| Message ID | 1393849116-3940-1-git-send-email-lucien.xin@gmail.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Xin Long <lucien.xin@gmail.com> Date: Mon, 3 Mar 2014 20:18:36 +0800 > when ip_tunnel process multicast packets, it may check if the packet is looped > back packet though 'rt_is_output_route(skb_rtable(skb))' in ip_tunnel_rcv(), > but before that , skb->_skb_refdst has been dropped in iptunnel_pull_header(), > so which leads to a panic. > > fix the bug: https://bugzilla.kernel.org/show_bug.cgi?id=70681 > > Signed-off-by: Xin Long <lucien.xin@gmail.com> Applied and queued up for -stable, thank you. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index 6156f4e..88b08aa 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -108,7 +108,6 @@ int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto) nf_reset(skb); secpath_reset(skb); skb_clear_hash_if_not_l4(skb); - skb_dst_drop(skb); skb->vlan_tci = 0; skb_set_queue_mapping(skb, 0); skb->pkt_type = PACKET_HOST;
when ip_tunnel process multicast packets, it may check if the packet is looped back packet though 'rt_is_output_route(skb_rtable(skb))' in ip_tunnel_rcv(), but before that , skb->_skb_refdst has been dropped in iptunnel_pull_header(), so which leads to a panic. fix the bug: https://bugzilla.kernel.org/show_bug.cgi?id=70681 Signed-off-by: Xin Long <lucien.xin@gmail.com> --- net/ipv4/ip_tunnel_core.c | 1 - 1 file changed, 1 deletion(-)