[Bug 1512622] Re: Valgrind suppressions don't work on 64-bit systems

[Matthias Klose]

** Also affects: python-defaults (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Changed in: python-defaults (Ubuntu)
       Status: Incomplete => Triaged

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https://bugs.launchpad.net/bugs/1512622

Title:
  Valgrind suppressions don't work on 64-bit systems

Status in python-defaults package in Ubuntu:
  Triaged
Status in python-defaults source package in Xenial:
  New

Bug description:
  Hello!

  The Python package helpfully ships /usr/lib/valgrind/python.supp,
  which is basically the upstream Valgrind suppressions file with some
  suppressions uncommented so they work on standard Python builds.

  Unfortunately those suppressions are tailored for 32-bit systems and
  therefore do not suppress false positive errors in
  PyObject_Free/PyObject_Realloc.

  See upstream bug http://bugs.python.org/issue12612 and upstream commit
  https://github.com/python/cpython/commit/9264faed068b87888a4605ce36bfc9d158515c42
  for the changes you need to do.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: python 2.7.9-1
  ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
  Uname: Linux 4.2.0-16-generic x86_64
  ApportVersion: 2.19.1-0ubuntu4
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Tue Nov  3 11:02:23 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-07-25 (1195 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  SourcePackage: python-defaults
  UpgradeStatus: Upgraded to wily on 2015-10-22 (11 days ago)

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