[Bug 210106] New: crash while switching channels (marker line code)

[Modestas Vainius]

https://bugs.kde.org/show_bug.cgi?id=210106

           Summary: crash while switching channels (marker line code)
           Product: konversation
           Version: 1.2
          Platform: Debian testing
        OS/Version: Linux
            Status: NEW
          Severity: crash
          Priority: NOR
         Component: ircview
        AssignedTo: argonel@...
        ReportedBy: modestas@...
                CC: konversation-devel@...


Version:           1.2 (using KDE 4.3.1)
OS:                Linux
Installed from:    Debian testing/unstable Packages

Konversation 1.2 crashed when switching channel tab with keyboard. The crash is
in the marker line code. Backtrace below:

Application: Konversation (konversation), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fb055cfc750 (LWP 23949))]

Thread 2 (Thread 0x7fb04310f950 (LWP 23950)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007fb052059499 in QWaitConditionPrivate::wait (this=0x2660cd0,
mutex=0x2660cc8, time=18446744073709551615) at
thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=0x2660cd0, mutex=0x2660cc8,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007fb0536713b4 in QHostInfoAgent::run (this=0x2660cb0) at
kernel/qhostinfo.cpp:260
#4  0x00007fb0520584a5 in QThreadPrivate::start (arg=0x2660cb0) at
thread/qthread_unix.cpp:188
#5  0x00007fb04ed23f9a in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#6  0x00007fb0509b156d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb055cfc750 (LWP 23949)):
[KCrash Handler]
#5  *__GI___libc_free (mem=0x41) at malloc.c:3599
#6  0x000000000052f767 in QList<QTextBlock>::node_destruct (this=0x349eb98,
it=...) at /usr/include/qt4/QtCore/qlist.h:348
#7  QList<QTextBlock>::erase (this=0x349eb98, it=...) at
/usr/include/qt4/QtCore/qlist.h:391
#8  0x00000000005227d6 in QList<QTextBlock>::removeFirst (this=0x349eb60,
where=<value optimized out>, rem=<value optimized out>, add=<value optimized
out>) at /usr/include/qt4/QtCore/qlist.h:256
#9  QList<QTextBlock>::takeFirst (this=0x349eb60, where=<value optimized out>,
rem=<value optimized out>, add=<value optimized out>) at
/usr/include/qt4/QtCore/qlist.h:416
#10 IRCView::cullMarkedLine (this=0x349eb60, where=<value optimized out>,
rem=<value optimized out>, add=<value optimized out>) at
../../src/viewer/ircview.cpp:375
#11 0x00000000004421c3 in IRCView::qt_metacall (this=0x349eb60,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffbeb44690)
at moc_ircview.cpp:212
#12 0x00007fb052152df2 in QMetaObject::activate (sender=0x34a0ac0,
from_signal_index=<value optimized out>, to_signal_index=4, argv=0x0) at
kernel/qobject.cpp:3112
#13 0x00007fb051bc78da in QTextDocument::contentsChange (this=0x41, _t1=0,
_t2=1, _t3=0) at .moc/release-shared/moc_qtextdocument.cpp:181
#14 0x00007fb0517f0c1b in QTextDocumentPrivate::endEditBlock (this=0x34a3aa0)
at text/qtextdocument_p.cpp:1102
#15 0x00007fb0517f090d in QTextDocumentPrivate::ensureMaximumBlockCount
(this=0x34a3aa0) at text/qtextdocument_p.cpp:1584
#16 0x00007fb0517f0baf in QTextDocumentPrivate::endEditBlock (this=0x34a3aa0)
at text/qtextdocument_p.cpp:1112
#17 0x00007fb05181c90f in QTextCursor::insertBlock (this=0x7fffbeb44960,
format=..., _charFormat=...) at text/qtextcursor.cpp:1898
#18 0x00007fb05181c9af in QTextCursor::insertBlock (this=0x7fffbeb44960,
format=...) at text/qtextcursor.cpp:1875
#19 0x00007fb05181ca07 in QTextCursor::insertBlock (this=0x7fffbeb44960) at
text/qtextcursor.cpp:1860
#20 0x0000000000523b1e in IRCView::appendLine (this=0x349eb60,
type=IRCView::RememberLine) at ../../src/viewer/ircview.cpp:508
#21 0x0000000000523e59 in IRCView::appendRememberLine (this=0x349eb60) at
../../src/viewer/ircview.cpp:441
#22 0x0000000000524ae5 in IRCView::doAppend (this=0x41, newLine=..., rtl=false,
self=false) at ../../src/viewer/ircview.cpp:812
#23 0x000000000052ca7e in IRCView::appendCommandMessage (this=0x349eb60,
type=..., message=..., important=<value optimized out>, parseURL=<value
optimized out>, self=false)
    at ../../src/viewer/ircview.cpp:764
#24 0x00000000004c1b68 in Channel::joinNickname (this=0x345c8b0,
channelNick=...) at ../../src/irc/channel.cpp:1395
#25 0x0000000000498f18 in Server::nickJoinsChannel (this=0x2466500,
channelName=<value optimized out>, nickname=..., hostmask=...) at
../../src/irc/server.cpp:2738
#26 0x00000000004edb83 in InputFilter::parseClientCommand (this=0x2466620,
prefix=..., command=..., parameterList=<value optimized out>) at
../../src/irc/inputfilter.cpp:627
#27 0x00000000004f9af0 in InputFilter::parseLine (this=0x2466620, line=...) at
../../src/irc/inputfilter.cpp:151
#28 0x0000000000496aaf in Server::processIncomingData (this=0x2466500) at
../../src/irc/server.cpp:897
#29 0x00000000004a81d5 in Server::qt_metacall (this=0x2466500,
_c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fffbeb45d40) at ./server.moc:383
#30 0x00007fb052152df2 in QMetaObject::activate (sender=0x2466580,
from_signal_index=<value optimized out>, to_signal_index=4, argv=0x0) at
kernel/qobject.cpp:3112
#31 0x00007fb05214d353 in QObject::event (this=0x2466580, e=0x349eb98) at
kernel/qobject.cpp:1074
#32 0x00007fb0515b701d in QApplicationPrivate::notify_helper (this=0x211eb30,
receiver=0x2466580, e=0x7fffbeb463f0) at kernel/qapplication.cpp:4065
#33 0x00007fb0515bf07a in QApplication::notify (this=0x7fffbeb46730,
receiver=0x2466580, e=0x7fffbeb463f0) at kernel/qapplication.cpp:4030
#34 0x00007fb052faa0db in KApplication::notify (this=0x7fffbeb46730,
receiver=0x2466580, event=0x7fffbeb463f0) at
../../kdeui/kernel/kapplication.cpp:302
#35 0x00007fb05213dc9c in QCoreApplication::notifyInternal
(this=0x7fffbeb46730, receiver=0x2466580, event=0x7fffbeb463f0) at
kernel/qcoreapplication.cpp:610
#36 0x00007fb05216a2c6 in QCoreApplication::sendEvent (this=0x2122320) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#37 QTimerInfoList::activateTimers (this=0x2122320) at
kernel/qeventdispatcher_unix.cpp:580
#38 0x00007fb052166658 in timerSourceDispatch (source=<value optimized out>) at
kernel/qeventdispatcher_glib.cpp:184
#39 idleTimerSourceDispatch (source=<value optimized out>) at
kernel/qeventdispatcher_glib.cpp:231
#40 0x00007fb04da0412a in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#41 0x00007fb04da07988 in ?? () from /lib/libglib-2.0.so.0
#42 0x00007fb04da07b3c in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#43 0x00007fb05216639c in QEventDispatcherGlib::processEvents (this=0x20f44c0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#44 0x00007fb05164df1f in QGuiEventDispatcherGlib::processEvents (this=0x41,
flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#45 0x00007fb05213c562 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#46 0x00007fb05213c934 in QEventLoop::exec (this=0x7fffbeb466a0, flags=...) at
kernel/qeventloop.cpp:201
#47 0x00007fb05213eba4 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:888
#48 0x0000000000467121 in main (argc=5, argv=0x7fffbeb47448) at
../../src/main.cpp:98

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Dario Andres <andresbajotierra@...> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|crash while switching       |crash while switching
                   |channels (marker line code) |channels (marker line code)
                   |                            |[QList::*,
                   |                            |RCView::cullMarkedLine]




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Eike Hein <hein@...> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hein@...
            Summary|crash while switching       |crash while switching
                   |channels (marker line code) |channels (marker line code)
                   |[QList::*,                  |[QList::*,
                   |RCView::cullMarkedLine]     |IRCView::cullMarkedLine]




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