linux-kernel - Re: [PATCH v3 0/2] capabilities: Ambient capability patchset

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Message-ID: <CALCETrW8s8eCAK_Ei=H27KQq-BynbTBPdA9qVjYRZ=Vu4Dif+g@mail.gmail.com>
Date:	Thu, 4 Jun 2015 12:33:18 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Andy Lutomirski <luto@...nel.org>
Cc:	Serge Hallyn <serge.hallyn@...ntu.com>,
	Andrew Morton <akpm@...uxfoundation.org>,
	James Morris <james.l.morris@...cle.com>,
	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
	"Ted Ts'o" <tytso@....edu>, "Andrew G. Morgan" <morgan@...nel.org>,
	Linux API <linux-api@...r.kernel.org>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Michael Kerrisk <mtk.manpages@...il.com>,
	Austin S Hemmelgarn <ahferroin7@...il.com>,
	linux-security-module <linux-security-module@...r.kernel.org>,
	Aaron Jones <aaronmdjones@...il.com>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Markku Savela <msa@...h.iki.fi>,
	Kees Cook <keescook@...omium.org>,
	Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH v3 0/2] capabilities: Ambient capability patchset

On Wed, May 27, 2015 at 4:47 PM, Andy Lutomirski <luto@...nel.org> wrote:
> This adds ambient capabilities.  See the individual patch changelogs
> for details.
>
> Preliminary userspace code is here:
>
> https://git.kernel.org/cgit/linux/kernel/git/luto/util-linux-playground.git/commit/?h=cap_ambient&id=7f5afbd175d2
>
> James or akpm, I think this is ready for 4.2.  Can one of you queue it up?

akpm / James: Ping?  Do I need more acks?

--Andy

>
> Thanks,
> Andy
>
> Changes from v2:
>  - Improve the patch 1 changelog a bit.
>  - Add acks.
>  - Add comment clarifying the pE' rule.
>  - s/except/expect
>
> Changes from v1:
>  - Lots of cleanups to the ambient cap code.
>  - The securebit is new.
>
> Andy Lutomirski (2):
>   capabilities: Ambient capabilities
>   capabilities: Add a securebit to disable PR_CAP_AMBIENT_RAISE
>
>  fs/proc/array.c                 |  5 ++-
>  include/linux/cred.h            |  8 ++++
>  include/uapi/linux/prctl.h      |  6 +++
>  include/uapi/linux/securebits.h | 11 ++++-
>  kernel/user_namespace.c         |  1 +
>  security/commoncap.c            | 92 ++++++++++++++++++++++++++++++++++++-----
>  security/keys/process_keys.c    |  1 +
>  7 files changed, 112 insertions(+), 12 deletions(-)
>
> --
> 2.1.0
>



-- 
Andy Lutomirski
AMA Capital Management, LLC
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