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-rw-r--r--net/packet/af_packet.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 677f9cfa9660..ca6e92a22923 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1935,8 +1935,10 @@ static void packet_parse_headers(struct sk_buff *skb, struct socket *sock)
/* Move network header to the right position for VLAN tagged packets */
if (likely(skb->dev->type == ARPHRD_ETHER) &&
eth_type_vlan(skb->protocol) &&
- __vlan_get_protocol(skb, skb->protocol, &depth) != 0)
- skb_set_network_header(skb, depth);
+ __vlan_get_protocol(skb, skb->protocol, &depth) != 0) {
+ if (pskb_may_pull(skb, depth))
+ skb_set_network_header(skb, depth);
+ }
skb_probe_transport_header(skb);
}