[Fix] Plug memory leak in adding radix trees

diff --git a/src/lua/lua_map.c b/src/lua/lua_map.c
index 1ed4aff7d02fdc458e96fefa9c31b887e58fc704..581c4b85b8c7ae2634daca571b9bdfb2e8e42da1 100644 (file)
--- a/src/lua/lua_map.c
+++ b/src/lua/lua_map.c
@@ -171,12 +171,11 @@ lua_config_radix_from_config (lua_State *L)
                obj = rspamd_config_get_module_opt (cfg, mname, optname);
                if (obj) {
                        map = rspamd_mempool_alloc0 (cfg->cfg_pool, sizeof (*map));
-                       map->data.radix = radix_create_compressed ();
                        map->type = RSPAMD_LUA_MAP_RADIX;
-                       map->data.radix = radix_create_compressed ();
                        map->flags |= RSPAMD_LUA_MAP_FLAG_EMBEDDED;
 
                        if (ucl_object_type (obj) == UCL_STRING) {
+                               map->data.radix = radix_create_compressed ();
                                radix_add_generic_iplist (ucl_obj_tostring (obj), &map->data.radix,
                                                TRUE);
                        }
@@ -194,6 +193,9 @@ lua_config_radix_from_config (lua_State *L)
                                }
                        }
 
+                       rspamd_mempool_add_destructor (cfg->cfg_pool,
+                                       (rspamd_mempool_destruct_t)radix_destroy_compressed,
+                                       map->data.radix);
                        pmap = lua_newuserdata (L, sizeof (void *));
                        *pmap = map;
                        rspamd_lua_setclass (L, "rspamd{map}", -1);