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Eric Dumazet b07bf23646 ip6_tunnel: must reload ipv6h in ip6ip6_tnl_xmit() 
[ Upstream commit 21b995a9cb093fff33ec91d7cb3822b882a90a1e ]

Since ip6_tnl_parse_tlv_enc_lim() can call pskb_may_pull(),
we must reload any pointer that was related to skb->head
(or skb->data), or risk use after free.

Fixes: c12b395a4664 ("gre: Support GRE over IPv6")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Dmitry Kozlov <xeb@mail.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-05 14:40:23 +02:00
..
6lowpan
6lowpan: ndisc: no overreact if no short address is available
2016-09-19 20:19:34 +02:00
9p
p9_client_readdir() fix
2017-05-03 08:36:38 -07:00
802
…
8021q
net: 8021q: Fix one possible panic caused by BUG_ON in free_netdev
2017-07-05 14:40:16 +02:00
appletalk
appletalk: use IS_ENABLED() instead of checking for built-in or module
2016-09-10 21:19:10 -07:00
atm
lec: use IS_ENABLED() instead of checking for built-in or module
2016-09-10 21:19:10 -07:00
ax25
ax25: Fix segfault after sock connection timeout
2017-02-04 09:47:09 +01:00
batman-adv
batman-adv: Check for alloc errors when preparing TT local data
2016-12-02 10:46:59 +01:00
bluetooth
Bluetooth: Fix user channel for 32bit userspace on 64bit kernel
2017-05-20 14:28:41 +02:00
bridge
net: bridge: start hello timer only if device is up
2017-06-14 15:05:52 +02:00
caif
net: caif: Fix a sleep-in-atomic bug in cfpkt_create_pfx
2017-07-05 14:40:14 +02:00
can
can: Fix kernel panic at security_sock_rcv_skb
2017-02-18 15:11:40 +01:00
ceph
libceph: force GFP_NOIO for socket allocations
2017-04-08 09:30:30 +02:00
core
net: ethtool: Initialize buffer when querying device channel settings
2017-07-05 14:40:21 +02:00
dcb
net: dcb: set error code on failures
2016-12-03 23:54:25 -05:00
dccp
ipv6/dccp: do not inherit ipv6_mc_list from parent
2017-06-07 12:07:42 +02:00
decnet
decnet: always not take dst->__refcnt when inserting dst into hash table
2017-07-05 14:40:16 +02:00
dns_resolver
…
dsa
net: dsa: Check return value of phy_connect_direct()
2017-07-05 14:40:23 +02:00
ethernet
net: introduce device min_header_len
2017-02-18 15:11:43 +01:00
hsr
net/hsr: Remove unused but set variable
2016-10-18 10:28:18 -04:00
ieee802154
ieee802154: 6lowpan: fix intra pan id check
2016-07-08 13:23:12 +02:00
ipv4
igmp: add a missing spin_lock_init()
2017-07-05 14:40:15 +02:00
ipv6
ip6_tunnel: must reload ipv6h in ip6ip6_tnl_xmit()
2017-07-05 14:40:23 +02:00
ipx
ipx: call ipxitf_put() in ioctl error path
2017-05-25 15:44:41 +02:00
irda
irda: Fix lockdep annotations in hashbin_delete().
2017-02-26 11:10:51 +01:00
iucv
net/af_iucv: don't use paged skbs for TX on HiperSockets
2017-01-19 20:18:04 +01:00
kcm
kcm: return immediately after copy_from_user() failure
2017-05-03 08:36:34 -07:00
key
…
l2tp
l2tp: take a reference on sessions used in genetlink handlers
2017-07-05 14:40:19 +02:00
l3mdev
net: ipv6: Remove l3mdev_get_saddr6
2016-09-10 23:12:53 -07:00
lapb
net/lapb: tuse %*ph to dump buffers
2016-05-29 22:33:25 -07:00
llc
net/llc: avoid BUG_ON() in skb_orphan()
2017-02-26 11:10:50 +01:00
mac80211
mac80211: don't send SMPS action frame in AP mode when not needed
2017-06-24 07:11:14 +02:00
mac802154
mac802154: use rate limited warnings for malformed frames
2016-09-19 20:19:34 +02:00
mpls
mpls: Do not decrement alive counter for unregister events
2017-03-22 12:43:34 +01:00
ncsi
net/ncsi: Improve HNCDSC AEN handler
2016-10-20 11:23:08 -04:00
netfilter
netfilter: synproxy: fix conntrackd interaction
2017-07-05 14:40:16 +02:00
netlabel
netlabel: Implement CALIPSO config functions for SMACK.
2016-06-27 15:06:18 -04:00
netlink
netlink: Do not schedule work from sk_destruct
2016-12-05 19:43:42 -05:00
netrom
…
nfc
NFC: digital: Fix RTOX supervisor PDU handling
2016-07-11 02:02:03 +02:00
openvswitch
openvswitch: Add missing case OVS_TUNNEL_KEY_ATTR_PAD
2017-03-30 09:41:21 +02:00
packet
net/packet: fix missing net_device reference release
2017-06-07 12:07:43 +02:00
phonet
…
qrtr
Merge tag 'qcom-soc-for-4.7-2' into net-next
2016-05-17 14:11:19 -04:00
rds
RDS: TCP: unregister_netdevice_notifier() in error path of rds_tcp_init_net
2016-12-02 13:29:26 -05:00
rfkill
…
rose
rose: limit sk_filter trim to payload
2016-07-13 11:53:40 -07:00
rxrpc
rxrpc: Fix several cases where a padded len isn't checked in ticket decode
2017-06-29 13:00:31 +02:00
sched
act_connmark: avoid crashing on malformed nlattrs with null parms
2017-03-22 12:43:34 +01:00
sctp
sctp: return next obj by passing pos + 1 into sctp_transport_get_idx
2017-07-05 14:40:15 +02:00
strparser
strparser: destroy workqueue on module exit
2017-03-22 12:43:33 +01:00
sunrpc
svcauth_gss: Close connection when dropping an incoming message
2017-04-12 12:41:17 +02:00
switchdev
switchdev: Execute bridge ndos only for bridge ports
2016-10-19 10:58:04 -04:00
tipc
net: tipc: Fix a sleep-in-atomic bug in tipc_msg_reverse
2017-07-05 14:40:14 +02:00
unix
af_unix: Add sockaddr length checks before accessing sa_family in bind and connect handlers
2017-07-05 14:40:14 +02:00
vmw_vsock
vsock/virtio: fix src/dst cid format
2017-01-09 08:32:23 +01:00
wimax
…
wireless
mac80211: strictly check mesh address extension mode
2017-06-24 07:11:13 +02:00
x25
net: x25: remove null checks on arrays calling_ae and called_ae
2016-09-09 18:13:30 -07:00
xfrm
xfrm_user: validate XFRM_MSG_NEWAE incoming ESN size harder
2017-03-31 10:31:45 +02:00
compat.c
packet: compat support for sock_fprog
2016-06-09 23:41:03 -07:00
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 recvmmsg not returning error from sock_error
2017-02-26 11:10:51 +01:00
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