Re: [PATCH] staging: greybus: fix stack size warning with UBSAN

[Dan Carpenter]

On Sun, Jan 03, 2021 at 11:35:32PM +0100, Arnd Bergmann wrote:
> @@ -1050,78 +1088,28 @@ static int gbaudio_tplg_create_widget(struct 
> gbaudio_module_info *module,
>       strlcpy(temp_name, w->name, NAME_SIZE);
>       snprintf(w->name, NAME_SIZE, "GB %d %s", module->dev_id, temp_name);
>  
> +     if (w->type > ARRAY_SIZE(gbaudio_widgets)) {
                    ^^

Off by one.  >= here.


> +             ret = -EINVAL;
> +             goto error;
> +     }
> +     *dw = gbaudio_widgets[w->type];
> +     dw->name = w->name;

regards,
dan carpenter