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linux-stable/net/ipv4
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Paul Davey 179db49d7e xfrm: Preserve vlan tags for transport mode software GRO 
[ Upstream commit 58fbfecab9 ]

The software GRO path for esp transport mode uses skb_mac_header_rebuild
prior to re-injecting the packet via the xfrm_napi_dev.  This only
copies skb->mac_len bytes of header which may not be sufficient if the
packet contains 802.1Q tags or other VLAN tags.  Worse copying only the
initial header will leave a packet marked as being VLAN tagged but
without the corresponding tag leading to mangling when it is later
untagged.

The VLAN tags are important when receiving the decrypted esp transport
mode packet after GRO processing to ensure it is received on the correct
interface.

Therefore record the full mac header length in xfrm*_transport_input for
later use in corresponding xfrm*_transport_finish to copy the entire mac
header when rebuilding the mac header for GRO.  The skb->data pointer is
left pointing skb->mac_header bytes after the start of the mac header as
is expected by the network stack and network and transport header
offsets reset to this location.

Fixes: 7785bba299 ("esp: Add a software GRO codepath")
Signed-off-by: Paul Davey <paul.davey@alliedtelesis.co.nz>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-05-17 11:56:10 +02:00
..
bpfilter
netfilter netfilter: complete validation of user input 2024-04-17 11:18:25 +02:00
af_inet.c inet: read sk->sk_family once in inet_recv_error() 2024-02-16 19:06:27 +01:00
ah4.c xfrm: ah: add extack to ah_init_state, ah6_init_state 2022-09-29 07:17:59 +02:00
arp.c arp: Prevent overflow in arp_req_get(). 2024-03-01 13:26:39 +01:00
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 ipv4: properly combine dev_base_seq and ipv4.dev_addr_genid 2024-03-01 13:26:36 +01:00
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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-02-17 11:44:20 -08:00
fib_notifier.c
fib_rules.c ipv4: remove unnecessary type castings 2022-04-30 15:12:58 +01:00
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: prevent possible NULL dereferences from icmp_build_probe() 2024-05-02 16:29:23 +02:00
igmp.c ipv4: igmp: fix refcnt uaf issue when receiving igmp query packet 2023-12-08 08:51:17 +01:00
inet_connection_sock.c tcp: Fix bind() regression for v6-only wildcard and v4(-mapped-v6) non-wildcard addresses. 2024-04-10 16:28:29 +02:00
inet_diag.c inet_diag: annotate data-races around inet_diag_table[] 2024-03-26 18:20:31 -04:00
inet_fragment.c inet: inet_defrag: prevent sk release while still in use 2024-04-10 16:28:23 +02:00
inet_hashtables.c tcp: Fix refcnt handling in __inet_hash_connect(). 2024-03-26 18:20:59 -04:00
inet_timewait_sock.c tcp: Fix NEW_SYN_RECV handling in inet_twsk_purge() 2024-03-26 18:20:58 -04:00
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 inet: inet_defrag: prevent sk release while still in use 2024-04-10 16:28:23 +02:00
ip_gre.c erspan: make sure erspan_base_hdr is present in skb->head 2024-04-10 16:28:27 +02:00
ip_input.c ipv4: ignore dst hint for multipath routes 2023-09-19 12:28:01 +02:00
ip_options.c ipv4: drop fragmentation code from ip_options_build() 2022-01-29 17:53:07 +00:00
ip_output.c net: ipv4: fix a memleak in ip_setup_cork 2024-02-05 20:13:02 +00:00
ip_sockglue.c ipmr: fix kernel panic when forwarding mcast packets 2024-02-05 20:13:00 +00:00
ip_tunnel.c net: ip_tunnel: make sure to pull inner header in ip_tunnel_rcv() 2024-03-26 18:20:41 -04:00
ip_tunnel_core.c tunnels: fix out of bounds access when building IPv6 PMTU error 2024-02-16 19:06:26 +01:00
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 ipmr: fix incorrect parameter validation in the ip_mroute_getsockopt() function 2024-03-26 18:20:42 -04:00
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 netfilter: Use l3mdev flow key when re-routing mangled packets 2022-05-16 13:03:29 +02:00
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 ipv4: raw: Fix sending packets from raw sockets via IPsec tunnels 2024-03-26 18:21:00 -04:00
raw_diag.c raw: Fix NULL deref in raw_get_next(). 2023-04-13 16:55:23 +02:00
route.c ipv4: check for NULL idev in ip_route_use_hint() 2024-05-02 16:29:24 +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: properly terminate timers for kernel sockets 2024-04-10 16:28:21 +02:00
tcp_bbr.c bpf: Switch to new kfunc flags infrastructure 2022-07-21 20:59:42 -07:00
tcp_bic.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
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: Add tracepoint for tcp_set_ca_state 2022-04-07 20:33:15 -07:00
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: 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: do not accept ACK of bytes we never sent 2023-12-13 18:39:11 +01:00
tcp_ipv4.c ipv4, ipv6: Use splice_eof() to flush 2024-01-10 17:10:27 +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 tcp_metrics: do not create an entry from tcp_init_metrics() 2023-11-20 11:51:53 +01:00
tcp_minisocks.c rds: tcp: Fix use-after-free of net in reqsk_timer_handler(). 2024-03-26 18:20:58 -04:00
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 11:15:20 +02:00
tcp_output.c net: Remove acked SYN flag from packet in the transmit queue correctly 2023-12-20 17:00:18 +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 excessive TLP and RACK timeouts from HZ rounding 2023-10-25 12:03:06 +02:00
tcp_scalable.c tcp: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
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: add accessors to read/set tp->snd_cwnd 2022-04-06 12:05:41 -07:00
tcp_vegas.h
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
tunnel4.c
udp.c udp: preserve the connected status if only UDP cmsg 2024-05-02 16:29:30 +02:00
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 net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
udp_offload.c net: gro: add flush check in udp_gro_receive_segment 2024-05-17 11:56:02 +02:00
udp_tunnel_core.c udp: lockless UDP_ENCAP_L2TPINUDP / UDP_GRO 2024-01-10 17:10:28 +01:00
udp_tunnel_nic.c udp_tunnel: Fix end of loop test in udp_tunnel_nic_unregister() 2022-02-23 12:35:00 +00:00
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: Preserve vlan tags for transport mode software GRO 2024-05-17 11:56:10 +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