[Bug 1549819] [NEW] SIGSEGV when reloading cache after setting architecture

[Adam Collard]

Public bug reported:

When reloading the cache, after setting an architecture, the Python
process segfaults.

Simple script to reproduce is at: http://paste.ubuntu.com/15197359/

Tested on a Xenial LXD with Wily host (on the host, the script doesn't
trigger the segfault).

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: python-apt 1.1.0~beta1build1
ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
Date: Thu Feb 25 14:09:39 2016
ProcEnviron:
 TERM=screen
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: python-apt
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: landscape-client (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: python-apt (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug xenial

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https://bugs.launchpad.net/bugs/1549819

Title:
  SIGSEGV when reloading cache after setting architecture

Status in landscape-client package in Ubuntu:
  New
Status in python-apt package in Ubuntu:
  New

Bug description:
  When reloading the cache, after setting an architecture, the Python
  process segfaults.

  Simple script to reproduce is at: http://paste.ubuntu.com/15197359/

  Tested on a Xenial LXD with Wily host (on the host, the script doesn't
  trigger the segfault).

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: python-apt 1.1.0~beta1build1
  ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
  Uname: Linux 4.2.0-27-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  Date: Thu Feb 25 14:09:39 2016
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: python-apt
  UpgradeStatus: No upgrade log present (probably fresh install)

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