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SubjectRe: [PATCH][2.5.22] OOPS in tcp_v6_get_port
Em Mon, Jun 17, 2002 at 02:33:19PM -0700, David S. Miller escreveu:
>
> This is a known bug introduced by the struct sock splitup into
> external per-protocol pieces done by Arnaldo de Melo. He is working
> on the proper fix, your proposed change will just paper over the real
> bug.

Carl,

Can you try this patch?

- Arnaldo

--- orig/net/ipv6/tcp_ipv6.c Sat May 25 23:13:56 2002
+++ linux/net/ipv6/tcp_ipv6.c Fri Jun 14 23:23:07 2002
@@ -1240,6 +1240,7 @@
struct dst_entry *dst)
{
struct ipv6_pinfo *newnp, *np = inet6_sk(sk);
+ struct tcp6_sock *newtcp6sk;
struct flowi fl;
struct inet_opt *newinet;
struct tcp_opt *newtp;
@@ -1256,10 +1257,15 @@
if (newsk == NULL)
return NULL;

+ newtcp6sk = (struct tcp6_sock *)newsk;
+ newtcp6sk->pinet6 = &newtcp6sk->inet6;
+
newinet = inet_sk(newsk);
newnp = inet6_sk(newsk);
newtp = tcp_sk(newsk);

+ memcpy(newnp, np, sizeof(struct ipv6_pinfo));
+
ipv6_addr_set(&newnp->daddr, 0, 0, htonl(0x0000FFFF),
newinet->daddr);

@@ -1336,9 +1342,15 @@
ip6_dst_store(newsk, dst, NULL);
sk->route_caps = dst->dev->features&~NETIF_F_IP_CSUM;

+ newtcp6sk = (struct tcp6_sock *)newsk;
+ newtcp6sk->pinet6 = &newtcp6sk->inet6;
+
newtp = tcp_sk(newsk);
newinet = inet_sk(newsk);
newnp = inet6_sk(newsk);
+
+ memcpy(newnp, np, sizeof(struct ipv6_pinfo));
+
ipv6_addr_copy(&newnp->daddr, &req->af.v6_req.rmt_addr);
ipv6_addr_copy(&newnp->saddr, &req->af.v6_req.loc_addr);
ipv6_addr_copy(&newnp->rcv_saddr, &req->af.v6_req.loc_addr);

--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html


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