[PATCH v2 2/3] selftests: tpm2: Reset the dictionary attack lock

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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@xxxxxxxxxxxxx>
---
 tools/testing/selftests/tpm2/tpm2_tests.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/tpm2/tpm2_tests.py b/tools/testing/selftests/tpm2/tpm2_tests.py
index 6b88ff0e47b9..ae88d8866e5d 100644
--- a/tools/testing/selftests/tpm2/tpm2_tests.py
+++ b/tools/testing/selftests/tpm2/tpm2_tests.py
@@ -104,6 +104,7 @@ class SmokeTest(unittest.TestCase):
             policy_dig = self.client.get_policy_digest(handle)
         finally:
             self.client.flush_context(handle)
+            self.client.reset_da_lock()
 
         blob = self.client.seal(self.root_key, data, auth, policy_dig)
 
-- 
2.31.1




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