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Fixed in Unity 2018.3



Found in


Issue ID




[Shuriken] Editor crashes on resetting Particle system properties via cogwheel




Priority: 1Fix for next beta/patch release build


Severity: 1Crash, freeze, data loss, work stops

Editor crashes on resetting Particle system properties via cogwheel.

Steps to reproduce:
1. Create a new project.
2. Right-click in Hierarchy window > Effects > Particle System.
2. Create a Cube GO and add Particle System component to it in the inspector.
3. Change any Particle System property in the inspector (Ex. Change 'Duration' value to 3.00).
4. Reset properties via cogwheel.

Note: Video is attached for the reference.

Actual Result:
Editor crashes on resetting Particle System properties.

Expected Result:
Unity should not crash and properties should reset.

Reproducible in:
2019.2.0a6, 2019.1.0b5, 2019.1.0a15

Not reproducible in:
2019.1.0a14, 2018.3.0f2

Occurring on Windows only.

========== OUTPUTTING STACK TRACE ==================
Stack Trace of Crashed Thread 5416:
0x00007FF6C7D9CB5E (Unity) PAL_Memory_Free
0x00007FF6C9174D28 (Unity) PAL_Timer_WaitForAtLeast
ERROR: SymGetSymFromAddr64, GetLastError: 'Attempt to access invalid address.' (Address: 00007FF6C554A1AF)
0x00007FF6C554A1AF (Unity) (function-name not available)
ERROR: SymGetSymFromAddr64, GetLastError: 'Attempt to access invalid address.' (Address: 00007FF6C557C441)
0x00007FF6C557C441 (Unity) (function-name not available)
0x00007FF6C7823C0E (Unity) PAL_Memory_Free
0x00007FF6C62EB152 (Unity) PAL_Memory_Free
0x00007FF6C5F005D0 (Unity) PAL_Memory_Free
0x00007FF6C62AF88C (Unity) PAL_Memory_Free
0x00007FF6C6823FAD (Unity) PAL_Memory_Free
0x00007FF6C68330B4 (Unity) PAL_Memory_Free
0x00007FF6C63CFEEC (Unity) PAL_Memory_Free
0x00007FF6C682A4DC (Unity) PAL_Memory_Free
0x00007FF6C6835B9D (Unity) PAL_Memory_Free
0x00007FF6C6575272 (Unity) PAL_Memory_Free
0x00007FF6C65720D8 (Unity) PAL_Memory_Free
0x00007FF6C6831F43 (Unity) PAL_Memory_Free
0x00007FF6C683B8F7 (Unity) PAL_Memory_Free
0x00007FF6C9151D3E (Unity) PAL_Timer_WaitForAtLeast
0x00007FF8B55C3DC4 (KERNEL32) BaseThreadInitThunk
0x00007FF8B7A23691 (ntdll) RtlUserThreadStart

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