assertion botched

[gianci]

Configuration Information [Automatically generated, do not change]:
Machine: i386
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i386' 
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i386-pc-linux-gnu' 
-DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL 
-DHAVE_CONFIG_H  -I.  -I../bash -I../bash/include -I../bash/lib   -g -O2
uname output: Linux devel-linux 2.6.11 #17 Thu Mar 3 13:34:09 CET 2005 i686 
GNU/Linux
Machine Type: i386-pc-linux-gnu

Bash Version: 3.0
Patch Level: 16
Release Status: release

Description:

  /* users is a samba share */ 
  gianci@devel-linux:~$ cd users/
  gianci@devel-linux:~/users$ mpg1 [Tab]
  malloc: ../bash/bashline.c:1227: assertion botched
  free: called with already freed block argument
  last command: cd users/
  Aborting...Aborted