[Gtk2-perl-bugs] [Bug 694051] New: GdkPixbuf new_from_data() length check

[gnome-perl (bugzilla.gnome.o. <bug...@gn...>]

https://bugzilla.gnome.org/show_bug.cgi?id=694051
  gnome-perl | Gtk2 | unspecified

           Summary: GdkPixbuf new_from_data() length check
    Classification: Bindings
           Product: gnome-perl
           Version: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: Normal
         Component: Gtk2
        AssignedTo: gtk...@li...
        ReportedBy: us...@zi...
         QAContact: gtk...@li...
     GNOME version: ---


Created an attachment (id=236511)
 View: https://bugzilla.gnome.org/attachment.cgi?id=236511
 Review: https://bugzilla.gnome.org/review?bug=694051&attachment=236511

patch and test

This is my idea from a while ago to check that gdk_pixbuf_new_from_data() has
the data string long enough for the given width,height,rowstride, so that dodgy
inputs don't cause a segv for going past the end of the data string.

There's no string length passed to gdk, it's the caller's responsibility to
ensure the data block is big enough.  The aim here would be to stop dubious
values at the perl level from crashing the interpreter.

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