[Bug 1714596] Re: PDF images are blank

[Mathew Hodson]

** Tags added: regression-release

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Title:
  PDF images are blank

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[Bug 1714596] Re: PDF images are blank

[Launchpad Bug Tracker]

This bug was fixed in the package poppler - 0.57.0-2ubuntu3

---
poppler (0.57.0-2ubuntu3) artful; urgency=medium

  * debian/rules:
- build with --enable-libopenjpeg=unmaintained which makes the poppler
  openjpeg parser used as it was in Ubuntu until now. Upstream doesn't
  recommend that but the libopenjpeg MIR has still not been approved and
  without a parser some documents are rendered as blank. (lp: #1714596)

 -- Sebastien Bacher   Mon, 09 Oct 2017 19:31:17
+0200

** Changed in: poppler (Ubuntu)
   Status: In Progress => Fix Released

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[Bug 1714596] Re: PDF images are blank

[Leonidas S. Barbosa]

Ok, I could reproduce seems that it has some regression in libpoppler-
glib8. If you downgrade only this .deb for (https://launchpad.net
/~ubuntu-security/+archive/ubuntu/ppa/+build/13046914/+files/libpoppler-
glib8_0.48.0-2ubuntu2.1_amd64.deb) things will works fine.

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[Bug 1714596] Re: PDF images are blank

[Sebastien Bacher]

Right, let's upload a build with --enable-libopenjpeg=unmaintained for
this cycle and try to get the external library promoted next cycle

** Changed in: poppler (Ubuntu)
   Importance: Undecided => High

** Changed in: poppler (Ubuntu)
   Status: Confirmed => In Progress

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[Bug 1714596] Re: PDF images are blank

[Leonidas S. Barbosa]

I don't think poppler is the issue here, I've tested this in artful
with: evince 3.24.1-ubuntu2 and libpoppler68 0.57.0-2ubuntu2 and
couldn't reproduce this issue. https://imgur.com/a/YyDZD

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[Bug 1714596] Re: PDF images are blank

[Nick Moffitt]

This bug makes the PDF viewer all but useless in artful.  Can we hope to
see a bug fix before release?

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[Bug 1714596] Re: PDF images are blank

[Seth Arnold]

Even Rouault has been checking in a huge number of fixes for upstream
openjpeg, and he's been remarkably responsive to Agostino Sarubbo's
fuzzing efforts. I suspect the next time I review the openjpeg codebase
I'll find something far more sustainable than the last time around.

Thanks

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[Bug 1714596] Re: PDF images are blank

[Bryan Quigley]

The internal openjpeg parser has been disabled by default and can be re-
enabled by passing --enable-libopenjpeg=unmaintained - I tested this and
it fixes this bug.

It is not only unmaintained and not recommended to use but they mention
having known security issues with the code (and perhaps no plans to
fix*).
https://lists.freedesktop.org/archives/poppler/2017-May/012229.html

Adding security team as I'd definitely want their opinion before moving
forward.

*It appears at least one likely related CVE was fixed by security team -
"fix NULL pointer dereference in JPXStream::readUByte" but not
upstreamed.

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[Bug 1714596] Re: PDF images are blank

[Sebastien Bacher]

> I don't understand why this is a regression if it was already
disabled...

when not using openjpeg poppler has its own parser, maybe there is a bug
in that code, would be worth upstreaming in any case

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[Bug 1714596] Re: PDF images are blank

[Bryan Quigley]

** Description changed:

- 1. Download this PDF - 
http://www.dvrpc.org/Connections2045/pdf/2045_DRAFT_Plan_for_Public_Comment.pdf
+ 1. Download a PDFs with images such as - 
+ 
http://www.dvrpc.org/Connections2045/pdf/2045_DRAFT_Plan_for_Public_Comment.pdf
+ 
http://www.hopkinsmedicine.org/human_resources/_docs/employee_handbook_non-union_non-represented.pdf
+ http://humanservices.arkansas.gov/dccece/classroom_docs/carseatsafety.pdf
+ 
  2. Open in Evince, note how first page is blank
  
  Open with Firefox and note how it displays a nice intro page.
  
  Ubuntu 17.04 LiveCD works fine
  Ubuntu 17.10 LiveCD does not
  
  For Evince Zesty (3.24.0) vs Artful (3.24.1) which might be any easy thing to 
rule out. (I also tried the artful -proposed evince which has the issue too)
  For Poppler Zesty (0.48.0) vs Artful (0.57.0) so my guess is bug is in 
poppler.
  
  Given my testing in Fedora (C#2) which worked fine with same version of
  poppler and by downgrading the packages I believe this a Ubuntu specific
  poppler bug.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: evince 3.24.1-0ubuntu2
  ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
  Uname: Linux 4.12.0-12-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.7-0ubuntu1
  Architecture: amd64
  CurrentDesktop: LXDE
  Date: Fri Sep  1 17:22:35 2017
  SourcePackage: evince
  UpgradeStatus: Upgraded to artful on 2017-07-26 (37 days ago)

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[Bug 1714596] Re: PDF images are blank

[Bryan Quigley]

Looks like enabling openjpeg2 would need an old MIR approved first.  Got many 
negative security reviews in the past.
https://bugs.launchpad.net/ubuntu/+source/openjpeg2/+bug/711061

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[Bug 1714596] Re: PDF images are blank

[Bryan Quigley]

Rebuilding with openjpeg enabled fixed it - which is similar to this
bug- https://bugs.launchpad.net/ubuntu/+source/poppler/+bug/710412.

I don't understand why this is a regression if it was already
disabled...

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[Bug 1714596] Re: PDF images are blank

[Simon Quigley]

It doesn't seem like Fedora Rawhide has any (new) patches modifying
poppler at all: https://src.fedoraproject.org/rpms/poppler/tree/f27

There also doesn't seem to be any relevant patches in the Ubuntu
packaging...

Otherwise, I can reproduce.

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[Bug 1714596] Re: PDF images are blank

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: poppler (Ubuntu)
   Status: New => Confirmed

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[Bug 1714596] Re: PDF images are blank

[Bryan Quigley]

Downgrading* to poppler on zesty-updates fixed the issue, looks like
it's an Ubuntu specific poppler regression.

*get and install zesty versions and it's fixed
http://mirrors.kernel.org/ubuntu/pool/main/p/poppler/libpoppler-cpp0v5_0.48.0-2ubuntu2.1_amd64.deb
 
http://mirrors.kernel.org/ubuntu/pool/main/p/poppler/libpoppler-glib8_0.48.0-2ubuntu2.1_amd64.deb
  
http://mirrors.kernel.org/ubuntu/pool/main/p/poppler/libpoppler64_0.48.0-2ubuntu2.1_amd64.deb
 
http://mirrors.kernel.org/ubuntu/pool/main/p/poppler/poppler-utils_0.48.0-2ubuntu2.1_amd64.deb

** Package changed: evince (Ubuntu) => poppler (Ubuntu)

** Description changed:

  1. Download this PDF - 
http://www.dvrpc.org/Connections2045/pdf/2045_DRAFT_Plan_for_Public_Comment.pdf
  2. Open in Evince, note how first page is blank
  
  Open with Firefox and note how it displays a nice intro page.
  
  Ubuntu 17.04 LiveCD works fine
  Ubuntu 17.10 LiveCD does not
  
  For Evince Zesty (3.24.0) vs Artful (3.24.1) which might be any easy thing to 
rule out. (I also tried the artful -proposed evince which has the issue too)
  For Poppler Zesty (0.48.0) vs Artful (0.57.0) so my guess is bug is in 
poppler.
  
- My planned next steps
- 1. Rule out Evince (test other version) or find something else that uses 
poppler to confirm
- 2. Rule it being an Ubuntu specific issue
- 2. Ideally bisect if a poppler bug a bit more
- 3. Report an upstream bug
+ Given my testing in Fedora (C#2) which worked fine with same version of
+ poppler and by downgrading the packages I believe this a Ubuntu specific
+ poppler bug.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: evince 3.24.1-0ubuntu2
  ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8
  Uname: Linux 4.12.0-12-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.7-0ubuntu1
  Architecture: amd64
  CurrentDesktop: LXDE
  Date: Fri Sep  1 17:22:35 2017
  SourcePackage: evince
  UpgradeStatus: Upgraded to artful on 2017-07-26 (37 days ago)

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[Bug 1714596] Re: PDF images are blank

[Bryan Quigley]

Hmm.. Looking either Ubuntu specific or not poppler/evince related.

Fedora rawhide (or 27) with poppler 0.57 and evince 3.25.91 displays the
pictures fine.

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