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Won't Fix

Votes

0

Found in [Package]

1.2.X

1.3.0-pre.4 - Entities

7000.0.0a1

Issue ID

ECSB-1319

Regression

No

Crash on "CallWindowProcW" when an image is added to a SubScene through the file browser in Play mode

Package: Entity Component System (ECS)

-

How to reproduce:
1. Open the “IN-83784_repro“ project
2. Open the “InGameScene“
3. Enter Play mode
4. Enable the “Canvas“ component in “Canvas_Main“ GameObject
5. In the Game view, select the “png“ button
6. In the file browser window, select IN-83784/Asstes/testingBG.png
7. Exit the Play mode
8. Open the “test.cs“ script and add a space
9. Save the script

Expected result: The Editor runs
Actual result: The Editor crashes

Reproducible with: 1.2.3 (2022.3.38f1), 1.2.4 (2022.3.46f1), 1.3.0-pre.4 (2022.3.46f1)

Reproducible on: Windows 10
Not reproducible on: No other environment tested

A few lines of the Stack Trace:
0x00007FF93CF7EF5C (USER32) CallWindowProcW
0x00007FF93CF7E8CC (USER32) DispatchMessageW
0x00007FF93CF910C3 (USER32) SendMessageTimeoutW
0x00007FF93EE913E4 (ntdll) KiUserCallbackDispatcher

Notes:
- Sometimes the Stack trace can be missing
- Sometimes it might take around 10 seconds for the Editor to crash

  1. Resolution Note:

    The crash is not related to the entities package or even Unity. If I am commenting the call to open the file dialog in the class ImageToTiles.ReadTexture(), there is no issue. It is most likely coming from the Windows API being used to open the dialog (https://learn.microsoft.com/en-us/dotnet/api/system.windows.forms.openfiledialog?view=windowsdesktop-9.0).
    The stack trace of the crash is referring to some windows API.

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