[Kolab-devel] [issue240] segfault when syncing mail

[Bernhard Herzog]

New submission from Bernhard Herzog <bh at intevation.de>:

I just got a segfault when trying to sync my mail.  Looks like someone's trying
to dereference NULL pointers.

[New Thread 1024 (LWP 22085)]
0x41764a59 in wait4 () from /lib/libc.so.6
#0  0x41764a59 in wait4 () from /lib/libc.so.6
#1  0x417dbe48 in __check_rhosts_file () from /lib/libc.so.6
#2  0x4164a453 in waitpid () from /lib/libpthread.so.0
#3  0x40b235dd in KCrash::defaultCrashHandler (sig=11) at kcrash.cpp:246
#4  0x41647f54 in pthread_sighandler () from /lib/libpthread.so.0
#5  0x416ed6b8 in sigaction () from /lib/libc.so.6
#6  0x40316c35 in KABC::AddressBook::addressBookChanged (this=0x0, t0=0x0)
    at addressbook.moc:132
#7  0x4031c8e9 in KABC::AddressBook::emitAddressBookChanged (this=0x0)
    at addressbook.h:354
#8  0x42de3df6 in KABC::ResourceIMAP::deleteIncidence (this=0x86635d8, 
    type=@0xbfffeee8, uid=@0xbfffeef0) at resourceimap.cpp:278
#9  0x42deaa39 in ResourceIMAPBase::KMailConnection::deleteIncidence (
    this=0x8663730, type=@0xbfffeee8, folder=@0xbfffeeec, uid=@0xbfffeef0)
    at kmailconnection.cpp:113
#10 0x42deb988 in ResourceIMAPBase::KMailConnection::process (this=0x8663730, 
    fun=@0xbffff048, data=@0xbffff050, replyType=@0xbffff058, 
    replyData=@0xbffff02c) at kmailconnection_skel.cpp:53
#11 0x40c1233e in DCOPClient::receive (this=0x80768d0, objId=@0xbffff040, 
    fun=@0xbffff048, data=@0xbffff050, replyType=@0xbffff058, 
    replyData=@0xbffff02c) at dcopclient.cpp:1602
#12 0x40c0c7e4 in DCOPProcessInternal (d=0x8076900, opcode=1, key=1, 
    dataReceived=@0xbffff104, canPost=true) at dcopclient.cpp:508
#13 0x40c0c18e in DCOPProcessMessage (iceConn=0x8077ab8, 
    clientObject=0x8076900, opcode=1, length=327, replyWait=0x0, 
    replyWaitRet=0xbffff174) at dcopclient.cpp:419
#14 0x40c20995 in KDE_IceProcessMessages (iceConn=0x8077ab8, replyWait=0x0, 
    replyReadyRet=0x0) at process.c:325
#15 0x40c13846 in DCOPClient::processSocketData (this=0x80768d0, fd=3)
    at dcopclient.cpp:1945
#16 0x40c14fb1 in DCOPClient::qt_invoke (this=0x80768d0, _id=2, _o=0xbffff314)
    at dcopclient.moc:174
#17 0x40f6532a in QObject::activate_signal (this=0x80b9f88, clist=0x80b8b10, 
    o=0xbffff314) at kernel/qobject.cpp:2333
#18 0x40f656f3 in QObject::activate_signal (this=0x80b9f88, signal=2, param=3)
    at kernel/qobject.cpp:2426
#19 0x412b69da in QSocketNotifier::activated (this=0x80b9f88, t0=3)
    at .moc/debug-shared-mt/moc_qsocketnotifier.cpp:85
#20 0x40f838a2 in QSocketNotifier::event (this=0x80b9f88, e=0xbffff588)
    at kernel/qsocketnotifier.cpp:271
#21 0x40efecd5 in QApplication::internalNotify (this=0xbffff7e8, 
    receiver=0x80b9f88, e=0xbffff588) at kernel/qapplication.cpp:2582
#22 0x40efddbb in QApplication::notify (this=0xbffff7e8, receiver=0x80b9f88, 
    e=0xbffff588) at kernel/qapplication.cpp:2305
#23 0x40a965b9 in KApplication::notify (this=0xbffff7e8, receiver=0x80b9f88, 
    event=0xbffff588) at kapplication.cpp:507
#24 0x412acd94 in QApplication::sendEvent (receiver=0x80b9f88, 
    event=0xbffff588) at .moc/debug-shared-mt/../../kernel/qapplication.h:492
#25 0x40eed6e2 in QEventLoop::activateSocketNotifiers (this=0x80afeb0)
    at kernel/qeventloop_unix.cpp:579
#26 0x40ea7a3c in QEventLoop::processEvents (this=0x80afeb0, flags=4)
    at kernel/qeventloop_x11.cpp:340
#27 0x40f15290 in QEventLoop::enterLoop (this=0x80afeb0)
    at kernel/qeventloop.cpp:198
#28 0x40f151c9 in QEventLoop::exec (this=0x80afeb0)
    at kernel/qeventloop.cpp:145
#29 0x40efee8d in QApplication::exec (this=0xbffff7e8)
    at kernel/qapplication.cpp:2705
#30 0x0805b584 in main (argc=1, argv=0xbffff974) at main.cpp:171

----------
assignedto: bo
messages: 871
nosy: bh, bo
priority: bug
status: unread
title: segfault when syncing mail
topic: kde client
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Kolab issue tracker <kolab-issues at intevation.de>
<https://intevation.de/roundup/kolab/issue240>
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