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Re: [PATCH] crypto: arm64/aes-gcm-ce - fix scatterwalk API violation
On Mon, Aug 20, 2018 at 04:58:34PM +0200, Ard Biesheuvel wrote:
> Commit 71e52c278c54 ("crypto: arm64/aes-ce-gcm - operate on
> two input blocks at a time") modified the granularity at which
> the AES/GCM code processes its input to allow subsequent changes
> to be applied that improve performance by using aggregation to
> process multiple input blocks at once.
>
> For this reason, it doubled the algorithm's 'chunksize' property
> to 2 x AES_BLOCK_SIZE, but retained the non-SIMD fallback path that
> processes a single block at a time. In some cases, this violates the
> skcipher scatterwalk API, by calling skcipher_walk_done() with a
> non-zero residue value for a chunk that is expected to be handled
> in its entirety. This results in a WARN_ON() to be hit by the TLS
> self test code, but is likely to break other user cases as well.
> Unfortunately, none of the current test cases exercises this exact
> code path at the moment.
>
> Fixes: 71e52c278c54 ("crypto: arm64/aes-ce-gcm - operate on two ...")
> Reported-by: Vakul Garg
> Signed-off-by: Ard Biesheuvel
Patch applied. Thanks.
--
Email: Herbert Xu
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
Re: [PATCH] crypto: arm64/sm4-ce - check for the right CPU feature bit
On Tue, Aug 07, 2018 at 11:18:36PM +0200, Ard Biesheuvel wrote: > ARMv8.2 specifies special instructions for the SM3 cryptographic hash > and the SM4 symmetric cipher. While it is unlikely that a core would > implement one and not the other, we should only use SM4 instructions > if the SM4 CPU feature bit is set, and we currently check the SM3 > feature bit instead. So fix that. > > Signed-off-by: Ard Biesheuvel Patch applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
Re: [PATCH] crypto: caam/qi - fix error path in xts setkey
On Mon, Aug 06, 2018 at 03:29:39PM +0300, Horia Geantă wrote:
> xts setkey callback returns 0 on some error paths.
> Fix this by returning -EINVAL.
>
> Cc: # 4.12+
> Fixes: b189817cf789 ("crypto: caam/qi - add ablkcipher and authenc
> algorithms")
> Signed-off-by: Horia Geantă
Patch applied. Thanks.
--
Email: Herbert Xu
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
Re: [PATCH] crypto: caam - fix DMA mapping direction for RSA forms 2 & 3
On Mon, Aug 06, 2018 at 03:29:55PM +0300, Horia Geantă wrote:
> Crypto engine needs some temporary locations in external memory for
> running RSA decrypt forms 2 and 3 (CRT).
> These are named "tmp1" and "tmp2" in the PDB.
>
> Update DMA mapping direction of tmp1 and tmp2 from TO_DEVICE to
> BIDIRECTIONAL, since engine needs r/w access.
>
> Cc: # 4.13+
> Fixes: 52e26d77b8b3 ("crypto: caam - add support for RSA key form 2")
> Fixes: 4a651b122adb ("crypto: caam - add support for RSA key form 3")
> Signed-off-by: Horia Geantă
Patch applied. Thanks.
--
Email: Herbert Xu
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
Re: [PATCH] crypto: caam/jr - fix descriptor DMA unmapping
On Mon, Aug 06, 2018 at 03:29:09PM +0300, Horia Geantă wrote:
> Descriptor address needs to be swapped to CPU endianness before being
> DMA unmapped.
>
> Cc: # 4.8+
> Fixes: 261ea058f016 ("crypto: caam - handle core endianness != caam
> endianness")
> Reported-by: Laurentiu Tudor
> Signed-off-by: Horia Geantă
Patch applied. Thanks.
--
Email: Herbert Xu
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
Re: [PATCH] chtls_cm.c: fix missing return value check of alloc_skb()
Jiecheng Wu wrote: > Function chtls_close_conn() defined in > drivers/crypto/chelsio/chtls/chtls_cm.c calls alloc_skb() to allocate memory > for struct sk_buff which is dereferenced immediately. As alloc_skb() may > return NULL on failure, this code piece may cause NULL pointer dereference > bug. Please add a sign-off. You can refer to Documentation/process/submitting-patches.rst Thanks, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
Re: [RESEND PATCH 2/2] crypto: caam - Support deferred probing in JR dependent drivers
On Tue, Aug 07, 2018 at 12:34:57PM +, Horia Geanta wrote:
> On 8/7/2018 11:00 AM, Marcin Niestroj wrote:
> > It is possible, that caam_jr_alloc() is called before JR devices are
> > probed. Return -EPROBE_DEFER in drivers that rely on JR devices, so
> > they are probed at later stage.
> >
> These drivers don't have a probe() callback.
> Returning -EPROBE_DEFER in module's init() (caamrng) or crypto algorithm's
> init() (caamalg etc.) callbacks is not going to help, they won't be called
> later.
>
> Does adding request_module("caam_jr") in module's init() solve the issue?
If everything is built as a module this should always work because
a module isn't available until after its init function has finished.
So the only problem here appears to be when everything is built-in
in which case the init functions are run in random order.
So perhaps move caam_jr's module_init function to an earlier level
(i.e., earlier than device_initcall)?
Cheers,
--
Email: Herbert Xu
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
