chkrootkit finds 94 process hidden for readdir

Matthew Herzog matthew.herzog at
Sat Dec 23 18:36:00 PST 2006

Yeah, I saw postings that refered to "time difference in ps and
processing /proc" but did not know
whether the postings could be trusted. I see no strange behavior on
the machine. I run chkrootkit about once a month just in case.

On 12/23/06, Edwin Groothuis <edwin at> wrote:
> On Sat, Dec 23, 2006 at 03:57:35PM -0500, Matthew Herzog wrote:
> > I run FreeBSD 6.1-RELEASE-p7 on an UltraSparc 5 machine.
> > I ran chkrootkit yesterday and saw this:
> > Checking `lkm'... You have    94 process hidden for readdir command
> > chkproc: Warning: Possible LKM Trojan installed
> I thought this was related to the time difference in "ps" and the
> processing of the /proc directory.
> Edwin
> --
> Edwin Groothuis      |            Personal website:
> edwin at    |          Weblog:

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