ports/161064: net-mgmt: net-snmp cores and memory leak

[Helmut Schneider]

>Number:         161064
>Category:       ports
>Synopsis:       net-mgmt: net-snmp cores and memory leak
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Sep 27 10:20:04 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Helmut Schneider
>Release:        8.2-RELEASE-p2
>Organization:
>Environment:
>Description:
net-snmp-5.7_3 cores after a while. It also has a memory leak.

# gdb
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This GDB was configured as "i386-marcel-freebsd".
(gdb) core /snmpd.core
Core was generated by `snmpd'.
Program terminated with signal 11, Segmentation fault.
#0  0x286fe4fe in ?? ()
(gdb) bt
#0  0x286fe4fe in ?? ()
#1  0x3f7ff100 in ?? ()
[...]
#1152 0x0000000f in ?? ()
#1153 <signal handler called>
Cannot access memory at address 0x4c
(gdb)

[helmut at BSDHelmut ~]$ ps auxww | grep snmpd
root      41224  0.0 14.0 311996 292284  ??  S    Sun03PM  12:38.10 /usr/local/sbin/snmpd -p /var/run/snmpd.pid
[helmut at BSDHelmut ~]$

At startup it takes ~30MB, currently 312MB, I have also seen the process using 1.6GB.

[helmut at BSDHelmut ~]$ sudo /usr/local/etc/rc.d/snmpd restart
Stopping snmpd.
Waiting for PIDS: 41224.
Starting snmpd.
mibII/mta_sendmail.c:open_sendmailst: could not guess version of statistics file "/var/log/sendmail.st"
[helmut at BSDHelmut ~]$ ps auxww | grep snmpd
root      62232  1.0  0.3 27324  6560  ??  S    12:16PM   0:00.07 /usr/local/sbin/snmpd -p /var/run/snmpd.pid
[helmut at BSDHelmut ~]$

>How-To-Repeat:
Install net-snmp, wait.
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: