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Re: Memory leak in bash 4.3


From: Chet Ramey
Subject: Re: Memory leak in bash 4.3
Date: Thu, 11 Jun 2015 10:54:31 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.7.0

On 6/9/15 3:42 PM, Jean Delvare wrote:

> I think I have a minimal test case now:
> 
> #!/bin/bash
> 
> declare -a ARRAY
> 
> ARRAY[0]=foo
> FOO=${ARRAY[0]} # <-- leaks
> echo $FOO
> 
> And a candidate fix:
> 
> bash 4.3: Fix memory leak in parameter_brace_expand_word

Thanks for the report.  This is the right place for the patch.  I made
this change back in October 2014 as part of an unrelated fix for an
array element quoting issue.

(Your patch reuses `temp', but array_variable_part returns a SHELL_VAR *.)

Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/



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