From mboxrd@z Thu Jan  1 00:00:00 1970
From: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH] IB/ocrdma: fix out of bounds access to local buffer
Date: Mon, 1 May 2017 11:57:36 +0300
Message-ID: <20170501085736.GW14088@mtr-leonro.local>
References: <20170501064116.3900-1-dev@michaelmera.com>
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To: Michael Mera <dev-5Y08+B5RRAgbhb6IIWwbbQ@public.gmane.org>
Cc: Selvin Xavier <selvin.xavier-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>, Devesh Sharma <devesh.sharma-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>, Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, Hal Rosenstock <hal.rosenstock-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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On Mon, May 01, 2017 at 03:41:16PM +0900, Michael Mera wrote:
> In write to debugfs file 'resource_stats' the local buffer 'tmp_str' is
> written at index 'count-1' where 'count' is the size of the write, so
> potentially 0.
>
> This patch filters odd values for the write size/position to avoid this
> type of problem.
>
> Signed-off-by: Michael Mera <dev-5Y08+B5RRAgbhb6IIWwbbQ@public.gmane.org>
> ---
>  drivers/infiniband/hw/ocrdma/ocrdma_stats.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>

Thanks,
Reviewed-by: Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

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