Re: FAILED: patch "[PATCH] crypto: caam - update xts sector size for large input length" failed to apply to 4.9-stable tree

[Sasha Levin <sashal@kernel.org>]

On Wed, Apr 15, 2020 at 01:06:15PM +0200, gregkh@linuxfoundation.org wrote:
>
>The patch below does not apply to the 4.9-stable tree.
>If someone wants it applied there, or to any other stable or longterm
>tree, then please email the backport, including the original git commit
>id to <stable@vger.kernel.org>.
>
>thanks,
>
>greg k-h
>
>------------------ original commit in Linus's tree ------------------
>
>From 3f142b6a7b573bde6cff926f246da05652c61eb4 Mon Sep 17 00:00:00 2001
>From: Andrei Botila <andrei.botila@nxp.com>
>Date: Fri, 28 Feb 2020 12:46:48 +0200
>Subject: [PATCH] crypto: caam - update xts sector size for large input length
>MIME-Version: 1.0
>Content-Type: text/plain; charset=UTF-8
>Content-Transfer-Encoding: 8bit
>
>Since in the software implementation of XTS-AES there is
>no notion of sector every input length is processed the same way.
>CAAM implementation has the notion of sector which causes different
>results between the software implementation and the one in CAAM
>for input lengths bigger than 512 bytes.
>Increase sector size to maximum value on 16 bits.
>
>Fixes: c6415a6016bf ("crypto: caam - add support for acipher xts(aes)")
>Cc: <stable@vger.kernel.org> # v4.12+
>Signed-off-by: Andrei Botila <andrei.botila@nxp.com>
>Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
>Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Function names were different due to 9dbe3072c6b1 ("crypto: caam/qi -
ablkcipher -> skcipher conversion") - queued up for 4.19 and 4.14.

I don't think that it's needed on anything older.

-- 
Thanks,
Sasha