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ipv6: nullify ipv6_ac_list and ipv6_fl_list when creating new socket

PATCH Applied Yan, Zheng 2 participants 2 messages Sep 25, 2011 – Sep 29, 2011

Subsystems (3)
Networking Network drivers TCP
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Yan, Zheng

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PATCH 1/1 ipv6: nullify ipv6_ac_list and ipv6_fl_list when creating new socket

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

Signed-off-by Zheng Yan <[email protected]>

---

net/ipv6/tcp_ipv6.c +3 -0
index 3c9fa61..79cc646 100644
@@ -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 */