On Wed, Feb 13, 2013 at 03:22:32PM -0800, Eric W. Biederman wrote: > "J. Bruce Fields" <bfields@xxxxxxxxxxxx> writes: > > > On Wed, Feb 13, 2013 at 02:32:29PM -0800, Eric W. Biederman wrote: > >> Now looking at the nfs server, seems to be hard coded to only start > >> in the initial network namespace despite almost having support for > >> starting in more. > > > > Right, Stanislav's got 4 more patches that should finish the job; see > > http://mid.gmane.org/<20130201125210.3257.46454.stgit@localhost.localdomain> > > and followups. That should make it for 3.9, I just need to review > > them.... > > Ok that is interesting. > > There is an interesting corner case here where an unprivileged user > can create a user namespace and then can create a network namespace. > Depending on how we interpret things when Stanislaves patches reach > there we might have to add: > > if (net->user_ns != &init_user_ns) > -EINVAL > > Somewhere appropriate. I'm assuming that's something that's needed only in kernels that have *both* Stanislav's patches and yours. I've committed his patches to git://linux-nfs.org/~bfields/linux.git for-3.9 which should also get pulled into next. Let me know if there's another patch I should take. > I am a touch concerned about /proc/fs/nfsd/exports after my patches > and Stanislavs patches both come in. As I think that will allow for > cases where net->user_ns != &init_userns. But we can cross that bridge > when we come to it. OK, let me know of anything I can do to make your life easier.... --b. _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers