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

[Dimitri John Ledkov]

this bug report will now be limited to things that are presumed to be
fixed by 2.2.2 or 2.1.14, or the dirty dnode patch backport alone.

** CVE removed: https://cve.mitre.org/cgi-
bin/cvename.cgi?name=2023-49298

** Description changed:

- 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.
+ OpenZFS linux kernel module currently has multiple potential data
+ corruption issues identified to have been present in at least 0.8 and
+ up.
  
- 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
+ This bug report will track upgrades to releases 2.2.2, or 2.1.14, or
+ backport/cherry-pick of dirty dnode patch.

** Summary changed:

- zfs block cloning file system corruption
+ Multiple data corruption issues in zfs

** Description changed:

  OpenZFS linux kernel module currently has multiple potential data
- corruption issues identified to have been present in at least 0.8 and
- up.
+ corruption issues identified to have been present since at least 0.6
+ (?!).
  
- This bug report will track upgrades to releases 2.2.2, or 2.1.14, or
+ This bug report will track upgrades to releases 2.2.2, OR 2.1.14, OR
  backport/cherry-pick of dirty dnode patch.

** Changed in: zfs-linux (Ubuntu Noble)
       Status: Confirmed => Fix Committed

** Patch removed: "0001-Fix-block-cloning-corruption-bug.patch"
   https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/2044657/+attachment/5723679/+files/0001-Fix-block-cloning-corruption-bug.patch

** Patch removed: "Patch for OpenZFS 2.1"
   https://github.com/openzfs/zfs/commit/e49b10f57c770a03217e6537252c90550aadb538.patch

** Patch removed: "Patch from OpenZFS master branch"
   https://github.com/openzfs/zfs/commit/30d581121bb122c90959658e7b28b1672d342897.patch

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

Title:
  Multiple data corruption issues in zfs

Status in zfs-linux package in Ubuntu:
  Fix Committed
Status in zfs-linux source package in Xenial:
  Confirmed
Status in zfs-linux source package in Bionic:
  Confirmed
Status in zfs-linux source package in Focal:
  Confirmed
Status in zfs-linux source package in Jammy:
  Confirmed
Status in zfs-linux source package in Lunar:
  Confirmed
Status in zfs-linux source package in Mantic:
  Confirmed
Status in zfs-linux source package in Noble:
  Fix Committed

Bug description:
  OpenZFS linux kernel module currently has multiple potential data
  corruption issues identified to have been present since at least 0.6
  (?!).

  This bug report will track upgrades to releases 2.2.2, OR 2.1.14, OR
  backport/cherry-pick of dirty dnode patch.

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