From: Jiacheng Shi <billsjc@sjtu.edu.cn> virt inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I6FHYK CVE: NA Reference: https://github.com/torvalds/linux/commit/2bed2ced40c97b8540ff38df0149e8ecb2b... -------------------------------- [ Upstream commit 2bed2ced40c97b8540ff38df0149e8ecb2bf4c65 ] Variables allocated by kvzalloc should not be freed by kfree. Because they may be allocated by vmalloc. So we replace kfree with kvfree here. Fixes: d6a4c185660c ("vfio iommu: Implementation of ioctl for dirty pages tracking") Signed-off-by: Jiacheng Shi <billsjc@sjtu.edu.cn> Link: https://lore.kernel.org/r/20211212091600.2560-1-billsjc@sjtu.edu.cn Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com> Reviewed-by: Keqian Zhu <zhukeqian1@huawei.com> Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com> --- 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 b39515935ea4..a6fdab250ea0 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -241,7 +241,7 @@ static int vfio_dma_bitmap_alloc(struct vfio_dma *dma, size_t pgsize) static void vfio_dma_bitmap_free(struct vfio_dma *dma) { - kfree(dma->bitmap); + kvfree(dma->bitmap); dma->bitmap = NULL; } -- 2.25.1