Same issue with dock station when monitor connected to dock (Display Port). HP USB-C Dock G5. Seems it's only affected MBP 16. Tested on 11 MacBook Pro (16-inch, 2019).
Big Sur 11.3.1 (11.0.1, 11.2.3, 11.3, 11.3.1)
Crashes - https://developer.apple.com/forums/content/attachment/8e9b605b-44d2-4be1-8fdc-921b1272330c