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From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Date: Thu, 9 Jun 2005 18:33:21 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc: 
Subject: cvs commit: src/sys/kern kern_ktrace.c
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pjd         2005-06-09 18:33:21 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             kern_ktrace.c 
  Log:
  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
  
  Revision  Changes    Path
  1.99      +3 -0      src/sys/kern/kern_ktrace.c