linux-kernel - Re: [PATCH] vfs: Fix O_NOFOLLOW behavior for paths with trailing slashes

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Message-ID: <20100513154135.GB21251@quack.suse.cz>
Date:	Thu, 13 May 2010 17:41:35 +0200
From:	Jan Kara <jack@...e.cz>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Jan Kara <jack@...e.cz>, LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org, stable@...nel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH] vfs: Fix O_NOFOLLOW behavior for paths with trailing
 slashes

On Thu 13-05-10 08:24:59, Linus Torvalds wrote:
> 
> 
> On Thu, 13 May 2010, Jan Kara wrote:
> >
> > According to specification
> > mkdir d; ln -s d a; open("a/", O_NOFOLLOW | O_RDONLY)
> > should return success but currently it did return ELOOP. Fix the code to ignore
> > O_NOFOLLOW in case the provided path has trailing slashes. This is a regression
> > caused by path lookup cleanup patch series.
> > 
> > CC: stable@...nel.org
> 
> Hmm? Is this correct? Isn't the bug introduced in this merge window, and 
> thus not relevant for stable?
  Ah, you're right! I've seen dates in the patches around December so I
automatically thought the series went to 2.6.33 but checking git logs and
the actual source code of 2.6.33 it went in later. I'm sorry for the
confusion.

									Honza
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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