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| author | Joel Stanley <joel@jms.id.au> | 2016-11-21 02:38:38 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2016-11-21 02:38:47 +0300 |
| commit | c55cf1296a0429d91b940a49a59977617a4e4cb3 (patch) | |
| tree | 11d7ae008a0ad5bfe4110966b6df7c44cff723fd /net/ipv4/fou.c | |
| parent | 5509e6ee766f6b910c3b81c02bae291fc1d9a806 (diff) | |
| parent | 86429bd405de5741df4127096deae0b1d90b68f1 (diff) | |
| download | linux-dev-4.4.tar.xz | |
Merge tag 'v4.4.33' into dev-4.4openbmc-4.4-20161121-1dev-4.4
This is the 4.4.33 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'net/ipv4/fou.c')
| -rw-r--r-- | net/ipv4/fou.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c index bd903fe0f750..08d8ee124538 100644 --- a/net/ipv4/fou.c +++ b/net/ipv4/fou.c @@ -48,7 +48,7 @@ static inline struct fou *fou_from_sock(struct sock *sk) return sk->sk_user_data; } -static void fou_recv_pull(struct sk_buff *skb, size_t len) +static int fou_recv_pull(struct sk_buff *skb, size_t len) { struct iphdr *iph = ip_hdr(skb); @@ -59,6 +59,7 @@ static void fou_recv_pull(struct sk_buff *skb, size_t len) __skb_pull(skb, len); skb_postpull_rcsum(skb, udp_hdr(skb), len); skb_reset_transport_header(skb); + return iptunnel_pull_offloads(skb); } static int fou_udp_recv(struct sock *sk, struct sk_buff *skb) @@ -68,9 +69,14 @@ static int fou_udp_recv(struct sock *sk, struct sk_buff *skb) if (!fou) return 1; - fou_recv_pull(skb, sizeof(struct udphdr)); + if (fou_recv_pull(skb, sizeof(struct udphdr))) + goto drop; return -fou->protocol; + +drop: + kfree_skb(skb); + return 0; } static struct guehdr *gue_remcsum(struct sk_buff *skb, struct guehdr *guehdr, @@ -170,6 +176,9 @@ static int gue_udp_recv(struct sock *sk, struct sk_buff *skb) __skb_pull(skb, sizeof(struct udphdr) + hdrlen); skb_reset_transport_header(skb); + if (iptunnel_pull_offloads(skb)) + goto drop; + return -guehdr->proto_ctype; drop: @@ -192,7 +201,7 @@ static struct sk_buff **fou_gro_receive(struct sk_buff **head, if (!ops || !ops->callbacks.gro_receive) goto out_unlock; - pp = ops->callbacks.gro_receive(head, skb); + pp = call_gro_receive(ops->callbacks.gro_receive, head, skb); out_unlock: rcu_read_unlock(); @@ -351,7 +360,7 @@ static struct sk_buff **gue_gro_receive(struct sk_buff **head, if (WARN_ON_ONCE(!ops || !ops->callbacks.gro_receive)) goto out_unlock; - pp = ops->callbacks.gro_receive(head, skb); + pp = call_gro_receive(ops->callbacks.gro_receive, head, skb); out_unlock: rcu_read_unlock(); |