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Flutter 3.3.0 Fatal Exception: java.lang.AssertionError: Unexpected masked action #111068

@meomap

Description

@meomap

Steps to Reproduce

I've got fatal errors after upgrading to Flutter 3.3.0 that affect multiple devices running in production.

From what I've seen, it seems only tablet (maybe with a Stylus Pen) are affected.

Devices:

  • Galaxy Tab S6 (Lite) (Android 11, 12)
  • Galaxy Tab S7 (FE) (11, 12)
  • Galaxy Tab A with S Pen (11)
Code sample
Logs
Fatal Exception: java.lang.AssertionError: Unexpected masked action
       at io.flutter.embedding.android.AndroidTouchProcessor.getPointerChangeForAction(AndroidTouchProcessor.java:384)
       at io.flutter.embedding.android.AndroidTouchProcessor.onTouchEvent(AndroidTouchProcessor.java:124)
       at io.flutter.embedding.android.AndroidTouchProcessor.onTouchEvent(AndroidTouchProcessor.java:104)
       at io.flutter.embedding.android.FlutterView.onTouchEvent(FlutterView.java:940)
       at android.view.View.dispatchTouchEvent(View.java:15076)
       at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3917)
       at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:3581)
       at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3923)
       at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:3538)
       at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3923)
       at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:3538)
       at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3923)
       at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:3538)
       at com.android.internal.policy.DecorView.superDispatchTouchEvent(DecorView.java:1015)
       at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1962)
       at android.app.Activity.dispatchTouchEvent(Activity.java:4265)
       at com.android.internal.policy.DecorView.dispatchTouchEvent(DecorView.java:973)
       at android.view.View.dispatchPointerEvent(View.java:15335)
       at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:7794)
       at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:7567)
       at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:6901)
       at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:6958)
       at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:6924)
       at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:7122)
       at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:6932)
       at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:7179)
       at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:6905)
       at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:6958)
       at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:6924)
       at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:6932)
       at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:6905)
       at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:10354)
       at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:10202)
       at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:10158)
       at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:10486)
       at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:259)
       at android.os.MessageQueue.nativePollOnce(MessageQueue.java)
       at android.os.MessageQueue.next(MessageQueue.java:335)
       at android.os.Looper.loopOnce(Looper.java:186)
       at android.os.Looper.loop(Looper.java:313)
       at android.app.ActivityThread.main(ActivityThread.java:8663)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:567)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1135)
[✓] Flutter (Channel stable, 3.3.0, on macOS 11.6.8 20G730 darwin-x64, locale en-VN)
    • Flutter version 3.3.0 on channel stable at /Users/meomap/code/dev/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision ffccd96b62 (8 days ago), 2022-08-29 17:28:57 -0700
    • Engine revision 5e9e0e0aa8
    • Dart version 2.18.0
    • DevTools version 2.15.0

Checking Android licenses is taking an unexpectedly long time...[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
    • Android SDK at /usr/local/share/android-sdk
    • Platform android-33, build-tools 30.0.3
    • ANDROID_HOME = /usr/local/share/android-sdk
    • ANDROID_SDK_ROOT = /usr/local/share/android-sdk
    • Java binary at: /Applications/Android Studio.app/Contents/jre/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 11.0.12+0-b1504.28-7817840)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 13.0)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Build 13A233
    • CocoaPods version 1.11.2

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 2021.2)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 11.0.12+0-b1504.28-7817840)

[✓] VS Code (version 1.71.0)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.48.0

[✓] Connected device (1 available)
    • Chrome (web) • chrome • web-javascript • Google Chrome 105.0.5195.102

[✓] HTTP Host Availability
    • All required HTTP hosts are available

• No issues found!

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    P2Important issues not at the top of the work lista: productionIssues experienced in live production appsc: fatal crashCrashes that terminate the processe: device-specificOnly manifests on certain devicese: samsungIssues only reproducible on Samsung devicesengineflutter/engine related. See also e: labels.needs repro infoAutomated crash report whose cause isn't yet knownplatform-androidAndroid applications specificallyr: fixedIssue is closed as already fixed in a newer version

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