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Date:   Wed, 25 Oct 2017 12:46:37 -0400
From:   Boris Ostrovsky <>
To:     Juergen Gross <>,,
Subject: Re: [PATCH] xen/gntdev: avoid out of bounds access in case of partial

On 10/25/2017 11:08 AM, Juergen Gross wrote:
> In case gntdev_mmap() succeeds only partially in mapping grant pages
> it will leave some vital information uninitialized needed later for
> cleanup. This will lead to an out of bounds array access when unmapping
> the already mapped pages.
> So just initialize the data needed for unmapping the pages a little bit
> earlier.
> Cc: <>
> Reported-by: Arthur Borsboom <>
> Signed-off-by: Juergen Gross <>

Reviewed-by: Boris Ostrovsky <>

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