[Bug 1292186] Re: dpkg-query crashed with SIGSEGV in utf8_internal_loop()

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

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

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Title:
  dpkg-query crashed with SIGSEGV in utf8_internal_loop()

Status in “dpkg” package in Ubuntu:
  Confirmed

Bug description:
  This error appeared just after turning my PC on. There was no visual
  issue

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: dpkg 1.17.5ubuntu5
  ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
  Uname: Linux 3.13.0-17-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  Date: Fri Mar 14 06:28:08 2014
  ExecutablePath: /usr/bin/dpkg-query
  InstallationDate: Installed on 2013-12-17 (85 days ago)
  InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131217)
  ProcCmdline: dpkg-query --list --
  ProcEnviron:
   LANGUAGE=en_AU:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7fa606d36865 <__gconv_transform_utf8_internal+277>:	movzbl (%rax),%ecx
   PC (0x7fa606d36865) ok
   source "(%rax)" (0xffffffff) not located in a known VMA region (needed readable region)!
   destination "%ecx" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: dpkg
  StacktraceTop:
   utf8_internal_loop (step=0x133db60, step_data=0x7fffb65d9b40, irreversible=0x7fffb65d9aa0, outend=0x7fffb65d9bd0 "", outptrp=<synthetic pointer>, inend=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>, inptrp=0x7fffb65d9b30) at ../iconv/loop.c:331
   __gconv_transform_utf8_internal (step=0x133db60, data=data at entry=0x7fffb65d9b40, inptrp=inptrp at entry=0x7fffb65d9b30, inend=inend at entry=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>, outbufstart=outbufstart at entry=0x0, irreversible=irreversible at entry=0x7fffb65d9b38, do_flush=do_flush at entry=0, consume_incomplete=consume_incomplete at entry=1) at ../iconv/skeleton.c:611
   __GI___mbrtowc (pwc=<optimised out>, s=0xffffffff <error: Cannot access memory at address 0xffffffff>, n=<optimised out>, ps=<optimised out>) at mbrtowc.c:84
   ?? ()
   ?? ()
  Title: dpkg-query crashed with SIGSEGV in utf8_internal_loop()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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