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[Bug 1378361] Re: Crash in CUPS connection code when printing

 

The attachment "Fix crash that occurs if the CUPS library sets printers
to zero." seems to be a patch.  If it isn't, please remove the "patch"
flag from the attachment, remove the "patch" tag, and if you are a
member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by
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** Tags added: patch

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https://bugs.launchpad.net/bugs/1378361

Title:
  Crash in CUPS connection code when printing

Status in “qt4-x11” package in Ubuntu:
  New

Bug description:
  Under certain circumstances the CUPS library can invalidate the
  pointer to the structure describing the available printers. When this
  happens, attempts to print via CUPS in an application can lead to a
  crash due to a lack of checking in the QCUPSSupport code. The attached
  patch works around this problem by adding checks to avoid the crash
  but cannot, of course, do anything about the invalidation of the
  printers structure.

  The patch has also been submitted upstream, without progress:
  https://codereview.qt-project.org/#/c/79782/1

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: libqtgui4 4:4.8.1-0ubuntu4.8
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu17.7
  Architecture: amd64
  Date: Tue Oct  7 15:13:37 2014
  MarkForUpload: True
  SourcePackage: qt4-x11
  UpgradeStatus: No upgrade log present (probably fresh install)

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References