Re: [PATCH for-next 3/6] IB/core: Avoid leakage from kernel to user space

[Yann Droneaud <ydroneaud-RlY5vtjFyJ3QT0dZR+AlfA@public.gmane.org>]

Hi,

Le dimanche 14 septembre 2014 à 16:47 +0300, Eli Cohen a écrit :
> Clear the reserved field of struct ib_uverbs_async_event_desc which is 
> copied to user space.
> 

This one could be applied right now on v3.17 and others.

> Signed-off-by: Eli Cohen <eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

Reviewed-by: Yann Droneaud <ydroneaud-RlY5vtjFyJ3QT0dZR+AlfA@public.gmane.org>
Cc: stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org

Regards.

> ---
>  drivers/infiniband/core/uverbs_main.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
> index c73b22a257fe..b21af1eaf503 100644
> --- a/drivers/infiniband/core/uverbs_main.c
> +++ b/drivers/infiniband/core/uverbs_main.c
> @@ -477,6 +477,7 @@ static void ib_uverbs_async_handler(struct ib_uverbs_file *file,
>  
>  	entry->desc.async.element    = element;
>  	entry->desc.async.event_type = event;
> +	entry->desc.async.reserved   = 0;
>  	entry->counter               = counter;
>  
>  	list_add_tail(&entry->list, &file->async_file->event_list);


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