apt-get crashed with SIGSEGV in __fprintf_chk()

[TheMixtureMedia]

Binary package hint: apt

not sure

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: apt 0.7.25.3ubuntu9
ProcVersionSignature: Ubuntu 2.6.35-6.9-generic 2.6.35-rc3
Uname: Linux 2.6.35-6-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Mon Jul 5 09:08:56 2010
ExecutablePath: /usr/bin/apt-get
ProcCmdline: apt-get install rhythmbox
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.utf8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f358987d14f <__fprintf_chk+95>: cmpw $0x0,(%rdi)
 PC (0x7f358987d14f) ok
 source "$0x0" ok
 destination "(%rdi)" (0x00000000) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: apt
StacktraceTop:
 __fprintf_chk () from /lib/libc.so.6
 pkgDPkgPM::CloseLog() ()
 pkgDPkgPM::Go(int) ()
 pkgPackageManager::DoInstallPostFork(int) ()
 ?? ()
Title: apt-get crashed with SIGSEGV in __fprintf_chk()
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 ___fprintf_chk (fp=0x0, flag=1, format=0x7f358a554ce6 "End-Date: %s\n")
 pkgDPkgPM::CloseLog (this=<value optimized out>)
 pkgDPkgPM::Go (this=0x26b1f60,
 pkgPackageManager::DoInstallPostFork (
 InstallPackages (Cache=<value optimized out>,