lightdm does not clean-up password files for guest session until no guest login is possible

Bug #1210550 reported by no!chance on 2013-08-09
This bug affects 3 people
Affects Status Importance Assigned to Milestone
Light Display Manager

Bug Description

Every login als guest user creates an entry in /etc/password, /etc/group and /etc/shadow but there is no cleanup. Some time, it is not possible to login as a guest, because these password-files are "full".

Only manual deletion of all these guest-entries resolves this issue.

Robert Ancell (robert-ancell) wrote :

What version of LightDM are you using?

Robert Ancell (robert-ancell) wrote :

I have also seen left behind guest accounts but I believe they're on some failure case, not the normal case.

no!chance (ralf-fehlau) wrote :

It ws the lightdm version, which comes with Ubuntu 12.04. It's the computer of a friend of mine. She logs in as a guest *very* often. I will check it again next time, when I get this laptop in my hands.

no!chance (ralf-fehlau) wrote :

I checked it again ... there are 124 new entries named "guest-..." in /etc/passwd, /etc/group and /etc/shadow. The lastest patches were installed.

Schlomo Schapiro (sschapiro) wrote :

Same problem on 14.10 utopic. Slowly building up a long list of guest- accounts.

It would be nice if the guest accounts would be cleaned up forcefully on a regular base.

Schlomo Schapiro (sschapiro) wrote :

I took the liberty of adding the people who appear in /usr/sbin/guest-account in the hope that maybe they can help to get this solved. Or at least know who should be notified of this issue. Thanks a lot for any help!

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