linux-kernel - Re: [PATCH 2/2] vfs: Fix refcnt leak with __do_follow_link() in do_filp

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Message-ID: <20100113200711.GD19799@ZenIV.linux.org.uk>
Date:	Wed, 13 Jan 2010 20:07:11 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 2/2] vfs: Fix refcnt leak with __do_follow_link() in
	do_filp_open()

On Wed, Jan 13, 2010 at 07:51:00PM +0000, Al Viro wrote:

> Point, but... that's not the way I'd do it (again, see #untested for the
> direction it's heading).  What we ought to do is simply "put ourselves
> in trust-no-one mode (LOOKUP_REVAL) and restart the entire thing; if
> we'd already been through that, fail immediately".
> 
> And yes, it needs to be pulled in front of queue and go in before .34.
> Will do shortly.

See commit 1fe1244faf0e862342bd2ae29e341cc957469aee in vfs-2.6.git#for-linus
(that's going to be rc5 fixes push tonight, after several more things get
shifted there).
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