* [PATCH] net/ice: fix data length check
@ 2023-05-22 18:14 Qi Zhang
2023-05-23 10:35 ` [PATCH v2] " Qi Zhang
0 siblings, 1 reply; 3+ messages in thread
From: Qi Zhang @ 2023-05-22 18:14 UTC (permalink / raw)
To: qiming.yang; +Cc: dev, Qi Zhang, stable
In TSO, It is possible mbuf->data_len exceed mtu.
Fixed the incorrect data length check in ice_prep_pkts.
Fixes: ccf33dccf7aa ("net/ice: check illegal packet sizes")
Cc: stable@dpdk.org
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
drivers/net/ice/ice_rxtx.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c
index 560c1a4af7..f4a4f43636 100644
--- a/drivers/net/ice/ice_rxtx.c
+++ b/drivers/net/ice/ice_rxtx.c
@@ -3671,7 +3671,6 @@ ice_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
struct rte_mbuf *m;
struct ice_tx_queue *txq = tx_queue;
struct rte_eth_dev *dev = &rte_eth_devices[txq->port_id];
- uint16_t max_frame_size = dev->data->mtu + ICE_ETH_OVERHEAD;
for (i = 0; i < nb_pkts; i++) {
m = tx_pkts[i];
@@ -3690,7 +3689,7 @@ ice_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
/* check the data_len in mbuf */
if (m->data_len < ICE_TX_MIN_PKT_LEN ||
- m->data_len > max_frame_size) {
+ m->data_len > ICE_FRAME_SIZE_MAX) {
rte_errno = EINVAL;
PMD_DRV_LOG(ERR, "INVALID mbuf: bad data_len=[%hu]", m->data_len);
return i;
--
2.31.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH v2] net/ice: fix data length check
2023-05-22 18:14 [PATCH] net/ice: fix data length check Qi Zhang
@ 2023-05-23 10:35 ` Qi Zhang
2023-06-09 1:50 ` Zhang, Qi Z
0 siblings, 1 reply; 3+ messages in thread
From: Qi Zhang @ 2023-05-23 10:35 UTC (permalink / raw)
To: qiming.yang; +Cc: dev, Qi Zhang, stable
In TSO, It is possible mbuf->data_len exceed mtu.
Fixed the incorrect data length check in ice_prep_pkts.
Fixes: ccf33dccf7aa ("net/ice: check illegal packet sizes")
Cc: stable@dpdk.org
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
v2:
- fix build warning
drivers/net/ice/ice_rxtx.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c
index 560c1a4af7..cd0e61c85f 100644
--- a/drivers/net/ice/ice_rxtx.c
+++ b/drivers/net/ice/ice_rxtx.c
@@ -3669,9 +3669,6 @@ ice_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
int i, ret;
uint64_t ol_flags;
struct rte_mbuf *m;
- struct ice_tx_queue *txq = tx_queue;
- struct rte_eth_dev *dev = &rte_eth_devices[txq->port_id];
- uint16_t max_frame_size = dev->data->mtu + ICE_ETH_OVERHEAD;
for (i = 0; i < nb_pkts; i++) {
m = tx_pkts[i];
@@ -3690,7 +3687,7 @@ ice_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
/* check the data_len in mbuf */
if (m->data_len < ICE_TX_MIN_PKT_LEN ||
- m->data_len > max_frame_size) {
+ m->data_len > ICE_FRAME_SIZE_MAX) {
rte_errno = EINVAL;
PMD_DRV_LOG(ERR, "INVALID mbuf: bad data_len=[%hu]", m->data_len);
return i;
--
2.31.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* RE: [PATCH v2] net/ice: fix data length check
2023-05-23 10:35 ` [PATCH v2] " Qi Zhang
@ 2023-06-09 1:50 ` Zhang, Qi Z
0 siblings, 0 replies; 3+ messages in thread
From: Zhang, Qi Z @ 2023-06-09 1:50 UTC (permalink / raw)
To: Yang, Qiming; +Cc: dev, stable
> -----Original Message-----
> From: Zhang, Qi Z <qi.z.zhang@intel.com>
> Sent: Tuesday, May 23, 2023 6:35 PM
> To: Yang, Qiming <qiming.yang@intel.com>
> Cc: dev@dpdk.org; Zhang, Qi Z <qi.z.zhang@intel.com>; stable@dpdk.org
> Subject: [PATCH v2] net/ice: fix data length check
>
> In TSO, It is possible mbuf->data_len exceed mtu.
> Fixed the incorrect data length check in ice_prep_pkts.
>
> Fixes: ccf33dccf7aa ("net/ice: check illegal packet sizes")
> Cc: stable@dpdk.org
>
> Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
> ---
> v2:
> - fix build warning
>
> drivers/net/ice/ice_rxtx.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c index
> 560c1a4af7..cd0e61c85f 100644
> --- a/drivers/net/ice/ice_rxtx.c
> +++ b/drivers/net/ice/ice_rxtx.c
> @@ -3669,9 +3669,6 @@ ice_prep_pkts(__rte_unused void *tx_queue,
> struct rte_mbuf **tx_pkts,
> int i, ret;
> uint64_t ol_flags;
> struct rte_mbuf *m;
> - struct ice_tx_queue *txq = tx_queue;
> - struct rte_eth_dev *dev = &rte_eth_devices[txq->port_id];
> - uint16_t max_frame_size = dev->data->mtu + ICE_ETH_OVERHEAD;
>
> for (i = 0; i < nb_pkts; i++) {
> m = tx_pkts[i];
> @@ -3690,7 +3687,7 @@ ice_prep_pkts(__rte_unused void *tx_queue,
> struct rte_mbuf **tx_pkts,
>
> /* check the data_len in mbuf */
> if (m->data_len < ICE_TX_MIN_PKT_LEN ||
> - m->data_len > max_frame_size) {
> + m->data_len > ICE_FRAME_SIZE_MAX) {
This is wrong, actually check max_frame_size guarantee the data_len not exceed the buffer size.
Rejected.
> rte_errno = EINVAL;
> PMD_DRV_LOG(ERR, "INVALID mbuf: bad
> data_len=[%hu]", m->data_len);
> return i;
> --
> 2.31.1
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-06-09 1:50 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-05-22 18:14 [PATCH] net/ice: fix data length check Qi Zhang
2023-05-23 10:35 ` [PATCH v2] " Qi Zhang
2023-06-09 1:50 ` Zhang, Qi Z
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).