[Bug 1060249] Re: frontend crashed with signal 5 in free_pending_nulls()

[Launchpad Bug Tracker]

This bug was fixed in the package debconf - 1.5.48ubuntu1

---------------
debconf (1.5.48ubuntu1) raring; urgency=low

  * Resynchronise with Debian (LP: #1060249).  Remaining changes:
    - Gnome.pm: Do not show "Cancel" or "Close" buttons, to avoid breaking
      maintainer scripts.

debconf (1.5.48) unstable; urgency=low

  * dpkg-reconfigure: Fix incorrect scoping of control_path that broke
    handling of multiple packages (closes: #690755, LP: #1076322).

debconf (1.5.47) unstable; urgency=low

  [ Manpages translations ]
  * German updated.

  [ Joey Hess ]
  * GTK frontend: Do additional probing in child process to catch cases
    where trying to use GTK will cause an otherwise uncatchable crash.
    Closes: #690776 Thanks, James Hunt
  * debconf-devel.7: Mention that CAPB capabilities are separated with spaces.
    Closes: #694626

  [ Colin Watson ]
  * dpkg-reconfigure: Fix trigger processing to cope properly if some of the
    triggered packages use debconf (closes: #686071).
 -- Colin Watson <cjwatson at ubuntu.com>   Tue, 11 Dec 2012 09:59:45 +0000

** Changed in: debconf (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1060249

Title:
  frontend crashed with signal 5 in free_pending_nulls()

Status in Debconf:
  Fix Released
Status in “debconf” package in Ubuntu:
  Fix Released
Status in “gsettings-desktop-schemas” package in Ubuntu:
  Fix Released
Status in “debconf” source package in Precise:
  Invalid
Status in “debconf” source package in Quantal:
  Won't Fix
Status in “gsettings-desktop-schemas” source package in Quantal:
  Fix Released

Bug description:
  Crashed during upgrade from Precise to Quantal without any visible
  effect

  TEST CASE 1:
  1. Install Precise 12.04.1
  2. Upgrade to Quantal

  TEST CASE 2:
  This test case is used to reproduce the debconf crash:
  1. Install Precise 12.04.1 and apply updates
  2. Enable apt repository for Quantal
  3. Install gsettings-desktop-schemas from Quantal:
      $ sudo apt-get install  gsettings-desktop-schemas/quantal
  4. Run man-db trigger manually with:
    $ sudo DEBIAN_FRONTEND=gnome \
          /usr/bin/perl -w /usr/share/debconf/frontend \
          /var/lib/dpkg/info/man-db.postinst triggered \
          /usr/share/man

  => Verify that debconf crashes
  Actually any gtk based application will crash.

  ACTUAL RESULT
  This crash is reported on first login after upgrade.

  
  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: debconf 1.5.46ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-16.25-generic 3.5.4
  Uname: Linux 3.5.0-16-generic x86_64
  ApportVersion: 2.6.1-0ubuntu1
  Architecture: amd64
  Date: Tue Oct  2 14:59:09 2012
  ExecutablePath: /usr/share/debconf/frontend
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  InterpreterPath: /usr/bin/perl
  PackageArchitecture: all
  ProcCmdline: /usr/bin/perl -w /usr/share/debconf/frontend /var/lib/dpkg/info/man-db.postinst triggered /usr/share/man
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  Signal: 5
  SourcePackage: debconf
  StacktraceTop:
   ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   g_node_copy_deep () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   ?? ()
   g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  Title: frontend crashed with signal 5 in g_node_copy_deep()
  UpgradeStatus: Upgraded to quantal on 2012-10-02 (0 days ago)
  UserGroups:

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