Newly introduced findings

List of Findings

Error: CPPCHECK_WARNING (CWE-457): [#def1]
sed-4.10/lib/file-has-acl.c:496: error[uninitvar]: Uninitialized variable: buf
#  494|     int ret = (fd < 0
#  495|                ? ((flags & ACL_SYMLINK_FOLLOW ? getxattr : lgetxattr)
#  496|->                 (name, XATTR_NAME_NFSV4_ACL, buf, sizeof buf))
#  497|                : fgetxattr (fd, XATTR_NAME_NFSV4_ACL, buf, sizeof buf));
#  498|     if (ret < 0)

Error: COMPILER_WARNING (CWE-563): [#def2]
sed-4.10/lib/regexec.c: scope_hint: In function 'rpl_regexec'
sed-4.10/lib/glthread/lock.h:524:35: warning[-Wunused-value]: statement with no effect
#  524 | # define glthread_lock_lock(NAME) 0
#      |                                   ^
sed-4.10/lib/regex_internal.h:62:26: note: in expansion of macro 'glthread_lock_lock'
#   62 | # define lock_lock(lock) glthread_lock_lock (&(lock))
#      |                          ^~~~~~~~~~~~~~~~~~
sed-4.10/lib/regexec.c:208:3: note: in expansion of macro 'lock_lock'
#  208 |   lock_lock (dfa->lock);
#      |   ^~~~~~~~~
#  522|   # define gl_lock_define_initialized(STORAGECLASS, NAME)
#  523|   # define glthread_lock_init(NAME) 0
#  524|-> # define glthread_lock_lock(NAME) 0
#  525|   # define glthread_lock_unlock(NAME) 0
#  526|   # define glthread_lock_destroy(NAME) 0

Error: COMPILER_WARNING (CWE-563): [#def3]
sed-4.10/lib/glthread/lock.h:525:37: warning[-Wunused-value]: statement with no effect
#  525 | # define glthread_lock_unlock(NAME) 0
#      |                                     ^
sed-4.10/lib/regex_internal.h:63:28: note: in expansion of macro 'glthread_lock_unlock'
#   63 | # define lock_unlock(lock) glthread_lock_unlock (&(lock))
#      |                            ^~~~~~~~~~~~~~~~~~~~
sed-4.10/lib/regexec.c:215:3: note: in expansion of macro 'lock_unlock'
#  215 |   lock_unlock (dfa->lock);
#      |   ^~~~~~~~~~~
#  523|   # define glthread_lock_init(NAME) 0
#  524|   # define glthread_lock_lock(NAME) 0
#  525|-> # define glthread_lock_unlock(NAME) 0
#  526|   # define glthread_lock_destroy(NAME) 0
#  527|   

Error: COMPILER_WARNING (CWE-563): [#def4]
sed-4.10/lib/regex_internal.h:58: included_from: Included from here.
sed-4.10/lib/regex.c:68: included_from: Included from here.
sed-4.10/lib/regcomp.c: scope_hint: In function 'rpl_regfree'
sed-4.10/lib/glthread/lock.h:526:38: warning[-Wunused-value]: statement with no effect
#  526 | # define glthread_lock_destroy(NAME) 0
#      |                                      ^
sed-4.10/lib/regex_internal.h:61:26: note: in expansion of macro 'glthread_lock_destroy'
#   61 | # define lock_fini(lock) glthread_lock_destroy (&(lock))
#      |                          ^~~~~~~~~~~~~~~~~~~~~
sed-4.10/lib/regcomp.c:612:7: note: in expansion of macro 'lock_fini'
#  612 |       lock_fini (dfa->lock);
#      |       ^~~~~~~~~
#  524|   # define glthread_lock_lock(NAME) 0
#  525|   # define glthread_lock_unlock(NAME) 0
#  526|-> # define glthread_lock_destroy(NAME) 0
#  527|   
#  528|   /* ------------------------- gl_rwlock_t datatype ------------------------- */

Error: GCC_ANALYZER_WARNING (CWE-401): [#def5]
sed-4.10/lib/regex_internal.c:951:3: warning[-Wanalyzer-malloc-leak]: leak of '*set.elems'
sed-4.10/lib/regexec.c:3187:1: enter_function: entry to 'check_arrival_expand_ecl_sub'
sed-4.10/lib/regexec.c:3191:27: branch_true: following 'true' branch...
sed-4.10/lib/regexec.c:3195:11: branch_true: ...to here
sed-4.10/lib/regexec.c:3195:10: branch_true: following 'true' branch...
sed-4.10/lib/regexec.c:3196:14: branch_true: ...to here
sed-4.10/lib/regexec.c:3195:11: branch_false: following 'false' branch...
sed-4.10/lib/regexec.c:3206:12: branch_false: ...to here
sed-4.10/lib/regexec.c:3206:12: call_function: calling 're_node_set_insert' from 'check_arrival_expand_ecl_sub'
sed-4.10/lib/regexec.c:3206:12: return_function: returning to 'check_arrival_expand_ecl_sub' from 're_node_set_insert'
sed-4.10/lib/regexec.c:3207:10: branch_false: following 'false' branch...
sed-4.10/lib/regexec.c:3209:11: branch_false: ...to here
sed-4.10/lib/regexec.c:3209:10: branch_false: following 'false' branch...
sed-4.10/lib/regexec.c:3211:10: branch_false: ...to here
sed-4.10/lib/regexec.c:3211:10: branch_true: following 'true' branch...
sed-4.10/lib/regexec.c:3215:47: branch_true: ...to here
sed-4.10/lib/regexec.c:3214:17: call_function: calling 'check_arrival_expand_ecl_sub' from 'check_arrival_expand_ecl_sub'
sed-4.10/lib/regexec.c:3214:17: return_function: returning to 'check_arrival_expand_ecl_sub' from 'check_arrival_expand_ecl_sub'
sed-4.10/lib/regexec.c:3217:14: branch_false: following 'false' branch...
sed-4.10/lib/regexec.c:3220:18: branch_false: ...to here
sed-4.10/lib/regexec.c:3191:28: call_function: calling 're_node_set_contains' from 'check_arrival_expand_ecl_sub'
sed-4.10/lib/regexec.c:3191:28: return_function: returning to 'check_arrival_expand_ecl_sub' from 're_node_set_contains'
sed-4.10/lib/regexec.c:3191:27: branch_true: following 'true' branch...
sed-4.10/lib/regexec.c:3195:11: branch_true: ...to here
sed-4.10/lib/regexec.c:3206:12: call_function: calling 're_node_set_insert' from 'check_arrival_expand_ecl_sub'
#  949|     set->alloc = 1;
#  950|     set->nelem = 1;
#  951|->   set->elems = re_malloc (Idx, 1);
#  952|     if (__glibc_unlikely (set->elems == NULL))
#  953|       {

Error: COMPILER_WARNING (CWE-563): [#def6]
sed-4.10/lib/regex.c:72: included_from: Included from here.
sed-4.10/lib/regexec.c:192:13: warning[-Wunused-variable]: unused variable 'dfa'
#  192 |   re_dfa_t *dfa = preg->buffer;
#      |             ^~~
#  190|     reg_errcode_t err;
#  191|     Idx start, length;
#  192|->   re_dfa_t *dfa = preg->buffer;
#  193|   
#  194|     if (eflags & ~(REG_NOTBOL | REG_NOTEOL | REG_STARTEND))

Error: COMPILER_WARNING (CWE-563): [#def7]
sed-4.10/lib/regexec.c:372:13: warning[-Wunused-variable]: unused variable 'dfa'
#  372 |   re_dfa_t *dfa = bufp->buffer;
#      |             ^~~
#  370|     regoff_t rval;
#  371|     int eflags = 0;
#  372|->   re_dfa_t *dfa = bufp->buffer;
#  373|     Idx last_start = start + range;
#  374|   

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