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-rw-r--r--accel-pppd/ipv6/dhcpv6.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/accel-pppd/ipv6/dhcpv6.c b/accel-pppd/ipv6/dhcpv6.c
index 8e994afc..cf09b079 100644
--- a/accel-pppd/ipv6/dhcpv6.c
+++ b/accel-pppd/ipv6/dhcpv6.c
@@ -268,6 +268,9 @@ static void dhcpv6_send_reply(struct dhcpv6_packet *req, struct dhcpv6_pd *pd, i
if (ntohs(opt2->hdr->code) == D6_OPTION_IAADDR) {
ia_addr = (struct dhcpv6_opt_ia_addr *)opt2->hdr;
+ if (IN6_IS_ADDR_UNSPECIFIED(&ia_addr->addr))
+ continue;
+
f1 = 0;
list_for_each_entry(a, &req->ppp->ipv6->addr_list, entry) {
build_addr(a, req->ppp->ipv6->peer_intf_id, &addr);
@@ -333,6 +336,9 @@ static void dhcpv6_send_reply(struct dhcpv6_packet *req, struct dhcpv6_pd *pd, i
if (ntohs(opt2->hdr->code) == D6_OPTION_IAPREFIX) {
ia_prefix = (struct dhcpv6_opt_ia_prefix *)opt2->hdr;
+ if (ia_prefix->prefix_len == 0 || IN6_IS_ADDR_UNSPECIFIED(&ia_prefix->prefix))
+ continue;
+
f1 = 0;
list_for_each_entry(a, &pd->ipv6_dp->prefix_list, entry) {
if (a->prefix_len != ia_prefix->prefix_len)