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-rw-r--r--isisd/isis_tlvs.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/isisd/isis_tlvs.c b/isisd/isis_tlvs.c
index 3cb2ce02ca..af419961d5 100644
--- a/isisd/isis_tlvs.c
+++ b/isisd/isis_tlvs.c
@@ -4414,11 +4414,19 @@ static void tlvs_area_addresses_to_adj(struct isis_tlvs *tlvs,
bool *changed)
{
if (adj->area_address_count != tlvs->area_addresses.count) {
+ uint32_t oc = adj->area_address_count;
+
*changed = true;
adj->area_address_count = tlvs->area_addresses.count;
adj->area_addresses = XREALLOC(
MTYPE_ISIS_ADJACENCY_INFO, adj->area_addresses,
adj->area_address_count * sizeof(*adj->area_addresses));
+
+ for (; oc < adj->area_address_count; oc++) {
+ adj->area_addresses[oc].addr_len = 0;
+ memset(&adj->area_addresses[oc].area_addr, 0,
+ sizeof(adj->area_addresses[oc].area_addr));
+ }
}
struct isis_area_address *addr = NULL;
@@ -4496,11 +4504,18 @@ static void tlvs_ipv4_addresses_to_adj(struct isis_tlvs *tlvs,
hook_call(isis_adj_ip_disabled_hook, adj, AF_INET);
if (adj->ipv4_address_count != tlvs->ipv4_address.count) {
+ uint32_t oc = adj->ipv4_address_count;
+
*changed = true;
adj->ipv4_address_count = tlvs->ipv4_address.count;
adj->ipv4_addresses = XREALLOC(
MTYPE_ISIS_ADJACENCY_INFO, adj->ipv4_addresses,
adj->ipv4_address_count * sizeof(*adj->ipv4_addresses));
+
+ for (; oc < adj->ipv4_address_count; oc++) {
+ memset(&adj->ipv4_addresses[oc], 0,
+ sizeof(adj->ipv4_addresses[oc]));
+ }
}
struct isis_ipv4_address *addr = NULL;
@@ -4535,11 +4550,18 @@ static void tlvs_ipv6_addresses_to_adj(struct isis_tlvs *tlvs,
hook_call(isis_adj_ip_disabled_hook, adj, AF_INET6);
if (adj->ipv6_address_count != tlvs->ipv6_address.count) {
+ uint32_t oc = adj->ipv6_address_count;
+
*changed = true;
adj->ipv6_address_count = tlvs->ipv6_address.count;
adj->ipv6_addresses = XREALLOC(
MTYPE_ISIS_ADJACENCY_INFO, adj->ipv6_addresses,
adj->ipv6_address_count * sizeof(*adj->ipv6_addresses));
+
+ for (; oc < adj->ipv6_address_count; oc++) {
+ memset(&adj->ipv6_addresses[oc], 0,
+ sizeof(adj->ipv6_addresses[oc]));
+ }
}
struct isis_ipv6_address *addr = NULL;