Re: [PATCH v2] x86/microcode/AMD: check microcode file sanity before loading it

[Borislav Petkov]

On Sun, Mar 11, 2018 at 04:27:03PM +0100, Maciej S. Szmigiero wrote:
> +/* 4k */
> +#define UCODE_EQUIV_CPU_TABLE_MAX_SIZE (256 * sizeof(struct equiv_cpu_entry))

And you came up with that max size how exactly?

> +/* If a patch is larger than this the microcode file is surely corrupted */
> +#define PATCH_MAX_SIZE_ABSOLUTE (16 * 1024 * 1024)a

Same question here.

-- 
Regards/Gruss,
    Boris.

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