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Fixed

Fixed in 2021.3.40f1, 2022.3.33f1

Votes

6

Found in

2021.3.37f1

2022.3.26f1

Issue ID

UUM-72121

Regression

No

Crash on Animator_CUSTOM_SetFloatString when a Float parameter for an Animator is set in Play Mode after changing the RuntimeAnimatorController

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How to reproduce:
1. Open the “PlayableGraphCrash.zip“ project
2. Open the “SampleScene“
3. Enter the Play Mode
4. Observe the Crash

Reproducible in: 2021.3.37f1, 2022.3.26f1, 2023.2.0a8
Not reproducible in: 2023.2.19f1, 6000.0.0b16
Fixed in: 2023.2.0a9

Reproduced on: Windows 11 Pro (23H2)
Not reproduced on: No other environment tested

Notes:
- This might in part be caused by PlayableGraph or/and AnimationMixerPlayable objects, since they are essential for the reproduction
- If the “Animator.SetFloat("CrashTrigger", 1)“ method in “CrashLaunch.cs“ Script is commented out, the issue will not reproduce

First 5 lines of the stacktrace:
0x00007ff67c174a15 (Unity) Animator_CUSTOM_SetFloatString
0x00000296120852d9 (Mono JIT Code) (wrapper managed-to-native) UnityEngine.Animator:SetFloatString (UnityEngine.Animator,string,single)
0x00000296120851db (Mono JIT Code) UnityEngine.Animator:SetFloat (string,single)
0x000002961207f473 (Mono JIT Code) CrashLaunch:DoCrash () (at C:/Users/[username]/Downloads/IN-73803_PlayableGraphCrash/Assets/CrashLaunch.cs:57)
0x000002961207f0bb (Mono JIT Code) CrashLaunch:Awake () (at C:/Users/[username]/Downloads/IN-73803_PlayableGraphCrash/Assets/CrashLaunch.cs:17)
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