[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.172' (ECDSA) to the list of known hosts. 2020/10/14 16:11:12 parsed 1 programs 2020/10/14 16:11:13 executed programs: 0 syzkaller login: [ 1589.297041][ T6878] IPVS: ftp: loaded support on port[0] = 21 [ 1589.466004][ T6878] chnl_net:caif_netlink_parms(): no params data found [ 1589.521687][ T6878] bridge0: port 1(bridge_slave_0) entered blocking state [ 1589.529194][ T6878] bridge0: port 1(bridge_slave_0) entered disabled state [ 1589.538552][ T6878] device bridge_slave_0 entered promiscuous mode [ 1589.547579][ T6878] bridge0: port 2(bridge_slave_1) entered blocking state [ 1589.555266][ T6878] bridge0: port 2(bridge_slave_1) entered disabled state [ 1589.563641][ T6878] device bridge_slave_1 entered promiscuous mode [ 1589.585178][ T6878] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1589.596540][ T6878] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1589.620050][ T6878] team0: Port device team_slave_0 added [ 1589.628080][ T6878] team0: Port device team_slave_1 added [ 1589.647463][ T6878] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1589.654456][ T6878] 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. [ 1589.681188][ T6878] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1589.695105][ T6878] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1589.702041][ T6878] 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. [ 1589.729830][ T6878] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1589.758381][ T6878] device hsr_slave_0 entered promiscuous mode [ 1589.765718][ T6878] device hsr_slave_1 entered promiscuous mode [ 1589.868411][ T6878] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1589.878240][ T6878] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1589.895056][ T6878] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1589.906960][ T6878] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1589.930394][ T6878] bridge0: port 2(bridge_slave_1) entered blocking state [ 1589.937550][ T6878] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1589.945354][ T6878] bridge0: port 1(bridge_slave_0) entered blocking state [ 1589.952423][ T6878] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1590.003341][ T6878] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1590.018739][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1590.029565][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 1590.038130][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 1590.047432][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1590.060746][ T6878] 8021q: adding VLAN 0 to HW filter on device team0 [ 1590.073245][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1590.081612][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 1590.088755][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1590.104116][ T6847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1590.112466][ T6847] bridge0: port 2(bridge_slave_1) entered blocking state [ 1590.119600][ T6847] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1590.144553][ T6847] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1590.153742][ T6847] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1590.162124][ T6847] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1590.177164][ T6878] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1590.190580][ T6878] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1590.200212][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1590.209401][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1590.231190][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1590.239141][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1590.252286][ T6878] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1590.272789][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1590.294930][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1590.304531][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1590.312165][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1590.324446][ T6878] device veth0_vlan entered promiscuous mode [ 1590.337753][ T6878] device veth1_vlan entered promiscuous mode [ 1590.360757][ T7101] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1590.370780][ T7101] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1590.379775][ T7101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1590.391831][ T6878] device veth0_macvtap entered promiscuous mode [ 1590.403231][ T6878] device veth1_macvtap entered promiscuous mode [ 1590.422017][ T6878] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1590.429504][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1590.439407][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1590.452296][ T6878] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1590.460934][ T7101] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1590.470333][ T7101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1590.481730][ T6878] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1590.491488][ T6878] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1590.500712][ T6878] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1590.509985][ T6878] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1590.586961][ T21] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1590.612300][ T21] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1590.643360][ T6921] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1590.645251][ T7019] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1590.651277][ T6921] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1590.673029][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1591.283741][ T7019] Bluetooth: hci0: command 0x0409 tx timeout 2020/10/14 16:11:18 executed programs: 64 [ 1593.363149][ T7019] Bluetooth: hci0: command 0x041b tx timeout [ 1595.442730][ T7101] Bluetooth: hci0: command 0x040f tx timeout [ 1597.522632][ T7101] Bluetooth: hci0: command 0x0419 tx timeout 2020/10/14 16:11:23 executed programs: 194 2020/10/14 16:11:28 executed programs: 330 2020/10/14 16:11:33 executed programs: 466 2020/10/14 16:11:38 executed programs: 605 2020/10/14 16:11:43 executed programs: 746 2020/10/14 16:11:48 executed programs: 884 2020/10/14 16:11:53 executed programs: 1029 2020/10/14 16:11:58 executed programs: 1169 2020/10/14 16:12:03 executed programs: 1310 2020/10/14 16:12:08 executed programs: 1445 2020/10/14 16:12:13 executed programs: 1580 2020/10/14 16:12:18 executed programs: 1723 2020/10/14 16:12:23 executed programs: 1852 2020/10/14 16:12:28 executed programs: 1989 2020/10/14 16:12:33 executed programs: 2123 2020/10/14 16:12:38 executed programs: 2260 2020/10/14 16:12:43 executed programs: 2394 2020/10/14 16:12:48 executed programs: 2531 2020/10/14 16:12:53 executed programs: 2668 2020/10/14 16:12:58 executed programs: 2804 2020/10/14 16:13:03 executed programs: 2941 2020/10/14 16:13:08 executed programs: 3076 2020/10/14 16:13:13 executed programs: 3212 [ 1711.444928][ T7019] Bluetooth: hci0: command 0x0406 tx timeout 2020/10/14 16:13:18 executed programs: 3353 2020/10/14 16:13:23 executed programs: 3488 2020/10/14 16:13:28 executed programs: 3625 2020/10/14 16:13:33 executed programs: 3763 2020/10/14 16:13:38 executed programs: 3893 2020/10/14 16:13:43 executed programs: 4024 2020/10/14 16:13:48 executed programs: 4161 2020/10/14 16:13:53 executed programs: 4291 2020/10/14 16:13:58 executed programs: 4431 2020/10/14 16:14:03 executed programs: 4566 2020/10/14 16:14:08 executed programs: 4726 2020/10/14 16:14:13 executed programs: 5042 2020/10/14 16:14:18 executed programs: 5348 2020/10/14 16:14:23 executed programs: 5652 2020/10/14 16:14:28 executed programs: 5945 2020/10/14 16:14:33 executed programs: 6242 2020/10/14 16:14:38 executed programs: 6523 2020/10/14 16:14:43 executed programs: 6832 2020/10/14 16:14:48 executed programs: 7117 2020/10/14 16:14:53 executed programs: 7396 2020/10/14 16:14:58 executed programs: 7681 2020/10/14 16:15:03 executed programs: 7959 2020/10/14 16:15:08 executed programs: 8240 2020/10/14 16:15:13 executed programs: 8543 2020/10/14 16:15:18 executed programs: 8834 [ 1836.559502][ T4673] ------------[ cut here ]------------ [ 1836.565276][ T4673] WARNING: CPU: 1 PID: 4673 at kernel/locking/lockdep.c:853 register_lock_class+0x1f0/0x1630 [ 1836.575818][ T4673] Kernel panic - not syncing: panic_on_warn set ... [ 1836.582643][ T4673] CPU: 1 PID: 4673 Comm: syz-executor.0 Not tainted 5.9.0-rc8-syzkaller #0 [ 1836.591359][ T4673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1836.601520][ T4673] Call Trace: [ 1836.605055][ T4673] dump_stack+0x198/0x1fd [ 1836.610540][ T4673] panic+0x382/0x7fb [ 1836.614622][ T4673] ? __warn_printk+0xf3/0xf3 [ 1836.619235][ T4673] ? printk+0xba/0xed [ 1836.623212][ T4673] ? log_store.cold+0x16/0x16 [ 1836.628106][ T4673] ? __warn.cold+0x5/0x4b [ 1836.632511][ T4673] ? __warn+0xd6/0x1f2 [ 1836.636576][ T4673] ? register_lock_class+0x1f0/0x1630 [ 1836.641940][ T4673] __warn.cold+0x20/0x4b [ 1836.646189][ T4673] ? register_lock_class+0x1f0/0x1630 [ 1836.651590][ T4673] report_bug+0x1bd/0x210 [ 1836.655980][ T4673] handle_bug+0x38/0x90 [ 1836.660142][ T4673] exc_invalid_op+0x14/0x40 [ 1836.664874][ T4673] asm_exc_invalid_op+0x12/0x20 [ 1836.669722][ T4673] RIP: 0010:register_lock_class+0x1f0/0x1630 [ 1836.675876][ T4673] Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 fd 0f 00 00 4d 3b 67 18 74 0b 49 81 3f 00 e5 9a 8c 74 02 <0f> 0b 85 ed 0f 84 b2 00 00 00 f6 44 24 04 01 0f 85 a7 00 00 00 83 [ 1836.695983][ T4673] RSP: 0018:ffffc9000962fa40 EFLAGS: 00010006 [ 1836.702250][ T4673] RAX: dffffc0000000000 RBX: 1ffff920012c5f4f RCX: ffffffff8d442160 [ 1836.710529][ T4673] RDX: 1ffff110152c9a17 RSI: 0000000000000000 RDI: ffff8880a964d0b8 [ 1836.718911][ T4673] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 1836.727515][ T4673] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff89444680 [ 1836.735848][ T4673] R13: ffffffff8dfe8900 R14: ffffffff8d107ac8 R15: ffff8880a964d0a0 [ 1836.743846][ T4673] ? is_dynamic_key+0x1a0/0x1a0 [ 1836.748706][ T4673] ? lock_is_held_type+0xbb/0xf0 [ 1836.754018][ T4673] ? find_held_lock+0x2d/0x110 [ 1836.758777][ T4673] __lock_acquire+0x101/0x5780 [ 1836.763537][ T4673] ? lock_downgrade+0x830/0x830 [ 1836.768529][ T4673] ? aa_profile_af_perm+0x2e0/0x2e0 [ 1836.773765][ T4673] ? tomoyo_check_unix_acl+0x100/0x100 [ 1836.779308][ T4673] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 1836.785278][ T4673] ? tomoyo_check_inet_address+0xe6/0x710 [ 1836.791226][ T4673] ? tomoyo_unix_entry+0x5f0/0x5f0 [ 1836.796333][ T4673] lock_acquire+0x1f3/0xaf0 [ 1836.800919][ T4673] ? lock_sock_nested+0x3b/0x110 [ 1836.805857][ T4673] ? lock_is_held_type+0xbb/0xf0 [ 1836.810907][ T4673] ? lock_release+0x8f0/0x8f0 [ 1836.815582][ T4673] ? lock_is_held_type+0xbb/0xf0 [ 1836.820523][ T4673] _raw_spin_lock_bh+0x2f/0x40 [ 1836.825422][ T4673] ? lock_sock_nested+0x3b/0x110 [ 1836.830353][ T4673] lock_sock_nested+0x3b/0x110 [ 1836.835247][ T4673] inet_autobind+0x1a/0x190 [ 1836.839814][ T4673] inet_dgram_connect+0x245/0x2d0 [ 1836.845066][ T4673] ? inet_autobind+0x190/0x190 [ 1836.849859][ T4673] __sys_connect_file+0x155/0x1a0 [ 1836.855083][ T4673] __sys_connect+0x161/0x190 [ 1836.859663][ T4673] ? __sys_connect_file+0x1a0/0x1a0 [ 1836.864865][ T4673] ? lock_is_held_type+0xbb/0xf0 [ 1836.870243][ T4673] ? lock_is_held_type+0xbb/0xf0 [ 1836.875172][ T4673] ? syscall_enter_from_user_mode+0x1d/0x60 [ 1836.881156][ T4673] ? check_preemption_disabled+0x50/0x130 [ 1836.887256][ T4673] __x64_sys_connect+0x6f/0xb0 [ 1836.892147][ T4673] ? syscall_enter_from_user_mode+0x1d/0x60 [ 1836.898112][ T4673] do_syscall_64+0x2d/0x70 [ 1836.902618][ T4673] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1836.908713][ T4673] RIP: 0033:0x45de59 [ 1836.912685][ T4673] Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1836.932902][ T4673] RSP: 002b:00007f1de7a07c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 1836.941699][ T4673] RAX: ffffffffffffffda RBX: 0000000000002380 RCX: 000000000045de59 [ 1836.949663][ T4673] RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000004 [ 1836.957889][ T4673] RBP: 000000000118c008 R08: 0000000000000000 R09: 0000000000000000 [ 1836.966137][ T4673] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4 [ 1836.974112][ T4673] R13: 00007fff6bacfbaf R14: 00007f1de7a089c0 R15: 000000000118bfd4 [ 1836.983763][ T4673] Kernel Offset: disabled [ 1836.988156][ T4673] Rebooting in 86400 seconds..