MIME-version: 1.0
Content-type: text/plain; charset=EUC-KR
Content-transfer-encoding: 8BIT
Message-id: <55506470.70109@samsung.com>
Date: Mon, 11 May 2015 17:12:32 +0900
From: Seung-Woo Kim <sw0312.kim@samsung.com>
Reply-to: sw0312.kim@samsung.com
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:16.0) Gecko/20121011
 Thunderbird/16.0.1
To: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org,
        casey@schaufler-ca.com, sumit.semwal@linaro.org,
        linaro-mm-sig@lists.linaro.org
Subject: Re: [RESEND PATCH] Smack: ignore private inode for smack_file_receive
References: <1429251904-1078-1-git-send-email-sw0312.kim@samsung.com>
In-reply-to: <1429251904-1078-1-git-send-email-sw0312.kim@samsung.com>
DLP-Filter: Pass
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1412
Lines: 42

Ping?

On 2015?? 04?? 17?? 15:25, Seung-Woo Kim wrote:
> The dmabuf fd can be shared between processes via unix domain
> socket. The file of dmabuf fd is came from anon_inode. The inode
> has no set and get xattr operations, so it can not be shared
> between processes with smack. This patch fixes just to ignore
> private inode including anon_inode for smack_file_receive.
> 
> Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
> ---
> I think there was some issue sending my previous mail, so I resend patch again.
> ---
>  security/smack/smack_lsm.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
> index 69fdc38..d1bb411 100644
> --- a/security/smack/smack_lsm.c
> +++ b/security/smack/smack_lsm.c
> @@ -1673,6 +1673,9 @@ static int smack_file_receive(struct file *file)
>  	struct smk_audit_info ad;
>  	struct inode *inode = file_inode(file);
>  
> +	if (unlikely(IS_PRIVATE(inode)))
> +		return 0;
> +
>  	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
>  	smk_ad_setfield_u_fs_path(&ad, file->f_path);
>  	/*
> 

-- 
Seung-Woo Kim
Samsung Software R&D Center
--

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/