[Bug 980656] Re: update-manager crashed with SIGSEGV in pkgPolicy::GetCandidateVer()

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: update-manager (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/980656

Title:
  update-manager crashed with SIGSEGV in pkgPolicy::GetCandidateVer()

Status in “update-manager” package in Ubuntu:
  Confirmed

Bug description:
  update-manager

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.11
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu2
  Architecture: amd64
  CrashCounter: 1
  Date: Fri Apr 13 11:49:06 2012
  ExecutablePath: /usr/bin/update-manager
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1334310546
   com.ubuntu.update-manager window-height 500
   com.ubuntu.update-manager window-width 600
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120319)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/update-manager
  ProcEnviron:
   PATH=(custom, no user)
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7fd55268a91e <_ZN9pkgPolicy15GetCandidateVerERKN8pkgCache11PkgIteratorE+366>:	testb  $0x1,0x38(%rax)
   PC (0x7fd55268a91e) ok
   source "$0x1" ok
   destination "0x38(%rax)" (0x7fd57d4f8bd0) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: update-manager
  StacktraceTop:
   pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
   pkgDepCache::Init(OpProgress*) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
   pkgCacheFile::BuildDepCache(OpProgress*) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
   pkgCacheFile::Open(OpProgress*, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
   ?? () from /usr/lib/python2.7/dist-packages/apt_pkg.so
  Title: update-manager crashed with SIGSEGV in pkgPolicy::GetCandidateVer()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lp lpadmin plugdev sambashare sudo

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