Bug 357507

Summary: Crash when checling properties of desktop folder entry
Product: [Plasma] plasmashell Reporter: David Goadby <dg>
Component: Task Manager and Icons-Only Task Manager widgetsAssignee: Eike Hein <hein>
Status: RESOLVED WORKSFORME    
Severity: crash CC: bshah, mklapetek, plasma-bugs-null
Priority: NOR Keywords: drkonqi, triaged
Version First Reported In: 5.4.3   
Target Milestone: 1.0   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description David Goadby 2016-01-04 10:35:39 UTC 
Application: plasmashell (5.4.3)

Qt Version: 5.5.1
Operating System: Linux 4.1.13-5-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed: I wanted to see what the properties were of an entry in the Desktop Folder.  SUSE 42.1 from SUSU distro.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f02ac5e97c0 (LWP 2011))]

Thread 13 (Thread 0x7f0296071700 (LWP 2013)):
#0  0x00007f02a5b35c1d in poll () at /lib64/libc.so.6
#1  0x00007f02aaa61422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f02aaa6300f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f02981c23c9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f02a622d32f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f02a533f0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f02a5b3e04d in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f028f3ea700 (LWP 2025)):
#0  0x00007f02a2259cf9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f02a22174b9 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f02a2217d80 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f02a2217f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f02a645fd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f02a6406d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f02a622861a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f02a9513df8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f02a622d32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f02a533f0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f02a5b3e04d in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f027c306700 (LWP 2119)):
#0  0x00007f02a5b4a61f in __libc_enable_asynccancel () at /lib64/libc.so.6
#1  0x00007f02a5b35c12 in poll () at /lib64/libc.so.6
#2  0x00007f02a2217e64 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f02a2217f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f02a645fd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f02a6406d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f02a622861a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f02a9513df8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f02a622d32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f02a533f0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f02a5b3e04d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f027a8ea700 (LWP 2140)):
#0  0x00007f02a5b35c1d in poll () at /lib64/libc.so.6
#1  0x00007f02a2217e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f02a2217f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f02a645fd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f02a6406d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f02a622861a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f02a9513df8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f02a622d32f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f02a533f0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f02a5b3e04d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f0278f75700 (LWP 2158)):
#0  0x00007f02a534305f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f02abcc886b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f02abcc8899 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f02a533f0a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f02a5b3e04d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f02718a0700 (LWP 2203)):
#0  0x00007f02a22178d8 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f02a2217df8 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f02a2217f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f02a645fd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f02a6406d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f02a622861a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f02aa0a8282 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007f02a622d32f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f02a533f0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f02a5b3e04d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f01dd33d700 (LWP 2307)):
#0  0x00007ffedf576adf in clock_gettime ()
#1  0x00007f02a5b4ac9d in clock_gettime () at /lib64/libc.so.6
#2  0x00007f02a62de7d6 in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007f02a645e3b9 in QTimerInfoList::updateCurrentTime() () at /usr/lib64/libQt5Core.so.5
#4  0x00007f02a645e945 in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f02a646070c in  () at /usr/lib64/libQt5Core.so.5
#6  0x00007f02a22174ad in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#7  0x00007f02a2217d80 in  () at /usr/lib64/libglib-2.0.so.0
#8  0x00007f02a2217f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#9  0x00007f02a645fd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f02a6406d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#11 0x00007f02a622861a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#12 0x00007f01de98acf7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#13 0x00007f02a622d32f in  () at /usr/lib64/libQt5Core.so.5
#14 0x00007f02a533f0a4 in start_thread () at /lib64/libpthread.so.0
#15 0x00007f02a5b3e04d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f01c729d700 (LWP 23107)):
#0  0x00007f02a534305f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f02a622e34b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f01e580b65f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f01e580f43a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f01e58096cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f01e580f481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f01e58096cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f01e580d005 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f02a622d32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f02a533f0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f02a5b3e04d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f01c353d700 (LWP 23108)):
#0  0x00007f02a534305f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f02a622e34b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f01e580b65f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f01e580f43a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f01e58096cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f01e580f481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f01e58096cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f01e580f481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f01e58096cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f01e580d005 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f02a622d32f in  () at /usr/lib64/libQt5Core.so.5
#11 0x00007f02a533f0a4 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f02a5b3e04d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f01c26e3700 (LWP 23109)):
#0  0x00007f02a534305f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f02a622e34b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f01e580b65f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f01e580f43a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f01e58096cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f01e580f481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f01e58096cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f01e580d005 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f02a622d32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f02a533f0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f02a5b3e04d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f01b7ffe700 (LWP 23110)):
#0  0x00007f02a534305f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f02a622e34b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f01e580b65f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f01e580f43a in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f01e58096cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f01e580f481 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f01e58096cb in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f01e580d005 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f02a622d32f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f02a533f0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f02a5b3e04d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f01b77fd700 (LWP 23150)):
[KCrash Handler]
#6  0x00007f02a6225bf5 in QMutex::lock() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f02a622c568 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f02a622d351 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f02a533f0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f02a5b3e04d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f02ac5e97c0 (LWP 2011)):
#0  0x00007f02a534305f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f02aaa61669 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f02aaa62d5f in  () at /usr/lib64/libxcb.so.1
#3  0x00007f02aaa62e72 in xcb_wait_for_reply () at /usr/lib64/libxcb.so.1
#4  0x00007f02a90234ea in  () at /usr/lib64/libKF5WindowSystem.so.5
#5  0x00007f02a901fe7e in NETWinInfo::update(QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib64/libKF5WindowSystem.so.5
#6  0x00007f02a9021ff5 in NETWinInfo::NETWinInfo(xcb_connection_t*, unsigned int, unsigned int, QFlags<NET::Property>, NET::Role) () at /usr/lib64/libKF5WindowSystem.so.5
#7  0x00007f01e6ba4e9d in TaskManager::Task::pid() const () at /usr/lib64/libtaskmanager.so.5
#8  0x00007f01e6b979a0 in TaskManager::TaskItem::launcherUrlFromTask(TaskManager::GroupManager*, TaskManager::Task*, TaskManager::Startup*) () at /usr/lib64/libtaskmanager.so.5
#9  0x00007f01e6b9893d in TaskManager::TaskItem::launcherUrl() const () at /usr/lib64/libtaskmanager.so.5
#10 0x00007f01e6b94bf5 in TaskManager::TaskItem::icon() const () at /usr/lib64/libtaskmanager.so.5
#11 0x00007f01e6b9e602 in TaskManager::TasksModel::data(QModelIndex const&, int) const () at /usr/lib64/libtaskmanager.so.5
#12 0x00007f02a92e1f93 in  () at /usr/lib64/libQt5Qml.so.5
#13 0x00007f02a92e1477 in  () at /usr/lib64/libQt5Qml.so.5
#14 0x00007f02a945456c in  () at /usr/lib64/libQt5Qml.so.5
#15 0x00007f02a9454e53 in QV4::QObjectWrapper::getProperty(QObject*, QV4::ExecutionContext*, QQmlPropertyData*, bool) () at /usr/lib64/libQt5Qml.so.5
#16 0x00007f02a9455a39 in QV4::QObjectWrapper::getQmlProperty(QQmlContextData*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*, bool) () at /usr/lib64/libQt5Qml.so.5
#17 0x00007f02a946aca6 in QV4::Runtime::getProperty(QV4::ExecutionEngine*, QV4::Value const&, int) () at /usr/lib64/libQt5Qml.so.5
#18 0x00007f0270005919 in  ()
#19 0x00007f02798eb070 in  ()
#20 0x00007f02798eb070 in  ()
#21 0x0003000000000000 in  ()
#22 0x00007f02798eb060 in  ()
#23 0x0000000000fc5040 in  ()
#24 0x0000000000000000 in  ()

Reported using DrKonqi
Comment 1 Martin Klapetek 2016-01-27 02:39:31 UTC 
Thanks for the report

Can you reproduce this crash? This looks like a completly random one but if you can reliably reproduce it, please install debug symbols for libKF5WindowSystem package, reproduce the crash and post updated backtrace

Thanks
Comment 2 Andrew Crouthamel 2018-09-25 21:45:57 UTC 
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days, the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information.

For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please set the bug status as REPORTED so that the KDE team knows that the bug is ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 3 Andrew Crouthamel 2018-10-27 03:30:10 UTC 
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information.

For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!