--- zzzz-none-000/linux-4.9.218/net/ipv4/tcp.c 2020-04-02 15:20:41.000000000 +0000 +++ seale-7590ax-750/linux-4.9.218/net/ipv4/tcp.c 2023-03-29 10:59:08.000000000 +0000 @@ -665,9 +665,9 @@ if (tcp_should_autocork(sk, skb, size_goal)) { /* avoid atomic op if TSQ_THROTTLED bit is already set */ - if (!test_bit(TSQ_THROTTLED, &tp->tsq_flags)) { + if (!test_bit(TSQ_THROTTLED, &sk->sk_tsq_flags)) { NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPAUTOCORKING); - set_bit(TSQ_THROTTLED, &tp->tsq_flags); + set_bit(TSQ_THROTTLED, &sk->sk_tsq_flags); } /* It is possible TX completion already happened * before we set TSQ_THROTTLED.