Bug 307889

Summary: [macOS iOS] http/tests/multipart/multipart-async-image.html is a flaky text failure
Product: WebKit Reporter: Diego De La Toba <d_delatoba>
Component: New BugsAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Diego De La Toba
Reported 2026-02-13 21:23:56 PST
js/dom/promise-stack-overflow.html is a flaky text failure on macOS release HISTORY: https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Fmultipart%2Fmultipart-async-image.html TEXT DIFF: --- /Volumes/Data/worker/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/build/layout-test-results/http/tests/multipart/multipart-async-image-expected.txt +++ /Volumes/Data/worker/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/build/layout-test-results/http/tests/multipart/multipart-async-image-actual.txt @@ -3,7 +3,7 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". -PASS The second frame of the multipart image was drawn without async image decoding. +FAIL Async image decoding was mistakenly requested. PASS successfullyParsed is true TEST COMPLETE DIFF URL: https://build.webkit.org/results/Apple-Tahoe-Release-AppleSilicon-WK2-Tests/307540@main%20(1677)/http/tests/multipart/multipart-async-image-pretty-diff.html REPRODUCTION: I was able to reproduce this failure on macOS Tahoe ToT arm64 and iOS with the following: run-webkit-tests --force --release --no-retry --iterations 1000http/tests/multipart/multipart-async-image.html run-webkit-tests --ios-simulator --child-processes=1 --force --no-retry --release -f --iterations 1000 http/tests/multipart/multipart-async-image.html I am going to mark expectations as pass fail while this pends investigation.
Attachments
Radar WebKit Bug Importer
Comment 1 2026-02-13 21:24:03 PST
Diego De La Toba
Comment 2 2026-02-13 21:51:35 PST
EWS
Comment 3 2026-02-13 21:53:31 PST
Test gardening commit 307555@main (88d0153b24e5): <https://commits.webkit.org/307555@main> Reviewed commits have been landed. Closing PR #58705 and removing active labels.
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