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

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Message-Id: <20200503075145.4563-1-oscar.carter@gmx.com>
Date:   Sun,  3 May 2020 09:51:45 +0200
From:   Oscar Carter <oscar.carter@....com>
To:     Adham Abozaeid <adham.abozaeid@...rochip.com>,
        Ajay Singh <ajay.kathat@...rochip.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rachel Kim <rachel.kim@...el.com>,
        Johnny Kim <johnny.kim@...el.com>,
        Chris Park <chris.park@...el.com>,
        Dean Lee <dean.lee@...el.com>, linux-wireless@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Oscar Carter <oscar.carter@....com>
Subject: [PATCH v2] staging: wilc1000: Increase the size of wid_list array

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>
---
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