On Sat, Jan 5, 2019 at 11:46 AM Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> Can we please just limit it to vma's that are either anonymous, or map
> a file that the user actually owns?

.. or slightly simpler: a file that the user opened for writing.

IOW, some (TOTALLY UNTESTED!) patch like this?

               Linus