[PATCH 0/4] kasan: support stack instrumentation for tag-based mode

From: Andrey Konovalov
Date: Fri Jul 31 2020 - 09:20:53 EST


This goes on top of Walter's patch titled "kasan: fix KASAN unit tests
for tag-based KASAN" (already in mm tree).

Bugzilla link: https://bugzilla.kernel.org/show_bug.cgi?id=203497

Thanks to Walter Wu for debugging and testing.

Andrey Konovalov (4):
kasan: don't tag stacks allocated with pagealloc
kasan, arm64: don't instrument functions that enable kasan
kasan: allow enabling stack tagging for tag-based mode
kasan: adjust kasan_stack_oob for tag-based mode

arch/arm64/kernel/setup.c | 2 +-
init/main.c | 2 +-
kernel/fork.c | 3 ++-
lib/test_kasan.c | 2 +-
scripts/Makefile.kasan | 3 ++-
5 files changed, 7 insertions(+), 5 deletions(-)

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2.28.0.163.g6104cc2f0b6-goog