pkg/31943: mutex problem in ntop

[smb%cs.columbia.edu@localhost]

>Number:         31943
>Category:       pkg
>Synopsis:       I see 'Unlocking unlocked mutex' messages from ntop
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Oct 28 23:54:00 +0000 2005
>Originator:     Steven M. Bellovin
>Release:        NetBSD 3.99.9
>Organization:
>Environment:
        
        
System: NetBSD bigboy.machshav.com 3.99.9 NetBSD 3.99.9 (BIGBOY) #0: Fri Oct 14 
09:50:19 EDT 2005 
smb%bigboy.machshav.com@localhost:/usr/BUILD/obj/sys/arch/i386/compile/BIGBOY 
i386
Architecture: i386
Machine: i386
>Description:
        I'm running ntop 3.1nb4 on a Soekris box, monitoring three
        interfaces.  Traffic fairly light.  I occasionally get messages
        about unlocking an unlocked mutex.  Here is the complete log since
        one recent start:

        # ntop -t 0 -M -i sip0,sip1,sip2 -D machshav.com -w 80
        Thu Oct 27 20:10:48 2005  ntop will be started as user nobody
        Thu Oct 27 20:10:48 2005  ntop v.3.1 MT (SSL)
        Thu Oct 27 20:10:48 2005  Configured on Oct 14 2005  7:38:19, built on 
Oct 14 20
        05 07:39:05.
        Thu Oct 27 20:10:48 2005  Copyright 1998-2004 by Luca Deri 
<deri%ntop.org@localhost>
        Thu Oct 27 20:10:48 2005  Get the freshest ntop from 
http://www.ntop.org/
        Thu Oct 27 20:10:48 2005  Initializing ntop
        Thu Oct 27 20:10:50 2005  I18N: This instance of ntop does not support 
multiple 
        languages
        Thu Oct 27 20:10:59 2005  INITWEB: Waiting for HTTP connections on port 
80
        Thu Oct 27 20:10:59 2005  Listening on [sip0,sip1,sip2]
        Thu Oct 27 20:10:59 2005  Loading Plugins
        Thu Oct 27 20:10:59 2005  CHKVER: Checking current ntop version at 
version.ntop.
        org/version.xml
        Thu Oct 27 20:10:59 2005  WEB: ntop's web server is now processing 
requests
        Thu Oct 27 20:10:59 2005  LASTSEEN: Welcome to LastSeenWatchPlugin. (C) 
1999 by 
        Andrea Marangoni
        Thu Oct 27 20:10:59 2005  ICMP: Welcome to icmpWatchPlugin. (C) 
1999-2004 by Luc
        a Deri
        Thu Oct 27 20:10:59 2005  NETFLOW: Welcome to NetFlow.(C) 2002-04 by 
Luca Deri
        Thu Oct 27 20:10:59 2005  PDA: Welcome to PDAPlugin. (C) 2001-2004 by 
L.Deri and
         W.Brock
         Thu Oct 27 20:10:59 2005  RRD: Welcome to rrdPlugin. (C) 2002-04 by 
Luca Deri.
         Thu Oct 27 20:10:59 2005  SFLOW: Welcome to sFlow.(C) 2002-04 by Luca 
Deri
         Thu Oct 27 20:10:59 2005  SNMP: Welcome to snmpPlugin. (C) 2004 by 
F.Fusco and G
         .Giardina
         Thu Oct 27 20:10:59 2005  XML: Welcome to xmldump plugin. (C) 
2003-2004 by Burto
         n Strauss
         Thu Oct 27 20:10:59 2005  Now running as requested user 'nobody' 
(32767:39)
         ntop: Error detected by libpthread: Unlocking unlocked mutex.
         Detected by file "/usr/src/lib/libpthread/pthread_mutex.c", line 345, 
function "
         pthread_mutex_unlock".
         See pthread(3) for information.
         jntop: Error detected by libpthread: Unlocking unlocked mutex.
         Detected by file "/usr/src/lib/libpthread/pthread_mutex.c", line 345, 
function "
         pthread_mutex_unlock".
         See pthread(3) for information.
         ntop: Error detected by libpthread: Unlocking unlocked mutex.
         Detected by file "/usr/src/lib/libpthread/pthread_mutex.c", line 345, 
function "
         pthread_mutex_unlock".
         See pthread(3) for information.

>How-To-Repeat:
        See above
>Fix:
        

>Unformatted: