vhost-vsock: fix orphan connection reset

local_addr.svm_cid is host cid. We should check guest cid instead,
which is remote_addr.svm_cid. Otherwise we end up resetting all
connections to all guests.

Cc: [email protected] [4.8+]
Reviewed-by: Stefan Hajnoczi <[email protected]>
Signed-off-by: Peng Tao <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: bergwolf

drivers/vhost/vsock.c

@@ -506,7 +506,7 @@ static void vhost_vsock_reset_orphans(struct sock *sk)
 	 * executing.
 	 */
 
-	if (!vhost_vsock_get(vsk->local_addr.svm_cid)) {
+	if (!vhost_vsock_get(vsk->remote_addr.svm_cid)) {
 		sock_set_flag(sk, SOCK_DONE);
 		vsk->peer_shutdown = SHUTDOWN_MASK;
 		sk->sk_state = SS_UNCONNECTED;