Application: konqueror (4.4.00 (KDE 4.4.0))
KDE Platform Version: 4.4.00 (KDE 4.4.0)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-ARCH i686
Distribution (Platform): Archlinux Packages

-- Information about the crash:
Konqueror crashes after selecting "duplicate tab" from Window menu

The crash can be reproduced every time.

 -- Backtrace:
Application: Konqueror (kdeinit4), signal: Aborted
[Current thread is 1 (Thread 0xb546a700 (LWP 12167))]

Thread 4 (Thread 0xafc80b70 (LWP 12168)):
#0  0xb784d424 in __kernel_vsyscall ()
#1  0xb6bdce55 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb4238047 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0xb4238091 in ?? () from /usr/lib/libQtWebKit.so.4
#4  0xb6bd88ac in start_thread () from /lib/libpthread.so.0
#5  0xb600b01e in clone () from /lib/libc.so.6

Thread 3 (Thread 0xb1112b70 (LWP 12170)):
#0  0xb784d424 in __kernel_vsyscall ()
#1  0xb6bdd182 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb6c4c13f in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0xb6c40edb in ?? () from /usr/lib/libQtCore.so.4
#4  0xb6c4b27e in ?? () from /usr/lib/libQtCore.so.4
#5  0xb6bd88ac in start_thread () from /lib/libpthread.so.0
#6  0xb600b01e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xaeef9b70 (LWP 12180)):
#0  0xb784d424 in __kernel_vsyscall ()
#1  0xb6bdd182 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb6c4c13f in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0xb6c40edb in ?? () from /usr/lib/libQtCore.so.4
#4  0xb6c4b27e in ?? () from /usr/lib/libQtCore.so.4
#5  0xb6bd88ac in start_thread () from /lib/libpthread.so.0
#6  0xb600b01e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb546a700 (LWP 12167)):
[KCrash Handler]
#6  0xb784d424 in __kernel_vsyscall ()
#7  0xb5f67571 in raise () from /lib/libc.so.6
#8  0xb5f68d72 in abort () from /lib/libc.so.6
#9  0xb5fa2d95 in __libc_message () from /lib/libc.so.6
#10 0xb5fa8c31 in malloc_printerr () from /lib/libc.so.6
#11 0xb5faa488 in _int_free () from /lib/libc.so.6
#12 0xb5fad53d in free () from /lib/libc.so.6
#13 0xb6c45a2d in qFree(void*) () from /usr/lib/libQtCore.so.4
#14 0xb6c4e8ba in QByteArray::resize(int) () from /usr/lib/libQtCore.so.4
#15 0xb6cd30d8 in QFile::flush() () from /usr/lib/libQtCore.so.4
#16 0xb6cee3d9 in ?? () from /usr/lib/libQtCore.so.4
#17 0xb6cef612 in flush(QTextStream&) () from /usr/lib/libQtCore.so.4
#18 0xb6cef64c in endl(QTextStream&) () from /usr/lib/libQtCore.so.4
#19 0xb77debfa in KLockFile::lock(QFlags<KLockFile::LockFlag>) () from /usr/lib/libkdecore.so.5
#20 0xb70befb9 in KPixmapCache::find(QString const&, QPixmap&) () from /usr/lib/libkdeui.so.5
#21 0xb6ffc42b in KIconCache::find(QString const&, QPixmap&) () from /usr/lib/libkdeui.so.5
#22 0xb6ffd270 in KIconCache::find(QString const&, QPixmap&, QString*) () from /usr/lib/libkdeui.so.5
#23 0xb6feff0b in KIconLoader::loadIcon(QString const&, KIconLoader::Group, int, int, QStringList const&, QString*, bool) const () from /usr/lib/libkdeui.so.5
#24 0xb6ff1b00 in UserIcon(QString const&, int, QStringList const&) () from /usr/lib/libkdeui.so.5
#25 0xb370885f in KonqFrameStatusBar::updateActiveStatus() () from /usr/lib/libkdeinit4_konqueror.so
#26 0xb36f8ae0 in KonqViewManager::viewCountChanged() () from /usr/lib/libkdeinit4_konqueror.so
#27 0xb36ff9b3 in KonqViewManager::loadRootItem(KConfigGroup const&, KonqFrameContainerBase*, KUrl const&, bool, KUrl const&, bool, int) () from /usr/lib/libkdeinit4_konqueror.so
#28 0xb3701726 in KonqViewManager::duplicateTab(KonqFrameBase*, bool) () from /usr/lib/libkdeinit4_konqueror.so
#29 0xb372b1f9 in KonqMainWindow::slotDuplicateTab() () from /usr/lib/libkdeinit4_konqueror.so
#30 0xb374fa58 in KonqMainWindow::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeinit4_konqueror.so
#31 0xb6d51eba in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#32 0xb6d6047f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#33 0xb6293de9 in QAction::triggered(bool) () from /usr/lib/libQtGui.so.4
#34 0xb6295fdc in QAction::activate(QAction::ActionEvent) () from /usr/lib/libQtGui.so.4
#35 0xb672f44c in ?? () from /usr/lib/libQtGui.so.4
#36 0xb673591b in ?? () from /usr/lib/libQtGui.so.4
#37 0xb6736927 in QMenu::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#38 0xb7121915 in KMenu::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libkdeui.so.5
#39 0xb62f8138 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#40 0xb6737f1c in QMenu::event(QEvent*) () from /usr/lib/libQtGui.so.4
#41 0xb629a5dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#42 0xb62a1dcf in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#43 0xb702ce1a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#44 0xb6d4ccbb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#45 0xb62a0af7 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#46 0xb632b43a in ?? () from /usr/lib/libQtGui.so.4
#47 0xb632a4d3 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#48 0xb6356f82 in ?? () from /usr/lib/libQtGui.so.4
#49 0xb5a8c378 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#50 0xb5a8fbf0 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#51 0xb5a8fd23 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#52 0xb6d785d5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#53 0xb6356ae5 in ?? () from /usr/lib/libQtGui.so.4
#54 0xb6d4b2f9 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#55 0xb6d4b74a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#56 0xb6d4f8bf in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#57 0xb629a677 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#58 0xb377b40f in kdemain () from /usr/lib/libkdeinit4_konqueror.so
#59 0x0804db12 in _start ()

Reported using DrKonqi