---

yaml
---
r: 64544
b: refs/heads/master
c: e7c243c
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7c8347a91dbbb723d8ed106ec817dabac97f2bbc
+refs/heads/master: e7c243c925f6d9dcb898504ff24d6650b5cbb3b1

trunk/net/8021q/vlan_dev.c

@@ -116,12 +116,22 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
 		  struct packet_type* ptype, struct net_device *orig_dev)
 {
 	unsigned char *rawp = NULL;
-	struct vlan_hdr *vhdr = (struct vlan_hdr *)(skb->data);
+	struct vlan_hdr *vhdr;
 	unsigned short vid;
 	struct net_device_stats *stats;
 	unsigned short vlan_TCI;
 	__be16 proto;
 
+	if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
+		return -1;
+
+	if (unlikely(!pskb_may_pull(skb, VLAN_HLEN))) {
+		kfree_skb(skb);
+		return -1;
+	}
+
+	vhdr = (struct vlan_hdr *)(skb->data);
+
 	/* vlan_TCI = ntohs(get_unaligned(&vhdr->h_vlan_TCI)); */
 	vlan_TCI = ntohs(vhdr->h_vlan_TCI);
 

trunk/net/bridge/br_netfilter.c

@@ -509,17 +509,21 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff **pskb,
 				      int (*okfn)(struct sk_buff *))
 {
 	struct iphdr *iph;
-	__u32 len;
 	struct sk_buff *skb = *pskb;
+	__u32 len = nf_bridge_encap_header_len(skb);
+
+	if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
+		return NF_STOLEN;
+
+	if (unlikely(!pskb_may_pull(skb, len)))
+		goto out;
 
 	if (skb->protocol == htons(ETH_P_IPV6) || IS_VLAN_IPV6(skb) ||
 	    IS_PPPOE_IPV6(skb)) {
 #ifdef CONFIG_SYSCTL
 		if (!brnf_call_ip6tables)
 			return NF_ACCEPT;
 #endif
-		if ((skb = skb_share_check(*pskb, GFP_ATOMIC)) == NULL)
-			goto out;
 		nf_bridge_pull_encap_header_rcsum(skb);
 		return br_nf_pre_routing_ipv6(hook, skb, in, out, okfn);
 	}
@@ -532,8 +536,6 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff **pskb,
 	    !IS_PPPOE_IP(skb))
 		return NF_ACCEPT;
 
-	if ((skb = skb_share_check(*pskb, GFP_ATOMIC)) == NULL)
-		goto out;
 	nf_bridge_pull_encap_header_rcsum(skb);
 
 	if (!pskb_may_pull(skb, sizeof(struct iphdr)))