Messages in this thread | | | Date | Thu, 23 Apr 2015 11:56:31 +0200 | From | Borislav Petkov <> | Subject | Re: [tip:x86/vdso] x86/vdso32/syscall.S: Do not load __USER32_DS to %ss |
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On Thu, Apr 23, 2015 at 11:20:56AM +0200, Denys Vlasenko wrote: > * what if %ss before syscall was NOT the usual value of 0x2b, but some > other segment, not the typical 0-base, 0xffffffff limit 32-bit expand-up one? > Not restoring proper %ss would not go well. > [but then, Intel CPUs work, and old code worked....]
Have we run the exact same reproducer on Intel already?
Brian, can you run the same thing on an Intel box, if you haven't done so already?
Thanks.
-- Regards/Gruss, Boris.
ECO tip #101: Trim your mails when you reply. --
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