linux-kernel - Re: [Cluster-devel] [PATCH] gfs2: Fix memory leak when gfs2meta's fs

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Message-ID: <824921067.4882112.1570209623167.JavaMail.zimbra@redhat.com>
Date:   Fri, 4 Oct 2019 13:20:23 -0400 (EDT)
From:   Bob Peterson <rpeterso@...hat.com>
To:     Andrew Price <anprice@...hat.com>
Cc:     cluster-devel@...hat.com,
        syzbot+c2fdfd2b783754878fb6@...kaller.appspotmail.com,
        syzkaller-bugs@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [Cluster-devel] [PATCH] gfs2: Fix memory leak when gfs2meta's
        fs_context is freed

----- Original Message -----
> gfs2 and gfs2meta share an ->init_fs_context function which allocates an
> args structure stored in fc->fs_private. gfs2 registers a ->free
> function to free this memory when the fs_context is cleaned up, but
> there was not one registered for gfs2meta, causing a leak.
> 
> Register a ->free function for gfs2meta. The existing gfs2_fc_free
> function does what we need.
> 
> Reported-by: syzbot+c2fdfd2b783754878fb6@...kaller.appspotmail.com
> Signed-off-by: Andrew Price <anprice@...hat.com>
> ---

Thanks. Now pushed to for-next.

Bob Peterson