[dm-devel] [PATCH 28/32] multipath: fix max array size in print_cmd_valid
Benjamin Marzinski
bmarzins at redhat.com
Wed Aug 1 20:57:14 UTC 2018
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.
Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>
---
multipath/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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) {
--
2.7.4
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