reportbug crashed with IOError in ewrite(): [Errno 5] Input/output error

apport automatically did this.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: reportbug 6.4.3ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-17.27-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu1
Architecture: amd64
Date: Sat Oct 6 11:50:59 2012
ExecutablePath: /usr/bin/reportbug
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/reportbug --no-check-available --no-check-installed --pseudo-header User:\ <email address hidden> --pseudo-header Usertags:\ origin-ubuntu\ quantal\ ubuntu-patch --tag patch --attach /tmp/tmpaBZpPj/bumprace_1.5.4-1ubuntu1.debdiff --bts debian --include /tmp/tmpaBZpPj/bug_body --package-version 1.5.4-1 bumprace
PythonArgs: ['/usr/bin/reportbug', 'bumprace']
SourcePackage: reportbug
Title: reportbug crashed with IOError in ewrite(): [Errno 5] Input/output error
UpgradeStatus: Upgraded to quantal on 2012-10-05 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo