Re: [PATCH v3] vfs: new O_NODE open flag

From: Miklos Szeredi
Date: Mon Dec 07 2009 - 08:16:52 EST


On Mon, 7 Dec 2009, Alan Cox wrote:
> > Alan, you are just ignoring facts and trying to push revoke(2) which
> > in fact doesn't have much to do with this issue. revoke(2) is about
> > *open devices*, O_NODE doesn't produce an open device. Don't you
> > understand that?
>
> That is *exactly* the problem, which is clearly what you are missing here.

I don't think so, but maybe I'm wrong. Could you describe your attack
scenario in detail then, please?

Thanks,
Miklos
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