191707 2018-11-15 13:22:12 -0800 [ iOS WK2 ] Layout Test imported/w3c/web-platform-tests/webrtc/simplecall.https.html is flaky crashing 2019-03-20 17:20:11 -0700 1 1 1 Unclassified WebKit Tools / Tests WebKit Nightly Build Unspecified Unspecified NEW https://bugs.webkit.org/show_bug.cgi?id=195433 InRadar P2 Normal --- 1 tsavell webkit-unassigned eric.carlson lforschler ryanhaddad sroberts webkit-bot-watchers-bugzilla webkit-bug-importer youennf oldest_to_newest 1479072 0 tsavell 2018-11-15 13:22:12 -0800 The following layout test is flaky on iOS WK2 imported/w3c/web-platform-tests/webrtc/simplecall.https.html Probable cause: This test has started crashing recently. We need to find the regression point. Flakiness Dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fw3c%2Fweb-platform-tests%2Fwebrtc%2Fsimplecall.https.html Log: https://build.webkit.org/results/Apple%20iOS%2012%20Simulator%20Release%20WK2%20(Tests)/r238223%20(976)/imported/w3c/web-platform-tests/webrtc/simplecall.https-crash-log.txt Excerpt: Application Specific Information: CRASHING TEST: imported/mozilla/svg/smil/style/anim-css-fontsize-1-from-to-px-px-expected.svg CoreSimulator 572.2 - Device: Managed 3 - Runtime: iOS 12.0 (16A366) - DeviceType: iPhone SE Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.CoreFoundation 0x000000010373b140 CFBasicHashRemoveValue + 800 1 com.apple.CoreFoundation 0x00000001036044f8 CFDictionaryRemoveValue + 152 2 com.apple.VideoToolbox 0x00000001104b9fe7 VTPixelTransferSessionTransferImage + 5581 3 com.apple.VideoToolbox 0x0000000110522814 VTPixelBufferConformerCopyConformedPixelBuffer + 2068 4 com.apple.WebCore 0x000000010bf5b46f WebCore::PixelBufferConformerCV::convert(__CVBuffer*) + 111 (PixelBufferConformerCV.cpp:152) 5 com.apple.WebCore 0x000000010acfcd09 WebCore::RealtimeOutgoingVideoSourceCocoa::convertToYUV(__CVBuffer*) + 233 (RealtimeOutgoingVideoSourceCocoa.mm:49) 6 com.apple.WebCore 0x000000010bfc5d10 WebCore::RealtimeOutgoingVideoSourceCocoa::sampleBufferUpdated(WebCore::MediaStreamTrackPrivate&, WebCore::MediaSample&) + 368 (RetainPtr.h:248) 7 com.apple.WebCore 0x000000010bfa4dc7 WebCore::MediaStreamTrackPrivate::forEachObserver(WTF::Function<void 1479073 1 webkit-bug-importer 2018-11-15 13:22:42 -0800 <rdar://problem/46105847> 1479524 2 ryanhaddad 2018-11-16 11:30:57 -0800 This test was recently updated as part of https://trac.webkit.org/changeset/237773/webkit 1496961 3 ap 2019-01-22 14:05:44 -0800 *** Bug 193674 has been marked as a duplicate of this bug. *** 1515298 4 ryanhaddad 2019-03-11 22:44:53 -0700 This test is crashing more frequently on iOS sim EWS bots after I skipped imported/w3c/web-platform-tests/webrtc/simplecall-no-ssrcs.https.html for https://bugs.webkit.org/show_bug.cgi?id=195433 1515464 5 sroberts 2019-03-12 09:40:10 -0700 *** Bug 195433 has been marked as a duplicate of this bug. *** 1519340 6 ryanhaddad 2019-03-20 17:20:11 -0700 Skipped it and updated bug number in https://trac.webkit.org/changeset/243261/webkit