]>
git.karo-electronics.de Git - linux-beck.git/commit
[UDP]: Fix length check.
RĂ©mi 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>