[Bug 1726973] Re: dpkg-preconfigure crashed with SIGSEGV in Perl_sv_clear()

[Apport retracing service]

*** This bug is a duplicate of bug 1726972 ***
    https://bugs.launchpad.net/bugs/1726972

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #1726972, so is being marked as such.  Please
look at the other bug report to see if there is any missing information
that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

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** This bug has been marked a duplicate of private bug 1726972

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1726973

Title:
  dpkg-preconfigure crashed with SIGSEGV in Perl_sv_clear()

Status in debconf package in Ubuntu:
  New

Bug description:
  ....

  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: debconf 1.5.63
  ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
  Uname: Linux 4.13.0-16-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3
  Architecture: amd64
  CrashCounter: 1
  Date: Tue Oct 24 17:39:55 2017
  ExecutablePath: /usr/sbin/dpkg-preconfigure
  InstallationDate: Installed on 2017-10-19 (4 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  InterpreterPath: /usr/bin/perl
  PackageArchitecture: all
  ProcCmdline: /usr/bin/perl -w /usr/sbin/dpkg-preconfigure --apt
  SegvAnalysis:
   Segfault happened at: 0x56250468e50a <Perl_sv_clear+1882>:	movzbl (%rsi),%edx
   PC (0x56250468e50a) ok
   source "(%rsi)" (0x566505cfd9c1) not located in a known VMA region (needed readable region)!
   destination "%edx" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: debconf
  StacktraceTop:
   Perl_sv_clear ()
   Perl_sv_free2 ()
   ?? ()
   Perl_sv_clean_objs ()
   perl_destruct ()
  Title: dpkg-preconfigure crashed with SIGSEGV in Perl_sv_clear()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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