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Issue 624510 link

Starred by 4 users
Status: Duplicate
Merged: issue 711984
Owner: ----
Closed: Sep 5
Cc:
ajha@chromium.org
npm@chromium.org
thestig@chromium.org
hnakashima@chromium.org
dsinclair@chromium.org
och...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug-Regression



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PDF Content Rendered Incorrectly

Reported by nm6...@g.rit.edu, Jun 29 2016 
UserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:47.0) Gecko/20100101 Firefox/47.0

Example URL:
http://www.defenseinnovationmarketplace.mil/resources/US_Fleet_Cyber_Command_Strategic_Plan_1520.pdf

Steps to reproduce the problem:
1. Navigate to http://www.defenseinnovationmarketplace.mil/resources/US_Fleet_Cyber_Command_Strategic_Plan_1520.pdf
2. Have Chrome PDF Viewer render the PDF file.

What is the expected behavior?
Content from the PDF is rendered correctly.

What went wrong?
Some content from the PDF is incorrectly rendered.

Does it occur on multiple sites: N/A

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Does this work in other browsers? Yes 

Chrome version: 51.0.2704.106 (Official Build) m (32-bit)  Channel: stable
OS Version: 10.0
Flash Version: Shockwave Flash 22.0 r0
chrome_pdf.png
234 KB View Download

Comment 1 by ajha@chromium.org, Jul 5 2016

Cc: ajha@chromium.org
Components: Blink>CSS
Labels: -Pri-2 -Type-Compat M-54 hasbisect Pri-1 Type-Bug-Regression
Owner: ericwilligers@chromium.org
Status: Assigned (was: Unconfirmed)
This repro's only for the very first time when the browser is launched and we start scrolling the pdf page when the page is loading.

I could reproduce the issue on the latest stable(51.0.2704.106) and the latest canary(54.0.2787.0) on Windows-7. Somehow couldn't repro on the latest stable(51.0.2704.106) on Mac OS 10.11.5 and Linux Ubuntu 14.04.

Based on the above scenario bisected this and found to be regressed in M-48 branch.

Last good build: 48.0.2564.76
First bad build: 48.0.2564.77

Changelog: https://chromium.googlesource.com/chromium/src/+log/48.0.2564.76..48.0.2564.77?pretty=fuller&n=10000

Suspected change: https://codereview.chromium.org/1480973002 by ericwilligers@.

ericwilligers@: Could you please take a look and check if the above change is related to this.

Thank you!

Comment 2 by ericwilligers@chromium.org, Jul 20 2016

Cc: jww@chromium.org ericwilligers@chromium.org
Owner: och...@chromium.org
I doubt my CL is relevant here. Perhaps https://codereview.chromium.org/1574913003
or one of jww's patches.

Comment 3 by och...@chromium.org, Jul 20 2016

Cc: och...@chromium.org thestig@chromium.org dsinclair@chromium.org
Components: -Blink>CSS Internals>Plugins>PDF
Owner: ----
I'm not a good owner for this (my CL is a merge of someone else's and shouldn't affect this). +some PDF folks.

Comment 4 by thestig@chromium.org, Sep 22 2016

Cc: -jww@chromium.org -ericwilligers@chromium.org npm@chromium.org
Labels: -Pri-1 -M-54 Pri-2
Status: Untriaged (was: Assigned)
On Linux, I saw a very minor text corruption one time with the word "warfighting" at the top of page 3, but not the massive font badness as shown in the screenshot in the initial bug report.

Comment 5 by dsinclair@chromium.org, Sep 22 2016 

npm@ has been investigating font issues. Interested in taking a look?

Comment 6 by npm@chromium.org, Oct 24 2016

Cc: -npm@chromium.org
Owner: npm@chromium.org
Status: Assigned (was: Untriaged)

Comment 7 by npm@chromium.org, Jun 14 2017

Cc: hnakashima@chromium.org
Another linearized PDF problem.

Comment 8 by earthso...@gmail.com, Jul 27 2017 

I may be hitting this when viewing https://www.library.cornell.edu/preservation/publications/PreservingBooks.pdf.

See my comment 12 on issue 711984.

Comment 9 by npm@chromium.org, Feb 16 2018

Cc: npm@chromium.org
Owner: dsinclair@chromium.org
Assigning all my PDF bugs to dsinclair@ for triaging. Will not be working on PDFium for a month.

Comment 10 by dsinclair@chromium.org, Sep 4

Owner: ----
Status: Untriaged (was: Assigned)
Setting PDF bugs assigned to me back to untriaged so they can get re-assigned as needed.

Comment 11 by hnakashima@chromium.org, Sep 5

Mergedinto: 711984
Status: Duplicate (was: Untriaged)
Duplicating into 711984 because original link for this is down, and it seems to be the same issue.
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