[systemsettings] [Bug 340605] New: kcmshell4 crash when closing with authorisation dialog open

RJVB rjvbertin at gmail.com
Mon Nov 3 14:38:01 GMT 2014 

https://bugs.kde.org/show_bug.cgi?id=340605

            Bug ID: 340605
           Summary: kcmshell4 crash when closing with authorisation dialog
                    open
           Product: systemsettings
           Version: unspecified
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: rjvbertin at gmail.com

Application: kcmshell4 (4.14.2)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.16.4-ck2-kubuntu-amdf10-rjvb x86_64
Distribution: Ubuntu 14.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I had made some modifications to my kwallet settings. When I hit the OK button,
an authorisation dialog was presented, as expected. By mistake I hit the OK
button another time, and proceeded to enter my password in the dialog. I am not
sure if the kcmshell window disappeared (and the crash reporter appeared)
before I finished entering my password or only after wards.

-- Backtrace:
Application: KDE Control Module (kcmshell4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
To enable execution of this file add
    add-auto-load-safe-path
/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.20-gdb.py
line to your configuration file "/home/bertin/.gdbinit".
To completely disable this security protection add
    set auto-load safe-path /
line to your configuration file "/home/bertin/.gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual.  E.g., run from the shell:
    info "(gdb)Auto-loading safe path"
[Current thread is 1 (Thread 0x7f802d46e7c0 (LWP 3988))]

Thread 2 (Thread 0x7f801a68c700 (LWP 3990)):
#0  0x00007f802cdc9c6d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f802786dfe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f802786e30a in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f801afb4336 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f8027892f05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f802839a182 in start_thread (arg=0x7f801a68c700) at
pthread_create.c:312
#6  0x00007f802cdd6fbd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f802d46e7c0 (LWP 3988)):
[KCrash Handler]
#6  KConfigBase::isGroupImmutable (this=0x0, aGroup=...) at
../../kdecore/config/kconfigbase.cpp:91
#7  0x00007f802c038a01 in KConfigGroupPrivate (name=..., owner=...,
this=0x128bd10) at ../../kdecore/config/kconfiggroup.cpp:55
#8  KConfigGroup::KConfigGroup (this=0x7fffe3261120, master=...,
_group=<optimized out>) at ../../kdecore/config/kconfiggroup.cpp:493
#9  0x00007f801b8df68a in ?? () from /usr/lib/kde4/kcm_kwallet.so
#10 0x00007f802cabe327 in KCModuleProxy::save (this=this at entry=0xa4c520) at
../../kutils/kcmoduleproxy.cpp:280
#11 0x00007f802caba5a8 in KCMultiDialogPrivate::apply (this=<optimized out>) at
../../kutils/kcmultidialog.cpp:300
#12 0x00007f802caba6d7 in KCMultiDialog::slotOkClicked (this=0xa96480) at
../../kutils/kcmultidialog.cpp:334
#13 0x00007f802b9b795a in QMetaObject::activate (sender=0xa99830,
m=m at entry=0x7f802ca8d8a0 <KPushButton::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7fffe32613d0)
at kernel/qobject.cpp:3567
#14 0x00007f802c73aaff in KPushButton::authorized (this=<optimized out>,
_t1=0xb1de50) at ./kpushbutton.moc:142
#15 0x00007f802b9b795a in QMetaObject::activate (sender=sender at entry=0xa99830,
m=m at entry=0x7f802b7f12a0 <QAbstractButton::staticMetaObject>,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0x7fffe3261500)
at kernel/qobject.cpp:3567
#16 0x00007f802b361512 in QAbstractButton::clicked (this=this at entry=0xa99830,
_t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:219
#17 0x00007f802b082ef3 in QAbstractButtonPrivate::emitClicked
(this=this at entry=0xaedc00) at widgets/qabstractbutton.cpp:548
#18 0x00007f802b084243 in QAbstractButtonPrivate::click
(this=this at entry=0xaedc00) at widgets/qabstractbutton.cpp:541
#19 0x00007f802b08432c in QAbstractButton::mouseReleaseEvent (this=0xa99830,
e=0x7fffe3261a20) at widgets/qabstractbutton.cpp:1123
#20 0x00007f802acaed5a in QWidget::event (this=0xa99830, event=0x7fffe3261a20)
at kernel/qwidget.cpp:8389
#21 0x00007f802ac580ac in QApplicationPrivate::notify_helper
(this=this at entry=0x912710, receiver=receiver at entry=0xa99830,
e=e at entry=0x7fffe3261a20) at kernel/qapplication.cpp:4570
#22 0x00007f802ac5f208 in QApplication::notify (this=this at entry=0x7fffe3262370,
receiver=receiver at entry=0xa99830, e=e at entry=0x7fffe3261a20) at
kernel/qapplication.cpp:4113
#23 0x00007f802c678cca in KApplication::notify (this=0x7fffe3262370,
receiver=0xa99830, event=0x7fffe3261a20) at
../../kdeui/kernel/kapplication.cpp:311
#24 0x00007f802b9a1c04 in QCoreApplication::notifyInternal
(this=0x7fffe3262370, receiver=receiver at entry=0xa99830,
event=event at entry=0x7fffe3261a20) at kernel/qcoreapplication.cpp:953
#25 0x00007f802ac5e8cf in sendSpontaneousEvent (event=0x7fffe3261a20,
receiver=0xa99830) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#26 QApplicationPrivate::sendMouseEvent (receiver=receiver at entry=0xa99830,
event=event at entry=0x7fffe3261a20, alienWidget=alienWidget at entry=0xa99830,
nativeWidget=nativeWidget at entry=0xa96480,
buttonDown=buttonDown at entry=0x7f802b803820 <qt_button_down>,
lastMouseReceiver=..., spontaneous=spontaneous at entry=true) at
kernel/qapplication.cpp:3176
#27 0x00007f802acdd28a in QETWidget::translateMouseEvent
(this=this at entry=0xa96480, event=event at entry=0x7fffe3261dd0) at
kernel/qapplication_x11.cpp:4634
#28 0x00007f802acdc95a in QApplication::x11ProcessEvent (this=0x7fffe3262370,
event=event at entry=0x7fffe3261dd0) at kernel/qapplication_x11.cpp:3627
#29 0x00007f802ad06c6a in x11EventSourceDispatch (s=0x90b1c0, callback=0x0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#30 0x00007f802786de04 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f802786e048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f802786e0ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f802b9d270f in QEventDispatcherGlib::processEvents (this=0x8fafd0,
flags=...) at kernel/qeventdispatcher_glib.cpp:434
#34 0x00007f802ad06d86 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#35 0x00007f802b9a05af in QEventLoop::processEvents
(this=this at entry=0x7fffe32621c0, flags=...) at kernel/qeventloop.cpp:149
#36 0x00007f802b9a08ed in QEventLoop::exec (this=this at entry=0x7fffe32621c0,
flags=...) at kernel/qeventloop.cpp:204
#37 0x00007f802b192b5b in QDialog::exec (this=0xa96480) at
dialogs/qdialog.cpp:562
#38 0x00007f802d0a9cb5 in kdemain () from
/usr/lib/kde4/libkdeinit/libkdeinit4_kcmshell4.so
#39 0x00007f802ccfdec5 in __libc_start_main (main=0x4006d0, argc=2,
argv=0x7fffe32624a8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffe3262498) at libc-start.c:287
#40 0x00000000004006fe in _start ()

Reported using DrKonqi

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