[0/3] ubsan: Split out bounds checker

Message

Kees Cook Nov. 20, 2019, 1:06 a.m. UTC

This splits out the bounds checker so it can be individually used. This
is expected to be enabled in Android and hopefully for syzbot. Includes
LKDTM tests for behavioral corner-cases.

-Kees

Kees Cook (3):
  ubsan: Add trap instrumentation option
  ubsan: Split "bounds" checker from other options
  lkdtm/bugs: Add arithmetic overflow and array bounds checks

 drivers/misc/lkdtm/bugs.c  | 75 ++++++++++++++++++++++++++++++++++++++
 drivers/misc/lkdtm/core.c  |  3 ++
 drivers/misc/lkdtm/lkdtm.h |  3 ++
 lib/Kconfig.ubsan          | 34 ++++++++++++++++-
 lib/Makefile               |  2 +
 scripts/Makefile.ubsan     | 16 ++++++--
 6 files changed, 128 insertions(+), 5 deletions(-)