2010490 - Intermittent /css/css-overflow/scroll-marker-in-display-none-column-crash.html | single tracking bug

Status: NEW

(Core :: Layout: Scrolling and Overflow, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: smolnar [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=543683047&repo=autoland&task=RIDQiuBbQ7mKuHV3CdG9dQ.0
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/RIDQiuBbQ7mKuHV3CdG9dQ/runs/0/artifacts/public/logs/live_backing.log

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 INFO - TEST-START | /css/css-overflow/scroll-marker-in-display-none-column-crash.html
[task 2026-01-15T05:25:19.486+00:00] 05:25:19     INFO - {'actions': [{'type': 'none', 'actions': [{'type': 'pause', 'duration': 16}], 'id': '0'}, {'type': 'pointer', 'actions': [{'type': 'pointerMove', 'x': 30, 'y': 10, 'origin': 'viewport'}], 'parameters': {'pointerType': 'mouse'}, 'id': '1'}]}
[task 2026-01-15T05:25:19.496+00:00] 05:25:19     INFO - PID 29420 | JavaScript error: , line 0: uncaught exception: error: Action action_sequence failed: Expected input source [object String] "1" to be type key, got pointer
[task 2026-01-15T05:25:19.499+00:00] 05:25:19     INFO - PID 29420 | stacktrace:
[task 2026-01-15T05:25:19.500+00:00] 05:25:19     INFO - PID 29420 | 	RemoteError@chrome://remote/content/shared/RemoteError.sys.mjs:8:8
[task 2026-01-15T05:25:19.500+00:00] 05:25:19     INFO - PID 29420 | 	WebDriverError@chrome://remote/content/shared/webdriver/Errors.sys.mjs:202:5
[task 2026-01-15T05:25:19.501+00:00] 05:25:19     INFO - PID 29420 | 	InvalidArgumentError@chrome://remote/content/shared/webdriver/Errors.sys.mjs:404:5
[task 2026-01-15T05:25:19.501+00:00] 05:25:19     INFO - PID 29420 | 	fromJSON@chrome://remote/content/shared/webdriver/Actions.sys.mjs:372:13
[task 2026-01-15T05:25:19.502+00:00] 05:25:19     INFO - PID 29420 | 	fromJSON@chrome://remote/content/shared/webdriver/Actions.sys.mjs:2871:17
[task 2026-01-15T05:25:19.502+00:00] 05:25:19     INFO - PID 29420 | 	fromJSON@chrome://remote/content/shared/webdriver/Actions.sys.mjs:2714:49
[task 2026-01-15T05:25:19.828+00:00] 05:25:19     INFO - PID 29420 | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /tmp/tmpbs9l8h0m/runtests_leaks_3820_tab_pid30090.log
[task 2026-01-15T05:25:54.533+00:00] 05:25:54     INFO - TEST-UNEXPECTED-TIMEOUT | /css/css-overflow/scroll-marker-in-display-none-column-crash.html | expected PASS
[task 2026-01-15T05:25:54.533+00:00] 05:25:54     INFO - TEST-INFO took 35221ms
[task 2026-01-15T05:25:54.535+00:00] 05:25:54     INFO - PID 29420 | 1768454754535	Marionette	INFO	Stopped listening on port 44399
[task 2026-01-15T05:25:55.081+00:00] 05:25:55     INFO - PID 29420 | [Parent 29420, Main Thread] WARNING: Vsync status did not change.: file /builds/worker/checkouts/gecko/gfx/thebes/VsyncSource.cpp:128
[task 2026-01-15T05:25:55.118+00:00] 05:25:55     INFO - PID 29420 | [Parent 29420, Socket Thread] WARNING: cannot post event if not initialized: file /builds/worker/checkouts/gecko/netwerk/protocol/http/nsHttpConnectionMgr.cpp:233
[task 2026-01-15T05:25:55.170+00:00] 05:25:55     INFO - Browser exited with return code -15
[task 2026-01-15T05:25:55.171+00:00] 05:25:55  WARNING - Firefox didn't exit cleanly, not processing leak logs
[task 2026-01-15T05:25:55.172+00:00] 05:25:55     INFO - Closing logging queue
[task 2026-01-15T05:25:55.172+00:00] 05:25:55     INFO - queue closed