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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Newsgroups: gnu.bash.bug
Subject: Re: process substitution fd lifetime race condition
Date: Mon, 20 Apr 2020 15:56:40 -0600
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On Mon, Apr 20, 2020 at 3:49 PM Chet Ramey <chet.ramey@case.edu> wrote:
>
> On 4/20/20 5:01 PM, Jason A. Donenfeld wrote:
> > On 4/20/20, Chet Ramey <chet.ramey@case.edu> 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

Actually, it seems to work indeed... So far I can't repro with that.