Re: 2.6.17-rc5-mm2 problem ?

[Badari Pulavarty <pbadari@us.ibm.com>]

On Mon, 2006-06-05 at 11:41 -0700, Andrew Morton wrote:
> On Mon, 05 Jun 2006 09:37:40 -0700
> Badari Pulavarty <pbadari@us.ibm.com> wrote:
> 
> > Have you seen this on 2.6.17-rc5-mm2 before ? Could be due to my
> > patchset (fileop cleanups), but doesn't seem like it ..
> > 
> > Thanks,
> > Badari
> > 
> > Unable to handle kernel NULL pointer dereference at 0000000000000008
> > RIP:
> >  [<ffffffff80448d5f>] skb_dequeue+0x2c/0x50
> 
> It could be the LLC bug.  That thing caused untold amounts of grief.
> 
> --- devel/net/llc/llc_input.c~git-net-llc-fix	2006-06-02 11:55:38.000000000 -0700
> +++ devel-akpm/net/llc/llc_input.c	2006-06-02 11:55:38.000000000 -0700
> @@ -176,7 +176,6 @@ int llc_rcv(struct sk_buff *skb, struct 
>   		struct sk_buff *cskb = skb_clone(skb, GFP_ATOMIC);
>   		if (cskb)
>   			rcv(cskb, dev, pt, orig_dev);
> -		rcv(skb, dev, pt, orig_dev);
>  	}
>  	dest = llc_pdu_type(skb);
>  	if (unlikely(!dest || !llc_type_handlers[dest - 1]))
> _

Thanks. 2.6.17-rc5-mm3 is behaving much better, haven't seen these
issues on -mm3 with my patchset. I don't want to be the reason for
breaking -mm tree with fileop changes (I already used up my free
credits) ;)

Thanks,
Badari

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