Jeff Smelser wrote:
On Friday 04 November 2005 08:06 am, Chris Wells wrote:
/usr/lib/chkrootkit/chkproc -v -v

PID  1230(/proc/1230): not in readdir output
PID  1230: not in ps output
CWD  1230: /var/lib/mysql
EXE  1230: /usr/sbin/mysqld
... (report the same for 1231 - 1238)
You have     9 process hidden for readdir command
You have     9 process hidden for ps command

The command `cat /proc/1230/cmdline` outputs:

/usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql
--pid-file=/var/run/mysqld/mysqld.pid --skip-locking --port=3306
--socket=/var/run/mysqld/mysqld.sock

Isnt this just nptl showing 1 process instead of 9 because it shared? Just add H to the ps command and you will see them.

Jeff

That's pretty much what I figured, but I couldn't find anything specifically noting that. I just wanted to hear it confirmed from someone else before I completely wrote this off as a (sort of) false-positive from chkrootkit.

And yes, as expected, `ps Haux` shows all of them. And `ps aux -L` shows everything with the parent thread listed.

Thanks,
Chris


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