[CRASH] Opensips does not start

[savionfernandes]

OpenSIPS version you are running

version: opensips 3.1.0 (x86_64/linux)
flags: STATS: On, DISABLE_NAGLE, USE_MCAST, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, HP_MALLOC, DBG_MALLOC, FAST_LOCK-ADAPTIVE_WAIT
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535
poll method support: poll, epoll, sigio_rt, select.
git revision: 671d991
main.c compiled on 19:54:33 Aug 16 2020 with gcc 7

Describe the traffic that generated the bug

root@wolverine-opensips-sbc01:/var/log/crash_opensips# systemctl status opensips
● opensips.service - LSB: Start the OpenSIPS SIP server
Loaded: loaded (/etc/init.d/opensips; generated)
Active: active (exited) since Mon 2020-08-17 01:06:10 UTC; 21min ago
Docs: man:systemd-sysv-generator(8)
Process: 1772 ExecStop=/etc/init.d/opensips stop (code=exited, status=0/SUCCESS)
Process: 1935 ExecStart=/etc/init.d/opensips start (code=exited, status=0/SUCCESS)

Aug 17 01:06:10 wolverine-opensips-sbc01 /usr/local/sbin/opensips[1964]: INFO:tls_mgm:mod_init: disabling compression due ZLIB problems
Aug 17 01:06:10 wolverine-opensips-sbc01 /usr/local/sbin/opensips[1964]: INFO:tls_mgm:init_tls_dom: Processing TLS domain 'default'
Aug 17 01:06:10 wolverine-opensips-sbc01 /usr/local/sbin/opensips[1964]: NOTICE:tls_mgm:init_tls_dom: No EC curve defined
Aug 17 01:06:10 wolverine-opensips-sbc01 /usr/local/sbin/opensips[1964]: INFO:tls_mgm:get_ssl_ctx_verify_mode: client verification activa
Aug 17 01:06:10 wolverine-opensips-sbc01 /usr/local/sbin/opensips[1964]: NOTICE:tls_mgm:init_tls_dom: no CA dir for tls 'default' defined
Aug 17 01:06:10 wolverine-opensips-sbc01 /usr/local/sbin/opensips[1964]: NOTICE:tls_mgm:init_tls_dom: no crl for tls, using none
Aug 17 01:06:10 wolverine-opensips-sbc01 /usr/local/sbin/opensips[1964]: CRITICAL:core:sig_usr: segfault in attendant (starter) process!
Aug 17 01:06:10 wolverine-opensips-sbc01 opensips[1962]: INFO:core:daemonize: pre-daemon process exiting with -1
Aug 17 01:06:10 wolverine-opensips-sbc01 opensips[1935]: already running ...done.
Aug 17 01:06:10 wolverine-opensips-sbc01 systemd[1]: Started LSB: Start the OpenSIPS SIP server.

To Reproduce

Steps to reproduce the behavior:

1. Start OpenSIPS

Relevant System Logs

OS/environment information

Operating System:
Distributor ID: Ubuntu
Description: Ubuntu 18.04.5 LTS
Release: 18.04
Codename: bionic

• OpenSIPS installation: `git

Additional context

[razvancrainea]

Please extract a core dump and send it over. You can follow this documentation for more information.

[savionfernandes]

Here is the link to the core dump
https://drive.google.com/file/d/1e2rRN6DZ9yaK3wk_DOoPse4_G98ffT3V/view?usp=sharing
It seems similar to issue #2204

[rvlad-patrascu]

Hi @savionfernandes ,

Please open the core file with gdb and the opensips executable and run bt full.

[savionfernandes]

#0 0x00007f678e8f14f9 in init_tls_dom (d=d@entry=0x7f67927bcc20) at tls_mgm.c:1267
cert_from_file =
ca_from_file =
verify_mode =
i =
tcp_procs =
ciphers_list =
dh_from_file =
FUNCTION = "init_tls_dom"
#1 0x00007f678e8f3eba in init_tls_domains (dom=0x7f67927bc990) at tls_mgm.c:1367
d = 0x7f67927bcc20
tmp =
prev = 0x0
from_file = 0
rc =
i =
db =
FUNCTION = "init_tls_domains"
#2 0x00007f678e8fa124 in mod_init () at tls_mgm.c:2068
s = {s = 0x0, len = -1266948757}
tls_db_param = {s = , len = 11}
tls_client_domains_tmp = 0x0
tls_server_domains_tmp = 0x0
dom =
FUNCTION = "mod_init"
comp_methods =
#3 0x0000560b41a88efc in init_mod (m=0x7f67946fb3b0, skip_others=skip_others@entry=1) at sr_module.c:648
dep =
FUNCTION = "init_mod"
#4 0x0000560b41a88de7 in init_mod (m=0x7f67946fb1c8, skip_others=skip_others@entry=0) at sr_module.c:642
dep = 0x7f67946fb228
FUNCTION = "init_mod"
#5 0x0000560b41a890a5 in init_mod (m=m@entry=0x7f67946fb3b0, skip_others=skip_others@entry=0) at sr_module.c:629
dep =
FUNCTION = "init_mod"
#6 0x0000560b41a8c53a in init_modules () at sr_module.c:708
currentMod =
ret =
FUNCTION = "init_modules"
#7 0x0000560b41989a22 in main (argc=, argv=) at main.c:1430
c =
r =
tmp = 0x7fff564f4831 ""
tmp_len =
port =
proto =
protos_no =
options = 0x560b41c31ae0 "f:cCm:M:b:l:n:N:rRvdDFEVhw:t:u:g:p:P:G:W:o:a:k:s:"
ret = -1
seed = 1656100124
rfd =

[rvlad-patrascu]

The crash should now be fixed but I'm assuming that similarly to #2204 , you were incorrectly setting tls_method to SSLv1 instead of TLSv1.