[Webkit-unassigned] [Bug 228305] New: [ iOS Debug ] http/tests/xmlhttprequest/access-control-preflight-credential-sync.html is a flaky crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=228305

            Bug ID: 228305
           Summary: [ iOS Debug ]
                    http/tests/xmlhttprequest/access-control-preflight-cre
                    dential-sync.html is a flaky crash
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: iPhone / iPad
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ayumi_kojima at apple.com

http/tests/xmlhttprequest/access-control-preflight-credential-sync.html

Is a flaky crash on iOS 14 E Simulator wk1 Debug.

History: https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Fxmlhttprequest%2Faccess-control-preflight-credential-sync.html&platform=ios

Crash log:

2021-07-24 14:34:45.321 com.apple.WebKit.Networking.Development[24895:27791477] DiskCookieStorage changing policy from 2 to 0, cookie file: file:///Users/buildbot/Library/Developer/CoreSimulator/Devices/166716B4-CF25-4A7A-A410-DD22E5D81DE3/data/Containers/Data/Application/5FD00734-602E-4B62-90F5-AB83B0F9DD9A/Library/Cookies/Cookies.binarycookies
Failed to load 'about:blank', terminating process and trying again.
ASSERTION FAILED: !isSynchronous() || !m_synchronousLoadData->delayedReply
/Volumes/Data/worker/ios-simulator-14-debug/build/Source/WebKit/NetworkProcess/NetworkResourceLoader.cpp(138) : virtual WebKit::NetworkResourceLoader::~NetworkResourceLoader()
com.apple.WebKit.WebContent.Development terminated (pid 27914) because the client requested
1   0x1208b2bf9 WTFCrash
2   0x108b950ab WTFCrashWithInfo(int, char const*, char const*, int)
3   0x1098a333d WebKit::NetworkResourceLoader::~NetworkResourceLoader()
4   0x1098a3785 WebKit::NetworkResourceLoader::~NetworkResourceLoader()
5   0x1092953bb std::__1::default_delete<WebKit::NetworkResourceLoader>::operator()(WebKit::NetworkResourceLoader*) const
6   0x109295322 WTF::RefCounted<WebKit::NetworkResourceLoader, std::__1::default_delete<WebKit::NetworkResourceLoader> >::deref() const
7   0x109846997 WTF::DefaultRefDerefTraits<WebKit::NetworkResourceLoader>::derefIfNotNull(WebKit::NetworkResourceLoader*)
8   0x109846959 WTF::RefPtr<WebKit::NetworkResourceLoader, WTF::RawPtrTraits<WebKit::NetworkResourceLoader>, WTF::DefaultRefDerefTraits<WebKit::NetworkResourceLoader> >::~RefPtr()
9   0x109820405 WTF::RefPtr<WebKit::NetworkResourceLoader, WTF::RawPtrTraits<WebKit::NetworkResourceLoader>, WTF::DefaultRefDerefTraits<WebKit::NetworkResourceLoader> >::~RefPtr()
10  0x10989e7a8 WebKit::NetworkResourceLoadMap::remove(unsigned long long)
11  0x1098200f3 WebKit::NetworkConnectionToWebProcess::didCleanupResourceLoader(WebKit::NetworkResourceLoader&)
12  0x1098a94e0 WebKit::NetworkResourceLoader::cleanup(WebKit::NetworkResourceLoader::LoadResult)
13  0x1098aa594 WebKit::NetworkResourceLoader::abort()
14  0x109821952 WebKit::NetworkConnectionToWebProcess::didClose(IPC::Connection&)
15  0x108c38647 IPC::Connection::connectionDidClose()::$_9::operator()()
16  0x108c3851e WTF::Detail::CallableWrapper<IPC::Connection::connectionDidClose()::$_9, void>::call()
17  0x1208e0b22 WTF::Function<void ()>::operator()() const
18  0x120969e10 WTF::RunLoop::performWork()
19  0x12096e841 WTF::RunLoop::performWork(void*)
20  0x103576ede __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
21  0x103576dd6 __CFRunLoopDoSource0
22  0x10357629e __CFRunLoopDoSources0
23  0x1035709f7 __CFRunLoopRun
24  0x1035701a7 CFRunLoopRunSpecific
25  0x102f5f204 -[NSRunLoop(NSRunLoop) runMode:beforeDate:]
26  0x102f5f418 -[NSRunLoop(NSRunLoop) run]
27  0x104e911a8 _xpc_objc_main
28  0x104e93143 xpc_main
29  0x1099a181b WebKit::XPCServiceMain(int, char const**)
30  0x10b1fe58b WKXPCServiceMain
31  0x102d8cd42 main

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