Warning: Permanently added '10.128.10.51' (ECDSA) to the list of known hosts. [ 35.601980] audit: type=1400 audit(1587546566.698:8): avc: denied { execmem } for pid=6328 comm="syz-executor821" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 35.860395] IPVS: ftp: loaded support on port[0] = 21 [ 36.670756] chnl_net:caif_netlink_parms(): no params data found [ 36.740992] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.747589] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.755604] device bridge_slave_0 entered promiscuous mode [ 36.763361] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.770068] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.776993] device bridge_slave_1 entered promiscuous mode [ 36.794424] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 36.803423] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 36.823143] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 36.830442] team0: Port device team_slave_0 added [ 36.835961] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 36.843638] team0: Port device team_slave_1 added [ 36.859889] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.866151] 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. [ 36.891450] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.902817] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.909139] 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. [ 36.934388] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.945343] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 36.953547] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 37.010735] device hsr_slave_0 entered promiscuous mode [ 37.058643] device hsr_slave_1 entered promiscuous mode [ 37.099145] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 37.106250] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 37.172699] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.179201] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.185968] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.192379] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.223355] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 37.230285] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.239682] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 37.247834] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.266527] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.273852] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.284588] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 37.290862] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.300038] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.307727] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.314175] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.323832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.332244] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.338694] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.359129] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.366935] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.374732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.382846] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.392162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.401881] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 37.409686] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.423385] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 37.431322] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 37.439487] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 37.450440] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.503889] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 37.513965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.543735] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 37.551216] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 37.557662] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 37.567426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.575494] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.582924] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.592491] device veth0_vlan entered promiscuous mode [ 37.601748] device veth1_vlan entered promiscuous mode [ 37.607561] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 37.616961] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 37.630262] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 37.639855] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 37.646949] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 37.655495] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.663761] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 37.673795] device veth0_macvtap entered promiscuous mode [ 37.682985] device veth1_macvtap entered promiscuous mode [ 37.692036] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 37.701725] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 37.711643] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 37.718995] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.726064] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 37.734210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.743936] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 37.751353] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.759112] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.766803] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.039218] Illegal XDP return value 1146576387, expect packet loss! [ 38.046143] ------------[ cut here ]------------ [ 38.051019] WARNING: CPU: 1 PID: 18 at net/core/filter.c:3649 bpf_warn_invalid_xdp_action.cold+0x3c/0x43 [ 38.060629] Kernel panic - not syncing: panic_on_warn set ... [ 38.060629] [ 38.067986] CPU: 1 PID: 18 Comm: kworker/1:0 Not tainted 4.14.176-syzkaller #0 [ 38.075338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.084710] Workqueue: ipv6_addrconf addrconf_dad_work [ 38.089980] Call Trace: [ 38.092566] dump_stack+0x13e/0x194 [ 38.096202] panic+0x1f9/0x42d [ 38.099738] ? add_taint.cold+0x16/0x16 [ 38.103735] ? bpf_warn_invalid_xdp_action.cold+0x3c/0x43 [ 38.109292] ? bpf_warn_invalid_xdp_action.cold+0x3c/0x43 [ 38.114820] __warn.cold+0x2f/0x30 [ 38.118373] ? ist_end_non_atomic+0x10/0x10 [ 38.122696] ? bpf_warn_invalid_xdp_action.cold+0x3c/0x43 [ 38.128237] report_bug+0x20a/0x248 [ 38.131862] do_error_trap+0x195/0x2d0 [ 38.135737] ? math_error+0x2d0/0x2d0 [ 38.139539] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.144380] invalid_op+0x1b/0x40 [ 38.147847] RIP: 0010:bpf_warn_invalid_xdp_action.cold+0x3c/0x43 [ 38.153983] RSP: 0018:ffff8880a98df440 EFLAGS: 00010282 [ 38.159351] RAX: 0000000000000038 RBX: 0000000044575e03 RCX: 0000000000000000 [ 38.166731] RDX: 0000000000000000 RSI: ffffffff86ac07e0 RDI: ffffed101531be7e [ 38.173998] RBP: ffffffff8738d700 R08: 0000000000000038 R09: 0000000000000000 [ 38.181286] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000044575e03 [ 38.188564] R13: 0000000000000000 R14: ffff88808e8f6546 R15: ffff88808e8f6504 [ 38.195862] do_xdp_generic.part.0+0x513/0x9e0 [ 38.200467] ? generic_xdp_tx+0x680/0x680 [ 38.204615] netif_rx_internal+0x330/0x800 [ 38.208857] ? eth_type_trans+0x284/0x5e0 [ 38.213022] ? do_xdp_generic+0x40/0x40 [ 38.216989] ? eth_gro_receive+0x820/0x820 [ 38.221225] ? sock_wfree+0xd0/0x130 [ 38.224935] ? __dev_forward_skb+0x1f9/0x450 [ 38.229350] dev_forward_skb+0x39/0x50 [ 38.233236] veth_xmit+0xf1/0x300 [ 38.236700] dev_hard_start_xmit+0x186/0x890 [ 38.241112] __dev_queue_xmit+0x1d91/0x25c0 [ 38.245432] ? netdev_pick_tx+0x2e0/0x2e0 [ 38.249572] ? find_held_lock+0x2d/0x110 [ 38.253645] ? ip6_finish_output2+0x992/0x2150 [ 38.258242] ? memcpy+0x35/0x50 [ 38.261519] ? neigh_resolve_output+0x50a/0x8b0 [ 38.266193] neigh_resolve_output+0x50a/0x8b0 [ 38.270707] ip6_finish_output2+0x992/0x2150 [ 38.275116] ? ip6_forward_finish+0x470/0x470 [ 38.279605] ? __lock_is_held+0xad/0x140 [ 38.283685] ? lock_downgrade+0x6e0/0x6e0 [ 38.287838] ? ip6_finish_output+0x4d9/0xaf0 [ 38.292237] ip6_finish_output+0x4d9/0xaf0 [ 38.296629] ip6_output+0x1c9/0x650 [ 38.300308] ? ip6_finish_output+0xaf0/0xaf0 [ 38.304739] ? ip6_fragment+0x3150/0x3150 [ 38.308894] ndisc_send_skb+0xb56/0x11e0 [ 38.312968] ? ndisc_error_report+0x180/0x180 [ 38.317467] ? skb_set_owner_w+0x1af/0x2f0 [ 38.321701] ndisc_send_ns+0x360/0x7e0 [ 38.325586] ? addrconf_dad_work+0x9bd/0xfc0 [ 38.329990] ? ndisc_netdev_event+0x3c0/0x3c0 [ 38.334477] ? mark_held_locks+0xa6/0xf0 [ 38.338537] ? __local_bh_enable_ip+0x94/0x190 [ 38.343118] addrconf_dad_work+0xa81/0xfc0 [ 38.347351] ? addrconf_dad_completed+0xa70/0xa70 [ 38.352190] process_one_work+0x813/0x1540 [ 38.356448] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 38.361132] ? worker_thread+0x15d/0x1070 [ 38.365275] ? _raw_spin_unlock_irq+0x24/0x80 [ 38.369770] worker_thread+0x5d1/0x1070 [ 38.373775] ? process_one_work+0x1540/0x1540 [ 38.378304] kthread+0x30d/0x420 [ 38.381665] ? kthread_create_on_node+0xd0/0xd0 [ 38.386343] ret_from_fork+0x24/0x30 [ 38.390978] Kernel Offset: disabled [ 38.394650] Rebooting in 86400 seconds..