This bug was fixed in the package zfs-linux - 0.8.3-1ubuntu12.10
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zfs-linux (0.8.3-1ubuntu12.10) focal; urgency=medium
* fix uio partial copies (LP: #1904589)
-- Andrea Righi Thu, 10 Jun 2021 14:49:23
+0100
** Changed in: zfs-linux (Ubuntu Focal)
Status: Fix Committed
I think this was aging in -proposed long enough. Let's proceed with the
release.
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Title:
zfs PANIC: accessing past end of object
I've run this through all the ubuntu kernel team ZFS test suite and also
given this a full soak test most of this afternoon with multiple
concurrent stress-ng file system I/O stress tests and not been able to
trip this issue.
In my opinion ZFS is functioning correctly and I've not seen this error
@Snorre, can you verify that this bug fixes your ZFS issues? If you can
do that then we can release the fix. Thank you!
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Title:
Hello silverwind, or anyone else affected,
Accepted zfs-linux into focal-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/zfs-
linux/0.8.3-1ubuntu12.10 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package. S
Thank you!
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Title:
zfs PANIC: accessing past end of object in 0.8.3-1ubuntu12.4
Status in zfs-linux package in Ubuntu:
Fix Re
the focal package with this fix is now awaiting approval by the distro
manager; then it will be available in the -proposed pocket for testing.
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I'll see why this has got stuck and sort this out for focal.
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https://bugs.launchpad.net/bugs/1904589
Title:
zfs PANIC: accessing past end of object in 0.8.3-1ubuntu12.
Any chance of a fix for Focal Fossa? I'm seeing this issue crash my
server about 1-2 times per month...
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Title:
zfs PANIC: acces
New debdiff for focal applied on top of the latest 0.8.3-1ubuntu12.6.
** Patch added: "zfs-fix-uio-partial-copies.debdiff"
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1904589/+attachment/5439545/+files/zfs-fix-uio-partial-copies.debdiff
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** Description changed:
+ [Impact]
+
+ zfs_write() doesn't properly account partial copies done by
+ copy_from_user(), causing accesses past the end of objects and
+ triggering kernel panics.
+
+ [Test case]
+
+ The problem seems to be workload specific, there is not a specific test
+ case to r
I've uploaded the fixed package, it will be available in the -proposed
pocket for SRU testing at some point in the near future.
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T
Upstream fix that has been backported is attached
** Patch added: "upstream patch"
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1904589/+attachment/5438715/+files/0001-Bugfix-fix-uio-partial-copies.patch
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Pac
** Also affects: zfs-linux (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: zfs-linux (Ubuntu Hirsute)
Importance: Medium
Assignee: Colin Ian King (colin-king)
Status: In Progress
** Also affects: zfs-linux (Ubuntu Focal)
Importance: Undecided
** Changed in: zfs-linux (Ubuntu)
Status: New => In Progress
** Changed in: zfs-linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: zfs-linux (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
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** Summary changed:
- zfs: accessing past end of object in 0.8.3-1ubuntu12.4
+ zfs PANIC: accessing past end of object in 0.8.3-1ubuntu12.4
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