Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 2 Jan 2002 19:14:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 2 Jan 2002 19:13:07 -0500 Received: from dot.cygnus.com ([205.180.230.224]:11531 "HELO dot.cygnus.com") by vger.kernel.org with SMTP id ; Wed, 2 Jan 2002 19:08:05 -0500 Date: Wed, 2 Jan 2002 16:07:39 -0800 From: Richard Henderson To: Tom Rini Cc: jtv , Momchil Velikov , linux-kernel@vger.kernel.org, gcc@gcc.gnu.org, linuxppc-dev@lists.linuxppc.org, Franz Sirl , Paul Mackerras , Benjamin Herrenschmidt , Corey Minyard Subject: Re: [PATCH] C undefined behavior fix Message-ID: <20020102160739.A10659@redhat.com> Mail-Followup-To: Richard Henderson , Tom Rini , jtv , Momchil Velikov , linux-kernel@vger.kernel.org, gcc@gcc.gnu.org, linuxppc-dev@lists.linuxppc.org, Franz Sirl , Paul Mackerras , Benjamin Herrenschmidt , Corey Minyard In-Reply-To: <87g05py8qq.fsf@fadata.bg> <20020102190910.GG1803@cpe-24-221-152-185.az.sprintbbd.net> <20020102133632.C10362@redhat.com> <20020102220548.GL1803@cpe-24-221-152-185.az.sprintbbd.net> <20020102232320.A19933@xs4all.nl> <20020102231243.GO1803@cpe-24-221-152-185.az.sprintbbd.net> <20020103004514.B19933@xs4all.nl> <20020103000118.GR1803@cpe-24-221-152-185.az.sprintbbd.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20020103000118.GR1803@cpe-24-221-152-185.az.sprintbbd.net>; from trini@kernel.crashing.org on Wed, Jan 02, 2002 at 05:01:18PM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 02, 2002 at 05:01:18PM -0700, Tom Rini wrote: > Yes, but doesn't -ffreestanding imply that gcc _can't_ assume this is > the standard library... Ignore strcpy. Yes, that's what visibly causing a failure here, but the bug is in the funny pointer arithmetic. Leave that in there and the compiler _will_ bite your ass sooner or later. r~ - 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/