Bug 278678

Summary:	REGRESSION (281812@main) : [ macOS debug ] 8x TestWebKitAPI is a flaky assertion crash
Product:	WebKit	Reporter:	Anfernee Viduya <aviduya>
Component:	New Bugs	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED DUPLICATE
Severity:	Normal	CC:	achristensen, ap, timothy, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Anfernee Viduya

Reported 2024-08-26 14:38:44 PDT

TestWebKitAPI.WebKit.MenuAndButtonForShiftRightClick TestWebKitAPI.WebKit.MenuAndButtonForNormalRightClick TestWebKitAPI.WebKit.MenuAndButtonForControlRightClick TestWebKitAPI.WebKit.MenuAndButtonForControlLeftClick TestWebKitAPI.WebKit.MenuAndButtonForCommandRightClick TestWebKitAPI.WebKit.MenuAndButtonForAltRightClick TestWebKitAPI.PageVisibilityStateWithWindowChanges.WebKit2 TestWebKitAPI.WebKit.RestoreStateAfterTermination HISTORY: https://results.webkit.org/?suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&test=TestWebKitAPI.PageVisibilityStateWithWindowChanges.WebKit2&test=TestWebKitAPI.WebKit.MenuAndButtonForAltRightClick&test=TestWebKitAPI.WebKit.MenuAndButtonForCommandRightClick&test=TestWebKitAPI.WebKit.MenuAndButtonForControlLeftClick&test=TestWebKitAPI.WebKit.MenuAndButtonForControlRightClick&test=TestWebKitAPI.WebKit.MenuAndButtonForNormalRightClick&test=TestWebKitAPI.WebKit.MenuAndButtonForShiftRightClick&test=TestWebKitAPI.WebKit.RestoreStateAfterTermination LOG: ASSERTION FAILED: buffer[utf8Length] == '\0' /Volumes/Data/worker/Apple-Sonoma-Debug-Build/build/Source/WebKit/Shared/API/APISerializedScriptValue.cpp(100) : auto API::valueToWKObject(JSContextRef, JSValueRef)::(anonymous class)::operator()(JSStringRef) const 1 0x3442affc4 API::valueToWKObject(OpaqueJSContext const*, OpaqueJSValue const*)::$_6::operator()(OpaqueJSString*) const 2 0x3442ae570 API::valueToWKObject(OpaqueJSContext const*, OpaqueJSValue const*) 3 0x3442ae2c0 API::SerializedScriptValue::deserializeWK(WebCore::SerializedScriptValue&) BUILDBOT LINK: https://build.webkit.org/#/builders/934/builds/3856 REPRODUCIBILITY: I was able to bisect the regression using command run-api-tests <any_mentioned_test> --debug --iterations=5 DESCRIPTION: All mentioned test produce the same ASSERTION FAILED: buffer[utf8Length] == '\0', but only occurring in macOS debug.

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Radar WebKit Bug Importer

Comment 1 2024-08-26 14:38:53 PDT

<rdar://problem/134731526>

Alexey Proskuryakov

Comment 2 2024-08-27 09:33:06 PDT

Looks like this got fixed through bug 278682. *** This bug has been marked as a duplicate of bug 278682 ***

Anfernee Viduya

Comment 3 2024-08-28 14:26:48 PDT

Fix is at 282769@main.

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