On Tue, 29 Dec 2020 05:59:20 +0800 Pengcheng Yang wrote:
> TCP_SKB_CB(skb)->tcp_tw_isn contains an ISN, chosen by
> tcp_timewait_state_process() , when SYN is received in TIMEWAIT state.
> But tcp_tw_isn is not used because it is overwritten by
> tcp_v4_restore_cb() after commit eeea10b83a13 ("tcp: add
> tcp_v4_fill_cb()/tcp_v4_restore_cb()").
>
> To fix this case, we record tcp_tw_isn before tcp_v4_restore_cb() and
> then set it in tcp_v4_fill_cb(). V6 does the same.
>
> Fixes: eeea10b83a13 ("tcp: add tcp_v4_fill_cb()/tcp_v4_restore_cb()")
> Reported-by: chenc <che...@wangsu.com>
> Signed-off-by: Pengcheng Yang <yan...@wangsu.com>
Please fix the date and resend. This patch came in last night,
but it has a date of December 28th.
