Warning: Permanently added '10.128.0.171' (ECDSA) to the list of known hosts. syzkaller login: [ 151.136005] kauditd_printk_skb: 3 callbacks suppressed [ 151.136020] audit: type=1400 audit(1568608636.711:36): avc: denied { map } for pid=7521 comm="syz-executor318" path="/root/syz-executor318682936" 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 [ 151.153925] IPVS: ftp: loaded support on port[0] = 21 [ 151.219795] chnl_net:caif_netlink_parms(): no params data found [ 151.252550] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.259196] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.266488] device bridge_slave_0 entered promiscuous mode [ 151.274019] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.280641] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.287967] device bridge_slave_1 entered promiscuous mode [ 151.303706] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 151.312713] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 151.329003] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 151.336739] team0: Port device team_slave_0 added [ 151.342549] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 151.349708] team0: Port device team_slave_1 added [ 151.355601] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 151.364093] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 151.413990] device hsr_slave_0 entered promiscuous mode [ 151.482239] device hsr_slave_1 entered promiscuous mode [ 151.522141] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 151.529219] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 151.542789] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.549303] bridge0: port 2(bridge_slave_1) entered forwarding state [ 151.556357] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.562733] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.593797] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 151.599909] 8021q: adding VLAN 0 to HW filter on device bond0 [ 151.609369] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 151.618931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 151.637921] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.645342] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.653648] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 151.663623] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 151.669917] 8021q: adding VLAN 0 to HW filter on device team0 [ 151.679800] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 151.687726] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.694219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.704799] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 151.712637] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.719070] bridge0: port 2(bridge_slave_1) entered forwarding state [ 151.738168] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 151.749318] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 151.761228] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 151.769827] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 151.778109] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 151.786885] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 151.794618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 151.802429] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 151.809383] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 151.820778] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 151.831736] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 256.841655] rcu: INFO: rcu_preempt self-detected stall on CPU [ 256.848041] rcu: 0-...!: (10499 ticks this GP) idle=42a/1/0x4000000000000002 softirq=11931/11931 fqs=14 [ 256.857964] rcu: (t=10501 jiffies g=5197 q=88) [ 256.862724] rcu: rcu_preempt kthread starved for 10474 jiffies! g5197 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 256.874318] rcu: RCU grace-period kthread stack dump: [ 256.879496] rcu_preempt I29504 10 2 0x80000000 [ 256.885187] Call Trace: [ 256.887958] __schedule+0x866/0x1dc0 [ 256.891678] ? pci_mmcfg_check_reserved+0x170/0x170 [ 256.896698] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 256.901880] ? lockdep_hardirqs_on+0x415/0x5d0 [ 256.906565] ? trace_hardirqs_on+0x67/0x220 [ 256.910888] schedule+0x92/0x1c0 [ 256.914244] schedule_timeout+0x4db/0xfc0 [ 256.918472] ? usleep_range+0x170/0x170 [ 256.922434] ? trace_hardirqs_on+0x67/0x220 [ 256.926799] ? kasan_check_read+0x11/0x20 [ 256.930965] ? __next_timer_interrupt+0x1a0/0x1a0 [ 256.936010] ? prepare_to_swait_exclusive+0x120/0x120 [ 256.941312] rcu_gp_kthread+0xd5c/0x2190 [ 256.945483] ? rcu_blocking_is_gp+0x90/0x90 [ 256.949812] ? trace_hardirqs_on+0x67/0x220 [ 256.954134] ? kasan_check_read+0x11/0x20 [ 256.958294] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 256.963448] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.969025] ? __kthread_parkme+0xfb/0x1b0 [ 256.973254] kthread+0x354/0x420 [ 256.976613] ? rcu_blocking_is_gp+0x90/0x90 [ 256.980936] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 256.986504] ret_from_fork+0x24/0x30 [ 256.990249] NMI backtrace for cpu 0 [ 256.993907] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.72 #0 [ 257.000315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.009670] Call Trace: [ 257.012242] [ 257.014464] dump_stack+0x172/0x1f0 [ 257.018097] nmi_cpu_backtrace.cold+0x63/0xa4 [ 257.022630] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 257.027992] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 257.033260] arch_trigger_cpumask_backtrace+0x14/0x20 [ 257.038451] rcu_dump_cpu_stacks+0x189/0x1d5 [ 257.042882] ? wake_up_process+0x10/0x20 [ 257.046940] rcu_check_callbacks.cold+0x5e3/0xd90 [ 257.051777] ? trace_hardirqs_off+0x62/0x220 [ 257.056225] update_process_times+0x32/0x80 [ 257.060585] tick_sched_handle+0xa2/0x190 [ 257.064727] tick_sched_timer+0x47/0x130 [ 257.068825] __hrtimer_run_queues+0x33b/0xdc0 [ 257.073337] ? tick_sched_do_timer+0x1b0/0x1b0 [ 257.077912] ? hrtimer_fixup_activate+0x30/0x30 [ 257.082571] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 257.087577] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 257.092935] hrtimer_interrupt+0x314/0x770 [ 257.097189] smp_apic_timer_interrupt+0x111/0x550 [ 257.102026] apic_timer_interrupt+0xf/0x20 [ 257.106248] [ 257.108554] RIP: 0010:hhf_dequeue+0x6c3/0xa00 [ 257.113191] Code: 00 00 48 8b 45 c8 48 8d 7b 08 48 89 03 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 7d 02 00 00 4c 89 f8 4c 89 7b 08 48 c1 e8 03 <42> 80 3c 20 00 0f 84 10 fe ff ff 4c 89 ff e8 aa 6b 13 fc e9 03 fe [ 257.132093] RSP: 0018:ffff8880aa236998 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 257.139983] RAX: 1ffff110143f0222 RBX: ffff8880a1f81078 RCX: ffffffff858e7e8e [ 257.147264] RDX: 0000000000000100 RSI: ffffffff858e7ea0 RDI: ffff8880a1f81080 [ 257.154529] RBP: ffff8880aa2369e8 R08: ffff8880aa226240 R09: 0000000000000006 [ 257.161840] R10: ffff8880aa226bb0 R11: 00000000b484dbd1 R12: dffffc0000000000 [ 257.169103] R13: ffff8880a1f80dc0 R14: ffff8880a1f81118 R15: ffff8880a1f81110 [ 257.176481] ? hhf_dequeue+0x65e/0xa00 [ 257.180380] ? hhf_dequeue+0x670/0xa00 [ 257.184270] ? hhf_dequeue+0x670/0xa00 [ 257.188249] __qdisc_run+0x1e7/0x1960 [ 257.192105] __dev_queue_xmit+0x165c/0x2fe0 [ 257.196495] ? deliver_clone+0x61/0xc0 [ 257.200374] ? br_flood+0x5fa/0x710 [ 257.204041] ? br_handle_frame_finish+0xf72/0x1510 [ 257.208977] ? netdev_pick_tx+0x300/0x300 [ 257.213265] ? run_ksoftirqd+0x8e/0x110 [ 257.217232] ? smpboot_thread_fn+0x6a3/0xa30 [ 257.221628] ? kthread+0x354/0x420 [ 257.225163] ? entry_SYSCALL_64_after_hwframe+0xbc/0xbe [ 257.230528] ? __lock_is_held+0xb6/0x140 [ 257.234586] dev_queue_xmit+0x18/0x20 [ 257.238385] ? dev_queue_xmit+0x18/0x20 [ 257.242351] br_dev_queue_push_xmit+0x405/0x5d0 [ 257.247060] ? br_nf_dev_queue_xmit+0x38c/0x1610 [ 257.251812] br_nf_dev_queue_xmit+0x365/0x1610 [ 257.256390] br_nf_post_routing+0x76f/0x12f0 [ 257.260793] ? find_inlist_lock.constprop.0+0x22a/0x230 [ 257.266156] ? br_nf_dev_queue_xmit+0x1610/0x1610 [ 257.271041] ? ipv6_skip_exthdr+0x5b0/0x5c0 [ 257.275358] ? br_nf_pre_routing_finish_bridge+0xaa0/0xaa0 [ 257.281019] nf_hook_slow+0xbc/0x1e0 [ 257.284728] br_forward_finish+0x215/0x400 [ 257.288955] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 257.293970] ? br_fdb_add.cold+0x8a/0x8a [ 257.298021] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 257.303025] ? nf_hook_slow+0xf0/0x1e0 [ 257.306909] br_nf_hook_thresh+0x2e9/0x370 [ 257.311138] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 257.316069] ? setup_pre_routing+0x470/0x470 [ 257.320470] ? find_held_lock+0x35/0x130 [ 257.324526] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 257.329368] br_nf_forward_finish+0x356/0x700 [ 257.333854] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 257.338695] br_nf_forward_ip+0x6b4/0x17c0 [ 257.343532] ? br_nf_forward_finish+0x700/0x700 [ 257.348373] ? refcount_inc_not_zero_checked+0x147/0x200 [ 257.353831] ? br_nf_hook_thresh+0x370/0x370 [ 257.358234] nf_hook_slow+0xbc/0x1e0 [ 257.361941] __br_forward+0x393/0xb30 [ 257.365756] ? br_forward_finish+0x400/0x400 [ 257.370315] ? br_dev_queue_push_xmit+0x5d0/0x5d0 [ 257.375167] deliver_clone+0x61/0xc0 [ 257.378886] br_flood+0x5fa/0x710 [ 257.382337] br_handle_frame_finish+0xf72/0x1510 [ 257.387095] ? br_handle_local_finish+0x20/0x20 [ 257.391759] ? __lock_is_held+0xb6/0x140 [ 257.395902] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 257.400907] ? nf_hook_slow+0xf0/0x1e0 [ 257.404805] br_nf_hook_thresh+0x2e9/0x370 [ 257.409032] ? br_handle_local_finish+0x20/0x20 [ 257.413692] ? setup_pre_routing+0x470/0x470 [ 257.418126] ? br_handle_local_finish+0x20/0x20 [ 257.422789] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 257.427980] br_nf_pre_routing_finish_ipv6+0x6ed/0xd70 [ 257.433271] ? br_handle_local_finish+0x20/0x20 [ 257.437933] ? kasan_check_read+0x11/0x20 [ 257.442085] br_nf_pre_routing_ipv6+0x4a5/0x8ca [ 257.446744] ? br_validate_ipv6+0xb90/0xb90 [ 257.451058] ? br_nf_pre_routing_finish.cold+0x11d/0x11d [ 257.456678] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.462264] ? skb_pull_rcsum+0x164/0x340 [ 257.466413] br_nf_pre_routing+0x1016/0x159c [ 257.470827] ? br_nf_pre_routing_finish+0x1960/0x1960 [ 257.476014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.481593] ? ebt_broute+0x127/0x190 [ 257.485397] nf_hook_slow+0xbc/0x1e0 [ 257.489102] br_handle_frame+0x985/0x1480 [ 257.495074] ? br_handle_frame_finish+0x1510/0x1510 [ 257.500087] ? br_handle_local_finish+0x20/0x20 [ 257.504752] ? br_handle_frame_finish+0x1510/0x1510 [ 257.509772] __netif_receive_skb_core+0xac1/0x3570 [ 257.514706] ? __lock_acquire+0x6ee/0x49c0 [ 257.519023] ? netif_receive_skb+0x2d0/0x2d0 [ 257.523425] ? mark_held_locks+0x100/0x100 [ 257.527758] ? ip6_rcv_core.isra.0+0x1ac0/0x1ac0 [ 257.532511] ? ip6_rcv_finish_core.isra.0+0x560/0x560 [ 257.537705] ? process_backlog+0x482/0x7a0 [ 257.541956] __netif_receive_skb_one_core+0xa8/0x1a0 [ 257.547055] ? __netif_receive_skb_one_core+0xa8/0x1a0 [ 257.552326] ? __netif_receive_skb_core+0x3570/0x3570 [ 257.557507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.563116] ? check_preemption_disabled+0x48/0x290 [ 257.568131] ? lock_acquire+0x16f/0x3f0 [ 257.572101] __netif_receive_skb+0x2c/0x1d0 [ 257.576414] process_backlog+0x23a/0x7a0 [ 257.580465] ? net_rx_action+0x27b/0x1070 [ 257.584701] ? lockdep_hardirqs_on+0x19b/0x5d0 [ 257.589278] net_rx_action+0x4f5/0x1070 [ 257.593250] ? napi_complete_done+0x500/0x500 [ 257.598222] ? sched_clock+0x2e/0x50 [ 257.601939] __do_softirq+0x25c/0x921 [ 257.605842] ? pci_mmcfg_check_reserved+0x170/0x170 [ 257.610868] ? takeover_tasklets+0x7b0/0x7b0 [ 257.615276] run_ksoftirqd+0x8e/0x110 [ 257.619084] smpboot_thread_fn+0x6a3/0xa30 [ 257.623328] ? sort_range+0x30/0x30 [ 257.626946] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.632561] ? __kthread_parkme+0xfb/0x1b0 [ 257.636812] kthread+0x354/0x420 [ 257.640194] ? sort_range+0x30/0x30 [ 257.643917] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 257.649445] ret_from_fork+0x24/0x30