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backtrace: Avoid null-dereferencing strchr result

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This commit is contained in:
Denis Kenzior 2021-02-09 10:30:48 -06:00
parent fa9ae4acb7
commit f0d811b79c
1 changed files with 3 additions and 0 deletions
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src/backtrace.c
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@ -121,6 +121,9 @@ void __iwd_backtrace_print(unsigned int offset)
buf[len] = '\0'; buf[len] = '\0';
pos = strchr(buf, '\n'); pos = strchr(buf, '\n');
if (!pos)
continue;
*pos++ = '\0'; *pos++ = '\0';
if (strcmp(buf, "??") == 0) { if (strcmp(buf, "??") == 0) {