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Daniel Axtens 785644d673 net: create skb_gso_validate_mac_len() 
commit 2b16f04872 upstream

If you take a GSO skb, and split it into packets, will the MAC
length (L2 + L3 + L4 headers + payload) of those packets be small
enough to fit within a given length?

Move skb_gso_mac_seglen() to skbuff.h with other related functions
like skb_gso_network_seglen() so we can use it, and then create
skb_gso_validate_mac_len to do the full calculation.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
[jwang: cherry pick for CVE-2018-1000026]
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-02-20 10:20:48 +01:00
..
6lowpan
6lowpan: iphc: reset mac_header after decompress to fix panic
2018-10-03 17:00:47 -07:00
9p
9p/net: put a lower bound on msize
2019-01-13 10:01:06 +01:00
802
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
8021q
net: fix use-after-free in GRO with ESP
2018-07-22 14:28:44 +02:00
appletalk
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
atm
atm: Preserve value of skb->truesize when accounting to vcc
2018-07-22 14:28:43 +02:00
ax25
ax25: fix a use-after-free in ax25_fillin_cb()
2019-01-09 17:14:43 +01:00
batman-adv
batman-adv: Force mac header to start of data on xmit
2019-02-15 08:09:13 +01:00
bluetooth
Bluetooth: Fix unnecessary error message for HCI request completion
2019-02-12 19:46:05 +01:00
bpf
bpf: Align packet data properly in program testing framework.
2017-05-02 11:46:28 -04:00
bridge
net: Fix usage of pskb_trim_rcsum
2019-01-31 08:13:41 +01:00
caif
net: caif: Add a missing rcu_read_unlock() in caif_flow_cb
2018-09-05 09:26:27 +02:00
can
can: bcm: check timer values before ktime conversion
2019-01-31 08:13:46 +01:00
ceph
libceph: avoid KEEPALIVE_PENDING races in ceph_con_keepalive()
2019-02-15 08:09:13 +01:00
core
net: create skb_gso_validate_mac_len()
2019-02-20 10:20:48 +01:00
dcb
net: dcb: For wild-card lookups, use priority -1, not 0
2018-09-19 22:43:43 +02:00
dccp
dccp: fool proof ccid_hc_[rt]x_parse_options()
2019-02-12 19:46:10 +01:00
decnet
dn_getsockoptdecnet: move nf_{get/set}sockopt outside sock lock
2018-02-25 11:07:52 +01:00
dns_resolver
KEYS: DNS: fix parsing multiple options
2018-07-22 14:28:49 +02:00
dsa
net: dsa: slave: Don't propagate flag changes on down slave interfaces
2019-02-12 19:46:11 +01:00
ethernet
networking: make skb_push & __skb_push return void pointers
2017-06-16 11:48:40 -04:00
hsr
net/hsr: Check skb_put_padto() return value
2017-08-22 13:40:23 -07:00
ieee802154
ieee802154: lowpan_header_create check must check daddr
2019-01-09 17:14:43 +01:00
ife
net: sched: ife: check on metadata length
2018-04-29 11:33:13 +02:00
ipv4
Fix "net: ipv4: do not handle duplicate fragments as overlapping"
2019-02-06 17:31:31 +01:00
ipv6
xfrm6_tunnel: Fix spi check in __xfrm6_tunnel_alloc_spi
2019-02-12 19:46:05 +01:00
ipx
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
iucv
net/iucv: Free memory obtained by kzalloc
2018-03-31 18:10:41 +02:00
kcm
kcm: Fix use-after-free caused by clonned sockets
2018-06-11 22:49:19 +02:00
key
af_key: Always verify length of provided sadb_key
2018-06-16 09:45:14 +02:00
l2tp
l2tp: fix reading optional fields of L2TPv3
2019-02-06 17:31:33 +01:00
l3mdev
…
lapb
net, lapb: convert lapb_cb.refcnt from atomic_t to refcount_t
2017-07-04 22:35:16 +01:00
llc
llc: do not use sk_eat_skb()
2018-12-01 09:42:51 +01:00
mac80211
mac80211: ensure that mgmt tx skbs have tailroom for encryption
2019-02-15 08:09:12 +01:00
mac802154
net: mac802154: tx: expand tailroom if necessary
2018-09-09 19:55:52 +02:00
mpls
mpls, nospec: Sanitize array index in mpls_label_ok()
2018-02-22 15:42:28 +01:00
ncsi
net/ncsi: Fix length of GVI response packet
2017-10-21 01:56:38 +01:00
netfilter
netfilter: nat: can't use dst_hold on noref dst
2019-01-13 10:00:58 +01:00
netlabel
netlabel: check for IPV4MASK in addrinfo_get
2018-10-18 09:16:18 +02:00
netlink
netlink: Don't shift on 64 for ngroups
2018-08-09 12:16:38 +02:00
netrom
netrom: switch to sock timer API
2019-02-06 17:31:32 +01:00
nfc
NFC: Fix possible memory corruption when handling SHDLC I-Frame commands
2018-09-29 03:06:01 -07:00
nsh
nsh: set mac len based on inner packet
2018-07-22 14:28:49 +02:00
openvswitch
openvswitch: Avoid OOB read when parsing flow nlattrs
2019-01-31 08:13:41 +01:00
packet
packet: Do not leak dev refcounts on error exit
2019-01-23 08:09:47 +01:00
phonet
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
psample
MAINTAINERS: Update Yotam's E-mail
2017-11-01 12:19:03 +09:00
qrtr
net: qrtr: Broadcast messages only from control port
2018-08-24 13:09:13 +02:00
rds
rds: fix refcount bug in rds_sock_addref
2019-02-12 19:46:10 +01:00
rfkill
rfkill: gpio: fix memory leak in probe error path
2018-05-16 10:10:26 +02:00
rose
net/rose: fix NULL ax25_cb kernel panic
2019-02-06 17:31:32 +01:00
rxrpc
rxrpc: bad unlock balance in rxrpc_recvmsg
2019-02-12 19:46:10 +01:00
sched
net: create skb_gso_validate_mac_len()
2019-02-20 10:20:48 +01:00
sctp
sctp: improve the events for sctp stream reset
2019-02-06 17:31:33 +01:00
smc
net/smc: fix TCP fallback socket release
2019-01-09 17:14:46 +01:00
strparser
strparser: Remove early eaten to fix full tcp receive buffer stall
2018-07-22 14:28:47 +02:00
sunrpc
sunrpc: handle ENOMEM in rpcb_getport_async
2019-01-23 08:09:50 +01:00
switchdev
net: switchdev: Remove bridge bypass support from switchdev
2017-08-07 14:48:48 -07:00
tipc
tipc: fix uninit-value in tipc_nl_compat_doit
2019-01-23 08:09:51 +01:00
tls
net/tls: Fixed return value when tls_complete_pending_work() fails
2018-12-05 19:41:11 +01:00
unix
Merge tag 'spdx_identifiers-4.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2017-11-02 10:04:46 -07:00
vmw_vsock
VSOCK: Send reset control packet when socket is partially bound
2019-01-09 17:14:45 +01:00
wimax
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
wireless
cfg80211: fix use-after-free in reg_process_hint()
2018-11-04 14:52:40 +01:00
x25
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xfrm
xfrm: refine validation of template and selector families
2019-02-15 08:09:13 +01:00
compat.c
sock: Make sock->sk_stamp thread-safe
2019-01-09 17:14:46 +01:00
Kconfig
net: Remove CONFIG_NETFILTER_DEBUG and _ASSERT() macros.
2017-09-04 13:25:20 +02:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
socket.c
net: socket: fix a missing-check bug
2018-11-04 14:52:49 +01:00
sysctl_net.c
sysctl: Remove dead register_sysctl_root
2017-04-16 23:42:49 -05:00