linux-kernel - Re: [PATCH] gcc-plugins/stackleak: Avoid .head.text section

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Message-Id: <171166296859.3578759.529846502989874977.b4-ty@chromium.org>
Date: Thu, 28 Mar 2024 14:56:10 -0700
From: Kees Cook <keescook@...omium.org>
To: linux-hardening@...r.kernel.org,
	Ard Biesheuvel <ardb+git@...gle.com>
Cc: Kees Cook <keescook@...omium.org>,
	x86@...nel.org,
	linux-kernel@...r.kernel.org,
	kevinloughlin@...gle.com,
	thomas.lendacky@....com,
	Ard Biesheuvel <ardb@...nel.org>,
	kernel test robot <oliver.sang@...el.com>
Subject: Re: [PATCH] gcc-plugins/stackleak: Avoid .head.text section

On Thu, 28 Mar 2024 07:42:57 +0100, Ard Biesheuvel wrote:
> The .head.text section carries the startup code that runs with the MMU
> off or with a translation of memory that deviates from the ordinary one.
> So avoid instrumentation with the stackleak plugin, which already avoids
> .init.text and .noinstr.text entirely.
> 
> 

Applied to for-next/hardening, thanks!

[1/1] gcc-plugins/stackleak: Avoid .head.text section
      https://git.kernel.org/kees/c/4ac9a796ada0

Take care,

-- 
Kees Cook