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From: michael@stroeder.com
Subject: cn=Connection 0,cn=Connections,cn=Monitor received twice
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5 followups: 1 2 3 4 5

Major security issue: yes  no

Notes:

Notification:


Date: Wed, 01 Feb 2012 20:30:37 +0000
From: michael@stroeder.com
To: openldap-its@OpenLDAP.org
Subject: cn=Connection 0,cn=Connections,cn=Monitor received twice
Full_Name: 
Version: RE24 22ee28752e3e0d2a6910a22922fc69befd78578a
OS: RHEL 6.2
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (84.163.34.231)


When querying cn=Monitor there are two entries returned with the same DN
cn=Connection 0,cn=Connections,cn=Monitor

This is a MMR setup with two nodes.

Followup 1

Download message
Subject: Re: (ITS#7145) cn=Connection 0,cn=Connections,cn=Monitor received
 twice
From: Peter Varkoly <varkoly@suse.com>
To: openldap-its@OpenLDAP.org
Cc: michael@stroeder.com
Date: Wed, 21 Jan 2015 12:11:11 +0100
Hallo,

I've the same issue on SLES11-SP3. openLDAP version 2.4.26
Kernel 3.0.101-0.15-default
sles11-sp3-krb5-master:~ # ldapsearch -Y EXTERNAL -H ldapi:// -b
cn=Connections,cn=Monitor -s sub '(cn=Connection 0)'
SASL/EXTERNAL authentication started
SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth
SASL SSF: 0
# extended LDIF
#
# LDAPv3
# base <cn=Connections,cn=Monitor> with scope subtree
# filter: (cn=Connection 0)
# requesting: ALL
#

# Connection 0, Connections, Monitor
dn: cn=Connection 0,cn=Connections,cn=Monitor
objectClass: monitorConnection
cn: Connection 0

# Connection 0, Connections, Monitor
dn: cn=Connection 0,cn=Connections,cn=Monitor
objectClass: monitorConnection
cn: Connection 0

# search result
search: 2
result: 0 Success

# numResponses: 3
# numEntries: 2

Was this issue fixed already? 

-- 
Peter Varkoly
Sr. Developer SUSE Linux Enterprise Applications
SUSE LINUX Products GmbH,
GF: Jeff Hawn, Jennifer Guild, Felix Imend..rffer, HRB 16746 (AG
N..rnberg)
Maxfeldstra..e 5
90409 N..rnberg
Germany




Followup 2

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Date: Wed, 21 Jan 2015 11:48:08 +0000
From: Howard Chu <hyc@symas.com>
To: varkoly@suse.com, openldap-its@OpenLDAP.org
Subject: Re: (ITS#7145) cn=Connection 0, cn=Connections, cn=Monitor
 received twice
varkoly@suse.com wrote:
> Hallo,
>
> I've the same issue on SLES11-SP3. openLDAP version 2.4.26

> Was this issue fixed already?

No, there was never any information provided on how to reproduce it. But 
2.4.26 is quite old, do you still see this occurring using 2.4.40?

-- 
   -- Howard Chu
   CTO, Symas Corp.           http://www.symas.com
   Director, Highland Sun     http://highlandsun.com/hyc/
   Chief Architect, OpenLDAP  http://www.openldap.org/project/



Followup 3

Download message
Date: Mon, 09 Mar 2015 17:03:53 +0100
From: Howard Guo <hguo@suse.com>
To: openldap-its@OpenLDAP.org
CC: michael@stroeder.com
Subject: Re: (ITS#7145) cn=Connection 0
Hello Mr.Chu.

After experimenting with monitoring DB myself, I have figured out a 
minimal reproducable test case, I am afraid that the issue still shows 
up in 2.4.39 (distributed by SUSE Server 12).

The 2.4.40 changelog does not seem to suggest any relevant bug fix, but 
I will give it a try anyway.

May I help by attaching the test case? Which Linux distribution would 
you like to use for testing?

Thanks very much.

Kind regards,
Howard Guo
SUSE LINUX Products GmbH



Followup 4

Download message
Date: Mon, 09 Mar 2015 17:41:56 +0100
From: =?UTF-8?Q?Michael_Str=c3=b6der?= <michael@stroeder.com>
To: hguo@suse.com, openldap-its@OpenLDAP.org
Subject: Re: (ITS#7145) cn=Connection 0
This is a cryptographically signed message in MIME format.

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hguo@suse.com wrote:
> After experimenting with monitoring DB myself, I have figured out a=20
> minimal reproducable test case, I am afraid that the issue still shows =

> up in 2.4.39 (distributed by SUSE Server 12).
>=20
> The 2.4.40 changelog does not seem to suggest any relevant bug fix, but=
=20
> I will give it a try anyway.

You could easily try with 2.4.40 with my SLES12 packages:

http://download.opensuse.org/repositories/home:/stroeder:/branches:/netwo=
rk:/ldap/SLE_12/

I hope these will make it into mainstream:

https://build.opensuse.org/package/show/home:stroeder:branches:network:ld=
ap/openldap2

Ciao, Michael.



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Followup 5

Download message
Date: Tue, 10 Mar 2015 11:25:43 +0100
From: Howard Guo <hguo@suse.com>
To: =?windows-1252?Q?Michael_Str=F6der?= <michael@stroeder.com>, 
 openldap-its@OpenLDAP.org
Subject: Re: (ITS#7145) cn=Connection 0
Good day Michael.

Thanks you very much for the packages, they work in SLES 12!
But unfortunately my test case is still able to reproduce the issue 
using version 2.4.40.

Would you like to try out the test case? If so I'll tailor the test case 
code to your choice of Linux distribution.

Kind regards,
Howard Guo
SUSE LINUX Products GmbH

On 09/03/15 17:41, Michael Str.der wrote:
> hguo@suse.com wrote:
>> After experimenting with monitoring DB myself, I have figured out a
>> minimal reproducable test case, I am afraid that the issue still shows
>> up in 2.4.39 (distributed by SUSE Server 12).
>>
>> The 2.4.40 changelog does not seem to suggest any relevant bug fix, but
>> I will give it a try anyway.
> You could easily try with 2.4.40 with my SLES12 packages:
>
> http://download.opensuse.org/repositories/home:/stroeder:/branches:/network:/ldap/SLE_12/
>
> I hope these will make it into mainstream:
>
> https://build.opensuse.org/package/show/home:stroeder:branches:network:ldap/openldap2
>
> Ciao, Michael.
>
>



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