[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. syzkaller login: [ 40.730967] audit: type=1400 audit(1601077606.565:8): avc: denied { execmem } for pid=6490 comm="syz-executor845" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.749971] IPVS: ftp: loaded support on port[0] = 21 [ 40.830046] chnl_net:caif_netlink_parms(): no params data found [ 40.936116] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.942851] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.951101] device bridge_slave_0 entered promiscuous mode [ 40.958592] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.965257] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.973137] device bridge_slave_1 entered promiscuous mode [ 40.992073] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.001276] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.020388] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.027968] team0: Port device team_slave_0 added [ 41.034011] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.041472] team0: Port device team_slave_1 added [ 41.057702] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.064098] 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. [ 41.089445] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.101466] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.107703] 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. [ 41.133172] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.144018] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.151735] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.172871] device hsr_slave_0 entered promiscuous mode [ 41.178533] device hsr_slave_1 entered promiscuous mode [ 41.185037] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.192291] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.264476] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.270927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.277640] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.284060] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.319447] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 41.325533] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.335139] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.344488] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.353814] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.361137] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.368073] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 41.379849] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.385917] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.396043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.403912] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.410371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.420263] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.427921] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.434326] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.449700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.457319] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.475392] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.485626] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.496589] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 41.503715] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.511716] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.520101] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.527718] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.540856] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 41.549441] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.556155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.567233] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.580322] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 41.591057] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.627472] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 41.635499] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 41.642978] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 41.652332] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.661300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.668226] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.678528] device veth0_vlan entered promiscuous mode [ 41.688291] device veth1_vlan entered promiscuous mode [ 41.694603] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 41.703272] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 41.715011] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 41.725465] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.733804] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.741678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.751727] device veth0_macvtap entered promiscuous mode [ 41.757817] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 41.766370] device veth1_macvtap entered promiscuous mode [ 41.775262] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 41.784882] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 41.795679] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.802700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.811131] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.822451] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 41.829859] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.836520] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.845372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 41.942453] ================================================================================ [ 41.951150] UBSAN: Undefined behaviour in ./include/net/red.h:214:22 [ 41.957645] shift exponent 75 is too large for 32-bit type 'int' [ 41.963787] CPU: 1 PID: 6491 Comm: syz-executor845 Not tainted 4.19.147-syzkaller #0 [ 41.971647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.981611] Call Trace: [ 41.984206] dump_stack+0x22c/0x33e [ 41.988009] ubsan_epilogue+0xe/0x3a [ 41.992150] __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 [ 41.998294] ? red_change+0x378/0x10e0 [ 42.002169] red_change.cold+0x4d/0xd3 [ 42.006040] ? red_destroy+0x60/0x60 [ 42.009768] ? init_timer_key+0x88/0x370 [ 42.013808] ? hfsc_dump_class.cold+0x41/0x41 [ 42.018296] ? __lockdep_init_map+0x100/0x5c0 [ 42.022785] ? red_change+0x10e0/0x10e0 [ 42.026838] ? red_change+0x10e0/0x10e0 [ 42.030816] qdisc_create+0x534/0x1080 [ 42.034699] ? tc_get_qdisc+0xad0/0xad0 [ 42.038691] ? nla_parse+0x1b2/0x290 [ 42.042407] tc_modify_qdisc+0x4c0/0x195b [ 42.046561] ? qdisc_create+0x1080/0x1080 [ 42.050791] ? rtnetlink_rcv_msg+0x443/0xc10 [ 42.055189] ? qdisc_create+0x1080/0x1080 [ 42.059321] rtnetlink_rcv_msg+0x498/0xc10 [ 42.063539] ? rtnl_get_link+0x270/0x270 [ 42.067675] ? memcpy+0x35/0x50 [ 42.070938] ? netdev_pick_tx+0x350/0x350 [ 42.075086] ? __copy_skb_header+0x414/0x500 [ 42.079502] ? kfree_skbmem+0x140/0x140 [ 42.083502] netlink_rcv_skb+0x160/0x440 [ 42.087566] ? rtnl_get_link+0x270/0x270 [ 42.091626] ? netlink_ack+0xae0/0xae0 [ 42.095512] netlink_unicast+0x4d5/0x690 [ 42.099562] ? netlink_sendskb+0x110/0x110 [ 42.103783] netlink_sendmsg+0x717/0xcc0 [ 42.107827] ? nlmsg_notify+0x1a0/0x1a0 [ 42.111796] ? __sock_recv_ts_and_drops+0x540/0x540 [ 42.116799] ? nlmsg_notify+0x1a0/0x1a0 [ 42.120834] sock_sendmsg+0xc7/0x130 [ 42.124545] ___sys_sendmsg+0x3b3/0x8f0 [ 42.128505] ? do_syscall_64+0xf9/0x670 [ 42.132464] ? copy_msghdr_from_user+0x440/0x440 [ 42.137208] ? find_held_lock+0x2d/0x110 [ 42.141268] ? fs_reclaim_release+0xd0/0x110 [ 42.145673] ? __lock_acquire+0x6ec/0x3ff0 [ 42.149895] ? selinux_file_alloc_security+0xe4/0x1c0 [ 42.155129] ? rcu_read_lock_sched_held+0x174/0x1e0 [ 42.160192] ? __fget_light+0x1a2/0x230 [ 42.164164] __sys_sendmmsg+0x195/0x470 [ 42.170122] ? __ia32_sys_sendmsg+0x220/0x220 [ 42.176165] ? find_held_lock+0x2d/0x110 [ 42.180931] ? check_preemption_disabled+0x41/0x2b0 [ 42.185945] ? __fd_install+0x261/0x6e0 [ 42.189903] ? __sys_socket+0x16d/0x200 [ 42.193858] ? move_addr_to_kernel+0x70/0x70 [ 42.199390] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.204564] __x64_sys_sendmmsg+0x99/0x100 [ 42.208869] ? lockdep_hardirqs_on+0x3c1/0x5e0 [ 42.213434] do_syscall_64+0xf9/0x670 [ 42.217217] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.222391] RIP: 0033:0x443709 [ 42.226088] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 db 0d fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 42.245844] RSP: 002b:00007ffc880ae8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 42.253644] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443709 [ 42.261008] RDX: 0492492492492642 RSI: 0000000020000180 RDI: 0000000000000004 [ 42.268258] RBP: 00007ffc880ae8e0 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 42.275510] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc880ae8f0 [ 42.282847] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.290120] ================================================================================ [ 42.310098] ================================================================================ [ 42.318770] UBSAN: Undefined behaviour in ./include/net/red.h:269:27 [ 42.325367] shift exponent 75 is too large for 64-bit type 'long int' [ 42.331943] CPU: 1 PID: 2915 Comm: kworker/1:2 Not tainted 4.19.147-syzkaller #0 [ 42.339469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.348827] Workqueue: ipv6_addrconf addrconf_dad_work [ 42.354099] Call Trace: [ 42.356685] dump_stack+0x22c/0x33e [ 42.360321] ubsan_epilogue+0xe/0x3a [ 42.364032] __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 [ 42.370173] ? mark_held_locks+0xa6/0xf0 [ 42.374243] ? kvm_clock_get_cycles+0x14/0x30 [ 42.378737] ? ktime_get+0x21b/0x320 [ 42.382459] red_enqueue+0x1ced/0x2200 [ 42.386346] ? red_graft+0x320/0x320 [ 42.390059] ? __dev_queue_xmit+0x1425/0x2ec0 [ 42.394559] __dev_queue_xmit+0x14e1/0x2ec0 [ 42.398886] ? netdev_pick_tx+0x350/0x350 [ 42.403030] ? __local_bh_enable_ip+0x159/0x2a0 [ 42.407803] ? br_nf_post_routing+0x543/0x11f0 [ 42.412389] br_dev_queue_push_xmit+0x25a/0x6c0 [ 42.417057] ? br_fdb_add.cold+0xd8/0xd8 [ 42.421117] ? check_preemption_disabled+0x41/0x2b0 [ 42.426147] br_forward_finish+0xb5/0x430 [ 42.430302] ? br_dev_queue_push_xmit+0x6c0/0x6c0 [ 42.435142] ? br_fdb_add.cold+0xd8/0xd8 [ 42.439206] ? check_preemption_disabled+0x41/0x2b0 [ 42.444225] __br_forward+0x693/0xbb0 [ 42.448025] ? br_forward_finish+0x430/0x430 [ 42.452438] ? br_dev_queue_push_xmit+0x6c0/0x6c0 [ 42.457280] maybe_deliver+0x2d2/0x3c0 [ 42.461165] br_flood+0x180/0x4f0 [ 42.464621] br_dev_xmit+0xdd0/0x1510 [ 42.468419] ? br_dev_init+0x300/0x300 [ 42.472301] ? netdev_cmd_to_name+0x70/0x70 [ 42.476616] ? netif_skb_features+0x3f9/0xb20 [ 42.481120] dev_hard_start_xmit+0x1a8/0x960 [ 42.485534] __dev_queue_xmit+0x276a/0x2ec0 [ 42.489862] ? netdev_pick_tx+0x350/0x350 [ 42.494010] ? ip6_finish_output+0x610/0xcc0 [ 42.498439] ? mark_held_locks+0xa6/0xf0 [ 42.502500] ? ip6_finish_output2+0x1777/0x2370 [ 42.507167] ip6_finish_output2+0xe78/0x2370 [ 42.511579] ? ip6_append_data+0x300/0x300 [ 42.515820] ? lock_downgrade+0x750/0x750 [ 42.519967] ? check_preemption_disabled+0x41/0x2b0 [ 42.524985] ip6_finish_output+0x610/0xcc0 [ 42.529225] ip6_output+0x205/0x7c0 [ 42.532848] ? ip6_finish_output+0xcc0/0xcc0 [ 42.537274] ? ip6_fragment+0x3390/0x3390 [ 42.541422] ? check_preemption_disabled+0x41/0x2b0 [ 42.546446] mld_sendpack+0x6c1/0x1120 [ 42.550339] ? add_grhead+0x223/0x330 [ 42.554135] ? igmp6_mc_seq_stop+0x1a0/0x1a0 [ 42.558545] ? icmpv6_rcv.cold+0x94/0x94 [ 42.562605] ? mld_send_initial_cr.part.0+0xf4/0x150 [ 42.567734] ? mld_send_initial_cr.part.0+0x6d/0x150 [ 42.572839] ? __local_bh_enable_ip+0x159/0x2a0 [ 42.577509] ? lockdep_hardirqs_on+0x3c1/0x5e0 [ 42.582112] mld_send_initial_cr.part.0+0x106/0x150 [ 42.587131] ipv6_mc_dad_complete+0x192/0x1d0 [ 42.591647] addrconf_dad_completed+0x8f3/0xb60 [ 42.596317] ? addrconf_rs_timer+0x640/0x640 [ 42.600739] ? addrconf_dad_work+0x677/0x1130 [ 42.605246] ? __local_bh_enable_ip+0x159/0x2a0 [ 42.609913] ? lockdep_hardirqs_on+0x3c1/0x5e0 [ 42.614496] addrconf_dad_work+0x787/0x1130 [ 42.618830] ? addrconf_dad_completed+0xb60/0xb60 [ 42.623696] process_one_work+0x796/0x14e0 [ 42.627945] ? init_worker_pool+0x5c0/0x5c0 [ 42.632275] worker_thread+0x64c/0x1130 [ 42.636255] ? __kthread_parkme+0x133/0x1e0 [ 42.640571] ? rescuer_thread+0xce0/0xce0 [ 42.644717] kthread+0x33f/0x460 [ 42.648164] ? kthread_park+0x180/0x180 [ 42.652136] ret_from_fork+0x24/0x30 [ 42.655856] ================================================================================ [ 42.672476] ================================================================================ [ 42.681182] UBSAN: Undefined behaviour in ./include/net/red.h:272:18 [ 42.687675] shift exponent 163 is too large for 64-bit type 'long unsigned int' [ 42.695125] CPU: 1 PID: 2915 Comm: kworker/1:2 Not tainted 4.19.147-syzkaller #0 [ 42.702664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.712027] Workqueue: ipv6_addrconf addrconf_dad_work [ 42.717321] Call Trace: [ 42.719900] [ 42.722055] dump_stack+0x22c/0x33e [ 42.725693] ubsan_epilogue+0xe/0x3a [ 42.729414] __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 [ 42.735594] ? kvm_clock_get_cycles+0x14/0x30 [ 42.740094] ? ktime_get+0x21b/0x320 [ 42.743815] red_enqueue+0x2064/0x2200 [ 42.747698] ? red_graft+0x320/0x320 [ 42.751410] ? __dev_queue_xmit+0x1425/0x2ec0 [ 42.755907] __dev_queue_xmit+0x14e1/0x2ec0 [ 42.760237] ? br_handle_frame_finish+0xfcc/0x14d0 [ 42.765148] ? br_nf_hook_thresh+0x2d7/0x370 [ 42.769538] ? br_nf_pre_routing_finish_ipv6+0x701/0xd90 [ 42.774968] ? netdev_pick_tx+0x350/0x350 [ 42.779104] ? br_handle_frame+0xb24/0x151a [ 42.783586] ? __netif_receive_skb_core+0x7d5/0x33c0 [ 42.788670] ? __netif_receive_skb_one_core+0xae/0x180 [ 42.793937] ? netif_receive_skb_core+0x130/0x1a0 [ 42.798771] ? process_backlog+0x259/0x750 [ 42.803074] ? __do_softirq+0x27d/0xad2 [ 42.807026] ? do_softirq_own_stack+0x2a/0x40 [ 42.811514] ? do_softirq.part.0+0x168/0x200 [ 42.815907] ? ip6_finish_output2+0x120d/0x2370 [ 42.820567] ? ip6_finish_output+0x610/0xcc0 [ 42.824965] ? ip6_output+0x205/0x7c0 [ 42.828756] ? mld_sendpack+0x6c1/0x1120 [ 42.832810] ? mld_send_initial_cr.part.0+0x106/0x150 [ 42.838024] ? ipv6_mc_dad_complete+0x192/0x1d0 [ 42.842694] ? addrconf_dad_completed+0x8f3/0xb60 [ 42.847516] ? addrconf_dad_work+0x787/0x1130 [ 42.852023] ? process_one_work+0x796/0x14e0 [ 42.856452] ? worker_thread+0x64c/0x1130 [ 42.860594] br_dev_queue_push_xmit+0x25a/0x6c0 [ 42.865259] ? mark_held_locks+0xa6/0xf0 [ 42.869314] ? kfree+0x110/0x250 [ 42.872660] ? br_fdb_add.cold+0xd8/0xd8 [ 42.876710] ? lockdep_hardirqs_on+0x29f/0x5e0 [ 42.881279] br_nf_dev_queue_xmit+0x2c3/0x15d0 [ 42.885845] br_nf_post_routing+0xa7e/0x11f0 [ 42.890243] ? br_nf_dev_queue_xmit+0x15d0/0x15d0 [ 42.895070] ? __save_stack_trace+0x83/0x100 [ 42.899468] ? brnf_sysctl_call_tables+0xd0/0xd0 [ 42.904210] nf_hook_slow+0xc5/0x1e0 [ 42.907926] br_forward_finish+0x29a/0x430 [ 42.912145] ? br_dev_queue_push_xmit+0x6c0/0x6c0 [ 42.916992] ? __netif_receive_skb_one_core+0xae/0x180 [ 42.922262] ? __netif_receive_skb+0x27/0x1c0 [ 42.926748] ? process_backlog+0x259/0x750 [ 42.930978] ? br_fdb_add.cold+0xd8/0xd8 [ 42.935021] ? nf_hook_slow+0xf5/0x1e0 [ 42.938906] br_nf_hook_thresh+0x2d7/0x370 [ 42.943123] ? br_dev_queue_push_xmit+0x6c0/0x6c0 [ 42.947948] ? setup_pre_routing+0x460/0x460 [ 42.952350] ? br_dev_queue_push_xmit+0x6c0/0x6c0 [ 42.957190] br_nf_forward_finish+0x335/0x6d0 [ 42.961671] ? br_dev_queue_push_xmit+0x6c0/0x6c0 [ 42.966496] br_nf_forward_ip+0xad1/0x1620 [ 42.970760] ? br_nf_forward_finish+0x6d0/0x6d0 [ 42.975414] ? addrconf_dad_completed+0x8f3/0xb60 [ 42.980243] ? addrconf_dad_work+0x787/0x1130 [ 42.984718] ? process_one_work+0x796/0x14e0 [ 42.989151] ? br_nf_hook_thresh+0x370/0x370 [ 42.993551] nf_hook_slow+0xc5/0x1e0 [ 42.997259] __br_forward+0x3c8/0xbb0 [ 43.001041] ? br_forward_finish+0x430/0x430 [ 43.005441] ? br_dev_queue_push_xmit+0x6c0/0x6c0 [ 43.010265] br_flood+0x3ee/0x4f0 [ 43.013724] br_handle_frame_finish+0xfcc/0x14d0 [ 43.018480] ? __lock_acquire+0x640/0x3ff0 [ 43.022701] ? br_handle_local_finish+0x20/0x20 [ 43.027360] ? nf_hook_slow+0xf5/0x1e0 [ 43.031240] br_nf_hook_thresh+0x2d7/0x370 [ 43.035470] ? br_handle_local_finish+0x20/0x20 [ 43.040124] ? setup_pre_routing+0x460/0x460 [ 43.044526] ? init_conntrack+0x11f0/0x11f0 [ 43.048830] ? sock_def_write_space+0x176/0x6c0 [ 43.053495] ? br_handle_local_finish+0x20/0x20 [ 43.058173] br_nf_pre_routing_finish_ipv6+0x701/0xd90 [ 43.063434] ? br_handle_local_finish+0x20/0x20 [ 43.068100] br_nf_pre_routing_ipv6+0x3f4/0x8ca [ 43.072768] ? br_validate_ipv6+0xb90/0xb90 [ 43.077070] ? lockdep_hardirqs_on+0x29f/0x5e0 [ 43.081638] ? br_nf_pre_routing.cold+0xa0/0xa0 [ 43.086296] br_nf_pre_routing+0x9c7/0x152c [ 43.090602] ? br_nf_pre_routing_finish+0x1830/0x1830 [ 43.095801] ? ebt_broute+0x110/0x190 [ 43.099587] nf_hook_slow+0xc5/0x1e0 [ 43.103293] br_handle_frame+0xb24/0x151a [ 43.107443] ? kmem_cache_free+0x284/0x2b0 [ 43.111680] ? br_handle_frame_finish+0x14d0/0x14d0 [ 43.116680] ? kfree_skbmem+0xc1/0x140 [ 43.120553] ? br_handle_local_finish+0x20/0x20 [ 43.125204] ? br_handle_frame_finish+0x14d0/0x14d0 [ 43.130209] __netif_receive_skb_core+0x7d5/0x33c0 [ 43.135127] ? do_xdp_generic.part.0+0x1a0/0x1a0 [ 43.139954] ? mark_held_locks+0xf0/0xf0 [ 43.144011] ? ip6_sublist_rcv+0xc40/0xc40 [ 43.148231] ? trace_hardirqs_off+0x64/0x200 [ 43.152660] __netif_receive_skb_one_core+0xae/0x180 [ 43.157769] ? __netif_receive_skb_core+0x33c0/0x33c0 [ 43.162985] ? lock_acquire+0x170/0x3f0 [ 43.166941] ? process_backlog+0x1c8/0x750 [ 43.171161] __netif_receive_skb+0x27/0x1c0 [ 43.175465] process_backlog+0x259/0x750 [ 43.179512] net_rx_action+0x4e5/0x10d0 [ 43.183472] ? napi_complete_done+0x5a0/0x5a0 [ 43.187959] ? kvm_sched_clock_read+0x14/0x40 [ 43.192442] __do_softirq+0x27d/0xad2 [ 43.196230] do_softirq_own_stack+0x2a/0x40 [ 43.200539] [ 43.202771] do_softirq.part.0+0x168/0x200 [ 43.206989] ? ip6_finish_output2+0x11da/0x2370 [ 43.211655] __local_bh_enable_ip+0x22d/0x2a0 [ 43.216136] ip6_finish_output2+0x120d/0x2370 [ 43.220617] ? ip6_append_data+0x300/0x300 [ 43.224839] ? lock_downgrade+0x750/0x750 [ 43.228970] ? check_preemption_disabled+0x41/0x2b0 [ 43.233968] ip6_finish_output+0x610/0xcc0 [ 43.238207] ip6_output+0x205/0x7c0 [ 43.241815] ? ip6_finish_output+0xcc0/0xcc0 [ 43.246212] ? ip6_fragment+0x3390/0x3390 [ 43.250343] ? check_preemption_disabled+0x41/0x2b0 [ 43.255352] mld_sendpack+0x6c1/0x1120 [ 43.259222] ? add_grhead+0x223/0x330 [ 43.263003] ? igmp6_mc_seq_stop+0x1a0/0x1a0 [ 43.267393] ? icmpv6_rcv.cold+0x94/0x94 [ 43.271534] ? mld_send_initial_cr.part.0+0xf4/0x150 [ 43.276625] ? mld_send_initial_cr.part.0+0x6d/0x150 [ 43.281710] ? __local_bh_enable_ip+0x159/0x2a0 [ 43.286370] ? lockdep_hardirqs_on+0x3c1/0x5e0 [ 43.290951] mld_send_initial_cr.part.0+0x106/0x150 [ 43.295951] ipv6_mc_dad_complete+0x192/0x1d0 [ 43.300436] addrconf_dad_completed+0x8f3/0xb60 [ 43.305087] ? addrconf_rs_timer+0x640/0x640 [ 43.309474] ? addrconf_dad_work+0x677/0x1130 [ 43.313991] ? __local_bh_enable_ip+0x159/0x2a0 [ 43.318651] ? lockdep_hardirqs_on+0x3c1/0x5e0 [ 43.323214] addrconf_dad_work+0x787/0x1130 [ 43.327526] ? addrconf_dad_completed+0xb60/0xb60 [ 43.332377] process_one_work+0x796/0x14e0 [ 43.336595] ? init_worker_pool+0x5c0/0x5c0 [ 43.340914] worker_thread+0x64c/0x1130 [ 43.344903] ? __kthread_parkme+0x133/0x1e0 [ 43.349214] ? rescuer_thread+0xce0/0xce0 [ 43.353344] kthread+0x33f/0x460 [ 43.356688] ? kthread_park+0x180/0x180 [ 43.360654] ret_from_fork+0x24/0x30 [ 43.364361] ================================================================================