[Webkit-unassigned] [Bug 230109] New: [ BigSur arm64 EWS ] ASSERTION FAILED: m_globalScope->hasOneRef() ./workers/WorkerOrWorkletThread.cpp(155) : void WebCore::WorkerOrWorkletThread::workerOrWorkletThread()

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Sep 9 10:33:51 PDT 2021


https://bugs.webkit.org/show_bug.cgi?id=230109

            Bug ID: 230109
           Summary: [ BigSur arm64 EWS ] ASSERTION FAILED:
                    m_globalScope->hasOneRef()
                    ./workers/WorkerOrWorkletThread.cpp(155) : void
                    WebCore::WorkerOrWorkletThread::workerOrWorkletThread(
                    )
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Mac (Apple Silicon)
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ayumi_kojima at apple.com

imported/w3c/web-platform-tests/workers/modules/dedicated-worker-import-blob-url.any.html

Is a flaky crash on macOS-AppleSilicon-Big-Sur-Debug-WK2-Tests-EWS

In the open source directory, I don't see any crash but it failed a couple of times in the history: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fworkers%2Fmodules%2Fdedicated-worker-import-blob-url.any.html

Builds that the test failed:

https://build.webkit.org/#/builders/70/builds/4727
https://build.webkit.org/#/builders/13/builds/4168
https://build.webkit.org/#/builders/45/builds/1320

The test started being flaky on EWS at https://ews-build.webkit.org/#/builders/60/builds/11578

Stderr:

ASSERTION FAILED: m_globalScope->hasOneRef()
./workers/WorkerOrWorkletThread.cpp(155) : void WebCore::WorkerOrWorkletThread::workerOrWorkletThread()
1   0x139dc759c WTFCrash
2   0x11986d8d0 WTFCrashWithInfo(int, char const*, char const*, int)
3   0x11d9b6818 WebCore::WorkerOrWorkletThread::workerOrWorkletThread()
4   0x11da08c0c WebCore::WorkerThread::createThread()::$_1::operator()() const
5   0x11da08b88 WTF::Detail::CallableWrapper<WebCore::WorkerThread::createThread()::$_1, void>::call()
6   0x139df0ee0 WTF::Function<void ()>::operator()() const
7   0x139ec05d4 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*)
8   0x139ecebf4 WTF::wtfThreadEntryPoint(void*)
9   0x180d8b878 _pthread_start
10  0x180d865e0 thread_start
com.apple.WebKit.WebContent.Development terminated (pid 77307) because the process crashed
LEAK: 1 WebPageProxy

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