Reproduction steps:

1. Create a new project
2. Create a new material
3. Select the newly created material asset
4. In the Inspector press the color picker (eyedropper) icon for Albedo

Expected result: Editor does not crash
Actual result: Editor crashes

Reproducible with: 2020.3.37f1, 2021.1.0a10
Not reproducible with: 2021.1.0b1, 2021.3.6f1, 2022.1.10f1, 2022.2.0b2, 2023.1.0a4

Reproduced on: Windows 10

Stack trace:
0x00007ff71b800f02 (Unity) GUIView::AuxBackBufferManager::OnWindowBeginRender
0x00007ff71bce83bb (Unity) GUIView::DoPaint
0x00007ff71bcf0a8d (Unity) GUIView::RepaintAll
0x00007ff71b8cf421 (Unity) PlayerLoopController::UpdateScene
0x00007ff71b8cd801 (Unity) Application::TickTimer
0x00007ff71bcc9101 (Unity) MainMessageLoop
0x00007ff71bcccd96 (Unity) WinMain
0x00007ff71d827322 (Unity) __scrt_common_main_seh
0x00007ffc4b787034 (KERNEL32) BaseThreadInitThunk
0x00007ffc4c242651 (ntdll) RtlUserThreadStart