IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1844
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
in_atomic(): 0, irqs_disabled(): 0, pid: 160, name: kworker/u4:3
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
Bluetooth: hci0 command 0x0419 tx timeout
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
4 locks held by kworker/u4:3/160:
 #0:  (
"%s"wiphy_name(local->hw.wiphy)){+.+.}, at: [<ffffffff81373610>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
Bluetooth: hci2 command 0x0419 tx timeout
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
Bluetooth: hci5 command 0x0419 tx timeout
 #1: 
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
Bluetooth: hci4 command 0x0419 tx timeout
 ((&sdata->work)){+.+.}, at: [<ffffffff81373646>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
 #2:  (&wdev->mtx){+.+.}, at: [<ffffffff86d20792>] sdata_lock net/mac80211/ieee80211_i.h:986 [inline]
 #2:  (&wdev->mtx){+.+.}, at: [<ffffffff86d20792>] ieee80211_ibss_work+0x72/0xc90 net/mac80211/ibss.c:1675
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
 #3:  (rcu_read_lock){....}, at: [<ffffffff86ce4afd>] sta_info_insert_finish net/mac80211/sta_info.c:553 [inline]
 #3:  (rcu_read_lock){....}, at: [<ffffffff86ce4afd>] sta_info_insert_rcu+0x48d/0x1f40 net/mac80211/sta_info.c:634
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
Preemption disabled at:
[<ffffffff81488060>] rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1185 [inline]
[<ffffffff81488060>] rcu_lockdep_current_cpu_online+0x30/0x140 kernel/rcu/tree.c:1177
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready
batman_adv: batadv0: Interface activated: batadv_slave_0
CPU: 0 PID: 160 Comm: kworker/u4:3 Not tainted 4.14.208-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy2 ieee80211_iface_work
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6042
 sta_info_move_state+0x32/0x930 net/mac80211/sta_info.c:1844
 sta_info_free+0x50/0x330 net/mac80211/sta_info.c:260
 sta_info_insert_rcu+0x23c/0x1f40 net/mac80211/sta_info.c:640
 ieee80211_ibss_finish_sta+0x1db/0x2b0 net/mac80211/ibss.c:601
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
 ieee80211_ibss_work+0x260/0xc90 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x690/0x770 net/mac80211/iface.c:1383
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready
batman_adv: batadv0: Interface activated: batadv_slave_1
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1844
in_atomic(): 0, irqs_disabled(): 0, pid: 3572, name: kworker/u4:4
4 locks held by kworker/u4:4/3572:
 #0:  ("%s"wiphy_name(local->hw.wiphy)){+.+.}, at: [<ffffffff81373610>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&sdata->work)){+.+.}, at: [<ffffffff81373646>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
 #2:  (&wdev->mtx){+.+.}, at: [<ffffffff86d20792>] sdata_lock net/mac80211/ieee80211_i.h:986 [inline]
 #2:  (&wdev->mtx){+.+.}, at: [<ffffffff86d20792>] ieee80211_ibss_work+0x72/0xc90 net/mac80211/ibss.c:1675
 #3:  (rcu_read_lock){....}, at: [<ffffffff86ce4afd>] sta_info_insert_finish net/mac80211/sta_info.c:553 [inline]
 #3:  (rcu_read_lock){....}, at: [<ffffffff86ce4afd>] sta_info_insert_rcu+0x48d/0x1f40 net/mac80211/sta_info.c:634
Preemption disabled at:
[<ffffffff81488060>] rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1185 [inline]
[<ffffffff81488060>] rcu_lockdep_current_cpu_online+0x30/0x140 kernel/rcu/tree.c:1177
CPU: 1 PID: 3572 Comm: kworker/u4:4 Tainted: G        W       4.14.208-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy12 ieee80211_iface_work
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6042
 sta_info_move_state+0x32/0x930 net/mac80211/sta_info.c:1844
 sta_info_free+0x50/0x330 net/mac80211/sta_info.c:260
 sta_info_insert_rcu+0x23c/0x1f40 net/mac80211/sta_info.c:640
 ieee80211_ibss_finish_sta+0x1db/0x2b0 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x260/0xc90 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x690/0x770 net/mac80211/iface.c:1383
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404