Bug 415645

Application: ktorrent (5.1.2)

Qt Version: 5.12.5
Frameworks Version: 5.65.0
Operating System: Linux 5.3.0-24-generic x86_64
Distribution: Ubuntu Focal Fossa (development branch)

-- Information about the crash:
<Напишите подробно, что вы делали, когда произошла ошибка.>

The crash can be reproduced every time.

-- 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 0x7fa3196c9800 (LWP 3126))]

Thread 4 (Thread 0x7fa2f0fe9700 (LWP 3588)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x56275b2521b0) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56275b252160, cond=0x56275b252188) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56275b252188, mutex=0x56275b252160) at pthread_cond_wait.c:638
#3  0x00007fa31dd24b7f in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa31dd24c71 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa31fb9adb9 in ?? () from /lib/x86_64-linux-gnu/libKF5Torrent.so.6
#6  0x00007fa31dd1ea42 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa31ccb5669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#8  0x00007fa31d83a333 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fa311f96700 (LWP 3138)):
#0  0x00007fa31c420027 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa31c421a1f in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa31c422072 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa31c422203 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa31df3d943 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa31dee48bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa31dd1d7f5 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa31dd1ea42 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa31ccb5669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#9  0x00007fa31d83a333 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fa3139d5700 (LWP 3136)):
#0  0x00007fa31c46ed4d in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa31c42165a in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa31c421ffb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa31c422203 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa31df3d943 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa31dee48bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa31dd1d7f5 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fa31ee44efa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fa31dd1ea42 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fa31ccb5669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#10 0x00007fa31d83a333 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fa3196c9800 (LWP 3126)):
[KCrash Handler]
#6  0x00007fa31df23861 in QVariant::QVariant(QString const&) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x0000562759620f2c in ?? ()
#8  0x0000562759622f1d in ?? ()
#9  0x00007fa31eb8f648 in QStyledItemDelegate::initStyleOption(QStyleOptionViewItem*, QModelIndex const&) const () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007fa31eb8ec17 in QStyledItemDelegate::sizeHint(QStyleOptionViewItem const&, QModelIndex const&) const () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x0000562759626918 in ?? ()
#12 0x0000562759626ae8 in ?? ()
#13 0x00007fa31ebd6223 in QTreeView::indexRowSizeHint(QModelIndex const&) const () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007fa31ebd77a1 in QTreeViewPrivate::itemHeight(int) const () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fa31ebd90de in QTreeViewPrivate::updateScrollBars() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fa31ebe0767 in QTreeView::updateGeometries() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007fa31eb6d360 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007fa31df116e8 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fa31eb82010 in QHeaderView::viewportEvent(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fa31dee5a2b in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fa31e8fca55 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007fa31e9060e0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007fa31dee5d1a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fa31e93a313 in QWidgetPrivate::hideChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007fa31e93a300 in QWidgetPrivate::hideChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fa31e93a300 in QWidgetPrivate::hideChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007fa31e93a300 in QWidgetPrivate::hideChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007fa31e93a300 in QWidgetPrivate::hideChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007fa31e93a300 in QWidgetPrivate::hideChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007fa31e93a300 in QWidgetPrivate::hideChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007fa31e93a300 in QWidgetPrivate::hideChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007fa31e93a4ef in QWidgetPrivate::hide_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007fa31e93ef38 in QWidgetPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fa31e93a797 in QWidgetPrivate::close_helper(QWidgetPrivate::CloseMode) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007fa31e93adf0 in QWidget::~QWidget() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007fa31f88fa98 in KMainWindow::~KMainWindow() () from /lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#37 0x00005627595a9ebb in ?? ()
#38 0x00005627595989f2 in ?? ()
#39 0x00007fa31d73f1e3 in __libc_start_main (main=0x562759596670, argc=3, argv=0x7ffd97b1a968, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd97b1a958) at ../csu/libc-start.c:308
#40 0x00005627595995be in _start ()
[Inferior 1 (process 3126) detached]