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Iframe inside scrollable container bleedthrough.
Reported by
jan.pi...@gmail.com,
Mar 22 2018
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Issue descriptionUserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36 Steps to reproduce the problem: 1. crate page with following template html 2. point the iframe to some local or www site 3. scroll the scrollable area to see the bleedthrough ------- <html> <head> <title>iframe scroll issue</title> </head> <body style="padding:0;margin:0;font-family: sans-serif;"> <div style="height: 100vh;width: 100vw;background: #ddd;"> page BG </div> <div style="position:absolute;width:50vw;height:70vh;top:15vh;left:25vw;border: 1px solid black;overflow:auto;background: white;"> <div style="width: 100vw;height: 100px;padding: 10px;background: #cddc39;"> DIV inside absolutely positioned scrollable pane - all good, overflow works as expected </div> <p>Now Iframe - position: relative; or transform: scale(1); transform-origin; css break hiding of content overflowing</p> <div> <iframe style="width: 100vw;height: 300px;position: relative;transform: scale(1);transform-origin: 0px 0px 0px;left:10px;" src="http://localhost"></iframe> </div> <div style="color: red;margin-top:20px;"> One have to move the position:relative and transform: scale();transform-origin styles off the iframe to it's parent to fix the overflow! </div> </div> </body> </html> What is the expected behavior? content which is scrolled off the visible area should not bleed through ansd should be hidden What went wrong? content which is scrolled off the visible is visible Did this work before? Yes last of official 64 serie Does this work in other browsers? Yes Chrome version: 65.0.3325.181 Channel: stable OS Version: Mint Flash Version: no flash
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Mar 23 2018
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Mar 23 2018
Able to reproduce the issue on Win-10 and Ubuntu 14.04 using chrome reported version #65.0.3325.181 but the same is not reproducible in the latest canary #67.0.3378.0 and latest beta #66.0.3359.45. Issue is not seen in OS-Mac. Reverse Bisect Information: ===================== Good build: 67.0.3367.0 Bad Build : 67.0.3366.0 Change Log URL: https://chromium.googlesource.com/chromium/src/+log/95f838f6df160e4acfc83de7aa2f8ee477fa24d0..f5dc74a384d48f1a0929dc056cadae2a0019f8b5 From the above change log suspecting below change Change-Id: Iae77a367839f8dfccda817a31ab1cc988ecd0436 Reviewed-on: https://chromium-review.googlesource.com/956031 schenney@ - Could you please check and merge the fix to M-65 if it is a valid candidate. Adding RBS label as it seems to be a recent regression. Please feel free to remove the same if not appropriate. Thanks...!!
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Mar 23 2018
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Comment 1 by jan.pi...@gmail.com
, Mar 22 2018