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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1557151

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1557151

Title:
  ZFS: send fails to transmit some holes [corruption]

Status in linux package in Ubuntu:
  Incomplete
Status in zfs-linux package in Ubuntu:
  In Progress

Bug description:
  https://github.com/zfsonlinux/zfs/commit/c352ec27d5c5ecea8f6af066258dfd106085eaac

  "In certain circumstances, "zfs send -i" (incremental send) can produce
  a stream which will result in incorrect sparse file contents on the
  target.

  The problem manifests as regions of the received file that should be
  sparse (and read a zero-filled) actually contain data from a file that
  was deleted (and which happened to share this file's object ID)."

  This bug causes data corruption, and has privacy/security
  implications. I think we need to get this fix into Xenial ASAP.

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