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List:       busybox
Subject:    Re: /bin/sh hang in some circonstance
From:       Ron Yorston <rmy () pobox ! com>
Date:       2021-08-30 17:05:54
Message-ID: 612d0ff2.wZK0YowzyZy5sWMr%rmy () pobox ! com
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Stacy Harper wrote:

>Shell will hang on this simple script :

Yes, I can reproduce it.

>I already bisected git and it looks that the first commit that
>got the issue is :
>
>a1b0d3856d9a0419cb74bf4c87525265871b5868
>
>ash: add process substitution in bash-compatibility mode

One of mine.  It's being too aggressive in closing redirections.
But I've also spotted another issue:  it's running out of file
descriptors with process substitutions in a loop.  Which is what
the aggressive closing was supposed to avoid.

I'm investigating...

Ron
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