[PATCH] net: usb: Fix uninit-was-stored issue in asix_read_cmd()

[Himadri Pandya]

Initialize the buffer before passing it to usb_read_cmd() function(s) to
fix the uninit-was-stored issue in asix_read_cmd().

Fixes: KMSAN: kernel-infoleak in raw_ioctl
Reported by: syzbot+a7e220df5a81d1ab400e@xxxxxxxxxxxxxxxxxxxxxxxxx

Signed-off-by: Himadri Pandya <himadrispandya@xxxxxxxxx>
---
 drivers/net/usb/asix_common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
index e39f41efda3e..a67ea1971b78 100644
--- a/drivers/net/usb/asix_common.c
+++ b/drivers/net/usb/asix_common.c
@@ -17,6 +17,8 @@ int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 
 	BUG_ON(!dev);
 
+	memset(data, 0, size);
+
 	if (!in_pm)
 		fn = usbnet_read_cmd;
 	else
-- 
2.17.1