gksu crashed with SIGSEGV in fputs()

[piotrekw1]

I do not know what is causing

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gksu 2.0.2-6ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-3.8-generic 3.2.0-rc4
Uname: Linux 3.2.0-3-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.90-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Wed Dec 7 09:02:44 2011
ExecutablePath: /usr/bin/gksu
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcCmdline: /usr/bin/gksu --message <span\ weight="bold"\ size="larger">Proszę\ wprowadzić\ hasło,\ aby\ uzyskać\ dostęp\ do\ raportów\ o\ problemach\ w\ systemie</span> /usr/share/apport/apport-gtk
ProcEnviron:
 PATH=(custom, no user)
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f52228966a1: movdqu (%rdi),%xmm1
 PC (0x7f52228966a1) ok
 source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%xmm1" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gksu
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 fputs () from /lib/x86_64-linux-gnu/libc.so.6
 gksu_sudo_fuller () from /usr/lib/libgksu2.so.0
 ?? ()
 __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
Title: gksu crashed with SIGSEGV in fputs()
UpgradeStatus: Upgraded to precise on 2011-12-06 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[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 #901531, 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.