[Webkit-unassigned] [Bug 240707] New: REGRESSION(250571 at main)[WinCairo] "Exception thrown: read access violation. " in WTF::Thread::ThreadHolder::~ThreadHolder()

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri May 20 00:35:02 PDT 2022


https://bugs.webkit.org/show_bug.cgi?id=240707

            Bug ID: 240707
           Summary: REGRESSION(250571 at main)[WinCairo] "Exception thrown:
                    read access violation. " in
                    WTF::Thread::ThreadHolder::~ThreadHolder()
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Template Framework
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Hironori.Fujii at sony.com

REGRESSION(250571 at main)[WinCairo] "Exception thrown: read access violation. " in WTF::Thread::ThreadHolder::~ThreadHolder()

If I run WinCairo WK1 and WK2 with debugger attached, the following exception is thrown by browsing some sites.

Exception thrown: read access violation.
**_Val** was 0x188.

Callstack

WTF.dll!std::exchange<WTF::Thread::ClientData *,std::nullptr_t &>(WTF::Thread::ClientData * & _Val, void * & _New_val) Line 616 C++
WTF.dll!WTF::RawPtrTraits<WTF::Thread::ClientData>::exchange<std::nullptr_t>(WTF::Thread::ClientData * & ptr, void * && newValue) Line 41       C++
WTF.dll!WTF::RefPtr<WTF::Thread::ClientData,WTF::RawPtrTraits<WTF::Thread::ClientData>,WTF::DefaultRefDerefTraits<WTF::Thread::ClientData>>::operator=(void * __formal) Line 163        C++
WTF.dll!WTF::Thread::ThreadHolder::~ThreadHolder() Line 273     C++
WTF.dll!WTF::`dynamic atexit destructor for 's_threadHolder''() C++
WTF.dll!__dyn_tls_dtor(void * __formal, const unsigned long dwReason, void * __formal) Line 119 C++
ntdll.dll!LdrpCallInitRoutine() Unknown
ntdll.dll!LdrpCallTlsInitializers()    Unknown
ntdll.dll!LdrShutdownThread()   Unknown
ntdll.dll!RtlExitUserThread()  Unknown
KernelBase.dll!FreeLibraryAndExitThread()       Unknown
ucrtbase.dll!common_end_thread()        Unknown
ucrtbase.dll!thread_start<unsigned int (__cdecl*)(void *),1>()  Unknown
kernel32.dll!BaseThreadInitThunk()     Unknown
ntdll.dll!RtlUserThreadStart() Unknown

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