From: Jason Gunthorpe <jgg@nvidia.com>
To: Leon Romanovsky <leon@kernel.org>
Cc: Mark Zhang <markzhang@nvidia.com>,
linux-rdma@vger.kernel.org, Yishai Hadas <yishaih@mellanox.com>
Subject: Re: [PATCH rdma-rc] RDMA/mlx5: Initialize obj_event->obj_sub_list before xa_insert
Date: Tue, 17 Jun 2025 14:41:23 -0300 [thread overview]
Message-ID: <20250617174123.GC1569186@nvidia.com> (raw)
In-Reply-To: <3ce7f20e0d1a03dc7de6e57494ec4b8eaf1f05c2.1750147949.git.leon@kernel.org>
On Tue, Jun 17, 2025 at 11:13:55AM +0300, Leon Romanovsky wrote:
> From: Mark Zhang <markzhang@nvidia.com>
>
> The obj_event may be loaded immediately after inserted, then if the
> list_head is not initialized then we may get a poisonous pointer.
> This fixes the crash below:
> Fixes: 759738537142 ("IB/mlx5: Enable subscription for device events over DEVX")
> Signed-off-by: Mark Zhang <markzhang@nvidia.com>
> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
> ---
> drivers/infiniband/hw/mlx5/devx.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied to for-rc thanks
Jason
prev parent reply other threads:[~2025-06-17 17:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-17 8:13 [PATCH rdma-rc] RDMA/mlx5: Initialize obj_event->obj_sub_list before xa_insert Leon Romanovsky
2025-06-17 17:41 ` Jason Gunthorpe [this message]
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