[sr-dev] [tracker] Comment added: kamailio sometimes crash when handling failure events (Attachment added)

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The following task has a new comment added:

FS#427 - kamailio sometimes crash when handling failure events
User who did this - Pawel Sternal (Sternik)

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yes, i've seen this patch. I was trying delete with avp_delete, pv_unset, assigning $null... but... I had refactoring to use $var variables ;-) Next day I saw that you put a patch for this. $var is enough for me.

siptrace attached.

from  last backtrace (gdb_20140511.txt):
<code>
(gdb) frame 4
#4  0xb48dcea3 in dlg_onreply (t=0xa4ffb894, type=1048576, param=0xbff24c9c) at dlg_handlers.c:563
563     dlg_handlers.c: No such file or directory.
        in dlg_handlers.c
(gdb) p *dlg
$1 = {ref = 0, next = 0x0, prev = 0x0, h_id = 6149, h_entry = 363, state = 5, lifetime = 21600, init_ts = 1399816405, start_ts = 0, dflags = 512, iflags = 0, sflags = 0, toroute = 0, toroute_name = {s = 0x0, 
    len = 0}, from_rr_nb = 1, tl = {next = 0x0, prev = 0x0, timeout = 0}, callid = {
    s = 0xa4d5a708 "775e6d942c0649244f355f936211892f at sip.freeconet.plsip:+48512911332 at sip.freeconet.plsip:+48632186066 at sip.freeconet.plsip:hultaj1000 at sip.freeconet.pl1166\r\n\n\n\r\n??????miotek at 5`\001", 
    len = 49}, from_uri = {s = 0xa4d5a739 "sip:+48512911332 at sip.freeconet.plsip:+48632186066 at sip.freeconet.plsip:hultaj1000 at sip.freeconet.pl1166\r\n\n\n\r\n??????miotek at 5`\001", len = 33}, to_uri = {
    s = 0xa4d5a75a "sip:+48632186066 at sip.freeconet.plsip:hultaj1000 at sip.freeconet.pl1166\r\n\n\n\r\n??????miotek at 5`\001", len = 33}, req_uri = {
    s = 0xa4d5a77b "sip:hultaj1000 at sip.freeconet.pl1166\r\n\n\n\r\n??????miotek at 5`\001", len = 31}, tag = {{s = 0xa4fc8bf0 "w", len = 10}, {s = 0x0, len = 0}}, cseq = {{s = 0xa4d76230 "\005\001", len = 3}, 
    {s = 0x0, len = 0}}, route_set = {{s = 0xa4fc8c1e "447-OEM-0041153-42872-C07C6E47-05060213.218.116.66", len = 44}, {s = 0x0, len = 0}}, contact = {{s = 0xa4fc8bfa "?\f\214?\003", len = 36}, {s = 0x0, 
      len = 0}}, bind_addr = {0xb56824fc, 0x0}, cbs = {first = 0xa500db80, types = 8684}, profile_links = 0x0, vars = 0x0}
(gdb) frame 3
#3  0xb48e90f5 in dlg_release (dlg=0xa4d5a644) at dlg_hash.c:826
826     dlg_hash.c: No such file or directory.
        in dlg_hash.c
(gdb) p *dlg
$2 = {ref = 0, next = 0x0, prev = 0x0, h_id = 6149, h_entry = 363, state = 5, lifetime = 21600, init_ts = 1399816405, start_ts = 0, dflags = 512, iflags = 0, sflags = 0, toroute = 0, toroute_name = {s = 0x0, 
    len = 0}, from_rr_nb = 1, tl = {next = 0x0, prev = 0x0, timeout = 0}, callid = {
    s = 0xa4d5a708 "775e6d942c0649244f355f936211892f at sip.freeconet.plsip:+48512911332 at sip.freeconet.plsip:+48632186066 at sip.freeconet.plsip:hultaj1000 at sip.freeconet.pl1166\r\n\n\n\r\n??????miotek at 5`\001", 
    len = 49}, from_uri = {s = 0xa4d5a739 "sip:+48512911332 at sip.freeconet.plsip:+48632186066 at sip.freeconet.plsip:hultaj1000 at sip.freeconet.pl1166\r\n\n\n\r\n??????miotek at 5`\001", len = 33}, to_uri = {
    s = 0xa4d5a75a "sip:+48632186066 at sip.freeconet.plsip:hultaj1000 at sip.freeconet.pl1166\r\n\n\n\r\n??????miotek at 5`\001", len = 33}, req_uri = {
    s = 0xa4d5a77b "sip:hultaj1000 at sip.freeconet.pl1166\r\n\n\n\r\n??????miotek at 5`\001", len = 31}, tag = {{s = 0xa4fc8bf0 "w", len = 10}, {s = 0x0, len = 0}}, cseq = {{s = 0xa4d76230 "\005\001", len = 3}, 
    {s = 0x0, len = 0}}, route_set = {{s = 0xa4fc8c1e "447-OEM-0041153-42872-C07C6E47-05060213.218.116.66", len = 44}, {s = 0x0, len = 0}}, contact = {{s = 0xa4fc8bfa "?\f\214?\003", len = 36}, {s = 0x0, 
      len = 0}}, bind_addr = {0xb56824fc, 0x0}, cbs = {first = 0xa500db80, types = 8684}, profile_links = 0x0, vars = 0x0}
</code>

In event_route[tm:local-request] i'm doing something with PUBLISH - changing body. And also using avp_db_query 
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http://sip-router.org/tracker/index.php?do=details&task_id=427#comment1445

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