Re: 2.6.6-mm2

[Andy Lutomirski <luto@myrealbox.com>]

Chris Wright wrote:

> * Andrew Morton (akpm@osdl.org) wrote:
> 
>>Christoph Hellwig <hch@infradead.org> 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