[drkonqi] [Bug 361160] New: drkonqi crash loop in QInternal::activateCallbacks(QInternal::Callback, void**)

[Michał via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=361160

            Bug ID: 361160
           Summary: drkonqi crash loop in
                    QInternal::activateCallbacks(QInternal::Callback,
                    void**)
           Product: drkonqi
           Version: 5.6.1
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: grave
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: mcv at op.pl

I just updated system to get new Qt hoping that it will eliminate never-ending
crashes of plasmashell. But it looks like with plasma-5.6.1 and Qt-5.6 every
KDE application crashes on exit. It doesn't affect non-KDE apps. DrKonqi gets
into infinite crash-report-crash loop.

It may be a bug in Qt - I have no idea, but some Qt apps that aren't
KDE-related don't have this problem.

Since I didn't know where to report general bug, I chose drkonqi. If possible,
please move it to the right section.

Application: drkonqi (drkonqi), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f05d2163800 (LWP 1401))]

Thread 2 (Thread 0x7f05b72fd700 (LWP 1403)):
[KCrash Handler]
#5  0x00007f05b688b930 in ?? ()
#6  0x00007f05cdee4b52 in QInternal::activateCallbacks(QInternal::Callback,
void**) () from /usr/lib/libQt5Core.so.5
#7  0x00007f05ce0d4495 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#8  0x00007f05ce107f97 in QObjectPrivate::setParent_helper(QObject*) () from
/usr/lib/libQt5Core.so.5
#9  0x00007f05ce108558 in QObject::~QObject() () from /usr/lib/libQt5Core.so.5
#10 0x00007f05ce10d3e9 in QSocketNotifier::~QSocketNotifier() () from
/usr/lib/libQt5Core.so.5
#11 0x00007f05cf5401af in ?? () from /usr/lib/libQt5DBus.so.5
#12 0x00007f05cb172583 in _dbus_watch_list_remove_watch () from
/usr/lib/libdbus-1.so.3
#13 0x00007f05cb170a1e in ?? () from /usr/lib/libdbus-1.so.3
#14 0x00007f05cb170a99 in ?? () from /usr/lib/libdbus-1.so.3
#15 0x00007f05cb16f85b in ?? () from /usr/lib/libdbus-1.so.3
#16 0x00007f05cb15a422 in ?? () from /usr/lib/libdbus-1.so.3
#17 0x00007f05cf542042 in ?? () from /usr/lib/libQt5DBus.so.5
#18 0x00007f05cf5421d4 in ?? () from /usr/lib/libQt5DBus.so.5
#19 0x00007f05cf5424e9 in ?? () from /usr/lib/libQt5DBus.so.5
#20 0x00007f05cf532b0e in ?? () from /usr/lib/libQt5DBus.so.5
#21 0x00007f05cdf00de8 in ?? () from /usr/lib/libQt5Core.so.5
#22 0x00007f05cb5b2424 in start_thread () from /usr/lib/libpthread.so.0
#23 0x00007f05cd81acbd in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f05d2163800 (LWP 1401)):
#0  0x00007f05cb5b803f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f05cdf01c8b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#2  0x00007f05cdf0099e in QThread::wait(unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007f05cf5328c6 in ?? () from /usr/lib/libQt5DBus.so.5
#4  0x00007f05cf532959 in ?? () from /usr/lib/libQt5DBus.so.5
#5  0x00007f05cd768c38 in __run_exit_handlers () from /usr/lib/libc.so.6
#6  0x00007f05cd768c85 in exit () from /usr/lib/libc.so.6
#7  0x00007f05cd753717 in __libc_start_main () from /usr/lib/libc.so.6
#8  0x000000000041d6c9 in _start ()

I'll try to recompile Qt with debug symbols, but I can't promise it'll work
since the last time I failed to do this.

Reproducible: Always

Steps to Reproduce:
Quit any KDE application.

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