[SR-Users] CRITICAL ERROR in data_lamp.c!

Mojtaba mespio at gmail.com
Tue Jun 11 17:15:39 CEST 2019


Thank you.
And what about the crash when using it with htable api module?

On Tue, 11 Jun 2019, 18:18 Daniel-Constantin Mierla <miconda at gmail.com
wrote:

> Yes, you must allocate with pkg, because at the end those chunks are
> freed, once the new message is built. You can also look at how other
> operations with data lumps are done inside the textops module.
> On 11.06.19 14:44, Mojtaba wrote:
>
> I assigned a const sdp string to it just for checking. Does it matter to
> allocate new memory for newbody?
>
> On Tue, 11 Jun 2019, 15:22 Daniel-Constantin Mierla <miconda at gmail.com
> wrote:
>
>> Hello,
>>
>> how do you set newbody.s and newbody.len?
>>
>> Daniel
>>
>> On 11.06.19 12:29, Mojtaba wrote:
>> > Not yet, because it is under developing, i could paste it here right
>> away.
>> >
>> > {
>> >  .
>> >  .
>> >  .
>> >     body.s = get_body(msg);
>> >     if (body.s == 0) {
>> >                 LM_ERR("failed to get the message body\n");
>> >         return -1;
>> >     }
>> >     body.len = msg->len - (int) (body.s - msg->buf);
>> > //    body.len = strlen(body.s);
>> >     if (body.len == 0) {
>> >                 LM_DBG("message body has zero length\n");
>> >         return -1;
>> >     }
>> >     l = del_lump(msg, body.s - msg->buf, body.len, 0);
>> >     if (!l) {
>> >                 LM_ERR("del_lump failed\n");
>> >         return -1;
>> >     }
>> >
>> >     if (!insert_new_lump_after(l, newbody.s, newbody.len, 0)) {
>> >                 LM_ERR("insert_new_lump_after failed\n");
>> >         return -1;
>> >     }
>> > }
>> > I asked related issue in this regards in Kamailio developer forum,
>> > before. let me paste it at below. The means of other_process function
>> > is above code.
>> > In during developing new module in Kamailio, I encountered with
>> > strange behaviour. I used htable module instead of linked list for
>> > save some temporary data during call process.dependencies module to
>> > save some information. the skeleton of my code is like thus:
>> >
>> > if (SIP_REQUEST &METHOD_INVITE) {
>> >           insert_data_htable("some data");
>> >           other_process(msg);
>> > }else if(SIP_REPLY){
>> >          get_data_htable("some data");
>> >          other_process(msg);
>> > }
>> > In other_process function i have some changes in msg's body with
>> message lump.
>> > But after i make first call in kamailio. The kamailio was crashed.What
>> > is it's problem?
>> > In additional if i comment either insert/get_data_htable function or
>> > othet_process function, i dont have this issue.
>> > With best regards.
>> >
>> >
>> > On Tue, Jun 11, 2019 at 2:46 PM Daniel-Constantin Mierla
>> > <miconda at gmail.com> wrote:
>> >> Hello,
>> >>
>> >> likely you didn't allocate the pointer inserted in data lump list. Is
>> >> the code using data lumps available to look at on git?
>> >>
>> >> Cheers,
>> >> Daniel
>> >>
>> >> On 11.06.19 12:01, Mojtaba wrote:
>> >>> Hello,
>> >>> What does this CRITICAL error mean?
>> >>> Jun 11 05:48:13 debian8 /usr/local/sbin/kamailio[8468]: {1 1 INVITE
>> >>> Njg0MzNhMzJhOTY3MzQ3NmNlNWY0ODkzMTJmNTM1ZTk.} CRITICAL: <core>
>> >>> [core/mem/q_malloc.c:486]: qm_free(): BUG: bad pointer 0xa3c188 (out
>> >>> of memory block!) called from core: core/data_lump.c: free_lump(466) -
>> >>> aborting
>> >>>
>> >>> I got it when i make new call during debugging new module in Kamailio?
>> >>> In module we have to change some message's body with data_lump.
>> >>> I asked relaed issue (strange behaviour while developing new module)
>> >>> in Kamailio developer forum <sr-dev at lists.kamailio.org>
>> >>> With Best Regards.
>> >>>
>> >> --
>> >> Daniel-Constantin Mierla -- www.asipto.com
>> >> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>> >>
>> >
>> > --
>> > --Mojtaba Esfandiari.S
>>
>> --
>> Daniel-Constantin Mierla -- www.asipto.com
>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>
>> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
>
>
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