dwz-0.15-8.fc42

List of Findings

Error: CPPCHECK_WARNING (CWE-401): [#def1]
dwz-0.15-build/dwz/args.c:493: error[memleakOnRealloc]: Common realloc mistake: 'skip_producers' nulled but not freed upon failure
#  491|         skip_producers_size += 10;
#  492|         alloc_size = skip_producers_size * sizeof (const char *);
#  493|->       skip_producers = realloc (skip_producers, alloc_size);
#  494|       }
#  495|   

Error: CPPCHECK_WARNING (CWE-476): [#def2]
dwz-0.15-build/dwz/dwz.c:7798: warning[nullPointer]: Possible null pointer dereference: def
# 7796|   
# 7797|     assert (!die->die_remove);
# 7798|->   assert (def->die_remove);
# 7799|     def->die_remove = 0;
# 7800|     die->die_remove = 1;

Error: CPPCHECK_WARNING (CWE-476): [#def3]
dwz-0.15-build/dwz/dwz.c:7799: warning[nullPointer]: Possible null pointer dereference: def
# 7797|     assert (!die->die_remove);
# 7798|     assert (def->die_remove);
# 7799|->   def->die_remove = 0;
# 7800|     die->die_remove = 1;
# 7801|     def->die_ref_seen = die->die_ref_seen;

Error: CPPCHECK_WARNING (CWE-476): [#def4]
dwz-0.15-build/dwz/dwz.c:7801: warning[nullPointer]: Possible null pointer dereference: def
# 7799|     def->die_remove = 0;
# 7800|     die->die_remove = 1;
# 7801|->   def->die_ref_seen = die->die_ref_seen;
# 7802|     dw_die_ref next = def->die_nextdup;
# 7803|     if (prev)

Error: CPPCHECK_WARNING (CWE-476): [#def5]
dwz-0.15-build/dwz/dwz.c:7802: warning[nullPointer]: Possible null pointer dereference: def
# 7800|     die->die_remove = 1;
# 7801|     def->die_ref_seen = die->die_ref_seen;
# 7802|->   dw_die_ref next = def->die_nextdup;
# 7803|     if (prev)
# 7804|       prev->die_nextdup = next;

Error: CPPCHECK_WARNING (CWE-476): [#def6]
dwz-0.15-build/dwz/dwz.c:7805: warning[nullPointer]: Possible null pointer dereference: def
# 7803|     if (prev)
# 7804|       prev->die_nextdup = next;
# 7805|->   def->die_nextdup = die;
# 7806|     for (d = def; d; prev = d, d = d->die_nextdup)
# 7807|       {

Error: CPPCHECK_WARNING (CWE-457): [#def7]
dwz-0.15-build/dwz/dwz.c:13911: warning[uninitvar]: Uninitialized variable: sorted_section_numbers
#13909|   
#13910|     compare_section_numbers_implicit_arg = dso;
#13911|->   qsort (sorted_section_numbers, nr_sections,
#13912|   	 sizeof (sorted_section_numbers[0]), compare_section_numbers);
#13913|     compare_section_numbers_implicit_arg = NULL;

Error: COMPILER_WARNING (CWE-252): [#def8]
dwz-0.15-build/dwz/dwz.c: scope_hint: In function ‘get_token’
dwz-0.15-build/dwz/dwz.c:15310:3: warning[-Wunused-result]: ignoring return value of ‘read’ declared with attribute ‘warn_unused_result’
#15310 |   read (readfd, &buf, 1);
#      |   ^~~~~~~~~~~~~~~~~~~~~~
#15308|     close (writefd);
#15309|     char buf;
#15310|->   read (readfd, &buf, 1);
#15311|     close (readfd);
#15312|   }

Error: COMPILER_WARNING (CWE-252): [#def9]
dwz-0.15-build/dwz/dwz.c: scope_hint: In function ‘pass_token’
dwz-0.15-build/dwz/dwz.c:15322:3: warning[-Wunused-result]: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’
#15322 |   write (writefd, &buf, 1);
#      |   ^~~~~~~~~~~~~~~~~~~~~~~~
#15320|     close (readfd);
#15321|     char buf = '\0';
#15322|->   write (writefd, &buf, 1);
#15323|     close (writefd);
#15324|   }

Error: GCC_ANALYZER_WARNING (CWE-476): [#def10]
dwz-0.15-build/dwz/hashtab.c: scope_hint: In function ‘htab_remove_elt’
dwz-0.15-build/dwz/hashtab.c:459:7: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’
#  457|   
#  458|     slot = htab_find_slot (htab, element, NO_INSERT);
#  459|->   if (*slot == EMPTY_ENTRY)
#  460|       return;
#  461|   

Error: GCC_ANALYZER_WARNING (CWE-476): [#def11]
dwz-0.15-build/dwz/pool.c: scope_hint: In function ‘pool_alloc_1’
dwz-0.15-build/dwz/pool.c:54:36: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘new_pool’
#   52|         if (new_pool == NULL)
#   53|   	dwz_oom ();
#   54|->       *(unsigned char **) new_pool = pool;
#   55|         pool_next = new_pool + sizeof (unsigned char *);
#   56|         pool_limit = new_pool + new_size;

Scan Properties