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DateFri, 7 Mar 2008 22:04:10 -0800
FromGreg KH <>
SubjectRe: [PATCH 5/9] Make use of permissions, returned by kobj_lookup
On Fri, Mar 07, 2008 at 12:50:52PM -0600, Serge E. Hallyn wrote:
> Quoting Greg KH (greg@kroah.com):> > On Fri, Mar 07, 2008 at 11:35:42AM -0600, Serge E. Hallyn wrote:
> > > > Do you really want to run other LSMs within a containerd kernel?  Is
> > > > that a requirement?  It would seem to run counter to the main goal of
> > > > containers to me.> > > > > > Until user namespaces are complete, selinux seems the only good solution
> > > to offer isolation.> > > > Great, use that instead :)> > That can't work as is since you can't specify major:minor in policy.

Your LSM can not, or the LSM interface does not allow this to happen?

> So all we could do again is simply refuse all mknod, which we can
> already do with per-process capability bounding sets.

I thought we passed that info down to the LSM module, can't you do your
selection at that point in time?

And then, just mediate open() like always, right?

thanks,

greg k-h
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