Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: zfs-linux (Ubuntu)
       Status: New => Confirmed

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  'zfs recv' hangs when receiving from a FreeBSD zfs

Status in zfs-linux package in Ubuntu:

Bug description:
  When creating a pool snapshot on a freenas/freebsd like this:

  root@freenas:~ # uname -a
  FreeBSD freenas.local 11.0-STABLE FreeBSD 11.0-STABLE #0 
r321665+25fe8ba8d06(freenas/11.0-stable): Mon Sep 25 06:24:11 UTC 2017     
  freenas# zpool create tank gptid/62a26be7-cd4a-11e7-927b-0800278dcda9
  freenas# dd if=/dev/zero of=/tank/ur.bin bs=64K count=1
  freenas# zfs snap tank@example

  And trying to `zfs send | zfs recv` it to an ubuntu zfs like this:
  space@ubuntu:~$ apt-cache policy zfsutils-linux
    Version table:
   *** 500
          500 artful/main amd64 Packages
          100 /var/lib/dpkg/status
  space@ubuntu:~$ lsb_release -rd
  Description:  Ubuntu 17.10
  Release:      17.10

  root@ubuntu:~$ ssh root@freenas zfs send tank@example > freenas11.zfssend
  root@ubuntu:~# cat ./freenas11.zfssend | zfs recv tank/something

  The `zfs recv` process burns 100% CPU and hangs forever. I have
  attached an example freenas11.zfssend file, though it's easily

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: zfsutils-linux
  ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
  Uname: Linux 4.13.0-16-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
  ApportVersion: 2.20.7-0ubuntu3
  Architecture: amd64
  Date: Sun Nov 19 22:10:15 2017
  ExecutablePath: /sbin/zfs
  InstallationDate: Installed on 2017-11-17 (2 days ago)
  InstallationMedia: Ubuntu-Server 17.10 "Artful Aardvark" - Release amd64 
   PATH=(custom, no user)
  SourcePackage: zfs-linux
  UpgradeStatus: No upgrade log present (probably fresh install)

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