linux-kernel - Re: [PATCH] sched: fix fork() error path to not crash.

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Message-ID: <1340700008.21991.35.camel@twins>
Date:	Tue, 26 Jun 2012 10:40:08 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Salman Qazi <sqazi@...gle.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sched: fix fork() error path to not crash.

On Mon, 2012-06-25 at 18:18 -0700, Salman Qazi wrote:
> In dup_task_struct, if arch_dup_task_struct fails, the clean up
> code fails to clean up correctly.  That's because the clean up
> code depends on unininitalized ti->task pointer.  We fix this
> by making sure that the task and thread_info know about each other
> before we attempt to take the error path.
> 
> Signed-off-by: Salman Qazi <sqazi@...gle.com>

Cute, however did you find that?
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