From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v2 net-next] net: make skb_set_owner_w() more robust Date: Mon, 02 Nov 2015 16:29:17 -0500 (EST) Message-ID: <20151102.162917.316954656038063696.davem@davemloft.net> References: <1446417380.6254.93.camel@edumazet-glaptop2.roam.corp.google.com> <1446418728.6254.101.camel@edumazet-glaptop2.roam.corp.google.com> <1446421015.6254.106.camel@edumazet-glaptop2.roam.corp.google.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: haiyangz@microsoft.com, edumazet@google.com, netdev@vger.kernel.org, kys@microsoft.com To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:35832 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752722AbbKBV3T (ORCPT ); Mon, 2 Nov 2015 16:29:19 -0500 In-Reply-To: <1446421015.6254.106.camel@edumazet-glaptop2.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Sun, 01 Nov 2015 15:36:55 -0800 > From: Eric Dumazet > > skb_set_owner_w() is called from various places that assume > skb->sk always point to a full blown socket (as it changes > sk->sk_wmem_alloc) > > We'd like to attach skb to request sockets, and in the future > to timewait sockets as well. For these kind of pseudo sockets, > we need to take a traditional refcount and use sock_edemux() > as the destructor. > > It is now time to un-inline skb_set_owner_w(), being too big. > > Fixes: ca6fb0651883 ("tcp: attach SYNACK messages to request sockets instead of listener") > Signed-off-by: Eric Dumazet > Bisected-by: Haiyang Zhang Applied, thanks.