[k3b] [Bug 424646] New: K3b crashed when looking up CDDB mirrors

bugzilla_noreply at kde.org bugzilla_noreply at kde.org
Sat Jul 25 13:26:09 BST 2020 

https://bugs.kde.org/show_bug.cgi?id=424646

            Bug ID: 424646
           Summary: K3b crashed when looking up CDDB mirrors
           Product: k3b
           Version: unspecified
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k3b at kde.org
          Reporter: Koraq at yahoo.com
                CC: michalm at jabster.pl, trueg at kde.org
  Target Milestone: ---

Application: k3b (19.08.3)

Qt Version: 5.14.2
Frameworks Version: 5.70.0
Operating System: Linux 5.7.6-201.fc32.x86_64 x86_64
Windowing system: X11
Distribution: Fedora 32 (KDE Plasma)

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

I was configuring CDDB settings, and when I clicked the button for listing
mirrors, k3b crashed.

-- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa453bc45c0 (LWP 1716))]

Thread 8 (Thread 0x7fa42b157700 (LWP 1763)):
#0  0x00007fa45bf77871 in clock_nanosleep at GLIBC_2.2.5 () from /lib64/libc.so.6
#1  0x00007fa45bf7d1c7 in nanosleep () from /lib64/libc.so.6
#2  0x00007fa45c511475 in qt_nanosleep(timespec) () from /lib64/libQt5Core.so.5
#3  0x00007fa45e0f49aa in K3b::MediaCache::PollThread::run() () from
/lib64/libk3blib.so.7
#4  0x00007fa45c331690 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007fa457c58432 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fa45bfb09d3 in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fa43d056700 (LWP 1722)):
#0  0x00007fa457c5ee92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa43f6fbabb in util_queue_thread_func () from
/usr/lib64/dri/i965_dri.so
#2  0x00007fa43f6fb58b in impl_thrd_routine () from /usr/lib64/dri/i965_dri.so
#3  0x00007fa457c58432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa45bfb09d3 in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fa43d857700 (LWP 1721)):
#0  0x00007fa457c5ee92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa43f6fbabb in util_queue_thread_func () from
/usr/lib64/dri/i965_dri.so
#2  0x00007fa43f6fb58b in impl_thrd_routine () from /usr/lib64/dri/i965_dri.so
#3  0x00007fa457c58432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa45bfb09d3 in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fa43e058700 (LWP 1720)):
#0  0x00007fa457c5ee92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa43f6fbabb in util_queue_thread_func () from
/usr/lib64/dri/i965_dri.so
#2  0x00007fa43f6fb58b in impl_thrd_routine () from /usr/lib64/dri/i965_dri.so
#3  0x00007fa457c58432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa45bfb09d3 in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fa43e859700 (LWP 1719)):
#0  0x00007fa457c5ee92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa43f6fbabb in util_queue_thread_func () from
/usr/lib64/dri/i965_dri.so
#2  0x00007fa43f6fb58b in impl_thrd_routine () from /usr/lib64/dri/i965_dri.so
#3  0x00007fa457c58432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa45bfb09d3 in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fa445d75700 (LWP 1718)):
#0  0x00007fa45bfa5b6f in poll () from /lib64/libc.so.6
#1  0x00007fa457342ace in g_main_context_iterate.constprop () from
/lib64/libglib-2.0.so.0
#2  0x00007fa457342c03 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x00007fa45c511b8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4  0x00007fa45c4c491b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5  0x00007fa45c330427 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007fa45d3ae51b in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#7  0x00007fa45c331690 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8  0x00007fa457c58432 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fa45bfb09d3 in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fa446951700 (LWP 1717)):
#0  0x00007fa45bfa5b6f in poll () from /lib64/libc.so.6
#1  0x00007fa456af138a in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007fa456af371a in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007fa446ae4c78 in QXcbEventQueue::run() () from
/lib64/libQt5XcbQpa.so.5
#4  0x00007fa45c331690 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007fa457c58432 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fa45bfb09d3 in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fa453bc45c0 (LWP 1716)):
[KCrash Handler]
#4  0x00007fa45c3b9f80 in QString::toUInt(bool*, int) const () from
/lib64/libQt5Core.so.5
#5  0x00007fa45e01c8b0 in KCDDB::CDDB::statusCode(QString const&) () from
/lib64/libKF5Cddb.so.5
#6  0x00007fa45e02355f in KCDDB::Sites::readData(QByteArray const&) () from
/lib64/libKF5Cddb.so.5
#7  0x00007fa45e023ac8 in KCDDB::Sites::siteList() () from
/lib64/libKF5Cddb.so.5
#8  0x00007fa43c7df9df in CDDBConfigWidget::showMirrorList() () from
/usr/lib64/qt5/plugins/kcm_cddb.so
#9  0x00007fa45c4f4fb0 in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt5Core.so.5
#10 0x00007fa45cf4ffd6 in QAbstractButton::clicked(bool) () from
/lib64/libQt5Widgets.so.5
#11 0x00007fa45cf5099e in QAbstractButtonPrivate::emitClicked() () from
/lib64/libQt5Widgets.so.5
#12 0x00007fa45cf52253 in QAbstractButtonPrivate::click() () from
/lib64/libQt5Widgets.so.5
#13 0x00007fa45cf52435 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
from /lib64/libQt5Widgets.so.5
#14 0x00007fa45cea236e in QWidget::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#15 0x00007fa45ce61063 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#16 0x00007fa45ce66891 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#17 0x00007fa45c4c5fc0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#18 0x00007fa45ce6578a in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /lib64/libQt5Widgets.so.5
#19 0x00007fa45cebaf82 in QWidgetWindow::handleMouseEvent(QMouseEvent*) () from
/lib64/libQt5Widgets.so.5
#20 0x00007fa45cebddde in QWidgetWindow::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#21 0x00007fa45ce61063 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#22 0x00007fa45c4c5fc0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#23 0x00007fa45c8aa16b in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /lib64/libQt5Gui.so.5
#24 0x00007fa45c88c15b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib64/libQt5Gui.so.5
#25 0x00007fa446ae5c9e in xcbSourceDispatch(_GSource*, int (*)(void*), void*)
() from /lib64/libQt5XcbQpa.so.5
#26 0x00007fa4573427af in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#27 0x00007fa457342b38 in g_main_context_iterate.constprop () from
/lib64/libglib-2.0.so.0
#28 0x00007fa457342c03 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#29 0x00007fa45c511b73 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#30 0x00007fa45c4c491b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#31 0x00007fa45d05f4ef in QDialog::exec() () from /lib64/libQt5Widgets.so.5
#32 0x000055ef45a35408 in K3b::MainWindow::slotSettingsConfigure() ()
#33 0x00007fa45c4f4fb0 in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt5Core.so.5
#34 0x00007fa45ce5a876 in QAction::triggered(bool) () from
/lib64/libQt5Widgets.so.5
#35 0x00007fa45ce5d161 in QAction::activate(QAction::ActionEvent) () from
/lib64/libQt5Widgets.so.5
#36 0x00007fa45cfdad5a in
QMenuPrivate::activateCausedStack(QVector<QPointer<QWidget> > const&, QAction*,
QAction::ActionEvent, bool) () from /lib64/libQt5Widgets.so.5
#37 0x00007fa45cfe23c2 in QMenuPrivate::activateAction(QAction*,
QAction::ActionEvent, bool) () from /lib64/libQt5Widgets.so.5
#38 0x00007fa45cea236e in QWidget::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#39 0x00007fa45ce61063 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#40 0x00007fa45ce66891 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#41 0x00007fa45c4c5fc0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#42 0x00007fa45ce6578a in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /lib64/libQt5Widgets.so.5
#43 0x00007fa45cebb98f in QWidgetWindow::handleMouseEvent(QMouseEvent*) () from
/lib64/libQt5Widgets.so.5
#44 0x00007fa45cebddde in QWidgetWindow::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#45 0x00007fa45ce61063 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#46 0x00007fa45c4c5fc0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#47 0x00007fa45c8aa16b in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /lib64/libQt5Gui.so.5
#48 0x00007fa45c88c15b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib64/libQt5Gui.so.5
#49 0x00007fa446ae5c9e in xcbSourceDispatch(_GSource*, int (*)(void*), void*)
() from /lib64/libQt5XcbQpa.so.5
#50 0x00007fa4573427af in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#51 0x00007fa457342b38 in g_main_context_iterate.constprop () from
/lib64/libglib-2.0.so.0
#52 0x00007fa457342c03 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#53 0x00007fa45c511b73 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#54 0x00007fa45c4c491b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#55 0x00007fa45c4cc5a6 in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#56 0x000055ef45a084ba in main ()
[Inferior 1 (process 1716) detached]

Reported using DrKonqi

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