diff options
Diffstat (limited to 'net/ipv4')
-rw-r--r-- | net/ipv4/esp4_offload.c | 3 | ||||
-rw-r--r-- | net/ipv4/tcp_offload.c | 3 | ||||
-rw-r--r-- | net/ipv4/udp_offload.c | 3 |
3 files changed, 9 insertions, 0 deletions
diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c index b1338e576d00..29b333a62ab0 100644 --- a/net/ipv4/esp4_offload.c +++ b/net/ipv4/esp4_offload.c @@ -122,6 +122,9 @@ static struct sk_buff *esp4_gso_segment(struct sk_buff *skb, if (!xo) goto out; + if (!(skb_shinfo(skb)->gso_type & SKB_GSO_ESP)) + goto out; + seq = xo->seq.low; x = skb->sp->xvec[skb->sp->len - 1]; diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c index b6a2aa1dcf56..4d58e2ce0b5b 100644 --- a/net/ipv4/tcp_offload.c +++ b/net/ipv4/tcp_offload.c @@ -32,6 +32,9 @@ static void tcp_gso_tstamp(struct sk_buff *skb, unsigned int ts_seq, static struct sk_buff *tcp4_gso_segment(struct sk_buff *skb, netdev_features_t features) { + if (!(skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)) + return ERR_PTR(-EINVAL); + if (!pskb_may_pull(skb, sizeof(struct tcphdr))) return ERR_PTR(-EINVAL); diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 01801b77bd0d..ea6e6e7df0ee 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -203,6 +203,9 @@ static struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, goto out; } + if (!(skb_shinfo(skb)->gso_type & SKB_GSO_UDP)) + goto out; + if (!pskb_may_pull(skb, sizeof(struct udphdr))) goto out; |