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Commit 5d0ff542 authored by Hannes Frederic Sowa's avatar Hannes Frederic Sowa Committed by Steffen Klassert
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ipv6: xfrm: dereference inner ipv6 header if encapsulated 



In xfrm6_local_error use inner_header if the packet was encapsulated.

Cc: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarHannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
parent 3d483058

net/ipv6/xfrm6_output.c

+3 −1
Original line number Original line Diff line number Diff line
@@ -59,10 +59,12 @@ static void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu) 
void xfrm6_local_error(struct sk_buff *skb, u32 mtu)

void xfrm6_local_error(struct sk_buff *skb, u32 mtu)

{

{

	struct flowi6 fl6;

	struct flowi6 fl6;

	const struct ipv6hdr *hdr;

	struct sock *sk = skb->sk;

	struct sock *sk = skb->sk;





	hdr = skb->encapsulation ? inner_ipv6_hdr(skb) : ipv6_hdr(skb);

	fl6.fl6_dport = inet_sk(sk)->inet_dport;

	fl6.fl6_dport = inet_sk(sk)->inet_dport;

	fl6.daddr = ipv6_hdr(skb)->daddr;

	fl6.daddr = hdr->daddr;





	ipv6_local_error(sk, EMSGSIZE, &fl6, mtu);

	ipv6_local_error(sk, EMSGSIZE, &fl6, mtu);

}

}