Heavy use of CFF2 fonts crashes Firefox
Categories
(Core :: Layout: Text and Fonts, defect)
Tracking
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People
(Reporter: frankrolf, Unassigned)
Details
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Safari/605.1.15
Steps to reproduce:
I am working on a font specimen page for Source Serif, which basically is a wall of text. The page currently is live at this URL: https://frankrolf.github.io
In the CSS font stack, CFF2 fonts are prioritized. It seems that these fonts do crash Firefox. If I remove the CFF2 files from the stack, the page works normally.
step-by-step:
- open Firefox
- navigate to https://frankrolf.github.io
Actual results:
- page crashes FF completely
- re-starts of FF are followed by immediate crashes
- only “refreshing” FF helps
Expected results:
- page should not crash
I should notice that other pages with CFF2 fonts do not crash FF, for example https://adobe-fonts.github.io/source-sans-pro/ or https://v-fonts.com/fonts/source-code-variable – however the amount of text is much lower on these.
Further remark:
I just tested the same page on Firefox Nightly 86.0a1 (2021-01-19) – no crash.
Comment 3•4 years ago
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Bugbug thinks this bug should belong to this component, but please revert this change in case of error.
Comment 4•4 years ago
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Based on local testing, I believe this should be fixed in Firefox 85, which is due for release next week.
Comment 6•4 years ago
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frankrolf, can you please do double-check that the issue has been fixed in 85 release? Thank you!
Yes I tested the page on Firefox 85 earlier today, and it just performs normally.
In the meantime the content has moved to https://adobe-fonts.github.io/source-serif/ (and will stay there for a while).
Thanks again for the fix!
Comment 8•4 years ago
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Thanks! Closing as FIXED and putting "dupme".
Description
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