[Bug 1067056] Re: apt-get crashed with SIGSEGV during installation in pkgCacheGenerator::NewVersion ()

[Colin Watson]

** Changed in: apt (Ubuntu Quantal)
       Status: Confirmed => In Progress

** Changed in: apt (Ubuntu Quantal)
     Assignee: (unassigned) => Colin Watson (cjwatson)

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Title:
  apt-get crashed with SIGSEGV during installation in
  pkgCacheGenerator::NewVersion ()

Status in “apt” package in Ubuntu:
  Fix Committed
Status in “apt” source package in Quantal:
  Fix Committed

Bug description:
  Quantal Desktop 20121015.2

  TEST CASE
  1. Enable "Free Software Only" in the boot menu
  2. Proceed with installation with the defaults

  ACTUAL RESULT
  Installation stops with
  plugininstall.p[7036]: segfault at 7fc5aa977bf0 ip 00007fc5b40cf69d sp 00007fff71f815f0 error 6 in libapt-pkg.so.4.12.0[7fc5b403e000+11b000]

  """
  pkgCacheGenerator::NewVersion (this=this at entry=0x7fffffffd520, Ver=..., VerStr=..., Next=0) at pkgcachegen.cc:731
  pkgCacheGenerator::MergeListVersion (this=this at entry=0x7fffffffd520, List=..., Pkg=..., Version=..., OutVer=@0x7fffffffc668: 0x0) at pkgcachegen.cc:377
  pkgCacheGenerator::MergeList (this=0x7fffffffd520, List=..., OutVer=0x0) at pkgcachegen.cc:222
  debPackagesIndex::Merge (this=0x659c40, Gen=..., Prog=<optimized out>) at deb/debindexfile.cc:327
  BuildCache (Gen=..., Progress=Progress at entry=0x7fffffffd760, CurrentSize=@0x7fffffffd4c8: 70817943, TotalSize=TotalSize at entry=121542502, Start=..., End=...) at pkgcachegen.cc:1184
  pkgCacheGenerator::MakeStatusCache (List=..., Progress=0x7fffffffd760, OutMap=0x7fffffffd8b0, AllowMem=<optimized out>) at pkgcachegen.cc:1376
  pkgCacheFile::BuildCaches (this=0x7fffffffd8a0, Progress=0x7fffffffd760, WithLock=true) at cachefile.cc:83
  CacheFile::BuildCaches (this=this at entry=0x7fffffffd8a0, WithLock=WithLock at entry=true) at apt-get.cc:101
  DoUpdate (CmdL=...) at apt-get.cc:1688
  CommandLine::DispatchArg (this=0x7fffffffde50, Map=<optimized out>, NoMatch=<optimized out>) at contrib/cmndline.cc:339
  main (argc=<optimized out>, argv=0x7fffffffe6c8) at apt-get.cc:3602
  """

  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: ubiquity 2.12.12
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  Uname: Linux 3.5.0-17-generic x86_64
  ApportVersion: 2.6.1-0ubuntu3
  Architecture: amd64
  CasperVersion: 1.328
  Date: Mon Oct 15 22:02:13 2012
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity initrd=/casper/initrd.lz quiet splash --  apt-setup/restricted=false apt-setup/multiverse=false
  LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121015.2)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   LANG=en_US.UTF-8
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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