linux-hardening - Re: [PATCH] crypto: arm/crc32 - add kCFI annotations to asm routines

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Message-ID: <ZnVyqPEBmHXkMgi9@gondor.apana.org.au>
Date: Fri, 21 Jun 2024 22:31:36 +1000
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Ard Biesheuvel <ardb+git@...gle.com>
Cc: linux-crypto@...r.kernel.org, linux-hardening@...r.kernel.org,
	Ard Biesheuvel <ardb@...nel.org>, Kees Cook <keescook@...omium.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>
> ---
>  arch/arm/crypto/crc32-ce-core.S | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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