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List:       uclibc-cvs
Subject:    [buildroot 0000891]: Segfault in snmpd apparantly caused by non initialised shared library BSS
From:       bugs () busybox ! net (bugs at busybox ! net)
Date:       2006-12-22 11:06:35
Message-ID: 5029868c8c00ad6a5638ee4bf0e6e792 () www ! busybox ! net
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The following issue requires your FEEDBACK. 
====================================================================== 
http://busybox.net/bugs/view.php?id=891 
====================================================================== 
Reported By:                mfuzzey
Assigned To:                uClibc
====================================================================== 
Project:                    buildroot
Issue ID:                   891
Category:                   Shared Library Support
Reproducibility:            sometimes
Severity:                   major
Priority:                   normal
Status:                     feedback
====================================================================== 
Date Submitted:             06-01-2006 08:45 PDT
Last Modified:              12-22-2006 03:06 PST
====================================================================== 
Summary:                    Segfault in snmpd apparantly caused by non
initialised shared library BSS
Description: 
net-snmpd 5.1.2 built with buildroot sometimes segfaults on startup.
Once this occurs it is 100% reproducable until reboot...

Prelimery investigation points to uClibc shared library support (but I may
be wrong...)

Segfault occurs because external_signal_scheduled[] and
external_signal_handler[] defined in agents/agent_registry.c and compiled
to libnetsnmpagent.so are not initialised but the code assumes they are
zero filled on startup.


====================================================================== 

---------------------------------------------------------------------- 
 bernhardf - 12-22-06 03:06  
---------------------------------------------------------------------- 
Please provide a
package/netsnmp/netsnmp-5.2.1-fix-extern-initializers.patch
that corrects this bug in netsnmp.
Make sure to send the patch upstream too.

TIA, 

Issue History 
Date Modified   Username       Field                    Change               
====================================================================== 
06-01-06 08:45  mfuzzey        New Issue                                    
06-01-06 08:45  mfuzzey        Status                   new => assigned     
06-01-06 08:45  mfuzzey        Assigned To               => uClibc          
06-01-06 09:06  mfuzzey        Issue Monitored: mfuzzey                     
12-22-06 03:06  bernhardf      Note Added: 0001910                          
12-22-06 03:06  bernhardf      Status                   assigned => feedback
======================================================================


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