https://bugs.kde.org/show_bug.cgi?id=388803
Bug ID: 388803
Summary: KTorrent crashes when last torrent is deleted
Product: ktorrent
Version: unspecified
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: joris.guis...@gmail.com
Reporter: nad...@pcsn.net
Target Milestone: ---
Application: ktorrent (5.1.0)
Qt Version: 5.9.2
Frameworks Version: 5.41.0
Operating System: Linux 4.14.11-300.fc27.x86_64 x86_64
Distribution (Platform): Fedora RPMs
-- Information about the crash:
Tried to remove the last existing torrent listed in KTorrent
The crash can be reproduced every time.
-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f91673aa940 (LWP 2457))]
Thread 14 (Thread 0x7f90cf7fe700 (LWP 7968)):
#0 0x00007f915f54243c in __lll_lock_wait_private () from /lib64/libc.so.6
#1 0x00007f915f4a79dc in _int_free () from /lib64/libc.so.6
#2 0x00007f91564a2476 in magazine_cache_push_magazine () from
/lib64/libglib-2.0.so.0
#3 0x00007f91564a25a1 in private_thread_memory_cleanup () from
/lib64/libglib-2.0.so.0
#4 0x00007f915a18a368 in __nptl_deallocate_tsd.part.5 () from
/lib64/libpthread.so.0
#5 0x00007f915a18b75b in start_thread () from /lib64/libpthread.so.0
#6 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 13 (Thread 0x7f90cffff700 (LWP 7967)):
#0 0x00007f915f54243c in __lll_lock_wait_private () from /lib64/libc.so.6
#1 0x00007f915f4a79dc in _int_free () from /lib64/libc.so.6
#2 0x00007f915648b4ae in g_free () from /lib64/libglib-2.0.so.0
#3 0x00007f915a18a368 in __nptl_deallocate_tsd.part.5 () from
/lib64/libpthread.so.0
#4 0x00007f915a18b75b in start_thread () from /lib64/libpthread.so.0
#5 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 12 (Thread 0x7f9118d79700 (LWP 7964)):
#0 0x00007f915f54243c in __lll_lock_wait_private () from /lib64/libc.so.6
#1 0x00007f915f4a79dc in _int_free () from /lib64/libc.so.6
#2 0x00007f91671ef00d in _dl_deallocate_tls () from
/lib64/ld-linux-x86-64.so.2
#3 0x00007f915a18b512 in __free_tcb () from /lib64/libpthread.so.0
#4 0x00007f915a18b8d2 in start_thread () from /lib64/libpthread.so.0
#5 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 11 (Thread 0x7f9116f5a700 (LWP 7963)):
#0 0x00007f915f54243c in __lll_lock_wait_private () from /lib64/libc.so.6
#1 0x00007f915f5ab264 in tcache_thread_freeres () from /lib64/libc.so.6
#2 0x00007f915f5abb92 in __libc_thread_freeres () from /lib64/libc.so.6
#3 0x00007f915a18b640 in start_thread () from /lib64/libpthread.so.0
#4 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 10 (Thread 0x7f9116759700 (LWP 7962)):
#0 0x00007f915f54243c in __lll_lock_wait_private () from /lib64/libc.so.6
#1 0x00007f915f5ab264 in tcache_thread_freeres () from /lib64/libc.so.6
#2 0x00007f915f5abb92 in __libc_thread_freeres () from /lib64/libc.so.6
#3 0x00007f915a18b640 in start_thread () from /lib64/libpthread.so.0
#4 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 9 (Thread 0x7f9114c52700 (LWP 2506)):
#0 0x00007f915a191c4b in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007f91601962eb in QWaitCondition::wait(QMutex*, unsigned long) () from
/lib64/libQt5Core.so.5
#2 0x00007f9166bea523 in net::ReverseResolverThread::run() () from
/lib64/libKF5Torrent.so.6
#3 0x00007f9160195b92 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#4 0x00007f915a18b61b in start_thread () from /lib64/libpthread.so.0
#5 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 8 (Thread 0x7f9115453700 (LWP 2505)):
#0 0x00007f915f4f7ad0 in nanosleep () from /lib64/libc.so.6
#1 0x00007f9160391c2d in qt_nanosleep(timespec) () from /lib64/libQt5Core.so.5
#2 0x00007f9166be7778 in net::UploadThread::update() () from
/lib64/libKF5Torrent.so.6
#3 0x00007f9166be7d19 in net::NetworkThread::run() () from
/lib64/libKF5Torrent.so.6
#4 0x00007f9160195b92 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007f915a18b61b in start_thread () from /lib64/libpthread.so.0
#6 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 7 (Thread 0x7f9115c54700 (LWP 2504)):
#0 0x00007f915f4f7ad0 in nanosleep () from /lib64/libc.so.6
#1 0x00007f9160391c2d in qt_nanosleep(timespec) () from /lib64/libQt5Core.so.5
#2 0x00007f9166be7cd8 in net::DownloadThread::update() () from
/lib64/libKF5Torrent.so.6
#3 0x00007f9166be7d19 in net::NetworkThread::run() () from
/lib64/libKF5Torrent.so.6
#4 0x00007f9160195b92 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007f915a18b61b in start_thread () from /lib64/libpthread.so.0
#6 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 6 (Thread 0x7f9127fff700 (LWP 2497)):
#0 0x00007f9156484da9 in g_main_context_acquire () from
/lib64/libglib-2.0.so.0
#1 0x00007f9156485d95 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2 0x00007f9156485fec in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3 0x00007f916039235b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4 0x00007f91603400ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5 0x00007f91601918ba in QThread::exec() () from /lib64/libQt5Core.so.5
#6 0x00007f9160195b92 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#7 0x00007f915a18b61b in start_thread () from /lib64/libpthread.so.0
#8 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 5 (Thread 0x7f913daca700 (LWP 2492)):
#0 0x00007f915f54243c in __lll_lock_wait_private () from /lib64/libc.so.6
#1 0x00007f915f4ad9be in realloc () from /lib64/libc.so.6
#2 0x00007f9160196609 in QArrayData::reallocateUnaligned(QArrayData*, unsigned
long, unsigned long, QFlags<QArrayData::AllocationOption>) () from
/lib64/libQt5Core.so.5
#3 0x00007f9160202d1a in QString::reallocData(unsigned int, bool) () from
/lib64/libQt5Core.so.5
#4 0x00007f9160202da5 in QString::resize(int) () from /lib64/libQt5Core.so.5
#5 0x00007f9160208709 in QString::vasprintf(char const*, __va_list_tag*) ()
from /lib64/libQt5Core.so.5
#6 0x00007f9160181d2b in qt_message(QtMsgType, QMessageLogContext const&, char
const*, __va_list_tag*) () from /lib64/libQt5Core.so.5
#7 0x00007f9160182add in QMessageLogger::warning(char const*, ...) const ()
from /lib64/libQt5Core.so.5
#8 0x00007f91603921c9 in socketNotifierSourceCheck(_GSource*) () from
/lib64/libQt5Core.so.5
#9 0x00007f9156485909 in g_main_context_check () from /lib64/libglib-2.0.so.0
#10 0x00007f9156485e80 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#11 0x00007f9156485fec in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#12 0x00007f916039233f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#13 0x00007f91603400ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#14 0x00007f91601918ba in QThread::exec() () from /lib64/libQt5Core.so.5
#15 0x00007f91616b2479 in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#16 0x00007f9160195b92 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#17 0x00007f915a18b61b in start_thread () from /lib64/libpthread.so.0
#18 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x7f913e4e7700 (LWP 2491)):
#0 0x00007f915f52736b in poll () from /lib64/libc.so.6
#1 0x00007f9156485ed9 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2 0x00007f9156486272 in g_main_loop_run () from /lib64/libglib-2.0.so.0
#3 0x00007f9142101b36 in gdbus_shared_thread_func () from
/lib64/libgio-2.0.so.0
#4 0x00007f91564ad4c6 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5 0x00007f915a18b61b in start_thread () from /lib64/libpthread.so.0
#6 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x7f913ece8700 (LWP 2490)):
#0 0x00007f915f522888 in read () from /lib64/libc.so.6
#1 0x00007f91564ca0e0 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2 0x00007f91564859e8 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3 0x00007f9156485e80 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#4 0x00007f9156485fec in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#5 0x00007f9156486031 in glib_worker_main () from /lib64/libglib-2.0.so.0
#6 0x00007f91564ad4c6 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#7 0x00007f915a18b61b in start_thread () from /lib64/libpthread.so.0
#8 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7f913f4e9700 (LWP 2489)):
#0 0x00007f915f52736b in poll () from /lib64/libc.so.6
#1 0x00007f9156485ed9 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2 0x00007f9156485fec in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3 0x00007f913f4f142d in dconf_gdbus_worker_thread () from
/usr/lib64/gio/modules/libdconfsettings.so
#4 0x00007f91564ad4c6 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5 0x00007f915a18b61b in start_thread () from /lib64/libpthread.so.0
#6 0x00007f915f53391f in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7f91673aa940 (LWP 2457)):
[KCrash Handler]
#6 0x00007f915f4a4c2f in malloc_consolidate.part () from /lib64/libc.so.6
#7 0x00007f915f4a93d8 in _int_malloc () from /lib64/libc.so.6
#8 0x00007f915f4aca0d in malloc () from /lib64/libc.so.6
#9 0x00007f9160196552 in QArrayData::allocate(unsigned long, unsigned long,
unsigned long, QFlags<QArrayData::AllocationOption>) () from
/lib64/libQt5Core.so.5
#10 0x00007f9160202c94 in QString::reallocData(unsigned int, bool) () from
/lib64/libQt5Core.so.5
#11 0x00007f9160204e68 in QString::replace(QChar, QChar, Qt::CaseSensitivity)
() from /lib64/libQt5Core.so.5
#12 0x00007f9161210e5d in
QAbstractItemDelegatePrivate::textForRole(Qt::ItemDataRole, QVariant const&,
QLocale const&, int) const () from /lib64/libQt5Widgets.so.5
#13 0x00007f916121827f in QStyledItemDelegate::displayText(QVariant const&,
QLocale const&) const () from /lib64/libQt5Widgets.so.5
#14 0x00007f9161219ebe in
QStyledItemDelegate::initStyleOption(QStyleOptionViewItem*, QModelIndex const&)
const () from /lib64/libQt5Widgets.so.5
#15 0x00007f916121892c in QStyledItemDelegate::paint(QPainter*,
QStyleOptionViewItem const&, QModelIndex const&) const () from
/lib64/libQt5Widgets.so.5
#16 0x00007f916125af02 in QTreeView::drawRow(QPainter*, QStyleOptionViewItem
const&, QModelIndex const&) const () from /lib64/libQt5Widgets.so.5
#17 0x00007f91612605ed in QTreeView::drawTree(QPainter*, QRegion const&) const
() from /lib64/libQt5Widgets.so.5
#18 0x00007f9161264f75 in QTreeView::paintEvent(QPaintEvent*) () from
/lib64/libQt5Widgets.so.5
#19 0x00007f9160fe8e28 in QWidget::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#20 0x00007f9161089d5e in QFrame::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#21 0x00007f91611fe0bb in QAbstractItemView::viewportEvent(QEvent*) () from
/lib64/libQt5Widgets.so.5
#22 0x00007f9161265e8c in QTreeView::viewportEvent(QEvent*) () from
/lib64/libQt5Widgets.so.5
#23 0x00007f91603410fc in
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) ()
from /lib64/libQt5Core.so.5
#24 0x00007f9160faa685 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#25 0x00007f9160fb1ef4 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#26 0x00007f9160341367 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#27 0x00007f9160fe1f2a in QWidgetPrivate::sendPaintEvent(QRegion const&) ()
from /lib64/libQt5Widgets.so.5
#28 0x00007f9160fe24ea in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from
/lib64/libQt5Widgets.so.5
#29 0x00007f9160fb9be0 in QWidgetBackingStore::doSync() () from
/lib64/libQt5Widgets.so.5
#30 0x00007f9160fb9e85 in QWidgetBackingStore::sync() () from
/lib64/libQt5Widgets.so.5
#31 0x00007f9160fd14bf in QWidgetPrivate::syncBackingStore() () from
/lib64/libQt5Widgets.so.5
#32 0x00007f9160fe8f98 in QWidget::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#33 0x00007f91610fc95b in QMainWindow::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#34 0x00007f916500f0c7 in KMainWindow::event(QEvent*) () from
/lib64/libKF5XmlGui.so.5
#35 0x00007f9165053e75 in KXmlGuiWindow::event(QEvent*) () from
/lib64/libKF5XmlGui.so.5
#36 0x00007f9160faa6ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#37 0x00007f9160fb1ef4 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#38 0x00007f9160341367 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#39 0x00007f9160343aeb in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib64/libQt5Core.so.5
#40 0x00007f9160392553 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /lib64/libQt5Core.so.5
#41 0x00007f9156485bb7 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#42 0x00007f9156485f60 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#43 0x00007f9156485fec in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#44 0x00007f916039233f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#45 0x00007f91603400ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#46 0x00007f9160348744 in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#47 0x0000557e1178a12a in main ()
Possible duplicates by query: bug 387754.
Reported using DrKonqi
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