Public bug reported:
AppArmor seems to prevent cupsd from connecting to the system dbus:
Sep 10 09:06:00 callisto kernel: audit: type=1400 audit(1410332760.203:112):
apparmor="DENIED" operation="connect" info="Failed name lookup - disconnected
path" error=-13 profile="/usr/sbin/cupsd" name="run/dbus/system_bus_socket"
pid=3608 comm="cupsd" requested_mask="rw" denied_mask="rw" fsuid=0 ouid=0
Sep 10 09:06:31 callisto cupsd[3608]: process 3608: arguments to
dbus_connection_unref() were incorrect, assertion "connection != NULL" failed
in file ../../dbus/dbus-connection.c line 2794.
Sep 10 09:06:31 callisto cupsd[3608]: This is normally a bug in some
application using the D-Bus library.
I got these errors since upgrading to utopic (Aug 22).
Might be worth noting that I'm using systemd as init.
Adding flags=(attach_disconnected) to the /usr/sbin/cupsd profile seems
to fix this problem.
** Affects: cups (Ubuntu)
Importance: Undecided
Status: New
** Tags: apparmor
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https://bugs.launchpad.net/bugs/1367609
Title:
AppArmor: Prevents connection to system dbus (disconnected path)
Status in “cups” package in Ubuntu:
New
Bug description:
AppArmor seems to prevent cupsd from connecting to the system dbus:
Sep 10 09:06:00 callisto kernel: audit: type=1400 audit(1410332760.203:112):
apparmor="DENIED" operation="connect" info="Failed name lookup - disconnected
path" error=-13 profile="/usr/sbin/cupsd" name="run/dbus/system_bus_socket"
pid=3608 comm="cupsd" requested_mask="rw" denied_mask="rw" fsuid=0 ouid=0
Sep 10 09:06:31 callisto cupsd[3608]: process 3608: arguments to
dbus_connection_unref() were incorrect, assertion "connection != NULL" failed
in file ../../dbus/dbus-connection.c line 2794.
Sep 10 09:06:31 callisto cupsd[3608]: This is normally a bug in some
application using the D-Bus library.
I got these errors since upgrading to utopic (Aug 22).
Might be worth noting that I'm using systemd as init.
Adding flags=(attach_disconnected) to the /usr/sbin/cupsd profile
seems to fix this problem.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1367609/+subscriptions
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