Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752395AbbBRQIt (ORCPT ); Wed, 18 Feb 2015 11:08:49 -0500 Received: from mail-db3on0055.outbound.protection.outlook.com ([157.55.234.55]:31456 "EHLO emea01-db3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751596AbbBRQIs convert rfc822-to-8bit (ORCPT ); Wed, 18 Feb 2015 11:08:48 -0500 X-Greylist: delayed 952 seconds by postgrey-1.27 at vger.kernel.org; Wed, 18 Feb 2015 11:08:47 EST From: Shachar Raindel To: "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Use-after-free oops in next-20150204 - probably nelink related Thread-Topic: Use-after-free oops in next-20150204 - probably nelink related Thread-Index: AdBLko0hFm6OsBXSTxSsG564wCoQEA== Date: Wed, 18 Feb 2015 15:52:25 +0000 Deferred-Delivery: Wed, 18 Feb 2015 15:51:45 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [193.47.165.251] authentication-results: vger.kernel.org; dkim=none (message not signed) header.d=none; x-microsoft-antispam: BCL:0;PCL:0;RULEID:;SRVR:AM3PR05MB0933; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:;SRVR:AM3PR05MB0933; x-forefront-prvs: 04916EA04C x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(6009001)(164054003)(479174004)(230783001)(19580395003)(229853001)(107886001)(66066001)(86362001)(2501002)(2900100001)(122556002)(2656002)(33656002)(74316001)(87936001)(575784001)(76576001)(46102003)(77156002)(40100003)(92566002)(50986999)(102836002)(54356999)(450100001)(62966003)(579004);DIR:OUT;SFP:1101;SCL:1;SRVR:AM3PR05MB0933;H:AM3PR05MB0935.eurprd05.prod.outlook.com;FPR:;SPF:None;MLV:sfv;LANG:; Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Feb 2015 15:52:53.2977 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM3PR05MB0933 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 22150 Lines: 256 Hi, I'm running trinity inside a VM running linux-next tagged next-20150204. The kernel debugging infrastructure detected a use-after-free situation, probably in netlink: [25041.653858] ============================================================================= [25041.654502] BUG kmalloc-2048 (Not tainted): Poison overwritten [25041.654502] ----------------------------------------------------------------------------- [25041.654502] [25041.654502] Disabling lock debugging due to kernel taint [25041.654502] INFO: 0xffff88007a213f88-0xffff88007a213f8f. First byte 0x19 instead of 0x6b [25041.654502] INFO: Allocated in sk_prot_alloc+0xcb/0x1b0 age=4824 cpu=0 pid=950 [25041.654502] __slab_alloc+0x4dc/0x586 [25041.654502] __kmalloc+0x3f8/0x480 [25041.654502] sk_prot_alloc+0xcb/0x1b0 [25041.654502] sk_alloc+0x30/0x2e0 [25041.654502] __netlink_create+0x37/0xe0 [25041.654502] netlink_create+0xea/0x250 [25041.654502] __sock_create+0x2a3/0x3c0 [25041.654502] SyS_socket+0x61/0xf0 [25041.654502] tracesys_phase2+0xd8/0xdd [25041.654502] INFO: Freed in __sk_free+0x178/0x1c0 age=4687 cpu=0 pid=9 [25041.654502] __slab_free+0x55/0x242 [25041.654502] kfree+0x369/0x380 [25041.654502] __sk_free+0x178/0x1c0 [25041.654502] sk_free+0x19/0x20 [25041.654502] deferred_put_nlk_sk+0x20/0x30 [25041.654502] rcu_nocb_kthread+0x24b/0x630 [25041.654502] kthread+0x10d/0x130 [25041.654502] ret_from_fork+0x7c/0xb0 [25041.654502] INFO: Slab 0xffffea0001e88400 objects=13 used=13 fp=0x (null) flags=0x1fffff80004080 [25041.654502] INFO: Object 0xffff88007a2137b0 @offset=14256 fp=0xffff88007a210000 [25041.654502] [25041.654502] Bytes b4 ffff88007a2137a0: d8 ee aa 00 01 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a ........ZZZZZZZZ [25041.654502] Object ffff88007a2137b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2137c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2137d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2137e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2137f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213800: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213810: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213820: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213830: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213840: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213850: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213860: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213870: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213880: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213890: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2138a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2138b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2138c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2138d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2138e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2138f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213900: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213910: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213920: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213930: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213940: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213950: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213960: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213970: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213980: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213990: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2139a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2139b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2139c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2139d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2139e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a2139f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213a00: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213a10: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213a20: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213a30: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213a40: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213a50: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213a60: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213a70: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213a80: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213a90: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213aa0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213ab0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213ac0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213ad0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213ae0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213af0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213b00: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213b10: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213b20: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213b30: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213b40: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213b50: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213b60: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213b70: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213b80: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213b90: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213ba0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213bb0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213bc0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213bd0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213be0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213bf0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213c00: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213c10: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213c20: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213c30: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213c40: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213c50: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213c60: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213c70: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213c80: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213c90: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213ca0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213cb0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213cc0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213cd0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213ce0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213cf0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213d00: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213d10: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213d20: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213d30: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213d40: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213d50: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213d60: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213d70: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213d80: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213d90: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213da0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213db0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213dc0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213dd0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213de0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213df0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213e00: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213e10: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213e20: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213e30: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213e40: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213e50: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213e60: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213e70: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213e80: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213e90: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213ea0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213eb0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213ec0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213ed0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213ee0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213ef0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213f00: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213f10: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213f20: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213f30: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213f40: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213f50: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213f60: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213f70: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213f80: 6b 6b 6b 6b 6b 6b 6b 6b 19 00 00 00 00 00 00 00 kkkkkkkk........ [25041.654502] Object ffff88007a213f90: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [25041.654502] Object ffff88007a213fa0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk. [25041.654502] Redzone ffff88007a213fb0: bb bb bb bb bb bb bb bb ........ [25041.654502] Padding ffff88007a2140f0: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ [25041.654502] CPU: 2 PID: 16599 Comm: top Tainted: G B 3.19.0-rc7-next-20150204+ #28 [25041.654502] Hardware name: Red Hat KVM, BIOS Bochs 01/01/2007 [25041.654502] 0000000000000000 000000007af2d0f6 ffff8800048ab448 ffffffff8175d68e [25041.654502] 0000000000000000 ffff88007ec04f00 ffff8800048ab488 ffffffff812287ad [25041.654502] 0000000000000008 ffff880000000001 ffff88007a213f90 ffff88007ec04f00 [25041.654502] Call Trace: [25041.654502] [] dump_stack+0x4c/0x65 [25041.654502] [] print_trailer+0x14d/0x200 [25041.654502] [] check_bytes_and_report+0xcf/0x110 [25041.654502] [] check_object+0x1d7/0x250 [25041.654502] [] ? alloc_indirect.isra.10+0x20/0x60 [virtio_ring] [25041.654502] [] alloc_debug_processing+0x76/0x118 [25041.654502] [] __slab_alloc+0x4dc/0x586 [25041.654502] [] ? alloc_indirect.isra.10+0x20/0x60 [virtio_ring] [25041.654502] [] __kmalloc+0x3f8/0x480 [25041.654502] [] ? alloc_indirect.isra.10+0x20/0x60 [virtio_ring] [25041.654502] [] alloc_indirect.isra.10+0x20/0x60 [virtio_ring] [25041.654502] [] ? deactivate_slab+0x5a9/0x640 [25041.654502] [] virtqueue_add_sgs+0xce/0x420 [virtio_ring] [25041.654502] [] __virtblk_add_req+0xc2/0x1d0 [virtio_blk] [25041.654502] [] ? sched_clock_cpu+0xa8/0xd0 [25041.654502] [] ? local_clock+0x15/0x30 [25041.654502] [] ? virtio_queue_rq+0x107/0x290 [virtio_blk] [25041.654502] [] ? virtio_queue_rq+0x107/0x290 [virtio_blk] [25041.654502] [] virtio_queue_rq+0x12b/0x290 [virtio_blk] [25041.654502] [] __blk_mq_run_hw_queue+0x1fd/0x3c0 [25041.654502] [] ? blk_sq_make_request+0x231/0x5a0 [25041.654502] [] blk_mq_run_hw_queue+0xd0/0x110 [25041.654502] [] blk_sq_make_request+0x250/0x5a0 [25041.654502] [] generic_make_request+0xe0/0x130 [25041.654502] [] submit_bio+0x77/0x150 [25041.654502] [] ? workingset_refault+0x5a/0xb0 [25041.654502] [] mpage_bio_submit+0x2a/0x40 [25041.654502] [] mpage_readpages+0x119/0x150 [25041.654502] [] ? _ext4_get_block+0x220/0x220 [ext4] [25041.654502] [] ? _ext4_get_block+0x220/0x220 [ext4] [25041.654502] [] ? alloc_pages_current+0x107/0x1a0 [25041.654502] [] ext4_readpages+0x44/0x50 [ext4] [25041.654502] [] __do_page_cache_readahead+0x2cf/0x350 [25041.654502] [] ? __do_page_cache_readahead+0x18b/0x350 [25041.654502] [] filemap_fault+0x3b7/0x460 [25041.654502] [] ? handle_mm_fault+0xcd5/0x1700 [25041.654502] [] __do_fault+0x4c/0xd0 [25041.654502] [] handle_mm_fault+0xcf0/0x1700 [25041.654502] [] ? __lock_is_held+0x5f/0x90 [25041.654502] [] __do_page_fault+0x1a8/0x470 [25041.654502] [] do_page_fault+0x31/0x70 [25041.654502] [] page_fault+0x28/0x30 [25041.654502] FIX kmalloc-2048: Restoring 0xffff88007a213f88-0xffff88007a213f8f=0x6b [25041.654502] [25041.654502] FIX kmalloc-2048: Marking all objects used [25044.404089] ------------[ cut here ]------------ [25044.404792] WARNING: CPU: 0 PID: 5418 at fs/locks.c:243 locks_free_lock_context+0x64/0xc0() [25044.406736] Modules linked in: 8021q garp mrp stp llc fuse cmtp kernelcapi bnep tun hidp crypto_user af_key rfcomm bluetooth vmw_vsock_vmci_transport vmw_vmci vsock l2tp_ppp l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel pppoe pppox ppp_generic slhc scsi_transport_iscsi nfnetlink sctp libcrc32c ieee802154_socket ieee802154 atm nfsv3 rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache cfg80211 rfkill sg snd_hda_codec_generic snd_hda_intel snd_hda_controller dm_mirror snd_hda_codec dm_region_hash dm_log dm_mod snd_hwdep snd_seq snd_seq_device ppdev snd_pcm snd_timer snd virtio_balloon serio_raw pcspkr parport_pc parport soundcore 8250_fintek i2c_piix4 nfsd acpi_cpufreq auth_rpcgss nfs_acl lockd grace sunrpc uinput ext4 mbcache jbd2 cirrus syscopyarea sysfillrect sysimgblt drm_kms_helper virtio_blk ttm ata_generic pata_acpi drm 8139too ata_piix libata virtio_pci virtio_ring 8139cp i2c_core virtio mii floppy [25044.422972] CPU: 0 PID: 5418 Comm: trinity-main Tainted: G B 3.19.0-rc7-next-20150204+ #28 [25044.424649] Hardware name: Red Hat KVM, BIOS Bochs 01/01/2007 [25044.425889] 0000000000000000 00000000450cf6e2 ffff88007b90bca8 ffffffff8175d68e [25044.427475] 0000000000000000 0000000000000000 ffff88007b90bce8 ffffffff8108930a [25044.428739] ffff88007b90bd08 ffff88007bc8d220 ffff880058fd0b70 ffffffff8183af80 [25044.430236] Call Trace: [25044.430605] [] dump_stack+0x4c/0x65 [25044.431548] [] warn_slowpath_common+0x8a/0xc0 [25044.432674] [] warn_slowpath_null+0x1a/0x20 [25044.433574] [] locks_free_lock_context+0x64/0xc0 [25044.434821] [] __destroy_inode+0x3a/0x100 [25044.435761] [] destroy_inode+0x26/0x70 [25044.436586] [] evict+0x10a/0x180 [25044.437418] [] iput+0x1ce/0x390 [25044.438264] [] __dentry_kill+0x190/0x200 [25044.439310] [] ? dput+0x26e/0x330 [25044.440411] [] dput+0x27d/0x330 [25044.441173] [] ? dput+0x20/0x330 [25044.442248] [] __fput+0x1a7/0x240 [25044.443138] [] ____fput+0xe/0x10 [25044.443880] [] task_work_run+0xbc/0xf0 [25044.444950] [] do_exit+0x389/0xcc0 [25044.445871] [] ? __audit_syscall_entry+0xb4/0x110 [25044.446956] [] ? do_audit_syscall_entry+0x6c/0x70 [25044.448171] [] do_group_exit+0x4c/0xc0 [25044.449171] [] SyS_exit_group+0x14/0x20 [25044.449991] [] tracesys_phase2+0xd8/0xdd [25044.450808] ---[ end trace 840289003955b5ec ]--- Thanks, --Shachar -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/