diff options
| -rw-r--r-- | net/ipv6/xfrm6_policy.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index 5f983644373a..48bf5a06847b 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -130,12 +130,18 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse) { struct flowi6 *fl6 = &fl->u.ip6; int onlyproto = 0; - u16 offset = skb_network_header_len(skb); const struct ipv6hdr *hdr = ipv6_hdr(skb); + u16 offset = sizeof(*hdr); struct ipv6_opt_hdr *exthdr; const unsigned char *nh = skb_network_header(skb); - u8 nexthdr = nh[IP6CB(skb)->nhoff]; + u16 nhoff = IP6CB(skb)->nhoff; int oif = 0; + u8 nexthdr; + + if (!nhoff) + nhoff = offsetof(struct ipv6hdr, nexthdr); + + nexthdr = nh[nhoff]; if (skb_dst(skb)) oif = skb_dst(skb)->dev->ifindex; |