[Webkit-unassigned] [Bug 230984] New: [ BigSur Debug arm64 ] streams/readableStream-then.html is a flaky crash

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Sep 29 14:09:33 PDT 2021 

https://bugs.webkit.org/show_bug.cgi?id=230984

            Bug ID: 230984
           Summary: [ BigSur Debug arm64 ]
                    streams/readableStream-then.html is a flaky crash
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ehutchison at apple.com

Created attachment 439653

  --> https://bugs.webkit.org/attachment.cgi?id=439653&action=review

Crash Log

streams/readableStream-then.html

is a flaky crash on BigSur Debug arm64.

History: https://results.webkit.org/?suite=layout-tests&test=streams/readableStream-then.html

Build: https://ews-build.webkit.org/#/builders/60/builds/12973

Results: https://ews-build.s3-us-west-2.amazonaws.com/macOS-AppleSilicon-Big-Sur-Debug-WK2-Tests-EWS/r439513-12973-rerun/results.html

Thread 12 Crashed:: WebCore: Worker
0   com.apple.JavaScriptCore            0x0000000139081310 WTFCrash + 20
1   com.apple.JavaScriptCore            0x000000013a50a490 WTFCrashWithInfo(int, char const*, char const*, int) + 32
2   com.apple.JavaScriptCore            0x000000013b2db1b8 JSC::VMTraps::handleTraps(unsigned int) + 996
3   com.apple.JavaScriptCore            0x000000013b2dadb4 JSC::VM::hasExceptionsAfterHandlingTraps() + 80
4   com.apple.JavaScriptCore            0x000000013a9bc154 JSC::Interpreter::executeCall(JSC::JSGlobalObject*, JSC::JSObject*, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 660
5   com.apple.JavaScriptCore            0x000000013ad9a4dc JSC::call(JSC::JSGlobalObject*, JSC::JSValue, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 236
6   com.apple.JavaScriptCore            0x000000013ad9a7d8 JSC::profiledCall(JSC::JSGlobalObject*, JSC::ProfilingReason, JSC::JSValue, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 132
7   com.apple.JavaScriptCore            0x000000013b064540 JSC::JSMicrotask::run(JSC::JSGlobalObject*) + 524
8   com.apple.WebCore                   0x000000011ab63b90 WebCore::JSExecState::runTask(JSC::JSGlobalObject*, JSC::Microtask&) + 64
9   com.apple.WebCore                   0x000000011ac6dc5c WebCore::JSMicrotaskCallback::call() + 220
10  com.apple.WebCore                   0x000000011ac6db68 WebCore::JSWorkerGlobalScopeBase::queueMicrotaskToEventLoop(JSC::JSGlobalObject&, WTF::Ref<JSC::Microtask, WTF::RawPtrTraits<JSC::Microtask> >&&)::$_2::operator()() + 28
11  com.apple.WebCore                   0x000000011ac6da8c WTF::Detail::CallableWrapper<WebCore::JSWorkerGlobalScopeBase::queueMicrotaskToEventLoop(JSC::JSGlobalObject&, WTF::Ref<JSC::Microtask, WTF::RawPtrTraits<JSC::Microtask> >&&)::$_2, void>::call() + 28
12  com.apple.WebCore                   0x000000011bb96fdc WTF::Function<void ()>::operator()() const + 124
13  com.apple.WebCore                   0x000000011b349f00 WebCore::EventLoopFunctionDispatchTask::execute() + 28
14  com.apple.WebCore                   0x000000011b38c614 WebCore::MicrotaskQueue::performMicrotaskCheckpoint() + 344
15  com.apple.WebCore                   0x000000011b33e5b4 WebCore::EventLoop::performMicrotaskCheckpoint() + 40
16  com.apple.WebCore                   0x000000011b33fb24 WebCore::EventLoopTaskGroup::performMicrotaskCheckpoint() + 60
17  com.apple.WebCore                   0x000000011aaf189c WebCore::JSExecState::didLeaveScriptContext(JSC::JSGlobalObject*) + 64
18  com.apple.WebCore                   0x000000011ab03828 WebCore::JSExecState::~JSExecState() + 220
19  com.apple.WebCore                   0x000000011ab03690 WebCore::JSExecState::~JSExecState() + 32
20  com.apple.WebCore                   0x000000011aad1574 WebCore::JSExecState::profiledCall(JSC::JSGlobalObject*, JSC::ProfilingReason, JSC::JSValue, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) + 124
21  com.apple.WebCore                   0x000000011abb594c WebCore::ScheduledAction::executeFunctionInContext(JSC::JSGlobalObject*, JSC::JSValue, WebCore::ScriptExecutionContext&) + 796
22  com.apple.WebCore                   0x000000011abb5544 WebCore::ScheduledAction::execute(WebCore::WorkerGlobalScope&) + 220
23  com.apple.WebCore                   0x000000011abb52e8 WebCore::ScheduledAction::execute(WebCore::ScriptExecutionContext&) + 104
24  com.apple.WebCore                   0x000000011c070c78 WebCore::DOMTimer::fired() + 812
25  com.apple.WebCore                   0x000000011c3c3504 WebCore::ThreadTimers::sharedTimerFiredInternal() + 564
26  com.apple.WebCore                   0x000000011c3cd7bc WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0::operator()() const + 28
27  com.apple.WebCore                   0x000000011c3cd738 WTF::Detail::CallableWrapper<WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0, void>::call() + 28
28  com.apple.WebCore                   0x000000011bb96fdc WTF::Function<void ()>::operator()() const + 124
29  com.apple.WebCore                   0x000000011d4723c4 WebCore::WorkerSharedTimer::fire() + 28
30  com.apple.WebCore                   0x000000011d471a80 WebCore::WorkerRunLoop::runInMode(WebCore::WorkerOrWorkletGlobalScope*, WebCore::ModePredicate const&, WebCore::WorkerRunLoop::WaitMode) + 784
31  com.apple.WebCore                   0x000000011d47070c WebCore::WorkerRunLoop::run(WebCore::WorkerOrWorkletGlobalScope*) + 112
32  com.apple.WebCore                   0x000000011d470690 WebCore::WorkerOrWorkletThread::runEventLoop() + 64
33  com.apple.WebCore                   0x000000011d4312b4 WebCore::DedicatedWorkerThread::runEventLoop() + 84
34  com.apple.WebCore                   0x000000011d470934 WebCore::WorkerOrWorkletThread::workerOrWorkletThread() + 496
35  com.apple.WebCore                   0x000000011d4937c0 WebCore::WorkerThread::createThread()::$_14::operator()() const + 28
36  com.apple.WebCore                   0x000000011d49373c WTF::Detail::CallableWrapper<WebCore::WorkerThread::createThread()::$_14, void>::call() + 28
37  com.apple.JavaScriptCore            0x00000001390aae0c WTF::Function<void ()>::operator()() const + 124
38  com.apple.JavaScriptCore            0x0000000139270b38 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) + 396
39  com.apple.JavaScriptCore            0x000000013927f19c WTF::wtfThreadEntryPoint(void*) + 24
40  libsystem_pthread.dylib             0x0000000180d8b878 _pthread_start + 320
41  libsystem_pthread.dylib             0x0000000180d865e0 thread_start + 8

Crashed on OpenSource BigSur wk1 Debug arm64 at r280398 and others with no crash log, stderr only.

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