malloc glibc detected

С чем может связано падение indexer? Либо как избежать падений?
Ос CentOS 5.4
dpsearch-4.54-19052010

*** glibc detected *** /indexer:[1] URL:http://vidoc.com.ua/2010/01/31/yahoo-messenger-10001102-portable.html: malloc(): smallbin double linked list corrupted: 0x0000000020397550 ***
======= Backtrace: =========
/lib64/libc.so.6[0x32b16739ac]
/lib64/libc.so.6(__libc_malloc+0x6e)[0x32b1674cde]
/usr/local/ProBCE.NET/lib/libdpsearch-4.so(_DpsStrdup+0x42)[0x2b11226d3a9e]
/usr/local/ProBCE.NET/lib/libdpsearch-4.so(DpsURLParse+0x254)[0x2b11226942c6]
/usr/local/ProBCE.NET/lib/libdpsearch-4.so(DpsHrefCheck+0x77)[0x2b1122689eba]
/usr/local/ProBCE.NET/lib/libdpsearch-4.so(DpsConvertHref+0x106)[0x2b112268aded]
/usr/local/ProBCE.NET/lib/libdpsearch-4.so[0x2b112268af41]
/usr/local/ProBCE.NET/lib/libdpsearch-4.so(DpsDocStoreHrefs+0x42)[0x2b112268b019]
/usr/local/ProBCE.NET/lib/libdpsearch-4.so(DpsIndexNextURL+0x1d50)[0x2b1122693b65]
/indexer:[1] URL:http://vidoc.com.ua/2010/01/31/yahoo-messenger-10001102-portable.html[0x4...
/lib64/libpthread.so.0[0x32b220673d]
/lib64/libc.so.6(clone+0x6d)[0x32b16d3d1d]
======= Memory map: ========
00400000-0040a000 r-xp 00000000 fd:00 11471746 /usr/local/ProBCE.NET/sbin/indexer
00609000-0060c000 rw-p 00009000 fd:00 11471746 /usr/local/ProBCE.NET/sbin/indexer
0060c000-00643000 rw-p 0060c000 00:00 0
1e203000-2494a000 rw-p 1e203000 00:00 0 [heap]
.......................................................................00 12321019 /lib64/libnss_files-2.5.so
2b1123203000-2b112330b000 rw-p 2b1123203000 00:00 0
7fffbf6ea000-7fffbf6ff000 rw-p 7ffffffea000 00:00 0 [stack]
ffffffffff600000-ffffffffffe00000 ---p 00000000 00:00 0 [vdso]
Aborted