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58fec830fc
The below referenced commit adds a test for integer overflow, but in
doing so prevents the unmap ioctl from ever including the last page of
the address space. Subtract one to compare to the last address of the
unmap to avoid the overflow and wrap-around.
Fixes:
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.. | ||
mdev | ||
pci | ||
platform | ||
Kconfig | ||
Makefile | ||
vfio_iommu_spapr_tce.c | ||
vfio_iommu_type1.c | ||
vfio_spapr_eeh.c | ||
vfio.c | ||
virqfd.c |