Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753351AbaKCRSY (ORCPT ); Mon, 3 Nov 2014 12:18:24 -0500 Received: from mail-lb0-f177.google.com ([209.85.217.177]:53194 "EHLO mail-lb0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752509AbaKCRSV (ORCPT ); Mon, 3 Nov 2014 12:18:21 -0500 MIME-Version: 1.0 In-Reply-To: <20141103171515.GB7554@ubuntu-hedt> References: <1414013060-137148-1-git-send-email-seth.forshee@canonical.com> <20141103171515.GB7554@ubuntu-hedt> From: Andy Lutomirski Date: Mon, 3 Nov 2014 09:17:58 -0800 Message-ID: Subject: Re: [PATCH v5 0/4] fuse: Add support for mounts from pid/user namespaces 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 FS Devel Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 3, 2014 at 9:15 AM, Seth Forshee wrote: > 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? > [off-list to avoid further clutter] Eric's moving, I think, and will be mostly unavailable for a week or two. --Andy > Thanks, > Seth -- Andy Lutomirski AMA Capital Management, LLC -- 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/