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Toke Høiland-Jørgensen 2b714b607f inet_ecn: Fix endianness of checksum update when setting ECT(1) 
[ Upstream commit 2867e1eac61016f59b3d730e3f7aa488e186e917 ]

When adding support for propagating ECT(1) marking in IP headers it seems I
suffered from endianness-confusion in the checksum update calculation: In
fact the ECN field is in the *lower* bits of the first 16-bit word of the
IP header when calculating in network byte order. This means that the
addition performed to update the checksum field was wrong; let's fix that.

Fixes: b723748750ec ("tunnel: Propagate ECT(1) when decapsulating as recommended by RFC6040")
Reported-by: Jonathan Morton <chromatix99@gmail.com>
Tested-by: Pete Heist <pete@heistp.net>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/r/20201130183705.17540-1-toke@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-08 10:40:25 +01:00
..
9p
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188
2019-05-30 11:29:21 -07:00
bluetooth
Bluetooth: Disconnect if E0 is used for Level 4
2020-10-17 10:11:22 +02:00
caif
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
2019-05-30 11:29:22 -07:00
iucv
net/af_iucv: locate IUCV header via skb_network_header()
2018-09-26 09:56:07 -07:00
netfilter
netfilter: nftables_offload: KASAN slab-out-of-bounds Read in nft_flow_rule_create
2020-11-01 12:01:01 +01:00
netns
netfilter: nf_tables: autoload modules from the abort path
2020-01-29 16:45:33 +01:00
nfc
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
phonet
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336
2019-06-05 17:37:07 +02:00
sctp
net: sctp: Fix IPv6 ancestor_size calc in sctp_copy_descendant
2020-09-26 18:03:13 +02:00
tc_act
net: sched: take reference to psample group in flow_action infra
2019-09-16 09:18:03 +02:00
6lowpan.h
…
act_api.h
net_sched: defer tcf_idr_insert() in tcf_action_init_1()
2020-10-14 10:33:06 +02:00
addrconf.h
ipv6: fix memory leaks on IPV6_ADDRFORM path
2020-08-11 15:33:39 +02:00
af_ieee802154.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
af_rxrpc.h
rxrpc: Make rxrpc_kernel_get_srtt() indicate validity
2020-09-09 19:12:23 +02:00
af_unix.h
net: split out functions related to registering inflight socket files
2019-02-28 08:24:23 -07:00
af_vsock.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321
2019-06-05 17:37:05 +02:00
ah.h
…
arp.h
net: avoid potential false sharing in neighbor related code
2019-12-31 16:45:03 +01:00
atmclip.h
…
ax25.h
ax25: fix possible use-after-free
2019-01-23 11:18:00 -08:00
ax88796.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
bond_3ad.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 90
2019-05-24 17:37:53 +02:00
bond_alb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 5
2019-05-21 11:28:40 +02:00
bond_options.h
bonding: add an option to specify a delay between peer notifications
2019-07-04 12:30:48 -07:00
bonding.h
bonding: wait for sysfs kobject destruction before freeing struct slave
2020-12-08 10:40:24 +01:00
bpf_sk_storage.h
bpf: support cloning sk storage on accept()
2019-08-17 23:18:54 +02:00
busy_poll.h
net: annotate lockless accesses to sk->sk_napi_id
2019-10-30 17:34:35 -07:00
calipso.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
cfg80211-wext.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
cfg80211.h
cfg80211: Fix radar event during another phy CAC
2020-02-05 21:22:46 +00:00
cfg802154.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
checksum.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cipso_ipv4.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
cls_cgroup.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
codel_impl.h
…
codel_qdisc.h
…
codel.h
…
compat.h
net: rework SIOCGSTAMP ioctl handling
2019-04-19 14:07:40 -07:00
datalink.h
…
dcbevent.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
dcbnl.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
devlink.h
devlink: disallow reload operation during device cleanup
2019-11-09 19:38:36 -08:00
dn_dev.h
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dn_fib.h
…
dn_neigh.h
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dn_nsp.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 24
2019-05-21 11:52:39 +02:00
dn_route.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 24
2019-05-21 11:52:39 +02:00
dn.h
…
drop_monitor.h
net: drop_monitor: use IS_REACHABLE() to guard net_dm_hw_report()
2020-05-27 17:46:24 +02:00
dsa.h
net: dsa: Pass ndo_setup_tc slave callback to drivers
2019-09-16 21:32:57 +02:00
dsfield.h
…
dst_cache.h
…
dst_metadata.h
…
dst_ops.h
net: add bool confirm_neigh parameter for dst_ops.update_pmtu
2020-01-04 19:18:58 +01:00
dst.h
net: Added pointer check for dst->ops->neigh_lookup in dst_neigh_lookup_skb
2020-07-22 09:32:47 +02:00
erspan.h
…
esp.h
…
ethoc.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
failover.h
…
fib_notifier.h
net: fib: drop include of module.h from fib_notifier.h
2019-04-22 21:50:53 -07:00
fib_rules.h
fib: add missing attribute validation for tun_id
2020-03-18 07:17:44 +01:00
firewire.h
…
flow_dissector.h
net: sched: correct flower port blocking
2020-03-05 16:43:32 +01:00
flow_offload.h
net: core: rename indirect block ingress cb function
2019-12-18 16:08:47 +01:00
flow.h
ipv4: Initialize flowi4_multipath_hash in data path
2020-09-26 18:03:12 +02:00
fou.h
…
fq_impl.h
net/fq_impl: Switch to kvmalloc() for memory allocation
2019-11-08 09:11:49 +01:00
fq.h
net/flow_dissector: switch to siphash
2019-10-23 20:13:22 -07:00
garp.h
…
gen_stats.h
net: align gnet_stats_basic_cpu struct
2018-11-17 21:37:29 -08:00
genetlink.h
genetlink: remove genl_bind
2020-07-22 09:32:46 +02:00
geneve.h
net: Move the definition of the default Geneve udp port to public header file
2019-03-22 12:09:31 -07:00
gre.h
net: Add netif_is_gretap()/netif_is_ip6gretap()
2018-12-10 15:53:04 -08:00
gro_cells.h
…
gtp.h
…
gue.h
net:gue.h:Fix shifting signed 32-bit value by 31 bits problem
2019-07-01 10:58:23 -07:00
hwbm.h
net: hwbm: if CONFIG_NET_HWBM unset, make stub functions static
2019-10-25 16:24:32 -07:00
icmp.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ieee80211_radiotap.h
wireless-drivers-next patches for 5.1
2019-02-22 12:56:24 -08:00
ieee802154_netdev.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
if_inet6.h
ipv6: shrink struct ipv6_mc_socklist
2019-08-28 14:43:03 -07:00
ife.h
net: ife: drop include of module.h from net/ife.h
2019-04-22 21:50:53 -07:00
ila.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
inet6_connection_sock.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
inet6_hashtables.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
inet_common.h
inet: factor out inet_send_prepare()
2019-07-03 13:51:54 -07:00
inet_connection_sock.h
net: refactor bind_bucket fastreuse into helper
2020-08-19 08:16:23 +02:00
inet_ecn.h
inet_ecn: Fix endianness of checksum update when setting ECT(1)
2020-12-08 10:40:25 +01:00
inet_frag.h
inet: frags: re-introduce skb coalescing for local delivery
2019-08-08 15:55:10 -07:00
inet_hashtables.h
dccp: Fix possible memleak in dccp_init and dccp_fini
2020-06-17 16:40:32 +02:00
inet_sock.h
ip: support SO_MARK cmsg
2019-09-13 21:44:19 +02:00
inet_timewait_sock.h
tcp: honor SO_PRIORITY in TIME_WAIT state
2019-09-27 12:05:02 +02:00
inetpeer.h
net: ipv4: use a dedicated counter for icmp_v4 redirect packets
2019-02-08 21:50:15 -08:00
ip6_checksum.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ip6_fib.h
ipv6: Use global sernum for dst validation with nexthop objects
2020-05-14 07:58:20 +02:00
ip6_route.h
net: ipv6: do not consider routes via gateways for anycast address check
2020-04-21 09:04:45 +02:00
ip6_tunnel.h
ip6_tunnel: allow not to count pkts on tstats by passing dev as NULL
2019-06-18 20:48:45 -04:00
ip_fib.h
ipv4: nexthop version of fib_info_nh_uses_dev
2020-06-03 08:21:37 +02:00
ip_tunnels.h
ip_tunnels: Set tunnel option flag when tunnel metadata is present
2020-11-24 13:29:05 +01:00
ip_vs.h
ipvs: allow connection reuse for unconfirmed conntrack
2020-08-19 08:16:10 +02:00
ip.h
net/ipv4: always honour route mtu during forwarding
2020-10-29 09:57:24 +01:00
ipcomp.h
…
ipconfig.h
…
ipv6_frag.h
inet: fix various use-after-free in defrags units
2019-06-19 11:37:47 -04:00
ipv6_stubs.h
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-18 16:08:42 +01:00
ipv6.h
net: ipv6: add net argument to ip6_dst_lookup_flow
2019-12-18 16:08:40 +01:00
ipx.h
bonding/alb: properly access headers in bond_alb_xmit()
2020-02-11 04:35:48 -08:00
iw_handler.h
…
kcm.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
l3mdev.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
lag.h
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lapb.h
…
lib80211.h
…
llc_c_ac.h
…
llc_c_ev.h
…
llc_c_st.h
…
llc_conn.h
llc: fix sk_buff leak in llc_conn_service()
2019-10-08 13:23:05 -07:00
llc_if.h
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llc_pdu.h
…
llc_s_ac.h
…
llc_s_ev.h
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llc_s_st.h
…
llc_sap.h
…
llc.h
llc: avoid blocking in llc_sap_close()
2018-09-13 09:04:58 -07:00
lwtunnel.h
lwtunnel: Pass encap and encap type attributes to lwtunnel_fill_encap
2019-04-23 19:42:29 -07:00
mac80211.h
mac80211: populate debugfs only after cfg80211 init
2020-04-29 16:33:18 +02:00
mac802154.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
mip6.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
mld.h
…
mpls_iptunnel.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295
2019-06-05 17:36:38 +02:00
mpls.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295
2019-06-05 17:36:38 +02:00
mrp.h
…
ncsi.h
…
ndisc.h
net: avoid potential false sharing in neighbor related code
2019-12-31 16:45:03 +01:00
neighbour.h
Exempt multicast addresses from five-second neighbor lifetime
2020-11-24 13:28:56 +01:00
net_failover.h
…
net_namespace.h
ipv6: Use global sernum for dst validation with nexthop objects
2020-05-14 07:58:20 +02:00
net_ratelimit.h
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netevent.h
net: ipv4: Notify about changes to ip_forward_update_priority
2018-08-01 09:52:30 -07:00
netlabel.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
netlink.h
netlink: Fix nlmsg_parse as a wrapper for strict message parsing
2019-08-13 20:37:16 -07:00
netprio_cgroup.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
netrom.h
net: netrom: Fix error cleanup path of nr_proto_init
2019-04-11 13:59:49 -07:00
nexthop.h
ipv4: nexthop version of fib_info_nh_uses_dev
2020-06-03 08:21:37 +02:00
nl802154.h
…
nsh.h
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p8022.h
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page_pool.h
page_pool: do not release pool until inflight == 0.
2019-12-18 16:09:07 +01:00
ping.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
pkt_cls.h
net_sched: fix ops->bind_class() implementations
2020-02-01 09:34:38 +00:00
pkt_sched.h
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-22 09:32:48 +02:00
pptp.h
…
protocol.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
psample.h
net: sched: take reference to psample group in flow_action infra
2019-09-16 09:18:03 +02:00
psnap.h
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raw.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
rawv6.h
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red.h
…
regulatory.h
cfg80211: make wmm_rule part of the reg_rule structure
2018-08-28 11:11:47 +02:00
request_sock.h
net: add {READ|WRITE}_ONCE() annotations on ->rskq_accept_head
2019-10-09 21:34:31 -07:00
rose.h
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route.h
ipv4: Revert removal of rt_uses_gateway
2019-09-20 18:23:33 -07:00
rsi_91x.h
…
rtnetlink.h
net: Add extack argument to rtnl_create_link
2018-11-06 15:00:45 -08:00
rtnh.h
net: Rename net/nexthop.h net/rtnh.h
2019-04-22 21:47:25 -07:00
sch_generic.h
net_sched: fix tcm_parent in tc filter dump
2020-05-20 08:20:07 +02:00
scm.h
pids: Compute task_tgid using signal->leader_pid
2018-07-21 10:43:12 -05:00
secure_seq.h
…
seg6_hmac.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
seg6_local.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
seg6.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
slhc_vj.h
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smc.h
net/smc: add smcd support to the pnet table
2019-02-21 10:34:37 -08:00
snmp.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sock_reuseport.h
udp: correct reuseport selection with connected sockets
2019-09-16 09:02:18 +02:00
sock.h
net: silence data-races on sk_backlog.tail
2020-10-01 13:17:15 +02:00
Space.h
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stp.h
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strparser.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
switchdev.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tcp_states.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tcp.h
tcp: correct read of TFO keys on big endian systems
2020-08-19 08:16:23 +02:00
timewait_sock.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tipc.h
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tls.h
net/tls: Protect from calling tls_dev_del for TLS RX twice
2020-12-08 10:40:23 +01:00
transp_v6.h
…
tso.h
…
tun_proto.h
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udp_tunnel.h
ipv6: Move ipv6 stubs to a separate header file
2019-03-29 10:53:45 -07:00
udp.h
udp: document udp_rcv_segment special case for looped packets
2020-05-10 10:31:33 +02:00
udplite.h
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vsock_addr.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321
2019-06-05 17:37:05 +02:00
vxlan.h
vxlan: add adjacent link to limit depth level
2019-10-24 14:53:49 -07:00
wext.h
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wimax.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 268
2019-06-05 17:30:29 +02:00
x25.h
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x25device.h
…
xdp_priv.h
page_pool: do not release pool until inflight == 0.
2019-12-18 16:09:07 +01:00
xdp_sock.h
xsk: add support to allow unaligned chunk placement
2019-08-31 01:08:26 +02:00
xdp.h
xdp: page_pool related fix to cpumap
2019-06-19 11:23:13 -04:00
xfrm.h
xfrm: clone XFRMA_REPLAY_ESN_VAL in xfrm_do_migrate
2020-10-14 10:33:02 +02:00