linux-kernel - Re: kmemcheck caught read from freed memory (cfq_free_io

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Message-ID: <20080402073108.GL12774@kernel.dk>
Date:	Wed, 2 Apr 2008 09:31:08 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Pekka J Enberg <penberg@...helsinki.fi>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Vegard Nossum <vegard.nossum@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: kmemcheck caught read from freed memory (cfq_free_io_context)

On Wed, Apr 02 2008, Ingo Molnar wrote:
> 
> * Jens Axboe <jens.axboe@...cle.com> wrote:
> 
> > On Wed, Apr 02 2008, Pekka J Enberg wrote:
> > > On Wed, 2 Apr 2008, Jens Axboe wrote:
> > > > Good catch, I wonder why it didn't complain in my testing. I've added a
> > > > patch to fix that, please see it here:
> > > 
> > > You probably don't have kmemcheck in your kernel ;-)
> > 
> > Ehm no, you are right :)
> 
> ... and you can get kmemcheck by testing on x86.git/latest:
> 
>   http://people.redhat.com/mingo/x86.git/README
> 
> ;-)

Thanks Ingo, I'll give it a spin to verify this fix!

-- 
Jens Axboe

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