[OpenSIPS-Devel] OpenSIPS Crash

[Ben Newlin]

Hello,

We have been having sporadic crashes and I was recently able to recover a core dump for one. I have uploaded it here: https://pastebin.com/ABktcYcH.

I picked out a Call-ID from the crash data and took a look in our tracing. I have uploaded it here: https://pastebin.com/ZEzUUKZ5.

It appears that a downstream server was extremely lagged and failed to respond to an INVITE. We sent the INVITE to another server and the call was connected, but then eventually the original server “caught up” and sent a burst of 200 OK responses. The crash seems to have occurred processing the ACK to one of these responses.

Ben Newlin
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