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* [PATCH] ixgbevf: off by one in ixgbevf_ipsec_tx()
@ 2018-09-19 10:35 Dan Carpenter
  2018-09-19 15:28 ` Shannon Nelson
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2018-09-19 10:35 UTC (permalink / raw)
  To: Jeff Kirsher, Shannon Nelson
  Cc: David S. Miller, intel-wired-lan, netdev, kernel-janitors

The ipsec->tx_tbl[] array has IXGBE_IPSEC_MAX_SA_COUNT elements so the >
should be a >=.

Fixes: 0062e7cc955e ("ixgbevf: add VF IPsec offload code")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/net/ethernet/intel/ixgbevf/ipsec.c b/drivers/net/ethernet/intel/ixgbevf/ipsec.c
index 997cea675a37..4fcbeffce52b 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ipsec.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ipsec.c
@@ -470,7 +470,7 @@ int ixgbevf_ipsec_tx(struct ixgbevf_ring *tx_ring,
 	}
 
 	sa_idx = xs->xso.offload_handle - IXGBE_IPSEC_BASE_TX_INDEX;
-	if (unlikely(sa_idx > IXGBE_IPSEC_MAX_SA_COUNT)) {
+	if (unlikely(sa_idx >= IXGBE_IPSEC_MAX_SA_COUNT)) {
 		netdev_err(tx_ring->netdev, "%s: bad sa_idx=%d handle=%lu\n",
 			   __func__, sa_idx, xs->xso.offload_handle);
 		return 0;

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] ixgbevf: off by one in ixgbevf_ipsec_tx()
  2018-09-19 10:35 [PATCH] ixgbevf: off by one in ixgbevf_ipsec_tx() Dan Carpenter
@ 2018-09-19 15:28 ` Shannon Nelson
  0 siblings, 0 replies; 2+ messages in thread
From: Shannon Nelson @ 2018-09-19 15:28 UTC (permalink / raw)
  To: Dan Carpenter, Jeff Kirsher
  Cc: David S. Miller, intel-wired-lan, netdev, kernel-janitors

On 9/19/2018 3:35 AM, Dan Carpenter wrote:
> The ipsec->tx_tbl[] array has IXGBE_IPSEC_MAX_SA_COUNT elements so the >
> should be a >=.
> 
> Fixes: 0062e7cc955e ("ixgbevf: add VF IPsec offload code")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>

> 
> diff --git a/drivers/net/ethernet/intel/ixgbevf/ipsec.c b/drivers/net/ethernet/intel/ixgbevf/ipsec.c
> index 997cea675a37..4fcbeffce52b 100644
> --- a/drivers/net/ethernet/intel/ixgbevf/ipsec.c
> +++ b/drivers/net/ethernet/intel/ixgbevf/ipsec.c
> @@ -470,7 +470,7 @@ int ixgbevf_ipsec_tx(struct ixgbevf_ring *tx_ring,
>   	}
>   
>   	sa_idx = xs->xso.offload_handle - IXGBE_IPSEC_BASE_TX_INDEX;
> -	if (unlikely(sa_idx > IXGBE_IPSEC_MAX_SA_COUNT)) {
> +	if (unlikely(sa_idx >= IXGBE_IPSEC_MAX_SA_COUNT)) {
>   		netdev_err(tx_ring->netdev, "%s: bad sa_idx=%d handle=%lu\n",
>   			   __func__, sa_idx, xs->xso.offload_handle);
>   		return 0;
> 

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2018-09-19 21:06 UTC | newest]

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2018-09-19 10:35 [PATCH] ixgbevf: off by one in ixgbevf_ipsec_tx() Dan Carpenter
2018-09-19 15:28 ` Shannon Nelson

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