[ OK ] Reached target Login Prompts. [ 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 syzkaller login: [ 332.209822][ T262] kworker/dying (262) used greatest stack depth: 24256 bytes left Warning: Permanently added '10.128.0.107' (ECDSA) to the list of known hosts. 2021/02/14 02:19:07 parsed 1 programs 2021/02/14 02:19:08 executed programs: 0 [ 1586.559283][ T8443] IPVS: ftp: loaded support on port[0] = 21 [ 1586.725295][ T8443] chnl_net:caif_netlink_parms(): no params data found [ 1586.777981][ T8443] bridge0: port 1(bridge_slave_0) entered blocking state [ 1586.786052][ T8443] bridge0: port 1(bridge_slave_0) entered disabled state [ 1586.794960][ T8443] device bridge_slave_0 entered promiscuous mode [ 1586.804591][ T8443] bridge0: port 2(bridge_slave_1) entered blocking state [ 1586.812651][ T8443] bridge0: port 2(bridge_slave_1) entered disabled state [ 1586.822771][ T8443] device bridge_slave_1 entered promiscuous mode [ 1586.844597][ T8443] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1586.856303][ T8443] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1586.879673][ T8443] team0: Port device team_slave_0 added [ 1586.887808][ T8443] team0: Port device team_slave_1 added [ 1586.906577][ T8443] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1586.913739][ T8443] 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. [ 1586.939897][ T8443] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1586.952629][ T8443] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1586.959912][ T8443] 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. [ 1586.986005][ T8443] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1587.013045][ T8443] device hsr_slave_0 entered promiscuous mode [ 1587.020253][ T8443] device hsr_slave_1 entered promiscuous mode [ 1587.120645][ T8443] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1587.131558][ T8443] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1587.142985][ T8443] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1587.153795][ T8443] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1587.178123][ T8443] bridge0: port 2(bridge_slave_1) entered blocking state [ 1587.185379][ T8443] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1587.193533][ T8443] bridge0: port 1(bridge_slave_0) entered blocking state [ 1587.200683][ T8443] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1587.243237][ T8443] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1587.256107][ T8584] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1587.268545][ T8584] bridge0: port 1(bridge_slave_0) entered disabled state [ 1587.277668][ T8584] bridge0: port 2(bridge_slave_1) entered disabled state [ 1587.285429][ T8584] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1587.300512][ T8443] 8021q: adding VLAN 0 to HW filter on device team0 [ 1587.312417][ T8415] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1587.321949][ T8415] bridge0: port 1(bridge_slave_0) entered blocking state [ 1587.329264][ T8415] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1587.349668][ T8415] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1587.358374][ T8415] bridge0: port 2(bridge_slave_1) entered blocking state [ 1587.365421][ T8415] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1587.380172][ T8584] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1587.389312][ T8584] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1587.402555][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1587.414541][ T8584] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1587.428000][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1587.440645][ T8443] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1587.458352][ T8584] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1587.468335][ T8584] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1587.482838][ T8443] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1587.501858][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1587.521855][ T8584] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1587.531415][ T8584] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1587.541236][ T8584] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1587.553593][ T8443] device veth0_vlan entered promiscuous mode [ 1587.565055][ T8443] device veth1_vlan entered promiscuous mode [ 1587.587398][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1587.595750][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1587.604409][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1587.615928][ T8443] device veth0_macvtap entered promiscuous mode [ 1587.626116][ T8443] device veth1_macvtap entered promiscuous mode [ 1587.644162][ T8443] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1587.651691][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1587.661726][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1587.675204][ T8443] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1587.683021][ T8584] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1587.695471][ T8443] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1587.705548][ T8443] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1587.714557][ T8443] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1587.723363][ T8443] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1587.806346][ T8533] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.815022][ T8533] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1587.844737][ T64] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1587.854160][ T8415] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1587.854342][ T64] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1587.873404][ T8415] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1588.587805][ T8585] Bluetooth: hci0: command 0x0409 tx timeout 2021/02/14 02:19:13 executed programs: 88 [ 1590.667161][ T8585] Bluetooth: hci0: command 0x041b tx timeout [ 1592.746515][ T8585] Bluetooth: hci0: command 0x040f tx timeout [ 1594.826796][ T8585] Bluetooth: hci0: command 0x0419 tx timeout [ 1595.206319][ T9734] ------------[ cut here ]------------ [ 1595.211834][ T9734] WARNING: CPU: 0 PID: 9734 at kernel/locking/lockdep.c:895 register_lock_class+0x1fc/0x12b0 [ 1595.222134][ T9734] Modules linked in: [ 1595.226052][ T9734] CPU: 0 PID: 9734 Comm: syz-executor.0 Not tainted 5.11.0-rc7-syzkaller #0 [ 1595.234731][ T9734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1595.244790][ T9734] RIP: 0010:register_lock_class+0x1fc/0x12b0 [ 1595.250779][ T9734] Code: 00 4c 3b 33 74 2b 43 80 3c 2c 00 74 08 4c 89 ff e8 59 f6 5f 00 48 c7 c0 60 48 3b 8f 49 39 07 44 8b 64 24 04 0f 84 52 09 00 00 <0f> 0b e9 4b 09 00 00 44 8b 64 24 04 e9 41 09 00 00 e8 de 5a ed 07 [ 1595.270478][ T9734] RSP: 0018:ffffc9000993fab0 EFLAGS: 00010002 [ 1595.276549][ T9734] RAX: ffffffff8f3b4860 RBX: ffff888017ea17f8 RCX: ffffffff8ff5ca03 [ 1595.284542][ T9734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888017ea17e0 [ 1595.292497][ T9734] RBP: ffffffff8f72d5c0 R08: 0000000000000001 R09: 0000000000000000 [ 1595.300539][ T9734] R10: fffffbfff1b6727e R11: 0000000000000000 R12: 0000000000000000 [ 1595.308514][ T9734] R13: dffffc0000000000 R14: ffffffff8acc9b40 R15: ffff888017ea17e0 [ 1595.316489][ T9734] FS: 00007fb9f3026700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 1595.325404][ T9734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1595.331971][ T9734] CR2: 000055b7fb0e5550 CR3: 00000000122a1000 CR4: 00000000001506f0 [ 1595.339929][ T9734] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1595.347883][ T9734] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1595.355841][ T9734] Call Trace: [ 1595.359132][ T9734] __lock_acquire+0x107/0x5e90 [ 1595.363888][ T9734] ? rcu_lock_release+0x5/0x20 [ 1595.368720][ T9734] lock_acquire+0x114/0x5e0 [ 1595.373207][ T9734] ? lock_sock_nested+0x43/0x110 [ 1595.378223][ T9734] ? lock_sock_nested+0x43/0x110 [ 1595.383156][ T9734] ? lock_sock_nested+0x43/0x110 [ 1595.388079][ T9734] _raw_spin_lock_bh+0x31/0x40 [ 1595.392952][ T9734] ? lock_sock_nested+0x43/0x110 [ 1595.397871][ T9734] lock_sock_nested+0x43/0x110 [ 1595.402615][ T9734] inet_dgram_connect+0x131/0x360 [ 1595.407691][ T9734] ? security_socket_connect+0x9d/0xb0 [ 1595.413166][ T9734] __sys_connect+0x2da/0x360 [ 1595.417768][ T9734] ? syscall_enter_from_user_mode+0x24/0x190 [ 1595.423743][ T9734] __x64_sys_connect+0x76/0x80 [ 1595.428490][ T9734] do_syscall_64+0x2d/0x70 [ 1595.432925][ T9734] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1595.438797][ T9734] RIP: 0033:0x465d99 [ 1595.442671][ T9734] 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 [ 1595.463610][ T9734] RSP: 002b:00007fb9f3026188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 1595.472801][ T9734] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465d99 [ 1595.480753][ T9734] RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000004 [ 1595.488822][ T9734] RBP: 00000000004bcf27 R08: 0000000000000000 R09: 0000000000000000 [ 1595.496772][ T9734] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1595.504719][ T9734] R13: 00007fff78b1416f R14: 00007fb9f3026300 R15: 0000000000022000 [ 1595.512675][ T9734] Kernel panic - not syncing: panic_on_warn set ... [ 1595.519233][ T9734] CPU: 0 PID: 9734 Comm: syz-executor.0 Not tainted 5.11.0-rc7-syzkaller #0 [ 1595.527884][ T9734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1595.538031][ T9734] Call Trace: [ 1595.541313][ T9734] dump_stack+0x137/0x1be [ 1595.545715][ T9734] ? panic+0x1f3/0x800 [ 1595.549812][ T9734] panic+0x291/0x800 [ 1595.553692][ T9734] ? __warn+0x13e/0x270 [ 1595.557840][ T9734] __warn+0x26a/0x270 [ 1595.561800][ T9734] ? register_lock_class+0x1fc/0x12b0 [ 1595.567352][ T9734] ? register_lock_class+0x1fc/0x12b0 [ 1595.572701][ T9734] report_bug+0x1b1/0x2e0 [ 1595.577109][ T9734] handle_bug+0x3d/0x70 [ 1595.581248][ T9734] exc_invalid_op+0x16/0x40 [ 1595.585735][ T9734] asm_exc_invalid_op+0x12/0x20 [ 1595.590565][ T9734] RIP: 0010:register_lock_class+0x1fc/0x12b0 [ 1595.596787][ T9734] Code: 00 4c 3b 33 74 2b 43 80 3c 2c 00 74 08 4c 89 ff e8 59 f6 5f 00 48 c7 c0 60 48 3b 8f 49 39 07 44 8b 64 24 04 0f 84 52 09 00 00 <0f> 0b e9 4b 09 00 00 44 8b 64 24 04 e9 41 09 00 00 e8 de 5a ed 07 [ 1595.616456][ T9734] RSP: 0018:ffffc9000993fab0 EFLAGS: 00010002 [ 1595.622513][ T9734] RAX: ffffffff8f3b4860 RBX: ffff888017ea17f8 RCX: ffffffff8ff5ca03 [ 1595.630473][ T9734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888017ea17e0 [ 1595.638557][ T9734] RBP: ffffffff8f72d5c0 R08: 0000000000000001 R09: 0000000000000000 [ 1595.646525][ T9734] R10: fffffbfff1b6727e R11: 0000000000000000 R12: 0000000000000000 [ 1595.654486][ T9734] R13: dffffc0000000000 R14: ffffffff8acc9b40 R15: ffff888017ea17e0 [ 1595.662453][ T9734] __lock_acquire+0x107/0x5e90 [ 1595.667205][ T9734] ? rcu_lock_release+0x5/0x20 [ 1595.671957][ T9734] lock_acquire+0x114/0x5e0 [ 1595.676442][ T9734] ? lock_sock_nested+0x43/0x110 [ 1595.681363][ T9734] ? lock_sock_nested+0x43/0x110 [ 1595.686282][ T9734] ? lock_sock_nested+0x43/0x110 [ 1595.691207][ T9734] _raw_spin_lock_bh+0x31/0x40 [ 1595.695950][ T9734] ? lock_sock_nested+0x43/0x110 [ 1595.700866][ T9734] lock_sock_nested+0x43/0x110 [ 1595.705610][ T9734] inet_dgram_connect+0x131/0x360 [ 1595.710617][ T9734] ? security_socket_connect+0x9d/0xb0 [ 1595.716056][ T9734] __sys_connect+0x2da/0x360 [ 1595.720625][ T9734] ? syscall_enter_from_user_mode+0x24/0x190 [ 1595.726581][ T9734] __x64_sys_connect+0x76/0x80 [ 1595.731346][ T9734] do_syscall_64+0x2d/0x70 [ 1595.735743][ T9734] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1595.741614][ T9734] RIP: 0033:0x465d99 [ 1595.745506][ T9734] 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 [ 1595.765093][ T9734] RSP: 002b:00007fb9f3026188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 1595.773486][ T9734] RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465d99 [ 1595.781440][ T9734] RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000004 [ 1595.789400][ T9734] RBP: 00000000004bcf27 R08: 0000000000000000 R09: 0000000000000000 [ 1595.797345][ T9734] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 [ 1595.805289][ T9734] R13: 00007fff78b1416f R14: 00007fb9f3026300 R15: 0000000000022000 [ 1595.813875][ T9734] Kernel Offset: disabled [ 1595.818192][ T9734] Rebooting in 86400 seconds..