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Message-ID: <202406100945.599B5267@keescook>
Date: Mon, 10 Jun 2024 09:45:12 -0700
From: Kees Cook <kees@...nel.org>
To: Ard Biesheuvel <ardb+git@...gle.com>
Cc: linux-crypto@...r.kernel.org, linux-hardening@...r.kernel.org,
	herbert@...dor.apana.org.au, Ard Biesheuvel <ardb@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH] crypto: arm/crc32 - add kCFI annotations to asm routines

On Mon, Jun 10, 2024 at 05:26:39PM +0200, Ard Biesheuvel wrote:
> From: Ard Biesheuvel <ardb@...nel.org>
> 
> The crc32/crc32c implementations using the scalar CRC32 instructions are
> accessed via indirect calls, and so they must be annotated with type ids
> in order to execute correctly when kCFI is enabled.
> 
> Cc: Kees Cook <keescook@...omium.org>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Signed-off-by: Ard Biesheuvel <ardb@...nel.org>

Reviewed-by: Kees Cook <kees@...nel.org>

-- 
Kees Cook

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