Application: ktorrent (5.1.2)

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.4.0-54-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed: - Removing unfinished stopped torrent. It crashed after removing the last stopped torrent.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f99b175b800 (LWP 5677))]

Thread 10 (Thread 0x7f99877fe700 (LWP 5696)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55841fc2d3a4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55841fc2d350, cond=0x55841fc2d378) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55841fc2d378, mutex=0x55841fc2d350) at pthread_cond_wait.c:638
#3  0x00007f99b5ebbb0f in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f99b5ebbc01 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f99b7d38a59 in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#6  0x00007f99b5eb59d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f99b4e50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f99b59dc293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f9987fff700 (LWP 5695)):
#0  0x00007f99b59cfaff in __GI___poll (fds=0x5584202537c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f99b7d39070 in net::Poll::poll(int) () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#2  0x00007f99b7d35ab2 in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#3  0x00007f99b7d35b4a in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#4  0x00007f99b7d36329 in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#5  0x00007f99b5eb59d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f99b4e50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f99b59dc293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f99989be700 (LWP 5694)):
#0  0x00007f99b59cfaff in __GI___poll (fds=0x7f997c003e00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f99b7d39070 in net::Poll::poll(int) () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#2  0x00007f99b7d36042 in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#3  0x00007f99b7d360da in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#4  0x00007f99b7d36329 in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#5  0x00007f99b5eb59d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f99b4e50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f99b59dc293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f99992eb700 (LWP 5686)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55841f4d9e68) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55841f4d9e18, cond=0x55841f4d9e40) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55841f4d9e40, mutex=0x55841f4d9e18) at pthread_cond_wait.c:638
#3  0x00007f999edfe62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f999edfe23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f99b4e50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f99b59dc293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f9999aec700 (LWP 5685)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55841f4d9e68) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55841f4d9e18, cond=0x55841f4d9e40) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55841f4d9e40, mutex=0x55841f4d9e18) at pthread_cond_wait.c:638
#3  0x00007f999edfe62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f999edfe23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f99b4e50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f99b59dc293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f999a2ed700 (LWP 5684)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55841f4d9e68) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55841f4d9e18, cond=0x55841f4d9e40) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55841f4d9e40, mutex=0x55841f4d9e18) at pthread_cond_wait.c:638
#3  0x00007f999edfe62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f999edfe23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f99b4e50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f99b59dc293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f99aca75700 (LWP 5683)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55841f4d9e68) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55841f4d9e18, cond=0x55841f4d9e40) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55841f4d9e40, mutex=0x55841f4d9e18) at pthread_cond_wait.c:638
#3  0x00007f999edfe62b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f999edfe23b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f99b4e50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f99b59dc293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f99ae7d3700 (LWP 5682)):
#0  0x00007f99b59cfaff in __GI___poll (fds=0x7f99a40025e0, nfds=1, timeout=9615) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f99b458f1ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f99b458f2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f99b60d5583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f99b607c4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f99b5eb4785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f99b5eb59d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f99b4e50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f99b59dc293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f99afa07700 (LWP 5681)):
#0  0x00007f99b59cfaff in __GI___poll (fds=0x7f99a001d0b0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f99b458f1ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f99b458f2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f99b60d5583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f99b607c4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f99b5eb4785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f99b6fdfefa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f99b5eb59d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f99b4e50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f99b59dc293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f99b175b800 (LWP 5677)):
[KCrash Handler]
#6  0x000055841d40a8a3 in ?? ()
#7  0x00007f99b6d2a8b8 in QStyledItemDelegate::initStyleOption(QStyleOptionViewItem*, QModelIndex const&) const () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f99b6d29e87 in QStyledItemDelegate::sizeHint(QStyleOptionViewItem const&, QModelIndex const&) const () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f99b6d71493 in QTreeView::indexRowSizeHint(QModelIndex const&) const () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007f99b6d71f1c in QTreeViewPrivate::layout(int, bool, bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f99b6d79df1 in QTreeView::doItemsLayout() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f99b6d743e5 in QTreeViewPrivate::updateScrollBars() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f99b6d7b9d7 in QTreeView::updateGeometries() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f99b6ada947 in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f99b6b87d52 in QFrame::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f99b6d0c482 in QAbstractItemView::viewportEvent(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f99b6d7a62f in QTreeView::viewportEvent(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f99b607d64b in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f99b6a97a55 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f99b6aa10f0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f99b607d93a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f99b6ad2e6e in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f99b6ad6bd7 in QWidgetPrivate::show_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f99b6ad9d6b in QWidgetPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f99b6ad6b61 in QWidgetPrivate::showChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f99b6ad6bf3 in QWidgetPrivate::show_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f99b6ad9d6b in QWidgetPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f99b6ad6b61 in QWidgetPrivate::showChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f99b6ad6bf3 in QWidgetPrivate::show_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f99b6ad9d6b in QWidgetPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f99b6abdca4 in QStackedLayout::setCurrentIndex(int) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007f99b6abdf4d in QStackedLayout::setCurrentWidget(QWidget*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f99b6c4c379 in QStackedWidget::setCurrentWidget(QWidget*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f99b7ef62b1 in kt::TabBarWidget::onActionTriggered(QAction*) () from /lib/x86_64-linux-gnu/libktcore.so.16
#35 0x00007f99b60a9458 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f99b7ec09c3 in ?? () from /lib/x86_64-linux-gnu/libktcore.so.16
#37 0x00007f99b60a9458 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f99b6a91466 in QAction::toggled(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007f99b6a93957 in QAction::setChecked(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007f99b7ef594f in ?? () from /lib/x86_64-linux-gnu/libktcore.so.16
#41 0x00007f99b60a9458 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007f99b6a91466 in QAction::toggled(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007f99b6a93957 in QAction::setChecked(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#44 0x00007f99b7ef594f in ?? () from /lib/x86_64-linux-gnu/libktcore.so.16
#45 0x00007f99b60a9458 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#46 0x00007f99b6a91466 in QAction::toggled(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007f99b6a93957 in QAction::setChecked(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#48 0x00007f99b6a93a7a in QAction::activate(QAction::ActionEvent) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#49 0x00007f99b6b8de10 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#50 0x00007f99b6b8e035 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#51 0x00007f99b6c815fe in QToolButton::mouseReleaseEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#52 0x00007f99b6ada2b6 in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#53 0x00007f99b6c816a8 in QToolButton::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#54 0x00007f99b6a97a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#55 0x00007f99b6aa1343 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#56 0x00007f99b607d93a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x00007f99b6aa0457 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#58 0x00007f99b6af635d in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#59 0x00007f99b6af91ec in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#60 0x00007f99b6a97a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#61 0x00007f99b6aa10f0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#62 0x00007f99b607d93a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#63 0x00007f99b64687d3 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#64 0x00007f99b646a10b in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#65 0x00007f99b644435b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#66 0x00007f99b0e3232e in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#67 0x00007f99b458efbd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#68 0x00007f99b458f240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#69 0x00007f99b458f2e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#70 0x00007f99b60d5565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#71 0x00007f99b607c4db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#72 0x00007f99b6084246 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#73 0x000055841d3caa8a in ?? ()
#74 0x00007f99b58e10b3 in __libc_start_main (main=0x55841d3c8710, argc=2, argv=0x7ffe9d26fed8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe9d26fec8) at ../csu/libc-start.c:308
#75 0x000055841d3cb65e in _start ()
[Inferior 1 (process 5677) detached]

Possible duplicates by query: bug 423523, bug 422071, bug 419693, bug 419571, bug 419367.

Reported using DrKonqi