Warning: Permanently added '10.128.0.179' (ECDSA) to the list of known hosts. [ 36.907499] random: sshd: uninitialized urandom read (32 bytes read) [ 37.027990] kauditd_printk_skb: 10 callbacks suppressed [ 37.027999] audit: type=1400 audit(1567900750.187:36): avc: denied { map } for pid=6878 comm="syz-executor896" path="/root/syz-executor896050902" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 37.321011] IPVS: ftp: loaded support on port[0] = 21 [ 38.130375] chnl_net:caif_netlink_parms(): no params data found [ 38.162530] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.169709] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.177837] device bridge_slave_0 entered promiscuous mode [ 38.185380] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.192354] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.199617] device bridge_slave_1 entered promiscuous mode [ 38.216664] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 38.226499] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 38.243572] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 38.251827] team0: Port device team_slave_0 added [ 38.257695] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 38.265280] team0: Port device team_slave_1 added [ 38.271119] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 38.278821] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 38.332947] device hsr_slave_0 entered promiscuous mode [ 38.380517] device hsr_slave_1 entered promiscuous mode [ 38.420805] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 38.428853] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 38.442780] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.450195] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.458446] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.465318] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.496645] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 38.504916] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.514462] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 38.524649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.544423] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.552716] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.564807] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 38.571088] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.581058] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.590997] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.598210] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.618393] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 38.629116] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 38.640354] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 38.647504] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.656202] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.663219] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.670975] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.679889] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.688208] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 38.697110] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.706540] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.713910] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.727896] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 38.740925] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 143.830029] INFO: rcu_preempt self-detected stall on CPU [ 143.835712] 0-...: (10500 ticks this GP) idle=9ba/140000000000001/0 softirq=9785/9785 fqs=0 [ 143.844703] (t=10500 jiffies g=1068 c=1067 q=18) [ 143.849622] rcu_preempt kthread starved for 10500 jiffies! g1068 c1067 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 [ 143.860257] rcu_preempt I29776 8 2 0x80000000 [ 143.865871] Call Trace: [ 143.868452] __schedule+0x7b8/0x1cd0 [ 143.872155] ? pci_mmcfg_check_reserved+0x150/0x150 [ 143.877152] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 143.882239] schedule+0x92/0x1c0 [ 143.885611] schedule_timeout+0x43e/0xe10 [ 143.889830] ? usleep_range+0x130/0x130 [ 143.893787] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 143.898872] ? prepare_to_swait+0xcc/0x100 [ 143.903114] ? call_timer_fn+0x670/0x670 [ 143.907163] rcu_gp_kthread+0xbf4/0x1ec0 [ 143.911217] ? force_qs_rnp+0x4d0/0x4d0 [ 143.915180] kthread+0x319/0x430 [ 143.918524] ? force_qs_rnp+0x4d0/0x4d0 [ 143.922479] ? kthread_create_on_node+0xd0/0xd0 [ 143.927131] ret_from_fork+0x24/0x30 [ 143.930991] NMI backtrace for cpu 0 [ 143.934765] CPU: 0 PID: 3149 Comm: kworker/0:2 Not tainted 4.14.142 #0 [ 143.941418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.950768] Workqueue: ipv6_addrconf addrconf_dad_work [ 143.956025] Call Trace: [ 143.958591] [ 143.960774] dump_stack+0x138/0x197 [ 143.964385] nmi_cpu_backtrace.cold+0x57/0x94 [ 143.968863] ? irq_force_complete_move.cold+0x7d/0x7d [ 143.974053] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 143.979320] arch_trigger_cpumask_backtrace+0x14/0x20 [ 143.984491] rcu_dump_cpu_stacks+0x186/0x1d2 [ 143.988897] rcu_check_callbacks.cold+0x43d/0xd0a [ 143.993723] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 143.999249] update_process_times+0x31/0x70 [ 144.003568] tick_sched_handle+0x85/0x160 [ 144.007698] tick_sched_timer+0x43/0x130 [ 144.011741] __hrtimer_run_queues+0x270/0xbc0 [ 144.016226] ? tick_sched_do_timer+0xe0/0xe0 [ 144.020625] ? hrtimer_start_range_ns+0x10d0/0x10d0 [ 144.025724] hrtimer_interrupt+0x1d8/0x5d0 [ 144.029947] smp_apic_timer_interrupt+0x11c/0x5e0 [ 144.035467] apic_timer_interrupt+0x96/0xa0 [ 144.039790] [ 144.042025] RIP: 0010:__sanitizer_cov_trace_pc+0x23/0x60 [ 144.047470] RSP: 0018:ffff88809bd0f008 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 [ 144.055165] RAX: ffff88809bcca000 RBX: ffff8880a1aff438 RCX: 0000000000000000 [ 144.062687] RDX: 0000000000000000 RSI: ffff8880a1aff4d0 RDI: ffff8880a1aff4d8 [ 144.070028] RBP: ffff88809bd0f060 R08: 0000000000000000 R09: ffff88809bccaa08 [ 144.077379] R10: ffff88809bcca9e8 R11: ffff88809bcca000 R12: dffffc0000000000 [ 144.084631] R13: ffff8880a1aff240 R14: 0000000000000000 R15: ffff8880a1aff4c0 [ 144.091985] ? hhf_dequeue+0x588/0xa60 [ 144.095862] __qdisc_run+0x2b8/0xe00 [ 144.099729] __dev_queue_xmit+0x1571/0x25e0 [ 144.104119] ? __lock_is_held+0xb6/0x140 [ 144.108165] ? check_preemption_disabled+0x3c/0x250 [ 144.113165] ? netdev_pick_tx+0x300/0x300 [ 144.117293] ? save_trace+0x290/0x290 [ 144.121102] ? br_nf_post_routing+0x27d/0xf00 [ 144.125665] ? br_forward_finish+0x1cc/0x320 [ 144.130056] ? find_held_lock+0x35/0x130 [ 144.134112] ? br_forward_finish+0x1cc/0x320 [ 144.138542] dev_queue_xmit+0x18/0x20 [ 144.142333] ? dev_queue_xmit+0x18/0x20 [ 144.146287] br_dev_queue_push_xmit+0x367/0x530 [ 144.150940] br_forward_finish+0xbc/0x320 [ 144.155245] ? br_dev_queue_push_xmit+0x530/0x530 [ 144.160085] ? br_fdb_add.cold+0x84/0x84 [ 144.164132] __br_forward+0x560/0x9c0 [ 144.168352] ? br_forward_finish+0x320/0x320 [ 144.172759] ? br_dev_queue_push_xmit+0x530/0x530 [ 144.177586] deliver_clone+0x61/0xc0 [ 144.181441] br_flood+0x3c8/0x530 [ 144.184919] br_dev_xmit+0x9a4/0xd40 [ 144.188631] ? check_preemption_disabled+0x3c/0x250 [ 144.193636] ? br_poll_controller+0x10/0x10 [ 144.197961] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 144.203412] dev_hard_start_xmit+0x18c/0x8b0 [ 144.207815] ? assoc_array_gc+0x1130/0x11d0 [ 144.212135] __dev_queue_xmit+0x1d95/0x25e0 [ 144.216585] ? trace_hardirqs_on+0x10/0x10 [ 144.220804] ? netdev_pick_tx+0x300/0x300 [ 144.224951] ? ip6_finish_output2+0x9ab/0x21b0 [ 144.229603] ? memcpy+0x46/0x50 [ 144.232869] dev_queue_xmit+0x18/0x20 [ 144.236655] ? dev_queue_xmit+0x18/0x20 [ 144.240702] neigh_resolve_output+0x4d8/0x870 [ 144.245185] ip6_finish_output2+0x9ab/0x21b0 [ 144.249581] ? ip6_forward_finish+0x480/0x480 [ 144.254060] ? lock_downgrade+0x6e0/0x6e0 [ 144.258281] ip6_finish_output+0x4f4/0xb50 [ 144.262596] ? ip6_finish_output+0x4f4/0xb50 [ 144.267083] ip6_output+0x20f/0x6d0 [ 144.270693] ? ip6_finish_output+0xb50/0xb50 [ 144.275096] ? __lock_is_held+0xb6/0x140 [ 144.279138] ? ip6_fragment+0x32c0/0x32c0 [ 144.283374] ndisc_send_skb+0xb56/0x11e0 [ 144.287418] ? ndisc_error_report+0x190/0x190 [ 144.291905] ndisc_send_ns+0x360/0x7e0 [ 144.295775] ? ndisc_netdev_event+0x3b0/0x3b0 [ 144.300275] ? trace_hardirqs_on_caller+0x400/0x590 [ 144.305270] ? addrconf_dad_work+0x97c/0xff0 [ 144.309745] ? trace_hardirqs_on+0xd/0x10 [ 144.313875] ? __local_bh_enable_ip+0x99/0x1a0 [ 144.318453] addrconf_dad_work+0xa40/0xff0 [ 144.322683] ? addrconf_dad_completed+0xa70/0xa70 [ 144.327549] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 144.332983] process_one_work+0x863/0x1600 [ 144.337208] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 144.341887] worker_thread+0x5d9/0x1050 [ 144.345851] kthread+0x319/0x430 [ 144.349201] ? process_one_work+0x1600/0x1600 [ 144.353681] ? kthread_create_on_node+0xd0/0xd0 [ 144.358331] ret_from_fork+0x24/0x30