From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753874AbaCJQIK (ORCPT ); Mon, 10 Mar 2014 12:08:10 -0400 Received: from mail001.aei.ca ([206.123.6.130]:39919 "EHLO mail001.aei.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752277AbaCJQIH (ORCPT ); Mon, 10 Mar 2014 12:08:07 -0400 From: Ed Tomlinson To: linux-kernel@vger.kernel.org Subject: [BUG] 3.14-rc6 at mousedev_open_device+0x77/0x100 Date: Mon, 10 Mar 2014 12:07:56 -0400 Message-ID: <1513450.PT1cqDJBLI@grover> Organization: me User-Agent: KMail/4.12.3 (Linux/3.14.0-1-mainline; KDE/4.12.3; x86_64; ; ) MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi This happens every couple of boots with 3.14-rc kernels have not noticed it with 3.13. Not really sure where else this should be sent... Mar 10 10:45:05 localhost kernel: [ 4.740750] BUG: unable to handle kernel NULL pointer dereference at (null) Mar 10 10:45:05 localhost kernel: [ 4.740845] IP: [] mousedev_open_device+0x77/0x100 [mousedev] Mar 10 10:45:05 localhost kernel: [ 4.740930] PGD 412cfa067 PUD 41881e067 PMD 0 Mar 10 10:45:05 localhost kernel: [ 4.740989] Oops: 0000 [#1] PREEMPT SMP Mar 10 10:45:05 localhost kernel: [ 4.741043] Modules linked in: mousedev(+) pl2303 usbserial btusb joydev hid_generic snd_usb_audio usbhid snd_usbmidi_lib snd_ rawmidi hid snd_seq_device zram nct6775 hwmon_vid radeon ttm btrfs snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi raid6_pq xor iTCO_wdt iTCO_vendor _support x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf1 28mul glue_helper ablk_helper cryptd psmouse pcspkr i2c_i801 serio_raw tpm_tis tpm i915 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm drm_kms_helper mei_me snd_tim er e1000e drm nuvoton_cir mei snd rc_core shpchp intel_gtt ptp i2c_algo_bit pps_core soundcore lpc_ich evdev microcode ath3k bluetooth 6lowpan_iphc rfkill gspca_pa c7311 gspca_ov519 gspca_main videodev media i2c_core video acpi_power_meter thermal processor pci chipreg mtd fan button battery acpi_pad acpi_ipmi ipmi_msghandler ext4 crc16 mbcache jbd2 usb_storage sd_mod crc_t10dif crct10dif_common atkbd libps2 ahci libahci libata ehci_pci xhci_hcd ehci_hcd scsi_mod usbcore usb_common i80 42 serio Mar 10 10:45:05 localhost kernel: [ 4.742722] CPU: 4 PID: 338 Comm: acpid Not tainted 3.14.0-1-mainline #1 Mar 10 10:45:05 localhost kernel: [ 4.742822] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z87E-ITX, BIOS P2.30 12/06/2013 Mar 10 10:45:05 localhost kernel: [ 4.742916] task: ffff8804170889e0 ti: ffff8800c2800000 task.ti: ffff8800c2800000 Mar 10 10:45:05 localhost kernel: [ 4.743013] RIP: 0010:[] [] mousedev_open_device+0x77/0x100 [mousedev] Mar 10 10:45:05 localhost kernel: [ 4.743015] RSP: 0018:ffff8800c2801c10 EFLAGS: 00010202 Mar 10 10:45:05 localhost kernel: [ 4.743021] RAX: 0000000000000000 RBX: ffff880404650800 RCX: ffff880404650868 Mar 10 10:45:05 localhost kernel: [ 4.743023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000246 Mar 10 10:45:05 localhost kernel: [ 4.743024] RBP: ffff8800c2801c28 R08: 0000000000000000 R09: ffff88041e803600 Mar 10 10:45:05 localhost kernel: [ 4.743025] R10: 0000000000000000 R11: 0000000000000004 R12: 0000000000000000 Mar 10 10:45:05 localhost kernel: [ 4.743027] R13: ffff880404650880 R14: ffff88040a78f778 R15: ffff880417744c00 Mar 10 10:45:05 localhost kernel: [ 4.743029] FS: 00007f93d2f6c700(0000) GS:ffff88042f300000(0000) knlGS:0000000000000000 Mar 10 10:45:05 localhost kernel: [ 4.743031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Mar 10 10:45:05 localhost kernel: [ 4.743032] CR2: 0000000000000000 CR3: 0000000417542000 CR4: 00000000001407e0 Mar 10 10:45:05 localhost kernel: [ 4.743033] Stack: Mar 10 10:45:05 localhost kernel: [ 4.743038] ffff880412de1c00 ffff880404650800 ffff880404650878 ffff8800c2801c60 Mar 10 10:45:05 localhost kernel: [ 4.743041] ffffffffa02ef0cc ffff880404650b48 ffff88040a78f778 ffff880417744c00 Mar 10 10:45:05 localhost kernel: [ 4.743045] ffffffffa02efe80 ffff880417744c10 ffff8800c2801c98 ffffffff811b5e2f Mar 10 10:45:05 localhost kernel: [ 4.743046] Call Trace: Mar 10 10:45:05 localhost kernel: [ 4.743054] [] mousedev_open+0xcc/0x150 [mousedev] Mar 10 10:45:05 localhost kernel: [ 4.743061] [] chrdev_open+0x9f/0x1d0 Mar 10 10:45:05 localhost kernel: [ 4.743068] [] do_dentry_open+0x1b7/0x2c0 Mar 10 10:45:05 localhost kernel: [ 4.743073] [] ? __inode_permission+0x41/0xb0 Mar 10 10:45:05 localhost kernel: [ 4.743077] [] ? cdev_put+0x30/0x30 Mar 10 10:45:05 localhost kernel: [ 4.743081] [] finish_open+0x31/0x40 Mar 10 10:45:05 localhost kernel: [ 4.743086] [] do_last+0x572/0xe90 Mar 10 10:45:05 localhost kernel: [ 4.743091] [] ? link_path_walk+0x236/0x8d0 Mar 10 10:45:05 localhost kernel: [ 4.743097] [] path_openat+0xbb/0x6b0 Mar 10 10:45:05 localhost kernel: [ 4.743102] [] do_filp_open+0x3a/0x90 Mar 10 10:45:05 localhost kernel: [ 4.743106] [] ? __alloc_fd+0xa7/0x130 Mar 10 10:45:05 localhost kernel: [ 4.743111] [] do_sys_open+0x124/0x220 Mar 10 10:45:05 localhost kernel: [ 4.743116] [] SyS_open+0x1e/0x20 Mar 10 10:45:05 localhost kernel: [ 4.743120] [] system_call_fastpath+0x1a/0x1f Mar 10 10:45:05 localhost kernel: [ 4.743151] Code: c0 f2 23 e1 5b 44 89 e0 41 5c 41 5d 5d c3 66 0f 1f 44 00 00 4c 89 ef 41 bc ed ff ff ff e8 a2 f2 23 e1 eb e0 48 8b 15 c9 21 00 00 <8b> 02 8d 48 01 85 c0 89 0a 75 c6 48 8b 05 37 1f 00 00 48 3d 60 Mar 10 10:45:05 localhost kernel: [ 4.743156] RIP [] mousedev_open_device+0x77/0x100 [mousedev] Mar 10 10:45:05 localhost kernel: [ 4.743157] RSP Mar 10 10:45:05 localhost kernel: [ 4.743158] CR2: 0000000000000000 Mar 10 10:45:05 localhost kernel: [ 4.743200] ---[ end trace 9ee5bcb02f264a08 ]--- The bug does not seem to hurt things much but... TIA Ed Tomlinson