From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763992AbYBUQ2J (ORCPT ); Thu, 21 Feb 2008 11:28:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755485AbYBUQ1y (ORCPT ); Thu, 21 Feb 2008 11:27:54 -0500 Received: from rgminet01.oracle.com ([148.87.113.118]:18024 "EHLO rgminet01.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754146AbYBUQ1w (ORCPT ); Thu, 21 Feb 2008 11:27:52 -0500 Date: Thu, 21 Feb 2008 08:25:53 -0800 From: Randy Dunlap To: lkml Cc: gregkh Subject: 2.6.25-rc2-git4 BUG: sysfs_readdir Message-Id: <20080221082553.ddc4e723.randy.dunlap@oracle.com> Organization: Oracle Linux Eng. X-Mailer: Sylpheed 2.4.7 (GTK+ 2.8.10; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: AAAAAQAAAAI= X-Brightmail-Tracker: AAAAAQAAAAI= X-Whitelist: TRUE X-Whitelist: TRUE Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org One of my (x86_64) test machines got this on booting 2.6.25-rc2-git4. insmod used greatest stack depth: 4144 bytes left EXT3-fs: INFO: recovery required on readonly filesystem. EXT3-fs: write access will be enabled during recovery. kjournald starting. Commit interval 5 seconds EXT3-fs: recovery complete. EXT3-fs: mounted filesystem with ordered data mode. modprobe used greatest stack depth: 3600 bytes left BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 IP: [] sysfs_readdir+0xe0/0x13f PGD 0 Oops: 0000 [1] SMP CPU 2 Modules linked in: cciss ehci_hcd ohci_hcd uhci_hcd Pid: 697, comm: udevtrigger Not tainted 2.6.25-rc2-git5 #1 RIP: 0010:[] [] sysfs_readdir+0xe0/0x13f RSP: 0018:ffff81027e8c3eb8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff81027fb35a50 RCX: ffffffffffffffff RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff81027e8c3ee8 R08: 000000006765b9c6 R09: 000000000000000a R10: 0000000000000000 R11: 0000000000000202 R12: ffff81027e093b40 R13: ffffffff80299e04 R14: ffff81027e8c3f38 R15: ffffffff80299e04 FS: 00007ffe6743f710(0000) GS:ffff81027f88c680(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000000 CR3: 000000027e8d6000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process udevtrigger (pid: 697, threadinfo ffff81027e8c2000, task ffff81027e5fa000) Stack: ffff81027f467280 ffff81027f467338 ffff81027e093b40 00000000fffffffe ffff81027f467280 ffff81027f467338 ffff81027e8c3f28 ffffffff80299f33 ffff81027e8c3f38 00007ffe6765b618 00000000fffffff7 ffff81027e093b40 Call Trace: [] vfs_readdir+0x6a/0x9f [] sys_getdents+0x7a/0xc5 [] system_call_after_swapgs+0x7b/0x80 Code: 00 48 8b 5b 28 eb 04 48 8b 5b 10 48 85 db 74 62 48 8b 43 38 49 39 44 24 38 77 ec eb 40 48 8b 73 18 31 c0 48 83 c9 ff fc 48 89 f7 ae 4c 89 f7 48 f7 d1 48 8d 41 ff 48 8b 4b 38 89 c2 49 89 4c RIP [] sysfs_readdir+0xe0/0x13f RSP CR2: 0000000000000000 ---[ end trace b4dedabc6a9f743a ]--- --- ~Randy