imported/w3c/web-platform-tests/XMLHttpRequest/event-upload-progress-crossorigin.htm is a flaky failure on Sierra Release WK1 but the test is also crashing consistently on macOS Debug WK1 testers. Currently the test is marked as a flaky crash but has no bug associated with it. https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&revision=225366&tests=imported%2Fw3c%2Fweb-platform-tests%2FXMLHttpRequest%2Fevent-upload-progress-crossorigin.htm https://build.webkit.org/results/Apple%20High%20Sierra%20Debug%20WK1%20(Tests)/r225643%20(1308)/results.html https://build.webkit.org/builders/Apple%20High%20Sierra%20Debug%20WK1%20(Tests)/builds/1308 stderr: No crash log found for DumpRenderTree:99889. stdout: stderr: ASSERTION FAILED: formData /Volumes/Data/slave/highsierra-debug/build/Source/WebCore/platform/network/cocoa/ResourceRequestCocoa.mm(126) : void WebCore::ResourceRequest::doUpdateResourceHTTPBody() 1 0x10fb0288d WTFCrash 2 0x1174e4ca7 WebCore::ResourceRequest::doUpdateResourceHTTPBody() 3 0x1194a0aaa WebCore::ResourceRequestBase::updateResourceRequest(WebCore::HTTPBodyUpdatePolicy) const 4 0x1194a192e WebCore::ResourceRequestBase::httpBody() const 5 0x118ebc3f9 WebCore::CachedRawResource::canReuse(WebCore::ResourceRequest const&) const 6 0x118ec7ed1 WebCore::CachedResourceLoader::determineRevalidationPolicy(WebCore::CachedResource::Type, WebCore::CachedResourceRequest&, WebCore::CachedResource*, WebCore::CachedResourceLoader::ForPreload, WebCore::CachedResourceLoader::DeferOption) const 7 0x118ec3a2c WebCore::CachedResourceLoader::requestResource(WebCore::CachedResource::Type, WebCore::CachedResourceRequest&&, WebCore::CachedResourceLoader::ForPreload, WebCore::CachedResourceLoader::DeferOption) 8 0x118ec55e1 WebCore::CachedResourceLoader::requestRawResource(WebCore::CachedResourceRequest&&) 9 0x118db0a43 WebCore::DocumentThreadableLoader::loadRequest(WebCore::ResourceRequest&&, WebCore::SecurityCheckPolicy) 10 0x118d9f984 WebCore::DocumentThreadableLoader::preflightSuccess(WebCore::ResourceRequest&&) 11 0x118d9f648 WebCore::CrossOriginPreflightChecker::validatePreflightResponse(WebCore::DocumentThreadableLoader&, WebCore::ResourceRequest&&, unsigned long, WebCore::ResourceResponse const&) 12 0x118d9fb43 WebCore::CrossOriginPreflightChecker::notifyFinished(WebCore::CachedResource&) 13 0x118ebdd9d WebCore::CachedResource::checkNotify() 14 0x118eb9dd1 WebCore::CachedResource::finishLoading(WebCore::SharedBuffer*) 15 0x118ebac8c WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) 16 0x118e59649 WebCore::SubresourceLoader::didFinishLoading(WebCore::NetworkLoadMetrics const&) 17 0x118e469d5 WebCore::ResourceLoader::didFinishLoading(WebCore::ResourceHandle*) 18 0x11755a454 -[WebCoreResourceHandleAsOperationQueueDelegate connectionDidFinishLoading:]::$_7::operator()() 19 0x11755a339 WTF::Function<void ()>::CallableWrapper<-[WebCoreResourceHandleAsOperationQueueDelegate connectionDidFinishLoading:]::$_7>::call() 20 0x116a6215b WTF::Function<void ()>::operator()() const 21 0x117555370 WTF::BlockPtr<void ()> WTF::BlockPtr<void ()>::fromCallable<WTF::Function<void ()> >(WTF::Function<void ()>)::'lambda'(void*)::operator()(void*) const 22 0x117555348 WTF::BlockPtr<void ()> WTF::BlockPtr<void ()>::fromCallable<WTF::Function<void ()> >(WTF::Function<void ()>)::'lambda'(void*)::__invoke(void*) 23 0x7fff77c01591 _dispatch_call_block_and_release 24 0x7fff77bf9d50 _dispatch_client_callout 25 0x7fff77c0532d _dispatch_main_queue_callback_4CF 26 0x7fff5037c839 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ 27 0x7fff5033f08a __CFRunLoopRun 28 0x7fff5033e3d7 CFRunLoopRunSpecific 29 0x10a79385e runTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) 30 0x10a791c43 runTestingServerLoop() 31 0x10a791152 dumpRenderTree(int, char const**)
Associated bug and Skipped test for now in https://trac.webkit.org/changeset/225653/webkit
After this test was renamed upstream and imported again new bugs were filed. *** This bug has been marked as a duplicate of bug 223804 ***