[Webkit-unassigned] [Bug 141612] New: RenderMultiColumnSpannerPlaceholder leaks seen on leaks bot
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sat Feb 14 18:25:38 PST 2015
https://bugs.webkit.org/show_bug.cgi?id=141612
Bug ID: 141612
Summary: RenderMultiColumnSpannerPlaceholder leaks seen on
leaks bot
Classification: Unclassified
Product: WebKit
Version: 528+ (Nightly build)
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: WebCore Misc.
Assignee: webkit-unassigned at lists.webkit.org
Reporter: joepeck at webkit.org
CC: darin at apple.com, hyatt at apple.com, zalan at apple.com
* SUMMARY
RenderMultiColumnSpannerPlaceholder leaks seen on leaks bot:
https://build.webkit.org/builders/Apple%20Yosemite%20%28Leaks%29/builds/325
Not sure exactly which tests, but it looks like these are only created in one way.
Leak: 0x7fcf42c972b0 size=96 zone: DefaultMallocZone_0x100528000
0x00000001 0xf0000000 0x42d27cd0 0x00007fcf .........|.B....
0x42d27d20 0x00007fcf 0x42d27d50 0x00007fcf }.B....P}.B....
0x42d27db0 0x00007fcf 0x42d27f00 0x00007fcf .}.B.......B....
0x4c7ee3c0 0x00007fcf 0x48f80720 0x00007fcf ..~L.... ..H....
0x00000000 0x00000000 0x42d286c0 0x00007fcf ...........B....
0x4006e000 0x00000080 0x000001c0 0x00000000 ... at ............
Call stack: [thread 0x7fff7d157300]:
| 0x2
| start
| main DumpRenderTreeMain.mm:30
| DumpRenderTreeMain(int, char const**) DumpRenderTree.mm:1301
| dumpRenderTree(int, char const**) DumpRenderTree.mm:1179
| runTestingServerLoop() DumpRenderTree.mm:1070
| runTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) DumpRenderTree.mm:1886
| CFRunLoopRunSpecific
| __CFRunLoopRun
| __CFRunLoopDoSources0
| __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
| MultiplexerSource::_perform(void*)
| MultiplexerSource::perform()
| RunloopBlockContext::perform()
| CFArrayApplyFunction
| RunloopBlockContext::_invoke_block(void const*, void*)
| ___ZN27URLConnectionClient_Classic18_withDelegateAsyncEPKcU13block_pointerFvP16_CFURLConnectionPK33CFURLConnectionClientCurrent_VMaxE_block_invoke_2
| ___ZN27URLConnectionClient_Classic26_delegate_didFinishLoadingEU13block_pointerFvvE_block_invoke
| -[NSURLConnectionInternal _withActiveConnectionAndDelegate:]
| -[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:]
| __65-[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:]_block_invoke
| -[WebCoreResourceHandleAsDelegate connectionDidFinishLoading:] WebCoreResourceHandleAsDelegate.mm:261
| WebCore::ResourceLoader::didFinishLoading(WebCore::ResourceHandle*, double) ResourceLoader.cpp:543
| WebCore::SubresourceLoader::didFinishLoading(double) SubresourceLoader.cpp:366
| WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) CachedRawResource.cpp:105
| WebCore::CachedResource::finishLoading(WebCore::SharedBuffer*) CachedResource.cpp:310
| WebCore::CachedResource::checkNotify() CachedResource.cpp:293
| WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource*) DocumentLoader.cpp:376
| WebCore::DocumentLoader::finishedLoading(double) DocumentLoader.cpp:442
| WebCore::DocumentWriter::end() DocumentWriter.cpp:248
| WebCore::HTMLDocumentParser::finish() HTMLDocumentParser.cpp:452
| WebCore::HTMLDocumentParser::attemptToEnd() HTMLDocumentParser.cpp:424
| WebCore::HTMLDocumentParser::prepareToStopParsing() HTMLDocumentParser.cpp:133
| WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd() HTMLDocumentParser.cpp:412
| WebCore::HTMLDocumentParser::end() HTMLDocumentParser.cpp:403
| WebCore::HTMLTreeBuilder::finished() HTMLTreeBuilder.cpp:2942
| WebCore::HTMLConstructionSite::finishedParsing() HTMLConstructionSite.cpp:405
| WebCore::Document::finishedParsing() Document.cpp:4629
| WebCore::FrameLoader::finishedParsing() FrameLoader.cpp:763
| WebCore::FrameLoader::checkCompleted() FrameLoader.cpp:843
| WebCore::FrameLoader::checkCallImplicitClose() FrameLoader.cpp:896
| WebCore::Document::implicitClose() Document.cpp:2457
| WebCore::Document::dispatchWindowLoadEvent() Document.cpp:3814
| WebCore::DOMWindow::dispatchLoadEvent() DOMWindow.cpp:1855
| WebCore::DOMWindow::dispatchEvent(WTF::PassRefPtr<WebCore::Event>, WTF::PassRefPtr<WebCore::EventTarget>) DOMWindow.cpp:1897
| WebCore::EventTarget::fireEventListeners(WebCore::Event*) EventTarget.cpp:207
| WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1ul, WTF::CrashOnOverflow>&) EventTarget.cpp:256
| WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) JSEventListener.cpp:127
| WebCore::JSMainThreadExecState::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, JSC::JSValue*) JSMainThreadExecState.h:56
| JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, JSC::JSValue*) CallData.cpp:44
| JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) CallData.cpp:39
| JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) Interpreter.cpp:912
| JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) JITCode.cpp:77
| vmEntryToJavaScript
| llint_entry
| llint_entry
| llint_slow_path_get_by_id LLIntSlowPaths.cpp:581
| JSC::JSValue::get(JSC::ExecState*, JSC::PropertyName, JSC::PropertySlot&) const JSCJSValueInlines.h:703
| JSC::PropertySlot::getValue(JSC::ExecState*, JSC::PropertyName) const PropertySlot.h:256
| WebCore::jsElementOffsetTop(JSC::ExecState*, JSC::JSObject*, long long, JSC::PropertyName) JSElement.cpp:640
| WebCore::Element::offsetTop() Element.cpp:706
| WebCore::Document::updateLayoutIgnorePendingStylesheets(WebCore::Document::RunPostLayoutTasks) Document.cpp:1871
| WebCore::Document::updateLayout() Document.cpp:1837
| WebCore::FrameView::layout(bool) FrameView.cpp:1333
| WebCore::RenderView::layout() RenderView.cpp:359
| WebCore::RenderView::layoutContent(WebCore::LayoutState const&) RenderView.cpp:233
| WebCore::RenderBlock::layout() RenderBlock.cpp:930
| WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) RenderBlockFlow.cpp:484
| WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) RenderBlockFlow.cpp:629
| WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) RenderBlockFlow.cpp:708
| WebCore::RenderBlock::layout() RenderBlock.cpp:930
| WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) RenderBlockFlow.cpp:484
| WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) RenderBlockFlow.cpp:629
| WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) RenderBlockFlow.cpp:708
| WebCore::RenderBlock::layout() RenderBlock.cpp:930
| WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) RenderBlockFlow.cpp:484
| WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) RenderBlockFlow.cpp:622
| WebCore::RenderBlockFlow::insertFloatingObject(WebCore::RenderBox&) RenderBlockFlow.cpp:2231
| WebCore::RenderElement::layoutIfNeeded() RenderElement.h:119
| WebCore::RenderBlock::layout() RenderBlock.cpp:930
| WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) RenderBlockFlow.cpp:484
| WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) RenderBlockFlow.cpp:629
| WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) RenderBlockFlow.cpp:708
| WebCore::RenderBlock::layout() RenderBlock.cpp:930
| WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) RenderBlockFlow.cpp:434
| WebCore::RenderBlockFlow::recomputeLogicalWidthAndColumnWidth() RenderBlockFlow.cpp:384
| WebCore::RenderBlockFlow::computeColumnCountAndWidth() RenderBlockFlow.cpp:423
| WebCore::RenderBlockFlow::setComputedColumnCountAndWidth(int, WebCore::LayoutUnit) RenderBlockFlow.cpp:3791
| WebCore::RenderBlockFlow::createMultiColumnFlowThread() RenderBlockFlow.cpp:128
| WebCore::RenderMultiColumnFlowThread::populate() RenderMultiColumnFlowThread.cpp:159
| WebCore::RenderBoxModelObject::moveChildrenTo(WebCore::RenderBoxModelObject*, WebCore::RenderObject*, WebCore::RenderObject*, bool) RenderBoxModelObject.h:306
| WebCore::RenderBoxModelObject::moveChildrenTo(WebCore::RenderBoxModelObject*, WebCore::RenderObject*, WebCore::RenderObject*, WebCore::RenderObject*, bool) RenderBoxModelObject.cpp:2740
| WebCore::RenderBoxModelObject::moveChildTo(WebCore::RenderBoxModelObject*, WebCore::RenderObject*, WebCore::RenderObject*, bool) RenderBoxModelObject.cpp:2701
| WebCore::RenderBlockFlow::addChild(WebCore::RenderObject*, WebCore::RenderObject*) RenderBlockFlow.cpp:3728
| WebCore::RenderBlock::addChild(WebCore::RenderObject*, WebCore::RenderObject*) RenderBlock.cpp:406
| WebCore::RenderBlock::addChildIgnoringContinuation(WebCore::RenderObject*, WebCore::RenderObject*) RenderBlock.cpp:492
| WebCore::RenderElement::addChild(WebCore::RenderObject*, WebCore::RenderObject*) RenderElement.cpp:511
| WebCore::RenderElement::insertChildInternal(WebCore::RenderObject*, WebCore::RenderObject*, WebCore::RenderElement::NotifyChildrenType) RenderElement.cpp:586
| WebCore::RenderBlockFlow::insertedIntoTree() RenderBlockFlow.cpp:140
| WebCore::RenderElement::insertedIntoTree() RenderElement.cpp:1034
| WebCore::RenderObject::insertedIntoTree() RenderObject.cpp:1917
| WebCore::RenderMultiColumnFlowThread::flowThreadDescendantInserted(WebCore::RenderObject*) RenderMultiColumnFlowThread.cpp:400
| WebCore::RenderMultiColumnFlowThread::processPossibleSpannerDescendant(WebCore::RenderObject*&, WebCore::RenderObject*) RenderMultiColumnFlowThread.cpp:307
| WebCore::RenderMultiColumnSpannerPlaceholder::createAnonymous(WebCore::RenderMultiColumnFlowThread*, WebCore::RenderBox*, WebCore::RenderStyle*) RenderMultiColumnSpannerPlaceholder.cpp:39
| WebCore::RenderStyle::createAnonymousStyleWithDisplay(WebCore::RenderStyle const*, WebCore::EDisplay) RenderStyle.cpp:102
| WebCore::RenderStyle::create() RenderStyle.cpp:91
| WTF::RefCounted<WebCore::RenderStyle>::operator new(unsigned long) RefCounted.h:141
| WTF::fastMalloc(unsigned long) FastMalloc.cpp:275
| bmalloc::api::malloc(unsigned long) bmalloc.h:36
| bmalloc::Cache::allocate(unsigned long) Cache.h:68
| bmalloc::Allocator::allocate(unsigned long) Allocator.h:85
| bmalloc::Allocator::allocateSlowCase(unsigned long) Allocator.cpp:195
| malloc
| malloc_zone_malloc
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