[Bug 857869] Re: synaptic crashed with SIGSEGV in debListParser::LoadReleaseInfo()

[John M]

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Title:
  synaptic crashed with SIGSEGV in debListParser::LoadReleaseInfo()

Status in “synaptic” package in Ubuntu:
  New

Bug description:
  Synaptic crashes right before finishing the Reload operation.

  ...:~$ lsb_release -rd && uname -rsvpm && apt-cache policy synaptic 
  Description:	Ubuntu oneiric (development branch)
  Release:	11.10
  Linux 3.0.0-11-generic #18-Ubuntu SMP Tue Sep 13 23:38:01 UTC 2011 x86_64 x86_64
  synaptic:
    Installed: 0.75.2ubuntu6
    Candidate: 0.75.2ubuntu6
    Version table:
   *** 0.75.2ubuntu6 0
          500 http://us.archive.ubuntu.com/ubuntu/ oneiric/universe amd64 Packages
          100 /var/lib/dpkg/status

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: synaptic 0.75.2ubuntu6
  ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
  Uname: Linux 3.0.0-11-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu1
  Architecture: amd64
  Date: Fri Sep 23 16:15:57 2011
  ExecutablePath: /usr/sbin/synaptic
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110921.2)
  ProcCmdline: /usr/sbin/synaptic
  ProcEnviron:
   SHELL=/bin/bash
   LANG=en_US.UTF-8
   PATH=(custom, no user)
  SegvAnalysis:
   Segfault happened at: 0x7f22b772a686 <_ZN13debListParser15LoadReleaseInfoERN8pkgCache15PkgFileIteratorER6FileFdSs+630>:	mov    %eax,(%r15)
   PC (0x7f22b772a686) ok
   source "%eax" ok
   destination "(%r15)" (0x7f22a5a3e180) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: synaptic
  StacktraceTop:
   debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator&, FileFd&, std::string) () from /usr/lib/libapt-pkg.so.4.11
   debPackagesIndex::Merge(pkgCacheGenerator&, OpProgress*) const () from /usr/lib/libapt-pkg.so.4.11
   ?? () from /usr/lib/libapt-pkg.so.4.11
   pkgCacheGenerator::MakeStatusCache(pkgSourceList&, OpProgress*, MMap**, bool) () from /usr/lib/libapt-pkg.so.4.11
   ?? ()
  Title: synaptic crashed with SIGSEGV in debListParser::LoadReleaseInfo()
  UpgradeStatus: No upgrade log present (probably fresh install)
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