Bug 264612 – RELEASE_ASSERT() under GPUProcessConnection::create(IPC::Connection&)

• Component: WebKit2
• Status: RESOLVED FIXED

[Chris Dumez]

RELEASE_ASSERT() under GPUProcessConnection::create(IPC::Connection&):
```
7 WTFCrashWithInfo(int, char const*, char const*, int)
 ==> 7 WebKit::GPUProcessConnection::create(IPC::Connection&) <==
          7 WebKit::WebProcess::ensureGPUProcessConnection()
            5 WebKit::RemoteRenderingBackendProxy::ensureGPUProcessConnection()::$_5::operator()()
            | 5 WebKit::RemoteRenderingBackendProxy::ensureGPUProcessConnection()
            |   5 WebKit::RemoteRenderingBackendProxy::streamConnection()
            |     5 auto WebKit::RemoteRenderingBackendProxy::send<Messages::RemoteRenderingBackend::CreateImageBuffer, WebKit::RenderingBackendIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits>(Messages::RemoteRenderingBackend::CreateImageBuffer&&, WTF::ObjectIdentifierGeneric<WebKit::RenderingBackendIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits>)
            |       5 auto WebKit::RemoteRenderingBackendProxy::send<Messages::RemoteRenderingBackend::CreateImageBuffer>(Messages::RemoteRenderingBackend::CreateImageBuffer&&)
            |         5 WebKit::RemoteRenderingBackendProxy::createRemoteImageBuffer(WebCore::ImageBuffer&)
            |           5 WebKit::RemoteResourceCacheProxy::remoteResourceCacheWasDestroyed()
            |             5 WebKit::RemoteRenderingBackendProxy::didClose(IPC::Connection&)
            |               5 IPC::Connection::dispatchDidCloseAndInvalidate()::$_13::operator()() const
            |                 5 WTF::Detail::CallableWrapper<IPC::Connection::dispatchDidCloseAndInvalidate()::$_13, void>::call()
```

[Chris Dumez]

<rdar://117840925>

[Chris Dumez]

Pull request: https://github.com/WebKit/WebKit/pull/20325

[EWS]

Committed 270569@main (0532f1c87a63): <https://commits.webkit.org/270569@main>

Reviewed commits have been landed. Closing PR #20325 and removing active labels.