[Webkit-unassigned] [Bug 247626] Unable to render cross-origin image tag when added through fetch and javascript

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Nov 8 19:41:26 PST 2022


https://bugs.webkit.org/show_bug.cgi?id=247626

Alexey Proskuryakov <ap at webkit.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |NeedsReduction
                 CC|                            |annevk at annevk.nl,
                   |                            |ap at webkit.org,
                   |                            |cdumez at apple.com,
                   |                            |youennf at gmail.com,
                   |                            |zalan at apple.com

--- Comment #1 from Alexey Proskuryakov <ap at webkit.org> ---
AFAICT the image should be allowed to load - the document has `Cross-Origin-Embedder-Policy: require-corp`, but the image has `Access-Control-Allow-Origin: https://standout.com`.

> * Resizing the page sometimes renders the image it blocked earlier

Yes, relayout makes it show up. Cmd+ is a good way to see this too.

This makes me wonder if have two unrelated bugs:

1. COEP produces a misleading error, even though it doesn't actually prevent loading.

2. A layout bug that makes the image not appear until relayout.

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