Re: Possible bug in net/ipv4/route.c?

[Herbert Xu]

On Mon, Jul 05, 2010 at 11:03:28AM -0700, Stephen Hemminger wrote:
>
> The problem is that br_dev_xmit is looking at flags in the CB[] that
> are uninitialized.
> 
> if br_dev_xmit cleared the CB at [A] the mrouters_only would always be zero
> at [B].
> 
> Where should the mrouters and igmp_only fields in skb be initialized?

They are initialised in br_multicast_rcv.

Anyway, this isn't the problem here.  The problem is that before
bridge netfilter passes a packet through IPv4 through ARP, it must
ensure that the cb used by IPv4 is cleared.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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