linux-kernel - Re: [RESEND][PATCH] x86: don't destroy %rbp on kernel-mode faults

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <874p7erh4t.fsf@basil.nowhere.org>
Date:	Fri, 27 Jun 2008 18:12:50 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Vegard Nossum <vegard.nossum@...il.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Pekka Enberg <penberg@...helsinki.fi>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RESEND][PATCH] x86: don't destroy %rbp on kernel-mode faults

Vegard Nossum <vegard.nossum@...il.com> writes:

> Hi,
>
> I sent this patch earlier, but it was never queued. It has been acked by
> Arjan and acked informally by Andi. I hope this can make it for 2.6.27.

Just to clarify the "informal ack" was (paraphrased): 

All the .S code was always designed to support dwarf2 unwinding and
not frame pointers and there are a lot more places that don't care
about frame pointers. So even if you fix it here it'll still break in
other places.

-Andi

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/