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Cong Wang 0e4940928c gre: refetch erspan header from skb->data after pskb_may_pull() 
After pskb_may_pull() we should always refetch the header
pointers from the skb->data in case it got reallocated.

In gre_parse_header(), the erspan header is still fetched
from the 'options' pointer which is fetched before
pskb_may_pull().

Found this during code review of a KMSAN bug report.

Fixes: cb73ee40b1b3 ("net: ip_gre: use erspan key field for tunnel lookup")
Cc: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Acked-by: William Tu <u9012063@gmail.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-07 11:53:27 -08:00
..
6lowpan
6lowpan: no need to check return value of debugfs_create functions
2019-07-06 12:50:01 +02:00
9p
9p pull request for inclusion in 5.4
2019-09-27 15:10:34 -07:00
802
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
8021q
net: remove unnecessary variables and callback
2019-10-24 14:53:49 -07:00
appletalk
appletalk: enforce CAP_NET_RAW for raw sockets
2019-09-24 16:37:18 +02:00
atm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-22 16:27:24 -08:00
ax25
net: use helpers to change sk_ack_backlog
2019-11-06 16:14:48 -08:00
batman-adv
batman-adv: Drop lockdep.h include for soft-interface.c
2019-11-03 08:30:58 +01:00
bluetooth
compat_ioctl: remove most of fs/compat_ioctl.c
2019-12-01 13:46:15 -08:00
bpf
bpf: Fix memory leak on object 'data'
2019-11-18 19:32:59 -08:00
bpfilter
Kbuild updates for v5.3
2019-07-12 16:03:16 -07:00
bridge
net: bridge: deny dev_set_mac_address() when unregistering
2019-12-03 11:21:20 -08:00
caif
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
can
can: j1939: warn if resources are still linked on destroy
2019-11-13 10:42:34 +01:00
ceph
libceph: use ceph_kvmalloc() for osdmap arrays
2019-09-16 12:06:25 +02:00
core
net: core: rename indirect block ingress cb function
2019-12-06 20:45:09 -08:00
dcb
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
dccp
net: ipv6: add net argument to ip6_dst_lookup_flow
2019-12-04 12:27:12 -08:00
decnet
net: use helpers to change sk_ack_backlog
2019-11-06 16:14:48 -08:00
dns_resolver
Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs"
2019-07-10 18:43:43 -07:00
dsa
net: phylink: rename mac_link_state() op to mac_pcs_get_state()
2019-11-23 16:13:39 -08:00
ethernet
net: add annotations on hh->hh_len lockless accesses
2019-11-07 20:07:30 -08:00
hsr
hsr: fix a NULL pointer dereference in hsr_dev_xmit()
2019-12-05 12:09:02 -08:00
ieee802154
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-02 13:54:56 -07:00
ife
net: Fix Kconfig indentation
2019-09-26 08:56:17 +02:00
ipv4
gre: refetch erspan header from skb->data after pskb_may_pull()
2019-12-07 11:53:27 -08:00
ipv6
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-04 12:27:13 -08:00
iucv
net/af_iucv: mark expected switch fall-throughs
2019-07-29 10:26:14 -07:00
kcm
kcm: disable preemption in kcm_parse_func_strparser()
2019-09-27 10:27:14 +02:00
key
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-07-08 19:48:57 -07:00
l2tp
net: ipv6: add net argument to ip6_dst_lookup_flow
2019-12-04 12:27:12 -08:00
l3mdev
ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF
2019-06-23 13:24:17 -07:00
lapb
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-17 20:20:36 -07:00
llc
net: silence data-races on sk_backlog.tail
2019-11-06 21:35:34 -08:00
mac80211
Driver core patches for 5.5-rc1
2019-11-27 11:06:20 -08:00
mac802154
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
mpls
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-04 12:27:13 -08:00
ncsi
net/ncsi: Disable global multicast filter
2019-09-19 18:04:40 -07:00
netfilter
net: core: rename indirect block ingress cb function
2019-12-06 20:45:09 -08:00
netlabel
netlabel: remove redundant assignment to pointer iter
2019-09-01 11:45:02 -07:00
netlink
genetlink: do not parse attributes for families with zero maxattr
2019-10-13 11:20:03 -07:00
netrom
net: core: add generic lockdep keys
2019-10-24 14:53:48 -07:00
nfc
NFC: NCI: use new delay structure for SPI transfer delays
2019-12-04 17:00:58 -08:00
nsh
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
openvswitch
net: Fixed updating of ethertype in skb_mpls_push()
2019-12-04 17:11:25 -08:00
packet
packet: fix data-race in fanout_flow_is_huge()
2019-11-08 14:06:19 -08:00
phonet
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
psample
net: psample: fix skb_over_panic
2019-11-26 14:40:13 -08:00
qrtr
net: qrtr: Simplify 'qrtr_tun_release()'
2019-10-30 17:58:23 -07:00
rds
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-16 21:51:42 -08:00
rfkill
compat_ioctl: remove most of fs/compat_ioctl.c
2019-12-01 13:46:15 -08:00
rose
net: use helpers to change sk_ack_backlog
2019-11-06 16:14:48 -08:00
rxrpc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2019-11-25 20:02:57 -08:00
sched
net: sched: allow indirect blocks to bind to clsact in TC
2019-12-06 20:45:09 -08:00
sctp
net: ipv6: add net argument to ip6_dst_lookup_flow
2019-12-04 12:27:12 -08:00
smc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-11-16 21:51:42 -08:00
strparser
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-22 08:59:24 -04:00
sunrpc
SUNRPC: Destroy the back channel when we destroy the host transport
2019-10-30 12:04:35 -04:00
switchdev
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tipc
tipc: fix ordering of tipc module init and exit routine
2019-12-06 12:01:09 -08:00
tls
net/tls: Fix return values to avoid ENOTSUPP
2019-12-06 20:15:39 -08:00
unix
compat_ioctl: remove most of fs/compat_ioctl.c
2019-12-01 13:46:15 -08:00
vmw_vsock
- Support for new VMBus protocols (Andrea Parri).
2019-11-30 14:50:51 -08:00
wimax
wimax: no need to check return value of debugfs_create functions
2019-08-10 15:25:47 -07:00
wireless
Some relatively small changes:
2019-11-08 11:36:48 -08:00
x25
net: use helpers to change sk_ack_backlog
2019-11-06 16:14:48 -08:00
xdp
xsk: Fix xsk_poll()'s return type
2019-11-24 16:58:44 -08:00
xfrm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2019-11-25 20:02:57 -08:00
compat.c
y2038: socket: use __kernel_old_timespec instead of timespec
2019-11-15 14:38:29 +01:00
Kconfig
net: Fix Kconfig indentation, continued
2019-11-21 12:00:21 -08:00
Makefile
…
socket.c
net: avoid an indirect call in ____sys_recvmsg()
2019-12-06 12:06:44 -08:00
sysctl_net.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00