ipv6: export ip6 fragments sysctl to unprivileged users
authorEric Dumazet <edumazet@google.com>
Thu, 13 Sep 2018 14:58:39 +0000 (07:58 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 19 Sep 2018 20:43:45 +0000 (22:43 +0200)
IPv4 was changed in commit 52a773d645e9 ("net: Export ip fragment
sysctl to unprivileged users")

The only sysctl that is not per-netns is not used :
ip6frag_secret_interval

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 18dcbe12fe9fca0ab825f7eff993060525ac2503)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ipv6/reassembly.c

index 42b6b2ba447afafbd3055a4c0a08978294af3edd..f0071b113a92fcff15ac57610170c12b17cb59ba 100644 (file)
@@ -649,10 +649,6 @@ static int __net_init ip6_frags_ns_sysctl_register(struct net *net)
                table[1].data = &net->ipv6.frags.low_thresh;
                table[1].extra2 = &net->ipv6.frags.high_thresh;
                table[2].data = &net->ipv6.frags.timeout;
-
-               /* Don't export sysctls to unprivileged users */
-               if (net->user_ns != &init_user_ns)
-                       table[0].procname = NULL;
        }
 
        hdr = register_net_sysctl(net, "net/ipv6", table);