Hi, Thanks for your patch. Please subscribe the kernel@openeuler.org and kernel-discuss@openeuler.org mailing list before sending patches, or your patches would be blocked. Please resend this patch, and specific the right branch. Welcome to start a topic at openEuler kernel sig meeting via seeding mail to kernel-discuss@openeuler.org。 --- 可以通过openEuler kernel 小助手，参加openEuler kernel SIG 微信群。 https://openeuler.gitee.io/kernel-portal/img/wechat/openEuler_kernel_helper_... 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; }