apt_check.py crashed with SIGSEGV in pkgDepCache::UpdateVerState()

[SoftExpert]

checking for updates

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: update-notifier-common 0.117ubuntu1
Uname: Linux 3.1.0-0301rc4-generic x86_64
NonfreeKernelModules: wl fglrx
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Tue Sep 20 20:39:42 2011
ExecutablePath: /usr/lib/update-notifier/apt_check.py
InstallationMedia: Kubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110303)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/lib/update-notifier/apt-check
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
 LANGUAGE=
SegvAnalysis:
 Segfault happened at: 0x7f1aaec68c4e <_ZN11pkgDepCache14UpdateVerStateEN8pkgCache11PkgIteratorE+174>: mov 0x18(%rax),%eax
 PC (0x7f1aaec68c4e) ok
 source "0x18(%rax)" (0x24000018) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: update-notifier
StacktraceTop:
 pkgDepCache::UpdateVerState(pkgCache::PkgIterator) () from /usr/lib/libapt-pkg.so.4.11
 pkgDepCache::Update(OpProgress*) () from /usr/lib/libapt-pkg.so.4.11
 pkgDepCache::Init(OpProgress*) () from /usr/lib/libapt-pkg.so.4.11
 pkgCacheFile::BuildDepCache(OpProgress*) () from /usr/lib/libapt-pkg.so.4.11
 pkgCacheFile::Open(OpProgress*, bool) () from /usr/lib/libapt-pkg.so.4.11
Title: apt_check.py crashed with SIGSEGV in pkgDepCache::UpdateVerState()
UpgradeStatus: Upgraded to oneiric on 2011-09-02 (18 days ago)
UserGroups: adm admin cdrom dialout fuse lpadmin netdev plugdev sambashare saned vboxusers www-data
modified.conffile..etc.apt.apt.conf.d.10periodic:
 APT::Periodic::Download-Upgradeable-Packages "0";
 APT::Periodic::Unattended-Upgrade "0";
 APT::Periodic::Update-Package-Lists "1";
 APT::Periodic::AutocleanInterval "1";
mtime.conffile..etc.apt.apt.conf.d.10periodic: 2011-09-02T03:28:32.016530

[Apport retracing service (apport)]

StacktraceTop:
 DependsList (this=<optimized out>) at ../build/include/apt-pkg/cacheiterators.h:430
 pkgDepCache::UpdateVerState (this=0x1ff2e30, Pkg=<optimized out>) at depcache.cc:646
 pkgDepCache::Update (this=0x1ff2e30, Prog=0x7fff06cf59f0) at depcache.cc:695
 pkgDepCache::Init (this=0x1ff2e30, Prog=0x7fff06cf59f0) at depcache.cc:158
 pkgCacheFile::BuildDepCache (this=0x1fefe90, Progress=0x7fff06cf59f0) at cachefile.cc:140

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Carter Kinaschuk (cjkinaschuk)]

Any updates/solutions to this bug?