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Date:   Mon, 1 Apr 2019 15:53:23 -0600
From:   Captain Wiggum <>
To:     Florian Westphal <>
Cc:     Greg Kroah-Hartman <>,
        Eric Dumazet <>,
        Peter Oskolkov <>,
Subject: Re: Please merge IPv6 fix for drop fragment smaller than MTU

Thank you for the feedback and the specific commits needed!

On Mon, Apr 1, 2019 at 3:48 PM Florian Westphal <> wrote:
> Captain Wiggum <> wrote:
> > An error was introduced in 4.9.134 (and the other LTS branches also).
> > This causes 18 test cases from the TAHI IPv6 test suite to fail.
> > I added you to the mail thread about this subject a month back.
> > It has been fixed in upstream for some time now, but not in the LTS branches.
> > Please merge this undo-patch into the LTS branches.
> This is only safe after backporting Peters work to convert
> IPv6 to use RB Trees for the reassembly queues,
> otherwise a revert adds back the DoS vector.
> commit d4289fcc9b16b89619ee1c54f829e05e56de8b9a
> net: IP6 defrag: use rbtrees for IPv6 defrag
> commit 997dd96471641e147cb2c33ad54284000d0f5e35
> net: IP6 defrag: use rbtrees in nf_conntrack_reasm.c

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