Application: ktorrent (4.3.0)
KDE Platform Version: 4.9.2
Qt Version: 4.8.3
Operating System: Linux 3.6.5-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:

Simply, drag and drop a torrent from the list of not grouped i torrents in a particular group.

The crash usually occurs when you release the mouse.

The crash can be reproduced some of the time.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ffc0354f780 (LWP 10776))]

Thread 8 (Thread 0x7ffbed3cd700 (LWP 10778)):
#0  0x00007ffbfe54218d in poll () from /usr/lib/libc.so.6
#1  0x00007ffbf9578b34 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffbf9578c54 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffc002fd756 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#4  0x00007ffc002ce31f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#5  0x00007ffc002ce5a8 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x00007ffc001cf7c0 in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007ffc001d279c in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007ffbfff42e0f in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007ffbfe54a31d in clone () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7ffbe225c700 (LWP 10805)):
#0  0x00007ffbfff46954 in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007ffbe5e0937d in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007ffbe5e09489 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x00007ffbfff42e0f in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007ffbfe54a31d in clone () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7ffbe195b700 (LWP 10806)):
#0  0x00007ffbf957874d in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#1  0x00007ffbf9578b98 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007ffbf9578c54 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffc002fd756 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#4  0x00007ffc002ce31f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#5  0x00007ffc002ce5a8 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x00007ffc001cf7c0 in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007ffc001d279c in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007ffbfff42e0f in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007ffbfe54a31d in clone () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7ffbe0ade700 (LWP 10807)):
#0  0x00007fffef5d060c in ?? ()
#1  0x00007fffef5d082c in clock_gettime ()
#2  0x00007ffbf982af8d in clock_gettime () from /usr/lib/librt.so.1
#3  0x00007ffc00228644 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007ffc002fdf5d in ?? () from /usr/lib/libQtCore.so.4
#5  0x00007ffc002fe2a3 in ?? () from /usr/lib/libQtCore.so.4
#6  0x00007ffc002fce0c in ?? () from /usr/lib/libQtCore.so.4
#7  0x00007ffc002fceb5 in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007ffbf95783c8 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#9  0x00007ffbf9578a5b in ?? () from /usr/lib/libglib-2.0.so.0
#10 0x00007ffbf9578c54 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#11 0x00007ffc002fd756 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#12 0x00007ffc002ce31f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#13 0x00007ffc002ce5a8 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#14 0x00007ffc001cf7c0 in QThread::exec() () from /usr/lib/libQtCore.so.4
#15 0x00007ffc002aeadf in ?? () from /usr/lib/libQtCore.so.4
#16 0x00007ffc001d279c in ?? () from /usr/lib/libQtCore.so.4
#17 0x00007ffbfff42e0f in start_thread () from /usr/lib/libpthread.so.0
#18 0x00007ffbfe54a31d in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7ffbdac08700 (LWP 10832)):
#0  0x00007ffbfe54218d in poll () from /usr/lib/libc.so.6
#1  0x00007ffc0305c72c in net::Poll::poll(int) () from /usr/lib/libktorrent.so.5
#2  0x00007ffc03059742 in ?? () from /usr/lib/libktorrent.so.5
#3  0x00007ffc03059846 in ?? () from /usr/lib/libktorrent.so.5
#4  0x00007ffc03059a39 in ?? () from /usr/lib/libktorrent.so.5
#5  0x00007ffc001d279c in ?? () from /usr/lib/libQtCore.so.4
#6  0x00007ffbfff42e0f in start_thread () from /usr/lib/libpthread.so.0
#7  0x00007ffbfe54a31d in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7ffbda407700 (LWP 10833)):
#0  0x00007ffbfff46ce1 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007ffc001d13a6 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007ffc001d1bdd in QThread::msleep(unsigned long) () from /usr/lib/libQtCore.so.4
#3  0x00007ffc030592d8 in ?? () from /usr/lib/libktorrent.so.5
#4  0x00007ffc03059a39 in ?? () from /usr/lib/libktorrent.so.5
#5  0x00007ffc001d279c in ?? () from /usr/lib/libQtCore.so.4
#6  0x00007ffbfff42e0f in start_thread () from /usr/lib/libpthread.so.0
#7  0x00007ffbfe54a31d in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7ffbd9c06700 (LWP 10834)):
#0  0x00007ffbfff46954 in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007ffc001d2cfb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007ffc0305c322 in ?? () from /usr/lib/libktorrent.so.5
#3  0x00007ffc001d279c in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007ffbfff42e0f in start_thread () from /usr/lib/libpthread.so.0
#5  0x00007ffbfe54a31d in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7ffc0354f780 (LWP 10776)):
[KCrash Handler]
#5  kt::GroupViewModel::flags (this=<optimized out>, index=...) at /home/simone/packages/ktorrent/src/ktorrent-4.3.0/ktorrent/groups/groupviewmodel.cpp:161
#6  0x00007ffbff6f0fbd in QAbstractItemView::dragMoveEvent(QDragMoveEvent*) () from /usr/lib/libQtGui.so.4
#7  0x00007ffbff2379ea in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#8  0x00007ffbff5e23f6 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x00007ffbff6ed9eb in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x00007ffbff7321b1 in QTreeView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#11 0x00007ffc002cf736 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#12 0x00007ffbff1e805c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#13 0x00007ffbff1eceb3 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x000000000043b7ee in kt::App::notify (this=0x7fffef41c0b0, receiver=0x3c727e0, event=0x7fffef4184a0) at /home/simone/packages/ktorrent/src/ktorrent-4.3.0/ktorrent/app.cpp:99
#15 0x00007ffc002cf5ce in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#16 0x00007ffbff26f647 in ?? () from /usr/lib/libQtGui.so.4
#17 0x00007ffbff270338 in ?? () from /usr/lib/libQtGui.so.4
#18 0x00007ffbff270c01 in ?? () from /usr/lib/libQtGui.so.4
#19 0x00007ffc002cf69a in QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#20 0x00007ffbff1e8006 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x00007ffbff1ecd6b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0x000000000043b7ee in kt::App::notify (this=0x7fffef41c0b0, receiver=0x3bf8f60, event=0x7fffef418e60) at /home/simone/packages/ktorrent/src/ktorrent-4.3.0/ktorrent/app.cpp:99
#23 0x00007ffc002cf5ce in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#24 0x00007ffbff1e8ecb in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#25 0x00007ffbff263994 in ?? () from /usr/lib/libQtGui.so.4
#26 0x00007ffbff262721 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#27 0x00007ffbff2888b2 in ?? () from /usr/lib/libQtGui.so.4
#28 0x00007ffbf9578865 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#29 0x00007ffbf9578b98 in ?? () from /usr/lib/libglib-2.0.so.0
#30 0x00007ffbf9578c54 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#31 0x00007ffc002fd736 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0x00007ffbff28852e in ?? () from /usr/lib/libQtGui.so.4
#33 0x00007ffc002ce31f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#34 0x00007ffc002ce5a8 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#35 0x00007ffbff2708a6 in ?? () from /usr/lib/libQtGui.so.4
#36 0x00007ffbff1f9518 in QDrag::exec(QFlags<Qt::DropAction>, Qt::DropAction) () from /usr/lib/libQtGui.so.4
#37 0x00007ffbff6f7c87 in QAbstractItemView::startDrag(QFlags<Qt::DropAction>) () from /usr/lib/libQtGui.so.4
#38 0x00007ffbff6f5cd6 in QAbstractItemView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#39 0x00007ffbff237834 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#40 0x00007ffbff5e23f6 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#41 0x00007ffbff6ed9eb in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#42 0x00007ffbff7321b1 in QTreeView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#43 0x00007ffc002cf736 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#44 0x00007ffbff1e805c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#45 0x00007ffbff1ecd6b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#46 0x000000000043b7ee in kt::App::notify (this=0x7fffef41c0b0, receiver=0x1d01b00, event=0x7fffef41a840) at /home/simone/packages/ktorrent/src/ktorrent-4.3.0/ktorrent/app.cpp:99
#47 0x00007ffc002cf5ce in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#48 0x00007ffbff1e8ecb in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#49 0x00007ffbff263994 in ?? () from /usr/lib/libQtGui.so.4
#50 0x00007ffbff262721 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#51 0x00007ffbff2888b2 in ?? () from /usr/lib/libQtGui.so.4
#52 0x00007ffbf9578865 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#53 0x00007ffbf9578b98 in ?? () from /usr/lib/libglib-2.0.so.0
#54 0x00007ffbf9578c54 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#55 0x00007ffc002fd756 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#56 0x00007ffbff28852e in ?? () from /usr/lib/libQtGui.so.4
#57 0x00007ffc002ce31f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#58 0x00007ffc002ce5a8 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#59 0x00007ffc002d3248 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#60 0x0000000000428743 in main (argc=5, argv=0x7fffef41c1e8) at /home/simone/packages/ktorrent/src/ktorrent-4.3.0/ktorrent/main.cpp:186

Reported using DrKonqi