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

Pull general security subsystem updates from James Morris:
 "TPM (from Jarkko):
   - essential clean up for tpm_crb so that ARM64 and x86 versions do
     not distract each other as much as before

   - /dev/tpm0 rejects now too short writes (shorter buffer than
     specified in the command header

   - use DMA-safe buffer in tpm_tis_spi

   - otherwise mostly minor fixes.

  Smack:
   - base support for overlafs

  Capabilities:
   - BPRM_FCAPS fixes, from Richard Guy Briggs:

     The audit subsystem is adding a BPRM_FCAPS record when auditing
     setuid application execution (SYSCALL execve). This is not expected
     as it was supposed to be limited to when the file system actually
     had capabilities in an extended attribute. It lists all
     capabilities making the event really ugly to parse what is
     happening. The PATH record correctly records the setuid bit and
     owner. Suppress the BPRM...