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Fixed in 2020.2

Fixed in 2019.3, 2020.1

Votes

0

Found in

2019.3

2019.3.0f1

2020.1

Issue ID

1206193

Regression

No

[ADB v2] Corrupted assets are cached and causes cache poisoning

Asset Import Pipeline

-

How to reproduce:
1. Build & Run Unity Editor from the source code
2. Make sure the ADBv2 Cache Server is running (Connection has to be successful)
3. Add breakpoint on line "shadercompiler::SendCommand(...)" at ShaderCompilerClient.cpp:757
4. Create a default compute shader
5. When the breakpoint is hit, kill all "UnityShaderCompiler" processes
6. Notice, that the shader is broken now
7. Close the project & delete it's "Library" folder
8. Open the project again

Actual result: ADBv2 cache server is poisoned with the broken asset and pulls it back to the project.
Expected result: ADBv2 doesn't cache corrupted assets.

Reproducible with: 2019.3.0f1, 2020.1.0a20.

Notes:
- Didn't test earlier versions because the repro is quite complex and requires a lot of time.
- Unity accelerator is required for the issue to reproduce.

  1. Response avatar

    Resolution Note (fix version 2020.1):

    Fixed in 2020.1.0b5

  2. Response avatar

    Resolution Note (fix version 2019.3):

    Fixed in 2019.3.10f1

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