diff options
| -rw-r--r-- | net/netlink/af_netlink.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index fa556fdef57d..55342c4d5cec 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1844,6 +1844,8 @@ static int netlink_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) if (msg->msg_namelen) { err = -EINVAL; + if (msg->msg_namelen < sizeof(struct sockaddr_nl)) + goto out; if (addr->nl_family != AF_NETLINK) goto out; dst_portid = addr->nl_pid; |