Warning: Permanently added '10.128.0.175' (ECDSA) to the list of known hosts. [ 63.755227] random: sshd: uninitialized urandom read (32 bytes read) [ 63.881044] audit: type=1400 audit(1568062345.751:36): avc: denied { map } for pid=6907 comm="syz-executor619" path="/root/syz-executor619628102" 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 [ 64.121303] IPVS: ftp: loaded support on port[0] = 21 [ 64.896336] chnl_net:caif_netlink_parms(): no params data found [ 64.926611] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.934550] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.941834] device bridge_slave_0 entered promiscuous mode [ 64.957463] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.964024] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.971076] device bridge_slave_1 entered promiscuous mode [ 64.985817] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 64.994694] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 65.009428] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 65.016852] team0: Port device team_slave_0 added [ 65.022256] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 65.029239] team0: Port device team_slave_1 added [ 65.034817] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 65.041989] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 65.092647] device hsr_slave_0 entered promiscuous mode [ 65.130336] device hsr_slave_1 entered promiscuous mode [ 65.200684] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 65.207940] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 65.220712] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.227331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.234223] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.240838] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.267398] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 65.274533] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.282712] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 65.291458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.299582] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.306666] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.315911] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 65.322256] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.330273] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.337825] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.344320] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.360556] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.368252] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.374657] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.382352] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.389977] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.398137] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.406115] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.416435] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.427829] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 65.434159] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.442082] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.455046] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready executing program [ 65.465127] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 170.490053] INFO: rcu_preempt self-detected stall on CPU [ 170.495595] 0-...: (10499 ticks this GP) idle=4a2/140000000000001/0 softirq=10838/10838 fqs=7 [ 170.504499] (t=10500 jiffies g=1070 c=1069 q=162) [ 170.509518] rcu_preempt kthread starved for 10486 jiffies! g1070 c1069 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=1 [ 170.520183] rcu_preempt I29824 8 2 0x80000000 [ 170.525827] Call Trace: [ 170.528416] __schedule+0x7b8/0x1cd0 [ 170.532120] ? pci_mmcfg_check_reserved+0x150/0x150 [ 170.537147] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 170.542243] schedule+0x92/0x1c0 [ 170.545594] schedule_timeout+0x43e/0xe10 [ 170.549725] ? usleep_range+0x130/0x130 [ 170.553808] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 170.558911] ? prepare_to_swait+0xcc/0x100 [ 170.563138] ? call_timer_fn+0x670/0x670 [ 170.567194] rcu_gp_kthread+0xbf4/0x1ec0 [ 170.571250] ? force_qs_rnp+0x4d0/0x4d0 [ 170.575237] kthread+0x319/0x430 [ 170.578602] ? force_qs_rnp+0x4d0/0x4d0 [ 170.582581] ? kthread_create_on_node+0xd0/0xd0 [ 170.587238] ret_from_fork+0x24/0x30 [ 170.591100] NMI backtrace for cpu 0 [ 170.594875] CPU: 0 PID: 6911 Comm: kworker/0:2 Not tainted 4.14.142 #0 [ 170.601523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.610882] Workqueue: ipv6_addrconf addrconf_dad_work [ 170.616138] Call Trace: [ 170.618703] [ 170.620837] dump_stack+0x138/0x197 [ 170.624452] nmi_cpu_backtrace.cold+0x57/0x94 [ 170.628927] ? irq_force_complete_move.cold+0x7d/0x7d [ 170.634101] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 170.639363] arch_trigger_cpumask_backtrace+0x14/0x20 [ 170.644558] rcu_dump_cpu_stacks+0x186/0x1d2 [ 170.648980] rcu_check_callbacks.cold+0x43d/0xd0a [ 170.653950] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 170.659403] update_process_times+0x31/0x70 [ 170.663716] tick_sched_handle+0x85/0x160 [ 170.667858] tick_sched_timer+0x43/0x130 [ 170.671918] __hrtimer_run_queues+0x270/0xbc0 [ 170.676403] ? tick_sched_do_timer+0xe0/0xe0 [ 170.680796] ? hrtimer_start_range_ns+0x10d0/0x10d0 [ 170.685794] hrtimer_interrupt+0x1d8/0x5d0 [ 170.690023] smp_apic_timer_interrupt+0x11c/0x5e0 [ 170.695012] apic_timer_interrupt+0x96/0xa0 [ 170.699340] [ 170.701571] RIP: 0010:__list_del_entry_valid+0x3d/0xf5 [ 170.706862] RSP: 0018:ffff88807ebff528 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 [ 170.714692] RAX: dffffc0000000000 RBX: ffff88809baf58b8 RCX: 0000000000000000 [ 170.721973] RDX: ffff88809baf58b8 RSI: ffff88809baf5950 RDI: ffff88809baf58c0 [ 170.729231] RBP: ffff88807ebff540 R08: 0000000000000000 R09: ffff88808bbbeef8 [ 170.736500] R10: ffff88808bbbeed8 R11: ffff88808bbbe540 R12: ffff88809baf5950 [ 170.743765] R13: ffff88809baf56c0 R14: ffff88809baf58b8 R15: ffff88809baf5940 [ 170.751167] hhf_dequeue+0x57f/0xa60 [ 170.754890] __qdisc_run+0x2b8/0xe00 [ 170.758601] __dev_queue_xmit+0x1571/0x25e0 [ 170.762919] ? trace_hardirqs_on+0x10/0x10 [ 170.767151] ? netdev_pick_tx+0x300/0x300 [ 170.771287] ? ip6_finish_output2+0x9ab/0x21b0 [ 170.775859] ? memcpy+0x46/0x50 [ 170.779123] dev_queue_xmit+0x18/0x20 [ 170.782908] ? dev_queue_xmit+0x18/0x20 [ 170.786866] neigh_resolve_output+0x4d8/0x870 [ 170.791347] ip6_finish_output2+0x9ab/0x21b0 [ 170.795743] ? ip6_forward_finish+0x480/0x480 [ 170.800224] ? lock_downgrade+0x6e0/0x6e0 [ 170.804357] ip6_finish_output+0x4f4/0xb50 [ 170.808571] ? ip6_finish_output+0x4f4/0xb50 [ 170.812962] ip6_output+0x20f/0x6d0 [ 170.816590] ? ip6_finish_output+0xb50/0xb50 [ 170.821006] ? __lock_is_held+0xb6/0x140 [ 170.825052] ? ip6_fragment+0x32c0/0x32c0 [ 170.829183] ndisc_send_skb+0xb56/0x11e0 [ 170.833228] ? ndisc_error_report+0x190/0x190 [ 170.837725] ndisc_send_ns+0x360/0x7e0 [ 170.841597] ? ndisc_netdev_event+0x3b0/0x3b0 [ 170.846083] ? trace_hardirqs_on_caller+0x400/0x590 [ 170.851081] ? addrconf_dad_work+0x97c/0xff0 [ 170.855470] ? trace_hardirqs_on+0xd/0x10 [ 170.859607] ? __local_bh_enable_ip+0x99/0x1a0 [ 170.864209] addrconf_dad_work+0xa40/0xff0 [ 170.868435] ? addrconf_dad_completed+0xa70/0xa70 [ 170.873275] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 170.878721] process_one_work+0x863/0x1600 [ 170.882952] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 170.887610] worker_thread+0x5d9/0x1050 [ 170.891573] kthread+0x319/0x430 [ 170.894923] ? process_one_work+0x1600/0x1600 [ 170.899420] ? kthread_create_on_node+0xd0/0xd0 [ 170.904095] ret_from_fork+0x24/0x30 [ 170.910027] INFO: rcu_sched detected stalls on CPUs/tasks: [ 170.915693] 0-...: (10501 ticks this GP) idle=4a2/140000000000000/0 softirq=10838/10838 fqs=0 [ 170.924515] (detected by 1, t=10542 jiffies, g=780, c=779, q=6) [ 170.930654] Sending NMI from CPU 1 to CPUs 0: [ 170.935575] NMI backtrace for cpu 0 [ 170.935578] CPU: 0 PID: 6911 Comm: kworker/0:2 Not tainted 4.14.142 #0 [ 170.935582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.935584] Workqueue: ipv6_addrconf addrconf_dad_work [ 170.935589] task: ffff88808bbbe540 task.stack: ffff88807ebf8000 [ 170.935591] RIP: 0010:__list_add_valid+0x7d/0xa0 [ 170.935593] RSP: 0018:ffff88807ebff540 EFLAGS: 00000296 [ 170.935598] RAX: 0000000000000001 RBX: ffff88809baf58b8 RCX: 0000000000000000 [ 170.935601] RDX: ffff88809baf5950 RSI: ffff88809baf5950 RDI: ffff88809baf5958 [ 170.935605] RBP: ffff88807ebff540 R08: 0000000000000000 R09: ffff88808bbbeef8 [ 170.935608] R10: ffff88808bbbeed8 R11: ffff88808bbbe540 R12: dffffc0000000000 [ 170.935611] R13: ffff88809baf56c0 R14: ffff88809baf5950 R15: ffff88809baf5940 [ 170.935614] FS: 0000000000000000(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 [ 170.935617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 170.935620] CR2: 0000000020000610 CR3: 00000000956ee000 CR4: 00000000001406f0 [ 170.935623] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 170.935626] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 170.935627] Call Trace: [ 170.935630] hhf_dequeue+0x61b/0xa60 [ 170.935632] __qdisc_run+0x2b8/0xe00 [ 170.935634] __dev_queue_xmit+0x1571/0x25e0 [ 170.935636] ? trace_hardirqs_on+0x10/0x10 [ 170.935638] ? netdev_pick_tx+0x300/0x300 [ 170.935640] ? ip6_finish_output2+0x9ab/0x21b0 [ 170.935642] ? memcpy+0x46/0x50 [ 170.935644] dev_queue_xmit+0x18/0x20 [ 170.935646] ? dev_queue_xmit+0x18/0x20 [ 170.935649] neigh_resolve_output+0x4d8/0x870 [ 170.935651] ip6_finish_output2+0x9ab/0x21b0 [ 170.935653] ? ip6_forward_finish+0x480/0x480 [ 170.935655] ? lock_downgrade+0x6e0/0x6e0 [ 170.935657] ip6_finish_output+0x4f4/0xb50 [ 170.935659] ? ip6_finish_output+0x4f4/0xb50 [ 170.935661] ip6_output+0x20f/0x6d0 [ 170.935663] ? ip6_finish_output+0xb50/0xb50 [ 170.935666] ? __lock_is_held+0xb6/0x140 [ 170.935668] ? ip6_fragment+0x32c0/0x32c0 [ 170.935670] ndisc_send_skb+0xb56/0x11e0 [ 170.935672] ? ndisc_error_report+0x190/0x190 [ 170.935674] ndisc_send_ns+0x360/0x7e0 [ 170.935676] ? ndisc_netdev_event+0x3b0/0x3b0 [ 170.935679] ? trace_hardirqs_on_caller+0x400/0x590 [ 170.935681] ? addrconf_dad_work+0x97c/0xff0 [ 170.935683] ? trace_hardirqs_on+0xd/0x10 [ 170.935686] ? __local_bh_enable_ip+0x99/0x1a0 [ 170.935688] addrconf_dad_work+0xa40/0xff0 [ 170.935690] ? addrconf_dad_completed+0xa70/0xa70 [ 170.935693] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 170.935695] process_one_work+0x863/0x1600 [ 170.935698] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 170.935700] worker_thread+0x5d9/0x1050 [ 170.935702] kthread+0x319/0x430 [ 170.935704] ? process_one_work+0x1600/0x1600 [ 170.935706] ? kthread_create_on_node+0xd0/0xd0 [ 170.935708] ret_from_fork+0x24/0x30 [ 170.935710] Code: 48 8b 16 4c 39 e2 0f 85 5f 01 00 00 49 39 f5 0f 84 3f 01 00 00 4d 39 e5 0f 84 36 01 00 00 48 83 c4 08 b8 01 00 00 00 41 5c 41 5d <5d> c3 48 89 75 e8 e8 d8 25 ae fe 48 8b 75 e8 eb 9f 48 89 f7 48 [ 170.936158] rcu_sched kthread starved for 10543 jiffies! g780 c779 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 [ 171.238144] rcu_sched I29824 9 2 0x80000000 [ 171.243794] Call Trace: [ 171.246398] __schedule+0x7b8/0x1cd0 [ 171.250117] ? pci_mmcfg_check_reserved+0x150/0x150 [ 171.255132] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 171.260232] schedule+0x92/0x1c0 [ 171.263590] schedule_timeout+0x43e/0xe10 [ 171.267732] ? usleep_range+0x130/0x130 [ 171.271695] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 171.276789] ? prepare_to_swait+0xcc/0x100 [ 171.281026] ? call_timer_fn+0x670/0x670 [ 171.285085] rcu_gp_kthread+0xbf4/0x1ec0 [ 171.289171] ? force_qs_rnp+0x4d0/0x4d0 [ 171.293144] kthread+0x319/0x430 [ 171.296502] ? force_qs_rnp+0x4d0/0x4d0 [ 171.300472] ? kthread_create_on_node+0xd0/0xd0 [ 171.305132] ret_from_fork+0x24/0x30