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Fixed

Fixed in 2021.3.30f1, 2022.3.7f1, 2023.1.7f1, 2023.2.0b4, 2023.3.0a1, 2024.1.0a1

Votes

0

Found in

2021.3.25f1

2022.2.20f1

2023.1.0b17

2023.2.0a16

2024.1.0a1

Issue ID

UUM-36663

Regression

Yes

Crash on SubProgramBlobWriter::Flush when building a project

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Reproduction steps:
1. Open the attached “repro-project“
2. Build And Run
3. Observe the crash

Reproducible with: 2021.3.12f1, 2021.3.25f1, 2022.2.20f1, 2023.1.0b17, 2023.2.0a16
Not reproducible with: 2020.3.48f1, 2021.3.11f1

Reproduced on: Windows 10 Pro, macOS 13.3.1 (Intel) (by reporter)

First few lines of the stack trace:
{{0x00007FF79A6E6247 (Unity) SubProgramBlobWriter::Flush }}
{{0x00007FF79A6D7848 (Unity) CompileShaderSubprograms }}
{{0x00007FF79B192881 (Unity) Shader::Transfer<StreamedBinaryWrite> }}
{{0x00007FF799AFBD7B (Unity) SerializedFile::WriteObject }}
{{0x00007FF799AE577B (Unity) PersistentManager::WriteFile}}

  1. Resolution Note (fix version 2023.3.0a1):

    Previous versions of Unity allowed a value of 0 for the default shader chunk size to be stored with player settings. This caused problems during allocation size computations. This value is no longer allowed, and the Editor now prevents a 0 value from being used or stored.

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