From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-patches-return-92247-listarch-gdb-patches=sources.redhat.com@sourceware.org>
Received: (qmail 9949 invoked by alias); 18 Jun 2012 14:51:53 -0000
Received: (qmail 9763 invoked by uid 22791); 18 Jun 2012 14:51:50 -0000
X-SWARE-Spam-Status: No, hits=-2.9 required=5.0	tests=AWL,BAYES_00,KHOP_THREADED,TW_NX,T_RP_MATCHES_RCVD
X-Spam-Check-By: sourceware.org
Received: from sibelius.xs4all.nl (HELO glazunov.sibelius.xs4all.nl) (83.163.83.176)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 18 Jun 2012 14:51:37 +0000
Received: from glazunov.sibelius.xs4all.nl (kettenis@localhost [127.0.0.1])	by glazunov.sibelius.xs4all.nl (8.14.5/8.14.3) with ESMTP id q5IEpWOs023387;	Mon, 18 Jun 2012 16:51:32 +0200 (CEST)
Received: (from kettenis@localhost)	by glazunov.sibelius.xs4all.nl (8.14.5/8.14.3/Submit) id q5IEpUTo008021;	Mon, 18 Jun 2012 16:51:30 +0200 (CEST)
Date: Mon, 18 Jun 2012 14:51:00 -0000
Message-Id: <201206181451.q5IEpUTo008021@glazunov.sibelius.xs4all.nl>
From: Mark Kettenis <mark.kettenis@xs4all.nl>
To: jan.kratochvil@redhat.com
CC: gdb-patches@sourceware.org
In-reply-to: <20120618142055.GA8597@host2.jankratochvil.net> (message from Jan	Kratochvil on Mon, 18 Jun 2012 16:20:55 +0200)
Subject: Re: Possible future NX ON_STACk regression  Re: [patch 3/3] Use ON_STACK for i386/amd64 (gdb2495.exp regression)
References: <20120613155103.GC26214@host2.jankratochvil.net> <20120618080907.GA24971@host2.jankratochvil.net> <20120618142055.GA8597@host2.jankratochvil.net>
Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <gdb-patches.sourceware.org>
List-Subscribe: <mailto:gdb-patches-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/gdb-patches/>
List-Post: <mailto:gdb-patches@sourceware.org>
List-Help: <mailto:gdb-patches-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: gdb-patches-owner@sourceware.org
X-SW-Source: 2012-06/txt/msg00580.txt.bz2

> Date: Mon, 18 Jun 2012 16:20:55 +0200
> From: Jan Kratochvil <jan.kratochvil@redhat.com>
> 
> On Mon, 18 Jun 2012 10:09:07 +0200, Jan Kratochvil wrote:
> > In https://bugzilla.redhat.com/show_bug.cgi?id=832534 Nathan Sidwell reports
> > that inferior calls segfault with inferior non-executable stack and Fedora GDB
> > already containing this patch.
> 
> I have heuristically found the problem affects only one Fedora kernel
> version/arch:
> 	https://bugzilla.redhat.com/show_bug.cgi?id=832534#c9
> 
> So the GDB patch should be compatible with Linux kernels in general I hope.
> Feel free to run the testcase on your kernel/CPU:
> 	http://sourceware.org/cgi-bin/cvsweb.cgi/~checkout~/tests/ptrace-tests/tests/ret-to-nxpage.c?cvsroot=systemtap
> 	gcc -o ret-to-nxpage ret-to-nxpage.c -Wall -g; ./ret-to-nxpage; echo $?
> 	0 == PASS

OK, go for it then.