Bug 193177

Leak of WTF::Function objects in WebCore::CryptoKeyRSA::generatePair() (64-80 bytes each) 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 imported/w3c/web-platform-tests/WebCryptoAPI/generateKey/successes_RSA-OAEP.https.any.worker.html NOTE: Requires changes to run-webkit-tests to support --leaks with WebKit2. STACK OF 1 INSTANCE OF 'ROOT LEAK: <0x7ffebf90a850>': [thread 0x70000d866000]: 28 libsystem_pthread.dylib 0x7fff66301445 thread_start + 13 27 libsystem_pthread.dylib 0x7fff663052a7 _pthread_start + 70 26 libsystem_pthread.dylib 0x7fff66302339 _pthread_body + 126 25 com.apple.JavaScriptCore 0x115645cc9 WTF::wtfThreadEntryPoint(void*) + 9 ThreadingPthreads.cpp:203 24 com.apple.JavaScriptCore 0x115644032 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) + 194 memory:2597 23 com.apple.WebCore 0x1129e6a06 WebCore::WorkerThread::workerThread() + 1046 RefPtr.h:58 22 com.apple.WebCore 0x1129e3e00 WebCore::WorkerRunLoop::run(WebCore::WorkerGlobalScope*) + 96 WorkerRunLoop.cpp:138 21 com.apple.WebCore 0x1129e403d WebCore::WorkerRunLoop::runInMode(WebCore::WorkerGlobalScope*, WebCore::ModePredicate const&, WebCore::WorkerRunLoop::WaitMode) + 477 WorkerRunLoop.cpp:211 20 com.apple.WebCore 0x1125316d9 WebCore::ThreadTimers::sharedTimerFiredInternal() + 185 ThreadTimers.cpp:120 19 com.apple.WebCore 0x112086be9 WebCore::MicrotaskQueue::performMicrotaskCheckpoint() + 137 Microtasks.cpp:95 18 com.apple.WebCore 0x1120058af WebCore::ActiveDOMCallbackMicrotask::run() + 47 Function.h:56 17 com.apple.WebCore 0x111e04943 WebCore::JSMicrotaskCallback::call() + 67 JSMicrotaskCallback.h:46 16 com.apple.WebCore 0x111dfd664 WebCore::JSExecState::runTask(JSC::ExecState*, JSC::Microtask&) + 68 JSExecState.h:50 15 com.apple.JavaScriptCore 0x11613f9dd JSC::JSMicrotask::run(JSC::ExecState*) + 461 VM.h:950 14 com.apple.JavaScriptCore 0x1160708f4 JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 196 CallData.cpp:41 13 com.apple.JavaScriptCore 0x115e29f25 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 469 JITCodeInlines.h:39 12 com.apple.JavaScriptCore 0x115851919 vmEntryToJavaScript + 200 LowLevelInterpreter64.asm:295 11 0x277493874ff7 0x277493801000 + 475127 10 0x27749388199b 0x277493801000 + 526747 9 0x27749387a5cd 0x277493801000 + 497101 8 0x2774938828a7 0x277493801000 + 530599 7 0x277493801eb7 0x277493801000 + 3767 6 com.apple.WebCore 0x111a7fd97 WebCore::jsSubtleCryptoPrototypeFunctionGenerateKey(JSC::ExecState*) + 567 Vector.h:340 5 com.apple.WebCore 0x111eb2ca8 WebCore::SubtleCrypto::generateKey(JSC::ExecState&, WTF::Variant<JSC::Strong<JSC::JSObject>, WTF::String>&&, bool, WTF::Vector<WebCore::CryptoKeyUsage, 0ul, WTF::CrashOnOverflow, 16ul>&&, WTF::Ref<WebCore::DeferredPromise, WTF::DumbPtrTraits<WebCore::DeferredPromise> >&&) + 728 memory:2595 4 com.apple.WebCore 0x111ec84b0 WebCore::CryptoAlgorithmRSA_OAEP::generateKey(WebCore::CryptoAlgorithmParameters const&, bool, int, WTF::Function<void (WTF::Variant<WTF::RefPtr<WebCore::CryptoKey, WTF::DumbPtrTraits<WebCore::CryptoKey> >, WebCore::CryptoKeyPair>&&)>&&, WTF::Function<void (WebCore::ExceptionCode)>&&, WebCore::ScriptExecutionContext&) + 208 CryptoAlgorithmRSA_OAEP.cpp:102 3 com.apple.WebCore 0x111ed5dcc WebCore::CryptoKeyRSA::generatePair(WebCore::CryptoAlgorithmIdentifier, WebCore::CryptoAlgorithmIdentifier, bool, unsigned int, WTF::Vector<unsigned char, 0ul, WTF::CrashOnOverflow, 16ul> const&, bool, int, WTF::Function<void (WebCore::CryptoKeyPair&&)>&&, WTF::Function<void ()>&&, WebCore::ScriptExecutionContext*) + 268 CryptoKeyRSAMac.cpp:305 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 ==== 4 (80 bytes) ROOT LEAK: 0x7ffebf90a850 [16] 3 (64 bytes) <WTF::Function<void (WebCore::CryptoKeyPair&&)>::CallableWrapper<WebCore::CryptoAlgorithmRSA_OAEP::generateKey(WebCore::CryptoAlgorithmParameters const&, bool, int, WTF::Function<void (WTF::Variant<WTF::RefPtr<WebCore::CryptoKey, WTF::DumbPtrTraits<WebCore::CryptoKey> >, WebCore::CryptoKeyPair>&&)>&&, WTF::Function<void (WebCore::ExceptionCode)>&&, WebCore::ScriptExecutionContext&)::$_4> 0x7ffebf90a040> [16] 2 (48 bytes) <WTF::Function<void (WTF::Variant<WTF::RefPtr<WebCore::CryptoKey, WTF::DumbPtrTraits<WebCore::CryptoKey> >, WebCore::CryptoKeyPair>&&)>::CallableWrapper<WebCore::SubtleCrypto::generateKey(JSC::ExecState&, WTF::Variant<JSC::Strong<JSC::JSObject>, WTF::String>&&, bool, WTF::Vector<WebCore::CryptoKeyUsage, 0ul, WTF::CrashOnOverflow, 16ul>&&, WTF::Ref<WebCore::DeferredPromise, WTF::DumbPtrTraits<WebCore::DeferredPromise> >&&)::$_10> 0x7ffeb7eec550> [32] 1 (16 bytes) 0x7ffeb7c86960 [16] STACK OF 1 INSTANCE OF 'ROOT LEAK: <0x7ffebf94d850>': [thread 0x70000d866000]: 28 libsystem_pthread.dylib 0x7fff66301445 thread_start + 13 27 libsystem_pthread.dylib 0x7fff663052a7 _pthread_start + 70 26 libsystem_pthread.dylib 0x7fff66302339 _pthread_body + 126 25 com.apple.JavaScriptCore 0x115645cc9 WTF::wtfThreadEntryPoint(void*) + 9 ThreadingPthreads.cpp:203 24 com.apple.JavaScriptCore 0x115644032 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) + 194 memory:2597 23 com.apple.WebCore 0x1129e6a06 WebCore::WorkerThread::workerThread() + 1046 RefPtr.h:58 22 com.apple.WebCore 0x1129e3e00 WebCore::WorkerRunLoop::run(WebCore::WorkerGlobalScope*) + 96 WorkerRunLoop.cpp:138 21 com.apple.WebCore 0x1129e403d WebCore::WorkerRunLoop::runInMode(WebCore::WorkerGlobalScope*, WebCore::ModePredicate const&, WebCore::WorkerRunLoop::WaitMode) + 477 WorkerRunLoop.cpp:211 20 com.apple.WebCore 0x1125316d9 WebCore::ThreadTimers::sharedTimerFiredInternal() + 185 ThreadTimers.cpp:120 19 com.apple.WebCore 0x112086be9 WebCore::MicrotaskQueue::performMicrotaskCheckpoint() + 137 Microtasks.cpp:95 18 com.apple.WebCore 0x1120058af WebCore::ActiveDOMCallbackMicrotask::run() + 47 Function.h:56 17 com.apple.WebCore 0x111e04943 WebCore::JSMicrotaskCallback::call() + 67 JSMicrotaskCallback.h:46 16 com.apple.WebCore 0x111dfd664 WebCore::JSExecState::runTask(JSC::ExecState*, JSC::Microtask&) + 68 JSExecState.h:50 15 com.apple.JavaScriptCore 0x11613f9dd JSC::JSMicrotask::run(JSC::ExecState*) + 461 VM.h:950 14 com.apple.JavaScriptCore 0x1160708f4 JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 196 CallData.cpp:41 13 com.apple.JavaScriptCore 0x115e29f25 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 469 JITCodeInlines.h:39 12 com.apple.JavaScriptCore 0x115851919 vmEntryToJavaScript + 200 LowLevelInterpreter64.asm:295 11 0x277493874ff7 0x277493801000 + 475127 10 0x27749388199b 0x277493801000 + 526747 9 0x27749387a5cd 0x277493801000 + 497101 8 0x2774938828a7 0x277493801000 + 530599 7 0x277493801eb7 0x277493801000 + 3767 6 com.apple.WebCore 0x111a7fd97 WebCore::jsSubtleCryptoPrototypeFunctionGenerateKey(JSC::ExecState*) + 567 Vector.h:340 5 com.apple.WebCore 0x111eb2ca8 WebCore::SubtleCrypto::generateKey(JSC::ExecState&, WTF::Variant<JSC::Strong<JSC::JSObject>, WTF::String>&&, bool, WTF::Vector<WebCore::CryptoKeyUsage, 0ul, WTF::CrashOnOverflow, 16ul>&&, WTF::Ref<WebCore::DeferredPromise, WTF::DumbPtrTraits<WebCore::DeferredPromise> >&&) + 728 memory:2595 4 com.apple.WebCore 0x111ec84b0 WebCore::CryptoAlgorithmRSA_OAEP::generateKey(WebCore::CryptoAlgorithmParameters const&, bool, int, WTF::Function<void (WTF::Variant<WTF::RefPtr<WebCore::CryptoKey, WTF::DumbPtrTraits<WebCore::CryptoKey> >, WebCore::CryptoKeyPair>&&)>&&, WTF::Function<void (WebCore::ExceptionCode)>&&, WebCore::ScriptExecutionContext&) + 208 CryptoAlgorithmRSA_OAEP.cpp:102 3 com.apple.WebCore 0x111ed5de8 WebCore::CryptoKeyRSA::generatePair(WebCore::CryptoAlgorithmIdentifier, WebCore::CryptoAlgorithmIdentifier, bool, unsigned int, WTF::Vector<unsigned char, 0ul, WTF::CrashOnOverflow, 16ul> const&, bool, int, WTF::Function<void (WebCore::CryptoKeyPair&&)>&&, WTF::Function<void ()>&&, WebCore::ScriptExecutionContext*) + 296 CryptoKeyRSAMac.cpp:306 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 ==== 3 (64 bytes) ROOT LEAK: 0x7ffebf94d850 [16] 2 (48 bytes) <WTF::Function<void ()>::CallableWrapper<WebCore::CryptoAlgorithmRSA_OAEP::generateKey(WebCore::CryptoAlgorithmParameters const&, bool, int, WTF::Function<void (WTF::Variant<WTF::RefPtr<WebCore::CryptoKey, WTF::DumbPtrTraits<WebCore::CryptoKey> >, WebCore::CryptoKeyPair>&&)>&&, WTF::Function<void (WebCore::ExceptionCode)>&&, WebCore::ScriptExecutionContext&)::$_5> 0x7ffeb93600f0> [16] 1 (32 bytes) <WTF::Function<void (WebCore::ExceptionCode)>::CallableWrapper<WebCore::SubtleCrypto::generateKey(JSC::ExecState&, WTF::Variant<JSC::Strong<JSC::JSObject>, WTF::String>&&, bool, WTF::Vector<WebCore::CryptoKeyUsage, 0ul, WTF::CrashOnOverflow, 16ul>&&, WTF::Ref<WebCore::DeferredPromise, WTF::DumbPtrTraits<WebCore::DeferredPromise> >&&)::$_11> 0x7ffebfa00170> [32]