Re: [RFC PATCH v2 20/27] x86/cet/shstk: ELF header parsing of CET

[Florian Weimer]

On 07/11/2018 12:26 AM, Yu-cheng Yu wrote:
> +	/*
> +	 * PT_NOTE segment is small.  Read at most
> +	 * PAGE_SIZE.
> +	 */
> +	if (note_size > PAGE_SIZE)
> +		note_size = PAGE_SIZE;

That's not really true.  There are some huge PT_NOTE segments out there.

Why can't you check the notes after the executable has been mapped?

Thanks,
Florian