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Re: Linux 4.2.4

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On Sun, Oct 25, 2015 at 01:25:47AM -0700, Greg KH wrote:
> On Sun, Oct 25, 2015 at 08:25:49AM +0100, Gerhard Wiesinger wrote:
> > On 23.10.2015 02:33, Greg KH wrote:
> > >I'm announcing the release of the 4.2.4 kernel.
> > >
> > >All users of the 4.2 kernel series must upgrade.
> > >
> > >The updated 4.2.y git tree can be found at:
> > >	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.2.y
> > >and can be browsed at the normal kernel.org git web browser:
> > >	http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary
> > >
> > >thanks,
> > >
> > >greg k-h
> > >
> > 
> > Hello Greg,
> > 
> > Kernel 4.2.4 is still broken regarding iptables/ipset:
> > https://bugzilla.redhat.com/show_bug.cgi?id=1272645
> > 
> > Kernel 4.1.10 works well.
> > 
> > Please fix it ASAP.
> 
> Fix it with what patch?

It's not even sure there's a patch for this. There were numerous changes
to ipset between 4.1 and 4.2 and very few in 4.3-rc, any you backported
them all. Also, Gerhard's trace in the bugzilla report above is very
poor, there's just one line of the panic, nothing exploitable at all,
nothing even indicates that it is related to ipset at all.

Gerhard, it would be easier if you could bisect between 4.1 and 4.2 to
find what patch introduced the regression if you can easily reproduce
the issue. That would make it more obvious what to look at and the
patch author might have some ideas about the real problem.

Willy

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Linux 4.2.4 Greg KH <gregkh@linuxfoundation.org> - 2015-10-23 02:40 +0200
  Re: Linux 4.2.4 Gerhard Wiesinger <lists@wiesinger.com> - 2015-10-25 08:40 +0100
    Re: Linux 4.2.4 Greg KH <gregkh@linuxfoundation.org> - 2015-10-25 09:40 +0100
      Re: Linux 4.2.4 Willy Tarreau <w@1wt.eu> - 2015-10-25 10:10 +0100
        Re: Linux 4.2.4 Gerhard Wiesinger <lists@wiesinger.com> - 2015-10-25 10:40 +0100
          Re: Linux 4.2.4 Willy Tarreau <w@1wt.eu> - 2015-10-25 10:50 +0100
            Re: Linux 4.2.4 Gerhard Wiesinger <lists@wiesinger.com> - 2015-10-25 11:50 +0100
              Re: Linux 4.2.4 Greg KH <gregkh@linuxfoundation.org> - 2015-10-25 17:40 +0100
                Re: Linux 4.2.4 Gerhard Wiesinger <lists@wiesinger.com> - 2015-10-25 18:20 +0100
              Re: Linux 4.2.4 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> - 2015-10-25 21:00 +0100
                Re: Linux 4.2.4 Gerhard Wiesinger <lists@wiesinger.com> - 2015-10-25 21:10 +0100
                Re: Linux 4.2.4 Gerhard Wiesinger <lists@wiesinger.com> - 2015-10-25 22:30 +0100
                Re: Linux 4.2.4 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> - 2015-10-25 23:00 +0100
                Re: Linux 4.2.4 Gerhard Wiesinger <lists@wiesinger.com> - 2015-10-26 08:30 +0100
                Re: Linux 4.2.4 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> - 2015-10-26 10:00 +0100
                Re: Linux 4.2.4 Gerhard Wiesinger <lists@wiesinger.com> - 2015-10-26 10:20 +0100
      Re: Linux 4.2.4 Gerhard Wiesinger <lists@wiesinger.com> - 2015-10-25 10:10 +0100

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