netdev - Re: [PATCH 4.9 stable 0/5] net: ip6 defrag: backport fixes

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Date:   Mon, 29 Apr 2019 10:57:13 -0600
From:   Captain Wiggum <captwiggum@...il.com>
To:     Peter Oskolkov <posk@...gle.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, netdev@...r.kernel.org,
        Peter Oskolkov <posk@...k.io>,
        David Miller <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Sasha Levin <sashal@...nel.org>, Lars Persson <lists@...h.nu>
Subject: Re: [PATCH 4.9 stable 0/5] net: ip6 defrag: backport fixes

I have run the 4.9 patch set on the full TAHI test sweet.
Similar to 4.14, it does fix all the IPv6 frag header issues.
But the "change MTU" mesg routing is still broken.
Overall, it fixes what it was intended to fix, so I suggest it move
toward release.
Thanks Peter!

--John Masinter

On Fri, Apr 26, 2019 at 9:41 AM Peter Oskolkov <posk@...gle.com> wrote:
>
> This is a backport of a 5.1rc patchset:
>   https://patchwork.ozlabs.org/cover/1029418/
>
> Which was backported into 4.19:
>   https://patchwork.ozlabs.org/cover/1081619/
>
> and into 4.14:
>   https://patchwork.ozlabs.org/cover/1089651/
>
>
> This 4.9 patchset is very close to the 4.14 patchset above
> (cherry-picks from 4.14 were almost clean).
>
>
> Eric Dumazet (1):
>   ipv6: frags: fix a lockdep false positive
>
> Florian Westphal (1):
>   ipv6: remove dependency of nf_defrag_ipv6 on ipv6 module
>
> Peter Oskolkov (3):
>   net: IP defrag: encapsulate rbtree defrag code into callable functions
>   net: IP6 defrag: use rbtrees for IPv6 defrag
>   net: IP6 defrag: use rbtrees in nf_conntrack_reasm.c
>
>  include/net/inet_frag.h                   |  16 +-
>  include/net/ipv6.h                        |  29 --
>  include/net/ipv6_frag.h                   | 111 +++++++
>  net/ieee802154/6lowpan/reassembly.c       |   2 +-
>  net/ipv4/inet_fragment.c                  | 293 ++++++++++++++++++
>  net/ipv4/ip_fragment.c                    | 295 +++---------------
>  net/ipv6/netfilter/nf_conntrack_reasm.c   | 273 +++++-----------
>  net/ipv6/netfilter/nf_defrag_ipv6_hooks.c |   3 +-
>  net/ipv6/reassembly.c                     | 361 ++++++----------------
>  net/openvswitch/conntrack.c               |   1 +
>  10 files changed, 631 insertions(+), 753 deletions(-)
>  create mode 100644 include/net/ipv6_frag.h
>
> --
> 2.21.0.593.g511ec345e18-goog
>