It should use htonl for the GID, not htons.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
                read_lock_bh(&skb->sk->sk_callback_lock);
                if (skb->sk->sk_socket && skb->sk->sk_socket->file) {
                        __be32 uid = htonl(skb->sk->sk_socket->file->f_uid);
-                       __be32 gid = htons(skb->sk->sk_socket->file->f_gid);
+                       __be32 gid = htonl(skb->sk->sk_socket->file->f_gid);
                        /* need to unlock here since NLA_PUT may goto */
                        read_unlock_bh(&skb->sk->sk_callback_lock);
                        NLA_PUT_BE32(inst->skb, NFULA_UID, uid);