From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arthur Marsh Subject: Re: inbound connection problems when "netlink: test for all flags of the NLM_F_DUMP composite" commit applied Date: Mon, 17 Jan 2011 11:33:10 +1030 Message-ID: <4D33954E.7090408@internode.on.net> References: <54347.1295168081@internode.on.net> <1295169670.3977.36.camel@edumazet-laptop> <4D32E3BA.5040008@internode.on.net> <4D336050.9030602@netfilter.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Jan Engelhardt , Eric Dumazet , Linux Netdev List To: Pablo Neira Ayuso Return-path: Received: from bld-mail13.adl6.internode.on.net ([150.101.137.98]:50307 "EHLO mail.internode.on.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751709Ab1AQBDS (ORCPT ); Sun, 16 Jan 2011 20:03:18 -0500 In-Reply-To: <4D336050.9030602@netfilter.org> Sender: netdev-owner@vger.kernel.org List-ID: Pablo Neira Ayuso wrote, on 17/01/11 07:47: > On 16/01/11 13:25, Arthur Marsh wrote: >> Jan Engelhardt wrote, on 16/01/11 21:20: >>> >>> Le dimanche 16 janvier 2011 =C3=A0 19:24 +1030, Arthur Marsh a =C3=A9= crit : >>>> >>>>> With kernels up to and including 2.6.37-git7, inbound telnetd-ssl >>>>> connections worked fine. With kernel 2.6.37-git9 and later inboun= d >>>>> telnetd-ssl connections failed, and on machine shut-down, there >>>>> were warning messages about daemons not return status. >>> >>> Which daemons are these? For reference, what distro do you happen >>> to use? >> >> avahi-daemon (which gave multiple warning messages, hence I thought = it >> may have been multiple packages) >> >> I'm running Debian unstable with kernel.org kernels. >> >>> >>>>> commit 0ab03c2b1478f2438d2c80204f7fef65b1bca9cf >>>>> netlink: test for all flags of the NLM_F_DUMP composite >>> >>> Each of the hunks in this commit is independent of another. >>> Would you mind bisecting these too? >> >> Recompiling with the only the first patch (attached) resulted in a >> repeat of the problem. >> >> I've removed one person from the cc: list as they did not want to >> receive email about this even though they signed off the commit. > > Please, pass this patch to the avahi-daemon developers. They use an > invalid netlink flag combination for dump operations. > > This patch has spotted a problem that they have to fix indeed. > I've forwarded this on as a Debian bug: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=3D610281 Regards, Arthur.