Bug 182105 – [GTK] fast/workers/worker-cloneport.html is flaky

• Status: RESOLVED
• Resolution: DUPLICATE
• Component: WebKitGTK

[Miguel Gomez]

Moves between pass and crash

[Fujii Hironori]

https://build.webkit.org/builders/GTK%20Linux%2064-bit%20Release%20(Tests)/builds/5178

> Thread 1 (Thread 0x2b6fc4201700 (LWP 10296)):
> #0  0x00002b6fad4f01ec in WTFCrash () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #1  0x00002b6fad50afe5 in WTF::RunLoop::current() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #2  0x00002b6fad50b029 in WTF::RunLoop::isMain() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #3  0x00002b6fa97dafb8 in IPC::Connection::sendMessage(std::unique_ptr<IPC::Encoder, std::default_delete<IPC::Encoder> >, WTF::OptionSet<IPC::SendOption>) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
> #4  0x00002b6fa9a030ed in WebKit::WebMessagePortChannelProvider::checkRemotePortForActivity(WebCore::MessagePortIdentifier const&, WTF::CompletionHandler<void (WebCore::MessagePortChannelProvider::HasActivity)>&&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
> #5  0x00002b6faa4b62e5 in WebCore::MessagePort::hasPendingActivity() const () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
> #6  0x00002b6fa9e3c9e9 in WebCore::JSMessagePortOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void*, JSC::SlotVisitor&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
> #7  0x00002b6facf99510 in void JSC::WeakBlock::specializedVisit<JSC::MarkedBlock>(JSC::MarkedBlock&, JSC::SlotVisitor&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #8  0x00002b6facf8be83 in JSC::MarkedSpace::visitWeakSets(JSC::SlotVisitor&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #9  0x00002b6facf9044b in JSC::MarkingConstraint::execute(JSC::SlotVisitor&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #10 0x00002b6facf94236 in JSC::MarkingConstraintSolver::runExecutionThread(JSC::SlotVisitor&, JSC::MarkingConstraintSolver::SchedulerPreference, WTF::ScopedLambda<std::optional<unsigned int> ()>) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #11 0x00002b6facf95148 in JSC::SlotVisitor::drainFromShared(JSC::SlotVisitor::SharedDrainMode, WTF::MonotonicTime) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #12 0x00002b6facf75f21 in WTF::SharedTaskFunctor<void (), JSC::Heap::runBeginPhase(JSC::GCConductor)::{lambda()#2}>::run() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #13 0x00002b6fad50671b in WTF::ParallelHelperClient::runTask(WTF::RefPtr<WTF::SharedTask<void ()>, WTF::DumbPtrTraits<WTF::SharedTask<void ()> > >) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #14 0x00002b6fad507519 in WTF::ParallelHelperPool::Thread::work() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #15 0x00002b6fad4f1d9f in WTF::Function<void ()>::CallableWrapper<WTF::AutomaticThread::start(WTF::AbstractLocker const&)::{lambda()#1}>::call() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #16 0x00002b6fad50c89b in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #17 0x00002b6fad53fe59 in WTF::wtfThreadEntryPoint(void*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #18 0x00002b6faf40a494 in start_thread (arg=0x2b6fc4201700) at pthread_create.c:333
> #19 0x00002b6fb3dc593f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

[Fujii Hironori]

*** This bug has been marked as a duplicate of bug 182104 ***