Merge branch topic/uek-4.1/upstream-cherry-picks of git://ca-git.us.oracle.com/linux...

* topic/uek-4.1/upstream-cherry-picks:
  sched: panic on corrupted stack end
  ecryptfs: forbid opening files without mmap handler
  proc: prevent stacking filesystems on top

diff --cc fs/proc/root.c
Simple merge

diff --cc kernel/sched/core.c
Simple merge