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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAFTs51UG1J92q=n4-TDnqFF6jFA3PxwhXoJPzUUF1zogNn3yqw@mail.gmail.com>
Date:   Mon, 8 Apr 2019 16:38:55 -0700
From:   Peter Oskolkov <posk@...k.io>
To:     Sasha Levin <sashal@...nel.org>
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 8, 2019 at 4:15 PM Sasha Levin <sashal@...nel.org> wrote:
>
> 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 - it is indeed much easier to backport to 4.19. I'll
send the patchset for review shortly.

>
> --
> Thanks,
> Sasha