From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934513AbdBVVOj (ORCPT ); Wed, 22 Feb 2017 16:14:39 -0500 Received: from mx2.suse.de ([195.135.220.15]:36962 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933533AbdBVVOb (ORCPT ); Wed, 22 Feb 2017 16:14:31 -0500 Subject: Re: [GIT PULL] namespaces related fixes for v4.11-rc1 To: "Eric W. Biederman" , Linus Torvalds References: <8760k29cku.fsf@xmission.com> Cc: linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org, Linux Containers , linux-kernel@vger.kernel.org From: Aleksa Sarai Message-ID: <84361910-ba16-79ff-09cd-c76b3f66cc85@suse.de> Date: Thu, 23 Feb 2017 08:15:46 +1100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 MIME-Version: 1.0 In-Reply-To: <8760k29cku.fsf@xmission.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > The only known user of this prctl systemd > forks all children after the prctl. So no userspace regressions will > occur. Note that runC and containerd (and thus Docker) as well as cri-o use the prctl as well -- to be able to collect exit codes from a non-child process (namely to collect the exit code from PID 1 in the container). -- Aleksa Sarai Software Engineer (Containers) SUSE Linux GmbH https://www.cyphar.com/