cvs commit: src/sys/kern kern_ktrace.c

Pawel Jakub Dawidek pjd at
Thu Jun 16 07:25:28 GMT 2005

pjd         2005-06-16 07:25:27 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_5)
    sys/kern             kern_ktrace.c 
  MFC:    kern_ktrace.c   1.99
  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.
  Revision  Changes    Path  +3 -0      src/sys/kern/kern_ktrace.c

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