Core was generated by `/usr/bin/knsupdate -k /tmp/tsig.key /tmp/tmp.17EBRdeI8j'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x000055555556161c in net_send (net=net@entry=0x7ffffffcbba0, buf=0x555555592a10 "f\364(", buf_len=196) at utils/common/netio.c:587 587 utils/common/netio.c: No such file or directory. (gdb) bt full #0 0x000055555556161c in net_send (net=net@entry=0x7ffffffcbba0, buf=0x555555592a10 "f\364(", buf_len=196) at utils/common/netio.c:587 proxy_buf = "\000\000\000\000\000U\000\000\000\037\363\f\245(\253i\000\b\000\000\000\000\000\000\240\273\374\377\377\177\000\000\002\000\000\000\000\000\000\000\003\000\000\000\000\000\000\000p\275\374\377" iov = {{iov_base = 0x0, iov_len = 0}, {iov_base = 0x555555592a10, iov_len = 196}} msg = {msg_name = 0x0, msg_namelen = 0, msg_iov = 0x0, msg_iovlen = 0, msg_control = 0x0, msg_controllen = 0, msg_flags = 0} total = __func__ = "net_send" #1 0x000055555555adee in pkt_sendrecv (params=params@entry=0x7ffffffcbdf0) at utils/knsupdate/knsupdate_exec.c:456 net = {sockfd = 4, iptype = 0, socktype = 2, wait = 3, flags = NET_FLAGS_NONE, local = 0x0, remote = 0x5555555915a0, local_str = 0x0, remote_str = 0x555555575d60 "10.42.42.21@53(UDP)", remote_info = 0x555555591880, srv = 0x555555591880, local_info = 0x0, tls = {wait = 0, sockfd = 0, params = 0x0, session = 0x0, credentials = 0x0}, https = {params = {enable = false, method = POST, path = 0x0}, session = 0x0, tls = 0x0, authority = 0x0, path = 0x0, send_buf = 0x0, send_buflen = 0, recv_buf = 0x0, recv_buflen = 0, status = 0, recv_mx = pthread_mutex_t = {Type = Normal, Status = Not acquired, Robust = No, Shared = No, Protocol = None}, stream = 0}, proxy = { src = 0x0, dst = 0x0}} ret = 0 __func__ = "pkt_sendrecv" rb = #2 0x000055555555ba01 in cmd_send (lp=, params=0x7ffffffcbdf0) at utils/knsupdate/knsupdate_exec.c:851 __func__ = "cmd_send" ret = 0 sign_ctx = {digest_size = 48, digest = 0x555555591770 "-g\324\337t>a\b\302M[\341c\346鰋", , tsig_key = 0x7fffffffe3d8} rb = tries = 4 #3 0x000055555555b3e6 in knsupdate_process_line (line=line@entry=0x5555555755e0 "send", params=params@entry=0x7ffffffcbdf0) at utils/knsupdate/knsupdate_exec.c:498 ret = 17 cmd = 0x55555556b1a9 "\004send" val = #4 0x000055555555b5ed in knsupdate_process_line (params=0x7ffffffcbdf0, line=0x5555555755e0 "send") at utils/knsupdate/knsupdate_exec.c:486 ret = cmd = val = ret = cmd = val = #5 process_lines (params=params@entry=0x7ffffffcbdf0, input=input@entry=0x5555555910f0) at utils/knsupdate/knsupdate_exec.c:527 line = 0x5555555755e0 "send" buf = 0x555555591300 "send\n" buflen = 120 ret = 0 #6 0x000055555555bd3e in knsupdate_exec (params=params@entry=0x7ffffffcbdf0) at utils/knsupdate/knsupdate_exec.c:575 filename = 0x7fffffffe7e6 "/tmp/tmp.17EBRdeI8j" fp = 0x5555555910f0 ret = 0 n = 0x7ffff7fca3d8 #7 0x0000555555559dc9 in main (argc=, argv=0x7fffffffe568) at utils/knsupdate/knsupdate_main.c:35 ret = 0 params =