This bug was fixed in the package zfs-linux - 2.2.2-0ubuntu9.2

---------------
zfs-linux (2.2.2-0ubuntu9.2) noble; urgency=medium

  [ John Cabaj ]
  * debian/patches/0001-Improve-performance-for-zpool-trim-on-linux.patch
  * 
debian/patches/0002-vdev_disk-ensure-trim-errors-are-returned-immediatel.patch
    - task txg_sync:696 blocked (LP: #2081678)
  * debian/patches/0003-Autotrim-High-Load-Average-Fix.patch
    - Activating autotrim results in high load average due to
      uninterruptible threads (LP: #2057693)
  * debian/patches/0004-Linux-Fix-zfs_prune-panics.patch
    - crash in openzfs - 2.2.2 not supported on 6.8 (LP: #2077926)

  [ Heitor Alves de Siqueira ]
  * Fix "field-spanning write" errors on zpool import (LP: #2082060):
    - d/p/4701-zfs_log-add-flex-array-fields-to-log-record-structs.patch
    - d/p/4702-lua-add-flex-array-field-to-TString-type.patch

 -- John Cabaj <john.ca...@canonical.com>  Mon, 09 Dec 2024 14:00:32
-0600

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

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https://bugs.launchpad.net/bugs/2077926

Title:
  crash in openzfs - 2.2.2 not supported on 6.8

Status in zfs-linux package in Ubuntu:
  Fix Released
Status in zfs-linux source package in Noble:
  Fix Released
Status in zfs-linux source package in Oracular:
  Fix Released
Status in zfs-linux source package in Plucky:
  Fix Released

Bug description:
  SRU Justification

  [Impact]

  * Seeing crash due to use-after-free. Logs included below SRU
  justification

  [Fix]

  * Backport 38c0324c0fb6: "Linux: Fix zfs_prune panics"

  [Test Plan]

  * Compile tested
  * Run through autopkgtest regression tests

  [Regression potential]

  * Changes isolated, minimal regression risk. Changes already in
  upstream ZFS

  Crash report on openzfs: https://github.com/openzfs/zfs/issues/16482

  > You should probably report this to Ubuntu or try it on 2.2.5
  vanilla, 2.2.2 doesn't claim to work on 6.8

  Distribution Version  24.04
  Kernel Version        6.8.0-41-generic
  Architecture  intel x86-64
  OpenZFS Version       zfs-2.2.2-0ubuntu9, zfs-kmod-2.2.2-0ubuntu9

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: zfsutils-linux 2.2.2-0ubuntu9
  ProcVersionSignature: Ubuntu 6.8.0-41.41-generic 6.8.12
  Uname: Linux 6.8.0-41-generic x86_64
  NonfreeKernelModules: zfs
  ApportVersion: 2.28.1-0ubuntu3.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  Date: Mon Aug 26 21:30:11 2024
  InstallationDate: Installed on 2024-08-16 (11 days ago)
  InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: zfs-linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  modified.conffile..etc.sudoers.d.zfs: [inaccessible: [Errno 13] Permission 
denied: '/etc/sudoers.d/zfs']

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