synaptic crashed with SIGSEGV in __fprintf_chk()

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Binary package hint: synaptic

both aptitude and synaptic causes same error

ProblemType: Crash
Architecture: i386
Date: Thu Mar 4 19:38:16 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/sbin/synaptic
Package: synaptic 0.63.1ubuntu1
ProcCmdline: /usr/sbin/synaptic --hide-main-window --non-interactive --parent-window-id 81788968 -o Synaptic::closeZvt=true --progress-str Vent\ venligst,\ dette\ kan\ tage\ et\ stykke\ tid. --finish-str Opdatering\ fuldført --set-selections-file /tmp/tmpowo4GT
ProcEnviron:
 PATH=(custom, no user)
 LANG=da_DK.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-15.22-generic
SegvAnalysis:
 Segfault happened at: 0x109dca0 <__fprintf_chk+32>: cmpw $0x0,(%esi)
 PC (0x0109dca0) ok
 source "$0x0" ok
 destination "(%esi)" (0x00000000) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: synaptic
StacktraceTop:
 __fprintf_chk () from /lib/tls/i686/cmov/libc.so.6
 pkgDPkgPM::CloseLog() ()
 pkgDPkgPM::Go(int) ()
 pkgPackageManager::DoInstallPostFork(int) ()
 ?? ()
Title: synaptic crashed with SIGSEGV in __fprintf_chk()
Uname: Linux 2.6.32-15-generic i686
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 ___fprintf_chk (fp=0x0, flag=1, format=0x1c03d7 "End-Date: %s\n")
 pkgDPkgPM::CloseLog (this=0xa884930)
 pkgDPkgPM::Go (this=0xa884930, OutStatusFd=46)
 pkgPackageManager::DoInstallPostFork (this=0xa884930,
 RGDebInstallProgress::start (this=0xa84c008, pm=0xa884930,