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kern/47040: renaming mount point panics in namei
>Synopsis: renaming mount point panics in namei
>Arrival-Date: Fri Oct 05 14:00:08 +0000 2012
>Originator: Taylor R Campbell <campbell+netbsd%mumble.net@localhost>
>Release: NetBSD 6.99.11
I had a directory /foo/bar/current.ro, and I wanted to rename
it to /foo/current.ro, so I ran
% mv bar/current.ro .
from /foo, forgetting that /foo/bar/current.ro had a file
system mounted. This immediately triggered a panic in namei:
panic: leaf `current.ro' should be empty
I am not sure which instance of the panic this is -- whether
it's the one in lookup_once or the one in relookup -- because I
can't read a kernel core dump on this machine.
Rename a mount point.
(Real fix: rewrite namei...)
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