dhcpd not start

[kadowaki]

Sorry
I am not good at English.


I use

OS    : RHEL 5.2
dhcpd : v3.1.1


when dhcpd restart ,
the following errors were displayed.

-----------------------
dhcpd stop:                                            [  OK  ]
dhcpd start: *** glibc detected *** /usr/sbin/dhcpd: munmap_chunk():
invalid pointer: 0x080d4463 ***
======= Backtrace: =========
/lib/libc.so.6(cfree+0x1bb)[0x48515b]
/usr/sbin/dhcpd[0x80b9ae5]
/usr/sbin/dhcpd[0x80a1bf4]
/usr/sbin/dhcpd[0x8096c0a]
/usr/sbin/dhcpd[0x80a2def]
/usr/sbin/dhcpd[0x806e864]
/usr/sbin/dhcpd[0x80b9f67]
/usr/sbin/dhcpd[0x80797f1]
/usr/sbin/dhcpd[0x8075861]
/usr/sbin/dhcpd[0x805805b]
/usr/sbin/dhcpd[0x8057db3]
/usr/sbin/dhcpd[0x80618c8]
/usr/sbin/dhcpd[0x804ab98]
/lib/libc.so.6(__libc_start_main+0xdc)[0x42edec]
/usr/sbin/dhcpd[0x8049ba1]
======= Memory map: ========
0010f000-0011a000 r-xp 00000000 68:05 7594943
/lib/libgcc_s-4.1.2-20080102.so.1
0011a000-0011b000 rwxp 0000a000 68:05 7594943
/lib/libgcc_s-4.1.2-20080102.so.1
00131000-00132000 r-xp 00131000 00:00 0          [vdso]
003fb000-00415000 r-xp 00000000 68:05 7598286    /lib/ld-2.5.so
00415000-00416000 r-xp 00019000 68:05 7598286    /lib/ld-2.5.so
00416000-00417000 rwxp 0001a000 68:05 7598286    /lib/ld-2.5.so
00419000-00556000 r-xp 00000000 68:05 7598287    /lib/libc-2.5.so
00556000-00558000 r-xp 0013d000 68:05 7598287    /lib/libc-2.5.so
00558000-00559000 rwxp 0013f000 68:05 7598287    /lib/libc-2.5.so
00559000-0055c000 rwxp 00559000 00:00 0
007a3000-007ac000 r-xp 00000000 68:05 7594792    /lib/libnss_files-2.5.so
007ac000-007ad000 r-xp 00008000 68:05 7594792    /lib/libnss_files-2.5.so
007ad000-007ae000 rwxp 00009000 68:05 7594792    /lib/libnss_files-2.5.so
08047000-080de000 r-xp 00000000 68:05 3229879    /usr/sbin/dhcpd
080de000-080e3000 rw-p 00096000 68:05 3229879    /usr/sbin/dhcpd
080e3000-080ed000 rw-p 080e3000 00:00 0
08119000-08466000 rw-p 08119000 00:00 0
b7ea0000-b7fc8000 rw-p b7ea0000 00:00 0
bfd39000-bfd4f000 rw-p bfd39000 00:00 0          [stack]
                                                           [fail]
-----------------------

# cat /dev/null > dhcpd.leases

It is a command as for the above-mentioned.
After it had executed it, it started normally.

However, a above-mentioned error is displayed ,
when dhcpd restart again.

The cause is not understood and it worries.
May I have any advice?