223488 2021-03-18 16:51:26 -0700 [ macOS wk2 Release ARM64 ] 3 http/wpt/beacon/cors/cors-preflight-blob are flakey text failures 2021-04-09 15:13:26 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified NEW InRadar P2 Normal --- 1 jenner webkit-unassigned achristensen cdumez webkit-bot-watchers-bugzilla webkit-bug-importer youennf oldest_to_newest 1741512 0 jenner 2021-03-18 16:51:26 -0700 http/wpt/beacon/cors/cors-preflight-blob-failure.html http/wpt/beacon/cors/cors-preflight-blob-success.html http/wpt/beacon/cors/cors-preflight-redirect-success.html are flakey text failures in macOS BigSur Release wk2 on Apple Silicon Only. HISTORY URL: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&test=http%2Fwpt%2Fbeacon%2Fcors%2Fcors-preflight-blob-failure.html&test=http%2Fwpt%2Fbeacon%2Fcors%2Fcors-preflight-blob-success.html&test=http%2Fwpt%2Fbeacon%2Fcors%2Fcors-preflight-redirect-success.html&architecture=arm64 All three tests appear to have the same Text DIFF Failure: +FAIL CORS preflight failure test assert_equals: Preflight referer header expected "http://localhost:8800/WebKit/beacon/cors/cors-preflight-blob-failure.html" but got "http://localhost:8800/" 1741513 1 webkit-bug-importer 2021-03-18 16:51:45 -0700 <rdar://problem/75597467> 1741515 2 jenner 2021-03-18 16:58:14 -0700 Updated test expectations to Pass Failure due to test's flakiness: https://trac.webkit.org/changeset/274690/webkit 1741516 3 jenner 2021-03-18 16:58:52 -0700 Failures only occur on Apple Silicon Macs, and as such I cannot reproduce the failures, or track down a regression point as I do not have access to an Apple Silicon Mac. 1742549 4 achristensen 2021-03-22 16:23:21 -0700 On my Apple Silicon Mac I can't reproduce this failure. 1748880 5 cdumez 2021-04-09 15:06:03 -0700 I don't have access to an M1 but it is hard to imagine such failure would be specific to M1. I tried reproducing on my Intel machine like so: run-webkit-tests http/wpt/beacon/cors/cors-preflight-blob-failure.html --repeat-each=100 -gf Did not reproduce though. 1748885 6 cdumez 2021-04-09 15:13:26 -0700 Normally, the Referer header for beacon loads gets set like so: LOGGING: newOutgoingReferrer is http://localhost:8800/WebKit/beacon/cors/cors-preflight-blob-failure.html 1 0x11d1c0dc3 WebCore::updateRequestReferrer(WebCore::ResourceRequest&, WebCore::ReferrerPolicy, WTF::String const&) 2 0x11d35b103 WebCore::CachedResourceRequest::updateReferrerAndOriginHeaders(WebCore::FrameLoader&) 3 0x11d35b04e WebCore::CachedResourceLoader::updateHTTPRequestHeaders(WebCore::FrameLoader&, WebCore::CachedResource::Type, WebCore::CachedResourceRequest&) 4 0x11d356787 WebCore::CachedResourceLoader::requestResource(WebCore::CachedResource::Type, WebCore::CachedResourceRequest&&, WebCore::CachedResourceLoader::ForPreload, WebCore::ImageLoading) 5 0x11d358ad1 WebCore::CachedResourceLoader::requestBeaconResource(WebCore::CachedResourceRequest&&) 6 0x11b47fa7f WebCore::NavigatorBeacon::sendBeacon(WebCore::Document&, WTF::String const&, WTF::Optional<WTF::Variant<WTF::RefPtr<WebCore::Blob, WTF::RawPtrTraits<WebCore::Blob>, WTF::DefaultRefDerefTraits<WebCore::Blob> >, WTF::RefPtr<JSC::ArrayBufferView, WTF::RawPtrTraits<JSC::ArrayBufferView>, WTF::DefaultRefDerefTraits<JSC::ArrayBufferView> >, WTF::RefPtr<JSC::ArrayBuffer, WTF::RawPtrTraits<JSC::ArrayBuffer>, WTF::DefaultRefDerefTraits<JSC::ArrayBuffer> >, WTF::RefPtr<WebCore::DOMFormData, WTF::RawPtrTraits<WebCore::DOMFormData>, WTF::DefaultRefDerefTraits<WebCore::DOMFormData> >, WTF::RefPtr<WebCore::URLSearchParams, WTF::RawPtrTraits<WebCore::URLSearchParams>, WTF::DefaultRefDerefTraits<WebCore::URLSearchParams> >, WTF::RefPtr<WebCore::ReadableStream, WTF::RawPtrTraits<WebCore::ReadableStream>, WTF::DefaultRefDerefTraits<WebCore::ReadableStream> >, WTF::String> >&&) 7 0x11b4801db WebCore::NavigatorBeacon::sendBeacon(WebCore::Navigator&, WebCore::Document&, WTF::String const&, WTF::Optional<WTF::Variant<WTF::RefPtr<WebCore::Blob, WTF::RawPtrTraits<WebCore::Blob>, WTF::DefaultRefDerefTraits<WebCore::Blob> >, WTF::RefPtr<JSC::ArrayBufferView, WTF::RawPtrTraits<JSC::ArrayBufferView>, WTF::DefaultRefDerefTraits<JSC::ArrayBufferView> >, WTF::RefPtr<JSC::ArrayBuffer, WTF::RawPtrTraits<JSC::ArrayBuffer>, WTF::DefaultRefDerefTraits<JSC::ArrayBuffer> >, WTF::RefPtr<WebCore::DOMFormData, WTF::RawPtrTraits<WebCore::DOMFormData>, WTF::DefaultRefDerefTraits<WebCore::DOMFormData> >, WTF::RefPtr<WebCore::URLSearchParams, WTF::RawPtrTraits<WebCore::URLSearchParams>, WTF::DefaultRefDerefTraits<WebCore::URLSearchParams> >, WTF::RefPtr<WebCore::ReadableStream, WTF::RawPtrTraits<WebCore::ReadableStream>, WTF::DefaultRefDerefTraits<WebCore::ReadableStream> >, WTF::String> >&&) 8 0x11a84a84f WebCore::jsNavigatorPrototypeFunction_sendBeaconBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSNavigator*) 9 0x11a84a40c long long WebCore::IDLOperation<WebCore::JSNavigator>::call<&(WebCore::jsNavigatorPrototypeFunction_sendBeaconBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSNavigator*)), (WebCore::CastedThisErrorBehavior)0>(JSC::JSGlobalObject&, JSC::CallFrame&, char const*) 10 0x11a849b14 WebCore::jsNavigatorPrototypeFunction_sendBeacon(JSC::JSGlobalObject*, JSC::CallFrame*)