In mcba_usb_read_bulk_callback(), when we don't resubmit the urb, we need to deallocate the transfer buffer that is allocated in mcba_usb_start(). Reported-by: syzbot+57281c762a3922e14dfe@xxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Bui Quang Minh <minhquangbui99@xxxxxxxxx> --- drivers/net/can/usb/mcba_usb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/can/usb/mcba_usb.c b/drivers/net/can/usb/mcba_usb.c index df54eb7d4b36..7375c384cbd2 100644 --- a/drivers/net/can/usb/mcba_usb.c +++ b/drivers/net/can/usb/mcba_usb.c @@ -584,6 +584,8 @@ static void mcba_usb_read_bulk_callback(struct urb *urb) case -EPIPE: case -EPROTO: case -ESHUTDOWN: + usb_free_coherent(urb->dev, urb->transfer_buffer_length, + urb->transfer_buffer, urb->transfer_dma); return; default: -- 2.17.1
