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

[Sean Anderson]

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?

--Sean

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