linux-kernel - Re: [PATCH] crypto: testmgr - add guard to dst buffer for ahash

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Message-ID: <20161002143711.GA18268@gondor.apana.org.au>
Date:   Sun, 2 Oct 2016 22:37:11 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Jan Stancek <jstancek@...hat.com>
Cc:     linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        marcelo.cerri@...onical.com
Subject: Re: [PATCH] crypto: testmgr - add guard to dst buffer for
 ahash_export

On Wed, Sep 28, 2016 at 04:38:37PM +0200, Jan Stancek wrote:
> Add a guard to 'state' buffer and warn if its consistency after
> call to crypto_ahash_export() changes, so that any write that
> goes beyond advertised statesize (and thus causing potential
> memory corruption [1]) is more visible.
> 
> [1] https://marc.info/?l=linux-crypto-vger&m=147467656516085
> 
> Signed-off-by: Jan Stancek <jstancek@...hat.com>
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Cc: Marcelo Cerri <marcelo.cerri@...onical.com>

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