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Message-ID: <202308281145.4006BC6@keescook>
Date:   Mon, 28 Aug 2023 11:45:42 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Florent Revest <revest@...omium.org>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        akpm@...ux-foundation.org, catalin.marinas@....com,
        anshuman.khandual@....com, joey.gouly@....com, mhocko@...e.com,
        david@...hat.com, peterx@...hat.com, izbyshev@...ras.ru,
        broonie@...nel.org, szabolcs.nagy@....com, kpsingh@...nel.org,
        gthelen@...gle.com, toiwoton@...il.com, ayush.jain3@....com
Subject: Re: [PATCH v4 6/6] kselftest: vm: Add tests for no-inherit
 memory-deny-write-execute

On Mon, Aug 28, 2023 at 05:08:58PM +0200, Florent Revest wrote:
> Add some tests to cover the new PR_MDWE_NO_INHERIT flag of the
> PR_SET_MDWE prctl.
> 
> Check that:
> - it can't be set without PR_SET_MDWE
> - MDWE flags can't be unset
> - when set, PR_SET_MDWE doesn't propagate to children
> 
> Acked-by: Catalin Marinas <catalin.marinas@....com>
> Signed-off-by: Florent Revest <revest@...omium.org>

Looks good!

Reviewed-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook

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