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On 2021/12/12 18:14, Jiacheng Shi wrote:

From: billsjchw billsjc@126.com

Variables allocated by kvmalloc should not be freed by kfree. Because they may be allocated by vmalloc. So we replace kfree with kvfree here.

Signed-off-by: Jiacheng Shi billsjc@sjtu.edu.cn

drivers/vfio/vfio_iommu_type1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 5daceec48811..6811a85109aa 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -1150,7 +1150,7 @@ static int vfio_iova_dirty_log_clear(u64 __user *bitmap, }

out:

• kfree(bitmap_buffer);

• kvfree(bitmap_buffer); return ret;

}