Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. 2021/01/21 14:58:48 parsed 1 programs 2021/01/21 14:58:48 executed programs: 0 syzkaller login: [ 31.324892] IPVS: ftp: loaded support on port[0] = 21 [ 31.412389] chnl_net:caif_netlink_parms(): no params data found [ 31.484369] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.491225] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.498385] device bridge_slave_0 entered promiscuous mode [ 31.506634] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.513686] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.521005] device bridge_slave_1 entered promiscuous mode [ 31.539016] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 31.548669] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 31.566849] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 31.577619] team0: Port device team_slave_0 added [ 31.584781] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 31.592180] team0: Port device team_slave_1 added [ 31.608400] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 31.615095] 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. [ 31.641093] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 31.652394] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 31.658641] 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. [ 31.684385] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 31.696552] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 31.704170] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 31.722394] device hsr_slave_0 entered promiscuous mode [ 31.728046] device hsr_slave_1 entered promiscuous mode [ 31.734318] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 31.741448] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 31.803574] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.810029] bridge0: port 2(bridge_slave_1) entered forwarding state [ 31.816830] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.823249] bridge0: port 1(bridge_slave_0) entered forwarding state [ 31.851426] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 31.857616] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.867431] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 31.876776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 31.885865] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.893568] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.904447] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 31.910758] 8021q: adding VLAN 0 to HW filter on device team0 [ 31.918924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 31.927419] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.933862] bridge0: port 1(bridge_slave_0) entered forwarding state [ 31.955428] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 31.965332] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 31.976899] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 31.984338] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 31.992488] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.998854] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.006349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 32.014503] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 32.022422] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 32.030218] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 32.038235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 32.045250] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 32.057066] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 32.064987] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 32.072490] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 32.083908] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 32.135814] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 32.146097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 32.176146] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 32.183553] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 32.191132] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 32.200587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 32.208141] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 32.216014] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 32.225227] device veth0_vlan entered promiscuous mode [ 32.234543] device veth1_vlan entered promiscuous mode [ 32.240821] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 32.249509] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 32.260856] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 32.270323] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 32.277743] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 32.286279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 32.296133] device veth0_macvtap entered promiscuous mode [ 32.303840] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 32.312254] device veth1_macvtap entered promiscuous mode [ 32.321314] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 32.330664] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 32.341272] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 32.348562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 32.358190] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 32.368601] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 32.376016] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 32.399155] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 32.493019] gre0: Master is either lo or non-ether device [ 32.551889] ip_vti0: Master is either lo or non-ether device [ 32.571550] ip6_vti0: Master is either lo or non-ether device [ 32.589496] sit0: Master is either lo or non-ether device [ 32.605659] ip6tnl0: Master is either lo or non-ether device [ 32.622808] ip6gre0: Master is either lo or non-ether device [ 32.694791] syz-executor.0 (8284) used greatest stack depth: 25000 bytes left [ 32.772984] vcan0: Master is either lo or non-ether device [ 32.904653] nlmon0: Master is either lo or non-ether device [ 32.945631] syz-executor.0 (8326) used greatest stack depth: 24632 bytes left [ 32.961852] caif0: Master is either lo or non-ether device [ 33.066586] vxcan0: Master is either lo or non-ether device [ 33.116550] vxcan1: Master is either lo or non-ether device [ 33.339771] Bluetooth: hci0 command 0x0409 tx timeout [ 33.378444] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.406084] bridge_slave_0: Device is already in use. [ 33.414318] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.422875] device bridge_slave_0 left promiscuous mode [ 33.430320] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.552700] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.570523] bridge_slave_1: Device is already in use. [ 33.576826] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.584628] device bridge_slave_1 left promiscuous mode [ 33.590770] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.721664] bond_slave_0: Device is already in use. [ 33.749685] bond0: Releasing backup interface bond_slave_0 [ 33.871428] bond_slave_1: Device is already in use. [ 33.884112] bond0: Releasing backup interface bond_slave_1 [ 34.031834] team_slave_0: Device is already in use. [ 34.045283] team0: Port device team_slave_0 removed [ 34.180317] team_slave_1: Device is already in use. [ 34.200588] team0: Port device team_slave_1 removed [ 34.324661] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 34.336438] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 34.347121] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 34.357473] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 34.444906] syz-executor.0 (8530) used greatest stack depth: 24384 bytes left [ 34.482690] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 34.515159] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 34.525492] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 34.541392] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 34.681056] hsr_slave_0: Device is already in use. [ 34.689831] device hsr_slave_0 left promiscuous mode [ 34.800109] hsr_slave_1: Device is already in use. [ 34.808590] device hsr_slave_1 left promiscuous mode [ 35.016203] veth1_vlan: Device is already in use. [ 35.096771] ------------[ cut here ]------------ [ 35.101569] WARNING: CPU: 1 PID: 8638 at drivers/net/ipvlan/ipvlan_main.c:63 ipvlan_unregister_nf_hook+0x230/0x260 [ 35.112678] Kernel panic - not syncing: panic_on_warn set ... [ 35.112678] [ 35.120079] CPU: 1 PID: 8638 Comm: syz-executor.0 Not tainted 4.14.216-syzkaller #0 [ 35.128054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.137414] Call Trace: [ 35.140732] dump_stack+0x1b2/0x281 [ 35.144388] panic+0x1f9/0x42d [ 35.147588] ? add_taint.cold+0x16/0x16 [ 35.151683] ? ipvlan_unregister_nf_hook+0x230/0x260 [ 35.156876] ? ipvlan_unregister_nf_hook+0x230/0x260 [ 35.161971] __warn.cold+0x20/0x44 [ 35.165511] ? ist_end_non_atomic+0x10/0x10 [ 35.170647] ? ipvlan_unregister_nf_hook+0x230/0x260 [ 35.175756] report_bug+0x208/0x250 [ 35.179396] do_error_trap+0x195/0x2d0 [ 35.183282] ? math_error+0x2d0/0x2d0 [ 35.187075] ? trace_hardirqs_on+0x10/0x10 [ 35.191404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.196480] invalid_op+0x1b/0x40 [ 35.199941] RIP: 0010:ipvlan_unregister_nf_hook+0x230/0x260 [ 35.205632] RSP: 0018:ffff88808f9a73e8 EFLAGS: 00010297 [ 35.211068] RAX: ffff88809fcb61c0 RBX: 0000000000000000 RCX: 1ffff11013f96d4e [ 35.218643] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000282 [ 35.226584] RBP: ffff8880950a0040 R08: 0000000000000000 R09: 0000000000000001 [ 35.233929] R10: 0000000000000000 R11: ffff88809fcb61c0 R12: ffff8880b2de59c0 [ 35.241221] R13: ffff8880aff02780 R14: 0000000000000000 R15: ffff8880afdde9c0 [ 35.249070] ? ipvlan_unregister_nf_hook+0x230/0x260 [ 35.254349] ipvlan_set_port_mode+0x491/0x5a0 [ 35.258852] ipvlan_link_new+0xba2/0xfa0 [ 35.263018] rtnl_newlink+0xf88/0x1830 [ 35.266897] ? __lock_acquire+0x5fc/0x3f20 [ 35.271126] ? ipvlan_port_destroy+0x3f0/0x3f0 [ 35.275712] ? trace_hardirqs_on+0x10/0x10 [ 35.279932] ? rtnl_dellink+0x6a0/0x6a0 [ 35.283907] ? trace_hardirqs_on+0x10/0x10 [ 35.288147] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 35.294110] ? deref_stack_reg+0x124/0x1a0 [ 35.298450] ? lock_acquire+0x170/0x3f0 [ 35.302423] ? lock_downgrade+0x740/0x740 [ 35.306693] ? rtnl_dellink+0x6a0/0x6a0 [ 35.310669] rtnetlink_rcv_msg+0x3be/0xb10 [ 35.314899] ? rtnl_calcit.isra.0+0x3a0/0x3a0 [ 35.319380] ? __netlink_lookup+0x345/0x5d0 [ 35.323695] netlink_rcv_skb+0x125/0x390 [ 35.327767] ? rtnl_calcit.isra.0+0x3a0/0x3a0 [ 35.332268] ? netlink_ack+0x9a0/0x9a0 [ 35.336173] netlink_unicast+0x437/0x610 [ 35.340240] ? netlink_sendskb+0xd0/0xd0 [ 35.344610] ? __check_object_size+0x179/0x230 [ 35.349186] netlink_sendmsg+0x62e/0xb80 [ 35.353271] ? nlmsg_notify+0x170/0x170 [ 35.357249] ? kernel_recvmsg+0x210/0x210 [ 35.361388] ? security_socket_sendmsg+0x83/0xb0 [ 35.366135] ? nlmsg_notify+0x170/0x170 [ 35.370215] sock_sendmsg+0xb5/0x100 [ 35.373914] ___sys_sendmsg+0x6c8/0x800 [ 35.377887] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 35.382624] ? __lock_acquire+0x5fc/0x3f20 [ 35.386890] ? do_futex+0x12b/0x1980 [ 35.390702] ? trace_hardirqs_on+0x10/0x10 [ 35.394924] ? __might_fault+0x104/0x1b0 [ 35.398981] ? trace_hardirqs_on+0x10/0x10 [ 35.403224] ? lock_acquire+0x170/0x3f0 [ 35.407201] ? lock_downgrade+0x740/0x740 [ 35.411353] ? futex_exit_release+0x220/0x220 [ 35.415833] ? __might_fault+0x104/0x1b0 [ 35.419907] ? lock_acquire+0x170/0x3f0 [ 35.423894] ? lock_downgrade+0x740/0x740 [ 35.428027] ? __fdget+0x167/0x1f0 [ 35.431571] ? sockfd_lookup_light+0xb2/0x160 [ 35.436091] __sys_sendmsg+0xa3/0x120 [ 35.440027] ? SyS_shutdown+0x160/0x160 [ 35.444015] ? SyS_clock_gettime+0xf5/0x180 [ 35.448419] ? SyS_clock_settime+0x1a0/0x1a0 [ 35.452823] SyS_sendmsg+0x27/0x40 [ 35.456354] ? __sys_sendmsg+0x120/0x120 [ 35.460406] do_syscall_64+0x1d5/0x640 [ 35.464293] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.469505] RIP: 0033:0x45e219 [ 35.472775] RSP: 002b:00007ffece31d058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.480584] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219 [ 35.488021] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 [ 35.495537] RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 35.503124] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000ba6 [ 35.510382] R13: 0000000000000000 R14: 0000000000000003 R15: 000000000119bf8c [ 35.518386] Kernel Offset: disabled [ 35.522019] Rebooting in 86400 seconds..