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List:       kde-bugs-dist
Subject:    [Bug 84202] New: DOM: TreeWalker make Konqueror 3.2.x crash
From:       Jean-Michel Fayard <jmfayard () gmail ! com>
Date:       2004-06-29 7:52:48
Message-ID: 20040629075248.3260.qmail () ktown ! kde ! org
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http://bugs.kde.org/show_bug.cgi?id=84202      
           Summary: DOM: TreeWalker make Konqueror 3.2.x crash
           Product: konqueror
           Version: unspecified
          Platform: Mandrake RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: kjs
        AssignedTo: konq-bugs kde org
        ReportedBy: jmfayard gmail com


Version:            (using KDE KDE 3.2.1)
Installed from:    Mandrake RPMs
OS:                Linux

Description : TreeWalker is an optional part of the DOM version 2.0. It's described \
at the W3C website here  \
http://www.w3.org/TR/DOM-Level-2-Traversal-Range/traversal.html

Live demo : http://mat.virgule.info/temp/crash.html
It crashs reliably for various version from Konqueror 3.2.x (at least 3.2.0, 3.2.1 \
and 3.2.2) from various linux distributions

It has been reported not to crash for older versions (KDE 3.0.5 Slackware 8.1, \
Konqueror 3.1.4 mandrake 9.1+texstar)


Source of the javascript :
function crashkonqueror()
{
        var treeWalker = document.createTreeWalker(document.documentElement, \
NodeFilter.SHOW_ELEMENT, null, true);  if (treeWalker)
                treeWalker.nextNode();
}



Backtrace :
Using host libthread_db library "/lib/libthread_db.so.1".
 [Thread debugging using libthread_db enabled]
 [New Thread 16384 (LWP 26730)]
 0x413fab79 in __wait4 () from /lib/libc.so.6
 #0 0x413fab79 in __wait4 () from /lib/libc.so.6
 #1 0x413fab08 in __libc_waitpid (pid=-512, stat_loc=0x0, options=-512)
 at ../sysdeps/unix/sysv/linux/waitpid.c:26
 #2 0x411facd3 in waitpid (pid=-512, stat_loc=0xfffffe00, options=-512)
 at wrapsyscall.c:181
 #3 0x407849e0 in KCrash::defaultCrashHandler () from \
/usr/local/kde/lib/libkdecore.so.4  #4 <signal handler called>
 #5 0x41bc1dad in DOM::TreeWalkerImpl::getNextSibling () from \
/usr/local/kde/lib/libkhtml.so.4  #6 0x41bc1a8f in DOM::TreeWalkerImpl::nextNode () \
from /usr/local/kde/lib/libkhtml.so.4  #7 0x41d2c08b in DOM::TreeWalker::nextNode () \
from /usr/local/kde/lib/libkhtml.so.4  #8 0x41cd6777 in \
KJS::DOMTreeWalkerProtoFunc::tryCall () from /usr/local/kde/lib/libkhtml.so.4  #9 \
0x41c7fe03 in KJS::DOMFunction::call () from /usr/local/kde/lib/libkhtml.so.4  #10 \
0x41df4ce0 in KJS::Object::call () from /usr/local/kde/lib/libkjs.so.1  #11 \
0x41dc7609 in KJS::FunctionCallNode::evaluate () from /usr/local/kde/lib/libkjs.so.1  \
#12 0x41dcbb8a in KJS::ExprStatementNode::execute () from \
/usr/local/kde/lib/libkjs.so.1  #13 0x41dcbf2e in KJS::IfNode::execute () from \
/usr/local/kde/lib/libkjs.so.1  #14 0x41dd23cc in KJS::SourceElementsNode::execute () \
from /usr/local/kde/lib/libkjs.so.1  #15 0x41dcb99f in KJS::BlockNode::execute () \
from /usr/local/kde/lib/libkjs.so.1  #16 0x41dd18e3 in KJS::FunctionBodyNode::execute \
() from /usr/local/kde/lib/libkjs.so.1  #17 0x41df017c in \
KJS::DeclaredFunctionImp::execute () from /usr/local/kde/lib/libkjs.so.1  #18 \
0x41def593 in KJS::FunctionImp::call () from /usr/local/kde/lib/libkjs.so.1  #19 \
0x41df4ce0 in KJS::Object::call () from /usr/local/kde/lib/libkjs.so.1  #20 \
0x41dc7609 in KJS::FunctionCallNode::evaluate () from /usr/local/kde/lib/libkjs.so.1  \
#21 0x41dcbb8a in KJS::ExprStatementNode::execute () from \
/usr/local/kde/lib/libkjs.so.1  #22 0x41dd2353 in KJS::SourceElementsNode::execute () \
from /usr/local/kde/lib/libkjs.so.1  #23 0x41dcb99f in KJS::BlockNode::execute () \
from /usr/local/kde/lib/libkjs.so.1  #24 0x41dd18e3 in KJS::FunctionBodyNode::execute \
() from /usr/local/kde/lib/libkjs.so.1  #25 0x41df017c in \
KJS::DeclaredFunctionImp::execute () from /usr/local/kde/lib/libkjs.so.1  #26 \
0x41def593 in KJS::FunctionImp::call () from /usr/local/kde/lib/libkjs.so.1  #27 \
0x41df4ce0 in KJS::Object::call () from /usr/local/kde/lib/libkjs.so.1  #28 \
0x41cd749e in KJS::JSEventListener::handleEvent () from \
/usr/local/kde/lib/libkhtml.so.4  #29 0x41bb2223 in \
DOM::DocumentImpl::defaultEventHandler () from /usr/local/kde/lib/libkhtml.so.4  #30 \
0x41bb4f23 in DOM::NodeImpl::dispatchWindowEvent () from \
/usr/local/kde/lib/libkhtml.so.4  #31 0x41bdd9c1 in DOM::HTMLDocumentImpl::close () \
from /usr/local/kde/lib/libkhtml.so.4  #32 0x41b793cc in \
KHTMLPart::checkEmitLoadEvent () from /usr/local/kde/lib/libkhtml.so.4  #33 \
0x41b7825f in KHTMLPart::slotFinishedParsing () from /usr/local/kde/lib/libkhtml.so.4 \
#34 0x41b92a0b in KHTMLPart::qt_invoke () from /usr/local/kde/lib/libkhtml.so.4  #35 \
0x40b5da00 in QObject::activate_signal () from /usr/local/kde/lib/libqt-mt.so.3  #36 \
0x40b5d834 in QObject::activate_signal () from /usr/local/kde/lib/libqt-mt.so.3  #37 \
0x41bb2efb in DOM::DocumentImpl::finishedParsing () from \
/usr/local/kde/lib/libkhtml.so.4  #38 0x41bb2fa8 in DOM::DocumentImpl::qt_emit () \
from /usr/local/kde/lib/libkhtml.so.4  #39 0x41bde89d in \
DOM::HTMLDocumentImpl::qt_emit () from /usr/local/kde/lib/libkhtml.so.4  #40 \
0x40b5da35 in QObject::activate_signal () from /usr/local/kde/lib/libqt-mt.so.3  #41 \
0x40b5d834 in QObject::activate_signal () from /usr/local/kde/lib/libqt-mt.so.3  #42 \
0x41bc4cbb in khtml::Tokenizer::finishedParsing () from \
/usr/local/kde/lib/libkhtml.so.4  #43 0x41bd4860 in khtml::HTMLTokenizer::end () from \
/usr/local/kde/lib/libkhtml.so.4  #44 0x41bd4163 in khtml::HTMLTokenizer::write () \
from /usr/local/kde/lib/libkhtml.so.4  #45 0x41bd554d in \
khtml::HTMLTokenizer::notifyFinished () from /usr/local/kde/lib/libkhtml.so.4  #46 \
0x41c75613 in khtml::CachedScript::checkNotify () from \
/usr/local/kde/lib/libkhtml.so.4  #47 0x41c7555f in khtml::CachedScript::data () from \
/usr/local/kde/lib/libkhtml.so.4  #48 0x41c79340 in khtml::Loader::slotFinished () \
from /usr/local/kde/lib/libkhtml.so.4  #49 0x41c7b8a8 in khtml::Loader::qt_invoke () \
from /usr/local/kde/lib/libkhtml.so.4  #50 0x40b5da00 in QObject::activate_signal () \
from /usr/local/kde/lib/libqt-mt.so.3  #51 0x40198132 in KIO::Job::result () from \
/usr/local/kde/lib/libkio.so.4  #52 0x4017f8ba in KIO::Job::emitResult () from \
/usr/local/kde/lib/libkio.so.4  #53 0x401812fe in KIO::SimpleJob::slotFinished () \
from /usr/local/kde/lib/libkio.so.4  #54 0x4018461e in KIO::TransferJob::slotFinished \
() from /usr/local/kde/lib/libkio.so.4  #55 0x4019993d in KIO::TransferJob::qt_invoke \
() from /usr/local/kde/lib/libkio.so.4  #56 0x40b5da00 in QObject::activate_signal () \
from /usr/local/kde/lib/libqt-mt.so.3  #57 0x40b5d834 in QObject::activate_signal () \
from /usr/local/kde/lib/libqt-mt.so.3  #58 0x40174d2e in \
KIO::SlaveInterface::finished () from /usr/local/kde/lib/libkio.so.4  #59 0x401721c4 \
in KIO::SlaveInterface::dispatch () from /usr/local/kde/lib/libkio.so.4  #60 \
0x40171490 in KIO::SlaveInterface::dispatch () from /usr/local/kde/lib/libkio.so.4  \
#61 0x4016e3d5 in KIO::Slave::gotInput () from /usr/local/kde/lib/libkio.so.4  #62 \
0x40170bb0 in KIO::Slave::qt_invoke () from /usr/local/kde/lib/libkio.so.4  #63 \
0x40b5da00 in QObject::activate_signal () from /usr/local/kde/lib/libqt-mt.so.3  #64 \
0x40b5db60 in QObject::activate_signal () from /usr/local/kde/lib/libqt-mt.so.3  #65 \
0x40e77692 in QSocketNotifier::activated () from /usr/local/kde/lib/libqt-mt.so.3  \
#66 0x40b79e20 in QSocketNotifier::event () from /usr/local/kde/lib/libqt-mt.so.3  \
#67 0x40b028c5 in QApplication::internalNotify () from \
/usr/local/kde/lib/libqt-mt.so.3  #68 0x40b01f7b in QApplication::notify () from \
/usr/local/kde/lib/libqt-mt.so.3  #69 0x406f315c in KApplication::notify () from \
/usr/local/kde/lib/libkdecore.so.4  #70 0x40af2518 in \
QEventLoop::activateSocketNotifiers () from /usr/local/kde/lib/libqt-mt.so.3  #71 \
0x40aadf7c in QEventLoop::processEvents () from /usr/local/kde/lib/libqt-mt.so.3  #72 \
0x40b15b86 in QEventLoop::enterLoop () from /usr/local/kde/lib/libqt-mt.so.3  #73 \
0x40b15a28 in QEventLoop::exec () from /usr/local/kde/lib/libqt-mt.so.3  #74 \
0x40b02b11 in QApplication::exec () from /usr/local/kde/lib/libqt-mt.so.3  #75 \
0x415bb4f6 in kdemain () from /usr/local/kde/lib/libkdeinit_konqueror.so  #76 \
0x4125c8d6 in kdeinitmain () from /usr/local/kde/lib/kde3/konqueror.so  #77 \
0x0804d013 in launch ()  #78 0x0804e0d1 in handle_launcher_request ()
 #79 0x0804e63a in handle_requests ()


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