Status: Untriaged
Owner: ----
Labels: Type-Bug Pri-2 OS-Linux Area-WebKit Size-Medium Valgrind Fixit

New issue 17247 by [email protected]: Invalid write in  
WebCore::RenderSVGRoot::mapLocalToContainer()
http://code.google.com/p/chromium/issues/detail?id=17247

Happened in LayoutTests/svg/custom/stroke-width-click.svg
during the fishing expedition
  sh tools/valgrind/valgrind_webkit_tests.sh LayoutTests/svg
Presumably it would also be reproduced by more specific commands
  sh tools/valgrind/valgrind_webkit_tests.sh LayoutTests/svg/custom
or
  sh tools/valgrind/valgrind_webkit_tests.sh LayoutTests/svg/custom/
stroke-width-click.svg

but I haven't verified that.

Valgrind complains

Invalid write of size 4
    at  
WebCore::RenderSVGRoot::mapLocalToContainer(WebCore::RenderBoxModelObject*,
bool, bool, WebCore::TransformState&) const (RenderSVGRoot.cpp:274)
    by  
WebCore::RenderBox::mapLocalToContainer(WebCore::RenderBoxModelObject*,  
bool,
bool, WebCore::TransformState&) const (RenderBox.cpp:944)
    by WebCore::RenderObject::localToAbsolute(WebCore::FloatPoint, bool,  
bool) const
(RenderObject.cpp:1641)
    by
WebCore::RenderBlock::selectionGapRectsForRepaint(WebCore::RenderBoxModelObject*)
(RenderBlock.cpp:2004)
    by WebCore::RenderView::setSelection(WebCore::RenderObject*, int,
WebCore::RenderObject*, int, WebCore::RenderView::SelectionRepaintMode)
(RenderSelectionInfo.h:85)
    by WebCore::Frame::selectionLayoutChanged() (Frame.cpp:663)
    by WebCore::SelectionController::setSelection(WebCore::VisibleSelection  
const&, bool,
bool, bool) (SelectionController.cpp:147)
    by
WebCore::EventHandler::selectClosestWordFromMouseEvent(WebCore::MouseEventWithHitT
    by
WebCore::EventHandler::handleMousePressEventDoubleClick(WebCore::MouseEventWithHit
    by
WebCore::EventHandler::handleMousePressEvent(WebCore::MouseEventWithHitTestResults
const&) (EventHandler.cpp:392)
    by  
WebCore::EventHandler::handleMousePressEvent(WebCore::PlatformMouseEvent
const&) (EventHandler.cpp:1217)
    by WebViewImpl::MouseDown(WebKit::WebMouseEvent const&)  
(webview_impl.cc:492)
    by WebViewImpl::handleInputEvent(WebKit::WebInputEvent const&)
(webview_impl.cc:1033)
    by EventSendingController::mouseDown(std::vector<CppVariant,
std::allocator<CppVariant> > const&, CppVariant*)  
(event_sending_controller.cc:273)
    by CallbackImpl<EventSendingController, void (EventSendingController::*)
Tuple2<std::vector<CppVariant, std::allocator<CppVariant> > const&,  
CppVariant*>
> ::RunWithParams(Tuple2<std::vector<CppVariant, std::allocator<CppVariant>  
> > const&,
CppVariant*> const&) (tuple.h:429)
    by CppBoundClass::Invoke(void*, _NPVariant const*, unsigned int,  
_NPVariant*)
(task.h:548)
...
  Address 0xbbadbeef is not stack'd, malloc'd or (recently) free'd


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