If the target you're bootstrapping is Debian, and the failure is inside the chroot, this wouldn't be a bug in the Ubuntu pam package. It might be a bug in the Ubuntu version of fakechroot, which is where the Debian bug you linked you was assigned.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1913629 Title: adduser: \/usr/bin/chfn -f systemd Time Synchronization systemd- timesync' returned error code 1. Exiting.` To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/1913629/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs