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

Message

Kuan-Ying Lee (李冠穎) June 26, 2021, 10:09 a.m. UTC

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