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Rémi Denis-Courmont wrote: > Right. By the way, shouldn't "len" rather be signed in there? > > unsigned int len; > > /* if we're overly short, let UDP handle it */ > len = skb->len - sizeof(struct udphdr); > if (len <= 0) > goto udp; It should, but the < 0 case can't happen since __udp4_lib_rcv already makes sure that we have at least a complete UDP header. Anyways, this patch fixes it. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>