On 8/28/20 6:46 PM, Boyan Karatotev wrote:
Kernel documentation states that it will change PAuth keys on exec() calls.
Verify that all keys are correctly switched to new ones.
Cc: Shuah Khan shuah@kernel.org Cc: Catalin Marinas catalin.marinas@arm.com Cc: Will Deacon will@kernel.org Signed-off-by: Boyan Karatotev boyan.karatotev@arm.com
The changes look fine so, Reviewed-by: Amit Daniel Kachhap amit.kachhap@arm.com
tools/testing/selftests/arm64/pauth/Makefile | 4 + .../selftests/arm64/pauth/exec_target.c | 35 +++++ tools/testing/selftests/arm64/pauth/helper.h | 10 ++ tools/testing/selftests/arm64/pauth/pac.c | 148 ++++++++++++++++++ 4 files changed, 197 insertions(+) create mode 100644 tools/testing/selftests/arm64/pauth/exec_target.c
diff --git a/tools/testing/selftests/arm64/pauth/Makefile b/tools/testing/selftests/arm64/pauth/Makefile index a017d1c8dd58..2e237b21ccf6 100644 --- a/tools/testing/selftests/arm64/pauth/Makefile +++ b/tools/testing/selftests/arm64/pauth/Makefile @@ -5,6 +5,7 @@ CFLAGS += -mbranch-protection=pac-ret