[Bug 296578] loader use after free in UFS implementation

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296578

Toomas Soome <tsoome@me.com> changed:

           What    |Removed                     |Added
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                 CC|                            |tsoome@me.com

--- Comment #2 from Toomas Soome <tsoome@me.com> ---
(In reply to Jordan Gordeev from comment #0)
hm, based on this description, switching currdev does apparently trigger the
"umount" of ufs despite we should have open file from it. We probably want to
do something like transfer mount to vdisk (so we avoid leaking the mount on
unmapping vdisk) and to make sure we have valid data still.

You can verify if keeping currdev as is and accessing vdisk0: directly
(example: ls vdisk0:) will work as expected.

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