Eric Dumazet a904a0693c inet: stop leaking jiffies on the wire ... Historically linux tried to stick to RFC 791, 1122, 2003 for IPv4 ID field generation. RFC 6864 made clear that no matter how hard we try, we can not ensure unicity of IP ID within maximum lifetime for all datagrams with a given source address/destination address/protocol tuple. Linux uses a per socket inet generator (inet_id), initialized at connection startup with a XOR of 'jiffies' and other fields that appear clear on the wire. Thiemo Nagel pointed that this strategy is a privacy concern as this provides 16 bits of entropy to fingerprint devices. Let's switch to a random starting point, this is just as good as far as RFC 6864 is concerned and does not leak anything critical. Fixes: 1da177e4c3 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Thiemo Nagel <tnagel@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2019-11-01 14:57:52 -07:00
..
bpfilter
netfilter	netfilter: drop bridge nf reset from nf_reset	2019-10-01 18:42:15 +02:00
af_inet.c	net: remove empty inet_exit_net	2019-08-19 18:22:54 -07:00
ah4.c
arp.c
cipso_ipv4.c
datagram.c	inet: stop leaking jiffies on the wire	2019-11-01 14:57:52 -07:00
devinet.c
esp4.c
esp4_offload.c
fib_frontend.c	ipv4: fix route update on metric change.	2019-10-26 11:25:53 -07:00
fib_lookup.h
fib_notifier.c
fib_rules.c
fib_semantics.c	net: Properly update v4 routes with v6 nexthop	2019-09-05 12:35:58 +02:00
fib_trie.c	net: route dump netlink NLM_F_MULTI flag missing	2019-08-24 16:49:48 -07:00
fou.c
gre_demux.c
gre_offload.c
icmp.c	ipv4/icmp: fix rt dst dev null pointer dereference	2019-08-24 14:49:35 -07:00
igmp.c	net: fix __ip_mc_inc_group usage	2019-08-20 12:48:06 -07:00
inet_connection_sock.c	tcp: add rcu protection around tp->fastopen_rsk	2019-10-13 10:13:08 -07:00
inet_diag.c	tcp: annotate sk->sk_wmem_queued lockless reads	2019-10-13 10:13:08 -07:00
inet_fragment.c
inet_hashtables.c	net: annotate accesses to sk->sk_incoming_cpu	2019-10-30 13:24:25 -07:00
inet_timewait_sock.c
inetpeer.c
ip_forward.c	ipv4: Revert removal of rt_uses_gateway	2019-09-20 18:23:33 -07:00
ip_fragment.c
ip_gre.c	erspan: fix the tun_info options_len check for erspan	2019-10-29 17:36:42 -07:00
ip_input.c	netfilter: drop bridge nf reset from nf_reset	2019-10-01 18:42:15 +02:00
ip_options.c
ip_output.c	ipv4: fix IPSKB_FRAG_PMTU handling with fragmentation	2019-10-21 10:46:42 -07:00
ip_sockglue.c
ip_tunnel.c
ip_tunnel_core.c
ip_vti.c
ipcomp.c
ipconfig.c
ipip.c
ipmr.c	netfilter: drop bridge nf reset from nf_reset	2019-10-01 18:42:15 +02:00
ipmr_base.c
Kconfig	net: Fix Kconfig indentation	2019-09-26 08:56:17 +02:00
Makefile
metrics.c
netfilter.c
netlink.c
nexthop.c	nexthops: remove redundant assignment to variable err	2019-08-22 12:14:05 -07:00
ping.c	ip: support SO_MARK cmsg	2019-09-13 21:44:19 +02:00
proc.c
protocol.c
raw.c	netfilter: drop bridge nf reset from nf_reset	2019-10-01 18:42:15 +02:00
raw_diag.c
route.c	ipv4: fix race condition between route lookup and invalidation	2019-10-17 16:44:03 -07:00
syncookies.c
sysctl_net_ipv4.c
tcp.c	net: use skb_queue_empty_lockless() in busy poll contexts	2019-10-28 13:33:41 -07:00
tcp_bbr.c	tcp_bbr: fix quantization code to not raise cwnd if not probing bandwidth	2019-09-27 20:37:50 +02:00
tcp_bic.c
tcp_bpf.c
tcp_cdg.c
tcp_cong.c
tcp_cubic.c
tcp_dctcp.c
tcp_dctcp.h
tcp_diag.c	tcp: annotate tp->write_seq lockless reads	2019-10-13 10:13:08 -07:00
tcp_fastopen.c	tcp: add rcu protection around tp->fastopen_rsk	2019-10-13 10:13:08 -07:00
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c
tcp_illinois.c
tcp_input.c	tcp: annotate sk->sk_sndbuf lockless reads	2019-10-13 10:13:08 -07:00
tcp_ipv4.c	inet: stop leaking jiffies on the wire	2019-11-01 14:57:52 -07:00
tcp_lp.c
tcp_metrics.c
tcp_minisocks.c	tcp: annotate tp->snd_nxt lockless reads	2019-10-13 10:13:08 -07:00
tcp_nv.c
tcp_offload.c
tcp_output.c	tcp: annotate sk->sk_wmem_queued lockless reads	2019-10-13 10:13:08 -07:00
tcp_rate.c
tcp_recovery.c
tcp_scalable.c
tcp_timer.c	tcp: add rcu protection around tp->fastopen_rsk	2019-10-13 10:13:08 -07:00
tcp_ulp.c
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c
tunnel4.c
udp.c	net: annotate accesses to sk->sk_incoming_cpu	2019-10-30 13:24:25 -07:00
udp_diag.c
udp_impl.h
udp_offload.c
udp_tunnel.c
udplite.c
xfrm4_input.c
xfrm4_output.c
xfrm4_policy.c	ipv4: Revert removal of rt_uses_gateway	2019-09-20 18:23:33 -07:00
xfrm4_protocol.c
xfrm4_state.c
xfrm4_tunnel.c