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From: Damien Wyart <damien.wyart@gmail.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Tom Parkin <tparkin@katalix.com>,
	David Miller <davem@davemloft.net>,
	netdev@vger.kernel.org
Subject: Re: [RFC PATCH] udp: don't rereference dst_entry dev pointer on rcv
Date: Sat, 23 Mar 2013 11:31:39 +0100	[thread overview]
Message-ID: <20130323103139.GA4190@brouette> (raw)
In-Reply-To: <20130314161436.GC2512@raven>

Hi Eric,

* Tom Parkin <tparkin@katalix.com> [2013-03-14 16:14]:
> On Thu, Mar 14, 2013 at 04:29:06PM +0100, Eric Dumazet wrote:
> > OK, I tested the following one instead, please test it so that I can send an official patch.

> > Thanks

> > diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
> > index b6d30ac..2d23830 100644
> > --- a/net/ipv4/ip_fragment.c
> > +++ b/net/ipv4/ip_fragment.c
> > @@ -529,6 +529,7 @@ found:
> >  	    qp->q.meat == qp->q.len)
> >  		return ip_frag_reasm(qp, prev, dev);

> > +	skb_dst_drop(skb);
> >  	inet_frag_lru_move(&qp->q);
> >  	return -EINPROGRESS;

> Thanks again, Eric.

> Sadly, with this patch the oops is back :-(  It falls over quite
> quickly for me.

Just a quick check: do you plan to have another look at this in the
coming days/weeks? You said you had a huge backlog, but in the meantime,
you sent many patches on many topics, so just wanted to check if this
one had not be forgotten for ever.

Thanks,
-- 
Damien Wyart

  reply	other threads:[~2013-03-23 10:40 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-07 22:36 [RFC PATCH] prevent oops in udp rcv path Tom Parkin
2013-03-07 22:36 ` [RFC PATCH] udp: don't rereference dst_entry dev pointer on rcv Tom Parkin
2013-03-07 22:47   ` Eric Dumazet
2013-03-07 23:15     ` David Miller
2013-03-13 23:27       ` Tom Parkin
2013-03-14  1:18         ` Eric Dumazet
2013-03-14 14:45           ` Tom Parkin
2013-03-14 15:05             ` Eric Dumazet
2013-03-14 15:29               ` Eric Dumazet
2013-03-14 16:14                 ` Tom Parkin
2013-03-23 10:31                   ` Damien Wyart [this message]
2013-03-23 15:09                     ` Eric Dumazet
2013-04-11 16:32                 ` Eric Dumazet
2013-04-11 17:53                   ` Eric Dumazet
2013-04-11 22:26                     ` Eric Dumazet
2013-04-12 22:32                       ` David Miller
2013-04-12  7:04                     ` Tom Parkin
2013-04-16 20:20                     ` Tom Parkin
2013-04-16 22:55                       ` [PATCH] net: drop dst before queueing fragments Eric Dumazet
2013-04-17  5:15                         ` David Miller
2013-04-16 22:56                       ` [RFC PATCH] udp: don't rereference dst_entry dev pointer on rcv Eric Dumazet

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