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[0/2] lkdtm/bugs: Check that a per-task stack canary exists

Message ID 20211022223826.330653-1-keescook@chromium.org (mailing list archive)
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Series lkdtm/bugs: Check that a per-task stack canary exists | expand

Message

Kees Cook Oct. 22, 2021, 10:38 p.m. UTC 
Hi,

This adds a test for per-task stack canaries to help verify the latest
work in this area for arm[1]. Most architectures already support this
under GCC, though there are some that are still lagging[2].

-Kees

[1] https://lore.kernel.org/r/20211021142516.1843042-1-ardb@kernel.org
[2] https://github.com/KSPP/linux/issues/29

Kees Cook (2):
  selftests/lkdtm: Add way to repeat a test
  lkdtm/bugs: Check that a per-task stack canary exists

 drivers/misc/lkdtm/bugs.c               | 77 +++++++++++++++++++++++++
 drivers/misc/lkdtm/core.c               |  1 +
 drivers/misc/lkdtm/lkdtm.h              |  1 +
 tools/testing/selftests/lkdtm/config    |  1 +
 tools/testing/selftests/lkdtm/run.sh    | 10 +++-
 tools/testing/selftests/lkdtm/tests.txt |  1 +
 6 files changed, 90 insertions(+), 1 deletion(-)