1747579 - website initially renders content as expected, during scrolling content vanishes, window is completely blank

Status: NEW

(WebExtensions :: Untriaged, defect)

Description

[Chris Murphy]

Go here:
https://www.simplyrecipes.com/recipes/prime_rib/

Scroll down, and about 1/3 of the way (depending on screen size), the window inexplicable goes blank (all white, no content).

100% reproducible

firefox-95.0.2-2.fc35.x86_64
Build ID: 20211220141501
Distribution ID: fedora
User Agent: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0
OS: Linux 5.16.0-0.rc6.41.fc36.x86_64+debug #1 SMP PREEMPT Mon Dec 20 13:46:46 UTC 2021
OS Theme: Adwaita / Adwaita
Multiprocess Windows: 1/1
Fission Windows: 1/1 Enabled by phased rollout
Remote Processes: 9
Enterprise Policies: Inactive
Google Location Service Key: Found
Google Safebrowsing Key: Found
Mozilla Location Service Key: Found
Safe Mode: false
MOZ_ENABLE_WAYLAND: 1

Comment 1

[Chris Murphy]

Attachment: aboutsupport

Comment 2

[Chris Murphy]

Problem doesn't happen in troubleshooting mode. Hmm.

Comment 3

[Chris Murphy]

OK after restarting Firefox normally, it no longer happens - so some sort of transient state Firefox gets into until restarted. To reproduce prior to restarting Firefox, I had tried creating a new tab and the problem did still happen there.

Comment 4

[Botond Ballo [:botond]]

Does the vertical scrollbar disappear as well, or does it remain and it's just scrolling blank content?

If you reproduce it again, it would be interesting to open the Developer Tools (Ctrl+Shift+I) and look for clues there, for example:

• In the Inspector tab, are the page's content elements still there?
• In the Console tab, are there any errors or warnings? (If it's reproducible reliably, you can also try opening the devtools before reproducing the issue, and looking specifically for errors and warnings that appear at the time the content goes blank.)
• In the Network tab, do you see the page making new requests? (If you can still scroll the page, you can try things like scrolling to the bottom or the top which seems to trigger network requests when the page is working.)

Comment 5

[Chris Murphy]

Vertical scrollbar disappears.

Console shows this at the time of the vanishing act:

Referrer Policy: Ignoring the less restricted referrer policy “no-referrer-when-downgrade” for the cross-site request: https://www.relish.com/api/v1/recipe/5101763/?type=origin eNqFVG1yozAMvVBdDtG__bcnkI0ABWGztgyhp18BSZpJDDvDjKTnpw8LyVUSEHIVk03VRb-_GePyUd1gRbIQkxAmYzOxmJmkM--0wQv_cTEwP1AXhjF49JIq8oLRA1c1NhhX_qZErEtsaBrNCYKGyfcm4hxJdreDo1IUvO456Wcnb_d7A4v5642ronQ6U92iyg6p7eSrA9_iNyVBryWWwOc2TejrEBUg1y-mJznLICGw0HiXxVKzdCGaO_PyipyFbxBrC643loPrX8wzx6gHvt16dFPP2AoNCphLHsat5-_ImXsKjoBN6iDimvHZPvl5DeOVLKOB-oTF8LMcMB6XRUcj7rXaLBJ8AToLMFGNwYwMyz7Cl_lmPJzuy8fp07YJizORJGYnWTfGuKDb5KWiAVqsXERdh-917Gy4fkEMOSG_xd4nzpIcTrwlZhsg7p1JzqxjYH7R1203E3g9BJMO1_63h0yp2-Zl045K8ApO-Eiwm2eBfRbdf9J_8tBMA658yZaD1SeoQ6i3TV1Fiedhoha2qLuLFjI9qSWfJsRBM6zrvg4nQnTdi3kyhmv_YIblOLLHOTGKPl4mUevz-I4Ur_J_t38HAE_5.min.js:1:82801
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://static.cloudflareinsights.com/beacon.min.js/v652eace1692a40cfa3763df669d7439c1639079717194. (Reason: CORS request did not succeed). Status code: (null).

None of the “sha512” hashes in the integrity attribute match the content of the subresource. storage
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://static.cloudflareinsights.com/beacon.min.js/v652eace1692a40cfa3763df669d7439c1639079717194. (Reason: CORS request did not succeed). Status code: (null).

None of the “sha512” hashes in the integrity attribute match the content of the subresource. storage
Uncaught (in promise) TypeError: window.pbjs.onEvent is not a function
setup https://www.simplyrecipes.com/static/5.143.0/cache/eNptkWtuxCAMhC9UxB0qVf1brXIBHt6sy8MpmKzI6UtW25akSPxh5sMeDTKzYjTSUFgoQuQsvapUWH7mdoS5gXEv8kl51LvakK1m3CD_OrtIyoL9x1blSo8t5OsVve-1FaKlJANZSBG3JIKK7KFHDJHDbuHP-K8CqWZOGOceL4weGY8Jr1EMdUthbLx_TIOYfEvEp3gJmllgSsq4UxSdQLmFsHV7CENkx1uXonPRvXKZXvsr71surN9WOA0Nquq_XN2nKvtoa1545Lb-iuGSwApDkZu2w9mI9uyQTM0gVoT7aMjM4fFRHo0T_CziG5HI5Eg.min.js:7
go https://www.simplyrecipes.com/static/5.143.0/cache/eNptkWtuxCAMhC9UxB0qVf1brXIBHt6sy8MpmKzI6UtW25akSPxh5sMeDTKzYjTSUFgoQuQsvapUWH7mdoS5gXEv8kl51LvakK1m3CD_OrtIyoL9x1blSo8t5OsVve-1FaKlJANZSBG3JIKK7KFHDJHDbuHP-K8CqWZOGOceL4weGY8Jr1EMdUthbLx_TIOYfEvEp3gJmllgSsq4UxSdQLmFsHV7CENkx1uXonPRvXKZXvsr71surN9WOA0Nquq_XN2nKvtoa1545Lb-iuGSwApDkZu2w9mI9uyQTM0gVoT7aMjM4fFRHo0T_CziG5HI5Eg.min.js:7
eNptkWtuxCAMhC9UxB0qVf1brXIBHt6sy8MpmKzI6UtW25akSPxh5sMeDTKzYjTSUFgoQuQsvapUWH7mdoS5gXEv8kl51LvakK1m3CD_OrtIyoL9x1blSo8t5OsVve-1FaKlJANZSBG3JIKK7KFHDJHDbuHP-K8CqWZOGOceL4weGY8Jr1EMdUthbLx_TIOYfEvEp3gJmllgSsq4UxSdQLmFsHV7CENkx1uXonPRvXKZXvsr71surN9WOA0Nquq_XN2nKvtoa1545Lb-iuGSwApDkZu2w9mI9uyQTM0gVoT7aMjM4fFRHo0T_CziG5HI5Eg.min.js:7:5906
Referrer Policy: Ignoring the less restricted referrer policy “no-referrer-when-downgrade” for the cross-site request: https://www.relish.com/api-insights/log?code=EqtpvNqRoZJvn/sE/rbSopZ93dRa0WuQ1cwbu983PxEcSGR6DEVFSQ== relish.js:1:106361
Referrer Policy: Ignoring the less restricted referrer policy “no-referrer-when-downgrade” for the cross-site request: https://www.relish.com/api/v1/retailers/00000 relish.js:1:58259
Uncaught (in promise) TypeError: window.pbjs.onEvent is not a function
setup https://www.simplyrecipes.com/static/5.143.0/cache/eNptkWtuxCAMhC9UxB0qVf1brXIBHt6sy8MpmKzI6UtW25akSPxh5sMeDTKzYjTSUFgoQuQsvapUWH7mdoS5gXEv8kl51LvakK1m3CD_OrtIyoL9x1blSo8t5OsVve-1FaKlJANZSBG3JIKK7KFHDJHDbuHP-K8CqWZOGOceL4weGY8Jr1EMdUthbLx_TIOYfEvEp3gJmllgSsq4UxSdQLmFsHV7CENkx1uXonPRvXKZXvsr71surN9WOA0Nquq_XN2nKvtoa1545Lb-iuGSwApDkZu2w9mI9uyQTM0gVoT7aMjM4fFRHo0T_CziG5HI5Eg.min.js:7
go https://www.simplyrecipes.com/static/5.143.0/cache/eNptkWtuxCAMhC9UxB0qVf1brXIBHt6sy8MpmKzI6UtW25akSPxh5sMeDTKzYjTSUFgoQuQsvapUWH7mdoS5gXEv8kl51LvakK1m3CD_OrtIyoL9x1blSo8t5OsVve-1FaKlJANZSBG3JIKK7KFHDJHDbuHP-K8CqWZOGOceL4weGY8Jr1EMdUthbLx_TIOYfEvEp3gJmllgSsq4UxSdQLmFsHV7CENkx1uXonPRvXKZXvsr71surN9WOA0Nquq_XN2nKvtoa1545Lb-iuGSwApDkZu2w9mI9uyQTM0gVoT7aMjM4fFRHo0T_CziG5HI5Eg.min.js:7
eNptkWtuxCAMhC9UxB0qVf1brXIBHt6sy8MpmKzI6UtW25akSPxh5sMeDTKzYjTSUFgoQuQsvapUWH7mdoS5gXEv8kl51LvakK1m3CD_OrtIyoL9x1blSo8t5OsVve-1FaKlJANZSBG3JIKK7KFHDJHDbuHP-K8CqWZOGOceL4weGY8Jr1EMdUthbLx_TIOYfEvEp3gJmllgSsq4UxSdQLmFsHV7CENkx1uXonPRvXKZXvsr71surN9WOA0Nquq_XN2nKvtoa1545Lb-iuGSwApDkZu2w9mI9uyQTM0gVoT7aMjM4fFRHo0T_CziG5HI5Eg.min.js:7:5906

​

Comment 6

[Chris Murphy]

Attachment: Screenshot from 2022-01-14 21-33-51.png

Network tab does show network requests as I scroll and two appear in red at the time the content vanishes - attaching screenshot.

Comment 7

[Botond Ballo [:botond]]

(In reply to Chris Murphy from comment #6)

Network tab does show network requests as I scroll and two appear in red at the time the content vanishes - attaching screenshot.

"Blocked by uBlock Origin" is potentially relevant.

I've experienced misbehaviour such as a site going blank after an interaction before, that went away by disabling uBlock Origin for that site.

Does the issue reproduce with uBlock Origin disabled?

Comment 8

[Chris Murphy]

It does not reproduce when uBlock Origin is disabled for this one site. Sample size of 1 :)

Comment 9

[[e-mail]]

when uBlock Origin is disabled

I can't reproduce with uBO enabled when using default settings/lists.

Did you enable more filter lists beyond the default ones? Do you have custom filters/rules?

Somebody posted a similar-sounding issue on uBO's issue tracker (also for a recipes site), but the person ended up saying that customization to Firefox Enhanced Tracking protection was causing the issue without further details unfortunately.

Comment 10

[Chris Murphy]

Did you enable more filter lists beyond the default ones?
No
Do you have custom filters/rules?
No

I also can't immediately reproduce if I merely restart Firefox with uBO enabled. There's some additional state change that happens as a pre-condition to trigger the issue in addition to (I guess) uBO blocking something.

Comment 11

[Botond Ballo [:botond]]

Safe to say the issue is not related to scrolling, but rather something networking-related and possibly an issue with the uBO addon.

Comment 12

[BugBot [:suhaib / :marco/ :calixte]]

The Bugbug bot thinks this bug should belong to the 'Core::Widget: Gtk' component, and is moving the bug to that component. Please revert this change in case you think the bot is wrong.

Comment 13

[BugBot [:suhaib / :marco/ :calixte]]

The product::component has been changed since the backlog priority was decided, so we're resetting it.
For more information, please visit auto_nag documentation.

Comment 14

[Botond Ballo [:botond]]

Bad bot.