290811 2025-03-31 16:54:37 -0700 REGRESSION(280414@main?): [ iOS Debug ] imported/w3c/web-platform-tests/fetch/api/crashtests/huge-fetch.any.worker.html is a flaky crash. 2025-04-01 12:42:02 -0700 1 1 1 Unclassified WebKit WebCore Misc. WebKit Nightly Build Unspecified Unspecified NEW InRadar P2 Normal --- 1 y_karimi webkit-unassigned jbedard webkit-bot-watchers-bugzilla webkit-bug-importer youennf oldest_to_newest 2107636 0 474781 y_karimi 2025-03-31 16:54:37 -0700 Created attachment 474781 huge-fetch.any.worker-crash-log imported/w3c/web-platform-tests/fetch/api/crashtests/huge-fetch.any.worker.html This test is a flaky crash on iOS Debug. HISTORY: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Ffetch%2Fapi%2Fcrashtests%2Fhuge-fetch.any.worker.html STDERR: Attached REPRODUCIBILITY: I was able to reproduce this issue on the iOS 18.2 simulator at ToT using the following commands: python3 Tools/CISupport/download-built-product --platform=ios --debug 'https://s3-us-west-2.amazonaws.com/archives.webkit.org/ios-simulator-18-x86_64 arm64-debug/292821@main.zip' python3 Tools/CISupport/built-product-archive --platform=ios-simulator-18 --debug extract run-webkit-tests --no-build --ios-simulator imported/w3c/web-platform-tests/fetch/api/crashtests/huge-fetch.any.worker.html --iterations 5 --debug REGRESSION: According to the results dashboard and contextual information, the probable regression point is 280414@main. The code paths changed in that commit appear to be related to the observed regression test failure. This shows the regression area more clearly: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Ffetch%2Fapi%2Fcrashtests%2Fhuge-fetch.any.worker.html&recent=false&version_name=iOS%2018&version_name=iOS%2017 2107637 1 webkit-bug-importer 2025-03-31 16:54:46 -0700 <rdar://problem/148286996> 2107642 2 ews-feeder 2025-03-31 17:03:41 -0700 Test gardening commit 292978@main (9df30788d01d): <https://commits.webkit.org/292978@main> Reviewed commits have been landed. Closing PR #43361 and removing active labels. 2107870 3 ap 2025-04-01 12:42:02 -0700 SharedBuffer::tryCreateArrayBuffer Unable to create buffer. Requested size is too large (8589477088) ASSERTION FAILED: JS assertion failed at line 1 in: function (controller) { "use strict"; @assert(@readableStreamDefaultControllerCanCloseOrEnqueue(controller)); @putByIdDirectPrivate(controller, "closeRequested", true); if (@getByIdDirectPrivate(controller, "queue").content.length === 0) @readableStreamClose(@getByIdDirectPrivate(controller, "controlledReadableStream")); } 474781 2025-03-31 16:54:37 -0700 2025-03-31 16:54:37 -0700 huge-fetch.any.worker-crash-log huge-fetch.any.worker-crash-log.txt text/plain 4447 y_karimi Tm8gY3Jhc2ggbG9nIGZvdW5kIGZvciBjb20uYXBwbGUuV2ViS2l0LldlYkNvbnRlbnQuRGV2ZWxv cG1lbnQ6OTA2NjYuCgpzdGRvdXQ6CgpzdGRlcnI6ClNoYXJlZEJ1ZmZlcjo6dHJ5Q3JlYXRlQXJy YXlCdWZmZXIgVW5hYmxlIHRvIGNyZWF0ZSBidWZmZXIuIFJlcXVlc3RlZCBzaXplIGlzIHRvbyBs YXJnZSAoODU4OTQ3NzA4OCkKQVNTRVJUSU9OIEZBSUxFRDogSlMgYXNzZXJ0aW9uIGZhaWxlZCBh dCBsaW5lIDEgaW46CmZ1bmN0aW9uIChjb250cm9sbGVyKQp7CiAgICAidXNlIHN0cmljdCI7Cgog 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