linux-kernel - Re: [for-next PATCH v5 01/11] RDMA/rxe: make sure requested access is a subset of {mr,mw}->access

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Message-ID: <Y1wVSSnV1nYRyiho@nvidia.com>
Date:   Fri, 28 Oct 2022 14:45:45 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Li Zhijian <lizhijian@...itsu.com>
Cc:     Bob Pearson <rpearsonhpe@...il.com>,
        Leon Romanovsky <leon@...nel.org>, linux-rdma@...r.kernel.org,
        Zhu Yanjun <zyjzyj2000@...il.com>, yangx.jy@...itsu.com,
        y-goto@...itsu.com, mbloch@...dia.com, liangwenpeng@...wei.com,
        tom@...pey.com, tomasz.gromadzki@...el.com,
        dan.j.williams@...el.com, linux-kernel@...r.kernel.org
Subject: Re: [for-next PATCH v5 01/11] RDMA/rxe: make sure requested access
 is a subset of {mr,mw}->access

On Tue, Sep 27, 2022 at 01:53:27PM +0800, Li Zhijian wrote:
> We should reject the requests with access flags that is not registered
> by MR/MW. For example, lookup_mr() should return NULL when requested access
> is 0x03 and mr->access is 0x01.
> 
> Signed-off-by: Li Zhijian <lizhijian@...itsu.com>
> ---
>  drivers/infiniband/sw/rxe/rxe_mr.c | 2 +-
>  drivers/infiniband/sw/rxe/rxe_mw.c | 3 +--
>  2 files changed, 2 insertions(+), 3 deletions(-)

I'm going to apply this little bug fix to for-next

Thanks,
Jason