Bug 394634

Summary:	Discover crashes (possibly after trying to install flash plugin)
Product:	[Applications] Discover	Reporter:	s1512783
Component:	discover	Assignee:	Aleix Pol <aleixpol>
Status:	RESOLVED DUPLICATE
Severity:	normal	Keywords:	drkonqi
Priority:	NOR
Version:	5.12.5
Target Milestone:	---
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description s1512783 2018-05-23 20:29:49 UTC

Application: plasma-discover (5.12.5)

Qt Version: 5.9.4
Frameworks Version: 5.44.0
Operating System: Linux 4.16.9-200.fc27.x86_64 x86_64
Distribution: "Fedora release 27 (Twenty Seven)"

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

I cannot use Discover at all. It crashes whenever I try to access any of the tabs.

- Custom settings of the application:

I think it may be connected with my attempts to install the Flash plugin RPM from adobe website. It seems like the program started crashing after I tried to use it to install the repo.

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1acaa938c0 (LWP 4060))]

Thread 15 (Thread 0x7f1a6a7fc700 (LWP 4122)):
#0  0x00007f1ac45b7c6b in poll () from /lib64/libc.so.6
#1  0x00007f1abdb9ee99 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f1abdb9efac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f1ac540dc4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f1ac53bb96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f1ac520c8ca in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#8  0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f1a6bfff700 (LWP 4077)):
#0  0x00007f1ac45b7c6b in poll () from /lib64/libc.so.6
#1  0x00007f1abdb9ee99 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f1abdb9efac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f1abdb9eff1 in glib_worker_main () from /lib64/libglib-2.0.so.0
#4  0x00007f1abdbc6486 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#6  0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f1a70be8700 (LWP 4076)):
#0  0x00007f1ac22efb5b in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f1ac5211423 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQt5Core.so.5
#2  0x00007f1ac520dda2 in QThreadPoolThread::run() () from /lib64/libQt5Core.so.5
#3  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#4  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#5  0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f1a713e9700 (LWP 4075)):
#0  0x00007f1ac22efb5b in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f1ac5211423 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQt5Core.so.5
#2  0x00007f1ac520dda2 in QThreadPoolThread::run() () from /lib64/libQt5Core.so.5
#3  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#4  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#5  0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f1a71bea700 (LWP 4074)):
#0  0x00007f1ac22efb5b in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f1ac5211423 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQt5Core.so.5
#2  0x00007f1ac520dda2 in QThreadPoolThread::run() () from /lib64/libQt5Core.so.5
#3  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#4  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#5  0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f1a733eb700 (LWP 4071)):
#0  0x00007f1ac45b7c6b in poll () from /lib64/libc.so.6
#1  0x00007f1abdb9ee99 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f1abdb9efac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f1ac540dc4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f1ac53bb96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f1ac520c8ca in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#8  0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f1a80ca3700 (LWP 4070)):
#0  0x00007f1ac22efb5b in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f1ac5211423 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQt5Core.so.5
#2  0x00007f1ac520dda2 in QThreadPoolThread::run() () from /lib64/libQt5Core.so.5
#3  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#4  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#5  0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f1a814a4700 (LWP 4069)):
#0  0x00007f1ac45b3738 in read () from /lib64/libc.so.6
#1  0x00007f1abdbe30a0 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f1abdb9e9a8 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f1abdb9ee40 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007f1abdb9efac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f1ac540dc4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f1ac53bb96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f1ac520c8ca in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#10 0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f1a829c2700 (LWP 4068)):
#0  0x00007f1ac22efb5b in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f1ac5211423 in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQt5Core.so.5
#2  0x00007f1ac520dda2 in QThreadPoolThread::run() () from /lib64/libQt5Core.so.5
#3  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#4  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#5  0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f1a8c841700 (LWP 4065)):
#0  0x00007f1abdb9e406 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#1  0x00007f1abdb9edcb in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f1abdb9efac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f1ac540dc4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f1ac53bb96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f1ac520c8ca in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#8  0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f1a9775c700 (LWP 4064)):
#0  0x00007f1abdb9be00 in g_source_iter_next () from /lib64/libglib-2.0.so.0
#1  0x00007f1abdb9e33b in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#2  0x00007f1abdb9edcb in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f1abdb9efac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f1ac540dc4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f1ac53bb96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f1ac520c8ca in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f1ac9b54116 in QQuickPixmapReader::run() () from /lib64/libQt5Quick.so.5
#8  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#10 0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f1aa64b6700 (LWP 4063)):
#0  0x00007f1ac45b7c6b in poll () from /lib64/libc.so.6
#1  0x00007f1abdb9ee99 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f1abdb9efac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f1ac540dc4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f1ac53bb96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f1ac520c8ca in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f1ac610c285 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#9  0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f1aa76c7700 (LWP 4062)):
#0  0x00007f1abdbc6967 in g_thread_self () from /lib64/libglib-2.0.so.0
#1  0x00007f1abdb9dd7e in g_main_context_acquire () from /lib64/libglib-2.0.so.0
#2  0x00007f1abdb9ed55 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f1abdb9efac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f1ac540dc4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f1ac53bb96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f1ac520c8ca in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f1ac6b25449 in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#8  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#10 0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f1ab0fae700 (LWP 4061)):
#0  0x00007f1ac45b7c6b in poll () from /lib64/libc.so.6
#1  0x00007f1abd527fe7 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f1abd529dda in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f1ab3b4cbf9 in QXcbEventReader::run() () from /lib64/libQt5XcbQpa.so.5
#4  0x00007f1ac5210de2 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f1ac22e950b in start_thread () from /lib64/libpthread.so.0
#6  0x00007f1ac45c216f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f1acaa938c0 (LWP 4060)):
[KCrash Handler]
#6  0x00007f1a8df082b9 in AppStream::Component::name() const () from /lib64/libAppStreamQt.so.2
#7  0x00007f1a8e3997ce in AppPackageKitResource::name() const () from /usr/lib64/qt5/plugins/discover/packagekit-backend.so
#8  0x00007f1ac97f7b7d in AbstractResource::nameSortKey() () from /usr/lib64/plasma-discover/libDiscoverCommon.so
#9  0x00007f1ac97eb25f in ResourcesProxyModel::lessThan(AbstractResource*, AbstractResource*) const () from /usr/lib64/plasma-discover/libDiscoverCommon.so
#10 0x00007f1ac97eba69 in ResourcesProxyModel::sortedInsertion(QVector<AbstractResource*> const&) () from /usr/lib64/plasma-discover/libDiscoverCommon.so
#11 0x00007f1ac97ed59f in ResourcesProxyModel::refreshResource(AbstractResource*, QVector<QByteArray> const&) () from /usr/lib64/plasma-discover/libDiscoverCommon.so
#12 0x00007f1ac53e5637 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#13 0x00007f1ac9807467 in ResourcesModel::resourceDataChanged(AbstractResource*, QVector<QByteArray> const&) () from /usr/lib64/plasma-discover/libDiscoverCommon.so
#14 0x00007f1ac53e5637 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#15 0x00007f1ac98071b7 in AbstractResourcesBackend::resourcesChanged(AbstractResource*, QVector<QByteArray> const&) () from /usr/lib64/plasma-discover/libDiscoverCommon.so
#16 0x00007f1ac97f786e in AbstractResource::reportNewState() () from /usr/lib64/plasma-discover/libDiscoverCommon.so
#17 0x00007f1ac53e5637 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#18 0x00007f1a8e392858 in PackageKitResource::addPackageId(PackageKit::Transaction::Info, QString const&, bool) () from /usr/lib64/qt5/plugins/discover/packagekit-backend.so
#19 0x00007f1a8e38b59c in PackageKitBackend::addPackage(PackageKit::Transaction::Info, QString const&, QString const&, bool) () from /usr/lib64/qt5/plugins/discover/packagekit-backend.so
#20 0x00007f1ac53e5637 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#21 0x00007f1a8e148aeb in PackageKit::Transaction::package(PackageKit::Transaction::Info, QString const&, QString const&) () from /lib64/libpackagekitqt5.so.0
#22 0x00007f1a8e14b30a in PackageKit::Transaction::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /lib64/libpackagekitqt5.so.0
#23 0x00007f1ac53e5513 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#24 0x00007f1a8e157ebb in OrgFreedesktopPackageKitTransactionInterface::Package(unsigned int, QString const&, QString const&) () from /lib64/libpackagekitqt5.so.0
#25 0x00007f1a8e15857e in OrgFreedesktopPackageKitTransactionInterface::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /lib64/libpackagekitqt5.so.0
#26 0x00007f1a8e15a645 in OrgFreedesktopPackageKitTransactionInterface::qt_metacall(QMetaObject::Call, int, void**) () from /lib64/libpackagekitqt5.so.0
#27 0x00007f1ac6b308b8 in QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QVector<int> const&, int) () from /lib64/libQt5DBus.so.5
#28 0x00007f1ac53e626a in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5
#29 0x00007f1ac7df692c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#30 0x00007f1ac7dfe174 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#31 0x00007f1ac53bcbe7 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#32 0x00007f1ac53bf36b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5
#33 0x00007f1ac540de43 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5
#34 0x00007f1abdb9eb77 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#35 0x00007f1abdb9ef20 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#36 0x00007f1abdb9efac in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#37 0x00007f1ac540dc2f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#38 0x00007f1ac53bb96a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#39 0x00007f1ac53c4094 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#40 0x000055c3b4afc078 in main ()

Reported using DrKonqi

Comment 1 Aleix Pol 2018-05-26 00:22:59 UTC


*** This bug has been marked as a duplicate of bug 394048 ***