* [PATCH] net/mlx5: fix rxq interrupt memory corruption
@ 2017-11-09 13:10 Shahaf Shuler
2017-11-09 13:26 ` Adrien Mazarguil
0 siblings, 1 reply; 3+ messages in thread
From: Shahaf Shuler @ 2017-11-09 13:10 UTC (permalink / raw)
To: adrien.mazarguil, nelio.laranjeiro, yskoh; +Cc: dev, stable
intr_vec allocation size was wrong causing a memory corruption.
Fixes: e1016cb73383 ("net/mlx5: fix Rx interrupts management")
Cc: adrien.mazarguil@6wind.com
Cc: stable@dpdk.org
Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
---
drivers/net/mlx5/mlx5_rxq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index 6b29aaee6..85399eff5 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -331,7 +331,7 @@ priv_rx_intr_vec_enable(struct priv *priv)
if (!priv->dev->data->dev_conf.intr_conf.rxq)
return 0;
priv_rx_intr_vec_disable(priv);
- intr_handle->intr_vec = malloc(sizeof(intr_handle->intr_vec[rxqs_n]));
+ intr_handle->intr_vec = malloc(n * sizeof(intr_handle->intr_vec[0]));
if (intr_handle->intr_vec == NULL) {
ERROR("failed to allocate memory for interrupt vector,"
" Rx interrupts will not be supported");
--
2.12.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] net/mlx5: fix rxq interrupt memory corruption
2017-11-09 13:10 [PATCH] net/mlx5: fix rxq interrupt memory corruption Shahaf Shuler
@ 2017-11-09 13:26 ` Adrien Mazarguil
2017-11-10 9:01 ` [dpdk-stable] " Ferruh Yigit
0 siblings, 1 reply; 3+ messages in thread
From: Adrien Mazarguil @ 2017-11-09 13:26 UTC (permalink / raw)
To: Shahaf Shuler; +Cc: nelio.laranjeiro, yskoh, dev, stable
On Thu, Nov 09, 2017 at 03:10:14PM +0200, Shahaf Shuler wrote:
> intr_vec allocation size was wrong causing a memory corruption.
>
> Fixes: e1016cb73383 ("net/mlx5: fix Rx interrupts management")
> Cc: adrien.mazarguil@6wind.com
> Cc: stable@dpdk.org
>
> Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Indeed, nice catch.
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Could you submit the same patch for mlx4 against the following commit?
(code is identical)
0a2ae703192c ("net/mlx4: fix Rx interrupts management")
Thanks!
--
Adrien Mazarguil
6WIND
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-stable] [PATCH] net/mlx5: fix rxq interrupt memory corruption
2017-11-09 13:26 ` Adrien Mazarguil
@ 2017-11-10 9:01 ` Ferruh Yigit
0 siblings, 0 replies; 3+ messages in thread
From: Ferruh Yigit @ 2017-11-10 9:01 UTC (permalink / raw)
To: Adrien Mazarguil, Shahaf Shuler; +Cc: nelio.laranjeiro, yskoh, dev, stable
On 11/9/2017 5:26 AM, Adrien Mazarguil wrote:
> On Thu, Nov 09, 2017 at 03:10:14PM +0200, Shahaf Shuler wrote:
>> intr_vec allocation size was wrong causing a memory corruption.
>>
>> Fixes: e1016cb73383 ("net/mlx5: fix Rx interrupts management")
>> Cc: adrien.mazarguil@6wind.com
>> Cc: stable@dpdk.org
>>
>> Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
>
> Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Applied to dpdk/master, thanks.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2017-11-09 13:10 [PATCH] net/mlx5: fix rxq interrupt memory corruption Shahaf Shuler
2017-11-09 13:26 ` Adrien Mazarguil
2017-11-10 9:01 ` [dpdk-stable] " Ferruh Yigit
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