[systemsettings] [Bug 370973] New: KFontViewer crashes on closing after viewing fints

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=370973

            Bug ID: 370973
           Summary: KFontViewer crashes on closing after viewing fints
           Product: systemsettings
           Version: 5.5.5
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: kcm_fontinst
          Assignee: unassigned-bugs at kde.org
          Reporter: hotmusicfan at mail.bg

Application: kfontview (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.1.31-30-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
I reviewed font files and in some cases KFontViewer crashes when closing its
window.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Font Viewer (kfontview), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff56d0d8800 (LWP 4492))]

Thread 2 (Thread 0x7ff557d1c700 (LWP 4493)):
[KCrash Handler]
#6  0x00007ff56a7b90c7 in raise () from /lib64/libc.so.6
#7  0x00007ff56a7ba478 in abort () from /lib64/libc.so.6
#8  0x00007ff56a7f6784 in __libc_message () from /lib64/libc.so.6
#9  0x00007ff56a7fc026 in malloc_printerr () from /lib64/libc.so.6
#10 0x00007ff56a7fcd53 in _int_free () from /lib64/libc.so.6
#11 0x00007ff55fc83ae6 in _nv007tls () from
/usr/lib64/tls/libnvidia-tls.so.367.57
#12 0x00007ff5651afe62 in __nptl_deallocate_tsd () from /lib64/libpthread.so.0
#13 0x00007ff5651b00b7 in start_thread () from /lib64/libpthread.so.0
#14 0x00007ff56a86902d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7ff56d0d8800 (LWP 4492)):
#0  0x00007ff56a860bfd in poll () from /lib64/libc.so.6
#1  0x00007ff562f12422 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007ff562f13d5f in ?? () from /usr/lib64/libxcb.so.1
#3  0x00007ff562f13ed2 in xcb_wait_for_reply64 () from /usr/lib64/libxcb.so.1
#4  0x00007ff5699431f0 in _XReply () from /usr/lib64/libX11.so.6
#5  0x00007ff56993ee8d in XSync () from /usr/lib64/libX11.so.6
#6  0x00007ff5699211e0 in XCloseDisplay () from /usr/lib64/libX11.so.6
#7  0x00007ff55a073fce in QXcbConnection::~QXcbConnection() () from
/usr/lib64/libQt5XcbQpa.so.5
#8  0x00007ff55a0743d9 in QXcbConnection::~QXcbConnection() () from
/usr/lib64/libQt5XcbQpa.so.5
#9  0x00007ff55a07af8e in QXcbIntegration::~QXcbIntegration() () from
/usr/lib64/libQt5XcbQpa.so.5
#10 0x00007ff55a07b089 in QXcbIntegration::~QXcbIntegration() () from
/usr/lib64/libQt5XcbQpa.so.5
#11 0x00007ff566231cb5 in QGuiApplicationPrivate::~QGuiApplicationPrivate() ()
from /usr/lib64/libQt5Gui.so.5
#12 0x00007ff56be28469 in QApplicationPrivate::~QApplicationPrivate() () from
/usr/lib64/libQt5Widgets.so.5
#13 0x00007ff56b16f314 in QObject::~QObject() () from
/usr/lib64/libQt5Core.so.5
#14 0x00007ff56be29fec in QApplication::~QApplication() () from
/usr/lib64/libQt5Widgets.so.5
#15 0x0000000000406b90 in main ()

Possible duplicates by query: bug 360450.

Reported using DrKonqi

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