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zebra: The dplane_fpm_nl return path leaks memory

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The route entry created when using a ctx to pass route
entry data backup to the master pthread in zebra is
being leaked.  Prevent this from happening.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
(cherry picked from commit 7f9c5c7fa2)
This commit is contained in:
Donald Sharp 2023-12-11 13:41:36 -05:00 committed by Mergify
parent a32620de4e
commit ff23fdfb4b
3 changed files with 10 additions and 0 deletions
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2
zebra/rib.h
View File

@ -345,6 +345,8 @@ extern void _route_entry_dump(const char *func, union prefixconstptr pp,
union prefixconstptr src_pp, union prefixconstptr src_pp,
const struct route_entry *re); const struct route_entry *re);
void zebra_rib_route_entry_free(struct route_entry *re);
struct route_entry * struct route_entry *
zebra_rib_route_entry_new(vrf_id_t vrf_id, int type, uint8_t instance, zebra_rib_route_entry_new(vrf_id_t vrf_id, int type, uint8_t instance,
uint32_t flags, uint32_t nhe_id, uint32_t table_id, uint32_t flags, uint32_t nhe_id, uint32_t table_id,

2
zebra/rt_netlink.c
View File

@ -1025,6 +1025,8 @@ int netlink_route_change_read_unicast_internal(struct nlmsghdr *h,
re, ng, startup, ctx); re, ng, startup, ctx);
if (ng) if (ng)
nexthop_group_delete(&ng); nexthop_group_delete(&ng);
if (ctx)
zebra_rib_route_entry_free(re);
} else { } else {
/* /*
* I really don't see how this is possible * I really don't see how this is possible

6
zebra/zebra_rib.c
View File

@ -4267,6 +4267,12 @@ struct route_entry *zebra_rib_route_entry_new(vrf_id_t vrf_id, int type,
return re; return re;
} }
void zebra_rib_route_entry_free(struct route_entry *re)
{
XFREE(MTYPE_RE, re);
}
/* /*
* Internal route-add implementation; there are a couple of different public * Internal route-add implementation; there are a couple of different public
* signatures. Callers in this path are responsible for the memory they * signatures. Callers in this path are responsible for the memory they