From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 14 Mar 2003 12:56:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 14 Mar 2003 12:56:20 -0500 Received: from quechua.inka.de ([193.197.184.2]:61084 "EHLO mail.inka.de") by vger.kernel.org with ESMTP id ; Fri, 14 Mar 2003 12:56:19 -0500 To: linux-kernel@vger.kernel.org Subject: Re: 2.5.63 accesses below %esp (was: Re: ntfs OOPS (2.5.63)) References: <200303122113.h2CLDSfR032057@pincoya.inf.utfsm.cl> Organization: private Linux site, southern Germany Date: Fri, 14 Mar 2003 19:01:39 +0100 From: Olaf Titz Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > code is designed to be easily decoded forward, noone executes code going > backwards. Finding out what starts at EIP is easy. I remember reading once in a magazine that there exists an undocumented/illegal instruction in the x86 which causes the IP to run backwards, similar to setting the D flag. Was an April 1st issue though ;-) Olaf