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The following task has a new comment added:
FS#384 - Crash in kamailio core - timeout on forked destinations
User who did this - Hugh Waite (hugh.waite)
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(gdb) p t
$1 = (struct lump *) 0x73257325203a7325
(gdb) p *t
Cannot access memory at address 0x73257325203a7325
(gdb) info locals
tmp = 0x7fdf581d9b98
prev = 0x7fdf534d0a00
t = 0x73257325203a7325
list = 0x7fdf4f640ab8
__FUNCTION__ = "del_lump"
(gdb) list
329 list=&msg->body_lumps;
330 else
331 list=&msg->add_rm;
332 for (t=*list;t; prev=t, t=t->next){
333 /* insert it sorted after offset */
334 if
(((t->op==LUMP_DEL)||(t->op==LUMP_NOP))&&(t->u.offset>offset))
335 break;
336 }
337 tmp->next=t;
338 if (prev) prev->next=tmp;
prev and t are set even though *list is NULL, which makes me think msg is being
freed.
The four timeout responses arrive in less than 0.1s, ACKs are sent back and the
first 408 response forwards the 603 'best response'. This crash is happening
when the second 408 response is apparently attempting to forward the same 603
response.
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More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=384#comment1247
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