(gdb) backtrace full
#0  0x00007f964fc7517c in waitpid () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f964fbfeb8c in do_system () from /lib64/libc.so.6
No symbol table info available.
#2  0x00007f965244fefb in smb_panic (why=0x7f96529d9c00 "internal error") at lib/util.c:1123
        cmd = 0x7f96540265e0 "/bin/sleep 999999"
        result = 32662
        __FUNCTION__ = "smb_panic"
#3  0x00007f965243d9e6 in fault_report (sig=11) at lib/fault.c:53
        counter = 1
        __FUNCTION__ = "fault_report"
#4  0x00007f965243d9fb in sig_fault (sig=11) at lib/fault.c:76
No locals.
#5  <signal handler called>
No symbol table info available.
#6  0x00007f9652424cb0 in tcopy_passwd (mem_ctx=0x7f9654048570, from=0x200) at ../lib/util/util_pw.c:82
        ret = 0x7f9654046770
#7  0x00007f96523d3959 in pdb_copy_sam_account (dst=0x7f9654048570, src=0x7f9654012580) at passdb/passdb.c:2114
        buf = 0x7f9654030d10 ""
        len = 218
#8  0x00007f96523d53b5 in pdb_getsampwsid (sam_acct=0x7f9654048570, sid=0x7fffa4c6db70) at passdb/pdb_interface.c:414
        cache_copy = 0x7f9654012580
        pdb = 0x7f9653fff000
        rid = 1108
        cache_data = 0x7f9654012580
        ok = false
        __FUNCTION__ = "pdb_getsampwsid"
#9  0x00007f96522e9d54 in _samr_OpenUser (p=0x7f9654049750, r=0x7f9654025c50) at rpc_server/samr/srv_samr_nt.c:2109
        sampass = 0x7f9654048570
        sid = {sid_rev_num = 1 '\001', num_auths = 5 '\005', id_auth = "\000\000\000\000\000\005", sub_auths = {21, 2887681565, 1567014954, 3579115003, 1108, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}
        dinfo = 0x7f965405e610
        uinfo = 0x0
        psd = 0x7f965404dcd0
        acc_granted = 0
        des_access = 256
        extra_access = 0
        sd_size = 168
        ret = false
        nt_status = {v = 2764495760}
        needed_priv_1 = SEC_PRIV_INVALID
        needed_priv_2 = 2764495952
        status = {v = 0}
        __FUNCTION__ = "_samr_OpenUser"
#10 0x00007f96522ff456 in api_samr_OpenUser (p=0x7f9654049750) at librpc/gen_ndr/srv_samr.c:2745
        call = 0x7f9652d68750 <samr_calls+2448>
        pull = 0x7f9654025cd0
        push = 0x7f9654060670
        ndr_err = NDR_ERR_SUCCESS
        r = 0x7f9654025c50
#11 0x00007f965230fe39 in api_rpcTNP (p=0x7f9654049750, pkt=0x7f9654045ed0, api_rpc_cmds=0x7f9652d7f920 <api_samr_cmds>, n_cmds=68) at rpc_server/srv_pipe.c:1647
        fn_num = 34
        offset1 = 0
        __FUNCTION__ = "api_rpcTNP"
#12 0x00007f965230f9ff in api_pipe_request (p=0x7f9654049750, pkt=0x7f9654045ed0) at rpc_server/srv_pipe.c:1580
        frame = 0x7f9654025bf0
        ret = false
        changed_user = false
        pipe_fns = 0x7f965403a4b0
        __FUNCTION__ = "api_pipe_request"
#13 0x00007f965231074d in process_request_pdu (p=0x7f9654049750, pkt=0x7f9654045ed0) at rpc_server/srv_pipe.c:1837
        ret = false
        status = {v = 0}
        data = {data = 0x7f9654012780 "", length = 28}
        __FUNCTION__ = "process_request_pdu"
#14 0x00007f9652310a8b in process_complete_pdu (p=0x7f9654049750) at rpc_server/srv_pipe.c:1894
        pkt = 0x7f9654045ed0
        status = {v = 0}
        reply = false
        __FUNCTION__ = "process_complete_pdu"
#15 0x00007f96523116ec in process_incoming_data (p=0x7f9654049750, data=0x7f9654060680 "\034", n=36) at rpc_server/srv_pipe_hnd.c:218
        data_to_copy = 36
        __FUNCTION__ = "process_incoming_data"
#16 0x00007f96523117f7 in write_to_internal_pipe (p=0x7f9654049750, data=0x7f9654060680 "\034", n=52) at rpc_server/srv_pipe_hnd.c:244
        data_used = 0
        data_left = 36
        __FUNCTION__ = "write_to_internal_pipe"
#17 0x00007f9652312141 in np_write_send (mem_ctx=0x7f96540609e0, ev=0x7f9653ff65b0, handle=0x7f9654013c30, data=0x7f9654060670 "\005", len=52) at rpc_server/srv_pipe_hnd.c:538
        p = 0x7f9654049750
        req = 0x7f9654060b70
        state = 0x7f9654060cf0
        status = {v = 0}
        __FUNCTION__ = "np_write_send"
#18 0x00007f96520f6a2b in smbd_smb2_write_send (mem_ctx=0x7f9654060310, ev=0x7f9653ff65b0, smb2req=0x7f9654060310, fsp=0x7f9654046ae0, in_smbpid=65279, in_data=..., in_offset=0, in_flags=0) at smbd/smb2_write.c:260
        subreq = 0x0
        status = {v = 1409490052}
        req = 0x7f9654060860
        state = 0x7f96540609e0
        smbreq = 0x7f9654060a70
        conn = 0x7f9654047c00
        nwritten = -7191827233869516375
        lock = {context = {smblctx = 63, tid = 57720, pid = {pid = 0, vnn = 0, unique_id = 140283560001739}}, start = 4222451712, size = 140283631311904, fnum = 7200, lock_type = 32662, lock_flav = (unknown: 1409489952)}
        __FUNCTION__ = "smbd_smb2_write_send"
#19 0x00007f96520f6252 in smbd_smb2_request_process_write (req=0x7f9654060310) at smbd/smb2_write.c:97
        status = {v = 0}
        inhdr = 0x7f9654060490 "\376SMB@"
        inbody = 0x7f96540605e0 "1"
        i = 1
        in_smbpid = 65279
        in_data_offset = 112
        in_data_length = 52
        in_data_buffer = {data = 0x7f9654060670 "\005", length = 52}
        in_offset = 0
        in_file_id_persistent = 11254916839840035241
        in_file_id_volatile = 12713
        in_fsp = 0x7f9654046ae0
        in_flags = 0
        subreq = 0x7f96540486b0
        __FUNCTION__ = "smbd_smb2_request_process_write"
#20 0x00007f96520e8287 in smbd_smb2_request_dispatch (req=0x7f9654060310) at smbd/smb2_server.c:1561
        inhdr = 0x7f9654060490 "\376SMB@"
        i = 1
        opcode = 9
        flags = 0
        mid = 20
        status = {v = 0}
        session_status = {v = 0}
        allowed_flags = 268435468
        return_value = {v = 2764497552}
        __FUNCTION__ = "smbd_smb2_request_dispatch"
#21 0x00007f96520eada3 in smbd_smb2_request_incoming (subreq=0x0) at smbd/smb2_server.c:2659
        sconn = 0x7f9653ff66a0
        status = {v = 0}
        req = 0x7f9654060310
        __FUNCTION__ = "smbd_smb2_request_incoming"
#22 0x00007f96520ea74e in smbd_smb2_request_read_done (subreq=0x7f9654030d70) at smbd/smb2_server.c:2510
        req = 0x7f96540488e0
        ret = 168
        sys_errno = 1409360784
        status = {v = 1409582768}
#23 0x00007f96521c8876 in tstream_readv_pdu_queue_done (subreq=0x7f965401c1e0) at ../lib/tsocket/tsocket_helpers.c:423
        req = 0x7f9654030d70
        state = 0x7f9654030200
        ret = 168
        sys_errno = -1530469456
#24 0x00007f96521c8385 in tstream_readv_pdu_ask_for_next_vector (req=0x7f965401c1e0) at ../lib/tsocket/tsocket_helpers.c:242
        state = 0x7f965404dcd0
        ret = 0
        to_read = 0
        i = 140283631396144
        subreq = 0x7f965039a01c <tevent_req_received+76>
        optimize = true
        save_optimize = false
#25 0x00007f96521c85af in tstream_readv_pdu_readv_done (subreq=0x7f96540122b0) at ../lib/tsocket/tsocket_helpers.c:316
        req = 0x7f965401c1e0
        state = 0x7f965404dcd0
        ret = 98
        sys_errno = -1530469328
#26 0x00007f96521c7901 in tstream_readv_done (subreq=0x0) at ../lib/tsocket/tsocket.c:604
        req = 0x7f96540122b0
        state = 0x7f9654046530
        state = 0x7f9654046530
        ret = 98
        sys_errno = 119
#27 0x00007f9650399834 in tevent_common_loop_immediate () from /usr/lib64/libtevent.so.0
No symbol table info available.
#28 0x00007f965246291b in run_events_poll (ev=0x7f9653ff65b0, pollrtn=0, pfds=0x0, num_pfds=0) at lib/events.c:198
        state = 0xb00000000
        pollfd_idx = 0x20000000a
        fde = 0x7f9652853f21 <smbd_event_context+9>
        now = {tv_sec = 1405657168, tv_usec = 10}
        __FUNCTION__ = "run_events_poll"
#29 0x00007f96520ccadc in smbd_server_connection_loop_once (conn=0x7f9653ff66a0) at smbd/process.c:942
        timeout = 0
        num_pfds = 2
        ret = 32662
        retry = false
#30 0x00007f96520d1b0d in smbd_process (sconn=0x7f9653ff66a0) at smbd/process.c:3106
        status = {v = 3221226029}
        frame = 0x7f9654025b90
        ss = {ss_family = 2, __ss_align = 0, 
          __ss_padding = "\017[CR\226\177\000\000`\346Ƥ\377\177\000\000\371\001\000\000\377\377\377\377\037\207\002\322l­)\000\000\000\000\000\000\000\000\307\002CR\226\177", '\000' <repeats 14 times>, "\063\000\000\000\371\001\000\000\377\377\377\377\037\207\002\322l­)\000\000\000\000\000\000\000\000P\213\377S\226\177\000\000 \346Ƥ\377\177\000\000\020\000\000\000\000\000\000"}
        sa = 0x7fffa4c6e590
        sa_socklen = 16
        local_address = 0x7f965402c2a0
        remote_address = 0x7f9654020fe0
        remaddr = 0x7f965402b890 "134.130.21.99"
        ret = 0
        __FUNCTION__ = "smbd_process"
#31 0x00007f9652854f8b in smbd_accept_connection (ev=0x7f9653ff65b0, fde=0x7f965403af40, flags=1, private_data=0x7f965403b8a0) at smbd/server.c:562
        status = {v = 0}
        s = 0x0
        addr = {ss_family = 2, __ss_align = 0, __ss_padding = "\300\346Ƥ\377\177", '\000' <repeats 105 times>}
        in_addrlen = 16
        fd = 10
        pid = 0
        unique_id = 3003270299161626399
        __FUNCTION__ = "smbd_accept_connection"
#32 0x00007f9652463003 in run_events_poll (ev=0x7f9653ff65b0, pollrtn=1, pfds=0x7f9654031be0, num_pfds=5) at lib/events.c:286
        pfd = 0x7f9654031bf8
        flags = 1
        state = 0x7f9653ffa130
        pollfd_idx = 0x7f965402ccf0
        fde = 0x7f965403af40
        now = {tv_sec = 1405657167, tv_usec = 977749}
        __FUNCTION__ = "run_events_poll"
#33 0x00007f9652463255 in s3_event_loop_once (ev=0x7f9653ff65b0, location=0x7f9652a910b9 "smbd/server.c:866") at lib/events.c:349
        state = 0x7f9653ffa130
        timeout = 2147483647
        num_pfds = 5
        ret = 1
#34 0x00007f965039900d in _tevent_loop_once () from /usr/lib64/libtevent.so.0
No symbol table info available.
#35 0x00007f9652855a6e in smbd_parent_loop (parent=0x7f965403c030) at smbd/server.c:866
        ret = 0
        frame = 0x7f9653ffd0a0
        __FUNCTION__ = "smbd_parent_loop"
#36 0x00007f9652856b7f in main (argc=4, argv=0x7fffa4c6ec68) at smbd/server.c:1357
        is_daemon = true
        interactive = false
        Fork = true
        no_process_group = false
        log_stdout = false
        ports = 0x0
        profile_level = 0x0
        opt = -1
        pc = 0x7f9653ff70d0
        print_build_options = false
        long_options = {{longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0x7f9652d82380 <poptHelpOptions>, val = 0, descrip = 0x7f9652a910f6 "Help options:", argDescrip = 0x0}, {longName = 0x7f9652a91104 "daemon", shortName = 68 'D', argInfo = 0, arg = 0x0, 
            val = 1000, descrip = 0x7f9652a9110b "Become a daemon (default)", argDescrip = 0x0}, {longName = 0x7f9652a91125 "interactive", shortName = 105 'i', argInfo = 0, arg = 0x0, val = 1001, descrip = 0x7f9652a91138 "Run interactive (not a daemon)", argDescrip = 0x0}, {
            longName = 0x7f9652a91157 "foreground", shortName = 70 'F', argInfo = 0, arg = 0x0, val = 1002, descrip = 0x7f9652a91168 "Run daemon in foreground (for daemontools, etc.)", argDescrip = 0x0}, {longName = 0x7f9652a91199 "no-process-group", shortName = 0 '\000', 
            argInfo = 0, arg = 0x0, val = 1003, descrip = 0x7f9652a911b0 "Don't create a new process group", argDescrip = 0x0}, {longName = 0x7f9652a911d1 "log-stdout", shortName = 83 'S', argInfo = 0, arg = 0x0, val = 1004, descrip = 0x7f9652a911dc "Log to stdout", 
            argDescrip = 0x0}, {longName = 0x7f9652a911ea "build-options", shortName = 98 'b', argInfo = 0, arg = 0x0, val = 98, descrip = 0x7f9652a911f8 "Print build options", argDescrip = 0x0}, {longName = 0x7f9652a9120c "port", shortName = 112 'p', argInfo = 1, 
            arg = 0x7fffa4c6eb20, val = 0, descrip = 0x7f9652a91211 "Listen on the specified ports", argDescrip = 0x0}, {longName = 0x7f9652a9122f "profiling-level", shortName = 80 'P', argInfo = 1, arg = 0x7fffa4c6eb18, val = 0, 
            descrip = 0x7f9652a9123f "Set profiling level", argDescrip = 0x7f9652a91253 "PROFILE_LEVEL"}, {longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0x7f9652d81380 <popt_common_samba>, val = 0, descrip = 0x7f9652a91261 "Common samba options:", 
            argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0x7f9652d635c0 <popt_common_dynconfig>, val = 0, descrip = 0x7f9652a91278 "Build-time configuration overrides:", argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', argInfo = 0, 
            arg = 0x0, val = 0, descrip = 0x0, argDescrip = 0x0}}
        parent = 0x7f965403c030
        frame = 0x7f9653ff1170
        status = {v = 0}
        __FUNCTION__ = "main"