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Issue 812281 link

Starred by 1 user
Status: Available
Owner: ----
Cc:
█ krajshree@chromium.org
szager@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug



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Wrong scrollbar position

Reported by maksymde...@gmail.com, Feb 14 2018 
UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.167 Safari/537.36

Steps to reproduce the problem:
Check this jsbin please : https://jsbin.com/larofuy/edit?html,css,output

1. Open a popup using position fixed and force a scrollbar.
2. Open a child popup using using position fixed too with a greater z-index value.
3. The scrollbar from the first popup is not hided by the second popup body.

What is the expected behavior?
The scrollbar from the first popup is hided by the second popup body.

What went wrong?
Scrollbar position

Did this work before? N/A 

Does this work in other browsers? Yes

Chrome version: 64.0.3282.167  Channel: n/a
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version:

Comment 1 by manoranj...@chromium.org, Feb 15 2018

Labels: Needs-Triage-M64

Comment 2 by nainar@chromium.org, Feb 15 2018

Labels: Needs-Feedback
Hi, Could you provide a video of the expected and observed behaviour? I don't understand from the description seen here.

Comment 3 by krajshree@chromium.org, Feb 15 2018

Cc: krajshree@chromium.org
Labels: Triaged-ET
Upon navigating to the url provided https://jsbin.com/larofuy/edit?html,css,output shows an unsafe site. On proceeding to unsafe site shows all links and site doesn't render properly.

maksymdemidas@ - Could you please provide any other sample url/test file to test the issue from TE-end. Also please respond to comment #2.

Thanks..!!

Comment 4 by maksymde...@gmail.com, Feb 15 2018 

Just compare chrome and FF rendering in provided screenshots. Complete demo is included in the demo.html page.

Thank you.
firefox rendering.png
15.4 KB View Download
demo.html
960 bytes View Download

Comment 5 by maksymde...@gmail.com, Feb 15 2018 

Right chrome rendering screenshot :-)
chrome rendering.png
18.9 KB View Download
Project Member

Comment 6 by sheriffbot@chromium.org, Feb 15 2018

Cc: nainar@chromium.org
Labels: -Needs-Feedback
Thank you for providing more feedback. Adding requester "nainar@chromium.org" to the cc list and removing "Needs-Feedback" label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Comment 7 by nainar@chromium.org, Feb 15 2018

Components: -Blink>CSS Blink>Layout>Scrollbars
Status: Untriaged (was: Unconfirmed)

Comment 8 by e...@chromium.org, Feb 15 2018

Cc: -nainar@chromium.org szager@chromium.org
Status: Available (was: Untriaged)

Comment 9 by szager@chromium.org, Feb 15 2018

Components: -Blink>Layout>Scrollbars Blink>Paint
This looks like a paint bug to me

Comment 10 by schenney@chromium.org, Feb 15 2018

Components: -Blink>Paint Blink>Compositing
Labels: -Needs-Triage-M64
Compositing, but yeah, it's on us. We get the hit test right, but not the painting.
cr812281.html
844 bytes View Download
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