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Re: Another out of bounds heap read in bash completion


From: Chet Ramey
Subject: Re: Another out of bounds heap read in bash completion
Date: Fri, 10 Jul 2015 14:41:04 -0400
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On 7/10/15 2:38 PM, Hanno Böck wrote:
> Hi Chet,
> 
> On Fri, 10 Jul 2015 14:23:25 -0400
> Chet Ramey <chet.ramey@case.edu> wrote:
> 
>>> To reproduce:
>>> a) compile bash with CFLAGS="-fsanitize=address -g"
>>> b) type in a=/ a
>>> c) go back with the cursor behind the backslash and press tab
>>
>> Thanks for the report.  I've attached a patch that should address the
>> problem.  It's not in bash-4.4-alpha.
> 
> Can confirm the patch fixes the issue.
> 
> However in 4.4 alpha I still get an asan error. However the stack trace
> is different.

Using the same reproducer?  I said that patch was not in bash-4.4-alpha.

If there's a different reproducer for the stack trace you're seeing,
please send it along.  Thanks.

Chet

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