The following issues were found

drivers/net/ethernet/intel/igc/igc_nvm.c
2 issues
read - Check buffer boundaries if used in a loop including recursive loops
Security

Line: 168 Column: 25 CWE codes: 120 20 

              	s32 ret_val = 0;

	for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
		ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data);
		if (ret_val) {
			hw_dbg("NVM Read Error\n");
			goto out;
		}
		checksum += nvm_data;

Reported by FlawFinder.

read - Check buffer boundaries if used in a loop including recursive loops
Security

Line: 201 Column: 25 CWE codes: 120 20 

              	s32  ret_val;

	for (i = 0; i < NVM_CHECKSUM_REG; i++) {
		ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data);
		if (ret_val) {
			hw_dbg("NVM Read Error while updating checksum.\n");
			goto out;
		}
		checksum += nvm_data;

Reported by FlawFinder.

drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 32 Column: 11 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              struct mlxsw_sp_span_parms {
	struct mlxsw_sp_port *dest_port; /* NULL for unoffloaded SPAN. */
	unsigned int ttl;
	unsigned char dmac[ETH_ALEN];
	unsigned char smac[ETH_ALEN];
	union mlxsw_sp_l3addr daddr;
	union mlxsw_sp_l3addr saddr;
	u16 vid;
	u16 policer_id;

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 33 Column: 11 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct mlxsw_sp_port *dest_port; /* NULL for unoffloaded SPAN. */
	unsigned int ttl;
	unsigned char dmac[ETH_ALEN];
	unsigned char smac[ETH_ALEN];
	union mlxsw_sp_l3addr daddr;
	union mlxsw_sp_l3addr saddr;
	u16 vid;
	u16 policer_id;
	bool policer_enable;

Reported by FlawFinder.

drivers/net/ethernet/micrel/ks8851_spi.c
2 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 184 Column: 3 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              	if (ret < 0)
		netdev_err(ks->netdev, "read: spi_sync() failed\n");
	else if (kss->spidev->master->flags & SPI_MASTER_HALF_DUPLEX)
		memcpy(rxb, trx, rxl);
	else
		memcpy(rxb, trx + 2, rxl);
}

/**

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 186 Column: 3 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              	else if (kss->spidev->master->flags & SPI_MASTER_HALF_DUPLEX)
		memcpy(rxb, trx, rxl);
	else
		memcpy(rxb, trx + 2, rxl);
}

/**
 * ks8851_rdreg16_spi - read 16 bit register from device via SPI
 * @ks: The chip information

Reported by FlawFinder.

drivers/net/ethernet/intel/igc/igc_base.h
2 issues
read - Check buffer boundaries if used in a loop including recursive loops
Security

Line: 17 Column: 4 CWE codes: 120 20 

              		__le64 buffer_addr;    /* Address of descriptor's data buf */
		__le32 cmd_type_len;
		__le32 olinfo_status;
	} read;
	struct {
		__le64 rsvd;       /* Reserved */
		__le32 nxtseq_seed;
		__le32 status;
	} wb;

Reported by FlawFinder.

read - Check buffer boundaries if used in a loop including recursive loops
Security

Line: 52 Column: 4 CWE codes: 120 20 

              	struct {
		__le64 pkt_addr; /* Packet buffer address */
		__le64 hdr_addr; /* Header buffer address */
	} read;
	struct {
		struct {
			union {
				__le32 data;
				struct {

Reported by FlawFinder.

drivers/net/ethernet/microchip/lan743x_main.c
2 issues
read - Check buffer boundaries if used in a loop including recursive loops
Security

Line: 694 Column: 58 CWE codes: 120 20 

              	return 0;
}

static u32 lan743x_mac_mii_access(u16 id, u16 index, int read)
{
	u32 ret;

	ret = (id << MAC_MII_ACC_PHY_ADDR_SHIFT_) &
		MAC_MII_ACC_PHY_ADDR_MASK_;

Reported by FlawFinder.

read - Check buffer boundaries if used in a loop including recursive loops
Security

Line: 703 Column: 6 CWE codes: 120 20 

              	ret |= (index << MAC_MII_ACC_MIIRINDA_SHIFT_) &
		MAC_MII_ACC_MIIRINDA_MASK_;

	if (read)
		ret |= MAC_MII_ACC_MII_READ_;
	else
		ret |= MAC_MII_ACC_MII_WRITE_;
	ret |= MAC_MII_ACC_MII_BUSY_;

Reported by FlawFinder.

drivers/net/ethernet/microchip/sparx5/sparx5_ethtool.c
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 1201 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              
int sparx_stats_init(struct sparx5 *sparx5)
{
	char queue_name[32];
	int portno;

	sparx5->stats_layout = sparx5_stats_layout;
	sparx5->num_stats = spx5_stats_count;
	sparx5->num_ethtool_stats = ARRAY_SIZE(sparx5_stats_layout);

Reported by FlawFinder.

strncpy - Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned]
Security

Line: 1015 Column: 3 CWE codes: 120 

              		return;

	for (idx = 0; idx < sparx5->num_ethtool_stats; idx++)
		strncpy(data + idx * ETH_GSTRING_LEN,
			sparx5->stats_layout[idx], ETH_GSTRING_LEN);
}

static void sparx5_get_sset_data(struct net_device *ndev,
				 struct ethtool_stats *stats, u64 *data)

Reported by FlawFinder.

drivers/net/ethernet/intel/igc/igc.h
2 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 229 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct timespec64 prev_ptp_time; /* Pre-reset PTP clock */
	ktime_t ptp_reset_start; /* Reset time in clock mono */

	char fw_version[32];

	struct bpf_prog *xdp_prog;

	bool pps_sys_wrap_on;

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 471 Column: 2 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              	struct napi_struct napi;

	struct rcu_head rcu;    /* to avoid race with update stats on free */
	char name[IFNAMSIZ + 9];
	struct net_device poll_dev;

	/* for dynamic allocation of rings associated with this q_vector */
	struct igc_ring ring[] ____cacheline_internodealigned_in_smp;
};

Reported by FlawFinder.

drivers/net/ethernet/microsoft/mana/hw_channel.c
2 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 74 Column: 2 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              
	ctx->status_code = resp_msg->status;

	memcpy(ctx->output_buf, resp_msg, resp_len);
out:
	ctx->error = err;
	complete(&ctx->comp_event);
}

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 811 Column: 3 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              
	req_msg = (struct gdma_req_hdr *)tx_wr->buf_va;
	if (req)
		memcpy(req_msg, req, req_len);

	req_msg->req.hwc_msg_id = msg_id;

	tx_wr->msg_size = req_len;

Reported by FlawFinder.

drivers/net/ethernet/microsoft/mana/mana_en.c
2 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 586 Column: 3 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              	req->default_rxobj = apc->default_rxobj;

	if (update_key)
		memcpy(&req->hashkey, apc->hashkey, MANA_HASH_KEY_SIZE);

	if (update_tab) {
		req_indir_tab = (mana_handle_t *)(req + 1);
		memcpy(req_indir_tab, apc->rxobj_table,
		       req->num_indir_entries * sizeof(mana_handle_t));

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 590 Column: 3 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              
	if (update_tab) {
		req_indir_tab = (mana_handle_t *)(req + 1);
		memcpy(req_indir_tab, apc->rxobj_table,
		       req->num_indir_entries * sizeof(mana_handle_t));
	}

	err = mana_send_request(apc->ac, req, req_buf_size, &resp,
				sizeof(resp));

Reported by FlawFinder.

drivers/net/ethernet/moxa/moxart_ether.c
2 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 68 Column: 2 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              	if (!is_valid_ether_addr(address->sa_data))
		return -EADDRNOTAVAIL;

	memcpy(ndev->dev_addr, address->sa_data, ndev->addr_len);
	moxart_update_mac_address(ndev);

	return 0;
}

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 255 Column: 3 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              			goto rx_next;
		}

		memcpy(skb->data, priv->rx_buf[rx_head], len);
		skb_put(skb, len);
		skb->protocol = eth_type_trans(skb, ndev);
		napi_gro_receive(&priv->napi, skb);
		rx++;

Reported by FlawFinder.