nautilus crashed with SIGSEGV in g_main_context_dispatch()

[citosid]

I extracted an usb memory right before the crash

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: overlay-scrollbar 0.2.14-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-15.24-generic 3.2.5
Uname: Linux 3.2.0-15-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Wed Feb 15 17:50:57 2012
ExecutablePath: /usr/bin/nautilus
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
PackageArchitecture: all
ProcCmdline: nautilus -n
SegvAnalysis:
 Segfault happened at: 0x7f052fa17738: mov 0xac(%rbx),%ecx
 PC (0x7f052fa17738) ok
 source "0xac(%rbx)" (0xaaaaaaaaaaaaab56) not located in a known VMA region (needed readable region)!
 destination "%ecx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: overlay-scrollbar
StacktraceTop:
 ?? () from /usr/lib/liboverlay-scrollbar3-0.2.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: nautilus crashed with SIGSEGV in g_main_context_dispatch()
UpgradeStatus: Upgraded to precise on 2012-02-08 (7 days ago)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #907111, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.