bug#47205: 27.1.91; [bug] unexpected input event interrupted expand-file

[LinSun]

And the dbus log out as follow when `dbus-debug` t:

$ mkdir -p tmp/b.iso/ && cd tmp/ && touch a b.iso/c

$ emacs --batch --eval "(let ((dbus-debug t)) (message \"%s\" (expand-file-name \"a.iso/b\" \"/\")))"

xd_add_watch: fd 9, write 2, enabled 0

xd_add_watch: fd 9, write 0, enabled 1

Fdbus__init_bus: Bus :system, Reference counter 2

Fdbus_message_internal: DBUS_MESSAGE_TYPE_METHOD_CALL :system org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus AddMatch dbus-call-method-handler

Fdbus_message_internal: Parameter3 type='signal',interface='org.freedesktop.DBus.Local',member='Disconnected',path='/org/freedesktop/DBus/Local'

xd_signature: s

xd_append_arg: s type='signal',interface='org.freedesktop.DBus.Local',member='Disconnected',path='/org/freedesktop/DBus/Local'

Fdbus_message_internal: Message sent: (:serial :system 2)

xd_retrieve_arg: s :1.14469

xd_read_message_1: Event received: DBUS_MESSAGE_TYPE_SIGNAL 2 org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus NameAcquired (:1.14469)

xd_read_message_1: Event received: DBUS_MESSAGE_TYPE_METHOD_RETURN 2 org.freedesktop.DBus (null) (null) (null) nil

xd_read_message_1: Event stored: (:system 2 2 org.freedesktop.DBus nil nil nil dbus-call-method-handler)

DBus-Event (dbus-event :system 2 2 org.freedesktop.DBus nil nil nil dbus-call-method-handler)

DBus-Event (dbus-event :system 2 2 org.freedesktop.DBus nil nil nil dbus-call-method-handler)

DBus-Event (dbus-event :system 2 2 org.freedesktop.DBus nil nil nil dbus-call-method-handler)

Matching rule "type='signal',interface='org.freedesktop.DBus.Local',member='Disconnected',path='/org/freedesktop/DBus/Local'" created

D-Bus error: "No connection to bus", :session