275913 2024-06-26 12:01:57 -0700 REGRESSION (280352@main): [ macOS wk2 Debug ] imported/w3c/web-platform-tests/media-source/dedicated-worker/mediasource-worker-detach-element.html is a flaky crash 2025-11-18 04:41:21 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 aviduya jean-yves.avenard webkit-bot-watchers-bugzilla webkit-bug-importer youennf oldest_to_newest 2043234 0 aviduya 2024-06-26 12:01:57 -0700 imported/w3c/web-platform-tests/media-source/dedicated-worker/mediasource-worker-detach-element.html DESCRIPTION: This test has been a flaky crash since 280300@main landed. REPRODUCIBILITY: This cab be reproduced in ToT by using command: run-webkit-test --root --exit-after-n-failures 1 --debug imported/w3c/web-platform-tests/media-source/dedicated-worker/mediasource-worker-detach-element.html HISTORY: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fmedia-source%2Fdedicated-worker%2Fmediasource-worker-detach-element.html&platform=mac&platform=ios&style=release&style=debug RESULTS: https://build.webkit.org/results/Apple-Sonoma-Debug-AppleSilicon-WK2-Tests/280369@main%20(3195)/imported/w3c/web-platform-tests/media-source/dedicated-worker/mediasource-worker-detach-element-crash-log.txt 2043235 1 webkit-bug-importer 2024-06-26 12:02:08 -0700 <rdar://problem/130611515> 2043238 2 aviduya 2024-06-26 12:22:43 -0700 Pull request: https://github.com/WebKit/WebKit/pull/30200 2043239 3 ews-feeder 2024-06-26 12:26:56 -0700 Test gardening commit 280385@main (925ee45c966c): <https://commits.webkit.org/280385@main> Reviewed commits have been landed. Closing PR #30200 and removing active labels. 2043240 4 aviduya 2024-06-26 12:45:14 -0700 UPDATE: Based on the crash log, specifically 7 0x1423c7698 WebKit::RemoteMediaPlayerManager::didReceivePlayerMessage(IPC::Connection&, IPC::Decoder&) It seems that changes made in 280298@main could be what's causing this regression. 2043241 5 aviduya 2024-06-26 12:56:47 -0700 I have opted to set test expectations as [ Pass Crash ] with the above commit. 2043242 6 aviduya 2024-06-26 12:58:11 -0700 I have opted to set test expectations as [ Pass Crash ] with the above commit. 2043247 7 youennf 2024-06-26 13:21:55 -0700 *** This bug has been marked as a duplicate of bug 275896 *** 2159495 8 jean-yves.avenard 2025-11-17 21:41:35 -0800 Re-opening for pull request https://github.com/WebKit/WebKit/pull/54093 2159560 9 ews-feeder 2025-11-18 04:41:19 -0800 Committed 303178@main (d0b30245c72f): <https://commits.webkit.org/303178@main> Reviewed commits have been landed. Closing PR #54093 and removing active labels.