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From: Ye Xiaolong <xiaolong.ye@intel.com>
To: Jin Yu <jin.yu@intel.com>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>,
	Zhihong Wang <zhihong.wang@intel.com>,
	dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] example/vhost_blk: fix buffer not null terminated
Date: Fri, 8 May 2020 16:43:25 +0800	[thread overview]
Message-ID: <20200508084325.GF75514@intel.com> (raw)
In-Reply-To: <20200508130254.39929-1-jin.yu@intel.com>

On 05/08, Jin Yu wrote:
>Fix the potential bug.

Could you describe more about the potential bug?

Fixes tag is needed here.

Thanks,
Xiaolong
>
>Signed-off-by: Jin Yu <jin.yu@intel.com>
>---
> examples/vhost_blk/vhost_blk.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
>diff --git a/examples/vhost_blk/vhost_blk.c b/examples/vhost_blk/vhost_blk.c
>index f08473f58..b5ce3332a 100644
>--- a/examples/vhost_blk/vhost_blk.c
>+++ b/examples/vhost_blk/vhost_blk.c
>@@ -757,8 +757,9 @@ vhost_blk_bdev_construct(const char *bdev_name,
> 	if (!bdev)
> 		return NULL;
> 
>-	strncpy(bdev->name, bdev_name, sizeof(bdev->name));
>-	strncpy(bdev->product_name, bdev_serial, sizeof(bdev->product_name));
>+	snprintf(bdev->name, sizeof(bdev->name), "%s", bdev_name);
>+	snprintf(bdev->product_name, sizeof(bdev->product_name), "%s",
>+		 bdev_serial);
> 	bdev->blocklen = blk_size;
> 	bdev->blockcnt = blk_cnt;
> 	bdev->write_cache = wce_enable;
>-- 
>2.17.2
>

  reply	other threads:[~2020-05-08  8:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-08 13:02 Jin Yu
2020-05-08  8:43 ` Ye Xiaolong [this message]
2020-05-15 14:45 ` [dpdk-dev] [PATCH v2] " Jin Yu
2020-05-15  7:02   ` Ye Xiaolong
2020-05-15  8:39   ` Maxime Coquelin

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