rletopnm crashed with SIGSEGV in __libc_start_main()

[wilbur.harvey]

Tried to convert a .RLE graphics file from an oscilloscope.
Older versions of imagemagick would convert this, but not the current version.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: netpbm 2:10.0-15
ProcVersionSignature: Ubuntu 3.2.0-17.26-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 1.92-0ubuntu1
Architecture: amd64
Date: Mon Feb 20 11:04:38 2012
ExecutablePath: /usr/bin/rletopnm
ProcCmdline: rletopnm test.rle
ProcEnviron:
 SHELL=/bin/bash
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
SegvAnalysis:
 Segfault happened at: 0x4027ac: mov (%rax,%r13,4),%ecx
 PC (0x004027ac) ok
 source "(%rax,%r13,4)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%ecx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: netpbm-free
StacktraceTop:
 ?? ()
 ?? ()
 __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
 ?? ()
 ?? ()
Title: rletopnm crashed with SIGSEGV in __libc_start_main()
UpgradeStatus: Upgraded to precise on 2012-02-09 (11 days ago)
UserGroups: adm admin audio cdrom dialout dip fax floppy flumotion fuse lpadmin netdev plugdev sambashare tape vboxusers video x2gousers

[Apport retracing service (apport)]

StacktraceTop:
 ?? ()
 ?? ()
 __libc_start_main (main=0x4010a0, argc=2, ubp_av=0x7ffff1876c38, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffff1876c28) at libc-start.c:226
 ?? ()
 ?? ()