From: Yan, Zheng Date: Sun, 25 Sep 2011 02:21:30 +0000 (+0000) Subject: ipv6: nullify ipv6_ac_list and ipv6_fl_list when creating new socket X-Git-Tag: firefly_0821_release~7541^2~2418 X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=2146d4667b5fbdb0e186ca8bc6d9cbe7ac42dfdc;p=firefly-linux-kernel-4.4.55.git ipv6: nullify ipv6_ac_list and ipv6_fl_list when creating new socket [ Upstream commit 676a1184e8afd4fed7948232df1ff91517400859 ] ipv6_ac_list and ipv6_fl_list from listening socket are inadvertently shared with new socket created for connection. Signed-off-by: Zheng Yan Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index af78a16c8306..296510a82c35 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1409,6 +1409,8 @@ 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); @@ -1473,6 +1475,7 @@ 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 */