NEW 187529
REGRESSION: Layout Test webrtc/video-with-receiver.html is a flaky crash 
https://bugs.webkit.org/show_bug.cgi?id=187529
Summary REGRESSION: Layout Test webrtc/video-with-receiver.html is a flaky crash
Dawei Fenton (:realdawei)
Reported 2018-07-10 11:05:46 PDT
The following layout test is failing on High Sierra Release WK2 webrtc/video-with-receiver.html Probable cause: Unknown, investigating. Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=webrtc%2Fvideo-with-receiver.html
Attachments
Crash Log (87.74 KB, text/plain)
2018-07-11 10:15 PDT, Dawei Fenton (:realdawei) 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Ryan Haddad
Comment 1 2018-07-10 11:13:53 PDT
Application Specific Information: CRASHING TEST: webrtc/video-with-data-channel.html Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.WebCore 0x00000001066744b4 WebCore::TrackPrivateBase::~TrackPrivateBase() + 4 (TrackPrivateBase.h:57) 1 com.apple.JavaScriptCore 0x000000010a499e2e WTF::dispatchFunctionsFromMainThread() + 318 (MainThread.cpp:132) 2 com.apple.Foundation 0x00007fff5408c2b5 __NSThreadPerformPerform + 334 3 com.apple.CoreFoundation 0x00007fff51f58d81 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 4 com.apple.CoreFoundation 0x00007fff5201065c __CFRunLoopDoSource0 + 108 5 com.apple.CoreFoundation 0x00007fff51f3bd30 __CFRunLoopDoSources0 + 208 6 com.apple.CoreFoundation 0x00007fff51f3b1ad __CFRunLoopRun + 1293 7 com.apple.CoreFoundation 0x00007fff51f3aa07 CFRunLoopRunSpecific + 487 8 com.apple.HIToolbox 0x00007fff51218d96 RunCurrentEventLoopInMode + 286 9 com.apple.HIToolbox 0x00007fff51218b06 ReceiveNextEventCommon + 613 10 com.apple.HIToolbox 0x00007fff51218884 _BlockUntilNextEventMatchingListInModeWithFilter + 64 11 com.apple.AppKit 0x00007fff4f4cba73 _DPSNextEvent + 2085 12 com.apple.AppKit 0x00007fff4fc61e34 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 3044 13 com.apple.AppKit 0x00007fff4f4c0885 -[NSApplication run] + 764 14 com.apple.AppKit 0x00007fff4f48fa72 NSApplicationMain + 804 15 libxpc.dylib 0x00007fff7a639f57 _xpc_objc_main + 580 16 libxpc.dylib 0x00007fff7a638baa xpc_main + 417 17 com.apple.WebKit.WebContent 0x00000001051516b5 main + 485 18 libdyld.dylib 0x00007fff7a2df015 start + 1
Truitt Savell
Comment 2 2018-07-10 11:15:20 PDT
Test began crashing around on July 4th, closest revision that edited a webrtc file was r233506 <https://trac.webkit.org/changeset/233506/webkit>. I have been unable to reproduce the crash locally though.
Dawei Fenton (:realdawei)
Comment 3 2018-07-11 10:15:18 PDT
Created attachment 344767 [details] Crash Log
Radar WebKit Bug Importer
Comment 4 2018-07-13 10:23:42 PDT
<rdar://problem/42171015>
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