This bug was fixed in the package linux - 4.4.0-14.30
---------------
linux (4.4.0-14.30) xenial; urgency=low
[ Tim Gardner ]
* Release Tracking Bug
- LP: #1557508
* Current 4.4 kernel won't boot on powerpc (LP: #1557130)
- powerpc: Fix dedotify for binutils >= 2.26
* ZFS: send fails to transmit some holes [corruption] (LP: #1557151)
- Illumos 6370 - ZFS send fails to transmit some holes
* Request to cherry-pick uvcvideo patch for Xenial kernel support of RealSense
camera (LP: #1557138)
- UVC: Add support for ds4 depth camera
* use after free of task_struct->numa_faults in task_numa_find_cpu (LP:
#1527643)
- sched/numa: Fix use-after-free bug in the task_numa_compare
* overlay fs regression: chmod fails with "Operation not permitted" on chowned
files (LP: #1555997)
- ovl: copy new uid/gid into overlayfs runtime inode
* Miscellaneous Ubuntu changes
- SAUCE: Dump stack when X.509 certificates cannot be loaded
-- Tim Gardner <tim.gard...@canonical.com> Mon, 14 Mar 2016 07:16:19
-0600
** Changed in: linux (Ubuntu Xenial)
Status: Fix Committed => Fix Released
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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 Released
Status in zfs-linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Fix Released
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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