file-roller crashed with SIGSEGV in ffi_call_SYSV()

Was attempting to extract .deb packages in Thunar but got a crash several times. Just rebooted from a full update, FYI.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: file-roller 3.6.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-17.27-generic 3.5.5
Uname: Linux 3.5.0-17-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.6.1-0ubuntu2
Architecture: i386
CrashCounter: 1
Date: Wed Oct 10 02:52:58 2012
ExecutablePath: /usr/bin/file-roller
InstallationMedia: Xubuntu 12.10 "Quantal Quetzal" - Beta i386 (20120926)
ProcCmdline: file-roller --extract-to=/home/username/Downloads --extract-here --force /home/username/Downloads/atolm-theme_0.7.5-0ubuntu1~natty+aptbuild1_all.deb /home/username/Downloads/atolm-xfwm4-decorators_0.7.5-0ubuntu1~natty+aptbuild1_all.deb /home/username/Downloads/faenza-icon-theme_1.2+aptbuild1_all.deb /home/username/Downloads/faience-icon-theme_0.3+aptbuild1_all.deb /home/username/Downloads/gtk2-engines-equinox_1.50-0ubuntu2+aptbuild1_amd64.deb /home/username/Downloads/orta-settings-manager_1.4-0ubuntu1~natty+aptbuild1_all.deb /home/username/Downloads/orta-theme_1.4.1-0ubuntu1~natty+aptbuild1_all.deb /home/username/Downloads/orta-xfwm4-decorators_1.2-0ubuntu1~natty1+aptbuild1_all.deb
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x80616a5: mov 0xc(%ebx),%edi
 PC (0x080616a5) ok
 source "0xc(%ebx)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%edi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: file-roller
StacktraceTop:
 ?? ()
 ?? ()
 ?? ()
 ?? ()
 ffi_call_SYSV () from /usr/lib/i386-linux-gnu/libffi.so.6
Title: file-roller crashed with SIGSEGV in ffi_call_SYSV()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo