[PATCH v4 00/15] kasan: HW_TAGS tests support and fixes

This patchset adds support for running KASAN-KUnit tests with the
hardware tag-based mode and also contains a few fixes.

Changes v3->v4:
- Fix using tabs instead of spaces in bulk tests.
- Simplify is_write calculation in report_tag_fault().
- Add a comment about tests to report_tag_fault().

Andrey Konovalov (15):
  kasan: prefix global functions with kasan_
  kasan: clarify HW_TAGS impact on TBI
  kasan: clean up comments in tests
  kasan: add macros to simplify checking test constraints
  kasan: add match-all tag tests
  kasan, arm64: allow using KUnit tests with HW_TAGS mode
  kasan: rename CONFIG_TEST_KASAN_MODULE
  kasan: add compiler barriers to KUNIT_EXPECT_KASAN_FAIL
  kasan: adapt kmalloc_uaf2 test to HW_TAGS mode
  kasan: fix memory corruption in kasan_bitops_tags test
  kasan: move _RET_IP_ to inline wrappers
  kasan: fix bug detection via ksize for HW_TAGS mode
  kasan: add proper page allocator tests
  kasan: add a test for kmem_cache_alloc/free_bulk
  kasan: don't run tests when KASAN is not enabled

 Documentation/dev-tools/kasan.rst  |  24 +-
 arch/arm64/include/asm/memory.h    |   1 +
 arch/arm64/include/asm/mte-kasan.h |  12 +
 arch/arm64/kernel/mte.c            |  12 +
 arch/arm64/mm/fault.c              |  20 +-
 include/linux/kasan-checks.h       |   6 +
 include/linux/kasan.h              |  37 ++-
 lib/Kconfig.kasan                  |   6 +-
 lib/Makefile                       |   2 +-
 lib/test_kasan.c                   | 424 +++++++++++++++++++++--------
 lib/test_kasan_module.c            |   5 +-
 mm/kasan/common.c                  |  56 ++--
 mm/kasan/generic.c                 |  38 +--
 mm/kasan/kasan.h                   |  69 +++--
 mm/kasan/quarantine.c              |  22 +-
 mm/kasan/report.c                  |  15 +-
 mm/kasan/report_generic.c          |   8 +-
 mm/kasan/report_hw_tags.c          |   8 +-
 mm/kasan/report_sw_tags.c          |   8 +-
 mm/kasan/shadow.c                  |  26 +-
 mm/kasan/sw_tags.c                 |  20 +-
 mm/mempool.c                       |   2 +-
 mm/slab.c                          |   2 +-
 mm/slab_common.c                   |  16 +-
 mm/slub.c                          |   4 +-
 tools/objtool/check.c              |   2 +-
 26 files changed, 563 insertions(+), 282 deletions(-)

-- 
2.30.0.284.gd98b1dd5eaa7-goog


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