[PATCH v3 0/2] capabilities: Ambient capability patchset

[Andy Lutomirski <luto@kernel.org>]

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?

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