I think that the most relevant part of the logs is:
01-18 13:52:43.380 3085 3085 E AndroidRuntime: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.android.systemui.statusbar.phone.SystemUIDialog$DismissReceiver.register()' on a null object reference
01-18 13:52:43.380 3085 3085 E AndroidRuntime: at com.android.systemui.statusbar.phone.SystemUIDialog.onStart(SystemUIDialog.java:109)
Device: Mi Pad ROM Version : 20190112 / 2.1 Kernel version: 4.5.169-perf Android version: 9
Description Cannot add a new user from status bar menu
Symptoms First time tablet goes to lock screen, second time it freezes
How to reproduce Open status bar menu Click on user icon Click on add user
Note that it works fine when going to system app
Attached, full logs: log 1.txt log 2.txt log 3.txt
I think that the most relevant part of the logs is: