diff options
| -rw-r--r-- | net/ipv6/sysctl_net_ipv6.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c index ae3cfd1b8e0..d223159638d 100644 --- a/net/ipv6/sysctl_net_ipv6.c +++ b/net/ipv6/sysctl_net_ipv6.c @@ -122,6 +122,12 @@ static int ipv6_sysctl_net_init(struct net *net) ipv6_table[5].data = &net->ipv6.sysctl.frags.timeout; ipv6_table[6].data = &net->ipv6.sysctl.frags.secret_interval; + /* We don't want this value to be per namespace, it should be global + to all namespaces, so make it read-only when we are not in the + init network namespace */ + if (net != &init_net) + ipv6_table[7].mode = 0444; + net->ipv6.sysctl.table = register_net_sysctl_table(net, net_ipv6_ctl_path, ipv6_table); if (!net->ipv6.sysctl.table) |