[Webkit-unassigned] [Bug 211300] New: [Catalina] ASSERTION FAILED: Unsafe to ref/deref from different threads seen with TestWebKitAPI.MultipleClientCertificateConnections.Failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=211300

            Bug ID: 211300
           Summary: [Catalina] ASSERTION FAILED: Unsafe to ref/deref from
                    different threads seen with
                    TestWebKitAPI.MultipleClientCertificateConnections.Fai
                    lure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com

Created attachment 398199

  --> https://bugs.webkit.org/attachment.cgi?id=398199&action=review

crash log

TestWebKitAPI.MultipleClientCertificateConnections.Failure appears to be intermittently crashing on Catalina Debug bots with the following assertion failure:

    TestWebKitAPI.MultipleClientCertificateConnections.Failure
        ASSERTION FAILED: Unsafe to ref/deref from different threads
        m_isOwnedByMainThread == isMainThread()
        /Volumes/Data/slave/catalina-debug/build/WebKitBuild/Debug/usr/local/include/wtf/RefCounted.h(114) : void WTF::RefCountedBase::applyRefDerefThreadingCheck() const
        1   0x110d71959 WTFCrash
        2   0x10da13621 WTF::RefCountedBase::applyRefDerefThreadingCheck() const
        3   0x10da133fc WTF::RefCountedBase::derefBase() const
        4   0x10dd0d02f WTF::RefCounted<TestWebKitAPI::HTTPServer::RequestData, std::__1::default_delete<TestWebKitAPI::HTTPServer::RequestData> >::deref() const
        5   0x10dd0d001 void WTF::derefIfNotNull<TestWebKitAPI::HTTPServer::RequestData>(TestWebKitAPI::HTTPServer::RequestData*)
        6   0x10dd0cfc9 WTF::RefPtr<TestWebKitAPI::HTTPServer::RequestData, WTF::DumbPtrTraits<TestWebKitAPI::HTTPServer::RequestData> >::~RefPtr()
        7   0x10dd02f55 WTF::RefPtr<TestWebKitAPI::HTTPServer::RequestData, WTF::DumbPtrTraits<TestWebKitAPI::HTTPServer::RequestData> >::~RefPtr()
        8   0x10dd0b6cc __destroy_helper_block_e8_32c61_ZTSN3WTF9RetainPtrIU27objcproto16OS_nw_connection8NSObjectEE40c85_ZTSN3WTF6RefPtrIN13TestWebKitAPI10HTTPServer11RequestDataENS_13DumbPtrTraitsIS3_EEEE
        9   0x7fff6d727bd5 _Block_release
        10  0x7fff6c0b4516 nw_write_request_report
        11  0x7fff6c0b403a nw_write_request_list_prune
        12  0x7fff6c0ab8b5 nw_flow_prepare_output_frames
        13  0x7fff6c0a58ee nw_flow_service_writes
        14  0x7fff6c0a4d58 nw_endpoint_handler_service_writes
        15  0x7fff6c0a05cc nw_connection_add_write_request_on_queue
        16  0x7fff6d67e6c4 _dispatch_call_block_and_release
        17  0x7fff6d67f658 _dispatch_client_callout
        18  0x7fff6d686909 _dispatch_workloop_invoke
        19  0x7fff6d68ec09 _dispatch_workloop_worker_thread
        20  0x7fff6d8d9a3d _pthread_wqthread

https://results.webkit.org/?suite=api-tests&test=TestWebKitAPI.MultipleClientCertificateConnections.Failure

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