System Information
Operating system: Linux-4.15.0-47-generic-x86_64-with-glibc2.23 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 384.130

Blender Version
Broken: version: 3.0.0 Alpha, branch: master, commit date: 2021-08-06 17:55, hash: rBd245782b80a6
Worked: (newest version of Blender that worked as expected)

Short description of error
Dyntopo and multires displacement smear sculpting tool instantly crash Blender

Exact steps for others to reproduce the error
Go to sculpting tab
Select Multires displacement smear tool
Enable Dyntopo
Sculpt the object (result in a crash every time for me)