Hi, Thanks for your feedback Julian. I've opened a bug[1] and will prepare a patch to error out the creation of fully numeric names (can still be overridden using the --badnames parameter)
Kind regards, Victor [1] https://bugs.launchpad.net/ubuntu/+source/shadow/+bug/1927078 On Tue, Apr 20, 2021 at 12:48 PM Julian Andres Klode < julian.kl...@canonical.com> wrote: > On Thu, Apr 08, 2021 at 06:58:36PM +0200, Victor Tapia wrote: > > Hi, > > > > While reviewing a bug in Focal I noticed that useradd allows the creation > > of fully numeric usernames[1] but systemd does not like them[2]. This > > triggers issues in apps relying on systemd, such as gnome/gdm (returns to > > gdm after authenticating). For instance, after creating user 0, the user > > can log in via ssh or console but loginctl won't create a session for it: > > It seems like a good idea to make useradd error out on such usernames > too, I suppose. > > > -- > debian developer - deb.li/jak | jak-linux.org - free software dev > ubuntu core developer i speak de, en >
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