Warning: Permanently added '10.128.10.29' (ECDSA) to the list of known hosts. [ 49.248889] audit: type=1400 audit(1567867406.070:36): avc: denied { map } for pid=7492 comm="syz-executor691" path="/root/syz-executor691968700" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 49.277446] IPVS: ftp: loaded support on port[0] = 21 [ 49.325400] chnl_net:caif_netlink_parms(): no params data found [ 49.357216] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.363962] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.371179] device bridge_slave_0 entered promiscuous mode [ 49.378694] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.385277] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.392452] device bridge_slave_1 entered promiscuous mode [ 49.408493] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.417537] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.432896] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 49.440608] team0: Port device team_slave_0 added [ 49.446304] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 49.454120] team0: Port device team_slave_1 added [ 49.459345] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.466761] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.525786] device hsr_slave_0 entered promiscuous mode [ 49.563582] device hsr_slave_1 entered promiscuous mode [ 49.623899] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 49.631199] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 49.645618] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.652033] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.659165] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.665653] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.695945] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 49.702129] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.711535] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.720887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.740890] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.748621] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.756687] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.767348] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 49.774070] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.783181] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.791429] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.798032] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.813681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.821575] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.828013] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.835800] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.844816] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.853453] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.864507] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.876020] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.885984] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready executing program [ 49.892902] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.907989] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.917881] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 154.953260] rcu: INFO: rcu_preempt self-detected stall on CPU [ 154.959472] rcu: 0-...!: (1 GPs behind) idle=b3e/1/0x4000000000000002 softirq=9444/9445 fqs=40 [ 154.968586] rcu: (t=10501 jiffies g=4849 q=20) [ 154.973455] rcu: rcu_preempt kthread starved for 10422 jiffies! g4849 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 154.984007] rcu: RCU grace-period kthread stack dump: [ 154.989183] rcu_preempt I29104 10 2 0x80000000 [ 154.994814] Call Trace: [ 154.998103] __schedule+0x866/0x1dc0 [ 155.001813] ? pci_mmcfg_check_reserved+0x170/0x170 [ 155.006827] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 155.011923] ? lockdep_hardirqs_on+0x415/0x5d0 [ 155.016497] ? trace_hardirqs_on+0x67/0x220 [ 155.027938] schedule+0x92/0x1c0 [ 155.031317] schedule_timeout+0x4db/0xfc0 [ 155.035455] ? usleep_range+0x170/0x170 [ 155.039441] ? trace_hardirqs_on+0x67/0x220 [ 155.043768] ? kasan_check_read+0x11/0x20 [ 155.047922] ? __next_timer_interrupt+0x1a0/0x1a0 [ 155.052952] ? prepare_to_swait_exclusive+0x120/0x120 [ 155.058161] rcu_gp_kthread+0xd5c/0x2190 [ 155.062243] ? rcu_blocking_is_gp+0x90/0x90 [ 155.066558] ? trace_hardirqs_on+0x67/0x220 [ 155.070889] ? kasan_check_read+0x11/0x20 [ 155.075064] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 155.080347] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 155.085880] ? __kthread_parkme+0xfb/0x1b0 [ 155.090112] kthread+0x354/0x420 [ 155.093858] ? rcu_blocking_is_gp+0x90/0x90 [ 155.098173] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 155.103709] ret_from_fork+0x24/0x30 [ 155.107449] NMI backtrace for cpu 0 [ 155.111070] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.71 #0 [ 155.117731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.127121] Workqueue: ipv6_addrconf addrconf_dad_work [ 155.132659] Call Trace: [ 155.135230] [ 155.137495] dump_stack+0x172/0x1f0 [ 155.142505] nmi_cpu_backtrace.cold+0x63/0xa4 [ 155.147181] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 155.152265] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 155.157655] arch_trigger_cpumask_backtrace+0x14/0x20 [ 155.162886] rcu_dump_cpu_stacks+0x189/0x1d5 [ 155.167305] ? wake_up_process+0x10/0x20 [ 155.171385] rcu_check_callbacks.cold+0x5e3/0xd90 [ 155.176244] ? trace_hardirqs_off+0x62/0x220 [ 155.180661] update_process_times+0x32/0x80 [ 155.185006] tick_sched_handle+0xa2/0x190 [ 155.189155] tick_sched_timer+0x47/0x130 [ 155.193221] __hrtimer_run_queues+0x33b/0xdc0 [ 155.197719] ? tick_sched_do_timer+0x1b0/0x1b0 [ 155.202587] ? hrtimer_fixup_activate+0x30/0x30 [ 155.207881] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 155.213004] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 155.218470] hrtimer_interrupt+0x314/0x770 [ 155.222721] smp_apic_timer_interrupt+0x111/0x550 [ 155.227564] apic_timer_interrupt+0xf/0x20 [ 155.231796] RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50 [ 155.237245] Code: bc f4 ff ff ff e8 33 66 ea ff 48 c7 05 44 12 cd 08 00 00 00 00 e9 ca e9 ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 <48> 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 28 87 96 [ 155.256451] RSP: 0018:ffff8880ae806b28 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 155.264166] RAX: 0000000000000007 RBX: ffff88809cbc62b8 RCX: ffffffff858e8489 [ 155.271722] RDX: 0000000000000000 RSI: ffffffff858e8907 RDI: ffff88809cbc636c [ 155.279037] RBP: ffff8880ae806b88 R08: ffff8880aa25e380 R09: 000000000000000a [ 155.286351] R10: ffff8880aa25ed90 R11: 00000000f44bc10a R12: dffffc0000000000 [ 155.293705] R13: ffff88809cbc6000 R14: 0000000000000002 R15: 0000000000000000 [ 155.300992] ? apic_timer_interrupt+0xa/0x20 [ 155.305406] ? hhf_dequeue+0xb9/0xa00 [ 155.309215] ? hhf_dequeue+0x537/0xa00 [ 155.313201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 155.319450] ? hhf_dequeue+0x56b/0xa00 [ 155.323522] __qdisc_run+0x1e7/0x1960 [ 155.327450] __dev_queue_xmit+0x165c/0x2fe0 [ 155.331784] ? deliver_clone+0x61/0xc0 [ 155.335715] ? br_flood+0x5fa/0x710 [ 155.339340] ? br_handle_frame_finish+0xf72/0x1510 [ 155.344275] ? netdev_pick_tx+0x300/0x300 [ 155.348421] ? do_softirq_own_stack+0x2a/0x40 [ 155.352937] ? do_softirq.part.0+0x11a/0x170 [ 155.357352] ? __local_bh_enable_ip+0x211/0x270 [ 155.362236] ? ip6_finish_output2+0xbc0/0x2550 [ 155.366825] ? ip6_finish_output+0x574/0xbe0 [ 155.371227] ? ndisc_send_skb+0xf3b/0x1460 [ 155.375470] ? ndisc_send_ns+0x3a9/0x850 [ 155.379624] ? addrconf_dad_work+0xb88/0x1150 [ 155.384129] ? worker_thread+0x98/0xe40 [ 155.388107] ? kthread+0x354/0x420 [ 155.391643] ? ret_from_fork+0x24/0x30 [ 155.395541] ? __lock_is_held+0xb6/0x140 [ 155.399614] dev_queue_xmit+0x18/0x20 [ 155.403407] ? dev_queue_xmit+0x18/0x20 [ 155.407383] br_dev_queue_push_xmit+0x405/0x5d0 [ 155.412061] ? br_nf_dev_queue_xmit+0x38c/0x1610 [ 155.416817] br_nf_dev_queue_xmit+0x365/0x1610 [ 155.421580] br_nf_post_routing+0x76f/0x12f0 [ 155.425987] ? find_inlist_lock.constprop.0+0x22a/0x230 [ 155.431363] ? br_nf_dev_queue_xmit+0x1610/0x1610 [ 155.436203] ? ipv6_skip_exthdr+0x5b0/0x5c0 [ 155.440524] ? br_nf_pre_routing_finish_bridge+0xaa0/0xaa0 [ 155.446157] nf_hook_slow+0xbc/0x1e0 [ 155.449879] br_forward_finish+0x215/0x400 [ 155.454116] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 155.458962] ? br_fdb_add.cold+0x8a/0x8a [ 155.463035] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 155.468065] ? nf_hook_slow+0xf0/0x1e0 [ 155.471957] br_nf_hook_thresh+0x2e9/0x370 [ 155.476192] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 155.481037] ? setup_pre_routing+0x470/0x470 [ 155.485444] ? find_held_lock+0x35/0x130 [ 155.489512] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 155.494383] br_nf_forward_finish+0x356/0x700 [ 155.498883] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 155.503731] br_nf_forward_ip+0x6b4/0x17c0 [ 155.507966] ? br_nf_forward_finish+0x700/0x700 [ 155.512648] ? refcount_inc_not_zero_checked+0x147/0x200 [ 155.518097] ? br_nf_hook_thresh+0x370/0x370 [ 155.522502] nf_hook_slow+0xbc/0x1e0 [ 155.526319] __br_forward+0x393/0xb30 [ 155.530125] ? br_forward_finish+0x400/0x400 [ 155.534546] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 155.539398] deliver_clone+0x61/0xc0 [ 155.543113] br_flood+0x5fa/0x710 [ 155.546564] br_handle_frame_finish+0xf72/0x1510 [ 155.551322] ? br_handle_local_finish+0x20/0x20 [ 155.555987] ? __lock_is_held+0xb6/0x140 [ 155.560045] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 155.565048] ? nf_hook_slow+0xf0/0x1e0 [ 155.568932] br_nf_hook_thresh+0x2e9/0x370 [ 155.573186] ? br_handle_local_finish+0x20/0x20 [ 155.577844] ? setup_pre_routing+0x470/0x470 [ 155.582240] ? br_handle_local_finish+0x20/0x20 [ 155.586923] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 155.592113] br_nf_pre_routing_finish_ipv6+0x6ed/0xd70 [ 155.597417] ? br_handle_local_finish+0x20/0x20 [ 155.602082] ? kasan_check_read+0x11/0x20 [ 155.606225] br_nf_pre_routing_ipv6+0x4a5/0x8ca [ 155.610883] ? br_validate_ipv6+0xb90/0xb90 [ 155.615197] ? br_nf_pre_routing_finish.cold+0x11d/0x11d [ 155.620636] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 155.626163] ? skb_pull_rcsum+0x164/0x340 [ 155.630310] br_nf_pre_routing+0x1016/0x159c [ 155.634710] ? br_nf_pre_routing_finish+0x1960/0x1960 [ 155.639890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 155.645415] ? ebt_broute+0x127/0x190 [ 155.649211] nf_hook_slow+0xbc/0x1e0 [ 155.652914] br_handle_frame+0x985/0x1480 [ 155.657051] ? br_handle_frame_finish+0x1510/0x1510 [ 155.662064] ? br_handle_local_finish+0x20/0x20 [ 155.666721] ? br_handle_frame_finish+0x1510/0x1510 [ 155.671725] __netif_receive_skb_core+0xac1/0x3570 [ 155.676641] ? __lock_acquire+0x6ee/0x49c0 [ 155.680866] ? find_next_and_bit+0x19a/0x200 [ 155.685352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 155.690878] ? netif_receive_skb+0x2d0/0x2d0 [ 155.695283] ? mark_held_locks+0x100/0x100 [ 155.699508] ? process_backlog+0x482/0x7a0 [ 155.703744] __netif_receive_skb_one_core+0xa8/0x1a0 [ 155.708835] ? __netif_receive_skb_one_core+0xa8/0x1a0 [ 155.714107] ? __netif_receive_skb_core+0x3570/0x3570 [ 155.719284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 155.724806] ? check_preemption_disabled+0x48/0x290 [ 155.729806] ? lock_acquire+0x16f/0x3f0 [ 155.733769] __netif_receive_skb+0x2c/0x1d0 [ 155.738078] process_backlog+0x23a/0x7a0 [ 155.742124] ? net_rx_action+0x27b/0x1070 [ 155.746267] ? lockdep_hardirqs_on+0x19b/0x5d0 [ 155.750848] net_rx_action+0x4f5/0x1070 [ 155.754815] ? napi_complete_done+0x500/0x500 [ 155.759295] ? __lock_is_held+0xb6/0x140 [ 155.763352] __do_softirq+0x25c/0x921 [ 155.767140] ? rcu_nmi_exit+0xe4/0x140 [ 155.771022] ? ip6_finish_output2+0xb9f/0x2550 [ 155.775591] do_softirq_own_stack+0x2a/0x40 [ 155.779892] [ 155.782118] do_softirq.part.0+0x11a/0x170 [ 155.786347] __local_bh_enable_ip+0x211/0x270 [ 155.790830] ip6_finish_output2+0xbd2/0x2550 [ 155.795228] ? ip6_mtu+0x2e6/0x460 [ 155.798758] ? ip6_forward_finish+0x4d0/0x4d0 [ 155.803241] ? lock_downgrade+0x810/0x810 [ 155.807480] ? kasan_check_read+0x11/0x20 [ 155.811618] ip6_finish_output+0x574/0xbe0 [ 155.815838] ? ip6_finish_output+0x574/0xbe0 [ 155.820236] ip6_output+0x235/0x7c0 [ 155.823851] ? ip6_finish_output+0xbe0/0xbe0 [ 155.828251] ? ip6_fragment+0x3770/0x3770 [ 155.832389] ndisc_send_skb+0xf3b/0x1460 [ 155.836444] ? nf_hook.constprop.0+0x560/0x560 [ 155.841022] ? skb_set_owner_w+0x24c/0x360 [ 155.845245] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 155.850259] ndisc_send_ns+0x3a9/0x850 [ 155.854133] ? mark_held_locks+0xb1/0x100 [ 155.858271] ? ndisc_netdev_event+0x470/0x470 [ 155.862922] ? lockdep_hardirqs_on+0x415/0x5d0 [ 155.867496] ? addrconf_dad_work+0xac4/0x1150 [ 155.871985] ? trace_hardirqs_on+0x67/0x220 [ 155.876301] ? addrconf_dad_work+0xac4/0x1150 [ 155.880788] addrconf_dad_work+0xb88/0x1150 [ 155.885100] ? addrconf_dad_completed+0xbb0/0xbb0 [ 155.889934] process_one_work+0x989/0x1750 [ 155.894179] ? pwq_dec_nr_in_flight+0x320/0x320 [ 155.898840] ? lock_acquire+0x16f/0x3f0 [ 155.902823] ? kasan_check_write+0x14/0x20 [ 155.907053] ? do_raw_spin_lock+0xc8/0x240 [ 155.911277] worker_thread+0x98/0xe40 [ 155.915065] ? trace_hardirqs_on+0x67/0x220 [ 155.919382] kthread+0x354/0x420 [ 155.922743] ? process_one_work+0x1750/0x1750 [ 155.927223] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 155.932749] ret_from_fork+0x24/0x30