Add more buffer boundary checks in wasm loader (#2734)

And fix exception not printed in `iwasm --repl` mode and resize the memory
data size to UINT32_MAX if the initial page number is 65536.

product-mini/platforms/windows/main.c

@@ -161,8 +161,11 @@ app_instance_repl(wasm_module_inst_t module_inst)
             break;
         }
         if (app_argc != 0) {
+            const char *exception;
             wasm_application_execute_func(module_inst, app_argv[0],
                                           app_argc - 1, app_argv + 1);
+            if ((exception = wasm_runtime_get_exception(module_inst)))
+                printf("%s\n", exception);
         }
         free(app_argv);
     }