From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754739Ab1G0QCk (ORCPT ); Wed, 27 Jul 2011 12:02:40 -0400 Received: from mga09.intel.com ([134.134.136.24]:9358 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754724Ab1G0QCg (ORCPT ); Wed, 27 Jul 2011 12:02:36 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,276,1309762800"; d="scan'208";a="30757165" Message-ID: <4E30369B.8030708@linux.intel.com> Date: Wed, 27 Jul 2011 09:02:35 -0700 From: Andi Kleen User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.15) Gecko/20110303 Thunderbird/3.1.9 MIME-Version: 1.0 To: Tim Gardner CC: Andi Kleen , ebiederm@xmission.com, dan@aloni.org, davem@davemloft.net, gregkh@suse.de, linux-kernel@vger.kernel.org, stable@kernel.org, tim.bird@am.sony.com, stable@vger.kernel.org Subject: Re: [stable] [PATCH] [26/98] af_unix: Only allow recv on connected seqpacket sockets. References: <20110726534.972201586@firstfloor.org> <20110727003518.6DA772403FF@tassilo.jf.intel.com> <4E3035BE.6090908@canonical.com> In-Reply-To: <4E3035BE.6090908@canonical.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Andi - Ubuntu has reverted this patch for both Lucid (2.6.32) and > Natty (2.6.38) as it appears to cause a networking regression, though > we never really figured out root cause. Empirically, reverting the > patch solved the issue. Eric Biederman theorized that it uncovered a > user space issue (trying to read before listen), but the bug reporter > seems to have lost interest in testing kernels so we couldn't ever pin > it down. > > http://bugs.launchpad.net/bugs/791512 > > We also decided that reverting this patch was likely OK because we > couldn't find any Launchpad reports of the Ooops mentioned in the > patch commit log, nor does a google search turn up any hits. Thanks for the heads-up. I'm dropping it. -Andi