From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01FFCC433EF for ; Thu, 16 Jun 2022 15:22:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377607AbiFPPWg (ORCPT ); Thu, 16 Jun 2022 11:22:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59270 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350792AbiFPPWd (ORCPT ); Thu, 16 Jun 2022 11:22:33 -0400 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2610FDE for ; Thu, 16 Jun 2022 08:22:31 -0700 (PDT) Received: from pps.filterd (m0246631.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 25GChvX7032716; Thu, 16 Jun 2022 15:22:29 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : content-type : content-id : content-transfer-encoding : mime-version; s=corp-2021-07-09; bh=sDv/kmLK4PWg8S6ii2GACJrXp599/uxbPFNriXIBizg=; b=jaausCMRQ2n1F813fTY3ek5wCXqYaXunA+zwdOnZ0MXxRev0DTz+32b4jzrcSzzwruIe faFcyX3YtgX0ySSpgIL9HfP5AJivw6LIeRBAqnENuVQPGTsd7vwtY7RTEKqEyqJj1O6f NxhoczTj0n5XUxCDMY7JJzJEJL38Pw5XTkItotjGfoRkRwxBiyTghvHjNvG4GlSYy+yY nH1aDY5x41p+IiA1cRaPtF/VEFZWYWRH5XM1QHZzMnyjefbaCYdWzIybJS79YHhg+VvN zo7h/nhJ7FJ9DHVNgwGRsU5P4YX522suH3F8+4Lw6KcFHfPU9rChWjPrYHT4RZ5/eskn 6g== Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.appoci.oracle.com [147.154.114.232]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3gmhu2uqh6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 16 Jun 2022 15:22:29 +0000 Received: from pps.filterd (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (8.16.1.2/8.16.1.2) with SMTP id 25GFI5fl005144; Thu, 16 Jun 2022 15:22:28 GMT Received: from nam10-mw2-obe.outbound.protection.outlook.com (mail-mw2nam10lp2100.outbound.protection.outlook.com [104.47.55.100]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com with ESMTP id 3gpr7q6m5v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 16 Jun 2022 15:22:28 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=QRXBWN+QTmdACVY1SwICBvCEWNdCssUW8g9wZugu/I3BnSvCDMPU2IIvXVfz9IUvtRXXbqzofQDKq4DX7rYwWpH+PcKt7WHazrmv2MuFt7M/hrmLVndAfSiu6a0tLPYDkGg5mpwH8aJgcA9YFpgvCHieq6pA0fyjvtfzcWgea3YzI7E3VLQkyZd9oIIOww2FYE2F0Gll3qtbYJlsbR+fZnejkXXaSXLzsn3frtAjB+Jmo/GFAdHvlawb23wXxejXj2xozCCcumtC86Q53CAdUSle3wR2+CB5OmnXVutEXTr+9wpUBPjyd3iBqp7FJhdPfudfJq1BOivJaqelu3bwLg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=sDv/kmLK4PWg8S6ii2GACJrXp599/uxbPFNriXIBizg=; b=X1eoFLPmf6whKCegVwPqLMw/n/1lqaGvYFXEFX2IM841Erqbg2HK5aM3fdf4LpAWWiMeWipBm4LhUujzK/BwRXuX3YEPPr8PgT+KIkF72kdyXXbGjYzoqnVYOHUpG9rIkh6/Cy1xru2sp9B20jbMU6RCPz9M9ApK5Gn6vYfpcmzch+Ae6vbADTw/3ivO9Vl9kIVQCzKOd99dFy6tMqgHdsfvQCV66HJSrgyLdIQm9aTIsa5wuvCYVtNi/eIv8k/lzzg4DaGVtmMqrdTfUo7QOtGG/RRD/AH2gn3pCmaiYOHSrPTavfSERlF4nLRzczJyhRU3NDncf+Sn7ibD6GDDMA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none 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=sDv/kmLK4PWg8S6ii2GACJrXp599/uxbPFNriXIBizg=; b=WqgjfGagNiUGKCtCpywk14/YV5qofahu4ftP55w73ZhvHUl3uuRTUVtnKnN5DuBOrFr/0osSNCRYg1iMrWE6ZF1XxvGYSA8CFagTQkwQeWAk4IplaapigiBHpqPyd8BvLeF8mjy2aIanzJxCpz37Oyw5V91Cm0IVpsBVZCWo9As= Received: from BN0PR10MB5128.namprd10.prod.outlook.com (2603:10b6:408:117::24) by DS7PR10MB4832.namprd10.prod.outlook.com (2603:10b6:5:3a6::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5353.15; Thu, 16 Jun 2022 15:22:26 +0000 Received: from BN0PR10MB5128.namprd10.prod.outlook.com ([fe80::a022:c9:1cd6:8ef0]) by BN0PR10MB5128.namprd10.prod.outlook.com ([fe80::a022:c9:1cd6:8ef0%4]) with mapi id 15.20.5353.015; Thu, 16 Jun 2022 15:22:26 +0000 From: Chuck Lever III To: Steven Rostedt CC: LKML Subject: possible trace_printk() bug in v5.19-rc1 Thread-Topic: possible trace_printk() bug in v5.19-rc1 Thread-Index: AQHYgZTitGaeREyw9E+MZrkNhhszow== Date: Thu, 16 Jun 2022 15:22:26 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3696.100.31) x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: e844d63e-7fcb-4f68-fe53-08da4fac050d x-ms-traffictypediagnostic: DS7PR10MB4832:EE_ x-microsoft-antispam-prvs: x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BN0PR10MB5128.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230016)(366004)(36756003)(316002)(2616005)(186003)(86362001)(33656002)(6916009)(38100700002)(6512007)(26005)(91956017)(2906002)(8676002)(122000001)(64756008)(66476007)(66556008)(76116006)(66946007)(38070700005)(6506007)(4326008)(66446008)(4744005)(508600001)(8936002)(71200400001)(5660300002)(6486002)(45980500001);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?c/YMKek85sVnsD4RkCVSSiQ5SOCg+59r2Qn21v/Q6qTKMsLoJQjvfYt3xdOd?= =?us-ascii?Q?tJfZ45Z9yInfoZMrbYbwduAnGxynIKd2Qnpx9OKmVTX4EIHpvOYVtKWImBQg?= =?us-ascii?Q?ec0WI3tdtnvHekS/Mj+ijm5qvksthsK51jxnYe+q4ZXDds/xG8PDwgcZEUFy?= =?us-ascii?Q?64BUCwlRCkvMxZaELllWzWQ25SqN/soqHivjF6ODB6d0vHuy/mUwMmlB/VJz?= =?us-ascii?Q?XyVL/I7buFgeehHhRl6wS9GYgcd8LEfAGI3FmJ8oLiwwl2fcTDrL7vRuSuWW?= =?us-ascii?Q?FaAyj9SPBYQS7z+5YnpR6PZHkxHxAO6f7/nPNuTmhfKPnDxowcqGR4sfsI4a?= =?us-ascii?Q?So8NWTRX2x2bCgsasRoowbtaZTjxzb6YMId+Pamc/MMOG9wGTUe9AYRAzuCE?= =?us-ascii?Q?oo3fTq2n9khsfNOWnxrkXWpHao34RLds+UJOYoD0/ecOv9HWslYrjL+Djjax?= =?us-ascii?Q?6jvG0mYHTSMdv0tP78+U7vCBuJ0k1TxuB9R7k7ETRSBjkU6AvrUGp1HYthux?= =?us-ascii?Q?DRnAjluq8zlAutX/hog2KgkqdEhVoOWA16mMyqPrR1PDYA4KZo9MbfcISmcb?= =?us-ascii?Q?JUBv/TJlG45V3YunJ9KAKb6g7teolfgD636nNqZCa2qkWr5L32nC1DbTse6T?= =?us-ascii?Q?SgzFULbKM0WhC/Sxf4zXa32+hl5GAbxph0xA2cnRPKjSRT7i1KAbsUb8rVPn?= =?us-ascii?Q?GNvDUfl9Uue9dSYL2+0ybqn1yZgqT9jF7FjNqjYN6EMv8Q9Yt7n3AwIzrO3Q?= =?us-ascii?Q?9EnXW6Xg4mOwJ5NSnCiFrlD7Q8EOjuYJmxGv37PerOPF6/MEspySTTZ+/eHZ?= =?us-ascii?Q?vzHyM5JbW/VjLEZd8GQcmpGEF2wCa8XF2+jndFC8Pot4nqGyqZ8j1aUXluU4?= =?us-ascii?Q?64U123JRUCz368LiGXz1dZBsFN08MtfM6g/zfVt/wYGFz/WkrWCgwgsl/cTE?= =?us-ascii?Q?IrF4kZiC1PO/H53ifyBN8gVb07fGgG/HgP2MVijwfRKwCfjxeMYWkeLD/YL1?= =?us-ascii?Q?wWNdw2S7yG7fwmqESWl0vZrlgt4Dxs1Miuu8JDriKn5/3mN3jsV/V7cnM++e?= =?us-ascii?Q?ocXNgma2Iwnx3fp716MTTnmUL+3Ei591hdlsoW3lUgoFSujtynw0q1UHVPer?= =?us-ascii?Q?+4z8wmO6rmLz0stxhTRJhbU466cNMGqkNgqCxpdLF5hEkWuAxSWvD87nAn2f?= =?us-ascii?Q?gu0TVuc2QX2P62GUwkgJ4URjcPKyZmlzQf6uG4Q7K3QGvhoKOumsIgj9wedo?= =?us-ascii?Q?xmBulApN34N/CXYr9OL7m382VlfK70f2x1+3Znjgq2m1WC++zC1Vuv8CW6tb?= =?us-ascii?Q?aH096MPc25wV6C7XFG0vkU5lHByBRZorKUL7lrLeUn4XZr1Xd0DmE5hbXLNa?= =?us-ascii?Q?id5PuIeymADyrg28J+S8nMW4kOFbeqmLBqtQtvrxGAkLfIm/UQOgLg33EzZ9?= =?us-ascii?Q?0rOOzz9ZwxBTBqBHGO/SEA6kUHB3ePavGK20G+ruz+jkyWc6/4fL00tu+8Wt?= =?us-ascii?Q?+4MRSYMLKzM/anIaOgV1lLZ2FnP3InmZgIo819h50DYHxnDC0W2wnE7Efu2w?= =?us-ascii?Q?jo/2F+TFzDSc7rriZt64G/h+luYosarhJBoe9jxc96faXkRQsCqi0ZCJiN4s?= =?us-ascii?Q?W+aH/Th8azoxf5Y7nQeAyI9WFfRdjvaS5SAEBJOW5ry4lfI7ynL3UdH/X00Z?= =?us-ascii?Q?IRgcz0lmQuRAs9Bcn0pkAB8EFjlJ0B6Bhl5zmN1deDJ/FOl4yzenQ4G9LeBO?= =?us-ascii?Q?F0EUNYgXjlFvXXRICr8idN6k37yuUIs=3D?= Content-Type: text/plain; charset="us-ascii" Content-ID: <8BBEBFDD772B61439F299CBF623AEB09@namprd10.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BN0PR10MB5128.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: e844d63e-7fcb-4f68-fe53-08da4fac050d X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Jun 2022 15:22:26.3806 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: oRZjP93KpUutTMQcnwMLDa8q/IJzyU5xtMc6HpKkRH76/JFO9dX4gE7aAj+oBhVQQRGK6D8gSlOtEIj9QOnXQQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR10MB4832 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.517,18.0.883 definitions=2022-06-16_10:2022-06-16,2022-06-16 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 malwarescore=0 mlxscore=0 adultscore=0 suspectscore=0 mlxlogscore=772 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2204290000 definitions=main-2206160063 X-Proofpoint-GUID: PiueXX6kuE_ewCR2JirO4OBs2HIeF2Xy X-Proofpoint-ORIG-GUID: PiueXX6kuE_ewCR2JirO4OBs2HIeF2Xy Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Steve- Since v5.19-rc1, trace_printk() no longer displays a function name, but rather a kernel address. I don't have time at the moment to track this down to a specific commit, just parking it here in case someone can get to it sooner than me. -0 [003] 269.397568: bprint: 0xffffffff= c0cccab7: nf=3D0xffff888172dbfba0 still on the LRU or a dispose list -0 [003] 269.397576: bprint: 0xffffffff= c0cccafa: nf=3D0xffff888172dbfba0 -0 [003] 269.397583: bprint: 0xffffffff= c0cccab7: nf=3D0xffff8881726cd4d8 still on the LRU or a dispose list -0 [003] 269.397584: bprint: 0xffffffff= c0cccafa: nf=3D0xffff8881726cd4d8 -- Chuck Lever