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[Bug 1606946] [NEW] AppArmor denied opening /dev/shm/lttng-ust-wait*

To: ubuntu-apps-bugs@xxxxxxxxxxxxxxxxxxx
From: "Alejandro J. Cura" <alecu@xxxxxxxxxxxxx>
Date: Wed, 27 Jul 2016 14:20:07 -0000
Reply-to: Bug 1606946 <1606946@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Public bug reported:

When running under the Unity8 desktop session, the kernel log is spammed
with apparmor messages coming from the webbrowser app profile, the same
four lines every 5 seconds:

$ dmesg -w
[...]
[85560.662068] audit: type=1400 audit(1469629097.571:50068): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-6-1000" pid=17206 comm="QQmlThread" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
[85560.662124] audit: type=1400 audit(1469629097.571:50069): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-6" pid=17205 comm="QQmlThread" requested_mask="r" denied_mask="r" fsuid=1000 ouid=119
[85560.662173] audit: type=1400 audit(1469629097.571:50070): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-6-1000" pid=17206 comm="QQmlThread" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
[85560.662221] audit: type=1400 audit(1469629097.571:50071): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-6" pid=17205 comm="QQmlThread" requested_mask="r" denied_mask="r" fsuid=1000 ouid=119

** Affects: webbrowser-app (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1606946

Title:
  AppArmor denied opening /dev/shm/lttng-ust-wait*

Status in webbrowser-app package in Ubuntu:
  New

Bug description:
  When running under the Unity8 desktop session, the kernel log is
  spammed with apparmor messages coming from the webbrowser app profile,
  the same four lines every 5 seconds:

  $ dmesg -w
  [...]
  [85560.662068] audit: type=1400 audit(1469629097.571:50068): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-6-1000" pid=17206 comm="QQmlThread" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
  [85560.662124] audit: type=1400 audit(1469629097.571:50069): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-6" pid=17205 comm="QQmlThread" requested_mask="r" denied_mask="r" fsuid=1000 ouid=119
  [85560.662173] audit: type=1400 audit(1469629097.571:50070): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-6-1000" pid=17206 comm="QQmlThread" requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
  [85560.662221] audit: type=1400 audit(1469629097.571:50071): apparmor="DENIED" operation="open" profile="webbrowser-app" name="/dev/shm/lttng-ust-wait-6" pid=17205 comm="QQmlThread" requested_mask="r" denied_mask="r" fsuid=1000 ouid=119

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