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Won't Fix
Votes
0
Found in
2021.2
2021.2.9f1
2022.1
2022.2
Issue ID
1410334
Regression
No
Editor crashes with no stack trace when loading a new scene in Awake() function
Reproduction steps:
1. Open users attached project
2. Open /_DreamIsland/_Scenes/Title
3. Enter and Exit the Play Mode twice
Expected result: A new scene is loaded
Actual result: Editor crashes
Reproducible with: 2021.2.17f1, 2022.1.0b13, 2022.2.0a8
Could not test with: 2019.4.37f1, 2020.3.31f1 (could not downgrade the project)
Note: sometimes it might take multiple tries for Editor to crash
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Resolution Note:
The crash happens in cri_ware_unity.dll!00007ffe85bc55f0() which seems to be a native plugin made by https://www.criware.com/en/
From my investigation this happens in:
```
private void SceneLoaded(Scene nextScene, LoadSceneMode mode)
{
if (nextScene.name==$"{SceneStateEnum.Title}")
{
bgmManager.PlayAndStopBgm(BgmEnum.TitleBGM, false);
}else if(nextScene.name==$"{SceneStateEnum.Tutorial}")
{
bgmManager.PlayAndStopBgm(BgmEnum.TutorialBGM, true);
}
}
```
because `bgmManager` is null and it calls into native code without any check.
By reading the code I see it adds a `sceneLoaded` callback, but it doesn't remove it.
```
private void Awake()
{
SceneManager.sceneLoaded += SceneLoaded;
}
```
This callback will remain registered and `SceneLoaded` will be called every time a new scene is loaded. Adding
```
private void OnDestroy()
{
SceneManager.sceneLoaded -= SceneLoaded;
}
```
solves the issue, but I think a bug report should be filed to the native plugin maintainers to make sure they handle calls on null pointers