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Re: double free or corruption read builtin


From: Chet Ramey
Subject: Re: double free or corruption read builtin
Date: Sat, 6 May 2017 17:25:46 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.0.1

On 5/5/17 1:45 AM, Eduardo Bustamante wrote:
> address@hidden:~/bash-fuzzing/read$ cat -A 6b
> M-^_0^A\$
> ^N
> 
> address@hidden:~/bash-fuzzing/read$ od -c 6b
> 0000000 237   0 001   \  \n 016
> 0000006
> 
> (gdb) file ~/src/gnu/bash/bash
> Reading symbols from ~/src/gnu/bash/bash...done.
> (gdb) r -c 'exec < 6b; read -N3 -d "" IFS; read a b'
> Starting program: /home/dualbus/src/gnu/bash/bash -c 'exec < 6b; read
> -N3 -d "" IFS; read a b'
> *** Error in `/home/dualbus/src/gnu/bash/bash': double free or
> corruption (out): 0x00005555558b6ac0 ***

Thanks for the report.  This will get fixed.

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



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