Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936507AbXHNFNE (ORCPT ); Tue, 14 Aug 2007 01:13:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933192AbXHNFMf (ORCPT ); Tue, 14 Aug 2007 01:12:35 -0400 Received: from il.qumranet.com ([82.166.9.18]:45467 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752245AbXHNFMd (ORCPT ); Tue, 14 Aug 2007 01:12:33 -0400 Message-ID: <46C139BD.1030607@argo.co.il> Date: Tue, 14 Aug 2007 08:12:29 +0300 From: Avi Kivity User-Agent: Thunderbird 2.0.0.5 (X11/20070719) MIME-Version: 1.0 To: Alan Cox CC: hinoue@ccsl.carleton.ca, linux-kernel@vger.kernel.org Subject: Re: System call interposition/unprotecting the table References: <20070813180535.vo36rcevi80s0c4c@www.ccsl.carleton.ca> <20070814000956.7c8929dd@the-village.bc.nu> In-Reply-To: <20070814000956.7c8929dd@the-village.bc.nu> X-Enigmail-Version: 0.95.3 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (firebolt.argo.co.il [0.0.0.0]); Tue, 14 Aug 2007 08:12:29 +0300 (IDT) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 558 Lines: 17 Alan Cox wrote: > This is to protect it from being changed by an attacker or someone trying > to do strange and bogus things to the kernel. > Someone who apparently hasn't heard of vmap(), etc. It's a debug aid at best. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. - 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/