[Webkit-unassigned] [Bug 171380] New: ASSERTION FAILED: !m_completionTasks[0].first in JSC::Wasm::Plan::tryRemoveVMAndCancelIfLast(JSC::VM &)

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Apr 27 09:48:20 PDT 2017


https://bugs.webkit.org/show_bug.cgi?id=171380

            Bug ID: 171380
           Summary: ASSERTION FAILED: !m_completionTasks[0].first in
                    JSC::Wasm::Plan::tryRemoveVMAndCancelIfLast(JSC::VM &)
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com

ASSERTION FAILED: !m_completionTasks[0].first
/Volumes/Data/slave/elcapitan-debug/build/Source/JavaScriptCore/wasm/WasmPlan.cpp(116) : bool JSC::Wasm::Plan::tryRemoveVMAndCancelIfLast(JSC::VM &)
1   0x106aefce0 WTFCrash
2   0x106a05673 JSC::Wasm::Plan::tryRemoveVMAndCancelIfLast(JSC::VM&)
3   0x1059baf44 JSC::Wasm::Worklist::stopAllPlansForVM(JSC::VM&)
4   0x106966183 JSC::VM::~VM()
5   0x106967e65 JSC::VM::~VM()
6   0x1061434e9 WTF::ThreadSafeRefCounted<JSC::VM>::deref() const
7   0x106143494 void WTF::derefIfNotNull<JSC::VM>(JSC::VM*)
8   0x1064eb66b WTF::RefPtr<JSC::VM>::operator=(std::nullptr_t)
9   0x1064fbafa JSC::JSLockHolder::~JSLockHolder()
10  0x1064fbb75 JSC::JSLockHolder::~JSLockHolder()
11  0x1110c345d WebCore::WorkerScriptController::~WorkerScriptController()
12  0x1110c3565 WebCore::WorkerScriptController::~WorkerScriptController()
13  0x1110cc058 WebCore::WorkerGlobalScope::clearScript()
14  0x1110c91d6 WebCore::WorkerThread::stop()::$_0::operator()(WebCore::ScriptExecutionContext&) const::'lambda'(WebCore::ScriptExecutionContext&)::operator()(WebCore::ScriptExecutionContext&) const
15  0x1110c9187 WTF::Function<void (WebCore::ScriptExecutionContext&)>::CallableWrapper<WebCore::WorkerThread::stop()::$_0::operator()(WebCore::ScriptExecutionContext&) const::'lambda'(WebCore::ScriptExecutionContext&)>::call(WebCore::ScriptExecutionContext&)
16  0x10e9acc47 WTF::Function<void (WebCore::ScriptExecutionContext&)>::operator()(WebCore::ScriptExecutionContext&) const
17  0x10e99c52d WebCore::ScriptExecutionContext::Task::performTask(WebCore::ScriptExecutionContext&)
18  0x1110be6d9 WebCore::WorkerRunLoop::Task::performTask(WebCore::WorkerRunLoop const&, WebCore::WorkerGlobalScope*)
19  0x1110be488 WebCore::WorkerRunLoop::runCleanupTasks(WebCore::WorkerGlobalScope*)
20  0x1110bdb43 WebCore::WorkerRunLoop::run(WebCore::WorkerGlobalScope*)
21  0x1110c81b5 WebCore::WorkerThread::runEventLoop()
22  0x10e905a59 WebCore::DedicatedWorkerThread::runEventLoop()
23  0x1110c7fbd WebCore::WorkerThread::workerThread()
24  0x1110c7a25 WebCore::WorkerThread::workerThreadStart(void*)
25  0x106b74579 WTF::Thread::create(void (*)(void*), void*, char const*)::$_0::operator()() const
26  0x106b7454d void std::__1::__invoke_void_return_wrapper<void>::__call<WTF::Thread::create(void (*)(void*), void*, char const*)::$_0&>(WTF::Thread::create(void (*)(void*), void*, char const*)::$_0&&&)
27  0x106b744ec std::__1::__function::__func<WTF::Thread::create(void (*)(void*), void*, char const*)::$_0, std::__1::allocator<WTF::Thread::create(void (*)(void*), void*, char const*)::$_0>, void ()>::operator()()
28  0x1060168aa std::__1::function<void ()>::operator()() const
29  0x106b72e3e WTF::threadEntryPoint(void*)
30  0x106b74fc6 WTF::wtfThreadEntryPoint(void*)
31  0x7fff8d92099d _pthread_body

https://build.webkit.org/results/Apple%20El%20Capitan%20Debug%20WK1%20(Tests)/r215860%20(824)/workers/wasm-long-compile-many-crash-log.txt

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=workers%2Fwasm-long-compile-many.html

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