https://bugs.kde.org/show_bug.cgi?id=372639

            Bug ID: 372639
           Summary: KInfocenter crashes in file indexing page
           Product: kinfocenter
           Version: 5.8.2
          Platform: Debian testing
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: hubn...@gmail.com
          Reporter: sdi...@live.de
  Target Milestone: ---

Application: kinfocenter (5.8.2)

Qt Version: 5.6.1
Frameworks Version: 5.27.0
Operating System: Linux 4.8.0-1-amd64 x86_64
Distribution: Debian GNU/Linux testing (stretch)

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

Opened the file indexing page, which do not show any exept of a gray background
and click with the left or right mouse key bottom on the gray area. Then the
application crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: Info Center (kinfocenter), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9ad65358c0 (LWP 2536))]

Thread 5 (Thread 0x7f9ab2108700 (LWP 2541)):
#0  0x00007f9ad36ff56d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f9ad03939f6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9ad0393b0c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9ad401a51b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9ad3fc219a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9ad3de7e53 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9ad2ef7a55 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9ad3decd78 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9ad0dd2464 in start_thread (arg=0x7f9ab2108700) at
pthread_create.c:333
#9  0x00007f9ad37089df in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7f9ab3df9700 (LWP 2540)):
#0  __libc_enable_asynccancel () at
../sysdeps/unix/sysv/linux/x86_64/cancellation.S:67
#1  0x00007f9ad36ff562 in poll () at ../sysdeps/unix/syscall-template.S:84
#2  0x00007f9ad03939f6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9ad0393b0c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9ad401a51b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9ad3fc219a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9ad3de7e53 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9ad2ef7a55 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9ad3decd78 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9ad0dd2464 in start_thread (arg=0x7f9ab3df9700) at
pthread_create.c:333
#10 0x00007f9ad37089df in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7f9abc49a700 (LWP 2538)):
#0  0x00007f9ad36ff56d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f9ad03939f6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9ad0393b0c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9ad401a51b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9ad3fc219a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9ad3de7e53 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9ad667a525 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f9ad3decd78 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9ad0dd2464 in start_thread (arg=0x7f9abc49a700) at
pthread_create.c:333
#9  0x00007f9ad37089df in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7f9ac4cfc700 (LWP 2537)):
#0  0x00007f9ad36ff56d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f9acd6ea150 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9acd6ebee9 in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9ac725aa79 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f9ad3decd78 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9ad0dd2464 in start_thread (arg=0x7f9ac4cfc700) at
pthread_create.c:333
#6  0x00007f9ad37089df in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7f9ad65358c0 (LWP 2536)):
[KCrash Handler]
#6  0x00007f9ad49409de in QWidget::setFocus(Qt::FocusReason) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#7  0x00007f9ad4946daf in QWidget::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f9ad4900bec in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f9ad490608f in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007f9ad3fc4450 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f9ad4903a76 in QApplicationPrivate::setFocusWidget(QWidget*,
Qt::FocusReason) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f9ad4940b85 in QWidget::setFocus(Qt::FocusReason) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f9ad48fe15d in
QApplicationPrivate::giveFocusAccordingToFocusPolicy(QWidget*, QEvent*, QPoint)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f9ad4907d7a in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f9ad3fc4450 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f9ad4905615 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f9ad4960ee6 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f9ad4963803 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f9ad4900bec in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f9ad490608f in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f9ad3fc4450 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f9ad4317713 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#23 0x00007f9ad4318f25 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#24 0x00007f9ad42f6c1b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#25 0x00007f9ac7290d60 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#26 0x00007f9ad03937f7 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f9ad0393a60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f9ad0393b0c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f9ad401a4ff in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f9ad3fc219a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f9ad3fca99c in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x000000000040e944 in ?? ()
#33 0x00007f9ad36402b1 in __libc_start_main (main=0x40e910, argc=1,
argv=0x7fff64c2e958, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff64c2e948) at ../csu/libc-start.c:291
#34 0x000000000040e9aa in _start ()

Possible duplicates by query: bug 326613.

Reported using DrKonqi

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