apt-get crashed with SIGSEGV in _IO_vfprintf_internal()

[Kaanpakpum Kamonrotchai]

apt-fast upgrade

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: apt 1.0.9.7ubuntu3
Uname: Linux 4.0.0-040000rc5-lowlatency x86_64
ApportVersion: 2.16.2-0ubuntu5
Architecture: amd64
Date: Tue Mar 31 16:22:56 2015
ExecutablePath: /usr/bin/apt-get
InstallationDate: Installed on 2015-03-26 (5 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150322)
ProcCmdline: apt-get upgrade
SegvAnalysis:
 Segfault happened at: 0x7f20aa4d64b2 <_IO_vfprintf_internal+18578>: repnz scas %es:(%rdi),%al
 PC (0x7f20aa4d64b2) ok
 source "%es:(%rdi)" (0x00000076) not located in a known VMA region (needed readable region)!
 destination "%al" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: apt
StacktraceTop:
 _IO_vfprintf_internal (s=s@entry=0x7f20ad0fe8d0, format=<optimized out>, ap=ap@entry=0x7ffca622f448) at vfprintf.c:1642
 ___fprintf_chk (fp=0x7f20ad0fe8d0, flag=1, format=<optimized out>) at fprintf_chk.c:35
 pkgDPkgPM::WriteApportReport(char const*, char const*) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
 pkgDPkgPM::ProcessDpkgStatusLine(char*) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
 pkgDPkgPM::DoDpkgStatusFd(int) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
Title: apt-get crashed with SIGSEGV in _IO_vfprintf_internal()
UpgradeStatus: No upgrade log present (probably fresh install)
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 #1438515, 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.