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linux-stable/net/ipv4
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Eric Dumazet 6d88d4b1bb tcp: fix cookie_init_timestamp() overflows 
[ Upstream commit 73ed8e0338 ]

cookie_init_timestamp() is supposed to return a 64bit timestamp
suitable for both TSval determination and setting of skb->tstamp.

Unfortunately it uses 32bit fields and overflows after
2^32 * 10^6 nsec (~49 days) of uptime.

Generated TSval are still correct, but skb->tstamp might be set
far away in the past, potentially confusing other layers.

tcp_ns_to_ts() is changed to return a full 64bit value,
ts and ts_now variables are changed to u64 type,
and TSMASK is removed in favor of shifts operations.

While we are at it, change this sequence:
		ts >>= TSBITS;
		ts--;
		ts <<= TSBITS;
		ts |= options;
to:
		ts -= (1UL << TSBITS);

Fixes: 9a568de481 ("tcp: switch TCP TS option (RFC 7323) to 1ms clock")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-11-20 11:51:54 +01:00
..
bpfilter
netfilter netfilter: tproxy: fix deadlock due to missing BH disable 2023-03-17 08:50:25 +01:00
af_inet.c tcp: allow again tcp_disconnect() when threads are waiting 2023-10-25 12:03:12 +02:00
ah4.c xfrm: ah: add extack to ah_init_state, ah6_init_state 2022-09-29 07:17:59 +02:00
arp.c neighbour: annotate lockless accesses to n->nud_state 2023-10-10 22:00:42 +02:00
bpf_tcp_ca.c bpf: Use 0 instead of NOT_INIT for btf_struct_access() writes 2022-09-10 17:27:32 -07:00
cipso_ipv4.c cipso: Fix data-races around sysctl. 2022-07-08 12:10:33 +01:00
datagram.c ipv4: fix data-races around inet->inet_id 2023-08-30 16:11:02 +02:00
devinet.c net: ipv4: fix one memleak in __inet_del_ifa() 2023-09-19 12:28:08 +02:00
esp4.c net: ipv4: fix return value check in esp_remove_trailer 2023-10-25 12:03:06 +02:00
esp4_offload.c xfrm: Linearize the skb after offloading if needed. 2023-06-28 11:12:29 +02:00
fib_frontend.c ipv4: Fix incorrect table ID in IOCTL path 2023-03-22 13:33:50 +01:00
fib_lookup.h
fib_notifier.c
fib_rules.c
fib_semantics.c ipv4/fib: send notify when delete source address routes 2023-10-25 12:03:11 +02:00
fib_trie.c ipv4/fib: send notify when delete source address routes 2023-10-25 12:03:11 +02:00
fou.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
gre_demux.c
gre_offload.c net: gro: skb_gro_header helper function 2022-08-25 10:33:21 +02:00
icmp.c icmp: guard against too small mtu 2023-04-13 16:55:21 +02:00
igmp.c igmp: limit igmpv3_newpack() packet size to IP_MAX_MTU 2023-09-13 09:42:59 +02:00
inet_connection_sock.c tcp: allow again tcp_disconnect() when threads are waiting 2023-10-25 12:03:12 +02:00
inet_diag.c net: annotate data-races around sk->sk_mark 2023-08-11 12:08:14 +02:00
inet_fragment.c
inet_hashtables.c tcp: Fix listen() warning with v4-mapped-v6 address. 2023-10-25 12:03:06 +02:00
inet_timewait_sock.c Revert "tcp: avoid the lookup process failing to get sk in ehash table" 2023-07-27 08:50:45 +02:00
inetpeer.c inetpeer: Fix data-races around sysctl. 2022-07-08 12:10:33 +01:00
ip_forward.c ip: Fix data-races around sysctl_ip_fwd_update_priority. 2022-07-15 11:49:55 +01:00
ip_fragment.c
ip_gre.c erspan: do not use skb_mac_header() in ndo_start_xmit() 2023-03-30 12:49:09 +02:00
ip_input.c ipv4: ignore dst hint for multipath routes 2023-09-19 12:28:01 +02:00
ip_options.c
ip_output.c neighbour: switch to standard rcu, instead of rcu_bh 2023-10-10 22:00:42 +02:00
ip_sockglue.c net: annotate data-races around sk->sk_priority 2023-08-11 12:08:15 +02:00
ip_tunnel.c net: tunnels: annotate lockless accesses to dev->needed_headroom 2023-03-22 13:33:46 +01:00
ip_tunnel_core.c tunnels: fix kasan splat when generating ipv4 pmtu error 2023-08-16 18:27:27 +02:00
ip_vti.c ip_vti: fix potential slab-use-after-free in decode_session6 2023-08-23 17:52:32 +02:00
ipcomp.c xfrm: ipcomp: add extack to ipcomp{4,6}_init_state 2022-09-29 07:18:00 +02:00
ipconfig.c Driver core / kernfs changes for 6.0-rc1 2022-08-04 11:31:20 -07:00
ipip.c net: Add helper function to parse netlink msg of ip_tunnel_parm 2022-10-03 07:59:06 +01:00
ipmr.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-09-22 13:02:10 -07:00
ipmr_base.c ipmr: adopt rcu_read_lock() in mr_dump() 2022-06-24 11:34:38 +01:00
Kconfig tcp: configurable source port perturb table size 2022-11-16 13:02:04 +00:00
Makefile
metrics.c ipv4: prevent potential spectre v1 gadget in ip_metrics_convert() 2023-02-01 08:34:45 +01:00
netfilter.c
netlink.c
nexthop.c neighbour: switch to standard rcu, instead of rcu_bh 2023-10-10 22:00:42 +02:00
ping.c ping: Fix potentail NULL deref for /proc/net/icmp. 2023-04-13 16:55:24 +02:00
proc.c tcp: Don't allocate tcp_death_row outside of struct netns_ipv4. 2022-09-20 10:21:49 -07:00
protocol.c
raw.c net: annotate data-races around sk->sk_priority 2023-08-11 12:08:15 +02:00
raw_diag.c raw: Fix NULL deref in raw_get_next(). 2023-04-13 16:55:23 +02:00
route.c ipv4: Set offload_failed flag in fibmatch results 2023-10-10 22:00:43 +02:00
syncookies.c tcp: fix cookie_init_timestamp() overflows 2023-11-20 11:51:54 +01:00
sysctl_net_ipv4.c tcp: enforce receive buffer memory limits by allowing the tcp window to shrink 2023-10-19 23:08:54 +02:00
tcp.c tcp: allow again tcp_disconnect() when threads are waiting 2023-10-25 12:03:12 +02:00
tcp_bbr.c bpf: Switch to new kfunc flags infrastructure 2022-07-21 20:59:42 -07:00
tcp_bic.c
tcp_bpf.c tcp_bpf: properly release resources on error paths 2023-10-25 12:03:13 +02:00
tcp_cdg.c Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
tcp_cong.c
tcp_cubic.c bpf: Switch to new kfunc flags infrastructure 2022-07-21 20:59:42 -07:00
tcp_dctcp.c bpf: Switch to new kfunc flags infrastructure 2022-07-21 20:59:42 -07:00
tcp_dctcp.h
tcp_diag.c tcp: Access &tcp_hashinfo via net. 2022-09-20 10:21:49 -07:00
tcp_fastopen.c tcp: annotate data-races around fastopenq.max_qlen 2023-07-27 08:50:49 +02:00
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c
tcp_illinois.c
tcp_input.c tcp: call tcp_try_undo_recovery when an RTOd TFO SYNACK is ACKed 2023-11-20 11:51:52 +01:00
tcp_ipv4.c tcp: check mptcp-level constraints for backlog coalescing 2023-10-25 12:03:04 +02:00
tcp_lp.c
tcp_metrics.c tcp_metrics: do not create an entry from tcp_init_metrics() 2023-11-20 11:51:53 +01:00
tcp_minisocks.c tcp: annotate data-races around tcp_rsk(req)->ts_recent 2023-07-27 08:50:45 +02:00
tcp_nv.c
tcp_offload.c tcp: gso: really support BIG TCP 2023-06-14 11:15:20 +02:00
tcp_output.c tcp: tsq: relax tcp_small_queue_check() when rtx queue contains a single skb 2023-10-25 12:03:06 +02:00
tcp_rate.c
tcp_recovery.c tcp: fix excessive TLP and RACK timeouts from HZ rounding 2023-10-25 12:03:06 +02:00
tcp_scalable.c
tcp_timer.c net: tcp: fix unexcepted socket die when snd_wnd is 0 2023-09-13 09:42:32 +02:00
tcp_ulp.c net/ulp: use consistent error code when blocking ULP 2023-01-24 07:24:43 +01:00
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c
tunnel4.c
udp.c udp: add missing WRITE_ONCE() around up->encap_rcv 2023-11-20 11:51:52 +01:00
udp_bpf.c bpf, sockmap: Fix an infinite loop error when len is 0 in tcp_bpf_recvmsg_parser() 2023-03-17 08:50:24 +01:00
udp_diag.c
udp_impl.h
udp_offload.c
udp_tunnel_core.c net/tunnel: wait until all sk_user_data reader finish before releasing the sock 2022-12-31 13:32:27 +01:00
udp_tunnel_nic.c
udp_tunnel_stub.c
udplite.c udplite: Fix NULL pointer dereference in __sk_mem_raise_allocated(). 2023-05-30 14:03:20 +01:00
xfrm4_input.c xfrm: fix inbound ipv4/udp/esp packets to UDPv6 dualstack sockets 2023-06-28 11:12:28 +02:00
xfrm4_output.c
xfrm4_policy.c net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
xfrm4_protocol.c net: xfrm: unexport __init-annotated xfrm4_protocol_init() 2022-06-08 10:10:13 -07:00
xfrm4_state.c
xfrm4_tunnel.c xfrm: tunnel: add extack to ipip_init_state, xfrm6_tunnel_init_state 2022-09-29 07:18:00 +02:00