linux-kernel - Re: [PATCH] Return ENOEXEC, not ENOENT, if a binary's or script's interpreter doesn't exist.

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Message-ID: <20090730211256.31be54e6@lxorguk.ukuu.org.uk>
Date:	Thu, 30 Jul 2009 21:12:56 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jonathan Reed <jdreed@....EDU>
Cc:	Pavel Machek <pavel@....cz>, Geoffrey Thomas <geofft@....EDU>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Return ENOEXEC, not ENOENT, if a binary's or script's
 interpreter doesn't exist.

> They then go and look at /usr/bin/foo, find that it exists, and are 
> extremely confused.

-ENOEXEC is just as confusing. It is executable, it will match
(cmp/md5sum etc) with one on another box etc.

> More advanced users might at that point try and run "ldd" on the binary 
> (which will also fail, thanks to a missing interpreter).

So fix ldd ?
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