On Tue, Mar 02, 2021 at 07:02:01PM +0100, Daniel Kiper wrote:
> @@ -1121,6 +1159,42 @@ grub_xasprintf (const char *fmt, ...)
>return ret;
> }
>
> +grub_err_t
> +grub_printf_fmt_check (const char *fmt, const char *fmt_expected)
> +{
> + struct printf_args args_expected, args_fmt;
> +
From: Thomas Frauendorfer | Miray Software
The grub_printf_fmt_check() function parses the arguments of an untrusted
printf() format and an expected printf() format and then compares the
arguments counts and arguments types. The arguments count in the untrusted
format string must be less or
