[Bug 217637] One TCP connection accepted TWO times

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Apr 4 09:56:23 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217637

--- Comment #80 from Michael Tuexen <tuexen at freebsd.org> ---
I put a patch under review: https://reviews.freebsd.org/D10272

If syncookies are used in case of an overflow of the syncache, its usage is
restricted to the case where there was an overflow recently. This mitigates the
problem describe in the PR.

I'm still investing the behaviour in case of close()/shutdown(,SHUT_RD) and
received user data.

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