linux-kernel - Re: [PATCH] loadpin: Prevent SECURITY_LOADPIN

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Message-Id: <171572713190.2793228.3146950773342970247.b4-ty@chromium.org>
Date: Tue, 14 May 2024 15:52:13 -0700
From: Kees Cook <keescook@...omium.org>
To: Paul Moore <paul@...l-moore.com>,
	James Morris <jmorris@...ei.org>,
	"Serge E . Hallyn" <serge@...lyn.com>,
	Stephen Boyd <swboyd@...omium.org>
Cc: Kees Cook <keescook@...omium.org>,
	linux-kernel@...r.kernel.org,
	patches@...ts.linux.dev,
	linux-security-module@...r.kernel.org,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Douglas Anderson <dianders@...omium.org>
Subject: Re: [PATCH] loadpin: Prevent SECURITY_LOADPIN_ENFORCE=y without module decompression

On Tue, 14 May 2024 15:48:38 -0700, Stephen Boyd wrote:
> If modules are built compressed, and LoadPin is enforcing by default, we
> must have in-kernel module decompression enabled (MODULE_DECOMPRESS).
> Modules will fail to load without decompression built into the kernel
> because they'll be blocked by LoadPin. Add a depends on clause to
> prevent this combination.
> 
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] loadpin: Prevent SECURITY_LOADPIN_ENFORCE=y without module decompression
      https://git.kernel.org/kees/c/bc9316c14441

Take care,

-- 
Kees Cook