linux-kernel - Re: [PATCH] capabilities: Ambient capability set V2

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Message-ID: <alpine.DEB.2.11.1503090704230.25725@gentwo.org>
Date:	Mon, 9 Mar 2015 07:05:24 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	"Serge E. Hallyn" <serge@...lyn.com>
cc:	Andy Lutomirski <luto@...capital.net>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	Jonathan Corbet <corbet@....net>,
	Aaron Jones <aaronmdjones@...il.com>,
	LSM List <linux-security-module@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...uxfoundation.org>,
	"Andrew G. Morgan" <morgan@...nel.org>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Austin S Hemmelgarn <ahferroin7@...il.com>,
	Markku Savela <msa@...h.iki.fi>,
	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
	Linux API <linux-api@...r.kernel.org>,
	Michael Kerrisk <mtk.manpages@...il.com>
Subject: Re: [PATCH] capabilities: Ambient capability set V2

On Sat, 7 Mar 2015, Serge E. Hallyn wrote:

> > The ancestor here is ambient_test and when it is run pI will not be set
> > despite the cap setting.
>
> ambient_test is supposed to set it.

I thought the setcap +i would do it.

So the setcap and setting of the file inheritance bits has no effect on
pI? When the process starts pI is off despite fI being set?
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