On Tue, Aug 16, 2016 at 1:27 PM, Eric Dumazet <eric.duma...@gmail.com> wrote: > And tcp_add_write_queue_tail() looks like : > > > static inline void tcp_add_write_queue_tail(struct sock *sk, struct sk_buff > *skb) > { > __tcp_add_write_queue_tail(sk, skb); > > /* Queue it, remembering where we must start sending. */ > if (sk->sk_send_head == NULL) { > sk->sk_send_head = skb; > > if (tcp_sk(sk)->highest_sack == NULL) > tcp_sk(sk)->highest_sack = skb; > } > } >
Ah, I never looked into tcp_add_write_queue_tail()... So this bug seems exist after commit 6859d49475d4f32abe640372117e4b...