In article <[EMAIL PROTECTED]> (at Tue, 25 Jul 2006 10:45:51 -0400 (EDT)),
James Morris <[EMAIL PROTECTED]> says:
> The recvmsg() for raw socket seems to return random u16 value
> from the kernel stack memory since port field is not initialized.
> But I'm not sure this patch is correct.
> Does raw socket return any information stored in port field?
>
> ---------- Start of patch ----------
> diff -ur before/net/ipv4/raw.c after/net/ipv4/raw.c
> --- before/net/ipv4/raw.c 2006-06-18 10:49:35.000000000 +0900
> +++ after/net/ipv4/raw.c 2006-07-25 16:15:26.000000000 +0900
> @@ -609,6 +609,7 @@
> if (sin) {
> sin->sin_family = AF_INET;
> sin->sin_addr.s_addr = skb->nh.iph->saddr;
> + sin->sin_port = 0;
> memset(&sin->sin_zero, 0, sizeof(sin->sin_zero));
> }
> if (inet->cmsg_flags)
Well, instead, should it be initalized to protocol number, shouldn't it?
--yoshfuji
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