netdev - Re: Lockup with tun/tap/bridge interface deregistration.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20081211102421.GB4129@ff.dom.local>
Date:	Thu, 11 Dec 2008 10:24:21 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Mathieu SEGAUD <mathieu.segaud@...ala.cx>
Cc:	netdev@...r.kernel.org, herbert@...dor.apana.org.au,
	kernel@...too.org
Subject: Re: Lockup with tun/tap/bridge interface deregistration.

On 10-12-2008 15:44, Mathieu SEGAUD wrote:
> Hi,
> 
> we are experiencing some "virtual" network interfaces problem, especially
> with tun/tap devices and with bridges, which occasionally get stuck and
> won't deregister and hang the destroying process for very long time.
...
>  [<c0266b41>] netdev_run_todo+0xf7/0x19d
>  [<f8a7f3c5>] br_del_bridge+0x48/0x4c [bridge]
>  [<f8a7ff61>] br_ioctl_deviceless_stub+0x190/0x19f [bridge]
>  [<c018a66c>] inotify_d_instantiate+0x12/0x3a
>  [<c02e5c1b>] _spin_unlock+0xc/0x1f
>  [<f8a7fdd1>] br_ioctl_deviceless_stub+0x0/0x19f [bridge]
>  [<c025bf6e>] sock_ioctl+0x11f/0x1d9
>  [<c025be4f>] sock_ioctl+0x0/0x1d9
>  [<c0170cdc>] vfs_ioctl+0x1c/0x5f
>  [<c0170f47>] do_vfs_ioctl+0x228/0x23b
>  [<c025d76f>] sys_socketcall+0x51/0x19d
>  [<c0170f86>] sys_ioctl+0x2c/0x42
>  [<c01038a9>] sysenter_do_call+0x12/0x25
>  [<c02e0000>] print_cpu_info+0x7e/0x92
> 
> (This one was obtained with kernel version 2.6.27.4)
> 

Could you try e.g. 2.6.27.7 or something with this patch?:

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git;a=commit;h=58ec3b4db9eb5a28e3aec5f407a54e28f7039c19

Jarek P.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html