Warning: Permanently added '10.128.0.231' (ECDSA) to the list of known hosts. syzkaller login: [ 85.336528][ T9602] IPVS: ftp: loaded support on port[0] = 21 [ 85.392321][ T9602] chnl_net:caif_netlink_parms(): no params data found [ 85.432311][ T9602] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.439847][ T9602] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.447883][ T9602] device bridge_slave_0 entered promiscuous mode [ 85.456863][ T9602] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.464093][ T9602] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.472093][ T9602] device bridge_slave_1 entered promiscuous mode [ 85.491254][ T9602] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.502128][ T9602] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.523522][ T9602] team0: Port device team_slave_0 added [ 85.531063][ T9602] team0: Port device team_slave_1 added [ 85.546907][ T9602] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 85.553878][ T9602] 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. [ 85.579993][ T9602] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 85.592440][ T9602] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 85.599438][ T9602] 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. [ 85.625349][ T9602] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 85.687650][ T9602] device hsr_slave_0 entered promiscuous mode [ 85.745670][ T9602] device hsr_slave_1 entered promiscuous mode [ 85.873743][ T9602] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 85.929098][ T9602] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 85.988727][ T9602] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 86.068666][ T9602] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 86.141165][ T9602] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.148519][ T9602] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.156465][ T9602] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.163589][ T9602] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.210360][ T9602] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.223683][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.233576][ T2950] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.242282][ T2950] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.250794][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 86.265249][ T9602] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.277727][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.287367][ T2817] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.294421][ T2817] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.315854][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.324250][ T2950] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.331355][ T2950] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.339846][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.349570][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 86.361442][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.377725][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 86.387108][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 86.399530][ T9602] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 86.419649][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 86.428210][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 86.441688][ T9602] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 86.461224][ T2951] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 86.470404][ T2951] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 86.491034][ T9602] device veth0_vlan entered promiscuous mode [ 86.498141][ T2951] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 86.506810][ T2951] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 86.517755][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 86.525906][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 86.538625][ T9602] device veth1_vlan entered promiscuous mode [ 86.559082][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 86.568185][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 86.576624][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 86.585152][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 86.599068][ T9602] device veth0_macvtap entered promiscuous mode [ 86.609521][ T9602] device veth1_macvtap entered promiscuous mode [ 86.627963][ T9602] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 86.635773][ T2951] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 86.644093][ T2951] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 86.652529][ T2951] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 86.661637][ T2951] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 86.677776][ T9602] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 86.685848][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 86.694613][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 86.858554][ T9607] ------------[ cut here ]------------ [ 86.864219][ T9607] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 86.873755][ T9607] WARNING: CPU: 1 PID: 9607 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 86.883380][ T9607] Kernel panic - not syncing: panic_on_warn set ... [ 86.889973][ T9607] CPU: 1 PID: 9607 Comm: syz-executor634 Not tainted 5.6.0-rc3-next-20200228-syzkaller #0 [ 86.899839][ T9607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.909878][ T9607] Call Trace: [ 86.913160][ T9607] dump_stack+0x188/0x20d [ 86.917484][ T9607] ? debug_print_object+0xb0/0x250 [ 86.922596][ T9607] panic+0x2e3/0x75c [ 86.926484][ T9607] ? add_taint.cold+0x16/0x16 [ 86.931164][ T9607] ? __probe_kernel_read+0x188/0x1d0 [ 86.936439][ T9607] ? __warn.cold+0x14/0x35 [ 86.940862][ T9607] ? __warn+0xd5/0x1c8 [ 86.944921][ T9607] ? debug_print_object+0x160/0x250 [ 86.950099][ T9607] __warn.cold+0x2f/0x35 [ 86.954375][ T9607] ? debug_print_object+0x160/0x250 [ 86.959616][ T9607] report_bug+0x27b/0x2f0 [ 86.963933][ T9607] do_error_trap+0x12b/0x220 [ 86.968533][ T9607] ? debug_print_object+0x160/0x250 [ 86.973746][ T9607] do_invalid_op+0x32/0x40 [ 86.978147][ T9607] ? debug_print_object+0x160/0x250 [ 86.983377][ T9607] invalid_op+0x23/0x30 [ 86.988405][ T9607] RIP: 0010:debug_print_object+0x160/0x250 [ 86.994204][ T9607] Code: dd 00 25 72 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 00 25 72 88 48 c7 c7 60 1a 72 88 e8 48 06 b1 fd <0f> 0b 83 05 bb f8 f2 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 87.013811][ T9607] RSP: 0018:ffffc900020f7168 EFLAGS: 00010286 [ 87.019877][ T9607] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 87.027841][ T9607] RDX: 0000000000000000 RSI: ffffffff815c4e91 RDI: fffff5200041ee1f [ 87.035818][ T9607] RBP: 0000000000000001 R08: ffff88809732c1c0 R09: ffffed1015ce6661 [ 87.043858][ T9607] R10: ffffed1015ce6660 R11: ffff8880ae733307 R12: ffffffff899adb60 [ 87.051985][ T9607] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200041ee3a [ 87.060178][ T9607] ? vprintk_func+0x81/0x17e [ 87.064758][ T9607] ? debug_print_object+0x160/0x250 [ 87.069975][ T9607] ? lockdep_hardirqs_on+0x417/0x5d0 [ 87.075370][ T9607] debug_object_activate+0x346/0x470 [ 87.080644][ T9607] ? debug_object_init_on_stack+0x20/0x20 [ 87.086354][ T9607] ? route4_change+0xbb4/0x2250 [ 87.091188][ T9607] ? lock_downgrade+0x7f0/0x7f0 [ 87.096023][ T9607] ? delayed_work_timer_fn+0x90/0x90 [ 87.101293][ T9607] call_rcu+0x2c/0x7e0 [ 87.105380][ T9607] queue_rcu_work+0x82/0xa0 [ 87.109906][ T9607] route4_change+0xe8e/0x2250 [ 87.114599][ T9607] ? route4_destroy+0x820/0x820 [ 87.119505][ T9607] ? wait_for_completion+0x3c0/0x3c0 [ 87.124785][ T9607] tc_new_tfilter+0xa59/0x20b0 [ 87.129542][ T9607] ? route4_destroy+0x820/0x820 [ 87.134379][ T9607] ? tc_del_tfilter+0x1430/0x1430 [ 87.139410][ T9607] ? apparmor_capable+0x49c/0x8a0 [ 87.144438][ T9607] ? rcu_read_lock_held+0x9c/0xb0 [ 87.149448][ T9607] ? tc_del_tfilter+0x1430/0x1430 [ 87.154463][ T9607] rtnetlink_rcv_msg+0x810/0xad0 [ 87.159400][ T9607] ? rtnl_bridge_getlink+0x880/0x880 [ 87.164667][ T9607] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 87.169936][ T9607] ? __copy_skb_header+0x290/0x5b0 [ 87.175027][ T9607] ? skb_splice_bits+0x1a0/0x1a0 [ 87.179960][ T9607] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 87.185769][ T9607] ? kmem_cache_alloc+0x261/0x730 [ 87.190804][ T9607] netlink_rcv_skb+0x15a/0x410 [ 87.195561][ T9607] ? rtnl_bridge_getlink+0x880/0x880 [ 87.200896][ T9607] ? netlink_ack+0xa80/0xa80 [ 87.205597][ T9607] netlink_unicast+0x537/0x740 [ 87.210372][ T9607] ? netlink_attachskb+0x810/0x810 [ 87.215481][ T9607] ? _copy_from_iter_full+0x25c/0x870 [ 87.220835][ T9607] ? __phys_addr_symbol+0x2c/0x70 [ 87.225842][ T9607] ? __check_object_size+0x171/0x437 [ 87.231111][ T9607] netlink_sendmsg+0x882/0xe10 [ 87.235861][ T9607] ? aa_af_perm+0x260/0x260 [ 87.240344][ T9607] ? netlink_unicast+0x740/0x740 [ 87.245287][ T9607] ? netlink_unicast+0x740/0x740 [ 87.250216][ T9607] sock_sendmsg+0xcf/0x120 [ 87.254610][ T9607] ____sys_sendmsg+0x6b9/0x7d0 [ 87.259366][ T9607] ? kernel_sendmsg+0x50/0x50 [ 87.264135][ T9607] ___sys_sendmsg+0x100/0x170 [ 87.268805][ T9607] ? sendmsg_copy_msghdr+0x70/0x70 [ 87.273926][ T9607] ? __fget_files+0x329/0x4f0 [ 87.278603][ T9607] ? do_dup2+0x520/0x520 [ 87.282847][ T9607] ? __fget_light+0x208/0x270 [ 87.287582][ T9607] __sys_sendmsg+0xec/0x1b0 [ 87.292082][ T9607] ? __sys_sendmsg_sock+0xb0/0xb0 [ 87.297086][ T9607] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 87.303674][ T9607] ? __x64_sys_futex+0x380/0x4f0 [ 87.308617][ T9607] ? trace_hardirqs_off_caller+0x55/0x230 [ 87.314346][ T9607] ? do_syscall_64+0x21/0x790 [ 87.319027][ T9607] do_syscall_64+0xf6/0x790 [ 87.323522][ T9607] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.329405][ T9607] RIP: 0033:0x4492a9 [ 87.333305][ T9607] Code: e8 1c 1a 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 2b 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.352921][ T9607] RSP: 002b:00007fcc67a2ed98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 87.361343][ T9607] RAX: ffffffffffffffda RBX: 00000000006dfc68 RCX: 00000000004492a9 [ 87.369308][ T9607] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 87.377261][ T9607] RBP: 00000000006dfc60 R08: 0000000000000000 R09: 0000000000000000 [ 87.385305][ T9607] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dfc6c [ 87.393257][ T9607] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 87.402951][ T9607] Kernel Offset: disabled [ 87.407351][ T9607] Rebooting in 86400 seconds..