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Felix Fietkau 9090d691a8 mac80211: do not call driver wake_tx_queue op during reconfig 
commit 4856bfd230985e43e84c26473c91028ff0a533bd upstream.

There are several scenarios in which mac80211 can call drv_wake_tx_queue
after ieee80211_restart_hw has been called and has not yet completed.
Driver private structs are considered uninitialized until mac80211 has
uploaded the vifs, stations and keys again, so using private tx queue
data during that time is not safe.

The driver can also not rely on drv_reconfig_complete to figure out when
it is safe to accept drv_wake_tx_queue calls again, because it is only
called after all tx queues are woken again.

To fix this, bail out early in drv_wake_tx_queue if local->in_reconfig
is set.

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-04-27 09:34:02 +02:00
..
6lowpan 6lowpan: iphc: reset mac_header after decompress to fix panic 2018-10-10 08:52:04 +02:00
9p 9p: do not trust pdu content for stat item size 2019-04-27 09:33:58 +02:00
802
8021q
appletalk appletalk: Fix use-after-free in atalk_proc_exit 2019-04-27 09:33:59 +02:00
atm net: atm: Fix potential Spectre v1 vulnerabilities 2019-04-27 09:33:59 +02:00
ax25 ax25: fix possible use-after-free 2019-02-23 09:05:14 +01:00
batman-adv batman-adv: fix uninit-value in batadv_interface_tx() 2019-03-23 08:44:17 +01:00
bluetooth Bluetooth: Fix decrementing reference count twice in releasing socket 2019-04-27 09:33:47 +02:00
bridge net: bridge: multicast: use rcu to access port list from br_multicast_start_querier 2019-04-27 09:34:00 +02:00
caif net: caif: Add a missing rcu_read_unlock() in caif_flow_cb 2018-09-05 09:18:34 +02:00
can can: bcm: check timer values before ktime conversion 2019-02-06 19:43:04 +01:00
ceph libceph: handle an empty authorize reply 2019-03-23 08:44:18 +01:00
core net: ethtool: not call vzalloc for zero sized memory request 2019-04-27 09:33:55 +02:00
dcb net: dcb: For wild-card lookups, use priority -1, not 0 2018-09-19 22:48:58 +02:00
dccp dccp: do not use ipv6 header for ipv4 flow 2019-04-03 06:23:25 +02:00
decnet
dns_resolver KEYS: DNS: fix parsing multiple options 2018-07-22 14:25:54 +02:00
dsa net: dsa: slave: Don't propagate flag changes on down slave interfaces 2019-02-20 10:13:15 +01:00
ethernet
hsr net/hsr: fix possible crash in add_timer() 2019-03-23 08:44:31 +01:00
ieee802154 inet: frags: fix ip6frag_low_thresh boundary 2019-02-08 11:25:32 +01:00
ipv4 ipv4: ensure rcu_read_lock() in ipv4_link_failure() 2019-04-27 09:34:00 +02:00
ipv6 ip6_tunnel: Match to ARPHRD_TUNNEL6 for dev type 2019-04-27 09:33:55 +02:00
ipx
irda irda: Only insert new objects into the global database via setsockopt 2018-09-15 09:40:40 +02:00
iucv af_iucv: Move sockaddr length checks to before accessing sa_family in bind and connect handlers 2018-11-10 07:41:35 -08:00
key af_key: Always verify length of provided sadb_key 2018-06-16 09:54:25 +02:00
l2tp l2tp: fix infoleak in l2tp_ip6_recvmsg() 2019-03-23 08:44:29 +01:00
l3mdev
lapb
llc llc: do not use sk_eat_skb() 2018-12-01 09:46:34 +01:00
mac80211 mac80211: do not call driver wake_tx_queue op during reconfig 2019-04-27 09:34:02 +02:00
mac802154 net: mac802154: tx: expand tailroom if necessary 2018-09-09 20:04:32 +02:00
mpls
netfilter netfilter: physdev: relax br_netfilter dependency 2019-04-27 09:33:53 +02:00
netlabel netlabel: check for IPV4MASK in addrinfo_get 2018-10-20 09:52:36 +02:00
netlink netlink: Don't shift on 64 for ngroups 2018-08-09 12:19:28 +02:00
netrom netrom: switch to sock timer API 2019-02-06 19:43:06 +01:00
nfc net: nfc: Fix NULL dereference on nfc_llcp_build_tlv fails 2019-03-23 08:44:22 +01:00
openvswitch openvswitch: fix flow actions reallocation 2019-04-27 09:33:54 +02:00
packet packets: Always register packet sk in the same order 2019-04-03 06:23:25 +02:00
phonet phonet: fix building with clang 2019-03-23 08:44:34 +01:00
rds net: rds: force to destroy connection if t_sock is NULL in rds_tcp_kill_sock(). 2019-04-27 09:33:54 +02:00
rfkill
rose net: rose: fix a possible stack overflow 2019-04-03 06:23:25 +02:00
rxrpc
sched net_sched: refetch skb protocol for each filter 2019-02-06 19:43:03 +01:00
sctp sctp: initialize _pad of sockaddr_in before copying to user memory 2019-04-27 09:33:55 +02:00
sunrpc sunrpc: handle ENOMEM in rpcb_getport_async 2019-01-26 09:42:51 +01:00
switchdev
tipc tipc: use destination length for copy string 2019-02-20 10:13:14 +01:00
unix missing barriers in some of unix_sock ->addr and ->path accesses 2019-03-23 08:44:31 +01:00
vmw_vsock vsock: cope with memory allocation failure at socket creation time 2019-02-23 09:05:13 +01:00
wimax
wireless cfg80211: size various nl80211 messages correctly 2019-04-03 06:23:25 +02:00
x25 net/x25: fix a race in x25_bind() 2019-03-23 08:44:30 +01:00
xfrm xfrm: refine validation of template and selector families 2019-02-20 10:13:20 +01:00
compat.c sock: Make sock->sk_stamp thread-safe 2019-01-13 10:05:28 +01:00
Kconfig
Makefile
socket.c sockfs: getxattr: Fail with -EOPNOTSUPP for invalid attribute names 2019-03-23 08:44:21 +01:00
sysctl_net.c