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Fixed in 2019.2.X

Fixed in 2018.3.X, 2019.1.X

Votes

1

Found in

2017.4.0f1

2018.3.0b11

Issue ID

1104843

Regression

No

[iOS][Android][.NET 4.x][IL2CPP] Program crashes when creating a Thread informing a max Stack Size equal to or greater than 128k

Mobile

-

To reproduce:

1. Download attached project "ThreadStackSizeCrashTestBed.zip" and open in Unity
2. Open "start" scene
3. Set Scripting Runtime Version to .NET 4.x
4. Set Scripting Backend to IL2CPP
5. Build for iOS or Android
6. Deploy the built project to the device
7. Press "256k" or "128k" button

Expected behavior: Xcode prints these logs:

Creating Thread!
Starting Thread!
Printing from a thread!!!!!

Actual behavior: Program crashes

Notes:
- Could not check on Windows Standalone and macOS Standalone because Build fails
- This issue appears on iOS and Android (IL2CPP)
- Stack Trace is shared in Comments section§
- If you use .NET 3.5 or Mono everything works as expected

Tested with:
- iPhone 7 Plus, iOS: 12.0 - Reproduced
- iPhone X, iOS: 11.3.1 - Reproduced
- Samsung Galaxy S8 - Reproduced

Reproduced on Unity 2017.4.0f1, 2017.4.16f1, 2018.2.18f1, 2018.3.0b12 and 2019.1.0a11
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