[Bug 258087] net/asterisk: 18.6.0 is crashing silently

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 03 Sep 2021 15:31:25 UTC

--- Comment #2 from O. Hartmann <ohartmann@walstatt.org> ---
(In reply to Oljas Kuzembaev from comment #1)

Well, I do not have an clue at all. But I thing there is an issue with the
network. My router is utilizig mpd5 as pppoe service. To force a change of the
IPv4 given by the provider, I restart the service mpd5 via cron at a specific
time and as I wrote earlier in the PR, that is also in almost all cases the
time when the last log entry of asterisk was registered.

This time I had to restart mpd5 due to some development on my dynDNS scripts
and, voila!, asterisk raise CPU usage shortly after mpd5 has been restarted and
crashes afterwards with a SIGNAL 11.

I use IPFw as one and only IP filtering system. Now I try to restart also IPFW
with the mpd5 link-up script when IPS are going to change and see what's
happening to asterisk.

By the way: my asterisk configuration uses the symbolic name (therefore dynDNS)
and I also use a special setup of dns/bind916. Means: I resolve the ISP's SIP
proxy/SIP server with the DNS given by the ISP and all others with "free and
open" resolver. This kind of setup seemed to force some trouble in the past,
although I can't be specific on that.

This is the crash scenario when I'm forcing the change of address. I have not
investigated so far whether asterisk dies the same way when the ISP is changing
the outbound addresses.

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