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kern/58111: Tracking issue for potential ZFS data corruption
>Number: 58111
>Category: kern
>Synopsis: Tracking issue for potential ZFS data corruption
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Thu Apr 04 07:10:00 +0000 2024
>Originator: Matthias Petermann
>Release: netbsd-10 and potentially all previous releases that contain ZFS code
>Organization:
-
>Environment:
n/a
>Description:
This ticket is a follow-up to an IRC discussion. It was discussed that NetBSD might be affected by a data corruption issue with ZFS that was recently fixed in FreeBSD. The issue consists of the implementation of the IOCTLs FIOSEEKDATA/FIOSEEKHOLE. The initial assessment on IRC was that these IOCTLs are probably not used in the base system. Theoretically, however, there is the possibility that 3rd party tools, for example from the pkgsrc, will make use of them.
Tracking tickets on FreeBSD:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275308
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256205
Accompanying articles:
https://www.theregister.com/2023/11/27/openzfs_2_2_0_data_corruption/
https://www.theregister.com/2023/12/04/two_new_versions_of_openzfs/
Thanks to Riastradh for the initial assessment and guidance!
>How-To-Repeat:
see FreeBSD tickets
>Fix:
see FreeBSD tickets
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