[PATCH] net/bnxt: fix ctx_dma_arr allocation size

[Stephen Hemminger]

On Tue, 15 Sep 2026 08:56:06 +0000
Evgeny Sokolov <Evgeny.Sokolov at infotecs.ru> wrote:

> From: Sokolov Evgeny <Evgeny.Sokolov at infotecs.ru>
> 
> ctx_dma_arr stores rte_iova_t entries, but the allocation size was
> calculated using sizeof(rte_iova_t *) instead of sizeof(rte_iova_t).
> 
> Use the correct element size when allocating the array to match the
> actual data type stored in ctx_dma_arr.
> 
> Fixes: 4371b402c7b ("net/bnxt: fix array overflow")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Sokolov Evgeny <Evgeny.Sokolov at infotecs.ru>
> ---
>  drivers/net/bnxt/bnxt_ethdev.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
> index a2429561b9..2754725566 100644
> --- a/drivers/net/bnxt/bnxt_ethdev.c
> +++ b/drivers/net/bnxt/bnxt_ethdev.c
> @@ -5054,7 +5054,7 @@ static int bnxt_alloc_ctx_mem_blk(struct bnxt *bp,
>  
>  	snprintf(name, RTE_MEMZONE_NAMESIZE, "bnxt_ctx_dma_arr%s_%x_%d",
>  		 suffix, idx, bp->eth_dev->data->port_id);
> -	ctx_pg->ctx_dma_arr = rte_zmalloc(name, sizeof(rte_iova_t *) * rmem->nr_pages, 0);
> +	ctx_pg->ctx_dma_arr = rte_zmalloc(name, sizeof(rte_iova_t) * rmem->nr_pages, 0);
>  	if (ctx_pg->ctx_dma_arr == NULL)
>  		return -ENOMEM;
>  

Maybe use rte_calloc() instead but fine as is.

Acked-by: Stephen Hemminger <stephen at networkplumber.org>