From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751549AbcGWL56 (ORCPT ); Sat, 23 Jul 2016 07:57:58 -0400 Received: from out01.mta.xmission.com ([166.70.13.231]:38466 "EHLO out01.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751234AbcGWL54 (ORCPT ); Sat, 23 Jul 2016 07:57:56 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: kernel test robot Cc: lkp@01.org, containers@lists.linux-foundation.org, LKML , Seth Forshee References: <5792dde7.0fHitzEpyzYl2u53%xiaolong.ye@intel.com> Date: Sat, 23 Jul 2016 06:44:55 -0500 In-Reply-To: <5792dde7.0fHitzEpyzYl2u53%xiaolong.ye@intel.com> (kernel test robot's message of "Sat, 23 Jul 2016 11:00:55 +0800") Message-ID: <878twsr32g.fsf@x220.int.ebiederm.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-XM-SPF: eid=1bQvZ3-0006zR-2c;;;mid=<878twsr32g.fsf@x220.int.ebiederm.org>;;;hst=in01.mta.xmission.com;;;ip=67.3.204.119;;;frm=ebiederm@xmission.com;;;spf=neutral X-XM-AID: U2FsdGVkX1+DWcEr5HU8xHwa8mwtooUiXa9e1a8+KC8= X-SA-Exim-Connect-IP: 67.3.204.119 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP * 1.5 TR_Symld_Words too many words that have symbols inside * 0.7 XMSubLong Long Subject * 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: 0.4999] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa02 1397; Body=1 Fuz1=1 Fuz2=1] * 0.0 T_TooManySym_01 4+ unique symbols in subject * 0.0 T_TooManySym_02 5+ unique symbols in subject X-Spam-DCC: XMission; sa02 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: **;kernel test robot X-Spam-Relay-Country: X-Spam-Timing: total 555 ms - load_scoreonly_sql: 0.05 (0.0%), signal_user_changed: 4.0 (0.7%), b_tie_ro: 2.9 (0.5%), parse: 1.15 (0.2%), extract_message_metadata: 23 (4.2%), get_uri_detail_list: 1.51 (0.3%), tests_pri_-1000: 8 (1.5%), tests_pri_-950: 2.0 (0.4%), tests_pri_-900: 1.67 (0.3%), tests_pri_-400: 25 (4.6%), check_bayes: 24 (4.2%), b_tokenize: 8 (1.4%), b_tok_get_all: 7 (1.2%), b_comp_prob: 3.1 (0.6%), b_tok_touch_all: 2.6 (0.5%), b_finish: 0.96 (0.2%), tests_pri_0: 323 (58.2%), check_dkim_signature: 0.80 (0.1%), check_dkim_adsp: 24 (4.3%), tests_pri_500: 161 (29.0%), poll_dns_idle: 150 (27.1%), rewrite_mail: 0.00 (0.0%) Subject: Re: [fs] bdd20132c6: BUG: sleeping function called from invalid context at fs/proc/proc_sysctl.c:1569 X-Spam-Flag: No X-SA-Exim-Version: 4.2.1 (built Thu, 05 May 2016 13:38:54 -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 kernel test robot writes: > FYI, we noticed the following commit: > > https://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git for-testing > commit bdd20132c624a976f88b108ff37c7481c6f33e70 ("fs: Set s_user_ns to &init_user_ns in sget when MS_KERNMOUNT") > > in testcase: boot > > on test machine: 2 threads qemu-system-x86_64 -enable-kvm with 360M memory > > caused below changes: Thank you for the report. For anyone who is watching the change that actually has the problem is: a02420f1402ca76a6f2833c14fa82044cb2a0ae4 ("userns: Add per user namespace sysctls.") It looks like that change isn't ready. Close but not quite. Ah well. Eric