Hi,

there is a bug in IMC module that crashes Kamailio.

Here is the scenario: One user (pero@abc.hr) creates private chat room (chat-999@abc.hr). Other user (oz@abc.hr) tries to join the chat-999@abc.hr by sending #join. Kamailio crashes at that point. Here is the log:

Best regards,
Ozren

Jun 1 15:10:37 ser-test kernel: [5844312.456709] kamailio[20118]: segfault at 10 ip 7f28f89dae8e sp 7fffffffb750 error 4 in imc.so[7f28f89cf000+17000]
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20118]: INFO: <script>: going to imc: F [sip:oz@abc.hr] T [sip:chat-999@abc.hr] B [#join]
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG: <core> [receive.c:186]: preparing to run routing scripts...
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20118]: DEBUG: imc [imc.c:525]: found command
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG: maxfwd [mf_funcs.c:85]: value = 70
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20118]: DEBUG: imc [imc_cmd.c:146]: command: [join]
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG: <core> [parser/msg_parser.c:201]: DEBUG: get_hdr_body : content_length=223
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20118]: DEBUG: imc [imc_cmd.c:292]: found room [chat-999]
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG: <core> [parser/msg_parser.c:103]: found end of header
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20118]: ERROR: imc [imc_cmd.c:317]: attept to join private room [chat-999] from user [oz]
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG: <core> [parser/parse_to.c:174]: DEBUG: add_param: tag=5e3288a6
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20113]: ALERT: <core> [main.c:741]: child process 20118 exited by a signal 11
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG: <core> [parser/parse_to.c:803]: end of header reached, state=29
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20119]: DEBUG: <core> [parser/msg_parser.c:630]: SIP Request:
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20113]: ALERT: <core> [main.c:744]: core was not generated
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG: <core> [msg_translator.c:204]: check_via_address(161.53.255.82, 161.53.255.82, 0)
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20119]: DEBUG: <core> [parser/msg_parser.c:632]: method: <MESSAGE>
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20113]: INFO: <core> [main.c:756]: INFO: terminating due to SIGCHLD
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20114]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20115]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20116]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20117]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20122]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20124]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20125]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20129]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20128]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20127]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20123]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20126]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20120]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20130]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20131]: INFO: <core> [main.c:807]: INFO: signal 15 received
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20113]: DEBUG: imc [imc.c:709]: room 3 chat-777
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20113]: DEBUG: imc [imc.c:709]: room 11 chat-888
Jun 1 15:10:37 ser-test /usr/local/kamailio-ozren/sbin/kamailio[20113]: DEBUG: imc [imc.c:709]: room 13 chat-999