the bug is a regression introduced when we merge the debian version 1:4.15.3-3 as part of LP issue https://bugs.launchpad.net/ubuntu/+source/shadow/+bug/2073338
at this merge, we dropped the patch 506_relaxed_usernames.patch thinking that the patch has been integrated in debian but this patch is actually a modified version of the original patch in Debian to disallow purely numeric user/group names we must keep this behavior that is Ubuntu-only -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2076898 Title: Numeric name is accepted as valid username for useradd/groupadd To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shadow/+bug/2076898/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
