Configuration Information [Automatically generated, do not change]:
Machine: x86_64
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64'
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='x86_64-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 -Wall
uname output: Linux topaze.kwi.fr 2.6.34-2010-05-26-wl-59453-g97ef193
#52 SMP PREEMPT Wed May 26 10:06:42 CEST 2010 x86_64 GNU/Linux
Machine Type: x86_64-pc-linux-gnu
Bash Version: 4.1
Patch Level: 5
Release Status: release
Description:
String corruption caused by strcpy on overlapping strings.
From parse.y, lines 5153-5155 :
-----
t = strrchr (t_string, '/');
if (t)
strcpy (t_string, t + 1);
-----
Repeat-By:
Use \W in PS1, cd to /something :
-----
kwis...@topaze:~ $ export PS1='\W '
~ cd /root/
rott
-----
Fix:
--- parse.y 2010-05-27 15:16:15.623495000 +0200
+++ parse.y.smj 2010-05-27 15:16:30.364495000 +0200
@@ -5152,7 +5152,7 @@
{
t = strrchr (t_string, '/');
if (t)
- strcpy (t_string, t + 1);
+ memmove (t_string, t + 1, sizeof(t));
}
}
#undef ROOT_PATH
Thanks,
Stéphane (kwisatz) Jourdois.
