[git pull] vfs.git ipc stuff

[Al Viro]

IPC copyin/copyout sanitizing, including 64bit time_t work from Deepa
Dinamani.

One trivial conflict (in ipc/shm.c)

The following changes since commit 5771a8c08880cdca3bfb4a3fc6d309d6bba20877:

  Linux v4.13-rc1 (2017-07-15 15:22:10 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.ipc

for you to fetch changes up to aaed2dd8a31359e5767ee099ecbb078d55be4d29:

  utimes: Make utimes y2038 safe (2017-09-03 20:24:30 -0400)

----------------------------------------------------------------
Al Viro (12):
      shmctl: split the work from copyin/copyout
      ipc: move compat shmctl to native
      msgctl(): split the actual work from copyin/copyout
      msgctl(): move compat to native
      semctl(): separate all layout-dependent copyin/copyout
      semctl(): move compat to native
      ipc: make use of compat ipc_perm helpers
      ipc(2): move compat to native
      msgrcv(2), msgsnd(2): move compat to native
      shmat(2): move compat to native
      semtimedop(): move compat to native
      get rid of SYSVIPC_COMPAT on ia64

Deepa Dinamani (6):
      ipc: Make sys_semtimedop() y2038 safe
      ipc: mqueue: Replace timespec with timespec64
      ipc: msg: Make msg_queue timestamps y2038 safe
      ipc: sem: Make sem_array timestamps y2038 safe
      ipc: shm: Make shmid_kernel timestamps y2038 safe
      utimes: Make utimes y2038 safe

 arch/ia64/Kconfig.debug |   5 -
 fs/utimes.c             |  23 +-
 include/linux/audit.h   |   6 +-
 include/linux/compat.h  |   9 -
 include/linux/msg.h     |  15 +-
 include/linux/sem.h     |   3 +-
 include/linux/shm.h     |   6 +-
 include/linux/time.h    |   2 +-
 init/initramfs.c        |   2 +-
 ipc/compat.c            | 740 +++---------------------------------------------
 ipc/mqueue.c            |  28 +-
 ipc/msg.c               | 366 ++++++++++++++++--------
 ipc/sem.c               | 344 ++++++++++++++--------
 ipc/shm.c               | 533 +++++++++++++++++++++++-----------
 ipc/syscall.c           |  90 +++++-
 ipc/util.h              |  30 ++
 kernel/audit.h          |   2 +-
 kernel/auditsc.c        |  12 +-
 kernel/compat.c         |  23 --
 19 files changed, 1044 insertions(+), 1195 deletions(-)