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From: "Stephan Müller" <smueller@chronox.de>
To: "Stephan Müller" <smueller@chronox.de>
Cc: herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org
Subject: Re: [PATCH 0/2] fix authenc() kernel crash
Date: Sun, 24 Sep 2017 08:28:31 +0200	[thread overview]
Message-ID: <5715632.7er1IYYKWG@positron.chronox.de> (raw)
In-Reply-To: <3874163.dZU00zCVt8@positron.chronox.de>

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

      parent reply	other threads:[~2017-09-24  6:28 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-24  6:22 [PATCH 0/2] fix authenc() kernel crash Stephan Müller
2017-09-24  6:24 ` [PATCH 1/2] crypto: skcipher - noop for enc/dec with NULL data Stephan Müller
2017-10-07  2:46   ` Herbert Xu
2017-10-07  2:49     ` Stephan Müller
2017-10-07  2:51       ` Herbert Xu
2017-10-07  2:53         ` Stephan Müller
2017-10-07  3:07           ` Herbert Xu
2017-10-07  3:21             ` Stephan Müller
2017-10-07  3:29               ` Herbert Xu
2017-10-07 12:56                 ` Stephan Müller
2017-10-09 14:19                   ` Herbert Xu
2017-10-09 15:13                     ` Stephan Müller
2017-10-09 15:30                       ` [PATCH v2] crypto: shash - Fix zero-length shash ahash digest crash Herbert Xu
2017-10-09 15:52                         ` Stephan Müller
2017-09-24  6:25 ` [PATCH 2/2] crypto: shash - no kmap of zero SG Stephan Müller
2017-10-07  2:44   ` Herbert Xu
2017-09-24  6:28 ` Stephan Müller [this message]

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