Loading modules across origins seems to send Firefox into a spin

UNCONFIRMED
Unassigned

Status

()

Core
JavaScript Engine
UNCONFIRMED
2 months ago
2 months ago

People

(Reporter: Jake Archibald, Unassigned)

Tracking

(Blocks: 1 bug)

Trunk
Points:
---

Firefox Tracking Flags

(Not tracked)

Details

(Reporter)

Description

2 months ago
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.81 Safari/537.36

Steps to reproduce:

https://cdn.rawgit.com/jakearchibald/2b8d4bc7624ca6a2c7f3c35f6e17fe2d/raw/fe04e60b0b7021f261e79b8ef28b0ccd132c1585/

This page contains two cross-origin module scripts. One has CORS headers, the other doesn't.


Actual results:

The loading spinner keeps on spinning, nothing is displayed.


Expected results:

The script with CORS headers should execute, the other should not.

Updated

2 months ago
Component: Untriaged → JavaScript Engine
Product: Firefox → Core

Updated

2 months ago
Blocks: 1240072
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