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From: Chenxu Di <chenxux.di@intel.com>
To: dev@dpdk.org
Cc: beilei.xing@intel.com, jia.guo@intel.com,
	Chenxu Di <chenxux.di@intel.com>
Subject: [dpdk-dev] [PATCH v3] net/i40e: fix out of bounds read issue
Date: Wed, 13 May 2020 02:26:45 +0000	[thread overview]
Message-ID: <20200513022645.37302-1-chenxux.di@intel.com> (raw)
In-Reply-To: <20200507030928.42082-1-chenxux.di@intel.com>

This patch fixes (out-of-bounds read) coverity issue.

Coverity issue: 357699
Coverity issue: 357694
Fixes: feaae285b342 ("net/i40e: support hash configuration in RSS flow")

Signed-off-by: Chenxu Di <chenxux.di@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 749d85f54..c2d5c6835 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -13179,6 +13179,9 @@ i40e_rss_config_hash_function(struct i40e_pf *pf,
 				break;
 		}
 
+		if (i == UINT64_BIT)
+			return 0;
+
 		for (j = I40E_FILTER_PCTYPE_INVALID + 1;
 		     j < I40E_FILTER_PCTYPE_MAX; j++) {
 			if (pf->adapter->pctypes_tbl[i] & (1ULL << j))
@@ -13311,6 +13314,9 @@ i40e_rss_clear_hash_function(struct i40e_pf *pf,
 				break;
 		}
 
+		if (i == UINT64_BIT)
+			return 0;
+
 		for (j = I40E_FILTER_PCTYPE_INVALID + 1;
 		     j < I40E_FILTER_PCTYPE_MAX; j++) {
 			if (pf->adapter->pctypes_tbl[i] & (1ULL << j))
-- 
2.17.1


  parent reply	other threads:[~2020-05-13  2:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-07  3:09 [dpdk-dev] [PATCH] " Chenxu Di
2020-05-07  5:15 ` Ye Xiaolong
2020-05-07  5:55   ` Di, ChenxuX
2020-05-07  6:30     ` Ye Xiaolong
2020-05-07  9:49 ` [dpdk-dev] [PATCH v2] " Chenxu Di
2020-05-08  2:26   ` Yang, Qiming
2020-05-08  2:36     ` Ye Xiaolong
2020-05-08  2:54       ` Yang, Qiming
2020-05-13  2:26 ` Chenxu Di [this message]
2020-05-13  6:51   ` [dpdk-dev] [PATCH v3] " Jeff Guo
2020-05-14  1:16     ` Di, ChenxuX
2020-05-14  6:17       ` Jeff Guo
2020-05-14  6:41         ` Di, ChenxuX
2020-05-14  7:07 ` [dpdk-dev] [PATCH v4] " Chenxu Di
2020-05-14  9:07   ` Jeff Guo
2020-05-15  3:22   ` Ye Xiaolong

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