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:3d) already exists on: batadv_slave_0 BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1844 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! in_atomic(): 0, irqs_disabled(): 0, pid: 196, name: kworker/u4:3 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/u4:3/196: #0: ("%s"wiphy_name(local->hw.wiphy)){+.+.}, at: [] 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 #1: ((&sdata->work)){+.+.}, at: [] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! #2: 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! &wdev->mtx IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready ){+.+.}, at: [] sdata_lock net/mac80211/ieee80211_i.h:986 [inline] ){+.+.}, at: [] ieee80211_ibss_work+0x72/0xc90 net/mac80211/ibss.c:1675 batman_adv: batadv0: Interface activated: batadv_slave_0 #3: (rcu_read_lock){....}, at: [] sta_info_insert_finish net/mac80211/sta_info.c:553 [inline] #3: (rcu_read_lock){....}, at: [] sta_info_insert_rcu+0x48d/0x1f40 net/mac80211/sta_info.c:634 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready Preemption disabled at: [] rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1185 [inline] [] rcu_lockdep_current_cpu_online+0x30/0x140 kernel/rcu/tree.c:1177 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 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! CPU: 0 PID: 196 Comm: kworker/u4:3 Not tainted 4.14.208-syzkaller #0 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy4 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 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! 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): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready hpfs: bad mount options. hpfs: bad mount options. 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 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 9pnet: Could not find request transport: xen 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 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 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 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options. hpfs: bad mount options.