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Fixed in 2021.2.X

Fixed in 2018.4.X, 2019.4.X, 2020.3.X, 2021.1.X

Votes

2

Found in

2018.4

2019.4

2020.2

2020.2.2f1

2021.1

2021.2

Issue ID

1315058

Regression

No

Crash on il2cpp::vm::LivenessState::AddProcessObject when running Photon Bolt server and reloading scene in build

IL2CPP

-

How to reproduce:
1. Open the user's attached project from "BoltTest.zip"
2. Build project by navigating to File > Build Settings > Build and run
3. In build press key "S", wait for at least a second, and press "R"

Reproducible with: 2018.4.32f1, 2019.4.21f1, 2020.2.7f1, 2021.1.0b9, 2021.2.0a7

First lines of stack trace:
0x00007FF9BEA4AE67 (GameAssembly) [C:\Program Files\Unity\2019.4.21f1_b76dac84db26\Data\il2cpp\libil2cpp\vm\Liveness.cpp:335] il2cpp::vm::LivenessState::AddProcessObject
0x00007FF9BEA6A974 (GameAssembly) [C:\Program Files\Unity\2019.4.21f1_b76dac84db26\Data\il2cpp\libil2cpp\vm\Liveness.cpp:147] il2cpp::vm::LivenessState::TraverseObjects
0x00007FF9BEA4F770 (GameAssembly) [C:\Program Files\Unity\2019.4.21f1_b76dac84db26\Data\il2cpp\libil2cpp\vm\Liveness.cpp:492] il2cpp::vm::Liveness::FromStatics
0x00007FF9C045E2FB (UnityPlayer) UnityMain

Notes:
1. Crash reproduces only in Build, does not reproduce in Editor
2. Crash reproduces only with IL2CPP, does not reproduce with Mono
3. "Player.log" attached in the edit section

  1. Resolution Note (fix version 2021.2):

    Fixed in 2021.2.0a12

  2. Resolution Note (fix version 2021.1):

    Fixed in 2021.1.4f1

  3. Resolution Note (fix version 2020.3):

    Fixed in 2020.3.4f1

  4. Resolution Note (fix version 2019.4):

    Fixed in 2019.4.24f1

  5. Resolution Note (fix version 2018.4):

    Fixed in 2018.4.35f1

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Comments (4)

  1. AntonPetrov

    Jan 22, 2024 10:37

    2020.3.48f1 the same crash on scene load

    ```
    Thread Name: SIGSEGV
    at il2cpp::vm::LivenessState::AddProcessObject(Il2CppObject*, il2cpp::vm::LivenessState*) (/Applications/Unity/Hub/Editor/2020.3.48f1/Unity.app/Contents/il2cpp/libil2cpp/vm/Liveness.cpp:336)
    at il2cpp::vm::LivenessState::TraverseGCDescriptor(Il2CppObject*, il2cpp::vm::LivenessState*) (/Applications/Unity/Hub/Editor/2020.3.48f1/Unity.app/Contents/il2cpp/libil2cpp/vm/Liveness.cpp:211)
    at il2cpp::vm::LivenessState::TraverseObjects() (/Applications/Unity/Hub/Editor/2020.3.48f1/Unity.app/Contents/il2cpp/libil2cpp/vm/Liveness.cpp:148)
    at il2cpp::vm::LivenessState::TraverseArray(Il2CppArray*, il2cpp::vm::LivenessState*) (/Applications/Unity/Hub/Editor/2020.3.48f1/Unity.app/Contents/il2cpp/libil2cpp/vm/Liveness.cpp:315)
    at il2cpp::vm::LivenessState::TraverseObjects() (/Applications/Unity/Hub/Editor/2020.3.48f1/Unity.app/Contents/il2cpp/libil2cpp/vm/Liveness.cpp:148)
    at il2cpp::vm::LivenessState::TraverseArray(Il2CppArray*, il2cpp::vm::LivenessState*) (/Applications/Unity/Hub/Editor/2020.3.48f1/Unity.app/Contents/il2cpp/libil2cpp/vm/Liveness.cpp:315)
    at il2cpp::vm::LivenessState::TraverseObjects() (/Applications/Unity/Hub/Editor/2020.3.48f1/Unity.app/Contents/il2cpp/libil2cpp/vm/Liveness.cpp:148)
    at il2cpp::vm::LivenessState::TraverseArray(Il2CppArray*, il2cpp::vm::LivenessState*) (/Applications/Unity/Hub/Editor/2020.3.48f1/Unity.app/Contents/il2cpp/libil2cpp/vm/Liveness.cpp:315)
    at il2cpp::vm::LivenessState::TraverseObjects() (/Applications/Unity/Hub/Editor/2020.3.48f1/Unity.app/Contents/il2cpp/libil2cpp/vm/Liveness.cpp:148)
    at il2cpp::vm::LivenessState::TraverseArray(Il2CppArray*, il2cpp::vm::LivenessState*) (/Applications/Unity/Hub/Editor/2020.3.48f1/Unity.app/Contents/il2cpp/libil2cpp/vm/Liveness.cpp:315)
    at il2cpp::vm::LivenessState::TraverseObjects() (/Applications/Unity/Hub/Editor/2020.3.48f1/Unity.app/Contents/il2cpp/libil2cpp/vm/Liveness.cpp:148)
    at il2cpp::vm::Liveness::FromStatics(void*) (/Applications/Unity/Hub/Editor/2020.3.48f1/Unity.app/Contents/il2cpp/libil2cpp/vm/Liveness.cpp:491)
    at GarbageCollectSharedAssets(bool, bool) (/lib/arm64/libunity.so)
    at UnloadUnusedAssetsOperation::IntegrateMainThread() (/lib/arm64/libunity.so)
    at PreloadManager::UpdatePreloadingSingleStep(PreloadManager::UpdatePreloadingFlags, int) (/lib/arm64/libunity.so)
    at PreloadManager::UpdatePreloading() (/lib/arm64/libunity.so)
    at ExecutePlayerLoop(NativePlayerLoopSystem*) (/lib/arm64/libunity.so)
    at ExecutePlayerLoop(NativePlayerLoopSystem*) (/lib/arm64/libunity.so)
    at PlayerLoop() (/lib/arm64/libunity.so)
    at UnityPlayerLoop() (/lib/arm64/libunity.so)
    at nativeRender(_JNIEnv*, _jobject*) (/lib/arm64/libunity.so)
    at (/oat/arm64/base.odex)
    ```

  2. ViliamVolosV

    Jul 18, 2022 10:18

    Same problem on 2020.3.34f1

  3. keithkung

    Mar 02, 2022 09:32

    Same problem on 2021.2.6f1

  4. smileycoder20

    Sep 17, 2021 06:53

    Have same problem on 2021.1.20f1
    It problem didn't fix on this version?

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