[SR-Users] Possible memory leak in siptrace module in kamailio 5.1/5.2

[davy van de moere]

Dear,

I'm using siptrace within a python handler in the KEMI framework.
KSR.siptrace.sip_trace_dst("sip:<myhomerip>:9060")

I notice an ever increasing usage of memory, until the system runs out of
memory. (definition of a memory leak :) ). Looking at the memory
information kamailio is giving me I notice this:

May 14 05:49:48 server kamailio[36452]: NOTICE: PYT {INVITE}
{1769595029-1513210001-1955500877} {1} : qm_sums:  count= 79286 size=
 5812048 bytes from siptrace: siptrace.c: ki_sip_trace_dst_cid(729)
May 14 05:51:17 server kamailio[36452]: NOTICE: PYT {REGISTER} {
4_1419955802 at 192.168.0.153} {2582} : qm_sums:  count= 79335 size=   5814840
bytes from siptrace: siptrace.c: ki_sip_trace_dst_cid(729)

I notice this on kamailio 5.1.8 (from a debian repo), and on kamailio 5.2.2
(from source). I can reproduce the problem very easily, and I can apply
patches in the source to try out things.

Could I be wrongly using siptrace? Can I give you more debugging info?

Kind regards,
Davy
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