From: Daniel Lezcano <daniel.lezcano@free•fr>
To: "Eric W. Biederman" <ebiederm@xmission•com>
Cc: Pavel Emelyanov <xemul@parallels•com>,
Sukadev Bhattiprolu <sukadev@linux•vnet.ibm.com>,
Serge Hallyn <serue@us•ibm.com>,
Linux Netdev List <netdev@vger•kernel.org>,
containers@lists•linux-foundation.org,
Netfilter Development Mailinglist
<netfilter-devel@vger•kernel.org>,
Ben Greear <greearb@candelatech•com>
Subject: Re: [RFC][PATCH] ns: Syscalls for better namespace sharing control.
Date: Mon, 08 Mar 2010 20:57:29 +0100 [thread overview]
Message-ID: <4B9556A9.60206@free.fr> (raw)
In-Reply-To: <m11vfuvi1t.fsf@fess.ebiederm.org>
Eric W. Biederman wrote:
> Daniel Lezcano <daniel.lezcano@free•fr> writes:
>
>
>> Eric W. Biederman wrote:
>>
>>> I have take an snapshot of my development tree and placed it at.
>>>
>>>
>>> git://git.kernel.org/pub/scm/linux/people/ebiederm/linux-2.6.33-nsfd-v5.git
>>>
>>>
>> Hi Eric,
>>
>> thanks for the pointer.
>>
>> I tried to boot the kernel under qemu and I got this oops:
>>
>
> I am clearly running an old userspace on my test machine. No udev.
> It looks like udev has a long standing netlink misfeature, where
> it does not initializing NETLINK_CB....
>
>
> >From 8d85e3ab88718eda3d94cf8e1be14b69dae2b8f1 Mon Sep 17 00:00:00 2001
> From: Eric W. Biederman <ebiederm@xmission•com>
> Date: Mon, 8 Mar 2010 09:25:20 -0800
> Subject: [PATCH] kobject_uevent: Use the netlink allocator helper...
>
> Signed-off-by: Eric W. Biederman <ebiederm@xmission•com>
>
Thanks.
I was able to boot but I have the following warning:
------------[ cut here ]------------
WARNING: at net/netlink/af_netlink.c:198 netlink_sock_destruct+0x72/0xac()
Hardware name:
Modules linked in: [last unloaded: scsi_wait_scan]
Pid: 840, comm: nash-hotplug Tainted: G W 2.6.33 #2
Call Trace:
[<ffffffff812df182>] ? netlink_sock_destruct+0x72/0xac
[<ffffffff8102ca29>] warn_slowpath_common+0x77/0xa4
[<ffffffff8102ca65>] warn_slowpath_null+0xf/0x11
[<ffffffff812df182>] netlink_sock_destruct+0x72/0xac
[<ffffffff812bb2a4>] __sk_free+0x1e/0x118
[<ffffffff812bb40d>] sk_free+0x19/0x1b
[<ffffffff812e0dc2>] netlink_release+0x246/0x253
[<ffffffff812b825a>] sock_release+0x1a/0x6b
[<ffffffff812b82cd>] sock_close+0x22/0x26
[<ffffffff810c7823>] __fput+0x11b/0x1d7
[<ffffffff810c78f6>] fput+0x17/0x19
[<ffffffff810c4ae2>] filp_close+0x67/0x72
[<ffffffff8102e75c>] put_files_struct+0x6a/0xd4
[<ffffffff8102e80d>] exit_files+0x47/0x4f
[<ffffffff8102fe59>] do_exit+0x1eb/0x693
[<ffffffff813864c2>] ? _raw_spin_unlock_irq+0x2b/0x31
[<ffffffff81030373>] do_group_exit+0x72/0x9b
[<ffffffff8103f37c>] get_signal_to_deliver+0x3a1/0x3c1
[<ffffffff81001e8e>] do_notify_resume+0x8d/0x6ea
[<ffffffff810538c9>] ? trace_hardirqs_on_caller+0x110/0x13a
[<ffffffff8102851e>] ? finish_task_switch+0x6a/0xb3
[<ffffffff810284b4>] ? finish_task_switch+0x0/0xb3
[<ffffffff813867aa>] ? retint_signal+0x11/0x87
[<ffffffff810538c9>] ? trace_hardirqs_on_caller+0x110/0x13a
[<ffffffff813867df>] retint_signal+0x46/0x87
---[ end trace d4a1e4cbaa70d63d ]---
And I have a kernel panic when exiting a network namespace using a macvlan:
linux-swk0 login: BUG: unable to handle kernel paging request at
ffff880035475678
IP: [<ffffffff8128dbef>] macvlan_stop+0x54/0x7a
PGD 160b063 PUD 160f063 PMD 2aa067 PTE 35475160
Oops: 0002 [#1] DEBUG_PAGEALLOC
last sysfs file: /sys/devices/pci0000:00/0000:00:03.0/net/eth0/flags
CPU 0
Pid: 10, comm: netns Tainted: G W 2.6.33 #2 /
RIP: 0010:[<ffffffff8128dbef>] [<ffffffff8128dbef>] macvlan_stop+0x54/0x7a
RSP: 0018:ffff88003f92bc50 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff880035440800 RCX: ffff880035440800
RDX: ffff880035475678 RSI: ffff88003f913710 RDI: ffff88003cde9800
RBP: ffff88003f92bc70 R08: 0000000000000004 R09: 0000000000000000
R10: 0080000000000000 R11: ffff88003f92bbf0 R12: ffff88003cde9800
R13: ffff880035440de0 R14: 0080000000000000 R15: 0000000800000000
FS: 0000000000000000(0000) GS:ffffffff8161b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffff880035475678 CR3: 000000003eb41000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process netns (pid: 10, threadinfo ffff88003f92a000, task ffff88003f913058)
Stack:
ffffffff814328a0 ffff880035440800 ffffffff814328a0 ffff88003553a800
<0> ffff88003f92bc90 ffffffff812c9150 ffff880035440800 ffff88003f92bd00
<0> ffff88003f92bcd0 ffffffff812c9259 ffff88003f92bcd0 ffff88003f92bd00
Call Trace:
[<ffffffff812c9150>] dev_close+0x86/0xa8
[<ffffffff812c9259>] rollback_registered_many+0xe7/0x208
[<ffffffff812c9390>] unregister_netdevice_many+0x16/0x62
[<ffffffff812c952d>] default_device_exit_batch+0x9f/0xb3
[<ffffffff812c3906>] ops_exit_list+0x4e/0x56
[<ffffffff812c40f4>] cleanup_net+0xfe/0x1b7
[<ffffffff81042db6>] worker_thread+0x227/0x32d
[<ffffffff81042d60>] ? worker_thread+0x1d1/0x32d
[<ffffffff813864c2>] ? _raw_spin_unlock_irq+0x2b/0x31
[<ffffffff812c3ff6>] ? cleanup_net+0x0/0x1b7
[<ffffffff810466ae>] ? autoremove_wake_function+0x0/0x38
[<ffffffff81042b8f>] ? worker_thread+0x0/0x32d
[<ffffffff810462e0>] kthread+0x7c/0x84
[<ffffffff810035b4>] kernel_thread_helper+0x4/0x10
[<ffffffff8138673a>] ? restore_args+0x0/0x30
[<ffffffff81046264>] ? kthread+0x0/0x84
[<ffffffff810035b0>] ? kernel_thread_helper+0x0/0x10
Code: 01 00 00 02 74 0b 83 ce ff 4c 89 e7 e8 a1 8f 03 00 48 8b b3 50 02
00 00 4c 89 e7 e8 df 8e 03 00 49 8b 45 18 49 8b 55 20 48 85 c0 <48> 89
02 74 04 48 89 50 08 48 be 00 02 20 00 00 00 ad de 49 89
RIP [<ffffffff8128dbef>] macvlan_stop+0x54/0x7a
RSP <ffff88003f92bc50>
CR2: ffff880035475678
---[ end trace d4a1e4cbaa70d63e ]---
addr2line -e ./vmlinux ffffffff812c9150 gives net/core/dev.c:1252
next prev parent reply other threads:[~2010-03-08 19:57 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-14 14:05 RFC: netfilter: nf_conntrack: add support for "conntrack zones" Patrick McHardy
2010-01-14 15:05 ` jamal
2010-01-14 15:37 ` Patrick McHardy
2010-01-14 17:33 ` jamal
2010-01-15 10:15 ` Patrick McHardy
2010-01-15 15:19 ` jamal
2010-02-22 20:46 ` Eric W. Biederman
2010-02-22 21:55 ` jamal
2010-02-22 23:17 ` Eric W. Biederman
[not found] ` <m1wry46es9.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2010-02-23 13:27 ` jamal
2010-02-23 14:07 ` Eric W. Biederman
2010-02-23 14:20 ` jamal
2010-02-23 20:00 ` Eric W. Biederman
2010-02-23 23:09 ` jamal
2010-02-24 1:43 ` Eric W. Biederman
2010-02-25 20:57 ` [RFC][PATCH] ns: Syscalls for better namespace sharing control Eric W. Biederman
2010-02-25 21:31 ` Daniel Lezcano
2010-02-25 21:49 ` Eric W. Biederman
2010-02-25 22:13 ` Daniel Lezcano
2010-02-25 22:31 ` Eric W. Biederman
2010-02-26 20:35 ` Eric W. Biederman
2010-02-25 21:46 ` Matt Helsley
2010-02-25 21:54 ` Eric W. Biederman
2010-02-26 0:53 ` Eric W. Biederman
2010-02-26 1:09 ` Matt Helsley
2010-02-26 1:26 ` Eric W. Biederman
2010-02-26 3:15 ` [RFC][PATCH] ns: Syscalls for better namespace sharing control. v2 Eric W. Biederman
[not found] ` <m18wagy9f3.fsf_-_-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2010-03-03 20:29 ` Jonathan Corbet
2010-03-03 20:50 ` Eric W. Biederman
[not found] ` <m1pr3t2fvl.fsf_-_-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2010-02-26 21:13 ` [RFC][PATCH] ns: Syscalls for better namespace sharing control Pavel Emelyanov
2010-02-26 21:24 ` Eric W. Biederman
2010-02-26 21:34 ` Pavel Emelyanov
2010-02-26 21:42 ` Eric W. Biederman
2010-02-26 21:58 ` Oren Laadan
2010-02-26 22:16 ` Eric W. Biederman
2010-02-26 22:52 ` Oren Laadan
2010-02-26 23:13 ` Eric W. Biederman
2010-02-27 8:30 ` Pavel Emelyanov
2010-02-27 9:04 ` Eric W. Biederman
[not found] ` <m1mxyvrqvk.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2010-02-27 9:21 ` Pavel Emelyanov
2010-02-27 9:42 ` Eric W. Biederman
2010-02-27 16:16 ` Pavel Emelyanov
2010-02-27 19:08 ` Eric W. Biederman
2010-02-27 19:29 ` Pavel Emelyanov
2010-02-27 19:44 ` Eric W. Biederman
2010-02-28 22:05 ` Daniel Lezcano
2010-03-01 19:24 ` Eric W. Biederman
2010-03-01 21:42 ` Eric W. Biederman
2010-03-02 13:10 ` Cedric Le Goater
2010-03-02 15:03 ` Pavel Emelyanov
2010-03-02 15:14 ` Jan Engelhardt
2010-03-02 21:45 ` Eric W. Biederman
2010-03-02 21:19 ` Sukadev Bhattiprolu
2010-03-02 22:13 ` Eric W. Biederman
2010-03-03 0:07 ` Sukadev Bhattiprolu
2010-03-03 0:46 ` Eric W. Biederman
2010-03-03 15:38 ` Serge E. Hallyn
2010-03-03 19:47 ` Eric W. Biederman
2010-03-04 21:45 ` Eric W. Biederman
2010-03-04 22:55 ` Jan Engelhardt
2010-03-03 16:50 ` Pavel Emelyanov
2010-03-03 20:16 ` Eric W. Biederman
2010-03-05 19:18 ` Pavel Emelyanov
2010-03-05 20:26 ` Eric W. Biederman
2010-03-06 14:47 ` Daniel Lezcano
[not found] ` <4B926B1B.5070207-GANU6spQydw@public.gmane.org>
2010-03-06 20:48 ` Eric W. Biederman
[not found] ` <m1aaulyy5c.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2010-03-06 21:26 ` Daniel Lezcano
2010-03-08 8:32 ` Eric W. Biederman
2010-03-08 16:54 ` Daniel Lezcano
2010-03-08 17:29 ` Eric W. Biederman
2010-03-08 19:57 ` Daniel Lezcano [this message]
2010-03-08 20:24 ` Eric W. Biederman
2010-03-08 20:42 ` Daniel Lezcano
2010-03-08 20:47 ` Eric W. Biederman
2010-03-08 21:12 ` Daniel Lezcano
2010-03-08 21:25 ` Eric W. Biederman
2010-03-08 21:49 ` Serge E. Hallyn
2010-03-08 22:24 ` Eric W. Biederman
2010-03-09 10:03 ` Daniel Lezcano
2010-03-09 10:13 ` Eric W. Biederman
2010-03-09 10:26 ` Daniel Lezcano
2010-03-10 21:16 ` Daniel Lezcano
2010-03-08 17:07 ` Serge E. Hallyn
2010-03-08 17:35 ` Eric W. Biederman
2010-03-08 17:47 ` Serge E. Hallyn
2010-03-03 20:59 ` Oren Laadan
2010-03-03 21:05 ` Eric W. Biederman
[not found] ` <m1bpfbwuze.fsf-+imSwln9KH6u2/kzUuoCbdi2O/JbrIOy@public.gmane.org>
2010-02-26 21:35 ` Pavel Emelyanov
2010-02-26 21:49 ` Eric W. Biederman
2010-02-23 23:49 ` RFC: netfilter: nf_conntrack: add support for "conntrack zones" Matt Helsley
2010-02-24 1:32 ` Eric W. Biederman
2010-02-24 1:39 ` Serge E. Hallyn
2010-01-14 18:32 ` Ben Greear
2010-01-15 15:03 ` jamal
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