2 Sep
2020
2 Sep
'20
9:45 a.m.
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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
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gdb /path/to/kamailio /path/to/corefile
bt full
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```
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
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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).
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```
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
```
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