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linux-stable/net/ipv6
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Paul Davey 4a9771c0fb 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 12:02:20 +02:00
..
ila ila: Remove unnecessary file net/ila.h 2023-08-02 12:28:16 -07:00
netfilter netfilter: complete validation of user input 2024-04-17 11:19:30 +02:00
addrconf.c ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr 2024-04-17 11:19:29 +02:00
addrconf_core.c ipv6: Ensure natural alignment of const ipv6 loopback and router addresses 2024-02-05 20:14:36 +00:00
addrlabel.c ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network 2022-11-07 12:26:15 +00:00
af_inet6.c bpf: Derive source IP addr via bpf_*_fib_lookup() 2024-03-01 13:35:04 +01:00
ah6.c net: ipv6: Remove completion function scaffolding 2023-02-13 18:35:15 +08:00
anycast.c IPv6: add extack info for IPv6 address add/delete 2023-07-28 11:01:56 +01:00
calipso.c
datagram.c inet: introduce inet->inet_flags 2023-08-16 11:09:16 +01:00
esp6.c net: esp: fix bad handling of pages from page_pool 2024-04-03 15:28:35 +02:00
esp6_offload.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-06-22 18:40:38 -07:00
exthdrs.c Fix write to cloned skb in ipv6_hop_ioam() 2024-03-01 13:35:10 +01:00
exthdrs_core.c ipv6: Fix out-of-bounds access in ipv6_find_tlv() 2023-05-24 08:43:39 +01:00
exthdrs_offload.c
fib6_notifier.c
fib6_rules.c ipv6: fib6_rules: flush route cache when rule is changed 2024-03-26 18:19:39 -04:00
fou6.c
icmp.c sysctl-6.6-rc1 2023-08-29 17:39:15 -07:00
inet6_connection_sock.c net: annotate lockless accesses to sk->sk_err_soft 2023-03-17 08:25:05 +00:00
inet6_hashtables.c net: remove duplicate INDIRECT_CALLABLE_DECLARE of udp[6]_ehashfn 2023-07-31 13:53:10 -07:00
ioam6.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
ioam6_iptunnel.c
ip6_checksum.c
ip6_fib.c ipv6: fib: hide unused 'pn' variable 2024-04-17 11:19:29 +02:00
ip6_flowlabel.c ipv6: flowlabel: do not disable BH where not needed 2023-03-21 21:32:18 -07:00
ip6_gre.c net: add netdev_lockdep_set_classes() to virtual drivers 2024-04-13 13:07:30 +02:00
ip6_icmp.c
ip6_input.c ipv6: ignore dst hint for multipath routes 2023-09-01 08:11:51 +01:00
ip6_offload.c net: gro: fix udp bad offset in socket lookup by adding {inner_}network_offset to napi_gro_cb 2024-05-17 12:02:07 +02:00
ip6_offload.h
ip6_output.c net: fix IPSTATS_MIB_OUTPKGS increment in OutForwDatagrams. 2024-04-03 15:28:39 +02:00
ip6_tunnel.c net: add netdev_lockdep_set_classes() to virtual drivers 2024-04-13 13:07:30 +02:00
ip6_udp_tunnel.c
ip6_vti.c net: add netdev_lockdep_set_classes() to virtual drivers 2024-04-13 13:07:30 +02:00
ip6mr.c net: ipv4, ipv6: fix IPSTATS_MIB_OUTOCTETS increment duplicated 2023-08-30 09:44:09 +01:00
ipcomp6.c xfrm: ipcomp: add extack to ipcomp{4,6}_init_state 2022-09-29 07:18:00 +02:00
ipv6_sockglue.c net: selectively purge error queue in IP_RECVERR / IPV6_RECVERR 2023-08-20 15:17:47 +01:00
Kconfig ipv6: fix indentation of a config attribute 2023-08-16 10:03:08 +01:00
Makefile
mcast.c net: fix IPSTATS_MIB_OUTPKGS increment in OutForwDatagrams. 2024-04-03 15:28:39 +02:00
mcast_snoop.c
mip6.c xfrm: mip6: add extack to mip6_destopt_init_state, mip6_rthdr_init_state 2022-09-29 07:18:01 +02:00
ndisc.c net: fix IPSTATS_MIB_OUTPKGS increment in OutForwDatagrams. 2024-04-03 15:28:39 +02:00
netfilter.c
output_core.c treewide: use get_random_u32_{above,below}() instead of manual loop 2022-11-18 02:15:22 +01:00
ping.c bpf: Propagate modified uaddrlen from cgroup sockaddr programs 2024-01-31 16:19:04 -08:00
proc.c net: fix IPSTATS_MIB_OUTPKGS increment in OutForwDatagrams. 2024-04-03 15:28:39 +02:00
protocol.c
raw.c net: fix IPSTATS_MIB_OUTPKGS increment in OutForwDatagrams. 2024-04-03 15:28:39 +02:00
reassembly.c networking: Update to register_net_sysctl_sz 2023-08-15 15:26:18 -07:00
route.c net/ipv6: avoid possible UAF in ip6_route_mpath_notify() 2024-03-15 10:48:17 -04:00
rpl.c ipv6: rpl: Remove pskb(_may)?_pull() in ipv6_rpl_srh_rcv(). 2023-06-19 11:32:58 -07:00
rpl_iptunnel.c ipv6: rpl: Remove redundant skb_dst_drop(). 2023-07-12 17:12:29 -07:00
seg6.c ipv6: sr: fix possible use-after-free and null-ptr-deref 2024-03-01 13:35:07 +01:00
seg6_hmac.c
seg6_iptunnel.c seg6: Cleanup duplicates of skb_dst_drop calls 2023-05-17 09:05:47 +01:00
seg6_local.c seg6: add NEXT-C-SID support for SRv6 End.X behavior 2023-08-15 18:51:47 -07:00
sit.c net: add netdev_lockdep_set_classes() to virtual drivers 2024-04-13 13:07:30 +02:00
syncookies.c dccp/tcp: Call security_inet_conn_request() after setting IPv6 addresses. 2023-11-20 11:59:35 +01:00
sysctl_net_ipv6.c networking: Update to register_net_sysctl_sz 2023-08-15 15:26:18 -07:00
tcp_ipv6.c bpf: Propagate modified uaddrlen from cgroup sockaddr programs 2024-01-31 16:19:04 -08:00
tcpv6_offload.c net: Make gro complete function to return void 2023-05-31 09:50:17 +01:00
tunnel6.c
udp.c net: gro: fix udp bad offset in socket lookup by adding {inner_}network_offset to napi_gro_cb 2024-05-17 12:02:07 +02:00
udp_impl.h tcp/udp: Call inet6_destroy_sock() in IPv6 sk->sk_destruct(). 2022-10-12 17:50:37 -07:00
udp_offload.c net: gro: fix udp bad offset in socket lookup by adding {inner_}network_offset to napi_gro_cb 2024-05-17 12:02:07 +02:00
udplite.c udplite: remove UDPLITE_BIT 2023-11-20 11:58:56 +01:00
xfrm6_input.c xfrm: Preserve vlan tags for transport mode software GRO 2024-05-17 12:02:20 +02:00
xfrm6_output.c
xfrm6_policy.c ipsec-2023-10-17 2023-10-17 18:21:13 -07:00
xfrm6_protocol.c
xfrm6_state.c
xfrm6_tunnel.c xfrm: tunnel: add extack to ipip_init_state, xfrm6_tunnel_init_state 2022-09-29 07:18:00 +02:00