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authorDavid S. Miller <davem@davemloft.net>2013-10-09 13:41:45 -0400
committerDavid S. Miller <davem@davemloft.net>2013-10-09 13:41:45 -0400
commitf606385068afe00683f080555f5d0fa9fb8e1f37 (patch)
tree3334accd9ac56ad2fed5881e5500c40a820d7911 /net/ipv6
parentcb03db9d0e964568407fb08ea46cc2b6b7f67587 (diff)
parent2bb53e2557964c2c5368a0392cf3b3b63a288cd0 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says: ==================== 1) We used the wrong netlink attribute to verify the lenght of the replay window on async events. Fix this by using the right netlink attribute. 2) Policy lookups can not match the output interface on forwarding. Add the needed informations to the flow informations. 3) We update the pmtu when we receive a ICMPV6_DEST_UNREACH message on IPsec with ipv6. This is wrong and leads to strange fragmented packets, only ICMPV6_PKT_TOOBIG messages should update the pmtu. Fix this by removing the ICMPV6_DEST_UNREACH check from the IPsec protocol error handlers. 4) The legacy IPsec anti replay mechanism supports anti replay windows up to 32 packets. If a user requests for a bigger anti replay window, we use 32 packets but pretend that we use the requested window size. Fix from Fan Du. 5) If asynchronous events are enabled and replay_maxdiff is set to zero, we generate an async event for every received packet instead of checking whether a timeout occurred. Fix from Thomas Egerer. 6) Policies need a refcount when the state resolution timer is armed. Otherwise the timer can fire after the policy is deleted. 7) We might dreference a NULL pointer if the hold_queue is empty, add a check to avoid this. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/ah6.c3
-rw-r--r--net/ipv6/esp6.c3
-rw-r--r--net/ipv6/ipcomp6.c3
-rw-r--r--net/ipv6/xfrm6_policy.c1
4 files changed, 4 insertions, 6 deletions
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 73784c3d464..82e1da3a40b 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -618,8 +618,7 @@ static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
struct ip_auth_hdr *ah = (struct ip_auth_hdr*)(skb->data+offset);
struct xfrm_state *x;
- if (type != ICMPV6_DEST_UNREACH &&
- type != ICMPV6_PKT_TOOBIG &&
+ if (type != ICMPV6_PKT_TOOBIG &&
type != NDISC_REDIRECT)
return;
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index d3618a78fca..e67e63f9858 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -436,8 +436,7 @@ static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
struct ip_esp_hdr *esph = (struct ip_esp_hdr *)(skb->data + offset);
struct xfrm_state *x;
- if (type != ICMPV6_DEST_UNREACH &&
- type != ICMPV6_PKT_TOOBIG &&
+ if (type != ICMPV6_PKT_TOOBIG &&
type != NDISC_REDIRECT)
return;
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 5636a912074..ce507d9e1c9 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -64,8 +64,7 @@ static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
(struct ip_comp_hdr *)(skb->data + offset);
struct xfrm_state *x;
- if (type != ICMPV6_DEST_UNREACH &&
- type != ICMPV6_PKT_TOOBIG &&
+ if (type != ICMPV6_PKT_TOOBIG &&
type != NDISC_REDIRECT)
return;
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 23ed03d786c..08ed2772b7a 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -138,6 +138,7 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
memset(fl6, 0, sizeof(struct flowi6));
fl6->flowi6_mark = skb->mark;
+ fl6->flowi6_oif = skb_dst(skb)->dev->ifindex;
fl6->daddr = reverse ? hdr->saddr : hdr->daddr;
fl6->saddr = reverse ? hdr->daddr : hdr->saddr;