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authorDavid S. Miller <davem@davemloft.net>2016-12-10 16:21:55 -0500
committerDavid S. Miller <davem@davemloft.net>2016-12-10 16:21:55 -0500
commit821781a9f40673c2aa0f29d9d8226ec320dff20c (patch)
treec9d5cb8a184fff84a9d841d8cb5da4b26be5c551 /net
parent3174fed9820edc95cff74ad0934c3240c7fb5115 (diff)
parent045169816b31b10faed984b01c390db1b32ee4c1 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net')
-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) {