root@all:~# coredumpctl debug PID: 26824 (rpc.gssd) UID: 0 (root) GID: 0 (root) Signal: 11 (SEGV) Timestamp: Sat 2020-10-03 10:29:16 CEST (5h 38min ago) Command Line: /usr/sbin/rpc.gssd -vvvvvvv -rrrrrrr -t 3600 -T 10 Executable: /usr/sbin/rpc.gssd Control Group: /system.slice/rpc-gssd.service Unit: rpc-gssd.service Slice: system.slice Boot ID: e60fc71ee667413c98017762004c67f2 Machine ID: d3d1247edbd7490591d291e33e196b79 Hostname: all Storage: /var/lib/systemd/coredump/core.rpc\x2egssd.0.e60fc71ee667413c98017762004c67f2.26824.1601713756000000.lz4 Message: Process 26824 (rpc.gssd) of user 0 dumped core. Stack trace of thread 4596: #0 0x0000563f504ab38e create_auth_rpc_client (rpc.gssd) #1 0x0000563f504ab9f8 krb5_use_machine_creds (rpc.gssd) #2 0x0000563f504abb92 process_krb5_upcall (rpc.gssd) #3 0x0000563f504ac3b3 handle_gssd_upcall (rpc.gssd) #4 0x00007f13dcd4dfa3 start_thread (libpthread.so.0) #5 0x00007f13dcc7e4cf __clone (libc.so.6) Stack trace of thread 26824: #0 0x00007f13dcc73819 __GI___poll (libc.so.6) #1 0x00007f13dcb59207 send_dg (libresolv.so.2) #2 0x00007f13dcb56c43 __GI___res_context_query (libresolv.so.2) #3 0x00007f13dcb31536 __GI__nss_dns_gethostbyaddr2_r (libnss_dns.so.2) #4 0x00007f13dcb31823 _nss_dns_gethostbyaddr_r (libnss_dns.so.2) #5 0x00007f13dcc8fee2 __gethostbyaddr_r (libc.so.6) #6 0x00007f13dcc987d5 gni_host_inet_name (libc.so.6) #7 0x0000563f504aa455 gssd_get_servername (rpc.gssd) #8 0x0000563f504aa82c gssd_read_service_info (rpc.gssd) #9 0x0000563f504ab067 gssd_inotify_clnt (rpc.gssd) #10 0x00007f13dcf269ba event_persist_closure (libevent-2.1.so.6) #11 0x00007f13dcf27537 event_process_active (libevent-2.1.so.6) #12 0x0000563f504a8eaa main (rpc.gssd) #13 0x00007f13dcba909b __libc_start_main (libc.so.6) #14 0x0000563f504a903a _start (rpc.gssd)
GNU gdb (Debian 8.2.1-2+b3) 8.2.1 Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/sbin/rpc.gssd...Reading symbols from /usr/lib/debug/.build-id/97/484761d181f6a900fc8e41e4ff6cf038e00e4c.debug...done. done. [New LWP 4596] [New LWP 26824] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/usr/sbin/rpc.gssd -vvvvvvv -rrrrrrr -t 3600 -T 10'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x0000563f504ab38e in create_auth_rpc_client (clp=clp@entry=0x563f50687c30, tgtname=tgtname@entry=0x563f5069e67f "h...@client.domain.tu-berlin.de", clnt_return=clnt_return@entry=0x7f13dcb2cde8, auth_return=auth_return@entry=0x7f13dcb2cd50, uid=uid@entry=0, cred=cred@entry=0x0, authtype=0) at gssd_proc.c:352 352 gssd_proc.c: No such file or directory. [Current thread is 1 (Thread 0x7f13dcb2d700 (LWP 4596))] (gdb) set pagination off (gdb) bt full #0 0x0000563f504ab38e in create_auth_rpc_client (clp=clp@entry=0x563f50687c30, tgtname=tgtname@entry=0x563f5069e67f "h...@client.domain.tu-berlin.de", clnt_return=clnt_return@entry=0x7f13dcb2cde8, auth_return=auth_return@entry=0x7f13dcb2cd50, uid=uid@entry=0, cred=cred@entry=0x0, authtype=0) at gssd_proc.c:352 rpc_clnt = 0x0 sec = {mech = 0x563f504b7590 <krb5oid>, qop = 0, svc = RPCSEC_GSS_SVC_NONE, cred = 0x7f13d80024d0, req_flags = 2} auth = 0x0 retval = -1 min_stat = 256 rpc_errmsg = '\000' <repeats 13 times>, "\001\000\000`\314û6إ{k\006\333m\376\225C\362L\252\206\062\312\065\377\236\272a\271M\212{\245=iٞ\230\243\066\226\200\377s\345\334\023\177\000\000d\366\202y\275b\311\365\370N\306cR\341\352Zj=\244@e19m\330\320\342\035\225\266\362^oBQ\246f\n\230\065\255a%\177)\364\064\371\230\356\217\375|\327֢\377s\345\334\023\177\000\000P\263\337nI;\v\237\313\222n4'Ǧ\324\330'aA\225\207\017\210T\222\065\202\005̜\304\023l\326\024D\034\324\063\366\032(\341\231\335\030B|\243\357\334i\000\215\327\362x\201\177C\031\375\242\017\t\201\036_\300$\000\330\023\177\000\000"... protocol = 6 timeout = {tv_sec = -705504076444949378, tv_usec = 6203012124671966628} addr = 0x563f50687d88 salen = <optimized out> #1 0x0000563f504ab9f8 in krb5_use_machine_creds (clp=clp@entry=0x563f50687c30, uid=uid@entry=0, tgtname=tgtname@entry=0x563f5069e67f "h...@client.domain.tu-berlin.de", service=service@entry=0x563f5069e6a3 "nfs", rpc_clnt=rpc_clnt@entry=0x7f13dcb2cde8) at gssd_proc.c:558 min_stat = 0 auth = 0x0 credlist = 0x7f13d8004a00 ccname = 0x7f13d8004a00 nocache = <optimized out> success = 0 #2 0x0000563f504abb92 in process_krb5_upcall (clp=clp@entry=0x563f50687c30, uid=uid@entry=0, fd=10, tgtname=tgtname@entry=0x563f5069e67f "h...@client.domain.tu-berlin.de", service=service@entry=0x563f5069e6a3 "nfs") at gssd_proc.c:646 rpc_clnt = 0x0 auth = <optimized out> pd = {pd_ctx = 0x0, pd_ctx_hndl = {length = 0, value = 0x0}, pd_seq_win = 0} token = {length = 0, value = 0x0} err = 1349117544 downcall_err = -13 maj_stat = <optimized out> min_stat = 1349108960 lifetime_rec = 22079 gacceptor = 0x0 mech = 0x7f13d8000020 acceptor = {length = 0, value = 0x0} #3 0x0000563f504ac3b3 in handle_gssd_upcall (info=0x563f5069e660) at gssd_proc.c:805 clp = 0x563f50687c30 uid = 0 p = 0x563f5069e677 "" mech = <optimized out> uidstr = <optimized out> target = 0x563f5069e67f "h...@client.domain.tu-berlin.de" service = 0x563f5069e6a3 "nfs" enctypes = 0x563f5069e6b0 "18,17,16,23,3,1,2" upcall_str = 0x7f13d8025f50 "mech=krb5 uid=0 target=h...@client.domain.tu-berlin.de service=nfs enctypes=18,17,16,23,3,1,2 " pbuf = 0x0 __func__ = "handle_gssd_upcall" #4 0x00007f13dcd4dfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486 ret = <optimized out> pd = <optimized out> now = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139723283814144, -6716850532091874603, 140727067529374, 140727067529375, 139723283814144, 94829932045632, 6696656257836987093, 6696656584800940757}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = <optimized out> #5 0x00007f13dcc7e4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. (gdb) thread apply all bt full Thread 2 (Thread 0x7f13dcb4b740 (LWP 26824)): #0 0x00007f13dcc73819 in __GI___poll (fds=fds@entry=0x7ffd92dea918, nfds=nfds@entry=1, timeout=5000, timeout@entry=<error reading variable: That operation is not available on integers of more than 8 bytes.>) at ../sysdeps/unix/sysv/linux/poll.c:29 resultvar = 18446744073709551100 sc_cancel_oldtype = 0 sc_ret = <optimized out> #1 0x00007f13dcb59207 in send_dg (ansp2_malloced=<optimized out>, resplen2=<optimized out>, anssizp2=<optimized out>, ansp2=<optimized out>, anscp=<optimized out>, gotsomewhere=<synthetic pointer>, v_circuit=<synthetic pointer>, ns=<optimized out>, terrno=0x7ffd92dea8d8, anssizp=0x7ffd92deaa10, ansp=0x7ffd92dea8c8, buflen2=<optimized out>, buf2=<optimized out>, buflen=<optimized out>, buf=<optimized out>, statp=<optimized out>) at res_send.c:1112 hp = <optimized out> from = {sin6_family = 30496, sin6_port = 20584, sin6_flowinfo = 22079, sin6_addr = {__in6_u = {__u6_addr8 = "\353h\265\334\023\177\000\000\063\000\000\000\000\000\000", __u6_addr16 = {26859, 56501, 32531, 0, 51, 0, 0, 0}, __u6_addr32 = {3702876395, 32531, 51, 0}}}, sin6_scope_id = 3703573230} seconds = <optimized out> retval = <optimized out> recvresp1 = <optimized out> n = <optimized out> single_request_reopen = <optimized out> recvresp2 = <optimized out> timeout = {tv_sec = 5, tv_nsec = 0} save_gotsomewhere = <optimized out> hp2 = <optimized out> finish = {tv_sec = <optimized out>, tv_nsec = 45580000} pfd = {{fd = 15, events = 1, revents = 0}} resplen = 0 single_request = <optimized out> now = {tv_sec = 1601713756, tv_nsec = 45580000} ptimeout = <optimized out> need_recompute = 0 nwritten = <optimized out> hp = <optimized out> hp2 = <optimized out> now = <optimized out> timeout = <optimized out> finish = <optimized out> pfd = <optimized out> ptimeout = <optimized out> from = <optimized out> resplen = <optimized out> n = <optimized out> seconds = <optimized out> single_request_reopen = <optimized out> single_request = <optimized out> save_gotsomewhere = <optimized out> retval = <optimized out> need_recompute = <optimized out> nwritten = <optimized out> recvresp1 = <optimized out> recvresp2 = <optimized out> __PRETTY_FUNCTION__ = "send_dg" iov = <optimized out> iov2 = <optimized out> reqs = <optimized out> ndg = <optimized out> sr = <optimized out> thisanssizp = <optimized out> thisansp = <optimized out> thisresplenp = <optimized out> anhp = <optimized out> fromlen = <optimized out> newp = <optimized out> #2 __res_context_send (ctx=ctx@entry=0x563f50687720, buf=buf@entry=0x7ffd92deaa40 "\203y\001", buflen=buflen@entry=45, buf2=buf2@entry=0x0, buflen2=buflen2@entry=0, ans=<optimized out>, ans@entry=0x7ffd92deac40 "\303D\205\200", anssiz=<optimized out>, ansp=<optimized out>, ansp2=<optimized out>, nansp2=<optimized out>, resplen2=<optimized out>, ansp2_malloced=<optimized out>) at res_send.c:519 ns = <optimized out> ns_shift = <optimized out> statp = <optimized out> gotsomewhere = <optimized out> terrno = 110 try = <optimized out> v_circuit = 0 resplen = <optimized out> n = <optimized out> ns_offset = <optimized out> #3 0x00007f13dcb56c43 in __GI___res_context_query (ctx=ctx@entry=0x563f50687720, name=name@entry=0x7ffd92deb0b0 "XX.XX.149.130.in-addr.arpa", class=class@entry=1, type=type@entry=12, answer=0x7ffd92deac40 "\303D\205\200", anslen=anslen@entry=1024, answerp=0x7ffd92deb0a8, answerp2=0x0, nanswerp2=0x0, resplen2=0x0, answerp2_malloced=0x0) at res_query.c:216 statp = 0x7f13dcd44900 <_res> hp = 0x7ffd92deac40 hp2 = <optimized out> n = <optimized out> use_malloc = 0 bufsize = <optimized out> buf = 0x7ffd92deaa40 "\203y\001" query1 = 0x7ffd92deaa40 "\203y\001" nquery1 = <optimized out> query2 = 0x0 nquery2 = 0 __PRETTY_FUNCTION__ = "__res_context_query" #4 0x00007f13dcb31536 in __GI__nss_dns_gethostbyaddr2_r (addr=<optimized out>, len=<optimized out>, af=<optimized out>, result=0x7ffd92deb650, buffer=0x7ffd92deb810 "\377\002", buflen=1024, errnop=0x7f13dcb4b6a0, h_errnop=0x7ffd92deb63c, ttlp=0x0) at nss_dns/dns-host.c:536 mapped = "\000\000\000\000\000\000\000\000\000\000\377\377" tunnelled = '\000' <repeats 11 times> v6local = "\000\000\000\001" uaddr = <optimized out> host_data = 0x7ffd92deb810 host_buffer = {buf = 0x7ffd92deac40, ptr = 0x7ffd92deac40 "\303D\205\200"} orig_host_buffer = 0x7ffd92deac40 qbuf = "XX.XX.149.130.in-addr.arpa", '\000' <repeats 189 times>... qp = <optimized out> size = <optimized out> n = <optimized out> status = <optimized out> olderr = 22 pad = 0 ctx = 0x563f50687720 #5 0x00007f13dcb31823 in _nss_dns_gethostbyaddr_r (addr=<optimized out>, len=<optimized out>, af=<optimized out>, result=<optimized out>, buffer=<optimized out>, buflen=<optimized out>, errnop=0x7f13dcb4b6a0, h_errnop=0x7ffd92deb63c) at nss_dns/dns-host.c:576 No locals. #6 0x00007f13dcc8fee2 in __gethostbyaddr_r (addr=addr@entry=0x563f50687d8c, len=len@entry=4, type=type@entry=2, resbuf=resbuf@entry=0x7ffd92deb650, buffer=<optimized out>, buflen=<optimized out>, result=<optimized out>, h_errnop=<optimized out>) at ../nss/getXXbyYY_r.c:315 startp_initialized = true startp = 0xeb654d79e8532d5 start_fct = 0x5cef4d602ca532d5 nip = 0x563f50689ef0 do_merge = 0 mergegrp = <optimized out> mergebuf = 0x0 endptr = 0x0 fct = {l = 0x7f13dcb31810 <_nss_dns_gethostbyaddr_r>, ptr = 0x7f13dcb31810 <_nss_dns_gethostbyaddr_r>} no_more = 0 err = <optimized out> status = NSS_STATUS_UNAVAIL nscd_status = <optimized out> any_service = true res_ctx = <optimized out> res = <optimized out> #7 0x00007f13dcc987d5 in gni_host_inet_name (addrlen=<optimized out>, flags=8, hostlen=1025, host=0x7ffd92debc90 "client.domain.tu-berlin.de", sa=0x563f50687d88, tmpbuf=0x7ffd92deb800) at ../include/scratch_buffer.h:101 sinp = <optimized out> herrno = 1 th = {h_name = 0x7ffd92deb838 "ip6-allrouters", h_aliases = 0x7ffd92deb860, h_addrtype = 2, h_length = 4, h_addr_list = 0x7ffd92deb820} h = 0x0 herrno = <optimized out> th = <optimized out> h = <optimized out> sin6p = <optimized out> sinp = <optimized out> c = <optimized out> do_idn = <optimized out> h_name = <optimized out> len = <optimized out> rc = <optimized out> #8 gni_host_inet (addrlen=<optimized out>, flags=8, hostlen=1025, host=0x7ffd92debc90 "client.domain.tu-berlin.de", sa=0x563f50687d88, tmpbuf=0x7ffd92deb800) at getnameinfo.c:367 result = <optimized out> #9 gni_host (addrlen=<optimized out>, flags=8, hostlen=1025, host=0x7ffd92debc90 "client.domain.tu-berlin.de", sa=0x563f50687d88, tmpbuf=0x7ffd92deb800) at getnameinfo.c:409 No locals. #10 __GI_getnameinfo (sa=0x563f50687d88, addrlen=<optimized out>, host=0x7ffd92debc90 "client.domain.tu-berlin.de", hostlen=1025, serv=0x0, servlen=0, flags=8) at getnameinfo.c:523 result = <optimized out> tmpbuf = {data = 0x7ffd92deb810, length = 1024, __space = {__align = {__max_align_ll = 767, __max_align_ld = 5.12978240658353772249e-4937}, __c = "\377\002", '\000' <repeats 13 times>, "\002\020\270ޒ\375\177", '\000' <repeats 11 times>, "f02::2\000ip6-allrouters\000\000calhost\000ip6-loopback\000\000apB\270ޒ\375\177\000\000P\270ޒ\375\177\000\000\000\000\000\000\000\000\000\000\364\270ޒ\375\177\000\000p\273ޒ\375\177\000\000\200=\320\334\023\177\000\000 \274ޒ\375\177\000\000p\274ޒ\375\177\000\000\020\301ޒ\375\177\000\000\347\311\311\334\023\177\000\000\300\277ޒ\375\177\000\000\020\301ޒ\375\177\000\000p\273ޒ\375\177\000\000\002", '\000' <repeats 15 times>, "\202w\306\334\023\177\000\000\000\000\000\000\000\000\000\000"...}} #11 0x0000563f504aa455 in gssd_get_servername (name=<optimized out>, sa=0x563f50687d88, addr=0x563f5069d990 "130.149.X.X") at gssd.c:225 addrlen = <optimized out> err = <optimized out> hbuf = "client.domain.tu-berlin.de\000e\000e\000\000e\000\000\000\060\000\000\000\060\000\000\000\354\366\026\335\023\177\000\000\000\000\000\000\000\000\000\000\353\001\000\000\000\000\000\000\000u\326\334\023\177\000\000\001\000\000\000\000\000\000\000\200r\270\334\023\177\000\000\364\372\026\335\023\177\000\000\353\001\000\000\000\000\000\000\346\030\304\334\023\177\000\000\000u\326\334\023\177\000\000\002\000\000\000\000\000\000\000p\277ޒ\375\177\000\000@\333\323\334\023\177\000\000'\277ޒ\375\177\000\000\060\216hP?V\000\000\357\037\000\000\000\000\000\000\241\\JP?V\000\000\233\326\067\314\n\000\000\000\002\000\000\000\375\177\000\000\001\000\000\000\000\000\000\000P\276"... buf = "\202\225\247^?V\000\000\000\000\000\000\000\000\000" #12 0x0000563f504aa82c in gssd_read_service_info (clp=0x563f50687c30, dirfd=10) at gssd.c:326 server = 0x563f50694370 "130.149.X.X" fd = <optimized out> info = 0x563f50686790 numfields = <optimized out> servername = 0x0 service = 0x563f50687b90 "nfs4_cb" program = 1073741824 version = 1 address = 0x563f5069d990 "130.149.X.X" protoname = 0x563f5069c520 "tcp" port = 0x563f50687750 "41475" fd = <optimized out> info = <optimized out> numfields = <optimized out> server = <optimized out> service = <optimized out> program = <optimized out> version = <optimized out> address = <optimized out> protoname = <optimized out> port = <optimized out> servername = <optimized out> #13 gssd_scan_clnt (clp=0x563f50687c30) at gssd.c:551 clntfd = 10 gssd_was_closed = <optimized out> krb5_was_closed = <optimized out> #14 0x0000563f504ab067 in gssd_inotify_clnt (ev=0x7ffd92dec180, clp=0x563f50687c30, tdi=0x563f5068a490) at gssd.c:738 No locals. #15 gssd_inotify_cb (ifd=8, UNUSED_which=<optimized out>, UNUSED_data=<optimized out>) at gssd.c:800 buf = "\204\000\000\000\000\001\000\000\000\000\000\000\020\000\000\000info", '\000' <repeats 12 times>, "\203\000\000\000\000\002\000\000\000\000\000\000\020\000\000\000gssd", '\000' <repeats 12 times>, "\203\000\000\000\000\002\000\000\000\000\000\000\020\000\000\000info", '\000' <repeats 12 times>, "\005\000\000\000\000\001\000@\000\000\000\000\020\000\000\000clnt1580\000\000\000\000\000\000\000\000\070\0XX.XX.149.130.in-addr.arpa\000\000\177\000\000\224\302ޒ\375\177\000\000\236\v\312\334\023\177\000\000\000\000\000\000\000\000\000\000\350\346\262\334\023\177\000\000\370\342\262\334\023\177\000\000\340"... ev = 0x7ffd92dec180 len = <optimized out> ptr = 0x7ffd92dec180 "\204" rescan = <optimized out> tdi = 0x563f5068a490 clp = 0x563f50687c30 #16 0x00007f13dcf269ba in event_persist_closure (ev=<optimized out>, base=0x563f50689410) at event.c:1580 evcb_fd = <optimized out> evcb_callback = <optimized out> evcb_res = 2 evcb_arg = 0x0 evcb_callback = <optimized out> evcb_fd = <optimized out> evcb_res = <optimized out> evcb_arg = <optimized out> run_at = <optimized out> relative_to = <optimized out> delay = <optimized out> now = <optimized out> usec_mask = <optimized out> #17 event_process_active_single_queue (base=base@entry=0x563f50689410, activeq=0x563f50689050, max_to_process=max_to_process@entry=2147483647, endtime=endtime@entry=0x0) at event.c:1639 ev = <optimized out> evcb = <optimized out> count = 1 __func__ = "event_process_active_single_queue" #18 0x00007f13dcf27537 in event_process_active (base=0x563f50689410) at event.c:1738 activeq = <optimized out> i = 0 c = 0 tv = {tv_sec = 94829931951488, tv_usec = 94829930051904} maxcb = <optimized out> endtime = 0x0 limit_after_prio = 2147483647 activeq = <optimized out> i = <optimized out> c = <optimized out> endtime = <optimized out> tv = <optimized out> maxcb = <optimized out> limit_after_prio = <optimized out> #19 event_base_loop (base=0x563f50689410, flags=<optimized out>) at event.c:1961 n = <optimized out> evsel = 0x7f13dd157dc0 <epollops> tv = {tv_sec = 94829930028095, tv_usec = 94829931970272} tv_p = <optimized out> res = <optimized out> done = 0 retval = 0 __func__ = "event_base_loop" #20 0x0000563f504a8eaa in main (argc=<optimized out>, argv=0x7ffd92ded4a8) at gssd.c:1006 fg = 0 verbosity = 7 rpc_verbosity = 7 opt = <optimized out> i = <optimized out> progname = <optimized out> ccachedir = <optimized out> sighup_ev = {ev_evcallback = {evcb_active_next = {tqe_next = 0x7ffd92df8268, tqe_prev = 0x7f13dd18f730}, evcb_flags = 130, evcb_pri = 0 '\000', evcb_closure = 1 '\001', evcb_cb_union = {evcb_callback = 0x563f504ab260 <gssd_scan_cb>, evcb_selfcb = 0x563f504ab260 <gssd_scan_cb>, evcb_evfinalize = 0x563f504ab260 <gssd_scan_cb>, evcb_cbfinalize = 0x563f504ab260 <gssd_scan_cb>}, evcb_arg = 0x0}, ev_timeout_pos = {ev_next_with_common_timeout = {tqe_next = 0xffffffff, tqe_prev = 0x0}, min_heap_idx = -1}, ev_fd = 1, ev_base = 0x563f50689410, ev_ = {ev_io = {ev_io_next = {le_next = 0x0, le_prev = 0x563f50688f50}, ev_timeout = {tv_sec = 140727067475968, tv_usec = 0}}, ev_signal = {ev_signal_next = {le_next = 0x0, le_prev = 0x563f50688f50}, ev_ncalls = 0, ev_pncalls = 0x0}}, ev_events = 24, ev_res = 0, ev_timeout = {tv_sec = 0, tv_usec = 94829930023957}} Thread 1 (Thread 0x7f13dcb2d700 (LWP 4596)): #0 0x0000563f504ab38e in create_auth_rpc_client (clp=clp@entry=0x563f50687c30, tgtname=tgtname@entry=0x563f5069e67f "h...@client.domain.tu-berlin.de", clnt_return=clnt_return@entry=0x7f13dcb2cde8, auth_return=auth_return@entry=0x7f13dcb2cd50, uid=uid@entry=0, cred=cred@entry=0x0, authtype=0) at gssd_proc.c:352 rpc_clnt = 0x0 sec = {mech = 0x563f504b7590 <krb5oid>, qop = 0, svc = RPCSEC_GSS_SVC_NONE, cred = 0x7f13d80024d0, req_flags = 2} auth = 0x0 retval = -1 min_stat = 256 rpc_errmsg = '\000' <repeats 13 times>, "\001\000\000`\314û6إ{k\006\333m\376\225C\362L\252\206\062\312\065\377\236\272a\271M\212{\245=iٞ\230\243\066\226\200\377s\345\334\023\177\000\000d\366\202y\275b\311\365\370N\306cR\341\352Zj=\244@e19m\330\320\342\035\225\266\362^oBQ\246f\n\230\065\255a%\177)\364\064\371\230\356\217\375|\327֢\377s\345\334\023\177\000\000P\263\337nI;\v\237\313\222n4'Ǧ\324\330'aA\225\207\017\210T\222\065\202\005̜\304\023l\326\024D\034\324\063\366\032(\341\231\335\030B|\243\357\334i\000\215\327\362x\201\177C\031\375\242\017\t\201\036_\300$\000\330\023\177\000\000"... protocol = 6 timeout = {tv_sec = -705504076444949378, tv_usec = 6203012124671966628} addr = 0x563f50687d88 salen = <optimized out> #1 0x0000563f504ab9f8 in krb5_use_machine_creds (clp=clp@entry=0x563f50687c30, uid=uid@entry=0, tgtname=tgtname@entry=0x563f5069e67f "h...@client.domain.tu-berlin.de", service=service@entry=0x563f5069e6a3 "nfs", rpc_clnt=rpc_clnt@entry=0x7f13dcb2cde8) at gssd_proc.c:558 min_stat = 0 auth = 0x0 credlist = 0x7f13d8004a00 ccname = 0x7f13d8004a00 nocache = <optimized out> success = 0 #2 0x0000563f504abb92 in process_krb5_upcall (clp=clp@entry=0x563f50687c30, uid=uid@entry=0, fd=10, tgtname=tgtname@entry=0x563f5069e67f "h...@client.domain.tu-berlin.de", service=service@entry=0x563f5069e6a3 "nfs") at gssd_proc.c:646 rpc_clnt = 0x0 auth = <optimized out> pd = {pd_ctx = 0x0, pd_ctx_hndl = {length = 0, value = 0x0}, pd_seq_win = 0} token = {length = 0, value = 0x0} err = 1349117544 downcall_err = -13 maj_stat = <optimized out> min_stat = 1349108960 lifetime_rec = 22079 gacceptor = 0x0 mech = 0x7f13d8000020 acceptor = {length = 0, value = 0x0} #3 0x0000563f504ac3b3 in handle_gssd_upcall (info=0x563f5069e660) at gssd_proc.c:805 clp = 0x563f50687c30 uid = 0 p = 0x563f5069e677 "" mech = <optimized out> uidstr = <optimized out> target = 0x563f5069e67f "h...@client.domain.tu-berlin.de" service = 0x563f5069e6a3 "nfs" enctypes = 0x563f5069e6b0 "18,17,16,23,3,1,2" upcall_str = 0x7f13d8025f50 "mech=krb5 uid=0 target=h...@client.domain.tu-berlin.de service=nfs enctypes=18,17,16,23,3,1,2 " pbuf = 0x0 __func__ = "handle_gssd_upcall" #4 0x00007f13dcd4dfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486 ret = <optimized out> pd = <optimized out> now = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139723283814144, -6716850532091874603, 140727067529374, 140727067529375, 139723283814144, 94829932045632, 6696656257836987093, 6696656584800940757}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = <optimized out> #5 0x00007f13dcc7e4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. (gdb) quit