[Bug 1270784] [NEW] aa-status --enabled failed in LXC container with Permission denied: '/sys/kernel/security/apparmor/profiles'

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In an up to date Trusty container install apparmor and run:

root at trusty-amd64:~# aa-status --enabled
Traceback (most recent call last):
  File "/usr/sbin/aa-status", line 194, in <module>
    commands[cmd]()
  File "/usr/sbin/aa-status", line 17, in cmd_enabled
    if get_profiles() == {}:
  File "/usr/sbin/aa-status", line 92, in get_profiles
    for p in open(apparmor_profiles).readlines():
PermissionError: [Errno 13] Permission denied: '/sys/kernel/security/apparmor/profiles'

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: apparmor 2.8.0-0ubuntu38
ProcVersionSignature: Ubuntu 3.13.0-4.19-generic 3.13.0-rc8
Uname: Linux 3.13.0-4-generic x86_64
ApportVersion: 2.13.1-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Jan 20 11:26:01 2014
KernLog:
 Jan 20 08:03:53 sark kernel: [163212.225370] type=1400 audit(1390201433.425:86): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=16135 comm="apparmor_parser"
 Jan 20 08:03:53 sark kernel: [163212.225382] type=1400 audit(1390201433.425:87): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=16135 comm="apparmor_parser"
 Jan 20 08:03:53 sark kernel: [163212.225931] type=1400 audit(1390201433.425:88): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=16135 comm="apparmor_parser"
ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.13.0-4-generic root=UUID=cf89ba34-108b-404d-9804-32d54a1df2ea ro quiet splash vt.handoff=7
SourcePackage: apparmor
Syslog:
 
UpgradeStatus: Upgraded to trusty on 2012-01-31 (719 days ago)

** Affects: lxc (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade saucy2trusty trusty
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aa-status --enabled failed in LXC container with  Permission denied: '/sys/kernel/security/apparmor/profiles'
https://bugs.launchpad.net/bugs/1270784
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