On 8/16/10 5:05 AM, Roman Rakus wrote:
> On 08/13/2010 03:55 PM, ordcoder wrote:
>> 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-unknown-linux-gnu'
>> -DCONF_VENDOR='unknown' -DLOCALEDIR='/usr/share/locale'
>> -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I. -I. -I./include
>> -I./lib -march=x86-64 -mtune=generic -O2 -pipe
>> uname output: Linux ordtop 2.6.34-ARCH #1 SMP PREEMPT Wed Aug 11
>> 00:23:15 CEST 2010 x86_64 Intel(R) Pentium(R) Dual CPU T3400 @ 2.16GHz
>> GenuineIntel GNU/Linux
>> Machine Type: x86_64-unknown-linux-gnu
>> Bash Version: 4.1
>> Patch Level: 7
>> Release Status: release
>> Description:
>> Bash quietly segfaults (exit status 139) when trying to unset
>> associative array which was incorrectly declared (however it didn't
>> complain when declaring it)
>> Bash compiled from sources crashed (exit status 134) under the
>> same circumstances with the following output:
>>
>> malloc: hashlib.c:306: assertion botched
>> free: called with unallocated block argument
>> last command: unset foo
>> Aborting...Aborted
>>
>> Repeat-By:
>> # Execute the following two commands at interactive prompt or
>> put them in file and execute it:
>>
>> declare -A foo=bar
>> unset foo
>>
> Already reported. So far, not patched.
> http://www.mail-archive.com/bug-bash@gnu.org/msg06014.html
Andreas posted the straightforward patch back in April. If you want my
imprimatur, here it is. This will be part of the next set of bash-4.1
patches.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/
*** ../bash-4.1-patched/builtins/declare.def 2009-11-25 19:42:00.000000000
-0500
--- builtins/declare.def 2010-05-30 18:25:21.000000000 -0400
***************
*** 513,517 ****
/* let bind_{array,assoc}_variable take care of this. */
if (assoc_p (var))
! bind_assoc_variable (var, name, "0", value, aflags);
else
bind_array_variable (name, 0, value, aflags);
--- 519,523 ----
/* let bind_{array,assoc}_variable take care of this. */
if (assoc_p (var))
! bind_assoc_variable (var, name, savestring ("0"), value,
aflags);
else
bind_array_variable (name, 0, value, aflags);
