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Date: Wed, 9 Oct 2019 18:00:37 +0200
From: Markus Wichmann <nullplan@....net>
To: musl@...ts.openwall.com
Subject: Re: realpath after chroot
On Wed, Oct 09, 2019 at 07:45:10AM -0400, Rich Felker wrote:
> On Wed, Oct 09, 2019 at 05:47:49AM +0200, Markus Wichmann wrote:
> > So it appears that fexecve() is the exception here, entering the
> > fallback path on ENOSYS.
>
> I don't see how it's more exceptional than the others.
>
What I meant is, having a fallback for ENOSYS/"kernel too old" is kind
of normal. Having a fallback for "kernel is drunk", not so much.
> /dev is a hard POSIX dependency for /dev/null and /dev/tty, maybe
> other things too.
Right, I forgot about those.
Ciao,
Markus
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