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authorDavid S. Miller <davem@davemloft.net>2013-01-22 20:20:28 +0100
committerDavid S. Miller <davem@davemloft.net>2013-01-22 20:20:28 +0100
commit0c8729c9b914cc0360ab87171472ca7653b2aa0e (patch)
treea8b32c48effb4244f6f3e7bd6cc5252c93db9c7e /net/ipv6/ah6.c
parentnet: net_cls: fd passed in SCM_RIGHTS datagram not set correctly (diff)
parentxfrm4: Invalidate all ipv4 routes on IPsec pmtu events (diff)
downloadlinux-0c8729c9b914cc0360ab87171472ca7653b2aa0e.tar.xz
linux-0c8729c9b914cc0360ab87171472ca7653b2aa0e.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says: ==================== 1) The transport header did not point to the right place after esp/ah processing on tunnel mode in the receive path. As a result, the ECN field of the inner header was not set correctly, fixes from Li RongQing. 2) We did a null check too late in one of the xfrm_replay advance functions. This can lead to a division by zero, fix from Nickolai Zeldovich. 3) The size calculation of the hash table missed the muiltplication with the actual struct size when the hash table is freed. We might call the wrong free function, fix from Michal Kubecek. 4) On IPsec pmtu events we can't access the transport headers of the original packet, so force a relookup for all routes to notify about the pmtu event. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ah6.c')
-rw-r--r--net/ipv6/ah6.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index ecc35b93314b..384233188ac1 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -472,7 +472,10 @@ static void ah6_input_done(struct crypto_async_request *base, int err)
skb->network_header += ah_hlen;
memcpy(skb_network_header(skb), work_iph, hdr_len);
__skb_pull(skb, ah_hlen + hdr_len);
- skb_set_transport_header(skb, -hdr_len);
+ if (x->props.mode == XFRM_MODE_TUNNEL)
+ skb_reset_transport_header(skb);
+ else
+ skb_set_transport_header(skb, -hdr_len);
out:
kfree(AH_SKB_CB(skb)->tmp);
xfrm_input_resume(skb, err);
@@ -593,9 +596,13 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
skb->network_header += ah_hlen;
memcpy(skb_network_header(skb), work_iph, hdr_len);
- skb->transport_header = skb->network_header;
__skb_pull(skb, ah_hlen + hdr_len);
+ if (x->props.mode == XFRM_MODE_TUNNEL)
+ skb_reset_transport_header(skb);
+ else
+ skb_set_transport_header(skb, -hdr_len);
+
err = nexthdr;
out_free: