linux-kernel - Re: next-20151231 - aes crypto algorithm went missing?

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Message-ID: <135614.1451973738@turing-police.cc.vt.edu>
Date:	Tue, 05 Jan 2016 01:02:18 -0500
From:	Valdis.Kletnieks@...edu
To:	Milan Broz <gmazyland@...il.com>
Cc:	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: next-20151231 - aes crypto algorithm went missing?

On Sun, 03 Jan 2016 11:20:03 +0100, Milan Broz said:
> On 01/03/2016 06:34 AM, Valdis Kletnieks wrote:
> > So booting into a next-20151222 kernel, I can mount an external drive
> > that uses cryptLuks.  I try -1231, and I get this failure:
> >
> > Failed to setup dm-crypt key mapping for device /dev/sdb2.
> > Check that kernel supports aes-cbc-essiv:sha256 cipher (check syslog for more info).
> >
> > Tracked it down to this difference in /proc/crypto between the 12/22 and 12/31:
>
> ...
> > This ringing any bells, before I start the New Year with a bisect? :)
>
> Perhaps see the discussion in thread
> [PATCH v2] crypto: algif_skcipher - Require setkey before accept(2)
>
> Could you try to revert this patch?
> http://git.kernel.org/cgit/linux/kernel/git/next/linux-next-history.git/commit/crypto?id=9f47e11b9e3169ff4cb35b3cdac0e0f7c2fcfe27

Confirming that this patch reverts cleanly for me, and makes cryptsetup
happy again on next-20151231.

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