Re: [RFC PATCH v2 00/13] SELinux support for Infiniband RDMA

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On 4/13/2016 7:27 PM, Ira Weiny wrote:
> On Wed, Apr 13, 2016 at 04:47:48PM +0000, Sean Hefty wrote:
>>> Former (multicast modifications of fabric) also requires restricting
>>> arbitrary UD QPs as well as QP1 as SA access is QPn (n > 0) <-> QP1.
>>
>> The SA could have an option to ignore all requests that do not originate QP1,
>> then protect access to QP1 on the client nodes.
> 
> I'm not really sure what we are protecting against here.  Is it simply DoS
> against the SA?
> 
> Ira
> 
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> 

A DoS attack against the SA is out of scope for this proposed change.
SELinux provides access control.  Preventing a user from maliciously
doing something you've given them permission to do is a different problem.

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