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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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