glibc and valgrind memcheck errors (cgi segmentation fault) with nagios 3.06 on Redhat 4.7 x86

Justin Amburn justin.amburn at marketlive.com
Thu Mar 19 19:05:45 CET 2009
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Hi all, 
 I'm desperately needing help with our nagios server. It's been live for
about 1.25 years but 1 week ago it started giving sporadic segmentation
faults at 3am when calling CGI files. The problem is related to the age
of the nagios configuration, because when I restore from a configuration
that's a few days younger the problem disappears for a few days before
coming back again. To address this, I updated the OS from RH 4.6 RH to
4.7 and from nagios 3.03 to 3.06. Here is the diagnostics data I have
collected so far:

[root at nagios01 nagmin]# uname -a
Linux nagios01 2.6.9-78.0.13.ELsmp #1 SMP Wed Jan 7 17:52:47 EST 2009
i686 i686 i386 GNU/Linux

>From httpd/error_log:

[Thu Mar 19 03:11:41 2009] [error] [client 123.45.67.89] Premature end
of script headers: status.cgi, referer:
http://123.45.67.89/nagios/cgi-bin/tac.cgi
[Thu Mar 19 03:11:43 2009] [error] [client 123.45.67.89] *** glibc
detected *** free(): invalid next size (normal): 0x08cd34b8 ***,
referer: http://123.45.67.89/nagios/
[Thu Mar 19 03:11:43 2009] [error] [client 123.45.67.89] Premature end
of script headers: status.cgi, referer: http://123.45.67.89/nagios/
[Thu Mar 19 03:11:46 2009] [error] [client 123.45.67.89] *** glibc
detected *** free(): invalid next size (normal): 0x09ac94b8 ***,
referer: http://123.45.67.89/nagios/cgi-bin/tac.cgi
[Thu Mar 19 03:11:46 2009] [error] [client 123.45.67.89] Premature end
of script headers: status.cgi, referer:
http://123.45.67.89/nagios/cgi-bin/tac.cgi
[Thu Mar 19 03:11:51 2009] [error] [client 123.45.67.89] *** glibc
detected *** free(): invalid next size (normal): 0x09b9b4b8 ***,
referer: http://123.45.67.89/nagios/cgi-bin/tac.cgi
[Thu Mar 19 03:11:51 2009] [error] [client 123.45.67.89] Premature end
of script headers: status.cgi, referer:
http://123.45.67.89/nagios/cgi-bin/tac.cgi
[Thu Mar 19 03:11:57 2009] [error] [client 123.45.67.89] *** glibc
detected *** free(): invalid next size (normal): 0x08aec4b8 ***
[Thu Mar 19 03:11:57 2009] [error] [client 123.45.67.89] Premature end
of script headers: status.cgi
[Thu Mar 19 03:12:02 2009] [error] [client 123.45.67.89] *** glibc
detected *** free(): invalid next size (normal): 0x08cac4b8 ***,
referer: http://123.45.67.89/nagios/cgi-bin/tac.cgi
[Thu Mar 19 03:12:02 2009] [error] [client 123.45.67.89] Premature end
of script headers: status.cgi, referer:
http://123.45.67.89/nagios/cgi-bin/tac.cgi
[Thu Mar 19 03:12:07 2009] [error] [client 123.45.67.89] *** glibc
detected *** free(): invalid next size (fast): 0x09d06508 ***
[Thu Mar 19 03:12:07 2009] [error] [client 123.45.67.89] *** glibc
detected *** free(): invalid next size (fast): 0x097a44f0 ***

Next in the console I run this to see if the glibc is version related,
but it's already the most recent from redhat:

[root at nagios01 nagmin]# rpm -qa | grep glibc
glibc-headers-2.3.4-2.41.el4_7.1
glibc-kernheaders-2.4-9.1.103.EL
glibc-common-2.3.4-2.41.el4_7.1
glibc-2.3.4-2.41.el4_7.1
glibc-devel-2.3.4-2.41.el4_7.1

Then to reproduce the CGI output:

[root at nagios01 nagmin]# export REQUEST_METHOD="GET"
[root at nagios01 nagmin]# /usr/local/nagios/sbin/status.cgi
When it doesn't work it outputs this single line: Segmentation fault

Now some output from valgrind:

=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2009.03.19 09:44:35
=~=~=~=~=~=~=~=~=~=~=~=
valgrind --tool=memcheck /usr/local/nagios/sbin/status.cgi
==23834== Memcheck, a memory error detector.
==23834== Copyright (C) 2002-2005, and GNU GPL'd, by Julian Seward et
al.
==23834== Using LibVEX rev 1575, a library for dynamic binary
translation.
==23834== Copyright (C) 2004-2005, and GNU GPL'd, by OpenWorks LLP.
==23834== Using valgrind-3.1.1, a dynamic binary instrumentation
framework.
==23834== Copyright (C) 2000-2005, and GNU GPL'd, by Julian Seward et
al.
==23834== For more details, rerun with: -v
==23834== 
==23834== Invalid read of size 1
==23834==    at 0x8054D9D: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x80552D3: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052C63: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834==  Address 0x4019A4F is 1 bytes before a block of size 2 alloc'd
==23834==    at 0x4004405: malloc (vg_replace_malloc.c:149)
==23834==    by 0x8054DC9: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x80552D3: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052C63: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834== 
==23834== Invalid read of size 1
==23834==    at 0x8054D9D: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8055596: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052C63: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834==  Address 0x4019F8F is 1 bytes before a block of size 2 alloc'd
==23834==    at 0x4004405: malloc (vg_replace_malloc.c:149)
==23834==    by 0x8054DC9: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8055596: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052C63: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834== 
==23834== Invalid read of size 1
==23834==    at 0x8054D9D: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8054E51: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052C7C: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834==  Address 0x4025BDF is 1 bytes before a block of size 2 alloc'd
==23834==    at 0x4004405: malloc (vg_replace_malloc.c:149)
==23834==    by 0x8054DC9: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8054E51: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052C7C: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834== 
==23834== Invalid read of size 1
==23834==    at 0x8054D9D: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8060076: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x806D4ED: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x805B36F: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8054194: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052C9A: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834==  Address 0x404F817 is 1 bytes before a block of size 2 alloc'd
==23834==    at 0x4004405: malloc (vg_replace_malloc.c:149)
==23834==    by 0x8054DC9: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8060076: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x806D4ED: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x805B36F: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8054194: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052C9A: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834== 
==23834== Invalid read of size 1
==23834==    at 0x8054D9D: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8069ECB: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x806D5D4: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x805B36F: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8054194: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052C9A: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834==  Address 0x407A177 is 1 bytes before a block of size 2 alloc'd
==23834==    at 0x4004405: malloc (vg_replace_malloc.c:149)
==23834==    by 0x8054DC9: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8069ECB: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x806D5D4: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x805B36F: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8054194: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052C9A: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834== 
==23834== Invalid read of size 1
==23834==    at 0x8054D9D: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x806E600: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x806E842: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x80541CC: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052CB9: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834==  Address 0x473172F is 1 bytes before a block of size 2 alloc'd
==23834==    at 0x4004405: malloc (vg_replace_malloc.c:149)
==23834==    by 0x8054DC9: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x806E600: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x806E842: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x80541CC: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052CB9: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834== 
==23834== Invalid read of size 1
==23834==    at 0x8054D9D: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x806E68E: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x806E842: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x80541CC: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052CB9: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834==  Address 0x483B91F is 1 bytes before a block of size 2 alloc'd
==23834==    at 0x4004405: malloc (vg_replace_malloc.c:149)
==23834==    by 0x8054DC9: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x806E68E: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x806E842: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x80541CC: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052CB9: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
Cache-Control: no-store
Pragma: no-cache
Refresh: 90
Last-Modified: Thu, 19 Mar 2009 16:44:39 GMT
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Content-type: text/html

<html>
<head>
<link rel="shortcut icon" href="/nagios/images/favicon.ico"
type="image/ico">
<title>
Current Network Status
</title>
<LINK REL='stylesheet' TYPE='text/css'
HREF='/nagios/stylesheets/common.css'><LINK REL='stylesheet'
TYPE='text/css' HREF='/nagios/stylesheets/status.css'></head>
<body CLASS='status'>

<!-- Produced by Nagios (http://www.nagios.org).  Copyright (c)
1999-2007 Ethan Galstad. -->
==23834== 
==23834== Invalid read of size 1
==23834==    at 0x8054D9D: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x80571AD: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052CE0: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
==23834==  Address 0x4557717 is 1 bytes before a block of size 2 alloc'd
==23834==    at 0x4004405: malloc (vg_replace_malloc.c:149)
==23834==    by 0x8054DC9: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x80571AD: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x8052CE0: (within /usr/local/nagios/sbin/status.cgi)
==23834==    by 0x24BDF2: (below main) (in /lib/tls/libc-2.3.4.so)
<table border=0 width=100% cellspacing=0 cellpadding=0>
<tr>
<td align=left valign=top width=33%>
<TABLE CLASS='infoBox' BORDER=1 CELLSPACING=0 CELLPADDING=0>
<TR><TD CLASS='infoBox'>
<DIV CLASS='infoBoxTitle'>Current Network Status</DIV>
Last Updated: Thu Mar 19 09:44:57 PDT 2009<BR>
Updated every 90 seconds<br>
Nagios® 3.0.3 - <A HREF='http://www.nagios.org' TARGET='_new'
CLASS='homepageURL'>www.nagios.org</A><BR>
Logged in as <i>?</i><BR>
</TD></TR>
</TABLE>
<TABLE BORDER=1 CELLPADDING=0 CELLSPACING=0 CLASS='linkBox'>
<TR><TD CLASS='linkBox'>
<a href='history.cgi?host=all'>View History For all hosts</a><br>
<a href='notifications.cgi?host=all'>View Notifications For All
Hosts</a>
<br><a href='status.cgi?hostgroup=all&style=hostdetail'>View Host Status
Detail For All Hosts</a>
</TD></TR>
</TABLE>
</td>
<td align=center valign=top width=33%>
<DIV CLASS='hostTotals'>Host Status Totals</DIV>
<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR><TD>
<TABLE BORDER=1 CLASS='hostTotals'>
<TR>
<TH CLASS='hostTotals'><A CLASS='hostTotals'
HREF='status.cgi?host=(null)&hoststatustypes=2'>Up</A></TH>
<TH CLASS='hostTotals'><A CLASS='hostTotals'
HREF='status.cgi?host=(null)&hoststatustypes=4'>Down</A></TH>
<TH CLASS='hostTotals'><A CLASS='hostTotals'
HREF='status.cgi?host=(null)&hoststatustypes=8'>Unreachable</A></TH>
<TH CLASS='hostTotals'><A CLASS='hostTotals'
HREF='status.cgi?host=(null)&hoststatustypes=1'>Pending</A></TH>
</TR>
<TR>
<TD CLASS='hostTotals'>0</TD>
<TD CLASS='hostTotals'>0</TD>
<TD CLASS='hostTotals'>0</TD>
<TD CLASS='hostTotals'>0</TD>
</TR>
</TABLE>
</TD></TR><TR><TD ALIGN=CENTER>
<TABLE BORDER=1 CLASS='hostTotals'>
<TR>
<TH CLASS='hostTotals'><A CLASS='hostTotals'
HREF='status.cgi?host=(null)&hoststatustypes=12'><I>All
Problems</I></A></TH>
<TH CLASS='hostTotals'><A CLASS='hostTotals'
HREF='status.cgi?host=(null)'><I>All Types</I></A></TH>
</TR><TR>
<TD CLASS='hostTotals'>0</TD>
<TD CLASS='hostTotals'>0</TD>
</TR>
</TABLE>
</TD></TR>
</TABLE>
</DIV>
</td>
<td align=center valign=top width=33%>
<DIV CLASS='serviceTotals'>Service Status Totals</DIV>
<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR><TD>
<TABLE BORDER=1 CLASS='serviceTotals'>
<TR>
<TH CLASS='serviceTotals'><A CLASS='serviceTotals'
HREF='status.cgi?host=(null)&servicestatustypes=2&hoststatustypes=15'>Ok
</A></TH>
<TH CLASS='serviceTotals'><A CLASS='serviceTotals'
HREF='status.cgi?host=(null)&servicestatustypes=4&hoststatustypes=15'>Wa
rning</A></TH>
<TH CLASS='serviceTotals'><A CLASS='serviceTotals'
HREF='status.cgi?host=(null)&servicestatustypes=8&hoststatustypes=15'>Un
known</A></TH>
<TH CLASS='serviceTotals'><A CLASS='serviceTotals'
HREF='status.cgi?host=(null)&servicestatustypes=16&hoststatustypes=15'>C
ritical</A></TH>
<TH CLASS='serviceTotals'><A CLASS='serviceTotals'
HREF='status.cgi?host=(null)&servicestatustypes=1&hoststatustypes=15'>Pe
nding</A></TH>
</TR>
<TR>
<TD CLASS='serviceTotals'>0</TD>
<TD CLASS='serviceTotals'>0</TD>
<TD CLASS='serviceTotals'>0</TD>
<TD CLASS='serviceTotals'>0</TD>
<TD CLASS='serviceTotals'>0</TD>
</TR>
</TABLE>
</TD></TR><TR><TD ALIGN=CENTER>
<TABLE BORDER=1 CLASS='serviceTotals'>
<TR>
<TH CLASS='serviceTotals'><A CLASS='serviceTotals'
HREF='status.cgi?host=(null)&servicestatustypes=28&hoststatustypes=15'><
I>All Problems</I></A></TH>
<TH CLASS='serviceTotals'><A CLASS='serviceTotals'
HREF='status.cgi?host=(null)&hoststatustypes=15'><I>All
Types</I></A></TH>
</TR><TR>
<TD CLASS='serviceTotals'>0</TD>
<TD CLASS='serviceTotals'>0</TD>
</TR>
</TABLE>
</TD></TR>
</TABLE>
</DIV>
</td>
<td align=right valign=bottom>
</td>
</tr>
</table>
<P>
<table border=0 width=100%>
<tr>
<td valign=top align=left width=33%>
</td><td valign=top align=center width=33%>
<DIV ALIGN=CENTER CLASS='statusTitle'>Service Status Details For All
Hosts</DIV>
<br></td>
<td valign=top align=right width=33%></td>
</tr>
</table>
<TABLE BORDER=0 width=100% CLASS='status'>
<TR>
<TH CLASS='status'>Host <A
HREF='status.cgi?host=(null)&sorttype=1&sortoption=1'><IMG
SRC='/nagios/images/up.gif' BORDER=0 ALT='Sort by host name (ascending)'
TITLE='Sort by host name (ascending)'></A><A
HREF='status.cgi?host=(null)&sorttype=2&sortoption=1'><IMG
SRC='/nagios/images/down.gif' BORDER=0 ALT='Sort by host name
(descending)' TITLE='Sort by host name (descending)'></A></TH><TH
CLASS='status'>Service <A
HREF='status.cgi?host=(null)&sorttype=1&sortoption=2'><IMG
SRC='/nagios/images/up.gif' BORDER=0 ALT='Sort by service name
(ascending)' TITLE='Sort by service name (ascending)'></A><A
HREF='status.cgi?host=(null)&sorttype=2&sortoption=2'><IMG
SRC='/nagios/images/down.gif' BORDER=0 ALT='Sort by service name
(descending)' TITLE='Sort by service name (descending)'></A></TH><TH
CLASS='status'>Status <A
HREF='status.cgi?host=(null)&sorttype=1&sortoption=3'><IMG
SRC='/nagios/images/up.gif' BORDER=0 ALT='Sort by service status
(ascending)' TITLE='Sort by service status (ascending)'></A><A
HREF='status.cgi?host=(null)&sorttype=2&sortoption=3'><IMG
SRC='/nagios/images/down.gif' BORDER=0 ALT='Sort by service status
(descending)' TITLE='Sort by service status (descending)'></A></TH><TH
CLASS='status'>Last Check <A
HREF='status.cgi?host=(null)&sorttype=1&sortoption=4'><IMG
SRC='/nagios/images/up.gif' BORDER=0 ALT='Sort by last check time
(ascending)' TITLE='Sort by last check time (ascending)'></A><A
HREF='status.cgi?host=(null)&sorttype=2&sortoption=4'><IMG
SRC='/nagios/images/down.gif' BORDER=0 ALT='Sort by last check time
(descending)' TITLE='Sort by last check time (descending)'></A></TH><TH
CLASS='status'>Duration <A
HREF='status.cgi?host=(null)&sorttype=1&sortoption=6'><IMG
SRC='/nagios/images/up.gif' BORDER=0 ALT='Sort by state duration
(ascending)' TITLE='Sort by state duration (ascending)'></A><A
HREF='status.cgi?host=(null)&sorttype=2&sortoption=6'><IMG
SRC='/nagios/images/down.gif' BORDER=0 ALT='Sort by state duration time
(descending)' TITLE='Sort by state duration time
(descending)'></A></TH><TH CLASS='status'>Attempt <A
HREF='status.cgi?host=(null)&sorttype=1&sortoption=5'><IMG
SRC='/nagios/images/up.gif' BORDER=0 ALT='Sort by current attempt
(ascending)' TITLE='Sort by current attempt (ascending)'></A><A
HREF='status.cgi?host=(null)&sorttype=2&sortoption=5'><IMG
SRC='/nagios/images/down.gif' BORDER=0 ALT='Sort by current attempt
(descending)' TITLE='Sort by current attempt (descending)'></A></TH><TH
CLASS='status'>Status Information</TH>
</TR>
</TABLE>
<P><DIV CLASS='errorMessage'>It appears as though you do not have
permission to view information for any of the services you
requested...</DIV></P>
<P><DIV CLASS='errorDescription'>If you believe this is an error, check
the HTTP server authentication requirements for accessing this
CGI<br>and check the authorization options in your CGI configuration
file.</DIV></P>

<!-- Produced by Nagios (http://www.nagios.org).  Copyright (c)
1999-2007 Ethan Galstad. -->
</body>
</html>
==23834== 
==23834== ERROR SUMMARY: 4899 errors from 8 contexts (suppressed: 13
from 1)
==23834== malloc/free: in use at exit: 2,856 bytes in 162 blocks.
==23834== malloc/free: 768,529 allocs, 768,367 frees, 21,168,610 bytes
allocated.
==23834== For counts of detected errors, rerun with: -v
==23834== searching for pointers to 162 not-freed blocks.
==23834== checked 65,564 bytes.
==23834== 
==23834== LEAK SUMMARY:
==23834==    definitely lost: 262 bytes in 9 blocks.
==23834==      possibly lost: 0 bytes in 0 blocks.
==23834==    still reachable: 2,594 bytes in 153 blocks.
==23834==         suppressed: 0 bytes in 0 blocks.
==23834== Use --leak-check=full to see details of leaked memory.

--------------------- END -----------------------------


Though the CGI is working *for now*, look at all of the 4899 errors. In
48 hours it's bound to start failing again.

After updating the kernel/rh packages/nagios to the latest stable
versions, I'm at my wit's end here. What should I do next to try to
address this problem? To whoever can please assist me with this, I thank
you for your help and expertise. 

Regards,

Justin Amburn



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