From: Kirill Rybalchenko <kirill.rybalchenko@intel.com>
To: dev@dpdk.org
Cc: kirill.rybalchenko@intel.com, andrey.chilikin@intel.com,
beilei.xing@intel.com, jingjing.wu@intel.com
Subject: [dpdk-dev] [PATCH] net/i40e: fix value of num parameter for strncpy function
Date: Mon, 23 Oct 2017 12:24:49 +0100 [thread overview]
Message-ID: <1508757889-40845-1-git-send-email-kirill.rybalchenko@intel.com> (raw)
num parameter for strncpy() function should be smaller than
actual destination buffer size to allow null termination.
Fixes: 40d1324423a4 ("net/i40e: get ddp profile protocol info")
Signed-off-by: Kirill Rybalchenko <kirill.rybalchenko@intel.com>
---
drivers/net/i40e/rte_pmd_i40e.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/i40e/rte_pmd_i40e.c b/drivers/net/i40e/rte_pmd_i40e.c
index 4881ea0..489f66b 100644
--- a/drivers/net/i40e/rte_pmd_i40e.c
+++ b/drivers/net/i40e/rte_pmd_i40e.c
@@ -1928,7 +1928,7 @@ int rte_pmd_i40e_get_ddp_info(uint8_t *pkg_buff, uint32_t pkg_size,
for (i = j = 0; i < nb_rec; j++) {
pinfo[j].proto_id = tlv->data[0];
strncpy(pinfo[j].name, (const char *)&tlv->data[1],
- I40E_DDP_NAME_SIZE);
+ I40E_DDP_NAME_SIZE - 1);
i += tlv->len;
tlv = &tlv[tlv->len];
}
--
2.5.5
next reply other threads:[~2017-10-23 11:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-23 11:24 Kirill Rybalchenko [this message]
2017-10-23 12:57 ` Bruce Richardson
2017-10-23 13:06 ` Rybalchenko, Kirill
2017-10-23 13:30 ` Bruce Richardson
2017-10-24 9:22 ` [dpdk-dev] [PATCH] net/i40e: fix unsecure usage of " Kirill Rybalchenko
2017-10-24 9:50 ` Bruce Richardson
2017-10-24 18:12 ` Ferruh Yigit
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