[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.12' (ECDSA) to the list of known hosts. 2021/02/19 03:51:38 parsed 1 programs 2021/02/19 03:51:39 executed programs: 0 syzkaller login: [ 52.601103][ T8417] IPVS: ftp: loaded support on port[0] = 21 [ 52.751532][ T8417] chnl_net:caif_netlink_parms(): no params data found [ 52.810232][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.817510][ T8417] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.825984][ T8417] device bridge_slave_0 entered promiscuous mode [ 52.838182][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.845545][ T8417] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.855755][ T8417] device bridge_slave_1 entered promiscuous mode [ 52.877329][ T8417] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.889868][ T8417] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.913614][ T8417] team0: Port device team_slave_0 added [ 52.921262][ T8417] team0: Port device team_slave_1 added [ 52.940390][ T8417] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.947405][ T8417] 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. [ 52.973959][ T8417] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.987762][ T8417] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.994783][ T8417] 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. [ 53.021441][ T8417] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.050153][ T8417] device hsr_slave_0 entered promiscuous mode [ 53.056844][ T8417] device hsr_slave_1 entered promiscuous mode [ 53.161660][ T8417] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.173053][ T8417] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.183776][ T8417] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.195522][ T8417] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.219598][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.226779][ T8417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.234815][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.242007][ T8417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.286976][ T8417] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.302022][ T4883] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.312448][ T4883] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.322678][ T4883] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.331715][ T4883] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 53.346484][ T8417] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.359042][ T4883] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.368353][ T4883] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.375539][ T4883] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.390360][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.399239][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.406320][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.429936][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.439629][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.448678][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.461379][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.474300][ T8417] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.486278][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.495964][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.517858][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.525321][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.536011][ T8417] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.554205][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.574673][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.584740][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.594217][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.605507][ T8417] device veth0_vlan entered promiscuous mode [ 53.618650][ T8417] device veth1_vlan entered promiscuous mode [ 53.638917][ T3778] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.646982][ T3778] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.656894][ T3778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.669493][ T8417] device veth0_macvtap entered promiscuous mode [ 53.680076][ T8417] device veth1_macvtap entered promiscuous mode [ 53.699362][ T8417] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.706783][ T3778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.719434][ T3778] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.732350][ T8417] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.740619][ T4883] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.749933][ T4883] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.761951][ T8417] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.771620][ T8417] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.781143][ T8417] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.790621][ T8417] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.878688][ T124] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.886668][ T124] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.911331][ T3778] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.935956][ T124] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.944483][ T124] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.955819][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 54.500607][ T8700] INFO: trying to register non-static key. [ 54.506486][ T8700] the code is fine but needs lockdep annotation. [ 54.512800][ T8700] turning off the locking correctness validator. [ 54.519293][ T8700] CPU: 1 PID: 8700 Comm: syz-executor.0 Not tainted 5.11.0-syzkaller #0 [ 54.527595][ T8700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.539480][ T8700] Call Trace: [ 54.542762][ T8700] dump_stack+0x137/0x1be [ 54.547107][ T8700] ? wake_up_klogd+0xb2/0xf0 [ 54.551692][ T8700] register_lock_class+0xd54/0x12b0 [ 54.556876][ T8700] __lock_acquire+0x107/0x5e90 [ 54.561627][ T8700] ? try_to_wake_up+0x64a/0xa90 [ 54.566467][ T8700] ? rcu_read_lock_sched_held+0x41/0xb0 [ 54.571998][ T8700] ? mark_lock+0x139/0x2030 [ 54.576482][ T8700] ? rcu_read_lock_sched_held+0x41/0xb0 [ 54.582109][ T8700] lock_acquire+0x114/0x5e0 [ 54.586687][ T8700] ? skb_queue_purge+0x2e/0x1c0 [ 54.591529][ T8700] ? _raw_spin_lock_irqsave+0x4d/0xa0 [ 54.596914][ T8700] _raw_spin_lock_irqsave+0x73/0xa0 [ 54.602110][ T8700] ? skb_queue_purge+0x2e/0x1c0 [ 54.606941][ T8700] skb_queue_purge+0x2e/0x1c0 [ 54.611698][ T8700] ? l2cap_chan_del+0x400/0x610 [ 54.616551][ T8700] l2cap_sock_shutdown+0x421/0x880 [ 54.621746][ T8700] l2cap_sock_release+0x68/0x1c0 [ 54.626752][ T8700] sock_close+0xd8/0x260 [ 54.630991][ T8700] ? sock_mmap+0x90/0x90 [ 54.635228][ T8700] __fput+0x34d/0x7a0 [ 54.639189][ T8700] task_work_run+0x137/0x1c0 [ 54.643901][ T8700] get_signal+0x1e47/0x1ef0 [ 54.648391][ T8700] ? __local_bh_enable_ip+0xf8/0x170 [ 54.653657][ T8700] ? kick_process+0xd6/0x140 [ 54.658489][ T8700] ? fput_many+0x159/0x1a0 [ 54.662904][ T8700] arch_do_signal_or_restart+0x3c/0x610 [ 54.668456][ T8700] ? exit_to_user_mode_prepare+0x49/0x1e0 [ 54.674162][ T8700] exit_to_user_mode_prepare+0xac/0x1e0 [ 54.679697][ T8700] ? trace_irq_disable_rcuidle+0x11/0x170 [ 54.685430][ T8700] syscall_exit_to_user_mode+0x48/0x180 [ 54.691000][ T8700] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.696939][ T8700] RIP: 0033:0x465d99 [ 54.700828][ T8700] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 54.724443][ T8700] RSP: 002b:00007f3bafa54188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 54.732865][ T8700] RAX: fffffffffffffffc RBX: 000000000056c008 RCX: 0000000000465d99 [ 54.740923][ T8700] RDX: 000000000000000e RSI: 0000000020000040 RDI: 0000000000000007 [ 54.748966][ T8700] RBP: 00000000004bcf27 R08: 0000000000000000 R09: 0000000000000000 [ 54.756938][ T8700] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 54.765338][ T8700] R13: 00007ffd11e4802f R14: 00007f3bafa54300 R15: 0000000000022000 [ 54.775556][ T3778] Bluetooth: hci0: command 0x0409 tx timeout 2021/02/19 03:51:44 executed programs: 75 [ 56.836547][ T5] Bluetooth: hci0: command 0x041b tx timeout [ 58.916480][ T5] Bluetooth: hci0: command 0x040f tx timeout [ 60.995756][ T4883] Bluetooth: hci0: command 0x0419 tx timeout 2021/02/19 03:51:49 executed programs: 272 [ 63.085563][ T4883] Bluetooth: hci0: command 0x0405 tx timeout