[PATCH 1/9] Add a user_namespace as creator/owner of uts_namespace

David Howells dhowells at redhat.com
Wed Feb 23 15:19:08 PST 2011

Eric W. Biederman <ebiederm at xmission.com> wrote:

> > Which means that unless the uts_namespace belongs to our user_namespace, we
> > cannot change it.  Is that correct?
> No.  If you are root in a parent namespace you can also change it.

But surely, by definition, if you're a user in this namespace, you can't also
be root in a parent namespace...

For the case I worked through current_user() is a member of current_user_ns()
and can't also be a member of its parent, grandparent, etc. - or can it?


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