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Re: process substitution fd lifetime race condition


From: Chet Ramey
Subject: Re: process substitution fd lifetime race condition
Date: Mon, 20 Apr 2020 17:49:41 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.7.0

On 4/20/20 5:01 PM, Jason A. Donenfeld wrote:
> On 4/20/20, Chet Ramey <address@hidden> wrote:
>> On 4/20/20 1:15 AM, Jason A. Donenfeld wrote:
>>> Hi,
>>>
>>> I've uncovered a very unusual race condition when using process
>>> substitution and developed as minimal a reproducer as I could create:
>>
>> What version of bash are you using?
>>
> 
> 5.0.016

See if the patch in this message helps things. I'm skeptical, but give it
a try.

https://lists.gnu.org/archive/html/bug-bash/2020-04/msg00018.html

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



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