NPE on ClientMonitor.stop using Biometric library [174048811]

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Bug

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Description

ey...@gmail.com

created issue #1

Nov 24, 2020 01:13AM

Got a crash report from a Moto G(6) running Android 9. Can't repro, but it looks like it happened after the Activity that we show the biometric dialog in was paused.

Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'int com.android.server.fingerprint.ClientMonitor.stop(boolean)' on a null object reference
       at android.os.Parcel.createException(Parcel.java:1956)
       at android.os.Parcel.readException(Parcel.java:1918)
       at android.os.Parcel.readException(Parcel.java:1868)
       at android.app.IActivityManager$Stub$Proxy.activityPaused(IActivityManager.java:3930)
       at android.app.servertransaction.PauseActivityItem.postExecute(PauseActivityItem.java:63)
       at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:146)
       at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:70)
       at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1977)
       at android.os.Handler.dispatchMessage(Handler.java:106)
       at android.os.Looper.loop(Looper.java:193)
       at android.app.ActivityThread.main(ActivityThread.java:6923)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:870)

Caused by android.os.RemoteException: Remote stack trace:
	at com.android.server.fingerprint.FingerprintService$5.onTaskStackChanged(FingerprintService.java:265)
	at com.android.server.am.TaskChangeNotificationController.lambda$new$0(TaskChangeNotificationController.java:70)
	at com.android.server.am.-$$Lambda$TaskChangeNotificationController$kftD881t3KfWCASQEbeTkieVI2M.accept(Unknown Source:0)
	at com.android.server.am.TaskChangeNotificationController.forAllLocalListeners(TaskChangeNotificationController.java:263)
	at com.android.server.am.TaskChangeNotificationController.notifyTaskStackChanged(TaskChangeNotificationController.java:276)

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se...@gratisbroker.de <se...@gratisbroker.de> #2Nov 28, 2023 12:04PM

It has crashed again, now on Galaxy S9 (Android: 10, Android Build: QP1A.190711.020, Model: SM-G960W)

java.security.ProviderException: Keystore operation failed
at android.security.keystore.AndroidKeyStoreKeyGeneratorSpi.engineGenerateKey(AndroidKeyStoreKeyGeneratorSpi.java:386)
at javax.crypto.KeyGenerator.generateKey(KeyGenerator.java:612)
at androidx.biometric.CryptoObjectUtils.createFakeCryptoObject(CryptoObjectUtils.java:256)
at androidx.biometric.BiometricManager.canAuthenticateWithStrongBiometricOnApi29(BiometricManager.java:419)
at androidx.biometric.BiometricManager.canAuthenticateCompat(BiometricManager.java:386)
at {packageName}.fingerprint.BiometricUtils.getBiometricSupportLevelForLogin(BiometricUtils.java:3343)
at androidx.biometric.BiometricManager.canAuthenticate(BiometricManager.java:343)
at {packageName}.fingerprint.BiometricUtils.getBiometricSupportLevelForLogin(BiometricUtils.java:19)
at {packageName}.domain.biometrics.GetBiometricsSupportForLoginInteractor.execute(GetBiometricsSupportForLoginInteractor.java:13)
at {packageName}.ui.settings.SettingsViewModel$$special$$inlined$apply$lambda$1$1.invoke(SettingsViewModel.java:85)
at {packageName}.ui.settings.SettingsViewModel$$special$$inlined$apply$lambda$1$1.invokeSuspend(SettingsViewModel.java:85)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(BaseContinuationImpl.java:33)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.java:106)
at kotlinx.coroutines.scheduling.CoroutineScheduler.submitToLocalQueue(CoroutineScheduler.java:571)
at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.java:571)
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.java:9738)
Caused by: android.security.KeyStoreException: 16
at android.security.KeyStore.getKeyStoreException(KeyStore.java:1552)
at android.security.keystore.AndroidKeyStoreKeyGeneratorSpi.engineGenerateKey(AndroidKeyStoreKeyGeneratorSpi.java:386)
at javax.crypto.KeyGenerator.generateKey(KeyGenerator.java:612)
at androidx.biometric.CryptoObjectUtils.createFakeCryptoObject(CryptoObjectUtils.java:256)
at androidx.biometric.BiometricManager.canAuthenticateWithStrongBiometricOnApi29(BiometricManager.java:419)
at androidx.biometric.BiometricManager.canAuthenticateCompat(BiometricManager.java:386)
at {packageName}.fingerprint.BiometricUtils.getBiometricSupportLevelForLogin(BiometricUtils.java:3343)
at androidx.biometric.BiometricManager.canAuthenticate(BiometricManager.java:343)
at {packageName}.fingerprint.BiometricUtils.getBiometricSupportLevelForLogin(BiometricUtils.java:19)
at {packageName}.domain.biometrics.GetBiometricsSupportForLoginInteractor.execute(GetBiometricsSupportForLoginInteractor.java:13)
at {packageName}.ui.settings.SettingsViewModel$$special$$inlined$apply$lambda$1$1.invoke(SettingsViewModel.java:85)
at {packageName}.ui.settings.SettingsViewModel$$special$$inlined$apply$lambda$1$1.invokeSuspend(SettingsViewModel.java:85)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(BaseContinuationImpl.java:33)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.java:106)
at kotlinx.coroutines.scheduling.CoroutineScheduler.submitToLocalQueue(CoroutineScheduler.java:571)
at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.java:571)
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.java:9738)

Issue 174048811

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se...@gratisbroker.de <se...@gratisbroker.de> #2Nov 28, 2023 12:04PM

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