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Fixed in 2021.3.14f1, 2022.1.23f1, 2022.2.0b11, 2023.1.0a15



Found in





Issue ID




Crash on mono_traverse_objects when using AppDomain.Unload and trying to load dll file



Reproduction steps:
1. Open the user's attached project
2. Open the "Main" Scene
3. Enter Play Mode
4. Press 'Q' when the scene fully loads
5. Wait for a few seconds until IOException is thrown in the Console
6. Exit Play Mode

Expected result: Play Mode is exited successfully
Actual result: The Editor crashes

Reproducible with: 2021.3.9f1, 2022.1.14f1, 2022.2.0b5, 2023.1.0a6

Reproducible on: Windows 11

- may take a few times for the crash to reproduce
- 'IOException: Win32 IO returned 1224.' is thrown after pressing the 'Q' button on keyboard

First lines of stacktrace:
0x00007ffcb8a52af1 (mono-2.0-bdwgc) \[unity-liveness.c:482] mono_traverse_objects
0x00007ffcb8a52af1 (mono-2.0-bdwgc) \[unity-liveness.c:482] mono_traverse_objects
0x00007ffcb8a52b3a (mono-2.0-bdwgc) \[unity-liveness.c:482] mono_traverse_objects
0x00007ffcb8a53b01 (mono-2.0-bdwgc) \[unity-liveness.c:684] mono_unity_liveness_calculation_from_statics
0x00007ff6f34fad00 (Unity) GarbageCollectSharedAssets

  1. Resolution Note (fix version 2023.1.0a15):

    Fixed in: 2023.1.0a15

  2. Resolution Note (fix version 2022.2.0b11):

    Fixed in: 2022.2.0b11

  3. Resolution Note (fix version 2021.3.14f1):

    Fixed in: 2021.3.14f1

Comments (1)

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    Aug 30, 2022 00:56

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