From 1c134c659904809d1ca3baf2bb295ca1c7107aee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 8 May 2024 19:45:37 +0200 Subject: Merging upstream version 5.10.216. Signed-off-by: Daniel Baumann --- net/ipv6/ip6_gre.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net/ipv6/ip6_gre.c') diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 2df103633..13ac0ccdc 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -533,6 +533,9 @@ static int ip6erspan_rcv(struct sk_buff *skb, struct ip6_tnl *tunnel; u8 ver; + if (unlikely(!pskb_may_pull(skb, sizeof(*ershdr)))) + return PACKET_REJECT; + ipv6h = ipv6_hdr(skb); ershdr = (struct erspan_base_hdr *)skb->data; ver = ershdr->ver; -- cgit v1.2.3