[SR-Users] q_malloc crash on Kamailio 5.2.3 with http_async_query function

[Michal Škuta]

Hi Federico,
in our older Kamailio 4.4.x, we are using http_async_query in dialog's
event route (dialog_end) and sending the HTTP request to the same server.
We wanted to add the same feature to our newer server and had this problem.

I am thinking to test the function http_async_query from different parts of
Kamailio config. And I will post the DEBUG log and core dump from these
tests.

Regards,

Michal

pi 4. 10. 2019 o 10:50 Federico Cabiddu <federico.cabiddu at gmail.com>
napísal(a):

> Hi,
> I've seen the github issue, I'll have a look asap.
> To be clear, are you using http_async_query in dialog's event route also
> in 4.4.x or is this something new in your routing script?
>
> Regards,
>
> Federico
>
> On Fri, Oct 4, 2019 at 10:42 AM Michal Škuta <michal.skuta at gmail.com>
> wrote:
>
>> Hello everyone,
>> I am adding some new features to our Kamailio server, one of them is
>> sending HTTP POST request after calls end. We created simple route like
>> this and we are calling it from event_route[dialog_end]:
>>
>> route[HTTP_TEST_CALL_END] {
>>
>> t_newtran();
>> $http_req(body) = "TEST";
>> http_async_query("http://192.168.6.23:2080/cdr_http", "HTTP_TEST_REPLY");
>> }
>>
>> Problem is that Kamailio is crashing on line *http_async_query*, the log from crash:
>> Oct  3 16:13:37 sip_server /opt/ipgate/kamailio/sbin/kamailio[5331]: CRITICAL: <core> [core/mem/q_malloc.c:149]: qm_debug_check_frag(): BUG: qm: prev. fragm. tail overwritten(c0003032, abcdefed)[0x97a7ff3c:0x97a7ff58]! Memory allocator was called from http_async_client: hm_hash.c:82. Fragment marked by http_async_client: hm_hash.c:71. Exec from core/mem/q_malloc.c:384.
>>
>> In older Kamailio 4.4 I am using http_async_query with no problems. I opened issue on GitHub:
>> https://github.com/kamailio/kamailio/issues/2091 I hope that is ok, more logs and core dump is in the issue.
>>
>> Any help or suggestion is welcomed.
>>
>> Sincerely Michal
>>
>>
>>
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