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Re: CLONE_NEWUSER local DoS
From: Oleg Nesterov <oleg () redhat com>
Date: Tue, 6 Aug 2013 20:31:09 +0200

On 08/06, Andy Lutomirski wrote:

On Tue, Aug 6, 2013 at 9:47 AM, Oleg Nesterov <oleg () redhat com> wrote:

I'll send the patch, but perhaps there is something else. Eric?

I think that's right.  OTOH, it's not going to prevent this from OOMing:

Aaaah. user_ns_cachep I guess? ns->parent logic, yes??

I convinced myself this should be fine but it seems you are right.

IIUC, this needs another fix. Will try tomorrow. Not that I think
this needs my help ;)

Oleg.


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