From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-00069f02.pphosted.com ([205.220.177.32]:8088 "EHLO mx0b-00069f02.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237378AbhHDOgX (ORCPT ); Wed, 4 Aug 2021 10:36:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : content-type : in-reply-to : mime-version; s=corp-2021-07-09; bh=lkfPBbONhJQzF99TIzYHxy/lp4KuQbAoG+6Y6SBGt/Q=; b=aE1HNGNtCVL3haDdd7DU0ROVCE3QECEQoz7seOUZfl/7G+r+p7paKVT342tsu1qCnTDT tAZEI5lFRJtZEK1Kt24ZE+Cv+uUfJUsK3jfFAs1fIFloc0vXJSKoWS8B0hmP2s6WB+F+ SLYdbwg5HvSUcb8lfHq0PZUQnFtDGuCMplN5NverBdkoI8wTr++ih09nlYn0GQlRypa6 4fc2e/ysb3K/YUrmjObHXCjJUHAJ+oPq1fi68TJGuX6E1DBHQCihf6fWzpeqb3cNDAz/ kZCYEDnBbXfWikDCjH3v8H5KZDV5HQMv62yMNDh9VXxzJbp6ddeIfFOnuHnTF4Gy8L5r PQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : content-type : in-reply-to : mime-version; s=corp-2020-01-29; bh=lkfPBbONhJQzF99TIzYHxy/lp4KuQbAoG+6Y6SBGt/Q=; b=PZumgkyfAMrvZx0MGzgJEdOc8KPRQ2VxQTfhiwryGJkky8m+0cTu1/cJV8XdYrfm5t/W WDiMVWEXVxlpMyih5VSHyS6FzN0ZyzZIz85ygBpFXkcE1ygbaXaU+5lhTK8bB0AEpzaj +PFZO8DyqvJNNBw8XPwQr4bYOColFxJ03B0bFhelXwpNu9VX6MJR91mJFQAc056fwh9A Spl7a8mvSEurg4g732QWGHVlS80g04+oDTwRS97Stcp+aEn4bVFVgeqEHv+E9smDWkxt Koe2KTlR4XRv1eL9VekStkAOQ2DV0I2SEsQgCtC4X8jqqfTiUackrSOWghhJ92wTO2Pf 0g== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=lkfPBbONhJQzF99TIzYHxy/lp4KuQbAoG+6Y6SBGt/Q=; b=aetiVGbFl5cz1l8Paq8MHKMVLYl/P8NlVxO9Zg6CUY9Ov+CHE1n2L/1saw9TacIRhvsY813A7wN9wjmdQB0e5hFQIEKAQMaTlkqfPzpy32sNk3BU9cl6O5W7UhzBR5IKPJM/WlJHEQXtq2mKY9e5IEl57RaJk0g9h2IYGQnG9PU= Date: Wed, 4 Aug 2021 17:35:32 +0300 From: Dan Carpenter Subject: Re: [PATCH] check_netdev_priv: warn about using netdev priv data after free_netdev Message-ID: <20210804143532.GM1931@kadam> References: <20210802210022.5226-1-paskripkin@gmail.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210802210022.5226-1-paskripkin@gmail.com> MIME-Version: 1.0 List-ID: To: Pavel Skripkin Cc: smatch@vger.kernel.org Pushed! This finds two bugs in my allmodconfig. They're both real bugs. drivers/net/ethernet/freescale/fec_main.c:3994 fec_drv_remove() error: Using fep after free_{netdev,candev}(ndev); drivers/net/ethernet/freescale/fec_main.c:3995 fec_drv_remove() error: Using fep after free_{netdev,candev}(ndev); drivers/net/ethernet/neterion/vxge/vxge-main.c:3518 vxge_device_unregister() error: Using vdev after free_{netdev,candev}(dev); drivers/net/ethernet/neterion/vxge/vxge-main.c:3518 vxge_device_unregister() error: Using vdev after free_{netdev,candev}(dev); drivers/net/ethernet/neterion/vxge/vxge-main.c:3520 vxge_device_unregister() error: Using vdev after free_{netdev,candev}(dev); drivers/net/ethernet/neterion/vxge/vxge-main.c:3520 vxge_device_unregister() error: Using vdev after free_{netdev,candev}(dev); Presumably you already sent fixes or reported these? regards, dan carpenter