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 <eduma...@google.com> Cc: Nikolay Borisov <ker...@kyup.com> --- net/ipv6/reassembly.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index afbc000ad4f2912acd475246e2ff2368c1bbeacb..08a139f14d0f6fa8ca326088cce1144411e09bf5 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -650,10 +650,6 @@ 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); -- 2.17.0.rc1.321.gba9d0f2565-goog