[gnutls-help] GnuTLS testsuite error on ppc64 after nettle upgrade

[Andreas Metzler]

On 2021-02-09 Andreas Metzler <ametzler at bebt.de> wrote:
> Hello,

> Upgrading nettle from 3.6 to 3.7 triggers a GnuTLS 3.7.0 testsuite
> error on both ppc64 and ppc64el:

> (sid_ppc64el-dchroot)ametzler at plummer:~/GNUTLS/gnutls28-3.7.0/b4deb/tests$ ./min
[...]
> testing chacha20-poly1305
> testing tls13-chacha20-poly1305
> server:330: client: Error: An unexpected TLS packet was received.

> Running the same binary dynamically (with LD_LIBRARY_PATH setting) linked
> against nettle 3.6 succeeds.

> --verbose logs are huge (5-7 MB xz-compressed), I have uploaded them to
> https://people.debian.org/~ametzler/tmp/

Hello,

I have bisected this[1] in nettle git and found

58a0301437e9beb23130423ff1063a67b6f2b43b
ppc: New assembly for chacha_core4, doing four blocks in parallel.

as first bad commit, the previous one
(58c55046beda976b10ac3ce930696d172e5e5038 Fix a ChangeLog typo.) works.

cu Andreas

[1] twice :-( First try found d56503602134442832e73bc40a657954d3f8db8f
- "Enable fat build by default." so I did a second run with
--enable-fat.
-- 
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