Re: ps under FreeBSD
From: Torbjorn Kristoffersen (sgt@digiweb.no)Date: 05/20/02
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Date: Mon, 20 May 2002 04:29:37 +0200 From: Torbjorn Kristoffersen <sgt@digiweb.no> To: bugtraq@securityfocus.com
On Sat, May 18, 2002 at 08:40:38PM +0200, Jakub Filonik wrote:
> Hi,
> I was playing with ps on FreeBSD with kern.ps_showallprocs=0 and I was
> surprised when I have seen that I may see info about running process, if I
> know it's ID
>
> I think it may be seen as bug. What do You think?
>
This is a known problem, see Problem Report kern/30608 at
http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/30608
This issue is fixed in Current, but not in FreeBSD 4.5-STABLE, etc.
By the way, I was thinking of the best way to view all the "hidden" processes at
the same time. Something similar to ''for i in $(jot 99999); do ps -u$i....''
is extremely slow and sometimes hangs my system.
Included is therefore a patch for ps.c in /usr/src/bin/ps to view all the
"hidden" processes (just a braindead hack, really..). Any normal user can
compile his own hacked 'ps'.
You could always traverse /proc instead, but cmdline and status give too little
info.
-- Torbjorn Kristoffersen <sgt@digiweb.no>"Real programmers don't comment their code. It was hard to write, it should be hard to understand."
- text/plain attachment: ps.c.diff
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