Reproduction steps:
1. Open the attached “BugRepro” project
2. Open the “Assets/Scenes/Game.unity“ Scene
3. Observe the crash

Reproducible with: 6000.0.73f1, 6000.3.15f1, 6000.4.4f1, 6000.5.0b4, 6000.6.0a2

Reproducible on: Windows 11
Not reproducible on: No other environment tested

First few lines of the stack trace:

0x00007FFF23FC7E74 (Unity) VFXManager::CollectShadowCullResults
0x00007FFF23FCD3B6 (Unity) VFXManager::Internal_ProcessCameraCommand
0x00007FFF23F8ADEF (Unity) VFXManager_CUSTOM_Internal_ProcessCameraCommand
0x00000197D57648EA (Mono JIT Code) (wrapper managed-to-native) UnityEngine.VFX.VFXManager:Internal_ProcessCameraCommand_Injected (intptr,intptr,UnityEngine.VFX.VFXCameraXRSettings&,intptr,intptr)
0x00000197D576481B (Mono JIT Code) UnityEngine.VFX.VFXManager:Internal_ProcessCameraCommand (UnityEngine.Camera,UnityEngine.Rendering.CommandBuffer,UnityEngine.VFX.VFXCameraXRSettings,intptr,intptr)
0x00000197D576470B (Mono JIT Code) UnityEngine.VFX.VFXManager:ProcessCameraCommand (UnityEngine.Camera,UnityEngine.Rendering.CommandBuffer,UnityEngine.VFX.VFXCameraXRSettings,UnityEngine.Rendering.CullingResults)