Repost: ip_local_deliver: bad skb:

Peter B. West lists at
Mon Aug 15 13:05:33 CEST 2005

Peter B. West wrote:
> Posting this again, as I haven't seen any replies.  Is this the right 
> mailing list?
> Just lately, my /var/log/messages has been filling up with messages like
> this:
> Aug  6 14:26:35 jezebel kernel: ip_local_deliver: bad skb: \
>                             PRE_ROUTING LOCAL_IN LOCAL_OUT POST_ROUTING
> Aug  6 14:26:35 jezebel kernel: skb: pf=2 (unowned) dev=lo len=52
> Aug  6 14:26:35 jezebel kernel: PROTO=6 \
>                                       L=52 S=0x00 I=4590 F=0x4000 T=64
> I've also seen PROTOs 17 and 1.
> Can anyone enlighten me as to what is going on?

Apparently this is a known problem with the 2.6.12 kernel, which is 
being addressed somewhere in 2.6.13.  :Fix" it by turning off iptables 
debugging in the kernel.

Peter B. West <>
Folio <>
<> <- the atTridged version
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