WebKit export of https://bugs.webkit.org/show_bug.cgi?id=319406 - #62140

[taskcluster 2026-08-22 04:19:57.693Z] Task ID: M1dvCywbSL2bF0t_uyoCcw
[taskcluster 2026-08-22 04:19:57.693Z] Worker ID: 8116610129348308404
[taskcluster 2026-08-22 04:19:57.693Z] Worker Group: us-east1-c
[taskcluster 2026-08-22 04:19:57.693Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2026-08-22 04:19:57.693Z] Worker Pool: proj-wpt/ci
[taskcluster 2026-08-22 04:19:57.693Z] Worker Version: 46.1.0
[taskcluster 2026-08-22 04:19:57.693Z] Public IP: 34.75.41.239
[taskcluster 2026-08-22 04:19:57.693Z] Hostname: proj-wpt-ci-ahzx7zzxqhcp1jwlgwqhxg

[taskcluster 2026-08-22 04:19:58.726Z] === Task Starting ===
+ '[' '' ']'
+ '[' -d /etc/profile.d ']'
+ for i in /etc/profile.d/*.sh
+ '[' -r /etc/profile.d/01-locale-fix.sh ']'
+ . /etc/profile.d/01-locale-fix.sh
+++ /usr/bin/locale-check C.UTF-8
++ eval
+ for i in /etc/profile.d/*.sh
+ '[' -r /etc/profile.d/apps-bin-path.sh ']'
+ . /etc/profile.d/apps-bin-path.sh

...(385 lines hidden)...

Setting default value
Failed to read: session.screen0.maxDisableResize
Setting default value
Failed to read: session.screen0.workspacewarping
Setting default value
Failed to read: session.screen0.showwindowposition
Setting default value
Failed to read: session.screen0.autoRaise
Setting default value
Failed to read: session.screen0.clickRaises
Setting default value
Failed to read: session.screen0.defaultDeco
Setting default value
Failed to read: session.screen0.tab.placement
Setting default value
Failed to read: session.screen0.windowMenu
Setting default value
Failed to read: session.screen0.noFocusWhileTypingDelay
Setting default value
Failed to read: session.screen0.workspaces
Setting default value
Failed to read: session.screen0.edgeSnapThreshold
Setting default value
Failed to read: session.screen0.window.focus.alpha
Setting default value
Failed to read: session.screen0.window.unfocus.alpha
Setting default value
Failed to read: session.screen0.menu.alpha
Setting default value
Failed to read: session.screen0.menuDelay
Setting default value
Failed to read: session.screen0.tab.width
Setting default value
Failed to read: session.screen0.tooltipDelay
Setting default value
Failed to read: session.screen0.allowRemoteActions
Setting default value
Failed to read: session.screen0.clientMenu.usePixmap
Setting default value
Failed to read: session.screen0.tabs.usePixmap
Setting default value
Failed to read: session.screen0.tabs.maxOver
Setting default value
Failed to read: session.screen0.tabs.intitlebar
Setting default value
Failed to read: session.screen0.focusModel
Setting default value
Failed to read: session.screen0.tabFocusModel
Setting default value
Failed to read: session.screen0.focusNewWindows
Setting default value
Failed to read: session.screen0.focusSameHead
Setting default value
Failed to read: session.screen0.rowPlacementDirection
Setting default value
Failed to read: session.screen0.colPlacementDirection
Setting default value
Failed to read: session.screen0.windowPlacement
Setting default value
Failed to read: session.screen0.slit.acceptKdeDockapps
Setting default value
Failed to read: session.screen0.slit.autoHide
Setting default value
Failed to read: session.screen0.slit.maxOver
Setting default value
Failed to read: session.screen0.slit.placement
Setting default value
Failed to read: session.screen0.slit.alpha
Setting default value
Failed to read: session.screen0.slit.onhead
Setting default value
Failed to read: session.screen0.slit.layer
Setting default value
Failed to read: session.screen0.toolbar.autoHide
Setting default value
Failed to read: session.screen0.toolbar.maxOver
Setting default value
Failed to read: session.screen0.toolbar.visible
Setting default value
Failed to read: session.screen0.toolbar.alpha
Setting default value
Failed to read: session.screen0.toolbar.layer
Setting default value
Failed to read: session.screen0.toolbar.onhead
Setting default value
Failed to read: session.screen0.toolbar.placement
Setting default value
Failed to read: session.screen0.toolbar.height
Setting default value
Failed to read: session.screen0.iconbar.mode
Setting default value
Failed to read: session.screen0.iconbar.alignment
Setting default value
Failed to read: session.screen0.iconbar.iconWidth
Setting default value
Failed to read: session.screen0.iconbar.iconTextPadding
Setting default value
Failed to read: session.screen0.iconbar.usePixmap
Setting default value
Warning: could not load product 'firefox' for argument registration: No module named 'mozleak'
Warning: could not load product 'firefox_android' for argument registration: No module named 'mozrunner'
 0:00.00 INFO Set tests_root to /home/test/web-platform-tests
 0:00.00 INFO Set metadata_root to /home/test/web-platform-tests
 0:00.00 INFO Set manifest_update to True
 0:00.00 INFO Set manifest_download to True
mem avail: 14633 of 15806 MiB (92.58%), swap free:    0 of    0 MiB ( 0.00%)
 0:43.62 INFO Identified 1 affected tests
 0:43.62 INFO Installing browser
 0:43.66 INFO Downloading Chrome for Testing from https://storage.googleapis.com/chrome-for-testing-public/154.0.8013.2/linux64/chrome-linux64.zip
 0:47.79 INFO Downloading Mojo bindings from https://storage.googleapis.com/chrome-for-testing-public/154.0.8013.2/mojojs.zip
 0:47.87 INFO MojoJS enabled automatically (mojojs_path: /home/test/web-platform-tests/_venv3/mojojs/gen)
 0:47.90 INFO Download info for matching ChromeDriver version found.
 0:47.90 INFO Downloading ChromeDriver from https://storage.googleapis.com/chrome-for-testing-public/154.0.8013.2/linux64/chromedriver-linux64.zip
 0:48.23 INFO Automatically turning on experimental features
 0:59.96 INFO Installed font: Ahem.ttf
 1:01.26 wptserve INFO Starting http server on http://127.0.0.1:8000
 1:01.30 wptserve INFO Starting https server on https://127.0.0.1:8445
 1:01.31 wptserve INFO Starting http server on http://127.0.0.1:8002
 1:01.31 wptserve INFO Starting http server on http://127.0.0.1:8001
 1:01.32 wptserve INFO Starting http server on http://127.0.0.1:8003
 1:01.33 wptserve INFO Starting https server on https://127.0.0.1:8446
 1:01.34 wptserve INFO Starting https server on https://127.0.0.1:8443
 1:01.34 wptserve INFO Starting https server on https://127.0.0.1:8444
 1:01.35 wptserve INFO Starting http2 server on https://127.0.0.1:9000
 1:01.35 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:01.35 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:01.35 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:01.35 wptserve INFO Create socket on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:01.36 wptserve INFO Bind on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:01.36 wptserve INFO Listen on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:01.48 wptserve INFO Starting WebTransport over HTTP/3 server on 127.0.0.1:11000
 1:02.40 SUITE_START: web-platform-test - running 1 tests
 1:10.24 INFO Using 1 child processes
 1:10.25 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=49455 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 1:10.27 INFO Got WebDriver port 40843
 1:10.36 pid:2847 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=49455 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:2847 Starting ChromeDriver 154.0.8013.2 (cd97647436f2c251cc6cd74d9302d9ce79a7957f-refs/branch-heads/8013@{#6}) on port 0
 1:10.36 pid:2847 Only local connections are allowed.
 1:10.36 pid:2847 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 1:10.36 pid:2847 ChromeDriver was started successfully on port 40843.
 1:10.36 INFO Webdriver started successfully.
 1:10.36 INFO Starting runner
 1:11.82 pid:2847 [2895:2895:0822/042244.268657:WARNING:media/gpu/vaapi/vaapi_wrapper.cc:1660] drmGetDevices2() has not found any devices
 1:11.83 pid:2847 [2895:2895:0822/042244.273964:WARNING:sandbox/policy/linux/sandbox_linux.cc:405] InitializeSandbox() called with multiple threads in process gpu-process.
 1:11.83 pid:2847 [2895:2895:0822/042244.280254:WARNING:ui/gfx/linux/gbm_support_x11.cc:48] dri3 extension not supported.
 1:12.02 pid:2847 [1787372564.466][WARNING]: You are using an unsupported command-line switch: --disable-build-check. Please don't report bugs that cannot be reproduced with this switch removed.
 1:12.13 pid:2847 [2962:2962:0822/042244.580138:WARNING:content/child/runtime_features.cc:523] AttributionReporting cannot be enabled in this configuration. Use --enable-features=ConversionMeasurement in addition.
 1:12.14 pid:2847 Error: unrecognized flag --js-float16array
 1:12.14 pid:2847 Try --help for options
 1:12.20 pid:2847 [2864:2864:0822/042244.650056:WARNING:ui/aura/window.cc:1465] StackChildLayerRelativeTo called with unmanaged layer(s). child=WebContentsViewAura child_managed=0 target=WebContentsViewAura target_managed=0
 1:12.20 pid:2847 [2864:2864:0822/042244.650172:WARNING:ui/aura/window.cc:1465] StackChildLayerRelativeTo called with unmanaged layer(s). child=WebContentsViewAura child_managed=0 target=WebContentsViewAura target_managed=0
 1:12.21 pid:2847 [2974:2974:0822/042244.654949:WARNING:content/child/runtime_features.cc:523] AttributionReporting cannot be enabled in this configuration. Use --enable-features=ConversionMeasurement in addition.
 1:12.22 pid:2847 Error: unrecognized flag --js-float16array
 1:12.22 pid:2847 Try --help for options
 1:12.23 pid:2847 [2864:2864:0822/042244.673674:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.DBus.Properties.GetAll: object_path= /org/freedesktop/UPower/devices/DisplayDevice: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.UPower was not provided by any .service files
 1:12.23 pid:2847 [2864:2864:0822/042244.673695:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
Failed to read: session.screen0.titlebar.left
Setting default value
Failed to read: session.screen0.titlebar.right
Setting default value
 1:12.29 pid:2847 [2864:2864:0822/042244.739080:WARNING:ui/base/idle/idle_linux.cc:111] None of the known D-Bus ScreenSaver services could be used.
 1:12.33 pid:2847 [2986:2986:0822/042244.772714:WARNING:content/child/runtime_features.cc:523] AttributionReporting cannot be enabled in this configuration. Use --enable-features=ConversionMeasurement in addition.
 1:12.34 pid:2847 Error: unrecognized flag --js-float16array
 1:12.34 pid:2847 Try --help for options
 1:12.35 pid:2847 [2864:2864:0822/042244.792045:ERROR:dbus/object_proxy.cc:572] Failed to call method: org.freedesktop.NetworkManager.GetDevices: object_path= /org/freedesktop/NetworkManager: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.NetworkManager was not provided by any .service files
 1:12.35 pid:2847 [2864:2864:0822/042244.792076:WARNING:services/device/geolocation/wifi_data_provider_linux.cc:171] Failed to get the device list
 1:12.48 pid:2847 [3002:3002:0822/042244.921762:WARNING:content/child/runtime_features.cc:523] AttributionReporting cannot be enabled in this configuration. Use --enable-features=ConversionMeasurement in addition.
 1:12.48 pid:2847 Error: unrecognized flag --js-float16array
 1:12.49 pid:2847 Try --help for options
 1:12.56 TEST_START: /css/css-grid/grid-overflowing-item-content-is-painted.html
 1:13.57 TEST_END: PASS
 1:13.57 INFO No more tests
 1:13.62 INFO Closing logging queue
 1:13.62 INFO queue closed
 1:13.72 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 1 checks (1 tests)
Expected results: 1
Unexpected results: 0
OK
 1:13.72 INFO Got 0 unexpected results, with 0 unexpected passes
 1:13.72 wptserve INFO Stopped http server on 127.0.0.1:8000
 1:13.73 wptserve INFO Stopped http server on 127.0.0.1:8001
 1:13.73 wptserve INFO Stopped http server on 127.0.0.1:8003
 1:13.73 wptserve INFO Stopped http server on 127.0.0.1:8002
 1:13.73 wptserve INFO Stopped http server on 127.0.0.1:8445
 1:13.73 wptserve INFO Stopped http server on 127.0.0.1:8446
 1:13.73 wptserve INFO Stopped http server on 127.0.0.1:8443
 1:13.74 wptserve INFO Stopped http server on 127.0.0.1:8444
 1:13.75 wptserve INFO Stopped http server on 127.0.0.1:9000
 1:13.75 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 1:13.91 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:13.91 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:13.98 INFO Removed font: Ahem.ttf
 1:14.02 INFO Closing logging queue
 1:14.02 INFO queue closed
[taskcluster 2026-08-22 04:22:52.296Z] === Task Finished ===
[taskcluster 2026-08-22 04:22:53.305Z] Successful task run with exit code: 0 completed in 175.613 seconds