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ccf8dbcd062a930e64741c939ca784d15316aa0c
linux/include/net
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Kees Cook ccf8dbcd06 rtnetlink: Remove VLA usage 
In the quest to remove all stack VLA usage from the kernel[1], this
allocates the maximum size expected for all possible types and adds
sanity-checks at both registration and usage to make sure nothing gets
out of sync. This matches the proposed VLA solution for nfnetlink[2]. The
values chosen here were based on finding assignments for .maxtype and
.slave_maxtype and manually counting the enums:

slave_maxtype (max 33):
	IFLA_BRPORT_MAX     33
	IFLA_BOND_SLAVE_MAX  9

maxtype (max 45):
	IFLA_BOND_MAX       28
	IFLA_BR_MAX         45
	__IFLA_CAIF_HSI_MAX  8
	IFLA_CAIF_MAX        4
	IFLA_CAN_MAX        16
	IFLA_GENEVE_MAX     12
	IFLA_GRE_MAX        25
	IFLA_GTP_MAX         5
	IFLA_HSR_MAX         7
	IFLA_IPOIB_MAX       4
	IFLA_IPTUN_MAX      21
	IFLA_IPVLAN_MAX      3
	IFLA_MACSEC_MAX     15
	IFLA_MACVLAN_MAX     7
	IFLA_PPP_MAX         2
	__IFLA_RMNET_MAX     4
	IFLA_VLAN_MAX        6
	IFLA_VRF_MAX         2
	IFLA_VTI_MAX         7
	IFLA_VXLAN_MAX      28
	VETH_INFO_MAX        2
	VXCAN_INFO_MAX       2

This additionally changes maxtype and slave_maxtype fields to unsigned,
since they're only ever using positive values.

[1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com
[2] https://patchwork.kernel.org/patch/10439647/

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-31 22:48:46 -04:00
..
9p
9p: Implement show_options
2017-07-11 06:08:58 -04:00
bluetooth
Bluetooth: Add __hci_cmd_send function
2018-05-18 06:37:52 +02:00
caif
caif: reduce stack size with KASAN
2018-01-19 14:02:12 -05:00
iucv
net: annotate ->poll() instances
2017-11-27 16:20:04 -05:00
netfilter
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2018-05-23 16:37:11 -04:00
netns
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2018-05-23 16:37:11 -04:00
nfc
NFC: Add nfc_dbg() macro
2017-04-05 10:15:20 +02:00
phonet
net: phonet: mark phonet_protocol as const
2017-10-07 23:15:08 +01:00
sctp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-05-26 19:46:15 -04:00
tc_act
net/sched: act_csum: don't use spinlock in the fast path
2018-01-23 19:51:46 -05:00
6lowpan.h
6lowpan: Fix IID format for Bluetooth
2017-04-12 22:02:36 +02:00
act_api.h
net/sched: remove tcf_idr_cleanup()
2018-03-23 21:52:19 -04:00
addrconf.h
net/ipv6: Add support for specifying metric of connected routes
2018-05-29 10:12:45 -04:00
af_ieee802154.h
…
af_rxrpc.h
rxrpc, afs: Use debug_ids rather than pointers in traces
2018-03-27 23:03:00 +01:00
af_unix.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
af_vsock.h
VSOCK: use TCP state constants for sk_state
2017-10-05 18:44:17 -07:00
ah.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
arp.h
ipv4: Make neigh lookup keys for loopback/point-to-point devices be INADDR_ANY
2018-01-15 14:53:43 -05:00
atmclip.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ax25.h
net: Make ax25_ptr depend on CONFIG_AX25
2018-02-14 11:55:33 -05:00
ax88796.h
net-next: ax88796: add interrupt status callback to platform data
2018-04-19 16:11:11 -04:00
bond_3ad.h
…
bond_alb.h
…
bond_options.h
bonding: Prevent duplicate userspace notification
2017-05-27 18:51:41 -04:00
bonding.h
bonding: allow use of tx hashing in balance-alb
2018-05-16 12:15:11 -04:00
busy_poll.h
net: fix compilation when busy poll is not enabled
2017-08-11 14:59:24 -07:00
calipso.h
net, calipso: convert calipso_doi.refcount from atomic_t to refcount_t
2017-07-04 22:35:16 +01:00
cfg80211-wext.h
…
cfg80211.h
nl80211: Update ERP info using NL80211_CMD_UPDATE_CONNECT_PARAMS
2018-05-23 11:21:35 +02:00
cfg802154.h
ieee802154: add netns support
2016-07-08 12:20:57 +02:00
checksum.h
csum: eliminate sparse warning in remcsum_unadjust()
2017-01-20 12:12:13 -05:00
cipso_ipv4.h
net, ipv4: convert cipso_v4_doi.refcount from atomic_t to refcount_t
2017-07-04 01:29:04 -07:00
cls_cgroup.h
…
codel_impl.h
codel: split into multiple files
2016-04-25 16:44:27 -04:00
codel_qdisc.h
net_sched: fq_codel: cache skb->truesize into skb->cb
2016-06-25 12:19:35 -04:00
codel.h
codel: split into multiple files
2016-04-25 16:44:27 -04:00
compat.h
net: remove compat_sys_*() prototypes from net/compat.h
2018-04-02 20:16:17 +02:00
datalink.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dcbevent.h
…
dcbnl.h
net/dcb: Add dcbnl buffer attribute
2018-05-24 14:22:59 -07:00
devlink.h
devlink: introduce a helper to generate physical port names
2018-05-19 16:30:39 -04:00
dn_dev.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dn_fib.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dn_neigh.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dn_nsp.h
net/decnet: Convert timers to use timer_setup()
2017-10-18 12:39:36 +01:00
dn_route.h
decnet: Move dn_next into decnet route structure.
2017-11-30 09:54:25 -05:00
dn.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-11-04 09:26:51 +09:00
dsa.h
net: dsa: Plug in PHYLINK support
2018-05-11 12:03:06 -04:00
dsfield.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dst_cache.h
net: core: dst_cache_set_ip6: Rename 'addr' parameter to 'saddr' for consistency
2018-03-05 12:52:45 -05:00
dst_metadata.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-11-04 09:26:51 +09:00
dst_ops.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dst.h
net: core: dst: Add kernel-doc for 'net' parameter
2018-03-05 12:52:45 -05:00
erspan.h
erspan: set bso bit based on mirrored packet's len
2018-05-20 18:31:42 -04:00
esp.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ethoc.h
inet: whitespace cleanup
2018-02-28 11:43:28 -05:00
failover.h
net: Introduce generic failover module
2018-05-28 22:59:54 -04:00
fib_notifier.h
net: Add extack to fib_notifier_info
2017-11-01 11:50:43 +09:00
fib_rules.h
net: fib_rules: add extack support
2018-04-23 10:21:24 -04:00
firewire.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
flow_dissector.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-05-11 20:53:22 -04:00
flow.h
net: Remove unused get_hash_from_flow functions
2018-03-04 13:04:23 -05:00
fou.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fq_impl.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-10-30 21:09:24 +09:00
fq.h
fq: support filtering a given tin
2017-10-11 09:49:34 +02:00
garp.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
gen_stats.h
net: sched: add support for TCQ_F_NOLOCK subqueues to sch_mq
2017-12-08 13:32:26 -05:00
genetlink.h
genetlink: fix genlmsg_nlhdr()
2017-11-16 10:49:00 +09:00
geneve.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
gre.h
net: GRE: Add is_gretap_dev, is_ip6gretap_dev
2018-02-27 14:46:26 -05:00
gro_cells.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
gtp.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
gue.h
fou: fix some member types in guehdr
2017-12-11 14:10:06 -05:00
hwbm.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
icmp.h
net: snmp: kill STATS_BH macros
2016-04-27 22:48:25 -04:00
ieee80211_radiotap.h
mac80211: support reporting A-MPDU EOF bit value/known
2018-02-22 21:13:02 +01:00
ieee802154_netdev.h
…
if_inet6.h
net/ipv6: Add support for specifying metric of connected routes
2018-05-29 10:12:45 -04:00
ife.h
net: sched: ife: handle malformed tlv length
2018-04-22 21:12:00 -04:00
ila.h
…
inet6_connection_sock.h
inet: drop ->bind_conflict
2017-01-18 13:04:28 -05:00
inet6_hashtables.h
net: ipv6: add second dif to inet6 socket lookups
2017-08-07 11:39:22 -07:00
inet_common.h
net: Introduce __inet_bind() and __inet6_bind
2018-03-31 02:15:43 +02:00
inet_connection_sock.h
net: ipv4: remove define INET_CSK_DEBUG and unnecessary EXPORT_SYMBOL
2018-05-10 17:43:55 -04:00
inet_ecn.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-11-04 09:26:51 +09:00
inet_frag.h
inet: frags: reorganize struct netns_frags
2018-03-31 23:25:39 -04:00
inet_hashtables.h
inet: Add a 2nd listener hashtable (port+addr)
2017-12-03 10:18:28 -05:00
inet_sock.h
udp: generate gso with UDP_SEGMENT
2018-04-26 15:08:04 -04:00
inet_timewait_sock.h
tcp: Add mark for TIMEWAIT sockets
2018-05-10 17:44:52 -04:00
inetpeer.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ip6_checksum.h
…
ip6_fib.h
net/ipv6: Add helper to return path MTU based on fib result
2018-05-22 10:51:09 +02:00
ip6_route.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2018-05-24 22:20:51 -04:00
ip6_tunnel.h
ip6_gre: add erspan v2 support
2017-12-15 12:34:00 -05:00
ip_fib.h
net/ipv4: Add helper to return path MTU based on fib result
2018-05-22 10:51:09 +02:00
ip_tunnels.h
net/ipv4: Update ip_tunnel_metadata_cnt static key to modern api
2018-05-10 15:13:33 -04:00
ip_vs.h
netfilter: ipvs: Keep latest weight of destination
2018-04-09 10:10:55 +03:00
ip.h
ipv4: support sport, dport and ip_proto in RTM_GETROUTE
2018-05-23 15:14:12 -04:00
ipcomp.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ipconfig.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ipv6.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2018-05-06 21:51:37 -04:00
ipx.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
iw_handler.h
net: Spelling s/stucture/structure/
2018-03-27 09:51:23 +02:00
kcm.h
kcm: Use stream parser
2016-08-17 19:36:23 -04:00
l3mdev.h
net: ipv4: Do not drop to make_route if oif is l3mdev
2016-10-13 12:05:26 -04:00
lapb.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
lib80211.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
llc_c_ac.h
net: LLC: Convert timers to use timer_setup()
2017-10-25 12:06:25 +09:00
llc_c_ev.h
…
llc_c_st.h
…
llc_conn.h
llc: delete timers synchronously in llc_sk_free()
2018-04-22 14:55:03 -04:00
llc_if.h
…
llc_pdu.h
…
llc_s_ac.h
…
llc_s_ev.h
…
llc_s_st.h
…
llc_sap.h
…
llc.h
net, llc: convert llc_sap.refcnt from atomic_t to refcount_t
2017-07-04 22:35:15 +01:00
lwtunnel.h
net: Move ipv4 set_lwt_redirect helper to lwtunnel
2018-02-14 14:43:32 -05:00
mac80211.h
mac80211: Support adding duration for prepare_tx() callback
2018-05-23 11:06:10 +02:00
mac802154.h
ieee802154: cleanup WARN_ON for fc fetch
2016-07-08 13:23:12 +02:00
mip6.h
…
mld.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mpls_iptunnel.h
net: mpls: Increase max number of labels for lwt encap
2017-04-01 20:21:44 -07:00
mpls.h
openvswitch: use mpls_hdr
2016-10-03 02:00:22 -04:00
mrp.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ncsi.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ndisc.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
neighbour.h
neighbour: support for NTF_EXT_LEARNED flag
2018-04-25 13:19:59 -04:00
net_failover.h
net: Introduce net_failover driver
2018-05-28 22:59:54 -04:00
net_namespace.h
net: Introduce net_rwsem to protect net_namespace_list
2018-03-29 13:47:53 -04:00
net_ratelimit.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
netevent.h
net/ipv6: Add support for path selection using hash of 5-tuple
2018-03-04 13:04:23 -05:00
netlabel.h
net: convert netlbl_lsm_cache.refcount from atomic_t to refcount_t
2017-07-01 07:39:09 -07:00
netlink.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
netprio_cgroup.h
…
netrom.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nexthop.h
net: fix rtnh_ok()
2018-04-07 22:32:31 -04:00
nl802154.h
ieee802154: add netns support
2016-07-08 12:20:57 +02:00
nsh.h
openvswitch: enable NSH support
2017-11-08 16:12:33 +09:00
p8022.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
page_pool.h
xdp: introduce xdp_return_frame_rx_napi
2018-05-24 18:36:15 -07:00
ping.h
…
pkt_cls.h
net: sched: mq: request stats from offloads
2018-05-29 09:49:16 -04:00
pkt_sched.h
net: remove prototype of qdisc_lookup_class()
2018-01-16 14:56:54 -05:00
pptp.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
protocol.h
IPv4: early demux can return an error code
2017-10-01 03:55:47 +01:00
psample.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
psnap.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
raw.h
net: ipv4: add second dif to raw socket lookups
2017-08-07 11:39:21 -07:00
rawv6.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
red.h
net_sched: red: Avoid illegal values
2017-12-05 14:37:13 -05:00
regulatory.h
cfg80211: read wmm rules from regulatory database
2018-03-29 11:11:40 +02:00
request_sock.h
tcp: socket option to set TCP fast open key
2017-10-20 13:21:36 +01:00
rose.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
route.h
net/ipv4: Add support for specifying metric of connected routes
2018-05-29 10:12:45 -04:00
rsi_91x.h
Bluetooth: btrsi: add new rsi bluetooth driver
2018-03-13 18:37:02 +02:00
rtnetlink.h
rtnetlink: Remove VLA usage
2018-05-31 22:48:46 -04:00
sch_generic.h
net: sched: add qstats.qlen to qlen
2018-05-29 09:49:15 -04:00
scm.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
secure_seq.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
seg6_hmac.h
ipv6: sr: add core files for SR HMAC support
2016-11-09 20:40:06 -05:00
seg6_local.h
bpf: Add IPv6 Segment Routing helpers
2018-05-24 11:57:35 +02:00
seg6.h
ipv6: sr: export function lookup_nexthop
2018-05-24 11:57:35 +02:00
slhc_vj.h
slip: Check if rstate is initialized before uncompressing
2018-04-11 10:33:46 -04:00
smc.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
snmp.h
net: snmp: fix 64bit stats on 32bit arches
2016-04-28 11:49:45 -04:00
sock_reuseport.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sock.h
net/sock: Update memalloc_socks static key to modern api
2018-05-10 15:13:34 -04:00
Space.h
net/mac89x0: Convert to platform_driver
2018-03-01 21:21:36 -05:00
stp.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
strparser.h
strparser: Use delayed work instead of timer for msg timeout
2017-10-25 10:37:11 +09:00
switchdev.h
switchdev: Add fdb.added_by_user to switchdev notifications
2018-05-03 13:46:47 -04:00
tcp_states.h
tcp: remove the hardcode in the definition of TCPF Macro
2018-02-21 15:06:05 -05:00
tcp.h
tcp: minor optimization around tcp_hdr() usage in receive path
2018-05-31 13:20:47 -04:00
timewait_sock.h
…
tipc.h
flow_dissector: do not rely on implicit casts
2018-05-08 00:02:41 -04:00
tls.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-05-21 16:01:54 -04:00
transp_v6.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tso.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tun_proto.h
vxlan: factor out VXLAN-GPE next protocol
2017-08-29 15:16:52 -07:00
udp_tunnel.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
udp.h
udp: Do not pass checksum as a parameter to GSO segmentation
2018-05-08 22:30:06 -04:00
udplite.h
udplite: fix partial checksum initialization
2018-02-16 15:57:42 -05:00
vsock_addr.h
…
vxlan.h
vxlan: add ttl inherit support
2018-04-17 13:53:13 -04:00
wext.h
lift handling of SIOCIW... out of dev_ioctl()
2018-01-24 19:13:45 -05:00
wimax.h
…
x25.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
x25device.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xdp_sock.h
xsk: clean up SPDX headers
2018-05-18 16:07:02 +02:00
xdp.h
xdp: introduce xdp_return_frame_rx_napi
2018-05-24 18:36:15 -07:00
xfrm.h
xfrm: Fix warning in xfrm6_tunnel_net_exit.
2018-04-16 07:50:09 +02:00