Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030367AbVKPPS1 (ORCPT ); Wed, 16 Nov 2005 10:18:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030368AbVKPPS1 (ORCPT ); Wed, 16 Nov 2005 10:18:27 -0500 Received: from mail.fh-wedel.de ([213.39.232.198]:28839 "EHLO moskovskaya.fh-wedel.de") by vger.kernel.org with ESMTP id S1030367AbVKPPS0 (ORCPT ); Wed, 16 Nov 2005 10:18:26 -0500 Date: Wed, 16 Nov 2005 16:18:24 +0100 From: =?iso-8859-1?Q?J=F6rn?= Engel To: jmerkey Cc: Andi Kleen , Arjan van de Ven , alex14641@yahoo.com, linux-kernel@vger.kernel.org Subject: Re: [2.6 patch] i386: always use 4k stacks Message-ID: <20051116151824.GB24753@wohnheim.fh-wedel.de> References: <20051116005034.73421.qmail@web50210.mail.yahoo.com> <1132128212.2834.17.camel@laptopd505.fenrus.org> <20051116111812.4a1ea18a.grundig@teleline.es> <1132137638.2834.29.camel@laptopd505.fenrus.org> <20051116135116.GA24753@wohnheim.fh-wedel.de> <437B453E.8070905@utah-nac.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <437B453E.8070905@utah-nac.org> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 656 Lines: 21 On Wed, 16 November 2005 07:42:06 -0700, jmerkey wrote: > > > Map a blank ro page beneath the address range when stack memory is > mapped is trap on page faults to the page when folks go off the end of > th e stack. You forgot the part with the testcase that will trigger every single possible stack overflow. > Easy to find. J?rn -- Sometimes, asking the right question is already the answer. -- Unknown - 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/