On Fri, Sep 10, 2021 at 12:08:17PM +0200, David Hildenbrand wrote:
> On 08.09.21 04:57, Andrew Morton wrote:
> > +
> > + if (vma->vm_flags & (VM_WRITE | VM_EXEC)) {
> > + ret = -EPERM;
> > + goto out;
> > + }
> > +
> > + vma->vm_flags &= ~(VM_MAYWRITE | VM_MAYEXEC);
> > + vma->vm_flags |= VM_MIXEDMAP;
> > + vma->vm_ops = &kcore_mmap_ops;
> > +
>
> This breaks all my efforts to sanitize /proc/kore access for virtio-mem.
>
> Is there still a way to nack this?
Already done:
https://lore.kernel.org/mm-commits/CAHk-=wgQ+8kmczLLKCY7yDsGHQBRcZESKd1dNaKbrjUgbWeb3A@xxxxxxxxxxxxxx
and down the same thread.
> Sorry I didn't spot this any sooner.
>
> --
> Thanks,
>
> David / dhildenb
>
--
Sincerely yours,
Mike.
