From: Eric Dumazet <eric.duma...@gmail.com>
Date: Wed, 29 Nov 2017 17:43:57 -0800
> From: Eric Dumazet <eduma...@google.com>
>
> tcp_v6_send_reset() expects to receive an skb with skb->cb[] layout as
> used in TCP stack.
> MD5 lookup uses tcp_v6_iif() and tcp_v6_sdif() and thus
> TCP_SKB_CB(skb)->header.h6
>
> This patch probably fixes RST packets sent on behalf of a timewait md5
> ipv6 socket.
>
> Before Florian patch, tcp_v6_restore_cb() was needed before jumping to
> no_tcp_socket label.
>
> Fixes: 271c3b9b7bda ("tcp: honour SO_BINDTODEVICE for TW_RST case too")
> Signed-off-by: Eric Dumazet <eduma...@google.com>
Applied and queued up for -stable.
