Task #867 - libunwind-1.8.0-3.fc41/scan-results.err
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Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/x86_64/Gstep.c:28: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind_i.h:422: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/include/tdep/libunwind_i.h:25: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/include/tdep-x86_64/libunwind_i.h:167:16: warning[core.UndefinedBinaryOperatorResult]: The left operand of '==' is a garbage value
# 165| dwarf_is_null_loc(dwarf_loc_t l)
# 166| {
# 167|-> return l.val == 0 && l.type == 0;
# 168| }
# 169|
Error: GCC_ANALYZER_WARNING (CWE-688):
libunwind-1.8.0-build/libunwind-1.8.0/src/coredump/_UCD_create.c: scope_hint: In function '_UCD_create'
libunwind-1.8.0-build/libunwind-1.8.0/src/coredump/_UCD_create.c:59:25: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL 'ui' where non-null expected
<built-in>: note: argument 1 of '__builtin_memset' must be non-null
# 57| mi_init ();
# 58|
# 59|-> struct UCD_info *ui = memset(malloc(sizeof(*ui)), 0, sizeof(*ui));
# 60| ui->edi.di_cache.format = -1;
# 61| ui->edi.di_debug.format = -1;
Error: GCC_ANALYZER_WARNING (CWE-688):
libunwind-1.8.0-build/libunwind-1.8.0/src/coredump/_UCD_create.c:125:40: warning[-Wanalyzer-possible-null-argument]: use of possibly-NULL 'malloc((long unsigned int)(unsigned int)<unknown> * 56)' where non-null expected
<built-in>: note: argument 1 of '__builtin_memset' must be non-null
# 123| }
# 124| unsigned size = ui->phdrs_count = (_64bits ? elf_header64.e_phnum : elf_header32.e_phnum);
# 125|-> coredump_phdr_t *phdrs = ui->phdrs = memset(malloc(size * sizeof(phdrs[0])), 0, size * sizeof(phdrs[0]));
# 126| if (_64bits)
# 127| {
Error: COMPILER_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/coredump/_UPT_get_dyn_info_list_addr.c: scope_hint: In function 'get_list_addr'
libunwind-1.8.0-build/libunwind-1.8.0/src/coredump/_UPT_get_dyn_info_list_addr.c:87:3: warning[-Wcpp]: #warning Implement get_list_addr(), please.
# 85| int *countp)
# 86| {
# 87|-> # warning Implement get_list_addr(), please.
# 88| *countp = 0;
# 89| return 0;
Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/dwarf/Lfind_unwind_table.c:4: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/src/dwarf/Gfind_unwind_table.c:159:12: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 157|
# 158| /* (Optionally) read eh_frame_ptr: */
# 159|-> if ((ret = dwarf_read_encoded_pointer (unw_local_addr_space, a,
# 160| &addr, hdr->eh_frame_ptr_enc, &pi,
# 161| &eh_frame_start, NULL)) < 0)
Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/dwarf/Gfind_unwind_table.c:165:12: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 163|
# 164| /* (Optionally) read fde_count: */
# 165|-> if ((ret = dwarf_read_encoded_pointer (unw_local_addr_space, a,
# 166| &addr, hdr->fde_count_enc, &pi,
# 167| &fde_count, NULL)) < 0)
Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/os-linux.c:33: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind_i.h:422: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/include/tdep/libunwind_i.h:25: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/include/tdep-x86_64/libunwind_i.h:39: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/src/elf64.h:7: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/src/elfxx.h:98:12: warning[core.NullDereference]: Access to field 'size' results in a dereference of a null pointer (loaded from variable 'ei')
# 96| }
# 97|
# 98|-> ei->size = stat.st_size;
# 99| ei->image = mi_mmap (NULL, ei->size, PROT_READ, MAP_PRIVATE, fd, 0);
# 100| close (fd);
Error: GCC_ANALYZER_WARNING (CWE-835):
libunwind-1.8.0-build/libunwind-1.8.0/src/mi/Laddress_validator.c:4: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/src/mi/Gaddress_validator.c: scope_hint: In function '_write_validate'
libunwind-1.8.0-build/libunwind-1.8.0/src/mi/Gaddress_validator.c:117:15: warning[-Wanalyzer-infinite-loop]: infinite loop
# 115| {
# 116| char buf;
# 117|-> bytes = read (_mem_validate_pipe[0], &buf, 1);
# 118| }
# 119| while ( errno == EINTR );
Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/mi/Gdyn-remote.c:80:22: warning[unix.Malloc]: Use of memory allocated with size zero
# 78| }
# 79|
# 80|-> region->insn_count = insn_count;
# 81| region->op_count = op_count;
# 82| for (i = 0; i < op_count; ++i)
Error: GCC_ANALYZER_WARNING (CWE-476):
libunwind-1.8.0-build/libunwind-1.8.0/src/mi/Gdyn-remote.c: scope_hint: In function '_Ux86_64_Idyn_remote_find_proc_info'
libunwind-1.8.0-build/libunwind-1.8.0/src/mi/Gdyn-remote.c:249:28: warning[-Wanalyzer-possible-null-dereference]: dereference of possibly-NULL 'di'
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind-x86_64.h:136: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind.h:23: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind_i.h:51: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/src/mi/Gdyn-remote.c:28: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind-common.h:46:25: note: in definition of macro 'UNW_PASTE2'
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind_i.h:174:27: note: in expansion of macro 'UNW_PASTE'
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind-common.h:47:25: note: in expansion of macro 'UNW_PASTE2'
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind-common.h:54:25: note: in expansion of macro 'UNW_PASTE'
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind-common.h:47:25: note: in expansion of macro 'UNW_PASTE2'
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind-common.h:54:35: note: in expansion of macro 'UNW_PASTE'
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind_i.h:174:37: note: in expansion of macro 'UNW_PREFIX'
libunwind-1.8.0-build/libunwind-1.8.0/include/libunwind_i.h:272:41: note: in expansion of macro 'UNWI_OBJ'
libunwind-1.8.0-build/libunwind-1.8.0/src/mi/Gdyn-remote.c:204:1: note: in expansion of macro 'unwi_dyn_remote_find_proc_info'
libunwind-1.8.0-build/libunwind-1.8.0/src/mi/Gdyn-remote.c: scope_hint: In function '_Ux86_64_Idyn_remote_find_proc_info'
# 247| di = calloc (1, sizeof (*di));
# 248|
# 249|-> di->start_ip = start_ip;
# 250| di->end_ip = end_ip;
# 251|
Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/os-linux.c:52:30: warning[core.UndefinedBinaryOperatorResult]: The right operand of '<' is a garbage value
# 50|
# 51| while (maps_next (&mi, segbase, &hi, mapoff, NULL))
# 52|-> if (ip >= *segbase && ip < hi)
# 53| {
# 54| found = 1;
Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/os-linux.c:76:3: warning[deadcode.DeadStores]: Value stored to 'full_path' is never read
# 74| }
# 75|
# 76|-> full_path = mi.path;
# 77|
# 78| /* Get process root */
Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/os-linux.c:34: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/src/os-linux.h:275:7: warning[deadcode.DeadStores]: Value stored to 'cp' is never read
# 273| if (!cp)
# 274| continue;
# 275|-> cp = scan_string (cp, NULL, 0);
# 276| if (dash != '-' || colon != ':')
# 277| continue; /* skip line with unknown or bad format */
Error: COMPILER_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/ptrace/_UPT_get_dyn_info_list_addr.c: scope_hint: In function 'get_list_addr'
libunwind-1.8.0-build/libunwind-1.8.0/src/ptrace/_UPT_get_dyn_info_list_addr.c:85:3: warning[-Wcpp]: #warning Implement get_list_addr(), please.
# 83| int *countp)
# 84| {
# 85|-> # warning Implement get_list_addr(), please.
# 86| *countp = 0;
# 87| return 0;
Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/x86_64/Lstep.c:4: included_from: Included from here.
libunwind-1.8.0-build/libunwind-1.8.0/src/x86_64/Gstep.c:44:8: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 42|
# 43| a = unw_get_accessors_int (c->as);
# 44|-> if ((ret = (*a->access_mem) (c->as, c->ip, &w0, 0, c->as_arg)) < 0
# 45| || (ret = (*a->access_mem) (c->as, c->ip + 8, &w1, 0, c->as_arg)) < 0)
# 46| return 0;
Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/x86_64/Gstep.c:45:11: warning[deadcode.DeadStores]: Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret'
# 43| a = unw_get_accessors_int (c->as);
# 44| if ((ret = (*a->access_mem) (c->as, c->ip, &w0, 0, c->as_arg)) < 0
# 45|-> || (ret = (*a->access_mem) (c->as, c->ip + 8, &w1, 0, c->as_arg)) < 0)
# 46| return 0;
# 47|
Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/src/x86_64/Gtrace.c:449:27: warning[core.CallAndMessage]: 5th function call argument is an uninitialized value
# 447| cache negative results too to prevent unnecessary dwarf parsing
# 448| for common failures. */
# 449|-> unw_tdep_frame_t *f = trace_lookup (cursor, cache, cfa, rip, rbp, rsp);
# 450|
# 451| /* If we don't have information for this frame, give up. */
Error: CPPCHECK_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/tests/Gperf-simple.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/tests/Gperf-trace.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/tests/Lperf-simple.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: CPPCHECK_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/tests/Lperf-trace.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-775):
libunwind-1.8.0-build/libunwind-1.8.0/tests/crasher.c:24:9: warning[-Wanalyzer-file-leak]: leak of FILE ‘fopen("/proc/self/maps", "r")’
# 22| FILE *out = fopen(fname, "w");
# 23|
# 24|-> if (!maps || !out)
# 25| exit(EXIT_FAILURE);
# 26|
Error: GCC_ANALYZER_WARNING (CWE-775):
libunwind-1.8.0-build/libunwind-1.8.0/tests/crasher.c: scope_hint: In function ‘write_maps’
libunwind-1.8.0-build/libunwind-1.8.0/tests/crasher.c:24:9: warning[-Wanalyzer-file-leak]: leak of FILE ‘fopen(fname, "w")’
# 22| FILE *out = fopen(fname, "w");
# 23|
# 24|-> if (!maps || !out)
# 25| exit(EXIT_FAILURE);
# 26|
Error: GCC_ANALYZER_WARNING (CWE-401):
libunwind-1.8.0-build/libunwind-1.8.0/tests/crasher.c:24:9: warning[-Wanalyzer-malloc-leak]: leak of ‘fopen("/proc/self/maps", "r")’
# 22| FILE *out = fopen(fname, "w");
# 23|
# 24|-> if (!maps || !out)
# 25| exit(EXIT_FAILURE);
# 26|
Error: GCC_ANALYZER_WARNING (CWE-401):
libunwind-1.8.0-build/libunwind-1.8.0/tests/crasher.c:24:9: warning[-Wanalyzer-malloc-leak]: leak of ‘fopen(fname, "w")’
# 22| FILE *out = fopen(fname, "w");
# 23|
# 24|-> if (!maps || !out)
# 25| exit(EXIT_FAILURE);
# 26|
Error: GCC_ANALYZER_WARNING (CWE-674):
libunwind-1.8.0-build/libunwind-1.8.0/tests/mapper.c: scope_hint: In function ‘push_some_stacks’
libunwind-1.8.0-build/libunwind-1.8.0/tests/mapper.c:51:5: warning[-Wanalyzer-infinite-recursion]: infinite recursion
# 49| {
# 50| push_some_stacks(n - 1);
# 51|-> push_some_stacks(n - 1);
# 52| }
# 53| }
Error: CPPCHECK_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/tests/test-ptrace-misc.c: information[normalCheckLevelMaxBranches]: Limiting analysis of branches. Use --check-level=exhaustive to analyze all branches.
Error: GCC_ANALYZER_WARNING (CWE-401):
libunwind-1.8.0-build/libunwind-1.8.0/tests/test-ptrace-misc.c: scope_hint: In function ‘bar’
libunwind-1.8.0-build/libunwind-1.8.0/tests/test-ptrace-misc.c:100:6: warning[-Wanalyzer-malloc-leak]: leak of ‘<unknown>’
# 98| ))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
# 99| )))))))))))))))))))))))))))))))))))))))))))))))))))))));
# 100|-> if (r < 2)
# 101| v = r;
# 102|
Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/tests/test-ptrace-misc.c:103:3: warning[unix.Malloc]: Potential leak of memory pointed to by 'r'
# 101| v = r;
# 102|
# 103|-> kill (self, SIGUSR1); /* tell test-ptrace to start single-stepping */
# 104| v = func (v);
# 105| kill (self, SIGUSR2); /* tell test-ptrace to stop single-stepping */
Error: CLANG_WARNING:
libunwind-1.8.0-build/libunwind-1.8.0/tests/test-ptrace-misc.c:105:3: warning[unix.Malloc]: Potential leak of memory pointed to by 'v'
# 103| kill (self, SIGUSR1); /* tell test-ptrace to start single-stepping */
# 104| v = func (v);
# 105|-> kill (self, SIGUSR2); /* tell test-ptrace to stop single-stepping */
# 106| return v;
# 107| }
Error: CPPCHECK_WARNING (CWE-401):
libunwind-1.8.0-build/libunwind-1.8.0/tests/test-ptrace-misc.c:106: error[memleak]: Memory leak: r
# 104| v = func (v);
# 105| kill (self, SIGUSR2); /* tell test-ptrace to stop single-stepping */
# 106|-> return v;
# 107| }
# 108|