From: Greg KH <gregkh@linuxfoundation.org>
To: Jeff Mahoney <jeffm@suse.com>
Cc: stable@vger.kernel.org, Anand Jain <anand.jain@oracle.com>
Subject: Re: [PATCH 3.10.y] [FIX BAD BACKPORT] Btrfs: add missing brelse when superblock checksum fails
Date: Tue, 16 Jan 2018 17:58:40 +0100 [thread overview]
Message-ID: <20180116165840.GA7840@kroah.com> (raw)
In-Reply-To: <a6b0ad35-c2d1-63dc-c28d-3f327a7aaae2@suse.com>
On Tue, Jan 16, 2018 at 11:25:17AM -0500, Jeff Mahoney wrote:
> Commit b2acdddfad13c38a1e8b927d83c3cf321f63601a upstream.
>
> linux-3.10.y commit bf00d124e07 (Btrfs: add missing brelse when
> superblock checksum fails) was misapplied to a later error handling
> site. The result is that it doesn't actually free the buffer on
> checksum failure but does attempt to double free the buffer if
> unsupported features are used.
>
> The backport of b2acdddfad1 in other branches is correct.
>
> Cc: <stable@vger.kernel.org> # 3.10
> Cc: Anand Jain <anand.jain@oracle.com>
> Signed-off-by: Jeff Mahoney <jeffm@suse.com>
> ---
> fs/btrfs/disk-io.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
3.10 is long obsolete, sorry.
greg k-h
prev parent reply other threads:[~2018-01-16 16:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-16 16:25 [PATCH 3.10.y] [FIX BAD BACKPORT] Btrfs: add missing brelse when superblock checksum fails Jeff Mahoney
2018-01-16 16:58 ` Greg KH [this message]
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