Remove process information leak from inside a jail, when security.bsd.see_other_uids is set to 0, etc. One can check if invisible process is active, by doing:
Remove process information leak from inside a jail, when
security.bsd.see_other_uids is set to 0, etc.
One can check if invisible process is active, by doing:

	# ktrace -p <pid>

If ktrace returns 'Operation not permitted' the process is alive and
if returns 'No such process' there is no such process.

MFC after:	1 week

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