unknown error

Hi, I am using spamprobe-1.2a w/ pbl1_1_03 on Fedora Core 4. Sometimes
when I run spamprobe I get this error:

-----------------------------------------

[sharukh@carbon ~]$ spamprobe train-spam mail/spam
*** glibc detected *** spamprobe: free(): invalid next size (fast):
0x096bb3d8 ***
======= Backtrace: =========
/lib/libc.so.6[0x26a424]
/lib/libc.so.6(__libc_free+0x77)[0x26a95f]
/usr/lib/libstdc++.so.6(_ZdlPv+0x21)[0x64d669]
spamprobe[0x8056096]
spamprobe[0x80567b3]
spamprobe[0x8053b83]
spamprobe[0x807c815]
spamprobe[0x807c9dc]
spamprobe[0x807f591]
spamprobe[0x808be46]
spamprobe[0x808c4d3]
spamprobe[0x808c623]
spamprobe[0x8093bc8]
/lib/libc.so.6(__libc_start_main+0xc6)[0x21bde6]
spamprobe(__gxx_personality_v0+0xc1)[0x804afb5]
======= Memory map: ========
001e9000-00203000 r-xp 00000000 03:02 1566203    /lib/ld-2.3.5.so
00203000-00204000 r-xp 00019000 03:02 1566203    /lib/ld-2.3.5.so
00204000-00205000 rwxp 0001a000 03:02 1566203    /lib/ld-2.3.5.so
00207000-0032b000 r-xp 00000000 03:02 1566204    /lib/libc-2.3.5.so
0032b000-0032d000 r-xp 00124000 03:02 1566204    /lib/libc-2.3.5.so
0032d000-0032f000 rwxp 00126000 03:02 1566204    /lib/libc-2.3.5.so
0032f000-00331000 rwxp 0032f000 00:00 0
00333000-00355000 r-xp 00000000 03:02 1566205    /lib/libm-2.3.5.so
00355000-00356000 r-xp 00021000 03:02 1566205    /lib/libm-2.3.5.so
00356000-00357000 rwxp 00022000 03:02 1566205    /lib/libm-2.3.5.so
00571000-0057a000 r-xp 00000000 03:02 1566208
/lib/libgcc_s-4.0.0-20050520.so.1
0057a000-0057b000 rwxp 00009000 03:02 1566208
/lib/libgcc_s-4.0.0-20050520.so.1
00599000-00678000 r-xp 00000000 03:02 925192
/usr/lib/libstdc++.so.6.0.4
00678000-0067d000 rwxp 000df000 03:02 925192
/usr/lib/libstdc++.so.6.0.4
0067d000-00682000 rwxp 0067d000 00:00 0
00d5f000-00d60000 r-xp 00d5f000 00:00 0
08048000-080aa000 r-xp 00000000 03:02 925353     /usr/local/bin/spamprobe
080aa000-080ab000 rw-p 00062000 03:02 925353     /usr/local/bin/spamprobe
080ab000-080ae000 rw-p 080ab000 00:00 0
09296000-09813000 rw-p 09296000 00:00 0          [heap]
b7b00000-b7b21000 rw-p b7b00000 00:00 0
b7b21000-b7c00000 ---p b7b21000 00:00 0
b7cf8000-b7cfe000 r--s 00000000 03:02 972701
/usr/lib/gconv/gconv-modules.cache
b7cfe000-b7efe000 r--p 00000000 03:02 910751
/usr/lib/locale/locale-archive
b7efe000-b7f00000 rw-p b7efe000 00:00 0
b7f18000-b7f19000 rw-p b7f18000 00:00 0
bfe03000-bfe19000 rw-p bfe03000 00:00 0          [stack]
caught signal 6: quitting
Aborted
[sharukh@carbon ~]$

-----------------------------------------------

Can someone please explain ?
-- 
Dr. Sharukh K. R. Pavri.  			Homoeopath, Linuxer.
          There are no emotional victims, only volunteers.


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