Re: PROBLEM: encryption test failures since "crypto: mxs-dcp - Use sg_mapping_iter to copy data"

[Christian Eggers]

Hi Sean,

On Thursday, 27 January 2022, 18:31:48 CET, Sean Anderson wrote:
> Hi Christian,
> 
> On 1/27/22 12:23 PM, Christian Eggers wrote:
> > SoC: i.MX6ULL
> > 
> > After upgrading from v5.10.65-rt53 to v5.10.73-rt54 I get two additional messages on boot:
> > 
> > ...
> > [ 3.786333] alg: skcipher: ecb-aes-dcp encryption test failed (wrong result) on test vector 0, cfg="two even aligned splits"
> > [ 3.789020] alg: skcipher: cbc-aes-dcp encryption test failed (wrong result) on test vector 0, cfg="two even aligned splits"
> > [ 3.793741] mxs-dcp 2280000.crypto: mxs_dcp: initialized
> > ..
> > 
> > After reverting the commit
> > 
> > 2e6d793e1bf0 ("crypto: mxs-dcp - Use sg_mapping_iter to copy data")
> > 
> > the error messages above disappear again.
> 
> Can you try applying the patch in [1] on top of your revert?
with the patch from [1] on top of the reverted 2e6d793e1bf0 there are
no error messages on boot.

regards
Christian

> 
> [1] https://lore.kernel.org/linux-arm-kernel/20210701185638.3437487-1-sean.anderson@xxxxxxxx/
>