linux-hardening - Re: [PATCH v2] x86/mm: Refuse W^X violations

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Date:   Mon, 29 Aug 2022 12:08:56 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Dave Hansen <dave.hansen@...el.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        Sean Christopherson <seanjc@...gle.com>
Subject: Re: [PATCH v2] x86/mm: Refuse W^X violations

On Mon, Aug 29, 2022 at 12:18:03PM +0200, Peter Zijlstra wrote:
> 
> x86 has STRICT_*_RWX, but not even a warning when someone violates it.
> 
> Add this warning and fully refuse the transition.
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>

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

-- 
Kees Cook