Merge tag 'hardening-v7.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linuxHEADmaster

Pull hardening updates from Kees Cook:

 - Provide kmalloc_obj*-style API for devm_kmalloc()

 - Improve seq_buf API for saner C String handling with several bug
   fixes along the way (Kees Cook, Bill Wendling)

 - Overflow helper readability improvements (Bill Wendling)

 - Unexport native_write_cr4() (Dennis Chen)

 - um: fix CONFIG_GCOV for built-in code (Johannes Berg)

 - Improve stackinit test coverage (Justin Stitt)

 - KMSAN: fix memset() when using fortify-source, again (Arnd Bergmann)

 - lkdtm: use kmalloc() instead of __get_free_page (Mahad Ibrahim)

 - signalfd: don't dequeue the forced fatal signals (Oleg Nesterov)

 - Fix randstruct to recognize new container_of() behavior

 - coccinelle: kmalloc_obj: Convert multi-byte integral allocations too

 - Fix a couple remaining allocation return type mismatches

* tag 'hardening-v7.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (29 commits)
  overflow: Match arithmetic in both parts of __builtin_choose_expr
  lkdtm: Make UNSET_SMEP built-in-only and unexport native_write_cr4()
  extcon: realtek: Remove const from type_c_cfg allocation type
  coresight: cti: Add const to con_groups allocation type
  docs: core-api: Document the seq_buf API
  nvdimm: ndtest: Return the string length from flags_show()
  powerpc/papr_scm: Return the string length from the sysfs show functions
  seq_buf: Add seq_buf_init_append()
  bpf: Remove dead newline stripping from format_disasm_line()
  seq_buf: Add seq_buf_terminate()
  seq_buf: Add seq_buf_strlen()
  seq_buf: Clear what a writer did not claim when a seq_buf overflows
  seq_buf: Copy what fits when seq_buf_puts() and seq_buf_putmem() overflow
  scsi: lpfc: Print rx monitor records straight into the seq_buf
  seq_buf: Do not pop from an overflowed seq_buf
  seq_buf: Do not print an empty line from an overflowed seq_buf_do_printk()
  .get_maintainer.ignore: Add Kees Cook
  devres: Provide kmalloc_obj*-style API for devm_kmalloc
  mm: Move default_gfp() into gfp_types.h
  kunit/stackinit: Clean up XFAIL under instrumentation
  ...

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