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Add some testing for ancestor bit behavior #56147

Add cookie test for sandboxed top level
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Community-TC Integration / wpt-chrome-dev-stability failed Nov 21, 2025 in 19m 52s

Community-TC (pull_request)

Verify that all tests affected by a pull request are stable when executed in chrome.

Details

View task in Taskcluster | View logs in Taskcluster | View task group in Taskcluster

Task Status

Started: 2025-11-21T19:54:59.624Z
Resolved: 2025-11-21T20:02:18.707Z
Task Execution Time: 7 minutes, 19 seconds, 83 milliseconds
Task Status: failed
Reason Resolved: failed
RunId: 0

Artifacts

- public/logs/live_backing.log
- public/logs/live.log
- public/results/checkrun.md

WPT Command: python3 ./wpt run --channel=dev --verify --verify-no-chaos-mode --verify-repeat-loop=0 --verify-repeat-restart=10 --github-checks-text-file=/home/test/artifacts/checkrun.md --affected base_head --log-mach-level=info --log-mach=- -y --no-pause --no-restart-on-unexpected --install-fonts --verify-log-full --no-headless --enable-swiftshader --install-browser --install-webdriver chrome

Some affected tests had inconsistent (flaky) results:

Unstable results

Test Subtest Results Messages
/html/partitioning/ancestor-chain-partitioning.sub.https.html OK: 7/10, TIMEOUT: 3/10
/html/partitioning/ancestor-chain-partitioning.sub.https.html Expected unpartitioned data in same-origin subframe redirected by service worker PASS: 7/10, TIMEOUT: 3/10 Test timed out

These may be pre-existing or new flakes. Please try to reproduce (see the above WPT command, though some flags may not be needed when running locally) and determine if your change introduced the flake. If you are unable to reproduce the problem, please tag @web-platform-tests/wpt-core-team in a comment for help.

[taskcluster 2025-11-21 19:54:59.708Z] Task ID: bAWNbtxXT4i65IZWt9zNpQ
[taskcluster 2025-11-21 19:54:59.708Z] Worker ID: 8765494153557386839
[taskcluster 2025-11-21 19:54:59.708Z] Worker Group: us-east1-b
[taskcluster 2025-11-21 19:54:59.708Z] Worker Node Type: projects/757942385826/machineTypes/n2-standard-4
[taskcluster 2025-11-21 19:54:59.708Z] Worker Pool: proj-wpt/ci
[taskcluster 2025-11-21 19:54:59.708Z] Worker Version: 46.1.0
[taskcluster 2025-11-21 19:54:59.708Z] Public IP: 34.75.48.248
[taskcluster 2025-11-21 19:54:59.708Z] Hostname: proj-wpt-ci-rq66an9qrm68sj1lrr0cuw

[taskcluster 2025-11-21 19:55:00.600Z] === 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

...(786 lines hidden)...

 1:01.26 TEST_END: Test OK. Subtests passed 4/4. Unexpected 0
TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed outTIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.htmlTIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed outTIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
 1:01.26 INFO No more tests
 1:01.31 INFO Closing logging queue
 1:01.31 INFO queue closed
 1:01.39 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 35 checks (28 subtests, 7 tests)
Expected results: 31
Unexpected results: 4
  test: 2 (2 timeout)
  subtest: 2 (2 timeout)

Unexpected Results
------------------
/html/partitioning/ancestor-chain-partitioning.sub.https.html
  TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed out
  TIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
  TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed out
  TIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
 1:01.39 INFO Got 2 unexpected results, with 0 unexpected passes
 1:01.39 INFO Repetition 8 / 10
 1:01.39 SUITE_START: web-platform-test - running 1 tests
 1:01.39 INFO Using 1 child processes
 1:01.39 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=45409 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 1:01.41 INFO Got WebDriver port 39437
 1:01.51 pid:3565 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=45409 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:3565 Starting ChromeDriver 144.0.7534.0 (47d0033e811304587b3385b32d9e4a714815cbed-refs/branch-heads/7534@{#1}) on port 0
 1:01.51 pid:3565 Only local connections are allowed.
 1:01.51 pid:3565 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 1:01.51 pid:3565 ChromeDriver was started successfully on port 39437.
 1:01.51 INFO Webdriver started successfully.
 1:01.51 INFO Starting runner
 1:02.11 pid:3565 [1763755319.172][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.
 1:02.11 pid:3565 [3612:3612:1121/200159.172513:WARNING:ui/gfx/linux/gpu_memory_buffer_support_x11.cc:49] dri3 extension not supported.
 1:02.11 pid:3565 [3612:3612:1121/200159.175480:WARNING:sandbox/policy/linux/sandbox_linux.cc:404] InitializeSandbox() called with multiple threads in process gpu-process.
 1:02.25 pid:3565 [3582:3582:1121/200159.314484:ERROR:dbus/object_proxy.cc:573] 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
 1:02.25 pid:3565 [3582:3582:1121/200159.314503:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
 1:02.27 pid:3565 [3582:3582:1121/200159.337205:WARNING:ui/base/idle/idle_linux.cc:98] None of the known D-Bus ScreenSaver services could be used.
 1:02.37 TEST_START: /html/partitioning/ancestor-chain-partitioning.sub.https.html
 1:03.27 TEST_END: Test OK. Subtests passed 4/4. Unexpected 0
TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed outTIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.htmlTIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed outTIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
 1:03.27 INFO No more tests
 1:03.32 INFO Closing logging queue
 1:03.32 INFO queue closed
 1:03.39 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 40 checks (32 subtests, 8 tests)
Expected results: 36
Unexpected results: 4
  test: 2 (2 timeout)
  subtest: 2 (2 timeout)

Unexpected Results
------------------
/html/partitioning/ancestor-chain-partitioning.sub.https.html
  TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed out
  TIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
  TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed out
  TIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
 1:03.39 INFO Got 2 unexpected results, with 0 unexpected passes
 1:03.39 INFO Repetition 9 / 10
 1:03.39 SUITE_START: web-platform-test - running 1 tests
 1:03.39 INFO Using 1 child processes
 1:03.39 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=54315 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 1:03.41 INFO Got WebDriver port 36543
 1:03.51 pid:3754 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=54315 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:3754 Starting ChromeDriver 144.0.7534.0 (47d0033e811304587b3385b32d9e4a714815cbed-refs/branch-heads/7534@{#1}) on port 0
 1:03.51 pid:3754 Only local connections are allowed.
 1:03.51 pid:3754 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 1:03.51 pid:3754 ChromeDriver was started successfully on port 36543.
 1:03.51 INFO Webdriver started successfully.
 1:03.51 INFO Starting runner
 1:04.10 pid:3754 [3771:3785:1121/200201.166898:ERROR:net/disk_cache/simple/simple_file_enumerator.cc:21] opendir /tmp/org.chromium.Chromium.scoped_dir.oBVaMb/Default/Code Cache/js: No such file or directory (2)
 1:04.10 pid:3754 [3771:3785:1121/200201.166930:ERROR:net/disk_cache/simple/simple_index_file.cc:621] Could not reconstruct index from disk
 1:04.13 pid:3754 [3801:3801:1121/200201.190195:WARNING:ui/gfx/linux/gpu_memory_buffer_support_x11.cc:49] dri3 extension not supported.
 1:04.13 pid:3754 [3801:3801:1121/200201.192910:WARNING:sandbox/policy/linux/sandbox_linux.cc:404] InitializeSandbox() called with multiple threads in process gpu-process.
 1:04.14 pid:3754 [1763755321.203][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.
 1:04.26 pid:3754 [3771:3771:1121/200201.325935:ERROR:dbus/object_proxy.cc:573] 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
 1:04.26 pid:3754 [3771:3771:1121/200201.325948:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
 1:04.30 pid:3754 [3771:3771:1121/200201.362766:WARNING:ui/base/idle/idle_linux.cc:98] None of the known D-Bus ScreenSaver services could be used.
 1:04.40 TEST_START: /html/partitioning/ancestor-chain-partitioning.sub.https.html
 1:05.29 TEST_END: Test OK. Subtests passed 4/4. Unexpected 0
TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed outTIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.htmlTIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed outTIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
 1:05.29 INFO No more tests
 1:05.34 INFO Closing logging queue
 1:05.34 INFO queue closed
 1:05.42 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 45 checks (36 subtests, 9 tests)
Expected results: 41
Unexpected results: 4
  test: 2 (2 timeout)
  subtest: 2 (2 timeout)

Unexpected Results
------------------
/html/partitioning/ancestor-chain-partitioning.sub.https.html
  TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed out
  TIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
  TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed out
  TIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
 1:05.42 INFO Got 2 unexpected results, with 0 unexpected passes
 1:05.42 INFO Repetition 10 / 10
 1:05.42 SUITE_START: web-platform-test - running 1 tests
 1:05.42 INFO Using 1 child processes
 1:05.42 INFO Starting WebDriver: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=40407 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
 1:05.44 INFO Got WebDriver port 46239
 1:05.53 pid:3943 Full command: /home/test/web-platform-tests/_venv3/bin/chrome/chromedriver --port=40407 --ignore-explicit-port --url-base=/ --enable-chrome-logs --disable-build-check
pid:3943 Starting ChromeDriver 144.0.7534.0 (47d0033e811304587b3385b32d9e4a714815cbed-refs/branch-heads/7534@{#1}) on port 0
 1:05.53 pid:3943 Only local connections are allowed.
 1:05.53 pid:3943 Please see https://chromedriver.chromium.org/security-considerations for suggestions on keeping ChromeDriver safe.
 1:05.53 pid:3943 ChromeDriver was started successfully on port 46239.
 1:05.53 INFO Webdriver started successfully.
 1:05.53 INFO Starting runner
 1:06.10 pid:3943 [3960:3985:1121/200203.167940:ERROR:net/disk_cache/simple/simple_file_enumerator.cc:21] opendir /tmp/org.chromium.Chromium.scoped_dir.HwAjij/Default/Code Cache/js: No such file or directory (2)
 1:06.10 pid:3943 [3960:3985:1121/200203.167969:ERROR:net/disk_cache/simple/simple_index_file.cc:621] Could not reconstruct index from disk
 1:06.12 pid:3943 [1763755323.180][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.
 1:06.17 pid:3943 [3991:3991:1121/200203.236016:WARNING:ui/gfx/linux/gpu_memory_buffer_support_x11.cc:49] dri3 extension not supported.
 1:06.17 pid:3943 [3991:3991:1121/200203.239220:WARNING:sandbox/policy/linux/sandbox_linux.cc:404] InitializeSandbox() called with multiple threads in process gpu-process.
 1:06.27 pid:3943 [3960:3960:1121/200203.336729:ERROR:dbus/object_proxy.cc:573] 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
 1:06.27 pid:3943 [3960:3960:1121/200203.336747:WARNING:dbus/property.cc:174] GetAll request failed for: org.freedesktop.UPower.Device
 1:06.32 pid:3943 [3960:3960:1121/200203.380229:WARNING:ui/base/idle/idle_linux.cc:98] None of the known D-Bus ScreenSaver services could be used.
 1:06.41 TEST_START: /html/partitioning/ancestor-chain-partitioning.sub.https.html
 1:07.34 pid:3943 [3960:3960:1121/200204.403403:INFO:CONSOLE:0] "Access to fetch at 'https://www.not-web-platform.test:8443/html/partitioning/resources/post-storage.sub.html?key=aa-sw-redir&intercept' from origin 'https://web-platform.test:8443' has been blocked by CORS policy: The 'Access-Control-Allow-Origin' header contains multiple values '{{header_or_default(Origin, *)}}', but only one is allowed. Have the server send the header with a valid value.", source:  (0)
 1:07.34 pid:3943 [3960:3960:1121/200204.404499:INFO:CONSOLE:0] "The FetchEvent for "https://web-platform.test:8443/html/partitioning/resources/post-storage.sub.html?key=aa-sw-redir&intercept" resulted in a network error response: the promise was rejected.", source:  (0)
 1:07.34 pid:3943 [3960:3960:1121/200204.406523:INFO:CONSOLE:9] "Uncaught (in promise) TypeError: Failed to fetch", source: https://web-platform.test:8443/html/partitioning/resources/intercepting-worker.sub.js (9)
 1:10.01 pid:3943 [3960:3975:1121/200207.069964:ERROR:google_apis/gcm/engine/registration_request.cc:292] Registration response error message: DEPRECATED_ENDPOINT
 1:16.99 TEST_END: Test TIMEOUT, expected OK. Subtests passed 3/4. Unexpected 1
TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed outTIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.htmlTIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed outTIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.htmlTIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed outTIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
 1:16.99 INFO No more tests
 1:17.04 INFO Closing logging queue
 1:17.04 INFO queue closed
 1:17.13 SUITE_END

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 50 checks (40 subtests, 10 tests)
Expected results: 44
Unexpected results: 6
  test: 3 (3 timeout)
  subtest: 3 (3 timeout)

Unexpected Results
------------------
/html/partitioning/ancestor-chain-partitioning.sub.https.html
  TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed out
  TIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
  TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed out
  TIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
  TIMEOUT Expected unpartitioned data in same-origin subframe redirected by service worker - Test timed out
  TIMEOUT /html/partitioning/ancestor-chain-partitioning.sub.https.html
 1:17.13 INFO Got 3 unexpected results, with 0 unexpected passes
 1:17.13 wptserve INFO Stopped http server on 127.0.0.1:8000
 1:17.13 wptserve INFO Stopped http server on 127.0.0.1:8001
 1:17.15 wptserve INFO Stopped http server on 127.0.0.1:8443
 1:17.15 wptserve INFO Stopped http server on 127.0.0.1:8445
 1:17.15 wptserve INFO Stopped http server on 127.0.0.1:8003
 1:17.15 wptserve INFO Stopped http server on 127.0.0.1:8444
 1:17.15 wptserve INFO Stopped http server on 127.0.0.1:8002
 1:17.15 wptserve INFO Stopped http server on 127.0.0.1:8446
 1:17.15 wptserve INFO Stopped WebTransport over HTTP/3 server on 127.0.0.1:11000
 1:17.15 wptserve INFO Stopped http server on 127.0.0.1:9000
 1:17.27 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8888))
 1:17.27 wptserve INFO Close on: (<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 8889))
 1:17.39 INFO Removed font: Ahem.ttf
 1:17.42 INFO Closing logging queue
 1:17.42 INFO queue closed
 1:17.43 INFO ::: Ran 10 of expected 10 iterations.
 1:17.43 INFO ## All results ##

 1:17.43 INFO ### /html/partitioning/ancestor-chain-partitioning.sub.https.html ###
 1:17.43 INFO |                                      Subtest                                       |            Results            |     Messages     |
 1:17.43 INFO |------------------------------------------------------------------------------------|-------------------------------|------------------|
 1:17.43 INFO |                                                                                    | **OK: 7/10, TIMEOUT: 3/10**   |                  |
 1:17.43 INFO | `Expected partitioned data in sandboxA(B) iframe`                                  | PASS                          |                  |
 1:17.43 INFO | `Expected partitioned data in A(B(A)) nested frame`                                | PASS                          |                  |
 1:17.43 INFO | `Expected unpartitioned data in A(A(A)) nested frame`                              | PASS                          |                  |
 1:17.43 INFO | `Expected unpartitioned data in same-origin subframe redirected by service worker` | **PASS: 7/10, TIMEOUT: 3/10** | `Test timed out` |
 1:17.43 INFO 
 1:17.43 INFO ## Unstable results ##

 1:17.43 INFO |                               Test                              |                                      Subtest                                       |            Results            |     Messages     |
 1:17.43 INFO |-----------------------------------------------------------------|------------------------------------------------------------------------------------|-------------------------------|------------------|
 1:17.43 INFO | `/html/partitioning/ancestor-chain-partitioning.sub.https.html` |                                                                                    | **OK: 7/10, TIMEOUT: 3/10**   |                  |
 1:17.43 INFO | `/html/partitioning/ancestor-chain-partitioning.sub.https.html` | `Expected unpartitioned data in same-origin subframe redirected by service worker` | **PASS: 7/10, TIMEOUT: 3/10** | `Test timed out` |
 1:17.43 INFO 
 1:17.43 INFO ::: Running tests in a loop with restarts 10 times : FAIL
 1:17.43 INFO :::
 1:17.43 ERROR ::: Test verification FAIL
 1:17.43 INFO :::
[taskcluster 2025-11-21 20:02:16.536Z] === Task Finished ===
[taskcluster 2025-11-21 20:02:16.992Z] Unsuccessful task run with exit code: 1 completed in 437.285 seconds
View more details on Community-TC Integration