Public bug reported:

Binary package hint: gnome-control-center

When one of the images in  ~/Images is not of the expected format (in my
case, a file with a ".jpg" extension was acually a RDF/XML file), gnome-
appearance-properties  crashes with a SIGSEGV without any message.

This is extremely bad programming practice!

Here is gnome-appearance-properties ran under strace:

...
rename("/home/emilien/.thumbnails/fail/gnome-thumbnail-factory/79d58759e8c84c84f81b895acabc42ef.png.95WLMU",
 
"/home/emilien/.thumbnails/fail/gnome-thumbnail-factory/79d58759e8c84c84f81b895acabc42ef.png")
 = 0
stat64("/home/emilien/.thumbnails/fail/gnome-thumbnail-factory", 
{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
open("/home/emilien/Images/duel3.jpg", O_RDONLY|O_LARGEFILE) = 50
fstat64(50, {st_mode=S_IFREG|0644, st_size=3726, ...}) = 0
read(50, "<?xml version=\"1.0\"?>\n<RDF:RDF x"..., 8192) = 3726
read(50, "", 8192)                      = 0
close(50)                               = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=2945, ...}) = 0
stat64("/etc/localtime", {st_mode=S_IFREG|0644, st_size=2945, ...}) = 0
gettimeofday({1230829944, 813640}, NULL) = 0
time(NULL)                              = 1230829944
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++

And here is the beginning of the offending file, duel3.jpg:

<?xml version="1.0"?>
<RDF:RDF xmlns:NC="http://home.netscape.com/NC-rdf#";
         xmlns:RDF="http://www.w3.org/1999/02/22-rdf-syntax-ns#";>
  <RDF:Description RDF:about="urn:mimetypes">
    <NC:MIME-types RDF:resource="urn:mimetypes:root"/>
  </RDF:Description>
...

OK, it is not a JPEG (for unknown reasons) but crashing with SIGSEGV is
incredibly careless.

Description:    Ubuntu 8.04.1
Release:        8.04

gnome-control-center:
  Installed: 1:2.22.1-0ubuntu4.1
  Candidate: 1:2.22.1-0ubuntu4.1
  Version table:
 *** 1:2.22.1-0ubuntu4.1 0
        500 http://fr.archive.ubuntu.com hardy-updates/main Packages
        100 /var/lib/dpkg/status
     1:2.22.1-0ubuntu4 0
        500 http://fr.archive.ubuntu.com hardy/main Packages

** Affects: gnome-control-center (Ubuntu)
     Importance: Undecided
         Status: New

-- 
gnome-appearance-properties crashes when the image is not of the expected format
https://bugs.launchpad.net/bugs/312931
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