grep crashed with SIGSEGV in __libc_start_main()

Binary package hint: grep

ubuntu 9.10

ProblemType: Crash
Architecture: i386
Date: Wed Sep 30 20:19:59 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /bin/grep
Package: grep 2.5.4-4
ProcCmdline: grep Browsing
ProcEnviron:
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-11.36-generic
SegvAnalysis:
 Segfault happened at: 0x8054840: add %al,(%eax)
 PC (0x08054840) ok
 source "%al" ok
 destination "(%eax)" (0x00000011) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: grep
StacktraceTop:
 ?? ()
 ?? ()
 ?? ()
 __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
 ?? ()
Title: grep crashed with SIGSEGV in __libc_start_main()
Uname: Linux 2.6.31-11-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare