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Fixed in 2022.3.15f1, 2023.2.1f1, 2023.3.0a13
Votes
0
Found in
2022.3.3f1
2023.1.1f1
2023.2.0a20
2024.1.0a1
Issue ID
UUM-40624
Regression
Yes
Crash on UndoManager::RegisterUndo when attaching a script with MonoBehaviour.Reset() function that changes the GameObject's properties
Reproduction steps:
1. Open the attached project “CrashRepro“
2. Drag ”Assets/NewScript.cs” on “TestingObject“ in the Hierarchy window
Expected result: Script gets added to “TestingObject“ or an error is thrown
Actual result: Editor crashes
Reproducible with: 2022.1.0a12, 2022.3.3f1, 2023.1.1f1, 2023.2.0a20
Not reproducible with: 2021.3.27f1, 2022.1.0a11 - “Can’t add script 'NewScript' to the GameObject 'TestingObject' because it has destroyed itself in Awake or OnEnable“ window appears
Reproducible on: Windows 10
First few lines of Stack Trace:
{noformat}0x00007ff68c29c146 (Unity) UndoManager::RegisterUndo
0x00007ff68c27c603 (Unity) PostAddComponentUndo
0x00007ff68c27735e (Unity) AddComponentUndoable
0x00007ff68bd796df (Unity) AddDefaultComponent
0x00007ff68bd79849 (Unity) AddDefaultComponent
0x00007ff68c1371b6 (Unity) AddComponentMenu::AddComponentToGameObjects{noformat}
Note: Editor does not crash and throws an error when resetting the attached script component from 2022.2.0a3 and above
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Resolution Note (fix version 2023.3.0a13):
Added detection within AddComponent of scripts that potentially destroy the object during Reset.
Resolution Note (fix version 2023.2.1f1):
Added detection within AddComponent of scripts that potentially destroy the object during Reset.