[Webkit-unassigned] [Bug 213700] New: Crash in NetworkProcessProxy::getNetworkProcessConnection() lambda due to missing Optional<> value check

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=213700

            Bug ID: 213700
           Summary: Crash in
                    NetworkProcessProxy::getNetworkProcessConnection()
                    lambda due to missing Optional<> value check
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ddkilzer at webkit.org
                CC: achristensen at apple.com, cdumez at apple.com

Crash in NetworkProcessProxy::getNetworkProcessConnection() lambda due to missing Optional<> value check.

NetworkProcess::createNetworkConnectionToWebProcess() can call its completion handler with an empty Optional<> argument:

    auto ipcConnection = createIPCConnectionPair();
    if (!ipcConnection) {
        completionHandler({ }, HTTPCookieAcceptPolicy::Never);
        return;
    }

The completion handler defined in NetworkProcessProxy::getNetworkProcessConnection() must be able to handle this.

Note that GPUProcess::createGPUConnectionToWebProcess() and GPUProcessProxy::getGPUProcessConnection() have the same issue.

<rdar://problem/64852903>

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