From: Ingo Molnar <mingo@elte.hu>
To: Andi Kleen <ak@suse.de>
Cc: Christoph Hellwig <hch@infradead.org>,
Arjan van de Ven <arjan@infradead.org>,
akpm@osdl.org, torvalds@osdl.org, linux-kernel@vger.kernel.org,
drepper@redhat.com
Subject: Re: [PROPOSAL/PATCH] Remove PT_GNU_STACK support before 2.6.11
Date: Sun, 6 Feb 2005 15:08:02 +0100 [thread overview]
Message-ID: <20050206140802.GA6323@elte.hu> (raw)
In-Reply-To: <20050206134640.GB30476@wotan.suse.de>
* Andi Kleen <ak@suse.de> wrote:
> > RWE. But if it triggers it shows up immediately so it's not like you
> > have no sign that something wrong is going on. Only grub-install
> > triggers it and no boot/install kernel i know of defaults to
> > PAE-enabled, that's what caused grub-install being used in an NX
> > scenario so infrequently.)
> >
> > anyway, this particular flamewar might have made more sense last Summer.
>
> Last summer nobody did change the 32bit ABI on x86-64.
>
> I only started it because the bug reports are appearing now and it's
> clear now that we have a problem.
the vanilla 2.6.10 x64 kernel, using 32-bit fedora userland boots fine
here, and gives a noexec stack:
$ ./test-stack
Segmentation fault
$
$ uname -a
Linux saturn 2.6.10 #1 Sun Feb 6 15:52:44 CET 2005 x86_64 x86_64 x86_64 GNU/Linux
$
$ readelf -l test-stack | grep STA
GNU_STACK 0x000000 0x00000000 0x00000000 0x00000 0x00000 RW 0x4
Ingo
next prev parent reply other threads:[~2005-02-06 14:08 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-06 11:36 [PROPOSAL/PATCH] Remove PT_GNU_STACK support before 2.6.11 Andi Kleen
2005-02-06 11:47 ` Arjan van de Ven
2005-02-06 12:02 ` Ingo Molnar
2005-02-06 12:25 ` Ingo Molnar
2005-02-06 12:36 ` Andi Kleen
2005-02-06 12:45 ` Ingo Molnar
2005-02-06 12:50 ` Andi Kleen
2005-02-06 12:59 ` Arjan van de Ven
2005-02-06 13:01 ` Andi Kleen
2005-02-06 13:04 ` Arjan van de Ven
2005-02-06 13:09 ` Andi Kleen
2005-02-06 13:31 ` Ingo Molnar
2005-02-06 13:43 ` Andi Kleen
2005-02-06 13:06 ` Christoph Hellwig
2005-02-06 13:11 ` Andi Kleen
2005-02-06 13:32 ` Ingo Molnar
2005-02-06 13:46 ` Andi Kleen
2005-02-06 14:08 ` Ingo Molnar [this message]
2005-02-06 14:22 ` Ingo Molnar
2005-02-06 14:29 ` Andi Kleen
2005-02-06 17:08 ` Linus Torvalds
2005-02-06 17:13 ` Arjan van de Ven
2005-02-06 17:31 ` Linus Torvalds
2005-02-06 17:39 ` Arjan van de Ven
2005-02-06 18:04 ` Linus Torvalds
2005-02-06 18:08 ` Arjan van de Ven
2005-02-06 17:56 ` Andi Kleen
2005-02-06 12:33 ` Andi Kleen
2005-02-06 12:40 ` Arjan van de Ven
2005-02-06 12:48 ` Andi Kleen
2005-02-06 15:54 ` Andreas Schwab
2005-02-06 17:05 ` Linus Torvalds
2005-02-06 17:58 ` Andi Kleen
2005-02-06 12:11 ` Paweł Sikora
[not found] ` <200502061303.12377.pluto@pld-linux.org>
[not found] ` <20050206124701.GD30109@wotan.suse.de>
2005-02-06 18:07 ` Paweł Sikora
2005-02-06 18:38 ` Andi Kleen
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