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SubjectRe: perf_fuzzer compiled for x32 causes reboot
On Tue, 25 Feb 2014 06:34:55 -0800
"H. Peter Anvin" <hpa@zytor.com> wrote:

> #2 is what I really don't understand.
>
> I worry something else is going on there

Yeah, me too.

-- Steve

>
> >
> >While the missing cr2 issue made debugging frustrating, I find the
> >other
> >aspects of the bug more serious:
> >
> > 1. Programs that are doing valid memory accesses can segfault
> >and worse
> >2. This bug can cause an instant-reboot of the system (I assume
> >somehow
> > with the right combination of memory accesses it causes a
> > triple-fault?)
> >
> >#2 is why I spent all of this time tracking this down, I couldn't leave
> >a
> >machine fuzzing overnight without the machine rebooting.
> >
> >Vince
>



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