From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Anton Vasilyev , Marc Kleine-Budde Subject: [PATCH 4.9 26/32] can: ems_usb: Fix memory leak on ems_usb_disconnect() Date: Sat, 4 Aug 2018 11:01:16 +0200 Message-Id: <20180804082651.234651887@linuxfoundation.org> In-Reply-To: <20180804082649.908295462@linuxfoundation.org> References: <20180804082649.908295462@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Anton Vasilyev commit 72c05f32f4a5055c9c8fe889bb6903ec959c0aad upstream. ems_usb_probe() allocates memory for dev->tx_msg_buffer, but there is no its deallocation in ems_usb_disconnect(). Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Anton Vasilyev Cc: Signed-off-by: Marc Kleine-Budde Signed-off-by: Greg Kroah-Hartman --- drivers/net/can/usb/ems_usb.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -1071,6 +1071,7 @@ static void ems_usb_disconnect(struct us usb_free_urb(dev->intr_urb); kfree(dev->intr_in_buffer); + kfree(dev->tx_msg_buffer); } }