--- zzzz-none-000/linux-4.4.60/net/ipv4/tcp.c 2017-04-08 07:53:53.000000000 +0000 +++ scorpion-1750e-727/linux-4.4.60/net/ipv4/tcp.c 2021-02-04 17:41:59.000000000 +0000 @@ -3124,6 +3124,7 @@ int max_rshare, max_wshare, cnt; unsigned int i; + BUILD_BUG_ON(TCP_MIN_SND_MSS <= MAX_TCP_OPTION_SPACE); sock_skb_cb_check_size(sizeof(struct tcp_skb_cb)); percpu_counter_init(&tcp_sockets_allocated, 0, GFP_KERNEL);