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
This was a long pending bug, now revealed by the assert in phys_page_find that stumbled over the large page index returned by cpu_get_phys_page_debug for NX-marked pages: We need to mask out NX and all user-definable bits 52..62 from PDEs and the final PTE to avoid corrupting physical addresses. Reviewed-by: Avi Kivity <avi@redhat.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>