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[Bug 1436626] Re: aptd crashed with SIGSEGV in _IO_vfprintf_internal()

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From: Launchpad Bug Tracker <1436626@xxxxxxxxxxxxxxxxxx>
Date: Tue, 07 Apr 2015 14:53:06 -0000
Reply-to: Bug 1436626 <1436626@xxxxxxxxxxxxxxxxxx>
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** Branch linked: lp:ubuntu/vivid-proposed/apt

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https://bugs.launchpad.net/bugs/1436626

Title:
  aptd crashed with SIGSEGV in _IO_vfprintf_internal()

Status in apt package in Ubuntu:
  Fix Committed

Bug description:
  Errors Bucket
  -------------
  https://errors.ubuntu.com/problem/4d8c3bd9e5dfe8ccfe2783d6d12c7c5cb88b8cd9

  sudo apt-get upgrade -y

  ProblemType: CrashDistroRelease: Ubuntu 15.04
  Package: aptdaemon 1.1.1+bzr981-0ubuntu2
  ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
  Uname: Linux 3.19.0-9-generic x86_64
  ApportVersion: 2.16.2-0ubuntu4
  Architecture: amd64
  Date: Thu Mar 26 02:04:25 2015
  ExecutablePath: /usr/sbin/aptd
  InstallationDate: Installed on 2015-02-27 (26 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  InterpreterPath: /usr/bin/python3.4
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/sbin/aptd
  ProcEnviron: LANG=C.UTF-8
  SegvAnalysis:
   Segfault happened at: 0x7fba78fec4b2 <_IO_vfprintf_internal+18578>:	repnz scas %es:(%rdi),%al
   PC (0x7fba78fec4b2) ok
   source "%es:(%rdi)" (0x00000006) not located in a known VMA region (needed readable region)!
   destination "%al" ok
  SegvReason: reading NULL VMA
  Signal: 11SourcePackage: aptdaemon
  StacktraceTop:
   _IO_vfprintf_internal (s=s@entry=0x217fbd0, format=<optimized out>, ap=ap@entry=0x7ffc20027548) at vfprintf.c:1642
   ___fprintf_chk (fp=0x217fbd0, 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: aptd crashed with SIGSEGV in _IO_vfprintf_internal()
  UpgradeStatus: Upgraded to vivid on 2015-03-07 (18 days ago)
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