[Webkit-unassigned] [Bug 240788] Freeze closing pdf rendered in non active tab

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=240788

--- Comment #2 from Bart Corremans <bart.corremans at gmail.com> ---
Thanks for following up on this.

Using the attached repro, the issue consistently triggers:

- Open index.html
- Click the button.
- Before the pdf loads (it's on a timeout), return to the first tab and click the button again. Remain on the newly opened tab this time.
- When the inactive tab finishes loading the PDF, close it without making it active. This can be either before or after the PDF in the current tab finishes loading.

Sometimes it happens more quickly with just the following steps:

- Open index.html
- Click the button. Return to the first tab before the pdf loads.
- When the pdf is loaded in the inactive tab, the browser may already be frozen (button will no longer be work).

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