linux-kernel - Re: [PATCH] crypto: wp512: disable kmsan checks in wp512_process

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Message-ID: <Y68AV8f2cyyYcrLe@gondor.apana.org.au>
Date:   Fri, 30 Dec 2022 23:14:31 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Arnd Bergmann <arnd@...db.de>, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: wp512: disable kmsan checks in
 wp512_process_buffer()

On Thu, Dec 15, 2022 at 05:29:38PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The memory sanitizer causes excessive register spills in this function:
> 
> crypto/wp512.c:782:13: error: stack frame size (2104) exceeds limit (2048) in 'wp512_process_buffer' [-Werror,-Wframe-larger-than]
> 
> Assume that this one is safe, and mark it as needing no checks to
> get the stack usage back down to the normal level.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  crypto/wp512.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/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt