From: Oscar Carter <oscar.carter@xxxxxxx>
[ Upstream commit a4338ed2e1cf724563956ec5f91deeaabfedbe23 ]
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.
Also, use a #define instead of a hard-coded literal for the new array
size.
Addresses-Coverity-ID: 1451981 ("Out-of-bounds access")
Fixes: f5a3cb90b802d ("staging: wilc1000: add passive scan support")
Acked-by: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx>
Signed-off-by: Oscar Carter <oscar.carter@xxxxxxx>
Link: https://lore.kernel.org/r/20200504150911.4470-1-oscar.carter@xxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/staging/wilc1000/wilc_hif.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/wilc1000/wilc_hif.c b/drivers/staging/wilc1000/wilc_hif.c
index 77d0732f451b..221e3d93db14 100644
--- a/drivers/staging/wilc1000/wilc_hif.c
+++ b/drivers/staging/wilc1000/wilc_hif.c
@@ -12,6 +12,8 @@
#define WILC_FALSE_FRMWR_CHANNEL 100
#define WILC_MAX_RATES_SUPPORTED 12
+#define WILC_SCAN_WID_LIST_SIZE 6
+
struct wilc_rcvd_mac_info {
u8 status;
};
@@ -233,7 +235,7 @@ 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[WILC_SCAN_WID_LIST_SIZE];
u32 index = 0;
u32 i, scan_timeout;
u8 *buffer;
--
2.25.1
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
