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Commit e3cae904 authored by YOSHIFUJI Hideaki's avatar YOSHIFUJI Hideaki Committed by David S. Miller
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[IPV6] XFRM: Don't use old copy of pointer after pskb_may_pull(). 



Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ec670095

net/ipv6/xfrm6_policy.c

+3 −1
Original line number Diff line number Diff line
@@ -193,7 +193,7 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl) 
{

	u16 offset = sizeof(struct ipv6hdr);

	struct ipv6hdr *hdr = skb->nh.ipv6h;

	struct ipv6_opt_hdr *exthdr = (struct ipv6_opt_hdr*)(skb->nh.raw + offset);

	struct ipv6_opt_hdr *exthdr;

	u8 nexthdr = skb->nh.ipv6h->nexthdr;



	memset(fl, 0, sizeof(struct flowi));
@@ -201,6 +201,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl) 
	ipv6_addr_copy(&fl->fl6_src, &hdr->saddr);



	while (pskb_may_pull(skb, skb->nh.raw + offset + 1 - skb->data)) {

		exthdr = (struct ipv6_opt_hdr*)(skb->nh.raw + offset);



		switch (nexthdr) {

		case NEXTHDR_ROUTING:

		case NEXTHDR_HOP: