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Message-ID: <CABVgOSn+ApgyT0imi9cNLz2ojRoSE08H6Z8iYNhxXiKmG=FGzg@mail.gmail.com>
Date: Thu, 13 Jun 2024 12:41:43 +0800
From: David Gow <davidgow@...gle.com>
To: Kees Cook <kees@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>, Vitor Massaru Iha <vitor@...saru.org>, 
	Ivan Orlov <ivan.orlov0322@...il.com>, Brendan Higgins <brendan.higgins@...ux.dev>, 
	Rae Moar <rmoar@...gle.com>, "Gustavo A. R. Silva" <gustavoars@...nel.org>, linux-kernel@...r.kernel.org, 
	linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com, 
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH v3 0/2] usercopy: Convert test_user_copy to KUnit test

On Thu, 13 Jun 2024 at 03:59, Kees Cook <kees@...nel.org> wrote:
>
> Hi,
>
> This builds on the proposal[1] from Mark and lets me convert the
> existing usercopy selftest to KUnit. Besides adding this basic test to
> the KUnit collection, it also opens the door for execve testing (which
> depends on having a functional current->mm), and should provide the
> basic infrastructure for adding Mark's much more complete usercopy tests.
>
>  v3:
>   - use MEMEQ KUnit helper (David)
>   - exclude pathological address confusion test for systems with separate
>     address spaces, noticed by David
>   - add KUnit-conditional exports for alloc_mm() and arch_pick_mmap_layout()
>     noticed by 0day
>  v2: https://lore.kernel.org/lkml/20240610213055.it.075-kees@kernel.org/
>  v1: https://lore.kernel.org/lkml/20240519190422.work.715-kees@kernel.org/
>
> -Kees
>
> [1] https://lore.kernel.org/lkml/20230321122514.1743889-2-mark.rutland@arm.com/

Thanks! This looks good to me (and passes everything here). Unless
there's a compelling reason not to, I think we can take this via the
KUnit tree.

Cheers,
-- David

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