Merge tag 'hardening-v6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull hardening fixes from Kees Cook:
 "Address a KUnit stack initialization regression that got tickled on
  m68k, and solve a Clang(v14 and earlier) bug found by 0day:

   - Fix stackinit KUnit regression on m68k

   - Use ARRAY_SIZE() for memtostr*()/strtomem*()"

* tag 'hardening-v6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  string.h: Use ARRAY_SIZE() for memtostr*()/strtomem*()
  compiler.h: Introduce __must_be_byte_array()
  compiler.h: Move C string helpers into C-only kernel section
  stackinit: Fix comment for test_small_end
  stackinit: Keep selftest union size small on m68k