[PATCH 00/11] kasan: HW_TAGS tests support and fixes

From: Andrey Konovalov
Date: Tue Jan 05 2021 - 13:28:59 EST


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

Andrey Konovalov (11):
kasan: prefix exported functions with kasan_
kasan: clarify HW_TAGS impact on TBI
kasan: clean up comments in tests
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: adopt kmalloc_uaf2 test to HW_TAGS mode
kasan: fix memory corruption in kasan_bitops_tags test
kasan: fix bug detection via ksize for HW_TAGS mode
kasan: add proper page allocator tests

Documentation/dev-tools/kasan.rst | 22 +-
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 | 16 +-
include/linux/kasan-checks.h | 6 +
include/linux/kasan.h | 13 ++
lib/Kconfig.kasan | 6 +-
lib/Makefile | 2 +-
lib/test_kasan.c | 312 +++++++++++++++++++++++------
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 | 13 +-
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/slab_common.c | 15 +-
tools/objtool/check.c | 2 +-
23 files changed, 484 insertions(+), 208 deletions(-)

--
2.29.2.729.g45daf8777d-goog