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-rw-r--r--net/ipv4/esp4_offload.c3
-rw-r--r--net/ipv4/igmp.c2
-rw-r--r--net/ipv4/tcp_offload.c3
-rw-r--r--net/ipv4/udp_offload.c3
4 files changed, 10 insertions, 1 deletions
diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c
index 32fbd9ba3609..da5635fc52c2 100644
--- a/net/ipv4/esp4_offload.c
+++ b/net/ipv4/esp4_offload.c
@@ -118,6 +118,9 @@ static struct sk_buff *esp4_gso_segment(struct sk_buff *skb,
if (!xo)
return ERR_PTR(-EINVAL);
+ if (!(skb_shinfo(skb)->gso_type & SKB_GSO_ESP))
+ return ERR_PTR(-EINVAL);
+
x = skb->sp->xvec[skb->sp->len - 1];
aead = x->data;
esph = ip_esp_hdr(skb);
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 02f00be12bb0..10f7f74a0831 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -332,7 +332,7 @@ static __be32 igmpv3_get_srcaddr(struct net_device *dev,
return htonl(INADDR_ANY);
for_ifa(in_dev) {
- if (inet_ifa_match(fl4->saddr, ifa))
+ if (fl4->saddr == ifa->ifa_local)
return fl4->saddr;
} endfor_ifa(in_dev);
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;