[PATCH 0/1] [jaunty] LP#344370 -- Add checking for AppArmorFS creation failure.

[Brad Figg]

Tim Gardner wrote:
> Brad Figg wrote:
>> Tim Gardner wrote:
>>> Brad Figg wrote:
>>>> Please pull from:
>>>>     git://kernel.ubuntu.com/brad/ubuntu-jaunty master
>>>>
>>>> Bug: 344370
>>>>
>>>> When the creation of the AppArmor FS fails the default_namespace is
>>>> free'd. However, this was not being checked for and was being used
>>>> anyway.
>>>>
>>>> UBUNTU: SAUCE: Add checking for AppArmorFS creation failure.
>>>>
>>>>  security/apparmor/main.c |    4 +++-
>>>>  1 files changed, 3 insertions(+), 1 deletions(-)
>>>>
>>>>
>>>
>>> Is this the root cause for AA oops'ing on ARM imx51 ?
>>>
>>
>> Yes and no. This prevents the oops from happening. However, the
>> reason this check is necessary is that earlier on the AppArmorFS
>> failed to be created. The creation failed because a directory
>> "apparmor" could not be created in the root directory of the
>> "securityfs".
>>
>> I believe that this is due to a platform configuration issue. However,
>> I'm trying to figure out what the "securityfs" is, how it gets
>> created and why it is missing from the imx51.
>>
>> Brad
>>
> 
> Your best resource for finding out the answer to that question might be 
> Oliver.

Agreed, and one of my next emails was going to be to him. Thanks for including
him on the CC list.

Brad