[Bug 985824] Re: add-apt-repository crashed with SIGSEGV in visit_decref()

[Robert Roth]

Thanks for taking the time to report this bug and helping to make Ubuntu
better. We appreciate the difficulties you are facing, but this appears
to be a "regular" (non-security) bug. I have unmarked it as a security
issue since this bug does not show evidence of allowing attackers to
cross privilege boundaries nor directly cause loss of data/privacy.
Please feel free to report any other bugs you may find.

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Title:
  add-apt-repository crashed with SIGSEGV in visit_decref()

Status in “software-properties” package in Ubuntu:
  New

Bug description:
  ...

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: python-software-properties 0.82.7
  Uname: Linux 3.3.0-030300-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.0.1-0ubuntu5
  Architecture: amd64
  CrashCounter: 1
  Date: Thu Apr 19 18:11:00 2012
  ExecutablePath: /usr/bin/add-apt-repository
  InstallationMedia: Ubuntu 10.04.3 LTS "Lucid Lynx" - Release amd64 (20110719.2)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/apt-add-repository
  ProcEnviron:
   PATH=(custom, no user)
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x556590:	mov    0x8(%rdi),%rax
   PC (0x00556590) ok
   source "0x8(%rdi)" (0x7f396a8bd728) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: software-properties
  StacktraceTop:
   ?? ()
   ?? ()
   ?? ()
   _PyObject_GC_Malloc ()
   PyTuple_New ()
  Title: add-apt-repository crashed with SIGSEGV in _PyObject_GC_Malloc()
  UpgradeStatus: Upgraded to precise on 2012-04-18 (1 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare scanner src vboxusers

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