qt/qt-everywhere-opensource-sr...

57 lines
2.3 KiB
Diff

diff -ur qt-everywhere-opensource-src-4.6.3/src/3rdparty/webkit/WebCore/dom/ContainerNode.cpp qt-everywhere-opensource-src-4.6.3-CVE-2010-1396/src/3rdparty/webkit/WebCore/dom/ContainerNode.cpp
--- qt-everywhere-opensource-src-4.6.3/src/3rdparty/webkit/WebCore/dom/ContainerNode.cpp 2010-06-02 04:03:12.000000000 +0200
+++ qt-everywhere-opensource-src-4.6.3-CVE-2010-1396/src/3rdparty/webkit/WebCore/dom/ContainerNode.cpp 2010-06-10 20:34:00.316318866 +0200
@@ -395,33 +395,43 @@
document()->removeFocusedNodeOfSubtree(this, true);
forbidEventDispatch();
- int childCountDelta = 0;
+ Vector<RefPtr<Node> > removedChildren;
while (RefPtr<Node> n = m_firstChild) {
- childCountDelta--;
-
Node* next = n->nextSibling();
- // Remove the node from the tree before calling detach or removedFromDocument (4427024, 4129744)
+ // Remove the node from the tree before calling detach or removedFromDocument (4427024, 4129744).
+ // removeChild() does this after calling detach(). There is no explanation for
+ // this discrepancy between removeChild() and its optimized version removeChildren().
n->setPreviousSibling(0);
n->setNextSibling(0);
n->setParent(0);
-
+
m_firstChild = next;
if (n == m_lastChild)
m_lastChild = 0;
if (n->attached())
n->detach();
-
- if (n->inDocument())
- n->removedFromDocument();
+
+ removedChildren.append(n.release());
}
allowEventDispatch();
+ size_t removedChildrenCount = removedChildren.size();
+
// Dispatch a single post-removal mutation event denoting a modified subtree.
- childrenChanged(false, 0, 0, childCountDelta);
+ childrenChanged(false, 0, 0, -static_cast<int>(removedChildrenCount));
dispatchSubtreeModifiedEvent();
+ for (size_t i = 0; i < removedChildrenCount; ++i) {
+ Node* removedChild = removedChildren[i].get();
+ if (removedChild->inDocument())
+ removedChild->removedFromDocument();
+ // removeChild() calls removedFromTree(true) if the child was not in the
+ // document. There is no explanation for this discrepancy between removeChild()
+ // and its optimized version removeChildren().
+ }
+
return true;
}