[Bug 2044657] Re: zfs block cloning file system corruption

[Cam Cope]

Apparently the bug was not in block cloning, it was just exacerbated by
it. The issue affects older versions of ZFS as well, including 2.1.x.
That is why the upstream OpenZFS project has backported the patch to
2.1.x (Chad linked the PR above). Thus, linux-hwe-6.2 is affected.

** Also affects: linux-hwe-6.2 (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2044657

Title:
  zfs block cloning file system corruption

Status in linux-hwe-6.2 package in Ubuntu:
  New
Status in linux-hwe-6.5 package in Ubuntu:
  New
Status in zfs-linux package in Ubuntu:
  Confirmed

Bug description:
  OpenZFS 2.2 reportedly has a bug where block cloning might lead to
  file system corruption and data loss. This was fixed in OpenZFS 2.2.1.

  Original bug report: https://github.com/openzfs/zfs/issues/15526

  and 2.2.1 release notes:
  https://github.com/openzfs/zfs/releases/tag/zfs-2.2.1

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