diff mbox series

[v7,3/4] intel_iommu: fix type of the mask field in VTDIOTLBPageInvInfo

Message ID 20240709142557.317271-4-clement.mathieu--drif@eviden.com (mailing list archive)
State New, archived
Headers show
Series VT-d minor fixes | expand

Commit Message

CLEMENT MATHIEU--DRIF July 9, 2024, 2:26 p.m. UTC 
From: Clément Mathieu--Drif <clement.mathieu--drif@eviden.com>

Per the below code, it can overflow as am can be larger than 8 according
to the CH 6.5.2.3 IOTLB Invalidate. Use uint64_t to avoid overflows.

Fixes: b5a280c00840 ("intel-iommu: add IOTLB using hash table")
Signed-off-by: Clément Mathieu--Drif <clement.mathieu--drif@eviden.com>
Reviewed-by: Minwoo Im <minwoo.im@samsung.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
---
 hw/i386/intel_iommu_internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h
index faea23e8d6..5f32c36943 100644
--- a/hw/i386/intel_iommu_internal.h
+++ b/hw/i386/intel_iommu_internal.h
@@ -436,7 +436,7 @@  struct VTDIOTLBPageInvInfo {
     uint16_t domain_id;
     uint32_t pasid;
     uint64_t addr;
-    uint8_t mask;
+    uint64_t mask;
 };
 typedef struct VTDIOTLBPageInvInfo VTDIOTLBPageInvInfo;