Re: Has anything changed in terms of how to build a signed kernel semi-recently?

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Am 29.05.23 um 17:00 schrieb Pavel Raiskup:
On pondělí 29. května 2023 13:58:08 CEST Julian Sikorski wrote
Am 18.05.23 um 00:41 schrieb Julian Sikorski:
Am 17.05.23 um 23:35 schrieb Julian Sikorski:
Hello,

I tried building a signed 6.3 kernel today after a while (6.1
timeframe). Unfortunately, it appears that I am hitting some issues
with pesign:

+ /usr/bin/pesign --certdir /etc/pki/pesign -t 'NSS Certificate DB' -c
'Julians Secure Boot signing key - Julian Sikorski' -s -i
arch/x86/boot/bzImage -o vmlinuz.tmp
pesign: Could not open NSS database ("security library: bad
database."): Permission denied

I have updated to F38 since but everything is still in place:
- pesign is running unlocked:
    $ sudo pesign-client -q
    token "NSS Certificate DB" is unlocked
- I run mock with hosts's pesign folders exposed:
    $ sudo cat /etc/mock/site-defaults.cfg | grep bind

config_opts['plugin_conf']['bind_mount_opts']['dirs'].append(('/var/run/pesign', '/var/run/pesign'))
- I run mock with --isolation=simple

Summing up, I am still following the same guide as before [1]. Were
there any changes in the recent months which could influence this
workflow? Thanks!

Best regards,
Julian

[1] https://gist.github.com/chenxiaolong/520914b191f17194a0acdc0e03122e63
Hi all,

I figured it out, looks like this commit is to blame:

https://github.com/rhboot/pesign/commit/d8a8c259994d0278c59b30b41758a8dd0abff998

I fixed it by adding myself to pesign group.

Best regards,
Julian

Julian, thank you for reporting.

Now with mock-4.0 I am getting permission denied again. I do not want to
be that guy, but aren't incompatible upgrades frowned upon during a
single release?

This is something we try to achieve most of the time, but as you can see
- problems sometimes happen.  Sorry to hear this.

Thank you for responding. Apologies if my previous email was a bit emotional. The fact that the problem only occurs after around 20 minutes of a kernel build makes is particularly annoying.


More importantly, how can I now configure mock so that it can use
host's pesign and I can build signed kernel images again?

I believe you've hit a bug that should be reported upstream:
https://github.com/rpm-software-management/mock/issues
I'm going to report there if you aren't faster.

Pavel
Issue filed:
https://github.com/rpm-software-management/mock/issues/1091

Best regards,
Julian
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