staging/rtl8192e: userspace ptr deref + incorrect declarations
. userspace pointer dereference ;
These issues have been fixed by a concurrent patch:
. missing inclusions of needed header files (fixed by concurrent patch);
. unrequired static function declaration (confusing another *.c file).
Signed-off-by: Dominique van den Broeck <domdevlin@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
index de76097..5287004 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
@@ -1131,11 +1131,18 @@
struct r8192_priv *priv = rtllib_priv(dev);
struct rtllib_device *ieee = priv->rtllib;
- u32 *info_buf = (u32 *)(wrqu->data.pointer);
+ u32 info_buf[3];
- u32 oid = info_buf[0];
- u32 bPromiscuousOn = info_buf[1];
- u32 bFilterSourceStationFrame = info_buf[2];
+ u32 oid;
+ u32 bPromiscuousOn;
+ u32 bFilterSourceStationFrame;
+
+ if (copy_from_user(info_buf, wrqu->data.pointer, sizeof(info_buf)))
+ return -EFAULT;
+
+ oid = info_buf[0];
+ bPromiscuousOn = info_buf[1];
+ bFilterSourceStationFrame = info_buf[2];
if (OID_RT_INTEL_PROMISCUOUS_MODE == oid) {
ieee->IntelPromiscuousModeInfo.bPromiscuousOn =