[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Warning: Permanently added '10.128.1.80' (ECDSA) to the list of known hosts. 2021/03/30 19:06:15 parsed 1 programs Debian GNU/Linux 9 syzkaller ttyS0 2021/03/30 19:06:15 executed programs: 0 syzkaller login: [ 82.139826][ T37] audit: type=1400 audit(1617131175.958:8): avc: denied { execmem } for pid=8387 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 83.264520][ T8388] IPVS: ftp: loaded support on port[0] = 21 [ 83.420591][ T8388] chnl_net:caif_netlink_parms(): no params data found [ 83.474984][ T8388] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.483553][ T8388] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.492866][ T8388] device bridge_slave_0 entered promiscuous mode [ 83.503008][ T8388] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.510523][ T8388] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.518538][ T8388] device bridge_slave_1 entered promiscuous mode [ 83.541784][ T8388] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.553023][ T8388] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.579080][ T8388] team0: Port device team_slave_0 added [ 83.586741][ T8388] team0: Port device team_slave_1 added [ 83.603937][ T8388] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 83.610986][ T8388] 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. [ 83.637131][ T8388] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 83.650662][ T8388] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 83.657954][ T8388] 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. [ 83.684939][ T8388] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.713622][ T8388] device hsr_slave_0 entered promiscuous mode [ 83.721136][ T8388] device hsr_slave_1 entered promiscuous mode [ 83.838509][ T8388] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.857845][ T8388] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.867740][ T8388] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.879260][ T8388] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.908528][ T8388] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.915850][ T8388] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.924244][ T8388] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.931525][ T8388] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.983055][ T8388] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.998178][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 84.013856][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.022656][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.032122][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 84.048456][ T8388] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.068986][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.078671][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.085783][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.093944][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.103209][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.110642][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.127410][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.138753][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 84.162888][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.171517][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 84.180619][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.194630][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.213578][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 84.222046][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 84.238699][ T8388] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.259541][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 84.282765][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 84.292070][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 84.300977][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 84.312715][ T8388] device veth0_vlan entered promiscuous mode [ 84.325717][ T8388] device veth1_vlan entered promiscuous mode [ 84.351090][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 84.361381][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 84.370315][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 84.382583][ T8388] device veth0_macvtap entered promiscuous mode [ 84.394218][ T8388] device veth1_macvtap entered promiscuous mode [ 84.416802][ T8388] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.424518][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 84.434091][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 84.447826][ T8388] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.458505][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 84.467510][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 84.480218][ T8388] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.489211][ T8388] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.499616][ T8388] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.508742][ T8388] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.609464][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.646653][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.670236][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.700676][ T224] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.709413][ T224] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.720573][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 85.100800][ T8653] INFO: trying to register non-static key. [ 85.106660][ T8653] the code is fine but needs lockdep annotation. [ 85.112993][ T8653] turning off the locking correctness validator. [ 85.119367][ T8653] CPU: 0 PID: 8653 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 85.129268][ T8653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.139826][ T8653] Call Trace: [ 85.143121][ T8653] dump_stack+0x141/0x1d7 [ 85.147550][ T8653] register_lock_class+0x106b/0x1170 [ 85.153930][ T8653] ? is_dynamic_key+0x1a0/0x1a0 [ 85.159071][ T8653] ? try_to_wake_up+0x62d/0x14a0 [ 85.164364][ T8653] __lock_acquire+0x106/0x54c0 [ 85.170617][ T8653] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 85.176635][ T8653] lock_acquire+0x1ab/0x740 [ 85.181160][ T8653] ? skb_dequeue+0x1c/0x180 [ 85.185676][ T8653] ? lock_release+0x720/0x720 [ 85.190371][ T8653] ? __queue_work+0x63c/0xf00 [ 85.195061][ T8653] ? _raw_spin_lock_irqsave+0x4e/0x50 [ 85.200474][ T8653] _raw_spin_lock_irqsave+0x39/0x50 [ 85.205685][ T8653] ? skb_dequeue+0x1c/0x180 [ 85.210186][ T8653] skb_dequeue+0x1c/0x180 [ 85.214536][ T8653] skb_queue_purge+0x21/0x30 [ 85.219822][ T8653] l2cap_chan_del+0x5f3/0xa80 [ 85.224514][ T8653] l2cap_chan_close+0x1bc/0xaf0 [ 85.229745][ T8653] ? l2cap_rx+0x1fb0/0x1fb0 [ 85.235290][ T8653] ? __mutex_unlock_slowpath+0xe2/0x610 [ 85.241266][ T8653] ? wait_for_completion_io+0x270/0x270 [ 85.246810][ T8653] ? __local_bh_enable_ip+0xa0/0x120 [ 85.252093][ T8653] l2cap_sock_shutdown+0x3e7/0x1100 [ 85.257300][ T8653] ? l2cap_sock_suspend_cb+0x80/0x80 [ 85.262715][ T8653] ? find_held_lock+0x2d/0x110 [ 85.267481][ T8653] ? l2cap_sock_release+0x65/0x200 [ 85.272682][ T8653] ? lock_downgrade+0x6e0/0x6e0 [ 85.277530][ T8653] ? do_raw_read_unlock+0x70/0x70 [ 85.282657][ T8653] l2cap_sock_release+0x72/0x200 [ 85.287614][ T8653] __sock_release+0xcd/0x280 [ 85.292229][ T8653] sock_close+0x18/0x20 [ 85.296398][ T8653] __fput+0x288/0x920 [ 85.300425][ T8653] ? __sock_release+0x280/0x280 [ 85.305293][ T8653] task_work_run+0xdd/0x1a0 [ 85.309816][ T8653] get_signal+0x1ba2/0x2150 [ 85.314316][ T8653] ? l2cap_sock_connect+0x356/0x6c0 [ 85.319509][ T8653] ? __local_bh_enable_ip+0xa0/0x120 [ 85.324805][ T8653] ? l2cap_sock_recv_cb+0x1e0/0x1e0 [ 85.330205][ T8653] ? selinux_netlbl_socket_connect+0x2e/0x40 [ 85.336223][ T8653] ? kick_process+0xe0/0x180 [ 85.340813][ T8653] arch_do_signal_or_restart+0x2a8/0x1eb0 [ 85.346543][ T8653] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 85.352798][ T8653] ? fput_many.part.0+0xc6/0x170 [ 85.357838][ T8653] ? fput+0x3b/0x50 [ 85.361642][ T8653] ? copy_siginfo_to_user32+0xa0/0xa0 [ 85.367026][ T8653] ? __sys_connect_file+0x1a0/0x1a0 [ 85.372338][ T8653] exit_to_user_mode_prepare+0x148/0x250 [ 85.378081][ T8653] syscall_exit_to_user_mode+0x19/0x60 [ 85.383908][ T8653] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 85.390012][ T8653] RIP: 0033:0x466459 [ 85.394795][ T8653] 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 [ 85.419053][ T8653] RSP: 002b:00007ffbe9ff6188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 85.428137][ T8653] RAX: fffffffffffffffc RBX: 000000000056c008 RCX: 0000000000466459 [ 85.436221][ T8653] RDX: 000000000000000e RSI: 0000000020000040 RDI: 0000000000000007 [ 85.444207][ T8653] RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 [ 85.452609][ T8653] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 85.460579][ T8653] R13: 00007ffc7c209bbf R14: 00007ffbe9ff6300 R15: 0000000000022000 [ 85.471751][ T8] Bluetooth: hci0: command 0x0409 tx timeout 2021/03/30 19:06:20 executed programs: 52 [ 87.504815][ T20] Bluetooth: hci0: command 0x041b tx timeout [ 89.576597][ T20] Bluetooth: hci0: command 0x040f tx timeout [ 91.656345][ T36] Bluetooth: hci0: command 0x0419 tx timeout 2021/03/30 19:06:25 executed programs: 199 [ 93.736330][ T20] Bluetooth: hci0: command 0x0405 tx timeout