[PATCH 4.8 14/33] vhost-vsock: fix orphan connection reset

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4.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Peng Tao <bergwolf@xxxxxxxxx>

commit c4587631c7bad47c045e081d1553cd73a23be59a upstream.

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.

Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
Signed-off-by: Peng Tao <bergwolf@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/vhost/vsock.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -506,7 +506,7 @@ static void vhost_vsock_reset_orphans(st
 	 * 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;


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