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Date:      Fri, 31 Aug 2018 08:38:07 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 231045] ipv6 fragment reassembly broken
Message-ID:  <bug-231045-7501-ao7cbNsYzr@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-231045-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-231045-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D231045

--- Comment #3 from commit-hook@freebsd.org ---
A commit references this bug:

Author: kp
Date: Fri Aug 31 08:37:15 UTC 2018
New revision: 338406
URL: https://svnweb.freebsd.org/changeset/base/338406

Log:
  frag6: Fix fragment reassembly

  r337776 started hashing the fragments into buckets for faster lookup.

  The hashkey is larger than intended. This results in random stack data be=
ing
  included in the hashed data, which in turn means that fragments of the sa=
me
  packet might end up in different buckets, causing the reassembly to fail.

  Set the correct size for hashkey.

  PR:           231045
  Approved by:  re (kib)
  MFC after:    3 days

Changes:
  head/sys/netinet6/frag6.c

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