On Sat, Oct 03, 2020 at 04:04:22PM -0700, Andy Lutomirski wrote: > On Fri, Oct 2, 2020 at 5:15 PM Andy Lutomirski <[email protected]> wrote: > > But it's also more subtly wrong -- this corrupts all the segment attributes > > in the case where a segment points to the GDT and the GDT attributes are > > non-default.
Part of me wants to ask if it's even possible to get into such a scenario, but a much larger part of me doesn't want to think about segmentation any more :-) > > I would also be okay with making the KVM code match the context switch > > code, but this may be distinctly nontrivial. Ya. > If you're okay waiting for a couple days, I'll just do this. I have > it 2/3-done already, except I'm running into the utter catastrophe > that is 32-bit stackprotector, so I'm going to fix that first. (Or > delete it if I get toosick of it.) By all means. I dragged my feet for several months, I can certainly do nothing for a few more days.
