looks good, thank you
** Changed in: zfs-linux (Ubuntu Mantic)
Status: New => Fix Committed
** Changed in: zfs-linux (Ubuntu Mantic)
Assignee: (unassigned) => Steve Langasek (vorlon)
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https://bugs.launchpad.net/bugs/2033385
Title:
zfs-dkms UBSAN array-out-of-bounds warning with kernel 6.5 on mantic
Status in zfs-linux package in Ubuntu:
Fix Committed
Status in zfs-linux source package in Mantic:
Fix Committed
Bug description:
[Impact]
When the zfs module is loaded we can see the following errors in dmesg
with the latest 6.5 kernel in mantic:
[ 10.730318] UBSAN: array-index-out-of-bounds in
/build/mantic/debian/build/build-generic/_______________________________________________________________________________________________dkms/build/zfs/2.2.0~rc3/build/module/zfs/vdev_raidz_math_impl.h:1475:22
[ 10.734075] index 6 is out of range for type 'raidz_col_t [*]'
[Test case]
$ sudo apt install zfs-dkms
[Fix]
Apply this patch to properly support varlen arrays and prevent the
UBSAN warnings:
https://github.com/ckane/zfs/commit/095a435cd5129b25ebc1b090613b73059719bae5
[Regression potential]
This change is limited to ZFS, so we may experience regressions in
those systems that are using ZFS filesystems or zpool volumes.
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