From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: linux-next: manual merge of the akpm-current tree with the userns tree Date: Wed, 25 Jan 2017 17:43:22 -0800 Message-ID: <20170125174322.777ddcb0e232d5409569e95c@linux-foundation.org> References: <20170125160835.1b94db55@canb.auug.org.au> <871svqeivo.fsf@xmission.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from mail.linuxfoundation.org ([140.211.169.12]:33102 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752203AbdAZBnY (ORCPT ); Wed, 25 Jan 2017 20:43:24 -0500 In-Reply-To: <871svqeivo.fsf@xmission.com> Sender: linux-next-owner@vger.kernel.org List-ID: To: "Eric W. Biederman" Cc: Stephen Rothwell , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Aleksa Sarai On Thu, 26 Jan 2017 13:59:23 +1300 ebiederm@xmission.com (Eric W. Biederman) wrote: > Stephen Rothwell writes: > > > Hi all, > > > > Today's linux-next merge of the akpm-current tree got a conflict in: > > > > fs/proc/base.c > > > > between commit: > > > > 68eb94f16227 ("proc: Better ownership of files for non-dumpable tasks in user namespaces") > > > > from the userns tree and commit: > > > > d15d29b5352f ("procfs: change the owner of non-dumpable and writeable files") > > > > from the akpm-current tree. > > > > I *think* that the former supercedes the latter? > > Sort of. After a long conversation it turns out what they are trying to > do is orthogonal. > > The first (mine) is handling the case of non-dumpable tasks in user > namespaces. > > The second by Aleksa Sarai is trying to trying to relax the permission > checks in proc so that non-dumpable is not as strict, to sort out some > runC issues where they are having challenges coding themselves into a > corner. In the case of /proc/self I think there may be a case but in > general relaxing the permission checks in proc gives me the Heebie > Jeebies. > > Andrew do you see merit in Aleksa's patch that I don't? Otherwise can > you remove it from your tree? I have done so.