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Markus Theil 89f54ffd50 mac80211: mesh: restrict airtime metric to peered established plinks 
[ Upstream commit 02a614499600af836137c3fbc4404cd96365fff2 ]

The following warning is triggered every time an unestablished mesh peer
gets dumped. Checks if a peer link is established before retrieving the
airtime link metric.

[ 9563.022567] WARNING: CPU: 0 PID: 6287 at net/mac80211/mesh_hwmp.c:345
               airtime_link_metric_get+0xa2/0xb0 [mac80211]
[ 9563.022697] Hardware name: PC Engines apu2/apu2, BIOS v4.10.0.3
[ 9563.022756] RIP: 0010:airtime_link_metric_get+0xa2/0xb0 [mac80211]
[ 9563.022838] Call Trace:
[ 9563.022897]  sta_set_sinfo+0x936/0xa10 [mac80211]
[ 9563.022964]  ieee80211_dump_station+0x6d/0x90 [mac80211]
[ 9563.023062]  nl80211_dump_station+0x154/0x2a0 [cfg80211]
[ 9563.023120]  netlink_dump+0x17b/0x370
[ 9563.023130]  netlink_recvmsg+0x2a4/0x480
[ 9563.023140]  ____sys_recvmsg+0xa6/0x160
[ 9563.023154]  ___sys_recvmsg+0x93/0xe0
[ 9563.023169]  __sys_recvmsg+0x7e/0xd0
[ 9563.023210]  do_syscall_64+0x4e/0x140
[ 9563.023217]  entry_SYSCALL_64_after_hwframe+0x44/0xa9

Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
Link: https://lore.kernel.org/r/20191203180644.70653-1-markus.theil@tu-ilmenau.de
[rewrite commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-02-05 14:18:18 +00:00
..
6lowpan
6lowpan: Off by one handling ->nexthdr
2020-01-27 14:46:30 +01:00
9p
9p/virtio: Add cleanup path in p9_virtio_init
2019-07-31 07:28:39 +02:00
802
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
8021q
vlan: fix memory leak in vlan_dev_set_egress_priority
2020-01-12 12:12:09 +01:00
appletalk
appletalk: Set error code if register_snap_client failed
2019-12-17 20:38:59 +01:00
atm
net: use skb_queue_empty_lockless() in poll() handlers
2019-11-10 11:25:34 +01:00
ax25
ax25: enforce CAP_NET_RAW for raw sockets
2019-10-05 12:47:43 +02:00
batman-adv
batman-adv: Fix DAT candidate selection on little endian systems
2020-01-23 08:20:34 +01:00
bluetooth
Bluetooth: Fix race condition in hci_release_sock()
2020-02-05 14:18:16 +00:00
bpf
…
bridge
netfilter: ebtables: CONFIG_COMPAT: reject trailing data after last rule
2020-01-27 14:46:34 +01:00
caif
net: use skb_queue_empty_lockless() in poll() handlers
2019-11-10 11:25:34 +01:00
can
can: af_can: Fix error path of can_init()
2019-07-21 09:04:22 +02:00
ceph
libceph: fix PG split vs OSD (re)connect race
2019-08-29 08:26:42 +02:00
core
net: rtnetlink: validate IFLA_MTU attribute in rtnl_create_link()
2020-01-29 15:02:36 +01:00
dcb
net: dcb: For wild-card lookups, use priority -1, not 0
2018-09-19 22:43:43 +02:00
dccp
dccp: Fix memleak in __feat_register_sp
2020-01-17 19:45:43 +01:00
decnet
net: add bool confirm_neigh parameter for dst_ops.update_pmtu
2020-01-04 14:00:14 +01:00
dns_resolver
KEYS: DNS: fix parsing multiple options
2018-07-22 14:28:49 +02:00
dsa
net: dsa: tag_qca: fix doubled Tx statistics
2020-01-23 08:20:34 +01:00
ethernet
net: add annotations on hh->hh_len lockless accesses
2020-01-09 10:17:59 +01:00
hsr
hsr: reset network header when supervision frame is created
2020-01-17 19:45:45 +01:00
ieee802154
inet: frags: call inet_frags_fini() after unregister_pernet_subsys()
2020-01-27 14:46:36 +01:00
ife
net: sched: ife: check on metadata length
2018-04-29 11:33:13 +02:00
ipv4
tcp_bbr: improve arithmetic division in bbr_update_bw()
2020-01-29 15:02:36 +01:00
ipv6
net, ip6_tunnel: fix namespaces move
2020-01-29 15:02:35 +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/af_iucv: always register net_device notifier
2020-01-27 14:46:38 +01:00
kcm
kcm: switch order of device registration to fix a crash
2019-04-17 08:37:45 +02:00
key
xfrm: clean up xfrm protocol checks
2019-09-16 08:20:44 +02:00
l2tp
l2tp: Fix possible NULL pointer dereference
2020-01-27 14:46:33 +01:00
l3mdev
…
lapb
lapb: fixed leak of control-blocks.
2019-06-22 08:16:14 +02:00
llc
llc: fix sk_buff refcounting in llc_conn_state_process()
2020-01-27 14:46:49 +01:00
mac80211
mac80211: mesh: restrict airtime metric to peered established plinks
2020-02-05 14:18:18 +00:00
mac802154
net: mac802154: tx: expand tailroom if necessary
2018-09-09 19:55:52 +02:00
mpls
mpls: fix warning with multi-label encap
2020-01-27 14:46:37 +01:00
ncsi
net/ncsi: Fix length of GVI response packet
2017-10-21 01:56:38 +01:00
netfilter
netfilter: ipset: use bitmap infrastructure completely
2020-01-29 15:02:39 +01:00
netlabel
netlabel: fix out-of-bounds memory accesses
2019-03-13 14:03:08 -07:00
netlink
genetlink: Fix a memory leak on error path
2019-04-03 06:25:08 +02:00
netrom
netrom: hold sock when setting skb->destructor
2019-07-31 07:28:46 +02:00
nfc
net: nfc: nci: fix a possible sleep-in-atomic-context bug in nci_uart_tty_receive()
2019-12-31 12:36:41 +01:00
nsh
nsh: set mac len based on inner packet
2018-07-22 14:28:49 +02:00
openvswitch
openvswitch: support asymmetric conntrack
2019-12-21 10:47:34 +01:00
packet
packet: fix data-race in fanout_flow_is_huge()
2020-01-27 14:46:51 +01:00
phonet
net: use skb_queue_empty_lockless() in poll() handlers
2019-11-10 11:25:34 +01:00
psample
net: psample: fix skb_over_panic
2019-12-05 15:38:15 +01:00
qrtr
net: qrtr: Stop rx_worker before freeing node
2019-10-05 12:47:40 +02:00
rds
net/rds: Fix 'ib_evt_handler_call' element in 'rds_ib_stat_names'
2020-01-27 14:46:47 +01:00
rfkill
rfkill: Fix incorrect check to avoid NULL pointer dereference
2020-01-12 12:11:57 +01:00
rose
net/rose: fix unbound loop in rose_loopback_timer()
2019-05-02 09:40:34 +02:00
rxrpc
rxrpc: Fix uninitialized error code in rxrpc_send_data_packet()
2020-01-27 14:46:39 +01:00
sched
net_sched: ematch: reject invalid TCF_EM_SIMPLE
2020-02-05 14:18:09 +00:00
sctp
sctp: free cmd->obj.chunk for the unprocessed SCTP_CMD_REPLY
2020-01-12 12:12:07 +01:00
smc
net/smc: use after free fix in smc_wr_tx_put_slot()
2019-12-17 20:38:01 +01:00
strparser
strparser: Remove early eaten to fix full tcp receive buffer stall
2018-07-22 14:28:47 +02:00
sunrpc
xprtrdma: Fix completion wait during device removal
2020-01-17 19:45:47 +01:00
switchdev
…
tipc
tipc: reduce risk of wakeup queue starvation
2020-01-27 14:46:41 +01:00
tls
net/tls: Fixed return value when tls_complete_pending_work() fails
2018-12-05 19:41:11 +01:00
unix
af_unix: add compat_ioctl support
2020-01-17 19:45:49 +01:00
vmw_vsock
VSOCK: bind to random port for VMADDR_PORT_ANY
2019-12-05 15:37:24 +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: check for set_wiphy_params
2020-01-23 08:20:35 +01:00
x25
net/x25: fix nonblocking connect
2020-01-29 15:02:39 +01:00
xfrm
xfrm: release device reference for invalid state
2019-12-17 20:37:28 +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
compat_ioctl: handle SIOCOUTQNSD
2020-01-17 19:45:49 +01:00
sysctl_net.c
…