[SR-Users] Core dump on diameter CCR request

[Venkatesh Macha]

Hi all, 

I am trying to implement Diameter charging with Kamailio. I am following
below tutorial
https://www.kamailio.org/events/2016-KamailioWorld/Day2/15-Carsten.Bock-Diameter-Charging-With-Kamailio.pdf

But whenever I try to do the Ro_CCR from the INVITE block, Kamailio is
crashing and generating the core dump. I am new to diameter. I might be
doing something wrong here. 

please someone help me here.

Please find the *diameter.xml* and *Diameter_core_dump_full_debug.txt* file.

diameter.xml
<http://sip-router.1086192.n5.nabble.com/file/t6374/diameter.xml>  
Diameter_core_dump_full_Debug.txt
<http://sip-router.1086192.n5.nabble.com/file/t6374/Diameter_core_dump_full_Debug.txt>  


Here is my kamailio.cfg :

loadmodule "cdp"
loadmodule "cdp_avp"
loadmodule "ims_charging"
loadmodule "ims_dialog"

modparam("cdp","config_file","/etc/kamailio/diameter.xml")
modparam("cdp", "debug_heavy", 1)
# ----- ims_diameter_ro params -----
#modparam("ims_charging", "single_ro_session_per_dialog", 1)
modparam("ims_charging", "origin_host", "10.195.0.38");
modparam("ims_charging", "origin_realm", "10.195.0.38");
modparam("ims_charging", "destination_realm", "mydomain.com");
modparam("ims_charging","interim_update_credits",30);
modparam("ims_charging","timer_buffer",5);
# -- ims_dialog params --
modparam("ims_dialog", "dlg_flag", 8)


While starting the kamailio, i am getting following errors:
Nov 11 11:40:03 ip-10-195-0-38 /usr/local/sbin/kamailio[25653]: ERROR: cdp
[peerstatemachine.c:675]: add_peer_application(): Too many applications for
this peer (max 0), not adding Application 4:0.

Before crashing kamailio showing following error:

Nov 11 11:39:49 ip-10-195-0-38 /usr/local/sbin/kamailio[25571]: INFO: {1
18325 INVITE Nf6-dl2WeXF.LJhXotiRsuMhijsNx45o} <script>: Entered into INVITE
Block
Nov 11 11:39:49 ip-10-195-0-38 /usr/local/sbin/kamailio[25571]: ERROR: {1
18325 INVITE Nf6-dl2WeXF.LJhXotiRsuMhijsNx45o} ims_dialog
[dlg_handlers.c:264]: dlg_get_iuid_shm_clone(): ***** Requesting 8
Nov 11 11:39:49 ip-10-195-0-38 /usr/local/sbin/kamailio[25571]: CRITICAL: {1
18325 INVITE Nf6-dl2WeXF.LJhXotiRsuMhijsNx45o} <core>
[core/mem/q_malloc.c:144]: qm_debug_check_frag(): BUG: qm: prev. fragm. tail
overwritten(0, abcdefed)[0x7f467d438768:0x7f467d4387a0]! Memory allocator
was called from cdp: diameter_avp.c:157. Fragment marked by cdp:
peerstatemachine.c:602. Exec from core/mem/q_malloc.c:384.
Nov 11 11:39:49 ip-10-195-0-38 /usr/local/sbin/kamailio[25599]: CRITICAL:
<core> [core/pass_fd.c:277]: receive_fd(): EOF on 16
Nov 11 11:39:52 ip-10-195-0-38 /usr/local/sbin/kamailio[25567]: ALERT:
<core> [main.c:740]: handle_sigs(): child process 25571 exited by a signal 6
Nov 11 11:39:52 ip-10-195-0-38 /usr/local/sbin/kamailio[25567]: ALERT:
<core> [main.c:743]: handle_sigs(): core was generated
Nov 11 11:39:52 ip-10-195-0-38 /usr/local/sbin/kamailio[25567]: INFO: <core>
[main.c:766]: handle_sigs(): terminating due to SIGCHLD

Thanks you in Advance,
Venkey



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