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Diffstat (limited to 'include/linux/virtio_net.h')
-rw-r--r--include/linux/virtio_net.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 6c395a2600e8..02a9f4dc594d 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -103,8 +103,10 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
if (!skb_partial_csum_set(skb, start, off))
return -EINVAL;
+ if (skb_transport_offset(skb) < nh_min_len)
+ return -EINVAL;
- nh_min_len = max_t(u32, nh_min_len, skb_transport_offset(skb));
+ nh_min_len = skb_transport_offset(skb);
p_off = nh_min_len + thlen;
if (!pskb_may_pull(skb, p_off))
return -EINVAL;
@@ -173,7 +175,8 @@ retry:
break;
case SKB_GSO_TCPV4:
case SKB_GSO_TCPV6:
- if (skb->csum_offset != offsetof(struct tcphdr, check))
+ if (skb->ip_summed == CHECKSUM_PARTIAL &&
+ skb->csum_offset != offsetof(struct tcphdr, check))
return -EINVAL;
break;
}