在 2023/3/23 7:03, Andrew Morton 写道:
On Wed, 22 Mar 2023 11:11:09 +0000 Shiyang Ruan <ruansy.fnst@xxxxxxxxxxx> wrote:unshare copies data from source to destination. But if the source is HOLE or UNWRITTEN extents, we should zero the destination, otherwise the result will be unexpectable.Please provide much more detail on the user-visible effects of the bug. For example, are we leaking kernel memory contents to userspace?
This fixes fail of generic/649. -- Thanks, Ruan.
Thanks.
