.
Thread 1 (Thread 0x7f2b548e7d80 (LWP 1187)):
#0  _dbus_header_get_message_type (header=0x3130383130303038) at ../../../dbus/dbus-marshal-header.c:390
        type = <error reading variable type (Cannot access memory at address 0x3130383130303038)>
#1  0x00007f2b54239d7a in _dbus_message_has_type_interface_member (message=0x3130383130303030, type=1, iface=0x55783221c33f "org.bluez.Device1", member=0x55783221c468 "Pair") at ../../../dbus/dbus-message.c:3644
        n = <optimized out>
#2  0x00005578321dbd52 in browse_request_complete (req=0x55783422a3f0, bdaddr_type=<optimized out>, err=err@entry=0) at src/device.c:2160
        dev = <optimized out>
        reply = 0x0
#3  0x00005578321dbf9f in device_svc_resolved (dev=dev@entry=0x557834223ae0, bdaddr_type=<optimized out>, err=err@entry=0) at src/device.c:2257
        req = <optimized out>
        __func__ = "device_svc_resolved"
#4  0x00005578321dc575 in gatt_client_ready_cb (success=<optimized out>, att_ecode=<optimized out>, user_data=0x557834223ae0) at src/device.c:4649
        device = 0x557834223ae0
#5  0x00005578321feac0 in notify_client_ready (client=0x5578342224c0, success=<optimized out>, att_ecode=<optimized out>) at src/shared/gatt-client.c:1147
        entry = <optimized out>
#6  0x00005578321fcebf in complete_notify_request (data=0x557834215f90) at src/shared/gatt-client.c:1227
        notify_data = <optimized out>
#7  register_notify (client=client@entry=0x5578342224c0, handle=<optimized out>, callback=callback@entry=0x5578321fed20 <service_changed_register_cb>, notify=notify@entry=0x5578321fe1e0 <service_changed_cb>, user_data=user_data@entry=0x5578342224c0, destroy=destroy@entry=0x0) at src/shared/gatt-client.c:1386
        notify_data = 0x557834215f90
        chrc = 0x557834225e20
#8  0x00005578321fd130 in register_service_changed (client=client@entry=0x5578342224c0) at src/shared/gatt-client.c:1454
        uuid = {type = BT_UUID16, value = {u16 = 10757, u32 = 10757, u128 = {data = "\005*", '\000' <repeats 13 times>}}}
        attr = 0x5578342255a0
#9  0x00005578321fecae in init_complete (op=0x557834229930, success=<optimized out>, att_ecode=<optimized out>) at src/shared/gatt-client.c:1596
        client = 0x5578342224c0
#10 0x00005578321fd288 in discover_primary_cb (success=<optimized out>, att_ecode=<optimized out>, result=<optimized out>, user_data=0x557834229930) at src/shared/gatt-client.c:1134
        op = 0x557834229930
        client = 0x5578342224c0
        iter = {result = 0x0, pos = 0}
        attr = <optimized out>
        start = 20
        end = 65535
        u128 = {data = "\000\000\030\000\000\000\020\000\200\000\000\200_\233\064\373"}
        uuid = {type = BT_UUID128, value = {u16 = 0, u32 = 1572864, u128 = {data = "\000\000\030\000\000\000\020\000\200\000\000\200_\233\064\373"}}}
        uuid_str = "00001800-0000-1000-8000-00805f9b34fb"
#11 0x00005578322060f7 in discovery_op_complete (op=0x557834225dc0, success=<optimized out>, ecode=<optimized out>) at src/shared/gatt-helpers.c:628
No locals.
#12 0x0000557832206354 in read_by_grp_type_cb (opcode=<optimized out>, pdu=0x5578342213e1, length=<optimized out>, user_data=0x557834225dc0) at src/shared/gatt-helpers.c:730
        op = 0x557834225dc0
        success = <optimized out>
        att_ecode = <optimized out>
        cur_result = <optimized out>
        data_length = <optimized out>
        list_length = <optimized out>
#13 0x00005578321fc0bf in handle_rsp (pdu_len=<optimized out>, pdu=0x5578342213e1 "\006\001", opcode=<optimized out>, att=0x55783422d1d0) at src/shared/att.c:708
        rsp_opcode = 17 '\021'
        rsp_pdu = <optimized out>
        rsp_pdu_len = 13
        op = 0x55783422a360
        req_opcode = <optimized out>
#14 can_read_data (io=<optimized out>, user_data=0x55783422d1d0) at src/shared/att.c:880
        opcode = 17 '\021'
        pdu = 0x5578342213e0 "\021\006\001"
#15 0x0000557832204f95 in watch_callback (channel=<optimized out>, cond=<optimized out>, user_data=<optimized out>) at src/shared/io-glib.c:170
        watch = <optimized out>
        result = <optimized out>
        destroy = <optimized out>
#16 0x00007f2b544b1aaa in g_main_dispatch (context=0x55783420d810) at ../../../../glib/gmain.c:3148
        dispatch = 0x7f2b544f8190 <g_io_unix_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x55783422dbd0
        callback = 0x557832204f70 <watch_callback>
        cb_funcs = <optimized out>
        cb_data = 0x557834222db0
        need_destroy = <optimized out>
        source = 0x55783421bcf0
        current = 0x557834216520
        i = 0
#17 g_main_context_dispatch (context=context@entry=0x55783420d810) at ../../../../glib/gmain.c:3813
No locals.
#18 0x00007f2b544b1e60 in g_main_context_iterate (context=0x55783420d810, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3886
        max_priority = 2147483647
        timeout = 30000
        some_ready = 1
        nfds = 17
        allocated_nfds = 18
        fds = <optimized out>
#19 0x00007f2b544b2182 in g_main_loop_run (loop=0x557834208df0) at ../../../../glib/gmain.c:4082
        __func__ = "g_main_loop_run"
#20 0x000055783217c41c in main (argc=<optimized out>, argv=<optimized out>) at src/main.c:708
        context = <optimized out>
        err = 0x0
        sdp_flags = <optimized out>
        gdbus_flags = <optimized out>
        watchdog = 0
        watchdog_usec = <optimized out>
        __func__ = "main"