linux-kernel - [PATCH v2] Fix buffer overflow in hinic_devlink.c:hinic_flash

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Message-Id: <20220617050101.37620-1-huzh@nyu.edu>
Date:   Fri, 17 Jun 2022 01:01:02 -0400
From:   HighW4y2H3ll <huzh@....edu>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     HighW4y2H3ll <huzh@....edu>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] Fix buffer overflow in hinic_devlink.c:hinic_flash_fw

Signed-off-by: zhenghao hu <huzh@....edu>
---
 drivers/net/ethernet/huawei/hinic/hinic_port.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.h b/drivers/net/ethernet/huawei/hinic/hinic_port.h
index c9ae3d4dc547..4a50e75a2424 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_port.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_port.h
@@ -13,6 +13,7 @@
 #include <linux/bitops.h>
 
 #include "hinic_dev.h"
+#include "hinic_devlink.h"
 
 #define HINIC_RSS_KEY_SIZE	40
 #define HINIC_RSS_INDIR_SIZE	256
@@ -751,7 +752,7 @@ struct hinic_cmd_update_fw {
 	u32 setion_total_len;
 	u32 fw_section_version;
 	u32 section_offset;
-	u32 data[384];
+	u32 data[MAX_FW_FRAGMENT_LEN];
 };
 
 int hinic_port_add_mac(struct hinic_dev *nic_dev, const u8 *addr,
-- 
2.35.1