linux-kernel - Re: crypto: ablk_decrypt causes BUG in scatterwalk

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Message-ID: <20160112131644.GA906@gondor.apana.org.au>
Date:	Tue, 12 Jan 2016 21:16:44 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Dmitry Vyukov <dvyukov@...gle.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	linux-crypto@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	syzkaller <syzkaller@...glegroups.com>,
	Kostya Serebryany <kcc@...gle.com>,
	Alexander Potapenko <glider@...gle.com>,
	Sasha Levin <sasha.levin@...cle.com>,
	Eric Dumazet <edumazet@...gle.com>
Subject: Re: crypto: ablk_decrypt causes BUG in scatterwalk

On Tue, Jan 12, 2016 at 10:27:44AM +0100, Dmitry Vyukov wrote:
> Hello,
> 
> The following program cause BUG in scatterwalk:

Weird, I can't reproduce the crash.  Can you perhaps convert this to
a non-racy reproduction, possibly by using strace to find the order
of execution that leads to the crash?

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