Crash on ModelImporter::ImportSkinnedMesh when disabling "Strip Bones" on a specific FBX model

Unity: Asset Importers

Won't Fix

6.0.X

2023.2.X

2022.3.X

2021.3.X

Cancelling this 2023.2 tech release issue since the support for this release has come to end of life. Cancelling this 2023.2 port case does not affect any LTS or Unity 6 Beta/Preview that remain open.

How to reproduce:
1. Open the attached “ModelCrashBug.zip“ project
2. Select the “Assets/100120_Mesh.fbx“ asset
3. Select the “Rig“ tab in the Inspector
4. De-select “Strip Bones“ and press “Apply“

Reproducible with: 2021.3.37f1, 2022.3.25f1, 2023.2.19f1, 6000.0.0b16

Reproducible on: macOS 14.4 Sonoma (Intel)

Not reproducible on: 2020.3.44f1

First few lines of the stack trace:
0x00007FFEA4C6BDFC (Unity) ModelImporter::ImportSkinnedMesh
0x00007FFEA4C619B6 (Unity) ModelImporter::GenerateAll
0x00007FFEA4C64EDD (Unity) ModelImporter::GenerateAssetData
0x00007FFEA42C0412 (Unity) ImportToObjects
0x00007FFEA42BF296 (Unity) ImportAsset

Crash on ModelImporter::ImportSkinnedMesh when disabling "Strip Bones" on a specific FBX model

Unity: Asset Importers

Won't Fix

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Have a workaround or additional info about this issue?

Crash on ModelImporter::ImportSkinnedMesh when disabling "Strip Bones" on a specific FBX model

Unity: Asset Importers

Statuses

Won't Fix

Resolution Notes

2023.2.XWon't FixCancelling this 2023.2 tech release issue since the support for this release has come to end of life. Cancelling this 2023.2 port case does not affect any LTS or Unity 6 Beta/Preview that remain open.

Description

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Have a workaround or additional info about this issue?