Crash on BuildRenderObjectData when a Material Variant with a missing parent material is rendered in the Scene view

How to reproduce:
1. Open the attached “IN-151615” project
2. Open the “game” scene
3. Move around in the scene view
4. Observe the crash

Reproducible with: 6000.0.10f1, 6000.0.83f1, 6000.3.23f1, 6000.5.11f1, 6000.6.0f1, 6000.7.0a6

Reproduced on: Windows 11
Not reproduced on: No other environment tested

Note: The crash can also occur when interacting with GameObjects in the Hierarchy of the “game” scene

First few lines of the stack trace:
0x00007FFE4127078A (Unity) BuildRenderObjectData
0x00007FFE412746B1 (Unity) DoRenderLoop
0x00007FFE411C6ADC (Unity) Camera::DoRender
0x00007FFE4242C415 (Unity) Camera::RenderEditorDrawingModes
0x00007FFE4242AB1F (Unity) Camera::RenderEditorCamera
0x00007FFE4242AE8E (Unity) Camera::RenderEditorCamera