From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Lutomirski Subject: Re: [PATCH review 12/13] userns: Remove implicit MNT_NODEV fragility. Date: Mon, 20 Jun 2016 15:58:41 -0700 Message-ID: References: <87fus77pns.fsf@x220.int.ebiederm.org> <20160620172130.15712-1-ebiederm@xmission.com> <20160620172130.15712-12-ebiederm@xmission.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160620172130.15712-12-ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: "Eric W. Biederman" Cc: Miklos Szeredi , Linux Containers , James Bottomley , Seth Forshee , Linux FS Devel , Djalal Harouni List-Id: containers.vger.kernel.org On Mon, Jun 20, 2016 at 10:21 AM, Eric W. Biederman wrote: > Replace the implict setting of MNT_NODEV on mounts that happen with > just user namespace permissions with an implicit setting of SB_I_NODEV > in s_iflags. The visibility of the implicit MNT_NODEV has caused > problems in the past. I like this! From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vk0-f52.google.com ([209.85.213.52]:34828 "EHLO mail-vk0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752237AbcFTW74 (ORCPT ); Mon, 20 Jun 2016 18:59:56 -0400 Received: by mail-vk0-f52.google.com with SMTP id j2so214828758vkg.2 for ; Mon, 20 Jun 2016 15:59:01 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20160620172130.15712-12-ebiederm@xmission.com> References: <87fus77pns.fsf@x220.int.ebiederm.org> <20160620172130.15712-1-ebiederm@xmission.com> <20160620172130.15712-12-ebiederm@xmission.com> From: Andy Lutomirski Date: Mon, 20 Jun 2016 15:58:41 -0700 Message-ID: Subject: Re: [PATCH review 12/13] userns: Remove implicit MNT_NODEV fragility. To: "Eric W. Biederman" Cc: Linux Containers , Linux FS Devel , Miklos Szeredi , James Bottomley , Djalal Harouni , Seth Forshee , "Serge E. Hallyn" Content-Type: text/plain; charset=UTF-8 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Mon, Jun 20, 2016 at 10:21 AM, Eric W. Biederman wrote: > Replace the implict setting of MNT_NODEV on mounts that happen with > just user namespace permissions with an implicit setting of SB_I_NODEV > in s_iflags. The visibility of the implicit MNT_NODEV has caused > problems in the past. I like this!