From: Stephen Hemminger <shemminger@vyatta.com>
To: Bart De Schuymer <bdschuym@pandora.be>,
Patrick McHardy <kaber@trash.net>
Cc: netdev@vger.kernel.org
Subject: [BUG] crashes with kvm/nat networking and net-next
Date: Tue, 11 May 2010 20:25:44 -0700 [thread overview]
Message-ID: <20100511202544.267d33ee@nehalam> (raw)
This is a regression that is showing up now in net-next, not sure what
changed recently in bridge netfilter that could be causing it?
[ 4593.956206] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
[ 4593.956219] IP: [<ffffffffa03357a4>] br_nf_forward_finish+0x154/0x170 [bridge]
[ 4593.956232] PGD 195ece067 PUD 1ba005067 PMD 0
[ 4593.956241] Oops: 0000 [#1] SMP
[ 4593.956248] last sysfs file: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:08/ATK0110:00/hwmon/hwmon0/temp2_label
[ 4593.956253] CPU 3
[ 4593.956256] Modules linked in: netconsole configfs hid_belkin tun ntfs vfat msdos fat autofs4 binfmt_misc ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc kvm_intel kvm radeon ttm drm_kms_helper drm i2c_algo_bit snd_hda_codec_analog ipv6 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device psmouse asus_atk0110 snd serio_raw soundcore snd_page_alloc usbhid mvsas libsas scsi_transport_sas floppy sky2 e1000e [last unloaded: netconsole]
[ 4593.956375]
[ 4593.956380] Pid: 29512, comm: kvm Not tainted 2.6.34-rc7-net #195 P6T DELUXE/System Product Name
[ 4593.956384] RIP: 0010:[<ffffffffa03357a4>] [<ffffffffa03357a4>] br_nf_forward_finish+0x154/0x170 [bridge]
[ 4593.956395] RSP: 0018:ffff880001e63b78 EFLAGS: 00010246
[ 4593.956399] RAX: 0000000000000608 RBX: ffff880057181700 RCX: ffff8801b813d000
[ 4593.956402] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff880057181700
[ 4593.956406] RBP: ffff880001e63ba8 R08: ffff8801b9d97000 R09: ffffffffa0335650
[ 4593.956410] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801b813d000
[ 4593.956413] R13: ffffffff81ab3940 R14: ffff880057181700 R15: 0000000000000002
[ 4593.956418] FS: 00007fc40d380710(0000) GS:ffff880001e60000(0000) knlGS:0000000000000000
[ 4593.956422] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
[ 4593.956426] CR2: 0000000000000018 CR3: 00000001ba1d7000 CR4: 00000000000026e0
[ 4593.956429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4593.956433] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 4593.956437] Process kvm (pid: 29512, threadinfo ffff8801ba566000, task ffff8801b8003870)
[ 4593.956441] Stack:
[ 4593.956443] 0000000100000020 ffff880001e63ba0 ffff880001e63ba0 ffff880057181700
[ 4593.956451] <0> ffffffffa0335650 ffffffff81ab3940 ffff880001e63bd8 ffffffffa03350e6
[ 4593.956462] <0> ffff880001e63c40 000000000000024d ffff880057181700 0000000080000000
[ 4593.956474] Call Trace:
[ 4593.956478] <IRQ>
[ 4593.956488] [<ffffffffa0335650>] ? br_nf_forward_finish+0x0/0x170 [bridge]
[ 4593.956496] [<ffffffffa03350e6>] NF_HOOK_THRESH+0x56/0x60 [bridge]
[ 4593.956504] [<ffffffffa0335282>] br_nf_forward_arp+0x112/0x120 [bridge]
[ 4593.956511] [<ffffffff813f7184>] nf_iterate+0x64/0xa0
[ 4593.956519] [<ffffffffa032f920>] ? br_forward_finish+0x0/0x60 [bridge]
[ 4593.956524] [<ffffffff813f722c>] nf_hook_slow+0x6c/0x100
[ 4593.956531] [<ffffffffa032f920>] ? br_forward_finish+0x0/0x60 [bridge]
[ 4593.956538] [<ffffffffa032f800>] ? __br_forward+0x0/0xc0 [bridge]
[ 4593.956545] [<ffffffffa032f86d>] __br_forward+0x6d/0xc0 [bridge]
[ 4593.956550] [<ffffffff813c5d8e>] ? skb_clone+0x3e/0x70
[ 4593.956557] [<ffffffffa032f462>] deliver_clone+0x32/0x60 [bridge]
[ 4593.956564] [<ffffffffa032f6b6>] br_flood+0xa6/0xe0 [bridge]
[ 4593.956571] [<ffffffffa032f800>] ? __br_forward+0x0/0xc0 [bridge]
[ 4593.956578] [<ffffffffa032f700>] br_flood_forward+0x10/0x20 [bridge]
[ 4593.956586] [<ffffffffa0330ace>] br_handle_frame_finish+0x23e/0x260 [bridge]
[ 4593.956595] [<ffffffffa03307ea>] br_handle_frame+0x1aa/0x250 [bridge]
[ 4593.956605] [<ffffffff81070331>] ? autoremove_wake_function+0x11/0x40
[ 4593.956614] [<ffffffff813cf537>] __netif_receive_skb+0x187/0x5d0
[ 4593.956622] [<ffffffff813cfa81>] process_backlog+0x101/0x210
[ 4593.956630] [<ffffffff813d092d>] net_rx_action+0x10d/0x260
[ 4593.956639] [<ffffffff81058100>] __do_softirq+0xb0/0x230
[ 4593.956648] [<ffffffff81009e5c>] call_softirq+0x1c/0x30
[ 4593.956653] <EOI>
[ 4593.956662] [<ffffffff8100bad5>] ? do_softirq+0x65/0xa0
[ 4593.956667] [<ffffffff813d3e48>] netif_rx_ni+0x28/0x30
[ 4593.956673] [<ffffffffa03e2196>] tun_chr_aio_write+0x276/0x540 [tun]
[ 4593.956679] [<ffffffffa03e1f20>] ? tun_chr_aio_write+0x0/0x540 [tun]
[ 4593.956686] [<ffffffff8110cd0b>] do_sync_readv_writev+0xcb/0x110
[ 4593.956692] [<ffffffff8120d593>] ? selinux_file_permission+0xf3/0x150
[ 4593.956699] [<ffffffff81203081>] ? security_file_permission+0x11/0x20
[ 4593.956704] [<ffffffff8110dd9a>] do_readv_writev+0xca/0x1f0
[ 4593.956710] [<ffffffff8111c888>] ? vfs_ioctl+0x38/0xd0
[ 4593.956714] [<ffffffff8111ceda>] ? do_vfs_ioctl+0x8a/0x610
[ 4593.956719] [<ffffffff8110defe>] vfs_writev+0x3e/0x60
[ 4593.956723] [<ffffffff8110e02c>] sys_writev+0x4c/0xb0
[ 4593.956730] [<ffffffff81008f42>] system_call_fastpath+0x16/0x1b
[ 4593.956733] Code: d8 00 00 00 66 81 7c 01 10 08 06 0f 85 fc fe ff ff 44 8b 15 ff 6e 00 00 45 85 d2 0f 84 ec fe ff ff 66 0f 1f 44 00 00 4c 8b 63 28 <8b> 42 18 e9 e5 fe ff ff 0f 1f 40 00 48 89 df e8 68 a1 ff ff e9
[ 4593.956838] RIP [<ffffffffa03357a4>] br_nf_forward_finish+0x154/0x170 [bridge]
[ 4593.956848] RSP <ffff880001e63b78>
[ 4593.956851] CR2: 0000000000000018
[ 4593.956855] ---[ end trace 5703d55ac3604d1c ]---
[ 4593.956859] Kernel panic - not syncing: Fatal exception in interrupt
[ 4593.956864] Pid: 29512, comm: kvm Tainted: G D 2.6.34-rc7-net #195
[ 4593.956867] Call Trace:
[ 4593.956869] <IRQ> [<ffffffff81484ff2>] panic+0x78/0xf1
[ 4593.956880] [<ffffffff81489449>] oops_end+0xa9/0xb0
[ 4593.956885] [<ffffffff81033963>] no_context+0xf3/0x260
[ 4593.956891] [<ffffffff81256664>] ? do_raw_spin_lock+0x54/0x150
[ 4593.956896] [<ffffffff81033be5>] __bad_area_nosemaphore+0x115/0x1d0
[ 4593.956901] [<ffffffff81033cae>] bad_area_nosemaphore+0xe/0x10
[ 4593.956907] [<ffffffff8148bb3f>] do_page_fault+0x28f/0x330
[ 4593.956913] [<ffffffff814887b5>] page_fault+0x25/0x30
[ 4593.956921] [<ffffffffa0335650>] ? br_nf_forward_finish+0x0/0x170 [bridge]
[ 4593.956929] [<ffffffffa03357a4>] ? br_nf_forward_finish+0x154/0x170 [bridge]
[ 4593.956938] [<ffffffffa0335650>] ? br_nf_forward_finish+0x0/0x170 [bridge]
[ 4593.956951] [<ffffffffa03350e6>] NF_HOOK_THRESH+0x56/0x60 [bridge]
[ 4593.956963] [<ffffffffa0335282>] br_nf_forward_arp+0x112/0x120 [bridge]
[ 4593.956972] [<ffffffff813f7184>] nf_iterate+0x64/0xa0
[ 4593.956983] [<ffffffffa032f920>] ? br_forward_finish+0x0/0x60 [bridge]
[ 4593.956990] [<ffffffff813f722c>] nf_hook_slow+0x6c/0x100
[ 4593.956997] [<ffffffffa032f920>] ? br_forward_finish+0x0/0x60 [bridge]
[ 4593.957005] [<ffffffffa032f800>] ? __br_forward+0x0/0xc0 [bridge]
[ 4593.957012] [<ffffffffa032f86d>] __br_forward+0x6d/0xc0 [bridge]
[ 4593.957017] [<ffffffff813c5d8e>] ? skb_clone+0x3e/0x70
[ 4593.957023] [<ffffffffa032f462>] deliver_clone+0x32/0x60 [bridge]
[ 4593.957030] [<ffffffffa032f6b6>] br_flood+0xa6/0xe0 [bridge]
[ 4593.957037] [<ffffffffa032f800>] ? __br_forward+0x0/0xc0 [bridge]
[ 4593.957044] [<ffffffffa032f700>] br_flood_forward+0x10/0x20 [bridge]
[ 4593.957052] [<ffffffffa0330ace>] br_handle_frame_finish+0x23e/0x260 [bridge]
[ 4593.957059] [<ffffffffa03307ea>] br_handle_frame+0x1aa/0x250 [bridge]
[ 4593.957065] [<ffffffff81070331>] ? autoremove_wake_function+0x11/0x40
[ 4593.957070] [<ffffffff813cf537>] __netif_receive_skb+0x187/0x5d0
[ 4593.957076] [<ffffffff813cfa81>] process_backlog+0x101/0x210
[ 4593.957081] [<ffffffff813d092d>] net_rx_action+0x10d/0x260
[ 4593.957086] [<ffffffff81058100>] __do_softirq+0xb0/0x230
[ 4593.957091] [<ffffffff81009e5c>] call_softirq+0x1c/0x30
[ 4593.957094] <EOI> [<ffffffff8100bad5>] ? do_softirq+0x65/0xa0
[ 4593.957102] [<ffffffff813d3e48>] netif_rx_ni+0x28/0x30
[ 4593.957108] [<ffffffffa03e2196>] tun_chr_aio_write+0x276/0x540 [tun]
[ 4593.957113] [<ffffffffa03e1f20>] ? tun_chr_aio_write+0x0/0x540 [tun]
[ 4593.957119] [<ffffffff8110cd0b>] do_sync_readv_writev+0xcb/0x110
[ 4593.957125] [<ffffffff8120d593>] ? selinux_file_permission+0xf3/0x150
[ 4593.957130] [<ffffffff81203081>] ? security_file_permission+0x11/0x20
[ 4593.957135] [<ffffffff8110dd9a>] do_readv_writev+0xca/0x1f0
[ 4593.957139] [<ffffffff8111c888>] ? vfs_ioctl+0x38/0xd0
[ 4593.957144] [<ffffffff8111ceda>] ? do_vfs_ioctl+0x8a/0x610
[ 4593.957148] [<ffffffff8110defe>] vfs_writev+0x3e/0x60
[ 4593.957153] [<ffffffff8110e02c>] sys_writev+0x4c/0xb0
[ 4593.957158] [<ffffffff81008f42>] system_call_fastpath+0x16/0x1b
next reply other threads:[~2010-05-12 3:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-12 3:25 Stephen Hemminger [this message]
2010-05-12 7:32 ` [BUG] crashes with kvm/nat networking and net-next Eric Dumazet
2010-05-12 11:18 ` Patrick McHardy
2010-05-12 14:03 ` Bart De Schuymer
2010-05-12 22:15 ` Stephen Hemminger
2010-05-13 12:58 ` Patrick McHardy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100511202544.267d33ee@nehalam \
--to=shemminger@vyatta.com \
--cc=bdschuym@pandora.be \
--cc=kaber@trash.net \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.