Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755175AbYAHV6j (ORCPT ); Tue, 8 Jan 2008 16:58:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752532AbYAHV6E (ORCPT ); Tue, 8 Jan 2008 16:58:04 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:2802 "EHLO spitz.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752161AbYAHV57 (ORCPT ); Tue, 8 Jan 2008 16:57:59 -0500 Date: Tue, 8 Jan 2008 21:47:22 +0000 From: Pavel Machek To: Miklos Szeredi Cc: akpm@linux-foundation.org, hch@infradead.org, serue@us.ibm.com, viro@ftp.linux.org.uk, ebiederm@xmission.com, kzak@redhat.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, containers@lists.osdl.org, util-linux-ng@vger.kernel.org Subject: Re: [patch 1/9] unprivileged mounts: add user mounts to the kernel Message-ID: <20080108214721.GF5050@ucw.cz> References: <20080108113502.184459371@szeredi.hu> <20080108113619.213519920@szeredi.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080108113619.213519920@szeredi.hu> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 872 Lines: 24 On Tue 2008-01-08 12:35:03, Miklos Szeredi wrote: > From: Miklos Szeredi > > This patchset adds support for keeping mount ownership information in the > kernel, and allow unprivileged mount(2) and umount(2) in certain cases. > > The mount owner has the following privileges: > > - unmount the owned mount > - create a submount under the owned mount - create traps for updatedb, etc? Is there Doc* file somewhere describing dangers of allowing this? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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/