Warning: Permanently added '10.128.0.160' (ECDSA) to the list of known hosts. [ 183.253793] random: sshd: uninitialized urandom read (32 bytes read) [ 183.373127] audit: type=1400 audit(1567981392.838:36): avc: denied { map } for pid=6807 comm="syz-executor980" path="/root/syz-executor980958254" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 183.641049] IPVS: ftp: loaded support on port[0] = 21 [ 184.448890] chnl_net:caif_netlink_parms(): no params data found [ 184.479349] bridge0: port 1(bridge_slave_0) entered blocking state [ 184.486268] bridge0: port 1(bridge_slave_0) entered disabled state [ 184.493559] device bridge_slave_0 entered promiscuous mode [ 184.500692] bridge0: port 2(bridge_slave_1) entered blocking state [ 184.507239] bridge0: port 2(bridge_slave_1) entered disabled state [ 184.514542] device bridge_slave_1 entered promiscuous mode [ 184.529516] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 184.538550] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 184.554746] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 184.562153] team0: Port device team_slave_0 added [ 184.567543] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 184.574720] team0: Port device team_slave_1 added [ 184.579875] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 184.587454] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 184.671782] device hsr_slave_0 entered promiscuous mode [ 184.730254] device hsr_slave_1 entered promiscuous mode [ 184.810436] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 184.817287] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 184.829642] bridge0: port 2(bridge_slave_1) entered blocking state [ 184.836064] bridge0: port 2(bridge_slave_1) entered forwarding state [ 184.842986] bridge0: port 1(bridge_slave_0) entered blocking state [ 184.849316] bridge0: port 1(bridge_slave_0) entered forwarding state [ 184.874698] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 184.881566] 8021q: adding VLAN 0 to HW filter on device bond0 [ 184.888904] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 184.896982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 184.915741] bridge0: port 1(bridge_slave_0) entered disabled state [ 184.923120] bridge0: port 2(bridge_slave_1) entered disabled state [ 184.933243] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 184.939317] 8021q: adding VLAN 0 to HW filter on device team0 [ 184.947385] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 184.955329] bridge0: port 1(bridge_slave_0) entered blocking state [ 184.961698] bridge0: port 1(bridge_slave_0) entered forwarding state [ 184.970258] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 184.977773] bridge0: port 2(bridge_slave_1) entered blocking state [ 184.984148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 184.996168] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 185.004813] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 185.013553] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 185.025212] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 185.035708] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 185.046462] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 185.053279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 185.060770] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 185.068089] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 185.079497] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 185.088456] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 290.110026] INFO: rcu_preempt self-detected stall on CPU [ 290.115525] 1-...: (10499 ticks this GP) idle=3a2/140000000000001/0 softirq=13169/13169 fqs=7 [ 290.124359] (t=10500 jiffies g=1045 c=1044 q=137) [ 290.129389] rcu_preempt kthread starved for 10486 jiffies! g1045 c1044 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 [ 290.140025] rcu_preempt I29776 8 2 0x80000000 [ 290.145667] Call Trace: [ 290.148321] __schedule+0x7b8/0x1cd0 [ 290.152022] ? pci_mmcfg_check_reserved+0x150/0x150 [ 290.157016] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 290.162108] schedule+0x92/0x1c0 [ 290.165459] schedule_timeout+0x43e/0xe10 [ 290.169602] ? usleep_range+0x130/0x130 [ 290.173567] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 290.178679] ? prepare_to_swait+0xcc/0x100 [ 290.182896] ? call_timer_fn+0x670/0x670 [ 290.186947] rcu_gp_kthread+0xbf4/0x1ec0 [ 290.191003] ? force_qs_rnp+0x4d0/0x4d0 [ 290.194962] kthread+0x319/0x430 [ 290.199088] ? force_qs_rnp+0x4d0/0x4d0 [ 290.203045] ? kthread_create_on_node+0xd0/0xd0 [ 290.207696] ret_from_fork+0x24/0x30 [ 290.212690] NMI backtrace for cpu 1 [ 290.216465] CPU: 1 PID: 6812 Comm: kworker/1:3 Not tainted 4.14.142 #0 [ 290.223109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.232514] Workqueue: ipv6_addrconf addrconf_dad_work [ 290.237773] Call Trace: [ 290.240336] [ 290.242508] dump_stack+0x138/0x197 [ 290.246119] nmi_cpu_backtrace.cold+0x57/0x94 [ 290.250596] ? irq_force_complete_move.cold+0x7d/0x7d [ 290.255765] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 290.261029] arch_trigger_cpumask_backtrace+0x14/0x20 [ 290.266199] rcu_dump_cpu_stacks+0x186/0x1d2 [ 290.270589] rcu_check_callbacks.cold+0x43d/0xd0a [ 290.275412] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 290.280849] update_process_times+0x31/0x70 [ 290.285158] tick_sched_handle+0x85/0x160 [ 290.289289] tick_sched_timer+0x43/0x130 [ 290.293348] __hrtimer_run_queues+0x270/0xbc0 [ 290.297841] ? tick_sched_do_timer+0xe0/0xe0 [ 290.302247] ? hrtimer_start_range_ns+0x10d0/0x10d0 [ 290.307285] hrtimer_interrupt+0x1d8/0x5d0 [ 290.311653] smp_apic_timer_interrupt+0x11c/0x5e0 [ 290.316488] apic_timer_interrupt+0x96/0xa0 [ 290.320790] [ 290.323048] RIP: 0010:hhf_dequeue+0x678/0xa60 [ 290.327526] RSP: 0018:ffff888097ecf010 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 [ 290.335215] RAX: ffff8880a1669910 RBX: ffff8880a1669878 RCX: 0000000000000000 [ 290.342466] RDX: 0000000000000000 RSI: ffff8880a1669910 RDI: ffff8880a1669880 [ 290.349721] RBP: ffff888097ecf060 R08: 0000000000000000 R09: ffff8880a919d0c8 [ 290.357244] R10: ffff8880a919d0a8 R11: ffff8880a919c6c0 R12: dffffc0000000000 [ 290.364493] R13: ffff8880a1669680 R14: ffff8880a1669910 R15: ffff8880a1669900 [ 290.371814] __qdisc_run+0x2b8/0xe00 [ 290.375553] __dev_queue_xmit+0x1571/0x25e0 [ 290.380121] ? __lock_is_held+0xb6/0x140 [ 290.384172] ? check_preemption_disabled+0x3c/0x250 [ 290.389174] ? netdev_pick_tx+0x300/0x300 [ 290.393311] ? save_trace+0x290/0x290 [ 290.397161] ? br_nf_post_routing+0x27d/0xf00 [ 290.401680] ? br_forward_finish+0x1cc/0x320 [ 290.406072] ? find_held_lock+0x35/0x130 [ 290.410115] ? br_forward_finish+0x1cc/0x320 [ 290.414505] dev_queue_xmit+0x18/0x20 [ 290.418285] ? dev_queue_xmit+0x18/0x20 [ 290.422254] br_dev_queue_push_xmit+0x367/0x530 [ 290.426907] br_forward_finish+0xbc/0x320 [ 290.431038] ? br_dev_queue_push_xmit+0x530/0x530 [ 290.435866] ? br_fdb_add.cold+0x84/0x84 [ 290.439907] __br_forward+0x560/0x9c0 [ 290.443691] ? br_forward_finish+0x320/0x320 [ 290.448082] ? br_dev_queue_push_xmit+0x530/0x530 [ 290.452915] deliver_clone+0x61/0xc0 [ 290.456614] br_flood+0x3c8/0x530 [ 290.460053] br_dev_xmit+0x9a4/0xd40 [ 290.463748] ? check_preemption_disabled+0x3c/0x250 [ 290.468754] ? br_poll_controller+0x10/0x10 [ 290.473078] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 290.478712] dev_hard_start_xmit+0x18c/0x8b0 [ 290.483105] ? assoc_array_gc+0x1130/0x11d0 [ 290.487409] __dev_queue_xmit+0x1d95/0x25e0 [ 290.491712] ? trace_hardirqs_on+0x10/0x10 [ 290.495936] ? netdev_pick_tx+0x300/0x300 [ 290.500080] ? ip6_finish_output2+0x9ab/0x21b0 [ 290.504646] ? memcpy+0x46/0x50 [ 290.507906] dev_queue_xmit+0x18/0x20 [ 290.511689] ? dev_queue_xmit+0x18/0x20 [ 290.515685] neigh_resolve_output+0x4d8/0x870 [ 290.520173] ip6_finish_output2+0x9ab/0x21b0 [ 290.524570] ? ip6_forward_finish+0x480/0x480 [ 290.529062] ? lock_downgrade+0x6e0/0x6e0 [ 290.533283] ip6_finish_output+0x4f4/0xb50 [ 290.537497] ? ip6_finish_output+0x4f4/0xb50 [ 290.541887] ip6_output+0x20f/0x6d0 [ 290.545494] ? ip6_finish_output+0xb50/0xb50 [ 290.549882] ? __lock_is_held+0xb6/0x140 [ 290.553937] ? ip6_fragment+0x32c0/0x32c0 [ 290.558095] ndisc_send_skb+0xb56/0x11e0 [ 290.562228] ? ndisc_error_report+0x190/0x190 [ 290.566712] ndisc_send_ns+0x360/0x7e0 [ 290.570598] ? ndisc_netdev_event+0x3b0/0x3b0 [ 290.575076] ? trace_hardirqs_on_caller+0x400/0x590 [ 290.580078] ? addrconf_dad_work+0x97c/0xff0 [ 290.584467] ? trace_hardirqs_on+0xd/0x10 [ 290.588600] ? __local_bh_enable_ip+0x99/0x1a0 [ 290.593169] addrconf_dad_work+0xa40/0xff0 [ 290.597388] ? addrconf_dad_completed+0xa70/0xa70 [ 290.602212] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 290.607650] process_one_work+0x863/0x1600 [ 290.611871] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 290.616632] worker_thread+0x5d9/0x1050 [ 290.620596] kthread+0x319/0x430 [ 290.623944] ? process_one_work+0x1600/0x1600 [ 290.628419] ? kthread_create_on_node+0xd0/0xd0 [ 290.633069] ret_from_fork+0x24/0x30 [ 290.640029] INFO: rcu_sched detected stalls on CPUs/tasks: [ 290.645691] 1-...: (1 GPs behind) idle=3a2/140000000000000/0 softirq=13166/13169 fqs=6 [ 290.653902] (detected by 0, t=10551 jiffies, g=719, c=718, q=5) [ 290.660053] Sending NMI from CPU 0 to CPUs 1: [ 290.665075] NMI backtrace for cpu 1 [ 290.665079] CPU: 1 PID: 6812 Comm: kworker/1:3 Not tainted 4.14.142 #0 [ 290.665082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.665085] Workqueue: ipv6_addrconf addrconf_dad_work [ 290.665089] task: ffff8880a919c6c0 task.stack: ffff888097ec8000 [ 290.665091] RIP: 0010:__list_add_valid+0x48/0xa0 [ 290.665093] RSP: 0018:ffff888097ecefe8 EFLAGS: 00000246 [ 290.665097] RAX: dffffc0000000000 RBX: ffff8880a1669878 RCX: 0000000000000000 [ 290.665100] RDX: ffff8880a1669910 RSI: ffff8880a1669910 RDI: ffff8880a1669918 [ 290.665103] RBP: ffff888097ecf000 R08: 0000000000000000 R09: ffff8880a919d0c8 [ 290.665106] R10: ffff8880a919d0a8 R11: ffff8880a919c6c0 R12: ffff8880a1669910 [ 290.665109] R13: ffff8880a1669878 R14: ffff8880a1669910 R15: ffff8880a1669900 [ 290.665112] FS: 0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 290.665114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 290.665117] CR2: 00007ffe4e7baa40 CR3: 0000000098789000 CR4: 00000000001406e0 [ 290.665120] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 290.665123] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 290.665124] Call Trace: [ 290.665126] hhf_dequeue+0x61b/0xa60 [ 290.665128] __qdisc_run+0x2b8/0xe00 [ 290.665130] __dev_queue_xmit+0x1571/0x25e0 [ 290.665132] ? __lock_is_held+0xb6/0x140 [ 290.665134] ? check_preemption_disabled+0x3c/0x250 [ 290.665136] ? netdev_pick_tx+0x300/0x300 [ 290.665138] ? save_trace+0x290/0x290 [ 290.665140] ? br_nf_post_routing+0x27d/0xf00 [ 290.665142] ? br_forward_finish+0x1cc/0x320 [ 290.665144] ? find_held_lock+0x35/0x130 [ 290.665145] ? br_forward_finish+0x1cc/0x320 [ 290.665147] dev_queue_xmit+0x18/0x20 [ 290.665149] ? dev_queue_xmit+0x18/0x20 [ 290.665151] br_dev_queue_push_xmit+0x367/0x530 [ 290.665153] br_forward_finish+0xbc/0x320 [ 290.665160] ? br_dev_queue_push_xmit+0x530/0x530 [ 290.665162] ? br_fdb_add.cold+0x84/0x84 [ 290.665164] __br_forward+0x560/0x9c0 [ 290.665166] ? br_forward_finish+0x320/0x320 [ 290.665168] ? br_dev_queue_push_xmit+0x530/0x530 [ 290.665170] deliver_clone+0x61/0xc0 [ 290.665172] br_flood+0x3c8/0x530 [ 290.665173] br_dev_xmit+0x9a4/0xd40 [ 290.665176] ? check_preemption_disabled+0x3c/0x250 [ 290.665178] ? br_poll_controller+0x10/0x10 [ 290.665180] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 290.665182] dev_hard_start_xmit+0x18c/0x8b0 [ 290.665184] ? assoc_array_gc+0x1130/0x11d0 [ 290.665186] __dev_queue_xmit+0x1d95/0x25e0 [ 290.665188] ? trace_hardirqs_on+0x10/0x10 [ 290.665189] ? netdev_pick_tx+0x300/0x300 [ 290.665192] ? ip6_finish_output2+0x9ab/0x21b0 [ 290.665193] ? memcpy+0x46/0x50 [ 290.665195] dev_queue_xmit+0x18/0x20 [ 290.665197] ? dev_queue_xmit+0x18/0x20 [ 290.665199] neigh_resolve_output+0x4d8/0x870 [ 290.665201] ip6_finish_output2+0x9ab/0x21b0 [ 290.665203] ? ip6_forward_finish+0x480/0x480 [ 290.665205] ? lock_downgrade+0x6e0/0x6e0 [ 290.665207] ip6_finish_output+0x4f4/0xb50 [ 290.665209] ? ip6_finish_output+0x4f4/0xb50 [ 290.665211] ip6_output+0x20f/0x6d0 [ 290.665212] ? ip6_finish_output+0xb50/0xb50 [ 290.665214] ? __lock_is_held+0xb6/0x140 [ 290.665216] ? ip6_fragment+0x32c0/0x32c0 [ 290.665218] ndisc_send_skb+0xb56/0x11e0 [ 290.665220] ? ndisc_error_report+0x190/0x190 [ 290.665222] ndisc_send_ns+0x360/0x7e0 [ 290.665224] ? ndisc_netdev_event+0x3b0/0x3b0 [ 290.665227] ? trace_hardirqs_on_caller+0x400/0x590 [ 290.665229] ? addrconf_dad_work+0x97c/0xff0 [ 290.665231] ? trace_hardirqs_on+0xd/0x10 [ 290.665233] ? __local_bh_enable_ip+0x99/0x1a0 [ 290.665235] addrconf_dad_work+0xa40/0xff0 [ 290.665237] ? addrconf_dad_completed+0xa70/0xa70 [ 290.665239] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 290.665241] process_one_work+0x863/0x1600 [ 290.665243] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 290.665245] worker_thread+0x5d9/0x1050 [ 290.665247] kthread+0x319/0x430 [ 290.665249] ? process_one_work+0x1600/0x1600 [ 290.665251] ? kthread_create_on_node+0xd0/0xd0 [ 290.665252] ret_from_fork+0x24/0x30 [ 290.665254] Code: 89 fa 48 83 ec 08 48 c1 ea 03 80 3c 02 00 75 52 49 8b 54 24 08 48 39 f2 0f 85 5a 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f2 <48> c1 ea 03 80 3c 02 00 75 3c 48 8b 16 4c 39 e2 0f 85 5f 01 00 [ 290.665552] rcu_sched kthread starved for 10540 jiffies! g719 c718 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 [ 291.160218] rcu_sched I29824 9 2 0x80000000 [ 291.165887] Call Trace: [ 291.168507] __schedule+0x7b8/0x1cd0 [ 291.172237] ? pci_mmcfg_check_reserved+0x150/0x150 [ 291.177253] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 291.182383] schedule+0x92/0x1c0 [ 291.186073] schedule_timeout+0x43e/0xe10 [ 291.190493] ? usleep_range+0x130/0x130 [ 291.194469] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 291.199606] ? prepare_to_swait+0xcc/0x100 [ 291.204104] ? call_timer_fn+0x670/0x670 [ 291.208182] rcu_gp_kthread+0xbf4/0x1ec0 [ 291.212297] ? force_qs_rnp+0x4d0/0x4d0 [ 291.216392] kthread+0x319/0x430 [ 291.219805] ? force_qs_rnp+0x4d0/0x4d0 [ 291.223798] ? kthread_create_on_node+0xd0/0xd0 [ 291.228489] ret_from_fork+0x24/0x30