Re: [PATCH 00/10] crypto: omap fixes towards 5.5

[Tero Kristo <t-kristo@ti.com>]

On 25/10/2019 14:55, Tero Kristo wrote:
> On 25/10/2019 14:33, Ard Biesheuvel wrote:
>> On Thu, 17 Oct 2019 at 14:26, Tero Kristo <t-kristo@ti.com> wrote:
>>>
>>> Hi,
>>>
>>> This series fixes a number of bugs with omap crypto implementation.
>>> These have become evident with the changes to the cryptomanager, where
>>> it adds some new test cases and modifies some existing, namely the split
>>> update tests. Also, while fixing the cryptomanager induced bugs, some
>>> other surfaced with tcrypt/IPSec tests, so fixed them aswell.
>>>
>>> Patch #9 is against crypto core modifying the crypto_wait_req
>>> common API to have a timeout for it also, currently it waits forever
>>> and it is kind of difficult to see what test fails with crypto manager.
>>> This is not really needed for anything, but it is kind of nice to have
>>> (makes debugging easier.)
>>>
>>> This series has been tested on top of 5.4-rc2, with following setups,
>>> on AM57xx-beagle-x15 board:
>>>
>>> - crypto manager self tests
>>> - tcrypt performance test
>>> - ipsec test with strongswan
>>>
>>> This series depends on the skcipher API switch patch from Ard Biesheuvel
>>> [1].
>>>
>>
>> Hi Tero,
>>
>> On my BeagleBone White, I am hitting the following issues after
>> applying these patches:
>>
>> [    7.493903] alg: skcipher: ecb-aes-omap encryption unexpectedly
>> succeeded on test vector "random: len=531 klen=32";
>> expected_error=-22, cfg="random: inplace may_sleep use_finup
>> src_divs=[44.72%@+4028, <flush>14.70%@alignmask+3, 19.45%@+4070,
>> 21.13%@+2728]"
>> [    7.651103] alg: skcipher: cbc-aes-omap encryption unexpectedly
>> succeeded on test vector "random: len=1118 klen=32";
>> expected_error=-22, cfg="random: may_sleep use_final
>> src_divs=[<reimport>41.87%@+31, <flush>58.13%@+2510]"
>>
>> These are simply a result of the ECB and CBC implementations not
>> returning -EINVAL when the input is not a multiple of the block size.
>>
>> [    7.845527] alg: skcipher: blocksize for ctr-aes-omap (16) doesn't
>> match generic impl (1)
>>
>> This means cra_blocksize is not set to 1 as it should. If your driver
>> uses the skcipher walk API, it should set the walksize to
>> AES_BLOCK_SIZE to ensure that the input is handled correctly. If you
>> don't, then you can disregard that part.
>>
>> [    8.306491] alg: aead: gcm-aes-omap setauthsize unexpectedly
>> succeeded on test vector "random: alen=3 plen=31 authsize=6 klen=9";
>> expected_error=-22
>>
>> Another missing sanity check. GCM only permits certain authsizes.
>>
>> [    9.074703] omap_crypto_copy_sgs: Couldn't allocate pages for
>> unaligned cases.
>>
>> This is not a bug, but I'm not sure if the below is related or not.
>>
>> I'll preserve the binaries, in case you need me to objdump anything.
> 
> What are these tests you are executing? For me, the testmgr self test 
> suite is passing just fine. Any extra tests you have enabled somehow?
> 
> I am also running full test on different board though (am57xx), I 
> haven't been explicitly running anything on am335x.

Oh, and btw, did you try without my series? I think the selftests are 
failing rather miserably without them...

-Tero
--
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