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

[Chad Wagner]

Apparently 2.2.1 did not fix the issue, there is an on-going PR
https://github.com/openzfs/zfs/pull/15571 that has the latest fix for
the data corruption.  As a side note it also affects zfs 2.1 series
(block cloning made it more evident, but apparently possible to happen
on earlier zfs releases), would we see a linux-hwe-6.2 bump for this
with a 2.1 patch?


Below is the 2.1.x series PR:
https://github.com/openzfs/zfs/pull/15578

** 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 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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