| Message ID | 20191110140716.11996-1-tranmanphong@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [[Patch,V2] ] usb: asix: cleanup the buffer in asix_read_cmd | expand |
diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index e39f41efda3e..f3eeb7875a4d 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -22,6 +22,8 @@ int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, else fn = usbnet_read_cmd_nopm; + memset(data, 0, size); + ret = fn(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, data, size);
This is for fixing KMSAN: uninit-value in asix_mdio_write comes from syzbot. Reported-by: syzbot+7dc7c28d4577bbe55b10@syzkaller.appspotmail.com Tested by: https://groups.google.com/d/msg/syzkaller-bugs/3H_n05x_sPU/07UIX_TUEgAJ Signed-off-by: Phong Tran <tranmanphong@gmail.com> --- drivers/net/usb/asix_common.c | 2 ++ 1 file changed, 2 insertions(+)