linux-kernel - Re: [PATCH 6/7] vfs: only add " (deleted)" where necessary

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Message-ID: <215565.1280754056@localhost>
Date:	Mon, 02 Aug 2010 09:00:56 -0400
From:	Valdis.Kletnieks@...edu
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	viro@...IV.linux.org.uk, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/7] vfs: only add " (deleted)" where necessary

On Mon, 02 Aug 2010 13:20:01 +0200, Miklos Szeredi said:

> Index: linux-2.6/fs/dcache.c
> ===================================================================
> --- linux-2.6.orig/fs/dcache.c	2010-07-06 18:08:16.000000000 +0200
> +++ linux-2.6/fs/dcache.c	2010-07-06 18:08:19.000000000 +0200
> @@ -1977,8 +1977,7 @@ global_root:
>   * @buffer: buffer to return value in
>   * @buflen: buffer length
>   *
> - * Convert a dentry into an ASCII path name. If the entry has been deleted
> - * the string " (deleted)" is appended. Note that this is ambiguous.
> + * Convert a dentry into an ASCII path name.
>   *
>   * Returns a pointer into the buffer or an error code if the
>   * path was too long.

I'd prefer the comment about it being ambiguous remain.  I'm waiting to see how
long it takes for somebody to create a security hole by creating a file called
'/etc/some/thing/important (deleted)' and having some software Do The Wrong
Thing instead to /etc/some/thing/important.


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