On Sat, May 30, 2020 at 12:14 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> > And none of that code verifies that the end result is a user address.
>
> kvm_is_error_hva() is
> return addr >= PAGE_OFFSET;
Ahh, that's what I missed. It won't work on other architectures, but
within x86 it's fine.
Linus
