From f0d811b79c094f76cef6c82ce0e56033fbabb42d Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Tue, 9 Feb 2021 10:30:48 -0600
Subject: [PATCH] backtrace: Avoid null-dereferencing strchr result

---
 src/backtrace.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/backtrace.c b/src/backtrace.c
index dff248ff..42eebf97 100644
--- 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) {