Warning: Permanently added '10.128.0.64' (ECDSA) to the list of known hosts. [ 83.438882] random: sshd: uninitialized urandom read (32 bytes read) [ 83.549711] audit: type=1400 audit(1567815551.079:36): avc: denied { map } for pid=6822 comm="syz-executor428" path="/root/syz-executor428655238" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 83.780891] IPVS: ftp: loaded support on port[0] = 21 [ 84.644478] chnl_net:caif_netlink_parms(): no params data found [ 84.672024] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.678652] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.685659] device bridge_slave_0 entered promiscuous mode [ 84.692475] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.698936] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.705894] device bridge_slave_1 entered promiscuous mode [ 84.719309] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 84.728482] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 84.744772] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 84.752184] team0: Port device team_slave_0 added [ 84.757525] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 84.764664] team0: Port device team_slave_1 added [ 84.769781] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 84.777426] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 84.832036] device hsr_slave_0 entered promiscuous mode [ 84.870364] device hsr_slave_1 entered promiscuous mode [ 84.920476] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 84.927311] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 84.939578] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.946048] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.952937] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.959303] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.984543] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 84.991494] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.998916] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 85.007222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 85.027532] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.034900] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.044926] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 85.051187] 8021q: adding VLAN 0 to HW filter on device team0 [ 85.060678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 85.068264] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.074642] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.083287] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 85.091361] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.097688] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.115011] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 85.125081] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 85.136202] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 85.143374] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 85.151153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 85.158579] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 85.166559] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 85.174075] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 85.180785] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 85.192023] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 85.200916] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 190.290022] INFO: rcu_preempt self-detected stall on CPU [ 190.295526] 1-...: (1 GPs behind) idle=a8e/140000000000001/0 softirq=11702/11703 fqs=27 [ 190.306681] (t=10500 jiffies g=1036 c=1035 q=31) [ 190.311605] rcu_preempt kthread starved for 10446 jiffies! g1036 c1035 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 [ 190.322250] rcu_preempt I29776 8 2 0x80000000 [ 190.327879] Call Trace: [ 190.330464] __schedule+0x7b8/0x1cd0 [ 190.334157] ? pci_mmcfg_check_reserved+0x150/0x150 [ 190.339151] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 190.344234] schedule+0x92/0x1c0 [ 190.347587] schedule_timeout+0x43e/0xe10 [ 190.351737] ? usleep_range+0x130/0x130 [ 190.355687] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 190.360769] ? prepare_to_swait+0xcc/0x100 [ 190.364992] ? call_timer_fn+0x670/0x670 [ 190.369037] rcu_gp_kthread+0xbf4/0x1ec0 [ 190.373089] ? force_qs_rnp+0x4d0/0x4d0 [ 190.377048] kthread+0x319/0x430 [ 190.380391] ? force_qs_rnp+0x4d0/0x4d0 [ 190.384342] ? kthread_create_on_node+0xd0/0xd0 [ 190.388988] ret_from_fork+0x24/0x30 [ 190.392969] NMI backtrace for cpu 1 [ 190.396739] CPU: 1 PID: 6826 Comm: kworker/1:3 Not tainted 4.14.142 #0 [ 190.403381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.412727] Workqueue: ipv6_addrconf addrconf_dad_work [ 190.417981] Call Trace: [ 190.420544] [ 190.422680] dump_stack+0x138/0x197 [ 190.426288] nmi_cpu_backtrace.cold+0x57/0x94 [ 190.430766] ? irq_force_complete_move.cold+0x7d/0x7d [ 190.435935] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 190.441201] arch_trigger_cpumask_backtrace+0x14/0x20 [ 190.446366] rcu_dump_cpu_stacks+0x186/0x1d2 [ 190.450770] rcu_check_callbacks.cold+0x43d/0xd0a [ 190.455593] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 190.461026] update_process_times+0x31/0x70 [ 190.465330] tick_sched_handle+0x85/0x160 [ 190.469456] tick_sched_timer+0x43/0x130 [ 190.473495] __hrtimer_run_queues+0x270/0xbc0 [ 190.477967] ? tick_sched_do_timer+0xe0/0xe0 [ 190.482352] ? hrtimer_start_range_ns+0x10d0/0x10d0 [ 190.487348] hrtimer_interrupt+0x1d8/0x5d0 [ 190.491570] smp_apic_timer_interrupt+0x11c/0x5e0 [ 190.496391] apic_timer_interrupt+0x96/0xa0 [ 190.500686] [ 190.502914] RIP: 0010:__list_del_entry_valid+0x9c/0xf5 [ 190.508166] RSP: 0018:ffff888083c7f528 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 [ 190.515855] RAX: dffffc0000000000 RBX: ffff8880a8909438 RCX: 0000000000000000 [ 190.523103] RDX: ffff8880a8909438 RSI: ffff8880a89094d0 RDI: ffff8880a89094d8 [ 190.530361] RBP: ffff888083c7f540 R08: 0000000000000000 R09: ffff8880819f2d38 [ 190.537609] R10: ffff8880819f2d18 R11: ffff8880819f2380 R12: ffff8880a89094d0 [ 190.544856] R13: ffff8880a89094d0 R14: ffff8880a8909438 R15: ffff8880a89094c0 [ 190.552117] hhf_dequeue+0x57f/0xa60 [ 190.555814] __qdisc_run+0x2b8/0xe00 [ 190.559512] __dev_queue_xmit+0x1571/0x25e0 [ 190.563814] ? trace_hardirqs_on+0x10/0x10 [ 190.568032] ? netdev_pick_tx+0x300/0x300 [ 190.572160] ? ip6_finish_output2+0x9ab/0x21b0 [ 190.576725] ? memcpy+0x46/0x50 [ 190.579984] dev_queue_xmit+0x18/0x20 [ 190.583765] ? dev_queue_xmit+0x18/0x20 [ 190.587734] neigh_resolve_output+0x4d8/0x870 [ 190.592211] ip6_finish_output2+0x9ab/0x21b0 [ 190.596602] ? ip6_forward_finish+0x480/0x480 [ 190.601087] ? lock_downgrade+0x6e0/0x6e0 [ 190.605216] ip6_finish_output+0x4f4/0xb50 [ 190.609430] ? ip6_finish_output+0x4f4/0xb50 [ 190.613818] ip6_output+0x20f/0x6d0 [ 190.617443] ? ip6_finish_output+0xb50/0xb50 [ 190.621830] ? __lock_is_held+0xb6/0x140 [ 190.625869] ? mlx4_do_sense_ports+0x120/0x380 [ 190.630441] ? ip6_fragment+0x32c0/0x32c0 [ 190.634571] ndisc_send_skb+0xb56/0x11e0 [ 190.638612] ? ndisc_error_report+0x190/0x190 [ 190.643095] ndisc_send_ns+0x360/0x7e0 [ 190.646960] ? ndisc_netdev_event+0x3b0/0x3b0 [ 190.651434] ? trace_hardirqs_on_caller+0x400/0x590 [ 190.656434] ? addrconf_dad_work+0x97c/0xff0 [ 190.660820] ? trace_hardirqs_on+0xd/0x10 [ 190.664955] ? __local_bh_enable_ip+0x99/0x1a0 [ 190.669516] addrconf_dad_work+0xa40/0xff0 [ 190.673732] ? addrconf_dad_completed+0xa70/0xa70 [ 190.678553] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 190.683982] process_one_work+0x863/0x1600 [ 190.688199] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 190.692851] worker_thread+0x5d9/0x1050 [ 190.696810] kthread+0x319/0x430 [ 190.700156] ? process_one_work+0x1600/0x1600 [ 190.704625] ? kthread_create_on_node+0xd0/0xd0 [ 190.709273] ret_from_fork+0x24/0x30