linux-kernel - Re: [PATCH v2] staging: wilc1000: Increase the size of wid

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Message-ID: <d75b7f64-0ba0-65e9-ea4c-cc87b3a51a10@microchip.com>
Date:   Sun, 3 May 2020 14:52:19 +0000
From:   <Ajay.Kathat@...rochip.com>
To:     <oscar.carter@....com>, <adham.abozaeid@...rochip.com>
CC:     <gregkh@...uxfoundation.org>, <rachel.kim@...el.com>,
        <johnny.kim@...el.com>, <chris.park@...el.com>,
        <dean.lee@...el.com>, <linux-wireless@...r.kernel.org>,
        <devel@...verdev.osuosl.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] staging: wilc1000: Increase the size of wid_list array



On 03/05/20 1:21 pm, Oscar Carter wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> Increase by one the size of wid_list array as index variable can reach a
> value of 5. If this happens, an out-of-bounds access is performed.
> 
> Addresses-Coverity-ID: 1451981 ("Out-of-bounds access")
> Fixes: f5a3cb90b802d ("staging: wilc1000: add passive scan support")
> Signed-off-by: Oscar Carter <oscar.carter@....com>


Thanks for making the changes.

Acked-by: Ajay Singh <ajay.kathat@...rochip.com>


> ---
> Changelog v1 -> v2
> - Fix the commit for the "Fixes" tag as Ajay suggested.
> 
>  drivers/staging/wilc1000/hif.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/wilc1000/hif.c b/drivers/staging/wilc1000/hif.c
> index 6c7de2f8d3f2..128943c3be4f 100644
> --- a/drivers/staging/wilc1000/hif.c
> +++ b/drivers/staging/wilc1000/hif.c
> @@ -151,7 +151,7 @@ int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type,
>               void *user_arg, struct cfg80211_scan_request *request)
>  {
>         int result = 0;
> -       struct wid wid_list[5];
> +       struct wid wid_list[6];
>         u32 index = 0;
>         u32 i, scan_timeout;
>         u8 *buffer;
> --
> 2.20.1
>