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Re: Segfault assigning to nameref with bad array subscript
From: |
Chet Ramey |
Subject: |
Re: Segfault assigning to nameref with bad array subscript |
Date: |
Sun, 1 May 2016 19:54:08 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.0 |
On 4/27/16 2:45 AM, Grisha Levit wrote:
> Any of the following will crash bash:
>
> declare -n ref=a[*]; ref=
> declare -n ref=a[@]; ref=
> declare -n ref=a[-1]; a=(); ref=
>
> declare -A A; declare -n ref='A[$unset]'; ref=
>
> They all produce "bad array subscript" errors so could be caught.
Thanks for the report. This was an easy fix, and the fix will be in
bash-4.4.
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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