[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.16' (ECDSA) to the list of known hosts. syzkaller login: [ 549.488704] IPVS: ftp: loaded support on port[0] = 21 [ 549.574567] chnl_net:caif_netlink_parms(): no params data found [ 549.646571] bridge0: port 1(bridge_slave_0) entered blocking state [ 549.653158] bridge0: port 1(bridge_slave_0) entered disabled state [ 549.660252] device bridge_slave_0 entered promiscuous mode [ 549.667382] bridge0: port 2(bridge_slave_1) entered blocking state [ 549.674537] bridge0: port 2(bridge_slave_1) entered disabled state [ 549.681414] device bridge_slave_1 entered promiscuous mode [ 549.696974] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 549.705519] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 549.722861] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 549.730292] team0: Port device team_slave_0 added [ 549.735834] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 549.742901] team0: Port device team_slave_1 added [ 549.757159] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 549.763552] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 549.788762] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 549.799985] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 549.806267] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 549.831489] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 549.842131] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 549.850270] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 549.867928] device hsr_slave_0 entered promiscuous mode [ 549.873535] device hsr_slave_1 entered promiscuous mode [ 549.879284] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 549.886382] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 549.942965] bridge0: port 2(bridge_slave_1) entered blocking state [ 549.949411] bridge0: port 2(bridge_slave_1) entered forwarding state [ 549.956195] bridge0: port 1(bridge_slave_0) entered blocking state [ 549.962536] bridge0: port 1(bridge_slave_0) entered forwarding state [ 549.990298] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 549.997028] 8021q: adding VLAN 0 to HW filter on device bond0 [ 550.005473] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 550.013813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 550.031652] bridge0: port 1(bridge_slave_0) entered disabled state [ 550.039388] bridge0: port 2(bridge_slave_1) entered disabled state [ 550.049150] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 550.055974] 8021q: adding VLAN 0 to HW filter on device team0 [ 550.064095] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 550.071606] bridge0: port 1(bridge_slave_0) entered blocking state [ 550.077978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 550.094410] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 550.101936] bridge0: port 2(bridge_slave_1) entered blocking state [ 550.108314] bridge0: port 2(bridge_slave_1) entered forwarding state [ 550.115450] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 550.122927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 550.132402] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 550.139527] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 550.149603] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 550.158799] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 550.164805] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 550.177152] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 550.184379] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 550.190981] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 550.200798] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 550.247745] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 550.256874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 550.284080] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 550.291423] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 550.298669] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 550.307397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 550.314898] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 550.321636] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 550.330385] device veth0_vlan entered promiscuous mode [ 550.338681] device veth1_vlan entered promiscuous mode [ 550.344647] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 550.352572] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 550.363796] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 550.372292] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 550.380076] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 550.387559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 550.396682] device veth0_macvtap entered promiscuous mode [ 550.402634] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 550.410594] device veth1_macvtap entered promiscuous mode [ 550.418590] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 550.427273] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 550.436574] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 550.443602] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 550.451507] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 550.460577] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 550.467591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 550.557460] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 550.564332] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 550.577927] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 550.586662] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 550.606710] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 550.615329] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 550.621792] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 550.630794] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 550.637732] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 550.647104] BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1844 [ 550.657441] in_atomic(): 0, irqs_disabled(): 0, pid: 8070, name: kworker/u4:0 [ 550.664874] 4 locks held by kworker/u4:0/8070: [ 550.669451] #0: ("%s"wiphy_name(local->hw.wiphy)){+.+.}, at: [] process_one_work+0x6b0/0x14a0 [ 550.680241] #1: ((&sdata->work)){+.+.}, at: [] process_one_work+0x6e6/0x14a0 [ 550.689542] #2: (&wdev->mtx){+.+.}, at: [] ieee80211_ibss_work+0x72/0xc90 [ 550.698347] #3: (rcu_read_lock){....}, at: [] sta_info_insert_rcu+0x48d/0x1f40 [ 550.707675] Preemption disabled at: [ 550.707723] [] rcu_lockdep_current_cpu_online+0x30/0x140 [ 550.718393] CPU: 0 PID: 8070 Comm: kworker/u4:0 Not tainted 4.14.208-syzkaller #0 [ 550.725995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 550.735423] Workqueue: phy3 ieee80211_iface_work [ 550.740161] Call Trace: [ 550.742761] dump_stack+0x1b2/0x283 [ 550.746408] ? rcu_lockdep_current_cpu_online+0x30/0x140 [ 550.751861] ___might_sleep.cold+0x235/0x250 [ 550.756245] sta_info_move_state+0x32/0x930 [ 550.760560] sta_info_free+0x50/0x330 [ 550.764337] sta_info_insert_rcu+0x23c/0x1f40 [ 550.768835] ? __local_bh_enable_ip+0xc1/0x170 [ 550.773441] ? minstrel_ht_rate_update+0x40/0x40 [ 550.778227] ? rate_control_rate_init+0x2cb/0x4f0 [ 550.783055] ieee80211_ibss_finish_sta+0x1db/0x2b0 [ 550.787984] ? ieee80211_sta_join_ibss+0xd50/0xd50 [ 550.792890] ? __local_bh_enable_ip+0xc1/0x170 [ 550.797452] ieee80211_ibss_work+0x260/0xc90 [ 550.801839] ? ieee80211_ibss_rx_queued_mgmt+0x1680/0x1680 [ 550.807478] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 550.812579] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 550.817572] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 550.822670] ieee80211_iface_work+0x690/0x770 [ 550.827145] process_one_work+0x793/0x14a0 [ 550.831356] ? work_busy+0x320/0x320 [ 550.835041] ? worker_thread+0x158/0xff0 [ 550.839075] ? _raw_spin_unlock_irq+0x24/0x80 [ 550.843549] worker_thread+0x5cc/0xff0 [ 550.847413] ? rescuer_thread+0xc80/0xc80 [ 550.851567] kthread+0x30d/0x420 executing program [ 550.854910] ? kthread_create_on_node+0xd0/0xd0 [ 550.859579] ret_from_fork+0x24/0x30 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory [ 550.899441] BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 0 transid 0 /dev/loop0 executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 551.499467] print_req_error: I/O error, dev loop0, sector 0 [ 551.523680] Bluetooth: hci0 command 0x0409 tx timeout write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 552.915581] print_req_error: I/O error, dev loop0, sector 0 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 553.602979] Bluetooth: hci0 command 0x041b tx timeout write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 555.682696] Bluetooth: hci0 command 0x040f tx timeout write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program [ 557.762444] Bluetooth: hci0 command 0x0419 tx timeout write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory executing program