linux-kernel - Re: kmemcheck detected possible information leak to userspace?

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Message-ID: <84144f020807010508o1332fab8rfd6bd050a6e56eb9@mail.gmail.com>
Date:	Tue, 1 Jul 2008 15:08:09 +0300
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Andi Kleen" <andi@...stfloor.org>
Cc:	"Vegard Nossum" <vegard.nossum@...il.com>,
	"Evgeniy Polyakov" <johnpol@....mipt.ru>, netdev@...r.kernel.org,
	"Ingo Molnar" <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: kmemcheck detected possible information leak to userspace?

Hi Andi,

"Vegard Nossum" <vegard.nossum@...il.com> writes:
>> But there is one thing I forgot: Is this memory initialized by DMA? If
>> so, the warning is bogus and I will go hide in shame.

On Tue, Jul 1, 2008 at 2:47 PM, Andi Kleen <andi@...stfloor.org> wrote:
> Yes it is.
>
> [btw that was something I noted during the initial review and was then
> ridiculed for]

Yes, you pointed that out but we sure as hell didn't ridicule you for
it. I even explicitly said that we're probably missing kmemcheck
annotations from other similar places as well (not just networking).
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