Re: [PATCH v12 0/9] LSM: Multiple concurrent LSMs

[John Johansen]

On 01/10/2013 05:13 PM, Eric W. Biederman wrote:
> John Johansen <john.johansen@xxxxxxxxxxxxx> writes:
> 
>>> When a distro is run in a container it is desirable to be able to run
>>> the distro's security policy in that container.  Ideally this will get
>>> addressed by being able to do some level of per user namespace stacking.
>>> Say selinux outside and apparmor inside a container.
>>>
>>> I think this would take a little more work than what Casey has currently
>>> devised but I am hopeful an additional layer of stacking can be added
>>> after Casey has merged the basic layer of stacking.
>>>
>> Right the general case will take more, but doing things like selinux on
>> the outside and apparmor inside are doable right now. And we are working
>> on supporting stacked apparmor policy right now so apparmor outside and
>> a different apparmor policy inside will be doable soon.
> 
> Cool.  For stacked apparmor how are you deciding which tasks get which
> policy?  Is this based on user namespaces or something else?
> 
its based on the apparmor policy namespace, which is inherited from the
parent task.



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