diff mbox series

[v4,13/19] multipath: fix max array size in print_cmd_valid

Message ID 1539126196-28926-14-git-send-email-bmarzins@redhat.com (mailing list archive)
State Not Applicable, archived
Delegated to: Mike Snitzer
Headers show
Series Misc Multipath patches | expand

Commit Message

Benjamin Marzinski Oct. 9, 2018, 11:03 p.m. UTC
The code is attempting to verify that 0 <= k < 3
However, sizeof(val) is 12, assuming 4 byte integers. The check needs to
take integer size into account. Found by coverity.

Reviewed-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
 multipath/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/multipath/main.c b/multipath/main.c
index fc5bf16..d5aad95 100644
--- a/multipath/main.c
+++ b/multipath/main.c
@@ -482,7 +482,7 @@  static int print_cmd_valid(int k, const vector pathvec,
 	struct timespec until;
 	struct path *pp;
 
-	if (k < 0 || k >= sizeof(vals))
+	if (k < 0 || k >= (sizeof(vals) / sizeof(int)))
 		return 1;
 
 	if (k == 2) {