231451 2021-10-08 13:59:13 -0700 [ iOS 15 Debug ] ASSERTION FAILED: sockets.empty() 2021-10-22 17:05:53 -0700 1 1 1 Unclassified WebKit WebRTC WebKit Nightly Build iPhone / iPad Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 ayumi_kojima webkit-unassigned webkit-bot-watchers-bugzilla webkit-bug-importer youennf oldest_to_newest 1802233 0 ayumi_kojima 2021-10-08 13:59:13 -0700 webrtc/receiver-track-should-stay-live-even-if-receiver-is-inactive.html Is a flaky crash on iOS 15 Debug. History: https://results.webkit.org/?suite=layout-tests&test=webrtc%2Freceiver-track-should-stay-live-even-if-receiver-is-inactive.html Result page: https://build.webkit.org/results/Apple-iPadOS-15-Simulator-Debug-WK2-Tests/r283797%20(42)/results.html# Crash log: No crash log found for com.apple.WebKit.Networking.Development:994. stdout: stderr: ASSERTION FAILED: sockets.empty() /Volumes/Data/worker/ios-simulator-15-debug/build/Source/WebKit/NetworkProcess/webrtc/NetworkRTCProvider.cpp(132) : auto WebKit::NetworkRTCProvider::close()::(anonymous class)::operator()() const 1 0x13f635bd9 WTFCrash 2 0x12494270b WTFCrashWithInfo(int, char const*, char const*, int) 3 0x125b331c9 WebKit::NetworkRTCProvider::close()::$_9::operator()() const 4 0x125b33089 WTF::Detail::CallableWrapper<WebKit::NetworkRTCProvider::close()::$_9, void>::call() 5 0x12498fbe2 WTF::Function<void ()>::operator()() const 6 0x125b1bc22 WebKit::NetworkRTCProvider::OnMessage(rtc::Message*) 7 0x1199e7fc7 rtc::Thread::Dispatch(rtc::Message*) 8 0x1199e49da rtc::Thread::ProcessMessages(int) 9 0x1199e9b0a rtc::Thread::Run() 10 0x1199e96c3 rtc::Thread::PreRun(void*) 11 0x107d5b8fc _pthread_start 12 0x107d57443 thread_start It looks like the test started being flaky at around r283606. 1802235 1 webkit-bug-importer 2021-10-08 14:01:17 -0700 <rdar://problem/84042727> 1802237 2 ayumi_kojima 2021-10-08 14:03:11 -0700 Marked test expectations https://trac.webkit.org/changeset/283836/webkit 1806562 3 youennf 2021-10-20 03:54:32 -0700 Should be fixed by https://webkit.org/b/231779 1807966 4 ayumi_kojima 2021-10-22 17:05:33 -0700 The test is not crashing anymore. Removed test expectation https://trac.webkit.org/changeset/284729/webkit