Public bug reported:
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.
** Affects: zfs-linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1557151
Title:
ZFS: send fails to transmit some holes [corruption]
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