Messages in this thread | | | Date | Fri, 7 Mar 2008 22:04:10 -0800 | From | Greg KH <> | Subject | Re: [PATCH 5/9] Make use of permissions, returned by kobj_lookup |
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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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