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linux/include/net
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Saeed Mirzamohammadi 6e1f770fbc netfilter: nftables_offload: KASAN slab-out-of-bounds Read in nft_flow_rule_create 
commit 31cc578ae2 upstream.

This patch fixes the issue due to:

BUG: KASAN: slab-out-of-bounds in nft_flow_rule_create+0x622/0x6a2
net/netfilter/nf_tables_offload.c:40
Read of size 8 at addr ffff888103910b58 by task syz-executor227/16244

The error happens when expr->ops is accessed early on before performing the boundary check and after nft_expr_next() moves the expr to go out-of-bounds.

This patch checks the boundary condition before expr->ops that fixes the slab-out-of-bounds Read issue.

Add nft_expr_more() and use it to fix this problem.

Signed-off-by: Saeed Mirzamohammadi <saeed.mirzamohammadi@oracle.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-01 12:45:34 +01:00
..
9p
net/9p: remove unused p9_req_t aux field
2020-03-27 09:29:57 +00:00
bluetooth
Bluetooth: Disconnect if E0 is used for Level 4
2020-10-17 08:56:29 +02:00
caif
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
2019-05-30 11:29:22 -07:00
iucv
net/af_iucv: clean up function prototypes
2020-05-19 12:50:14 -07:00
netfilter
netfilter: nftables_offload: KASAN slab-out-of-bounds Read in nft_flow_rule_create
2020-11-01 12:45:34 +01:00
netns
bpf, netns: Keep a list of attached bpf_link's
2020-06-30 10:45:08 -07:00
nfc
NFC: Replace zero-length array with flexible-array member
2020-02-27 12:06:20 -08:00
phonet
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336
2019-06-05 17:37:07 +02:00
sctp
net: sctp: Fix IPv6 ancestor_size calc in sctp_copy_descendant
2020-09-26 18:05:24 +02:00
tc_act
net: sched: Fix suspicious RCU usage while accessing tcf_tunnel_info
2020-10-29 10:07:00 +01:00
6lowpan.h
6lowpan: Replace zero-length array with flexible-array member
2020-02-28 14:51:30 +01:00
act_api.h
net_sched: defer tcf_idr_insert() in tcf_action_init_1()
2020-10-14 11:56:00 +02:00
addrconf.h
ipv6: fix memory leaks on IPV6_ADDRFORM path
2020-07-30 16:30:55 -07:00
af_ieee802154.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
af_rxrpc.h
rxrpc: Make rxrpc_kernel_get_srtt() indicate validity
2020-09-09 19:14:14 +02:00
af_unix.h
unix: uses an atomic type for scm files accounting
2020-02-28 12:12:53 -08:00
af_vsock.h
vsock: add local transport support in the vsock core
2019-12-11 15:01:23 -08:00
ah.h
…
arp.h
net: avoid potential false sharing in neighbor related code
2019-11-06 16:14:48 -08:00
atmclip.h
…
ax25.h
ax25: fix possible use-after-free
2019-01-23 11:18:00 -08:00
ax88796.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
bareudp.h
net: Add netif_is_bareudp() API to identify bareudp devices
2020-05-22 16:46:16 -07:00
bond_3ad.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 90
2019-05-24 17:37:53 +02:00
bond_alb.h
bonding/alb: Add helper functions to get the xmit slave
2020-05-01 12:15:37 -07:00
bond_options.h
bonding: add an option to specify a delay between peer notifications
2019-07-04 12:30:48 -07:00
bonding.h
Merge branch 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux
2020-05-09 01:05:30 -07:00
bpf_sk_storage.h
bpf: INET_DIAG support in bpf_sk_storage
2020-02-27 18:50:19 -08:00
busy_poll.h
net: annotate lockless accesses to sk->sk_napi_id
2019-10-30 17:34:35 -07:00
calipso.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
cfg80211-wext.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
cfg80211.h
cfg80211: fix management registrations deadlock
2020-06-05 09:22:00 +02:00
cfg802154.h
cfg802154: Replace zero-length array with flexible-array member
2020-02-29 14:39:08 +01:00
checksum.h
default csum_and_copy_to_user(): don't bother with access_ok()
2020-05-29 16:11:50 -04:00
cipso_ipv4.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
cls_cgroup.h
bpf: Allow to retrieve cgroup v1 classid from v2 hooks
2020-03-27 19:40:38 -07:00
codel_impl.h
…
codel_qdisc.h
…
codel.h
…
compat.h
get rid of compat_mc_setsockopt()
2020-05-20 20:31:32 -04:00
datalink.h
…
dcbevent.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
dcbnl.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
devlink.h
mlxsw: spectrum: Use different trap group for externally routed packets
2020-07-29 12:16:21 -07:00
dn_dev.h
…
dn_fib.h
net: dn_fib: Replace zero-length array with flexible-array member
2020-02-29 21:52:20 -08:00
dn_neigh.h
…
dn_nsp.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 24
2019-05-21 11:52:39 +02:00
dn_route.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 24
2019-05-21 11:52:39 +02:00
dn.h
…
drop_monitor.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2020-03-31 17:29:33 -07:00
dsa.h
net: dsa: provide an option for drivers to always receive bridge VLANs
2020-05-12 13:08:07 -07:00
dsfield.h
ipv6: Annotate bitwise IPv6 dsfield pointer cast
2019-12-16 16:09:44 -08:00
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
…
dst_ops.h
net/dst: use a smaller percpu_counter batch for dst entries accounting
2020-05-08 21:33:33 -07:00
dst.h
net: Added pointer check for dst->ops->neigh_lookup in dst_neigh_lookup_skb
2020-07-07 15:33:28 -07:00
erspan.h
erspan: Add type I version 0 support.
2020-05-05 13:23:29 -07:00
esp.h
ESP: Export esp_output_fill_trailer function
2020-02-19 13:52:32 +01:00
espintcp.h
xfrm: espintcp: save and call old ->sk_destruct
2020-04-20 07:34:16 +02:00
ethoc.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
failover.h
net: Introduce generic failover module
2018-05-28 22:59:54 -04:00
fib_notifier.h
ipv6: Remove old route notifications and convert listeners
2019-12-24 22:37:30 -08:00
fib_rules.h
fib: add missing attribute validation for tun_id
2020-03-03 13:28:48 -08:00
firewire.h
…
flow_dissector.h
flow_dissector: Pull BPF program assignment up to bpf-netns
2020-06-30 10:45:07 -07:00
flow_offload.h
flow_offload: Move rhashtable inclusion to the source file
2020-07-24 15:17:22 -07:00
flow.h
ipv4: Initialize flowi4_multipath_hash in data path
2020-09-26 18:05:22 +02:00
fou.h
…
fq_impl.h
net/fq_impl: Switch to kvmalloc() for memory allocation
2019-11-08 09:11:49 +01:00
fq.h
net/flow_dissector: switch to siphash
2019-10-23 20:13:22 -07:00
garp.h
treewide: Use sizeof_field() macro
2019-12-09 10:36:44 -08:00
gen_stats.h
net_sched: extend packet counter to 64bit
2019-11-05 18:20:55 -08:00
genetlink.h
genetlink: remove genl_bind
2020-07-01 15:49:11 -07:00
geneve.h
net: Move the definition of the default Geneve udp port to public header file
2019-03-22 12:09:31 -07:00
gre.h
net: Add netif_is_gretap()/netif_is_ip6gretap()
2018-12-10 15:53:04 -08:00
gro_cells.h
…
gtp.h
…
gue.h
GUE: Fix a typo
2020-06-22 21:12:44 -07:00
hwbm.h
net: hwbm: if CONFIG_NET_HWBM unset, make stub functions static
2019-10-25 16:24:32 -07:00
icmp.h
icmp: introduce helper for nat'd source address in network device context
2020-02-13 14:19:00 -08:00
ieee80211_radiotap.h
Merge tag 'wireless-drivers-next-for-davem-2019-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
2019-02-22 12:56:24 -08:00
ieee802154_netdev.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
if_inet6.h
ipv6: Replace zero-length array with flexible-array
2020-05-11 13:18:54 -07:00
ife.h
net: ife: drop include of module.h from net/ife.h
2019-04-22 21:50:53 -07:00
ila.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
inet6_connection_sock.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
inet6_hashtables.h
net: Track socket refcounts in skb_steal_sock()
2020-03-30 13:45:04 -07:00
inet_common.h
bpf: Allow any port in bpf_bind helper
2020-05-09 00:48:20 +02:00
inet_connection_sock.h
net: refactor bind_bucket fastreuse into helper
2020-08-19 08:26:59 +02:00
inet_ecn.h
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-03 14:34:53 -07:00
inet_frag.h
inet: frags: re-introduce skb coalescing for local delivery
2019-08-08 15:55:10 -07:00
inet_hashtables.h
dccp: Fix possible memleak in dccp_init and dccp_fini
2020-06-09 13:26:23 -07:00
inet_sock.h
net: inet_sock: Replace zero-length array with flexible-array member
2020-03-02 11:16:28 -08:00
inet_timewait_sock.h
tcp: honor SO_PRIORITY in TIME_WAIT state
2019-09-27 12:05:02 +02:00
inetpeer.h
net: ipv4: use a dedicated counter for icmp_v4 redirect packets
2019-02-08 21:50:15 -08:00
ip6_checksum.h
net: core: add helper tcp_v6_gso_csum_prep
2020-02-19 11:20:59 -08:00
ip6_fib.h
nexthop: support for fdb ecmp nexthops
2020-05-22 14:00:38 -07:00
ip6_route.h
ipv6: lift copy_from_user out of ipv6_route_ioctl
2020-05-18 17:35:02 -07:00
ip6_tunnel.h
ip6_tunnel: allow not to count pkts on tstats by passing dev as NULL
2019-06-18 20:48:45 -04:00
ip_fib.h
ipv4: nexthop version of fib_info_nh_uses_dev
2020-05-26 16:06:07 -07:00
ip_tunnels.h
net: ip_tunnel: add header_ops for layer 3 devices
2020-06-30 12:29:39 -07:00
ip_vs.h
ipvs: allow connection reuse for unconfirmed conntrack
2020-08-19 08:26:31 +02:00
ip.h
net/ipv4: always honour route mtu during forwarding
2020-10-29 10:07:02 +01:00
ipcomp.h
…
ipconfig.h
…
ipv6_frag.h
inet: fix various use-after-free in defrags units
2019-06-19 11:37:47 -04:00
ipv6_stubs.h
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2020-05-29 13:02:33 -07:00
ipv6.h
ipv6: add ip6_sock_set_recvpktinfo
2020-05-28 11:11:46 -07:00
ipx.h
bonding/alb: properly access headers in bond_alb_xmit()
2020-02-05 14:28:09 +01:00
iw_handler.h
net: Spelling s/stucture/structure/
2018-03-27 09:51:23 +02:00
kcm.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
l3mdev.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
lag.h
net: Add lag.h, net_lag_port_dev_txable()
2018-07-11 23:10:19 -07:00
lapb.h
…
lib80211.h
…
llc_c_ac.h
…
llc_c_ev.h
…
llc_c_st.h
…
llc_conn.h
llc: fix sk_buff leak in llc_conn_service()
2019-10-08 13:23:05 -07:00
llc_if.h
…
llc_pdu.h
…
llc_s_ac.h
…
llc_s_ev.h
…
llc_s_st.h
…
llc_sap.h
…
llc.h
llc: avoid blocking in llc_sap_close()
2018-09-13 09:04:58 -07:00
lwtunnel.h
net: add net available in build_state
2020-03-29 22:30:57 -07:00
mac80211.h
mac80211: use HE 6 GHz band capability and pass it to the driver
2020-05-31 11:27:03 +02:00
mac802154.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
macsec.h
net: macsec: add support for getting offloaded stats
2020-03-26 20:17:36 -07:00
mip6.h
net: mip6: Replace zero-length array with flexible-array member
2020-03-02 11:16:27 -08:00
mld.h
net: ipv6: mld: Replace zero-length array with flexible-array member
2020-02-29 21:52:20 -08:00
mpls_iptunnel.h
net: mpls: Replace zero-length array with flexible-array member
2020-02-28 12:08:37 -08:00
mpls.h
net: Make mpls_entry_encode() available for generic users
2020-05-29 21:20:20 -07:00
mptcp.h
mptcp: Use 32-bit DATA_ACK when possible
2020-05-16 13:51:10 -07:00
mrp.h
treewide: Use sizeof_field() macro
2019-12-09 10:36:44 -08:00
ncsi.h
…
ndisc.h
ipv6: ndisc: RFC-ietf-6man-ra-pref64-09 is now published as RFC8781
2020-04-22 12:15:07 -07:00
neighbour.h
net/sysctl: remove leftover __user annotations on neigh_proc_dointvec*
2020-06-08 10:13:56 -04:00
net_failover.h
net: Introduce net_failover driver
2018-05-28 22:59:54 -04:00
net_namespace.h
net: Introduce netns_bpf for BPF programs attached to netns
2020-06-01 15:21:02 -07:00
net_ratelimit.h
…
netevent.h
net: ipv4: Notify about changes to ip_forward_update_priority
2018-08-01 09:52:30 -07:00
netlabel.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
netlink.h
netlink: fix policy dump leak
2020-10-14 11:55:59 +02:00
netprio_cgroup.h
netprio: use css ID instead of cgroup ID
2019-11-12 08:18:03 -08:00
netrom.h
net: netrom: Fix error cleanup path of nr_proto_init
2019-04-11 13:59:49 -07:00
nexthop.h
vxlan: Remove access to nexthop group struct
2020-06-10 13:20:20 -07:00
nl802154.h
…
nsh.h
…
p8022.h
…
page_pool.h
net: page_pool: API cleanup and comments
2020-02-20 10:09:25 -08:00
pie.h
pie: realign comment
2020-03-04 13:25:55 -08:00
ping.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
pkt_cls.h
net: sched: implement terse dump support in act
2020-05-15 10:23:11 -07:00
pkt_sched.h
sched: consistently handle layer3 header accesses in the presence of VLANs
2020-07-03 14:34:53 -07:00
pptp.h
…
protocol.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
psample.h
net: sched: take reference to psample group in flow_action infra
2019-09-16 09:18:03 +02:00
psnap.h
…
raw.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
rawv6.h
…
red.h
net: sched: RED: Introduce an ECN nodrop mode
2020-03-14 21:03:46 -07:00
regulatory.h
ieee80211: share 802.11 unit conversion helpers
2020-04-24 12:33:43 +02:00
request_sock.h
net: add {READ|WRITE}_ONCE() annotations on ->rskq_accept_head
2019-10-09 21:34:31 -07:00
rose.h
proc: introduce proc_create_seq{,_data}
2018-05-16 07:23:35 +02:00
route.h
Remove DST_HOST
2020-03-23 21:57:44 -07:00
rpl.h
net: ipv6: add rpl sr tunnel
2020-03-29 22:30:57 -07:00
rsi_91x.h
Bluetooth: btrsi: add new rsi bluetooth driver
2018-03-13 18:37:02 +02:00
rtnetlink.h
net: Add extack argument to rtnl_create_link
2018-11-06 15:00:45 -08:00
rtnh.h
net: Rename net/nexthop.h net/rtnh.h
2019-04-22 21:47:25 -07:00
sch_generic.h
net: sched: introduce terse dump flag
2020-05-15 10:23:11 -07:00
scm.h
pids: Compute task_tgid using signal->leader_pid
2018-07-21 10:43:12 -05:00
secure_seq.h
…
seg6_hmac.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
seg6_local.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
seg6.h
seg6: fix seg6_validate_srh() to avoid slab-out-of-bounds
2020-06-04 15:39:32 -07:00
slhc_vj.h
slip: Check if rstate is initialized before uncompressing
2018-04-11 10:33:46 -04:00
smc.h
net/smc: introduce bookkeeping of SMCD link groups
2019-11-15 12:28:28 -08:00
snmp.h
net/tls: add skeleton of MIB statistics
2019-10-05 16:29:00 -07:00
sock_reuseport.h
net: sock_reuseport: Replace zero-length array with flexible-array member
2020-02-29 21:52:19 -08:00
sock.h
net/compat: Add missing sock updates for SCM_RIGHTS
2020-08-21 13:14:55 +02:00
Space.h
net/mac89x0: Convert to platform_driver
2018-03-01 21:21:36 -05:00
stp.h
…
strparser.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
switchdev.h
bridge: mrp: Add support for role MRA
2020-06-01 11:56:11 -07:00
tcp_states.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tcp.h
tcp: correct read of TFO keys on big endian systems
2020-08-19 08:26:59 +02:00
timewait_sock.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tipc.h
flow_dissector: do not rely on implicit casts
2018-05-08 00:02:41 -04:00
tls_toe.h
net/tls: rename tls_hw_* functions tls_toe_*
2019-10-04 14:07:07 -07:00
tls.h
bpf: Fix running sk_skb program types with ktls
2020-06-01 14:48:32 -07:00
transp_v6.h
ipv6: fold sockcm_cookie into ipcm6_cookie
2018-07-07 10:58:49 +09:00
tso.h
…
tun_proto.h
…
udp_tunnel.h
net: bareudp: avoid uninitialized variable warning
2020-05-07 17:28:18 -07:00
udp.h
bpf: Add sockmap hooks for UDP sockets
2020-03-09 22:34:58 +01:00
udplite.h
udplite: fix partial checksum initialization
2018-02-16 15:57:42 -05:00
vsock_addr.h
vsock: remove include/linux/vm_sockets.h file
2019-11-14 18:12:17 -08:00
vxlan.h
vxlan: ecmp support for mac fdb entries
2020-05-22 14:00:38 -07:00
wext.h
lift handling of SIOCIW... out of dev_ioctl()
2018-01-24 19:13:45 -05:00
wimax.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 268
2019-06-05 17:30:29 +02:00
x25.h
net/x25: add new state X25_STATE_5
2019-12-09 10:28:43 -08:00
x25device.h
…
xdp_priv.h
page_pool: do not release pool until inflight == 0.
2019-11-16 12:39:10 -08:00
xdp_sock_drv.h
xsk: Remove MEM_TYPE_ZERO_COPY and corresponding code
2020-05-21 17:31:27 -07:00
xdp_sock.h
xsk: Remove MEM_TYPE_ZERO_COPY and corresponding code
2020-05-21 17:31:27 -07:00
xdp.h
xdp: Rename convert_to_xdp_frame in xdp_convert_buff_to_frame
2020-06-01 15:02:53 -07:00
xfrm.h
xfrm: clone XFRMA_REPLAY_ESN_VAL in xfrm_do_migrate
2020-10-14 11:55:51 +02:00
xsk_buff_pool.h
xsk: Replace the cheap_dma flag with a dma_need_sync flag
2020-06-30 15:44:03 +02:00