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

From: Herbert Xu
Date: Mon Jul 05 2010 - 09:23:09 EST


On Mon, Jul 05, 2010 at 02:59:14PM +0200, Eric Dumazet wrote:
>
> Why do we clear full 48 bytes skb->cb[] in skb_alloc(), if no protocol
> stack should rely it being zero ?

Unless a protocol is allocating the skb itself, then the fact
that skb_alloc clears skb->cb is no guarantee that the skb->cb
will be zero.

Thanks,
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Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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