luajit: cleanup states before return to pool

src/output-lua.c

@@ -647,8 +647,6 @@ static int LuaScriptInit(const char *filename, LogLuaScriptOptions *options) {
         goto error;
     }
 
-    /* pop the table */
-    lua_pop(luastate, 1);
     LuaReturnState(luastate);
     return 0;
 error:

src/util-lua.c

@@ -70,6 +70,10 @@ lua_State *LuaGetState(void)
 void LuaReturnState(lua_State *s)
 {
     if (s != NULL) {
+        /* clear the stack */
+        while (lua_gettop(s) > 0) {
+            lua_pop(s, 1);
+        }
 #ifdef HAVE_LUAJIT
         LuajitReturnState(s);
 #else