* [PATCH] net/mlx5: Fix dangling pointer access
@ 2021-12-02 22:15 Ameer Hamza
2021-12-02 22:56 ` Saeed Mahameed
0 siblings, 1 reply; 2+ messages in thread
From: Ameer Hamza @ 2021-12-02 22:15 UTC (permalink / raw)
To: saeedm, leon, davem, kuba; +Cc: netdev, linux-rdma, linux-kernel, amhamza.mgc
Fix for dangling pointer access reported by Coverity.
Addresses-Coverity: 1494138 ("Use after free")
Signed-off-by: Ameer Hamza <amhamza.mgc@gmail.com>
---
drivers/net/ethernet/mellanox/mlx5/core/health.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c
index 3ca998874c50..856023321972 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
@@ -335,7 +335,7 @@ static int mlx5_health_try_recover(struct mlx5_core_dev *dev)
{
mlx5_core_warn(dev, "handling bad device here\n");
mlx5_handle_bad_state(dev);
- if (mlx5_health_wait_pci_up(dev)) {
+ if (dev->timeouts && mlx5_health_wait_pci_up(dev)) {
mlx5_core_err(dev, "health recovery flow aborted, PCI reads still not working\n");
return -EIO;
}
--
2.25.1
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] net/mlx5: Fix dangling pointer access
2021-12-02 22:15 [PATCH] net/mlx5: Fix dangling pointer access Ameer Hamza
@ 2021-12-02 22:56 ` Saeed Mahameed
0 siblings, 0 replies; 2+ messages in thread
From: Saeed Mahameed @ 2021-12-02 22:56 UTC (permalink / raw)
To: amhamza.mgc, davem, kuba, leon; +Cc: netdev, linux-rdma, linux-kernel
On Fri, 2021-12-03 at 03:15 +0500, Ameer Hamza wrote:
> Fix for dangling pointer access reported by Coverity.
>
> Addresses-Coverity: 1494138 ("Use after free")
>
> Signed-off-by: Ameer Hamza <amhamza.mgc@gmail.com>
> ---
> drivers/net/ethernet/mellanox/mlx5/core/health.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c
> b/drivers/net/ethernet/mellanox/mlx5/core/health.c
> index 3ca998874c50..856023321972 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
> @@ -335,7 +335,7 @@ static int mlx5_health_try_recover(struct
> mlx5_core_dev *dev)
> {
> mlx5_core_warn(dev, "handling bad device here\n");
> mlx5_handle_bad_state(dev);
> - if (mlx5_health_wait_pci_up(dev)) {
> + if (dev->timeouts && mlx5_health_wait_pci_up(dev)) {
the proper fix was already submitted and accepted to net:
https://lore.kernel.org/netdev/20211201063709.229103-11-saeed@kernel.org/
Thank you
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-12-02 22:15 [PATCH] net/mlx5: Fix dangling pointer access Ameer Hamza
2021-12-02 22:56 ` Saeed Mahameed
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