DPKG Issue - guidance neede

[patrick.vogelaar.dev@mailbox.org]

Hi all,

we are building a custom distribution and are using a shared sstate cache. Now we discovered an edge case where it causes problems if parts of the CIs build path exist but is not accessible due to permissions.

Build path CI: /var/jenkins_home/.../build

If now on my local machine the directory /var/jenkins_home exists but is not accessible due to permissions the build fails in do_rootfs with:
dpkg: error: error opening configuration directory '/var/jenkins_home/.../build/tmp/.../recipe-sysroot-native/etc/dpkg/dpkg.cfg.d': Permission denied

If this directory does not exist dpkg fails silent and there is no problem at all. But if it cannot access it because of permissions it throws an error.

What would the workflow now be?
Provide a patch to the dpkg project and also add the patch to the recipe? or something else?
Should I create a bugzilla issue?
...

Would be great to get some support on the typical next steps.

Thanks for the guidance
Patrick