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-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 e88f610fdb7b..883e9d74fddf 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -649,6 +649,9 @@ static int raw_sendmsg(struct kiocb *iocb, struct socket *sock,
struct sockaddr_can *addr =
(struct sockaddr_can *)msg->msg_name;
+ if (msg->msg_namelen < sizeof(*addr))
+ return -EINVAL;
+
if (addr->can_family != AF_CAN)
return -EINVAL;