netdev - Re: 319554f284dd ("inet: don't use sk_v6_rcv_saddr directly") causes bind port regression

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Date:   Mon, 13 Nov 2017 08:36:26 +0100
From:   Marc Haber <mh+linux-kernel@...schlus.de>
To:     Cole Robinson <crobinso@...hat.com>, Josef Bacik <jbacik@...com>,
        Laura Abbott <labbott@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: 319554f284dd ("inet: don't use sk_v6_rcv_saddr directly") causes
 bind port regression

Hi,

those four patches never made it into any 4.13 release.

0001-net-call-sk_reuseport_match-if-we-are-a-reusesock.patch
0001-net-don-t-fast-patch-mismatched-sockets-in-STRICT-mo.patch
0001-net-use-inet6_rcv_saddr-to-compare-sockets.patch
0001-net-set-tb-fast_sk_family.patch

And I have just seen that the first two are not even in 4.14. What does
that mean for libvirt users on systems runnign a 4.14 kernel?

The third and fourth patch
(0001-net-use-inet6_rcv_saddr-to-compare-sockets.patch and
0001-net-set-tb-fast_sk_family.patch) seem to be in 4.14.

Greetings
Marc

On Mon, Sep 18, 2017 at 10:02:32AM +0200, Marc Haber wrote:
> On Sun, Sep 17, 2017 at 09:17:13AM -0400, Cole Robinson wrote:
> > On 09/15/2017 01:51 PM, Josef Bacik wrote:
> > > Finally got access to a box to run this down myself.  This patch on top of the other patches fixes the problem for me, could you verify it works for you?  Thanks,
> > > 
> > 
> > Yup I can confirm that patch fixes things when applied on top of the
> > previous 3 patches. Thanks! Please tag those patches for stable releases
> > if appropriate, this is affecting a decent amount of libvirt users
> 
> I can also confirm that these four patches fix things for me (on
> Debian) as well. Thanks!
> 
> I would love to have this in one of Greg's next 4.13 releases.

-- 
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Marc Haber         | "I don't trust Computers. They | Mailadresse im Header
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