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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Fengguang Wu <wfg@linux.intel.com>
Cc: David Miller <davem@davemloft.net>,
	netdev@vger.kernel.org,
	Steffen Klassert <steffen.klassert@secunet.com>
Subject: Re: BUG: unable to handle kernel paging request at 00000000d8be176d
Date: Fri, 06 Jul 2012 08:13:47 +0200	[thread overview]
Message-ID: <1341555227.3265.54.camel@edumazet-glaptop> (raw)
In-Reply-To: <20120706055859.GA27693@localhost>

On Fri, 2012-07-06 at 13:58 +0800, Fengguang Wu wrote:
> On Thu, Jul 05, 2012 at 02:22:00PM -0700, David Miller wrote:
> > 
> > Steffen Klassert posted a patch which fixes this.
> 
> Steffen's patch converts one oops message into another.
> 
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
> head:   700db99d0140e9da2a31e08ebd3e1b121691aa26
> commit: a2de86f63cfc92f7aaf11e7b9d9f2150946a1622 [1/2] ipv6: Initialize the neighbour pointer of rt6_info on allocation
> 
> x86_64-allyesdebian         BBB

Please try :

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 6d9c0ab..c6af596 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -975,7 +975,7 @@ static int ip6_dst_lookup_tail(struct sock *sk,
 	 * dst entry of the nexthop router
 	 */
 	rcu_read_lock();
-	rt = (struct rt6_info *) dst;
+	rt = (struct rt6_info *) *dst;
 	n = rt->n;
 	if (n && !(n->nud_state & NUD_VALID)) {
 		struct inet6_ifaddr *ifp;

  reply	other threads:[~2012-07-06  6:13 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-05 13:48 [net-next:master] general protection fault in __nla_put() wfg
2012-07-05 21:22 ` David Miller
2012-07-06  5:58   ` BUG: unable to handle kernel paging request at 00000000d8be176d Fengguang Wu
2012-07-06  6:13     ` Eric Dumazet [this message]
2012-07-06  6:41       ` Eric Dumazet
2012-07-06  6:44         ` David Miller
2012-07-06  6:53           ` Eric Dumazet
2012-07-06  7:03             ` David Miller
2012-07-06  7:19               ` [PATCH net-next] ipv6: fix a bad cast in ip6_dst_lookup_tail() Eric Dumazet
2012-07-06  7:24                 ` David Miller
2012-07-06  6:42       ` BUG: unable to handle kernel paging request at 00000000d8be176d David Miller
2012-07-06  7:37         ` Fengguang Wu
2012-07-06  7:52           ` Fengguang Wu
2012-07-06  8:29             ` David Miller
2012-07-06  8:34               ` Fengguang Wu
2012-07-06  8:26           ` David Miller

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