Clear errno before call to strtol(3).
Since strtol(3) doesn't clear errno on success, anything that sets
errno prior to this call will make it look like the call failed. This
happens when built with ASAN.
Signed-off-by: Dan Albert <danalbert@google.com>
Acked-by: Steve Lawrence <slawrence@tresys.com>
diff --git a/checkpolicy/checkpolicy.c b/checkpolicy/checkpolicy.c
index 7699619..61a2e89 100644
--- a/checkpolicy/checkpolicy.c
+++ b/checkpolicy/checkpolicy.c
@@ -456,7 +456,9 @@
mlspol = 1;
break;
case 'c':{
- long int n = strtol(optarg, NULL, 10);
+ long int n;
+ errno = 0;
+ n = strtol(optarg, NULL, 10);
if (errno) {
fprintf(stderr,
"Invalid policyvers specified: %s\n",