From: Jason Gunthorpe <jgg@nvidia.com>
To: Leon Romanovsky <leon@kernel.org>
Cc: Edward Srouji <edwards@nvidia.com>, linux-rdma@vger.kernel.org
Subject: Re: [PATCH rdma-rc 08/10] RDMA/uverbs: Restrict usage of privileged QKEYs
Date: Mon, 5 Jun 2023 13:55:09 -0300 [thread overview]
Message-ID: <ZH4TbQYnJx3Co31D@nvidia.com> (raw)
In-Reply-To: <c00c809ddafaaf87d6f6cb827978670989a511b3.1685960567.git.leon@kernel.org>
On Mon, Jun 05, 2023 at 01:33:24PM +0300, Leon Romanovsky wrote:
> From: Edward Srouji <edwards@nvidia.com>
>
> According to the IB specification rel-1.6, section 3.5.3:
> "QKEYs with the most significant bit set are considered controlled
> QKEYs, and a HCA does not allow a consumer to arbitrarily specify a
> controlled QKEY."
>
> Thus, block non-privileged users from setting such a QKEY.
>
> Fixes: bc38a6abdd5a ("[PATCH] IB uverbs: core implementation")
cc: stable
Jason
next prev parent reply other threads:[~2023-06-05 16:55 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-05 10:33 [PATCH rdma-rc 00/10] Batch of uverbs and mlx5_ib fixes Leon Romanovsky
2023-06-05 10:33 ` [PATCH rdma-rc 01/10] RDMA/mlx5: Initiate dropless RQ for RAW Ethernet functions Leon Romanovsky
2023-06-05 10:33 ` [PATCH rdma-rc 02/10] RDMA/mlx5: Create an indirect flow table for steering anchor Leon Romanovsky
2023-06-05 10:33 ` [PATCH rdma-rc 03/10] RDMA/mlx5: Fix Q-counters per vport allocation Leon Romanovsky
2023-06-05 10:33 ` [PATCH rdma-rc 04/10] RDMA/mlx5: Remove vport Q-counters dependency on normal Q-counters Leon Romanovsky
2023-06-05 10:33 ` [PATCH rdma-rc 05/10] RDMA/mlx5: Fix Q-counters query in LAG mode Leon Romanovsky
2023-06-05 10:33 ` [PATCH rdma-rc 06/10] RDMA/mlx5: Fix mkey cache possible deadlock on cleanup Leon Romanovsky
2023-06-05 16:54 ` Jason Gunthorpe
2023-06-06 5:50 ` Leon Romanovsky
2023-06-05 10:33 ` [PATCH rdma-rc 07/10] RDMA/cma: Always set static rate to 0 for RoCE Leon Romanovsky
2023-06-05 10:33 ` [PATCH rdma-rc 08/10] RDMA/uverbs: Restrict usage of privileged QKEYs Leon Romanovsky
2023-06-05 16:55 ` Jason Gunthorpe [this message]
2023-06-05 10:33 ` [PATCH rdma-rc 09/10] IB/uverbs: Fix to consider event queue closing also upon non-blocking mode Leon Romanovsky
2023-06-05 10:33 ` [PATCH rdma-rc 10/10] RDMA/mlx5: Fix affinity assignment Leon Romanovsky
2023-06-11 9:21 ` (subset) [PATCH rdma-rc 00/10] Batch of uverbs and mlx5_ib fixes Leon Romanovsky
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