linux-hardening - Re: [PATCH v2] crypto: chacha20poly1305 - Annotate struct chachapoly_ctx with __counted

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Message-ID: <ZsBMOjw4LosxwH9y@gondor.apana.org.au>
Date: Sat, 17 Aug 2024 15:07:38 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Thorsten Blum <thorsten.blum@...lux.com>
Cc: davem@...emloft.net, kees@...nel.org, gustavoars@...nel.org,
	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2] crypto: chacha20poly1305 - Annotate struct
 chachapoly_ctx with __counted_by()

On Tue, Aug 06, 2024 at 12:11:30AM +0200, Thorsten Blum wrote:
> Add the __counted_by compiler attribute to the flexible array member
> salt to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and
> CONFIG_FORTIFY_SOURCE.
> 
> Reviewed-by: Kees Cook <kees@...nel.org>
> Signed-off-by: Thorsten Blum <thorsten.blum@...lux.com>
> ---
> Changes in v2:
> - Drop using struct_size_t() as suggested by Eric Biggers and Kees Cook
> - Link to v1: https://lore.kernel.org/linux-kernel/20240805175237.63098-2-thorsten.blum@toblux.com/
> ---
>  crypto/chacha20poly1305.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

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