Number: 998
Title: Debian Bug#383261: Segmentation fault in dot_concentrate() from libgvplugin_do
Submitter: Max
Date: Thu Aug 17 07:56:15 2006
Subsys: Dot
Version: 2.8
System: *-*-
Severity: minor
Problem:
Package: graphviz Version: 2.8-2.2 Severity: important

graphviz segfauls on a valid input file. That file can be downloaded at ftp://weird.da.ru/bugs/h.dot.bz2


====
$ dot -v -Tpng -oh.png h.dot
The plugin configuration file:
        /usr/lib/graphviz/config
                was successfully loaded.
    render      :  canon cmap cmapx dia dot fig gd gd2 gif hpgl imap
ismap jpeg jpg mif mp pcl pic plain plain-ext png ps ps2 svg svgz vrml
vtx wbmp xdot
    layout      :  circo dot fdp neato nop nop1 nop2 twopi
    textlayout  :
    device      :
    usershape   :  png-gd
dot: fontname=Times-Roman
fontpath=/var/lib/defoma/fontconfig.d/N/NimbusRomNo9L-Regu.pfm
network simplex: 19053 nodes 19354 edges 0 iter 8.82 sec
network simplex: 13 nodes 12 edges 0 iter 0.00 sec
Segmentation fault
====

-- System Information: Debian Release: testing/unstable APT prefers unstable APT policy: (500, 'unstable'), (1, 'sarge-unsupported') Architecture: amd64 (x86_64) Shell: /bin/sh linked to /bin/bash Kernel: Linux 2.6.17.64 Locale: LANG=ru_RU.KOI8-R, LC_CTYPE=ru_RU.KOI8-R (charmap=KOI8-R)

Versions of packages graphviz depends on: ii libc6 2.3.6-19 GNU C Library: Shared libraries ii libexpat1 1.95.8-3.2 XML parsing C library - runtime li ii libfontconfig1 2.3.2-7 generic font configuration library ii libfreetype6 2.2.1-2 FreeType 2 font engine, shared lib ii libgcc1 1:4.1.1-10 GCC support library ii libice6 1:1.0.0-3 X11 Inter-Client Exchange library ii libjpeg62 6b-13 The Independent JPEG Group's JPEG ii libltdl3 1.5.22-4 A system independent dlopen wrappe ii libperl5.8 5.8.8-6.1 Shared Perl library ii libpng12-0 1.2.8rel-5.2 PNG library - runtime ii libsm6 1:1.0.0-4 X11 Session Management library ii libstdc++6 4.1.1-10 The GNU Standard C++ Library v3 ii libx11-6 2:1.0.0-8 X11 client-side library ii libxaw7 1:1.0.1-5 X11 Athena Widget library ii libxext6 1:1.0.0-4 X11 miscellaneous extension librar ii libxmu6 1:1.0.1-3 X11 miscellaneous utility library ii libxpm4 1:3.5.4.2-3 X11 pixmap library ii libxt6 1:1.0.0-5 X11 toolkit intrinsics library ii tk8.4 8.4.12-1 Tk toolkit for Tcl and X11, v8.4 - ii zlib1g 1:1.2.3-13 compression library - runtime

graphviz recommends no packages.

-- debconf-show failed


Input file: b998.dot
Comments:
Bug forwarded by ellson@research.att.com

Graph is very large 9053 nodes 19354 edges, but problem happens even without -Tpng, so its not just that the image is too large for a bitmap (although it probably would be.)

Problem is still present in CVS today.
Owner: *
Status: *