Package: libgtk2.0-0 Version: 2.12.12-1~lenny2 Severity: normal Tags: patch
Emitting 'switch_page' signal for a GtkNotebook causes segfault. Function gtk_notebook_real_switch_page() is called with page=NULL but this pointer is dereferenced in the first statement. See other details in gtk-perl mailing list archive. Search thread "Gtk2::Notebook and switch-page signal". E.g. http://mail.gnome.org/archives/gtk-perl-list/2011-January/msg00018.html Adding a simple pointer check solves the problem. See attached patch. The problem found and fixed on lenny but the very similar code of version 2.20.1 in squeeze probably also suffers this. Gabor -- System Information: Debian Release: 5.0.8 APT prefers stable APT policy: (700, 'stable'), (500, 'proposed-updates') Architecture: i386 (i686) Kernel: Linux 2.6.26-2-686 (SMP w/2 CPU cores) Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1) Shell: /bin/sh linked to /bin/bash Versions of packages libgtk2.0-0 depends on: ii libatk1.0-0 1.22.0-1 The ATK accessibility toolkit ii libc6 2.7-18lenny7 GNU C Library: Shared libraries ii libcairo2 1.6.4-7 The Cairo 2D vector graphics libra ii libcomerr2 1.41.3-1 common error description library ii libcups2 1.3.8-1+lenny8 Common UNIX Printing System(tm) - ii libfontconfig1 2.6.0-3 generic font configuration library ii libglib2.0-0 2.16.6-3 The GLib library of C routines ii libgnutls26 2.4.2-6+lenny2 the GNU TLS library - runtime libr ii libgtk2.0-commo 2.12.12-1~lenny2 Common files for the GTK+ graphica ii libjpeg62 6b-14 The Independent JPEG Group's JPEG ii libkrb53 1.6.dfsg.4~beta1-5lenny6 MIT Kerberos runtime libraries ii libpango1.0-0 1.20.5-6 Layout and rendering of internatio ii libpng12-0 1.2.27-2+lenny4 PNG library - runtime ii libtiff4 3.8.2-11.3 Tag Image File Format (TIFF) libra ii libx11-6 2:1.1.5-2 X11 client-side library ii libxcomposite1 1:0.4.0-3 X11 Composite extension library ii libxcursor1 1:1.1.9-1 X cursor management library ii libxdamage1 1:1.1.1-4 X11 damaged region extension libra ii libxext6 2:1.0.4-2 X11 miscellaneous extension librar ii libxfixes3 1:4.0.3-2 X11 miscellaneous 'fixes' extensio ii libxi6 2:1.1.4-1 X11 Input extension library ii libxinerama1 2:1.0.3-2 X11 Xinerama extension library ii libxrandr2 2:1.2.3-1 X11 RandR extension library ii libxrender1 1:0.9.4-2 X Rendering Extension client libra ii zlib1g 1:1.2.3.3.dfsg-12 compression library - runtime Versions of packages libgtk2.0-0 recommends: ii hicolor-icon-theme 0.10-1 default fallback theme for FreeDes ii libgtk2.0-bin 2.12.12-1~lenny2 The programs for the GTK+ graphica Versions of packages libgtk2.0-0 suggests: ii librsvg2-common 2.22.2-2lenny1 SAX-based renderer library for SVG -- no debconf information
--- gtknotebook.c.orig 2011-01-27 14:46:27.104208436 +0100 +++ gtknotebook.c 2011-01-27 13:59:13.801133611 +0100 @@ -5757,6 +5757,7 @@ GtkNotebookPage *page, guint page_num) { + if (page == NULL) return; /* kissg hack 2011-01-27 */ if (notebook->cur_page == page || !GTK_WIDGET_VISIBLE (page->child)) return;