linux-kernel - Re: [PATCH v2] module: Harden STRICT_MODULE

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Message-ID: <202004031325.45B4E401@keescook>
Date:   Fri, 3 Apr 2020 13:31:18 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     jeyu@...nel.org, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Miroslav Benes <mbenes@...e.cz>
Subject: Re: [PATCH v2] module: Harden STRICT_MODULE_RWX

On Fri, Apr 03, 2020 at 07:13:03PM +0200, Peter Zijlstra wrote:
> We're very close to enforcing W^X memory, refuse to load modules that
> violate this principle per construction.

Yikes. I never even considered modules could be built WX :( Yes please,
let's do this. :)

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

-- 
Kees Cook