linux-kernel - Re: [PATCH v3 5/5] kselftest: vm: Add tests for no-inherit memory-deny-write-execute

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Message-ID: <ZOtLaQXDsdodZHUc@arm.com>
Date:   Sun, 27 Aug 2023 16:11:05 +0300
From:   Catalin Marinas <catalin.marinas@....com>
To:     Florent Revest <revest@...omium.org>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        akpm@...ux-foundation.org, anshuman.khandual@....com,
        joey.gouly@....com, mhocko@...e.com, keescook@...omium.org,
        david@...hat.com, peterx@...hat.com, izbyshev@...ras.ru,
        broonie@...nel.org, szabolcs.nagy@....com, kpsingh@...nel.org,
        gthelen@...gle.com, toiwoton@...il.com
Subject: Re: [PATCH v3 5/5] kselftest: vm: Add tests for no-inherit
 memory-deny-write-execute

On Tue, Jul 04, 2023 at 05:36:29PM +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
> 
> Signed-off-by: Florent Revest <revest@...omium.org>

Acked-by: Catalin Marinas <catalin.marinas@....com>