How to reproduce:

[Short repro]
# Switch between Lit, Unlit Mesh, Quad, Lit Quad outputs multiple times, ~10 should be good
# Along the way while switching change some random settings in Output Inspector
# Click Output Inspector then click on the graph view empty space continuously until you notice editor starts freezing and then crash

[Long repro]
# Open the attached project
# Convert Lit Mesh to Lit Mesh (yeah, lit mesh)
# Convert to Unlit Mesh (Observe inspector - It is a scriptable object of VFX Mesh Output; now take a look at the Output name - it says Lit Mesh Output)
# Convert Unlit Mesh
# Convert to Unlit Mesh
# Convert to Lit Mesh
# Convert to Unlit Mesh
# Convert to Lit Quad
# Convert to Mesh
# Check Transparent Depth Prepass in theInspector
# Check LOD box in the Inspector
# Undo everything
# Click Lit Mesh Output
# Click in Graph View empty space
# Click Lit Mesh Output
# [repeat 14-15 actions until it crash the Editor]

Obtained 3 stack frames.

#0 0x00000106577544 in VFXMemorySerializer::StoreObjects(dynamic_array<PPtr<MonoBehaviour>, 0ul>)

#1 0x0000010657894d in VFXMemorySerializerBindings::StoreObjectsToByteArray(dynamic_array<PPtr<MonoBehaviour>, 0ul>, CompressionLevel)

#2 0x000001042f940c in VFXMemorySerializer_CUSTOM_StoreObjectsToByteArray(ScriptingBackendNativeArrayPtrOpaque*, CompressionLevel, BindingsArrayHandleOnStack*)

Note:
* Crash is consistent but reproduction is quite unpredictable
* Visuals of repro are in the attachments section