From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Westphal Subject: Re: [netfilter-core] [lkp] [netfilter] 68263ddb47: WARNING: CPU: 0 PID: 1225 at net/netfilter/nf_conntrack_seqadj.c:232 nf_ct_seq_offset+0x7a/0x9a Date: Sat, 17 Sep 2016 12:40:21 +0200 Message-ID: <20160917104021.GF5204@breakpoint.cc> References: <1472780905-13094-1-git-send-email-fgao@ikuai8.com> <20160916140449.GB7764@yexl-desktop> <20160916171827.GE5204@breakpoint.cc> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Florian Westphal , kernel test robot , Netfilter Developer Mailing List , lkp@01.org To: Gao Feng Return-path: Received: from Chamillionaire.breakpoint.cc ([146.0.238.67]:50516 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758731AbcIQKki (ORCPT ); Sat, 17 Sep 2016 06:40:38 -0400 Content-Disposition: inline In-Reply-To: Sender: netfilter-devel-owner@vger.kernel.org List-ID: Gao Feng wrote: [ drop netdev & coreteam from cc list ] > On Sat, Sep 17, 2016 at 1:18 AM, Florian Westphal wrote: > > > Gao Feng wrote: > > > > [ 23.465616] ------------[ cut here ]------------ > > > > [ 23.466477] WARNING: CPU: 0 PID: 1225 at net/netfilter/nf_conntrack_ > > seqadj.c:232 > > > > nf_ct_seq_offset+0x7a/0x9a > > > > [ 23.468458] Missing nfct_seqadj_ext_add() setup call > > > > > > > > > > It should be that nf_ct_add_synproxy failed and the seqadj extentision is > > > not added. > > > > Note that nfct_synproxy_ext_add always returns NULL if > > CONFIG_NETFILTER_SYNPROXY=n > > > > The warning should also be removed. > > > When CONFIG_NETFILTER_SYNPROXY=NULL, it will not reach > nfct_synproxy_ext_add, because nfct_synproxy also returns the NULL. Right. Apologies, I did not realize this report is about an old revision of the patch that was never applied to the tree. So I think we can just ignore this report. [ its this patch: https://patchwork.ozlabs.org/patch/665102/ ] > I am not clear why the commit breaks conntrack when if SYNPROXY=n based on > my response above. Its fine, forget about it.