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From: Benny Halevy <bhalevy@primarydata.com>
To: "J. Bruce Fields" <bfields@redhat.com>, linux-nfs@vger.kernel.org
Cc: stable@vger.kernel.org
Subject: Re: [PATCH 1/5] nfsd4: buffer-length check for SUPPATTR_EXCLCREAT
Date: Tue, 25 Feb 2014 10:37:58 -0800	[thread overview]
Message-ID: <530CE306.9050600@primarydata.com> (raw)
In-Reply-To: <1393279727-29437-2-git-send-email-bfields@redhat.com>


On 02/24/2014 02:08 PM, J. Bruce Fields wrote:
> From: "J. Bruce Fields" <bfields@redhat.com>
>
> This was an omission from 8c18f2052e756e7d5dea712fc6e7ed70c00e8a39
> "nfsd41: SUPPATTR_EXCLCREAT attribute".
>
> Cc: stable@vger.kernel.org
> Cc: Benny Halevy <bhalevy@primarydata.com>

Ack.
Thanks for fixing!

Benny

> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
> ---
>  fs/nfsd/nfs4xdr.c |    2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
> index 63f2395..668bfe1 100644
> --- a/fs/nfsd/nfs4xdr.c
> +++ b/fs/nfsd/nfs4xdr.c
> @@ -2483,6 +2483,8 @@ out_acl:
>  			goto out;
>  	}
>  	if (bmval2 & FATTR4_WORD2_SUPPATTR_EXCLCREAT) {
> +		if ((buflen -= 16) < 0)
> +			goto out_resource;
>  		WRITE32(3);
>  		WRITE32(NFSD_SUPPATTR_EXCLCREAT_WORD0);
>  		WRITE32(NFSD_SUPPATTR_EXCLCREAT_WORD1);


  reply	other threads:[~2014-02-25 18:38 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-24 22:08 nfsd xdr fixes J. Bruce Fields
2014-02-24 22:08 ` [PATCH 1/5] nfsd4: buffer-length check for SUPPATTR_EXCLCREAT J. Bruce Fields
2014-02-25 18:37   ` Benny Halevy [this message]
2014-02-24 22:08 ` [PATCH 2/5] nfsd4: leave reply buffer space for failed setattr J. Bruce Fields
2014-02-24 22:08 ` [PATCH 3/5] nfsd4: fix test_stateid error reply encoding J. Bruce Fields
2014-02-24 22:08 ` [PATCH 4/5] nfsd4: session needs room for following op to error out J. Bruce Fields
2014-02-24 22:08 ` [PATCH 5/5] nfsd4: make set of large acl return efbig, not resource J. Bruce Fields

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