174814 2017-07-25 01:54:21 -0700 [curl] ASSERTION FAILED: The string being removed is atomic in the string table of an other thread! 2017-07-26 02:02:45 -0700 1 1 1 Unclassified WebKit Platform WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 174845 P2 Normal --- 1 fujii webkit-unassigned basuke oldest_to_newest 1331909 0 fujii 2017-07-25 01:54:21 -0700 While using MiniBrowser of WinCairo port (trunk@219863, Debug build), I see the following assertion failure. > ASSERTION FAILED: The string being removed is atomic in the string table of an other thread! > iterator != atomicStringTable.end() > C:\webkit\ga\Source\WTF\wtf\text\AtomicStringImpl.cpp(483) : WTF::AtomicStringImpl::remove > WTF.dll!WTFCrash() Line 278 C++ > WTF.dll!WTF::AtomicStringImpl::remove(WTF::AtomicStringImpl * string) Line 483 C++ > WTF.dll!WTF::StringImpl::~StringImpl() Line 118 C++ > [External Code] > WTF.dll!WTF::StringImpl::destroy(WTF::StringImpl * stringImpl) Line 144 C++ > WebKit.dll!WTF::StringImpl::deref() Line 566 C++ > WebKit.dll!WTF::derefIfNotNull<WTF::StringImpl>(WTF::StringImpl * ptr) Line 46 C++ > WebKit.dll!WTF::RefPtr<WTF::StringImpl>::~RefPtr<WTF::StringImpl>() Line 69 C++ > WebKit.dll!WTF::String::~String() Line 142 C++ > [External Code] > WebKit.dll!WebCore::ResourceHandleInternal::~ResourceHandleInternal() Line 52 C++ > [External Code] > WebKit.dll!WebCore::ResourceHandle::~ResourceHandle() Line 56 C++ > [External Code] > WebKit.dll!WTF::RefCounted<WebCore::ResourceHandle>::deref() Line 145 C++ > WebKit.dll!WTF::Ref<WebCore::ResourceHandle>::~Ref<WebCore::ResourceHandle>() Line 59 C++ > [External Code] > WTF.dll!WTF::Function<void __cdecl(void)>::operator=(void * __formal) Line 79 C++ > WTF.dll!WTF::dispatchFunctionsFromMainThread() Line 138 C++ > WTF.dll!WTF::ThreadingWindowWndProc(HWND__ * hWnd, unsigned int message, unsigned __int64 wParam, __int64 lParam) Line 47 C++ > [External Code] > WebKit.dll!WebKitMessageLoop::run(HACCEL__ * hAccelTable) Line 97 C++ > MiniBrowserLib.dll!wWinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 189 C++ > MiniBrowserLib.dll!dllLauncherEntryPoint(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 908 C++ > MiniBrowser.exe!wWinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 249 C++ > [External Code] 1331910 1 fujii 2017-07-25 02:00:43 -0700 That string is "OK". > WebKit.dll!WTF::String::~String() Line 142 C++ > [External Code] > WebKit.dll!WebCore::ResourceHandleInternal::~ResourceHandleInternal() Line 52 C++ ~ResourceHandleInternal was calling WebCore::ResourceResponse::~ResourceResponse. I don't know who was calling ~String(). 1332003 2 basuke 2017-07-25 10:59:04 -0700 Okay. Thanks for reporting. Still ResourceHandle curl has bunch of mysterious behaviors which need to cleanup. One by one. 1332235 3 fujii 2017-07-25 20:38:44 -0700 The type of ResourceResponseBase::m_httpStatusText is AtomicString. ResourceHandleInternal::didReceiveHeaderLine calls setHTTPStatusText in the curl thread. And, the AtomicString is destructed in main thread. 1332296 4 fujii 2017-07-26 02:02:45 -0700 *** This bug has been marked as a duplicate of bug 174845 ***