linux-kernel - Re: [PATCH] robust futex thread exit race

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Message-ID: <20070930160601.GA31506@elte.hu>
Date:	Sun, 30 Sep 2007 18:06:01 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Martin Schwidefsky <schwidefsky@...ibm.com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	Ulrich Drepper <drepper@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] robust futex thread exit race


* Ingo Molnar <mingo@...e.hu> wrote:

> * Martin Schwidefsky <schwidefsky@...ibm.com> wrote:
> 
> > Hi Ingo,
> > I finally found the bug that causes tst-robust8 from the glibc to fail
> > on s390x. Turned out to be a common code problem with the processing of
> > the robust futex list. The patch below fixes the bug for me.
> 
> good catch! A quick preliminary review of your patch indicates it's 
> fine - and it might be v2.6.23 material.

there's a symmetric bug in kernel/compat_futex.c too.

	Ingo
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