#0  tcache_get (tc_idx=1) at malloc.c:2927
        e = 0x561c1b1ae92000
        e = <optimized out>
        __PRETTY_FUNCTION__ = "tcache_get"
#1  __GI___libc_malloc (bytes=bytes@entry=35) at malloc.c:3034
        ar_ptr = <optimized out>
        victim = <optimized out>
        hook = <optimized out>
        tbytes = 48
        tc_idx = 1
        __PRETTY_FUNCTION__ = "__libc_malloc"
#2  0x00007f609efc9651 in g_malloc (n_bytes=n_bytes@entry=35) at ../../../../glib/gmem.c:99
        mem = <optimized out>
#3  0x00007f609efe3501 in g_strconcat (string1=string1@entry=0x7f609f01d969 "assertion failed: (") at ../../../../glib/gstrfuncs.c:585
        __n = 35
        __s = 1
        __p = <optimized out>
        l = 35
        args = {{gp_offset = 32, fp_offset = 22044, overflow_arg_area = 0x7ffc705b5dd0, reg_save_area = 0x7ffc705b5d80}}
        s = <optimized out>
        concat = <optimized out>
        ptr = <optimized out>
#4  0x00007f609efeb373 in g_assertion_message_expr (domain=domain@entry=0x7f609f0cf07b "GLib-GObject", file=file@entry=0x7f609f0d12ce "../../../../gobject/gobject.c", line=line@entry=1813, func=func@entry=0x7f609f0d28c0 <__func__.14400> "g_object_new_internal", expr=expr@entry=0x7f609f0d148e "nqueue != NULL") at ../../../../glib/gtestutils.c:2618
        s = <optimized out>
#5  0x00007f609f0a9973 in g_object_new_internal (class=class@entry=0x561c1a4c1dd0, params=params@entry=0x0, n_params=n_params@entry=0) at ../../../../gobject/gobject.c:1813
        node = <optimized out>
        nqueue = 0x0
        object = 0x561c1b19cba0
        __func__ = "g_object_new_internal"
#6  0x00007f609f0aab15 in g_object_new_with_properties (object_type=94678700261888, n_properties=0, names=names@entry=0x0, values=values@entry=0x0) at ../../../../gobject/gobject.c:1973
        class = 0x561c1a4c1dd0
        unref_class = 0x0
        object = <optimized out>
        __func__ = "g_object_new_with_properties"
#7  0x00007f609f0ab581 in g_object_new (object_type=<optimized out>, first_property_name=first_property_name@entry=0x0) at ../../../../gobject/gobject.c:1645
        object = <optimized out>
        var_args = {{gp_offset = 2063628664, fp_offset = 32000, overflow_arg_area = 0x7f6088005ed0, reg_save_area = 0x7f609f070690 <g_variant_type_info_basic_table+80>}}
#8  0x00007f609ee61425 in g_task_new (source_object=source_object@entry=0x561c1a48d1c0, cancellable=cancellable@entry=0x0, callback=callback@entry=0x7f609ee9d010 <get_name_owner_cb>, callback_data=callback_data@entry=0x561c1afb7a60) at ../../../../gio/gtask.c:696
        task = <optimized out>
        source = <optimized out>
#9  0x00007f609ee9348b in g_dbus_connection_call_internal (connection=0x561c1a48d1c0, bus_name=bus_name@entry=0x7f609ef05794 "org.freedesktop.DBus", object_path=object_path@entry=0x7f609ef057a9 "/org/freedesktop/DBus", interface_name=interface_name@entry=0x7f609ef05794 "org.freedesktop.DBus", method_name=method_name@entry=0x7f609ef107dd "GetNameOwner", parameters=<optimized out>, reply_type=0x7f609ef00687, flags=G_DBUS_CALL_FLAGS_NONE, timeout_msec=-1, fd_list=0x0, cancellable=0x0, callback=0x7f609ee9d010 <get_name_owner_cb>, user_data=0x561c1afb7a60) at ../../../../gio/gdbusconnection.c:5785
        state = 0x561c1a6f13a0
        task = <optimized out>
        message = 0x7f6088005ed0
        serial = 32764
        __func__ = "g_dbus_connection_call_internal"
#10 0x00007f609ee95cd5 in g_dbus_connection_call (connection=<optimized out>, bus_name=bus_name@entry=0x7f609ef05794 "org.freedesktop.DBus", object_path=object_path@entry=0x7f609ef057a9 "/org/freedesktop/DBus", interface_name=interface_name@entry=0x7f609ef05794 "org.freedesktop.DBus", method_name=method_name@entry=0x7f609ef107dd "GetNameOwner", parameters=<optimized out>, reply_type=0x7f609ef00687, flags=G_DBUS_CALL_FLAGS_NONE, timeout_msec=-1, cancellable=0x0, callback=0x7f609ee9d010 <get_name_owner_cb>, user_data=0x561c1afb7a60) at ../../../../gio/gdbusconnection.c:6075
No locals.
#11 0x00007f609ee9c622 in invoke_get_name_owner (client=0x561c1afb7a60) at ../../../../gio/gdbusnamewatching.c:90
No locals.
#12 0x00007f609ee9cc6f in connection_get_cb (source_object=<optimized out>, res=<optimized out>, user_data=0x561c1afb7a60) at ../../../../gio/gdbusnamewatching.c:536
        client = 0x561c1afb7a60
#13 0x00007f609ee61203 in g_task_return_now (task=0x561c1af95ed0) at ../../../../gio/gtask.c:1148
No locals.
#14 0x00007f609ee61ad6 in g_task_return (task=0x561c1af95ed0, type=<optimized out>) at ../../../../gio/gtask.c:1206
        source = 0x7f6078001320
#15 0x00007f609ee8e8a2 in bus_get_async_initable_cb (source_object=0x561c1a48d1c0, res=<optimized out>, user_data=0x561c1af95ed0) at ../../../../gio/gdbusconnection.c:7314
        task = 0x561c1af95ed0
        error = 0x0
        __func__ = "bus_get_async_initable_cb"
        _g_boolean_var_ = <optimized out>
#16 0x00007f609ee61203 in g_task_return_now (task=0x561c1afb0030) at ../../../../gio/gtask.c:1148
No locals.
#17 0x00007f609ee61239 in complete_in_idle_cb (task=0x561c1afb0030) at ../../../../gio/gtask.c:1162
No locals.
#18 0x00007f609efc3ae8 in g_main_dispatch (context=0x561c1a464b80) at ../../../../glib/gmain.c:3182
        dispatch = 0x7f609efc0480 <g_idle_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x561c1afb0030
        callback = 0x7f609ee61230 <complete_in_idle_cb>
        cb_funcs = <optimized out>
        cb_data = 0x7f60780013c0
        need_destroy = <optimized out>
        source = 0x7f6078001320
        current = 0x561c1a4b4930
        i = 8
        current = <optimized out>
        i = <optimized out>
        __func__ = "g_main_dispatch"
        source = <optimized out>
        _g_boolean_var_ = <optimized out>
        was_in_call = <optimized out>
        user_data = <optimized out>
        callback = <optimized out>
        cb_funcs = <optimized out>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        dispatch = <optimized out>
        prev_source = <optimized out>
        _g_boolean_var_ = <optimized out>
#19 g_main_context_dispatch (context=context@entry=0x561c1a464b80) at ../../../../glib/gmain.c:3847
No locals.
#20 0x00007f609efc3ed8 in g_main_context_iterate (context=context@entry=0x561c1a464b80, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3920
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 5
        fds = 0x7f6088008660
#21 0x00007f609efc3f6c in g_main_context_iteration (context=context@entry=0x561c1a464b80, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3981
        retval = <optimized out>
#22 0x00007f609ee7513d in g_application_run (application=0x561c1a4341a0, argc=<optimized out>, argv=0x7ffc705b6488) at ../../../../gio/gapplication.c:2470
        arguments = 0x561c1a431c90
        status = 0
        context = 0x561c1a464b80
        acquired_context = <optimized out>
        __func__ = "g_application_run"
#23 0x0000561c18cd0278 in main (argc=<optimized out>, argv=<optimized out>) at ../src/totem.c:83
        totem = 0x561c1a4341a0