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SubjectRe: [PATCH] capabilities: Ambient capability set V1
On Thu, Feb 26, 2015 at 03:09:48PM -0600, Christoph Lameter wrote:
> On Thu, 26 Feb 2015, Serge E. Hallyn wrote:
>
> > > Same problem as before. The ambient bits will not be set in pE'.
> >
> > And what if I weren't scatterbrained and we did
> >
> > if (pA)
> > pE' = pP'
> > else
> > pE' = pP' & fE
> >
> > All pP' bits would be set in pE'.
>
> Ok and the non ambient case would break because fE is not available?
> Doesnt this reduce to
>
> pE' = pP'
>
> in either case?

No. fE is not "not available". If you set it with setcap, you *should*
(if i'm tinking right) find fE full when calculating the new capability
sets, because of magic_etc.


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