160| case STRTOG_Normal:
# 161| case STRTOG_NaNbits:
# 162|-> L[_1] = bits[0];
# 163| L[_0] = (bits[1] & ~0x100000) | ((exp + 0x3ff + 52) << 20);
# 164| break;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/strtod.c:900:6: warning[deadcode.DeadStores]: Value stored to 'dsign' is never read
# 898| #endif /*!_DOUBLE_IS_32BITS*/
# 899| #ifdef Avoid_Underflow
# 900|-> dsign = 0;
# 901| #endif
# 902| break;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/strtod.c:962:4: warning[deadcode.DeadStores]: Value stored to 'dsign' is never read
# 960| }
# 961| #ifdef Avoid_Underflow
# 962|-> dsign = 1 - dsign;
# 963| #endif
# 964| #endif
Error: CPPCHECK_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/strtod.c:1176: error[nullPointer]: Null pointer dereference
# 1174| double retval = _strtod_r (_REENT, s00, se);
# 1175| if (isnan (retval))
# 1176|-> return nanf (NULL);
# 1177| return (float)retval;
# 1178| }
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/strtol.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/strtoll_r.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/strtoul.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/strtoull_r.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/system.c:64:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 64 | static int do_system ();
# | ^~~~~~
# 62|
# 63| #if defined (unix) || defined (__CYGWIN__)
# 64|-> static int do_system ();
# 65| #endif
# 66|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/system.c:121:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 121 | do_system (ptr, s)
# | ^~~~~~~~~
# 119|
# 120| static int
# 121|-> do_system (ptr, s)
# 122| struct _reent *ptr;
# 123| _CONST char *s;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/wcsrtombs.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/wcstol.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/wcstoll_r.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/wcstombs_r.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/wcstoul.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-686):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/wcstoull.c: scope_hint: In function ‘wcstoull’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/wcstoull.c:136:16: warning[-Wimplicit-function-declaration]: implicit declaration of function ‘_wcstoull_r’; did you mean ‘wcstoull’?
# 134| int base)
# 135| {
# 136|-> return _wcstoull_r (_REENT, s, ptr, base);
# 137| }
# 138|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/wcstoull_r.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-681):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/wctob.c: scope_hint: In function ‘wctob’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/wctob.c:19:31: warning[-Wpointer-sign]: pointer targets in passing argument 2 of ‘_wctomb_r’ differ in signedness
# 19 | retval = _wctomb_r (_REENT, &pwc, c, &mbs);
# | ^~~~
# | |
# | unsigned char *
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/include/sys/reent.h:13: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/include/reent.h:48: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/wctob.c:1: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/include/stdlib.h:93:9: note: expected ‘char *’ but argument is of type ‘unsigned char *’
# 93 | int _EXFUN(_wctomb_r,(struct _reent *, char *, wchar_t, _mbstate_t *));
# | ^~~~~~
# 17| _REENT_CHECK_MISC(_REENT);
# 18|
# 19|-> retval = _wctomb_r (_REENT, &pwc, c, &mbs);
# 20|
# 21| if (c == EOF || retval != 1)
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/stdlib/wctomb_r.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/string/memchr.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/string/memset.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/string/wcsstr.c:85:3: warning[deadcode.DeadStores]: Value stored to 'q' is never read
# 83|
# 84| p = big;
# 85|-> q = little;
# 86| while (*p)
# 87| {
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/time/mktime.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/time/mktime.c:68:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 68 | validate_structure (tim_p)
# | ^~~~~~~~~~~~~~~~~~
# 66|
# 67| static void
# 68|-> validate_structure (tim_p)
# 69| struct tm *tim_p;
# 70| {
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/time/mktm_r.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/time/strftime.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libc/time/tzset_r.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_rem_pio2.c:21: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_rem_pio2.c: scope_hint: In function ‘__ieee754_rem_pio2’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/fdlibm.h:335:14: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘z’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_rem_pio2.c:170:9: note: in expansion of macro ‘SET_LOW_WORD’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_rem_pio2.c:170:9: note: in expansion of macro ‘SET_LOW_WORD’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_rem_pio2.c:170:9: note: in expansion of macro ‘SET_LOW_WORD’
# 333| do { \
# 334| ieee_double_shape_type sl_u; \
# 335|-> sl_u.value = (d); \
# 336| sl_u.parts.lsw = (v); \
# 337| (d) = sl_u.value; \
Error: COMPILER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_rem_pio2.c:21: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_rem_pio2.c: scope_hint: In function ‘__ieee754_rem_pio2’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/fdlibm.h:335:14: warning[-Wmaybe-uninitialized]: ‘z’ may be used uninitialized
# 335 | sl_u.value = (d); \
# | ~~~~~~~~~~~^~~~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_rem_pio2.c:170:9: note: in expansion of macro ‘SET_LOW_WORD’
# 170 | SET_LOW_WORD(z,low);
# | ^~~~~~~~~~~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_rem_pio2.c:92:16: note: ‘z’ was declared here
# 92 | double z,w,t,r,fn;
# | ^
# 333| do { \
# 334| ieee_double_shape_type sl_u; \
# 335|-> sl_u.value = (d); \
# 336| sl_u.parts.lsw = (v); \
# 337| (d) = sl_u.value; \
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/s_expm1.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/s_expm1.c:188:13: warning[deadcode.DeadStores]: Value stored to 'y' is never read
# 186| GET_HIGH_WORD(hx,x);
# 187| xsb = hx&0x80000000; /* sign bit of x */
# 188|-> if(xsb==0) y=x; else y= -x; /* y = |x| */
# 189| hx &= 0x7fffffff; /* high word of |x| */
# 190|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/s_expm1.c:188:23: warning[deadcode.DeadStores]: Value stored to 'y' is never read
# 186| GET_HIGH_WORD(hx,x);
# 187| xsb = hx&0x80000000; /* sign bit of x */
# 188|-> if(xsb==0) y=x; else y= -x; /* y = |x| */
# 189| hx &= 0x7fffffff; /* high word of |x| */
# 190|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/s_log1p.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/s_lrint.c:59: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 57|
# 58| /* Extract sign bit. */
# 59|-> sx = (i0>>31)&1;
# 60|
# 61| /* Extract exponent field. */
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/s_lrint.c:75: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 73| /* Detect the all-zeros representation of plus and
# 74| minus zero, which fails the calculation below. */
# 75|-> if ((i0 & ~(1 << 31)) == 0)
# 76| return 0;
# 77| j0 = ((i0 & 0x7ff00000) >> 20) - 1023;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/s_nextafter.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/s_rint.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/s_rint.c:50: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 48| volatile double w;
# 49| EXTRACT_WORDS(i0,i1,x);
# 50|-> sx = (i0>>31)&1;
# 51| j0 = ((i0>>20)&0x7ff)-0x3ff;
# 52| if(j0<20) {
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/s_rint.c:62: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 60| t = w-TWO52[sx];
# 61| GET_HIGH_WORD(i0,t);
# 62|-> SET_HIGH_WORD(t,(i0&0x7fffffff)|(sx<<31));
# 63| return t;
# 64| } else {
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/sf_expm1.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/sf_expm1.c:53:13: warning[deadcode.DeadStores]: Value stored to 'y' is never read
# 51| GET_FLOAT_WORD(hx,x);
# 52| xsb = hx&0x80000000; /* sign bit of x */
# 53|-> if(xsb==0) y=x; else y= -x; /* y = |x| */
# 54| hx &= 0x7fffffff; /* high word of |x| */
# 55|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/sf_expm1.c:53:23: warning[deadcode.DeadStores]: Value stored to 'y' is never read
# 51| GET_FLOAT_WORD(hx,x);
# 52| xsb = hx&0x80000000; /* sign bit of x */
# 53|-> if(xsb==0) y=x; else y= -x; /* y = |x| */
# 54| hx &= 0x7fffffff; /* high word of |x| */
# 55|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/sf_expm1.c:114:6: warning[deadcode.DeadStores]: Value stored to 't' is never read
# 112| return y-one;
# 113| }
# 114|-> t = one;
# 115| if(k<23) {
# 116| __int32_t i;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/sf_log1p.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/sf_lrint.c:74: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 72| /* Detect the all-zeros representation of plus and
# 73| minus zero, which fails the calculation below. */
# 74|-> if ((i0 & ~(1 << 31)) == 0)
# 75| return 0;
# 76| j0 = ((i0 >> 23) & 0xff) - 0x7f;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/sf_nextafter.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/sf_rint.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/sf_rint.c:40: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 38| volatile float w;
# 39| GET_FLOAT_WORD(i0,x);
# 40|-> sx = (i0>>31)&1;
# 41| ix = (i0&0x7fffffff);
# 42| j0 = (ix>>23)-0x7f;
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/sf_rint.c:54: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 52| t = w-TWO23[sx];
# 53| GET_FLOAT_WORD(i0,t);
# 54|-> SET_FLOAT_WORD(t,(i0&0x7fffffff)|(sx<<31));
# 55| return t;
# 56| } else {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/common/sf_round.c:29:3: warning[deadcode.DeadStores]: Value stored to 'signbit' is never read
# 27|
# 28| /* Extract sign bit. */
# 29|-> signbit = w & 0x80000000;
# 30|
# 31| /* Extract exponent field. */
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_atan2.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-569):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_atan2.c: scope_hint: In function ‘__ieee754_atan2’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_atan2.c:76:15: warning[-Wparentheses]: suggest parentheses around arithmetic in operand of ‘|’
# 76 | if((hx-0x3ff00000|lx)==0) return atan(y); /* x=1.0 */
# | ~~^~~~~~~~~~~
# 74| ((iy|((ly|-ly)>>31))>0x7ff00000)) /* x or y is NaN */
# 75| return x+y;
# 76|-> if((hx-0x3ff00000|lx)==0) return atan(y); /* x=1.0 */
# 77| m = ((hy>>31)&1)|((hx>>30)&2); /* 2*sign(x)+sign(y) */
# 78|
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_atan2.c:77: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 75| return x+y;
# 76| if((hx-0x3ff00000|lx)==0) return atan(y); /* x=1.0 */
# 77|-> m = ((hy>>31)&1)|((hx>>30)&2); /* 2*sign(x)+sign(y) */
# 78|
# 79| /* when y = 0 */
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_atanh.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_exp.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_exp.c:152: error[legacyUninitvar]: Uninitialized variable: k
# 150| t = x*x;
# 151| c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
# 152|-> if(k==0) return one-((x*c)/(c-2.0)-x);
# 153| else y = one-((lo-(x*c)/(2.0-c))-hi);
# 154| if(k >= -1021) {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_exp.c:152:6: warning[core.UndefinedBinaryOperatorResult]: The left operand of '==' is a garbage value
# 150| t = x*x;
# 151| c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
# 152|-> if(k==0) return one-((x*c)/(c-2.0)-x);
# 153| else y = one-((lo-(x*c)/(2.0-c))-hi);
# 154| if(k >= -1021) {
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_exp.c: scope_hint: In function ‘__ieee754_exp’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_exp.c:152:11: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘k’
# 150| t = x*x;
# 151| c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
# 152|-> if(k==0) return one-((x*c)/(c-2.0)-x);
# 153| else y = one-((lo-(x*c)/(2.0-c))-hi);
# 154| if(k >= -1021) {
Error: COMPILER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_exp.c:152:11: warning[-Wmaybe-uninitialized]: ‘k’ may be used uninitialized
# 152 | if(k==0) return one-((x*c)/(c-2.0)-x);
# | ^
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_exp.c:112:19: note: ‘k’ was declared here
# 112 | __int32_t k,xsb;
# | ^
# 150| t = x*x;
# 151| c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
# 152|-> if(k==0) return one-((x*c)/(c-2.0)-x);
# 153| else y = one-((lo-(x*c)/(2.0-c))-hi);
# 154| if(k >= -1021) {
Error: COMPILER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_exp.c:153:37: warning[-Wmaybe-uninitialized]: ‘lo’ may be used uninitialized
# 153 | else y = one-((lo-(x*c)/(2.0-c))-hi);
# | ~~~^~~~~~~~~~~~~~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_exp.c:111:21: note: ‘lo’ was declared here
# 111 | double y,hi,lo,c,t;
# | ^~
# 151| c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
# 152| if(k==0) return one-((x*c)/(c-2.0)-x);
# 153|-> else y = one-((lo-(x*c)/(2.0-c))-hi);
# 154| if(k >= -1021) {
# 155| __uint32_t hy;
Error: COMPILER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_exp.c: scope_hint: In function ‘__ieee754_exp’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_exp.c:153:52: warning[-Wmaybe-uninitialized]: ‘hi’ may be used uninitialized
# 153 | else y = one-((lo-(x*c)/(2.0-c))-hi);
# | ~~~~~~~~~~~~~~~~~~~^~~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_exp.c:111:18: note: ‘hi’ was declared here
# 111 | double y,hi,lo,c,t;
# | ^~
# 151| c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
# 152| if(k==0) return one-((x*c)/(c-2.0)-x);
# 153|-> else y = one-((lo-(x*c)/(2.0-c))-hi);
# 154| if(k >= -1021) {
# 155| __uint32_t hy;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_fmod.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_hypot.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_j0.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_j1.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_jn.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_jn.c:84: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 82| if(n==0) return(__ieee754_j0(x));
# 83| if(n==1) return(__ieee754_j1(x));
# 84|-> sgn = (n&1)&(hx>>31); /* even n -- 0, odd n -- sign(x) */
# 85| x = fabs(x);
# 86| if((ix|lx)==0||ix>=0x7ff00000) /* if x is 0 or inf */
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_pow.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-691):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_pow.c: scope_hint: In function ‘__ieee754_pow’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_pow.c:122:11: warning[-Wdangling-else]: suggest explicit braces to avoid ambiguous ‘else’
# 122 | if(ix > 0x7ff00000 || ((ix==0x7ff00000)&&(lx!=0)) ||
# | ^
# 120|
# 121| /* x|y==NaN return NaN unless x==1 then return 1 */
# 122|-> if(ix > 0x7ff00000 || ((ix==0x7ff00000)&&(lx!=0)) ||
# 123| iy > 0x7ff00000 || ((iy==0x7ff00000)&&(ly!=0)))
# 124| if(((ix-0x3ff00000)|lx)==0) return one;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_rem_pio2.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_rem_pio2.c:170:2: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 168| /* set z = scalbn(|x|,ilogb(x)-23) */
# 169| GET_LOW_WORD(low,x);
# 170|-> SET_LOW_WORD(z,low);
# 171| e0 = (int)((ix>>20)-1046); /* e0 = ilogb(z)-23; */
# 172| SET_HIGH_WORD(z, ix - ((__int32_t)e0<<20));
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_remainder.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_sinh.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_sqrt.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/e_sqrt.c:128:17: warning[core.BitwiseShift]: Right shift by '32' overflows the capacity of '__uint32_t'
# 126| for(i=0;(ix0&0x00100000)==0;i++) ix0<<=1;
# 127| m -= i-1;
# 128|-> ix0 |= (ix1>>(32-i));
# 129| ix1 <<= i;
# 130| }
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_asin.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_atan2.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_atan2.c:49: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 47| return x+y;
# 48| if(hx==0x3f800000) return atanf(y); /* x=1.0 */
# 49|-> m = ((hy>>31)&1)|((hx>>30)&2); /* 2*sign(x)+sign(y) */
# 50|
# 51| /* when y = 0 */
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_atanh.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_exp.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_exp.c:54: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 52|
# 53| GET_FLOAT_WORD(sx,x);
# 54|-> xsb = (sx>>31)&1; /* sign bit of x */
# 55| hx = sx & 0x7fffffff; /* high word of |x| */
# 56|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_exp.c:87:6: warning[core.UndefinedBinaryOperatorResult]: The left operand of '==' is a garbage value
# 85| t = x*x;
# 86| c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
# 87|-> if(k==0) return one-((x*c)/(c-(float)2.0)-x);
# 88| else y = one-((lo-(x*c)/((float)2.0-c))-hi);
# 89| if(k >= -125) {
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_exp.c: scope_hint: In function ‘__ieee754_expf’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_exp.c:87:11: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘k’
# 85| t = x*x;
# 86| c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
# 87|-> if(k==0) return one-((x*c)/(c-(float)2.0)-x);
# 88| else y = one-((lo-(x*c)/((float)2.0-c))-hi);
# 89| if(k >= -125) {
Error: COMPILER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_exp.c:87:11: warning[-Wmaybe-uninitialized]: ‘k’ may be used uninitialized
# 87 | if(k==0) return one-((x*c)/(c-(float)2.0)-x);
# | ^
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_exp.c:50:19: note: ‘k’ was declared here
# 50 | __int32_t k,xsb,sx;
# | ^
# 85| t = x*x;
# 86| c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
# 87|-> if(k==0) return one-((x*c)/(c-(float)2.0)-x);
# 88| else y = one-((lo-(x*c)/((float)2.0-c))-hi);
# 89| if(k >= -125) {
Error: COMPILER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_exp.c:88:37: warning[-Wmaybe-uninitialized]: ‘lo’ may be used uninitialized
# 88 | else y = one-((lo-(x*c)/((float)2.0-c))-hi);
# | ~~~^~~~~~~~~~~~~~~~~~~~~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_exp.c:49:20: note: ‘lo’ was declared here
# 49 | float y,hi,lo,c,t;
# | ^~
# 86| c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
# 87| if(k==0) return one-((x*c)/(c-(float)2.0)-x);
# 88|-> else y = one-((lo-(x*c)/((float)2.0-c))-hi);
# 89| if(k >= -125) {
# 90| __uint32_t hy;
Error: COMPILER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_exp.c: scope_hint: In function ‘__ieee754_expf’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_exp.c:88:59: warning[-Wmaybe-uninitialized]: ‘hi’ may be used uninitialized
# 88 | else y = one-((lo-(x*c)/((float)2.0-c))-hi);
# | ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_exp.c:49:17: note: ‘hi’ was declared here
# 49 | float y,hi,lo,c,t;
# | ^~
# 86| c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5))));
# 87| if(k==0) return one-((x*c)/(c-(float)2.0)-x);
# 88|-> else y = one-((lo-(x*c)/((float)2.0-c))-hi);
# 89| if(k >= -125) {
# 90| __uint32_t hy;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_fmod.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_hypot.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_hypot.c:32:15: warning[deadcode.DeadStores]: Value stored to 'a' is never read
# 30| GET_FLOAT_WORD(hb,y);
# 31| hb &= 0x7fffffffL;
# 32|-> if(hb > ha) {a=y;b=x;j=ha; ha=hb;hb=j;} else {a=x;b=y;}
# 33| SET_FLOAT_WORD(a,ha); /* a <- |a| */
# 34| SET_FLOAT_WORD(b,hb); /* b <- |b| */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_hypot.c:32:19: warning[deadcode.DeadStores]: Value stored to 'b' is never read
# 30| GET_FLOAT_WORD(hb,y);
# 31| hb &= 0x7fffffffL;
# 32|-> if(hb > ha) {a=y;b=x;j=ha; ha=hb;hb=j;} else {a=x;b=y;}
# 33| SET_FLOAT_WORD(a,ha); /* a <- |a| */
# 34| SET_FLOAT_WORD(b,hb); /* b <- |b| */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_hypot.c:32:48: warning[deadcode.DeadStores]: Value stored to 'a' is never read
# 30| GET_FLOAT_WORD(hb,y);
# 31| hb &= 0x7fffffffL;
# 32|-> if(hb > ha) {a=y;b=x;j=ha; ha=hb;hb=j;} else {a=x;b=y;}
# 33| SET_FLOAT_WORD(a,ha); /* a <- |a| */
# 34| SET_FLOAT_WORD(b,hb); /* b <- |b| */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_hypot.c:32:52: warning[deadcode.DeadStores]: Value stored to 'b' is never read
# 30| GET_FLOAT_WORD(hb,y);
# 31| hb &= 0x7fffffffL;
# 32|-> if(hb > ha) {a=y;b=x;j=ha; ha=hb;hb=j;} else {a=x;b=y;}
# 33| SET_FLOAT_WORD(a,ha); /* a <- |a| */
# 34| SET_FLOAT_WORD(b,hb); /* b <- |b| */
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_j0.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_j1.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_jn.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_jn.c:23:1: warning[-Wunused-const-variable=]: ‘invsqrtpi’ defined but not used
# 23 | invsqrtpi= 5.6418961287e-01, /* 0x3f106ebb */
# | ^~~~~~~~~
# 21| static float
# 22| #endif
# 23|-> invsqrtpi= 5.6418961287e-01, /* 0x3f106ebb */
# 24| two = 2.0000000000e+00, /* 0x40000000 */
# 25| one = 1.0000000000e+00; /* 0x3F800000 */
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_jn.c:58: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 56| if(n==0) return(__ieee754_j0f(x));
# 57| if(n==1) return(__ieee754_j1f(x));
# 58|-> sgn = (n&1)&(hx>>31); /* even n -- 0, odd n -- sign(x) */
# 59| x = fabsf(x);
# 60| if(FLT_UWORD_IS_ZERO(ix)||FLT_UWORD_IS_INFINITE(ix))
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_pow.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-691):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_pow.c: scope_hint: In function ‘__ieee754_powf’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_pow.c:79:11: warning[-Wdangling-else]: suggest explicit braces to avoid ambiguous ‘else’
# 79 | if(FLT_UWORD_IS_NAN(ix) ||
# | ^
# 77|
# 78| /* x|y==NaN return NaN unless x==1 then return 1 */
# 79|-> if(FLT_UWORD_IS_NAN(ix) ||
# 80| FLT_UWORD_IS_NAN(iy))
# 81| if(ix==0x3f800000) return one;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_rem_pio2.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_rem_pio2.c:189:16: warning[core.UndefinedBinaryOperatorResult]: The left operand of '==' is a garbage value due to array index out of bounds
# 187| tx[2] = z;
# 188| nx = 3;
# 189|-> while(tx[nx-1]==zero) nx--; /* skip zero term */
# 190| n = __kernel_rem_pio2f(tx,y,e0,nx,2,two_over_pi);
# 191| if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;}
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_remainder.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_sinh.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_sqrt.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-563):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_sqrt.c: scope_hint: In function ‘__ieee754_sqrtf’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/ef_sqrt.c:32:25: warning[-Wunused-variable]: unused variable ‘sign’
# 32 | __int32_t sign = (__int32_t)0x80000000;
# | ^~~~
# 30| {
# 31| float z;
# 32|-> __int32_t sign = (__int32_t)0x80000000;
# 33| __uint32_t r,hx;
# 34| __int32_t ix,s,q,m,t,i;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/er_lgamma.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/er_lgamma.c:283:6: warning[deadcode.DeadStores]: Value stored to 't' is never read
# 281| else if(ix<0x40200000) { /* x < 8.0 */
# 282| i = (__int32_t)x;
# 283|-> t = zero;
# 284| y = x-(double)i;
# 285| p = y*(s0+y*(s1+y*(s2+y*(s3+y*(s4+y*(s5+y*s6))))));
Error: COMPILER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/er_lgamma.c: scope_hint: In function ‘__ieee754_lgamma_r’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/er_lgamma.c:307:20: warning[-Wmaybe-uninitialized]: ‘nadj’ may be used uninitialized
# 307 | if(hx<0) r = nadj - r;
# | ~~^~~~~~~~~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/er_lgamma.c:219:22: note: ‘nadj’ was declared here
# 219 | double t,y,z,nadj,p,p1,p2,p3,q,r,w;
# | ^~~~
# 305| /* 2**58 <= x <= inf */
# 306| r = x*(__ieee754_log(x)-one);
# 307|-> if(hx<0) r = nadj - r;
# 308| return r;
# 309| }
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/erf_lgamma.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/erf_lgamma.c:218:6: warning[deadcode.DeadStores]: Value stored to 't' is never read
# 216| else if(ix<0x41000000) { /* x < 8.0 */
# 217| i = (__int32_t)x;
# 218|-> t = zero;
# 219| y = x-(float)i;
# 220| p = y*(s0+y*(s1+y*(s2+y*(s3+y*(s4+y*(s5+y*s6))))));
Error: COMPILER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/erf_lgamma.c: scope_hint: In function ‘__ieee754_lgammaf_r’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/erf_lgamma.c:242:20: warning[-Wmaybe-uninitialized]: ‘nadj’ may be used uninitialized
# 242 | if(hx<0) r = nadj - r;
# | ~~^~~~~~~~~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/erf_lgamma.c:154:21: note: ‘nadj’ was declared here
# 154 | float t,y,z,nadj,p,p1,p2,p3,q,r,w;
# | ^~~~
# 240| /* 2**58 <= x <= inf */
# 241| r = x*(__ieee754_logf(x)-one);
# 242|-> if(hx<0) r = nadj - r;
# 243| return r;
# 244| }
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-483):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c: scope_hint: In function ‘__kernel_rem_pio2’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:190:13: warning[-Wmisleading-indentation]: this ‘for’ clause does not guard...
# 190 | for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
# | ^~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:190:61: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
# 190 | for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
# | ^
# 188| /* compute q[0],q[1],...q[jk] */
# 189| for (i=0;i<=jk;i++) {
# 190|-> for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
# 191| }
# 192|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:190:42: warning[core.UndefinedBinaryOperatorResult]: The right operand of '*' is a garbage value
# 188| /* compute q[0],q[1],...q[jk] */
# 189| for (i=0;i<=jk;i++) {
# 190|-> for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
# 191| }
# 192|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:209:20: warning[core.UndefinedBinaryOperatorResult]: The left operand of '>>' is a garbage value due to array index out of bounds
# 207| ih = 0;
# 208| if(q0>0) { /* need iq[jz-1] to determine n */
# 209|-> i = (iq[jz-1]>>(24-q0)); n += i;
# 210| iq[jz-1] -= i<<(24-q0);
# 211| ih = iq[jz-1]>>(23-q0);
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c: scope_hint: In function ‘__kernel_rem_pio2’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:209:21: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘iq[<unknown>]’
# 207| ih = 0;
# 208| if(q0>0) { /* need iq[jz-1] to determine n */
# 209|-> i = (iq[jz-1]>>(24-q0)); n += i;
# 210| iq[jz-1] -= i<<(24-q0);
# 211| ih = iq[jz-1]>>(23-q0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:213:30: warning[core.UndefinedBinaryOperatorResult]: The left operand of '>>' is a garbage value due to array index out of bounds
# 211| ih = iq[jz-1]>>(23-q0);
# 212| }
# 213|-> else if(q0==0) ih = iq[jz-1]>>23;
# 214| else if(z>=0.5) ih=2;
# 215|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:245:19: warning[core.UndefinedBinaryOperatorResult]: The left operand of '==' is a garbage value due to array index out of bounds
# 243| for (i=jz-1;i>=jk;i--) j |= iq[i];
# 244| if(j==0) { /* need recomputation */
# 245|-> for(k=1;iq[jk-k]==0;k++); /* k = no. of terms needed */
# 246|
# 247| for(i=jz+1;i<=jz+k;i++) { /* add q[jz+1] to q[jz+k] */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:260:18: warning[core.UndefinedBinaryOperatorResult]: The left operand of '==' is a garbage value due to array index out of bounds
# 258| if(z==0.0) {
# 259| jz -= 1; q0 -= 24;
# 260|-> while(iq[jz]==0) { jz--; q0-=24;}
# 261| } else { /* break z into 24-bit if necessary */
# 262| z = scalbn(z,-(int)q0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:274:15: warning[core.UndefinedBinaryOperatorResult]: The right operand of '*' is a garbage value due to array index out of bounds
# 272| fw = scalbn(one,(int)q0);
# 273| for(i=jz;i>=0;i--) {
# 274|-> q[i] = fw*(double)iq[i]; fw*=twon24;
# 275| }
# 276|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:295:13: warning[core.UndefinedBinaryOperatorResult]: The left operand of '-' is a garbage value
# 293| for (i=jz;i>=0;i--) fw += fq[i];
# 294| y[0] = (ih==0)? fw: -fw;
# 295|-> fw = fq[0]-fw;
# 296| for (i=1;i<=jz;i++) fw += fq[i];
# 297| y[1] = (ih==0)? fw: -fw;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:312:12: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 310| for (fw=0.0,i=jz;i>=2;i--) fw += fq[i];
# 311| if(ih==0) {
# 312|-> y[0] = fq[0]; y[1] = fq[1]; y[2] = fw;
# 313| } else {
# 314| y[0] = -fq[0]; y[1] = -fq[1]; y[2] = -fw;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:312:27: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 310| for (fw=0.0,i=jz;i>=2;i--) fw += fq[i];
# 311| if(ih==0) {
# 312|-> y[0] = fq[0]; y[1] = fq[1]; y[2] = fw;
# 313| } else {
# 314| y[0] = -fq[0]; y[1] = -fq[1]; y[2] = -fw;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:314:12: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 312| y[0] = fq[0]; y[1] = fq[1]; y[2] = fw;
# 313| } else {
# 314|-> y[0] = -fq[0]; y[1] = -fq[1]; y[2] = -fw;
# 315| }
# 316| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_rem_pio2.c:314:27: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 312| y[0] = fq[0]; y[1] = fq[1]; y[2] = fw;
# 313| } else {
# 314|-> y[0] = -fq[0]; y[1] = -fq[1]; y[2] = -fw;
# 315| }
# 316| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/k_standard.c:781:2: warning[core.uninitialized.UndefReturn]: Undefined or garbage value returned to caller
# 779| if (exc.err != 0)
# 780| errno = exc.err;
# 781|-> return exc.retval;
# 782| }
# 783|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-483):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c: scope_hint: In function ‘__kernel_rem_pio2f’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:80:13: warning[-Wmisleading-indentation]: this ‘for’ clause does not guard...
# 80 | for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
# | ^~~
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:80:61: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
# 80 | for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
# | ^
# 78| /* compute q[0],q[1],...q[jk] */
# 79| for (i=0;i<=jk;i++) {
# 80|-> for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
# 81| }
# 82|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:80:42: warning[core.UndefinedBinaryOperatorResult]: The right operand of '*' is a garbage value
# 78| /* compute q[0],q[1],...q[jk] */
# 79| for (i=0;i<=jk;i++) {
# 80|-> for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
# 81| }
# 82|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:99:20: warning[core.UndefinedBinaryOperatorResult]: The left operand of '>>' is a garbage value due to array index out of bounds
# 97| ih = 0;
# 98| if(q0>0) { /* need iq[jz-1] to determine n */
# 99|-> i = (iq[jz-1]>>(8-q0)); n += i;
# 100| iq[jz-1] -= i<<(8-q0);
# 101| ih = iq[jz-1]>>(7-q0);
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c: scope_hint: In function ‘__kernel_rem_pio2f’
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:99:21: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘iq[<unknown>]’
# 97| ih = 0;
# 98| if(q0>0) { /* need iq[jz-1] to determine n */
# 99|-> i = (iq[jz-1]>>(8-q0)); n += i;
# 100| iq[jz-1] -= i<<(8-q0);
# 101| ih = iq[jz-1]>>(7-q0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:103:30: warning[core.UndefinedBinaryOperatorResult]: The left operand of '>>' is a garbage value due to array index out of bounds
# 101| ih = iq[jz-1]>>(7-q0);
# 102| }
# 103|-> else if(q0==0) ih = iq[jz-1]>>8;
# 104| else if(z>=(float)0.5) ih=2;
# 105|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:135:19: warning[core.UndefinedBinaryOperatorResult]: The left operand of '==' is a garbage value due to array index out of bounds
# 133| for (i=jz-1;i>=jk;i--) j |= iq[i];
# 134| if(j==0) { /* need recomputation */
# 135|-> for(k=1;iq[jk-k]==0;k++); /* k = no. of terms needed */
# 136|
# 137| for(i=jz+1;i<=jz+k;i++) { /* add q[jz+1] to q[jz+k] */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:150:18: warning[core.UndefinedBinaryOperatorResult]: The left operand of '==' is a garbage value due to array index out of bounds
# 148| if(z==(float)0.0) {
# 149| jz -= 1; q0 -= 8;
# 150|-> while(iq[jz]==0) { jz--; q0-=8;}
# 151| } else { /* break z into 8-bit if necessary */
# 152| z = scalbnf(z,-(int)q0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:164:15: warning[core.UndefinedBinaryOperatorResult]: The right operand of '*' is a garbage value due to array index out of bounds
# 162| fw = scalbnf(one,(int)q0);
# 163| for(i=jz;i>=0;i--) {
# 164|-> q[i] = fw*(float)iq[i]; fw*=twon8;
# 165| }
# 166|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:185:13: warning[core.UndefinedBinaryOperatorResult]: The left operand of '-' is a garbage value
# 183| for (i=jz;i>=0;i--) fw += fq[i];
# 184| y[0] = (ih==0)? fw: -fw;
# 185|-> fw = fq[0]-fw;
# 186| for (i=1;i<=jz;i++) fw += fq[i];
# 187| y[1] = (ih==0)? fw: -fw;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:202:12: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 200| for (fw=0.0,i=jz;i>=2;i--) fw += fq[i];
# 201| if(ih==0) {
# 202|-> y[0] = fq[0]; y[1] = fq[1]; y[2] = fw;
# 203| } else {
# 204| y[0] = -fq[0]; y[1] = -fq[1]; y[2] = -fw;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:202:27: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 200| for (fw=0.0,i=jz;i>=2;i--) fw += fq[i];
# 201| if(ih==0) {
# 202|-> y[0] = fq[0]; y[1] = fq[1]; y[2] = fw;
# 203| } else {
# 204| y[0] = -fq[0]; y[1] = -fq[1]; y[2] = -fw;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:204:12: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 202| y[0] = fq[0]; y[1] = fq[1]; y[2] = fw;
# 203| } else {
# 204|-> y[0] = -fq[0]; y[1] = -fq[1]; y[2] = -fw;
# 205| }
# 206| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/kf_rem_pio2.c:204:27: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 202| y[0] = fq[0]; y[1] = fq[1]; y[2] = fw;
# 203| } else {
# 204|-> y[0] = -fq[0]; y[1] = -fq[1]; y[2] = -fw;
# 205| }
# 206| }
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/s_ceil.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/s_erf.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/s_floor.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/sf_cos.c:19:20: warning[-Wunused-const-variable=]: ‘one’ defined but not used
# 19 | static const float one=1.0;
# | ^~~
# 17|
# 18| #ifdef __STDC__
# 19|-> static const float one=1.0;
# 20| #else
# 21| static float one=1.0;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/sf_erf.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/w_cabs.c:16:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 16 | cabs(z)
# | ^~~~
# 14|
# 15| double
# 16|-> cabs(z)
# 17| struct complex z;
# 18| {
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/wf_cabs.c:16:1: warning[-Wstrict-prototypes]: function declaration isn’t a prototype
# 16 | cabsf(z)
# | ^~~~~
# 14|
# 15| float
# 16|-> cabsf(z)
# 17| struct complex z;
# 18| {
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/newlib-1.16.0/newlib/libm/math/wf_pow.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/access.c: scope_hint: In function ‘pci_alloc’
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/access.c:73:3: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL ‘a’ where non-null expected
<built-in>: note: argument 1 of ‘__builtin_memset’ must be non-null
# 71| int i;
# 72|
# 73|-> memset(a, 0, sizeof(*a));
# 74| pci_set_name_list_path(a, PCI_PATH_IDS_DIR "/" PCI_IDS, 0);
# 75| for(i=0; i<PCI_ACCESS_MAX; i++)
Error: GCC_ANALYZER_WARNING (CWE-404):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/access.c: scope_hint: In function ‘pci_generic_warn’
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/access.c:119:1: warning[-Wanalyzer-va-list-leak]: missing call to ‘va_end’
# 117| vfprintf(stderr, msg, args);
# 118| fputc('\n', stderr);
# 119|-> }
# 120|
# 121| static void
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/access.c:173:35: warning[core.NullDereference]: Access to field 'name' results in a dereference of a null pointer (loaded from field 'methods')
# 171| a->error("Cannot find any working access method.");
# 172| }
# 173|-> a->debug("Decided to use %s\n", a->methods->name);
# 174| a->methods->init(a);
# 175| }
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/access.c: scope_hint: In function ‘pci_alloc_dev’
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/access.c:205:3: warning[-Wanalyzer-null-argument]: use of NULL ‘d’ where non-null expected
<built-in>: note: argument 1 of ‘__builtin_memset’ must be non-null
# 203| struct pci_dev *d = pci_malloc(a, sizeof(struct pci_dev));
# 204|
# 205|-> memset(d, 0, sizeof(*d));
# 206| d->access = a;
# 207| d->methods = a->methods;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/dump.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-563):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/dump.c: scope_hint: In function ‘dump_validate’
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/dump.c:44:7: warning[-Wunused-value]: value computed is not used
# 44 | *fmt++, *s++;
# | ^~~~~~
# 42| if (*fmt == '#' ? !isxdigit(*s) : *fmt != *s)
# 43| return 0;
# 44|-> *fmt++, *s++;
# 45| }
# 46| return 1;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/dump.c: scope_hint: In function ‘dump_init’
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/dump.c:67:12: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘z’
# 65| if (!z)
# 66| a->error("dump: line too long or unterminated");
# 67|-> *z-- = 0;
# 68| if (z >= buf && *z == '\r')
# 69| *z-- = 0;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/dump.c:67:12: warning[core.NullDereference]: Dereference of null pointer
# 65| if (!z)
# 66| a->error("dump: line too long or unterminated");
# 67|-> *z-- = 0;
# 68| if (z >= buf && *z == '\r')
# 69| *z-- = 0;
Error: GCC_ANALYZER_WARNING (CWE-775):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/dump.c:110:1: warning[-Wanalyzer-file-leak]: leak of FILE ‘f’
# 108| }
# 109| }
# 110|-> }
# 111|
# 112| static void
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/filter.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/generic.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: COMPILER_WARNING (CWE-563):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/generic.c: scope_hint: In function ‘pci_generic_fill_info’
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/generic.c:134:27: warning[-Wunused-variable]: unused variable ‘size’
# 134 | u32 size;
# | ^~~~
# 132| if (flags & PCI_FILL_SIZES)
# 133| {
# 134|-> u32 size;
# 135| pci_write_long(d, PCI_BASE_ADDRESS_0 + i*4, ~0);
# 136| d->size[i] = pci_size(x, pci_read_long(d, PCI_BASE_ADDRESS_0 + i*4), PCI_BASE_ADDRESS_IO_MASK);
Error: COMPILER_WARNING (CWE-563):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/generic.c:147:31: warning[-Wunused-variable]: unused variable ‘size’
# 147 | u32 size;
# | ^~~~
# 145| if (flags & PCI_FILL_SIZES)
# 146| {
# 147|-> u32 size;
# 148| pci_write_long(d, PCI_BASE_ADDRESS_0 + i*4, ~0);
# 149| d->size[i] = pci_read_long(d, PCI_BASE_ADDRESS_0 + i*4);
Error: COMPILER_WARNING (CWE-563):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/generic.c:179:35: warning[-Wunused-variable]: unused variable ‘size’
# 179 | u32 size;
# | ^~~~
# 177| if (flags & PCI_FILL_SIZES)
# 178| {
# 179|-> u32 size;
# 180| pci_write_long(d, PCI_BASE_ADDRESS_0 + (i-1)*4, ~0);
# 181| d->size[i-1] = pci_size(x, pci_read_long(d, PCI_BASE_ADDRESS_0 + (i-1)*4), PCI_BASE_ADDRESS_MEM_MASK);
Error: COMPILER_WARNING (CWE-563):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/generic.c:212:23: warning[-Wunused-variable]: unused variable ‘size’
# 212 | u32 size;
# | ^~~~
# 210| if (flags & PCI_FILL_SIZES)
# 211| {
# 212|-> u32 size;
# 213| pci_write_long(d, reg, ~0);
# 214| d->rom_size = pci_read_long(d, reg);
Error: COMPILER_WARNING (CWE-563):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/minios.c: scope_hint: In function ‘minios_detect’
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/minios.c:15:34: warning[-Wunused-parameter]: unused parameter ‘a’
# 15 | minios_detect(struct pci_access *a)
# | ~~~~~~~~~~~~~~~~~~~^
# 13|
# 14| static int
# 15|-> minios_detect(struct pci_access *a)
# 16| {
# 17| return 1;
Error: COMPILER_WARNING (CWE-563):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/minios.c: scope_hint: In function ‘minios_init’
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/minios.c:21:32: warning[-Wunused-parameter]: unused parameter ‘a’
# 21 | minios_init(struct pci_access *a)
# | ~~~~~~~~~~~~~~~~~~~^
# 19|
# 20| static void
# 21|-> minios_init(struct pci_access *a)
# 22| {
# 23| }
Error: COMPILER_WARNING (CWE-563):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/minios.c: scope_hint: In function ‘minios_cleanup’
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/minios.c:26:35: warning[-Wunused-parameter]: unused parameter ‘a’
# 26 | minios_cleanup(struct pci_access *a)
# | ~~~~~~~~~~~~~~~~~~~^
# 24|
# 25| static void
# 26|-> minios_cleanup(struct pci_access *a)
# 27| {
# 28| shutdown_pcifront(NULL);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/names.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/names.c: scope_hint: In function ‘pci_open’
xen-4.18.1-build/xen-4.18.1/stubdom/pciutils-x86_64/lib/names.c:36:3: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL ‘new_name’ where non-null expected
<built-in>: note: argument 1 of ‘__builtin_memcpy’ must be non-null
# 34| return result;
# 35| new_name = malloc(len - 2);
# 36|-> memcpy(new_name, a->id_file_name, len - 3);
# 37| new_name[len - 3] = 0;
# 38| pci_set_name_list_path(a, new_name, 1);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/zlib-x86_64/deflate.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/zlib-x86_64/deflate.c:352:20: warning[deadcode.DeadStores]: Value stored to 'hash_head' is never read
# 350| INSERT_STRING(s, n, hash_head);
# 351| }
# 352|-> if (hash_head) hash_head = 0; /* to make compiler happy */
# 353| return Z_OK;
# 354| }
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/zlib-x86_64/gzio.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/zlib-x86_64/infback.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/zlib-x86_64/inflate.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/zlib-x86_64/inftrees.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/stubdom/zlib-x86_64/trees.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/console/client/main.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-775):
xen-4.18.1-build/xen-4.18.1/tools/console/client/main.c: scope_hint: In function ‘console_loop’
xen-4.18.1-build/xen-4.18.1/tools/console/client/main.c:200:32: warning[-Wanalyzer-fd-leak]: leak of file descriptor ‘fd’
/usr/include/sys/select.h:30: included_from: Included from here.
/usr/include/sys/types.h:179: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/console/client/main.c:21: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/console/client/main.c:27: included_from: Included from here.
# 198| continue;
# 199| }
# 200|-> return -1;
# 201| }
# 202|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/console/client/main.c:476:2: warning[deadcode.DeadStores]: Value stored to 'xsfd' is never read
# 474| if (!xs_watch(xs, path, ""))
# 475| err(errno, "Can't set watch for console pty");
# 476|-> xsfd = xs_fileno(xs);
# 477|
# 478| /* Wait a little bit for tty to appear. There is a race
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/console/daemon/io.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/console/daemon/io.c:204: warning[uninitvar]: Uninitialized variable: ret
# 202| break;
# 203| }
# 204|-> return ret;
# 205| }
# 206|
Error: CPPCHECK_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/console/daemon/io.c:226: warning[uninitvar]: Uninitialized variable: ret
# 224| break;
# 225| }
# 226|-> return ret;
# 227| }
# 228|
Error: CPPCHECK_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/console/daemon/io.c:1399: error[legacyUninitvar]: Uninitialized variable: poll_timeout
# 1397| }
# 1398|
# 1399|-> ret = poll(fds, nr_fds, next_timeout ? poll_timeout : -1);
# 1400|
# 1401| if (log_reload) {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/console/daemon/io.c:1444:4: warning[deadcode.DeadStores]: Value stored to 'xs_pollfd_idx' is never read
# 1442| handle_xs();
# 1443|
# 1444|-> xs_pollfd_idx = -1;
# 1445| }
# 1446|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/console/daemon/io.c:1483:2: warning[deadcode.DeadStores]: Value stored to 'log_hv_evtchn' is never read
# 1481| xfm_handle = NULL;
# 1482| }
# 1483|-> log_hv_evtchn = -1;
# 1484| }
# 1485|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/console/daemon/main.c:119:15: warning[unix.Malloc]: Potential leak of memory pointed to by 'pidfile'
# 117| char *pidfile = NULL;
# 118|
# 119|-> while ((ch = getopt_long(argc, argv, sopts, lopts, &opt_ind)) != -1) {
# 120| switch (ch) {
# 121| case 'h':
Error: GCC_ANALYZER_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/console/daemon/utils.c: scope_hint: In function ‘daemonize’
xen-4.18.1-build/xen-4.18.1/tools/console/daemon/utils.c:75:17: warning[-Wanalyzer-fd-use-without-check]: ‘dup2’ on possibly invalid file descriptor ‘i’
# 73| for (i = 0; i <= 2; i++) {
# 74| close(i);
# 75|-> dup2(fd, i);
# 76| }
# 77|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/debugger/gdbsx/gx/gx_comm.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/debugger/gdbsx/gx/gx_comm.c:169:5: warning[deadcode.DeadStores]: Value stored to 'll' is never read
# 167|
# 168| bufcnt = read(remote_fd, buf, sizeof (buf));
# 169|-> ll = *(uint64_t *)buf;
# 170| if (bufcnt <= 0) {
# 171| if (bufcnt == 0)
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/debugger/gdbsx/gx/gx_comm.c: scope_hint: In function ‘gx_putpkt’
xen-4.18.1-build/xen-4.18.1/tools/debugger/gdbsx/gx/gx_comm.c:286:10: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘buf2’
# 284|
# 285| p = buf2;
# 286|-> *p++ = '$';
# 287|
# 288| for (i = 0; i < cnt; i++) {
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/debugger/gdbsx/gx/gx_main.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/debugger/gdbsx/gx/gx_main.c:673:9: warning[unix.Malloc]: Potential leak of memory pointed to by 'remote_buf'
# 671| * connection from remote gdb */
# 672| if (gx_remote_open(argv[4]) == -1) {
# 673|-> xg_detach_deinit();
# 674| return 1;
# 675| }
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/debugger/kdd/kdd.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-823):
xen-4.18.1-build/xen-4.18.1/tools/debugger/kdd/kdd.c:816: error[arrayIndexOutOfBounds]: Array 's->txb[56]' accessed at index 271, which is out of bounds.
# 814| /* XXX debug pattern */
# 815| for (i = 0; i < 0x100 ; i++)
# 816|-> s->txb[sizeof (kdd_hdr) + i] = i;
# 817| }
# 818|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/cacheattr.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/e820.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/hvm_param.c:22:16: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 20| ret = hypercall_hvm_op(HVMOP_get_param, &p);
# 21| if (ret == 0)
# 22|-> *value = p.value;
# 23|
# 24| return ret;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/hvmloader.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/hvmloader.c:22: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/hvmloader.c: scope_hint: In function ‘main’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/hvmloader.c:332:26: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.h:39:28: note: in definition of macro ‘BUG_ON’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.h:39:28: note: in definition of macro ‘BUG_ON’
# 330|
# 331| printf("HVM Loader\n");
# 332|-> BUG_ON(hvm_start_info->magic != XEN_HVM_START_MAGIC_VALUE);
# 333|
# 334| init_hypercalls();
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/pci.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/pci.c:242:13: warning[deadcode.DeadStores]: Value stored to 'bar_sz_upper' is never read
# 240| for ( bar = 0; bar < 7; bar++ )
# 241| {
# 242|-> bar_sz_upper = 0;
# 243| bar_reg = PCI_BASE_ADDRESS_0 + 4*bar;
# 244| if ( bar == 6 )
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/smbios.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/smbios.c:310:5: warning[deadcode.DeadStores]: Value stored to 'p' is never read
# 308| goto error_out;
# 309| strcpy(p, xen_extra_version);
# 310|-> p += tmp_len;
# 311|
# 312| xen_version_str[sizeof(xen_version_str)-1] = '\0';
Error: CPPCHECK_WARNING (CWE-570):
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/smp.c:125: error[subtractPointers]: Subtracting pointers that point to different objects
# 123| unsigned int i, nr_cpus = hvm_info->nr_vcpus;
# 124|
# 125|-> memcpy((void *)AP_BOOT_EIP, ap_boot_start, ap_boot_end - ap_boot_start);
# 126|
# 127| printf("Multiprocessor initialisation:\n");
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-686):
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c: scope_hint: In function ‘_doprint’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:596:23: warning[-Wanalyzer-va-arg-type-mismatch]: ‘va_arg’ expected ‘long unsigned int’ but received ‘char (*)[7]’ for variadic argument 1 of ‘ap’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:20: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:797:9: note: in expansion of macro ‘BUG’
# 594| if ( lflag )
# 595| {
# 596|-> value = va_arg(ap, unsigned long);
# 597| if ( (c == 'd') && ((long)value < 0) )
# 598| {
Error: GCC_ANALYZER_WARNING (CWE-685):
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:596:23: warning[-Wanalyzer-va-list-exhausted]: ‘ap’ has no more arguments (0 consumed)
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c: scope_hint: In function ‘_doprint’
# 594| if ( lflag )
# 595| {
# 596|-> value = va_arg(ap, unsigned long);
# 597| if ( (c == 'd') && ((long)value < 0) )
# 598| {
Error: GCC_ANALYZER_WARNING (CWE-686):
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:605:23: warning[-Wanalyzer-va-arg-type-mismatch]: ‘va_arg’ expected ‘long unsigned int’ but received ‘char (*)[7]’ for variadic argument 1 of ‘ap’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:797:9: note: in expansion of macro ‘BUG’
# 603| else
# 604| {
# 605|-> value = va_arg(ap, unsigned int);
# 606| if ( (c == 'd') && ((int)value < 0) )
# 607| {
Error: GCC_ANALYZER_WARNING (CWE-685):
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:605:23: warning[-Wanalyzer-va-list-exhausted]: ‘ap’ has no more arguments (0 consumed)
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c: scope_hint: In function ‘_doprint’
# 603| else
# 604| {
# 605|-> value = va_arg(ap, unsigned int);
# 606| if ( (c == 'd') && ((int)value < 0) )
# 607| {
Error: GCC_ANALYZER_WARNING (CWE-686):
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:628:17: warning[-Wanalyzer-va-arg-type-mismatch]: ‘va_arg’ expected ‘char *’ but received ‘int’ for variadic argument 2 of ‘ap’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:797:9: note: in expansion of macro ‘BUG’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c: scope_hint: In function ‘_doprint’
# 626| else if ( c == 's' )
# 627| {
# 628|-> str = va_arg(ap, char *);
# 629| slen = strlen(str);
# 630| if ( nflag == 0 )
Error: GCC_ANALYZER_WARNING (CWE-685):
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:628:17: warning[-Wanalyzer-va-list-exhausted]: ‘ap’ has no more arguments (0 consumed)
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c: scope_hint: In function ‘_doprint’
# 626| else if ( c == 's' )
# 627| {
# 628|-> str = va_arg(ap, char *);
# 629| slen = strlen(str);
# 630| if ( nflag == 0 )
Error: GCC_ANALYZER_WARNING (CWE-686):
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:641:34: warning[-Wanalyzer-va-arg-type-mismatch]: ‘va_arg’ expected ‘int’ but received ‘char (*)[7]’ for variadic argument 1 of ‘ap’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:797:9: note: in expansion of macro ‘BUG’
# 639| else if ( c == 'c' )
# 640| {
# 641|-> emit(arg, va_arg(ap, int));
# 642| }
# 643| else
Error: GCC_ANALYZER_WARNING (CWE-685):
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c:641:34: warning[-Wanalyzer-va-list-exhausted]: ‘ap’ has no more arguments (0 consumed)
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/util.c: scope_hint: In function ‘_doprint’
# 639| else if ( c == 'c' )
# 640| {
# 641|-> emit(arg, va_arg(ap, int));
# 642| }
# 643| else
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/xenbus.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/xenbus.c: scope_hint: In function ‘ring_write.part.0’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/xenbus.c:124:9: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘data + done’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/xenbus.c:28: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/xenbus.c:188:5: note: in expansion of macro ‘ASSERT’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/xenbus.c: scope_hint: In function ‘ring_write.part.0’
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/xenbus.c:33: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/firmware/hvmloader/xenbus.c:118:43: note: in expansion of macro ‘MASK_XENSTORE_IDX’
# 122| part = len;
# 123|
# 124|-> memcpy(rings->req + MASK_XENSTORE_IDX(rings->req_prod),
# 125| data + done, part);
# 126| barrier(); /* = wmb before prod write, rmb before next cons read */
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_switch_to_buffer’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:277:46: warning[-Wanalyzer-malloc-leak]: leak of ‘yy_create_buffer(zconf_fopen(*file.name), 16384)’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3802:19: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_switch_to_buffer’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3802:19: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3802:19: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3769:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_switch_to_buffer’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3672:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3802:19: note: in expansion of macro ‘YY_CURRENT_BUFFER’
# 275| */
# 276| #define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
# 277|-> ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
# 278| : NULL)
# 279| /* Same as previous macro, but useful when we know that the buffer stack is not
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_get_next_buffer’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3416:46: warning[-Wanalyzer-malloc-leak]: leak of ‘*b.yy_ch_buf’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3580:38: note: in expansion of macro ‘YY_CURRENT_BUFFER_LVALUE’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_get_next_buffer’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_get_next_buffer’
# 3414| b->yy_buf_size *= 2;
# 3415|
# 3416|-> b->yy_ch_buf = (char *)
# 3417| /* Include room in for 2 EOB chars. */
# 3418| yyrealloc( (void *) b->yy_ch_buf,
Error: GCC_ANALYZER_WARNING (CWE-775):
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_switch_to_buffer’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3672:12: warning[-Wanalyzer-file-leak]: leak of FILE
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3802:19: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3769:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3769:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3672:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
# 3670| */
# 3671| yyensure_buffer_stack ();
# 3672|-> if ( YY_CURRENT_BUFFER == new_buffer )
# 3673| return;
# 3674|
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3672:12: warning[-Wanalyzer-malloc-leak]: leak of ‘<unknown>’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3802:19: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3769:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3769:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3672:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
# 3670| */
# 3671| yyensure_buffer_stack ();
# 3672|-> if ( YY_CURRENT_BUFFER == new_buffer )
# 3673| return;
# 3674|
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_create_buffer’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3722:12: warning[-Wanalyzer-malloc-leak]: leak of ‘malloc(64)’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_create_buffer’
# 3720| */
# 3721| b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) );
# 3722|-> if ( ! b->yy_ch_buf )
# 3723| YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
# 3724|
Error: CPPCHECK_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3762: warning[nullPointer]: Possible null pointer dereference: b
# 3760| yy_flush_buffer( b );
# 3761|
# 3762|-> b->yy_input_file = file;
# 3763| b->yy_fill_buffer = 1;
# 3764|
Error: CPPCHECK_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/lexer.lex.c:3763: warning[nullPointer]: Possible null pointer dereference: b
# 3761|
# 3762| b->yy_input_file = file;
# 3763|-> b->yy_fill_buffer = 1;
# 3764|
# 3765| /* If b is the current buffer, then yy_init_buffer was _probably_
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/firmware/xen-dir/xen-root/xen/tools/kconfig/parser.tab.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-775):
xen-4.18.1-build/xen-4.18.1/tools/flask/utils/label-pci.c: scope_hint: In function ‘main’
xen-4.18.1-build/xen-4.18.1/tools/flask/utils/label-pci.c:78:15: warning[-Wanalyzer-file-leak]: leak of FILE ‘fopen(&buf, "r")’
# 76| }
# 77|
# 78|-> ret = xc_flask_add_device(xch, sbdf, argv[2]);
# 79| if (ret) {
# 80| fprintf(stderr, "xc_flask_add_device: Unable to set context of PCI device %s (0x%x) to %s: %d\n",
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/flask/utils/label-pci.c:78:15: warning[-Wanalyzer-malloc-leak]: leak of ‘fopen(&buf, "r")’
# 76| }
# 77|
# 78|-> ret = xc_flask_add_device(xch, sbdf, argv[2]);
# 79| if (ret) {
# 80| fprintf(stderr, "xc_flask_add_device: Unable to set context of PCI device %s (0x%x) to %s: %d\n",
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/flask/utils/loadpolicy.c: scope_hint: In function ‘main’
xen-4.18.1-build/xen-4.18.1/tools/flask/utils/loadpolicy.c:81:5: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL ‘polMemCp’ where non-null expected
<built-in>: note: argument 1 of ‘__builtin_memcpy’ must be non-null
# 79| }
# 80|
# 81|-> memcpy(polMemCp, polMem, info.st_size);
# 82| #else
# 83| ret = read(polFd, polMemCp, info.st_size);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/fuzz/x86_instruction_emulator/afl-harness.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/fuzz/x86_instruction_emulator/afl-harness.c: scope_hint: In function ‘main’
xen-4.18.1-build/xen-4.18.1/tools/fuzz/x86_instruction_emulator/afl-harness.c:94:16: warning[-Wanalyzer-null-argument]: use of NULL ‘fp’ where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/fuzz/x86_instruction_emulator/afl-harness.c:3: included_from: Included from here.
/usr/include/stdio.h:728:15: note: argument 4 of ‘fread’ must be non-null
# 92| #endif
# 93|
# 94|-> size = fread(input, 1, INPUT_SIZE, fp);
# 95|
# 96| if ( ferror(fp) )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/fuzz/x86_instruction_emulator/afl-harness.c:94:16: warning[core.NonNullParamChecker]: Null pointer passed to 4th parameter expecting 'nonnull'
# 92| #endif
# 93|
# 94|-> size = fread(input, 1, INPUT_SIZE, fp);
# 95|
# 96| if ( ferror(fp) )
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/fuzz/x86_instruction_emulator/fuzz-emul.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-775):
xen-4.18.1-build/xen-4.18.1/tools/helpers/init-xenstore-domain.c: scope_hint: In function ‘build’
xen-4.18.1-build/xen-4.18.1/tools/helpers/init-xenstore-domain.c:106:10: warning[-Wanalyzer-fd-leak]: leak of file descriptor ‘open("/dev/xen/xenbus_backend", 2)’
# 104| }
# 105|
# 106|-> if ( flask )
# 107| {
# 108| rv = xc_flask_context_to_sid(xch, flask, strlen(flask), &config.ssidref);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/include/xen-foreign/checker.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libacpi/build.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libacpi/mk_dsdt.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/tools/libacpi/mk_dsdt.c:443: error[shiftTooManyBitsSigned]: Shifting signed 32-bit value by 31 bits is undefined behaviour
# 441| stmt("Name", "_ADR, %#06x0000", slot);
# 442| push_block("Method", "_EJ0,1"); {
# 443|-> stmt("Store", "%#010x, B0EJ", 1 << slot);
# 444| } pop_block();
# 445| stmt("Name", "_SUN, %i", slot);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/ext2fs-lib/ext2fs-lib.c:128:7: warning[deadcode.DeadStores]: Although the value stored to 'err' is used in the enclosing expression, the value is never actually read from 'err'
# 126| int err;
# 127|
# 128|-> if ((err = ext2fs_file_llseek(*f, 0, EXT2_SEEK_CUR, &tmpoff)) != 0) {
# 129| errno = EINVAL;
# 130| return (-1);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/ext2fs-lib/ext2fs-lib.c:133:7: warning[deadcode.DeadStores]: Although the value stored to 'err' is used in the enclosing expression, the value is never actually read from 'err'
# 131| }
# 132|
# 133|-> if ((err = ext2fs_file_llseek(*f, off, EXT2_SEEK_SET, NULL)) != 0) {
# 134| errno = EINVAL;
# 135| return (-1);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/fat/fsys_fat.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/iso9660/fsys_iso9660.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/reiserfs/fsys_reiserfs.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/ufs/fsys_ufs.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/xfs/fsys_xfs.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/xfs/fsys_xfs.c:351:14: warning[core.NullDereference]: Access to field 'namelen' results in a dereference of a null pointer (loaded from variable 'sfe')
# 349| break;
# 350| default:
# 351|-> namelen = sfe->namelen;
# 352| *ino = sf_ino ((char *)sfe, namelen);
# 353| name = (char *)sfe->name;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/xfs/fsys_xfs.c:576:22: warning[core.UndefinedBinaryOperatorResult]: The left operand of '==' is a garbage value
# 574| }
# 575|
# 576|-> ino = (linkbuf[0] == '/') ? xfs.rootino : parent_ino;
# 577| while (n < (xfs.bsize - 1) && (linkbuf[n++] = *dirname++));
# 578| linkbuf[n] = 0;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/xfs/fsys_xfs.c:616:9: warning[core.uninitialized.Branch]: Branch condition evaluates to a garbage value
# 614| if (cmp == 0) {
# 615| parent_ino = ino;
# 616|-> if (new_ino)
# 617| ino = new_ino;
# 618| *(dirname = rest) = ch;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/zfs/fsys_zfs.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/zfs/fsys_zfs.c:713:17: warning[core.BitwiseShift]: Right operand is negative in right shift
# 711| blksz = mdn->dn_datablkszsec << SPA_MINBLOCKSHIFT;
# 712| epbs = zfs_log2(blksz) - DNODE_SHIFT;
# 713|-> blkid = objnum >> epbs;
# 714| idx = objnum & ((1<<epbs)-1);
# 715|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libfsimage/zfs/fsys_zfs.c:1226:2: warning[deadcode.DeadStores]: Value stored to 'stack' is never read
# 1224|
# 1225| vdev = (vdev_phys_t *)stack;
# 1226|-> stack += sizeof (vdev_phys_t);
# 1227|
# 1228| if (nvlist_unpack(vdev->vp_nvlist, &nvlist))
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/ctrl/xc_domain.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/ctrl/xc_flask.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/ctrl/xc_misc.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/ctrl/xc_pagetab.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/devicemodel/core.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/foreignmemory/core.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/gnttab/linux.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_core.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_core_x86.c:79: error[shiftTooManyBitsSigned]: Shifting signed 64-bit value by 63 bits is undefined behaviour
# 77| static inline bool is_canonical_address(uint64_t vaddr)
# 78| {
# 79|-> return ((int64_t)vaddr >> 47) == ((int64_t)vaddr >> 63);
# 80| }
# 81|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_cpuid_x86.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_cpuid_x86.c:287:11: warning[deadcode.DeadStores]: Although the value stored to 'rc' is used in the enclosing expression, the value is never actually read from 'rc'
# 285| unsigned int nr_host, nr_def, nr_cur;
# 286|
# 287|-> if ( (rc = xc_domain_getinfo_single(xch, domid, &di)) < 0 )
# 288| {
# 289| PERROR("Failed to obtain d%d info", domid);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_cpuid_x86.c:454:11: warning[deadcode.DeadStores]: Although the value stored to 'rc' is used in the enclosing expression, the value is never actually read from 'rc'
# 452| unsigned int nr_host, nr_def, nr_cur;
# 453|
# 454|-> if ( (rc = xc_domain_getinfo_single(xch, domid, &di)) < 0 )
# 455| {
# 456| PERROR("Failed to obtain d%d info", domid);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_cpuid_x86.c:593:11: warning[deadcode.DeadStores]: Although the value stored to 'rc' is used in the enclosing expression, the value is never actually read from 'rc'
# 591| uint32_t len = ARRAY_SIZE(host_featureset);
# 592|
# 593|-> if ( (rc = xc_domain_getinfo_single(xch, domid, &di)) < 0 )
# 594| {
# 595| PERROR("Failed to obtain d%d info", domid);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_binloader.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_bzimageloader.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_core.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_core.c:424:17: warning[deadcode.DeadStores]: Value stored to 'mode' during its initialization is never read
# 422| xen_pfn_t offset;
# 423| unsigned int page_shift = XC_DOM_PAGE_SHIFT(dom);
# 424|-> const char *mode = "unset";
# 425|
# 426| *count_out = 0;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_decompress_lz4.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_decompress_unsafe_bzip2.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_decompress_unsafe_lzma.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_decompress_unsafe_lzo1x.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_decompress_unsafe_xz.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_decompress_unsafe_zstd.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_x86.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_x86.c:1227:9: warning[deadcode.DeadStores]: Value stored to 'nr_vnodes' is never read
# 1225| vmemranges[0].nid = 0;
# 1226|
# 1227|-> nr_vnodes = 1;
# 1228| vnode_to_pnode = dummy_vnode_to_pnode;
# 1229| vnode_to_pnode[0] = XC_NUMA_NO_NODE;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_x86.c:1234:9: warning[deadcode.DeadStores]: Value stored to 'nr_vnodes' is never read
# 1232| {
# 1233| nr_vmemranges = dom->nr_vmemranges;
# 1234|-> nr_vnodes = dom->nr_vnodes;
# 1235| vmemranges = dom->vmemranges;
# 1236| vnode_to_pnode = dom->vnode_to_pnode;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_x86.c:1399:9: warning[deadcode.DeadStores]: Value stored to 'nr_vnodes' is never read
# 1397|
# 1398| dummy_vnode_to_pnode[0] = XC_NUMA_NO_NODE;
# 1399|-> nr_vnodes = 1;
# 1400| vmemranges = dummy_vmemrange;
# 1401| vnode_to_pnode = dummy_vnode_to_pnode;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_x86.c:1412:9: warning[deadcode.DeadStores]: Value stored to 'nr_vnodes' is never read
# 1410|
# 1411| nr_vmemranges = dom->nr_vmemranges;
# 1412|-> nr_vnodes = dom->nr_vnodes;
# 1413| vmemranges = dom->vmemranges;
# 1414| vnode_to_pnode = dom->vnode_to_pnode;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_domain.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_offline_page.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_resume.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_common.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_common.h:211: error[memleak]: Memory leak: ptr
# 209| blob->size = size;
# 210|
# 211|-> return 0;
# 212| }
# 213|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_restore.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_restore.c:261:13: warning[core.CallAndMessage]: 5th function call argument is an uninitialized value
# 259| {
# 260| rc = -1;
# 261|-> ERROR("Mapping pfn %#"PRIpfn" (mfn %#"PRIpfn", type %#"PRIx32") failed with %d",
# 262| pfns[i], mfns[j], types[i], map_errs[j]);
# 263| goto err;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_restore_x86_pv.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_restore_x86_pv.c:1006: warning[uninitvar]: Uninitialized variable: pfns
# 1004| }
# 1005|
# 1006|-> if ( to_populate && populate_pfns(ctx, to_populate, pfns, NULL) )
# 1007| return -1;
# 1008|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_save.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_save_x86_pv.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_save_x86_pv.c:9: error[shiftTooManyBitsSigned]: Shifting signed 64-bit value by 63 bits is undefined behaviour
# 7| static inline bool is_canonical_address(xen_vaddr_t vaddr)
# 8| {
# 9|-> return ((int64_t)vaddr >> 47) == ((int64_t)vaddr >> 63);
# 10| }
# 11|
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_save_x86_pv.c: scope_hint: In function ‘map_p2m_leaves’
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_save_x86_pv.c:106:15: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘*<unknown>’
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_common.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_common_x86.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_common_x86_pv.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_save_x86_pv.c:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_save_x86_pv.c:472:15: note: in expansion of macro ‘GET_FIELD’
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_private.h:47:48: note: in definition of macro ‘GET_FIELD’
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_save_x86_pv.c:1: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_private.h:30: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_save_x86_pv.c:369:5: note: in expansion of macro ‘DPRINTF’
# 104| for ( x = 0; x < n_mfns; ++x )
# 105| {
# 106|-> if ( !mfn_in_pseudophysmap(ctx, mfns[x]) )
# 107| {
# 108| ERROR("Bad mfn in p2m_frame_list[%u]", x);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_save_x86_pv.c:106:15: warning[core.CallAndMessage]: 2nd function call argument is an uninitialized value
# 104| for ( x = 0; x < n_mfns; ++x )
# 105| {
# 106|-> if ( !mfn_in_pseudophysmap(ctx, mfns[x]) )
# 107| {
# 108| ERROR("Bad mfn in p2m_frame_list[%u]", x);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_sr_save_x86_pv.c:815:19: warning[deadcode.DeadStores]: Value stored to 'xch' during its initialization is never read
# 813| static int write_x86_pv_p2m_frames(struct xc_sr_context *ctx)
# 814| {
# 815|-> xc_interface *xch = ctx->xch;
# 816| int rc; unsigned int i;
# 817| size_t datasz = ctx->x86.pv.p2m_frames * sizeof(uint64_t);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/hypfs/core.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/hypfs/core.c:149: error[memleakOnRealloc]: Common realloc mistake: 'content' nulled but not freed upon failure
# 147|
# 148| out_sz = z.next_out - workbuf;
# 149|-> content = realloc(content, *sz + out_sz + 1);
# 150| if (!content) {
# 151| ret = Z_MEM_ERROR;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/hypfs/core.c:162:9: warning[unix.Malloc]: Potential leak of memory pointed to by 'content'
# 160| free(content);
# 161| content = NULL;
# 162|-> errno = EIO;
# 163| }
# 164| free(workbuf);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2108:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2106| void libxl_ioport_range_init(libxl_ioport_range *p)
# 2107| {
# 2108|-> memset(p, '\0', sizeof(*p));
# 2109| }
# 2110|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2113:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2111| void libxl_iomem_range_init(libxl_iomem_range *p)
# 2112| {
# 2113|-> memset(p, '\0', sizeof(*p));
# 2114| p->gfn = LIBXL_INVALID_GFN;
# 2115| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2187:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2185| void libxl_smbios_init(libxl_smbios *p)
# 2186| {
# 2187|-> memset(p, '\0', sizeof(*p));
# 2188| }
# 2189|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2204:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2202| void libxl_sched_params_init(libxl_sched_params *p)
# 2203| {
# 2204|-> memset(p, '\0', sizeof(*p));
# 2205| p->vcpuid = LIBXL_SCHED_PARAM_VCPU_INDEX_DEFAULT;
# 2206| p->weight = LIBXL_DOMAIN_SCHED_PARAM_WEIGHT_DEFAULT;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2232:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2230| void libxl_vnode_info_init(libxl_vnode_info *p)
# 2231| {
# 2232|-> memset(p, '\0', sizeof(*p));
# 2233| p->memkb = LIBXL_MEMKB_DEFAULT;
# 2234| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2291:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2289| void libxl_device_vfb_init(libxl_device_vfb *p)
# 2290| {
# 2291|-> memset(p, '\0', sizeof(*p));
# 2292| p->devid = -1;
# 2293| libxl_vnc_info_init(&p->vnc);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2299:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2297| void libxl_device_vkb_init(libxl_device_vkb *p)
# 2298| {
# 2299|-> memset(p, '\0', sizeof(*p));
# 2300| p->devid = -1;
# 2301| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2305:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2303| void libxl_device_virtio_init(libxl_device_virtio *p)
# 2304| {
# 2305|-> memset(p, '\0', sizeof(*p));
# 2306| p->devid = -1;
# 2307| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2311:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2309| void libxl_device_disk_init(libxl_device_disk *p)
# 2310| {
# 2311|-> memset(p, '\0', sizeof(*p));
# 2312| }
# 2313|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2316:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2314| void libxl_device_nic_init(libxl_device_nic *p)
# 2315| {
# 2316|-> memset(p, '\0', sizeof(*p));
# 2317| p->devid = -1;
# 2318| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2322:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2320| void libxl_device_pci_init(libxl_device_pci *p)
# 2321| {
# 2322|-> memset(p, '\0', sizeof(*p));
# 2323| p->rdm_policy = LIBXL_RDM_RESERVE_POLICY_INVALID;
# 2324| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2328:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2326| void libxl_device_rdm_init(libxl_device_rdm *p)
# 2327| {
# 2328|-> memset(p, '\0', sizeof(*p));
# 2329| p->policy = LIBXL_RDM_RESERVE_POLICY_INVALID;
# 2330| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2334:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2332| void libxl_device_usbctrl_init(libxl_device_usbctrl *p)
# 2333| {
# 2334|-> memset(p, '\0', sizeof(*p));
# 2335| p->devid = -1;
# 2336| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2340:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2338| void libxl_device_usbdev_init(libxl_device_usbdev *p)
# 2339| {
# 2340|-> memset(p, '\0', sizeof(*p));
# 2341| p->ctrl = -1;
# 2342| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2356:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2354| void libxl_device_dtdev_init(libxl_device_dtdev *p)
# 2355| {
# 2356|-> memset(p, '\0', sizeof(*p));
# 2357| }
# 2358|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2361:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2359| void libxl_device_vtpm_init(libxl_device_vtpm *p)
# 2360| {
# 2361|-> memset(p, '\0', sizeof(*p));
# 2362| p->devid = -1;
# 2363| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2367:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2365| void libxl_device_p9_init(libxl_device_p9 *p)
# 2366| {
# 2367|-> memset(p, '\0', sizeof(*p));
# 2368| p->devid = -1;
# 2369| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2373:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2371| void libxl_device_pvcallsif_init(libxl_device_pvcallsif *p)
# 2372| {
# 2373|-> memset(p, '\0', sizeof(*p));
# 2374| p->devid = -1;
# 2375| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2379:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2377| void libxl_device_channel_init(libxl_device_channel *p)
# 2378| {
# 2379|-> memset(p, '\0', sizeof(*p));
# 2380| p->devid = -1;
# 2381| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2399:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2397| void libxl_connector_param_init(libxl_connector_param *p)
# 2398| {
# 2399|-> memset(p, '\0', sizeof(*p));
# 2400| }
# 2401|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2404:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2402| void libxl_device_vdispl_init(libxl_device_vdispl *p)
# 2403| {
# 2404|-> memset(p, '\0', sizeof(*p));
# 2405| p->devid = -1;
# 2406| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2415:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2413| void libxl_vsnd_stream_init(libxl_vsnd_stream *p)
# 2414| {
# 2415|-> memset(p, '\0', sizeof(*p));
# 2416| libxl_vsnd_params_init(&p->params);
# 2417| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2421:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2419| void libxl_vsnd_pcm_init(libxl_vsnd_pcm *p)
# 2420| {
# 2421|-> memset(p, '\0', sizeof(*p));
# 2422| libxl_vsnd_params_init(&p->params);
# 2423| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2427:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2425| void libxl_device_vsnd_init(libxl_device_vsnd *p)
# 2426| {
# 2427|-> memset(p, '\0', sizeof(*p));
# 2428| p->devid = -1;
# 2429| libxl_vsnd_params_init(&p->params);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2480:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2478| void libxl_connectorinfo_init(libxl_connectorinfo *p)
# 2479| {
# 2480|-> memset(p, '\0', sizeof(*p));
# 2481| }
# 2482|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2491:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2489| void libxl_streaminfo_init(libxl_streaminfo *p)
# 2490| {
# 2491|-> memset(p, '\0', sizeof(*p));
# 2492| }
# 2493|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/_libxl_types.c:2496:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 2494| void libxl_pcminfo_init(libxl_pcminfo *p)
# 2495| {
# 2496|-> memset(p, '\0', sizeof(*p));
# 2497| }
# 2498|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl.c:697:13: warning[deadcode.DeadStores]: Value stored to 'par' is never read
# 695| path[end - par - 2 + 8] = 0;
# 696| val = "no";
# 697|-> par += 2;
# 698| } else {
# 699| path = libxl__sprintf(gc, "/params/%s", par);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_aoutils.c:239:29: warning[unix.Malloc]: Use of memory after it is freed
# 237| while (dc->used >= dc->maxsz) {
# 238| libxl__datacopier_buf *rm = XEN_TAILQ_FIRST(&dc->bufs);
# 239|-> dc->used -= rm->used;
# 240| assert(dc->used >= 0);
# 241| XEN_TAILQ_REMOVE(&dc->bufs, rm, entry);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_aoutils.c:295:43: warning[core.NullDereference]: Access to field 'used' results in a dereference of a null pointer (loaded from variable 'buf')
# 293| }
# 294| if (dc->log) {
# 295|-> int wrote = fwrite(buf->buf + buf->used, 1, r, dc->log);
# 296| if (wrote != r) {
# 297| assert(ferror(dc->log));
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_aoutils.c: scope_hint: In function ‘datacopier_readable’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_aoutils.c:295:46: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘buf’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_internal.h:26: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_aoutils.c:17: included_from: Included from here.
# 293| }
# 294| if (dc->log) {
# 295|-> int wrote = fwrite(buf->buf + buf->used, 1, r, dc->log);
# 296| if (wrote != r) {
# 297| assert(ferror(dc->log));
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_aoutils.c:337:14: warning[unix.Malloc]: Use of memory after it is freed
# 335| if (!buf)
# 336| break;
# 337|-> if (!buf->used) {
# 338| XEN_TAILQ_REMOVE(&dc->bufs, buf, entry);
# 339| free(buf);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_bootloader.c:212:16: warning[core.uninitialized.ArraySubscript]: Array subscript is undefined
# 210|
# 211| const char *rhs = buf + prefixlen;
# 212|-> if (!CTYPE(isspace,*rhs))
# 213| return 0;
# 214|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_proxy.c: scope_hint: In function ‘colo_proxy_setup’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_proxy.c:298:14: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘h’
# 296| if (size) {
# 297| h = (struct nlmsghdr *)buff;
# 298|-> if (h->nlmsg_type == NLMSG_ERROR) {
# 299| /* ack's type is NLMSG_ERROR */
# 300| struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(h);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:53:33: warning[deadcode.DeadStores]: Value stored to 'dcs' during its initialization is never read
# 51| static void colo_enable_logdirty(libxl__colo_restore_state *crs, libxl__egc *egc)
# 52| {
# 53|-> libxl__domain_create_state *dcs = CONTAINER_OF(crs, *dcs, crs);
# 54| libxl__colo_restore_checkpoint_state *crcs = crs->crcs;
# 55|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:54:50: warning[core.NullDereference]: Access to field 'crcs' results in a dereference of a null pointer (loaded from variable 'crs')
# 52| {
# 53| libxl__domain_create_state *dcs = CONTAINER_OF(crs, *dcs, crs);
# 54|-> libxl__colo_restore_checkpoint_state *crcs = crs->crcs;
# 55|
# 56| /* Convenience aliases */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:82:33: warning[deadcode.DeadStores]: Value stored to 'dcs' during its initialization is never read
# 80| libxl__egc *egc)
# 81| {
# 82|-> libxl__domain_create_state *dcs = CONTAINER_OF(crs, *dcs, crs);
# 83| libxl__colo_restore_checkpoint_state *crcs = crs->crcs;
# 84|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:83:50: warning[core.NullDereference]: Access to field 'crcs' results in a dereference of a null pointer (loaded from variable 'crs')
# 81| {
# 82| libxl__domain_create_state *dcs = CONTAINER_OF(crs, *dcs, crs);
# 83|-> libxl__colo_restore_checkpoint_state *crcs = crs->crcs;
# 84|
# 85| /* Convenience aliases */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:116:10: warning[core.NullDereference]: Access to field 'saved_cb' results in a dereference of a null pointer (loaded from variable 'crs')
# 114| EGC_GC;
# 115|
# 116|-> if (!crs->saved_cb) {
# 117| /* TODO: sync mmu for hvm? */
# 118| if (restore_device_model) {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:228:23: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'crs')
# 226| libxl__srm_restore_autogen_callbacks *const callbacks =
# 227| &dcs->srs.shs.callbacks.restore.a;
# 228|-> const int domid = crs->domid;
# 229|
# 230| STATE_AO_GC(crs->ao);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:350:33: warning[deadcode.DeadStores]: Value stored to 'dcs' during its initialization is never read
# 348| libxl__colo_restore_state *crs = cds->concrete_data;
# 349| libxl__colo_restore_checkpoint_state *crcs = crs->crcs;
# 350|-> libxl__domain_create_state *dcs = CONTAINER_OF(crs, *dcs, crs);
# 351|
# 352| EGC_GC;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:410:33: warning[deadcode.DeadStores]: Value stored to 'dcs' during its initialization is never read
# 408| int rc)
# 409| {
# 410|-> libxl__domain_create_state *dcs = CONTAINER_OF(crcs->crs, *dcs, crs);
# 411|
# 412| /* Convenience aliases */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:418:9: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'crs')
# 416|
# 417| if (rc)
# 418|-> LOGD(ERROR, crs->domid, "cannot do failover");
# 419|
# 420| libxl__colo_restore_teardown_done(egc, crs, rc);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:455:23: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'crs')
# 453|
# 454| /* convenience aliases */
# 455|-> const int domid = crs->domid;
# 456| const libxl_ctx *const ctx = libxl__gc_owner(gc);
# 457| xc_interface *const xch = ctx->xch;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:587:19: warning[core.NullDereference]: Access to field 'callback' results in a dereference of a null pointer (loaded from variable 'cds')
# 585| }
# 586|
# 587|-> cds->callback = colo_restore_preresume_cb;
# 588| libxl__checkpoint_devices_preresume(egc, cds);
# 589| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:597:50: warning[core.NullDereference]: Access to field 'crcs' results in a dereference of a null pointer (loaded from variable 'crs')
# 595| libxl__colo_restore_state *crs = cds->concrete_data;
# 596| libxl__domain_create_state *dcs = CONTAINER_OF(crs, *dcs, crs);
# 597|-> libxl__colo_restore_checkpoint_state *crcs = crs->crcs;
# 598|
# 599| /* Convenience aliases */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:649:9: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'crs')
# 647|
# 648| if (rc) {
# 649|-> LOGD(ERROR, crs->domid, "cannot resume secondary vm");
# 650| goto out;
# 651| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:658:9: warning[core.NullDereference]: Access to field 'saved_cb' results in a dereference of a null pointer (loaded from variable 'crs')
# 656|
# 657| /* avoid calling stream->completion_callback() more than once */
# 658|-> if (crs->saved_cb) {
# 659| dcs->callback = crs->saved_cb;
# 660| crs->saved_cb = NULL;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:715:39: warning[core.NullDereference]: Access to field 'crs' results in a dereference of a null pointer (loaded from variable 'crcs')
# 713| {
# 714| libxl__colo_restore_checkpoint_state *crcs = CONTAINER_OF(lds, *crcs, lds);
# 715|-> libxl__domain_create_state *dcs = CONTAINER_OF(crcs->crs, *dcs, crs);
# 716|
# 717| /* Convenience aliases */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:724:9: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'crs')
# 722|
# 723| if (rc) {
# 724|-> LOGD(ERROR, crs->domid, "cannot enable logdirty");
# 725| goto out;
# 726| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:742:39: warning[core.NullDereference]: Access to field 'crs' results in a dereference of a null pointer (loaded from variable 'crcs')
# 740| {
# 741| libxl__colo_restore_checkpoint_state *crcs = CONTAINER_OF(lds, *crcs, lds);
# 742|-> libxl__domain_create_state *dcs = CONTAINER_OF(crcs->crs, *dcs, crs);
# 743|
# 744| /* Convenience aliases */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:750:9: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from field 'crs')
# 748|
# 749| if (rc) {
# 750|-> LOGD(ERROR, crcs->crs->domid, "cannot enable logdirty");
# 751| goto out;
# 752| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:770:50: warning[core.NullDereference]: Access to field 'crcs' results in a dereference of a null pointer (loaded from variable 'crs')
# 768| {
# 769| libxl__domain_create_state *dcs = CONTAINER_OF(crs, *dcs, crs);
# 770|-> libxl__colo_restore_checkpoint_state *crcs = crs->crcs;
# 771|
# 772| /* Convenience aliases */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:815:50: warning[core.NullDereference]: Access to field 'crcs' results in a dereference of a null pointer (loaded from variable 'crs')
# 813| libxl__colo_restore_state *crs = cds->concrete_data;
# 814| libxl__domain_create_state *dcs = CONTAINER_OF(crs, *dcs, crs);
# 815|-> libxl__colo_restore_checkpoint_state *crcs = crs->crcs;
# 816|
# 817| /* Convenience aliases */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:850:28: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from field 'crs')
# 848|
# 849| /* Convenience aliases */
# 850|-> const uint32_t domid = crcs->crs->domid;
# 851| libxl__save_helper_state *const shs = &dcs->srs.shs;
# 852|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:888:19: warning[core.NullDereference]: Access to field 'callback' results in a dereference of a null pointer (loaded from variable 'cds')
# 886| libxl__checkpoint_devices_state *cds = &dcs->cds;
# 887|
# 888|-> cds->callback = colo_restore_commit_cb;
# 889| libxl__checkpoint_devices_commit(shs->egc, cds);
# 890| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:898:50: warning[core.NullDereference]: Access to field 'crcs' results in a dereference of a null pointer (loaded from variable 'crs')
# 896| libxl__colo_restore_state *crs = cds->concrete_data;
# 897| libxl__domain_create_state *dcs = CONTAINER_OF(crs, *dcs, crs);
# 898|-> libxl__colo_restore_checkpoint_state *crcs = crs->crcs;
# 899|
# 900| EGC_GC;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:927:9: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from field 'crs')
# 925|
# 926| if (id != CHECKPOINT_NEW) {
# 927|-> LOGD(ERROR, crcs->crs->domid, "invalid section: %d", id);
# 928| goto out;
# 929| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:983:9: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'crs')
# 981|
# 982| if (rc) {
# 983|-> LOGD(ERROR, crs->domid, "cannot suspend secondary vm");
# 984| goto out;
# 985| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:989:53: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'crs')
# 987| crcs->status = LIBXL_COLO_SUSPENDED;
# 988|
# 989|-> if (libxl__qmp_query_xen_replication_status(gc, crs->domid)) {
# 990| LOGD(ERROR, crs->domid, "replication error occurs when secondary vm is running");
# 991| goto out;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:1009:50: warning[core.NullDereference]: Access to field 'crcs' results in a dereference of a null pointer (loaded from variable 'crs')
# 1007| libxl__colo_restore_state *crs = cds->concrete_data;
# 1008| libxl__domain_create_state *dcs = CONTAINER_OF(crs, *dcs, crs);
# 1009|-> libxl__colo_restore_checkpoint_state *crcs = crs->crcs;
# 1010| libxl_sr_checkpoint_state srcs = { .id = CHECKPOINT_SVM_SUSPENDED };
# 1011|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:1037:39: warning[core.NullDereference]: Access to field 'crs' results in a dereference of a null pointer (loaded from variable 'crcs')
# 1035| libxl__colo_restore_checkpoint_state *crcs =
# 1036| CONTAINER_OF(stream, *crcs, sws);
# 1037|-> libxl__domain_create_state *dcs = CONTAINER_OF(crcs->crs, *dcs, crs);
# 1038| int ok;
# 1039|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_restore.c:1044:9: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from field 'crs')
# 1042| if (rc < 0) {
# 1043| /* TODO: it may be a internal error, but we don't know */
# 1044|-> LOGD(ERROR, crcs->crs->domid, "sending data fails");
# 1045| ok = 2;
# 1046| goto out;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_save.c:294:19: warning[core.NullDereference]: Access to field 'callback' results in a dereference of a null pointer (loaded from variable 'cds')
# 292| libxl__checkpoint_devices_state *const cds = &dss->cds;
# 293|
# 294|-> cds->callback = colo_postsuspend_cb;
# 295| libxl__checkpoint_devices_postsuspend(egc, cds);
# 296| return;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_save.c:317:10: warning[core.NullDereference]: Access to field 'svm_running' results in a dereference of a null pointer (loaded from variable 'css')
# 315| }
# 316|
# 317|-> if (!css->svm_running) {
# 318| rc = 0;
# 319| goto out;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_save.c:350:10: warning[core.NullDereference]: Access to field 'paused' results in a dereference of a null pointer (loaded from variable 'css')
# 348| }
# 349|
# 350|-> if (!css->paused &&
# 351| libxl__qmp_query_xen_replication_status(gc, dss->domid)) {
# 352| LOGD(ERROR, dss->domid,
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_save.c:433:22: warning[core.NullDereference]: Access to field 'svm_running' results in a dereference of a null pointer (loaded from variable 'css')
# 431| colo_proxy_preresume(&css->cps);
# 432|
# 433|-> css->svm_running = true;
# 434| dss->cds.callback = colo_preresume_cb;
# 435| libxl__checkpoint_devices_preresume(egc, &dss->cds);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_colo_save.c:457:9: warning[core.NullDereference]: Access to field 'qdisk_used' results in a dereference of a null pointer (loaded from variable 'css')
# 455| }
# 456|
# 457|-> if (css->qdisk_used && !css->qdisk_setuped) {
# 458| if (libxl__qmp_start_replication(gc, dss->domid, true)) {
# 459| LOGD(ERROR, dss->domid, "starting replication fails");
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘cpuid_find_match’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c:87:9: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘policy’
# 85|
# 86| list = &policy->cpuid;
# 87|-> if (*list != NULL) {
# 88| for (i = 0; (*list)[i].input[0] != XEN_CPUID_INPUT_UNUSED; i++) {
# 89| if ((*list)[i].input[0] == leaf && (*list)[i].input[1] == subleaf)
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘cpuid_add’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c:137:13: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘*(unsigned int *)(&flags[4])’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘cpuid_add’
# 135| if (!strcmp(flag->name, "family")) {
# 136| if (num < 16) {
# 137|-> memcpy(resstr + (32 - 4) - flag->bit, flags + 4, 4);
# 138| memcpy(resstr + (32 - 8) - 20, "00000000", 8);
# 139| } else {
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c:149:9: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘resstr’
# 147| }
# 148| } else if (!strcmp(flag->name, "model")) {
# 149|-> memcpy(resstr + (32 - 4) - 16, flags, 4);
# 150| memcpy(resstr + (32 - 4) - flag->bit, flags + 4, 4);
# 151| } else {
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c:150:9: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘*(unsigned int *)(&flags[4])’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘cpuid_add’
# 148| } else if (!strcmp(flag->name, "model")) {
# 149| memcpy(resstr + (32 - 4) - 16, flags, 4);
# 150|-> memcpy(resstr + (32 - 4) - flag->bit, flags + 4, 4);
# 151| } else {
# 152| memcpy(resstr + (32 - flag->length) - flag->bit, flags,
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c:152:9: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL ‘resstr’ where non-null expected
<built-in>: note: argument 1 of ‘__builtin_memcpy’ must be non-null
# 150| memcpy(resstr + (32 - 4) - flag->bit, flags + 4, 4);
# 151| } else {
# 152|-> memcpy(resstr + (32 - flag->length) - flag->bit, flags,
# 153| flag->length);
# 154| }
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘msr_find_match’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c:168:15: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘policy’
# 166| policy = *pl = calloc(1, sizeof(*policy));
# 167|
# 168|-> if (policy->msr != NULL) {
# 169| for (i = 0; policy->msr[i].index != XC_MSR_INPUT_UNUSED; i++) {
# 170| if (policy->msr[i].index == idx) {
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c:177:26: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
# 175|
# 176| policy->msr = realloc(policy->msr, sizeof(struct xc_msr) * (i + 2));
# 177|-> policy->msr[i].index = idx;
# 178| memset(policy->msr[i].policy, 'x', ARRAY_SIZE(policy->msr[0].policy) - 1);
# 179| policy->msr[i].policy[ARRAY_SIZE(policy->msr[0].policy) - 1] = '\0';
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c:439:5: warning[deadcode.DeadStores]: Value stored to 'str' is never read
# 437| return 3;
# 438| }
# 439|-> str = endptr + 1;
# 440| entry = cpuid_find_match(policy, leaf, subleaf);
# 441| for (str = endptr + 1; *str != 0;) {
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘libxl_cpuid_parse_config_xend’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c:459:9: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL ‘calloc(33, 1)’ where non-null expected
<built-in>: note: argument 1 of ‘__builtin_strncpy’ must be non-null
# 457| }
# 458| entry->policy[value] = calloc(32 + 1, 1);
# 459|-> strncpy(entry->policy[value], str, 32);
# 460| entry->policy[value][32] = 0;
# 461| if (*endptr == 0) {
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘libxl__cpuid_policy_list_parse_json’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c:669:15: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘libxl__cpuid_policy_list_parse_json’
# 667|
# 668| array = libxl__json_object_get_array(co);
# 669|-> if (!array->count)
# 670| goto cpuid_empty;
# 671|
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c:743:13: warning[-Wanalyzer-null-argument]: use of NULL where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘libxl__cpuid_policy_list_parse_json’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘libxl__cpuid_policy_list_parse_json’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘libxl__cpuid_policy_list_parse_json’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘libxl__cpuid_policy_list_parse_json’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘libxl__cpuid_policy_list_parse_json’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘libxl__cpuid_policy_list_parse_json’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘libxl__cpuid_policy_list_parse_json’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_cpuid.c: scope_hint: In function ‘libxl__cpuid_policy_list_parse_json’
<built-in>: note: argument 1 of ‘__builtin_strlen’ must be non-null
# 741| r = libxl__json_map_get("policy", t, JSON_STRING);
# 742| if (!r) return ERROR_FAIL;
# 743|-> if (strlen(libxl__json_object_get_string(r)) !=
# 744| ARRAY_SIZE(msr[i].policy) - 1)
# 745| return ERROR_FAIL;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_create.c:1378:5: warning[core.NullDereference]: Access to field 'ao' results in a dereference of a null pointer (loaded from variable 'bl')
# 1376| {
# 1377| libxl__domain_create_state *dcs = CONTAINER_OF(bl, *dcs, bl);
# 1378|-> STATE_AO_GC(bl->ao);
# 1379| domcreate_console_available(egc, dcs);
# 1380| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_create.c:1994:41: warning[core.NullDereference]: Access to field 'what' results in a dereference of a null pointer (loaded from variable 'xswa')
# 1992| if (rc) {
# 1993| if (rc == ERROR_TIMEDOUT)
# 1994|-> LOG(ERROR, "%s: timed out", xswa->what);
# 1995| goto out;
# 1996| }
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_device.c: scope_hint: In function ‘libxl__device_list’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_device.c:2110:43: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘dir’
# 2108|
# 2109| if (dt->from_xenstore) {
# 2110|-> int nr = dt->get_num ? *num : atoi(*dir);
# 2111| char *device_path = dt->get_num ? path :
# 2112| GCSPRINTF("%s/%d", path, nr);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_dm.c:871:9: warning[deadcode.DeadStores]: Value stored to 'nr_set_cpus' is never read
# 869| }
# 870|
# 871|-> nr_set_cpus = libxl_bitmap_count_set(&b_info->avail_vcpus);
# 872| s = libxl_bitmap_to_hex_string(CTX, &b_info->avail_vcpus);
# 873| flexarray_vappend(dm_args, "-vcpu_avail",
Error: GCC_ANALYZER_WARNING (CWE-775):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_dm.c: scope_hint: In function ‘libxl__pre_open_qmp_socket’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_dm.c:1151:16: warning[-Wanalyzer-fd-leak]: leak of file descriptor ‘**dmss.build_state.dm_monitor_fd’
# 1149| if (fd < 0) {
# 1150| LOGED(ERROR, domid, "socket() failed");
# 1151|-> return ERROR_FAIL;
# 1152| }
# 1153|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_dm.c:3122:9: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'ev')
# 3120| o = libxl__json_map_get("status", response, JSON_STRING);
# 3121| if (!o) {
# 3122|-> LOGD(ERROR, ev->domid,
# 3123| "Missing 'status' in response to 'query-status'");
# 3124| LOGD(DEBUG, ev->domid, ".. instead, got: %s", JSON(response));
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_dm.c: scope_hint: In function ‘device_model_qmp_cb’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_dm.c:3133:9: warning[-Wanalyzer-null-argument]: use of NULL where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_dm.c:20: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_dm.c: scope_hint: In function ‘device_model_qmp_cb’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_internal.h:38: included_from: Included from here.
/usr/include/string.h:156:12: note: argument 1 of ‘strcmp’ must be non-null
# 3131| else
# 3132| expected_state = "paused";
# 3133|-> if (strcmp(status, expected_state)) {
# 3134| LOGD(ERROR, ev->domid, "Unexpected QEMU status: %s", status);
# 3135| rc = ERROR_NOT_READY;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_dm.c:3143:5: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'ev')
# 3141|
# 3142| failed:
# 3143|-> LOGD(ERROR, ev->domid, "QEMU did not start properly, rc=%d", rc);
# 3144| libxl__spawn_initiate_failure(egc, &dmss->spawn, rc);
# 3145| }
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_dm.c: scope_hint: In function ‘device_model_postconfig_vnc_passwd’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_dm.c:3356:36: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
# 3354| rc = libxl__xs_printf(gc, XBT_NULL,
# 3355| GCSPRINTF("%s/console/vnc-pass", dompath),
# 3356|-> "%s", vnc->passwd);
# 3357|
# 3358| out:
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_domain.c:1216:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 1214| if (r < 0) {
# 1215| LOGEVD(ERROR, r, domid, "xc_domain_pause failed");
# 1216|-> rc = ERROR_FAIL;
# 1217| }
# 1218|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_domain.c:1907:27: warning[deadcode.DeadStores]: Value stored to 'svos' during its initialization is never read
# 1905| {
# 1906| EGC_GC;
# 1907|-> set_vcpuonline_state *svos = CONTAINER_OF(qmp, *svos, qmp);
# 1908|
# 1909| if (rc == ERROR_QMP_COMMAND_NOT_FOUND) {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_domain.c:1911:23: warning[core.NullDereference]: Access to field 'callback' results in a dereference of a null pointer (loaded from variable 'qmp')
# 1909| if (rc == ERROR_QMP_COMMAND_NOT_FOUND) {
# 1910| /* Try again, we probably talking to a QEMU older than 2.12 */
# 1911|-> qmp->callback = set_vcpuonline_qmp_cpus_queried;
# 1912| rc = libxl__ev_qmp_send(egc, qmp, "query-cpus", NULL);
# 1913| if (rc) goto out;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_domain.c:1925:27: warning[deadcode.DeadStores]: Value stored to 'svos' during its initialization is never read
# 1923| {
# 1924| EGC_GC;
# 1925|-> set_vcpuonline_state *svos = CONTAINER_OF(qmp, *svos, qmp);
# 1926|
# 1927| set_vcpuonline_qmp_query_cpus_parse(egc, qmp, response, false, rc);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_domain.c:1979:21: warning[core.NullDereference]: Access to field 'index' results in a dereference of a null pointer (loaded from variable 'svos')
# 1977| /* We are probably connected to a version of QEMU older than 2.7,
# 1978| * let's fallback to using "cpu-add" command. */
# 1979|-> svos->index = -1;
# 1980| set_vcpuonline_qmp_add_cpu(egc, qmp, NULL, 0); /* must be last */
# 1981| return;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_domain.c:2003:17: warning[core.NullDereference]: Access to field 'index' results in a dereference of a null pointer (loaded from variable 'svos')
# 2001|
# 2002| out:
# 2003|-> svos->index = -1;
# 2004| set_vcpuonline_qmp_device_add_cpu(egc, qmp, NULL, rc); /* must be last */
# 2005| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_domain.c:2386:40: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'qmp')
# 2384| if (rc) goto out;
# 2385|
# 2386|-> rc = qmp_parse_query_cpus_fast(gc, qmp->domid, response, &rdcs->qemuu_cpus);
# 2387|
# 2388| out:
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_domain.c:2402:35: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'qmp')
# 2400| if (rc) goto out;
# 2401|
# 2402|-> rc = qmp_parse_query_cpus(gc, qmp->domid, response, &rdcs->qemuu_cpus);
# 2403|
# 2404| out:
Error: GCC_ANALYZER_WARNING (CWE-415):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_exec.c: scope_hint: In function ‘libxl__xenstore_child_wait_deprecated’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_exec.c:212:9: warning[-Wanalyzer-double-free]: double-‘free’ of ‘xs_read(xs_open(0), 0, path, & len)’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_internal.h:26: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_exec.c:20: included_from: Included from here.
/usr/include/sys/select.h:30: included_from: Included from here.
/usr/include/sys/types.h:179: included_from: Included from here.
/usr/include/uuid/uuid.h:38: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_osdeps.h:44: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_exec.c:18: included_from: Included from here.
# 210| return rc;
# 211| again:
# 212|-> free(p);
# 213| FD_ZERO(&rfds);
# 214| FD_SET(xs_fileno(xsh), &rfds);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_internal.c:157:5: warning[deadcode.DeadStores]: Value stored to 'ret' is never read
# 155| s = libxl__zalloc(gc, ret + 1);
# 156| va_copy(aq, ap);
# 157|-> ret = vsnprintf(s, ret + 1, fmt, aq);
# 158| va_end(aq);
# 159|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_mem.c:404:27: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 402|
# 403| if (out_target_memkb)
# 404|-> *out_target_memkb = target_memkb;
# 405|
# 406| if (out_max_memkb)
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_mem.c:454:12: warning[core.CallAndMessage]: 3rd function call argument is an uninitialized value
# 452|
# 453| rc = libxl_get_memory_target(ctx, domid, &my_out_target);
# 454|-> return libxl__memkb_64to32(ctx, rc, my_out_target, out_target);
# 455| }
# 456|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_mem.c:551:12: warning[core.CallAndMessage]: 3rd function call argument is an uninitialized value
# 549|
# 550| rc = libxl_domain_need_memory_0x041200(ctx, b_info_in, &my_need_memkb);
# 551|-> return libxl__memkb_64to32(ctx, rc, my_need_memkb, need_memkb);
# 552| }
# 553|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_netbuffer.c:45:30: warning[core.NullDereference]: Access to field 'concrete_data' results in a dereference of a null pointer (loaded from variable 'cds')
# 43| int rc, ret;
# 44| libxl__domain_save_state *dss = CONTAINER_OF(cds, *dss, cds);
# 45|-> libxl__remus_state *rs = cds->concrete_data;
# 46|
# 47| STATE_AO_GC(cds->ao);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_pci.c:1174:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 1172| return;
# 1173| default:
# 1174|-> rc = ERROR_INVAL;
# 1175| break;
# 1176| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_pci.c:1266:39: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'qmp')
# 1264| if (rc) {
# 1265| /* Retry only applicable for HVM with stubdom. */
# 1266|-> if (libxl_get_stubdom_id(CTX, qmp->domid) == 0)
# 1267| goto out;
# 1268|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_pci.c:1282:19: warning[core.NullDereference]: Access to field 'callback' results in a dereference of a null pointer (loaded from variable 'qmp')
# 1280| }
# 1281|
# 1282|-> qmp->callback = pci_add_qmp_query_pci_cb;
# 1283| rc = libxl__ev_qmp_send(egc, qmp, "query-pci", NULL);
# 1284| if (rc) goto out;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_pci.c:1384:9: warning[core.NullDereference]: Access to field 'domid' results in a dereference of a null pointer (loaded from variable 'qmp')
# 1382| out:
# 1383| if (rc == ERROR_QEMU_API) {
# 1384|-> LOGD(ERROR, qmp->domid,
# 1385| "Unexpected response to QMP cmd 'query-pci', received:\n%s",
# 1386| JSON(response));
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_pci.c:1441:27: warning[deadcode.DeadStores]: Although the value stored to 'size' is used in the enclosing expression, the value is never actually read from 'size'
# 1439| pci->bus, pci->dev, pci->func);
# 1440| f = fopen(sysfs_path, "r");
# 1441|-> start = end = flags = size = 0;
# 1442| irq = 0;
# 1443|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_qmp.c:449:13: warning[deadcode.DeadStores]: Value stored to 'rd' is never read
# 447| s = incomplete;
# 448| s_end = s + rd;
# 449|-> rd = 0;
# 450| }
# 451|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_qmp.c:689:10: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 687|
# 688| qmp_socket = GCSPRINTF("%s/qmp-libxl-%d", libxl__run_dir_path(), domid);
# 689|-> if ((ret = qmp_open(qmp, qmp_socket, QMP_SOCKET_CONNECT_TIMEOUT)) < 0) {
# 690| LOGED(ERROR, domid, "Connection error");
# 691| qmp_free_handler(qmp);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_qmp.c:699:14: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 697| /* Wait for the response to qmp_capabilities */
# 698| while (!qmp->connected) {
# 699|-> if ((ret = qmp_next(gc, qmp)) < 0) {
# 700| break;
# 701| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_qmp.c:1042:11: warning[core.NullDereference]: Access to field 'payload_fd' results in a dereference of a null pointer (loaded from variable 'ev')
# 1040| libxl__domain_suspend_state *dsps = CONTAINER_OF(ev, *dsps, qmp);
# 1041|
# 1042|-> close(ev->payload_fd);
# 1043| ev->payload_fd = -1;
# 1044|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_remus.c:221:19: warning[core.NullDereference]: Access to field 'callback' results in a dereference of a null pointer (loaded from variable 'cds')
# 219|
# 220| libxl__checkpoint_devices_state *const cds = &dss->cds;
# 221|-> cds->callback = remus_devices_postsuspend_cb;
# 222| libxl__checkpoint_devices_postsuspend(egc, cds);
# 223| return;
Error: GCC_ANALYZER_WARNING (CWE-775):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_save_helper.c: scope_hint: In function ‘save_signal_handler’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_save_helper.c:159:1: warning[-Wanalyzer-fd-leak]: leak of file descriptor ‘r’
# 157|
# 158| errno = esave;
# 159|-> }
# 160|
# 161| static void setup_signals(void (*handler)(int))
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_stream_read.c:329:5: warning[core.NullDereference]: Access to field 'ao' results in a dereference of a null pointer (loaded from variable 'dc')
# 327| libxl__stream_read_state *stream = CONTAINER_OF(dc, *stream, dc);
# 328| libxl__sr_hdr *hdr = &stream->hdr;
# 329|-> STATE_AO_GC(dc->ao);
# 330|
# 331| if (rc)
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_stream_read.c:678:5: warning[deadcode.DeadStores]: Value stored to 'emu_hdr' is never read
# 676| goto err;
# 677| }
# 678|-> emu_hdr = rec->body;
# 679|
# 680| sprintf(path, LIBXL_DEVICE_MODEL_RESTORE_FILE".%u", dcs->guest_domid);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_stream_read.c:721:5: warning[core.NullDereference]: Access to field 'ao' results in a dereference of a null pointer (loaded from variable 'dc')
# 719| {
# 720| libxl__stream_read_state *stream = CONTAINER_OF(dc, *stream, emu_dc);
# 721|-> STATE_AO_GC(dc->ao);
# 722|
# 723| libxl__carefd_close(stream->emu_carefd);
Error: GCC_ANALYZER_WARNING (CWE-775):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_internal.h:45: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_utils.c:20: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_utils.c: scope_hint: In function ‘libxl_read_file_contents’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_utils.c:345:22: warning[-Wanalyzer-file-leak]: leak of FILE ‘fopen(filename, "r")’
# 343| }
# 344|
# 345|-> if (!S_ISREG(stab.st_mode)) {
# 346| LOGE(ERROR, "%s is not a plain file", filename);
# 347| errno = ENOTTY;
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_utils.c:345:22: warning[-Wanalyzer-malloc-leak]: leak of ‘fopen(filename, "r")’
# 343| }
# 344|
# 345|-> if (!S_ISREG(stab.st_mode)) {
# 346| LOGE(ERROR, "%s is not a plain file", filename);
# 347| errno = ENOTTY;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_utils.c: scope_hint: In function ‘libxl__sendmsg_fds’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_utils.c:1080:22: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
/usr/include/sys/socket.h:33: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_internal.h:49: included_from: Included from here.
# 1078| /* attach open fd */
# 1079| cmsg = CMSG_FIRSTHDR(&msg);
# 1080|-> cmsg->cmsg_level = SOL_SOCKET;
# 1081| cmsg->cmsg_type = SCM_RIGHTS;
# 1082| cmsg->cmsg_len = CMSG_LEN(spaceneeded);
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_utils.c: scope_hint: In function ‘libxl__recvmsg_fds’
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_utils.c:1141:17: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
# 1139| }
# 1140| cmsg = CMSG_FIRSTHDR(&msg);
# 1141|-> if (cmsg->cmsg_len <= CMSG_LEN(0)) {
# 1142| LOG(ERROR,"recvmsg got no control msg"
# 1143| " when expecting fds (%s)", what);
Error: GCC_ANALYZER_WARNING (CWE-1341):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_utils.c:1167:17: warning[-Wanalyzer-fd-double-close]: double ‘close’ of file descriptor ‘fd’
# 1165| i++, i+=sizeof(fd)) {
# 1166| memcpy(&fd, p, sizeof(fd));
# 1167|-> close(fd);
# 1168| }
# 1169| return ERROR_FAIL;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_vkb.c:292:5: warning[deadcode.DeadStores]: Value stored to 'dompath' is never read
# 290|
# 291| libxl_vkbinfo_init(info);
# 292|-> dompath = libxl__xs_get_dompath(gc, domid);
# 293| info->devid = vkb->devid;
# 294|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/libxl_vsnd.c:600:5: warning[deadcode.DeadStores]: Value stored to 'dompath' is never read
# 598|
# 599| libxl_vsndinfo_init(info);
# 600|-> dompath = libxl__xs_get_dompath(gc, domid);
# 601| info->devid = vsnd->devid;
# 602|
Error: CPPCHECK_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/light/test_common.c:41: error[memleakOnRealloc]: Common realloc mistake: 'poll_fds' nulled but not freed upon failure
# 39|
# 40| assert(poll_nfds > poll_nfds_allocd);
# 41|-> poll_fds = realloc(poll_fds, poll_nfds * sizeof(poll_fds[0]));
# 42| assert(poll_fds);
# 43| poll_nfds_allocd = poll_nfds;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/light/testidl.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c: scope_hint: In function ‘getBridge’
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c:77:22: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL ‘opendir("/sys/class/net")’ where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c:25: included_from: Included from here.
/usr/include/dirent.h:164:23: note: argument 1 of ‘readdir’ must be non-null
# 75|
# 76| d = opendir("/sys/class/net");
# 77|-> while ((de = readdir(d)) != NULL) {
# 78| if ((strlen(de->d_name) > 0) && (de->d_name[0] != '.')
# 79| && (strstr(de->d_name, excludeName) == NULL)) {
Error: CPPCHECK_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c:168: error[memleakOnRealloc]: Common realloc mistake: 'tmp' nulled but not freed upon failure
# 166| /* Col variable contains current id of non-empty match */
# 167| col++;
# 168|-> tmp = (char *)realloc(tmp, (matches[i].rm_eo -
# 169| matches[i].rm_so + 1) * sizeof(char));
# 170| for (x = matches[i].rm_so; x < matches[i].rm_eo; x++)
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c: scope_hint: In function ‘parseNetDevLine’
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c:230:54: warning[-Wanalyzer-null-argument]: use of NULL ‘tmp’ where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c: scope_hint: In function ‘parseNetDevLine’
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c:30: included_from: Included from here.
/usr/include/string.h:323:14: note: argument 1 of ‘strpbrk’ must be non-null
# 228| }
# 229| else if (iface != NULL) {
# 230|-> char *tmp2 = strpbrk(tmp, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
# 231| if (tmp2 != NULL)
# 232| strcpy(iface, tmp2);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c:469:7: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 467|
# 468| if ((read_attributes_vbd(dp->d_name, "statistics/oo_req", buf, 256)<=0) ||
# 469|-> ((ret = sscanf(buf, "%llu", &vbd.oo_reqs)) != 1) ||
# 470| (read_attributes_vbd(dp->d_name, "statistics/rd_req", buf, 256)<=0) ||
# 471| ((ret = sscanf(buf, "%llu", &vbd.rd_reqs)) != 1) ||
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c:471:7: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 469| ((ret = sscanf(buf, "%llu", &vbd.oo_reqs)) != 1) ||
# 470| (read_attributes_vbd(dp->d_name, "statistics/rd_req", buf, 256)<=0) ||
# 471|-> ((ret = sscanf(buf, "%llu", &vbd.rd_reqs)) != 1) ||
# 472| (read_attributes_vbd(dp->d_name, "statistics/wr_req", buf, 256)<=0) ||
# 473| ((ret = sscanf(buf, "%llu", &vbd.wr_reqs)) != 1) ||
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c:473:7: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 471| ((ret = sscanf(buf, "%llu", &vbd.rd_reqs)) != 1) ||
# 472| (read_attributes_vbd(dp->d_name, "statistics/wr_req", buf, 256)<=0) ||
# 473|-> ((ret = sscanf(buf, "%llu", &vbd.wr_reqs)) != 1) ||
# 474| (read_attributes_vbd(dp->d_name, "statistics/rd_sect", buf, 256)<=0) ||
# 475| ((ret = sscanf(buf, "%llu", &vbd.rd_sects)) != 1) ||
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c:475:7: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 473| ((ret = sscanf(buf, "%llu", &vbd.wr_reqs)) != 1) ||
# 474| (read_attributes_vbd(dp->d_name, "statistics/rd_sect", buf, 256)<=0) ||
# 475|-> ((ret = sscanf(buf, "%llu", &vbd.rd_sects)) != 1) ||
# 476| (read_attributes_vbd(dp->d_name, "statistics/wr_sect", buf, 256)<=0) ||
# 477| ((ret = sscanf(buf, "%llu", &vbd.wr_sects)) != 1))
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_linux.c:477:7: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 475| ((ret = sscanf(buf, "%llu", &vbd.rd_sects)) != 1) ||
# 476| (read_attributes_vbd(dp->d_name, "statistics/wr_sect", buf, 256)<=0) ||
# 477|-> ((ret = sscanf(buf, "%llu", &vbd.wr_sects)) != 1))
# 478| {
# 479| vbd.error = 1;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_qmp.c:107:14: warning[core.NullDereference]: Access to field 'len' results in a dereference of a null pointer
# 105| goto done;
# 106|
# 107|-> for (i=0; i<YAJL_GET_ARRAY(ret_obj)->len; i++) {
# 108| n = YAJL_GET_ARRAY(ret_obj)->values[i];
# 109|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_qmp.c:220:14: warning[core.NullDereference]: Access to field 'len' results in a dereference of a null pointer
# 218|
# 219| /* Array of devices */
# 220|-> for (i=0; i<YAJL_GET_ARRAY(ret_obj)->len; i++) {
# 221| memset(&vbd, 0, sizeof(xenstat_vbd));
# 222| qmp_devname = NULL;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_qmp.c: scope_hint: In function ‘qmp_parse_stats’
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_qmp.c:220:44: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_qmp.c:38: included_from: Included from here.
# 218|
# 219| /* Array of devices */
# 220|-> for (i=0; i<YAJL_GET_ARRAY(ret_obj)->len; i++) {
# 221| memset(&vbd, 0, sizeof(xenstat_vbd));
# 222| qmp_devname = NULL;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/stat/xenstat_qmp.c:298:10: warning[deadcode.DeadStores]: Although the value stored to 'n' is used in the enclosing expression, the value is never actually read from 'n'
# 296| pfd[0].fd = qfd;
# 297| pfd[0].events = POLLIN;
# 298|-> while ((n = poll(pfd, 1, 10)) > 0) {
# 299| if (pfd[0].revents & POLLIN) {
# 300| if ((n = read(qfd, buf, sizeof(buf))) <= 0) {
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/store/xs.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/libs/store/xs.c: scope_hint: In function ‘get_handle’
xen-4.18.1-build/xen-4.18.1/tools/libs/store/xs.c:254:13: warning[-Wanalyzer-null-argument]: use of NULL ‘connect_to’ where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/libs/store/xs.c: scope_hint: In function ‘get_handle’
xen-4.18.1-build/xen-4.18.1/tools/libs/store/xs.c:37: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/include/xen-tools/xenstore-common.h: scope_hint: In function ‘get_handle’
xen-4.18.1-build/xen-4.18.1/tools/include/xen-tools/xenstore-common.h: scope_hint: In function ‘get_handle’
/usr/include/bits/types/stack_t.h:23: included_from: Included from here.
/usr/include/signal.h:313: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/store/xs.c:33: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/libs/store/xs.c: scope_hint: In function ‘get_handle’
xen-4.18.1-build/xen-4.18.1/tools/libs/store/xs.c:22: included_from: Included from here.
/usr/include/sys/stat.h:205:12: note: argument 1 of ‘stat’ must be non-null
# 252| xentoolcore__register_active_handle(&h->tc_ah);
# 253|
# 254|-> if (stat(connect_to, &buf) != 0)
# 255| goto err;
# 256|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/store/xs.c:668:8: warning[unix.Malloc]: Potential leak of memory pointed to by 'strings'
# 666| /* If XS_DIRECTORY_PART isn't supported return E2BIG. */
# 667| if (!result) {
# 668|-> if (errno == ENOSYS)
# 669| errno = E2BIG;
# 670| return NULL;
Error: CPPCHECK_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/store/xs.c:685: error[memleakOnRealloc]: Common realloc mistake: 'strings' nulled but not freed upon failure
# 683|
# 684| result_len -= strlen(result) + 1;
# 685|-> strings = realloc(strings, off + result_len);
# 686| memcpy(strings + off, result + strlen(result) + 1, result_len);
# 687| free(result);
Error: GCC_ANALYZER_WARNING (CWE-775):
xen-4.18.1-build/xen-4.18.1/tools/libs/toolcore/handlereg.c: scope_hint: In function ‘xentoolcore__restrict_by_dup2_null’
xen-4.18.1-build/xen-4.18.1/tools/libs/toolcore/handlereg.c:87:5: warning[-Wanalyzer-fd-leak]: leak of file descriptor ‘r’
# 85| if (r < 0) goto err;
# 86|
# 87|-> close(nullfd);
# 88| return 0;
# 89|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/toollog/xtl_logger_stdio.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg.c:288:5: warning[deadcode.DeadStores]: Value stored to 'e' is never read
# 286| }
# 287| errno= 0; l= strtol(set->value->u.string, &ep, 0);
# 288|-> e= errno;
# 289| if (errno) {
# 290| e= errno;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c: scope_hint: In function ‘xlu__cfg_yy_create_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1721:12: warning[-Wanalyzer-malloc-leak]: leak of ‘malloc(64)’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1707:21: note: in expansion of macro ‘yy_create_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1711:31: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c: scope_hint: In function ‘xlu__cfg_yy_create_buffer’
# 1719| */
# 1720| b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) , yyscanner );
# 1721|-> if ( ! b->yy_ch_buf )
# 1722| YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
# 1723|
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c: scope_hint: In function ‘xlu__cfg_yy_create_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1721:12: warning[-Wanalyzer-malloc-leak]: leak of ‘xlu__cfg_yyalloc(64, yyscanner)’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1707:21: note: in expansion of macro ‘yy_create_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1711:31: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:2344:7: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1711:31: note: in expansion of macro ‘yyalloc’
# 1719| */
# 1720| b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) , yyscanner );
# 1721|-> if ( ! b->yy_ch_buf )
# 1722| YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
# 1723|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c: scope_hint: In function ‘xlu__cfg_yy_init_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1763:26: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘b’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1454:40: note: in expansion of macro ‘YY_MORE_ADJ’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1457:25: note: in expansion of macro ‘yyrestart’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1457:25: note: in expansion of macro ‘yyrestart’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1642:10: note: in expansion of macro ‘yyrestart’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1652:9: note: in expansion of macro ‘yy_init_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1652:9: note: in expansion of macro ‘yy_init_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1652:9: note: in expansion of macro ‘yy_init_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1755:17: note: in expansion of macro ‘yy_init_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1761:9: note: in expansion of macro ‘yy_flush_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1784:10: note: in expansion of macro ‘yy_flush_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1761:9: note: in expansion of macro ‘yy_flush_buffer’
# 1761| yy_flush_buffer( b , yyscanner);
# 1762|
# 1763|-> b->yy_input_file = file;
# 1764| b->yy_fill_buffer = 1;
# 1765|
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c: scope_hint: In function ‘xlu__cfg_yy_scan_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1981:32: warning[-Wanalyzer-malloc-leak]: leak of ‘malloc(n)’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1965:17: note: in expansion of macro ‘yy_scan_bytes’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1974:24: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c: scope_hint: In function ‘xlu__cfg_yy_scan_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1983:13: note: in expansion of macro ‘yy_scan_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1915:17: note: in expansion of macro ‘yy_scan_buffer’
# 1979| buf[i] = yybytes[i];
# 1980|
# 1981|-> buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
# 1982|
# 1983| b = yy_scan_buffer( buf, n , yyscanner);
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c: scope_hint: In function ‘xlu__cfg_yy_scan_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1981:32: warning[-Wanalyzer-malloc-leak]: leak of ‘xlu__cfg_yyalloc(n, yyscanner)’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1965:17: note: in expansion of macro ‘yy_scan_bytes’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1974:24: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:2344:7: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1974:24: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1983:13: note: in expansion of macro ‘yy_scan_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_l.c:1915:17: note: in expansion of macro ‘yy_scan_buffer’
# 1979| buf[i] = yybytes[i];
# 1980|
# 1981|-> buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
# 1982|
# 1983| b = yy_scan_buffer( buf, n , yyscanner);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_y.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_y.c: scope_hint: In function ‘xlu__cfg_yyparse’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_y.c:383:7: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘yyss’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_y.c:368:9: note: in expansion of macro ‘YYCOPY’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_y.c:1275:9: note: in expansion of macro ‘YYSTACK_RELOCATE’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_y.c:383:25: note: in definition of macro ‘YYCOPY’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_y.c:1275:9: note: in expansion of macro ‘YYSTACK_RELOCATE’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_y.c:368:9: note: in expansion of macro ‘YYCOPY’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_y.c:1275:9: note: in expansion of macro ‘YYSTACK_RELOCATE’
# 381| # if defined __GNUC__ && 1 < __GNUC__
# 382| # define YYCOPY(Dst, Src, Count) \
# 383|-> __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src)))
# 384| # else
# 385| # define YYCOPY(Dst, Src, Count) \
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_cfg_y.c:1394:9: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘*<unknown>.string’
# 1392| unconditionally makes the parser a bit smaller, and it avoids a
# 1393| GCC warning that YYVAL may be used uninitialized. */
# 1394|-> yyval = yyvsp[1-yylen];
# 1395|
# 1396| /* Default location. */
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c: scope_hint: In function ‘xlu__disk_yy_create_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2336:12: warning[-Wanalyzer-malloc-leak]: leak of ‘malloc(64)’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2322:21: note: in expansion of macro ‘yy_create_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2326:24: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c: scope_hint: In function ‘xlu__disk_yy_create_buffer’
# 2334| * we need to put in 2 end-of-buffer characters.
# 2335| */
# 2336|-> b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) , yyscanner );
# 2337| if ( ! b->yy_ch_buf )
# 2338| YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c: scope_hint: In function ‘xlu__disk_yy_create_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2336:12: warning[-Wanalyzer-malloc-leak]: leak of ‘xlu__disk_yyalloc(64, yyscanner)’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2322:21: note: in expansion of macro ‘yy_create_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2326:24: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2943:7: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2326:24: note: in expansion of macro ‘yyalloc’
# 2334| * we need to put in 2 end-of-buffer characters.
# 2335| */
# 2336|-> b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) , yyscanner );
# 2337| if ( ! b->yy_ch_buf )
# 2338| YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c: scope_hint: In function ‘xlu__disk_yy_init_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2378:19: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘b’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2081:40: note: in expansion of macro ‘YY_MORE_ADJ’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2084:25: note: in expansion of macro ‘yyrestart’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2084:25: note: in expansion of macro ‘yyrestart’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2257:10: note: in expansion of macro ‘yyrestart’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2267:2: note: in expansion of macro ‘yy_init_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2267:2: note: in expansion of macro ‘yy_init_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2267:2: note: in expansion of macro ‘yy_init_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2370:17: note: in expansion of macro ‘yy_init_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2376:2: note: in expansion of macro ‘yy_flush_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2399:10: note: in expansion of macro ‘yy_flush_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2376:2: note: in expansion of macro ‘yy_flush_buffer’
# 2376|
# 2377| yy_flush_buffer( b , yyscanner);
# 2378|->
# 2379| b->yy_input_file = file;
# 2380| b->yy_fill_buffer = 1;
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c: scope_hint: In function ‘xlu__disk_yy_scan_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2596:25: warning[-Wanalyzer-malloc-leak]: leak of ‘malloc(n)’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2580:17: note: in expansion of macro ‘yy_scan_bytes’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2589:24: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c: scope_hint: In function ‘xlu__disk_yy_scan_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2598:6: note: in expansion of macro ‘yy_scan_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2530:17: note: in expansion of macro ‘yy_scan_buffer’
# 2594| for ( i = 0; i < _yybytes_len; ++i )
# 2595| buf[i] = yybytes[i];
# 2596|->
# 2597| buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
# 2598|
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c: scope_hint: In function ‘xlu__disk_yy_scan_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2596:25: warning[-Wanalyzer-malloc-leak]: leak of ‘xlu__disk_yyalloc(n, yyscanner)’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2580:17: note: in expansion of macro ‘yy_scan_bytes’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2589:24: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2943:7: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2589:24: note: in expansion of macro ‘yyalloc’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2598:6: note: in expansion of macro ‘yy_scan_buffer’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_disk_l.c:2530:17: note: in expansion of macro ‘yy_scan_buffer’
# 2594| for ( i = 0; i < _yybytes_len; ++i )
# 2595| buf[i] = yybytes[i];
# 2596|->
# 2597| buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
# 2598|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_pci.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_pci.c: scope_hint: In function ‘xlu_pci_parse_spec_string’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_pci.c:211:1: warning[-Wanalyzer-malloc-leak]: leak of ‘key’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_pci.c:196:13: note: in expansion of macro ‘XLU__PCI_ERR’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_pci.c:196:13: note: in expansion of macro ‘XLU__PCI_ERR’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_pci.c:196:13: note: in expansion of macro ‘XLU__PCI_ERR’
# 209|
# 210| return 0;
# 211|-> }
# 212|
# 213| int xlu_rdm_parse(XLU_Config *cfg, libxl_rdm_reserve *rdm, const char *str)
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_pci.c:211:1: warning[-Wanalyzer-malloc-leak]: leak of ‘val’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_pci.c:196:13: note: in expansion of macro ‘XLU__PCI_ERR’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_pci.c:196:13: note: in expansion of macro ‘XLU__PCI_ERR’
xen-4.18.1-build/xen-4.18.1/tools/libs/util/libxlu_pci.c:196:13: note: in expansion of macro ‘XLU__PCI_ERR’
# 209|
# 210| return 0;
# 211|-> }
# 212|
# 213| int xlu_rdm_parse(XLU_Config *cfg, libxl_rdm_reserve *rdm, const char *str)
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/vchan/init.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c: scope_hint: In function ‘xenaccess_init’
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:209:26: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘xenaccess’
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:201:5: note: in expansion of macro ‘DPRINTF’
# 207|
# 208| /* Open connection to xen */
# 209|-> xenaccess->xc_handle = xch;
# 210|
# 211| /* Set domain id */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:673:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 671|
# 672| if ( breakpoint )
# 673|-> rc = xc_monitor_software_breakpoint(xch, domain_id, 0);
# 674| if ( debug )
# 675| rc = xc_monitor_debug_exceptions(xch, domain_id, 0, 0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:675:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 673| rc = xc_monitor_software_breakpoint(xch, domain_id, 0);
# 674| if ( debug )
# 675|-> rc = xc_monitor_debug_exceptions(xch, domain_id, 0, 0);
# 676| if ( cpuid )
# 677| rc = xc_monitor_cpuid(xch, domain_id, 0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:677:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 675| rc = xc_monitor_debug_exceptions(xch, domain_id, 0, 0);
# 676| if ( cpuid )
# 677|-> rc = xc_monitor_cpuid(xch, domain_id, 0);
# 678| if ( desc_access )
# 679| rc = xc_monitor_descriptor_access(xch, domain_id, 0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:679:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 677| rc = xc_monitor_cpuid(xch, domain_id, 0);
# 678| if ( desc_access )
# 679|-> rc = xc_monitor_descriptor_access(xch, domain_id, 0);
# 680| if ( write_ctrlreg_cr4 )
# 681| rc = xc_monitor_write_ctrlreg(xch, domain_id, VM_EVENT_X86_CR4, 0, 0, 0, 0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:681:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 679| rc = xc_monitor_descriptor_access(xch, domain_id, 0);
# 680| if ( write_ctrlreg_cr4 )
# 681|-> rc = xc_monitor_write_ctrlreg(xch, domain_id, VM_EVENT_X86_CR4, 0, 0, 0, 0);
# 682|
# 683| if ( privcall )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:684:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 682|
# 683| if ( privcall )
# 684|-> rc = xc_monitor_privileged_call(xch, domain_id, 0);
# 685|
# 686| if ( altp2m )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:688:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 686| if ( altp2m )
# 687| {
# 688|-> rc = xc_altp2m_switch_to_view( xch, domain_id, 0 );
# 689| rc = xc_altp2m_destroy_view(xch, domain_id, altp2m_view_id);
# 690| rc = xc_altp2m_set_domain_state(xch, domain_id, 0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:689:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 687| {
# 688| rc = xc_altp2m_switch_to_view( xch, domain_id, 0 );
# 689|-> rc = xc_altp2m_destroy_view(xch, domain_id, altp2m_view_id);
# 690| rc = xc_altp2m_set_domain_state(xch, domain_id, 0);
# 691| rc = xc_monitor_singlestep(xch, domain_id, 0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:690:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 688| rc = xc_altp2m_switch_to_view( xch, domain_id, 0 );
# 689| rc = xc_altp2m_destroy_view(xch, domain_id, altp2m_view_id);
# 690|-> rc = xc_altp2m_set_domain_state(xch, domain_id, 0);
# 691| rc = xc_monitor_singlestep(xch, domain_id, 0);
# 692| } else {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:691:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 689| rc = xc_altp2m_destroy_view(xch, domain_id, altp2m_view_id);
# 690| rc = xc_altp2m_set_domain_state(xch, domain_id, 0);
# 691|-> rc = xc_monitor_singlestep(xch, domain_id, 0);
# 692| } else {
# 693| rc = xc_set_mem_access(xch, domain_id, XENMEM_access_rwx, ~0ull, 0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:693:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 691| rc = xc_monitor_singlestep(xch, domain_id, 0);
# 692| } else {
# 693|-> rc = xc_set_mem_access(xch, domain_id, XENMEM_access_rwx, ~0ull, 0);
# 694| rc = xc_set_mem_access(xch, domain_id, XENMEM_access_rwx, START_PFN,
# 695| (xenaccess->max_gpfn - START_PFN) );
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-access.c:694:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 692| } else {
# 693| rc = xc_set_mem_access(xch, domain_id, XENMEM_access_rwx, ~0ull, 0);
# 694|-> rc = xc_set_mem_access(xch, domain_id, XENMEM_access_rwx, START_PFN,
# 695| (xenaccess->max_gpfn - START_PFN) );
# 696| }
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-cpuid.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-hvmcrash.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-hvmctx.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-livepatch.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-mceinj.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-mceinj.c:235:5: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 233| if ( !cpumap )
# 234| err(xc_handle, "Failed to allocate cpumap\n");
# 235|-> memset(cpumap, 0, cpumap_size);
# 236| line = cpu / 8;
# 237| shift = cpu % 8;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-memshare.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-mfndump.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-ucode.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xen-vmtrace.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-775):
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c: scope_hint: In function ‘cov_read’
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c:83:1: warning[-Wanalyzer-file-leak]: leak of FILE ‘f’
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c:25: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/include/xenctrl.h:322:17: note: in expansion of macro ‘HYPERCALL_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/include/xenctrl.h:330:5: note: in expansion of macro ‘set_xen_guest_handle_impl’
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c:39:5: note: in expansion of macro ‘set_xen_guest_handle’
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c:59:9: note: in expansion of macro ‘xc_hypercall_buffer_alloc’
xen-4.18.1-build/xen-4.18.1/tools/include/xenctrl.h:343:88: note: in expansion of macro ‘HYPERCALL_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c:59:9: note: in expansion of macro ‘xc_hypercall_buffer_alloc’
xen-4.18.1-build/xen-4.18.1/tools/include/xenctrl.h:345:79: note: in expansion of macro ‘HYPERCALL_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c:82:5: note: in expansion of macro ‘xc_hypercall_buffer_free’
# 81|
# 82| xc_hypercall_buffer_free(xch, p);
# 83|-> }
# 84|
# 85| static void cov_reset(void)
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c:83:1: warning[-Wanalyzer-malloc-leak]: leak of ‘f’
xen-4.18.1-build/xen-4.18.1/tools/include/xenctrl.h:322:17: note: in expansion of macro ‘HYPERCALL_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/include/xenctrl.h:330:5: note: in expansion of macro ‘set_xen_guest_handle_impl’
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c:39:5: note: in expansion of macro ‘set_xen_guest_handle’
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c:59:9: note: in expansion of macro ‘xc_hypercall_buffer_alloc’
xen-4.18.1-build/xen-4.18.1/tools/include/xenctrl.h:343:88: note: in expansion of macro ‘HYPERCALL_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c:59:9: note: in expansion of macro ‘xc_hypercall_buffer_alloc’
xen-4.18.1-build/xen-4.18.1/tools/include/xenctrl.h:345:79: note: in expansion of macro ‘HYPERCALL_BUFFER’
xen-4.18.1-build/xen-4.18.1/tools/misc/xencov.c:82:5: note: in expansion of macro ‘xc_hypercall_buffer_free’
# 81|
# 82| xc_hypercall_buffer_free(xch, p);
# 83|-> }
# 84|
# 85| static void cov_reset(void)
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xenhypfs.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xenlockprof.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xenperf.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c: scope_hint: In function ‘print_cxstat’
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:150:9: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘cxstatinfo.cc’
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:26: included_from: Included from here.
# 148| for ( i = 0; i < cxstat->nr; i++ )
# 149| {
# 150|-> printf("C%-20d: transition [%20"PRIu64"]\n",
# 151| i, cxstat->triggers[i]);
# 152| printf(" residency [%20"PRIu64" ms]\n",
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:156:24: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘cxstatinfo.cc’
# 154| }
# 155| for ( i = 0; i < MAX_PKG_RESIDENCIES && i < cxstat->nr_pc; ++i )
# 156|-> if ( cxstat->pc[i] )
# 157| printf("pc%d : [%20"PRIu64" ms]\n", i + 1,
# 158| cxstat->pc[i] / 1000000UL);
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:160:24: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘cxstatinfo.cc’
# 158| cxstat->pc[i] / 1000000UL);
# 159| for ( i = 0; i < MAX_CORE_RESIDENCIES && i < cxstat->nr_cc; ++i )
# 160|-> if ( cxstat->cc[i] )
# 161| printf("cc%d : [%20"PRIu64" ms]\n", i + 1,
# 162| cxstat->cc[i] / 1000000UL);
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c: scope_hint: In function ‘get_cxstat_by_cpuid’
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:187:22: warning[-Wanalyzer-malloc-leak]: leak of ‘*cxstat.cc’
# 185| cxstat->cc = calloc(MAX_CORE_RESIDENCIES, sizeof(*cxstat->cc));
# 186| if ( !cxstat->triggers || !cxstat->residencies ||
# 187|-> !cxstat->pc || !cxstat->cc )
# 188| {
# 189| free(cxstat->cc);
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:187:22: warning[-Wanalyzer-malloc-leak]: leak of ‘*cxstat.pc’
# 185| cxstat->cc = calloc(MAX_CORE_RESIDENCIES, sizeof(*cxstat->cc));
# 186| if ( !cxstat->triggers || !cxstat->residencies ||
# 187|-> !cxstat->pc || !cxstat->cc )
# 188| {
# 189| free(cxstat->cc);
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:187:22: warning[-Wanalyzer-malloc-leak]: leak of ‘*cxstat.residencies’
# 185| cxstat->cc = calloc(MAX_CORE_RESIDENCIES, sizeof(*cxstat->cc));
# 186| if ( !cxstat->triggers || !cxstat->residencies ||
# 187|-> !cxstat->pc || !cxstat->cc )
# 188| {
# 189| free(cxstat->cc);
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:187:22: warning[-Wanalyzer-malloc-leak]: leak of ‘*cxstat.triggers’
# 185| cxstat->cc = calloc(MAX_CORE_RESIDENCIES, sizeof(*cxstat->cc));
# 186| if ( !cxstat->triggers || !cxstat->residencies ||
# 187|-> !cxstat->pc || !cxstat->cc )
# 188| {
# 189| free(cxstat->cc);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:189:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 187| !cxstat->pc || !cxstat->cc )
# 188| {
# 189|-> free(cxstat->cc);
# 190| free(cxstat->pc);
# 191| free(cxstat->residencies);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:190:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 188| {
# 189| free(cxstat->cc);
# 190|-> free(cxstat->pc);
# 191| free(cxstat->residencies);
# 192| free(cxstat->triggers);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:191:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 189| free(cxstat->cc);
# 190| free(cxstat->pc);
# 191|-> free(cxstat->residencies);
# 192| free(cxstat->triggers);
# 193| return -ENOMEM;
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:192:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 190| free(cxstat->pc);
# 191| free(cxstat->residencies);
# 192|-> free(cxstat->triggers);
# 193| return -ENOMEM;
# 194| }
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:204:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 202| {
# 203| ret = -errno;
# 204|-> free(cxstat->triggers);
# 205| free(cxstat->residencies);
# 206| free(cxstat->pc);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:205:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 203| ret = -errno;
# 204| free(cxstat->triggers);
# 205|-> free(cxstat->residencies);
# 206| free(cxstat->pc);
# 207| free(cxstat->cc);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:206:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 204| free(cxstat->triggers);
# 205| free(cxstat->residencies);
# 206|-> free(cxstat->pc);
# 207| free(cxstat->cc);
# 208| cxstat->triggers = NULL;
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:207:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 205| free(cxstat->residencies);
# 206| free(cxstat->pc);
# 207|-> free(cxstat->cc);
# 208| cxstat->triggers = NULL;
# 209| cxstat->residencies = NULL;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:290:5: warning[core.CallAndMessage]: 2nd function call argument is an uninitialized value
# 288|
# 289| printf("cpu id : %d\n", cpuid);
# 290|-> printf("total P-states : %d\n", pxstat->total);
# 291| printf("usable P-states : %d\n", pxstat->usable);
# 292| printf("current frequency : %"PRIu64" MHz\n",
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:293:12: warning[core.NullDereference]: Dereference of null pointer
# 291| printf("usable P-states : %d\n", pxstat->usable);
# 292| printf("current frequency : %"PRIu64" MHz\n",
# 293|-> pxstat->pt[pxstat->cur].freq);
# 294| for ( i = 0; i < pxstat->total; i++ )
# 295| {
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c: scope_hint: In function ‘print_pxstat’
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:300:9: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘pxstatinfo.pt’
# 298| else
# 299| printf("P%-10d", i);
# 300|-> printf("[%4"PRIu64" MHz]", pxstat->pt[i].freq);
# 301| printf(": transition [%20"PRIu64"]\n",
# 302| pxstat->pt[i].count);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c: scope_hint: In function ‘get_pxstat_by_cpuid’
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:322:24: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘malloc’ from within signal handler
# 320| return -EINVAL;
# 321|
# 322|-> pxstat->trans_pt = malloc(max_px_num * max_px_num *
# 323| sizeof(uint64_t));
# 324| if ( !pxstat->trans_pt )
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:326:18: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘malloc’ from within signal handler
# 324| if ( !pxstat->trans_pt )
# 325| return -ENOMEM;
# 326|-> pxstat->pt = malloc(max_px_num * sizeof(struct xc_px_val));
# 327| if ( !pxstat->pt )
# 328| {
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:327:8: warning[-Wanalyzer-malloc-leak]: leak of ‘*pxstat.pt’
# 325| return -ENOMEM;
# 326| pxstat->pt = malloc(max_px_num * sizeof(struct xc_px_val));
# 327|-> if ( !pxstat->pt )
# 328| {
# 329| free(pxstat->trans_pt);
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:327:8: warning[-Wanalyzer-malloc-leak]: leak of ‘*pxstat.trans_pt’
# 325| return -ENOMEM;
# 326| pxstat->pt = malloc(max_px_num * sizeof(struct xc_px_val));
# 327|-> if ( !pxstat->pt )
# 328| {
# 329| free(pxstat->trans_pt);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:329:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 327| if ( !pxstat->pt )
# 328| {
# 329|-> free(pxstat->trans_pt);
# 330| return -ENOMEM;
# 331| }
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:337:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 335| {
# 336| ret = -errno;
# 337|-> free(pxstat->trans_pt);
# 338| free(pxstat->pt);
# 339| pxstat->trans_pt = NULL;
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:338:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 336| ret = -errno;
# 337| free(pxstat->trans_pt);
# 338|-> free(pxstat->pt);
# 339| pxstat->trans_pt = NULL;
# 340| pxstat->pt = NULL;
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c: scope_hint: In function ‘signal_int_handler’
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:443:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘fprintf’ from within signal handler
# 441| if ( xc_cputopoinfo(xc_handle, &max_cpus, NULL) != 0 )
# 442| {
# 443|-> fprintf(stderr, "failed to discover number of CPUs: %s\n",
# 444| strerror(errno));
# 445| goto out;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:469:70: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
# 467| for ( j = 0; j < cxstat_end[i].nr; j++ )
# 468| {
# 469|-> int64_t diff = (int64_t)cxstat_end[i].residencies[j] -
# 470| (int64_t)cxstat_start[i].residencies[j];
# 471| if ( diff >=0 )
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:482:53: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
# 480| if ( !get_pxstat_by_cpuid(xc_handle, i , &pxstat_end[i]) )
# 481| for ( j = 0; j < pxstat_end[i].total; j++ )
# 482|-> sum_px[i] += pxstat_end[i].pt[j].residency -
# 483| pxstat_start[i].pt[j].residency;
# 484| }
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:489:5: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘printf’ from within signal handler
# 487| get_avgfreq_by_cpuid(xc_handle, i, &avgfreq[i]);
# 488|
# 489|-> printf("Elapsed time (ms): %"PRIu64"\n", (usec_end - usec_start) / 1000UL);
# 490| for ( i = 0; i < max_cpu_nr; i++ )
# 491| {
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:495:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘printf’ from within signal handler
# 493| double avg_res;
# 494|
# 495|-> printf("\nCPU%d:\tResidency(ms)\t\tAvg Res(ms)\n",i);
# 496| if ( cx_cap && sum_cx[i] > 0 )
# 497| {
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:624:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 622| for ( i = 0; i < 2 * max_cpu_nr; i++ )
# 623| {
# 624|-> free(cxstat[i].triggers);
# 625| free(cxstat[i].residencies);
# 626| free(cxstat[i].pc);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:625:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 623| {
# 624| free(cxstat[i].triggers);
# 625|-> free(cxstat[i].residencies);
# 626| free(cxstat[i].pc);
# 627| free(cxstat[i].cc);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:626:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 624| free(cxstat[i].triggers);
# 625| free(cxstat[i].residencies);
# 626|-> free(cxstat[i].pc);
# 627| free(cxstat[i].cc);
# 628| free(pxstat[i].trans_pt);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:627:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 625| free(cxstat[i].residencies);
# 626| free(cxstat[i].pc);
# 627|-> free(cxstat[i].cc);
# 628| free(pxstat[i].trans_pt);
# 629| free(pxstat[i].pt);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:628:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 626| free(cxstat[i].pc);
# 627| free(cxstat[i].cc);
# 628|-> free(pxstat[i].trans_pt);
# 629| free(pxstat[i].pt);
# 630| }
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:629:9: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 627| free(cxstat[i].cc);
# 628| free(pxstat[i].trans_pt);
# 629|-> free(pxstat[i].pt);
# 630| }
# 631| free(cxstat);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:631:5: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 629| free(pxstat[i].pt);
# 630| }
# 631|-> free(cxstat);
# 632| free(pxstat);
# 633| free(sum);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:632:5: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 630| }
# 631| free(cxstat);
# 632|-> free(pxstat);
# 633| free(sum);
# 634| free(avgfreq);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:633:5: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 631| free(cxstat);
# 632| free(pxstat);
# 633|-> free(sum);
# 634| free(avgfreq);
# 635| out:
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:634:5: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 632| free(pxstat);
# 633| free(sum);
# 634|-> free(avgfreq);
# 635| out:
# 636| free(cputopo);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:636:5: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘free’ from within signal handler
# 634| free(avgfreq);
# 635| out:
# 636|-> free(cputopo);
# 637| xc_interface_close(xc_handle);
# 638| exit(0);
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:638:5: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘exit’ from within signal handler
xen-4.18.1-build/xen-4.18.1/tools/misc/xenpm.c:638:5: note: ‘_exit’ is a possible signal-safe alternative for ‘exit’
# 636| free(cputopo);
# 637| xc_interface_close(xc_handle);
# 638|-> exit(0);
# 639| }
# 640|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/misc/xenwatchdogd.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenwatchdogd.c: scope_hint: In function ‘catch_exit’
xen-4.18.1-build/xen-4.18.1/tools/misc/xenwatchdogd.c:43:5: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘exit’ from within signal handler
xen-4.18.1-build/xen-4.18.1/tools/misc/xenwatchdogd.c:43:5: note: ‘_exit’ is a possible signal-safe alternative for ‘exit’
# 41| if (id)
# 42| xc_watchdog(h, id, 300);
# 43|-> exit(0);
# 44| }
# 45|
Error: GCC_ANALYZER_WARNING (CWE-479):
xen-4.18.1-build/xen-4.18.1/tools/misc/xenwatchdogd.c: scope_hint: In function ‘catch_usr1’
xen-4.18.1-build/xen-4.18.1/tools/misc/xenwatchdogd.c:50:5: warning[-Wanalyzer-unsafe-call-within-signal-handler]: call to ‘exit’ from within signal handler
xen-4.18.1-build/xen-4.18.1/tools/misc/xenwatchdogd.c:50:5: note: ‘_exit’ is a possible signal-safe alternative for ‘exit’
# 48| if (id)
# 49| xc_watchdog(h, id, 0);
# 50|-> exit(0);
# 51| }
# 52|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/ocaml/libs/xc/xenctrl_stubs.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/ocaml/xenstored/select_stubs.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/python/xen/lowlevel/xc/xc.c:170:11: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 168| config.grant_opts = XEN_DOMCTL_GRANT_version(max_grant_version);
# 169|
# 170|-> if ( (ret = xc_domain_create(self->xc_handle, &dom, &config)) < 0 )
# 171| return pyxc_error_to_exception(self->xc_handle);
# 172|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/python/xen/lowlevel/xc/xc.c:174:15: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 172|
# 173| if ( target )
# 174|-> if ( (ret = xc_domain_set_target(self->xc_handle, dom, target)) < 0 )
# 175| return pyxc_error_to_exception(self->xc_handle);
# 176|
Error: CPPCHECK_WARNING (CWE-768):
xen-4.18.1-build/xen-4.18.1/tools/tests/cpu-policy/test-cpu-policy.c:319: error[unknownEvaluationOrder]: Expression '.leaf={.leaf=(0xdu+1)}' depends on order of evaluation of side effects
# 317| {
# 318| .name = "OoB basic leaf",
# 319|-> .leaf = { .leaf = CPUID_GUEST_NR_BASIC },
# 320| },
# 321| {
Error: CPPCHECK_WARNING (CWE-768):
xen-4.18.1-build/xen-4.18.1/tools/tests/cpu-policy/test-cpu-policy.c:339: error[unknownEvaluationOrder]: Expression '.leaf={.leaf=0x80000000|((0x8u+1)>(0x21u+1)?(0x8u+1):(0x21u+1))}' depends on order of evaluation of side effects
# 337| {
# 338| .name = "OoB extd leaf",
# 339|-> .leaf = { .leaf = 0x80000000 | CPUID_GUEST_NR_EXTD },
# 340| },
# 341| };
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/tests/depriv/depriv-fd-checker.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/tests/paging-mempool/test-paging-mempool.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/tests/x86_emulator/x86-emulate.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/tests/xenstore/test-xenstore.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/vchan/node-select.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/vchan/vchan-socket-proxy.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/vchan/vchan-socket-proxy.c: scope_hint: In function ‘main’
xen-4.18.1-build/xen-4.18.1/tools/vchan/vchan-socket-proxy.c:497:52: warning[-Wanalyzer-fd-type-mismatch]: ‘accept’ on non-stream-socket file descriptor ‘socket_fd’
# 495| /* wait for local socket connection */
# 496| if (strcmp(socket_path, "-") != 0)
# 497|-> state.input_fd = state.output_fd = accept(socket_fd,
# 498| NULL, NULL);
# 499| if (state.input_fd == -1) {
Error: GCC_ANALYZER_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/vchan/vchan-socket-proxy.c:497:52: warning[-Wanalyzer-fd-use-without-check]: ‘accept’ on possibly invalid file descriptor ‘socket_fd’
# 495| /* wait for local socket connection */
# 496| if (strcmp(socket_path, "-") != 0)
# 497|-> state.input_fd = state.output_fd = accept(socket_fd,
# 498| NULL, NULL);
# 499| if (state.input_fd == -1) {
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xcutils/readnotes.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenmon/xenbaked.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/xenmon/xenbaked.c:413: warning[uninitvar]: Uninitialized variable: pfn_list
# 411| tbufs.meta[i] = xc_map_foreign_pages(xc_handle, DOMID_XEN,
# 412| PROT_READ | PROT_WRITE,
# 413|-> pfn_list,
# 414| tbufs.t_info->tbuf_size);
# 415| if ( tbufs.meta[i] == NULL )
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpaging/pagein.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpaging/policy_default.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpaging/policy_default.c:81:19: warning[deadcode.DeadStores]: Value stored to 'xch' during its initialization is never read
# 79| unsigned long policy_choose_victim(struct xenpaging *paging)
# 80| {
# 81|-> xc_interface *xch = paging->xc_handle;
# 82| unsigned long i;
# 83|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpaging/xenpaging.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpaging/xenpaging.c:74:19: warning[deadcode.DeadStores]: Value stored to 'xch' during its initialization is never read
# 72| static int xenpaging_wait_for_event_or_timeout(struct xenpaging *paging)
# 73| {
# 74|-> xc_interface *xch = paging->xc_handle;
# 75| xenevtchn_handle *xce = paging->vm_event.xce_handle;
# 76| char **vec, *val;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpaging/xenpaging.c:255:5: warning[deadcode.DeadStores]: Value stored to 'argv' is never read
# 253| }
# 254|
# 255|-> argv += optind; argc -= optind;
# 256|
# 257| /* Path to pagefile is required */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpaging/xenpaging.c:255:21: warning[deadcode.DeadStores]: Value stored to 'argc' is never read
# 253| }
# 254|
# 255|-> argv += optind; argc -= optind;
# 256|
# 257| /* Path to pagefile is required */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpaging/xenpaging.c:739:19: warning[deadcode.DeadStores]: Value stored to 'xch' during its initialization is never read
# 737| static void resume_pages(struct xenpaging *paging, int num_pages)
# 738| {
# 739|-> xc_interface *xch = paging->xc_handle;
# 740| int i, num = 0;
# 741|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpaging/xenpaging.c:764:19: warning[deadcode.DeadStores]: Value stored to 'xch' during its initialization is never read
# 762| static int evict_victim(struct xenpaging *paging, int slot)
# 763| {
# 764|-> xc_interface *xch = paging->xc_handle;
# 765| unsigned long gfn;
# 766| static int num_paged_out;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpaging/xenpaging.c:817:19: warning[deadcode.DeadStores]: Value stored to 'xch' during its initialization is never read
# 815| static int evict_pages(struct xenpaging *paging, int num_pages)
# 816| {
# 817|-> xc_interface *xch = paging->xc_handle;
# 818| int rc, slot, num = 0;
# 819|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpaging/xenpaging.c:871:5: warning[deadcode.DeadStores]: Value stored to 'xch' is never read
# 869| return 1;
# 870| }
# 871|-> xch = paging->xc_handle;
# 872|
# 873| DPRINTF("starting %s for domain_id %u with pagefile %s\n",
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpmd/xenpmd.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenpmd/xenpmd.c:465:17: warning[deadcode.DeadStores]: Value stored to 'ret' is never read
# 463| {
# 464| write_battery_status_to_xenstore(&status);
# 465|-> ret = 1;
# 466| /* rethink this; though I have never seen, there might be
# 467| * systems out there with more than one battery device
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/control.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/core.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/core.c:110:3: warning[deadcode.DeadStores]: Value stored to 'dummy' is never read
# 108|
# 109| if (ret <= 1024) {
# 110|-> dummy = write(tracefd, sbuf, ret);
# 111| return;
# 112| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/core.c:119:3: warning[deadcode.DeadStores]: Value stored to 'dummy' is never read
# 117| va_end(arglist);
# 118| if (str) {
# 119|-> dummy = write(tracefd, str, strlen(str));
# 120| talloc_free(str);
# 121| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/core.c:170:2: warning[deadcode.DeadStores]: Value stored to 'dummy' is never read
# 168| char c = 'A';
# 169| int dummy;
# 170|-> dummy = write(reopen_log_pipe[1], &c, 1);
# 171| }
# 172|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/core.c:499:17: warning[core.NullDereference]: Dereference of null pointer
# 497| }
# 498|
# 499|-> fds[nr_fds].fd = fd;
# 500| fds[nr_fds].events = events;
# 501| ret = nr_fds;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/core.c:1433:2: warning[core.NonNullParamChecker]: Null pointer passed to 2nd parameter expecting 'nonnull'
# 1431| if (!children)
# 1432| return ENOMEM;
# 1433|-> memcpy(children, parent->children, parent->hdr.childlen);
# 1434| memcpy(children + parent->hdr.childlen, base, baselen);
# 1435| parent->children = children;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/domain.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/hashtable.c:152:5: warning[deadcode.DeadStores]: Value stored to 'e' is never read
# 150| hashvalue = hash(h, k);
# 151| index = indexFor(h->tablelength, hashvalue);
# 152|-> e = h->table[index];
# 153|
# 154| for (e = h->table[index]; e; e = e->next)
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/lu.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/talloc.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/talloc.c:520:7: warning[unix.Malloc]: Use of memory after it is freed
# 518| void *child = TC_PTR_FROM_CHUNK(tc->child);
# 519| const void *new_parent = null_context;
# 520|-> if (tc->child->refs) {
# 521| struct talloc_chunk *p = talloc_parent_chunk(tc->child->refs);
# 522| if (p) new_parent = TC_PTR_FROM_CHUNK(p);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/transaction.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xenstored/watch.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentop/xentop.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/mread.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘parse_symbol_file’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:311:12: warning[-Wanalyzer-null-argument]: use of NULL ‘fopen(fn, "rb")’ where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:22: included_from: Included from here.
/usr/include/stdio.h:852:12: note: argument 1 of ‘feof’ must be non-null
# 309| error(ERR_SYSTEM, NULL);
# 310| }
# 311|-> while(!feof(symbol_file)) {
# 312| /* Allocate a new struct if we need it */
# 313| if(!*p) {
Error: GCC_ANALYZER_WARNING (CWE-775):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:313:13: warning[-Wanalyzer-file-leak]: leak of FILE ‘fopen(fn, "rb")’
# 311| while(!feof(symbol_file)) {
# 312| /* Allocate a new struct if we need it */
# 313|-> if(!*p) {
# 314| *p = malloc(sizeof(**p));
# 315| if(!*p) {
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:313:13: warning[-Wanalyzer-malloc-leak]: leak of ‘fopen(fn, "rb")’
# 311| while(!feof(symbol_file)) {
# 312| /* Allocate a new struct if we need it */
# 313|-> if(!*p) {
# 314| *p = malloc(sizeof(**p));
# 315| if(!*p) {
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:319:24: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘G.symbols’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘parse_symbol_file’
# 317| error(ERR_SYSTEM, NULL);
# 318| }
# 319|-> (*p)->count=0;
# 320| (*p)->next=NULL;
# 321| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:2447:31: warning[unix.MallocSizeof]: Result of 'malloc' is converted to a pointer of type 'struct interval_element *', which is incompatible with sizeof operand type 'struct interval_list *'
# 2445| void interval_table_alloc(int count) {
# 2446| P.interval.array.count = count;
# 2447|-> P.interval.array.values = malloc(count * sizeof(struct interval_list *));
# 2448|
# 2449| if(!P.interval.array.values) {
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘interval_list_add’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:2469:13: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘p’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘interval_list_add’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘interval_list_add’
# 2467| bzero(p, sizeof(*p));
# 2468|
# 2469|-> p->elem = e;
# 2470| strncpy(p->desc, desc, INTERVAL_DESC_MAX);
# 2471|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:2553:19: warning[unix.MallocSizeof]: Result of 'malloc' is converted to a pointer of type 'struct cr3_value_struct *', which is incompatible with sizeof operand type 'struct eip_list_struct *'
# 2551| return;
# 2552|
# 2553|-> qsort_array = malloc(N * sizeof(struct eip_list_struct *));
# 2554|
# 2555| for(i=0, p=P.cr3.head; p; p=p->gnext, i++)
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘update_eip’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:2823:9: warning[-Wanalyzer-null-argument]: use of NULL ‘p’ where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘update_eip’
<built-in>: note: argument 1 of ‘__builtin_memset’ must be non-null
# 2821| }
# 2822|
# 2823|-> bzero(p, sizeof(*p));
# 2824|
# 2825| p->eip=eip;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘__hvm_set_summary_handler’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:2999:19: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘p’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:4328:9: note: in expansion of macro ‘hvm_set_summary_handler’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘__hvm_set_summary_handler’
# 2997| error(ERR_SYSTEM, NULL);
# 2998| }
# 2999|-> p->handler=s;
# 3000| p->data = d;
# 3001| p->next=*q;
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘update_io_address’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:3788:9: warning[-Wanalyzer-null-argument]: use of NULL ‘p’ where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘update_io_address’
<built-in>: note: argument 1 of ‘__builtin_memset’ must be non-null
# 3786| }
# 3787|
# 3788|-> bzero(p, sizeof(*p));
# 3789|
# 3790| p->pa=pa;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:4025:19: warning[unix.MallocSizeof]: Result of 'malloc' is converted to a pointer of type 'struct cr3_value_struct *', which is incompatible with sizeof operand type 'struct eip_list_struct *'
# 4023|
# 4024| /* Alloc a struct of the right size */
# 4025|-> qsort_array = malloc(N * sizeof(struct eip_list_struct *));
# 4026|
# 4027| /* Point the array into it */
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘cr3_dump_list.part.0’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:4029:23: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘qsort_array’
# 4027| /* Point the array into it */
# 4028| for(i=0, p=head; p; p=p->next, i++)
# 4029|-> qsort_array[i]=p;
# 4030|
# 4031| /* Sort the array by time */
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:4032:5: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL ‘qsort_array’ where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:23: included_from: Included from here.
/usr/include/stdlib.h:970:13: note: argument 1 of ‘qsort’ must be non-null
# 4030|
# 4031| /* Sort the array by time */
# 4032|-> qsort(qsort_array, N, sizeof(struct eip_list_struct *),
# 4033| cr3_compare_start);
# 4034|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:4725:8: warning[deadcode.DeadStores]: Value stored to 'cr' during its initialization is never read
# 4723| unsigned vcpu:16, domain:16;
# 4724| unsigned d[4];
# 4725|-> } *cr = (typeof(cr))ri->d;
# 4726|
# 4727| const char *evt_string;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:5736:12: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 5734| shadow_parse_other(ri, &r, h);
# 5735|
# 5736|-> e->gfn = r.gfn;
# 5737| e->va = r.va;
# 5738| e->pf_case = sevt.minor;
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘vcpu_create’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:6694:5: warning[-Wanalyzer-null-argument]: use of NULL ‘v’ where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:39: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘vcpu_create’
<built-in>: note: argument 1 of ‘__builtin_memset’ must be non-null
# 6692| }
# 6693|
# 6694|-> bzero(v, sizeof(*v));
# 6695|
# 6696| v->vid = vid;
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘domain_init’
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:6715:5: warning[-Wanalyzer-null-argument]: use of NULL ‘d’ where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c: scope_hint: In function ‘domain_init’
<built-in>: note: argument 1 of ‘__builtin_memset’ must be non-null
# 6713| void domain_init(struct domain_data *d, int did)
# 6714| {
# 6715|-> bzero(d, sizeof(*d));
# 6716|
# 6717| d->did = did;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:8964:32: warning[deadcode.DeadStores]: Value stored to 'r' during its initialization is never read
# 8962| {
# 8963| struct record_info *ri = &p->ri;
# 8964|-> struct lost_record_struct *r = (typeof(r))ri->d;
# 8965|
# 8966| if(!p->lost_record.active) {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:9260:9: warning[deadcode.DeadStores]: Value stored to 'c' is never read
# 9258| {
# 9259| r = snprintf(c, len, " d%dv%d", p->current->d->did, p->current->vid);
# 9260|-> c+=r;
# 9261| len-=r;
# 9262| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:9261:9: warning[deadcode.DeadStores]: Value stored to 'len' is never read
# 9259| r = snprintf(c, len, " d%dv%d", p->current->d->did, p->current->vid);
# 9260| c+=r;
# 9261|-> len-=r;
# 9262| }
# 9263| else
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:9266:9: warning[deadcode.DeadStores]: Value stored to 'c' is never read
# 9264| {
# 9265| r = snprintf(c, len, " d?v?");
# 9266|-> c+=r;
# 9267| len-=r;
# 9268| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:9267:9: warning[deadcode.DeadStores]: Value stored to 'len' is never read
# 9265| r = snprintf(c, len, " d?v?");
# 9266| c+=r;
# 9267|-> len-=r;
# 9268| }
# 9269| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenalyze.c:9643:10: warning[deadcode.DeadStores]: Although the value stored to 'pid' is used in the enclosing expression, the value is never actually read from 'pid'
# 9641| wait(NULL);
# 9642|
# 9643|-> if(!(pid = fork())) {
# 9644| /* Child */
# 9645| char text[128];
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenctx.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenctx.c:809:51: warning[core.DivideZero]: Division by zero
# 807| * were printed.
# 808| */
# 809|-> for (k = j; k < xenctx.bytes_per_line / width; k++)
# 810| printf(" %*s", width * 2, "");
# 811| printf(" ");
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xenctx.c:819:25: warning[core.uninitialized.ArraySubscript]: Array subscript is undefined
# 817| for (l = 0; l < width; l++)
# 818| {
# 819|-> if (isprint(*bytep))
# 820| printf("%c", *bytep);
# 821| else
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xentrace.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xentrace.c:520: warning[uninitvar]: Uninitialized variable: pfn_list
# 518| tbufs.meta[i] = xc_map_foreign_pages(xc_handle, DOMID_XEN,
# 519| PROT_READ | PROT_WRITE,
# 520|-> pfn_list,
# 521| tbufs.t_info->tbuf_size);
# 522| if ( tbufs.meta[i] == NULL )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xentrace/xentrace.c:968:5: warning[deadcode.DeadStores]: Value stored to 'c' is never read
# 966| }
# 967|
# 968|-> c = 0;
# 969| s = mask_str;
# 970| do {
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_block.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_cpupool.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_cpupool.c:68:14: warning[deadcode.DeadStores]: Although the value stored to 'p' is used in the enclosing expression, the value is never actually read from 'p'
# 66|
# 67| while (optind < argc) {
# 68|-> if ((p = strchr(argv[optind], '='))) {
# 69| string_realloc_append(&extra_config, "\n");
# 70| string_realloc_append(&extra_config, argv[optind]);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_info.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_mem.c:103:9: warning[deadcode.DeadStores]: Value stored to 'shutdown_reason' is never read
# 101| unsigned shutdown_reason;
# 102| domname = libxl_domid_to_name(ctx, info[i].domid);
# 103|-> shutdown_reason = info[i].shutdown ? info[i].shutdown_reason : 0;
# 104| printf("%-40s %5d %5lu %5lu\n",
# 105| domname,
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_migrate.c:278:13: warning[core.CallAndMessage]: 3rd function call argument is an uninitialized value
# 276|
# 277| if (common_domname) {
# 278|-> libxl_domain_rename(ctx, domid, away_domname, common_domname);
# 279| }
# 280| rc = libxl_domain_resume(ctx, domid, 1, 0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_migrate.c:560:9: warning[deadcode.DeadStores]: Value stored to 'monitor' is never read
# 558| case 'e':
# 559| daemonize = 0;
# 560|-> monitor = 0;
# 561| break;
# 562| case 'p':
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_misc.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_nic.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:834:13: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 832| char *resolution;
# 833|
# 834|-> rc = split_string_into_pair(connectors[i], ':',
# 835| &vdispl->connectors[i].unique_id,
# 836| &resolution, NULL);
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c: scope_hint: In function ‘parse_vdispl_config’
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:838:17: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘resolution’
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:31: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:821:16: note: in expansion of macro ‘MATCH_OPTION’
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:823:16: note: in expansion of macro ‘MATCH_OPTION’
xen-4.18.1-build/xen-4.18.1/tools/xl/xl.h:18: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:29: included_from: Included from here.
# 836| &resolution, NULL);
# 837|
# 838|-> rc= sscanf(resolution, "%ux%u", &vdispl->connectors[i].width,
# 839| &vdispl->connectors[i].height);
# 840| free(resolution);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:838:17: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 836| &resolution, NULL);
# 837|
# 838|-> rc= sscanf(resolution, "%ux%u", &vdispl->connectors[i].width,
# 839| &vdispl->connectors[i].height);
# 840| free(resolution);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:1166:17: warning[unix.Malloc]: Potential leak of memory pointed to by 'buf'
# 1164| buf = strdup(item);
# 1165|
# 1166|-> p = strtok (buf, ",");
# 1167| while (p != NULL)
# 1168| {
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c: scope_hint: In function ‘parse_config_data’
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:1627:16: warning[-Wanalyzer-malloc-leak]: leak of ‘strdup(buf)’
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:51:5: note: in expansion of macro ‘ARRAY_EXTEND_INIT__CORE’
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:1622:21: note: in expansion of macro ‘ARRAY_EXTEND_INIT_NODEVID’
# 1625|
# 1626| dtdev->path = strdup(buf);
# 1627|-> if (dtdev->path == NULL) {
# 1628| fprintf(stderr, "unable to duplicate string for dtdevs\n");
# 1629| exit(-1);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:2327:23: warning[unix.Malloc]: Potential leak of memory pointed to by 'backend'
# 2325| d_config->num_pvcallsifs = 0;
# 2326| d_config->pvcallsifs = NULL;
# 2327|-> while ((buf = xlu_cfg_get_listitem (pvcallsifs_devs, d_config->num_pvcallsifs)) != NULL) {
# 2328| libxl_device_pvcallsif *pvcallsif;
# 2329| char *backend = NULL;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:2480:13: warning[deadcode.DeadStores]: Value stored to 'vkb' is never read
# 2478| libxl_device_vfb_init);
# 2479|
# 2480|-> vkb = ARRAY_EXTEND_INIT(d_config->vkbs, d_config->num_vkbs,
# 2481| libxl_device_vkb_init);
# 2482|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:2747:13: warning[deadcode.DeadStores]: Value stored to 'vkb' is never read
# 2745| libxl_device_vfb_init);
# 2746|
# 2747|-> vkb = ARRAY_EXTEND_INIT(d_config->vkbs, d_config->num_vkbs,
# 2748| libxl_device_vkb_init);
# 2749|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:2992:5: warning[deadcode.DeadStores]: Value stored to 'p' is never read
# 2990|
# 2991| /* Count number of entries */
# 2992|-> p = strtok_r(s, delim, &saveptr);
# 2993| do {
# 2994| nr++;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_parse.c:2995:15: warning[deadcode.DeadStores]: Although the value stored to 'p' is used in the enclosing expression, the value is never actually read from 'p'
# 2993| do {
# 2994| nr++;
# 2995|-> } while ((p = strtok_r(NULL, delim, &saveptr)));
# 2996|
# 2997| free(s);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_psr.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_psr.c:699:9: warning[deadcode.DeadStores]: Value stored to 'type' is never read
# 697| }
# 698| } else {
# 699|-> type = LIBXL_PSR_CBM_TYPE_L3_CBM;
# 700| fprintf(stderr, "Input lvl %d is wrong\n", lvl);
# 701| return EXIT_FAILURE;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_saverestore.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_sched.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_sxp.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_usb.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_utils.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_vcpu.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_vcpu.c: scope_hint: In function ‘main_vcpupin’
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_vcpu.c:253:30: warning[-Wanalyzer-null-argument]: use of NULL where non-null expected
xen-4.18.1-build/xen-4.18.1/tools/include/libxl.h:804: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_vcpu.c:18: included_from: Included from here.
/usr/include/string.h:156:12: note: argument 1 of ‘strcmp’ must be non-null
# 251| * to pass NULL to libxl_set_vcpuaffinity() if it is not specified.
# 252| */
# 253|-> if (argc <= optind+3 || !strcmp(soft_str, "-"))
# 254| soft = NULL;
# 255| else if (parse_cpurange(soft_str, soft))
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_vcpu.c:253:30: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 251| * to pass NULL to libxl_set_vcpuaffinity() if it is not specified.
# 252| */
# 253|-> if (argc <= optind+3 || !strcmp(soft_str, "-"))
# 254| soft = NULL;
# 255| else if (parse_cpurange(soft_str, soft))
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_vdispl.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_vmcontrol.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING (CWE-909):
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_vmcontrol.c:805: error[uninitStructMember]: Uninitialized struct member: hdr.mandatory_flags
# 803| }
# 804| config_source = "<saved>";
# 805|-> config_in_json = !!(hdr.mandatory_flags & XL_MANDATORY_FLAG_JSON);
# 806| }
# 807|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_vmcontrol.c:1141:9: warning[deadcode.DeadStores]: Value stored to 'restore_fd_to_close' is never read
# 1139| fprintf(stderr, "Failed to close restoring file, fd %d, errno %d\n",
# 1140| restore_fd_to_close, errno);
# 1141|-> restore_fd_to_close = -1;
# 1142| }
# 1143|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_vsnd.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xl/xl_vtpm.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_client.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c: scope_hint: In function ‘add_to_buf’
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c:20:10: warning[-Wanalyzer-malloc-leak]: leak of ‘buf’
# 18| return -1;
# 19|
# 20|-> *buf = realloc(*buf, len + vallen);
# 21| if (!*buf)
# 22| return -1;
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c: scope_hint: In function ‘live_update_start’
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c:36:16: warning[-Wanalyzer-malloc-leak]: leak of ‘buf’
# 34|
# 35| if (asprintf(&ret, "%u", to) < 0)
# 36|-> return 1;
# 37| len = add_to_buf(&buf, "-s", len);
# 38| len = add_to_buf(&buf, "-t", len);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c:44:16: warning[unix.Malloc]: Potential leak of memory pointed to by 'buf'
# 42| len = add_to_buf(&buf, "-F", len);
# 43| if (len < 0)
# 44|-> return 1;
# 45|
# 46| ret = strdup("BUSY");
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c:87:16: warning[unix.Malloc]: Potential leak of memory pointed to by 'buf'
# 85| len = add_to_buf(&buf, cmdline, len);
# 86| if (len < 0)
# 87|-> return 1;
# 88|
# 89| ret = xs_control_command(xsh, "live-update", buf, len);
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c: scope_hint: In function ‘send_kernel_blob’
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c:113:16: warning[-Wanalyzer-malloc-leak]: leak of ‘buf’
# 111| if (!xch) {
# 112| fprintf(stderr, "xc_interface_open() failed\n");
# 113|-> return 1;
# 114| }
# 115|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c:136:14: warning[unix.Malloc]: Potential leak of memory pointed to by 'buf'
# 134| free(ret);
# 135| if (len < 0) {
# 136|-> rc = 1;
# 137| goto out_rel;
# 138| }
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c: scope_hint: In function ‘live_update_daemon’
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c:242:16: warning[-Wanalyzer-malloc-leak]: leak of ‘buf’
# 240| len = add_to_buf(&buf, binary, len);
# 241| if (len < 0)
# 242|-> return 1;
# 243| ret = xs_control_command(xsh, "live-update", buf, len);
# 244| free(buf);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c:242:16: warning[unix.Malloc]: Potential leak of memory pointed to by 'buf'
# 240| len = add_to_buf(&buf, binary, len);
# 241| if (len < 0)
# 242|-> return 1;
# 243| ret = xs_control_command(xsh, "live-update", buf, len);
# 244| free(buf);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/xs-clients/xenstore_control.c:373:5: warning[unix.Malloc]: Potential leak of memory pointed to by 'par'
# 371|
# 372| out:
# 373|-> free(par);
# 374| return rc;
# 375| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/acpi/cpufreq/hwp.c:586:9: warning[deadcode.DeadStores]: Value stored to 'cleared_act_window' is never read
# 584| {
# 585| set_cppc->set_params &= ~XEN_SYSCTL_CPPC_SET_ACT_WINDOW;
# 586|-> cleared_act_window = true;
# 587| }
# 588|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/boot/mkelf32.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/boot/reloc.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/cpu/intel_cacheinfo.c:196:5: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 194| /* Byte 0 is level count, not a descriptor */
# 195| for ( j = 1 ; j < 16 ; j++ ) {
# 196|-> unsigned char des = dp[j];
# 197| unsigned char k = 0;
# 198|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/cpu/mcheck/mce.c:972:5: warning[deadcode.DeadStores]: Value stored to 'c' is never read
# 970|
# 971| log_cpus = v;
# 972|-> c = &cpu_data[cpu];
# 973| cindex = 0;
# 974| cpn = cpu - 1;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/cpu/mcheck/vmce.c:525:5: warning[deadcode.DeadStores]: Value stored to 'r_mfn' is never read
# 523|
# 524| rc = -1;
# 525|-> r_mfn = get_gfn_query(d, gfn, &pt);
# 526| if ( p2m_to_mask(pt) & P2M_UNMAP_TYPES)
# 527| {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/cpu/vpmu.c:65:20: warning[deadcode.DeadStores]: Although the value stored to 'val' is used in the enclosing expression, the value is never actually read from 'val'
# 63| else if ( !cmdline_strcmp(s, "arch") )
# 64| vpmu_features |= XENPMU_FEATURE_ARCH_ONLY;
# 65|-> else if ( (val = parse_boolean("rtm-abort", s, ss)) >= 0 )
# 66| printk(XENLOG_WARNING
# 67| "'rtm-abort=<bool>' superseded. Use 'tsx=<bool>' instead\n");
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/cpu/vpmu_intel.c:663:40: warning[core.BitwiseShift]: Left shift overflows the capacity of 'unsigned long long'
# 661|
# 662| if ( msr_content & ARCH_CNTR_ENABLED )
# 663|-> *enabled_cntrs |= 1ULL << tmp;
# 664| else
# 665| *enabled_cntrs &= ~(1ULL << tmp);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/cpu/vpmu_intel.c:665:42: warning[core.BitwiseShift]: Left shift overflows the capacity of 'unsigned long long'
# 663| *enabled_cntrs |= 1ULL << tmp;
# 664| else
# 665|-> *enabled_cntrs &= ~(1ULL << tmp);
# 666|
# 667| xen_pmu_cntr_pair[tmp].control = msr_content;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/domain.c:980:5: warning[deadcode.DeadStores]: Value stored to 'owner' is never read
# 978| */
# 979|
# 980|-> owner = page_get_owner_and_reference(page);
# 981| ASSERT( owner == d );
# 982|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/domain.c:1590:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 1588| struct vcpu_register_time_memory_area area;
# 1589|
# 1590|-> rc = -ENOSYS;
# 1591| if ( 0 /* TODO: Dom's XENFEAT_vcpu_time_phys_area setting */ )
# 1592| break;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/domain_page.c: scope_hint: In function ‘unmap_domain_page’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/domain_page.c:192:16: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘v’
# 190| ASSERT(v && is_pv_vcpu(v));
# 191|
# 192|-> dcache = &v->domain->arch.pv.mapcache;
# 193| ASSERT(dcache->inuse);
# 194|
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/efi/mkreloc.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/emul-i8254.c:276:17: warning[deadcode.DeadStores]: Value stored to 's' is never read
# 274| for ( channel = 0; channel < 3; channel++ )
# 275| {
# 276|-> s = &pit->hw.channels[channel];
# 277| if ( val & (2 << channel) )
# 278| {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/dm.c:127:42: warning[core.UndefinedBinaryOperatorResult]: The left operand of '/' is a garbage value
# 125| return 0;
# 126|
# 127|-> if ( (bufs->buf[EXTENTS_BUFFER].size /
# 128| sizeof(struct xen_dm_op_modified_memory_extent)) <
# 129| *rem_extents )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/dm.c:369:31: warning[core.UndefinedBinaryOperatorResult]: The left operand of '<' is a garbage value
# 367|
# 368| rc = -EFAULT;
# 369|-> if ( op_args->buf[0].size < offset )
# 370| goto out;
# 371|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/emulate.c:1850:36: warning[core.UndefinedBinaryOperatorResult]: The left operand of '&' is a garbage value
# 1848|
# 1849| if ( hvio->mmio_access.read_access &&
# 1850|-> (hvio->mmio_gla == (saddr & PAGE_MASK)) &&
# 1851| /*
# 1852| * Upon initial invocation don't truncate large batches just because
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/emulate.c:1863:14: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 1861| else
# 1862| {
# 1863|-> rc = hvmemul_linear_to_phys(saddr, &sgpa, bytes_per_rep, reps, pfec,
# 1864| hvmemul_ctxt);
# 1865| if ( rc != X86EMUL_OKAY )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/emulate.c:1870:36: warning[core.UndefinedBinaryOperatorResult]: The left operand of '&' is a garbage value
# 1868|
# 1869| if ( hvio->mmio_access.write_access &&
# 1870|-> (hvio->mmio_gla == (daddr & PAGE_MASK)) &&
# 1871| /* See comment above. */
# 1872| (curr->io.req.state == STATE_IORESP_READY ||
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/emulate.c:1878:14: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 1876| else
# 1877| {
# 1878|-> rc = hvmemul_linear_to_phys(daddr, &dgpa, bytes_per_rep, reps,
# 1879| pfec | PFEC_write_access, hvmemul_ctxt);
# 1880| if ( rc != X86EMUL_OKAY )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/emulate.c:2006:35: warning[core.UndefinedBinaryOperatorResult]: The left operand of '&' is a garbage value
# 2004|
# 2005| if ( hvio->mmio_access.write_access &&
# 2006|-> (hvio->mmio_gla == (addr & PAGE_MASK)) &&
# 2007| /* See respective comment in MOVS processing. */
# 2008| (curr->io.req.state == STATE_IORESP_READY ||
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/emulate.c:2019:14: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 2017| pfec |= PFEC_user_mode;
# 2018|
# 2019|-> rc = hvmemul_linear_to_phys(addr, &gpa, bytes_per_rep, reps, pfec,
# 2020| hvmemul_ctxt);
# 2021| if ( rc != X86EMUL_OKAY )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/emulate.c:2320:19: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 2318| pfec |= PFEC_user_mode;
# 2319|
# 2320|-> mapping = hvmemul_map_linear_addr(addr, 0, pfec, hvmemul_ctxt);
# 2321| if ( mapping == ERR_PTR(~X86EMUL_EXCEPTION) )
# 2322| return X86EMUL_EXCEPTION;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/hvm.c:546:13: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 544| if ( hvm_get_pending_event(v, &info) )
# 545| {
# 546|-> hvm_monitor_interrupt(info.vector, info.type, info.error_code,
# 547| info.cr2);
# 548| v->arch.monitor.next_interrupt_enabled = false;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/hvm.c:4077:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 4075|
# 4076| vlapic_reset(vcpu_vlapic(v));
# 4077|-> rc = vcpu_reset(v);
# 4078| ASSERT(!rc);
# 4079| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/hvm.c:5296:32: warning[core.UndefinedBinaryOperatorResult]: The left operand of '>>' is a garbage value
# 5294| * Unconditionally recalculate G.
# 5295| */
# 5296|-> reg->g = !!(reg->limit >> 20);
# 5297|
# 5298| /*
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/rtc.c: scope_hint: In function ‘rtc_timer_update’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/rtc.c:151:23: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/hvm/vlapic.h:13: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/hvm/vcpu.h:12: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/domain.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/domain.h:14: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:11: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/rtc.c:25: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/rtc.c:46:25: note: in expansion of macro ‘pt_global_vcpu_target’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/rtc.c:127:22: note: in expansion of macro ‘vrtc_vcpu’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/spinlock.h:5: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/rtc.c:148:32: note: in expansion of macro ‘NOW’
# 149|
# 150| s->period = period;
# 151|-> if ( v->domain->arch.hvm.params[HVM_PARAM_VPT_ALIGN] )
# 152| delta = 0;
# 153| else
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/svm/nestedsvm.c:936:25: warning[deadcode.DeadStores]: Value stored to 'ns_vmcb' during its initialization is never read
# 934| struct nestedvcpu *nv = &vcpu_nestedhvm(v);
# 935| struct nestedsvm *svm = &vcpu_nestedsvm(v);
# 936|-> struct vmcb_struct *ns_vmcb = nv->nv_vvmcx;
# 937| enum nestedhvm_vmexits vmexits;
# 938|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/svm/nestedsvm.c:943:26: warning[core.BitwiseShift]: Left shift overflows the capacity of 'unsigned long long'
# 941| case VMEXIT_CR0_READ ... VMEXIT_CR15_READ:
# 942| case VMEXIT_CR0_WRITE ... VMEXIT_CR15_WRITE:
# 943|-> exit_bits = 1ULL << (exitcode - VMEXIT_CR0_READ);
# 944| if ( svm->ns_cr_intercepts & exit_bits )
# 945| break;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/svm/nestedsvm.c:950:26: warning[core.BitwiseShift]: Left shift overflows the capacity of 'unsigned long long'
# 948| case VMEXIT_DR0_READ ... VMEXIT_DR7_READ:
# 949| case VMEXIT_DR0_WRITE ... VMEXIT_DR7_WRITE:
# 950|-> exit_bits = 1ULL << (exitcode - VMEXIT_DR0_READ);
# 951| if ( svm->ns_dr_intercepts & exit_bits )
# 952| break;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/svm/svm.c:2651:9: warning[deadcode.DeadStores]: Value stored to 'exitinfo1' is never read
# 2649| * exitinfo1 value there.
# 2650| */
# 2651|-> exitinfo1 = ns_vmcb->exitinfo1;
# 2652| ns_vmcb->exitinfo1 = vmcb->exitinfo1;
# 2653| nsret = nestedsvm_check_intercepts(v, regs, exit_reason);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/vioapic.c:238:5: warning[deadcode.DeadStores]: Value stored to 'prev_level' is never read
# 236| pent = &vioapic->redirtbl[idx];
# 237| ent = *pent;
# 238|-> prev_level = ent.fields.trig_mode == VIOAPIC_LEVEL_TRIG;
# 239|
# 240| if ( top_word )
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/vioapic.c: scope_hint: In function ‘vioapic_write_indirect’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/vioapic.c:340:36: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘vioapic’
# 338| redir_index, vioapic->ioregsel & 1 ? "hi" : "lo", val);
# 339|
# 340|-> if ( redir_index >= vioapic->nr_pins )
# 341| {
# 342| gdprintk(XENLOG_WARNING, "vioapic_write_indirect "
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/vlapic.c:281:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 279| /* Reset necessary VCPU state. This does not include FPU state. */
# 280| fpu_initialised = target->fpu_initialised;
# 281|-> rc = vcpu_reset(target);
# 282| ASSERT(!rc);
# 283| target->fpu_initialised = fpu_initialised;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/vmsi.c:810:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 808| int rc;
# 809|
# 810|-> rc = pt_irq_destroy_bind(pdev->domain, &bind);
# 811| ASSERT(!rc);
# 812| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/vmx/vmcs.c:843:12: warning[deadcode.DeadStores]: Value stored to 'okay' during its initialization is never read
# 841| void vmx_vmcs_enter(struct vcpu *v)
# 842| {
# 843|-> bool_t okay = vmx_vmcs_try_enter(v);
# 844|
# 845| ASSERT(okay);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/vmx/vmx.c:107:5: warning[deadcode.DeadStores]: Value stored to 'old_lock' is never read
# 105|
# 106| spin_lock_irqsave(pi_blocking_list_lock, flags);
# 107|-> old_lock = cmpxchg(&v->arch.hvm.vmx.pi_blocking.lock, NULL,
# 108| pi_blocking_list_lock);
# 109|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/vmx/vmx.c:123:5: warning[deadcode.DeadStores]: Value stored to 'dest' is never read
# 121| ASSERT(!pi_test_sn(pi_desc));
# 122|
# 123|-> dest = cpu_physical_id(v->processor);
# 124|
# 125| ASSERT(pi_desc->ndst ==
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/vmx/vmx.c:3640:21: warning[core.NullDereference]: Access to field 'count' results in a dereference of a null pointer (loaded from variable 'lbr')
# 3638| const struct lbr_info *lbr = model_specific_lbr;
# 3639|
# 3640|-> for ( ; lbr->count; lbr++ )
# 3641| {
# 3642| unsigned int i;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/vmx/vvmx.c:487:18: warning[deadcode.DeadStores]: Value stored to 'v' during its initialization is never read
# 485| static void vmfail_invalid(struct cpu_user_regs *regs)
# 486| {
# 487|-> struct vcpu *v = current;
# 488| unsigned int eflags = regs->eflags;
# 489|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/vmx/vvmx.c:1169:29: warning[core.NullDereference]: Access to field 'vmcs_revision_id' results in a dereference of a null pointer (loaded from variable 'vvmcs')
# 1167|
# 1168| __vmpclear(vvmcs_maddr);
# 1169|-> vvmcs->vmcs_revision_id |= VMCS_RID_TYPE_MASK;
# 1170| v->arch.hvm.vmx.secondary_exec_control |=
# 1171| SECONDARY_EXEC_ENABLE_VMCS_SHADOWING;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/i387.c:32:5: warning[deadcode.DeadStores]: Value stored to 'ok' is never read
# 30| * we set the accumulated feature mask before doing save/restore.
# 31| */
# 32|-> ok = set_xcr0(v->arch.xcr0_accum | XSTATE_FP_SSE);
# 33| ASSERT(ok);
# 34| xrstor(v, mask);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/i387.c:35:5: warning[deadcode.DeadStores]: Value stored to 'ok' is never read
# 33| ASSERT(ok);
# 34| xrstor(v, mask);
# 35|-> ok = set_xcr0(v->arch.xcr0 ?: XSTATE_FP_SSE);
# 36| ASSERT(ok);
# 37| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/i387.c:145:5: warning[deadcode.DeadStores]: Value stored to 'ok' is never read
# 143| * we set the accumulated feature mask before doing save/restore.
# 144| */
# 145|-> ok = set_xcr0(v->arch.xcr0_accum | XSTATE_FP_SSE);
# 146| ASSERT(ok);
# 147| xsave(v, mask);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/i387.c:148:5: warning[deadcode.DeadStores]: Value stored to 'ok' is never read
# 146| ASSERT(ok);
# 147| xsave(v, mask);
# 148|-> ok = set_xcr0(v->arch.xcr0 ?: XSTATE_FP_SSE);
# 149| ASSERT(ok);
# 150| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/grant_table.h:27: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/rwlock.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/smp.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/smp.h:8: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/bitops.h:106: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/bitops.h:101:37: warning[core.uninitialized.Assign]: The left expression of the compound assignment is an uninitialized value. The computed value will also be garbage
# 99| static inline void constant_clear_bit(int nr, void *addr)
# 100| {
# 101|-> ((unsigned int *)addr)[nr >> 5] &= ~(1u << (nr & 31));
# 102| }
# 103| #define __clear_bit(nr, addr) ({ \
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:12: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:20: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h: scope_hint: In function ‘iomem_permit_access’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/iocap.h:19:28: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:18:18: note: in expansion of macro ‘cache_flush_permitted’
xen-4.18.1-build/xen-4.18.1/xen/include/xsm/xsm.h:827: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/hypercall.h:22: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:25: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:13: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘iomem_permit_access’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘iomem_permit_access’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:49:30: note: in definition of macro ‘iomem_access_permitted’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/current.h:100:32: note: in expansion of macro ‘get_current’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:681:38: note: in expansion of macro ‘current’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘iomem_permit_access’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:18:18: note: in expansion of macro ‘cache_flush_permitted’
# 17|
# 18| #define cache_flush_permitted(d) \
# 19|-> (!rangeset_is_empty((d)->iomem_caps) || \
# 20| !rangeset_is_empty((d)->arch.ioport_caps))
# 21|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/shared.h:31:31: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/domain.h:15:34: note: in definition of macro ‘has_32bit_shinfo’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/shared.h:81:1: note: in expansion of macro ‘GET_SET_VCPU’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/traps.c: scope_hint: In function ‘show_registers’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/regs.h:9:34: note: in expansion of macro ‘guest_cpu_user_regs’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/traps.c:133:10: note: in expansion of macro ‘guest_mode’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/x86_emulate.h:17: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/mm.h:11: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/mm.h:230: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/domain.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/traps.c: scope_hint: In function ‘show_registers’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/traps.c:133:10: note: in expansion of macro ‘guest_mode’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/traps.c:142:14: note: in expansion of macro ‘guest_mode’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/shared.h:81:1: note: in expansion of macro ‘GET_SET_VCPU’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/domain.h:15:34: note: in definition of macro ‘has_32bit_shinfo’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/shared.h:81:1: note: in expansion of macro ‘GET_SET_VCPU’
# 29| const vcpu_info_t *vi = v->vcpu_info_area.map; \
# 30| \
# 31|-> return !has_32bit_shinfo(v->domain) ? \
# 32| vi->native.arch.field : vi->compat.arch.field; \
# 33| } \
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/traps.c:24: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/shared.h:81:1: warning[core.NullDereference]: Dereference of null pointer
# 79| GET_SET_SHARED(unsigned long, nmi_reason)
# 80|
# 81|-> GET_SET_VCPU(unsigned long, cr2)
# 82|
# 83| #undef GET_SET_VCPU
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/io_apic.c:1190:48: warning[core.UndefinedBinaryOperatorResult]: The left operand of '!=' is a garbage value
# 1188| * value, so ignore it if reg_02 == reg_01.
# 1189| */
# 1190|-> if (reg_01.bits.version >= 0x10 && reg_02.raw != reg_01.raw) {
# 1191| printk(KERN_DEBUG ".... register #02: %08X\n", reg_02.raw);
# 1192| printk(KERN_DEBUG "....... : arbitration: %02X\n", reg_02.bits.arbitration);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/io_apic.c:1202:48: warning[core.UndefinedBinaryOperatorResult]: The left operand of '!=' is a garbage value
# 1200| * register value, so ignore it if reg_03 == reg_0[12].
# 1201| */
# 1202|-> if (reg_01.bits.version >= 0x20 && reg_03.raw != reg_02.raw &&
# 1203| reg_03.raw != reg_01.raw) {
# 1204| printk(KERN_DEBUG ".... register #03: %08X\n", reg_03.raw);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/io_apic.c:1202:48: warning[core.UndefinedBinaryOperatorResult]: The right operand of '!=' is a garbage value
# 1200| * register value, so ignore it if reg_03 == reg_0[12].
# 1201| */
# 1202|-> if (reg_01.bits.version >= 0x20 && reg_03.raw != reg_02.raw &&
# 1203| reg_03.raw != reg_01.raw) {
# 1204| printk(KERN_DEBUG ".... register #03: %08X\n", reg_03.raw);
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c: scope_hint: In function ‘create_irq’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c:278:11: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘desc’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/pci.h:13: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/hvm/io.h:11: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/hvm/domain.h:16: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/domain.h:7: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/domain.h:14: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:11: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/event.h:12: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c:11: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/irq.h:153:31: note: in expansion of macro ‘pirq_info’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/irq.h:194:37: note: in expansion of macro ‘pirq_field’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c:2121:15: note: in expansion of macro ‘domain_pirq_to_irq’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/config.h:17: included_from: Included from here.
<command-line>: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/compiler.h:20:43: note: in definition of macro ‘likely’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c:2141:18: note: in expansion of macro ‘irq_access_permitted’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/system.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/nospec.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/spinlock.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c:2172:15: note: in expansion of macro ‘cpu_has_apic’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c: scope_hint: In function ‘create_irq’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c:2190:9: note: in expansion of macro ‘spin_lock_irqsave’
# 276| return -ENOSPC;
# 277|
# 278|-> ret = init_one_irq_desc(desc);
# 279| if (!ret)
# 280| {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c:1258:31: warning[core.NullDereference]: Access to field 'pirq' results in a dereference of a null pointer (loaded from variable 'pirq')
# 1256| radix_tree_replace_slot(
# 1257| radix_tree_lookup_slot(&d->arch.irq_pirq, irq),
# 1258|-> radix_tree_int_to_ptr(pirq->pirq));
# 1259| pirq->arch.irq = irq;
# 1260| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c:1989:9: warning[deadcode.DeadStores]: Value stored to 'tsc_in' is never read
# 1987| }
# 1988|
# 1989|-> tsc_in = tb_init_done ? get_cycles() : 0;
# 1990| do_IRQ_guest(desc, vector);
# 1991| TRACE_3D(TRC_HW_IRQ_HANDLED, irq, tsc_in, get_cycles());
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c:2013:9: warning[deadcode.DeadStores]: Value stored to 'tsc_in' is never read
# 2011| spin_unlock_irq(&desc->lock);
# 2012|
# 2013|-> tsc_in = tb_init_done ? get_cycles() : 0;
# 2014| action->handler(irq, action->dev_id, regs);
# 2015| TRACE_3D(TRC_HW_IRQ_HANDLED, irq, tsc_in, get_cycles());
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c:2223:13: warning[core.CallAndMessage]: 3rd function call argument is an uninitialized value
# 2221| break;
# 2222|
# 2223|-> set_domain_irq_pirq(d, irq, info);
# 2224| spin_unlock_irqrestore(&desc->lock, flags);
# 2225|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c:2288:9: warning[core.CallAndMessage]: 3rd function call argument is an uninitialized value
# 2286| }
# 2287|
# 2288|-> set_domain_irq_pirq(d, irq, info);
# 2289| spin_unlock_irqrestore(&desc->lock, flags);
# 2290| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/irq.c:2294:9: warning[core.CallAndMessage]: 3rd function call argument is an uninitialized value
# 2292| {
# 2293| spin_lock_irqsave(&desc->lock, flags);
# 2294|-> set_domain_irq_pirq(d, irq, info);
# 2295| spin_unlock_irqrestore(&desc->lock, flags);
# 2296| ret = 0;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/hap/nested_hap.c:180:10: warning[core.CallAndMessage]: 2nd function call argument is an uninitialized value
# 178|
# 179| /* ==> we have to walk L0 P2M */
# 180|-> rv = nestedhap_walk_L0_p2m(p2m, L1_gpa, &L0_gpa, &p2mt_10, &p2ma_10,
# 181| &page_order_10, npfec);
# 182|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/mem_access.c:157:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 155| if ( npfec.write_access && p2ma == p2m_access_rx2rw )
# 156| {
# 157|-> rc = p2m->set_entry(p2m, gfn, mfn, PAGE_ORDER_4K, p2mt, p2m_access_rw, -1);
# 158| ASSERT(rc == 0);
# 159| gfn_unlock(p2m, gfn, 0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/mem_access.c:165:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 163| {
# 164| ASSERT(npfec.write_access || npfec.read_access || npfec.insn_fetch);
# 165|-> rc = p2m->set_entry(p2m, gfn, mfn, PAGE_ORDER_4K,
# 166| p2mt, p2m_access_rwx, -1);
# 167| ASSERT(rc == 0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/mem_access.c:192:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 190| * restrictions. This set must succeed: we have the
# 191| * gfn locked and just did a successful get_entry(). */
# 192|-> rc = p2m->set_entry(p2m, gfn, mfn, PAGE_ORDER_4K,
# 193| p2mt, p2m_access_rwx, -1);
# 194| ASSERT(rc == 0);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/p2m-ept.c:348:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 346| iommu_sync_cache(next, EPT_PAGETABLE_ENTRIES * sizeof(ept_entry_t));
# 347|
# 348|-> rc = atomic_write_ept_entry(p2m, ept_entry, e, next_level);
# 349| ASSERT(rc == 0);
# 350| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/p2m-ept.c:391:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 389| if ( recalc )
# 390| e.recalc = 1;
# 391|-> rc = atomic_write_ept_entry(p2m, &epte[i], e, level - 1);
# 392| ASSERT(rc == 0);
# 393| changed = true;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/p2m-ept.c:443:9: warning[deadcode.DeadStores]: Value stored to 'wrc' is never read
# 441| goto out;
# 442| }
# 443|-> wrc = atomic_write_ept_entry(p2m, &table[index], split_ept_entry, i);
# 444| ASSERT(wrc == 0);
# 445|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/p2m-ept.c:465:13: warning[deadcode.DeadStores]: Value stored to 'wrc' is never read
# 463| e.emt = MTRR_NUM_TYPES;
# 464| e.recalc = 1;
# 465|-> wrc = atomic_write_ept_entry(p2m, &table[index], e, target);
# 466| ASSERT(wrc == 0);
# 467| rc = 1;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/p2m-ept.c:671:21: warning[deadcode.DeadStores]: Value stored to 'wrc' is never read
# 669| }
# 670| e.recalc = 0;
# 671|-> wrc = atomic_write_ept_entry(p2m, &epte[i], e, level);
# 672| ASSERT(wrc == 0);
# 673| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/p2m-ept.c:708:25: warning[deadcode.DeadStores]: Value stored to 'wrc' is never read
# 706| if ( ept_split_super_page(p2m, &e, level, level - 1) )
# 707| {
# 708|-> wrc = atomic_write_ept_entry(p2m, &epte[i], e, level);
# 709| ASSERT(wrc == 0);
# 710| unmap_domain_page(epte);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/p2m-ept.c:723:17: warning[deadcode.DeadStores]: Value stored to 'wrc' is never read
# 721| if ( recalc && p2m_is_changeable(e.sa_p2mt) )
# 722| ept_p2m_type_to_flags(p2m, &e);
# 723|-> wrc = atomic_write_ept_entry(p2m, &epte[i], e, level);
# 724| ASSERT(wrc == 0);
# 725| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/p2m-ept.c:738:13: warning[deadcode.DeadStores]: Value stored to 'wrc' is never read
# 736| e.emt = 0;
# 737| e.recalc = 0;
# 738|-> wrc = atomic_write_ept_entry(p2m, &epte[i], e, level);
# 739| ASSERT(wrc == 0);
# 740| unmap_domain_page(epte);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/p2m-ept.c:836:5: warning[deadcode.DeadStores]: Value stored to 'ret' is never read
# 834| table = map_domain_page(pagetable_get_mfn(p2m_get_pagetable(p2m)));
# 835|
# 836|-> ret = GUEST_TABLE_MAP_FAILED;
# 837| for ( i = ept->wl; i > target; i-- )
# 838| {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/p2m-ept.c:897:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 895| /* now install the newly split ept sub-tree */
# 896| /* NB: please make sure domian is paused and no in-fly VT-d DMA. */
# 897|-> rc = atomic_write_ept_entry(p2m, ept_entry, split_ept_entry, i);
# 898| ASSERT(rc == 0);
# 899|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/p2m-ept.c:1053:13: warning[deadcode.DeadStores]: Value stored to 'ept_entry' is never read
# 1051|
# 1052| index = gfn_remainder >> ( i * EPT_TABLE_ORDER);
# 1053|-> ept_entry = table + index;
# 1054|
# 1055| if ( p2m_pod_demand_populate(p2m, gfn_, i * EPT_TABLE_ORDER) )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/common.c:1593:39: warning[core.NullDereference]: Dereference of null pointer
# 1591| ASSERT(prev);
# 1592| /* Delete sp from the list */
# 1593|-> prev->next_shadow = sp->next_shadow;
# 1594| /* Re-insert it at the head of the list */
# 1595| set_next_shadow(sp, d->arch.paging.shadow.hash_table[key]);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/common.c:2513:5: warning[core.NullDereference]: Access to field 'update_cr3' results in a dereference of a null pointer (loaded from field 'mode')
# 2511| #endif /* OOS */
# 2512|
# 2513|-> v->arch.paging.mode->update_cr3(v, false);
# 2514| }
# 2515|
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c: scope_hint: In function ‘hvm_read’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c:114:10: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘addr’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c: scope_hint: In function ‘hvm_read’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c: scope_hint: In function ‘hvm_read’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c: scope_hint: In function ‘hvm_read’
# 112| return rc;
# 113|
# 114|-> rc = hvm_copy_from_guest_linear(p_data, addr, bytes,
# 115| (access_type == hvm_access_insn_fetch
# 116| ? PFEC_insn_fetch : 0),
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c:114:10: warning[core.CallAndMessage]: 2nd function call argument is an uninitialized value
# 112| return rc;
# 113|
# 114|-> rc = hvm_copy_from_guest_linear(p_data, addr, bytes,
# 115| (access_type == hvm_access_insn_fetch
# 116| ? PFEC_insn_fetch : 0),
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c:196:16: warning[core.UndefinedBinaryOperatorResult]: The left operand of '&' is a garbage value
# 194|
# 195| /* Unaligned writes are only acceptable on HVM */
# 196|-> if ( (addr & (bytes - 1)) && !is_hvm_vcpu(v) )
# 197| return X86EMUL_UNHANDLEABLE;
# 198|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c:250:16: warning[core.UndefinedBinaryOperatorResult]: The left operand of '&' is a garbage value
# 248|
# 249| /* Unaligned writes are only acceptable on HVM */
# 250|-> if ( (addr & (bytes - 1)) && !is_hvm_vcpu(v) )
# 251| return X86EMUL_UNHANDLEABLE;
# 252|
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c: scope_hint: In function ‘shadow_init_emulation’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c:334:11: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘addr’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c: scope_hint: In function ‘shadow_init_emulation’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c: scope_hint: In function ‘shadow_init_emulation’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c: scope_hint: In function ‘shadow_init_emulation’
# 332| x86_seg_cs, regs->rip, sizeof(sh_ctxt->insn_buf),
# 333| hvm_access_insn_fetch, sh_ctxt, &addr) &&
# 334|-> !hvm_copy_from_guest_linear(
# 335| sh_ctxt->insn_buf, addr, sizeof(sh_ctxt->insn_buf),
# 336| PFEC_insn_fetch, NULL))
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c:334:11: warning[core.CallAndMessage]: 2nd function call argument is an uninitialized value
# 332| x86_seg_cs, regs->rip, sizeof(sh_ctxt->insn_buf),
# 333| hvm_access_insn_fetch, sh_ctxt, &addr) &&
# 334|-> !hvm_copy_from_guest_linear(
# 335| sh_ctxt->insn_buf, addr, sizeof(sh_ctxt->insn_buf),
# 336| PFEC_insn_fetch, NULL))
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c: scope_hint: In function ‘shadow_continue_emulation’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c:365:15: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘addr’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c: scope_hint: In function ‘shadow_continue_emulation’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c: scope_hint: In function ‘shadow_continue_emulation’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c: scope_hint: In function ‘shadow_continue_emulation’
# 363| x86_seg_cs, regs->rip, sizeof(sh_ctxt->insn_buf),
# 364| hvm_access_insn_fetch, sh_ctxt, &addr) &&
# 365|-> !hvm_copy_from_guest_linear(
# 366| sh_ctxt->insn_buf, addr, sizeof(sh_ctxt->insn_buf),
# 367| PFEC_insn_fetch, NULL))
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c:365:15: warning[core.CallAndMessage]: 2nd function call argument is an uninitialized value
# 363| x86_seg_cs, regs->rip, sizeof(sh_ctxt->insn_buf),
# 364| hvm_access_insn_fetch, sh_ctxt, &addr) &&
# 365|-> !hvm_copy_from_guest_linear(
# 366| sh_ctxt->insn_buf, addr, sizeof(sh_ctxt->insn_buf),
# 367| PFEC_insn_fetch, NULL))
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/hvm.c:1132:30: warning[core.NullDereference]: Dereference of null pointer
# 1130| sl1e = map_sl1p + (sl1ma & ~PAGE_MASK);
# 1131|
# 1132|-> if ( l1e_get_flags(*sl1e) & _PAGE_DIRTY )
# 1133| {
# 1134| dirty = 1;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/guest_2.c:2: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/multi.c:1764:5: warning[deadcode.DeadStores]: Value stored to 'shadow_idx' is never read
# 1762| guest_idx = guest_index(new_gp);
# 1763| map_mfn = smfn;
# 1764|-> shadow_idx = shadow_index(&map_mfn, guest_idx);
# 1765| sl1p = map_domain_page(map_mfn);
# 1766|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/multi.c:3015:12: warning[deadcode.DeadStores]: Although the value stored to 'walk_ok' is used in the enclosing expression, the value is never actually read from 'walk_ok'
# 3013| #endif /* (SHADOW_OPTIMIZATIONS & SHOPT_VIRTUAL_TLB) */
# 3014|
# 3015|-> if ( !(walk_ok = sh_walk_guest_tables(v, va, &gw, *pfec)) )
# 3016| {
# 3017| *pfec = gw.pfec;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/multi.c:3340:19: warning[deadcode.DeadStores]: Value stored to 'smfn' during its initialization is never read
# 3338| #if SHADOW_PAGING_LEVELS == 3
# 3339| {
# 3340|-> mfn_t smfn = pagetable_get_mfn(v->arch.paging.shadow.shadow_table[0]);
# 3341| unsigned int i;
# 3342|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/multi.c:3465:5: warning[deadcode.DeadStores]: Value stored to 'r' is never read
# 3463| /* Found it! Need to remove its write permissions. */
# 3464| sl1e = shadow_l1e_remove_flags(sl1e, _PAGE_RW);
# 3465|-> r = shadow_set_l1e(d, sl1p, sl1e, p2m_ram_rw, smfn);
# 3466| ASSERT( !(r & SHADOW_SET_ERROR) );
# 3467|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/mm/shadow/set.c:100:12: warning[deadcode.DeadStores]: Although the value stored to 'res' is used in the enclosing expression, the value is never actually read from 'res'
# 98| */
# 99| if ( owner && (d != owner) &&
# 100|-> !(res = xsm_priv_mapping(XSM_TARGET, d, owner)) )
# 101| {
# 102| res = get_page_from_l1e(sl1e, d, owner);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/pci.c:37:9: warning[deadcode.DeadStores]: Value stored to 'value' is never read
# 35| break;
# 36| default:
# 37|-> value = 0;
# 38| BUG();
# 39| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/pv/emul-priv-op.c:1339:5: warning[deadcode.DeadStores]: Value stored to 'eflags' is never read
# 1337| ASSERT(!(regs->eflags & X86_EFLAGS_IOPL));
# 1338| regs->eflags |= curr->arch.pv.iopl;
# 1339|-> eflags = regs->eflags;
# 1340|
# 1341| ctxt.ctxt.addr_size = ar & _SEGMENT_L ? 64 : ar & _SEGMENT_DB ? 32 : 16;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/pv/hypercall.c:35:23: warning[deadcode.DeadStores]: Value stored to 'r8' during its initialization is never read
# 33| unsigned long rdx = regs->rdx;
# 34| unsigned long r10 = regs->r10;
# 35|-> unsigned long r8 = regs->r8;
# 36|
# 37| eax = regs->rax;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/pv/ro-page-fault.c:125:5: warning[deadcode.DeadStores]: Value stored to 'page' is never read
# 123| pte = ptwr_ctxt->pte;
# 124| mfn = l1e_get_mfn(pte);
# 125|-> page = mfn_to_page(mfn);
# 126|
# 127| /* We are looking only for read-only mappings of p.t. pages. */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:119:15: warning[deadcode.DeadStores]: Although the value stored to 'val' is used in the enclosing expression, the value is never actually read from 'val'
# 117| ss = strchr(s, '\0');
# 118|
# 119|-> if ( (val = parse_boolean("shstk", s, ss)) >= 0 )
# 120| {
# 121| #ifdef CONFIG_XEN_SHSTK
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:127:20: warning[deadcode.DeadStores]: Although the value stored to 'val' is used in the enclosing expression, the value is never actually read from 'val'
# 125| #endif
# 126| }
# 127|-> else if ( (val = parse_boolean("ibt", s, ss)) >= 0 )
# 128| {
# 129| #ifdef CONFIG_XEN_IBT
Error: GCC_ANALYZER_WARNING (CWE-127):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c: scope_hint: In function ‘__start_xen’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:1545:41: warning[-Wanalyzer-out-of-bounds]: buffer under-read
xen-4.18.1-build/xen-4.18.1/xen/include/xen/lib.h:13: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:2: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:836:21: note: in expansion of macro ‘strstr’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:1033:20: note: in expansion of macro ‘strstr’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/system.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/nospec.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/spinlock.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/rwlock.h:7: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/grant_table.h:27: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:1277:31: note: in expansion of macro ‘cpu_has_xen_ibt’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c: scope_hint: In function ‘__start_xen’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/page.h:208:8: note: in definition of macro ‘l1_table_offset’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c: scope_hint: In function ‘__start_xen’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/x86_64/page.h:24: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/page.h:16: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/pdx.h:215:24: note: in definition of macro ‘pfn_to_pdx’
# └────────────────────────────┘
# ^
# 1543| ASSERT(j);
# 1544| }
# 1545|-> map_e = boot_e820.map[j].addr + boot_e820.map[j].size;
# 1546| for ( j = 0; j < mbi->mods_count; ++j )
# 1547| {
Error: GCC_ANALYZER_WARNING (CWE-127):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:1545:65: warning[-Wanalyzer-out-of-bounds]: buffer under-read
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:836:21: note: in expansion of macro ‘strstr’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:1033:20: note: in expansion of macro ‘strstr’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c:1277:31: note: in expansion of macro ‘cpu_has_xen_ibt’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c: scope_hint: In function ‘__start_xen’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/page.h:208:8: note: in definition of macro ‘l1_table_offset’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/setup.c: scope_hint: In function ‘__start_xen’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/pdx.h:215:24: note: in definition of macro ‘pfn_to_pdx’
# └────────────────────────────┘
# ^
# 1543| ASSERT(j);
# 1544| }
# 1545|-> map_e = boot_e820.map[j].addr + boot_e820.map[j].size;
# 1546| for ( j = 0; j < mbi->mods_count; ++j )
# 1547| {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/smpboot.c:1082:11: warning[deadcode.DeadStores]: Value stored to 'stub_page' is never read
# 1080| disable_each_ist(idt_tables[cpu]);
# 1081|
# 1082|-> for ( stub_page = 0, i = cpu & ~(STUBS_PER_PAGE - 1);
# 1083| i < nr_cpu_ids && i <= (cpu | (STUBS_PER_PAGE - 1)); ++i )
# 1084| if ( cpu_online(i) && cpu_to_node(i) == node )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/time.c:297:5: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 295| {
# 296| uint64_t tsc_prev = *tsc = rdtsc_ordered(), tsc_min = ~0;
# 297|-> uint32_t best = best;
# 298| unsigned int i;
# 299|
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/time.c: scope_hint: In function ‘read_pt_and_tsc’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/time.c:318:12: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘best’
# 316| }
# 317|
# 318|-> return best;
# 319| }
# 320|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/time.c:1022:5: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 1020| {
# 1021| uint32_t tmcct_prev = *tmcct = apic_tmcct_read(), tmcct_min = ~0;
# 1022|-> uint64_t best = best;
# 1023| unsigned int i;
# 1024|
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/time.c: scope_hint: In function ‘read_pt_and_tmcct’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/time.c:1043:12: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘best’
# 1041| }
# 1042|
# 1043|-> return best;
# 1044| }
# 1045|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/time.c:1866:5: warning[deadcode.DeadStores]: Value stored to 'now' is never read
# 1864| /* The measurement runs for 20 msecs: */
# 1865| end = start + tsc_khz * 20ULL;
# 1866|-> now = start;
# 1867|
# 1868| for ( i = 0; ; i++ )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/traps.c:1509:5: warning[deadcode.DeadStores]: Value stored to 'mfn' is never read
# 1507| l1t = map_domain_page(_mfn(mfn));
# 1508| l1e = l1e_read_atomic(&l1t[l1_table_offset(addr)]);
# 1509|-> mfn = l1e_get_pfn(l1e);
# 1510| unmap_domain_page(l1t);
# 1511| if ( ((l1e_get_flags(l1e) & required_flags) != required_flags) ||
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c: scope_hint: Assembler messages
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:30: Error: bad expression
# 28| {
# 29| OFFSET(UREGS_r15, struct cpu_user_regs, r15);
# 30|-> OFFSET(UREGS_r14, struct cpu_user_regs, r14);
# 31| OFFSET(UREGS_r13, struct cpu_user_regs, r13);
# 32| OFFSET(UREGS_r12, struct cpu_user_regs, r12);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:30: Error: junk at end of line, first unrecognized character is `#'
# 28| {
# 29| OFFSET(UREGS_r15, struct cpu_user_regs, r15);
# 30|-> OFFSET(UREGS_r14, struct cpu_user_regs, r14);
# 31| OFFSET(UREGS_r13, struct cpu_user_regs, r13);
# 32| OFFSET(UREGS_r12, struct cpu_user_regs, r12);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:31: Error: symbol `.ascii' is already defined
# 29| OFFSET(UREGS_r15, struct cpu_user_regs, r15);
# 30| OFFSET(UREGS_r14, struct cpu_user_regs, r14);
# 31|-> OFFSET(UREGS_r13, struct cpu_user_regs, r13);
# 32| OFFSET(UREGS_r12, struct cpu_user_regs, r12);
# 33| OFFSET(UREGS_rbp, struct cpu_user_regs, rbp);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:32: Error: symbol `.ascii' is already defined
# 30| OFFSET(UREGS_r14, struct cpu_user_regs, r14);
# 31| OFFSET(UREGS_r13, struct cpu_user_regs, r13);
# 32|-> OFFSET(UREGS_r12, struct cpu_user_regs, r12);
# 33| OFFSET(UREGS_rbp, struct cpu_user_regs, rbp);
# 34| OFFSET(UREGS_rbx, struct cpu_user_regs, rbx);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:33: Error: symbol `.ascii' is already defined
# 31| OFFSET(UREGS_r13, struct cpu_user_regs, r13);
# 32| OFFSET(UREGS_r12, struct cpu_user_regs, r12);
# 33|-> OFFSET(UREGS_rbp, struct cpu_user_regs, rbp);
# 34| OFFSET(UREGS_rbx, struct cpu_user_regs, rbx);
# 35| OFFSET(UREGS_r11, struct cpu_user_regs, r11);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:34: Error: symbol `.ascii' is already defined
# 32| OFFSET(UREGS_r12, struct cpu_user_regs, r12);
# 33| OFFSET(UREGS_rbp, struct cpu_user_regs, rbp);
# 34|-> OFFSET(UREGS_rbx, struct cpu_user_regs, rbx);
# 35| OFFSET(UREGS_r11, struct cpu_user_regs, r11);
# 36| OFFSET(UREGS_r10, struct cpu_user_regs, r10);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:35: Error: symbol `.ascii' is already defined
# 33| OFFSET(UREGS_rbp, struct cpu_user_regs, rbp);
# 34| OFFSET(UREGS_rbx, struct cpu_user_regs, rbx);
# 35|-> OFFSET(UREGS_r11, struct cpu_user_regs, r11);
# 36| OFFSET(UREGS_r10, struct cpu_user_regs, r10);
# 37| OFFSET(UREGS_r9, struct cpu_user_regs, r9);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:36: Error: symbol `.ascii' is already defined
# 34| OFFSET(UREGS_rbx, struct cpu_user_regs, rbx);
# 35| OFFSET(UREGS_r11, struct cpu_user_regs, r11);
# 36|-> OFFSET(UREGS_r10, struct cpu_user_regs, r10);
# 37| OFFSET(UREGS_r9, struct cpu_user_regs, r9);
# 38| OFFSET(UREGS_r8, struct cpu_user_regs, r8);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:37: Error: symbol `.ascii' is already defined
# 35| OFFSET(UREGS_r11, struct cpu_user_regs, r11);
# 36| OFFSET(UREGS_r10, struct cpu_user_regs, r10);
# 37|-> OFFSET(UREGS_r9, struct cpu_user_regs, r9);
# 38| OFFSET(UREGS_r8, struct cpu_user_regs, r8);
# 39| OFFSET(UREGS_rax, struct cpu_user_regs, rax);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:38: Error: symbol `.ascii' is already defined
# 36| OFFSET(UREGS_r10, struct cpu_user_regs, r10);
# 37| OFFSET(UREGS_r9, struct cpu_user_regs, r9);
# 38|-> OFFSET(UREGS_r8, struct cpu_user_regs, r8);
# 39| OFFSET(UREGS_rax, struct cpu_user_regs, rax);
# 40| OFFSET(UREGS_rcx, struct cpu_user_regs, rcx);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:39: Error: symbol `.ascii' is already defined
# 37| OFFSET(UREGS_r9, struct cpu_user_regs, r9);
# 38| OFFSET(UREGS_r8, struct cpu_user_regs, r8);
# 39|-> OFFSET(UREGS_rax, struct cpu_user_regs, rax);
# 40| OFFSET(UREGS_rcx, struct cpu_user_regs, rcx);
# 41| OFFSET(UREGS_rdx, struct cpu_user_regs, rdx);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:40: Error: symbol `.ascii' is already defined
# 38| OFFSET(UREGS_r8, struct cpu_user_regs, r8);
# 39| OFFSET(UREGS_rax, struct cpu_user_regs, rax);
# 40|-> OFFSET(UREGS_rcx, struct cpu_user_regs, rcx);
# 41| OFFSET(UREGS_rdx, struct cpu_user_regs, rdx);
# 42| OFFSET(UREGS_rsi, struct cpu_user_regs, rsi);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:41: Error: symbol `.ascii' is already defined
# 39| OFFSET(UREGS_rax, struct cpu_user_regs, rax);
# 40| OFFSET(UREGS_rcx, struct cpu_user_regs, rcx);
# 41|-> OFFSET(UREGS_rdx, struct cpu_user_regs, rdx);
# 42| OFFSET(UREGS_rsi, struct cpu_user_regs, rsi);
# 43| OFFSET(UREGS_rdi, struct cpu_user_regs, rdi);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:42: Error: symbol `.ascii' is already defined
# 40| OFFSET(UREGS_rcx, struct cpu_user_regs, rcx);
# 41| OFFSET(UREGS_rdx, struct cpu_user_regs, rdx);
# 42|-> OFFSET(UREGS_rsi, struct cpu_user_regs, rsi);
# 43| OFFSET(UREGS_rdi, struct cpu_user_regs, rdi);
# 44| OFFSET(UREGS_error_code, struct cpu_user_regs, error_code);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:43: Error: symbol `.ascii' is already defined
# 41| OFFSET(UREGS_rdx, struct cpu_user_regs, rdx);
# 42| OFFSET(UREGS_rsi, struct cpu_user_regs, rsi);
# 43|-> OFFSET(UREGS_rdi, struct cpu_user_regs, rdi);
# 44| OFFSET(UREGS_error_code, struct cpu_user_regs, error_code);
# 45| OFFSET(UREGS_entry_vector, struct cpu_user_regs, entry_vector);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:44: Error: symbol `.ascii' is already defined
# 42| OFFSET(UREGS_rsi, struct cpu_user_regs, rsi);
# 43| OFFSET(UREGS_rdi, struct cpu_user_regs, rdi);
# 44|-> OFFSET(UREGS_error_code, struct cpu_user_regs, error_code);
# 45| OFFSET(UREGS_entry_vector, struct cpu_user_regs, entry_vector);
# 46| OFFSET(UREGS_rip, struct cpu_user_regs, rip);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:45: Error: symbol `.ascii' is already defined
# 43| OFFSET(UREGS_rdi, struct cpu_user_regs, rdi);
# 44| OFFSET(UREGS_error_code, struct cpu_user_regs, error_code);
# 45|-> OFFSET(UREGS_entry_vector, struct cpu_user_regs, entry_vector);
# 46| OFFSET(UREGS_rip, struct cpu_user_regs, rip);
# 47| OFFSET(UREGS_cs, struct cpu_user_regs, cs);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:46: Error: symbol `.ascii' is already defined
# 44| OFFSET(UREGS_error_code, struct cpu_user_regs, error_code);
# 45| OFFSET(UREGS_entry_vector, struct cpu_user_regs, entry_vector);
# 46|-> OFFSET(UREGS_rip, struct cpu_user_regs, rip);
# 47| OFFSET(UREGS_cs, struct cpu_user_regs, cs);
# 48| OFFSET(UREGS_eflags, struct cpu_user_regs, rflags);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:47: Error: symbol `.ascii' is already defined
# 45| OFFSET(UREGS_entry_vector, struct cpu_user_regs, entry_vector);
# 46| OFFSET(UREGS_rip, struct cpu_user_regs, rip);
# 47|-> OFFSET(UREGS_cs, struct cpu_user_regs, cs);
# 48| OFFSET(UREGS_eflags, struct cpu_user_regs, rflags);
# 49| OFFSET(UREGS_rsp, struct cpu_user_regs, rsp);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:48: Error: symbol `.ascii' is already defined
# 46| OFFSET(UREGS_rip, struct cpu_user_regs, rip);
# 47| OFFSET(UREGS_cs, struct cpu_user_regs, cs);
# 48|-> OFFSET(UREGS_eflags, struct cpu_user_regs, rflags);
# 49| OFFSET(UREGS_rsp, struct cpu_user_regs, rsp);
# 50| OFFSET(UREGS_ss, struct cpu_user_regs, ss);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:49: Error: symbol `.ascii' is already defined
# 47| OFFSET(UREGS_cs, struct cpu_user_regs, cs);
# 48| OFFSET(UREGS_eflags, struct cpu_user_regs, rflags);
# 49|-> OFFSET(UREGS_rsp, struct cpu_user_regs, rsp);
# 50| OFFSET(UREGS_ss, struct cpu_user_regs, ss);
# 51| OFFSET(UREGS_kernel_sizeof, struct cpu_user_regs, es);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:50: Error: symbol `.ascii' is already defined
# 48| OFFSET(UREGS_eflags, struct cpu_user_regs, rflags);
# 49| OFFSET(UREGS_rsp, struct cpu_user_regs, rsp);
# 50|-> OFFSET(UREGS_ss, struct cpu_user_regs, ss);
# 51| OFFSET(UREGS_kernel_sizeof, struct cpu_user_regs, es);
# 52| BLANK();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:51: Error: symbol `.ascii' is already defined
# 49| OFFSET(UREGS_rsp, struct cpu_user_regs, rsp);
# 50| OFFSET(UREGS_ss, struct cpu_user_regs, ss);
# 51|-> OFFSET(UREGS_kernel_sizeof, struct cpu_user_regs, es);
# 52| BLANK();
# 53|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:52: Error: symbol `.ascii' is already defined
# 50| OFFSET(UREGS_ss, struct cpu_user_regs, ss);
# 51| OFFSET(UREGS_kernel_sizeof, struct cpu_user_regs, es);
# 52|-> BLANK();
# 53|
# 54| /*
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:53: Error: symbol `.ascii' is already defined
# 51| OFFSET(UREGS_kernel_sizeof, struct cpu_user_regs, es);
# 52| BLANK();
# 53|->
# 54| /*
# 55| * EFRAME_* is for the entry/exit logic where %rsp is pointing at
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:63: Error: symbol `.ascii' is already defined
# 61|
# 62| OFFSET_EF(EFRAME_entry_vector, entry_vector);
# 63|-> OFFSET_EF(EFRAME_rip, rip);
# 64| OFFSET_EF(EFRAME_cs, cs);
# 65| OFFSET_EF(EFRAME_eflags, eflags);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:64: Error: symbol `.ascii' is already defined
# 62| OFFSET_EF(EFRAME_entry_vector, entry_vector);
# 63| OFFSET_EF(EFRAME_rip, rip);
# 64|-> OFFSET_EF(EFRAME_cs, cs);
# 65| OFFSET_EF(EFRAME_eflags, eflags);
# 66|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:65: Error: symbol `.ascii' is already defined
# 63| OFFSET_EF(EFRAME_rip, rip);
# 64| OFFSET_EF(EFRAME_cs, cs);
# 65|-> OFFSET_EF(EFRAME_eflags, eflags);
# 66|
# 67| /*
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:66: Error: symbol `.ascii' is already defined
# 64| OFFSET_EF(EFRAME_cs, cs);
# 65| OFFSET_EF(EFRAME_eflags, eflags);
# 66|->
# 67| /*
# 68| * These aren't real fields. They're spare space, used by the IST
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:72: Error: symbol `.ascii' is already defined
# 70| */
# 71| OFFSET_EF(EFRAME_shadow_scf, eflags, +4);
# 72|-> OFFSET_EF(EFRAME_shadow_sel, eflags, +6);
# 73|
# 74| OFFSET_EF(EFRAME_rsp, rsp);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:73: Error: symbol `.ascii' is already defined
# 71| OFFSET_EF(EFRAME_shadow_scf, eflags, +4);
# 72| OFFSET_EF(EFRAME_shadow_sel, eflags, +6);
# 73|->
# 74| OFFSET_EF(EFRAME_rsp, rsp);
# 75| BLANK();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:75: Error: symbol `.ascii' is already defined
# 73|
# 74| OFFSET_EF(EFRAME_rsp, rsp);
# 75|-> BLANK();
# 76|
# 77| #undef OFFSET_EF
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:76: Error: symbol `.ascii' is already defined
# 74| OFFSET_EF(EFRAME_rsp, rsp);
# 75| BLANK();
# 76|->
# 77| #undef OFFSET_EF
# 78|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:80: Error: symbol `.ascii' is already defined
# 78|
# 79| OFFSET(VCPU_processor, struct vcpu, processor);
# 80|-> OFFSET(VCPU_domain, struct vcpu, domain);
# 81| OFFSET(VCPU_vcpu_info, struct vcpu, vcpu_info_area.map);
# 82| OFFSET(VCPU_trap_bounce, struct vcpu, arch.pv.trap_bounce);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:81: Error: symbol `.ascii' is already defined
# 79| OFFSET(VCPU_processor, struct vcpu, processor);
# 80| OFFSET(VCPU_domain, struct vcpu, domain);
# 81|-> OFFSET(VCPU_vcpu_info, struct vcpu, vcpu_info_area.map);
# 82| OFFSET(VCPU_trap_bounce, struct vcpu, arch.pv.trap_bounce);
# 83| OFFSET(VCPU_thread_flags, struct vcpu, arch.flags);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:82: Error: symbol `.ascii' is already defined
# 80| OFFSET(VCPU_domain, struct vcpu, domain);
# 81| OFFSET(VCPU_vcpu_info, struct vcpu, vcpu_info_area.map);
# 82|-> OFFSET(VCPU_trap_bounce, struct vcpu, arch.pv.trap_bounce);
# 83| OFFSET(VCPU_thread_flags, struct vcpu, arch.flags);
# 84| OFFSET(VCPU_event_addr, struct vcpu, arch.pv.event_callback_eip);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:83: Error: symbol `.ascii' is already defined
# 81| OFFSET(VCPU_vcpu_info, struct vcpu, vcpu_info_area.map);
# 82| OFFSET(VCPU_trap_bounce, struct vcpu, arch.pv.trap_bounce);
# 83|-> OFFSET(VCPU_thread_flags, struct vcpu, arch.flags);
# 84| OFFSET(VCPU_event_addr, struct vcpu, arch.pv.event_callback_eip);
# 85| OFFSET(VCPU_event_sel, struct vcpu, arch.pv.event_callback_cs);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:84: Error: symbol `.ascii' is already defined
# 82| OFFSET(VCPU_trap_bounce, struct vcpu, arch.pv.trap_bounce);
# 83| OFFSET(VCPU_thread_flags, struct vcpu, arch.flags);
# 84|-> OFFSET(VCPU_event_addr, struct vcpu, arch.pv.event_callback_eip);
# 85| OFFSET(VCPU_event_sel, struct vcpu, arch.pv.event_callback_cs);
# 86| OFFSET(VCPU_syscall_addr, struct vcpu, arch.pv.syscall_callback_eip);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:85: Error: symbol `.ascii' is already defined
# 83| OFFSET(VCPU_thread_flags, struct vcpu, arch.flags);
# 84| OFFSET(VCPU_event_addr, struct vcpu, arch.pv.event_callback_eip);
# 85|-> OFFSET(VCPU_event_sel, struct vcpu, arch.pv.event_callback_cs);
# 86| OFFSET(VCPU_syscall_addr, struct vcpu, arch.pv.syscall_callback_eip);
# 87| OFFSET(VCPU_syscall32_addr, struct vcpu, arch.pv.syscall32_callback_eip);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:86: Error: symbol `.ascii' is already defined
# 84| OFFSET(VCPU_event_addr, struct vcpu, arch.pv.event_callback_eip);
# 85| OFFSET(VCPU_event_sel, struct vcpu, arch.pv.event_callback_cs);
# 86|-> OFFSET(VCPU_syscall_addr, struct vcpu, arch.pv.syscall_callback_eip);
# 87| OFFSET(VCPU_syscall32_addr, struct vcpu, arch.pv.syscall32_callback_eip);
# 88| OFFSET(VCPU_syscall32_sel, struct vcpu, arch.pv.syscall32_callback_cs);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:87: Error: symbol `.ascii' is already defined
# 85| OFFSET(VCPU_event_sel, struct vcpu, arch.pv.event_callback_cs);
# 86| OFFSET(VCPU_syscall_addr, struct vcpu, arch.pv.syscall_callback_eip);
# 87|-> OFFSET(VCPU_syscall32_addr, struct vcpu, arch.pv.syscall32_callback_eip);
# 88| OFFSET(VCPU_syscall32_sel, struct vcpu, arch.pv.syscall32_callback_cs);
# 89| OFFSET(VCPU_syscall32_disables_events,
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:88: Error: symbol `.ascii' is already defined
# 86| OFFSET(VCPU_syscall_addr, struct vcpu, arch.pv.syscall_callback_eip);
# 87| OFFSET(VCPU_syscall32_addr, struct vcpu, arch.pv.syscall32_callback_eip);
# 88|-> OFFSET(VCPU_syscall32_sel, struct vcpu, arch.pv.syscall32_callback_cs);
# 89| OFFSET(VCPU_syscall32_disables_events,
# 90| struct vcpu, arch.pv.syscall32_disables_events);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:89: Error: symbol `.ascii' is already defined
# 87| OFFSET(VCPU_syscall32_addr, struct vcpu, arch.pv.syscall32_callback_eip);
# 88| OFFSET(VCPU_syscall32_sel, struct vcpu, arch.pv.syscall32_callback_cs);
# 89|-> OFFSET(VCPU_syscall32_disables_events,
# 90| struct vcpu, arch.pv.syscall32_disables_events);
# 91| OFFSET(VCPU_sysenter_addr, struct vcpu, arch.pv.sysenter_callback_eip);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:90: Error: symbol `.ascii' is already defined
# 88| OFFSET(VCPU_syscall32_sel, struct vcpu, arch.pv.syscall32_callback_cs);
# 89| OFFSET(VCPU_syscall32_disables_events,
# 90|-> struct vcpu, arch.pv.syscall32_disables_events);
# 91| OFFSET(VCPU_sysenter_addr, struct vcpu, arch.pv.sysenter_callback_eip);
# 92| OFFSET(VCPU_sysenter_sel, struct vcpu, arch.pv.sysenter_callback_cs);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:92: Error: symbol `.ascii' is already defined
# 90| struct vcpu, arch.pv.syscall32_disables_events);
# 91| OFFSET(VCPU_sysenter_addr, struct vcpu, arch.pv.sysenter_callback_eip);
# 92|-> OFFSET(VCPU_sysenter_sel, struct vcpu, arch.pv.sysenter_callback_cs);
# 93| OFFSET(VCPU_sysenter_disables_events,
# 94| struct vcpu, arch.pv.sysenter_disables_events);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:93: Error: symbol `.ascii' is already defined
# 91| OFFSET(VCPU_sysenter_addr, struct vcpu, arch.pv.sysenter_callback_eip);
# 92| OFFSET(VCPU_sysenter_sel, struct vcpu, arch.pv.sysenter_callback_cs);
# 93|-> OFFSET(VCPU_sysenter_disables_events,
# 94| struct vcpu, arch.pv.sysenter_disables_events);
# 95| OFFSET(VCPU_trap_ctxt, struct vcpu, arch.pv.trap_ctxt);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:94: Error: symbol `.ascii' is already defined
# 92| OFFSET(VCPU_sysenter_sel, struct vcpu, arch.pv.sysenter_callback_cs);
# 93| OFFSET(VCPU_sysenter_disables_events,
# 94|-> struct vcpu, arch.pv.sysenter_disables_events);
# 95| OFFSET(VCPU_trap_ctxt, struct vcpu, arch.pv.trap_ctxt);
# 96| OFFSET(VCPU_kernel_sp, struct vcpu, arch.pv.kernel_sp);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:96: Error: symbol `.ascii' is already defined
# 94| struct vcpu, arch.pv.sysenter_disables_events);
# 95| OFFSET(VCPU_trap_ctxt, struct vcpu, arch.pv.trap_ctxt);
# 96|-> OFFSET(VCPU_kernel_sp, struct vcpu, arch.pv.kernel_sp);
# 97| OFFSET(VCPU_kernel_ss, struct vcpu, arch.pv.kernel_ss);
# 98| OFFSET(VCPU_iopl, struct vcpu, arch.pv.iopl);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:97: Error: symbol `.ascii' is already defined
# 95| OFFSET(VCPU_trap_ctxt, struct vcpu, arch.pv.trap_ctxt);
# 96| OFFSET(VCPU_kernel_sp, struct vcpu, arch.pv.kernel_sp);
# 97|-> OFFSET(VCPU_kernel_ss, struct vcpu, arch.pv.kernel_ss);
# 98| OFFSET(VCPU_iopl, struct vcpu, arch.pv.iopl);
# 99| OFFSET(VCPU_guest_context_flags, struct vcpu, arch.pv.vgc_flags);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:98: Error: symbol `.ascii' is already defined
# 96| OFFSET(VCPU_kernel_sp, struct vcpu, arch.pv.kernel_sp);
# 97| OFFSET(VCPU_kernel_ss, struct vcpu, arch.pv.kernel_ss);
# 98|-> OFFSET(VCPU_iopl, struct vcpu, arch.pv.iopl);
# 99| OFFSET(VCPU_guest_context_flags, struct vcpu, arch.pv.vgc_flags);
# 100| OFFSET(VCPU_cr3, struct vcpu, arch.cr3);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:99: Error: symbol `.ascii' is already defined
# 97| OFFSET(VCPU_kernel_ss, struct vcpu, arch.pv.kernel_ss);
# 98| OFFSET(VCPU_iopl, struct vcpu, arch.pv.iopl);
# 99|-> OFFSET(VCPU_guest_context_flags, struct vcpu, arch.pv.vgc_flags);
# 100| OFFSET(VCPU_cr3, struct vcpu, arch.cr3);
# 101| OFFSET(VCPU_arch_msrs, struct vcpu, arch.msrs);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:100: Error: symbol `.ascii' is already defined
# 98| OFFSET(VCPU_iopl, struct vcpu, arch.pv.iopl);
# 99| OFFSET(VCPU_guest_context_flags, struct vcpu, arch.pv.vgc_flags);
# 100|-> OFFSET(VCPU_cr3, struct vcpu, arch.cr3);
# 101| OFFSET(VCPU_arch_msrs, struct vcpu, arch.msrs);
# 102| OFFSET(VCPU_nmi_pending, struct vcpu, arch.nmi_pending);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:101: Error: symbol `.ascii' is already defined
# 99| OFFSET(VCPU_guest_context_flags, struct vcpu, arch.pv.vgc_flags);
# 100| OFFSET(VCPU_cr3, struct vcpu, arch.cr3);
# 101|-> OFFSET(VCPU_arch_msrs, struct vcpu, arch.msrs);
# 102| OFFSET(VCPU_nmi_pending, struct vcpu, arch.nmi_pending);
# 103| OFFSET(VCPU_mce_pending, struct vcpu, arch.mce_pending);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:102: Error: symbol `.ascii' is already defined
# 100| OFFSET(VCPU_cr3, struct vcpu, arch.cr3);
# 101| OFFSET(VCPU_arch_msrs, struct vcpu, arch.msrs);
# 102|-> OFFSET(VCPU_nmi_pending, struct vcpu, arch.nmi_pending);
# 103| OFFSET(VCPU_mce_pending, struct vcpu, arch.mce_pending);
# 104| OFFSET(VCPU_nmi_old_mask, struct vcpu, arch.nmi_state.old_mask);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:103: Error: symbol `.ascii' is already defined
# 101| OFFSET(VCPU_arch_msrs, struct vcpu, arch.msrs);
# 102| OFFSET(VCPU_nmi_pending, struct vcpu, arch.nmi_pending);
# 103|-> OFFSET(VCPU_mce_pending, struct vcpu, arch.mce_pending);
# 104| OFFSET(VCPU_nmi_old_mask, struct vcpu, arch.nmi_state.old_mask);
# 105| OFFSET(VCPU_mce_old_mask, struct vcpu, arch.mce_state.old_mask);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:104: Error: symbol `.ascii' is already defined
# 102| OFFSET(VCPU_nmi_pending, struct vcpu, arch.nmi_pending);
# 103| OFFSET(VCPU_mce_pending, struct vcpu, arch.mce_pending);
# 104|-> OFFSET(VCPU_nmi_old_mask, struct vcpu, arch.nmi_state.old_mask);
# 105| OFFSET(VCPU_mce_old_mask, struct vcpu, arch.mce_state.old_mask);
# 106| OFFSET(VCPU_async_exception_mask, struct vcpu, arch.async_exception_mask);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:105: Error: symbol `.ascii' is already defined
# 103| OFFSET(VCPU_mce_pending, struct vcpu, arch.mce_pending);
# 104| OFFSET(VCPU_nmi_old_mask, struct vcpu, arch.nmi_state.old_mask);
# 105|-> OFFSET(VCPU_mce_old_mask, struct vcpu, arch.mce_state.old_mask);
# 106| OFFSET(VCPU_async_exception_mask, struct vcpu, arch.async_exception_mask);
# 107| DEFINE(VCPU_TRAP_NMI, VCPU_TRAP_NMI);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:106: Error: symbol `.ascii' is already defined
# 104| OFFSET(VCPU_nmi_old_mask, struct vcpu, arch.nmi_state.old_mask);
# 105| OFFSET(VCPU_mce_old_mask, struct vcpu, arch.mce_state.old_mask);
# 106|-> OFFSET(VCPU_async_exception_mask, struct vcpu, arch.async_exception_mask);
# 107| DEFINE(VCPU_TRAP_NMI, VCPU_TRAP_NMI);
# 108| DEFINE(VCPU_TRAP_MCE, VCPU_TRAP_MCE);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:107: Error: symbol `.ascii' is already defined
# 105| OFFSET(VCPU_mce_old_mask, struct vcpu, arch.mce_state.old_mask);
# 106| OFFSET(VCPU_async_exception_mask, struct vcpu, arch.async_exception_mask);
# 107|-> DEFINE(VCPU_TRAP_NMI, VCPU_TRAP_NMI);
# 108| DEFINE(VCPU_TRAP_MCE, VCPU_TRAP_MCE);
# 109| DEFINE(_VGCF_syscall_disables_events, _VGCF_syscall_disables_events);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:108: Error: symbol `.ascii' is already defined
# 106| OFFSET(VCPU_async_exception_mask, struct vcpu, arch.async_exception_mask);
# 107| DEFINE(VCPU_TRAP_NMI, VCPU_TRAP_NMI);
# 108|-> DEFINE(VCPU_TRAP_MCE, VCPU_TRAP_MCE);
# 109| DEFINE(_VGCF_syscall_disables_events, _VGCF_syscall_disables_events);
# 110| BLANK();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:109: Error: symbol `.ascii' is already defined
# 107| DEFINE(VCPU_TRAP_NMI, VCPU_TRAP_NMI);
# 108| DEFINE(VCPU_TRAP_MCE, VCPU_TRAP_MCE);
# 109|-> DEFINE(_VGCF_syscall_disables_events, _VGCF_syscall_disables_events);
# 110| BLANK();
# 111|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:110: Error: symbol `.ascii' is already defined
# 108| DEFINE(VCPU_TRAP_MCE, VCPU_TRAP_MCE);
# 109| DEFINE(_VGCF_syscall_disables_events, _VGCF_syscall_disables_events);
# 110|-> BLANK();
# 111|
# 112| #ifdef CONFIG_HVM
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:111: Error: symbol `.ascii' is already defined
# 109| DEFINE(_VGCF_syscall_disables_events, _VGCF_syscall_disables_events);
# 110| BLANK();
# 111|->
# 112| #ifdef CONFIG_HVM
# 113| OFFSET(VCPU_svm_vmcb_pa, struct vcpu, arch.hvm.svm.vmcb_pa);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:114: Error: symbol `.ascii' is already defined
# 112| #ifdef CONFIG_HVM
# 113| OFFSET(VCPU_svm_vmcb_pa, struct vcpu, arch.hvm.svm.vmcb_pa);
# 114|-> OFFSET(VCPU_svm_vmcb, struct vcpu, arch.hvm.svm.vmcb);
# 115| BLANK();
# 116|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:115: Error: symbol `.ascii' is already defined
# 113| OFFSET(VCPU_svm_vmcb_pa, struct vcpu, arch.hvm.svm.vmcb_pa);
# 114| OFFSET(VCPU_svm_vmcb, struct vcpu, arch.hvm.svm.vmcb);
# 115|-> BLANK();
# 116|
# 117| OFFSET(VCPU_vmx_launched, struct vcpu, arch.hvm.vmx.launched);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:116: Error: symbol `.ascii' is already defined
# 114| OFFSET(VCPU_svm_vmcb, struct vcpu, arch.hvm.svm.vmcb);
# 115| BLANK();
# 116|->
# 117| OFFSET(VCPU_vmx_launched, struct vcpu, arch.hvm.vmx.launched);
# 118| OFFSET(VCPU_vmx_realmode, struct vcpu, arch.hvm.vmx.vmx_realmode);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:118: Error: symbol `.ascii' is already defined
# 116|
# 117| OFFSET(VCPU_vmx_launched, struct vcpu, arch.hvm.vmx.launched);
# 118|-> OFFSET(VCPU_vmx_realmode, struct vcpu, arch.hvm.vmx.vmx_realmode);
# 119| OFFSET(VCPU_vmx_emulate, struct vcpu, arch.hvm.vmx.vmx_emulate);
# 120| OFFSET(VCPU_vm86_seg_mask, struct vcpu, arch.hvm.vmx.vm86_segment_mask);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:119: Error: symbol `.ascii' is already defined
# 117| OFFSET(VCPU_vmx_launched, struct vcpu, arch.hvm.vmx.launched);
# 118| OFFSET(VCPU_vmx_realmode, struct vcpu, arch.hvm.vmx.vmx_realmode);
# 119|-> OFFSET(VCPU_vmx_emulate, struct vcpu, arch.hvm.vmx.vmx_emulate);
# 120| OFFSET(VCPU_vm86_seg_mask, struct vcpu, arch.hvm.vmx.vm86_segment_mask);
# 121| OFFSET(VCPU_hvm_guest_cr2, struct vcpu, arch.hvm.guest_cr[2]);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:120: Error: symbol `.ascii' is already defined
# 118| OFFSET(VCPU_vmx_realmode, struct vcpu, arch.hvm.vmx.vmx_realmode);
# 119| OFFSET(VCPU_vmx_emulate, struct vcpu, arch.hvm.vmx.vmx_emulate);
# 120|-> OFFSET(VCPU_vm86_seg_mask, struct vcpu, arch.hvm.vmx.vm86_segment_mask);
# 121| OFFSET(VCPU_hvm_guest_cr2, struct vcpu, arch.hvm.guest_cr[2]);
# 122| BLANK();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:121: Error: symbol `.ascii' is already defined
# 119| OFFSET(VCPU_vmx_emulate, struct vcpu, arch.hvm.vmx.vmx_emulate);
# 120| OFFSET(VCPU_vm86_seg_mask, struct vcpu, arch.hvm.vmx.vm86_segment_mask);
# 121|-> OFFSET(VCPU_hvm_guest_cr2, struct vcpu, arch.hvm.guest_cr[2]);
# 122| BLANK();
# 123|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:122: Error: symbol `.ascii' is already defined
# 120| OFFSET(VCPU_vm86_seg_mask, struct vcpu, arch.hvm.vmx.vm86_segment_mask);
# 121| OFFSET(VCPU_hvm_guest_cr2, struct vcpu, arch.hvm.guest_cr[2]);
# 122|-> BLANK();
# 123|
# 124| OFFSET(VCPU_nhvm_guestmode, struct vcpu, arch.hvm.nvcpu.nv_guestmode);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:123: Error: symbol `.ascii' is already defined
# 121| OFFSET(VCPU_hvm_guest_cr2, struct vcpu, arch.hvm.guest_cr[2]);
# 122| BLANK();
# 123|->
# 124| OFFSET(VCPU_nhvm_guestmode, struct vcpu, arch.hvm.nvcpu.nv_guestmode);
# 125| OFFSET(VCPU_nhvm_p2m, struct vcpu, arch.hvm.nvcpu.nv_p2m);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:125: Error: symbol `.ascii' is already defined
# 123|
# 124| OFFSET(VCPU_nhvm_guestmode, struct vcpu, arch.hvm.nvcpu.nv_guestmode);
# 125|-> OFFSET(VCPU_nhvm_p2m, struct vcpu, arch.hvm.nvcpu.nv_p2m);
# 126| OFFSET(VCPU_nsvm_hap_enabled, struct vcpu, arch.hvm.nvcpu.u.nsvm.ns_hap_enabled);
# 127| BLANK();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:126: Error: symbol `.ascii' is already defined
# 124| OFFSET(VCPU_nhvm_guestmode, struct vcpu, arch.hvm.nvcpu.nv_guestmode);
# 125| OFFSET(VCPU_nhvm_p2m, struct vcpu, arch.hvm.nvcpu.nv_p2m);
# 126|-> OFFSET(VCPU_nsvm_hap_enabled, struct vcpu, arch.hvm.nvcpu.u.nsvm.ns_hap_enabled);
# 127| BLANK();
# 128| #endif
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:127: Error: symbol `.ascii' is already defined
# 125| OFFSET(VCPU_nhvm_p2m, struct vcpu, arch.hvm.nvcpu.nv_p2m);
# 126| OFFSET(VCPU_nsvm_hap_enabled, struct vcpu, arch.hvm.nvcpu.u.nsvm.ns_hap_enabled);
# 127|-> BLANK();
# 128| #endif
# 129|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:128: Error: symbol `.ascii' is already defined
# 126| OFFSET(VCPU_nsvm_hap_enabled, struct vcpu, arch.hvm.nvcpu.u.nsvm.ns_hap_enabled);
# 127| BLANK();
# 128|-> #endif
# 129|
# 130| #ifdef CONFIG_PV32
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:132: Error: symbol `.ascii' is already defined
# 130| #ifdef CONFIG_PV32
# 131| OFFSET(DOMAIN_is_32bit_pv, struct domain, arch.pv.is_32bit);
# 132|-> BLANK();
# 133|
# 134| OFFSET(COMPAT_VCPUINFO_upcall_pending, struct compat_vcpu_info, evtchn_upcall_pending);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:133: Error: symbol `.ascii' is already defined
# 131| OFFSET(DOMAIN_is_32bit_pv, struct domain, arch.pv.is_32bit);
# 132| BLANK();
# 133|->
# 134| OFFSET(COMPAT_VCPUINFO_upcall_pending, struct compat_vcpu_info, evtchn_upcall_pending);
# 135| OFFSET(COMPAT_VCPUINFO_upcall_mask, struct compat_vcpu_info, evtchn_upcall_mask);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:135: Error: symbol `.ascii' is already defined
# 133|
# 134| OFFSET(COMPAT_VCPUINFO_upcall_pending, struct compat_vcpu_info, evtchn_upcall_pending);
# 135|-> OFFSET(COMPAT_VCPUINFO_upcall_mask, struct compat_vcpu_info, evtchn_upcall_mask);
# 136| BLANK();
# 137| #endif
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:136: Error: symbol `.ascii' is already defined
# 134| OFFSET(COMPAT_VCPUINFO_upcall_pending, struct compat_vcpu_info, evtchn_upcall_pending);
# 135| OFFSET(COMPAT_VCPUINFO_upcall_mask, struct compat_vcpu_info, evtchn_upcall_mask);
# 136|-> BLANK();
# 137| #endif
# 138|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:137: Error: symbol `.ascii' is already defined
# 135| OFFSET(COMPAT_VCPUINFO_upcall_mask, struct compat_vcpu_info, evtchn_upcall_mask);
# 136| BLANK();
# 137|-> #endif
# 138|
# 139| #ifdef CONFIG_PV
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:141: Error: symbol `.ascii' is already defined
# 139| #ifdef CONFIG_PV
# 140| OFFSET(VCPUINFO_upcall_pending, struct vcpu_info, evtchn_upcall_pending);
# 141|-> OFFSET(VCPUINFO_upcall_mask, struct vcpu_info, evtchn_upcall_mask);
# 142| BLANK();
# 143| #endif
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:142: Error: symbol `.ascii' is already defined
# 140| OFFSET(VCPUINFO_upcall_pending, struct vcpu_info, evtchn_upcall_pending);
# 141| OFFSET(VCPUINFO_upcall_mask, struct vcpu_info, evtchn_upcall_mask);
# 142|-> BLANK();
# 143| #endif
# 144|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:143: Error: symbol `.ascii' is already defined
# 141| OFFSET(VCPUINFO_upcall_mask, struct vcpu_info, evtchn_upcall_mask);
# 142| BLANK();
# 143|-> #endif
# 144|
# 145| OFFSET(CPUINFO_guest_cpu_user_regs, struct cpu_info, guest_cpu_user_regs);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:146: Error: symbol `.ascii' is already defined
# 144|
# 145| OFFSET(CPUINFO_guest_cpu_user_regs, struct cpu_info, guest_cpu_user_regs);
# 146|-> OFFSET(CPUINFO_error_code, struct cpu_info, guest_cpu_user_regs.error_code);
# 147| OFFSET(CPUINFO_rip, struct cpu_info, guest_cpu_user_regs.rip);
# 148| OFFSET(CPUINFO_verw_sel, struct cpu_info, verw_sel);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:147: Error: symbol `.ascii' is already defined
# 145| OFFSET(CPUINFO_guest_cpu_user_regs, struct cpu_info, guest_cpu_user_regs);
# 146| OFFSET(CPUINFO_error_code, struct cpu_info, guest_cpu_user_regs.error_code);
# 147|-> OFFSET(CPUINFO_rip, struct cpu_info, guest_cpu_user_regs.rip);
# 148| OFFSET(CPUINFO_verw_sel, struct cpu_info, verw_sel);
# 149| OFFSET(CPUINFO_current_vcpu, struct cpu_info, current_vcpu);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:148: Error: symbol `.ascii' is already defined
# 146| OFFSET(CPUINFO_error_code, struct cpu_info, guest_cpu_user_regs.error_code);
# 147| OFFSET(CPUINFO_rip, struct cpu_info, guest_cpu_user_regs.rip);
# 148|-> OFFSET(CPUINFO_verw_sel, struct cpu_info, verw_sel);
# 149| OFFSET(CPUINFO_current_vcpu, struct cpu_info, current_vcpu);
# 150| OFFSET(CPUINFO_per_cpu_offset, struct cpu_info, per_cpu_offset);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:149: Error: symbol `.ascii' is already defined
# 147| OFFSET(CPUINFO_rip, struct cpu_info, guest_cpu_user_regs.rip);
# 148| OFFSET(CPUINFO_verw_sel, struct cpu_info, verw_sel);
# 149|-> OFFSET(CPUINFO_current_vcpu, struct cpu_info, current_vcpu);
# 150| OFFSET(CPUINFO_per_cpu_offset, struct cpu_info, per_cpu_offset);
# 151| OFFSET(CPUINFO_cr4, struct cpu_info, cr4);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:150: Error: symbol `.ascii' is already defined
# 148| OFFSET(CPUINFO_verw_sel, struct cpu_info, verw_sel);
# 149| OFFSET(CPUINFO_current_vcpu, struct cpu_info, current_vcpu);
# 150|-> OFFSET(CPUINFO_per_cpu_offset, struct cpu_info, per_cpu_offset);
# 151| OFFSET(CPUINFO_cr4, struct cpu_info, cr4);
# 152| OFFSET(CPUINFO_xen_cr3, struct cpu_info, xen_cr3);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:151: Error: symbol `.ascii' is already defined
# 149| OFFSET(CPUINFO_current_vcpu, struct cpu_info, current_vcpu);
# 150| OFFSET(CPUINFO_per_cpu_offset, struct cpu_info, per_cpu_offset);
# 151|-> OFFSET(CPUINFO_cr4, struct cpu_info, cr4);
# 152| OFFSET(CPUINFO_xen_cr3, struct cpu_info, xen_cr3);
# 153| OFFSET(CPUINFO_pv_cr3, struct cpu_info, pv_cr3);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:152: Error: symbol `.ascii' is already defined
# 150| OFFSET(CPUINFO_per_cpu_offset, struct cpu_info, per_cpu_offset);
# 151| OFFSET(CPUINFO_cr4, struct cpu_info, cr4);
# 152|-> OFFSET(CPUINFO_xen_cr3, struct cpu_info, xen_cr3);
# 153| OFFSET(CPUINFO_pv_cr3, struct cpu_info, pv_cr3);
# 154| OFFSET(CPUINFO_shadow_spec_ctrl, struct cpu_info, shadow_spec_ctrl);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:153: Error: symbol `.ascii' is already defined
# 151| OFFSET(CPUINFO_cr4, struct cpu_info, cr4);
# 152| OFFSET(CPUINFO_xen_cr3, struct cpu_info, xen_cr3);
# 153|-> OFFSET(CPUINFO_pv_cr3, struct cpu_info, pv_cr3);
# 154| OFFSET(CPUINFO_shadow_spec_ctrl, struct cpu_info, shadow_spec_ctrl);
# 155| OFFSET(CPUINFO_xen_spec_ctrl, struct cpu_info, xen_spec_ctrl);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:154: Error: symbol `.ascii' is already defined
# 152| OFFSET(CPUINFO_xen_cr3, struct cpu_info, xen_cr3);
# 153| OFFSET(CPUINFO_pv_cr3, struct cpu_info, pv_cr3);
# 154|-> OFFSET(CPUINFO_shadow_spec_ctrl, struct cpu_info, shadow_spec_ctrl);
# 155| OFFSET(CPUINFO_xen_spec_ctrl, struct cpu_info, xen_spec_ctrl);
# 156| OFFSET(CPUINFO_last_spec_ctrl, struct cpu_info, last_spec_ctrl);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:155: Error: symbol `.ascii' is already defined
# 153| OFFSET(CPUINFO_pv_cr3, struct cpu_info, pv_cr3);
# 154| OFFSET(CPUINFO_shadow_spec_ctrl, struct cpu_info, shadow_spec_ctrl);
# 155|-> OFFSET(CPUINFO_xen_spec_ctrl, struct cpu_info, xen_spec_ctrl);
# 156| OFFSET(CPUINFO_last_spec_ctrl, struct cpu_info, last_spec_ctrl);
# 157| OFFSET(CPUINFO_spec_ctrl_flags, struct cpu_info, spec_ctrl_flags);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:156: Error: symbol `.ascii' is already defined
# 154| OFFSET(CPUINFO_shadow_spec_ctrl, struct cpu_info, shadow_spec_ctrl);
# 155| OFFSET(CPUINFO_xen_spec_ctrl, struct cpu_info, xen_spec_ctrl);
# 156|-> OFFSET(CPUINFO_last_spec_ctrl, struct cpu_info, last_spec_ctrl);
# 157| OFFSET(CPUINFO_spec_ctrl_flags, struct cpu_info, spec_ctrl_flags);
# 158| OFFSET(CPUINFO_root_pgt_changed, struct cpu_info, root_pgt_changed);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:157: Error: symbol `.ascii' is already defined
# 155| OFFSET(CPUINFO_xen_spec_ctrl, struct cpu_info, xen_spec_ctrl);
# 156| OFFSET(CPUINFO_last_spec_ctrl, struct cpu_info, last_spec_ctrl);
# 157|-> OFFSET(CPUINFO_spec_ctrl_flags, struct cpu_info, spec_ctrl_flags);
# 158| OFFSET(CPUINFO_root_pgt_changed, struct cpu_info, root_pgt_changed);
# 159| OFFSET(CPUINFO_use_pv_cr3, struct cpu_info, use_pv_cr3);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:158: Error: symbol `.ascii' is already defined
# 156| OFFSET(CPUINFO_last_spec_ctrl, struct cpu_info, last_spec_ctrl);
# 157| OFFSET(CPUINFO_spec_ctrl_flags, struct cpu_info, spec_ctrl_flags);
# 158|-> OFFSET(CPUINFO_root_pgt_changed, struct cpu_info, root_pgt_changed);
# 159| OFFSET(CPUINFO_use_pv_cr3, struct cpu_info, use_pv_cr3);
# 160| DEFINE(CPUINFO_sizeof, sizeof(struct cpu_info));
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:159: Error: symbol `.ascii' is already defined
# 157| OFFSET(CPUINFO_spec_ctrl_flags, struct cpu_info, spec_ctrl_flags);
# 158| OFFSET(CPUINFO_root_pgt_changed, struct cpu_info, root_pgt_changed);
# 159|-> OFFSET(CPUINFO_use_pv_cr3, struct cpu_info, use_pv_cr3);
# 160| DEFINE(CPUINFO_sizeof, sizeof(struct cpu_info));
# 161| BLANK();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:160: Error: symbol `.ascii' is already defined
# 158| OFFSET(CPUINFO_root_pgt_changed, struct cpu_info, root_pgt_changed);
# 159| OFFSET(CPUINFO_use_pv_cr3, struct cpu_info, use_pv_cr3);
# 160|-> DEFINE(CPUINFO_sizeof, sizeof(struct cpu_info));
# 161| BLANK();
# 162|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:161: Error: symbol `.ascii' is already defined
# 159| OFFSET(CPUINFO_use_pv_cr3, struct cpu_info, use_pv_cr3);
# 160| DEFINE(CPUINFO_sizeof, sizeof(struct cpu_info));
# 161|-> BLANK();
# 162|
# 163| #ifdef CONFIG_PV
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:162: Error: symbol `.ascii' is already defined
# 160| DEFINE(CPUINFO_sizeof, sizeof(struct cpu_info));
# 161| BLANK();
# 162|->
# 163| #ifdef CONFIG_PV
# 164| OFFSET(TRAPINFO_eip, struct trap_info, address);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:165: Error: symbol `.ascii' is already defined
# 163| #ifdef CONFIG_PV
# 164| OFFSET(TRAPINFO_eip, struct trap_info, address);
# 165|-> OFFSET(TRAPINFO_cs, struct trap_info, cs);
# 166| OFFSET(TRAPINFO_flags, struct trap_info, flags);
# 167| DEFINE(TRAPINFO_sizeof, sizeof(struct trap_info));
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:166: Error: symbol `.ascii' is already defined
# 164| OFFSET(TRAPINFO_eip, struct trap_info, address);
# 165| OFFSET(TRAPINFO_cs, struct trap_info, cs);
# 166|-> OFFSET(TRAPINFO_flags, struct trap_info, flags);
# 167| DEFINE(TRAPINFO_sizeof, sizeof(struct trap_info));
# 168| BLANK();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:167: Error: symbol `.ascii' is already defined
# 165| OFFSET(TRAPINFO_cs, struct trap_info, cs);
# 166| OFFSET(TRAPINFO_flags, struct trap_info, flags);
# 167|-> DEFINE(TRAPINFO_sizeof, sizeof(struct trap_info));
# 168| BLANK();
# 169|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:168: Error: symbol `.ascii' is already defined
# 166| OFFSET(TRAPINFO_flags, struct trap_info, flags);
# 167| DEFINE(TRAPINFO_sizeof, sizeof(struct trap_info));
# 168|-> BLANK();
# 169|
# 170| OFFSET(TRAPBOUNCE_error_code, struct trap_bounce, error_code);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:169: Error: symbol `.ascii' is already defined
# 167| DEFINE(TRAPINFO_sizeof, sizeof(struct trap_info));
# 168| BLANK();
# 169|->
# 170| OFFSET(TRAPBOUNCE_error_code, struct trap_bounce, error_code);
# 171| OFFSET(TRAPBOUNCE_flags, struct trap_bounce, flags);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:171: Error: symbol `.ascii' is already defined
# 169|
# 170| OFFSET(TRAPBOUNCE_error_code, struct trap_bounce, error_code);
# 171|-> OFFSET(TRAPBOUNCE_flags, struct trap_bounce, flags);
# 172| OFFSET(TRAPBOUNCE_cs, struct trap_bounce, cs);
# 173| OFFSET(TRAPBOUNCE_eip, struct trap_bounce, eip);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:172: Error: symbol `.ascii' is already defined
# 170| OFFSET(TRAPBOUNCE_error_code, struct trap_bounce, error_code);
# 171| OFFSET(TRAPBOUNCE_flags, struct trap_bounce, flags);
# 172|-> OFFSET(TRAPBOUNCE_cs, struct trap_bounce, cs);
# 173| OFFSET(TRAPBOUNCE_eip, struct trap_bounce, eip);
# 174| BLANK();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:173: Error: symbol `.ascii' is already defined
# 171| OFFSET(TRAPBOUNCE_flags, struct trap_bounce, flags);
# 172| OFFSET(TRAPBOUNCE_cs, struct trap_bounce, cs);
# 173|-> OFFSET(TRAPBOUNCE_eip, struct trap_bounce, eip);
# 174| BLANK();
# 175| #endif
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:174: Error: symbol `.ascii' is already defined
# 172| OFFSET(TRAPBOUNCE_cs, struct trap_bounce, cs);
# 173| OFFSET(TRAPBOUNCE_eip, struct trap_bounce, eip);
# 174|-> BLANK();
# 175| #endif
# 176|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:175: Error: symbol `.ascii' is already defined
# 173| OFFSET(TRAPBOUNCE_eip, struct trap_bounce, eip);
# 174| BLANK();
# 175|-> #endif
# 176|
# 177| OFFSET(VCPUMSR_spec_ctrl_raw, struct vcpu_msrs, spec_ctrl.raw);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:178: Error: symbol `.ascii' is already defined
# 176|
# 177| OFFSET(VCPUMSR_spec_ctrl_raw, struct vcpu_msrs, spec_ctrl.raw);
# 178|-> BLANK();
# 179|
# 180| #ifdef CONFIG_PERF_COUNTERS
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:179: Error: symbol `.ascii' is already defined
# 177| OFFSET(VCPUMSR_spec_ctrl_raw, struct vcpu_msrs, spec_ctrl.raw);
# 178| BLANK();
# 179|->
# 180| #ifdef CONFIG_PERF_COUNTERS
# 181| DEFINE(ASM_PERFC_exceptions, PERFC_exceptions);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:186: Error: symbol `.ascii' is already defined
# 184|
# 185| DEFINE(IRQSTAT_shift, ilog2(sizeof(irq_cpustat_t)));
# 186|-> OFFSET(IRQSTAT_softirq_pending, irq_cpustat_t, __softirq_pending);
# 187| BLANK();
# 188|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:187: Error: symbol `.ascii' is already defined
# 185| DEFINE(IRQSTAT_shift, ilog2(sizeof(irq_cpustat_t)));
# 186| OFFSET(IRQSTAT_softirq_pending, irq_cpustat_t, __softirq_pending);
# 187|-> BLANK();
# 188|
# 189| OFFSET(CPUINFO_features, struct cpuinfo_x86, x86_capability);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:188: Error: symbol `.ascii' is already defined
# 186| OFFSET(IRQSTAT_softirq_pending, irq_cpustat_t, __softirq_pending);
# 187| BLANK();
# 188|->
# 189| OFFSET(CPUINFO_features, struct cpuinfo_x86, x86_capability);
# 190| BLANK();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:190: Error: symbol `.ascii' is already defined
# 188|
# 189| OFFSET(CPUINFO_features, struct cpuinfo_x86, x86_capability);
# 190|-> BLANK();
# 191|
# 192| OFFSET(MB_flags, multiboot_info_t, flags);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:191: Error: symbol `.ascii' is already defined
# 189| OFFSET(CPUINFO_features, struct cpuinfo_x86, x86_capability);
# 190| BLANK();
# 191|->
# 192| OFFSET(MB_flags, multiboot_info_t, flags);
# 193| OFFSET(MB_cmdline, multiboot_info_t, cmdline);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:193: Error: symbol `.ascii' is already defined
# 191|
# 192| OFFSET(MB_flags, multiboot_info_t, flags);
# 193|-> OFFSET(MB_cmdline, multiboot_info_t, cmdline);
# 194| OFFSET(MB_mem_lower, multiboot_info_t, mem_lower);
# 195| BLANK();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:194: Error: symbol `.ascii' is already defined
# 192| OFFSET(MB_flags, multiboot_info_t, flags);
# 193| OFFSET(MB_cmdline, multiboot_info_t, cmdline);
# 194|-> OFFSET(MB_mem_lower, multiboot_info_t, mem_lower);
# 195| BLANK();
# 196|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:195: Error: symbol `.ascii' is already defined
# 193| OFFSET(MB_cmdline, multiboot_info_t, cmdline);
# 194| OFFSET(MB_mem_lower, multiboot_info_t, mem_lower);
# 195|-> BLANK();
# 196|
# 197| DEFINE(MB2_fixed_sizeof, sizeof(multiboot2_fixed_t));
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:196: Error: symbol `.ascii' is already defined
# 194| OFFSET(MB_mem_lower, multiboot_info_t, mem_lower);
# 195| BLANK();
# 196|->
# 197| DEFINE(MB2_fixed_sizeof, sizeof(multiboot2_fixed_t));
# 198| OFFSET(MB2_fixed_total_size, multiboot2_fixed_t, total_size);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:198: Error: symbol `.ascii' is already defined
# 196|
# 197| DEFINE(MB2_fixed_sizeof, sizeof(multiboot2_fixed_t));
# 198|-> OFFSET(MB2_fixed_total_size, multiboot2_fixed_t, total_size);
# 199| OFFSET(MB2_tag_type, multiboot2_tag_t, type);
# 200| OFFSET(MB2_tag_size, multiboot2_tag_t, size);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:199: Error: symbol `.ascii' is already defined
# 197| DEFINE(MB2_fixed_sizeof, sizeof(multiboot2_fixed_t));
# 198| OFFSET(MB2_fixed_total_size, multiboot2_fixed_t, total_size);
# 199|-> OFFSET(MB2_tag_type, multiboot2_tag_t, type);
# 200| OFFSET(MB2_tag_size, multiboot2_tag_t, size);
# 201| OFFSET(MB2_load_base_addr, multiboot2_tag_load_base_addr_t, load_base_addr);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:200: Error: symbol `.ascii' is already defined
# 198| OFFSET(MB2_fixed_total_size, multiboot2_fixed_t, total_size);
# 199| OFFSET(MB2_tag_type, multiboot2_tag_t, type);
# 200|-> OFFSET(MB2_tag_size, multiboot2_tag_t, size);
# 201| OFFSET(MB2_load_base_addr, multiboot2_tag_load_base_addr_t, load_base_addr);
# 202| OFFSET(MB2_mem_lower, multiboot2_tag_basic_meminfo_t, mem_lower);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:201: Error: symbol `.ascii' is already defined
# 199| OFFSET(MB2_tag_type, multiboot2_tag_t, type);
# 200| OFFSET(MB2_tag_size, multiboot2_tag_t, size);
# 201|-> OFFSET(MB2_load_base_addr, multiboot2_tag_load_base_addr_t, load_base_addr);
# 202| OFFSET(MB2_mem_lower, multiboot2_tag_basic_meminfo_t, mem_lower);
# 203| OFFSET(MB2_efi64_st, multiboot2_tag_efi64_t, pointer);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:202: Error: symbol `.ascii' is already defined
# 200| OFFSET(MB2_tag_size, multiboot2_tag_t, size);
# 201| OFFSET(MB2_load_base_addr, multiboot2_tag_load_base_addr_t, load_base_addr);
# 202|-> OFFSET(MB2_mem_lower, multiboot2_tag_basic_meminfo_t, mem_lower);
# 203| OFFSET(MB2_efi64_st, multiboot2_tag_efi64_t, pointer);
# 204| OFFSET(MB2_efi64_ih, multiboot2_tag_efi64_ih_t, pointer);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:203: Error: symbol `.ascii' is already defined
# 201| OFFSET(MB2_load_base_addr, multiboot2_tag_load_base_addr_t, load_base_addr);
# 202| OFFSET(MB2_mem_lower, multiboot2_tag_basic_meminfo_t, mem_lower);
# 203|-> OFFSET(MB2_efi64_st, multiboot2_tag_efi64_t, pointer);
# 204| OFFSET(MB2_efi64_ih, multiboot2_tag_efi64_ih_t, pointer);
# 205| OFFSET(MB2_tag_string, multiboot2_tag_string_t, string);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:204: Error: symbol `.ascii' is already defined
# 202| OFFSET(MB2_mem_lower, multiboot2_tag_basic_meminfo_t, mem_lower);
# 203| OFFSET(MB2_efi64_st, multiboot2_tag_efi64_t, pointer);
# 204|-> OFFSET(MB2_efi64_ih, multiboot2_tag_efi64_ih_t, pointer);
# 205| OFFSET(MB2_tag_string, multiboot2_tag_string_t, string);
# 206| BLANK();
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:205: Error: symbol `.ascii' is already defined
# 203| OFFSET(MB2_efi64_st, multiboot2_tag_efi64_t, pointer);
# 204| OFFSET(MB2_efi64_ih, multiboot2_tag_efi64_ih_t, pointer);
# 205|-> OFFSET(MB2_tag_string, multiboot2_tag_string_t, string);
# 206| BLANK();
# 207|
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:206: Error: symbol `.ascii' is already defined
# 204| OFFSET(MB2_efi64_ih, multiboot2_tag_efi64_ih_t, pointer);
# 205| OFFSET(MB2_tag_string, multiboot2_tag_string_t, string);
# 206|-> BLANK();
# 207|
# 208| OFFSET(DOMAIN_vm_assist, struct domain, vm_assist);
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:207: Error: symbol `.ascii' is already defined
# 205| OFFSET(MB2_tag_string, multiboot2_tag_string_t, string);
# 206| BLANK();
# 207|->
# 208| OFFSET(DOMAIN_vm_assist, struct domain, vm_assist);
# 209| }
Error: COMPILER_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:209: Error: symbol `.ascii' is already defined
# 207|
# 208| OFFSET(DOMAIN_vm_assist, struct domain, vm_assist);
# 209|-> }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/mm.c:172:11: warning[deadcode.DeadStores]: Value stored to 'm2p_start_mfn' during its initialization is never read
# 170| {
# 171| unsigned long i, n, v;
# 172|-> mfn_t m2p_start_mfn = INVALID_MFN;
# 173| l3_pgentry_t l3e;
# 174| l2_pgentry_t l2e;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/mm.c:410:5: warning[deadcode.DeadStores]: Value stored to 'va' is never read
# 408| ~((1UL << (L2_PAGETABLE_SHIFT - 3)) -1));
# 409|
# 410|-> va = RO_MPT_VIRT_START + smap * sizeof(*machine_to_phys_mapping);
# 411|
# 412| #define MFN(x) (((x) << L2_PAGETABLE_SHIFT) / sizeof(unsigned long))
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/mm.c:829:5: warning[deadcode.DeadStores]: Value stored to 'nidx' is never read
# 827|
# 828| eidx = DIV_ROUND_UP(mfn_to_pdx(epfn), PDX_GROUP_COUNT);
# 829|-> nidx = cidx = mfn_to_pdx(spfn)/PDX_GROUP_COUNT;
# 830|
# 831| ASSERT( mfn_to_pdx(epfn) <= (DIRECTMAP_SIZE >> PAGE_SHIFT) &&
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/traps.c:376:5: warning[deadcode.DeadStores]: Value stored to 'offset' is never read
# 374| /* Trampoline for SYSCALL entry from compatibility mode. */
# 375| wrmsrl(MSR_CSTAR, stub_va);
# 376|-> offset += write_stub_trampoline(stub_page + (stub_va & ~PAGE_MASK),
# 377| stub_va, stack_bottom,
# 378| (unsigned long)cstar_enter);
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_emulate/0f01.c:294: error[shiftTooManyBitsSigned]: Shifting signed 64-bit value by 63 bits is undefined behaviour
# 292| &base, mode_64bit() ? 8 : 4, ctxt, ops)) )
# 293| goto done;
# 294|-> generate_exception_if(!is_canonical_address(base), X86_EXC_GP, 0);
# 295| sreg.base = base;
# 296| sreg.limit = limit;
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_emulate/0fae.c:193: error[shiftTooManyBitsSigned]: Shifting signed 64-bit value by 63 bits is undefined behaviour
# 191| {
# 192| sreg.base = *dst->reg;
# 193|-> generate_exception_if(!is_canonical_address(sreg.base),
# 194| X86_EXC_GP, 0);
# 195| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_emulate/0fc7.c:185:17: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 183|
# 184| case X86EMUL_CMPXCHG_FAILED:
# 185|-> rc = X86EMUL_OKAY;
# 186| goto cmpxchgNb_failed;
# 187|
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_emulate/x86_emulate.c:990: error[shiftTooManyBitsSigned]: Shifting signed 64-bit value by 63 bits is undefined behaviour
# 988| if ( (desc_hi.b & 0x00001f00) ||
# 989| (seg != x86_seg_none &&
# 990|-> !is_canonical_address((uint64_t)desc_hi.a << 32)) )
# 991| goto raise_exn;
# 992| }
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_emulate/x86_emulate.c:2027: error[shiftTooManyBitsSigned]: Shifting signed 64-bit value by 63 bits is undefined behaviour
# 2025| if ( (rc = ops->read_segment(x86_seg_cs, &sreg, ctxt)) ||
# 2026| (rc = load_seg(x86_seg_cs, imm2, 0, &cs, ctxt, ops)) ||
# 2027|-> (validate_far_branch(&cs, imm1),
# 2028| src.val = sreg.sel,
# 2029| rc = ops->write(x86_seg_ss, sp_pre_dec(op_bytes),
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_emulate/x86_emulate.c:2357: error[shiftTooManyBitsSigned]: Shifting signed 64-bit value by 63 bits is undefined behaviour
# 2355| &src.val, op_bytes, ctxt, ops)) ||
# 2356| (rc = load_seg(x86_seg_cs, src.val, 1, &cs, ctxt, ops)) ||
# 2357|-> (rc = commit_far_branch(&cs, dst.val)) )
# 2358| goto done;
# 2359| break;
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_emulate/x86_emulate.c:2413: error[shiftTooManyBitsSigned]: Shifting signed 64-bit value by 63 bits is undefined behaviour
# 2411| _regs.eflags |= (eflags & ~mask) | X86_EFLAGS_MBS;
# 2412| if ( (rc = load_seg(x86_seg_cs, sel, 1, &cs, ctxt, ops)) ||
# 2413|-> (rc = commit_far_branch(&cs, (uint32_t)eip)) )
# 2414| goto done;
# 2415| break;
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_emulate/x86_emulate.c:2532: error[shiftTooManyBitsSigned]: Shifting signed 64-bit value by 63 bits is undefined behaviour
# 2530| far_jmp:
# 2531| if ( (rc = load_seg(x86_seg_cs, imm2, 0, &cs, ctxt, ops)) ||
# 2532|-> (rc = commit_far_branch(&cs, imm1)) )
# 2533| goto done;
# 2534| break;
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_emulate/x86_emulate.c:3077: error[shiftTooManyBitsSigned]: Shifting signed 64-bit value by 63 bits is undefined behaviour
# 3075| * XSA-7 (CVE-2012-0217).
# 3076| */
# 3077|-> generate_exception_if(ctxt->cpuid->x86_vendor == X86_VENDOR_INTEL &&
# 3078| op_bytes == 8 && !is_canonical_address(_regs.rcx),
# 3079| X86_EXC_GP, 0);
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_emulate/x86_emulate.c:3874: error[shiftTooManyBitsSigned]: Shifting signed 64-bit value by 63 bits is undefined behaviour
# 3872|
# 3873| generate_exception_if(!(msr_val & 0xfffc), X86_EXC_GP, 0);
# 3874|-> generate_exception_if(op_bytes == 8 &&
# 3875| (!is_canonical_address(_regs.r(dx)) ||
# 3876| !is_canonical_address(_regs.r(cx))),
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_emulate/x86_emulate.c:6281: error[shiftTooManyBitsSigned]: Shifting signed 64-bit value by 63 bits is undefined behaviour
# 6279| {
# 6280| case X86_INVPCID_INDIV_ADDR:
# 6281|-> generate_exception_if(!is_canonical_address(mmvalp->xmm[1]),
# 6282| X86_EXC_GP, 0);
# 6283| /* fall through */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/xstate.c:564:5: warning[deadcode.DeadStores]: Value stored to 'ok' is never read
# 562| ASSERT(ok);
# 563| size = cpuid_count_ebx(XSTATE_CPUID, 0);
# 564|-> ok = set_xcr0(act_xcr0);
# 565| ASSERT(ok);
# 566|
Error: CPPCHECK_WARNING (CWE-758):
xen-4.18.1-build/xen-4.18.1/xen/common/bunzip2.c:140: error[shiftTooManyBits]: Shifting 32-bit value by 32 bits is undefined behaviour
# 138| /* Calculate result */
# 139| bd->inbufBitCount -= bits_wanted;
# 140|-> bits |= (bd->inbufBits >> bd->inbufBitCount)&((1 << bits_wanted)-1);
# 141|
# 142| return bits;
Error: GCC_ANALYZER_WARNING (CWE-1335):
xen-4.18.1-build/xen-4.18.1/xen/common/bunzip2.c: scope_hint: In function ‘get_bits’
xen-4.18.1-build/xen-4.18.1/xen/common/bunzip2.c:140:58: warning[-Wanalyzer-shift-count-overflow]: shift by count (‘32’) >= precision of type (‘32’)
# 138| /* Calculate result */
# 139| bd->inbufBitCount -= bits_wanted;
# 140|-> bits |= (bd->inbufBits >> bd->inbufBitCount)&((1 << bits_wanted)-1);
# 141|
# 142| return bits;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_decompress_unsafe_bzip2.c:8: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/bunzip2.c:666:13: warning[unix.MallocSizeof]: Result of 'malloc' is converted to a pointer of type 'unsigned int', which is incompatible with sizeof operand type 'int'
# 664| bd->dbufSize = 100000*(i-BZh0);
# 665|
# 666|-> bd->dbuf = large_malloc(bd->dbufSize * sizeof(int));
# 667| if (!bd->dbuf)
# 668| return RETVAL_OUT_OF_MEMORY;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c:665:48: warning[core.NullDereference]: Access to field 'max_vcpus' results in a dereference of a null pointer (loaded from variable 'config')
# 663| {
# 664| err = -ENOMEM;
# 665|-> d->vcpu = xzalloc_array(struct vcpu *, config->max_vcpus);
# 666| if ( !d->vcpu )
# 667| goto fail;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/include/xen/lib.h:12: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c:9: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c: scope_hint: In function ‘domain_create’
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c:665:54: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘config’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/xmalloc.h:36:65: note: in definition of macro ‘xzalloc_array’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/config.h:17: included_from: Included from here.
<command-line>: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/trace.h:86:14: note: in expansion of macro ‘unlikely’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/trace.h:94:5: note: in expansion of macro ‘TRACE_varD’
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c:624:5: note: in expansion of macro ‘TRACE_1D’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/xmalloc.h:36:65: note: in definition of macro ‘xzalloc_array’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/xmalloc.h:36:65: note: in definition of macro ‘xzalloc_array’
# 663| {
# 664| err = -ENOMEM;
# 665|-> d->vcpu = xzalloc_array(struct vcpu *, config->max_vcpus);
# 666| if ( !d->vcpu )
# 667| goto fail;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c:712:52: warning[core.NullDereference]: Access to field 'ssidref' results in a dereference of a null pointer (loaded from variable 'config')
# 710| goto fail;
# 711|
# 712|-> if ( (err = xsm_domain_create(XSM_HOOK, d, config->ssidref)) != 0 )
# 713| goto fail;
# 714|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c:718:21: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘config’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/trace.h:86:14: note: in expansion of macro ‘unlikely’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/trace.h:94:5: note: in expansion of macro ‘TRACE_varD’
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c:624:5: note: in expansion of macro ‘TRACE_1D’
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c: scope_hint: In function ‘domain_create’
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c:701:11: note: in expansion of macro ‘is_idle_domain’
# 716| atomic_inc(&d->pause_count);
# 717|
# 718|-> if ( (err = evtchn_init(d, config->max_evtchn_port)) != 0 )
# 719| goto fail;
# 720| init_status |= INIT_evtchn;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c:749:9: warning[deadcode.DeadStores]: Value stored to 'pd' is never read
# 747|
# 748| spin_lock(&domlist_update_lock);
# 749|-> pd = &domain_list; /* NB. domain_list maintained in order of domid. */
# 750| for ( pd = &domain_list; *pd != NULL; pd = &(*pd)->next_in_list )
# 751| if ( (*pd)->domain_id > d->domain_id )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c:1857:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 1855| }
# 1856|
# 1857|-> rc = 0;
# 1858| v = d->vcpu[vcpuid];
# 1859|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/domain.c:2002:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 2000| struct vcpu_register_runstate_memory_area area;
# 2001|
# 2002|-> rc = -ENOSYS;
# 2003| if ( 0 /* TODO: Dom's XENFEAT_runstate_phys_area setting */ )
# 2004| break;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘getdomaininfo’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:74:21: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘getdomaininfo’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘getdomaininfo’
# 72| memset(info, 0, sizeof(*info));
# 73|
# 74|-> info->domain = d->domain_id;
# 75| info->max_vcpu_id = XEN_INVALID_MAX_VCPU_ID;
# 76|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘vnuma_init’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:226:30: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘vnuma_init’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘vnuma_init’
# 224| nr_vnodes = uinfo->nr_vnodes;
# 225|
# 226|-> if ( uinfo->nr_vcpus != d->max_vcpus || uinfo->pad != 0 )
# 227| return ERR_PTR(ret);
# 228|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:344:24: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
# 342| ret = -EINVAL;
# 343| if ( (d == current->domain) || /* no domain_pause() */
# 344|-> (vcpu >= d->max_vcpus) || ((v = d->vcpu[vcpu]) == NULL) )
# 345| break;
# 346|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:458:23: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
# 456| ret = -EINVAL;
# 457| if ( (d == current->domain) || /* no domain_pause() */
# 458|-> (max != d->max_vcpus) ) /* max_vcpus set up in createdomain */
# 459| break;
# 460|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:552:41: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
# 550|
# 551| ret = -EINVAL;
# 552|-> if ( op->u.vcpucontext.vcpu >= d->max_vcpus ||
# 553| (v = d->vcpu[op->u.vcpucontext.vcpu]) == NULL ||
# 554| v == current ) /* no vcpu_pause() */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:572:9: warning[deadcode.DeadStores]: Value stored to 'ret' is never read
# 570|
# 571| arch_get_info_guest(v, c);
# 572|-> ret = 0;
# 573|
# 574| vcpu_unpause(v);
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:601:41: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
# 599|
# 600| ret = -EINVAL;
# 601|-> if ( op->u.getvcpuinfo.vcpu >= d->max_vcpus )
# 602| break;
# 603|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:630:22: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
# 628| * the meantime, while tot > max, all new allocations are disallowed.
# 629| */
# 630|-> d->max_pages = min(new_max, (uint64_t)(typeof(d->max_pages))-1);
# 631| spin_unlock(&d->page_alloc_lock);
# 632| break;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:646:34: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/config.h:17: included_from: Included from here.
<command-line>: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/compiler.h:21:43: note: in definition of macro ‘unlikely’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/current.h:100:32: note: in expansion of macro ‘get_current’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:641:28: note: in expansion of macro ‘current’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
# 644| {
# 645| domain_pause(d);
# 646|-> d->debugger_attached = !!op->u.setdebugging.enable;
# 647| domain_unpause(d); /* causes guest to latch new status */
# 648| }
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:766:28: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
# 764|
# 765| ret = -EINVAL;
# 766|-> if ( (d == e) || (d->target != NULL) )
# 767| {
# 768| put_domain(e);
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:787:27: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
# 785|
# 786| case XEN_DOMCTL_subscribe:
# 787|-> d->suspend_evtchn = op->u.subscribe.port;
# 788| break;
# 789|
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/xen/common/earlycpio.c: scope_hint: In function ‘find_cpio_data’
xen-4.18.1-build/xen-4.18.1/xen/common/earlycpio.c:123:40: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘ch[12]’
xen-4.18.1-build/xen-4.18.1/xen/common/earlycpio.c:33:23: note: in definition of macro ‘ALIGN’
xen-4.18.1-build/xen-4.18.1/xen/common/earlycpio.c:123:24: note: in expansion of macro ‘PTR_ALIGN’
xen-4.18.1-build/xen-4.18.1/xen/common/earlycpio.c:33:23: note: in definition of macro ‘ALIGN’
xen-4.18.1-build/xen-4.18.1/xen/common/earlycpio.c:123:24: note: in expansion of macro ‘PTR_ALIGN’
# 121| len -= cpio_header_len;
# 122|
# 123|-> dptr = PTR_ALIGN(p + ch[C_NAMESIZE], 4);
# 124| nptr = PTR_ALIGN(dptr + ch[C_FILESIZE], 4);
# 125|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/event_channel.c:327:5: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 325| }
# 326|
# 327|-> rc = 0;
# 328|
# 329| chn = evtchn_from_port(d, port);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/event_channel.c:408:5: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 406| }
# 407|
# 408|-> rc = 0;
# 409|
# 410| lchn = evtchn_from_port(ld, lport);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:1672:16: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 1670|
# 1671| unmap_common(common);
# 1672|-> op->status = common->status;
# 1673| }
# 1674|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:1738:16: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 1736|
# 1737| unmap_common(common);
# 1738|-> op->status = common->status;
# 1739| }
# 1740|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:3285:47: warning[core.UndefinedBinaryOperatorResult]: The left operand of '&' is a garbage value
# 3283| {
# 3284| status_entry(gt, i) =
# 3285|-> reserved_entries[i].flags & (GTF_reading | GTF_writing);
# 3286| shared_entry_v2(gt, i).hdr.flags =
# 3287| reserved_entries[i].flags & ~(GTF_reading | GTF_writing);
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c: scope_hint: In function ‘gnttab_usage_print’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:4320:20: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘sha’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:7: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:408:5: note: in expansion of macro ‘percpu_read_lock’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/rwlock.h: scope_hint: In function ‘gnttab_usage_print’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/rwlock.h: scope_hint: In function ‘gnttab_usage_print’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:408:5: note: in expansion of macro ‘percpu_read_lock’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c: scope_hint: In function ‘gnttab_usage_print’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:466:12: note: in expansion of macro ‘_active_entry’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c: scope_hint: In function ‘gnttab_usage_print’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c: scope_hint: In function ‘gnttab_usage_print’
# 4318| if ( gt->gt_version == 1 )
# 4319| {
# 4320|-> status = sha->flags;
# 4321| frame = shared_entry_v1(gt, ref).frame;
# 4322| }
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:4334:19: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘sha’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:408:5: note: in expansion of macro ‘percpu_read_lock’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/rwlock.h: scope_hint: In function ‘gnttab_usage_print’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/rwlock.h: scope_hint: In function ‘gnttab_usage_print’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:408:5: note: in expansion of macro ‘percpu_read_lock’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c: scope_hint: In function ‘gnttab_usage_print’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:466:12: note: in expansion of macro ‘_active_entry’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c: scope_hint: In function ‘gnttab_usage_print’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c: scope_hint: In function ‘gnttab_usage_print’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:4325:21: note: in expansion of macro ‘shared_entry_v2’
# 4332| printk("[0x%03x] %5d 0x%"PRI_mfn" 0x%08x %5d 0x%06"PRIx64" 0x%02x\n",
# 4333| ref, act->domid, mfn_x(act->mfn), act->pin,
# 4334|-> sha->domid, frame, status);
# 4335| active_entry_release(act);
# 4336| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/kexec.c:842:9: warning[deadcode.DeadStores]: Value stored to 'ret' is never read
# 840| case KEXEC_TYPE_DEFAULT:
# 841| image = kexec_image[base + pos];
# 842|-> ret = continue_hypercall_on_cpu(0, kexec_reboot, image);
# 843| break;
# 844| case KEXEC_TYPE_CRASH:
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/kimage.c:690:9: warning[deadcode.DeadStores]: Value stored to 'dest_mfn' is never read
# 688| size_t size;
# 689|
# 690|-> dest_mfn = dest >> PAGE_SHIFT;
# 691|
# 692| size = min_t(unsigned long, PAGE_SIZE, to_copy);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:173:15: warning[-Wanalyzer-null-argument]: use of NULL ‘str’ where non-null expected
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:540:14: note: in expansion of macro ‘elf_uval’
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:547:13: note: in expansion of macro ‘elf_uval’
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-private.h:43: included_from: Included from here.
/usr/include/string.h:156:12: note: argument 1 of ‘strcmp’ must be non-null
# 171| break;
# 172| case XEN_ELFNOTE_PAE_MODE:
# 173|-> if ( !strcmp(str, "yes") )
# 174| parms->pae = XEN_PAE_EXTCR3;
# 175| if ( strstr(str, "bimodal") )
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:179:15: warning[-Wanalyzer-null-argument]: use of NULL ‘str’ where non-null expected
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:540:14: note: in expansion of macro ‘elf_uval’
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:547:13: note: in expansion of macro ‘elf_uval’
/usr/include/string.h:156:12: note: argument 1 of ‘strcmp’ must be non-null
# 177| break;
# 178| case XEN_ELFNOTE_BSD_SYMTAB:
# 179|-> if ( !strcmp(str, "yes") )
# 180| parms->bsd_symtab = 1;
# 181| break;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-loader.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:18: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c: scope_hint: In function ‘elf_xen_parse_note’
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-private.h:88:6: warning[-Wanalyzer-null-argument]: use of NULL ‘str’ where non-null expected
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:161:9: note: in expansion of macro ‘safe_strcpy’
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-private.h:73: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:540:14: note: in expansion of macro ‘elf_uval’
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:547:13: note: in expansion of macro ‘elf_uval’
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:161:9: note: in expansion of macro ‘safe_strcpy’
<built-in>: note: argument 2 of ‘__builtin_strncpy’ must be non-null
# 86|
# 87| #define safe_strcpy(d,s) \
# 88|-> do { strncpy((d),(s),sizeof((d))-1); \
# 89| (d)[sizeof((d))-1] = '\0'; \
# 90| } while (0)
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/livepatch_elf.c:66:5: warning[deadcode.DeadStores]: Value stored to 'delta' is never read
# 64|
# 65| /* e_shoff and e_shnum overflow checks are done in livepatch_header_check. */
# 66|-> delta = elf->hdr->e_shoff + elf->hdr->e_shnum * elf->hdr->e_shentsize;
# 67| ASSERT(delta <= elf->len);
# 68|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/livepatch_elf.c:229:5: warning[deadcode.DeadStores]: Value stored to 'offset' is never read
# 227|
# 228| /* Pointers arithmetic to get file offset. */
# 229|-> offset = strtab_sec->data - data;
# 230|
# 231| /* Checked already in elf_resolve_sections, but just in case. */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/memory.c:939:13: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 937| */
# 938| for ( i = 0; i < done; ++i )
# 939|-> put_page(pages[i]);
# 940|
# 941| ret = iommu_iotlb_flush(d, _dfn(xatp->gpfn - done), done,
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/page_alloc.c:1119:9: warning[deadcode.DeadStores]: Value stored to 'next_order' is never read
# 1117| }
# 1118|
# 1119|-> next_order = cur_order = 0;
# 1120|
# 1121| while ( cur_order < head_order )
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c: scope_hint: In function ‘rangeset_add_range’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:152:18: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:50:5: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/cpuid.h:8: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/cpufeature.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/system.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/nospec.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/spinlock.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:387:5: note: in expansion of macro ‘container_of’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:495:16: note: in expansion of macro ‘list_entry’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:50:5: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c: scope_hint: In function ‘rangeset_add_range’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:5: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:65:16: note: in expansion of macro ‘NULL’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c: scope_hint: In function ‘rangeset_add_range’
# 150| {
# 151| x = first_range(r);
# 152|-> x->s = s;
# 153| }
# 154| else if ( (x->e < s) && ((x->e + 1) != s) )
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:157:18: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:50:5: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:387:5: note: in expansion of macro ‘container_of’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:495:16: note: in expansion of macro ‘list_entry’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:50:5: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c: scope_hint: In function ‘rangeset_add_range’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:50:5: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:387:5: note: in expansion of macro ‘container_of’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:495:16: note: in expansion of macro ‘list_entry’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:50:5: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c: scope_hint: In function ‘rangeset_add_range’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:74:16: note: in expansion of macro ‘NULL’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c: scope_hint: In function ‘rangeset_add_range’
# 155| {
# 156| x = next_range(r, x);
# 157|-> x->s = s;
# 158| }
# 159|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:157:18: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘x’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:50:5: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:387:5: note: in expansion of macro ‘container_of’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:495:16: note: in expansion of macro ‘list_entry’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:50:5: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c: scope_hint: In function ‘rangeset_add_range’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c: scope_hint: In function ‘rangeset_add_range’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:74:16: note: in expansion of macro ‘NULL’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c: scope_hint: In function ‘rangeset_add_range’
# 155| {
# 156| x = next_range(r, x);
# 157|-> x->s = s;
# 158| }
# 159|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:160:18: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘x’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:50:5: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:387:5: note: in expansion of macro ‘container_of’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:495:16: note: in expansion of macro ‘list_entry’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:50:5: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c: scope_hint: In function ‘rangeset_add_range’
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c: scope_hint: In function ‘rangeset_add_range’
# 158| }
# 159|
# 160|-> x->e = (y->e > e) ? y->e : e;
# 161|
# 162| for ( ; ; )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/core.c:783:14: warning[core.NullDereference]: Access to field 'unit_id' results in a dereference of a null pointer (loaded from variable 'unit')
# 781| {
# 782| old_unit = v->sched_unit;
# 783|-> if ( unit->unit_id + gran == v->vcpu_id )
# 784| unit = unit->next_in_list;
# 785|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/core.c:3008:9: warning[core.NullDereference]: Access to field 'deinit' results in a dereference of a null pointer
# 3006|
# 3007| sched_test_func(init);
# 3008|-> sched_test_func(deinit);
# 3009| sched_test_func(pick_resource);
# 3010| sched_test_func(alloc_udata);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/core.c:3009:9: warning[core.NullDereference]: Access to field 'pick_resource' results in a dereference of a null pointer
# 3007| sched_test_func(init);
# 3008| sched_test_func(deinit);
# 3009|-> sched_test_func(pick_resource);
# 3010| sched_test_func(alloc_udata);
# 3011| sched_test_func(free_udata);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/core.c:3010:9: warning[core.NullDereference]: Access to field 'alloc_udata' results in a dereference of a null pointer
# 3008| sched_test_func(deinit);
# 3009| sched_test_func(pick_resource);
# 3010|-> sched_test_func(alloc_udata);
# 3011| sched_test_func(free_udata);
# 3012| sched_test_func(switch_sched);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/core.c:3011:9: warning[core.NullDereference]: Access to field 'free_udata' results in a dereference of a null pointer
# 3009| sched_test_func(pick_resource);
# 3010| sched_test_func(alloc_udata);
# 3011|-> sched_test_func(free_udata);
# 3012| sched_test_func(switch_sched);
# 3013| sched_test_func(do_schedule);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/core.c:3012:9: warning[core.NullDereference]: Access to field 'switch_sched' results in a dereference of a null pointer
# 3010| sched_test_func(alloc_udata);
# 3011| sched_test_func(free_udata);
# 3012|-> sched_test_func(switch_sched);
# 3013| sched_test_func(do_schedule);
# 3014|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/core.c:3013:9: warning[core.NullDereference]: Access to field 'do_schedule' results in a dereference of a null pointer
# 3011| sched_test_func(free_udata);
# 3012| sched_test_func(switch_sched);
# 3013|-> sched_test_func(do_schedule);
# 3014|
# 3015| #undef sched_test_func
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/core.c:3017:14: warning[core.NullDereference]: Access to field 'global_init' results in a dereference of a null pointer
# 3015| #undef sched_test_func
# 3016|
# 3017|-> if ( schedulers[i]->global_init && schedulers[i]->global_init() < 0 )
# 3018| {
# 3019| printk("scheduler %s failed initialization, dropped\n",
Error: GCC_ANALYZER_WARNING (CWE-835):
xen-4.18.1-build/xen-4.18.1/xen/common/sched/cpupool.c: scope_hint: In function ‘cpupool_gran_init’
xen-4.18.1-build/xen-4.18.1/xen/common/sched/cpupool.c:137:16: warning[-Wanalyzer-infinite-loop]: infinite loop
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/smp.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/smp.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/processor.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/msr.h:15: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/time.h:5: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/time.h:78: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/spinlock.h:5: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/cpu.h:5: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/sched/cpupool.c:14: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/cpuid.h:8: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/cpufeature.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/system.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/nospec.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/spinlock.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/kernel.h:34:40: note: in definition of macro ‘min_t’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/bitops.h:348:36: note: in expansion of macro ‘find_next_bit’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/cpumask.h:211:39: note: in expansion of macro ‘find_first_bit’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/cpumask.h:211:16: note: in expansion of macro ‘min_t’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/cpumask.h:458:36: note: in expansion of macro ‘for_each_cpu’
xen-4.18.1-build/xen-4.18.1/xen/common/sched/cpupool.c:117:5: note: in expansion of macro ‘for_each_online_cpu’
# 135| while ( gran == 0 )
# 136| {
# 137|-> gran = cpupool_check_granularity(opt_sched_granularity);
# 138|
# 139| if ( gran == 0 )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/credit.c:519:34: warning[deadcode.DeadStores]: Value stored to 'prv' during its initialization is never read
# 517| csched_free_pdata(const struct scheduler *ops, void *pcpu, int cpu)
# 518| {
# 519|-> const struct csched_private *prv = CSCHED_PRIV(ops);
# 520|
# 521| /*
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/credit.c:1096:34: warning[deadcode.DeadStores]: Value stored to 'sr' during its initialization is never read
# 1094| struct csched_unit * const svc = CSCHED_UNIT(unit);
# 1095| unsigned int cpu = sched_unit_master(unit);
# 1096|-> const struct sched_resource *sr = get_sched_res(cpu);
# 1097|
# 1098| SCHED_STAT_CRANK(unit_sleep);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/credit.c:2101:20: warning[core.NullDereference]: Access to field 'next' results in a dereference of a null pointer (loaded from variable 'iter')
# 2099|
# 2100| loop = 0;
# 2101|-> list_for_each( iter, runq )
# 2102| {
# 2103| svc = __runq_elem(iter);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/credit2.c:1949:18: warning[deadcode.DeadStores]: Value stored to 'cpu' during its initialization is never read
# 1947| {
# 1948| struct csched2_dom *sdom = svc->sdom;
# 1949|-> unsigned int cpu = sched_unit_master(svc->unit);
# 1950|
# 1951| ASSERT(spin_is_locked(get_sched_res(cpu)->schedule_lock));
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/credit2.c:1996:18: warning[deadcode.DeadStores]: Value stored to 'cpu' during its initialization is never read
# 1994| {
# 1995| struct csched2_dom *sdom = svc->sdom;
# 1996|-> unsigned int cpu = sched_unit_master(svc->unit);
# 1997|
# 1998| ASSERT(spin_is_locked(get_sched_res(cpu)->schedule_lock));
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/credit2.c:3899:24: warning[core.NullDereference]: Access to field 'next' results in a dereference of a null pointer (loaded from variable 'iter')
# 3897|
# 3898| printk("RUNQ:\n");
# 3899|-> list_for_each( iter, runq )
# 3900| {
# 3901| const struct csched2_unit *svc = runq_elem(iter);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/sched/null.c:536:9: warning[deadcode.DeadStores]: Value stored to 'npc' is never read
# 534| if ( unlikely(!is_unit_online(unit)) )
# 535| {
# 536|-> npc = unit->res->sched_priv;
# 537| ASSERT(npc->unit != unit);
# 538| ASSERT(list_empty(&nvc->waitq_elem));
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/symbols.c:255:13: warning[core.uninitialized.UndefReturn]: Undefined or garbage value returned to caller
# 253|
# 254| if ( !strcmp(name, symname) )
# 255|-> return addr;
# 256|
# 257| } while ( name[0] != '\0' );
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/timer.c:196:9: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 194| break;
# 195| default:
# 196|-> rc = 0;
# 197| BUG();
# 198| }
Error: GCC_ANALYZER_WARNING (CWE-457):
xen-4.18.1-build/xen-4.18.1/tools/libs/guest/xg_dom_decompress_unsafe_lzma.c:8: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/unlzma.c: scope_hint: In function ‘unlzma’
xen-4.18.1-build/xen-4.18.1/xen/common/unlzma.c:575:49: warning[-Wanalyzer-use-of-uninitialized-value]: use of uninitialized value ‘*rc.ptr’
# 573| if (rc.ptr >= rc.buffer_end)
# 574| rc_read(&rc);
# 575|-> ((unsigned char *)&header)[i] = *rc.ptr++;
# 576| }
# 577|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/unlzo.c:78:7: warning[core.NullDereference]: Dereference of null pointer
# 76| /* read magic: 9 first bits */
# 77| for (l = 0; l < 9; l++) {
# 78|-> if (*parse++ != lzop_magic[l])
# 79| return 0;
# 80| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/unlzo.c:87:3: warning[deadcode.DeadStores]: Value stored to 'level' is never read
# 85| parse += 7;
# 86| if (version >= 0x0940)
# 87|-> level = *parse++;
# 88| if (get_unaligned_be32(parse) & HEADER_HAS_FILTER)
# 89| parse += 8; /* flags + filter info */
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/vm_event.c:286:5: warning[deadcode.DeadStores]: Value stored to 'free_req' is never read
# 284| /* Due to the reservations, this step must succeed. */
# 285| front_ring = &ved->front_ring;
# 286|-> free_req = RING_FREE_REQUESTS(front_ring);
# 287| ASSERT(free_req > 0);
# 288|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/vm_event.c:628:5: warning[deadcode.DeadStores]: Value stored to 'rc' is never read
# 626| }
# 627|
# 628|-> rc = -ENOSYS;
# 629|
# 630| switch ( vec->mode )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/vsprintf.c:500:22: warning[core.NullDereference]: Dereference of null pointer (loaded from variable 'str')
# 498| if (*fmt != '%') {
# 499| if (str < end)
# 500|-> *str = *fmt;
# 501| ++str;
# 502| continue;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/vsprintf.c:670:18: warning[core.NullDereference]: Dereference of null pointer (loaded from variable 'str')
# 668| if (size > 0) {
# 669| if (str < end)
# 670|-> *str = '\0';
# 671| else
# 672| end[-1] = '\0';
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/xmalloc_tlsf.c:581:9: warning[deadcode.DeadStores]: Value stored to 'b' is never read
# 579| {
# 580| p -= b->size & ~FREE_BLOCK;
# 581|-> b = p - BHDR_OVERHEAD;
# 582| ASSERT(!(b->size & FREE_BLOCK));
# 583| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/unzstd.c:62: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/zstd/decompress.c:1572:4: warning[deadcode.DeadStores]: Value stored to 'remainingSize' is never read
# 1570| return ERROR(srcSize_wrong);
# 1571| ip += 4;
# 1572|-> remainingSize -= 4;
# 1573| }
# 1574|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/char/ehci-dbgp.c:394:24: warning[core.UndefinedBinaryOperatorResult]: The left operand of '<<' is a garbage value
# 392|
# 393| for ( i = 0; i < 4 && i < size; i++ )
# 394|-> lo |= bytes[i] << (8 * i);
# 395| for ( ; i < 8 && i < size; i++ )
# 396| hi |= bytes[i] << (8 * (i - 4));
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/char/ehci-dbgp.c:964:9: warning[deadcode.DeadStores]: Value stored to 'devnum' is never read
# 962| goto err;
# 963| }
# 964|-> devnum = USB_DEBUG_DEVNUM;
# 965| dbgp_printk("debug device renamed to 127\n");
# 966| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/char/ns16550.c:496:15: warning[deadcode.DeadStores]: Although the value stored to 'rc' is used in the enclosing expression, the value is never actually read from 'rc'
# 494| uart->irqaction.name = "ns16550";
# 495| uart->irqaction.dev_id = port;
# 496|-> if ( (rc = setup_irq(uart->irq, 0, &uart->irqaction)) != 0 )
# 497| printk("ERROR: Failed to allocate ns16550 IRQ %d\n", uart->irq);
# 498| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/cpufreq/utility.c:366:22: warning[deadcode.DeadStores]: Value stored to 'prev_freq' during its initialization is never read
# 364| if (cpu_online(policy->cpu) && cpufreq_driver.target)
# 365| {
# 366|-> unsigned int prev_freq = policy->cur;
# 367|
# 368| retval = alternative_call(cpufreq_driver.target,
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_intr.c:296:9: warning[deadcode.DeadStores]: Value stored to 'fresh' is never read
# 294| }
# 295| *index = offset;
# 296|-> fresh = true;
# 297| }
# 298|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/iommu.c:265:26: warning[deadcode.DeadStores]: Value stored to 'hd' during its initialization is never read
# 263| void __hwdom_init iommu_hwdom_init(struct domain *d)
# 264| {
# 265|-> struct domain_iommu *hd = dom_iommu(d);
# 266|
# 267| if ( !is_iommu_enabled(d) )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/pci.c:832:32: warning[deadcode.DeadStores]: Value stored to 'hd' during its initialization is never read
# 830| uint8_t devfn)
# 831| {
# 832|-> const struct domain_iommu *hd = dom_iommu(d);
# 833| struct pci_dev *pdev;
# 834| struct domain *target;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/pci.c:1313:5: warning[deadcode.DeadStores]: Value stored to 'hd' is never read
# 1311| ASSERT(pcidevs_locked());
# 1312|
# 1313|-> hd = dom_iommu(pdev->domain);
# 1314| if ( !is_iommu_enabled(pdev->domain) )
# 1315| return 0;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/pci.c:1358:5: warning[deadcode.DeadStores]: Value stored to 'hd' is never read
# 1356| return -EINVAL;
# 1357|
# 1358|-> hd = dom_iommu(pdev->domain);
# 1359| if ( !is_iommu_enabled(pdev->domain) )
# 1360| return 0;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/pci.c:1409:32: warning[deadcode.DeadStores]: Value stored to 'hd' during its initialization is never read
# 1407| static int assign_device(struct domain *d, u16 seg, u8 bus, u8 devfn, u32 flag)
# 1408| {
# 1409|-> const struct domain_iommu *hd = dom_iommu(d);
# 1410| struct pci_dev *pdev;
# 1411| int rc = 0;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/pci.c: scope_hint: In function ‘assign_device’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/pci.c:1427:14: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘pdev’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/pci.c:17: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘assign_device’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/pci.c: scope_hint: In function ‘assign_device’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/hvm/io.h:11: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/hvm/domain.h:16: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/domain.h:7: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/domain.h:14: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:11: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/pci.h:37:20: note: in expansion of macro ‘PCI_SBDF4_’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/pci.h:41:25: note: in expansion of macro ‘PCI_SBDF3_’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/pci.h:42:25: note: in expansion of macro ‘PCI__’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/pci.h:46:30: note: in expansion of macro ‘PCI_’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/pci.c:1421:31: note: in expansion of macro ‘PCI_SBDF’
# 1425| /* Do not allow broken devices to be assigned to guests. */
# 1426| rc = -EBADF;
# 1427|-> if ( pdev->broken && d != hardware_domain && d != dom_io )
# 1428| goto done;
# 1429|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/vtd/intremap.c:190:9: warning[deadcode.DeadStores]: Value stored to 'ret' is never read
# 188|
# 189| old_ire = *entry;
# 190|-> ret = cmpxchg16b(entry, &old_ire, new_ire);
# 191|
# 192| /*
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/x86/hvm.c: scope_hint: In function ‘pt_pirq_iterate’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/x86/hvm.c:744:28: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘pirqs[i]’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/x86/hvm.c:742:47: note: in expansion of macro ‘pirq_dpci’
# 742| struct hvm_pirq_dpci *pirq_dpci = pirq_dpci(pirqs[i]);
# 743|
# 744|-> pirq = pirqs[i]->pirq;
# 745| if ( (pirq_dpci->flags & HVM_IRQ_DPCI_MAPPED) )
# 746| {
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/x86/hvm.c:745:28: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/x86/hvm.c:742:47: note: in expansion of macro ‘pirq_dpci’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/x86/hvm.c:742:47: note: in expansion of macro ‘pirq_dpci’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/x86/hvm.c:35:12: note: in expansion of macro ‘pirq_dpci’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/x86/hvm.c:35:12: note: in expansion of macro ‘pirq_dpci’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/x86/hvm.c: scope_hint: In function ‘pt_pirq_iterate’
# 743|
# 744| pirq = pirqs[i]->pirq;
# 745|-> if ( (pirq_dpci->flags & HVM_IRQ_DPCI_MAPPED) )
# 746| {
# 747| rc = cb(d, pirq_dpci, arg);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/vpci/vpci.c:324:27: warning[core.BitwiseShift]: Left shift by '32' overflows the capacity of 'uint32_t'
# 322| uint32_t mask = 0xffffffffU >> (32 - 8 * size);
# 323|
# 324|-> return (data & ~(mask << (offset * 8))) | ((new & mask) << (offset * 8));
# 325| }
# 326|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/drivers/vpci/vpci.c:494:32: warning[core.BitwiseShift]: Right shift by '32' overflows the capacity of 'uint32_t'
# 492| max(emu.offset, r->offset);
# 493| vpci_write_helper(pdev, r, write_size, reg + data_offset - r->offset,
# 494|-> data >> (data_offset * 8));
# 495| data_offset += write_size;
# 496| if ( data_offset == size )
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/asm-offsets.c:11: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/spinlock.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/nospec.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/system.h:5: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/bitops.h:44:9: warning[deadcode.DeadStores]: Value stored to 'x' is never read
# 42| }
# 43| if (!(x & 1)) {
# 44|-> x >>= 1;
# 45| r += 1;
# 46| }
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/include/xen/bitops.h:77:9: warning[deadcode.DeadStores]: Value stored to 'x' is never read
# 75| }
# 76| if (!(x & 0x80000000u)) {
# 77|-> x <<= 1;
# 78| r -= 1;
# 79| }
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h: scope_hint: In function ‘iomem_deny_access’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:35:15: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘iomem_deny_access’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘iomem_deny_access’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:49:30: note: in definition of macro ‘iomem_access_permitted’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/current.h:100:32: note: in expansion of macro ‘get_current’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:681:38: note: in expansion of macro ‘current’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘iomem_deny_access’
# 33| unsigned long e)
# 34| {
# 35|-> int ret = rangeset_remove_range(d->iomem_caps, s, e);
# 36|
# 37| if ( !ret && !is_iommu_enabled(d) && !cache_flush_permitted(d) )
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:49:5: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:715:15: note: in expansion of macro ‘iomem_access_permitted’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:49:30: note: in definition of macro ‘iomem_access_permitted’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/current.h:100:32: note: in expansion of macro ‘get_current’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:714:38: note: in expansion of macro ‘current’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:715:15: note: in expansion of macro ‘iomem_access_permitted’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:715:15: note: in expansion of macro ‘iomem_access_permitted’
# 47|
# 48| #define iomem_access_permitted(d, s, e) \
# 49|-> rangeset_contains_range((d)->iomem_caps, s, e)
# 50|
# 51| #define irq_permit_access(d, i) \
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:52:5: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:665:19: note: in expansion of macro ‘irq_permit_access’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:63:27: note: in definition of macro ‘pirq_access_permitted’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/current.h:100:32: note: in expansion of macro ‘get_current’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:661:37: note: in expansion of macro ‘current’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/pci.h:13: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/hvm/io.h:11: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/hvm/domain.h:16: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/domain.h:7: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/domain.h:14: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:11: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/irq.h:194:37: note: in expansion of macro ‘pirq_field’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:64:17: note: in expansion of macro ‘domain_pirq_to_irq’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:661:15: note: in expansion of macro ‘pirq_access_permitted’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:665:19: note: in expansion of macro ‘irq_permit_access’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:665:19: note: in expansion of macro ‘irq_permit_access’
# 50|
# 51| #define irq_permit_access(d, i) \
# 52|-> rangeset_add_singleton((d)->irq_caps, i)
# 53| #define irq_deny_access(d, i) \
# 54| rangeset_remove_singleton((d)->irq_caps, i)
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:54:5: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:667:19: note: in expansion of macro ‘irq_deny_access’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:63:27: note: in definition of macro ‘pirq_access_permitted’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/current.h:100:32: note: in expansion of macro ‘get_current’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:661:37: note: in expansion of macro ‘current’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/irq.h:194:37: note: in expansion of macro ‘pirq_field’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:64:17: note: in expansion of macro ‘domain_pirq_to_irq’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:661:15: note: in expansion of macro ‘pirq_access_permitted’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:667:19: note: in expansion of macro ‘irq_deny_access’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:667:19: note: in expansion of macro ‘irq_deny_access’
# 52| rangeset_add_singleton((d)->irq_caps, i)
# 53| #define irq_deny_access(d, i) \
# 54|-> rangeset_remove_singleton((d)->irq_caps, i)
# 55| #define irqs_permit_access(d, s, e) \
# 56| rangeset_add_range((d)->irq_caps, s, e)
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/system.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/nospec.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/spinlock.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:27: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c: scope_hint: In function ‘gnttab_prepare_for_transfer’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/lib.h:36:25: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘raw_shah’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:2218:18: note: in expansion of macro ‘ACCESS_ONCE’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:3810: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/config.h:17: included_from: Included from here.
<command-line>: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/compiler.h:21:43: note: in definition of macro ‘unlikely’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/current.h:100:32: note: in expansion of macro ‘get_current’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/guest_access.h:33:18: note: in expansion of macro ‘current’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/guest_access.h:135:5: note: in expansion of macro ‘__raw_copy_from_guest’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/guest_access.h:155:5: note: in expansion of macro ‘__copy_from_guest_offset’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:2282:23: note: in expansion of macro ‘__copy_from_guest’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c: scope_hint: In function ‘gnttab_prepare_for_transfer’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/iocap.h:13: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/iocap.h:12: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:2293:19: note: in expansion of macro ‘get_gfn_unshare’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/desc.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/processor.h:13: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:2312:16: note: in expansion of macro ‘mfn_to_page’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/compiler.h:21:43: note: in definition of macro ‘unlikely’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/compiler.h:21:43: note: in definition of macro ‘unlikely’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c: scope_hint: In function ‘gnttab_prepare_for_transfer’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:2388:14: note: in expansion of macro ‘unlikely’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/compiler.h:21:43: note: in definition of macro ‘unlikely’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/compiler.h:21:43: note: in definition of macro ‘unlikely’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/nospec.h:11: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c: scope_hint: In function ‘gnttab_prepare_for_transfer’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/compiler.h:21:43: note: in definition of macro ‘unlikely’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c: scope_hint: In function ‘gnttab_prepare_for_transfer’
xen-4.18.1-build/xen-4.18.1/xen/common/grant_table.c:2218:18: note: in expansion of macro ‘ACCESS_ONCE’
# 34| (void)(typeof(x))0; /* Scalar typecheck. */ \
# 35| (volatile typeof(x) *)&(x); })
# 36|-> #define ACCESS_ONCE(x) (*__ACCESS_ONCE(x))
# 37|
# 38| struct domain;
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/common/rangeset.c:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:9: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/timer.h:14: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:66:16: warning[core.NullDereference]: Access to field 'prev' results in a dereference of a null pointer (loaded from variable 'next')
# 64| struct list_head *next)
# 65| {
# 66|-> next->prev = new;
# 67| new->next = next;
# 68| new->prev = prev;
Error: GCC_ANALYZER_WARNING (CWE-835):
xen-4.18.1-build/xen-4.18.1/xen/include/xen/timer.h:14: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:9: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/physdev.c:5: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/physdev.c: scope_hint: In function ‘physdev_hvm_map_pirq’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:494:10: warning[-Wanalyzer-infinite-loop]: infinite loop
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/physdev.c:58:13: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:7: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/physdev.c:58:13: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/physdev.c:58:13: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/cpuid.h:8: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/cpufeature.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/system.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/nospec.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/spinlock.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:387:5: note: in expansion of macro ‘container_of’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:495:16: note: in expansion of macro ‘list_entry’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/physdev.c:58:13: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/physdev.c:58:13: note: in expansion of macro ‘list_for_each_entry’
# 492| #define list_for_each_entry(pos, head, member) \
# 493| for (pos = list_entry((head)->next, typeof(*pos), member); \
# 494|-> &pos->member != (head); \
# 495| pos = list_entry(pos->member.next, typeof(*pos), member))
# 496|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/hvm/hvm.c:12: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/ioreq.h:22: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:1082:28: warning[core.NullDereference]: Access to field 'is_privileged' results in a dereference of a null pointer (loaded from variable 'd')
# 1080| return false;
# 1081|
# 1082|-> return evaluate_nospec(d->is_privileged);
# 1083| }
# 1084|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/cpu/amd.c:9: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:1090:27: warning[core.NullDereference]: Access to field 'options' results in a dereference of a null pointer (loaded from variable 'd')
# 1088| {
# 1089| return IS_ENABLED(CONFIG_PV) &&
# 1090|-> evaluate_nospec(!(d->options & XEN_DOMCTL_CDF_hvm));
# 1091| }
# 1092|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/traps.c:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:1137:26: warning[core.NullDereference]: Access to field 'domain' results in a dereference of a null pointer (loaded from variable 'v')
# 1135| static always_inline bool is_hvm_vcpu(const struct vcpu *v)
# 1136| {
# 1137|-> return is_hvm_domain(v->domain);
# 1138| }
# 1139|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:1137:27: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/traps.c: scope_hint: In function ‘show_registers’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/smp.h:11: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/smp.h:4: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/processor.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/msr.h:15: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/time.h:5: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/time.h:78: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/spinlock.h:5: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/sched.h:6: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/regs.h:9:34: note: in expansion of macro ‘guest_cpu_user_regs’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/traps.c:133:10: note: in expansion of macro ‘guest_mode’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/x86_64/traps.c: scope_hint: In function ‘show_registers’
# 1135| static always_inline bool is_hvm_vcpu(const struct vcpu *v)
# 1136| {
# 1137|-> return is_hvm_domain(v->domain);
# 1138| }
# 1139|
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/xen/include/xen/lib.h:13: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-private.h:20: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:18: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c: scope_hint: In function ‘elf_xen_parse_note’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/string.h:40:24: warning[-Wanalyzer-null-argument]: use of NULL ‘str’ where non-null expected
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:173:15: note: in expansion of macro ‘strcmp’
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-private.h:21: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:540:14: note: in expansion of macro ‘elf_uval’
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:547:13: note: in expansion of macro ‘elf_uval’
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:255:14: note: in expansion of macro ‘strcmp’
xen-4.18.1-build/xen-4.18.1/xen/common/libelf/libelf-dominfo.c:173:15: note: in expansion of macro ‘strcmp’
<built-in>: note: argument 1 of ‘__builtin_strcmp’ must be non-null
# 38|
# 39| #ifndef __HAVE_ARCH_STRCMP
# 40|-> #define strcmp(s1, s2) __builtin_strcmp(s1, s2)
# 41| #endif
# 42|
Error: GCC_ANALYZER_WARNING (CWE-688):
xen-4.18.1-build/xen-4.18.1/xen/include/xen/lib.h:13: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/acpi.h:40: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_acpi.c:20: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_acpi.c: scope_hint: In function ‘parse_ivhd_device_special’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/string.h:72:25: warning[-Wanalyzer-null-argument]: use of NULL where non-null expected
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_acpi.c:873:17: note: in expansion of macro ‘memset’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_acpi.c:1113:5: note: in expansion of macro ‘BUG_ON’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu.h:202:5: note: in expansion of macro ‘list_for_each_entry’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_acpi.c:114:5: note: in expansion of macro ‘for_each_amd_iommu’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_acpi.c:27: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_acpi.c:797:5: note: in expansion of macro ‘AMD_IOMMU_DEBUG’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_acpi.c:23: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_acpi.c:830:18: note: in expansion of macro ‘IO_APIC_ID’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/lib.h:12: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_acpi.c:865:46: note: in expansion of macro ‘xmalloc_array’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_acpi.c: scope_hint: In function ‘parse_ivhd_device_special’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/string.h:72:48: note: in definition of macro ‘memset’
xen-4.18.1-build/xen-4.18.1/xen/drivers/passthrough/amd/iommu_acpi.c:873:17: note: in expansion of macro ‘memset’
<built-in>: note: argument 1 of ‘__builtin_memset’ must be non-null
# 70|
# 71| #ifndef __HAVE_ARCH_MEMSET
# 72|-> #define memset(s, c, n) __builtin_memset(s, c, n)
# 73| #endif
# 74|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/include/xen/lib.h:13: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/string.h:76:25: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘d’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:636:9: note: in expansion of macro ‘memcpy’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/arch/x86/include/asm/nospec.h:13:5: note: in expansion of macro ‘alternative’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c: scope_hint: In function ‘do_domctl’
xen-4.18.1-build/xen-4.18.1/xen/common/domctl.c:636:9: note: in expansion of macro ‘memcpy’
# 74|
# 75| #ifndef __HAVE_ARCH_MEMCPY
# 76|-> #define memcpy(d, s, n) __builtin_memcpy(d, s, n)
# 77| #endif
# 78|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/lib/list-sort.c:91:20: warning[core.NullDereference]: Access to field 'prev' results in a dereference of a null pointer (loaded from field 'next')
# 89| (*cmp)(priv, tail->next, tail->next);
# 90|
# 91|-> tail->next->prev = tail;
# 92| tail = tail->next;
# 93| } while (tail->next);
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/lib/list-sort.c: scope_hint: In function ‘merge_and_restore_back_links’
xen-4.18.1-build/xen-4.18.1/xen/lib/list-sort.c:91:34: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘list’
xen-4.18.1-build/xen-4.18.1/xen/include/xen/lib.h:13: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/include/xen/list.h:10: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/lib/list-sort.c:18: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/lib/list-sort.c:126:9: note: in expansion of macro ‘memset’
# 89| (*cmp)(priv, tail->next, tail->next);
# 90|
# 91|-> tail->next->prev = tail;
# 92| tail = tail->next;
# 93| } while (tail->next);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/lib/rbtree.c:331:8: warning[core.NullDereference]: Access to field '__rb_parent_color' results in a dereference of a null pointer (loaded from variable 'sibling')
# 329| } else {
# 330| sibling = parent->rb_left;
# 331|-> if (rb_is_red(sibling)) {
# 332| /* Case 1 - right rotate at parent */
# 333| parent->rb_left = tmp1 = sibling->rb_right;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/fixdep.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-127):
xen-4.18.1-build/xen-4.18.1/xen/tools/fixdep.c: scope_hint: In function ‘parse_dep_file’
xen-4.18.1-build/xen-4.18.1/xen/tools/fixdep.c:327:30: warning[-Wanalyzer-out-of-bounds]: heap-based buffer under-read
# └──────────────────────────────────┘
# ^
# 325| is_last = (*p == '\0');
# 326| /* Is the token we found a target name? */
# 327|-> is_target = (*(p-1) == ':');
# 328| /* Don't write any target names into the dependency file */
# 329| if (is_target) {
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/conf.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/conf.c:135:36: warning[core.NullDereference]: Access to field 'text' results in a dereference of a null pointer (loaded from field 'prompt')
# 133|
# 134| while (1) {
# 135|-> printf("%*s%s ", indent - 1, "", menu->prompt->text);
# 136| printf("(%s) ", sym->name);
# 137| def = sym_get_string_value(sym);
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/conf.c:168:36: warning[core.NullDereference]: Access to field 'text' results in a dereference of a null pointer (loaded from field 'prompt')
# 166|
# 167| while (1) {
# 168|-> printf("%*s%s ", indent - 1, "", menu->prompt->text);
# 169| if (sym->name)
# 170| printf("(%s) ", sym->name);
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/confdata.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-126):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/confdata.c: scope_hint: In function ‘make_parent_dir’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/confdata.c:96:9: warning[-Wanalyzer-out-of-bounds]: buffer over-read
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lkc.h:9: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/confdata.c:19: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/confdata.c:1001:9: note: in expansion of macro ‘for_all_symbols’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/confdata.c:9: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/confdata.c:96:9: note: read of 1 byte from after the end of ‘depfile_path’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/confdata.c:96:9: note: valid subscripts for ‘depfile_path’ are ‘[0]’ to ‘[4095]’
# └──────────────────────────────────────────────────────────────────────┘
# ^ ^ ^ ^
# 94| char *p;
# 95|
# 96|-> strncpy(tmp, path, sizeof(tmp));
# 97| tmp[sizeof(tmp) - 1] = 0;
# 98|
Error: CPPCHECK_WARNING (CWE-404):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/confdata.c:1090: error[resourceLeak]: Resource leak: tristate
# 1088| fclose(out);
# 1089| fclose(tristate);
# 1090|-> return 1;
# 1091| }
# 1092|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/confdata.c:1196:16: warning[core.DivideZero]: Division by zero
# 1194| * set the rest to no so we have only one set
# 1195| */
# 1196|-> def = (rand() % cnt);
# 1197|
# 1198| cnt = 0;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/expr.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lkc.h:9: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:12: included_from: Included from here.
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_choice_deps’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/expr.h:52:16: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:1218:9: note: in expansion of macro ‘expr_list_for_each_sym’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_choice_deps’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/expr.h:207:30: note: in definition of macro ‘for_all_properties’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:72:9: note: in expansion of macro ‘for_all_choices’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/expr.h:210:34: note: in expansion of macro ‘for_all_properties’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:72:9: note: in expansion of macro ‘for_all_choices’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_choice_deps’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_choice_deps’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_choice_deps’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/expr.h:207:30: note: in definition of macro ‘for_all_properties’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:72:9: note: in expansion of macro ‘for_all_choices’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/expr.h:210:34: note: in expansion of macro ‘for_all_properties’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:72:9: note: in expansion of macro ‘for_all_choices’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_choice_deps’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_choice_deps’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_choice_deps’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_choice_deps’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:1218:9: note: in expansion of macro ‘expr_list_for_each_sym’
# 50|
# 51| #define expr_list_for_each_sym(l, e, s) \
# 52|-> for (e = (l); e && (s = e->right.sym); e = e->left.expr)
# 53|
# 54| struct expr_value {
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_switch_to_buffer’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:277:46: warning[-Wanalyzer-malloc-leak]: leak of ‘yy_create_buffer(zconf_fopen(*file.name), 16384)’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3802:19: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_switch_to_buffer’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3802:19: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3802:19: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3769:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_switch_to_buffer’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3672:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3802:19: note: in expansion of macro ‘YY_CURRENT_BUFFER’
# 275| */
# 276| #define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
# 277|-> ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
# 278| : NULL)
# 279| /* Same as previous macro, but useful when we know that the buffer stack is not
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_get_next_buffer’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3416:46: warning[-Wanalyzer-malloc-leak]: leak of ‘*b.yy_ch_buf’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3580:38: note: in expansion of macro ‘YY_CURRENT_BUFFER_LVALUE’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_get_next_buffer’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_get_next_buffer’
# 3414| b->yy_buf_size *= 2;
# 3415|
# 3416|-> b->yy_ch_buf = (char *)
# 3417| /* Include room in for 2 EOB chars. */
# 3418| yyrealloc( (void *) b->yy_ch_buf,
Error: GCC_ANALYZER_WARNING (CWE-775):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_switch_to_buffer’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3672:12: warning[-Wanalyzer-file-leak]: leak of FILE
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3802:19: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3769:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3769:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3672:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
# 3670| */
# 3671| yyensure_buffer_stack ();
# 3672|-> if ( YY_CURRENT_BUFFER == new_buffer )
# 3673| return;
# 3674|
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3672:12: warning[-Wanalyzer-malloc-leak]: leak of ‘<unknown>’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3802:19: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3769:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3769:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3672:14: note: in expansion of macro ‘YY_CURRENT_BUFFER’
# 3670| */
# 3671| yyensure_buffer_stack ();
# 3672|-> if ( YY_CURRENT_BUFFER == new_buffer )
# 3673| return;
# 3674|
Error: GCC_ANALYZER_WARNING (CWE-401):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_create_buffer’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3722:12: warning[-Wanalyzer-malloc-leak]: leak of ‘malloc(64)’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:4346:30: note: in expansion of macro ‘YY_CURRENT_BUFFER’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c: scope_hint: In function ‘yy_create_buffer’
# 3720| */
# 3721| b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) );
# 3722|-> if ( ! b->yy_ch_buf )
# 3723| YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
# 3724|
Error: CPPCHECK_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3762: warning[nullPointer]: Possible null pointer dereference: b
# 3760| yy_flush_buffer( b );
# 3761|
# 3762|-> b->yy_input_file = file;
# 3763| b->yy_fill_buffer = 1;
# 3764|
Error: CPPCHECK_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/lexer.lex.c:3763: warning[nullPointer]: Possible null pointer dereference: b
# 3761|
# 3762| b->yy_input_file = file;
# 3763|-> b->yy_fill_buffer = 1;
# 3764|
# 3765| /* If b is the current buffer, then yy_init_buffer was _probably_
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/parser.tab.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/preprocess.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:1054:3: warning[core.StackAddressEscape]: Address of stack memory associated with local variable 'cv_stack' is still referred to by the global variable 'check_top' upon returning to the caller. This will be a dangling reference
# 1052| if (!stack) {
# 1053| fprintf(stderr, "unexpected recursive dependency error\n");
# 1054|-> return;
# 1055| }
# 1056|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:1054:3: warning[core.StackAddressEscape]: Address of stack memory associated with local variable 'cv_stack' is still referred to by the stack variable 'stack' upon returning to the caller. This will be a dangling reference
# 1052| if (!stack) {
# 1053| fprintf(stderr, "unexpected recursive dependency error\n");
# 1054|-> return;
# 1055| }
# 1056|
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_print_recursive’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:1073:25: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘prop’
# 1071| }
# 1072| if (stack->sym == last_sym)
# 1073|-> fprintf(stderr, "%s:%d:error: recursive dependency detected!\n",
# 1074| prop->file->name, prop->lineno);
# 1075|
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:1074:5: warning[core.NullDereference]: Access to field 'file' results in a dereference of a null pointer (loaded from variable 'prop')
# 1072| if (stack->sym == last_sym)
# 1073| fprintf(stderr, "%s:%d:error: recursive dependency detected!\n",
# 1074|-> prop->file->name, prop->lineno);
# 1075|
# 1076| if (sym_is_choice(sym)) {
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:1078:5: warning[core.NullDereference]: Access to field 'file' results in a dereference of a null pointer (loaded from variable 'menu')
# 1076| if (sym_is_choice(sym)) {
# 1077| fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s\n",
# 1078|-> menu->file->name, menu->lineno,
# 1079| sym->name ? sym->name : "<choice>",
# 1080| next_sym->name ? next_sym->name : "<choice>");
Error: CLANG_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:1083:5: warning[core.NullDereference]: Access to field 'file' results in a dereference of a null pointer (loaded from variable 'menu')
# 1081| } else if (sym_is_choice_value(sym)) {
# 1082| fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s\n",
# 1083|-> menu->file->name, menu->lineno,
# 1084| sym->name ? sym->name : "<choice>",
# 1085| next_sym->name ? next_sym->name : "<choice>");
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_deps’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:1250:16: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘sym’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_deps’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/expr.h:207:30: note: in definition of macro ‘for_all_properties’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:72:9: note: in expansion of macro ‘for_all_choices’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/expr.h:210:34: note: in expansion of macro ‘for_all_properties’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:72:9: note: in expansion of macro ‘for_all_choices’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_deps’
# 1248| struct property *prop;
# 1249|
# 1250|-> if (sym->flags & SYMBOL_CHECK) {
# 1251| sym_check_print_recursive(sym);
# 1252| return sym;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c:1300:17: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_deps’
xen-4.18.1-build/xen-4.18.1/xen/tools/kconfig/symbol.c: scope_hint: In function ‘sym_check_deps’
# 1298| struct symbol *prop_get_symbol(struct property *prop)
# 1299| {
# 1300|-> if (prop->expr && (prop->expr->type == E_SYMBOL ||
# 1301| prop->expr->type == E_LIST))
# 1302| return prop->expr->left.sym;
Error: CPPCHECK_WARNING:
xen-4.18.1-build/xen-4.18.1/xen/tools/symbols.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-415):
xen-4.18.1-build/xen-4.18.1/xen/tools/symbols.c: scope_hint: In function ‘read_symbol’
xen-4.18.1-build/xen-4.18.1/xen/tools/symbols.c:120:17: warning[-Wanalyzer-double-free]: double-‘free’ of ‘0’
# 118| input_format == fmt_sysv && !*type && stype == '?' && sym &&
# 119| sym[1] && strchr("cSsoh", sym[1]) && !sym[2])) {
# 120|-> free(filename);
# 121| filename = *str ? strdup(str) : NULL;
# 122| goto skip_tail;
Error: GCC_ANALYZER_WARNING (CWE-476):
xen-4.18.1-build/xen-4.18.1/xen/tools/symbols.c:175:19: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL ‘*s.sym’
# 173| s->type = stype; /* As s->sym[0] ends mangled. */
# 174| }
# 175|-> s->sym[0] = stype;
# 176| rc = 0;
# 177|