linux-kernel - Re: [PATCH] crypto: sun4i-ss: add missing statesize

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Message-ID: <20151106045639.GA14722@gondor.apana.org.au>
Date:	Fri, 6 Nov 2015 12:56:39 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	LABBE Corentin <clabbe.montjoie@...il.com>, davem@...emloft.net,
	wens@...e.org, linux-crypto@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-sunxi@...glegroups.com, stable@...r.kernel.org
Subject: Re: [PATCH] crypto: sun4i-ss: add missing statesize

On Thu, Nov 05, 2015 at 08:07:19AM -0800, Maxime Ripard wrote:
> 
> On Thu, Nov 05, 2015 at 08:48:57AM +0100, LABBE Corentin wrote:
> > sun4i-ss implementaton of md5/sha1 is via ahash algorithms.
> > A recent change make impossible to load them without giving statesize.
> 
> Which one?

We recently disabled ahash drivers that do not declare statesize
because it can lead to a crash when the driver is used through
algif.

Not declaring statesize is a bug anyway but the fact that it
is exported through algif makes it much worse.

> > This patch specifiy statesize for sha1 and md5.
> > 
> > Signed-off-by: LABBE Corentin <clabbe.montjoie@...il.com>
> > Cc: stable@...r.kernel.org
> 
> Please also add a Fixes tag (and the stable version it applies to).

I don't see the point for a fixes tag as it would simply refer
to the original patch-set that added the driver.

Cheers,
-- 
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
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