[dpdk-dev] [PATCH v3] examples/vhost_scsi: fix buffer not terminated
Yuanhan Liu
yliu at fridaylinux.org
Tue Oct 17 15:26:37 CEST 2017
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 at intel.com
> >Cc: stable at dpdk.org
> >
> >Signed-off-by: Jacek Piasecki <jacekx.piasecki at 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 at redhat.com>
Firstly, sorry for being so late response. And,
Applied to dpdk-next-virtio. Thanks!
--yliu
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