From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephan =?ISO-8859-1?Q?M=FCller?= <smueller@chronox.de>
Subject: Re: [PATCH 0/2] fix authenc() kernel crash
Date: Sun, 24 Sep 2017 08:28:31 +0200
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Cc: herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org
To: Stephan =?ISO-8859-1?Q?M=FCller?= <smueller@chronox.de>
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Am Sonntag, 24. September 2017, 08:22:54 CEST schrieb Stephan Müller:

Hi Herbert,

(private)

> Hi Herbert,
> 
> The two patches together fix a kernel crash that can be triggered via
> AF_ALG when using authenc() with zero plaintext.
> 
> The changes are also tested to verify that the hashing on null data
> is still supported.

You can test / verify the patch with the HEAD code of libkcapi found in [1].

Please execute:

./configure --enable-kcapi-test
make
bin/kcapi -h -x 2 -c "authenc(hmac(sha256),cbc(aes))" -d 2

Note, the last command may take a couple of seconds.

[1] https://github.com/smuellerDD/libkcapi


Ciao
Stephan