Re: [PATCH] crypto: testmgr - add guard to dst buffer for ahash_export

From	Herbert Xu <herbert@gondor.apana.org.au>
Newsgroups	linux.kernel
Subject	Re: [PATCH] crypto: testmgr - add guard to dst buffer for ahash_export
Date	2016-10-02 16:40 +0200
Message-ID	<snQ5P-83S-9@gated-at.bofh.it> (permalink)
References	<smobD-7Vs-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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@redhat.com>
> Cc: Herbert Xu <herbert@gondor.apana.org.au>
> Cc: Marcelo Cerri <marcelo.cerri@canonical.com>

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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[PATCH] crypto: testmgr - add guard to dst buffer for ahash_export Jan Stancek <jstancek@redhat.com> - 2016-09-28 16:40 +0200
  Re: [PATCH] crypto: testmgr - add guard to dst buffer for  ahash_export Herbert Xu <herbert@gondor.apana.org.au> - 2016-10-02 16:40 +0200

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