linux-kernel - Re: [PATCH 3.10 099/180] fix d_walk()/non-delayed __d

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Date:   Mon, 22 Aug 2016 16:07:50 +0200
From:   Willy Tarreau <w@....eu>
To:     Jari Ruusu <jariruusu@...rs.sourceforge.net>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Al Viro <viro@...iv.linux.org.uk>,
        Ben Hutchings <ben@...adent.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH 3.10 099/180] fix d_walk()/non-delayed __d_free() race

On Mon, Aug 22, 2016 at 04:56:57PM +0300, Jari Ruusu wrote:
> This patch for 3.10 branch appears to be missing one important
> 
> +       dentry->d_flags |= DCACHE_RCUACCESS;
> 
> in fs/dcache.c __d_materialise_dentry() function. When Ben Hutchings
> backported Al Viro's original fix to stable branches that he maintains,
> he added that one additional line to both 3.2 and 3.16 branches. Please
> consider including that additional one line fix for 3.10 stable branch
> also.
(...)

Many thanks Jari, I'll use Ben's backport then.

Cheers,
Willy