Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'vfio-v4.18-rc6' of git://github.com/awilliam/linux-vfio
Pull VFIO fix from Alex Williamson:
"Harden potential Spectre v1 issue (Gustavo A. R. Silva)"
* tag 'vfio-v4.18-rc6' of git://github.com/awilliam/linux-vfio:
vfio/pci: Fix potential Spectre v1
+4
+4
drivers/vfio/pci/vfio_pci.c
+4
drivers/vfio/pci/vfio_pci.c
···
28
28
#include <linux/uaccess.h>
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29
#include <linux/vfio.h>
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30
#include <linux/vgaarb.h>
31
+
#include <linux/nospec.h>
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32
32
33
#include "vfio_pci_private.h"
33
34
···
728
727
if (info.index >=
729
728
VFIO_PCI_NUM_REGIONS + vdev->num_regions)
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return -EINVAL;
730
+
info.index = array_index_nospec(info.index,
731
+
VFIO_PCI_NUM_REGIONS +
732
+
vdev->num_regions);
731
733
732
734
i = info.index - VFIO_PCI_NUM_REGIONS;
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735