[Bug 981360] Re: synaptic crashed with SIGSEGV in pkgCacheGenerator::ListParser::NewProvides()

[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.

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/981360

Title:
  synaptic crashed with SIGSEGV in
  pkgCacheGenerator::ListParser::NewProvides()

Status in “apt” package in Ubuntu:
  Confirmed

Bug description:
  Synaptics crashed after doing a reload of the repo from the toolbar
  and download of the repo info.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: synaptic 0.75.9
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic x86_64
  ApportVersion: 2.0.1-0ubuntu2
  Architecture: amd64
  Date: Sat Apr 14 12:25:32 2012
  ExecutablePath: /usr/sbin/synaptic
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcCmdline: /usr/sbin/synaptic
  ProcEnviron:
   SHELL=/bin/bash
   LANG=en_HK.UTF-8
   LANGUAGE=en_HK:en
   PATH=(custom, no user)
  SegvAnalysis:
   Segfault happened at: 0x7f608fcf43d0 <_ZN17pkgCacheGenerator10ListParser11NewProvidesERN8pkgCache11VerIteratorERKSsS5_S5_+864>:	mov    %eax,0x8(%rbx)
   PC (0x7f608fcf43d0) ok
   source "%eax" ok
   destination "0x8(%rbx)" (0x7f6073d7ee50) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: synaptic
  StacktraceTop:
   pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator&, std::string const&, std::string const&, std::string const&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
   debListParser::NewProvidesAllArch(pkgCache::VerIterator&, std::string const&, std::string const&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
   debListParser::ParseProvides(pkgCache::VerIterator&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
   debListParser::NewVersion(pkgCache::VerIterator&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
   pkgCacheGenerator::MergeListVersion(pkgCacheGenerator::ListParser&, pkgCache::PkgIterator&, std::string const&, pkgCache::VerIterator*&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
  Title: synaptic crashed with SIGSEGV in pkgCacheGenerator::ListParser::NewProvides()
  UpgradeStatus: No upgrade log present (probably fresh install)
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