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-rw-r--r--net/ipv6/addrconf.c4
-rw-r--r--net/ipv6/ndisc.c7
2 files changed, 9 insertions, 2 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 2a7e461..e385469 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3393,7 +3393,7 @@ static void inline ipv6_store_devconf(struct ipv6_devconf *cnf,
#ifdef CONFIG_IPV6_ROUTER_PREF
array[DEVCONF_ACCEPT_RA_RTR_PREF] = cnf->accept_ra_rtr_pref;
array[DEVCONF_RTR_PROBE_INTERVAL] = cnf->rtr_probe_interval;
-#ifdef CONFIV_IPV6_ROUTE_INFO
+#ifdef CONFIG_IPV6_ROUTE_INFO
array[DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN] = cnf->accept_ra_rt_info_max_plen;
#endif
#endif
@@ -3898,7 +3898,7 @@ static struct addrconf_sysctl_table
.proc_handler = &proc_dointvec_jiffies,
.strategy = &sysctl_jiffies,
},
-#ifdef CONFIV_IPV6_ROUTE_INFO
+#ifdef CONFIG_IPV6_ROUTE_INFO
{
.ctl_name = NET_IPV6_ACCEPT_RA_RT_INFO_MAX_PLEN,
.procname = "accept_ra_rt_info_max_plen",
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 6a9f616..39bb658 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1413,6 +1413,13 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
return;
}
+ if (!ipv6_addr_equal(&skb->nh.ipv6h->daddr, target) &&
+ !(ipv6_addr_type(target) & IPV6_ADDR_LINKLOCAL)) {
+ ND_PRINTK2(KERN_WARNING
+ "ICMPv6 Redirect: target address is not link-local.\n");
+ return;
+ }
+
ndisc_flow_init(&fl, NDISC_REDIRECT, &saddr_buf, &skb->nh.ipv6h->saddr,
dev->ifindex);
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