[Bug 252913] [tcp] Using RACK leaks mbufs

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Thu Jan 28 15:48:34 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252913

--- Comment #15 from Michael Tuexen <tuexen at freebsd.org> ---
(In reply to iron.udjin from comment #13)
I have to correct myself: I can't reproduce that locally. I just did not wait
long enough such that all resources were freed again.

Can you remove all traffic from one of your production machines and let it sit
around for a while to see if all the TCP connections disappear and all mbufs
are freed or not?

Can you provide the output of netstat -sptcp? Maybe that gives a hint what is
happening and how to trigger the leak.

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