[Bug 1666] New: sshd throws "Invalid user" for existing users sometimes

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=1666

           Summary: sshd throws "Invalid user" for existing users
                    sometimes
           Product: Portable OpenSSH
           Version: 4.2p1
          Platform: ix86
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: sshd
        AssignedTo: unassigned-bugs at mindrot.org
        ReportedBy: karthik.rangasamy at wipro.com


Hi 

We have around 480 users configured in one Linux(Suse 10) machine.
and the client program(ssh-client) makes ssh connection to the machine
for all the user at one stretch every 15 minutes.

but sometimes it throws the below error in the
syslog(/var/log/messages/) for some users:
Invalid user user1 from w.x.y.z

the error does not occur everytime. sometime it happens for user1...and
next time it works ok..

also the error occurs only in Suse10(openssh-4.2p1-18.38.3).This error
is not occuring in Suse 9(openssh-4.1p1-11.44).

we tried with different ssh clients but error happens with both the
clients..
Can you please let us know the reason for this error?
Is it a Bug or something related to configuration.

Thanks and Regards
Karthik

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