Nagios Support Forum

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Hi,

I do not know whether this is a developer issue, but anyway I try

I have explored this error, is this error a bug in the cgi's or ...

We have a distributed nagios setup with one master server and 8 slave serve=
r, we monitor 2000+ hosts and 12000+ services, all nagios servers running R=
edHat EL5 and now the master server running nagios 3.0.6 and distributed se=
rvers 3.0.3. We use nrpe 2.10 for client check and nsca 2.7.2 for communic=
ation between the nagios servers with Simple XOR encryption.

The problem was discovered on the master server by the cgi's went blank in =
the browser, the nagios process was running and processing. All distribute=
d server was working. The nagios log show no error but a look into the apac=
he error_log shows:

[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] *** glibc detected *** =
/usr/local/nagios/sbin/status.cgi: malloc(): memory corruption (fast): 0x08=
4104c0 ***
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] =3D=3D=3D=3D=3D=3D=3D B=
acktrace: =3D=3D=3D=3D=3D=3D=3D=3D=3D
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] /lib/libc.so.6[0x94e91e=
]
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] /lib/libc.so.6(__libc_m=
alloc+0x7e)[0x94f35e]
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] /usr/local/nagios/sbin/=
status.cgi[0x8056b16]
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] /usr/local/nagios/sbin/=
status.cgi[0x80719fc]
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] /usr/local/nagios/sbin/=
status.cgi[0x8057c5e]
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] /usr/local/nagios/sbin/=
status.cgi[0x8054047]
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] /lib/libc.so.6(__libc_s=
tart_main+0xdc)[0x8fadec]
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] /usr/local/nagios/sbin/=
status.cgi[0x8048ec1]
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] =3D=3D=3D=3D=3D=3D=3D M=
emory map: =3D=3D=3D=3D=3D=3D=3D=3D
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 00110000-0011b000 r-xp =
00000000 68:03 7987975 /lib/libgcc_s-4.1.2-20080102.so.1
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 0011b000-0011c000 rwxp =
0000a000 68:03 7987975 /lib/libgcc_s-4.1.2-20080102.so.1
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 008c7000-008e1000 r-xp =
00000000 68:03 7987623 /lib/ld-2.5.so
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 008e1000-008e2000 r-xp =
00019000 68:03 7987623 /lib/ld-2.5.so
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 008e2000-008e3000 rwxp =
0001a000 68:03 7987623 /lib/ld-2.5.so
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 008e5000-00a22000 r-xp =
00000000 68:03 7987965 /lib/libc-2.5.so
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 00a22000-00a24000 r-xp =
0013d000 68:03 7987965 /lib/libc-2.5.so
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 00a24000-00a25000 rwxp =
0013f000 68:03 7987965 /lib/libc-2.5.so
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 00a25000-00a28000 rwxp =
00a25000 00:00 0
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 00a30000-00a43000 r-xp =
00000000 68:03 7987973 /lib/libpthread-2.5.so
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 00a43000-00a44000 r-xp =
00012000 68:03 7987973 /lib/libpthread-2.5.so
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 00a44000-00a45000 rwxp =
00013000 68:03 7987973 /lib/libpthread-2.5.so
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 00a45000-00a47000 rwxp =
00a45000 00:00 0
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 00ae9000-00af0000 r-xp =
00000000 68:03 7987974 /lib/librt-2.5.so
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 00af0000-00af1000 r-xp =
00006000 68:03 7987974 /lib/librt-2.5.so
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 00af1000-00af2000 rwxp =
00007000 68:03 7987974 /lib/librt-2.5.so
[Fri Dec 19 04:08:39 2008] [error] [client x.x.x.x] 00af4000-00b91000 r-xp =
00000000 68:0

...[email truncated]...


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