From: Herbert Xu <herbert@gondor.apana.org.au>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Nathan Royce <nroycea+kernel@gmail.com>,
davem@davemloft.net, linux-crypto@vger.kernel.org,
linux-kernel@vger.kernel.org,
Marek Szyprowski <m.szyprowski@samsung.com>
Subject: Re: XTS Crypto Not Found In /proc/crypto Even After Compiled for 4.10.1.
Date: Tue, 14 Mar 2017 17:20:25 +0800 [thread overview]
Message-ID: <20170314092025.GC711@gondor.apana.org.au> (raw)
In-Reply-To: <20170313170601.ozolfzgixqu6aa4g@kozik-lap>
On Mon, Mar 13, 2017 at 07:06:01PM +0200, Krzysztof Kozlowski wrote:
>
> I bisected this to commit f1c131b45410 ("crypto: xts - Convert to
> skcipher"). The s5p-sss driver stays the same... but the xts changes and
> as a result we have a NULL pointer dereference (actually of value
> 00000004):
> [ 18.930195] Unable to handle kernel NULL pointer dereference at virtual address 00000004
> ...
> [ 18.972325] [<c0313c98>] (post_crypt) from [<c031408c>] (decrypt_done+0x4c/0x54)
> [ 18.972343] [<c031408c>] (decrypt_done) from [<c056309c>] (s5p_aes_interrupt+0x1bc/0x208)
> [ 18.972360] [<c056309c>] (s5p_aes_interrupt) from [<c0164930>] (irq_thread_fn+0x1c/0x54)
Well that's hardly surprising since xts prior to this commit used
simple AES as opposed to ecb(aes) so it couldn't have triggered
this bug.
> Any hints?
I'll have a look when I have time but no promises.
Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2017-03-14 9:20 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-06 16:18 XTS Crypto Not Found In /proc/crypto Even After Compiled for 4.10.1 Nathan Royce
2017-03-06 17:35 ` Krzysztof Kozlowski
2017-03-06 21:29 ` Nathan Royce
2017-03-08 17:45 ` Krzysztof Kozlowski
2017-03-08 21:15 ` Krzysztof Kozlowski
2017-03-09 11:16 ` Nathan Royce
2017-03-10 18:06 ` Krzysztof Kozlowski
2017-03-10 21:44 ` Nathan Royce
2017-03-12 19:13 ` Krzysztof Kozlowski
2017-03-13 17:06 ` Krzysztof Kozlowski
2017-03-14 9:20 ` Herbert Xu [this message]
2017-04-06 9:54 ` Herbert Xu
2017-04-08 2:02 ` Herbert Xu
2017-04-08 12:23 ` Krzysztof Kozlowski
-- strict thread matches above, loose matches on Subject: below --
2017-03-03 10:36 Nathan Royce
2017-03-03 12:04 ` Herbert Xu
2017-03-03 14:08 ` Nathan Royce
[not found] <CALaQ_hoZ6wh-H_NNoT80r6kthvFpL05zNWr7upVqispknXMEvg@mail.gmail.com>
2017-03-03 4:02 ` Herbert Xu
2017-03-03 9:00 ` Nathan Royce
2017-03-03 9:33 ` Herbert Xu
2017-03-05 17:16 ` Krzysztof Kozlowski
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