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Can you reproduce and get a core dump from the crash? Only with these logs is hard to discover what is wrong and reproducing by others might be hard (at least for me).
You have to run kamailio as root and do
ulimit -c unlimitedbefore starting kamailio. Then reproduce the issue and a core file should be generated -- take the backtrace from it with gdb tool.
gdb /usr/local/sbin/kamailio /home/corefiles/core.kamailio.sig11.1974
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Reading symbols from /usr/local/sbin/kamailio...done.
[New LWP 1974]
[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/local/sbin/kamailio -f usr/local/etc/kamailio/kamailio.cfg -P /var/run/kam'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f5e23c4a11e in diameterserver_add_avp (m=0x0, d=0x7f5e1b5c2240 "", len=12, avp_code=431, flags=64, vendorid=0, data_do=2,
func=0x7f5e23c51d6c <FUNCTION.20148> "parselist") at avp_helper.c:208
208 if (cdpb.AAAAddAVPToMessage(m, avp, m->avpList.tail) != AAA_ERR_SUCCESS) {
(gdb) bt full
#0 0x00007f5e23c4a11e in diameterserver_add_avp (m=0x0, d=0x7f5e1b5c2240 "", len=12, avp_code=431, flags=64, vendorid=0, data_do=2,
func=0x7f5e23c51d6c <FUNCTION.20148> "parselist") at avp_helper.c:208
avp = 0x7f5e1b5c3bd0
FUNCTION = "diameterserver_add_avp"
#1 0x00007f5e23c4d0c8 in parselist (response=0x0, list=0x7fff9f21a8d0, item=0x11b67d0, level=2) at avp_helper.c:309
i = 1
flags = 64
x = "p\250!\237"
avp_list = {head = 0x0, tail = 0x0}
avp_list_s = {s = 0x7f5e1b5c2240 "", len = 12}
FUNCTION = "parselist"
#2 0x00007f5e23c4cffc in parselist (response=0x7f5e1b5c3ab8, list=0x0, item=0x11b6550, level=1) at avp_helper.c:304
subitem = 0x11b67d0
i = 0
flags = 64
x = "\000\000\000"
avp_list = {head = 0x0, tail = 0x0}
avp_list_s = {s = 0x7fff9f21a8f0 "@\251!\237\377\177", len = 600070897}
FUNCTION = "parselist"
#3 0x00007f5e23c4db3a in addAVPsfromJSON (response=0x7f5e1b5c3ab8, json=0x7f5e23e53950 ) at avp_helper.c:349
subitem = 0x11b6550
i = 4
FUNCTION = "addAVPsfromJSON"
root = 0x11b4210
#4 0x00007f5e23c3fbdb in callback_cdp_request (request_in=0x7f5e1b5c19b0, param=0x0) at ims_diameter_server.c:193
fmsg = 0xab7840 <_faked_msg>
backup_rt = 1
ctx = {rec_lev = 0, run_flags = 0, last_retcode = 1, jmp_env = {{__jmpbuf = {1, -5713032302318786866, 7971288, 7971288,
140042162528420, 0, -5713032302339758386, 5712822384154044110}, __mask_was_saved = 0, __saved_mask = {__val = {
140735863172072, 127, 0, 140042162532340, 140042389578761, 4222451713, 140042162532340, 140042162532340, 140042162532340,
140042162532340, 140042162532358, 140042162532467, 140042162532340, 140042162532467, 0, 0}}}}}
response = 0x7f5e1b5c3ab8
FUNCTION = "callback_cdp_request"
#5 0x00007f5e24a705c0 in api_callback (p=0x7f5e1b598f50, msg=0x7f5e1b5c19b0, ptr=0x0) at api_process.c:83
t = 0x7f5e1b598f50
auto_drop = 32767
h = 0x7f5e1b5b3358
---Type to continue, or q to quit---
thanks
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