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mirror_zfs/module/os/freebsd/zfs
Alexander Motin 9209ea69bc FreeBSD: Fix translation from ABD to physical pages
In hypothetical case of non-linear ABD with single segment, multiple
to page size but not aligned to it, vdev_geom_fill_unmap_cb() could
fill one page less into bio_ma array.

I am not sure it is exploitable, but better to be safe than sorry.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reported-by: Mark Johnston <markj@FreeBSD.org>
Signed-off-by: Alexander Motin <mav@FreeBSD.org>
Closes #13345
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