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-rw-r--r--net/ipv6/route.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 4f6b067c8753..7ea85370c11c 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2896,6 +2896,11 @@ static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh,
if (tb[RTA_MULTIPATH]) {
cfg->fc_mp = nla_data(tb[RTA_MULTIPATH]);
cfg->fc_mp_len = nla_len(tb[RTA_MULTIPATH]);
+
+ err = lwtunnel_valid_encap_type_attr(cfg->fc_mp,
+ cfg->fc_mp_len);
+ if (err < 0)
+ goto errout;
}
if (tb[RTA_PREF]) {
@@ -2909,9 +2914,14 @@ static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh,
if (tb[RTA_ENCAP])
cfg->fc_encap = tb[RTA_ENCAP];
- if (tb[RTA_ENCAP_TYPE])
+ if (tb[RTA_ENCAP_TYPE]) {
cfg->fc_encap_type = nla_get_u16(tb[RTA_ENCAP_TYPE]);
+ err = lwtunnel_valid_encap_type(cfg->fc_encap_type);
+ if (err < 0)
+ goto errout;
+ }
+
if (tb[RTA_EXPIRES]) {
unsigned long timeout = addrconf_timeout_fixup(nla_get_u32(tb[RTA_EXPIRES]), HZ);