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Subject[PATCH =v2 3/3] tpm: selftest: cleanup after unseal with wrong auth/policy test
Unseal with wrong auth or wrong policy test affects DA lockout
and eventually causes the tests to fail with:
"ProtocolError: TPM_RC_LOCKOUT: rc=0x00000921"
when the tests run multiple times.
Send tpm clear command after the test to reset the DA counters.

Signed-off-by: Tadeusz Struk <>
tools/testing/selftests/tpm2/ | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/tools/testing/selftests/tpm2/ b/tools/testing/selftests/tpm2/
index cb54ab637ea6..8155c2ea7ccb 100755
--- a/tools/testing/selftests/tpm2/
+++ b/tools/testing/selftests/tpm2/
@@ -3,3 +3,8 @@

python -m unittest -v tpm2_tests.SmokeTest
python -m unittest -v tpm2_tests.AsyncTest
+CLEAR_CMD=$(which tpm2_clear)
+if [ -n $CLEAR_CMD ]; then
+ tpm2_clear -T device
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