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Merge pull request #12540 from manojvn/489527

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ospf6d: Fixing memory leak in ospf6_summary_add_aggr_route_and_blackh…
This commit is contained in:
Donald Sharp 2022-12-21 08:20:31 -05:00 committed by GitHub
commit aaa18e0e6f
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 29 additions and 12 deletions
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31
ospf6d/ospf6_asbr.c
View File

@ -1585,7 +1585,11 @@ ospf6_asbr_summary_remove_lsa_and_route(struct ospf6 *ospf6,
zlog_debug(
"%s: Remove the blackhole route",
__func__);
ospf6_zebra_route_update_remove(aggr->route, ospf6);
if (aggr->route->route_option)
XFREE(MTYPE_OSPF6_EXTERNAL_INFO,
aggr->route->route_option);
ospf6_route_delete(aggr->route);
aggr->route = NULL;
}
@ -2736,8 +2740,13 @@ ospf6_summary_add_aggr_route_and_blackhole(struct ospf6 *ospf6,
struct ospf6_external_aggr_rt *aggr)
{
struct ospf6_route *rt_aggr;
struct ospf6_route *old_rt = NULL;
struct ospf6_external_info *info;
/* Check if a route is already present. */
if (aggr->route)
old_rt = aggr->route;
/* Create summary route and save it. */
rt_aggr = ospf6_route_create(ospf6);
rt_aggr->type = OSPF6_DEST_TYPE_NETWORK;
@ -2756,6 +2765,16 @@ ospf6_summary_add_aggr_route_and_blackhole(struct ospf6 *ospf6,
/* Add next-hop to Null interface. */
ospf6_add_route_nexthop_blackhole(rt_aggr);
/* Free the old route, if any. */
if (old_rt) {
ospf6_zebra_route_update_remove(old_rt, ospf6);
if (old_rt->route_option)
XFREE(MTYPE_OSPF6_EXTERNAL_INFO, old_rt->route_option);
ospf6_route_delete(old_rt);
}
ospf6_zebra_route_update_add(rt_aggr, ospf6);
}
@ -3024,8 +3043,8 @@ static void ospf6_aggr_handle_external_info(void *data)
(void)ospf6_originate_type5_type7_lsas(rt, ospf6);
}
static void
ospf6_asbr_summary_config_delete(struct ospf6 *ospf6, struct route_node *rn)
void ospf6_asbr_summary_config_delete(struct ospf6 *ospf6,
struct route_node *rn)
{
struct ospf6_external_aggr_rt *aggr = rn->info;
@ -3167,14 +3186,6 @@ void ospf6_external_aggregator_free(struct ospf6_external_aggr_rt *aggr)
hash_clean(aggr->match_extnl_hash,
ospf6_aggr_unlink_external_info);
if (aggr->route) {
if (aggr->route->route_option)
XFREE(MTYPE_OSPF6_EXTERNAL_INFO,
aggr->route->route_option);
ospf6_route_delete(aggr->route);
}
if (IS_OSPF6_DEBUG_AGGR)
zlog_debug("%s: Release the aggregator Address(%pFX)",
__func__,

2
ospf6d/ospf6_asbr.h
View File

@ -182,4 +182,6 @@ void ospf6_external_aggregator_free(struct ospf6_external_aggr_rt *aggr);
void ospf6_unset_all_aggr_flag(struct ospf6 *ospf6);
void ospf6_fill_aggr_route_details(struct ospf6 *ospf6,
struct ospf6_external_aggr_rt *aggr);
void ospf6_asbr_summary_config_delete(struct ospf6 *ospf6,
struct route_node *rn);
#endif /* OSPF6_ASBR_H */

8
ospf6d/ospf6_top.c
View File

@ -498,6 +498,7 @@ void ospf6_delete(struct ospf6 *o)
struct route_node *rn = NULL;
struct ospf6_area *oa;
struct vrf *vrf;
struct ospf6_external_aggr_rt *aggr;
QOBJ_UNREG(o);
@ -536,8 +537,11 @@ void ospf6_delete(struct ospf6 *o)
}
for (rn = route_top(o->rt_aggr_tbl); rn; rn = route_next(rn))
if (rn->info)
ospf6_external_aggregator_free(rn->info);
if (rn->info) {
aggr = rn->info;
ospf6_asbr_summary_config_delete(o, rn);
ospf6_external_aggregator_free(aggr);
}
route_table_finish(o->rt_aggr_tbl);
XFREE(MTYPE_OSPF6_TOP, o->name);