Bug 313282

Summary: REGRESSION:(311911@main) [macOS]fonts/font-cache-memory-pressure-crash.html is a constant text failure.
Product: WebKit Reporter: Diego De La Toba <d_delatoba>
Component: New BugsAssignee: Chris Dumez <cdumez>
Status: RESOLVED FIXED    
Severity: Normal CC: cdumez, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Diego De La Toba
Reported 2026-04-24 17:52:14 PDT
fonts/font-cache-memory-pressure-crash.html is a flaky text failure on Tahoe and a constant failure on Sequoia bots. Locally this is a constant failure on macOS Tahoe HISTORY: https://results.webkit.org/?suite=layout-tests&test=fonts%2Ffont-cache-memory-pressure-crash.html DIFF: --- /Volumes/Data/worker/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/build/layout-test-results/fonts/font-cache-memory-pressure-crash-expected.txt +++ /Volumes/Data/worker/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/build/layout-test-results/fonts/font-cache-memory-pressure-crash-actual.txt @@ -1,2 +1,4 @@ Test passes if it doesn't crash. + + undefined DIFF URL: https://build.webkit.org/results/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/311979@main%20(3473)/fonts/font-cache-memory-pressure-crash-pretty-diff.html REPRODUCTION: I was able to reproduce the failure on macOS 26.4 with the following: run-webkit-tests --no-retry --no-show-results --exit-after-n-failures=1 --expect-pass --iterations=95 --force --release fonts/font-cache-memory-pressure-crash.html Marking expectations as pass fail while this pends investigation.
Attachments
Radar WebKit Bug Importer
Comment 1 2026-04-24 17:52:20 PDT
Radar WebKit Bug Importer
Comment 2 2026-04-24 17:53:41 PDT
Diego De La Toba
Comment 3 2026-04-27 09:52:06 PDT
Test gardening pull request: https://github.com/WebKit/WebKit/pull/63713
EWS
Comment 4 2026-04-27 09:54:10 PDT
Test gardening commit 312105@main (3e6353ab1512): <https://commits.webkit.org/312105@main> Reviewed commits have been landed. Closing PR #63713 and removing active labels.
Chris Dumez
Comment 5 2026-04-27 16:57:48 PDT
Just needs a rebase line.
Chris Dumez
Comment 6 2026-04-27 17:05:39 PDT
EWS
Comment 7 2026-04-28 02:52:01 PDT
Committed 312192@main (404e1882170a): <https://commits.webkit.org/312192@main> Reviewed commits have been landed. Closing PR #63755 and removing active labels.
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