Warning: Permanently added '10.128.0.227' (ECDSA) to the list of known hosts. [ 239.433716] random: sshd: uninitialized urandom read (32 bytes read) [ 239.551119] audit: type=1400 audit(1567998249.481:36): avc: denied { map } for pid=6994 comm="syz-executor267" path="/root/syz-executor267384958" 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 [ 239.780965] IPVS: ftp: loaded support on port[0] = 21 [ 240.574115] chnl_net:caif_netlink_parms(): no params data found [ 240.602138] bridge0: port 1(bridge_slave_0) entered blocking state [ 240.608737] bridge0: port 1(bridge_slave_0) entered disabled state [ 240.617114] device bridge_slave_0 entered promiscuous mode [ 240.624241] bridge0: port 2(bridge_slave_1) entered blocking state [ 240.630689] bridge0: port 2(bridge_slave_1) entered disabled state [ 240.637647] device bridge_slave_1 entered promiscuous mode [ 240.653026] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 240.662472] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 240.677527] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 240.685155] team0: Port device team_slave_0 added [ 240.690728] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 240.698021] team0: Port device team_slave_1 added [ 240.703635] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 240.710902] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 240.762110] device hsr_slave_0 entered promiscuous mode [ 240.810479] device hsr_slave_1 entered promiscuous mode [ 240.850517] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 240.857434] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 240.869944] bridge0: port 2(bridge_slave_1) entered blocking state [ 240.877222] bridge0: port 2(bridge_slave_1) entered forwarding state [ 240.884173] bridge0: port 1(bridge_slave_0) entered blocking state [ 240.890628] bridge0: port 1(bridge_slave_0) entered forwarding state [ 240.917126] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 240.924155] 8021q: adding VLAN 0 to HW filter on device bond0 [ 240.932146] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 240.940923] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 240.959430] bridge0: port 1(bridge_slave_0) entered disabled state [ 240.966965] bridge0: port 2(bridge_slave_1) entered disabled state [ 240.976822] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 240.983358] 8021q: adding VLAN 0 to HW filter on device team0 [ 240.991945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 240.999595] bridge0: port 1(bridge_slave_0) entered blocking state [ 241.006134] bridge0: port 1(bridge_slave_0) entered forwarding state [ 241.014825] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 241.022840] bridge0: port 2(bridge_slave_1) entered blocking state [ 241.029171] bridge0: port 2(bridge_slave_1) entered forwarding state [ 241.042688] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 241.051015] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 241.059814] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 241.072317] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 241.082187] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 241.093432] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 241.099809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 241.107630] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 241.115191] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 241.126125] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 241.135910] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 346.220027] INFO: rcu_preempt detected stalls on CPUs/tasks: [ 346.226525] (detected by 1, t=10502 jiffies, g=1193, c=1192, q=18) [ 346.233037] All QSes seen, last rcu_preempt kthread activity 10503 (4294971920-4294961417), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 346.246228] kworker/1:3 R running task 26752 6998 2 0x80000008 [ 346.253696] Workqueue: ipv6_addrconf addrconf_dad_work [ 346.259144] Call Trace: [ 346.261734] [ 346.264029] sched_show_task.cold+0x2f0/0x351 [ 346.268622] rcu_check_callbacks.cold+0xcb1/0xd0a [ 346.273493] update_process_times+0x31/0x70 [ 346.277942] tick_sched_handle+0x85/0x160 [ 346.282098] tick_sched_timer+0x43/0x130 [ 346.286276] __hrtimer_run_queues+0x270/0xbc0 [ 346.290784] ? tick_sched_do_timer+0xe0/0xe0 [ 346.295198] ? hrtimer_start_range_ns+0x10d0/0x10d0 [ 346.300223] hrtimer_interrupt+0x1d8/0x5d0 [ 346.304759] smp_apic_timer_interrupt+0x11c/0x5e0 [ 346.309701] apic_timer_interrupt+0x96/0xa0 [ 346.314160] [ 346.316491] RIP: 0010:native_queued_spin_lock_slowpath+0x302/0x750 [ 346.323032] RSP: 0018:ffff88808ba275a8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10 [ 346.331298] RAX: 0000000000000001 RBX: ffff888092db32e0 RCX: dffffc0000000000 [ 346.339172] RDX: 1ffffffff0ee2a98 RSI: 0000000000000001 RDI: ffff888092db32e0 [ 346.346594] RBP: ffff88808ba275d8 R08: 0000000000000001 R09: ffff88808ba27368 [ 346.354264] R10: ffff88808ba27338 R11: ffff888095e2c6c0 R12: 0000000000000001 [ 346.362149] R13: 0000000000000003 R14: ffffed10125b665c R15: ffff888092db3328 [ 346.370011] ? lock_acquire+0x16f/0x430 [ 346.374201] do_raw_spin_lock+0x190/0x230 [ 346.378551] _raw_spin_lock+0x37/0x40 [ 346.382415] ? __dev_queue_xmit+0x11c0/0x25e0 [ 346.387214] __dev_queue_xmit+0x11c0/0x25e0 [ 346.392263] ? trace_hardirqs_on+0x10/0x10 [ 346.396867] ? netdev_pick_tx+0x300/0x300 [ 346.401254] ? ip6_finish_output2+0x9ab/0x21b0 [ 346.406688] ? memcpy+0x46/0x50 [ 346.411905] dev_queue_xmit+0x18/0x20 [ 346.417112] ? dev_queue_xmit+0x18/0x20 [ 346.421532] neigh_resolve_output+0x4d8/0x870 [ 346.426582] ip6_finish_output2+0x9ab/0x21b0 [ 346.431475] ? ip6_forward_finish+0x480/0x480 [ 346.436172] ? lock_downgrade+0x6e0/0x6e0 [ 346.440463] ip6_finish_output+0x4f4/0xb50 [ 346.444788] ? ip6_finish_output+0x4f4/0xb50 [ 346.449374] ip6_output+0x20f/0x6d0 [ 346.453006] ? ip6_finish_output+0xb50/0xb50 [ 346.457580] ? __lock_is_held+0xb6/0x140 [ 346.461655] ? ip6_fragment+0x32c0/0x32c0 [ 346.466221] ndisc_send_skb+0xb56/0x11e0 [ 346.470616] ? ndisc_error_report+0x190/0x190 [ 346.475400] ndisc_send_ns+0x360/0x7e0 [ 346.479396] ? ndisc_netdev_event+0x3b0/0x3b0 [ 346.483909] ? trace_hardirqs_on_caller+0x400/0x590 [ 346.489405] ? addrconf_dad_work+0x97c/0xff0 [ 346.493820] ? trace_hardirqs_on+0xd/0x10 [ 346.498222] ? __local_bh_enable_ip+0x99/0x1a0 [ 346.502994] addrconf_dad_work+0xa40/0xff0 [ 346.507327] ? addrconf_dad_completed+0xa70/0xa70 [ 346.512408] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 346.517907] process_one_work+0x863/0x1600 [ 346.522422] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 346.527196] worker_thread+0x5d9/0x1050 [ 346.531335] kthread+0x319/0x430 [ 346.534797] ? process_one_work+0x1600/0x1600 [ 346.539562] ? kthread_create_on_node+0xd0/0xd0 [ 346.545612] ret_from_fork+0x24/0x30 [ 346.549381] rcu_preempt kthread starved for 10534 jiffies! g1193 c1192 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0 [ 346.560300] rcu_preempt R running task 29776 8 2 0x80000000 [ 346.567596] Call Trace: [ 346.570437] __schedule+0x7b8/0x1cd0 [ 346.574429] ? pci_mmcfg_check_reserved+0x150/0x150 [ 346.579867] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 346.585152] schedule+0x92/0x1c0 [ 346.588617] schedule_timeout+0x43e/0xe10 [ 346.592945] ? usleep_range+0x130/0x130 [ 346.597017] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 346.602212] ? prepare_to_swait+0xcc/0x100 [ 346.606539] ? call_timer_fn+0x670/0x670 [ 346.611310] rcu_gp_kthread+0xbf4/0x1ec0 [ 346.615569] ? force_qs_rnp+0x4d0/0x4d0 [ 346.619665] kthread+0x319/0x430 [ 346.623142] ? force_qs_rnp+0x4d0/0x4d0 [ 346.627213] ? kthread_create_on_node+0xd0/0xd0 [ 346.632238] ret_from_fork+0x24/0x30