1 files changed, 4 insertions, 0 deletions

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 23f2e98d4b65..cf0694d4ad60 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1045,6 +1045,10 @@ static inline bool tcp_prequeue(struct sock *sk, struct sk_buff *skb)
         if (sysctl_tcp_low_latency || !tp->ucopy.task)
                 return false;
 
+        if (skb->len <= tcp_hdrlen(skb) &&
+            skb_queue_len(&tp->ucopy.prequeue) == 0)
+                return false;
+
         __skb_queue_tail(&tp->ucopy.prequeue, skb);
         tp->ucopy.memory += skb->truesize;
         if (tp->ucopy.memory > sk->sk_rcvbuf) {