[Bug 245566] New: KMail sometimes segfaults when accessing IMAP folders

Kai Krakow kai at kaishome.de
Fri Jul 23 19:26:34 BST 2010 

https://bugs.kde.org/show_bug.cgi?id=245566

           Summary: KMail sometimes segfaults when accessing IMAP folders
           Product: kontact
           Version: 4.4.3
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: kai at kaishome.de


Application: kontact (4.4.3)
KDE Platform Version: 4.4.4 (KDE 4.4.4) (Compiled from sources)
Qt Version: 4.6.3
Operating System: Linux 2.6.34-gentoo-r1 i686
Distribution (Platform): Gentoo Packages

-- Information about the crash:
I was just browsing through different IMAP folders when KMail suddenly
segfaulted (immediatly on switching the folder).

The crash can be reproduced some of the time.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  QBasicAtomicInt::operator!= (this=0xba63130, kiddo=0xba669d8) at
/usr/include/qt4/QtCore/qbasicatomic.h:75
#7  QMap<KPIM::ProgressItem*, bool>::detach (this=0xba63130, kiddo=0xba669d8)
at /usr/include/qt4/QtCore/qmap.h:182
#8  QMap<KPIM::ProgressItem*, bool>::remove (this=0xba63130, kiddo=0xba669d8)
at /usr/include/qt4/QtCore/qmap.h:638
#9  KPIM::ProgressItem::removeChild (this=0xba63130, kiddo=0xba669d8) at
/var/tmp/portage/kde-base/libkdepim-4.4.4/work/libkdepim-4.4.4/libkdepim/progressmanager.cpp:73
#10 0xb76fe879 in KPIM::ProgressItem::setComplete (this=0xba669d8) at
/var/tmp/portage/kde-base/libkdepim-4.4.4/work/libkdepim-4.4.4/libkdepim/progressmanager.cpp:58
#11 0xafdaafdb in KMail::ImapAccountBase::removeJob (this=0x9e497e0, it=...) at
/var/tmp/portage/kde-base/kmail-4.4.4/work/kmail-4.4.4/kmail/imapaccountbase.cpp:1375
#12 0xafca851a in KMail::ListJob::slotListResult (this=0xa05bee0,
job=0xb3c2668) at
/var/tmp/portage/kde-base/kmail-4.4.4/work/kmail-4.4.4/kmail/listjob.cpp:182
#13 0xafca8fad in KMail::ListJob::qt_metacall (this=0xa05bee0,
_c=QMetaObject::InvokeMetaMethod, _id=13, _a=0xbf9a9348)
    at
/var/tmp/portage/kde-base/kmail-4.4.4/work/kmail-4.4.4_build/kmail/listjob.moc:83
#14 0xb62a004d in QMetaObject::metacall (object=0xa05bee0,
cl=QMetaObject::ReadProperty, idx=13, argv=0xbf9a9348) at
kernel/qmetaobject.cpp:237
#15 0xb62af47c in QMetaObject::activate (sender=0xb3c2668, m=0xb70a5c88,
local_signal_index=3, argv=<value optimized out>) at kernel/qobject.cpp:3287
#16 0xb6f29554 in KJob::result (this=0xb3c2668, _t1=0xb3c2668) at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4_build/kdecore/kjob.moc:194
#17 0xb6f298f8 in KJob::emitResult (this=0xb3c2668) at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4/kdecore/jobs/kjob.cpp:312
#18 0xb55b9973 in KIO::SimpleJob::slotFinished (this=0xb3c2668) at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4/kio/kio/job.cpp:517
#19 0xb55b9af2 in KIO::ListJob::slotFinished (this=0xb3c2668) at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4/kio/kio/job.cpp:2544
#20 0xb55bda4d in KIO::ListJob::qt_metacall (this=0xb3c2668,
_c=QMetaObject::InvokeMetaMethod, _id=43, _a=0xbf9a959c)
    at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4_build/kio/jobclasses.moc:818
#21 0xb62a004d in QMetaObject::metacall (object=0xb3c2668,
cl=QMetaObject::ReadProperty, idx=43, argv=0xbf9a959c) at
kernel/qmetaobject.cpp:237
#22 0xb62af47c in QMetaObject::activate (sender=0xa1b4820, m=0xb5777f44,
local_signal_index=4, argv=<value optimized out>) at kernel/qobject.cpp:3287
#23 0xb568d6a4 in KIO::SlaveInterface::finished (this=0xa1b4820) at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4_build/kio/slaveinterface.moc:171
#24 0xb5690d43 in KIO::SlaveInterface::dispatch (this=0xa1b4820, _cmd=104,
rawdata=...) at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4/kio/kio/slaveinterface.cpp:175
#25 0xb568dc16 in KIO::SlaveInterface::dispatch (this=0xa1b4820) at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4/kio/kio/slaveinterface.cpp:91
#26 0xb5680888 in KIO::Slave::gotInput (this=0xa1b4820) at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4/kio/kio/slave.cpp:324
#27 0xb5680adc in KIO::Slave::qt_metacall (this=0xa1b4820,
_c=QMetaObject::InvokeMetaMethod, _id=30, _a=0xbf9a989c)
    at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4_build/kio/slave.moc:82
#28 0xb62a004d in QMetaObject::metacall (object=0xa1b4820,
cl=QMetaObject::ReadProperty, idx=30, argv=0xbf9a989c) at
kernel/qmetaobject.cpp:237
#29 0xb62af47c in QMetaObject::activate (sender=0x9ab4f90, m=0xb5774820,
local_signal_index=0, argv=<value optimized out>) at kernel/qobject.cpp:3287
#30 0xb557f1f1 in KIO::Connection::readyRead (this=0x9ab4f90) at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4_build/kio/connection.moc:92
#31 0xb55815c6 in KIO::ConnectionPrivate::dequeue (this=0x9a66c08) at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4/kio/kio/connection.cpp:82
#32 0xb558170f in KIO::Connection::qt_metacall (this=0x9ab4f90,
_c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xb9eeed0)
    at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4_build/kio/connection.moc:79
#33 0xb62a004d in QMetaObject::metacall (object=0x9ab4f90,
cl=QMetaObject::ReadProperty, idx=5, argv=0xb9eeed0) at
kernel/qmetaobject.cpp:237
#34 0xb62aab03 in QMetaCallEvent::placeMetaCall (this=0xbbb9120,
object=0x9ab4f90) at kernel/qobject.cpp:561
#35 0xb62abcd0 in QObject::event (this=0x9ab4f90, e=0xbbb9120) at
kernel/qobject.cpp:1240
#36 0xb64e8e6c in QApplicationPrivate::notify_helper (this=0x97f7c08,
receiver=0x9ab4f90, e=0xbbb9120) at kernel/qapplication.cpp:4302
#37 0xb64efd28 in QApplication::notify (this=0xbf9aa19c, receiver=0x9ab4f90,
e=0xbbb9120) at kernel/qapplication.cpp:3706
#38 0xb7290661 in KApplication::notify (this=0xbf9aa19c, receiver=0x9ab4f90,
event=0xbbb9120) at
/var/tmp/portage/kde-base/kdelibs-4.4.4/work/kdelibs-4.4.4/kdeui/kernel/kapplication.cpp:302
#39 0xb629aa6d in QCoreApplication::notifyInternal (this=0xbf9aa19c,
receiver=0x9ab4f90, event=0xbbb9120) at kernel/qcoreapplication.cpp:726
#40 0xb629e5de in QCoreApplication::sendEvent (receiver=0x0, event_type=0,
data=0x97d7dc8) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#41 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x97d7dc8) at kernel/qcoreapplication.cpp:1367
#42 0xb629e75c in QCoreApplication::sendPostedEvents (receiver=0x0,
event_type=0) at kernel/qcoreapplication.cpp:1260
#43 0xb62c877b in QCoreApplication::sendPostedEvents (s=0x97f9d10) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#44 postEventSourceDispatch (s=0x97f9d10) at
kernel/qeventdispatcher_glib.cpp:276
#45 0xb40e94fb in g_main_dispatch (context=0x97f9c90) at gmain.c:1960
#46 IA__g_main_context_dispatch (context=0x97f9c90) at gmain.c:2513
#47 0xb40ecdf8 in g_main_context_iterate (context=0x97f9c90, block=1,
dispatch=1, self=0x97f4a78) at gmain.c:2591
#48 0xb40ecf7f in IA__g_main_context_iteration (context=0x97f9c90, may_block=1)
at gmain.c:2654
#49 0xb62c8151 in QEventDispatcherGlib::processEvents (this=0x97d7890,
flags=...) at kernel/qeventdispatcher_glib.cpp:412
#50 0xb65ac48a in QGuiEventDispatcherGlib::processEvents (this=0x97d7890,
flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#51 0xb6298fcd in QEventLoop::processEvents (this=0xbf9aa104, flags=) at
kernel/qeventloop.cpp:149
#52 0xb6299429 in QEventLoop::exec (this=0xbf9aa104, flags=...) at
kernel/qeventloop.cpp:201
#53 0xb629e82a in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#54 0xb64e8f14 in QApplication::exec () at kernel/qapplication.cpp:3581
#55 0x0804bedd in main (argc=-1080384620, argv=0xbf9aa1d0) at
/var/tmp/portage/kde-base/kontact-4.4.4/work/kontact-4.4.4/kontact/src/main.cpp:224

Possible duplicates by query: bug 243397, bug 236892.

Reported using DrKonqi

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