From: Song Liu <songliubrav...@fb.com>
Date: Tue, 6 Feb 2018 20:50:23 -0800
> tracepoint tcp_send_reset requires a full socket to work. However, it
> may be called when in TCP_TIME_WAIT:
>
> case TCP_TW_RST:
> tcp_v6_send_reset(sk, skb);
> inet_twsk_deschedule_put(inet_twsk(sk));
> goto discard_it;
>
> To avoid this problem, this patch checks the socket with sk_fullsock()
> before calling trace_tcp_send_reset().
>
> Fixes: c24b14c46bb8 ("tcp: add tracepoint trace_tcp_send_reset")
> Signed-off-by: Song Liu <songliubrav...@fb.com>
> Reviewed-by: Lawrence Brakmo <bra...@fb.com>
Applied and queued up for -stable, thank you.
