Bug 364325

Application: ksysguard (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-24-generic x86_64
Distribution: Ubuntu 16.04 LTS

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

System Monitor crashed when I closed its window by pressing X button on the window decoration.

-- Backtrace:
Application: System Monitor (ksysguard), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007fef877dc3e6 in QLabelPrivate::clearContents (this=this@entry=0x1cd7a80) at widgets/qlabel.cpp:1274
#7  0x00007fef877dcf1c in QLabel::setText (this=0x1dd6a60, text=...) at widgets/qlabel.cpp:282
#8  0x00007fef8afdd1a9 in TopLevel::answerReceived (this=0x1dc92b0, id=<optimized out>, answerList=...) at /build/ksysguard-2wYzme/ksysguard-5.5.5/gui/ksysguard.cpp:447
#9  0x00007fef8a276cc1 in KSGRD::SensorAgent::processAnswer(char const*, int) () from /usr/lib/x86_64-linux-gnu/libksgrd.so.7
#10 0x00007fef8a27e5b0 in ?? () from /usr/lib/x86_64-linux-gnu/libksgrd.so.7
#11 0x00007fef86dd2e4f in QtPrivate::QSlotObjectBase::call (a=0x7ffe3ef70cc0, r=0x1ece3e0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#12 QMetaObject::activate (sender=sender@entry=0x1e90500, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=5, argv=argv@entry=0x0) at kernel/qobject.cpp:3698
#13 0x00007fef86dd37d7 in QMetaObject::activate (sender=sender@entry=0x1e90500, m=m@entry=0x7fef86fe9400 <QProcess::staticMetaObject>, local_signal_index=local_signal_index@entry=5, argv=argv@entry=0x0) at kernel/qobject.cpp:3578
#14 0x00007fef86cd1e03 in QProcess::readyReadStandardOutput (this=this@entry=0x1e90500) at .moc/moc_qprocess.cpp:266
#15 0x00007fef86cda362 in QProcessPrivate::tryReadFromChannel (this=0x1ef0420, channel=0x1ef0550) at io/qprocess.cpp:966
#16 0x00007fef86cda7e0 in QProcessPrivate::_q_canReadStandardOutput (this=<optimized out>) at io/qprocess.cpp:977
#17 QProcess::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7ffe3ef70ec0) at .moc/moc_qprocess.cpp:133
#18 0x00007fef86dd2fca in QMetaObject::activate (sender=sender@entry=0x1ead550, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe3ef70ec0) at kernel/qobject.cpp:3713
#19 0x00007fef86dd37d7 in QMetaObject::activate (sender=sender@entry=0x1ead550, m=m@entry=0x7fef86fed780 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe3ef70ec0) at kernel/qobject.cpp:3578
#20 0x00007fef86e5251e in QSocketNotifier::activated (this=this@entry=0x1ead550, _t1=12) at .moc/moc_qsocketnotifier.cpp:134
#21 0x00007fef86ddf47b in QSocketNotifier::event (this=0x1ead550, e=<optimized out>) at kernel/qsocketnotifier.cpp:260
#22 0x00007fef8769705c in QApplicationPrivate::notify_helper (this=this@entry=0x1cd7fc0, receiver=receiver@entry=0x1ead550, e=e@entry=0x7ffe3ef71130) at kernel/qapplication.cpp:3716
#23 0x00007fef8769c516 in QApplication::notify (this=0x7ffe3ef71450, receiver=0x1ead550, e=0x7ffe3ef71130) at kernel/qapplication.cpp:3499
#24 0x00007fef86da462b in QCoreApplication::notifyInternal (this=0x7ffe3ef71450, receiver=0x1ead550, event=event@entry=0x7ffe3ef71130) at kernel/qcoreapplication.cpp:965
#25 0x00007fef86dfaf45 in QCoreApplication::sendEvent (event=0x7ffe3ef71130, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#26 socketNotifierSourceDispatch (source=0x1d14b30) at kernel/qeventdispatcher_glib.cpp:101
#27 0x00007fef7f8fa127 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fef7f8fa380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fef7f8fa42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fef86dfaa7f in QEventDispatcherGlib::processEvents (this=0x1d1cf90, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#31 0x00007fef86da1dea in QEventLoop::exec (this=this@entry=0x7ffe3ef71340, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#32 0x00007fef86da9e8c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#33 0x00007fef870ddc3c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1542
#34 0x00007fef87693495 in QApplication::exec () at kernel/qapplication.cpp:2976
#35 0x00007fef8afdead9 in kdemain (argc=1, argv=<optimized out>) at /build/ksysguard-2wYzme/ksysguard-5.5.5/gui/ksysguard.cpp:596
#36 0x00007fef8abbe830 in __libc_start_main (main=0x400710 <main(int, char**)>, argc=1, argv=0x7ffe3ef71598, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe3ef71588) at ../csu/libc-start.c:291
#37 0x0000000000400749 in _start ()

Possible duplicates by query: bug 358970, bug 358706.

Reported using DrKonqi