[SR-Users] crash at 480 reply to INVITE

[Juha Heinanen]

Juha Heinanen writes:

> pcap shows that kamailio receives from the uas two "180 ringing" replies
> 30 secs apart after which fr_inv_timeout hits.  at that point kamailio
> sends "408 request timeout" to uac and gets back ack.  then 45 secs
> later, kamailio gets one more "180 ringing" reply from the uas followed
> by several 480 replies.  one of them crashes kamailio.

pcap also shows that when fr_inv_timeout fired and kamailio send 408 to
uac, it did not send cancel to uas.  it send 408 to uac at 17:44:44 and
cancel to uas at 18:00:23, i.e. about 15 minutes later!

-- juha