Re: [syzbot] [net?] [usb?] memory leak in rtl8150_set_multicast

[Raka Gunarto]

async_set_registers() does not free the urb and req on the
usb_submit_urb() call fail path. Fix by freeing both objects.

Reported-by: syzbot+8dd915c7cb0490fc8c52@xxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Raka Gunarto <rakagunarto@xxxxxxxxx>
---
 drivers/net/usb/rtl8150.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index 278e6cb6f4..0f6c700a85 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -211,6 +211,8 @@ static int async_set_registers(rtl8150_t *dev, u16
indx, u16 size, u16 reg)
                if (res == -ENODEV)
                        netif_device_detach(dev->netdev);
                dev_err(&dev->udev->dev, "%s failed with %d\n", __func__, res);
+               usb_free_urb(async_urb);
+               kfree(req);
        }
        return res;
 }
--
2.25.1