Bug 193222

Leak of ScrollCompletionCallbackData (16 bytes) in com.apple.WebKit.WebContent running WebKit layout tests. $ ./Tools/Scripts/run-webkit-tests --no-build --debug --batch-size=1000 --child-processes=1 --verbose --leaks --no-retry --no-show-results tiled-drawing/scrolling/fast-scroll-div-latched-div.html tiled-drawing/scrolling/fast-scroll-div-latched-mainframe.html tiled-drawing/scrolling/fast-scroll-iframe-latched-iframe-with-handler.html NOTE: Requires changes to run-webkit-tests to support --leaks with WebKit2. STACK OF 1 INSTANCE OF 'ROOT LEAK: <0x7f91c7812670>': [thread 0x115af25c0]: 28 libdyld.dylib 0x7fff6611008d start + 1 27 com.apple.WebKit.WebContent 0x10a6217bb invocation function for block in WebKit::XPCServiceEventHandler(NSObject<OS_xpc_object>*) + 0 XPCServiceMain.mm:46 26 com.apple.WebKit.WebContent 0x10a621636 WebKit::XPCServiceMain(int, char const**) + 547 XPCServiceMain.mm:0 25 libxpc.dylib 0x7fff663469e5 _xpc_copy_xpcservice_dictionary + 0 24 libxpc.dylib 0x7fff66346ee6 _xpc_objc_main + 555 23 com.apple.Foundation 0x7fff3b21b28f -[NSRunLoop(NSRunLoop) run] + 76 22 com.apple.Foundation 0x7fff3b21b3ba -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 280 21 com.apple.CoreFoundation 0x7fff38e96be6 CFRunLoopRunSpecific + 467 20 com.apple.CoreFoundation 0x7fff38e976c4 __CFRunLoopRun + 2187 19 com.apple.CoreFoundation 0x7fff38eb611d __CFRunLoopDoTimers + 333 18 com.apple.CoreFoundation 0x7fff38eb65e8 __CFRunLoopDoTimer + 871 17 com.apple.CoreFoundation 0x7fff38eb6a35 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20 16 com.apple.WebCore 0x10cc96d2f WebCore::timerFired(__CFRunLoopTimer*, void*) + 31 MainThreadSharedTimerCF.cpp:75 15 com.apple.WebCore 0x10cc75739 WebCore::ThreadTimers::sharedTimerFiredInternal() + 185 ThreadTimers.cpp:120 14 com.apple.WebCore 0x10cb7f40f WebCore::DOMTimer::fired() + 607 InspectorInstrumentation.h:279 13 com.apple.WebCore 0x10c5622e6 WebCore::ScheduledAction::execute(WebCore::Document&) + 150 atomic:1026 12 com.apple.WebCore 0x10c562654 WebCore::ScheduledAction::executeFunctionInContext(JSC::JSGlobalObject*, JSC::JSValue, WebCore::ScriptExecutionContext&) + 468 ScheduledAction.cpp:118 11 com.apple.WebCore 0x10c533454 WebCore::JSExecState::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) + 100 JSExecState.h:74 10 com.apple.JavaScriptCore 0x1107aa9fb JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) + 187 CallData.cpp:41 9 com.apple.JavaScriptCore 0x110563f25 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 469 JITCodeInlines.h:39 8 com.apple.JavaScriptCore 0x10ff8b919 vmEntryToJavaScript + 200 LowLevelInterpreter64.asm:295 7 com.apple.JavaScriptCore 0x10ff9aa61 llint_entry + 61326 LowLevelInterpreter.asm:899 6 0x232c32c0102d 0x232c32c01000 + 45 5 com.apple.JavaScriptCore 0x10ffc808f long long JSC::APICallbackFunction::call<JSC::JSCallbackFunction>(JSC::ExecState*) + 495 APICallbackFunction.h:63 4 com.apple.WebKitTestRunner.InjectedBundle 0x572a2324b WTR::JSEventSendingController::callAfterScrollingCompletes(OpaqueJSContext const*, OpaqueJSValue*, OpaqueJSValue*, unsigned long, OpaqueJSValue const* const*, OpaqueJSValue const**) + 65 JSEventSendingController.cpp:0 3 com.apple.WebKitTestRunner.InjectedBundle 0x572a10a81 WTR::EventSendingController::callAfterScrollingCompletes(OpaqueJSValue const*) + 95 EventSendingController.cpp:628 2 libc++abi.dylib 0x7fff6383ff48 operator new(unsigned long) + 40 1 libsystem_malloc.dylib 0x7fff662bd783 malloc + 24 0 libsystem_malloc.dylib 0x7fff662bd82b malloc_zone_malloc + 139 ==== 1 (16 bytes) ROOT LEAK: 0x7f91c7812670 [16]