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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20160822140750.GC21145@1wt.eu>
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