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Diffstat (limited to 'net/can')
-rw-r--r--net/can/raw.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/can/raw.c b/net/can/raw.c
index 972c187d40ab..b075f028d7e2 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -499,6 +499,9 @@ static int raw_setsockopt(struct socket *sock, int level, int optname,
if (optlen % sizeof(struct can_filter) != 0)
return -EINVAL;
+ if (optlen > CAN_RAW_FILTER_MAX * sizeof(struct can_filter))
+ return -EINVAL;
+
count = optlen / sizeof(struct can_filter);
if (count > 1) {