Commit 0ea971f8 authored Apr 08, 2020 by Yan Zhao Committed by Alex Williamson Apr 20, 2020

vfio: avoid possible overflow in vfio_iommu_type1_pin_pages



add parentheses to avoid possible vaddr overflow.

Fixes: a54eb550 ("vfio iommu type1: Add support for mediated devices")
Signed-off-by: Yan Zhao <yan.y.zhao@intel.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

parent 205323b8

drivers/vfio/vfio_iommu_type1.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -555,7 +555,7 @@ static int vfio_iommu_type1_pin_pages(void *iommu_data,
		continue;
		}

		remote_vaddr = dma->vaddr + iova - dma->iova;
		remote_vaddr = dma->vaddr + (iova - dma->iova);
		ret = vfio_pin_page_external(dma, remote_vaddr, &phys_pfn[i],
		do_accounting);
		if (ret)

Admin message