Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261451AbVDZKIv (ORCPT ); Tue, 26 Apr 2005 06:08:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261443AbVDZKIv (ORCPT ); Tue, 26 Apr 2005 06:08:51 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:28848 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S261466AbVDZKEW (ORCPT ); Tue, 26 Apr 2005 06:04:22 -0400 Date: Tue, 26 Apr 2005 11:04:12 +0100 From: Christoph Hellwig To: Andrew Morton Cc: Miklos Szeredi , hch@infradead.org, jamie@shareable.org, linuxram@us.ibm.com, 7eggert@gmx.de, bulb@ucw.cz, viro@parcelfarce.linux.theplanet.co.uk, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] private mounts Message-ID: <20050426100412.GA30762@infradead.org> Mail-Followup-To: Christoph Hellwig , Andrew Morton , Miklos Szeredi , jamie@shareable.org, linuxram@us.ibm.com, 7eggert@gmx.de, bulb@ucw.cz, viro@parcelfarce.linux.theplanet.co.uk, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org References: <3Xagd-5Wb-1@gated-at.bofh.it> <1114445923.4480.94.camel@localhost> <20050425191015.GC28294@mail.shareable.org> <20050426091921.GA29810@infradead.org> <20050426093628.GA30208@infradead.org> <20050426030010.63757c8c.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050426030010.63757c8c.akpm@osdl.org> User-Agent: Mutt/1.4.1i X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 604 Lines: 12 On Tue, Apr 26, 2005 at 03:00:10AM -0700, Andrew Morton wrote: > Not as thick as mine! Could someone please explain in small words what's > wrong with an suid mount helper? Nothing per-se. What makes it bad is the contect of a userland filesystem where the actual filesystem operations in the mounted filesystem happen in contect of a non-privilegued user. - 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/