Version:            (using KDE 4.4.2)
Compiler:          gcc (GCC) 4.4.3 20100316 
OS:                Linux
Installed from:    Archlinux Packages

gdb output from core file analysis:
------
Core was generated by `/usr/bin/nepomukservicestub nepomukstrigiservice'.
Program terminated with signal 8, Arithmetic exception.
#0  0xb6544073 in __udivmoddi4 () from /lib/libc.so.6

(gdb) bt
#0  0xb6544073 in __udivmoddi4 () from /lib/libc.so.6
#1  0xb65442f8 in __divdi3_internal () from /lib/libc.so.6
#2  0xb51087cd in FlacEndAnalyzer::analyze (this=0xb2b68fb8, indexable=..., in=0x9c10320)
    at /home/georg/pacman/strigi/src/strigi-0.7.2/src/streamanalyzer/endanalyzers/flacendanalyzer.cpp:288
#3  0xb50ff68a in Strigi::StreamAnalyzerPrivate::analyze (this=0xb2b01de0, idx=..., input=0x9c10320)
    at /home/georg/pacman/strigi/src/strigi-0.7.2/src/streamanalyzer/streamanalyzer.cpp:421
#4  0xb50d8dad in Strigi::AnalysisResult::index (this=0xb34d4e08, file=0xb34d4da4) at /home/georg/pacman/strigi/src/strigi-0.7.2/src/streamanalyzer/analysisresult.cpp:233
#5  0xb4d44b74 in Nepomuk::IndexScheduler::analyzeFile(QFileInfo const&, Strigi::StreamAnalyzer*) () from /usr/lib/kde4/nepomukstrigiservice.so
#6  0xb4d45e63 in Nepomuk::IndexScheduler::updateDir(QString const&, Strigi::StreamAnalyzer*, QFlags<Nepomuk::IndexScheduler::UpdateDirFlag>) ()
   from /usr/lib/kde4/nepomukstrigiservice.so
#7  0xb4d460a5 in Nepomuk::IndexScheduler::updateDir(QString const&, Strigi::StreamAnalyzer*, QFlags<Nepomuk::IndexScheduler::UpdateDirFlag>) ()
   from /usr/lib/kde4/nepomukstrigiservice.so
#8  0xb4d460a5 in Nepomuk::IndexScheduler::updateDir(QString const&, Strigi::StreamAnalyzer*, QFlags<Nepomuk::IndexScheduler::UpdateDirFlag>) ()
   from /usr/lib/kde4/nepomukstrigiservice.so
#9  0xb4d47c3b in Nepomuk::IndexScheduler::run() () from /usr/lib/kde4/nepomukstrigiservice.so
#10 0xb758727e in ?? () from /usr/lib/libQtCore.so.4
#11 0xb751494c in start_thread () from /lib/libpthread.so.0
#12 0xb65faeae in clone () from /lib/libc.so.6

(gdb) select-frame 2
(gdb) info locals
buf = 0xacbff0a0 ""
blocktype = -127 '\201'
nreq = 0
duration = 0
in_size = <value optimized out>
nread = <value optimized out>
blocksize = 4064
albumArtNum = 0 '\000'
-----

Source code in flacendanalyzer.cpp:288:
    if(in_size>=0)
      indexable.addValue(factory->bitRateField,(uint32_t)(8*((in_size-in->position())/duration)));


If duration is 0 then this will result in a division by zero.