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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 18:21:35 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 18:21:35 -0700 |
| commit | 2f093e2aa466d799c0952bfd1c6c68ff5d80fc17 (patch) | |
| tree | e3d511aca536b7123d256b98a0ef8e74fc219498 /drivers/vfio/pci/vfio_pci.c | |
| parent | a7761027656dc192b59617a6eb961e38097419ce (diff) | |
| parent | 41ef2d5678d83af030125550329b6ae8b74618fa (diff) | |
Merge 3.9-rc7 into char-misc-next
We want the fixes in there.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/vfio/pci/vfio_pci.c')
| -rw-r--r-- | drivers/vfio/pci/vfio_pci.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 8189cb6a86a..7abc5c81af2 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -346,6 +346,7 @@ static long vfio_pci_ioctl(void *device_data, if (!(hdr.flags & VFIO_IRQ_SET_DATA_NONE)) { size_t size; + int max = vfio_pci_get_irq_count(vdev, hdr.index); if (hdr.flags & VFIO_IRQ_SET_DATA_BOOL) size = sizeof(uint8_t); @@ -355,7 +356,7 @@ static long vfio_pci_ioctl(void *device_data, return -EINVAL; if (hdr.argsz - minsz < hdr.count * size || - hdr.count > vfio_pci_get_irq_count(vdev, hdr.index)) + hdr.start >= max || hdr.start + hdr.count > max) return -EINVAL; data = memdup_user((void __user *)(arg + minsz), |