kern/97505: file entry of procfs points to "unknown"

[HIROSHI OOTA]

>Number:         97505
>Category:       kern
>Synopsis:       file entry of procfs points to "unknown"
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri May 19 22:50:14 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     HIROSHI OOTA
>Release:        7-CURRENT
>Organization:
>Environment:
FreeBSD  7.0-CURRENT FreeBSD 7.0-CURRENT #47: Mon Mar 20 13:04:47 UTC 2006 root@:  i386
>Description:
File entry on procfs of the command that was mounted on nullfs links to "unknown". 
>How-To-Repeat:
# mkdir /dir
# mount -t nullfs /usr /dir
# /dir/bin/readlink /proc/curproc/file
unknown
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: