netdev - Re: [PATCH net] ipv6: un-do: defrag: drop non-last frags smaller than min mtu

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Date:   Mon, 8 Apr 2019 19:15:11 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     Peter Oskolkov <posk@...k.io>
Cc:     Captain Wiggum <captwiggum@...il.com>, davem@...emloft.net,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Florian Westphal <fw@...len.de>,
        Eric Dumazet <edumazet@...gle.com>,
        Peter Oskolkov <posk@...gle.com>, netdev@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH net] ipv6: un-do: defrag: drop non-last frags smaller
 than min mtu

On Mon, Apr 08, 2019 at 10:13:57AM -0700, Peter Oskolkov wrote:
>On Mon, Apr 8, 2019 at 9:29 AM Captain Wiggum <captwiggum@...il.com> wrote:
>>
>> Thank you Peter!
>>
>> I tried the patch on 4.9.167 & 4.19.32. It's out of sync with upstream.
>> Looks like a little different work needed for each LTS kernel.
>> Is someone is familiar with it, and is available to patch it?
>
>I'll try to backport the patchset to 4.9 and send it out for review.
>If it is accepted (this
>will be my first stable backport attempt), I'll do the same for 4.14 and 4.19.

Please start with 4.19 and work backwards for two reasons:

1. If we fix something in 4.9, and the user upgrades to a broken
4.14/4.19 he'll be very upset.

2. It'll make the backporting process much easier for you as the
differences between 4.19 and 5.0 are much smaller than 4.9 and 5.0.


--
Thanks,
Sasha