Package: gpiv
Version: 0.5.2-3
Severity: important
Tags: patch
*** Please type your report below this line ***
When opening a png image (generated in my case by gpiv_combing from gpiv_tools,
but bug probably generic), gpiv aborts with the following error message:
GdkPixbuf-CRITICAL **: gdk_pixbuf_get_rowstride:
assertion `GDK_IS_PIXBUF (pixbuf)' failed
GLib-ERROR **: /build/buildd-glib2.0_2.20.0-2-i386-rcJiVy/glib2.0-2.20.0/glib/g$
failed to allocate 4294967040 bytes
aborting...
Program received signal SIGABRT, Aborted.
Running gdb reveals that the failing malloc call in display_image.c:84
(or display_image.c:122) uses the return value from the failed
preceding gdk_pixbuf_get_rowstride() call. This call is made on a
GdkPixbuf object px which has ref-count zero at that time, i.e. has been
freed...
Suggested patch: delay the gdk_pixbuf_unref (px) call
(display_image.c:73) until px is no longer needed. The following diff -u
can be used for this:
$> diff -u gpiv-0.6.0*/src/display_image.c
--- gpiv-0.6.0.orig/src/display_image.c 2007-12-14 12:54:24.000000000 +0100
+++ gpiv-0.6.0/src/display_image.c 2009-04-07 20:02:26.000000000 +0200
@@ -73,8 +73,6 @@
disp->img->image->header->ncolumns,
disp->img->image->header->nrows);
- gdk_pixbuf_unref (px);
-
#ifdef DEBUG
g_message("create_img:: rowstride = %d, rgb_img_width = %d",
gdk_pixbuf_get_rowstride(px),
@@ -164,6 +162,8 @@
disp->img->gci_img2 = disp->img->gci_img1;
}
+ gdk_pixbuf_unref (px);
+
/* g_message(":: freeing rgbbuf_img1/2"); */
/* g_free(disp->img->rgbbuf_img1); */
/* disp->img->rgbbuf_img1 = NULL; */
nb: I have no experience in GTK prgramming, possibly this bug requires more
code overhaul than just this patch ?
-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.6.26-1-686 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages gpiv depends on:
ii libart-2.0-2 2.3.20-2 Library of functions for 2D graphi
ii libatk1.0-0 1.24.0-2 The ATK accessibility toolkit
ii libbonobo2-0 2.24.1-1 Bonobo CORBA interfaces library
ii libbonoboui2-0 2.24.1-1 The Bonobo UI library
ii libc6 2.9-6 GNU C Library: Shared libraries
ii libcairo2 1.8.6-2+b1 The Cairo 2D vector graphics libra
ii libfftw3-3 3.1.2-3.1 library for computing Fast Fourier
ii libgconf2-4 2.24.0-7 GNOME configuration database syste
ii libglib2.0-0 2.20.0-2 The GLib library of C routines
ii libgnome2-0 2.24.1-2 The GNOME 2 library - runtime file
ii libglib2.0-0 2.20.0-2 The GLib library of C routines
ii libgnome2-0 2.24.1-2 The GNOME 2 library - runtime file
ii libgnomecanvas2-0 2.20.1.1-1 A powerful object-oriented display
ii libgnomeprint2.2-0 2.18.6-1 The GNOME 2.2 print architecture -
ii libgnomeprintui2.2-0 2.18.4-1 GNOME 2.2 print architecture User
ii libgnomeui-0 2.24.1-1 The GNOME 2 libraries (User Interf
ii libgnomevfs2-0 1:2.24.0-3 GNOME Virtual File System (runtime
ii libgpiv3 0.6.1-1 library for Particle Image Velocim
ii libgsl0ldbl 1.12+dfsg-1 GNU Scientific Library (GSL) -- li
ii libgtk2.0-0 2.14.7-5 The GTK+ graphical user interface
ii libice6 2:1.0.5-1 X11 Inter-Client Exchange library
ii liborbit2 1:2.14.17-0.1 libraries for ORBit2 - a CORBA ORB
ii libpango1.0-0 1.24.0-2 Layout and rendering of internatio
ii libpopt0 1.14-4 lib for parsing cmdline parameters
ii libsm6 2:1.1.0-2 X11 Session Management library
ii libxml2 2.7.3.dfsg-1 GNOME XML library
ii zlib1g 1:1.2.3.3.dfsg-13 compression library - runtime
gpiv recommends no packages.
gpiv suggests no packages.
-- no debconf information
--
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