On Sat, Nov 27, 2021 at 11:10:52PM -0500, Stefan Berger wrote:
From: Stefan Berger stefanb@linux.ibm.com
Reset the dictionary attack lock to avoid the following types of test failures after running the test 2 times:
====================================================================== ERROR: test_unseal_with_wrong_policy (tpm2_tests.SmokeTest)
Traceback (most recent call last): File "/root/linux-ima-namespaces/tools/testing/selftests/tpm2/tpm2_tests.py", line 105, in test_unseal_with_wrong_policy blob = self.client.seal(self.root_key, data, auth, policy_dig) File "/root/linux-ima-namespaces/tools/testing/selftests/tpm2/tpm2.py", line 620, in seal rsp = self.send_cmd(cmd) File "/root/linux-ima-namespaces/tools/testing/selftests/tpm2/tpm2.py", line 397, in send_cmd raise ProtocolError(cc, rc) tpm2.ProtocolError: TPM_RC_LOCKOUT: cc=0x00000153, rc=0x00000921
Signed-off-by: Stefan Berger stefanb@linux.ibm.com
tools/testing/selftests/tpm2/tpm2_tests.py | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/tpm2/tpm2_tests.py b/tools/testing/selftests/tpm2/tpm2_tests.py index e63a37819978..ad6f54c01adf 100644 --- a/tools/testing/selftests/tpm2/tpm2_tests.py +++ b/tools/testing/selftests/tpm2/tpm2_tests.py @@ -139,6 +139,8 @@ class SmokeTest(unittest.TestCase): except: self.client.flush_context(handle) raise
finally:self.client.reset_da_lock()self.assertEqual(rc, tpm2.TPM2_RC_POLICY_FAIL) -- 2.31.1
I don't agree with this as a DA lock has legit use. This would be adequate for systems dedicated for kernel testing only.
We could make this available in the folder where TPM2 tests are:
https://git.kernel.org/pub/scm/linux/kernel/git/jarkko/tpm2-scripts.git/tree...
/Jarkko