apparmor oops caused by starting an unprivileged lxc container

Bug #1308082 reported by James Hunt on 2014-04-15
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)

Bug Description

Oops caused when trying to start an lxc unprivileged container.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-24-generic 3.13.0-24.46
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu2
Architecture: amd64
 /dev/snd/controlC1: james 2580 F.... pulseaudio
 /dev/snd/controlC0: james 2580 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Apr 15 15:00:18 2014
HibernationDevice: RESUME=UUID=db600bbe-faca-41f4-9338-c3e8e227599a
InstallationDate: Installed on 2014-04-11 (3 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Daily amd64 (20140409)
MachineType: LENOVO 20AQCTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
 linux-restricted-modules-3.13.0-24-generic N/A
 linux-backports-modules-3.13.0-24-generic N/A
 linux-firmware 1.127
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install) 02/10/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GJET71WW (2.21 )
dmi.board.asset.tag: Not Available 20AQCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: 0B98405 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrGJET71WW(2.21):bd02/10/2014:svnLENOVO:pn20AQCTO1WW:pvrThinkPadT440s:rvnLENOVO:rn20AQCTO1WW:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable: 20AQCTO1WW
dmi.product.version: ThinkPad T440s
dmi.sys.vendor: LENOVO

James Hunt (jamesodhunt) wrote :

This change was made by a bot.

Changed in linux (Ubuntu):
status: New → Confirmed
Joseph Salisbury (jsalisbury) wrote :

Did this just recently start happening after an upgrade? Was there a prior kernel that did not hit the oops?

Also, can you give the latest mainline kernel a test to see if this issue is already fixed upstream? The 3.15-rc1 kernel can be downloaded from:

Changed in linux (Ubuntu):
importance: Undecided → High
tags: added: kernel-da-key
Stéphane Graber (stgraber) wrote :

It's related to the apparmor patch, the security team is aware of it and I believe John has a patch.

Changed in linux (Ubuntu):
status: Confirmed → Triaged
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