**System Information**
Operating system: Linux-5.4.15-arch1-1-x86_64-with-arch 64 Bits
Graphics card: GeForce 8400GS/PCIe/SSE2 NVIDIA Corporation 3.3.0 NVIDIA 340.107
**Blender Version**
Broken: version: 2.83 (sub 1), branch: master, commit date: 2020-01-24 11:49, hash: `rB11df5443e5d0`
**Short description of error**
When using the pose brush on a parented geometry, blender crashes. It happens when you use vertex parent on an object and then try to use the brush over the parent.
I can also confirm this is happening with Object parent in all it's modes,
**Exact steps for others to reproduce the error**
Add a geometry, then parent to it another geo using vertex parent, then use the pose brush on the parent geo, when you click to modify, it crashes.