[ OK ] Started OpenBSD Secure Shell server. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.33' (ECDSA) to the list of known hosts. 2021/03/23 10:55:37 parsed 1 programs 2021/03/23 10:55:38 executed programs: 0 syzkaller login: [ 55.131352][ T8399] IPVS: ftp: loaded support on port[0] = 21 [ 55.277116][ T8399] chnl_net:caif_netlink_parms(): no params data found [ 55.332923][ T8399] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.342187][ T8399] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.352604][ T8399] device bridge_slave_0 entered promiscuous mode [ 55.364080][ T8399] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.372626][ T8399] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.381819][ T8399] device bridge_slave_1 entered promiscuous mode [ 55.405716][ T8399] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.418057][ T8399] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.442719][ T8399] team0: Port device team_slave_0 added [ 55.452527][ T8399] team0: Port device team_slave_1 added [ 55.472199][ T8399] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.480877][ T8399] 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. [ 55.509999][ T8399] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.524306][ T8399] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.532010][ T8399] 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. [ 55.559577][ T8399] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.587215][ T8399] device hsr_slave_0 entered promiscuous mode [ 55.595448][ T8399] device hsr_slave_1 entered promiscuous mode [ 55.695221][ T8399] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.705726][ T8399] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.717579][ T8399] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.728231][ T8399] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.750932][ T8399] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.759143][ T8399] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.768424][ T8399] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.776108][ T8399] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.822693][ T8399] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.839180][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.852360][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.862581][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.871802][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.887747][ T8399] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.900165][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.909154][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.916881][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.943295][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.954441][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.963251][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.973539][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.982827][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.998796][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.008511][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.022961][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.035855][ T8399] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.055328][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.065653][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.082112][ T8399] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.103769][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.125301][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.135055][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.144910][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.156989][ T8399] device veth0_vlan entered promiscuous mode [ 56.171549][ T8399] device veth1_vlan entered promiscuous mode [ 56.204460][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.213379][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.224123][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.236570][ T8399] device veth0_macvtap entered promiscuous mode [ 56.248936][ T8399] device veth1_macvtap entered promiscuous mode [ 56.263576][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.278674][ T8399] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.288177][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.298880][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.313425][ T8399] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.324559][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.336032][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.349139][ T8399] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.359184][ T8399] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.369944][ T8399] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.379822][ T8399] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.475194][ T25] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.501152][ T25] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.518831][ T66] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.523840][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.529210][ T66] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.546753][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.791797][ T8658] INFO: trying to register non-static key. [ 56.798724][ T8658] the code is fine but needs lockdep annotation. [ 56.805388][ T8658] turning off the locking correctness validator. [ 56.812154][ T8658] CPU: 0 PID: 8658 Comm: syz-executor.0 Not tainted 5.12.0-rc4-syzkaller #0 [ 56.821639][ T8658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.833235][ T8658] Call Trace: [ 56.836696][ T8658] dump_stack+0x176/0x24e [ 56.841283][ T8658] register_lock_class+0xd87/0x1310 [ 56.846911][ T8658] __lock_acquire+0x106/0x5e60 [ 56.852153][ T8658] ? try_to_wake_up+0x64a/0xa90 [ 56.857523][ T8658] ? mark_lock+0x13a/0x1fe0 [ 56.862473][ T8658] ? rcu_read_lock_sched_held+0x41/0xb0 [ 56.868161][ T8658] lock_acquire+0x126/0x650 [ 56.872901][ T8658] ? skb_queue_purge+0x2e/0x1c0 [ 56.877886][ T8658] ? _raw_spin_lock_irqsave+0x4d/0xa0 [ 56.883532][ T8658] _raw_spin_lock_irqsave+0x73/0xa0 [ 56.889157][ T8658] ? skb_queue_purge+0x2e/0x1c0 [ 56.894227][ T8658] skb_queue_purge+0x2e/0x1c0 [ 56.898910][ T8658] ? l2cap_chan_del+0x400/0x610 [ 56.904170][ T8658] l2cap_sock_shutdown+0x421/0x880 [ 56.909575][ T8658] l2cap_sock_release+0x68/0x1c0 [ 56.914535][ T8658] sock_close+0xd8/0x260 [ 56.918915][ T8658] ? sock_mmap+0x90/0x90 [ 56.923402][ T8658] __fput+0x352/0x7b0 [ 56.927407][ T8658] task_work_run+0x146/0x1c0 [ 56.932386][ T8658] get_signal+0x1e47/0x1ef0 [ 56.937263][ T8658] ? __local_bh_enable_ip+0xf8/0x170 [ 56.942963][ T8658] ? kick_process+0xd6/0x140 [ 56.947617][ T8658] ? fput_many+0x159/0x1a0 [ 56.952598][ T8658] arch_do_signal_or_restart+0x41/0x620 [ 56.959047][ T8658] ? exit_to_user_mode_prepare+0x49/0x1e0 [ 56.964918][ T8658] exit_to_user_mode_prepare+0xac/0x1e0 [ 56.970850][ T8658] ? trace_irq_disable_rcuidle+0x11/0x170 [ 56.978254][ T8658] syscall_exit_to_user_mode+0x26/0x70 [ 56.984477][ T8658] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 56.991346][ T8658] RIP: 0033:0x466459 [ 56.995454][ T8658] 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 [ 57.017038][ T8658] RSP: 002b:00007fb8e2a75188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 57.026759][ T8658] RAX: fffffffffffffffc RBX: 000000000056c008 RCX: 0000000000466459 [ 57.036156][ T8658] RDX: 000000000000000e RSI: 0000000020000040 RDI: 0000000000000006 [ 57.044577][ T8658] RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 [ 57.052548][ T8658] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 57.061681][ T8658] R13: 00007ffd19b3c86f R14: 00007fb8e2a75300 R15: 0000000000022000 [ 57.119538][ T5] Bluetooth: hci0: command 0x0409 tx timeout 2021/03/23 10:55:43 executed programs: 77 [ 59.198975][ T36] Bluetooth: hci0: command 0x041b tx timeout [ 61.278880][ T8098] Bluetooth: hci0: command 0x040f tx timeout [ 63.358272][ T8098] Bluetooth: hci0: command 0x0419 tx timeout 2021/03/23 10:55:48 executed programs: 287 [ 65.447812][ T4882] Bluetooth: hci0: command 0x0405 tx timeout