RESOLVED FIXED 246663
Fire error event when link preload fails synchronously 
https://bugs.webkit.org/show_bug.cgi?id=246663
Summary Fire error event when link preload fails synchronously
Ryan Reno
Reported 2022-10-17 17:23:47 PDT
The fetch and process the linked resource steps for a preload link specify we should fire an error event when there's an error returned from the fetch.
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Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2022-10-17 17:24:06 PDT
<rdar://problem/101269688>
Ryan Reno
Comment 2 2022-10-17 17:27:34 PDT
Pull request: https://github.com/WebKit/WebKit/pull/5473
Ryan Reno
Comment 3 2022-10-18 09:41:28 PDT
I did such a poor job of explaining the issue and naming this bug. What we need to do is fire error events when a synchronous failure occurs. In particular, when we block the preload via CSP we don't ever schedule with the Network Process so the current code path for firing an error event never executes. Since we're supposed to return the spec's notion of a network error when we block due to CSP then we should also fire an error event when we block due to CSP.
EWS
Comment 4 2022-10-19 10:03:28 PDT
Committed 255740@main (6bab27e2e35e): <https://commits.webkit.org/255740@main> Reviewed commits have been landed. Closing PR #5473 and removing active labels.
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