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From: Eric Dumazet <eric.dumazet@gmail.com>
To: "Niccolò Belli" <darkbasic@linuxsystems.it>
Cc: Linux Networking Developer Mailing List <netdev@vger.kernel.org>,
	openadsl-users@lists.sourceforge.net,
	openadsl-devel@lists.sourceforge.net
Subject: Re: [Bug 42809] New: kernel panic when receiving an ipsec packet
Date: Thu, 23 Feb 2012 03:06:25 +0100	[thread overview]
Message-ID: <1329962785.15610.8.camel@edumazet-laptop> (raw)
In-Reply-To: <4F459E37.9010507@linuxsystems.it>

Le jeudi 23 février 2012 à 03:02 +0100, Niccolò Belli a écrit :
> Il 23/02/2012 02:38, Eric Dumazet ha scritto:
> > Which driver handles this Traverse Solos card ?
> 
> drivers/atm/solos-pci.c
> 
> ~# lsmod | grep solos
> solos_pci              20009  2
> atm                    32378  7 pppoatm,br2684,solos_pci
> 

Thanks !

Please try following patch.

diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c
index 534972e..f170933 100644
--- a/net/ipv4/xfrm4_mode_tunnel.c
+++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -84,9 +84,11 @@ static int xfrm4_mode_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
 	if (!(x->props.flags & XFRM_STATE_NOECN))
 		ipip_ecn_decapsulate(skb);
 
-	old_mac = skb_mac_header(skb);
-	skb_set_mac_header(skb, -skb->mac_len);
-	memmove(skb_mac_header(skb), old_mac, skb->mac_len);
+	if (skb_mac_header_was_set(skb)) {
+		old_mac = skb_mac_header(skb);
+		skb_set_mac_header(skb, -skb->mac_len);
+		memmove(skb_mac_header(skb), old_mac, skb->mac_len);
+	}
 	skb_reset_network_header(skb);
 	err = 0;
 

  reply	other threads:[~2012-02-23  2:06 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-42809-100@https.bugzilla.kernel.org/>
2012-02-22 17:20 ` [Bug 42809] New: kernel panic when receiving an ipsec packet Stephen Hemminger
2012-02-22 17:41   ` Niccolò Belli
2012-02-23  0:59     ` Niccolò Belli
2012-02-23  1:38       ` Eric Dumazet
2012-02-23  1:46         ` [openadsl-users] " Jason White
2012-02-23  1:54         ` Eric Dumazet
2012-02-23 13:48           ` Bug#660804: " chas williams - CONTRACTOR
2012-02-23  1:55         ` Niccolò Belli
2012-02-23  2:02         ` Niccolò Belli
2012-02-23  2:06           ` Eric Dumazet [this message]
2012-02-23  2:12             ` Niccolò Belli
2012-02-23 13:45             ` Niccolò Belli
2012-02-23 14:36               ` Eric Dumazet
2012-02-23 14:39                 ` Eric Dumazet
2012-02-23 19:08                   ` Niccolò Belli
2012-02-23 20:11                 ` David Miller
2012-02-23 20:17                   ` Eric Dumazet
2012-02-23 20:23                     ` David Miller
2012-02-23 20:28                       ` Eric Dumazet
2012-02-23 20:55                       ` [PATCH V2] ipsec: be careful of non existing mac headers Eric Dumazet
2012-02-23 21:53                         ` David Miller

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