1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index caf3c41dcc8c..511b738f118a 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -127,7 +127,7 @@ static void tcp_measure_rcv_mss(struct sock *sk,
         /* skb->len may jitter because of SACKs, even if peer
          * sends good full-sized frames.
          */
-        len = skb->len;
+        len = skb_shinfo(skb)->gso_size ?: skb->len;
         if (len >= icsk->icsk_ack.rcv_mss) {
                 icsk->icsk_ack.rcv_mss = len;
         } else {