On Thu, Sep 16, 2021 at 9:22 AM Zé Santos <individuoestima@gmail.com> wrote:

Hi guys, I am currently using kamailio v5.2.5 and running it inside a container. I already attempted to upgrade the kamailio to the latest version however the problem persists.

This is the core dump that I got from using gdb:

Core was generated by `/usr/sbin/kamailio -f /etc/kazoo/kamailio/kamailio.cfg -m 512 -M 64 -x tlsf -w'.
Program terminated with signal 11, Segmentation fault.
#0 0x000000000071c63c in select_cfg_var (res=0x7ffd57d49b10, s=0x7f2649395040, msg=0x7ffd57d4c340) at core/cfg/cfg_select.c:211
211 i = *(int *)p;

It seems that the problem is with this line:

modparam("dmq", "notification_address", "sip:DMQ_NOTIFY_ADDRESS")

Also, I only have this issue while running on an AWS instance, I have the same setup on my local computer, however kamailio is able to start correctly.

While kamailio is starting, I have this line

#!substdef "!DMQ_NOTIFY_ADDRESS!10.10.10.10:5090!g"

It seems that after DMQ is able to obtain the IP address, when it comes to actually sending the message, it is interpreting the ip address of the DMQ_NOTIFY_ADDRESS as an integer and then it gives out a segmentation fault and the module stops.

Another interesting thing is that if the DMQ_NOTIFY_ADDRESS is the MY_IP_ADDRESS variable instead of the 10.10.10.10, it seems to work properly.

#!substdef "!DMQ_NOTIFY_ADDRESS!MY_IP_ADDRESS:5090!g"

It also doesn't seem related to the ip being in a variable, since I already tried using a DNS record, and once again, it is able to obtain the IPs from the DNS record, and the same issue applies.

Has anyone ever seen anything like this? I can't find any evidence of this actually happening.

Thank you kindly for your time.

Best Regards,

José Santos

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