diff options
Diffstat (limited to 'src/receive.c')
| -rw-r--r-- | src/receive.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/receive.c b/src/receive.c index 492a62f..3ce472b 100644 --- a/src/receive.c +++ b/src/receive.c @@ -35,7 +35,7 @@ static inline int skb_prepare_header(struct sk_buff *skb, struct wireguard_devic struct udphdr *udp; size_t data_offset, data_len; enum message_type message_type; - if (unlikely(skb_examine_untrusted_ip_hdr(skb) != skb->protocol || skb_transport_header(skb) < skb->head || (skb_transport_header(skb) + sizeof(struct udphdr)) >= skb_tail_pointer(skb))) + if (unlikely(skb_examine_untrusted_ip_hdr(skb) != skb->protocol || skb_transport_header(skb) < skb->head || (skb_transport_header(skb) + sizeof(struct udphdr)) > skb_tail_pointer(skb))) return -EINVAL; /* Bogus IP header */ udp = udp_hdr(skb); data_offset = (u8 *)udp - skb->data; |