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From: Andy Lutomirski <luto@kernel.org>
To: Andrew Morton <akpm@linuxfoundation.org>
Cc: "Serge E. Hallyn" <serge@hallyn.com>,
	Serge Hallyn <serge.hallyn@ubuntu.com>,
	James Morris <james.l.morris@oracle.com>,
	Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
	Ted Ts'o <tytso@mit.edu>, "Andrew G. Morgan" <morgan@kernel.org>,
	Linux API <linux-api@vger.kernel.org>,
	Mimi Zohar <zohar@linux.vnet.ibm.com>,
	Michael Kerrisk <mtk.manpages@gmail.com>,
	Austin S Hemmelgarn <ahferroin7@gmail.com>,
	linux-security-module <linux-security-module@vger.kernel.org>,
	Aaron Jones <aaronmdjones@gmail.com>,
	Serge Hallyn <serge.hallyn@canonical.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Markku Savela <msa@moth.iki.fi>,
	Kees Cook <keescook@chromium.org>,
	Jonathan Corbet <corbet@lwn.net>,
	Christoph Lameter <cl@linux.com>,
	Andy Lutomirski <luto@kernel.org>
Subject: [PATCH v4 0/2] capabilities: Ambient capability patchset
Date: Tue, 14 Jul 2015 12:46:14 -0700	[thread overview]
Message-ID: <cover.1436903028.git.luto@kernel.org> (raw)

This adds ambient capabilities.  See the individual patch changelogs
for details.

Preliminary userspace code is here, but it needs updating:

https://git.kernel.org/cgit/linux/kernel/git/luto/util-linux-playground.git/commit/?h=cap_ambient&id=7f5afbd175d2

Changes from v3:
 - Rename PR_CAP_AMBIENT_READ to PR_CAP_AMBIENT_IS_SET (Michael Kerrisk)
 - Add PR_CAP_AMBIENT_CLEAR_ALL (Michael Kerrisk)
 - Add acks from v2

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      |   7 +++
 include/uapi/linux/securebits.h |  11 ++++-
 kernel/user_namespace.c         |   1 +
 security/commoncap.c            | 103 ++++++++++++++++++++++++++++++++++++----
 security/keys/process_keys.c    |   1 +
 7 files changed, 124 insertions(+), 12 deletions(-)

-- 
2.4.3

             reply	other threads:[~2015-07-14 19:46 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-14 19:46 Andy Lutomirski [this message]
2015-07-14 19:46 ` [PATCH v4 1/2] capabilities: Ambient capabilities Andy Lutomirski
     [not found]   ` <9f660ee708e58892bfa7012b6b9c840298e24544.1436903028.git.luto-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2015-07-15 11:13     ` James Morris
     [not found]       ` <alpine.LRH.2.11.1507152033420.8351-gx6/JNMH7DfYtjvyW6yDsg@public.gmane.org>
2015-07-15 17:09         ` Andy Lutomirski
     [not found]           ` <CALCETrWMBZ0p7P1FvtrYp5ChJXvvRzy0JpjS8KwUUa5m9gqgQA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-17 20:40             ` Christoph Lameter
     [not found]               ` <alpine.DEB.2.11.1507171539590.13763-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-07-17 20:50                 ` Andrew Morton
2015-07-17 23:10                   ` Kees Cook
     [not found]                     ` <CAGXu5j+V0fMae5OOHwU5DcMrG0TCANYOTfbz5+LDZZqYKcXAaw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-17 23:21                       ` Andy Lutomirski
2015-07-14 19:46 ` [PATCH v4 2/2] capabilities: Add a securebit to disable PR_CAP_AMBIENT_RAISE Andy Lutomirski

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