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linux/net/ipv6
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Mark Tomlinson b5e34120b0 gre6: Fix reception with IP6_TNL_F_RCV_DSCP_COPY 
[ Upstream commit 272502fcb7 ]

When receiving an IPv4 packet inside an IPv6 GRE packet, and the
IP6_TNL_F_RCV_DSCP_COPY flag is set on the tunnel, the IPv4 header would
get corrupted. This is due to the common ip6_tnl_rcv() function assuming
that the inner header is always IPv6. This patch checks the tunnel
protocol for IPv4 inner packets, but still defaults to IPv6.

Fixes: 308edfdf15 ("gre6: Cleanup GREv6 receive path, call common GRE functions")
Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-03 11:26:39 +02:00
..
ila
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
netfilter
netfilter: drop bridge nf reset from nf_reset
2019-10-01 18:42:15 +02:00
addrconf_core.c
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-18 16:08:42 +01:00
addrconf.c
ipv6: don't auto-add link-local address to lag ports
2020-04-13 10:48:02 +02:00
addrlabel.c
netlink: make validation more configurable for future strictness
2019-04-27 17:07:21 -04:00
af_inet6.c
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-18 16:08:42 +01:00
ah6.c
ipv6: Use ipv6_authlen for len
2019-07-11 14:43:25 -07:00
anycast.c
ipv6: fix memory leaks on IPV6_ADDRFORM path
2020-08-11 15:33:39 +02:00
calipso.c
netlabel: cope with NULL catmap
2020-05-20 08:20:08 +02:00
datagram.c
net: ipv6: add net argument to ip6_dst_lookup_flow
2019-12-18 16:08:40 +01:00
esp6_offload.c
esp6: get the right proto for transport mode in esp6_gso_encap
2020-06-03 08:21:35 +02:00
esp6.c
xfrm: remove get_mtu indirection from xfrm_type
2019-07-01 06:16:40 +02:00
exthdrs_core.c
ipv6: remove printk
2019-07-27 14:23:48 -07:00
exthdrs_offload.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
exthdrs.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
fib6_notifier.c
…
fib6_rules.c
ipv6: do not free rt if FIB_LOOKUP_NOREF is set on suppress rule
2019-09-26 09:34:25 +02:00
fou6.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
icmp.c
ip: Fix SO_MARK in RST, ACK and ICMP packets
2020-07-22 09:32:50 +02:00
inet6_connection_sock.c
net: add bool confirm_neigh parameter for dst_ops.update_pmtu
2020-01-04 19:18:58 +01:00
inet6_hashtables.c
net: annotate accesses to sk->sk_incoming_cpu
2019-10-30 13:24:25 -07:00
ip6_checksum.c
net: udp: fix handling of CHECKSUM_COMPLETE packets
2018-10-24 14:18:16 -07:00
ip6_fib.c
net: don't return invalid table id error when we fall back to PF_UNSPEC
2020-06-03 08:20:41 +02:00
ip6_flowlabel.c
ipv6: fix static key imbalance in fl_create()
2019-07-11 14:43:25 -07:00
ip6_gre.c
ip6_gre: fix null-ptr-deref in ip6gre_init_net()
2020-07-31 18:39:30 +02:00
ip6_icmp.c
…
ip6_input.c
ipv6: drop incoming packets having a v4mapped source address
2019-10-03 11:40:21 -04:00
ip6_offload.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ip6_offload.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ip6_output.c
net: ipv6: add net argument to ip6_dst_lookup_flow
2019-12-18 16:08:40 +01:00
ip6_tunnel.c
gre6: Fix reception with IP6_TNL_F_RCV_DSCP_COPY
2020-09-03 11:26:39 +02:00
ip6_udp_tunnel.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
ip6_vti.c
vti6: Fix memory leak of skb if input policy check fails
2020-04-01 11:02:12 +02:00
ip6mr.c
net: don't return invalid table id error when we fall back to PF_UNSPEC
2020-06-03 08:20:41 +02:00
ipcomp6.c
xfrm: remove type and offload_type map from xfrm_state_afinfo
2019-06-06 08:34:50 +02:00
ipv6_sockglue.c
ipv6: fix memory leaks on IPV6_ADDRFORM path
2020-08-11 15:33:39 +02:00
Kconfig
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
Makefile
xfrm: make xfrm modes builtin
2019-04-08 09:15:17 +02:00
mcast_snoop.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 343
2019-06-05 17:37:07 +02:00
mcast.c
mld: fix memory leak in ipv6_mc_destroy_dev()
2020-06-30 15:36:43 -04:00
mip6.c
xfrm: remove type and offload_type map from xfrm_state_afinfo
2019-06-06 08:34:50 +02:00
ndisc.c
net-ipv6-ndisc: add support for RFC7710 RA Captive Portal Identifier
2019-07-22 12:10:54 -07:00
netfilter.c
net: ensure correct skb->tstamp in various fragmenters
2019-10-18 10:02:37 -07:00
output_core.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
ping.c
ipv6: Fix the link time qualifier of 'ping_v6_proc_exit_net()'
2019-09-12 11:20:33 +01:00
proc.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-07 11:00:14 -07:00
protocol.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
raw.c
net: ipv6: add net argument to ip6_dst_lookup_flow
2019-12-18 16:08:40 +01:00
reassembly.c
inet: frags: re-introduce skb coalescing for local delivery
2019-08-08 15:55:10 -07:00
route.c
ipv6: Fix nexthop refcnt leak when creating ipv6 route info
2020-08-11 15:33:39 +02:00
seg6_hmac.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
seg6_iptunnel.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
seg6_local.c
ipv6: sr: remove SKB_GSO_IPXIP6 on End.D* actions
2020-01-29 16:45:20 +01:00
seg6.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sit.c
sit: do not confirm neighbor when do pmtu update
2020-01-04 19:19:04 +01:00
syncookies.c
net: ipv6: add net argument to ip6_dst_lookup_flow
2019-12-18 16:08:40 +01:00
sysctl_net_ipv6.c
proc/sysctl: add shared variables for range check
2019-07-18 17:08:07 -07:00
tcp_ipv6.c
net: ipv6: add net argument to ip6_dst_lookup_flow
2019-12-18 16:08:40 +01:00
tcpv6_offload.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tunnel6.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
udp_impl.h
udp6: add missing rehash callback to udplite
2019-01-17 15:01:08 -08:00
udp_offload.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
udp.c
udp: Improve load balancing for SO_REUSEPORT.
2020-07-31 18:39:31 +02:00
udplite.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
xfrm6_input.c
net: use skb_sec_path helper in more places
2018-12-19 11:21:37 -08:00
xfrm6_output.c
xfrm: Always set XFRM_TRANSFORMED in xfrm{4,6}_output_finish
2020-04-29 16:33:11 +02:00
xfrm6_policy.c
net: add bool confirm_neigh parameter for dst_ops.update_pmtu
2020-01-04 19:18:58 +01:00
xfrm6_protocol.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
xfrm6_state.c
xfrm: remove eth_proto value from xfrm_state_afinfo
2019-06-06 08:34:50 +02:00
xfrm6_tunnel.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00