(gdb) bt full #0 0x00007fc1c7ceef3b in pthread_once () from /lib/libpthread.so.0 No symbol table info available. #1 0x00007fc1c75ae394 in backtrace () from /lib/libc.so.6 No symbol table info available. #2 0x00007fc1c751c50f in ?? () from /lib/libc.so.6 No symbol table info available. #3 0x00007fc1c75265b6 in ?? () from /lib/libc.so.6 No symbol table info available. #4 0x00007fc1c7526a1f in ?? () from /lib/libc.so.6 No symbol table info available. #5 0x00007fc1c7529fad in ?? () from /lib/libc.so.6 No symbol table info available. #6 0x00007fc1c752d424 in calloc () from /lib/libc.so.6 No symbol table info available. #7 0x00007fc1cc5c445f in ?? () from /lib64/ld-linux-x86-64.so.2 No symbol table info available. #8 0x00007fc1cc5bf4b6 in ?? () from /lib64/ld-linux-x86-64.so.2 No symbol table info available. #9 0x00007fc1cc5c13a0 in ?? () from /lib64/ld-linux-x86-64.so.2 No symbol table info available. #10 0x00007fc1cc5cc5f9 in ?? () from /lib64/ld-linux-x86-64.so.2 No symbol table info available. #11 0x00007fc1cc5c79c6 in ?? () from /lib64/ld-linux-x86-64.so.2 No symbol table info available. #12 0x00007fc1cc5cbffa in ?? () from /lib64/ld-linux-x86-64.so.2 No symbol table info available. #13 0x00007fc1c75d3ba0 in ?? () from /lib/libc.so.6 No symbol table info available. #14 0x00007fc1cc5c79c6 in ?? () from /lib64/ld-linux-x86-64.so.2 No symbol table info available. #15 0x00007fc1c75d3cf7 in __libc_dlopen_mode () from /lib/libc.so.6 No symbol table info available. #16 0x00007fc1c75ae295 in ?? () from /lib/libc.so.6 No symbol table info available. #17 0x00007fc1c7ceef43 in pthread_once () from /lib/libpthread.so.0 No symbol table info available. #18 0x00007fc1c75ae394 in backtrace () from /lib/libc.so.6 No symbol table info available. #19 0x00007fc1cac63a1f in call_backtrace () at ../../lib/util/fault.c:58 backtrace_stack = {0x7fc1cac52728, 0x100000000, 0x100000246, 0x7fc1c751b423, 0x7ffffbad8000, 0x7fc1cc7d5d58, 0x7fffe8850870, 0x0, 0x7fffe8850898, 0x7fc1cc7d5a00, 0x56584180, 0x7fc1cc5c3772, 0x0, 0x0, 0x1, 0x0, 0x1, 0x7fc1cc7d5a00, 0x0, 0x0, 0x1d00000, 0x0, 0x7fc1cc7d5d58, 0x7fffe8850820, 0x7fffe8850838, 0x100000000, 0x1d03d85, 0x7fc1cac53705, 0x7fffe8850910, 0x6, 0x7fc1cbaf4f12, 0x10, 0x0, 0x7fc1c752ce53, 0x72, 0x7fffe8850910, 0x6, 0x7fc1cbaf4f12, 0x7fc1cac52728, 0x7fc1cc7d5a00, 0x72, 0xffffffff, 0x3000000010, 0x1, 0x22f318, 0x0, 0x10, 0x0, 0x7fc1cac4d000, 0x7fc1cc5c77d1, 0x1, 0x0, 0x7fffe88508e0, 0x7fc1cac52728, 0x72, 0x72, 0x7fffe8850a30, 0x6, 0x7fc1cbaf4f12, 0x7fc1cc5ce475, 0x1d02090, 0x7fc1c7cf08c0, 0xffffffffffffffc0, 0x0} backtrace_size = 2333824924645138531 backtrace_strings = 0x2923c20 __FUNCTION__ = "call_backtrace" #20 0x00007fc1cac63d0c in smb_panic ( why=0x7fc1c9d886c8 "Bad talloc magic value - double free") at ../../lib/util/fault.c:145 result = 0 __FUNCTION__ = "smb_panic" #21 0x00007fc1c9d84ff9 in talloc_abort ( reason=0x7fc1c9d886c8 "Bad talloc magic value - double free") at ../../lib/talloc/talloc.c:202 No locals. #22 0x00007fc1c9d85075 in talloc_abort_double_free () at ../../lib/talloc/talloc.c:218 No locals. #23 0x00007fc1c9d850f2 in talloc_chunk_from_ptr (ptr=0x2691e10) at ../../lib/talloc/talloc.c:239 pp = 0x2691e10 "\220\261\304\002" tc = 0x2691dc0 #24 0x00007fc1c9d85351 in __talloc (context=0x2691e10, size=34) at ../../lib/talloc/talloc.c:400 tc = 0x0 #25 0x00007fc1c9d877c0 in __talloc_strlendup (t=0x2691e10, p=0x21144d0 " Miscellaneous failure (see text)", len=33) at ../../lib/talloc/talloc.c:1580 ret = 0x7fc1cb89352a "\353\vH\213U\310H\213E\230H\211\020\213E\354H\201ĸ" #26 0x00007fc1c9d878b9 in talloc_strndup (t=0x2691e10, p=0x21144d0 " Miscellaneous failure (see text)", n=33) at ../../lib/talloc/talloc.c:1605 No locals. #27 0x00007fc1c9751300 in gssapi_error_string (mem_ctx=0x2691e10, maj_stat=851968, min_stat=2529638919, mech=0x7fc1cbdaebb0) at ../auth/gensec/gensec_gssapi.c:70 disp_min_stat = 0 disp_maj_stat = 0 maj_error_message = {length = 33, value = 0x21144d0} min_error_message = {length = 105, value = 0x2a43130} maj_error_string = 0x7fc1cac634a3 "\311\303UH\211\345H\203\354 \211}\374\211u\370H\211U\360H\211M\350H\213U\350H\213M\360\213E\374H\211Ή\307\350\310@\377\377\311\303UH\211\345H\201\354", min_error_string = 0x7fffe8850bd0 "\340\f\205\350\377\177" msg_ctx = 0 ret = 0x2afb120 "\300Ш\001" #28 0x00007fc1c9752703 in gensec_gssapi_update (gensec_security=0x1d02a80, out_mem_ctx=0x2a9dbe0, in=..., out=0x2a9dbe8) at ../auth/gensec/gensec_gssapi.c:560 gensec_gssapi_state = 0x2691e10 nt_status = {v = 3221225581} maj_stat = 851968 min_stat = 2529638919 min_stat2 = 0 input_token = {length = 0, value = 0x0} output_token = {length = 0, value = 0x0} gss_oid_p = 0x7fc1cbdaebb0 __FUNCTION__ = "gensec_gssapi_update" #29 0x00007fc1c975a5fb in gensec_update (gensec_security=0x1d02a80, out_mem_ctx=0x2a9dbe0, in=..., out=0x2a9dbe8) at ../auth/gensec/gensec.c:988 No locals. #30 0x00007fc1ca3c29e8 in dcerpc_bind_auth_send (mem_ctx=0x25cd9d0, p=0x2a432d0, table=0x7fc1cbd9b5a0, credentials=0x18b6a20, gensec_settings=0x21221b0, auth_type=16 '\020', auth_level=6 '\006', service=0x7fc1cbaf4f12 "ldap") at ../librpc/rpc/dcerpc_auth.c:325 c = 0x1ec3250 creq = 0x7fffe8850e10 state = 0x2a9dbe0 sec = 0x26976d0 syntax = {uuid = {time_low = 3813753397, time_mid = 19206, time_hi_and_version = 4561, clock_seq = "\253\004", node = "\000\300O\302\334", }, if_version = 4} transfer_syntax = {uuid = {time_low = 2324192516, time_mid = 7403, time_hi_and_version = 4553, clock_seq = "\237", , node = "\b\000+\020H`"}, if_version = 2} __FUNCTION__ = "dcerpc_bind_auth_send" #31 0x00007fc1ca3c4d39 in dcerpc_pipe_auth_send (p=0x2a432d0, binding=0x1a9e650, table=0x7fc1cbd9b5a0, credentials=0x18b6a20, lp_ctx=0x18a47e0) at ../librpc/rpc/dcerpc_util.c:629 c = 0x25cd9d0 s = 0x2c4af80 auth_schannel_req = 0x7fc1ca3ea438 auth_req = 0x7fc1c9d8579a auth_none_req = 0x7fffe8850ef0 conn = 0x26976c0 auth_type = 16 '\020' #32 0x00007fc1ca3ca32c in continue_pipe_connect (c=0x2a42080, s=0x2a9ea00) at ../librpc/rpc/dcerpc_connect.c:684 auth_bind_req = 0x7fc1ca3c98b4 #33 0x00007fc1ca3ca17d in continue_pipe_connect_ncacn_ip_tcp (ctx=0x25cd9d0) at ../librpc/rpc/dcerpc_connect.c:632 c = 0x2a42080 s = 0x2a9ea00 #34 0x00007fc1cb7cb14a in composite_done (ctx=0x25cd9d0) at ../libcli/composite/composite.c:144 No locals. #35 0x00007fc1ca3c96db in continue_pipe_open_ncacn_ip_tcp (ctx=0x29ca780) at ../librpc/rpc/dcerpc_connect.c:297 c = 0x25cd9d0 #36 0x00007fc1cb7cb14a in composite_done (ctx=0x29ca780) at ../libcli/composite/composite.c:144 No locals. #37 0x00007fc1ca3c8795 in continue_ipv4_open_socket (ctx=0x29d3f40) at ../librpc/rpc/dcerpc_sock.c:452 c = 0x29ca780 s = 0x1d04730 __FUNCTION__ = "continue_ipv4_open_socket" #38 0x00007fc1cb7cb14a in composite_done (ctx=0x29d3f40) at ../libcli/composite/composite.c:144 No locals. #39 0x00007fc1ca3c82eb in continue_socket_connect (ctx=0x2a9df10) at ../librpc/rpc/dcerpc_sock.c:302 conn = 0x26976c0 sock = 0x2923dd0 c = 0x29d3f40 s = 0x293a590 __FUNCTION__ = "continue_socket_connect" #40 0x00007fc1cb7cb14a in composite_done (ctx=0x2a9df10) at ../libcli/composite/composite.c:144 No locals. #41 0x00007fc1cb7fa082 in socket_connect_handler (ev=0x18b5c70, fde=0x235fc70, flags=2, private_data=0x2a9df10) at ../lib/socket/connect.c:131 result = 0x2a9df10 state = 0x25ce850 #42 0x00007fc1ca600833 in epoll_event_loop (std_ev=0x18b52f0, tvalp=0x7fffe88512d0) at ../../lib/tevent/tevent_standard.c:309 fde = 0x235fc70 flags = 2 ret = 1 i = 0 events = {{events = 4, data = {ptr = 0x235fc70, fd = 37092464, u32 = 37092464, u64 = 37092464}}} timeout = 4107 #43 0x00007fc1ca600f9f in std_event_loop_once (ev=0x18b5c70, location=0x8799c7 "../smbd/server.c:474") at ../../lib/tevent/tevent_standard.c:544 std_ev = 0x18b52f0 tval = {tv_sec = 4, tv_usec = 106978} #44 0x00007fc1ca5fcbb8 in _tevent_loop_once (ev=0x18b5c70, location=0x8799c7 "../smbd/server.c:474") at ../../lib/tevent/tevent.c:494 ret = 0 nesting_stack_ptr = 0x0 #45 0x00007fc1ca5fcdf5 in tevent_common_loop_wait (ev=0x18b5c70, location=0x8799c7 "../smbd/server.c:474") at ../../lib/tevent/tevent.c:595 ret = 0 #46 0x00007fc1ca5fcec0 in _tevent_loop_wait (ev=0x18b5c70, location=0x8799c7 "../smbd/server.c:474") at ../../lib/tevent/tevent.c:614 No locals. #47 0x0000000000791009 in binary_smbd_main (binary_name=0x8794e3 "samba", argc=5, argv=0x7fffe8851778) at ../smbd/server.c:474 opt_daemon = false opt_interactive = true opt = -1 pc = 0x18a4040 static_init = {0x587e18 , 0x43a1ff , 0x4494aa , 0x73149c , 0x52927c , 0x562c7e , 0x757af0 , 0x4f5215 , 0x497771 , 0x551b27 , 0x75927c , 0x4e9c91 , 0x7465be , 0x798abf , 0x5ef26d , 0} shared_init = 0x0 event_ctx = 0x18b5c70 stdin_event_flags = 1 status = {v = 0} model = 0x18a8830 "single" max_runtime = 0 long_options = {{longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0x7fc1caa0f1a0, val = 0, descrip = 0x879652 "Help options:", argDescrip = 0x0}, {longName = 0x879660 "daemon", shortName = 68 'D', argInfo = 0, arg = 0x0, val = 1000, descrip = 0x879667 "Become a daemon (default)", argDescrip = 0x0}, {longName = 0x879681 "interactive", shortName = 105 'i', argInfo = 0, arg = 0x0, val = 1001, descrip = 0x879690 "Run interactive (not a daemon)", argDescrip = 0x0}, {longName = 0x8796af "model", shortName = 77 'M', argInfo = 1, arg = 0x0, val = 1002, descrip = 0x8796b5 "Select process model", argDescrip = 0x8796ca "MODEL"}, { longName = 0x8796d0 "maximum-runtime", shortName = 0 '\000', argInfo = 2, arg = 0x7fffe885164c, val = 0, descrip = 0x8796e0 "set maximum runtime of the server process, till autotermination", argDescrip = 0x879720 "seconds"}, { longName = 0x879728 "show-build", shortName = 98 'b', argInfo = 0, arg = 0x0, val = 1003, descrip = 0x879733 "show build info", argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0xadbb60, val = 0, descrip = 0x879743 "Common samba options:", argDescrip = 0x0}, { longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0xadbd20, val = 0, descrip = 0x879743 "Common samba options:", argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\000', argInfo = 0, arg = 0x0, val = 0, descrip = 0x0, argDescrip = 0x0}} __FUNCTION__ = "binary_smbd_main" #48 0x000000000079104f in main (argc=5, argv=0x7fffe8851778) at ../smbd/server.c:485 No locals.