backtrace: Avoid null-dereferencing strchr result

2021-02-09 10:30:48 -06:00 · 2021-02-09 10:30:48 -06:00 · f0d811b79c
parent fa9ae4acb7
commit f0d811b79c
1 changed files with 3 additions and 0 deletions
--- a/src/backtrace.c
+++ b/src/backtrace.c
@ -121,6 +121,9 @@ void __iwd_backtrace_print(unsigned int offset)
 		buf[len] = '\0';

 		pos = strchr(buf, '\n');
+		if (!pos)
+			continue;
+
 		*pos++ = '\0';

 		if (strcmp(buf, "??") == 0) {