Huge PNG corruption
Reported by
dch...@gmail.com,
Jul 17 2016
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Issue descriptionUserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36 Example URL: Steps to reproduce the problem: Open the attached 800x100000 PNG (original.png), containing black horizontal lines of slightly different lengths. What is the expected behavior? See the correct image. See a screenshot from Safari (good_safari.png) for the proper (zoomed) image. What went wrong? In most cases, Chrome displays blank image. In other cases (can't figure out the specific instances), it shows some colorful random noise (see bad_chrome.png) [uninitialized memory?] Does it occur on multiple sites: Yes Is it a problem with a plugin? No Did this work before? N/A Does this work in other browsers? Yes Chrome version: 51.0.2704.106 Channel: stable OS Version: OS X 10.11.5 Flash Version: Images was created with Go image/png package, and I believe is correct. OS X Preview can display it, Safari can display it (although they are probably using the same graphics engine?), Shotwell in CentOS 7 can display it, and Nautilus file manager can make thumbnail. Firefox refuses to display it, showing "“image cannot be displayed because it contains error”. ImageMagick refuses to convert it to JPG: convert: Maximum supported image dimension is 65500 pixels `original-converted.jpg' @ error/jpeg.c/JPEGErrorHandler/322. Also tested with Canary Version 54.0.2799.0 canary (64-bit) — same result.
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Jul 18 2016
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Jul 18 2016
Able to repro this issue on Windows 7, MAC (10.11.5) & Ubuntu Trusty (14.04) for Google Chrome Stable Version - 51.0.2704.106 This is a Non-Regression issue existing from M30 - # 30.0.1549.0
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Jul 18 2016
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Comment 1 by dch...@gmail.com
, Jul 17 2016