[Bug 112401] crash comparing two large directories

[b.heesakkers at gmail.com]

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http://bugs.kde.org/show_bug.cgi?id=112401         




------- Additional Comments From b.heesakkers gmail com  2006-07-05 19:49 -------
I've got exactly the same problem.
Running Debian GNU/Linux Testing with KDE and Gnome ( crashes on both Window Managers ). 

Versions:
Qt: 3.3.6
KDE: 3.5.3
Kompare: 3.4.1

When I try to compare two very large directories, first diff is active, then suddenly Kompare starts to eat memory. It keeps eating memory untill it's 2 GB big, and then it crashes. 

These are the results of the debug program:

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Using host libthread_db library "/lib/tls/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread -1233987232 (LWP 9724)]
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[KCrash handler]
#5  0xb67927c7 in raise () from /lib/tls/libc.so.6
#6  0xb679406b in abort () from /lib/tls/libc.so.6
#7  0xb6987644 in __gnu_cxx::__verbose_terminate_handler ()
   from /usr/lib/libstdc++.so.6
#8  0xb6985035 in std::set_unexpected () from /usr/lib/libstdc++.so.6
#9  0xb6985072 in std::terminate () from /usr/lib/libstdc++.so.6
#10 0xb69851aa in __cxa_throw () from /usr/lib/libstdc++.so.6
#11 0xb69855eb in operator new () from /usr/lib/libstdc++.so.6
#12 0xb69856bd in operator new[] () from /usr/lib/libstdc++.so.6
#13 0xb6302415 in Diff2::LevenshteinTable::LevenshteinTable ()
   from /usr/lib/kde3/libkomparepart.so
#14 0xb63018f2 in Diff2::Difference::Difference ()
   from /usr/lib/kde3/libkomparepart.so
#15 0xb63072b7 in Diff2::ParserBase::parseUnifiedHunkBody ()
   from /usr/lib/kde3/libkomparepart.so
#16 0xb6303f69 in Diff2::ParserBase::parseUnified ()
   from /usr/lib/kde3/libkomparepart.so
#17 0xb6303b65 in Diff2::ParserBase::parse ()
   from /usr/lib/kde3/libkomparepart.so
#18 0xb630350e in Diff2::Parser::parse () from /usr/lib/kde3/libkomparepart.so
#19 0xb62fba54 in Diff2::KompareModelList::parseDiffOutput ()
   from /usr/lib/kde3/libkomparepart.so
#20 0xb62fcd48 in Diff2::KompareModelList::slotDiffProcessFinished ()
   from /usr/lib/kde3/libkomparepart.so
#21 0xb62fdd2f in Diff2::KompareModelList::qt_invoke ()
   from /usr/lib/kde3/libkomparepart.so
#22 0xb6f6054b in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#23 0xb6f608a1 in QObject::activate_signal_bool () from /usr/lib/libqt-mt.so.3
#24 0xb62f6df1 in KompareProcess::diffHasFinished ()
   from /usr/lib/kde3/libkomparepart.so
#25 0xb62f6edf in KompareProcess::slotProcessExited ()
   from /usr/lib/kde3/libkomparepart.so
#26 0xb62f7f90 in KompareProcess::qt_invoke ()
   from /usr/lib/kde3/libkomparepart.so
#27 0xb6f6054b in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#28 0xb75dde42 in KProcess::processExited () from /usr/lib/libkdecore.so.4
#29 0xb75ddeaf in KProcess::processHasExited () from /usr/lib/libkdecore.so.4
#30 0xb75d7730 in KProcessController::slotDoHousekeeping ()
   from /usr/lib/libkdecore.so.4
#31 0xb75d7852 in KProcessController::qt_invoke ()
   from /usr/lib/libkdecore.so.4
#32 0xb6f6054b in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#33 0xb6f60e52 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#34 0xb72f2f7f in QSocketNotifier::activated () from /usr/lib/libqt-mt.so.3
#35 0xb6f8080a in QSocketNotifier::event () from /usr/lib/libqt-mt.so.3
#36 0xb6ef687a in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#37 0xb6ef6a76 in QApplication::notify () from /usr/lib/libqt-mt.so.3
#38 0xb768a24e in KApplication::notify () from /usr/lib/libkdecore.so.4
#39 0xb6e88001 in QApplication::sendEvent () from /usr/lib/libqt-mt.so.3
#40 0xb6ee8435 in QEventLoop::activateSocketNotifiers ()
   from /usr/lib/libqt-mt.so.3
#41 0xb6e9bd06 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#42 0xb6f0f255 in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#43 0xb6f0f17a in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#44 0xb6ef538d in QApplication::exec () from /usr/lib/libqt-mt.so.3
#45 0x08053fc6 in ?? ()
#46 0xbf923a30 in ?? ()
#47 0x080fa568 in ?? ()
#48 0x00000000 in ?? ()