From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763532AbXK2VvL (ORCPT ); Thu, 29 Nov 2007 16:51:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762589AbXK2Vu5 (ORCPT ); Thu, 29 Nov 2007 16:50:57 -0500 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:47831 "EHLO the-village.bc.nu" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1754024AbXK2Vu4 (ORCPT ); Thu, 29 Nov 2007 16:50:56 -0500 Date: Thu, 29 Nov 2007 21:45:27 +0000 From: Alan Cox To: Jon Masters Cc: Ray Lee , tvrtko.ursulin@sophos.com, Al Viro , Casey Schaufler , Christoph Hellwig , linux-kernel@vger.kernel.org, Valdis.Kletnieks@vt.edu Subject: Re: Out of tree module using LSM Message-ID: <20071129214527.1d62056c@the-village.bc.nu> In-Reply-To: <1196365551.6473.103.camel@perihelion> References: <20071128183040.GW8181@ftp.linux.org.uk> <20071129173601.34273083@the-village.bc.nu> <2c0942db0711291040j4ce48acagb753b64c4b8c1357@mail.gmail.com> <1196362612.6473.98.camel@perihelion> <2c0942db0711291111t16a4eb49h6b1e83ddf7bb4cf9@mail.gmail.com> <1196365551.6473.103.camel@perihelion> X-Mailer: Claws Mail 2.10.0 (GTK+ 2.10.14; i386-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Jargon File in all its glory. And if you still think you could look for > patterns, how about executable code that self-modifies in random ways > but when executed as a whole actually has the functionality of fetchmail > embedded within it? How would you guard against that? Thats a problem for whoever writes the ESR detection tool and to what level it works. The question for the kernel is how do we provide a mechanism to allow (to some extent at least) this kind of tool to run. Alan