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Date:      Fri, 20 Nov 2020 13:01:22 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 250499] [tcp] Should we reject the packet with timestamp if no timestamp in SYN and SYN_ACK?
Message-ID:  <bug-250499-7501-zF9oLDQxJa@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-250499-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-250499-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D250499

--- Comment #2 from commit-hook@FreeBSD.org ---
A commit references this bug:

Author: tuexen
Date: Fri Nov 20 13:00:29 UTC 2020
New revision: 367891
URL: https://svnweb.freebsd.org/changeset/base/367891

Log:
  Fix an issue I introuced in r367530: tcp_twcheck() can be called
  with to =3D=3D NULL for SYN segments. So don't assume tp !=3D NULL.
  Thanks to jhb@ for reporting and suggesting a fix.

  PR:                   250499
  MFC after:            1 week
  XMFC-with:            r367530
  Sponsored by:         Netflix, Inc.

Changes:
  head/sys/netinet/tcp_timewait.c

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