Bug #279

Description

———- Forwarded message ———-
From: Yan, Zheng zheng.z.yan@intel.com
Date: Sun, Sep 25, 2011 at 5:21 AM
Subject: [PATCH] ipv6: nullify ipv6_ac_list and ipv6_fl_list when
creating new socket
To: “netdev@vger.kernel.org” netdev@vger.kernel.org,
“davem@davemloft.net” davem@davemloft.net

ipv6_ac_list and ipv6_fl_list from listening socket are inadvertently
shared with new socket created for connection.

Signed-off-by: Zheng Yan zheng.z.yan@intel.com
—
diff –git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 3c9fa61..79cc646 100644
— a/net/ipv6/tcp_ipv6.c
**+ b/net/ipv6/tcp_ipv6.c
@ -1383,6 +1383,8@ static struct sock * tcp_v6_syn_recv_sock(struct
sock *sk, struct sk_buff *skb,
               newtp->af_specific = &tcp_sock_ipv6_mapped_specific;
 #endif

•               newnp->ipv6_ac_list = NULL;
  
•               newnp->ipv6_fl_list = NULL;
                 newnp->pktoptions  = NULL;
                 newnp->opt         = NULL;
                 newnp->mcast_oif   = inet6_iif(skb);
  @ -1447,6 +1449,7@ static struct sock * tcp_v6_syn_recv_sock(struct
  sock *sk, struct sk_buff *skb,
            First: no IPv4 options.
          */
         newinet->inet_opt = NULL;
  
•       newnp->ipv6_ac_list = NULL;
         newnp->ipv6_fl_list = NULL;

       /* Clone RX bits */