Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752971AbaKCRPZ (ORCPT ); Mon, 3 Nov 2014 12:15:25 -0500 Received: from mail-ob0-f173.google.com ([209.85.214.173]:60155 "EHLO mail-ob0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752464AbaKCRPT (ORCPT ); Mon, 3 Nov 2014 12:15:19 -0500 Date: Mon, 3 Nov 2014 11:15:15 -0600 From: Seth Forshee To: Miklos Szeredi , "Eric W. Biederman" Cc: "Serge H. Hallyn" , Andy Lutomirski , Michael j Theall , fuse-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v5 0/4] fuse: Add support for mounts from pid/user namespaces Message-ID: <20141103171515.GB7554@ubuntu-hedt> Mail-Followup-To: Miklos Szeredi , "Eric W. Biederman" , "Serge H. Hallyn" , Andy Lutomirski , Michael j Theall , fuse-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org References: <1414013060-137148-1-git-send-email-seth.forshee@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1414013060-137148-1-git-send-email-seth.forshee@canonical.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 22, 2014 at 04:24:16PM -0500, Seth Forshee wrote: > Here's another update to the patches to enable userns mounts in fuse. > The changes this time around center on xattrs and allow_other. I'm > considering the following patch to be a prerequisite for this series: > > http://lkml.kernel.org/g/252a4d87d99fc2b5fe4411c838f65b312c4e13cd.1413330857.git.luto@amacapital.net > > With this patch I'm dropping the xattr restrictions from the v4 patches. > This leaves the situation with xattrs unchanged in init_user_ns. A fuse > userns mount could still supply xattrs which the user would normally be > unable to set, but since the mount will be inaccessible outside of that > userns or its descendants those xattrs will never be seen by the host. > > I'm also in agreement with Andy that some decision regarding this patch > should be made before merging the fuse userns support as well: > > http://lkml.kernel.org/g/2686c32f00b14148379e8cfee9c028c794d4aa1a.1407974494.git.luto@amacapital.net > > Changes since v4: > - Drop patch to restrict xattrs > - Update allow_other to restrict based on userns of current rather than > uid/gid Miklos, Eric - Any feedback from either of you on these patches? Thanks, Seth -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/