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Merge pull request #1439 from ivanstepanovftw/fix-dwarf-npd

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fix #1438 null dereference in dwarf
This commit is contained in:
Bartosz Taudul
2026-07-30 19:25:41 +02:00
committed by GitHub
parent 3baa2f0a09 1673a305cf
commit b418abd8de
1 changed files with 2 additions and 2 deletions
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4
public/libbacktrace/dwarf.cpp
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@@ -4153,7 +4153,7 @@ report_inlined_functions (uintptr_t pc, struct function *function, const char* c
return ret;
/* Report this inlined call. */
if (*filename[0] != '/' && comp_dir)
if (*filename && *filename[0] != '/' && comp_dir)
{
char buf[1024];
snprintf (buf, 1024, "%s/%s", comp_dir, *filename);
@@ -4434,7 +4434,7 @@ dwarf_lookup_pc (struct backtrace_state *state, struct dwarf_data *ddata,
if (ret != 0)
return ret;
if (filename[0] != '/' && entry->u->comp_dir)
if (filename && filename[0] != '/' && entry->u->comp_dir)
{
char buf[1024];
snprintf (buf, 1024, "%s/%s", entry->u->comp_dir, filename);