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linux/net/ipv4
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Willy Tarreau a81a6b204a tcp: drop the hash_32() part from the index calculation 
commit e8161345ddbb66e449abde10d2fdce93f867eba9 upstream.

In commit 190cc82489f4 ("tcp: change source port randomizarion at
connect() time"), the table_perturb[] array was introduced and an
index was taken from the port_offset via hash_32(). But it turns
out that hash_32() performs a multiplication while the input here
comes from the output of SipHash in secure_seq, that is well
distributed enough to avoid the need for yet another hash.

Suggested-by: Amit Klein <aksecurity@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-25 11:45:20 +02:00
..
netfilter
netfilter: x_tables: fix compat match/target pad out-of-bound write
2021-04-16 11:59:12 +02:00
af_inet.c
gso: do not skip outer ip header in case of ipip and net_failover
2022-03-02 11:32:02 +01:00
ah4.c
ipsec: check return value of skb_to_sgvec always
2018-04-13 19:48:31 +02:00
arp.c
arp: fix arp_filter on l3slave devices
2018-04-13 19:48:32 +02:00
cipso_ipv4.c
cipso,calipso: resolve a number of problems with the DOI refcounts
2022-01-27 08:47:42 +01:00
datagram.c
inet: stop leaking jiffies on the wire
2019-11-10 11:23:29 +01:00
devinet.c
net: return correct error code
2021-12-08 08:45:05 +01:00
esp4.c
ipsec: check return value of skb_to_sgvec always
2018-04-13 19:48:31 +02:00
fib_frontend.c
ipv4: Ignore ECN bits for fib lookups in fib_compute_spec_dst()
2021-01-12 19:49:02 +01:00
fib_lookup.h
…
fib_rules.c
switchdev: remove FIB offload infrastructure
2016-09-28 04:48:00 -04:00
fib_semantics.c
net: Fix the arp error in some cases
2020-06-30 15:38:39 -04:00
fib_trie.c
ipv4: Silence suspicious RCU usage warning
2020-08-21 11:01:55 +02:00
fou.c
net: fou: do not use guehdr after iptunnel_pull_offloads in gue_udp_recv
2019-04-27 09:34:40 +02:00
gre_demux.c
gre: fix uninit-value in __iptunnel_pull_header
2020-03-20 09:07:38 +01:00
gre_offload.c
gso: fix payload length when gso_size is zero
2017-11-18 11:22:20 +01:00
icmp.c
ipv4/icmp: l3mdev: Perform icmp error route lookup on source device routing table (v2)
2021-09-22 11:42:57 +02:00
igmp.c
net: igmp: respect RCU rules in ip_mc_source() and ip_mc_msfilter()
2022-05-12 12:14:58 +02:00
inet_connection_sock.c
net: refactor bind_bucket fastreuse into helper
2020-09-12 11:47:38 +02:00
inet_diag.c
inet_diag: Fix error path to cancel the meseage in inet_req_diag_fill()
2020-11-24 13:02:54 +01:00
inet_fragment.c
net: IP defrag: encapsulate rbtree defrag code into callable functions
2019-05-02 09:32:06 +02:00
inet_hashtables.c
tcp: drop the hash_32() part from the index calculation
2022-06-25 11:45:20 +02:00
inet_timewait_sock.c
soreuseport: initialise timewait reuseport field
2018-05-16 10:08:41 +02:00
inetpeer.c
net: ipv4: use a dedicated counter for icmp_v4 redirect packets
2019-02-23 09:05:59 +01:00
ip_forward.c
ipv4: allow local fragmentation in ip_finish_output_gso()
2016-11-03 16:10:26 -04:00
ip_fragment.c
net: IP defrag: encapsulate rbtree defrag code into callable functions
2019-05-02 09:32:06 +02:00
ip_gre.c
ip_gre: Make o_seqno start from 0 in native mode
2022-05-12 12:14:55 +02:00
ip_input.c
vrf: check accept_source_route on the original netdevice
2019-04-17 08:36:45 +02:00
ip_options.c
vrf: check accept_source_route on the original netdevice
2019-04-17 08:36:45 +02:00
ip_output.c
ipv4: tcp: send zero IPID in SYNACK messages
2022-02-08 18:15:28 +01:00
ip_sockglue.c
ip: on queued skb use skb_header_pointer instead of pskb_may_pull
2019-01-23 08:10:54 +01:00
ip_tunnel_core.c
ip_tunnel: don't force DF when MTU is locked
2018-11-23 08:20:34 +01:00
ip_tunnel.c
net: fix pmtu check in nopmtudisc mode
2021-01-17 13:57:53 +01:00
ip_vti.c
ip_vti: receive ipip packet by calling ip_tunnel_rcv
2020-06-03 08:16:45 +02:00
ipcomp.c
…
ipconfig.c
net: ipconfig: Don't override command-line hostnames or domains
2021-06-30 08:49:11 -04:00
ipip.c
net: ipip: fix wrong address family in init error path
2020-06-03 08:16:23 +02:00
ipmr.c
ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path
2022-02-16 12:43:53 +01:00
Kconfig
vti[6]: fix packet tx through bpf_redirect() in XinY cases
2020-04-02 17:20:34 +02:00
Makefile
tcp_bbr: add BBR congestion control
2016-09-21 00:23:01 -04:00
netfilter.c
netfilter: use skb_to_full_sk in ip_route_me_harder
2017-07-05 14:40:28 +02:00
ping.c
ping: fix address binding wrt vrf
2022-05-18 09:15:44 +02:00
proc.c
tcp: tcp_fragment() should apply sane memory limits
2019-06-17 19:53:32 +02:00
protocol.c
…
raw.c
ipv4: raw: lock the socket in raw_bind()
2022-02-08 18:15:28 +01:00
route.c
ipv4: drop dst in multicast routing path
2022-05-18 09:15:42 +02:00
syncookies.c
net: Update window_clamp if SOCK_RCVBUF is set
2020-11-18 18:26:29 +01:00
sysctl_net_ipv4.c
tcp: add tcp_min_snd_mss sysctl
2019-06-17 19:53:33 +02:00
tcp_bbr.c
tcp_bbr: fix u32 wrap bug in round logic if bbr_init() called after 2B packets
2021-08-26 08:37:23 -04:00
tcp_bic.c
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_cdg.c
tcp: cdg: rename struct minmax in tcp_cdg.c to avoid a naming conflict
2016-09-21 00:22:59 -04:00
tcp_cong.c
tcp: make sure listeners don't initialize congestion-control state
2020-07-22 09:10:48 +02:00
tcp_cubic.c
tcp_cubic: fix spurious Hystart ACK train detections for not-cwnd-limited flows
2021-12-08 08:45:03 +01:00
tcp_dctcp.c
tcp: Ensure DCTCP reacts to losses
2019-04-17 08:36:45 +02:00
tcp_diag.c
net: diag: Fix refcnt leak in error path destroying socket
2016-08-23 23:11:36 -07:00
tcp_fastopen.c
tcp: initialize max window for a new fastopen socket
2017-02-04 09:47:10 +01:00
tcp_highspeed.c
…
tcp_htcp.c
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_hybla.c
…
tcp_illinois.c
net/tcp/illinois: replace broken algorithm reference link
2018-05-30 07:50:33 +02:00
tcp_input.c
tcp: fix tcp_mtup_probe_success vs wrong snd_cwnd
2022-06-14 16:52:42 +02:00
tcp_ipv4.c
tcp: seq_file: Avoid skipping sk during tcp_seek_last_pos
2021-09-22 11:43:00 +02:00
tcp_lp.c
tcp: fix wraparound issue in tcp_lp
2017-05-14 14:00:21 +02:00
tcp_metrics.c
tcp: make nla_policy const
2016-09-01 14:09:01 -07:00
tcp_minisocks.c
tcp: do not restart timewait timer on rst reception
2018-09-15 09:42:56 +02:00
tcp_nv.c
tcp_nv: fix potential integer overflow in tcpnv_acked
2018-05-30 07:50:22 +02:00
tcp_offload.c
gso: validate gso_type in GSO handlers
2018-01-31 12:55:55 +01:00
tcp_output.c
tcp: tcp_rtx_synack() can be called from process context
2022-06-14 16:52:38 +02:00
tcp_probe.c
tcp: Revert "tcp: tcp_probe: use spin_lock_bh()"
2018-09-15 09:43:01 +02:00
tcp_rate.c
tcp: invalidate rate samples during SACK reneging
2018-01-02 20:35:13 +01:00
tcp_recovery.c
tcp: do not assume TCP code is non preemptible
2016-05-02 17:02:25 -04:00
tcp_scalable.c
…
tcp_timer.c
tcp: fix SNMP TCP timeout under-estimation
2019-12-21 10:41:17 +01:00
tcp_vegas.c
tcp: fix under-evaluated ssthresh in TCP Vegas
2017-12-25 14:23:45 +01:00
tcp_vegas.h
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_veno.c
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_westwood.c
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_yeah.c
tcp: cwnd does not increase in TCP YeAH
2016-09-08 17:16:12 -07:00
tcp.c
tcp: make tcp_read_sock() more robust
2022-03-23 09:00:33 +01:00
tunnel4.c
tunnels: correct conditional build of MPLS and IPv6
2016-07-11 13:27:06 -07:00
udp_diag.c
net: inet: diag: expose the socket mark to privileged processes.
2016-09-08 16:13:09 -07:00
udp_impl.h
udplite: call proper backlog handlers
2016-11-24 15:32:14 -05:00
udp_offload.c
net: Fix gro aggregation for udp encaps with zero csum
2021-03-17 16:10:13 +01:00
udp_tunnel.c
net: Remove deprecated tunnel specific UDP offload functions
2016-06-17 20:23:32 -07:00
udp.c
net: udp: fix alignment problem in udp4_seq_show()
2022-01-11 13:38:13 +01:00
udplite.c
udplite: call proper backlog handlers
2016-11-24 15:32:14 -05:00
xfrm4_input.c
…
xfrm4_mode_beet.c
…
xfrm4_mode_transport.c
…
xfrm4_mode_tunnel.c
…
xfrm4_output.c
xfrm: Always set XFRM_TRANSFORMED in xfrm{4,6}_output_finish
2020-05-02 17:23:09 +02:00
xfrm4_policy.c
xfrm: Don't accidentally set RTO_ONLINK in decode_session4()
2022-02-23 11:56:40 +01:00
xfrm4_protocol.c
net: xfrm: unexport __init-annotated xfrm4_protocol_init()
2022-06-14 16:52:39 +02:00
xfrm4_state.c
…
xfrm4_tunnel.c
…