I haven't seen this recreate with 4.10.0-35.39.  This can be closed.

On Fri, Sep 1, 2017 at 9:32 AM, Joseph Salisbury <
joseph.salisb...@canonical.com> wrote:

> Would it be possible for you to test the latest upstream kernel? Refer
> to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
> v4.13 kernel[0].
>
> If this bug is fixed in the mainline kernel, please add the following
> tag 'kernel-fixed-upstream'.
>
> If the mainline kernel does not fix this bug, please add the tag:
> 'kernel-bug-exists-upstream'.
>
> Once testing of the upstream kernel is complete, please mark this bug as
> "Confirmed".
>
>
> Thanks in advance.
>
> [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13-rc7
>
> ** Tags added: kernel-da-key
>
> ** Changed in: linux (Ubuntu)
>    Importance: Undecided => High
>
> ** Also affects: linux (Ubuntu Zesty)
>    Importance: Undecided
>        Status: New
>
> ** Changed in: linux (Ubuntu Zesty)
>        Status: New => Confirmed
>
> ** Changed in: linux (Ubuntu Zesty)
>    Importance: Undecided => High
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1714065
>
> Title:
>   ZFS NULL pointer dereference
>
> Status in linux package in Ubuntu:
>   Confirmed
> Status in linux source package in Zesty:
>   Confirmed
>
> Bug description:
>   I am using a file-backed ZFS pool for LXD containers.  I have a few
>   running and I got a few ZFS null pointer dereferences that make the
>   system unusable.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 17.04
>   Package: linux-image-4.10.0-33-generic 4.10.0-33.37
>   ProcVersionSignature: Ubuntu 4.10.0-33.37-generic 4.10.17
>   Uname: Linux 4.10.0-33-generic x86_64
>   NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
>   ApportVersion: 2.20.4-0ubuntu4.5
>   Architecture: amd64
>   Date: Wed Aug 30 13:00:37 2017
>   InstallationDate: Installed on 2017-04-21 (130 days ago)
>   InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Beta amd64 (20170404)
>   MachineType: Micro-Star International Co., Ltd MS-7A34
>   ProcEnviron:
>    TERM=xterm-256color
>    PATH=(custom, no user)
>    LANG=en_US.UTF-8
>    SHELL=/bin/bash
>   ProcFB: 0 amdgpudrmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-33-generic.efi.signed
> root=UUID=1bf886cb-50ea-4487-a660-07d91bbb51fc ro quiet splash
> vt.handoff=7
>   PulseList:
>    Error: command ['pacmd', 'list'] failed with exit code 1: Home
> directory not accessible: Permission denied
>    No PulseAudio daemon running, or not running as session daemon.
>   RelatedPackageVersions:
>    linux-restricted-modules-4.10.0-33-generic N/A
>    linux-backports-modules-4.10.0-33-generic  N/A
>    linux-firmware                             1.164.1
>   RfKill:
>
>   SourcePackage: linux
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 06/22/2017
>   dmi.bios.vendor: American Megatrends Inc.
>   dmi.bios.version: 1.60
>   dmi.board.asset.tag: To be filled by O.E.M.
>   dmi.board.name: B350 TOMAHAWK (MS-7A34)
>   dmi.board.vendor: Micro-Star International Co., Ltd
>   dmi.board.version: 1.0
>   dmi.chassis.asset.tag: To be filled by O.E.M.
>   dmi.chassis.type: 3
>   dmi.chassis.vendor: Micro-Star International Co., Ltd
>   dmi.chassis.version: 1.0
>   dmi.modalias: dmi:bvnAmericanMegatrendsInc.:
> bvr1.60:bd06/22/2017:svnMicro-StarInternationalCo.,Ltd:pnMS-
> 7A34:pvr1.0:rvnMicro-StarInternationalCo.,Ltd:
> rnB350TOMAHAWK(MS-7A34):rvr1.0:cvnMicro-StarInternationalCo.,Ltd:ct3:
> cvr1.0:
>   dmi.product.name: MS-7A34
>   dmi.product.version: 1.0
>   dmi.sys.vendor: Micro-Star International Co., Ltd
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/
> 1714065/+subscriptions
>

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https://bugs.launchpad.net/bugs/1714065

Title:
  ZFS NULL pointer dereference

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