From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752777AbbE0PVR (ORCPT ); Wed, 27 May 2015 11:21:17 -0400 Received: from out03.mta.xmission.com ([166.70.13.233]:46591 "EHLO out03.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751359AbbE0PVN convert rfc822-to-8bit (ORCPT ); Wed, 27 May 2015 11:21:13 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: Josh Boyer Cc: Alexander Larsson , containers@lists.linux-foundation.org, "Linux-Kernel\@Vger. Kernel. Org" References: <1431959951.5030.2.camel@redhat.com> <1432642765.19400.2.camel@redhat.com> <87vbff1es3.fsf@x220.int.ebiederm.org> Date: Wed, 27 May 2015 10:16:14 -0500 In-Reply-To: (Josh Boyer's message of "Wed, 27 May 2015 10:06:53 -0400") Message-ID: <87pp5mqce9.fsf@x220.int.ebiederm.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT X-XM-AID: U2FsdGVkX1+kqqndKT7ZvgP0klZzF9VWTA3zy3qCMpg= X-SA-Exim-Connect-IP: 67.3.205.90 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.0 TVD_RCVD_IP Message was received from an IP address * 0.0 T_TM2_M_HEADER_IN_MSG BODY: No description available. * 0.8 BAYES_50 BODY: Bayes spam probability is 40 to 60% * [score: 0.5000] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa05 1397; Body=1 Fuz1=1 Fuz2=1] X-Spam-DCC: XMission; sa05 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: ;Josh Boyer X-Spam-Relay-Country: X-Spam-Timing: total 317 ms - load_scoreonly_sql: 0.04 (0.0%), signal_user_changed: 6 (2.0%), b_tie_ro: 6 (1.7%), parse: 0.65 (0.2%), extract_message_metadata: 12 (3.8%), get_uri_detail_list: 0.87 (0.3%), tests_pri_-1000: 6 (1.9%), tests_pri_-950: 1.11 (0.3%), tests_pri_-900: 0.85 (0.3%), tests_pri_-400: 23 (7.2%), check_bayes: 22 (6.8%), b_tokenize: 7 (2.1%), b_tok_get_all: 5 (1.7%), b_comp_prob: 1.67 (0.5%), b_tok_touch_all: 2.4 (0.8%), b_finish: 0.77 (0.2%), tests_pri_0: 257 (81.0%), tests_pri_500: 8 (2.5%), rewrite_mail: 0.00 (0.0%) Subject: Re: Kernel panic with user namespaces X-Spam-Flag: No X-SA-Exim-Version: 4.2.1 (built Wed, 24 Sep 2014 11:00:52 -0600) X-SA-Exim-Scanned: Yes (on in01.mta.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Josh Boyer writes: > On Tue, May 26, 2015 at 12:31 PM, Eric W. Biederman > wrote: >> Alexander Larsson writes: >> >>> On mån, 2015-05-18 at 16:39 +0200, Alexander Larsson wrote: >>> >>> Didn't get any replies to the below kernel panic (testcase attached), >>> which seems rather important to fix. Reposting to a wider audience. >> >> Buggered backport greg already has the fix somewhere in his queue. > > Is it fs_pin-allow-for-the-possibility-that-m_list-or-s_list-go-unused.patch > or mnt-fail-collect_mounts-when-applied-to-unmounted-mounts.patch ? > (Or both I guess.) Those are the only 2 patches queued for 4.0 stable > right now. Both fix the buggered backport. fs_pin-allow-for-the-possibility-that-m_list-or-s_list-go-unused.patch fixes the crash. Eric