diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index a8352db5c5b54ca9d083a16400f41da5dd4ad871..955ec152cb71eac8c91e06f1c922d1df20f6e1f0 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1813,8 +1813,11 @@ alloc_skb:
 	skb->truesize += size;
 	atomic_add(size, &sk->sk_wmem_alloc);
 
-	if (newskb)
+	if (newskb) {
+		spin_lock(&other->sk_receive_queue.lock);
 		__skb_queue_tail(&other->sk_receive_queue, newskb);
+		spin_unlock(&other->sk_receive_queue.lock);
+	}
 
 	unix_state_unlock(other);
 	mutex_unlock(&unix_sk(other)->readlock);