linux-kernel - Re: [PATCH] RDMA/siw: Fix potential page

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Message-ID: <20230313115601.GB135453@unreal>
Date:   Mon, 13 Mar 2023 13:56:01 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Daniil Dulov <d.dulov@...ddin.ru>
Cc:     Bernard Metzler <bmt@...ich.ibm.com>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org, lvc-project@...uxtesting.org
Subject: Re: [PATCH] RDMA/siw: Fix potential page_array out of range access

On Mon, Feb 27, 2023 at 01:17:51AM -0800, Daniil Dulov wrote:
> When seg is equal to MAX_ARRAY, the loop should break, otherwise
> it will result in out of range access.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Fixes: b9be6f18cf9e ("rdma/siw: transmit path")
> Signed-off-by: Daniil Dulov <d.dulov@...ddin.ru>
> ---
>  drivers/infiniband/sw/siw/siw_qp_tx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Thanks, applied and changed as Bernard suggested.