From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net] tcp: remove buggy call to tcp_v6_restore_cb() Date: Thu, 30 Nov 2017 10:22:22 -0500 (EST) Message-ID: <20171130.102222.2023509661427921371.davem@davemloft.net> References: <1512006237.19682.6.camel@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: fw@strlen.de, netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:45774 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750742AbdK3PWY (ORCPT ); Thu, 30 Nov 2017 10:22:24 -0500 In-Reply-To: <1512006237.19682.6.camel@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Wed, 29 Nov 2017 17:43:57 -0800 > From: Eric Dumazet > > 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 Applied and queued up for -stable.