Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

Pull key fixes from James Morris:

 - fix a buffer overflow when displaying /proc/keys [CVE-2016-7042].

 - fix broken initialisation in the big_key implementation that can
   result in an oops.

 - make big_key depend on having a random number generator available in
   Kconfig.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  security/keys: make BIG_KEYS dependent on stdrng.
  KEYS: Sort out big_key initialisation
  KEYS: Fix short sprintf buffer in /proc/keys show function