From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [Bugme-new] [Bug 16120] New: Oops: 0000 [#1] SMP, unable to handle kernel NULL pointer dereference at (null) Date: Fri, 4 Jun 2010 16:17:37 -0700 Message-ID: <20100604161737.25c7940a.akpm@linux-foundation.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: bugzilla-daemon@bugzilla.kernel.org, bugme-daemon@bugzilla.kernel.org, alex.vizor@gmail.com, Eric Dumazet , Patrick McHardy To: netdev@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:60640 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757515Ab0FDXSa (ORCPT ); Fri, 4 Jun 2010 19:18:30 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Fri, 4 Jun 2010 09:25:58 GMT bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=16120 > > Summary: Oops: 0000 [#1] SMP, unable to handle kernel NULL > pointer dereference at (null) > Product: Platform Specific/Hardware > Version: 2.5 > Kernel Version: 2.6.35-rc1 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: high > Priority: P1 > Component: x86-64 > AssignedTo: platform_x86_64@kernel-bugs.osdl.org > ReportedBy: alex.vizor@gmail.com > Regression: Yes > > > Created an attachment (id=26647) > --> (https://bugzilla.kernel.org/attachment.cgi?id=26647) > 2.6.35-rc1 kernel log > > It happens randomly, almost a week I used 2.6.35-rc1 and don't have any > problems. But since last day it happened twice. > > I attached kernel log, please inform me if I can help in investigation. > ip6mr_sk_done() oopsed. > [ 496.918418] lo: Disabled Privacy Extensions > [ 1395.335017] lo: Disabled Privacy Extensions > [ 1396.829424] BUG: unable to handle kernel NULL pointer dereference at (null) > [ 1396.829430] IP: [] ip6mr_sk_done+0x5f/0x7b > [ 1396.829438] PGD 72384067 PUD 6e0b5067 PMD 0 > [ 1396.829443] Oops: 0000 [#1] SMP > [ 1396.829445] last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq > [ 1396.829449] CPU 0 > [ 1396.829450] Modules linked in: acpi_cpufreq mperf cpufreq_conservative cpufreq_userspace cpufreq_powersave cpufreq_stats autofs4 vboxnetadp vboxnetflt binfmt_misc uinput microcode fuse vboxdrv firewire_sbp2 loop snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss arc4 ecb thinkpad_acpi snd_pcm snd_seq_midi snd_rawmidi iwlagn snd_seq_midi_event r852 iwlcore pcmcia sm_common snd_seq nand snd_timer snd_seq_device nand_ids yenta_socket mac80211 nand_ecc pcmcia_rsrc tpm_tis snd tpm psmouse mtd video soundcore pcmcia_core cfg80211 tpm_bios evdev i2c_i801 nvram pcspkr serio_raw snd_page_alloc wmi output processor battery ac ext4 mbcache jbd2 crc16 ide_cd_mod cdrom sd_mod crc_t10dif ata_generic usbhid hid ata_piix ahci libahci sdhci_pci sdhci firewire_ohci mmc _core libata uhci_hcd firewire_core crc_itu_t e1000e led_class piix thermal thermal_sys button ide_core scsi_mod ehci_hcd usbcore nls_base [last unloaded: scsi_wait_scan] > [ 1396.829514] > [ 1396.829517] Pid: 13, comm: netns Not tainted 2.6.35-rc1 #2 64608SG/64608SG > [ 1396.829519] RIP: 0010:[] [] ip6mr_sk_done+0x5f/0x7b > [ 1396.829524] RSP: 0018:ffff88007ebf7d40 EFLAGS: 00010296 > [ 1396.829526] RAX: ffff88006c320ce8 RBX: 0000000000000000 RCX: 0000000000000000 > [ 1396.829528] RDX: 0000000000000000 RSI: ffff88006f736508 RDI: ffffffff8167b5a0 > [ 1396.829530] RBP: ffff88006c320880 R08: ffff88006f736480 R09: ffffffff816b0cd0 > [ 1396.829533] R10: ffff88006f736480 R11: ffffffff81313d2e R12: ffff880071c1c800 > [ 1396.829535] R13: ffff88007ebb8da0 R14: ffff88007ebb8da0 R15: ffffffff8167aea8 > [ 1396.829538] FS: 0000000000000000(0000) GS:ffff880001a00000(0000) knlGS:0000000000000000 > [ 1396.829540] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 1396.829543] CR2: 0000000000000000 CR3: 0000000071cc3000 CR4: 00000000000006f0 > [ 1396.829545] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 1396.829548] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 1396.829550] Process netns (pid: 13, threadinfo ffff88007ebf6000, task ffff88007ebb8da0) > [ 1396.829552] Stack: > [ 1396.829554] ffff880071c1c800 ffff88007d9d2280 0000000000000000 ffffffff8132b029 > [ 1396.829557] <0> ffff880071c1c800 ffffffff812f6f15 ffffffff8133adad ffff88007d9d2280 > [ 1396.829561] <0> 0000000000000000 ffffffff8129d5c8 ffff880001a108d0 ffff880071c1c800 > [ 1396.829565] Call Trace: > [ 1396.829570] [] ? rawv6_close+0x1f/0x28 > [ 1396.829575] [] ? inet_release+0x6d/0x73 > [ 1396.829579] [] ? ip6mr_rules_exit+0x3c/0x59 > [ 1396.829584] [] ? sock_release+0x19/0x6b > [ 1396.829587] [] ? sk_release_kernel+0x23/0x48 > [ 1396.829591] [] ? icmpv6_sk_exit+0x20/0x4e > [ 1396.829595] [] ? ops_exit_list+0x1c/0x4b > [ 1396.829598] [] ? cleanup_net+0xf8/0x191 > [ 1396.829603] [] ? worker_thread+0x19c/0x22a > [ 1396.829607] [] ? schedule+0x4ab/0x507 > [ 1396.829610] [] ? cleanup_net+0x0/0x191 > [ 1396.829615] [] ? autoremove_wake_function+0x0/0x2a > [ 1396.829618] [] ? worker_thread+0x0/0x22a > [ 1396.829622] [] ? kthread+0x75/0x7d > [ 1396.829626] [] ? kernel_thread_helper+0x4/0x10 > [ 1396.829630] [] ? kthread+0x0/0x7d > [ 1396.829633] [] ? kernel_thread_helper+0x0/0x10 > [ 1396.829635] Code: 43 20 00 00 00 00 48 8b 85 f0 02 00 00 48 c7 c7 10 43 68 81 ff 48 64 e8 e2 06 02 00 48 89 df 31 db e8 47 fe ff ff eb 13 48 8b 1b <48> 8b 13 48 39 c3 0f 18 0a 75 b6 bb f3 ff ff ff e8 49 cb f7 ff > [ 1396.829662] RIP [] ip6mr_sk_done+0x5f/0x7b > [ 1396.829665] RSP > [ 1396.829667] CR2: 0000000000000000 > [ 1396.829669] ---[ end trace e8367210bb17519d ]--- >