--- x/net/vmw_vsock/vsock_loopback.c
+++ y/net/vmw_vsock/vsock_loopback.c
@@ -44,8 +44,15 @@ static int vsock_loopback_send_pkt(struc
 static int vsock_loopback_cancel_pkt(struct vsock_sock *vsk)
 {
 	struct vsock_loopback *vsock = &the_vsock_loopback;
+	struct sk_buff_head pkts;
 
-	virtio_transport_purge_skbs(vsk, &vsock->pkt_queue);
+	skb_queue_head_init(&pkts);
+
+	spin_lock_bh(&vsock->pkt_list_lock);
+	skb_queue_splice_init(&vsock->pkt_queue, &pkts);
+	spin_unlock_bh(&vsock->pkt_list_lock);
+
+	virtio_transport_purge_skbs(vsk, &pkts);
 
 	return 0;
 }