--- zzzz-none-000/linux-4.4.60/drivers/usb/dwc3/debugfs.c	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/drivers/usb/dwc3/debugfs.c	2021-02-04 17:41:59.000000000 +0000
@@ -396,7 +396,7 @@
 	struct dwc3		*dwc = s->private;
 	unsigned long		flags;
 	u32			mode = 0;
-	char			buf[32];
+	char buf[32] = {0};
 
 	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
 		return -EFAULT;
@@ -476,7 +476,7 @@
 	struct dwc3		*dwc = s->private;
 	unsigned long		flags;
 	u32			testmode = 0;
-	char			buf[32];
+	char			buf[32] = {0};
 
 	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
 		return -EFAULT;
@@ -583,7 +583,7 @@
 	struct dwc3		*dwc = s->private;
 	unsigned long		flags;
 	enum dwc3_link_state	state = 0;
-	char			buf[32];
+	char			buf[32] = {0};
 
 	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
 		return -EFAULT;