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Message-ID: <PH0PR11MB5880D33225C1E8A684BCFF64DA1F9@PH0PR11MB5880.namprd11.prod.outlook.com> Date: Wed, 30 Mar 2022 02:37:30 +0000 From: "Zhang, Qiang1" <qiang1.zhang@...el.com> To: syzbot <syzbot+4d0ae90a195b269f102d@...kaller.appspotmail.com>, "davem@...emloft.net" <davem@...emloft.net>, "kuba@...nel.org" <kuba@...nel.org>, "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "mkl@...gutronix.de" <mkl@...gutronix.de>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "pabeni@...hat.com" <pabeni@...hat.com>, "pfink@...ist-es.de" <pfink@...ist-es.de>, "syzkaller-bugs@...glegroups.com" <syzkaller-bugs@...glegroups.com>, "wg@...ndegger.com" <wg@...ndegger.com> Subject: RE: [syzbot] memory leak in gs_usb_probe Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to apply patch: checking file drivers/net/can/usb/gs_usb.c patch: **** unexpected end of file in patch #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c index 67408e316062..5234cfff84b8 100644 --- a/drivers/net/can/usb/gs_usb.c +++ b/drivers/net/can/usb/gs_usb.c @@ -1092,6 +1092,7 @@ static struct gs_can *gs_make_candev(unsigned int channel, dev->data_bt_const.brp_inc = le32_to_cpu(bt_const_extended->dbrp_inc); dev->can.data_bittiming_const = &dev->data_bt_const; + kfree(bt_const_extended); } SET_NETDEV_DEV(netdev, &intf->dev); Tested on: commit: c2528a0c Add linux-next specific files for 20220329 git tree: linux-next dashboard link: https://syzkaller.appspot.com/bug?extid=4d0ae90a195b269f102d compiler: patch: https://syzkaller.appspot.com/x/patch.diff?x=163e219b700000
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