Bug#255030: marked as done (dia segfaults opening files created
by older version)
Debian Bug Tracking System
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From: Jeff King <peff-debbug@peff.net>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: dia segfaults opening files created by older version
Bcc: Jeff King <peff-debbug@peff.net>
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Package: dia
Version: 0.93-3
Severity: normal
When trying to load an (circa 2001) dia file, dia segfaulted. I
systematically removed all objects from the file using a text editor and
determined that the problem is caused by a "UML - Message" object. I
have included the object's XML below:
<object type="UML - Message" version="0" id="O5">
<attribute name="obj_pos">
<point val="8,5"/>
</attribute>
<attribute name="obj_bb">
<rectangle val="7.6,4.95;8.4,11.25"/>
</attribute>
<attribute name="conn_endpoints">
<point val="8,5"/>
<point val="8,11.2"/>
</attribute>
<attribute name="text">
<string/>
</attribute>
<attribute name="text_pos">
<point val="8,8.1"/>
</attribute>
<attribute name="type">
<int val="-690563370"/>
</attribute>
<connections>
<connection handle="0" to="O3" connection="0"/>
<connection handle="1" to="O0" connection="0"/>
</connections>
</object>
I was able to prevent the segfault by replacing <string/> with
<string>##</string> (as is generated by current versions of dia). It
seems that some piece of code is assuming the '##' markers will be
there. I haven't tracked it further than this.
I believe that new dia versions should:
- either support loading this construct or provide a short script to
convert old files (a sed one-liner would work in most cases, but to
be 100% correct, we might need to actually parse the XML).
- at the very least not segfault. :)
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.6-1-k7-smp
Locale: LANG=C, LC_CTYPE=C
Versions of packages dia depends on:
ii dia-common 0.93-3 Diagram editor (common files)
ii dia-libs 0.93-3 Diagram editor (library files)
ii libart-2.0-2 2.3.16-5 Library of functions for 2D graphi
ii libatk1.0-0 1.6.1-2 The ATK accessibility toolkit
ii libc6 2.3.2.ds1-13 GNU C Library: Shared libraries an
ii libfreetype6 2.1.7-2.1 FreeType 2 font engine, shared lib
ii libglib2.0-0 2.4.2-1 The GLib library of C routines
ii libgtk2.0-0 2.4.3-1 The GTK+ graphical user interface
ii libpango1.0-0 1.4.0-4 Layout and rendering of internatio
ii libpng12-0 1.2.5.0-6 PNG library - runtime
ii libpopt0 1.7-4 lib for parsing cmdline parameters
ii libxml2 2.6.10-3 GNOME XML library
ii zlib1g 1:1.2.1.1-3 compression library - runtime
-- no debconf information
---------------------------------------
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Subject: dia segfaults opening files created by older version
From: Roland Stigge <stigge@antcom.de>
To: 255030-done@bugs.debian.org
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Hi,
this bug has been fixed in experimental a while ago. Now that dia 0.94
is in unstable, I'm closing this bug.
Thanks for reporting. If you ever encounter similar problems, please
report back.
bye,
Roland