Re: CI: Selftest failures of s390 SHA3 and HMAC on next kernel

Herbert Xu
2025-05-23T05:51:52Z

On Thu, May 22, 2025 at 04:13:59PM +0200, Ingo Franzki wrote:
> Hi Herbert,
>
> in tonight's CI run the self-tests of the s390x kernel ciphers for SHA-3 and HMAC (with SHA-2) started to fail on the next kernel.
> This must be something the came into the next kernel just recently (yesterday). It did not fail before tonight.
>
> Affected modules: sha3_512_s390, sha3_256_s390, and hmac_s390.
> Not affected are: sha512_s390 and sha1_s390.
> sha256/sha224 no longer exist as module, probably due to the move to be a library now.
> All SHA-2 digest self-tests pass, but strangely, the HMAC with SHA-2 self-tests fail....

It's probably the export/import format tests. Please try reverting

18c438b228558e05ede7dccf947a6547516fc0c7

and see if the problem goes away. If it does then I'll revert that
for now and figure out why the s390 export format is still different.

Thanks,