--- zzzz-none-000/linux-5.4.213/drivers/usb/dwc3/debugfs.c	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/drivers/usb/dwc3/debugfs.c	2024-08-14 09:02:08.000000000 +0000
@@ -423,7 +423,7 @@
 	struct seq_file		*s = file->private_data;
 	struct dwc3		*dwc = s->private;
 	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;
@@ -500,7 +500,7 @@
 	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;
@@ -573,7 +573,7 @@
 	struct dwc3		*dwc = s->private;
 	unsigned long		flags;
 	enum dwc3_link_state	state = 0;
-	char			buf[32];
+	char			buf[32] = {0};
 	u32			reg;
 	u8			speed;