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Filename Latest commit message Latest commit date
Stefano Brivio ced272d8da ip6_tunnel: Fix encapsulation layout 
[ Upstream commit d4d576f5ab7edcb757bb33e6a5600666a0b1232d ]

Commit 058214a4d1 ("ip6_tun: Add infrastructure for doing
encapsulation") added the ip6_tnl_encap() call in ip6_tnl_xmit(), before
the call to ipv6_push_frag_opts() to append the IPv6 Tunnel Encapsulation
Limit option (option 4, RFC 2473, par. 5.1) to the outer IPv6 header.

As long as the option didn't actually end up in generated packets, this
wasn't an issue. Then commit 89a23c8b528b ("ip6_tunnel: Fix missing tunnel
encapsulation limit option") fixed sending of this option, and the
resulting layout, e.g. for FoU, is:

.-------------------.------------.----------.-------------------.----- - -
| Outer IPv6 Header | UDP header | Option 4 | Inner IPv6 Header | Payload
'-------------------'------------'----------'-------------------'----- - -

Needless to say, FoU and GUE (at least) won't work over IPv6. The option
is appended by default, and I couldn't find a way to disable it with the
current iproute2.

Turn this into a more reasonable:

.-------------------.----------.------------.-------------------.----- - -
| Outer IPv6 Header | Option 4 | UDP header | Inner IPv6 Header | Payload
'-------------------'----------'------------'-------------------'----- - -

With this, and with 84dad55951b0 ("udp6: fix encap return code for
resubmitting"), FoU and GUE work again over IPv6.

Fixes: 058214a4d1 ("ip6_tun: Add infrastructure for doing encapsulation")
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-10 07:42:59 -08:00
..
6lowpan 6lowpan: iphc: reset mac_header after decompress to fix panic 2018-10-03 17:01:42 -07:00
9p net/9p: fix error path of p9_virtio_probe 2018-09-15 09:42:58 +02:00
802
8021q vlan: also check phy_driver ts_info for vlan's real device 2018-04-13 19:48:34 +02:00
appletalk appletalk: use IS_ENABLED() instead of checking for built-in or module 2016-09-10 21:19:10 -07:00
atm net: atm: Fix potential Spectre v1 2018-05-16 10:08:44 +02:00
ax25 ax25: Fix segfault after sock connection timeout 2017-02-04 09:47:09 +01:00
batman-adv batman-adv: fix hardif_neigh refcount on queue_work() failure 2018-10-20 09:51:30 +02:00
bluetooth Bluetooth: SMP: fix crash in unpairing 2018-11-10 07:42:42 -08:00
bridge net: bridge: remove ipv6 zero address check in mcast queries 2018-11-10 07:42:57 -08:00
caif net: caif: Add a missing rcu_read_unlock() in caif_flow_cb 2018-09-05 09:20:00 +02:00
can can: af_can: canfd_rcv(): replace WARN_ONCE by pr_warn_once 2018-01-31 12:55:50 +01:00
ceph libceph: validate con->state at the top of try_write() 2018-05-01 15:13:09 -07:00
core rtnetlink: Disallow FDB configuration for non-Ethernet device 2018-11-10 07:42:59 -08:00
dcb net: dcb: For wild-card lookups, use priority -1, not 0 2018-09-19 22:47:15 +02:00
dccp inet: make sure to grab rcu_read_lock before using ireq->ireq_opt 2018-10-18 09:13:23 +02:00
decnet dn_getsockoptdecnet: move nf_{get/set}sockopt outside sock lock 2018-02-25 11:05:44 +01:00
dns_resolver KEYS: DNS: fix parsing multiple options 2018-07-22 14:27:39 +02:00
dsa net: dsa: Do not suspend/resume closed slave_dev 2018-08-06 16:23:03 +02:00
ethernet net: introduce device min_header_len 2017-02-18 15:11:43 +01:00
hsr hsr: fix incorrect warning 2018-04-13 19:48:29 +02:00
ieee802154 inet: frags: fix ip6frag_low_thresh boundary 2018-10-18 09:13:25 +02:00
ipv4 net: drop skb on failure in ip_check_defrag() 2018-11-10 07:42:59 -08:00
ipv6 ip6_tunnel: Fix encapsulation layout 2018-11-10 07:42:59 -08:00
ipx ipx: call ipxitf_put() in ioctl error path 2017-05-25 15:44:41 +02:00
irda irda: Only insert new objects into the global database via setsockopt 2018-09-15 09:43:01 +02:00
iucv net/iucv: Free memory obtained by kzalloc 2018-03-31 18:11:34 +02:00
kcm kcm: Fix use-after-free caused by clonned sockets 2018-06-13 16:16:42 +02:00
key af_key: Always verify length of provided sadb_key 2018-06-16 09:52:32 +02:00
l2tp l2tp: remove configurable payload offset 2018-11-10 07:42:54 -08:00
l3mdev net: ipv6: Remove l3mdev_get_saddr6 2016-09-10 23:12:53 -07:00
lapb
llc llc: set SOCK_RCU_FREE in llc_sap_add_socket() 2018-11-10 07:42:57 -08:00
mac80211 mac80211: fix TX aggregation start/stop callback race 2018-11-10 07:42:47 -08:00
mac802154 net: mac802154: tx: expand tailroom if necessary 2018-09-09 20:01:19 +02:00
mpls mpls, nospec: Sanitize array index in mpls_label_ok() 2018-03-11 16:21:34 +01:00
ncsi net/ncsi: Improve HNCDSC AEN handler 2016-10-20 11:23:08 -04:00
netfilter netfilter: check for seqadj ext existence before adding it in nf_nat_setup_info 2018-10-20 09:51:32 +02:00
netlabel netlabel: check for IPV4MASK in addrinfo_get 2018-10-18 09:13:22 +02:00
netlink netlink: Don't shift on 64 for ngroups 2018-08-09 12:17:59 +02:00
netrom
nfc NFC: Fix possible memory corruption when handling SHDLC I-Frame commands 2018-09-29 03:07:30 -07:00
openvswitch openvswitch: Remove padding from packet before L3+ conntrack processing 2018-05-30 07:50:23 +02:00
packet packet: refine ring v3 block size test to hold one frame 2018-08-24 13:12:41 +02:00
phonet
qrtr net: qrtr: Broadcast messages only from control port 2018-08-24 13:12:36 +02:00
rds rds: ib: Fix missing call to rds_ib_dev_put in rds_ib_setup_qp 2018-11-10 07:42:50 -08:00
rfkill rfkill: gpio: fix memory leak in probe error path 2018-05-16 10:08:43 +02:00
rose
rxrpc rxrpc: Only take the rwind and mtu values from latest ACK 2018-11-10 07:42:56 -08:00
sched net: sched: gred: pass the right attribute to gred_change_table_def() 2018-11-10 07:42:58 -08:00
sctp sctp: fix race on sctp_id2asoc 2018-11-10 07:42:58 -08:00
strparser strparser: Fix incorrect strp->need_bytes value. 2018-04-29 11:32:02 +02:00
sunrpc sunrpc: Don't use stack buffer with scatterlist 2018-09-15 09:42:57 +02:00
switchdev switchdev: Execute bridge ndos only for bridge ports 2016-10-19 10:58:04 -04:00
tipc tipc: fix a race condition of releasing subscriber object 2018-11-10 07:42:46 -08:00
unix net/unix: don't show information about sockets from other namespaces 2017-11-18 11:22:22 +01:00
vmw_vsock vsock: split dwork to avoid reinitializations 2018-08-22 07:47:13 +02:00
wimax
wireless nl80211: Fix possible Spectre-v1 for NL80211_TXRATE_HT 2018-11-10 07:42:42 -08:00
x25 net: x25: fix one potential use-after-free issue 2018-04-13 19:48:00 +02:00
xfrm xfrm: validate template mode 2018-11-10 07:42:42 -08:00
compat.c net: support compat 64-bit time in {s,g}etsockopt 2018-05-19 10:26:58 +02:00
Kconfig strparser: Stream parser for messages 2016-08-17 19:36:23 -04:00
Makefile strparser: Stream parser for messages 2016-08-17 19:36:23 -04:00
socket.c net: socket: fix a missing-check bug 2018-11-10 07:42:58 -08:00
sysctl_net.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2016-10-06 09:52:23 -07:00