getproctitle - check for null after last strchr

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>

getproctitle - check for null after last strchr
397a1b4b · Serge Hallyn · Stéphane Graber · 75a8cfbf · 397a1b4b
Commit 397a1b4b authored Jan 31, 2015 by Serge Hallyn Committed by Stéphane Graber Mar 16, 2015
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utils.c src/lxc/utils.c +3 -0

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--- a/src/lxc/utils.c
+++ b/src/lxc/utils.c
@@ -1596,6 +1596,9 @@ int setproctitle(char *title)
 		tmp = strchr(tmp+1, ' ');
 	}
+	if (!tmp)
+		return -1;
 	i = sscanf(tmp, "%lu %lu %lu %lu", &arg_start, &arg_end, &env_start, &env_end);
 	if (i != 4) {
 		return -1;