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[Launchpad Bug Tracker <1557151@xxxxxxxxxxxxxxxxxx>]

** Branch linked: lp:ubuntu/trusty-proposed/linux-lts-xenial

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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:
  Fix Committed
Status in zfs-linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Committed
Status in zfs-linux source package in Xenial:
  Fix Released

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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