[apport] perl crashed with SIGSEGV in wnck_screen_get_default()

[Michael Robinson]

Binary package hint: libgnome2-wnck-perl

The following program crashes on a reasonably up-to-date Feisty system:

#!/usr/bin/perl
use Gnome2::Wnck;
$screen = Gnome2::Wnck::Screen->get_default();
$screen->signal_connect(
    active_window_changed => sub {
        print $screen->get_active_window()->get_name();
    }
);
gtk_main();

ProblemType: Crash
Architecture: i386
CrashCounter: 1
Date: Mon Apr 9 19:51:49 2007
Dependencies:
 tzdata 2007b-0ubuntu1
 belocs-locales-bin 2.4-2ubuntu2
 locales 2.3.23
 libc6 2.5-0ubuntu12
DistroRelease: Ubuntu 7.04
ExecutablePath: /usr/bin/perl
Package: perl-base 5.8.8-7build1
PackageArchitecture: i386
ProcCmdline: perl t.pl
ProcCwd: /home/michaelr
ProcEnviron:
 SHELL=/bin/bash
 PATH=/home/michaelr/bea/jdk142_11/bin:/home/michaelr/bin:/usr/sbin:/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11:/usr/games
 LC_COLLATE=C
 LANG=en_NZ.UTF-8
 LANGUAGE=en_NZ:en_US:en_GB:en
Signal: 11
SourcePackage: perl
StacktraceTop:
 wnck_screen_get_default () from /usr/lib/libwnck-1.so.18
 XS_Gnome2__Wnck__Screen_get_default ()
 Perl_pp_entersub ()
 Perl_runops_standard ()
 perl_run ()
Uname: Linux michaelrlt 2.6.20-13-generic #2 SMP Sun Mar 25 00:21:25 UTC 2007 i686 GNU/Linux
UserGroups: adm admin audio cdrom dialout dip disk floppy lpadmin plugdev scanner src video

[Apport retracing service (apport)]

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[Michael Robinson (michael-livia)]

Note that this is a very low priority bug, and probably should be for upstream; the program is incorrect in how it uses the API, and should throw an error regardless (no initialization of Gtk2 has been done). A core dump does seem to be a bit severe, however.