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linux/net/ipv4
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Sebastian Andrzej Siewior 3cb0d1406c xfrm: Linearize the skb after offloading if needed. 
[ Upstream commit f015b900bc ]

With offloading enabled, esp_xmit() gets invoked very late, from within
validate_xmit_xfrm() which is after validate_xmit_skb() validates and
linearizes the skb if the underlying device does not support fragments.

esp_output_tail() may add a fragment to the skb while adding the auth
tag/ IV. Devices without the proper support will then send skb->data
points to with the correct length so the packet will have garbage at the
end. A pcap sniffer will claim that the proper data has been sent since
it parses the skb properly.

It is not affected with INET_ESP_OFFLOAD disabled.

Linearize the skb after offloading if the sending hardware requires it.
It was tested on v4, v6 has been adopted.

Fixes: 7785bba299 ("esp: Add a software GRO codepath")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-06-28 11:14:12 +02:00
..
bpfilter
net: Revert "net: optimize the sockptr_t for unified kernel/user address spaces"
2020-08-10 12:06:44 -07:00
netfilter
netfilter: tproxy: fix deadlock due to missing BH disable
2023-03-06 12:09:48 +01:00
af_inet.c
tcp: deny tcp_disconnect() when threads are waiting
2023-06-09 10:47:53 +02:00
ah4.c
net: ipv4: Remove completion function scaffolding
2023-02-13 18:35:15 +08:00
arp.c
ipv4: move from strlcpy with unused retval to strscpy
2022-08-22 17:59:37 -07:00
bpf_tcp_ca.c
bpf: Pass const struct bpf_prog * to .check_member
2023-01-25 10:25:57 -08:00
cipso_ipv4.c
cipso_ipv4: use iph_set_totlen in skbuff_setattr
2023-02-01 20:54:27 -08:00
datagram.c
Merge tag 'net-6.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-10-20 17:24:59 -07:00
devinet.c
net: devinet: Reduce refcount before grace period
2022-11-30 13:17:52 -08:00
esp4_offload.c
xfrm: Linearize the skb after offloading if needed.
2023-06-28 11:14:12 +02:00
esp4.c
net: ipv4: Remove completion function scaffolding
2023-02-13 18:35:15 +08:00
fib_frontend.c
ipv4: Fix incorrect table ID in IOCTL path
2023-03-16 17:26:31 -07:00
fib_lookup.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-02-17 11:44:20 -08:00
fib_notifier.c
net: ipv4: remove superfluous header files from fib_notifier.c
2021-09-28 17:32:56 -07:00
fib_rules.c
ipv4: remove unnecessary type castings
2022-04-30 15:12:58 +01:00
fib_semantics.c
ipv4: prevent potential spectre v1 gadget in fib_metrics_match()
2023-01-23 21:37:39 -08:00
fib_trie.c
ipv4: Fix error return code in fib_table_insert()
2022-11-22 20:18:20 -08:00
fou_core.c
net: fou: use policy and operation tables generated from the spec
2023-01-24 10:58:11 +01:00
fou_nl.c
ynl: broaden the license even more
2023-03-16 21:20:32 -07:00
fou_nl.h
ynl: broaden the license even more
2023-03-16 21:20:32 -07:00
gre_demux.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
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
2023-03-31 21:37:06 -07:00
igmp.c
treewide: use get_random_u32_below() instead of deprecated function
2022-11-18 02:15:15 +01:00
inet_connection_sock.c
tcp: deny tcp_disconnect() when threads are waiting
2023-06-09 10:47:53 +02:00
inet_diag.c
net: inet: Retire port only listening_hash
2022-05-12 16:52:18 -07:00
inet_fragment.c
net: dropreason: add SKB_DROP_REASON_FRAG_REASM_TIMEOUT
2022-10-31 20:14:27 -07:00
inet_hashtables.c
tcp: Fix bind() conflict check for dual-stack wildcard address.
2023-03-15 00:23:14 -07:00
inet_timewait_sock.c
net: no longer support SOCK_REFCNT_DEBUG feature
2023-02-15 10:25:21 +00:00
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
net: dropreason: add SKB_DROP_REASON_FRAG_TOO_FAR
2022-10-31 20:14:27 -07:00
ip_gre.c
erspan: do not use skb_mac_header() in ndo_start_xmit()
2023-03-21 21:16:26 -07:00
ip_input.c
net: add support for ipv4 big tcp
2023-02-01 20:54:27 -08:00
ip_options.c
ipv4: drop fragmentation code from ip_options_build()
2022-01-29 17:53:07 +00:00
ip_output.c
ipv4: Fix potential uninit variable access bug in __ip_make_skb()
2023-05-11 23:17:22 +09:00
ip_sockglue.c
ipv{4,6}/raw: fix output xfrm lookup wrt protocol
2023-05-30 14:17:21 +01:00
ip_tunnel_core.c
net: Add helper function to parse netlink msg of ip_tunnel_parm
2022-10-03 07:59:06 +01:00
ip_tunnel.c
net: tunnels: annotate lockless accesses to dev->needed_headroom
2023-03-15 00:04:04 -07:00
ip_vti.c
ipv4: tunnels: use DEV_STATS_INC()
2022-11-16 12:48:44 +00:00
ipcomp.c
xfrm: ipcomp: add extack to ipcomp{4,6}_init_state
2022-09-29 07:18:00 +02:00
ipconfig.c
Merge tag 'driver-core-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-08-04 11:31:20 -07:00
ipip.c
ipv4: tunnels: use DEV_STATS_INC()
2022-11-16 12:48:44 +00:00
ipmr_base.c
ipmr: adopt rcu_read_lock() in mr_dump()
2022-06-24 11:34:38 +01:00
ipmr.c
treewide: Convert del_timer*() to timer_shutdown*()
2022-12-25 13:38:09 -08:00
Kconfig
tcp: configurable source port perturb table size
2022-11-16 13:02:04 +00:00
Makefile
net: fou: use policy and operation tables generated from the spec
2023-01-24 10:58:11 +01:00
metrics.c
ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()
2023-01-23 21:37:25 -08:00
netfilter.c
netfilter: Use l3mdev flow key when re-routing mangled packets
2022-05-16 13:03:29 +02:00
netlink.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
nexthop.c
nh: fix scope used to find saddr when adding non gw nh
2022-10-27 10:17:40 -07:00
ping.c
ping: Fix potentail NULL deref for /proc/net/icmp.
2023-04-04 18:56:58 -07:00
proc.c
icmp: Add counters for rate limits
2023-01-26 10:52:18 +01:00
protocol.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
raw_diag.c
raw: Fix NULL deref in raw_get_next().
2023-04-04 18:56:58 -07:00
raw.c
ipv{4,6}/raw: fix output xfrm lookup wrt protocol
2023-05-30 14:17:21 +01:00
route.c
treewide: use get_random_u32_below() instead of deprecated function
2022-11-18 02:15:15 +01:00
syncookies.c
mptcp: remove MPTCP 'ifdef' in TCP SYN cookies
2022-12-12 13:11:24 -08:00
sysctl_net_ipv4.c
net/ipv4: ping_group_range: allow GID from 2147483648 to 4294967294
2023-06-14 11:16:44 +02:00
tcp_bbr.c
bpf: Add __bpf_kfunc tag to all kfuncs
2023-02-02 00:25:14 +01:00
tcp_bic.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_bpf.c
bpf, sockmap: Incorrectly handling copied_seq
2023-06-05 09:29:42 +02:00
tcp_cdg.c
Merge tag 'random-6.1-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
2022-10-16 15:27:07 -07:00
tcp_cong.c
bpf: Add __bpf_kfunc tag to all kfuncs
2023-02-02 00:25:14 +01:00
tcp_cubic.c
bpf: Add __bpf_kfunc tag to all kfuncs
2023-02-02 00:25:14 +01:00
tcp_dctcp.c
bpf: Add __bpf_kfunc tag to all kfuncs
2023-02-02 00:25:14 +01:00
tcp_dctcp.h
tcp: refactor DCTCP ECN ACK handling
2018-10-10 22:26:00 -07:00
tcp_diag.c
tcp: Access &tcp_hashinfo via net.
2022-09-20 10:21:49 -07:00
tcp_fastopen.c
tcp: Make SYN ACK RTO tunable by BPF programs with TFO
2022-08-17 10:19:22 +01:00
tcp_highspeed.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_htcp.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_hybla.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_illinois.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_input.c
tcp: fix mishandling when the sack compression is deferred.
2023-06-09 10:47:55 +02:00
tcp_ipv4.c
tcp: fix possible sk_priority leak in tcp_v4_send_reset()
2023-05-24 17:30:14 +01:00
tcp_lp.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_metrics.c
genetlink: start to validate reserved header bytes
2022-08-29 12:47:15 +01:00
tcp_minisocks.c
tcp: tcp_check_req() can be called from process context
2023-02-27 11:59:29 -08:00
tcp_nv.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_offload.c
tcp: gso: really support BIG TCP
2023-06-14 11:16:49 +02:00
tcp_output.c
tcp: tcp_make_synack() can be called from process context
2023-03-09 23:12:00 -08:00
tcp_plb.c
prandom: remove prandom_u32_max()
2022-12-20 03:13:45 +01:00
tcp_rate.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-04-28 13:02:01 -07:00
tcp_recovery.c
tcp: Fix data-races around sysctl_tcp_recovery.
2022-07-20 10:14:50 +01:00
tcp_scalable.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_timer.c
tcp: fix mishandling when the sack compression is deferred.
2023-06-09 10:47:55 +02:00
tcp_ulp.c
net/ulp: use consistent error code when blocking ULP
2023-01-19 09:26:16 -08:00
tcp_vegas.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_vegas.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tcp_veno.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_westwood.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_yeah.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp.c
tcp: Return user_mss for TCP_MAXSEG in CLOSE/LISTEN state if user_mss set
2023-06-09 10:47:53 +02:00
tunnel4.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
udp_bpf.c
bpf, sockmap: Fix an infinite loop error when len is 0 in tcp_bpf_recvmsg_parser()
2023-03-03 17:25:15 +01:00
udp_diag.c
udp: Access &udp_table via net.
2022-11-16 09:43:35 +00:00
udp_impl.h
net: remove noblock parameter from recvmsg() entities
2022-04-12 15:00:25 +02:00
udp_offload.c
udp: allow header check for dodgy GSO_UDP_L4 packets.
2022-12-12 09:29:56 +00:00
udp_tunnel_core.c
net/tunnel: wait until all sk_user_data reader finish before releasing the sock
2022-12-12 09:51:52 +00:00
udp_tunnel_nic.c
udp_tunnel: Add checks for nla_nest_start() in __udp_tunnel_nic_dump_write()
2022-11-29 08:44:24 -08:00
udp_tunnel_stub.c
udp_tunnel: add central NIC RX port offload infrastructure
2020-07-10 13:54:00 -07:00
udp.c
bpf, sockmap: Pass skb ownership through read_skb
2023-06-05 09:29:39 +02:00
udplite.c
udplite: Fix NULL pointer dereference in __sk_mem_raise_allocated().
2023-05-30 14:17:24 +01:00
xfrm4_input.c
xfrm: fix inbound ipv4/udp/esp packets to UDPv6 dualstack sockets
2023-06-28 11:14:11 +02:00
xfrm4_output.c
xfrm: fix unused variable warning if CONFIG_NETFILTER=n
2020-05-11 15:12:27 +02:00
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
xfrm: remove output_finish indirection from xfrm_state_afinfo
2020-05-06 09:40:08 +02:00
xfrm4_tunnel.c
xfrm: tunnel: add extack to ipip_init_state, xfrm6_tunnel_init_state
2022-09-29 07:18:00 +02:00