[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts. syzkaller login: [ 165.935311][ T6840] IPVS: ftp: loaded support on port[0] = 21 [ 166.036100][ T6840] chnl_net:caif_netlink_parms(): no params data found [ 166.085332][ T6840] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.093399][ T6840] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.102658][ T6840] device bridge_slave_0 entered promiscuous mode [ 166.111665][ T6840] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.119153][ T6840] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.126850][ T6840] device bridge_slave_1 entered promiscuous mode [ 166.146481][ T6840] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 166.159072][ T6840] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 166.182129][ T6840] team0: Port device team_slave_0 added [ 166.189794][ T6840] team0: Port device team_slave_1 added [ 166.206488][ T6840] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 166.213518][ T6840] 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. [ 166.239758][ T6840] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 166.252116][ T6840] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 166.259176][ T6840] 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. [ 166.285536][ T6840] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 166.312420][ T6840] device hsr_slave_0 entered promiscuous mode [ 166.319392][ T6840] device hsr_slave_1 entered promiscuous mode [ 166.416126][ T6840] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 166.427202][ T6840] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 166.438638][ T6840] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 166.448371][ T6840] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 166.473624][ T6840] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.480786][ T6840] bridge0: port 2(bridge_slave_1) entered forwarding state [ 166.488709][ T6840] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.495793][ T6840] bridge0: port 1(bridge_slave_0) entered forwarding state [ 166.541046][ T6840] 8021q: adding VLAN 0 to HW filter on device bond0 [ 166.553913][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 166.565942][ T3913] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.574887][ T3913] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.583255][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 166.595945][ T6840] 8021q: adding VLAN 0 to HW filter on device team0 [ 166.606761][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 166.615873][ T6794] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.623210][ T6794] bridge0: port 1(bridge_slave_0) entered forwarding state [ 166.639989][ T3913] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 166.649786][ T3913] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.656830][ T3913] bridge0: port 2(bridge_slave_1) entered forwarding state [ 166.678925][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 166.688704][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 166.697023][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 166.707049][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 166.718011][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 166.729475][ T6840] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 166.750172][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 166.759855][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 166.773348][ T6840] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.792454][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 166.813144][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 166.821530][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 166.830080][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 166.842156][ T6840] device veth0_vlan entered promiscuous mode [ 166.854065][ T6840] device veth1_vlan entered promiscuous mode [ 166.875729][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 166.884659][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 166.893301][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 166.904737][ T6840] device veth0_macvtap entered promiscuous mode [ 166.915390][ T6840] device veth1_macvtap entered promiscuous mode [ 166.933603][ T6840] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 166.941914][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 166.952035][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 166.964408][ T6840] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 166.972190][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 166.983098][ T6840] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 166.993228][ T6840] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 167.002273][ T6840] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 167.011026][ T6840] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 167.063879][ T7050] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 167.127103][ T7050] bond0: (slave tunl0): ether type (768) is different from other slaves (1), can not enslave it executing program [ 167.201353][ T7050] syz-executor543 (7050) used greatest stack depth: 23616 bytes left [ 167.221913][ T7057] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 167.295511][ T7057] bond0: (slave erspan0): Enslaving as an active interface with an up link executing program [ 167.430151][ T7057] syz-executor543 (7057) used greatest stack depth: 23608 bytes left [ 167.450894][ T7064] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 167.519142][ T7064] bond0: (slave sit0): ether type (776) is different from other slaves (1), can not enslave it executing program [ 167.810536][ T7071] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 167.891304][ T7071] bond0: (slave syz_tun): Enslaving as an active interface with an up link [ 168.020572][ T7071] bond0: (slave syz_tun): Releasing backup interface executing program [ 168.100451][ T7080] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 168.163708][ T7080] bond0: (slave vcan0): ether type (280) is different from other slaves (1), can not enslave it executing program [ 168.300730][ T7089] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 168.371938][ T7089] bond0: (slave dummy0): Enslaving as an active interface with an up link [ 168.508765][ T7089] bond0: (slave dummy0): Releasing backup interface executing program [ 168.572266][ T7098] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 168.641885][ T7098] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 168.658706][ T7098] bond0: (slave batadv0): Enslaving as an active interface with an up link [ 168.734056][ T7098] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 168.741841][ T7098] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 168.752139][ T7098] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 168.760315][ T7098] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 168.815124][ T7098] bond0: (slave batadv0): Releasing backup interface executing program [ 168.899414][ T7098] syz-executor543 (7098) used greatest stack depth: 23600 bytes left [ 168.912865][ T7108] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 168.980687][ T7108] bond0: (slave veth1): Enslaving as an active interface with an up link [ 169.256075][ T7108] bond0: (slave veth1): Releasing backup interface executing program [ 169.319647][ T7119] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 169.375003][ T7119] bond0: (slave wg1): ether type (65534) is different from other slaves (1), can not enslave it executing program [ 169.561412][ T7128] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 169.616143][ T7128] bridge0: port 1(bridge_slave_0) entered disabled state [ 169.624879][ T7128] device bridge_slave_0 left promiscuous mode [ 169.634098][ T7128] bridge0: port 1(bridge_slave_0) entered disabled state [ 169.650743][ T7128] bond0: (slave bridge_slave_0): Enslaving as an active interface with an up link executing program [ 169.867779][ T7128] bond0: (slave bridge_slave_0): Releasing backup interface [ 169.991238][ T7139] bond0: (slave veth0_to_bond): Enslaving as an active interface with an up link executing program [ 170.160674][ T7139] bond0: (slave veth0_to_bond): Releasing backup interface [ 170.171729][ T7139] bond0: (slave bond_slave_0): Releasing backup interface [ 170.442347][ T7155] bond0: (slave bond_slave_1): Releasing backup interface executing program [ 170.570109][ T7161] bond0: (slave veth1_to_team): Enslaving as an active interface with an up link [ 170.788644][ T7161] bond0: (slave veth1_to_team): Releasing backup interface [ 170.801112][ T7161] team0: Port device team_slave_1 removed executing program [ 170.960125][ T7172] bond0: (slave batadv_slave_0): Enslaving as an active interface with an up link executing program [ 171.221687][ T7172] bond0: (slave batadv_slave_0): Releasing backup interface [ 171.339208][ T7183] bond0: (slave veth0_to_hsr): Enslaving as an active interface with an up link [ 171.563564][ T7183] bond0: (slave veth0_to_hsr): Releasing backup interface [ 171.574970][ T7183] device hsr_slave_0 left promiscuous mode executing program [ 171.675159][ T7194] bond0: (slave hsr_slave_1): Error: Device is in use and cannot be enslaved [ 171.863674][ T7195] device hsr_slave_1 left promiscuous mode executing program [ 172.069432][ T7207] __nla_validate_parse: 6 callbacks suppressed [ 172.069438][ T7207] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 172.148968][ T7207] bond0: (slave veth0_virt_wifi): Enslaving as an active interface with an up link [ 172.422012][ T7207] bond0: (slave veth0_virt_wifi): Releasing backup interface executing program [ 172.510886][ T7220] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 172.828335][ T7220] bond0: (slave veth0_vlan): Error: Device is in use and cannot be enslaved [ 172.847323][ T7220] syz-executor543 (7220) used greatest stack depth: 23240 bytes left executing program [ 173.519953][ T7244] netlink: 12 bytes leftover after parsing attributes in process `syz-executor543'. [ 173.551485][ T7244] 8021q: adding VLAN 0 to HW filter on device bond1 [ 173.559875][ T7244] bond0: (slave bond1): Enslaving as an active interface with an up link [ 173.571755][ T7244] bond1: (slave vcan0): The slave device specified does not support setting the MAC address [ 173.583535][ T7244] bond1: (slave vcan0): Error -22 calling dev_set_mtu [ 173.637872][ T7280] bond1 (unregistering): Released all slaves [ 173.644211][ T7280] ------------[ cut here ]------------ [ 173.649905][ T7280] WARNING: CPU: 0 PID: 7280 at net/core/dev.c:9304 rollback_registered_many+0xecd/0x1210 [ 173.660389][ T7280] Kernel panic - not syncing: panic_on_warn set ... [ 173.666981][ T7280] CPU: 0 PID: 7280 Comm: syz-executor543 Not tainted 5.8.0-syzkaller #0 [ 173.675312][ T7280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.685781][ T7280] Call Trace: [ 173.689061][ T7280] dump_stack+0x18f/0x20d [ 173.693375][ T7280] panic+0x2e3/0x75c [ 173.697248][ T7280] ? __warn_printk+0xf3/0xf3 [ 173.701828][ T7280] ? printk+0xba/0xed [ 173.705794][ T7280] ? log_store.cold+0x16/0x16 [ 173.710472][ T7280] ? __warn.cold+0x5/0x4a [ 173.714776][ T7280] ? __warn+0xd6/0x1f2 [ 173.718841][ T7280] ? rollback_registered_many+0xecd/0x1210 [ 173.724624][ T7280] __warn.cold+0x20/0x4a [ 173.728847][ T7280] ? rollback_registered_many+0xecd/0x1210 [ 173.734631][ T7280] report_bug+0x1bd/0x210 [ 173.738944][ T7280] handle_bug+0x38/0x90 [ 173.743078][ T7280] exc_invalid_op+0x14/0x40 [ 173.747584][ T7280] asm_exc_invalid_op+0x12/0x20 [ 173.752412][ T7280] RIP: 0010:rollback_registered_many+0xecd/0x1210 [ 173.758815][ T7280] Code: 0a 1b 00 00 48 c7 c6 40 d7 fe 88 48 c7 c7 80 d7 fe 88 c6 05 b6 e1 71 04 01 e8 71 18 0a fb 0f 0b e9 13 fc ff ff e8 d3 14 39 fb <0f> 0b e9 ea fb ff ff e8 c7 14 39 fb 0f 0b e9 29 fc ff ff e8 3b 25 [ 173.778430][ T7280] RSP: 0018:ffffc90002df7290 EFLAGS: 00010293 [ 173.784477][ T7280] RAX: 0000000000000000 RBX: 00000000a650bd01 RCX: ffffffff863b3396 [ 173.792451][ T7280] RDX: ffff8880874fc540 RSI: ffffffff863b37ad RDI: 0000000000000001 [ 173.800404][ T7280] RBP: ffff8880a5edef80 R08: 0000000000000000 R09: ffffffff8a7e4067 [ 173.808363][ T7280] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 173.816314][ T7280] R13: ffff8880925b0000 R14: dffffc0000000000 R15: ffff8880a5edef80 [ 173.824454][ T7280] ? rollback_registered_many+0xab6/0x1210 [ 173.830620][ T7280] ? rollback_registered_many+0xecd/0x1210 [ 173.839488][ T7280] ? flush_backlog+0x640/0x640 [ 173.844798][ T7280] ? unregister_netdevice_queue+0x216/0x570 [ 173.850679][ T7280] ? unregister_netdevice_many+0x50/0x50 [ 173.856405][ T7280] unregister_netdevice_many.part.0+0x1a/0x2f0 [ 173.862657][ T7280] ? unregister_netdevice_many+0x50/0x50 [ 173.868691][ T7280] unregister_netdevice_many+0x36/0x50 [ 173.874236][ T7280] rtnl_dellink+0x34a/0xa60 [ 173.878726][ T7280] ? _raw_spin_unlock_irq+0x1f/0x80 [ 173.883907][ T7280] ? rtnl_link_get_net_capable.constprop.0+0x390/0x390 [ 173.890737][ T7280] ? trace_hardirqs_on+0x5f/0x220 [ 173.895741][ T7280] ? lockdep_hardirqs_on+0x76/0xf0 [ 173.901017][ T7280] ? mutex_lock_io_nested+0xf60/0xf60 [ 173.906501][ T7280] ? lock_is_held_type+0xbb/0xf0 [ 173.911454][ T7280] ? rtnl_link_get_net_capable.constprop.0+0x390/0x390 [ 173.919953][ T7280] rtnetlink_rcv_msg+0x44e/0xad0 [ 173.924917][ T7280] ? rtnetlink_put_metrics+0x510/0x510 [ 173.930478][ T7280] ? lock_acquire+0x1f1/0xad0 [ 173.935403][ T7280] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 173.941501][ T7280] netlink_rcv_skb+0x15a/0x430 [ 173.946797][ T7280] ? rtnetlink_put_metrics+0x510/0x510 [ 173.952862][ T7280] ? netlink_ack+0xa10/0xa10 [ 173.957462][ T7280] netlink_unicast+0x533/0x7d0 [ 173.962318][ T7280] ? netlink_attachskb+0x810/0x810 [ 173.968182][ T7280] ? _copy_from_iter_full+0x247/0x890 [ 173.973712][ T7280] ? __phys_addr+0x9a/0x110 [ 173.978399][ T7280] ? __phys_addr_symbol+0x2c/0x70 [ 173.983492][ T7280] ? __check_object_size+0x171/0x3e4 [ 173.989158][ T7280] netlink_sendmsg+0x856/0xd90 [ 173.993952][ T7280] ? netlink_unicast+0x7d0/0x7d0 [ 173.998978][ T7280] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 174.004851][ T7280] ? netlink_unicast+0x7d0/0x7d0 [ 174.009786][ T7280] sock_sendmsg+0xcf/0x120 [ 174.014180][ T7280] ____sys_sendmsg+0x6e8/0x810 [ 174.018931][ T7280] ? kernel_sendmsg+0x50/0x50 [ 174.023588][ T7280] ? do_recvmmsg+0x6d0/0x6d0 [ 174.028713][ T7280] ? mark_lock+0xbc/0x1710 [ 174.033537][ T7280] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 174.039940][ T7280] ? __lock_acquire+0xbb5/0x5640 [ 174.045101][ T7280] ___sys_sendmsg+0xf3/0x170 [ 174.049908][ T7280] ? sendmsg_copy_msghdr+0x160/0x160 [ 174.057167][ T7280] ? __fget_files+0x272/0x400 [ 174.062282][ T7280] ? lock_downgrade+0x830/0x830 [ 174.067491][ T7280] ? percpu_counter_add_batch+0x126/0x180 [ 174.073730][ T7280] ? __fget_files+0x294/0x400 [ 174.078398][ T7280] ? __fget_light+0xea/0x280 [ 174.083003][ T7280] __sys_sendmsg+0xe5/0x1b0 [ 174.087777][ T7280] ? __sys_sendmsg_sock+0xb0/0xb0 [ 174.093008][ T7280] ? trace_hardirqs_on+0x5f/0x220 [ 174.098654][ T7280] ? lockdep_hardirqs_on+0x76/0xf0 [ 174.103756][ T7280] do_syscall_64+0x2d/0x70 [ 174.108249][ T7280] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 174.114121][ T7280] RIP: 0033:0x44b1a9 [ 174.118184][ T7280] Code: e8 9c 14 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 4b 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 174.138042][ T7280] RSP: 002b:00007f8155c28d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 174.146818][ T7280] RAX: ffffffffffffffda RBX: 00000000006e7a58 RCX: 000000000044b1a9 [ 174.154881][ T7280] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000009 [ 174.164231][ T7280] RBP: 00000000006e7a50 R08: 0000000000000000 R09: 0000000000000000 [ 174.172187][ T7280] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e7a5c [ 174.180172][ T7280] R13: 0000000000000000 R14: 0000000000000000 R15: 068500100000003c [ 174.189953][ T7280] Kernel Offset: disabled [ 174.194280][ T7280] Rebooting in 86400 seconds..