[Webkit-unassigned] [Bug 107781] New: JSC::WatchpointSet is leaky

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=107781

           Summary: JSC::WatchpointSet is leaky
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: ggaren at apple.com, barraclough at apple.com
            Blocks: 106716


http://build.webkit.org/LeaksViewer/?url=%2Fresults%2FApple%20MountainLion%20%28Leaks%29%2Fr140529%20%282594%29%2F

Sample stack trace (backwards):

-[WebCoreResourceHandleAsDelegate connection:didReceiveData:lengthReceived:] ResourceHandleMac.mm:785
WebCore::ResourceLoader::didReceiveData(WebCore::ResourceHandle*, char const*, int, int) ResourceLoader.cpp:452
WebCore::SubresourceLoader::didReceiveData(char const*, int, long long, bool) SubresourceLoader.cpp:228
WebCore::SubresourceLoader::sendDataToResource(char const*, int) SubresourceLoader.cpp:255
WebCore::CachedRawResource::data(WTF::PassRefPtr<WebCore::ResourceBuffer>, bool) CachedRawResource.cpp:70
WebCore::MainResourceLoader::dataReceived(WebCore::CachedResource*, char const*, int) MainResourceLoader.cpp:515
WebCore::DocumentLoader::receivedData(char const*, int) DocumentLoader.cpp:398
WebCore::DocumentLoader::commitLoad(char const*, int) DocumentLoader.cpp:319
WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader*, char const*, int) WebFrameLoaderClient.mm:846
-[WebDataSource(WebInternal) _receivedData:] WebDataSource.mm:215
-[WebHTMLRepresentation receivedData:withDataSource:] WebHTMLRepresentation.mm:186
-[WebFrame(WebInternal) _commitData:] WebFrame.mm:826
WebCore::DocumentLoader::commitData(char const*, unsigned long) DocumentLoader.cpp:357
WebCore::DocumentWriter::addData(char const*, unsigned long) DocumentWriter.cpp:222
WebCore::DecodedDataDocumentParser::appendBytes(WebCore::DocumentWriter*, char const*, unsigned long) DecodedDataDocumentParser.cpp:50
WebCore::HTMLDocumentParser::append(WebCore::SegmentedString const&) HTMLDocumentParser.cpp:522
WebCore::HTMLDocumentParser::pumpTokenizerIfPossible(WebCore::HTMLDocumentParser::SynchronousMode) HTMLDocumentParser.cpp:195
WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode) HTMLDocumentParser.cpp:332
WebCore::HTMLDocumentParser::canTakeNextToken(WebCore::HTMLDocumentParser::SynchronousMode, WebCore::PumpSession&) HTMLDocumentParser.cpp:243
WebCore::HTMLDocumentParser::runScriptsForPausedTreeBuilder() HTMLDocumentParser.cpp:223
WebCore::HTMLScriptRunner::execute(WTF::PassRefPtr<WebCore::Element>, WTF::TextPosition const&) HTMLScriptRunner.cpp:180
WebCore::HTMLScriptRunner::executeParsingBlockingScripts() HTMLScriptRunner.cpp:190
WebCore::HTMLScriptRunner::executeParsingBlockingScript() HTMLScriptRunner.cpp:118
WebCore::HTMLScriptRunner::executePendingScriptAndDispatchEvent(WebCore::PendingScript&) HTMLScriptRunner.cpp:139
WebCore::ScriptElement::executeScript(WebCore::ScriptSourceCode const&) ScriptElement.cpp:304
WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&) ScriptController.cpp:158
WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld*) ScriptController.cpp:141
WebCore::JSMainThreadExecState::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) JSMainThreadExecState.h:77
JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) Completion.cpp:76
JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*) Interpreter.cpp:955
JSC::ProgramExecutable::initializeGlobalProperties(JSC::JSGlobalData&, JSC::ExecState*, JSC::JSScope*) Executable.cpp:405
JSC::ProgramExecutable::addGlobalVar(JSC::JSGlobalObject*, JSC::Identifier const&, JSC::ProgramExecutable::ConstantMode, JSC::ProgramExecutable::FunctionMode) Executable.cpp:368
JSC::SymbolTableEntry::attemptToWatch() SymbolTable.cpp:71
WTF::RefCounted<JSC::WatchpointSet>::operator new(unsigned long) RefCounted.h:197
WTF::fastMalloc(unsigned long) FastMalloc.cpp:274
malloc
malloc_zone_malloc 
Leak: 0x7f9cb1ae4c40  size=48  zone: DefaultMallocZone_0x10b4af000

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