Bug 305762 – `imported/w3c/web-platform-tests/web-locks/workers.https.html` is a flaky crash

• Component: New Bugs
• Status: RESOLVED FIXED

[Vitaly Dyackhov]

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fweb-locks%2Fworkers.https.html

Stack trace:
```
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f5359daf930 in JSC::JSPromise::performPromiseThen(JSC::VM&, JSC::JSGlobalObject*, JSC::JSValue, JSC::JSValue, JSC::JSValue) () from /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1
[Current thread is 1 (Thread 0x7f5066ffd6c0 (LWP 1131064))]

Thread 1 (Thread 0x7f5066ffd6c0 (LWP 1131064)):
#0  0x00007f5359daf930 in JSC::JSPromise::performPromiseThen(JSC::VM&, JSC::JSGlobalObject*, JSC::JSValue, JSC::JSValue, JSC::JSValue) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1
#1  0x00007f535bc8af55 in WebCore::DOMPromise::whenPromiseIsSettled(WebCore::JSDOMGlobalObject*, JSC::JSPromise*, WTF::Function<void (WebCore::JSDOMGlobalObject*, bool, JSC::JSValue)>&&) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1
#2  0x00007f535ba124d4 in auto WebCore::WebLockManager::didCompleteLockRequest(WebCore::ProcessQualified<WTF::ObjectIdentifierGeneric<WebCore::WebLockIdentifierType, WTF::ObjectIdentifierThreadSafeAccessTraits<unsigned long>, unsigned long> >, bool)::{lambda(auto:1&)#1}::operator()<WebCore::WebLockManager>(WebCore::WebLockManager&) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1
#3  0x00007f535c1aceef in WebCore::EventLoop::run(std::optional<WTF::ApproximateTime>) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1
#4  0x00007f535d743d64 in WebCore::WorkerDedicatedRunLoop::Task::performTask(WebCore::WorkerOrWorkletGlobalScope*) [clone .part.0] () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1
#5  0x00007f535d74e89f in WebCore::WorkerDedicatedRunLoop::runInMode(WebCore::WorkerOrWorkletGlobalScope*, WebCore::ModePredicate const&) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1
#6  0x00007f535d750305 in WebCore::WorkerDedicatedRunLoop::run(WebCore::WorkerOrWorkletGlobalScope*) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1
#7  0x00007f535d750a50 in WebCore::WorkerOrWorkletThread::runEventLoop() () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1
#8  0x00007f535d753531 in WebCore::WorkerOrWorkletThread::workerOrWorkletThread() () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1
#9  0x00007f535a6aca7d in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1
#10 0x00007f535a72cfad in WTF::wtfThreadEntryPoint(void*) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1
#11 0x00007f5355e8aaa4 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447
#12 0x00007f5355f17c6c in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
```

[Vitaly Dyackhov]

Pull request: https://github.com/WebKit/WebKit/pull/56822

[EWS]

Committed 306190@main (65057afee9f4): <https://commits.webkit.org/306190@main>

Reviewed commits have been landed. Closing PR #56822 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/168902986>