[Bug 296594] TCP: RFC 5961 sends a challenge ACK instead of resetting when a valid RST arrives with SEG.SEQ == RCV.NXT and the receiver has delayed-ACKed data, leaving the connection half-open

[email protected] Wed, 08 Jul 2026 09:40:23 +0000
Newsgroups gmane.os.freebsd.bugs
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296594

--- Comment #2 from Thomas Grainger <[email protected]> ---
Created attachment 272595
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=272595&action=edit
proposed patch

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