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Fixed in 2020.2.X

Fixed in 2017.4.X, 2018.4.X, 2019.3.X, 2020.1.X

Votes

0

Found in

2017.4

2019.3.0f6

2020.1

Issue ID

1221358

Regression

No

Editor crashes on ConstantBuffersD3D11Base::SetBuiltinCBConstant when creating a new Standart Surface Shader

Graphics - General

-

How to reproduce:
1. Open the user's attached project "PaintingSim.zip"
2. Open Project window and right-click on an empty space
3. Select Create > Shader > Standart Surface Shader
4. If the crash did not occur repeat steps 2-3
-- Observe the crash

Reproducible with: 2017.4.37f1, 2018.4.18f1, 2019.3.2f1, 2020.1.0a24

Note:
1. the crash occurs randomly, sometimes it takes more than 10 attempts to reproduce it
2. an assertion fails right before the crash: Assertion failed on expression: 'offset >= 0 && offset + size <= m_Buffers[cbIndex].key.size && size > 0'
3. also reproducible when duplicating multiple shader files

The stack trace:
0x00007FF6FD35B410 (Unity) memcmp
0x00007FF6FAD81611 (Unity) ConstantBuffersD3D11Base::SetBuiltinCBConstant
0x00007FF6FAD775CC (Unity) GfxDeviceD3D11Base::BeforeDrawCall
0x00007FF6FAD7BA15 (Unity) GfxDeviceD3D11Base::DrawBuffers
0x00007FF6FB6629B0 (Unity) DynamicVBO::DrawChunk
<...>

  1. Resolution Note (fix version 2020.2):

    Fixed in: 2020.2.0a3

  2. Resolution Note (fix version 2020.1):

    Fixed in: 2020.1.0b3

  3. Resolution Note (fix version 2019.3):

    Fixed in: 2019.3.8f1

  4. Resolution Note (fix version 2017.4):

    Fixed in: 2017.4.40f1

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