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Date: Fri, 10 Aug 2012 10:58:40 +0200
From: Ole Kliemann <ole@plastictree.net>
To: Stephen Smalley <sds@tycho.nsa.gov>
Cc: selinux@tycho.nsa.gov
Subject: Re: Possible bug in finding default context?
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On Thu, Aug 09, 2012 at 01:48:32PM -0400, Stephen Smalley wrote:
> On Thu, 2012-08-09 at 19:45 +0200, Ole Kliemann wrote:
> > BTW, the exact number seems 194. 194 types associated with one=20
> > role works. 195 and it's broken.
> >=20
> > I'm doing this on Ubuntu 12.04, so it could be the crappily=20
> > maintained selinux userland here.
>=20
> We'd like to rip out all usage of security_compute_user()
> aka /sys/fs/selinux/user and everything that calls it.  Previously
> discussed on the list, although not your specific problem (presumably
> we're hitting the selinuxfs limit on size of response for /selinux/user
> transactions).  Take all of that logic to userspace and greatly simplify
> it.

Since I seem to be inclined to do strange things noone really did=20
before, I have to ask this:

This is strictly a problem only for the userspace, right? The LSM=20
can handled what ever I throw at it and will always enforce the=20
policy by the letter, no matter how many types/roles/user or=20
other strange constructs whatsoever I use?

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