diff options
| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2006-04-18 14:46:52 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-04-18 15:57:51 -0700 |
| commit | e3cae904d7df4f86ea1d13d459e667d389cc35e3 (patch) | |
| tree | a855ecca9a8ab21b38c80cd5c1389f9f6d1a1f21 /net/ipv6 | |
| parent | ec6700958a776a83681ecb11239c0525730c42ba (diff) | |
| download | lwn-e3cae904d7df4f86ea1d13d459e667d389cc35e3.tar.gz lwn-e3cae904d7df4f86ea1d13d459e667d389cc35e3.zip | |
[IPV6] XFRM: Don't use old copy of pointer after pskb_may_pull().
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/xfrm6_policy.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index 91cce8b2d7a5..588922bd9264 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -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: |