Alternative libio vtable hardening approach

[Pedro Alves]

On 06/03/2016 10:34 AM, Pedro Alves wrote:
> and then check whether the vtable pointer is within that section,
> with __start_vtables, __end_vtables:

BTW, s/__end_vtables/__stop_vtables/.

I misremembered the magic section end symbol.

Thanks,
Pedro Alves