Re: 2.6.6-mm2

[Andy Lutomirski]

Chris Wright wrote:

> * Andrew Morton (akpm@xxxxxxxx) wrote:
>
> > Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
> >
> > > > +hugetlb_shm_group-sysctl-gid-0-fix.patch
> > > >
> > > > Don't make gid 0 special for hugetlb shm.
> > >
> > > As Oracle has agreed on fixing their DB to use hugetlbfs could we
> > > please stop doctoring around on this broken patch and revert it.
> >
> > Once I'm convinced that kernel.org kernels will be able to run applications
> > which vendor kernels will run, sure.
>
>
> What about something that's just simple and generic?  This is similar to
> Andrea's disable_cap_mlock patch and the disabling capabilities patch
> that wli produced back in that thread.  It would remove the hack, and
> buy us some time to find better solutions.  Downside of course (as all
> of these have) is reduced security value.

I actually like the magic group better.  This one means that _anyone_
can DoS the system.  Why not just give Oracle its own LSM if this is
what you want to do (that way the nastiness is completely isolated)?

<shameless_plug> My patch (posted a couple hours ago) solves this one
cleanly </shameless_plug>

--And
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