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I'm not sure who decided there isn't enough information. The description contains the exact steps to reproduce the bug.

However if you follow the instructions here: https://developer.android.com/guide/topics/ui/dialogs#CustomLayout you also will hit this bug.

Basically the android x dialog fragment has the hook to call onCreateDialog in a callback to the layout inflater. However, accessing the layout inflater recursively triggers onCreateDialog...

The bug is essentially in Fragment:

    LayoutInflater performGetLayoutInflater(@Nullable Bundle savedInstanceState) {
        LayoutInflater layoutInflater = onGetLayoutInflater(savedInstanceState);
        mLayoutInflater = layoutInflater;
        return mLayoutInflater;
    }

Because the layout inflator is not "set" invoking the callback onGetLayoutInflator() which is where onCreateDialog() is invoked will cause the cycle to repeat if you call getLayoutInflater in onCreateDialog()

The fix should be just reordering the code to set the inflater before invoking the callback.

    LayoutInflater performGetLayoutInflater(@Nullable Bundle savedInstanceState) {
        mLayoutInflater = layoutInflater;
        LayoutInflater layoutInflater = onGetLayoutInflater(savedInstanceState);
        return mLayoutInflater;
    }

Actually that doesn't work, a better solution is to not hook onCreateDialog into the onGetLayoutInflater callback... but there is a nasty dependency between DialogFragment and Fragment that I don't have time to try and resolve.

Using requireActivity().layoutInflater as is done in the Java code sample in the docs is one workaround until this can be fixed.

I just wound up using the following as a work around:

    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
        dialogView = LayoutInflater.from(context).inflate(R.layout.fragment_add_user, null)