netdev - Re: Linux 3.4.92 breaks forwarding with netfilter enabled

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Message-ID: <20140612175427.GB30060@kroah.com>
Date:	Thu, 12 Jun 2014 10:54:27 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Florian Westphal <fw@...len.de>, Jiri Slaby <jslaby@...e.cz>,
	stable@...r.kernel.org, ML netdev <netdev@...r.kernel.org>
Subject: Re: Linux 3.4.92 breaks forwarding with netfilter enabled

On Thu, Jun 12, 2014 at 07:25:16PM +0200, Guillaume Morin wrote:
> On 11 Jun 10:10, Florian Westphal wrote:
> >
> > Jiri Slaby <jslaby@...e.cz> wrote:
> > > > Gergely, please either revert
> > > > 
> > > > commit bd91cb56f951a7b0da8c3098ea9cd56854ece66c
> > > > Author: Florian Westphal <fw@...len.de>
> > > > net: ipv4: ip_forward: fix inverted local_df test
> > > > [ Upstream commit ca6c5d4ad216d5942ae544bbf02503041bd802aa ]
> > > > 
> > > > Or, alternatively, also apply upstream commit 895162b1101b3ea5db08ca6822ae9672717efec0
> > > > Author: Florian Westphal <fw@...len.de>
> > > > Date:   Fri May 2 15:32:16 2014 +0200
> > > > netfilter: ipv4: defrag: set local_df flag on defragmented skb
> > > > 
> > > > on top of your 3.4.92 kernel.
> > > > 
> > > > (The latter might be a better option since it will also fix the
> > > >  long-standing issue where netfilter sends bogus frag-needed message
> > > >  under very rare circumstances).
> > > 
> > > I believe, the same holds for 3.12, right? (I have just applied "defrag:
> > > set local_df flag on defragmented skb".)
> > 
> > Yes, its true for all -stable kernels (except new 3.15).
> > 
> > Thanks for taking care of this.
> 
> Greg, could you apply this one to 3.4,3.10,3.14 as well please?

I just did that :)

thanks,

greg k-h
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