Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267889AbUIFMoE (ORCPT ); Mon, 6 Sep 2004 08:44:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267920AbUIFMoE (ORCPT ); Mon, 6 Sep 2004 08:44:04 -0400 Received: from MAIL.13thfloor.at ([212.16.62.51]:41164 "EHLO mail.13thfloor.at") by vger.kernel.org with ESMTP id S267889AbUIFMn6 (ORCPT ); Mon, 6 Sep 2004 08:43:58 -0400 Date: Mon, 6 Sep 2004 14:43:57 +0200 From: Herbert Poetzl To: Frank van Maarseveen Cc: Tonnerre , Alan Cox , Linus Torvalds , Jamie Lokier , Horst von Brand , Adrian Bunk , Hans Reiser , viro@parcelfarce.linux.theplanet.co.uk, Christoph Hellwig , linux-fsdevel@vger.kernel.org, Linux Kernel Mailing List , Alexander Lyamin aka FLX , ReiserFS List Subject: Re: The argument for fs assistance in handling archives (was: silent semantic changes with reiser4) Message-ID: <20040906124357.GB27133@MAIL.13thfloor.at> Mail-Followup-To: Frank van Maarseveen , Tonnerre , Alan Cox , Linus Torvalds , Jamie Lokier , Horst von Brand , Adrian Bunk , Hans Reiser , viro@parcelfarce.linux.theplanet.co.uk, Christoph Hellwig , linux-fsdevel@vger.kernel.org, Linux Kernel Mailing List , Alexander Lyamin aka FLX , ReiserFS List References: <20040826150202.GE5733@mail.shareable.org> <200408282314.i7SNErYv003270@localhost.localdomain> <20040901200806.GC31934@mail.shareable.org> <1094118362.4847.23.camel@localhost.localdomain> <20040902203854.GA4801@janus> <20040906075603.GB28697@thundrix.ch> <20040906080845.GA31483@janus> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040906080845.GA31483@janus> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1135 Lines: 32 On Mon, Sep 06, 2004 at 10:08:45AM +0200, Frank van Maarseveen wrote: > On Mon, Sep 06, 2004 at 09:56:03AM +0200, Tonnerre wrote: > > > > $ cat fs_header owner_root flags_with_suid evil_program > evil.iso > > $ ls -l evil.iso/evil_program > > It should of course be equivalent to a user mount: nodev nosuid etc. hmm, sounds reasonable, but what if root accesses it? (or somebody with the 'right' capability) - it might be strange if even root is not able to open device nodes or execute files from an archive - it might lead to interesting situations if the archive is opened by root, but accessed by an user (thinking of caches and such) best, Herbert > -- > Frank > - > To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.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/