Package: gnuplot
Version: 4.0.0-5
Severity: normal
gnuplot segfaults when run on the following input file (from the GNU
Backgammon documentation);
---cut---
set logscale xy
set xrange [1:1e9]
anneal(a,n,x) = a/(x/1000+1)**n
set xlabel "Positions"
set ylabel "Alpha"
set terminal dumb
set output "anneal.txt"
plot anneal(0.5,0.5,x) title "Alpha 0.5, anneal 0.5", \
anneal(0.1,0.1,x) title "Alpha 0.1, anneal 0.1"
set terminal postscript eps enhanced color dashed
set output "annealing.eps"
set xtics ("1" 1, "" 5, "10" 10, "" 50, "100" 100, "" 500, "1000" 1000, \
"" 5000, "10^4" 1e4, "" 5e4, "10^5" 1e5, "" 5e5, \
"10^6" 1e6, "" 5e6, "10^7" 1e7, "" 5e7, "10^8" 1e8, "" 5e8, \
"10^9" 1e9)
plot anneal(0.5,0.5,x) title "Alpha 0.5, anneal 0.5", \
anneal(0.1,0.1,x) title "Alpha 0.1, anneal 0.1"
---cut---
4.2.0 in experimental does the same thing. Unfortunately, the backtrace
is not useful, even using an unstripped gnuplot binary. It segfaults
somewhere inside snprintf with a corrupted stack.
-- System Information:
Debian Release: lenny/sid
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.18-4-686 (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 gnuplot depends on:
ii gnuplot-nox 4.0.0-5 A command-line driven interactive
ii gnuplot-x11 4.0.0-5 X11-terminal driver for gnuplot
gnuplot recommends no packages.
-- no debconf information
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