[issue4848] Crash when switching to Koraganizer part in Kontact (Incidence::categories)

aheinecke <[email protected]>
Newsgroups gmane.comp.kde.devel.kolab,gmane.comp.kde.kolab.devel
Message-ID <[email protected]> 
User switched to Calendar and got the crash, not reproducable.
Appears to me that its crashing while obtaining a copy of the StringList no idea
how that can happen.

Attached is the backtrace.

----------
assignedto: allen
files: incidence-categories-20120712.txt
keyword: enterprise35, kde client
messages: 28738
nosy: aheinecke, allen, emanuel, laurent, ludwig, sergio, till, vkrause
priority: bug
status: unread
title: Crash when switching to Koraganizer part in Kontact (Incidence::categories)

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<https://roundup.kolab.org/issue4848>
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incidence-categories-20120712.txt (text/plain, 5.6 KB) 
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0xf5319710 (LWP 3168))]

Thread 5 (Thread 0xf3814b70 (LWP 3234)):
#0  0xf7728425 in __kernel_vsyscall ()
#1  0xf56fafcf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0
#2  0xf6dbd55d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xf684c68a in QWaitCondition::wait (this=0x90f8664, time=4294967295) at tools/qwaitcondition_unix.cpp:245
#4  0xf7650cbf in KPIM::ThreadWeaver::Weaver::applyForWork (this=0x90f85f0, th=0x90b3d20, previous=0x0) at weaver.cpp:519
#5  0xf7650f26 in KPIM::ThreadWeaver::Thread::run (this=0x90b3d20) at weaver.cpp:215
#6  0xf652825f in QThreadInstance::start (_arg=0x909e71c) at kernel/qthread_unix.cpp:122
#7  0xf56f6955 in start_thread () from /lib/i686/cmov/libpthread.so.0
#8  0xf6db05ee in clone () from /lib/i686/cmov/libc.so.6

Thread 4 (Thread 0xf3013b70 (LWP 3235)):
#0  0xf7728425 in __kernel_vsyscall ()
#1  0xf56fafcf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0
#2  0xf6dbd55d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xf684c68a in QWaitCondition::wait (this=0x90f8664, time=4294967295) at tools/qwaitcondition_unix.cpp:245
#4  0xf7650cbf in KPIM::ThreadWeaver::Weaver::applyForWork (this=0x90f85f0, th=0x90ce6b8, previous=0x0) at weaver.cpp:519
#5  0xf7650f26 in KPIM::ThreadWeaver::Thread::run (this=0x90ce6b8) at weaver.cpp:215
#6  0xf652825f in QThreadInstance::start (_arg=0x90f83dc) at kernel/qthread_unix.cpp:122
#7  0xf56f6955 in start_thread () from /lib/i686/cmov/libpthread.so.0
#8  0xf6db05ee in clone () from /lib/i686/cmov/libc.so.6

Thread 3 (Thread 0xf26ffb70 (LWP 3236)):
#0  0xf7728425 in __kernel_vsyscall ()
#1  0xf56fafcf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0
#2  0xf6dbd55d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xf684c68a in QWaitCondition::wait (this=0x90f8664, time=4294967295) at tools/qwaitcondition_unix.cpp:245
#4  0xf7650cbf in KPIM::ThreadWeaver::Weaver::applyForWork (this=0x90f85f0, th=0x90ce540, previous=0x0) at weaver.cpp:519
#5  0xf7650f26 in KPIM::ThreadWeaver::Thread::run (this=0x90ce540) at weaver.cpp:215
#6  0xf652825f in QThreadInstance::start (_arg=0x90f8464) at kernel/qthread_unix.cpp:122
#7  0xf56f6955 in start_thread () from /lib/i686/cmov/libpthread.so.0
#8  0xf6db05ee in clone () from /lib/i686/cmov/libc.so.6

Thread 2 (Thread 0xf1efeb70 (LWP 3237)):
#0  0xf7728425 in __kernel_vsyscall ()
#1  0xf56fafcf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0
#2  0xf6dbd55d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xf684c68a in QWaitCondition::wait (this=0x90f8664, time=4294967295) at tools/qwaitcondition_unix.cpp:245
#4  0xf7650cbf in KPIM::ThreadWeaver::Weaver::applyForWork (this=0x90f85f0, th=0xf2700548, previous=0x0) at weaver.cpp:519
#5  0xf7650f26 in KPIM::ThreadWeaver::Thread::run (this=0xf2700548) at weaver.cpp:215
#6  0xf652825f in QThreadInstance::start (_arg=0xf2700564) at kernel/qthread_unix.cpp:122
#7  0xf56f6955 in start_thread () from /lib/i686/cmov/libpthread.so.0
#8  0xf6db05ee in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread 0xf5319710 (LWP 3168)):
[KCrash Handler]
#6  0x08061756 in QShared::ref (this=0x63656a62) at /usr/share/qt3/include/qshared.h:52
#7  0xf7628bf4 in QValueList (this=0xffdf2fbc, l=...) at /usr/share/qt3/include/qvaluelist.h:436
#8  0xf7628c24 in QStringList (this=0xffdf2fbc, l=...) at /usr/share/qt3/include/qstringlist.h:65
#9  0xf5b585ce in KCal::Incidence::categories (this=0x9211d08) at incidence.cpp:317
#10 0xf4a0fba7 in MonthViewItem::catColor (this=0x91bae88) at komonthview.cpp:233
#11 0xf4a10425 in MonthViewItem::paint (this=0x91bae88, p=0xffdf328c) at komonthview.cpp:283
#12 0xf66716ba in QListBox::paintCell (this=0xef681c58, p=0xffdf328c, row=1, col=0) at widgets/qlistbox.cpp:4110
#13 0xf6674731 in QListBox::viewportPaintEvent (this=0xef681c58, e=0xffdf3824) at widgets/qlistbox.cpp:3828
#14 0xf66afd7a in QScrollView::eventFilter (this=0xef681c58, obj=0xef6823f0, e=0xffdf3824) at widgets/qscrollview.cpp:1492
#15 0xf666b8ab in QListBox::eventFilter (this=0xef681c58, o=0xef6823f0, e=0xffdf3824) at widgets/qlistbox.cpp:2751
#16 0xf6592a4c in QObject::activate_filters (this=0xef6823f0, e=0xffdf3824) at kernel/qobject.cpp:906
#17 0xf6592abb in QObject::event (this=0xef6823f0, e=0xffdf3824) at kernel/qobject.cpp:738
#18 0xf65ccaac in QWidget::event (this=0xef6823f0, e=0xffdf3824) at kernel/qwidget.cpp:4681
#19 0xf652e167 in QApplication::internalNotify (this=0xffdf3c14, receiver=0xef6823f0, e=0xffdf3824) at kernel/qapplication.cpp:2638
#20 0xf652f11b in QApplication::notify (this=0xffdf3c14, receiver=0xef6823f0, e=0xffdf3824) at kernel/qapplication.cpp:2526
#21 0xf6b6b795 in KApplication::notify (this=0xffdf3c14, receiver=0xef6823f0, event=0xffdf3824)
    at /tmp/buildd/kdelibs-3.5.10.enterprise.0.201206051720.git24c6a4a.133e922/./kdecore/kapplication.cpp:550
#22 0xf64ba810 in QApplication::sendSpontaneousEvent (this=0xef6823f0, event=0xffdf3aec) at kernel/qapplication.h:526
#23 QETWidget::translatePaintEvent (this=0xef6823f0, event=0xffdf3aec) at kernel/qapplication_x11.cpp:5828
#24 0xf64c4813 in QApplication::x11ProcessEvent (this=0xffdf3c14, event=0xffdf3aec) at kernel/qapplication_x11.cpp:3546
#25 0xf64d8754 in QEventLoop::processEvents (this=0x81bb668, flags=4) at kernel/qeventloop_x11.cpp:195
#26 0xf6547130 in QEventLoop::enterLoop (this=0x81bb668) at kernel/qeventloop.cpp:201
#27 0xf6546fd6 in QEventLoop::exec (this=0x81bb668) at kernel/qeventloop.cpp:148
#28 0xf652e7bf in QApplication::exec (this=0xffdf3c14) at kernel/qapplication.cpp:2761
#29 0x08061310 in main (argc=3, argv=0xffdf3df4) at main.cpp:190
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