[Bug 745529] Re: apt-get crashed with SIGSEGV in pkgDepCache::CheckDep()

[Robert Roth]

Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.
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Title:
  apt-get crashed with SIGSEGV in pkgDepCache::CheckDep()

Status in “apt” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: apt

  crashed while updating

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: apt 0.8.13ubuntu2
  ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
  Uname: Linux 2.6.38-7-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Mon Mar 21 20:31:31 2011
  ExecutablePath: /usr/bin/apt-get
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110319)
  ProcCmdline: apt-get install ubuntu-restriced-extras
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, no user)
   LANG=it_IT.UTF-8
   LANGUAGE=it_IT:en
  SegvAnalysis:
   Segfault happened at: 0x7f0c186b4041 <_ZN11pkgDepCache8CheckDepEN8pkgCache11DepIteratorEiRNS0_11PkgIteratorE+209>:	mov    (%r10),%r8d
   PC (0x7f0c186b4041) ok
   source "(%r10)" (0x7f0c15b84498) not located in a known VMA region (needed readable region)!
   destination "%r8d" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: apt
  StacktraceTop:
   pkgDepCache::CheckDep(pkgCache::DepIterator, int, pkgCache::PkgIterator&) () from /usr/lib/libapt-pkg.so.4.10
   pkgDepCache::DependencyState(pkgCache::DepIterator&) () from /usr/lib/libapt-pkg.so.4.10
   pkgDepCache::Update(OpProgress*) () from /usr/lib/libapt-pkg.so.4.10
   pkgDepCache::Init(OpProgress*) () from /usr/lib/libapt-pkg.so.4.10
   pkgCacheFile::BuildDepCache(OpProgress*) () from /usr/lib/libapt-pkg.so.4.10
  Title: apt-get crashed with SIGSEGV in pkgDepCache::CheckDep()
  UpgradeStatus: Upgraded to natty on 2011-03-26 (3 days ago)
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