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### Description
After upgrading Debian from stretch to buster, kamailio service keeps crashing on service stat. Same kamailio configuration file worked fine on Debian stretch. If I disable TLS the service starts successfully.
### Troubleshooting
Looks like a TLS issue
#### Reproduction
Debian buster TLS enabled
#### Debugging Data
<!-- If you got a core dump, use gdb to extract troubleshooting data - full backtrace, local variables and the list of the code at the issue location.
gdb /path/to/kamailio /path/to/corefile bt full info locals list
If you are familiar with gdb, feel free to attach more of what you consider to be relevant. -->
``` root@kamailio11:/# gdb /usr/sbin/kamailio /core 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/kamailio...Reading symbols from /usr/lib/debug/.build-id/ed/15dbbb24fb309311e7a6a16cf9222a82afb102.debug...done. done. [New LWP 7259] [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/kamailio -P /run/kamailio/kamailio.pid -f /etc/kamailio/kamailio.cfg'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f17c0877e26 in ?? () from /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 (gdb) bt full #0 0x00007f17c0877e26 in ?? () from /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 No symbol table info available. #1 0x00007f17c087812f in OPENSSL_cleanup () from /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 No symbol table info available. #2 0x00007f17c46aad8c in __run_exit_handlers (status=1, listp=0x7f17c482c718 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:108 atfct = <optimized out> onfct = <optimized out> cxafct = <optimized out> f = <optimized out> new_exitfn_called = 3 cur = 0x7f17c482dd80 <initial> #3 0x00007f17c46aaeba in __GI_exit (status=<optimized out>) at exit.c:139 No locals. #4 0x000055c479a9c502 in handle_sigs () at main.c:808 chld = 0 chld_status = 139 any_chld_stopped = 1 memlog = 0 __func__ = "handle_sigs" #5 0x000055c479aa8053 in main_loop () at main.c:1817 i = 8 pid = 7301 si = 0x0 si_desc = "udp receiver child=7 sock=172.19.140.101:5060\000\000\000\003\000\000\000+\000\000\000\000\253pP\333\351\322a\320-\221z\304U\000\000\210`\354y\304U\000\000\000\000\000\000\000\000\000\000\260Lv\304\027\177\000\000\363N\361y\304U\000\000\000\000\000\200\000\000\000\000\060P\254$\375\177\000\000hm\322y\304U\000" nrprocs = 8 woneinit = 1 __func__ = "main_loop" #6 0x000055c479ab1516 in main (argc=9, argv=0x7ffd24ac5578) at main.c:2856 cfg_stream = 0x55c47a82b260 c = -1 r = 0 tmp = 0x7ffd24ac6de3 "" tmp_len = 32535 port = -995964432 proto = 32535 ahost = 0x0 aport = 0 options = 0x55c479ec8d38 ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:x:X:Y:" --Type <RET> for more, q to quit, c to continue without paging-- ret = -1 seed = 1032197731 rfd = 4 debug_save = 0 debug_flag = 0 dont_fork_cnt = 0 n_lst = 0x0 p = 0x0 st = {st_dev = 21, st_ino = 79137, st_nlink = 2, st_mode = 16832, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 40, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1599027572, tv_nsec = 735090396}, st_mtim = {tv_sec = 1599027608, tv_nsec = 820311152}, st_ctim = {tv_sec = 1599027608, tv_nsec = 820311152}, __glibc_reserved = {0, 0, 0}} tbuf = "\000\000\000\000\000\000\000\000\b\000\000\000\000\000\000\000\060ע\304\027\177\000\000\000\000\000\000\000\000\000\000\240A\271$\375\177\000\000\364ڠ\304\027\177\000\000\b\000\000\000\000\000\000\000\230B\271$\375\177\000\000\060ע\304\027\177\000\000\030S\254$\375\177\000\000\024S\254$\375\177", '\000' <repeats 18 times>, "\230B\271$\375\177\000\000\250A\271$\375\177\000\000'\036\177\304\027\177\000\000&\260be\000\000\000\000\200T\254$\375\177\000\000\300\212\225\001\000\000\000\000\340S\254$\375\177\000\000\320S\254$\375\177\000\000\030S\254$\375\177\000\000Xע\304\027\177\000\000\001", '\000' <repeats 31 times>... option_index = 0 long_options = {{name = 0x55c479ecadc6 "help", has_arg = 0, flag = 0x0, val = 104}, {name = 0x55c479ec650c "version", has_arg = 0, flag = 0x0, val = 118}, {name = 0x55c479ecadcb "alias", has_arg = 1, flag = 0x0, val = 1024}, {name = 0x55c479ecadd1 "subst", has_arg = 1, flag = 0x0, val = 1025}, {name = 0x55c479ecadd7 "substdef", has_arg = 1, flag = 0x0, val = 1026}, {name = 0x55c479ecade0 "substdefs", has_arg = 1, flag = 0x0, val = 1027}, {name = 0x55c479ecadea "server-id", has_arg = 1, flag = 0x0, val = 1028}, {name = 0x55c479ecadf4 "loadmodule", has_arg = 1, flag = 0x0, val = 1029}, {name = 0x55c479ecadff "modparam", has_arg = 1, flag = 0x0, val = 1030}, {name = 0x55c479ecae08 "log-engine", has_arg = 1, flag = 0x0, val = 1031}, {name = 0x55c479ecae13 "debug", has_arg = 1, flag = 0x0, val = 1032}, {name = 0x0, has_arg = 0, flag = 0x0, val = 0}} __func__ = "main" ```
#### Log Messages
<!-- Check the syslog file and if there are relevant log messages printed by Kamailio, add them next, or attach to issue, or provide a link to download them (e.g., to a pastebin site). -->
``` Sep 2 06:23:10 kamailio11 kamailio: INFO: <core> [core/tcp_main.c:4982]: init_tcp(): using epoll_lt as the io watch method (auto detected) Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: rr [../outbound/api.h:52]: ob_load_api(): unable to import bind_ob - maybe module is not loaded Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: rr [rr_mod.c:185]: mod_init(): outbound module not available Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: dmq_usrloc [dmq_usrloc.c:81]: mod_init(): dmq usrloc replication mode = 1 Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: cfgutils [cfgutils.c:869]: mod_init(): no hash_file given, disable hash functionality Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: http_async_client [http_async_client_mod.c:222]: mod_init(): Initializing Http Async module Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: auth [auth_mod.c:345]: mod_init(): qop set, but nonce-count (nonce_count) support disabled Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: permissions [permissions.c:601]: mod_init(): default allow file (/etc/kamailio/permissions.allow) not found => empty rule set Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: permissions [permissions.c:615]: mod_init(): default deny file (/etc/kamailio/permissions.deny) not found => empty rule set Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: pike [pike.c:97]: pike_init(): PIKE - initializing Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: pike [ip_tree.c:81]: init_lock_set(): probing 256 set size Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_mod.c:389]: mod_init(): With ECDH-Support! Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_mod.c:392]: mod_init(): With Diffie Hellman Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: WARNING: tls [tls_init.c:792]: tls_h_mod_init_f(): openssl bug #1491 (crash/mem leaks on low memory) workaround enabled (on low memory tls operations will fail preemptively) with free memory thresholds 22544384 and 11272192 bytes Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: <core> [core/cfg/cfg_ctx.c:595]: cfg_set_now(): tls.low_mem_threshold1 has been changed to 22544384 Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: <core> [core/cfg/cfg_ctx.c:595]: cfg_set_now(): tls.low_mem_threshold2 has been changed to 11272192 Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: <core> [main.c:2833]: main(): processes (at least): 43 - shm size: 2147483648 - pkg size: 33554432 Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: <core> [core/udp_server.c:154]: probe_max_receive_buffer(): SO_RCVBUF is initially 212992 Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: <core> [core/udp_server.c:206]: probe_max_receive_buffer(): SO_RCVBUF is finally 425984 Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: http_async_client [async_http.c:101]: async_http_init_sockets(): inter-process event notification sockets initialized Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: http_async_client [async_http.c:101]: async_http_init_sockets(): inter-process event notification sockets initialized Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: http_async_client [async_http.c:101]: async_http_init_sockets(): inter-process event notification sockets initialized Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: http_async_client [async_http.c:101]: async_http_init_sockets(): inter-process event notification sockets initialized Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:309]: ksr_tls_fill_missing(): TLSs<default>: tls_method=22 Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:321]: ksr_tls_fill_missing(): TLSs<default>: certificate='/etc/kamailio/ssl/widebridge.pem' Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:328]: ksr_tls_fill_missing(): TLSs<default>: ca_list='/etc/kamailio/ssl/cacert.pem' Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:335]: ksr_tls_fill_missing(): TLSs<default>: crl='(null)' Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:339]: ksr_tls_fill_missing(): TLSs<default>: require_certificate=0 Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:346]: ksr_tls_fill_missing(): TLSs<default>: cipher_list='HIGH' Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:353]: ksr_tls_fill_missing(): TLSs<default>: private_key='/etc/kamailio/ssl/widebridge.key' Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:357]: ksr_tls_fill_missing(): TLSs<default>: verify_certificate=0 Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:360]: ksr_tls_fill_missing(): TLSs<default>: verify_depth=9 Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:363]: ksr_tls_fill_missing(): TLSs<default>: verify_client=0 Sep 2 06:23:10 kamailio11 /usr/sbin/kamailio[7354]: NOTICE: tls [tls_domain.c:1109]: ksr_tls_fix_domain(): registered server_name callback handler for socket [:0], server_name='<default>' ... Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:716]: set_verification(): TLSs<default>: No client certificate required and no checks performed Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:309]: ksr_tls_fill_missing(): TLSc<default>: tls_method=22 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:321]: ksr_tls_fill_missing(): TLSc<default>: certificate='(null)' Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:328]: ksr_tls_fill_missing(): TLSc<default>: ca_list='(null)' Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:335]: ksr_tls_fill_missing(): TLSc<default>: crl='(null)' Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:339]: ksr_tls_fill_missing(): TLSc<default>: require_certificate=0 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:346]: ksr_tls_fill_missing(): TLSc<default>: cipher_list='(null)' Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:353]: ksr_tls_fill_missing(): TLSc<default>: private_key='(null)' Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:357]: ksr_tls_fill_missing(): TLSc<default>: verify_certificate=0 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:360]: ksr_tls_fill_missing(): TLSc<default>: verify_depth=9 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:363]: ksr_tls_fill_missing(): TLSc<default>: verify_client=0 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: tls [tls_domain.c:719]: set_verification(): TLSc<default>: Server MAY present invalid certificate Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7355]: INFO: rtpengine [rtpengine.c:2781]: rtpp_test(): rtpengine instance udp:127.0.0.1:22222 found, support for it enabled Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: http_async_client [async_http.c:84]: async_http_init_worker(): started worker process: 1 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7367]: INFO: jsonrpcs [jsonrpcs_sock.c:443]: jsonrpc_dgram_process(): a new child 0/7367 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: http_async_client [async_http.c:84]: async_http_init_worker(): started worker process: 2 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: http_async_client [async_http.c:84]: async_http_init_worker(): started worker process: 3 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: http_async_client [async_http.c:84]: async_http_init_worker(): started worker process: 4 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7371]: INFO: ctl [io_listener.c:214]: io_listen_loop(): io_listen_loop: using epoll_lt io watch method (config) Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7376]: CRITICAL: <core> [core/mem/q_malloc.c:501]: qm_free(): BUG: bad pointer 0x645f6d6574737973 (out of memory block!) called from tls: tls_init.c: ser_free(323) - ignoring Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7375]: CRITICAL: <core> [core/mem/q_malloc.c:501]: qm_free(): BUG: bad pointer 0x645f6d6574737973 (out of memory block!) called from tls: tls_init.c: ser_free(323) - ignoring Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: ALERT: <core> [main.c:776]: handle_sigs(): child process 7375 exited by a signal 11 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: ALERT: <core> [main.c:779]: handle_sigs(): core was not generated Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: ALERT: <core> [main.c:776]: handle_sigs(): child process 7376 exited by a signal 11 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: ALERT: <core> [main.c:779]: handle_sigs(): core was not generated Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7354]: INFO: <core> [main.c:802]: handle_sigs(): terminating due to SIGCHLD Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7382]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7385]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7384]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7377]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7383]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7380]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7381]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7368]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7379]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7366]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7378]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7364]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7374]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7362]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7373]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7360]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7372]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7358]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7371]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7356]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7370]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7387]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7369]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7388]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7367]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7386]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7365]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7390]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7363]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7395]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7361]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7393]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7359]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7357]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7355]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7389]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7394]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7392]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7391]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 23 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 24 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 25 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 26 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 27 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 28 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 29 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 30 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 31 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 32 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 33 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 34 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 35 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 5 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 36 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 9 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 40 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 44 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 48 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 52 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 53 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 54 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 55 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 56 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 57 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 59 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 61 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 63 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 65 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 67 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 69 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 71 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 73 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 75 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 77 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 79 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 81 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 83 Sep 2 06:23:11 kamailio11 /usr/sbin/kamailio[7396]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 85 Sep 2 06:23:15 kamailio11 /usr/sbin/kamailio[7396]: INFO: <core> [main.c:857]: sig_usr(): signal 15 received Sep 2 06:23:15 kamailio11 /usr/sbin/kamailio[7354]: INFO: <core> [core/sctp_core.c:53]: sctp_core_destroy(): SCTP API not initialized ```
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
``` root@kamailio11:/etc/kamailio# kamailio -v version: kamailio 5.4.1 (x86_64/linux) flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: unknown compiled with gcc 8.3.0 ```
* **Operating System**:
<!-- Details about the operating system, the type: Linux (e.g.,: Debian 8.4, Ubuntu 16.04, CentOS 7.1, ...), MacOS, xBSD, Solaris, ...; Kernel details (output of `uname -a`) -->
``` root@kamailio11:/etc/kamailio# cat /etc/os-release PRETTY_NAME="Debian GNU/Linux 10 (buster)" NAME="Debian GNU/Linux" VERSION_ID="10" VERSION="10 (buster)" VERSION_CODENAME=buster ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/"
Linux kamailio11.dev.wb.internal 4.19.0-10-amd64 #1 SMP Debian 4.19.132-1 (2020-07-24) x86_64 GNU/Linux ```