From mboxrd@z Thu Jan  1 00:00:00 1970
From: Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH v2] vfs: Tighten up linkat(..., AT_EMPTY_PATH)
Date: Thu, 22 Aug 2013 13:44:05 -0700
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Cc: Willy Tarreau <w@1wt.eu>,
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	Ingo Molnar <mingo@kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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	Al Viro <viro@zeniv.linux.org.uk>,
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	Brad Spengler <spender@grsecurity.net>
To: Andy Lutomirski <luto@amacapital.net>
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On Thu, Aug 22, 2013 at 1:22 PM, Andy Lutomirski <luto@amacapital.net> wrote:
>
> Let me rephrase that: why do we allow these types of lookup to recurse
> like normal symlinks?  I'm proposing that these links immediately
> terminate lookup  [..]

It can nest *inside* a regular symlink. So there should not be any
recursion of pure /proc style symlink jumps, but they live within the
nesting that is normal symlink behavior.

            Linus