[Bug 591042] Re: apt_check.py crashed with SIGSEGV in pkgCache::FindPkg()

[Robert Roth]

More detailed stacktrace can be found in a duplicate, see https://bugs.launchpad.net/ubuntu/+source/update-notifier/+bug/618990/+attachment/1561751/+files/Stacktrace.txt.
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https://bugs.launchpad.net/bugs/591042

Title:
  apt_check.py crashed with SIGSEGV in pkgCache::FindPkg()

Status in “update-notifier” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: update-notifier

  on Lubuntu 10.04 (originally ubuntu, i then added lubuntu-desktop)

  ProblemType: Crash
  DistroRelease: Ubuntu 10.04
  Package: update-notifier-common 0.99.3
  ProcVersionSignature: Ubuntu 2.6.32-22.36-generic 2.6.32.11+drm33.2
  Uname: Linux 2.6.32-22-generic i686
  Architecture: i386
  CheckboxSubmission: 7bf4676ac92338d1d362954586c33b04
  CheckboxSystem: bd9978d0ff03d4f55482fc24a6cdac35
  Date: Tue Jun  8 09:24:20 2010
  ExecutablePath: /usr/lib/update-notifier/apt_check.py
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100328)
  InterpreterPath: /usr/bin/python2.6
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/lib/update-notifier/apt-check
  ProcEnviron:
   LANG=fr_FR.utf8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0xe2a47e <_ZN8pkgCache7FindPkgERKSs+110>:	movzbl (%edx),%eax
   PC (0x00e2a47e) ok
   source "(%edx)" (0x1c23c061) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: update-notifier
  StacktraceTop:
   pkgCache::FindPkg(std::string const&) ()
   pkgCacheGenerator::NewPackage(pkgCache::PkgIterator&, std::string const&) () from /usr/lib/libapt-pkg-libc6.10-6.so.4.8
   pkgCacheGenerator::MergeList(pkgCacheGenerator::ListParser&, pkgCache::VerIterator*) () from /usr/lib/libapt-pkg-libc6.10-6.so.4.8
   debStatusIndex::Merge(pkgCacheGenerator&, OpProgress&) const
   ?? () from /usr/lib/libapt-pkg-libc6.10-6.so.4.8
  Title: apt_check.py crashed with SIGSEGV in pkgCache::FindPkg()
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

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