Leak of NSMutableArray (128 bytes) in com.apple.WebKit.WebContent running WebKit layout tests. NOTE: I didn't spend time finding which test(s) reproduced this since the fix was obvious by source code inspection. STACK OF 1 INSTANCE OF 'ROOT LEAK: <NSMutableArray>': [thread 0x10e2765c0]: 59 libdyld.dylib 0x7fff7be6d08d start + 1 58 com.apple.WebKit.WebContent 0x10b0587bb invocation function for block in WebKit::XPCServiceEventHandler(NSObject<OS_xpc_object>*) + 0 XPCServiceMain.mm:46 57 com.apple.WebKit.WebContent 0x10b058636 WebKit::XPCServiceMain(int, char const**) + 547 XPCServiceMain.mm:0 56 libxpc.dylib 0x7fff7c0a39e5 _xpc_copy_xpcservice_dictionary + 0 55 libxpc.dylib 0x7fff7c0a3ee6 _xpc_objc_main + 555 54 com.apple.Foundation 0x7fff50f7828f -[NSRunLoop(NSRunLoop) run] + 76 53 com.apple.Foundation 0x7fff50f783ba -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 280 52 com.apple.CoreFoundation 0x7fff4ebf3be6 CFRunLoopRunSpecific + 467 51 com.apple.CoreFoundation 0x7fff4ebf4303 __CFRunLoopRun + 1226 50 com.apple.CoreFoundation 0x7fff4ebf4d5c __CFRunLoopDoSources0 + 195 49 com.apple.CoreFoundation 0x7fff4ec10eaf __CFRunLoopDoSource0 + 108 48 com.apple.CoreFoundation 0x7fff4ec10f09 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 47 com.apple.JavaScriptCore 0x63c2c32e2 WTF::RunLoop::performWork(void*) + 34 RunLoopCF.cpp:39 46 com.apple.JavaScriptCore 0x63c2c30a9 WTF::RunLoop::performWork() + 313 Function.h:56 45 com.apple.WebKit 0x10b0754d4 IPC::Connection::dispatchOneIncomingMessage() + 180 Connection.cpp:1074 44 com.apple.WebKit 0x10b071bf2 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) + 108 memory:2567 43 com.apple.WebKit 0x10b3be5bf WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 625 NetworkProcessConnection.cpp:0 42 com.apple.WebKit 0x10b4a445a WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) + 754 HandleMessage.h:0 41 com.apple.WebKit 0x10b3c4625 WebKit::WebResourceLoader::didFinishResourceLoad(WebCore::NetworkLoadMetrics const&) + 211 WebResourceLoader.cpp:164 40 com.apple.WebCore 0x63904fe4f WebCore::SubresourceLoader::didFinishLoading(WebCore::NetworkLoadMetrics const&) + 719 ResourceLoader.h:161 39 com.apple.WebCore 0x63908119c WebCore::CachedResource::checkNotify() + 332 CachedResource.cpp:354 38 com.apple.WebCore 0x638cf04e8 WebCore::LoadableClassicScript::notifyFinished(WebCore::CachedResource&) + 1352 LoadableClassicScript.cpp:118 37 com.apple.WebCore 0x638cf066c WebCore::LoadableScript::notifyClientFinished() + 300 LoadableScript.cpp:59 36 com.apple.WebCore 0x638d0a7b3 WebCore::PendingScript::notifyFinished(WebCore::LoadableScript&) + 35 RefCounted.h:98 35 com.apple.WebCore 0x638f19b84 WebCore::HTMLDocumentParser::notifyFinished(WebCore::PendingScript&) + 84 RefCounted.h:98 34 com.apple.WebCore 0x638f199a9 WebCore::HTMLDocumentParser::resumeParsingAfterScriptExecution() + 137 DocumentParser.h:70 33 com.apple.WebCore 0x638f18884 WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode) + 116 DocumentParser.h:69 32 com.apple.WebCore 0x638f18eb7 WebCore::HTMLDocumentParser::pumpTokenizerLoop(WebCore::HTMLDocumentParser::SynchronousMode, bool, WebCore::PumpSession&) + 599 HTMLDocumentParser.cpp:254 31 com.apple.WebCore 0x638f18c01 WebCore::HTMLDocumentParser::runScriptsForPausedTreeBuilder() + 369 Ref.h:59 30 com.apple.WebCore 0x638f250f0 WebCore::HTMLScriptRunner::execute(WTF::Ref<WebCore::ScriptElement, WTF::DumbPtrTraits<WebCore::ScriptElement> >&&, WTF::TextPosition const&) + 48 RefPtr.h:81 29 com.apple.WebCore 0x638f25199 WebCore::HTMLScriptRunner::runScript(WebCore::ScriptElement&, WTF::TextPosition const&) + 89 ScriptElement.h:61 28 com.apple.WebCore 0x638d20ebf WebCore::ScriptElement::prepareScript(WTF::TextPosition const&, WebCore::ScriptElement::LegacyTypeSupport) + 1231 CachedResourceHandle.h:61 27 com.apple.WebCore 0x638d22ac3 WebCore::ScriptElement::executeClassicScript(WebCore::ScriptSourceCode const&) + 563 CurrentScriptIncrementer.h:54 26 com.apple.WebCore 0x638a89d4f WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld&, WebCore::ExceptionDetails*) + 207 ScriptController.cpp:131 25 com.apple.WebCore 0x638a89f0b WebCore::JSExecState::profiledEvaluate(JSC::ExecState*, JSC::ProfilingReason, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&) + 123 JSExecState.h:0 24 com.apple.WebCore 0x638a758d3 WebCore::JSExecState::didLeaveScriptContext(JSC::ExecState*) + 35 memory:2583 23 com.apple.WebCore 0x638cf3599 WebCore::MicrotaskQueue::performMicrotaskCheckpoint() + 137 Microtasks.cpp:95 22 com.apple.WebCore 0x638c71faf WebCore::ActiveDOMCallbackMicrotask::run() + 47 Function.h:56 21 com.apple.WebCore 0x638a70f73 WebCore::JSMicrotaskCallback::call() + 67 JSMicrotaskCallback.h:46 20 com.apple.WebCore 0x638a69d24 WebCore::JSExecState::runTask(JSC::ExecState*, JSC::Microtask&) + 68 JSExecState.h:50 19 com.apple.JavaScriptCore 0x63cdd93bd JSC::JSMicrotask::run(JSC::ExecState*) + 461 VM.h:952 18 com.apple.JavaScriptCore 0x63cd0a234 JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 196 CallData.cpp:41 17 com.apple.JavaScriptCore 0x63cac3065 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 469 JITCodeInlines.h:39 16 com.apple.JavaScriptCore 0x63c4e8e99 vmEntryToJavaScript + 200 LowLevelInterpreter64.asm:295 15 com.apple.JavaScriptCore 0x63c4f8081 llint_entry + 61486 LowLevelInterpreter.asm:899 14 com.apple.JavaScriptCore 0x63c4f800e llint_entry + 61371 LowLevelInterpreter.asm:899 13 com.apple.JavaScriptCore 0x63c4f8081 llint_entry + 61486 LowLevelInterpreter.asm:899 12 com.apple.JavaScriptCore 0x63c4f8081 llint_entry + 61486 LowLevelInterpreter.asm:899 11 0x4c591ae01177 0x4c591ae01000 + 375 10 com.apple.WebCore 0x63879032c WebCore::jsWebGPUDevicePrototypeFunctionCreateBindGroupLayout(JSC::ExecState*) + 268 DumbPtrTraits.h:41 9 com.apple.WebCore 0x6389ccac4 WebCore::WebGPUDevice::createBindGroupLayout(WebCore::GPUBindGroupLayoutDescriptor&&) const + 116 Vector.h:340 8 com.apple.WebCore 0x63928f9de WebCore::GPUDevice::tryCreateBindGroupLayout(WebCore::GPUBindGroupLayoutDescriptor&&) const + 14 GPUDevice.cpp:51 7 com.apple.WebCore 0x6382781c5 WebCore::GPUBindGroupLayout::tryCreate(WebCore::GPUDevice const&, WebCore::GPUBindGroupLayoutDescriptor&&) + 213 utility:897 6 com.apple.WebCore 0x638278435 WebCore::appendArgumentToArray(WTF::RetainPtr<NSMutableArray<MTLArgumentDescriptor*> >, WTF::RetainPtr<MTLArgumentDescriptor>) + 85 GPUBindGroupLayoutMetal.mm:58 5 com.apple.CoreFoundation 0x7fff4ec354c7 -[NSArray initWithObjects:] + 566 4 com.apple.CoreFoundation 0x7fff4ebcddc4 +[__NSArrayM __new:::] + 36 3 com.apple.CoreFoundation 0x7fff4ebbd249 __CFAllocateObject2 + 15 2 libobjc.A.dylib 0x7fff7ad973f0 class_createInstance + 83 1 libsystem_malloc.dylib 0x7fff7c01ccba calloc + 30 0 libsystem_malloc.dylib 0x7fff7c01cd62 malloc_zone_calloc + 139 ==== 3 (128 bytes) ROOT LEAK: <NSMutableArray 0x7fdf0be2ff80> [48] 2 (80 bytes) <NSMutableArray (Storage) 0x7fdf0be259f0> [16] 1 (64 bytes) <MTLArgumentDescriptorInternal 0x7fdf0be2fef0> [64]
<rdar://problem/47448241>
Created attachment 359743 [details] Patch v1
Comment on attachment 359743 [details] Patch v1 Clearing flags on attachment: 359743 Committed r240256: <https://trac.webkit.org/changeset/240256>
All reviewed patches have been landed. Closing bug.