The following fix to the abstraction seems to fix the issue: === modified file 'data/apparmor/abstractions/lightdm' --- data/apparmor/abstractions/lightdm 2015-10-19 10:44:23 +0000 +++ data/apparmor/abstractions/lightdm 2016-09-28 03:39:54 +0000 @@ -95,7 +95,7 @@ unix (receive) peer=(label=unconfined), unix (create), unix (getattr, getopt, setopt, shutdown), - unix (bind, listen) type=stream addr="@/com/ubuntu/upstart-session/**", + unix (bind, listen, accept, receive, send) type=stream addr="@/com/ubuntu/upstart-session/**", unix (bind, listen) type=stream addr="@/tmp/dbus-*", unix (bind, listen) type=stream addr="@/tmp/.ICE-unix/[0-9]*", unix (bind, listen) type=stream addr="@/dbus-vfs-daemon/*",
I figure that something (Unity?) is now making more use of the upstart session. So we need to allow all operations on it. I'm not an upstart expert but I figure this is safe to allow? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1627304 Title: User locking problems - guest login crashing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1627304/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
