diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/addrconf.c | 19 | ||||
| -rw-r--r-- | net/ipv6/icmp.c | 4 | ||||
| -rw-r--r-- | net/ipv6/ip6_input.c | 3 | ||||
| -rw-r--r-- | net/ipv6/netfilter/nf_conntrack_reasm.c | 2 |
4 files changed, 24 insertions, 4 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 5ab9973571e..87f688857ad 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -776,6 +776,7 @@ static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, struct inet6_ifaddr *i struct inet6_dev *idev = ifp->idev; struct in6_addr addr, *tmpaddr; unsigned long tmp_prefered_lft, tmp_valid_lft, tmp_cstamp, tmp_tstamp; + unsigned long regen_advance; int tmp_plen; int ret = 0; int max_addresses; @@ -836,8 +837,23 @@ retry: tmp_tstamp = ifp->tstamp; spin_unlock_bh(&ifp->lock); + regen_advance = idev->cnf.regen_max_retry * + idev->cnf.dad_transmits * + idev->nd_parms->retrans_time / HZ; write_unlock(&idev->lock); + /* A temporary address is created only if this calculated Preferred + * Lifetime is greater than REGEN_ADVANCE time units. In particular, + * an implementation must not create a temporary address with a zero + * Preferred Lifetime. + */ + if (tmp_prefered_lft <= regen_advance) { + in6_ifa_put(ifp); + in6_dev_put(idev); + ret = -1; + goto out; + } + addr_flags = IFA_F_TEMPORARY; /* set in addrconf_prefix_rcv() */ if (ifp->flags & IFA_F_OPTIMISTIC) @@ -1834,6 +1850,9 @@ ok: * lifetimes of an existing temporary address * when processing a Prefix Information Option. */ + if (ifp != ift->ifpub) + continue; + spin_lock(&ift->lock); flags = ift->flags; if (ift->valid_lft > valid_lft && diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 63309d10df3..227ce3d2339 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -440,10 +440,10 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info, } if (xfrm_decode_session_reverse(skb, &fl2, AF_INET6)) - goto out; + goto out_dst_release; if (ip6_dst_lookup(sk, &dst2, &fl)) - goto out; + goto out_dst_release; err = xfrm_lookup(&dst2, &fl, sk, XFRM_LOOKUP_ICMP); if (err == -ENOENT) { diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index 7e36269826b..43a617e2268 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -234,8 +234,7 @@ int ip6_mc_input(struct sk_buff *skb) IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INMCASTPKTS); hdr = ipv6_hdr(skb); - deliver = unlikely(skb->dev->flags & (IFF_PROMISC|IFF_ALLMULTI)) || - ipv6_chk_mcast_addr(skb->dev, &hdr->daddr, NULL); + deliver = ipv6_chk_mcast_addr(skb->dev, &hdr->daddr, NULL); /* * IPv6 multicast router mode isnt currently supported. diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index ad8066200f9..9e5f305b202 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -171,7 +171,9 @@ static __inline__ void fq_kill(struct nf_ct_frag6_queue *fq) static void nf_ct_frag6_evictor(void) { + local_bh_disable(); inet_frag_evictor(&nf_init_frags, &nf_frags); + local_bh_enable(); } static void nf_ct_frag6_expire(unsigned long data) |