X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=net%2Fcan%2Fraw.c;h=883e9d74fddf6439b483f822b327371b78bb9670;hb=5e5073280379d38e86ade471daa7443b553fc839;hp=e88f610fdb7bb11e69cc1f5a0bf10846d5c7165c;hpb=8f987768eb99631374f4ab0bb19cd062baf1397d;p=deliverable%2Flinux.git

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;