[kde] [Bug 342130] New: kwin_x11 crashed when pressed delete in fast succession

[Alin M Elena]

https://bugs.kde.org/show_bug.cgi?id=342130

            Bug ID: 342130
           Summary: kwin_x11 crashed when pressed delete in fast
                    succession
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: alinm.elena at gmail.com

Application: kwin_x11 (5.1.90)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-rc1-1.g85f0072-desktop x86_64
Distribution: "openSUSE 20141219 (Tumbleweed) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
kwin_x11 crashed when pressed delete in fast succession
kwin_x11 crashed when pressed delete in fast succession

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f037af47800 (LWP 28101))]

Thread 3 (Thread 0x7f0344f22700 (LWP 28117)):
#0  0x00007f037a91eb43 in select () at /lib64/libc.so.6
#1  0x00007f0378a1a5e9 in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f0378a1bf03 in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f0378a1c36b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f03789c4d5b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f03787e7d1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0372a57978 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f03787ec94f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0370e0a3a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f037a925a4d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f033896c700 (LWP 28119)):
#0  0x00007f0370e0e85f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f03777de47b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f03777de4a9 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f0370e0a3a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f037a925a4d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f037af47800 (LWP 28101)):
[KCrash Handler]
#5  0x00007f03729f4544 in  () at /usr/lib64/libQt5Qml.so.5
#6  0x00007f03729f1f19 in QQmlMetaType::qmlSingletonTypes() () at
/usr/lib64/libQt5Qml.so.5
#7  0x00007f03729c8778 in QQmlEngine::~QQmlEngine() () at
/usr/lib64/libQt5Qml.so.5
#8  0x00007f03729c8909 in QQmlEngine::~QQmlEngine() () at
/usr/lib64/libQt5Qml.so.5
#9  0x00007f037a878949 in __run_exit_handlers () at /lib64/libc.so.6
#10 0x00007f037a878995 in  () at /lib64/libc.so.6
#11 0x00007f03528ca9c6 in  () at /usr/lib64/dri/i965_dri.so
#12 0x00007f0352655c19 in  () at /usr/lib64/dri/i965_dri.so
#13 0x00007f03738c5f6c in KWin::GLVertexBuffer::endOfFrame() () at
/usr/lib64/libkwinglutils.so.5
#14 0x00007f037a5113a4 in  () at /usr/lib64/libkwin.so.5
#15 0x00007f037a4f3803 in  () at /usr/lib64/libkwin.so.5
#16 0x00007f03789f727c in QObject::event(QEvent*) () at
/usr/lib64/libQt5Core.so.5
#17 0x00007f0379685b1c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#18 0x00007f037968ab80 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#19 0x00007f03789c6e05 in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#20 0x00007f0378a1dbad in QTimerInfoList::activateTimers() () at
/usr/lib64/libQt5Core.so.5
#21 0x00007f0378a1c3f8 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#22 0x00007f0363f50b1d in  () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#23 0x00007f03789c4d5b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#24 0x00007f03789cc3e6 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#25 0x00007f037abe2b83 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#26 0x00007f037a862b45 in __libc_start_main () at /lib64/libc.so.6
#27 0x000000000040085e in _start ()

Reported using DrKonqi

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