[GIT PULL] seccomp updates for v4.14-rc2

[Kees Cook]

Hi,

This is a direct seccomp pull request (similar to SELinux's for the v4.14
window); it's the same series that I sent to James earlier (notes below).

Please pull these seccomp changes for v4.14-rc2.

Thanks!

-Kees

The following changes since commit 520eccdfe187591a51ea9ab4c1a024ae4d0f68d9:

  Linux 4.13-rc2 (2017-07-23 16:15:17 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/seccomp-v4.14-rc2

for you to fetch changes up to 6849243bf4c6155151b294e9f0e0dc9540d6f083:

  samples: Unrename SECCOMP_RET_KILL (2017-08-16 20:26:57 -0700)

----------------------------------------------------------------
Major additions:
- sysctl and seccomp operation to discover available actions. (tyhicks)
- new per-filter configurable logging infrastructure and sysctl. (tyhicks)
- SECCOMP_RET_LOG to log allowed syscalls. (tyhicks)
- SECCOMP_RET_KILL_PROCESS as the new strictest possible action.
- self-tests for new behaviors.

----------------------------------------------------------------
Kees Cook (9):
      selftests/seccomp: Add tests for basic ptrace actions
      selftests/seccomp: Add simple seccomp overhead benchmark
      selftests/seccomp: Refactor RET_ERRNO tests
      seccomp: Provide matching filter for introspection
      seccomp: Rename SECCOMP_RET_KILL to SECCOMP_RET_KILL_THREAD
      seccomp: Introduce SECCOMP_RET_KILL_PROCESS
      seccomp: Implement SECCOMP_RET_KILL_PROCESS action
      selftests/seccomp: Test thread vs process killing
      samples: Unrename SECCOMP_RET_KILL

Tyler Hicks (6):
      seccomp: Sysctl to display available actions
      seccomp: Operation for checking if an action is available
      seccomp: Sysctl to configure actions that are allowed to be logged
      seccomp: Selftest for detection of filter flag support
      seccomp: Filter flag to log all actions except SECCOMP_RET_ALLOW
      seccomp: Action to log before allowing

 Documentation/networking/filter.txt                |   2 +-
 Documentation/sysctl/kernel.txt                    |   1 +
 Documentation/userspace-api/seccomp_filter.rst     |  52 +-
 include/linux/audit.h                              |   6 +-
 include/linux/seccomp.h                            |   3 +-
 include/uapi/linux/seccomp.h                       |  23 +-
 kernel/seccomp.c                                   | 321 ++++++++++-
 tools/testing/selftests/seccomp/Makefile           |  18 +-
 .../testing/selftests/seccomp/seccomp_benchmark.c  |  99 ++++
 tools/testing/selftests/seccomp/seccomp_bpf.c      | 610 +++++++++++++++++----
 10 files changed, 1006 insertions(+), 129 deletions(-)
 create mode 100644 tools/testing/selftests/seccomp/seccomp_benchmark.c

-- 
Kees Cook
Pixel Security