Red Hat Bugzilla – Bug 155100
Zombie sshd process remains after the end of ssh session
Last modified: 2007-11-30 17:11:04 EST
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User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)
Description of problem:
When working with server via ssh, after logout got zombie shell and sshd processes. These zombie processes stay for a long time and they can be killed by "kill -9" command.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Log in to server over ssh
2. Log off
Actual Results: Sometimes zombie processes of shell and sshd appear.
Expected Results: There should be no session processes after logout.
After logout of user "qwert" following processes remain
[root@host /]# ps aux | grep qwert
root 8305 0.0 0.1 6900 1868 ? Ss 08:38 0:00 sshd: qwert[priv]
qwert 8318 0.0 0.1 7104 2016 ? S 08:39 0:00 sshd: qwert@pts/8
qwert 8319 0.0 0.0 0 0 ? Zs 08:39 0:00 [bash] <defunct>
root 24662 0.0 0.0 5144 696 pts/9 S+ 15:48 0:00 grep qwert
I cannot reproduce this bug here.
Does it happen even if you connect to the machine and logout immediately?
Which ssh client do you use? And could you try to reproduce the problem using
various ssh clients?
Also you could try to rebuild the openssh-4.0p1-2 from Fedora Core Development
and install it on your machine and try if it solves the problem or not.
I cannot reproduce it and reporter doesn't respond.