https://bugs.kde.org/show_bug.cgi?id=401961
Bug ID: 401961 Summary: Discover crashed upon removing multiple apps at once Product: Discover Version: unspecified Platform: Neon Packages OS: Linux Status: REPORTED Keywords: drkonqi Severity: crash Priority: NOR Component: discover Assignee: aleix...@kde.org Reporter: notux...@gmail.com Target Milestone: --- Application: plasma-discover (5.14.80) Qt Version: 5.11.2 Frameworks Version: 5.54.0 Operating System: Linux 4.15.0-42-generic x86_64 Distribution: KDE neon Developer Edition -- Information about the crash: - What I was doing when the application crashed: Pressed 'Remove' (and possibly 'Install') button for multiple apps at once -- Backtrace: Application: Discover (plasma-discover), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f55f4e35800 (LWP 3706))] Thread 10 (Thread 0x7f55a1b29700 (LWP 3724)): #0 0x00007f55ec4659f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5585d4c656d0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 0x00007f55ec4659f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x5585d4c65680, cond=0x5585d4c656a8) at pthread_cond_wait.c:502 #2 0x00007f55ec4659f3 in __pthread_cond_wait (cond=0x5585d4c656a8, mutex=0x5585d4c65680) at pthread_cond_wait.c:655 #3 0x00007f55f051894b in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x5585d4c65680) at thread/qwaitcondition_unix.cpp:143 #4 0x00007f55f051894b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x5585d4c653e0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215 #5 0x00007f55f3a5ab18 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #6 0x00007f55f3a5af4a in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f55f0517adb in QThreadPrivate::start(void*) (arg=0x5585d4c65360) at thread/qthread_unix.cpp:367 #8 0x00007f55ec45f6db in start_thread (arg=0x7f55a1b29700) at pthread_create.c:463 #9 0x00007f55efe0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7f55a232a700 (LWP 3723)): #0 0x00007f55efe02bf9 in __GI___poll (fds=0x7f55980018a0, nfds=1, timeout=86058) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f55ea2c3539 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f55ea2c364c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f55f073d04b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f5598000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #4 0x00007f55f06e130a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f55a2329da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214 #5 0x00007f55f050cbba in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:525 #6 0x00007f55f0517adb in QThreadPrivate::start(void*) (arg=0x5585d2f58940) at thread/qthread_unix.cpp:367 #7 0x00007f55ec45f6db in start_thread (arg=0x7f55a232a700) at pthread_create.c:463 #8 0x00007f55efe0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7f55b08f3700 (LWP 3718)): #0 0x00007f55efe02bf9 in __GI___poll (fds=0x5585d47a3b80, nfds=1, timeout=87058) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f55ea2c3539 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f55ea2c364c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f55f073d04b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f55a8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #4 0x00007f55f06e130a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f55b08f2da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214 #5 0x00007f55f050cbba in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:525 #6 0x00007f55f0517adb in QThreadPrivate::start(void*) (arg=0x5585d46f1090) at thread/qthread_unix.cpp:367 #7 0x00007f55ec45f6db in start_thread (arg=0x7f55b08f3700) at pthread_create.c:463 #8 0x00007f55efe0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7f55c0dae700 (LWP 3714)): #0 0x00007f55efdfe0b4 in __GI___libc_read (fd=18, buf=0x7f55c0dadb90, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007f55ea307cd0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f55ea2c3027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f55ea2c34e0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f55ea2c364c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f55f073d04b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f55b8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #6 0x00007f55f06e130a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f55c0dadda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214 #7 0x00007f55f050cbba in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:525 #8 0x00007f55f0517adb in QThreadPrivate::start(void*) (arg=0x5585d336bf70) at thread/qthread_unix.cpp:367 #9 0x00007f55ec45f6db in start_thread (arg=0x7f55c0dae700) at pthread_create.c:463 #10 0x00007f55efe0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f55c2329700 (LWP 3713)): #0 0x00007f55efe02bf9 in __GI___poll (fds=0x5585d3353120, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f55ea2c3539 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f55ea2c38d2 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f55c526e026 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007f55ea2eb105 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f55ec45f6db in start_thread (arg=0x7f55c2329700) at pthread_create.c:463 #6 0x00007f55efe0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f55c2b2a700 (LWP 3712)): #0 0x00007f55efe02bf9 in __GI___poll (fds=0x5585d333d7a0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f55ea2c3539 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f55ea2c364c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f55ea2c3691 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f55ea2eb105 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f55ec45f6db in start_thread (arg=0x7f55c2b2a700) at pthread_create.c:463 #6 0x00007f55efe0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f55ce65c700 (LWP 3711)): #0 0x00007f55efdfe0b4 in __GI___libc_read (fd=11, buf=0x7f55ce65bb20, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007f55ea307cd0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f55ea2c3027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f55ea2c34e0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f55ea2c364c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f55f073d04b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f55c8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #6 0x00007f55f06e130a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f55ce65bd30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214 #7 0x00007f55f050cbba in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:525 #8 0x00007f55f39db826 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007f55f0517adb in QThreadPrivate::start(void*) (arg=0x5585d3258fc0) at thread/qthread_unix.cpp:367 #10 0x00007f55ec45f6db in start_thread (arg=0x7f55ce65c700) at pthread_create.c:463 #11 0x00007f55efe0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f55de655700 (LWP 3709)): #0 0x00007f55ea309064 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f55ea2c34f6 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f55ea2c364c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f55f073d04b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f55d0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #4 0x00007f55f06e130a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f55de654d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214 #5 0x00007f55f050cbba in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:525 #6 0x00007f55f14474f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f55f0517adb in QThreadPrivate::start(void*) (arg=0x5585d2b4f7f0) at thread/qthread_unix.cpp:367 #8 0x00007f55ec45f6db in start_thread (arg=0x7f55de655700) at pthread_create.c:463 #9 0x00007f55efe0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f55df866700 (LWP 3708)): #0 0x00007f55efdfe0b4 in __GI___libc_read (fd=6, buf=0x7f55df865b60, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007f55ea307cd0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f55ea2c3027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f55ea2c34e0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f55ea2c364c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f55f073d04b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f55d8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #6 0x00007f55f06e130a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f55df865d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214 #7 0x00007f55f050cbba in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:525 #8 0x00007f55f27a1e45 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #9 0x00007f55f0517adb in QThreadPrivate::start(void*) (arg=0x7f55f2a19d60) at thread/qthread_unix.cpp:367 #10 0x00007f55ec45f6db in start_thread (arg=0x7f55df866700) at pthread_create.c:463 #11 0x00007f55efe0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f55f4e35800 (LWP 3706)): [KCrash Handler] #6 0x00007f55f07142c0 in QObjectPrivate::addConnection(int, QObjectPrivate::Connection*) (this=0x5585d46b7d70, signal=signal@entry=0, c=c@entry=0x7f558c046830) at kernel/qobject.cpp:389 #7 0x00007f55f07162b1 in QObjectPrivate::connectImpl(QObject const*, int, QObject const*, void**, QtPrivate::QSlotObjectBase*, Qt::ConnectionType, int const*, QMetaObject const*) (sender=sender@entry=0x5585d46b7d10, signal_index=0, receiver=receiver@entry=0x5585d7857230, slot=slot@entry=0x0, slotObj=slotObj@entry=0x5585d4fbcf70, type=<optimized out>, types=<optimized out>, senderMetaObject=<optimized out>) at kernel/qobject.cpp:4848 #8 0x00007f55f071660a in QObject::connectImpl(QObject const*, void**, QObject const*, void**, QtPrivate::QSlotObjectBase*, Qt::ConnectionType, int const*, QMetaObject const*) (sender=sender@entry=0x5585d46b7d10, signal=signal@entry=0x7ffce4465fd0, receiver=receiver@entry=0x5585d7857230, slot=slot@entry=0x0, slotObj=0x5585d4fbcf70, type=Qt::AutoConnection, types=0x0, senderMetaObject=0x7f55f0b5ea40 <QObject::staticMetaObject>) at kernel/qobject.cpp:4791 #9 0x00007f55f44f982f in QObject::connect<void (QObject::*)(QObject*), AggregatedResultsStream::addResults(const QVector<AbstractResource*>&)::<lambda()> > (type=Qt::AutoConnection, slot=..., context=0x5585d7857230, signal=(void (QObject::*)(QObject * const, QObject *)) 0x7f55f07127b0 <QObject::destroyed(QObject*)>, sender=0x5585d46b7d10) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject.h:333 #10 0x00007f55f44f982f in AggregatedResultsStream::addResults(QVector<AbstractResource*> const&) (this=0x5585d7857230, res=...) at ./libdiscover/resources/ResourcesModel.cpp:295 #11 0x00007f55f071218f in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffce4466130, r=0x5585d7857230, this=0x5585d4bd6710) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376 #12 0x00007f55f071218f in QMetaObject::activate(QObject*, int, int, void**) (sender=0x5585d2ed1ff0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffce4466130) at kernel/qobject.cpp:3754 #13 0x00007f55f0712747 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7f55f473d3a0 <ResultsStream::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffce4466130) at kernel/qobject.cpp:3633 #14 0x00007f55f451bc12 in ResultsStream::resourcesFound(QVector<AbstractResource*> const&) (this=<optimized out>, _t1=...) at ./obj-x86_64-linux-gnu/libdiscover/DiscoverCommon_autogen/3YJK5W5UP7/moc_AbstractResourcesBackend.cpp:153 #15 0x00007f55f450a175 in ResultsStream::<lambda()>::operator() (__closure=0x5585d556eb20) at ./libdiscover/resources/AbstractResourcesBackend.cpp:52 #16 0x00007f55f450a175 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, ResultsStream::ResultsStream(const QString&, const QVector<AbstractResource*>&)::<lambda()> >::call (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:128 #17 0x00007f55f450a175 in QtPrivate::Functor<ResultsStream::ResultsStream(const QString&, const QVector<AbstractResource*>&)::<lambda()>, 0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:238 #18 0x00007f55f450a175 in QtPrivate::QFunctorSlotObject<ResultsStream::ResultsStream(const QString&, const QVector<AbstractResource*>&)::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x5585d556eb10, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:421 #19 0x00007f55f071eef4 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffce4466170, r=<optimized out>, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376 #20 0x00007f55f071eef4 in QSingleShotTimer::timerEvent(QTimerEvent*) (this=0x5585d477c7d0) at kernel/qtimer.cpp:318 #21 0x00007f55f0712b9b in QObject::event(QEvent*) (this=0x5585d477c7d0, e=<optimized out>) at kernel/qobject.cpp:1273 #22 0x00007f55f2091e1c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x5585d2a5c6f0, receiver=receiver@entry=0x5585d477c7d0, e=e@entry=0x7ffce4466440) at kernel/qapplication.cpp:3727 #23 0x00007f55f20993ef in QApplication::notify(QObject*, QEvent*) (this=0x7ffce4466770, receiver=0x5585d477c7d0, e=0x7ffce4466440) at kernel/qapplication.cpp:3486 #24 0x00007f55f06e2fe8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x5585d477c7d0, event=event@entry=0x7ffce4466440) at kernel/qcoreapplication.cpp:1048 #25 0x00007f55f073c4be in QCoreApplication::sendEvent(QObject*, QEvent*) (event=0x7ffce4466440, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234 #26 0x00007f55f073c4be in QTimerInfoList::activateTimers() (this=0x5585d2acc450) at kernel/qtimerinfo_unix.cpp:643 #27 0x00007f55f073cc81 in timerSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:182 #28 0x00007f55ea2c3387 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #29 0x00007f55ea2c35c0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #30 0x00007f55ea2c364c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #31 0x00007f55f073d02f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x5585d2a9ad00, flags=...) at kernel/qeventdispatcher_glib.cpp:422 #32 0x00007f55e4c90731 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #33 0x00007f55f06e130a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffce44666b0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214 #34 0x00007f55f06ea4d0 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1336 #35 0x00005585d274280a in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at ./discover/main.cpp:168 Possible duplicates by query: bug 395238, bug 390381. Reported using DrKonqi -- You are receiving this mail because: You are watching all bug changes.