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Date: Wed, 19 Apr 2023 10:19:55 +0200
To: Eric Blake <eblake AT redhat DOT com>
Subject: Re: posix_spawn facility
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From: Corinna Vinschen via Cygwin <cygwin AT cygwin DOT com>
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On Apr 18 21:39, Eric Blake via Cygwin wrote:
> On Wed, Apr 19, 2023 at 12:10:34AM +0200, Bruno Haible wrote:
> > Eric Blake wrote:
> > > we now have implementations in the wild that differ in behavior, and
> > > use security as a reason for the divergence, it is worth getting that
> > > clarified in POSIX.  I'll file a bug against POSIX shortly
> > 
> > For the reference, the systems that return ENOEXEC for posix_spawnp
> > attempting to execute a script without #! marker are:
> >   - glibc/Linux ≥ 2.15
> >   - glibc/Hurd ≥ 2.33 (commit 13adfa34aff03fd9f1c1612b537a0d736ddb6c2b)
> >   - musl libc
> 
> POSIX issue now filed as
> https://www.austingroupbugs.net/view.php?id=1674; although we'll have
> to see if my wording is acceptable or if it settles on something a bit
> looser (such as implementation-defined as to whether an sh fallback is
> attempted, rather than outright forbidden).

Thank you!


Corinna

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