[SR-Users] DMQ module issues

[Sergey Safarov]

you need to make sure you used the latest commits in branch 5.5 or used
master.
https://github.com/kamailio/kamailio/issues/2843

On Thu, Sep 16, 2021 at 9:22 AM Zé Santos <individuoestima at 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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