#0  0x00007fdea7acf425 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fdea7ad2b8b in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007fdea925bae0 in dump_core () at ../source3/lib/dumpcore.c:336
        called = true
        __FUNCTION__ = "dump_core"
#3  0x00007fdea9249a8c in smb_panic_s3 (why=0x7fdeaaed669d "internal error")
    at ../source3/lib/util.c:808
        cmd = 0x7fdeacfe5210 ""
        result = 0
        __FUNCTION__ = "smb_panic_s3"
#4  0x00007fdeaaec2fc8 in smb_panic (why=0x7fdeaaed669d "internal error")
    at ../lib/util/fault.c:159
No locals.
#5  0x00007fdeaaec2cab in fault_report (sig=11) at ../lib/util/fault.c:77
        counter = 1
        __FUNCTION__ = "fault_report"
#6  0x00007fdeaaec2cc0 in sig_fault (sig=11) at ../lib/util/fault.c:88
No locals.
#7  <signal handler called>
No symbol table info available.
#8  0x00007fdeaaab449d in to_8_3 ()
   from /usr/local/samba4/lib/private/libsmbd_base.so
No symbol table info available.
#9  0x00007fdeaaab491f in hash_name_to_8_3 ()
   from /usr/local/samba4/lib/private/libsmbd_base.so
No symbol table info available.
#10 0x00007fdeaaab3133 in name_to_8_3 ()
   from /usr/local/samba4/lib/private/libsmbd_base.so
No symbol table info available.
#11 0x00007fdeaaa14c0f in smbd_marshall_dir_entry ()
   from /usr/local/samba4/lib/private/libsmbd_base.so
No symbol table info available.
#12 0x00007fdeaaa155e4 in smbd_dirptr_lanman2_entry ()
   from /usr/local/samba4/lib/private/libsmbd_base.so
No symbol table info available.
#13 0x00007fdeaaa9cf0c in smbd_smb2_find_send ()
   from /usr/local/samba4/lib/private/libsmbd_base.so
No symbol table info available.
#14 0x00007fdeaaa9c10d in smbd_smb2_request_process_find ()
   from /usr/local/samba4/lib/private/libsmbd_base.so
No symbol table info available.
#15 0x00007fdeaaa83056 in smbd_smb2_request_dispatch ()
   from /usr/local/samba4/lib/private/libsmbd_base.so
No symbol table info available.
#16 0x00007fdeaaa83f09 in smbd_smb2_request_dispatch_immediate ()
   from /usr/local/samba4/lib/private/libsmbd_base.so
No symbol table info available.
#17 0x00007fdeaa705e48 in tevent_common_loop_immediate ()
   from /usr/local/samba4/lib/private/libtevent.so.0
No symbol table info available.
#18 0x00007fdea926622b in run_events_poll (ev=0x7fdeabf387f0, pollrtn=0, 
    pfds=0x0, num_pfds=0) at ../source3/lib/events.c:192
        state = 0x7fdeaabe8a27
        pollfd_idx = 0x7fdeabf387f0
        fde = 0x7fdeaabe8a08
        __FUNCTION__ = "run_events_poll"
#19 0x00007fdea92668d3 in s3_event_loop_once (ev=0x7fdeabf387f0, 
    location=0x7fdeaabe92d8 "../source3/smbd/process.c:3695")
    at ../source3/lib/events.c:303
        state = 0x7fdeabf3b5b0
        timeout = 2147483647
        num_pfds = 32767
        ret = -1435478861
        poll_errno = 32734
#20 0x00007fdeaa704f5f in _tevent_loop_once ()
   from /usr/local/samba4/lib/private/libtevent.so.0
No symbol table info available.
#21 0x00007fdeaaa661bd in smbd_process ()
   from /usr/local/samba4/lib/private/libsmbd_base.so
No symbol table info available.
#22 0x00007fdeab52facd in smbd_accept_connection (ev=0x7fdeabf387f0, 
    fde=0x7fdeac75f580, flags=1, private_data=0x7fdeac43e660)
    at ../source3/smbd/server.c:628
        status = {v = 0}
        s = 0x0
        msg_ctx = 0x7fdeabf388e0
        addr = {ss_family = 2, __ss_align = 0, 
          __ss_padding = "`\232K\033\377\177\000\000!l\353\252\336\177\000\000`\232K\033\377\177\000\000Sf\353\252\336\177\000\000(0\202\255\336\177\000\000\260\232K\033\377\177\000\000\v\000\000\000\000\000\000\000\300!\003\000\000\000\000\000\v\000\000\000\000\000\000\000\300!\003\000\000\000\000\000\020\233K\033\377\177\000\000\261a&\251\336\177\000\000\v\000\000\000\000\000\000\000\300!\003\000\000\000\000"}
        in_addrlen = 16
        fd = 44
        pid = 0
        unique_id = 16498548072740670656
        __FUNCTION__ = "smbd_accept_connection"
#23 0x00007fdea9266717 in run_events_poll (ev=0x7fdeabf387f0, pollrtn=1, 
    pfds=0x7fdeacbb5880, num_pfds=8) at ../source3/lib/events.c:257
        pfd = 0x7fdeacbb58b0
        flags = 1
        state = 0x7fdeabf3b5b0
        pollfd_idx = 0x7fdeac6b5d20
        fde = 0x7fdeac75f580
        __FUNCTION__ = "run_events_poll"
#24 0x00007fdea92669e4 in s3_event_loop_once (ev=0x7fdeabf387f0, 
    location=0x7fdeab53417e "../source3/smbd/server.c:954")
    at ../source3/lib/events.c:326
        state = 0x7fdeabf3b5b0
        timeout = 11206
        num_pfds = 8
        ret = 1
        poll_errno = 4
#25 0x00007fdeaa704f5f in _tevent_loop_once ()
   from /usr/local/samba4/lib/private/libtevent.so.0
No symbol table info available.
#26 0x00007fdeab530714 in smbd_parent_loop (ev_ctx=0x7fdeabf387f0, 
    parent=0x7fdeabf44e00) at ../source3/smbd/server.c:954
        ret = 0
        frame = 0x7fdeabf38bc0
        __FUNCTION__ = "smbd_parent_loop"
#27 0x00007fdeab531d07 in main (argc=5, argv=0x7fff1b4ba088)
    at ../source3/smbd/server.c:1586
        is_daemon = true
        interactive = false
        Fork = false
        no_process_group = false
        log_stdout = true
        ports = 0x0
        profile_level = 0x0
        opt = -1
        pc = 0x7fdeabf36b90
        print_build_options = false
        long_options = {{longName = 0x0, shortName = 0 '\000', argInfo = 4, 
            arg = 0x7fdea826f1a0, val = 0, 
            descrip = 0x7fdeab534249 "Help options:", argDescrip = 0x0}, {
            longName = 0x7fdeab534257 "daemon", shortName = 68 'D', 
            argInfo = 0, arg = 0x0, val = 1000, 
            descrip = 0x7fdeab53425e "Become a daemon (default)", 
            argDescrip = 0x0}, {longName = 0x7fdeab534278 "interactive", 
            shortName = 105 'i', argInfo = 0, arg = 0x0, val = 1001, 
            descrip = 0x7fdeab534288 "Run interactive (not a daemon)", 
            argDescrip = 0x0}, {longName = 0x7fdeab5342a7 "foreground", 
            shortName = 70 'F', argInfo = 0, arg = 0x0, val = 1002, 
            descrip = 0x7fdeab5342b8 "Run daemon in foreground (for daemontools, etc.)", argDescrip = 0x0}, {longName = 0x7fdeab5342e9 "no-process-group", 
            shortName = 0 '\000', argInfo = 0, arg = 0x0, val = 1003, 
            descrip = 0x7fdeab534300 "Don't create a new process group", 
            argDescrip = 0x0}, {longName = 0x7fdeab534321 "log-stdout", 
            shortName = 83 'S', argInfo = 0, arg = 0x0, val = 1004, 
            descrip = 0x7fdeab53432c "Log to stdout", argDescrip = 0x0}, {
            longName = 0x7fdeab53433a "build-options", shortName = 98 'b', 
            argInfo = 0, arg = 0x0, val = 98, 
            descrip = 0x7fdeab534348 "Print build options", argDescrip = 0x0}, 
          {longName = 0x7fdeab53435c "port", shortName = 112 'p', argInfo = 1, 
            arg = 0x7fff1b4b9f10, val = 0, 
            descrip = 0x7fdeab534361 "Listen on the specified ports", 
            argDescrip = 0x0}, {longName = 0x7fdeab53437f "profiling-level", 
            shortName = 80 'P', argInfo = 1, arg = 0x7fff1b4b9f18, val = 0, 
            descrip = 0x7fdeab53438f "Set profiling level", 
            argDescrip = 0x7fdeab5343a3 "PROFILE_LEVEL"}, {longName = 0x0, 
            shortName = 0 '\000', argInfo = 4, arg = 0x7fdea98de320, val = 0, 
            descrip = 0x7fdeab5343b1 "Common samba options:", 
            argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', 
            argInfo = 4, arg = 0x7fdea98ddae0, val = 0, 
            descrip = 0x7fdeab5343c8 "Build-time configuration overrides:", 
            argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', 
            argInfo = 0, arg = 0x0, val = 0, descrip = 0x0, argDescrip = 0x0}}
        parent = 0x7fdeabf44e00
        frame = 0x7fdeabf341a0
        status = {v = 0}
        ev_ctx = 0x7fdeabf387f0
        msg_ctx = 0x7fdeabf388e0
        server_id = {pid = 1737, task_id = 0, vnn = 4294967295, 
          unique_id = 13235074786543620603}
        se = 0x7fdeabf450d0
        np_dir = 0x7fdead272660 "P\353R\255\336\177"
        smbd_shim_fns = {
          cancel_pending_lock_requests_by_fid = 0x7fdeaaa43c1f <smbd_cancel_pending_lock_requests_by_fid>, 
          send_stat_cache_delete_message = 0x7fdeaaa4d5ce <smbd_send_stat_cache_delete_message>, 
          change_to_root_user = 0x7fdeaaa2e3c8 <smbd_change_to_root_user>, 
          contend_level2_oplocks_begin = 0x7fdeaaab8378 <smbd_contend_level2_oplocks_begin>, 
          contend_level2_oplocks_end = 0x7fdeaaab83eb <smbd_contend_level2_oplocks_end>, become_root = 0x7fdeaaa2e6fd <smbd_become_root>, 
          unbecome_root = 0x7fdeaaa2e725 <smbd_unbecome_root>, 
          exit_server = 0x7fdeaaaadf9f <smbd_exit_server>, 
          exit_server_cleanly = 0x7fdeaaaadfbc <smbd_exit_server_cleanly>}
        __FUNCTION__ = "main"