[Bug 948208] Re: dpkg-query crashed with SIGSEGV in open_wmemstream()

[Raphaël Hertzog]

The crash contains no usable information and doesn't happen in dpkg.
Sorry.

** Visibility changed to: Public

** Changed in: dpkg (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/948208

Title:
  dpkg-query crashed with SIGSEGV in open_wmemstream()

Status in “dpkg” package in Ubuntu:
  Invalid

Bug description:
  this problem appears  while system update

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: dpkg 1.16.1.2ubuntu5
  ProcVersionSignature: Ubuntu 3.2.0-18.28-generic-pae 3.2.9
  Uname: Linux 3.2.0-18-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.94-0ubuntu2
  Architecture: i386
  Date: Tue Mar  6 18:15:55 2012
  ExecutablePath: /usr/bin/dpkg-query
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120228.1)
  ProcCmdline: dpkg-query --listfiles -- ibus
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   LANG=pl_PL.UTF-8
  SegvAnalysis:
   Segfault happened at: 0xb7657ca2 <open_wmemstream+146>:	add    %cl,0x55e82434(%ecx)
   PC (0xb7657ca2) ok
   source "%cl" ok
   destination "0x55e82434(%ecx)" (0x5ea85454) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: dpkg
  Stacktrace:
   #0  0xb7657ca2 in open_wmemstream () from /lib/i386-linux-gnu/libc.so.6
   No symbol table info available.
   #1  0xb7613f30 in ?? () from /lib/i386-linux-gnu/libc.so.6
   No symbol table info available.
   Backtrace stopped: previous frame inner to this frame (corrupt stack?)
  StacktraceTop:
   open_wmemstream () from /lib/i386-linux-gnu/libc.so.6
   ?? () from /lib/i386-linux-gnu/libc.so.6
  Title: dpkg-query crashed with SIGSEGV in open_wmemstream()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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