[PATCH v4 0/3] kasan: add memory corruption identification support for hw tag-based kasan

From: Kuan-Ying Lee
Date: Sat Jun 26 2021 - 06:09:54 EST


Add memory corruption identification for hardware tag-based KASAN mode.

Changes since v4:
- Change report_tags.h to report_tags.c
- Refine the commit message
- Test lib/test_kasan module with SW_TAGS mode
- Test lib/test_kasan module with HW_TAGS mode
- Rebase to latest linux-next

Changes since v3:
- Preserve Copyright from hw_tags.c/sw_tags.c and
report_sw_tags.c/report_hw_tags.c
- Make non-trivial change in kasan sw tag-based mode

Changes since v2:
- Thanks for Marco's Suggestion
- Rename the CONFIG_KASAN_SW_TAGS_IDENTIFY
- Integrate tag-based kasan common part
- Rebase to latest linux-next

Kuan-Ying Lee (3):
kasan: rename CONFIG_KASAN_SW_TAGS_IDENTIFY to
CONFIG_KASAN_TAGS_IDENTIFY
kasan: integrate the common part of two KASAN tag-based modes
kasan: add memory corruption identification support for hardware
tag-based mode

lib/Kconfig.kasan | 4 +--
mm/kasan/Makefile | 4 +--
mm/kasan/hw_tags.c | 22 ---------------
mm/kasan/kasan.h | 4 +--
mm/kasan/report_hw_tags.c | 5 ----
mm/kasan/report_sw_tags.c | 43 ----------------------------
mm/kasan/report_tags.c | 51 +++++++++++++++++++++++++++++++++
mm/kasan/sw_tags.c | 41 ---------------------------
mm/kasan/tags.c | 59 +++++++++++++++++++++++++++++++++++++++
9 files changed, 116 insertions(+), 117 deletions(-)
create mode 100644 mm/kasan/report_tags.c
create mode 100644 mm/kasan/tags.c

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2.18.0