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List:       drbd-dev
Subject:    Re: [Drbd-dev] [PATCH v6 10/18] x86/power/64: Remove VLA usage
From:       Kees Cook <keescook () chromium ! org>
Date:       2018-07-25 18:01:47
Message-ID: CAGXu5j+NPCc2hq5x7JUwgKYvY6zKN28YdtHbHVapnpgC3GwCsg () mail ! gmail ! com
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On Wed, Jul 25, 2018 at 4:32 AM, Rafael J. Wysocki <rafael@kernel.org> wrote:
> On Tue, Jul 24, 2018 at 6:49 PM, Kees Cook <keescook@chromium.org> wrote:
>> In the quest to remove all stack VLA usage from the kernel[1], this
>> removes the discouraged use of AHASH_REQUEST_ON_STACK by switching to
>> shash directly and allocating the descriptor in heap memory (which should
>> be fine: the tfm has already been allocated there too).
>>
>> [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com
>>
>> Signed-off-by: Kees Cook <keescook@chromium.org>
>> Acked-by: Pavel Machek <pavel@ucw.cz>
>
> I think I can queue this up if there are no objections from others.
>
> Do you want me to do that?

Sure thing. It looks like the other stand-alone patches like this one
are getting taken into the non-crypto trees, so that's fine.

Thanks!

-Kees

-- 
Kees Cook
Pixel Security
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