Re: netfilter QUEUE target and packet socket interactions buggy or not

From: Nuutti Kotivuori
Date: Mon Sep 12 2005 - 17:15:37 EST


David S. Miller wrote:
> From: Nuutti Kotivuori <naked@xxxxxx>
> Date: Tue, 13 Sep 2005 01:12:26 +0300
>
>> ,----
>> | Unable to handle kernel NULL pointer dereference at virtual address 00000018
>> | ...
>> | __kfree_skb+0xf4/0xf7
>> | [<c02c3188>] packet_rcv+0x2ca/0x2d4
>> | [<f888f792>] bcm5700_start_xmit+0x477/0x4a5 [bcm5700]
>
> Please use the tg3 driver that actually comes with
> the kernel :-)

The problem also appears with the tg3 driver. In some other crashes,
the traceback looks like:

,----
| __kfree_skb+0xf4/0xf7
| [<c02c3188>] packet_rcv+0x2ca/0x2d4
| [<c0273ca8>] dev_queue_xmit_nit+0xc1/0xd3
| [<c01a3a02>] selinux_ipv4_postroute_last+0xf/0x13
`----

I am doubtful the network card driver would be at fault here, but
that'll be confirmed once I manage to narrow this down more.

-- Naked

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