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-rw-r--r--net/ipv4/netfilter/nf_defrag_ipv4.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c
index eab8de32f200..f3a9b42b16c6 100644
--- a/net/ipv4/netfilter/nf_defrag_ipv4.c
+++ b/net/ipv4/netfilter/nf_defrag_ipv4.c
@@ -66,9 +66,11 @@ static unsigned int ipv4_conntrack_defrag(unsigned int hooknum,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
+ struct sock *sk = skb->sk;
struct inet_sock *inet = inet_sk(skb->sk);
- if (inet && inet->nodefrag)
+ if (sk && (sk->sk_family == PF_INET) &&
+ inet->nodefrag)
return NF_ACCEPT;
#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)