From mboxrd@z Thu Jan  1 00:00:00 1970
From: Yuanhan Liu <yliu@fridaylinux.org>
Subject: Re: [PATCH v3] examples/vhost_scsi: fix buffer not
 terminated
Date: Tue, 17 Oct 2017 21:26:37 +0800
Message-ID: <20171017132637.GY1545@yliu-home>
References: <1507790695-10449-1-git-send-email-jacekx.piasecki@intel.com>
 <1507808061-37679-1-git-send-email-jacekx.piasecki@intel.com>
 <218441fc-8064-b05f-4eeb-4121dcdf849f@redhat.com>
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Cc: Jacek Piasecki <jacekx.piasecki@intel.com>, dev@dpdk.org,
 michalx.k.jastrzebski@intel.com, changpeng.liu@intel.com, stable@dpdk.org
To: Maxime Coquelin <maxime.coquelin@redhat.com>
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On Fri, Oct 13, 2017 at 09:12:33AM +0200, Maxime Coquelin wrote:
> 
> 
> On 10/12/2017 01:34 PM, Jacek Piasecki wrote:
> >Use snprintf instead strncpy to get safe null string termination.
> >There was possible to get not terminated string after strncpy operation.
> >
> >Coverity issue: 158631
> >Fixes: db75c7af19bb ("examples/vhost_scsi: introduce a new sample app")
> >Cc: changpeng.liu@intel.com
> >Cc: stable@dpdk.org
> >
> >Signed-off-by: Jacek Piasecki <jacekx.piasecki@intel.com>
> >---
> >  examples/vhost_scsi/scsi.c | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> >diff --git a/examples/vhost_scsi/scsi.c b/examples/vhost_scsi/scsi.c
> >index 54d3104..2de3110 100644
> >--- a/examples/vhost_scsi/scsi.c
> >+++ b/examples/vhost_scsi/scsi.c
> >@@ -307,7 +307,9 @@ vhost_bdev_scsi_inquiry_command(struct vhost_block_dev *bdev,
> >  		strncpy((char *)inqdata->t10_vendor_id, "INTEL", 8);
> >  		/* PRODUCT IDENTIFICATION */
> >-		strncpy((char *)inqdata->product_id, bdev->product_name, 16);
> >+		snprintf((char *)inqdata->product_id,
> >+				ARRAY_SIZE(inqdata->product_id), "%s",
> >+				bdev->product_name);
> >  		/* PRODUCT REVISION LEVEL */
> >  		strncpy((char *)inqdata->product_rev, "0001", 4);
> >
> 
> Acked-by: Maxime Coquelin <maxime.coquelin@redhat.com>

Firstly, sorry for being so late response. And,

Applied to dpdk-next-virtio. Thanks!

	--yliu