Warning: Permanently added '10.128.0.146' (ECDSA) to the list of known hosts. syzkaller login: [ 306.879050][ T26] kauditd_printk_skb: 2 callbacks suppressed [ 306.879069][ T26] audit: type=1400 audit(1568389481.025:36): avc: denied { map } for pid=10306 comm="syz-executor826" path="/root/syz-executor826969969" 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 [ 306.913720][T10307] IPVS: ftp: loaded support on port[0] = 21 [ 306.961812][T10307] chnl_net:caif_netlink_parms(): no params data found [ 306.983294][T10307] bridge0: port 1(bridge_slave_0) entered blocking state [ 306.990454][T10307] bridge0: port 1(bridge_slave_0) entered disabled state [ 306.997919][T10307] device bridge_slave_0 entered promiscuous mode [ 307.005007][T10307] bridge0: port 2(bridge_slave_1) entered blocking state [ 307.012121][T10307] bridge0: port 2(bridge_slave_1) entered disabled state [ 307.019591][T10307] device bridge_slave_1 entered promiscuous mode [ 307.032957][T10307] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 307.043353][T10307] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 307.059037][T10307] team0: Port device team_slave_0 added [ 307.065371][T10307] team0: Port device team_slave_1 added [ 307.118834][T10307] device hsr_slave_0 entered promiscuous mode [ 307.187669][T10307] device hsr_slave_1 entered promiscuous mode [ 307.252672][T10307] bridge0: port 2(bridge_slave_1) entered blocking state [ 307.259753][T10307] bridge0: port 2(bridge_slave_1) entered forwarding state [ 307.266997][T10307] bridge0: port 1(bridge_slave_0) entered blocking state [ 307.274064][T10307] bridge0: port 1(bridge_slave_0) entered forwarding state [ 307.299055][T10307] 8021q: adding VLAN 0 to HW filter on device bond0 [ 307.310062][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 307.328417][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 307.335856][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 307.343932][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 307.353787][T10307] 8021q: adding VLAN 0 to HW filter on device team0 [ 307.362805][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 307.371214][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 307.378262][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 307.387547][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 307.395933][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 307.403040][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 307.415941][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 307.424949][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 307.438963][T10307] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 307.449489][T10307] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 307.461069][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 307.469450][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 307.477797][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 307.486421][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 307.500391][T10307] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 412.647296][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 412.653941][ C1] rcu: 1-...!: (1 GPs behind) idle=aa6/0/0x3 softirq=10720/10721 fqs=28 [ 412.662411][ C1] (t=10500 jiffies g=10345 q=51) [ 412.667414][ C1] rcu: rcu_preempt kthread starved for 10444 jiffies! g10345 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 412.678569][ C1] rcu: RCU grace-period kthread stack dump: [ 412.684433][ C1] rcu_preempt R running task 29320 10 2 0x80004000 [ 412.692305][ C1] Call Trace: [ 412.695657][ C1] __schedule+0x755/0x1580 [ 412.700054][ C1] ? __sched_text_start+0x8/0x8 [ 412.704883][ C1] schedule+0xd9/0x260 [ 412.708938][ C1] schedule_timeout+0x486/0xc50 [ 412.713765][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 412.718679][ C1] ? usleep_range+0x170/0x170 [ 412.723333][ C1] ? trace_hardirqs_on+0x67/0x240 [ 412.728334][ C1] ? __kasan_check_read+0x11/0x20 [ 412.733341][ C1] ? __next_timer_interrupt+0x1a0/0x1a0 [ 412.738871][ C1] ? swake_up_one+0x60/0x60 [ 412.743353][ C1] rcu_gp_kthread+0x9b2/0x18c0 [ 412.748093][ C1] ? rcu_barrier+0x310/0x310 [ 412.752665][ C1] ? trace_hardirqs_on+0x67/0x240 [ 412.757682][ C1] ? __kasan_check_read+0x11/0x20 [ 412.762685][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 412.768900][ C1] ? __kthread_parkme+0x108/0x1c0 [ 412.773901][ C1] ? __kasan_check_read+0x11/0x20 [ 412.778905][ C1] kthread+0x361/0x430 [ 412.782960][ C1] ? rcu_barrier+0x310/0x310 [ 412.787529][ C1] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 412.793746][ C1] ret_from_fork+0x24/0x30 [ 412.798144][ C1] NMI backtrace for cpu 1 [ 412.802454][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0-rc8+ #0 [ 412.809533][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.819560][ C1] Call Trace: [ 412.822820][ C1] [ 412.825690][ C1] dump_stack+0x172/0x1f0 [ 412.829998][ C1] nmi_cpu_backtrace.cold+0x70/0xb2 [ 412.835176][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.841393][ C1] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 412.846999][ C1] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 412.852969][ C1] arch_trigger_cpumask_backtrace+0x14/0x20 [ 412.858839][ C1] rcu_dump_cpu_stacks+0x183/0x1cf [ 412.863930][ C1] rcu_sched_clock_irq.cold+0x4dd/0xc13 [ 412.869456][ C1] ? raise_softirq+0x138/0x340 [ 412.874197][ C1] update_process_times+0x32/0x80 [ 412.879204][ C1] tick_sched_handle+0xa2/0x190 [ 412.884032][ C1] tick_sched_timer+0x53/0x140 [ 412.888776][ C1] __hrtimer_run_queues+0x364/0xe40 [ 412.893969][ C1] ? tick_sched_do_timer+0x1b0/0x1b0 [ 412.899234][ C1] ? hrtimer_start_range_ns+0xcb0/0xcb0 [ 412.904757][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 412.910462][ C1] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 412.916518][ C1] hrtimer_interrupt+0x314/0x770 [ 412.921473][ C1] smp_apic_timer_interrupt+0x160/0x610 [ 412.927003][ C1] apic_timer_interrupt+0xf/0x20 [ 412.931949][ C1] RIP: 0010:hhf_dequeue+0x58/0xa20 [ 412.937046][ C1] Code: 48 c1 e8 03 4c 01 e0 48 89 45 c0 49 8d 85 90 03 00 00 48 89 45 c8 48 c1 e8 03 48 89 45 b8 e8 5f 1a ac fb 48 8b 45 c0 80 38 00 <0f> 85 a8 07 00 00 48 8b 75 d0 49 8b 85 80 03 00 00 49 89 f6 48 39 [ 412.956626][ C1] RSP: 0018:ffff8880ae909038 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 412.965138][ C1] RAX: ffffed10110b8d90 RBX: ffff8880885c6bf8 RCX: ffffffff85c660f9 [ 412.973102][ C1] RDX: 0000000000000100 RSI: ffffffff85c65ad1 RDI: ffff8880885c6c00 [ 412.981069][ C1] RBP: ffff8880ae909088 R08: ffff8880a98d6340 R09: 0000000000000000 [ 412.989021][ C1] R10: fffffbfff134afaf R11: ffff8880a98d6340 R12: dffffc0000000000 [ 412.996983][ C1] R13: ffff8880885c6900 R14: ffff8880885c6c98 R15: ffff8880885c6c90 [ 413.004947][ C1] ? apic_timer_interrupt+0xa/0x20 [ 413.010043][ C1] ? hhf_dequeue+0x679/0xa20 [ 413.014611][ C1] ? hhf_dequeue+0x51/0xa20 [ 413.019097][ C1] ? hhf_dequeue+0x51/0xa20 [ 413.023661][ C1] __qdisc_run+0x1e7/0x19d0 [ 413.028166][ C1] ? dev_queue_xmit+0x18/0x20 [ 413.032824][ C1] __dev_queue_xmit+0x16f1/0x3650 [ 413.037826][ C1] ? __local_bh_enable_ip+0x15a/0x270 [ 413.043186][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 413.048451][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.054705][ C1] ? br_nf_post_routing+0xd73/0x1d30 [ 413.059989][ C1] ? br_forward_finish+0x235/0x400 [ 413.065080][ C1] ? __kasan_check_read+0x11/0x20 [ 413.070081][ C1] ? __dev_queue_xmit+0x2b15/0x3650 [ 413.075259][ C1] dev_queue_xmit+0x18/0x20 [ 413.079827][ C1] ? dev_queue_xmit+0x18/0x20 [ 413.084483][ C1] br_dev_queue_push_xmit+0x3f3/0x5c0 [ 413.089882][ C1] ? nf_hook_slow+0xf0/0x1e0 [ 413.094452][ C1] br_forward_finish+0xfa/0x400 [ 413.099283][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 413.104806][ C1] ? br_fdb_add.cold+0x8c/0x8c [ 413.109549][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.115251][ C1] ? nf_hook_slow+0xf0/0x1e0 [ 413.119826][ C1] __br_forward+0x641/0xb00 [ 413.124998][ C1] ? br_forward_finish+0x400/0x400 [ 413.130087][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 413.135629][ C1] deliver_clone+0x61/0xc0 [ 413.140029][ C1] maybe_deliver+0x2c7/0x390 [ 413.144597][ C1] br_flood+0x13a/0x3d0 [ 413.148789][ C1] br_dev_xmit+0x98c/0x15a0 [ 413.153280][ C1] ? br_poll_controller+0x10/0x10 [ 413.158285][ C1] ? netif_skb_features+0x6c2/0xb90 [ 413.163497][ C1] ? netdev_set_sb_channel+0xe0/0xe0 [ 413.168764][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 413.175007][ C1] ? validate_xmit_xfrm+0x43c/0xf10 [ 413.180209][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.186425][ C1] dev_hard_start_xmit+0x1a3/0x9c0 [ 413.191515][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.197734][ C1] __dev_queue_xmit+0x2b15/0x3650 [ 413.202737][ C1] ? __nf_conntrack_find_get+0xa97/0x13a0 [ 413.208436][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 413.213842][ C1] ? __ip_finish_output+0x5fc/0xb90 [ 413.219032][ C1] ? __kasan_check_read+0x11/0x20 [ 413.224036][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.230263][ C1] ? lock_downgrade+0x920/0x920 [ 413.235089][ C1] ? lock_acquire+0x190/0x410 [ 413.239742][ C1] ? __ip_finish_output+0x5fc/0xb90 [ 413.244917][ C1] dev_queue_xmit+0x18/0x20 [ 413.249395][ C1] ? dev_queue_xmit+0x18/0x20 [ 413.254048][ C1] ip_finish_output2+0x1726/0x2570 [ 413.259172][ C1] ? nf_ct_deliver_cached_events+0x23d/0x6e0 [ 413.265134][ C1] ? ip_frag_next+0x910/0x910 [ 413.269788][ C1] ? __kasan_check_read+0x11/0x20 [ 413.274793][ C1] __ip_finish_output+0x5fc/0xb90 [ 413.279792][ C1] ? __ip_finish_output+0x5fc/0xb90 [ 413.284965][ C1] ? audit_alloc_mark+0x3f0/0x500 [ 413.289980][ C1] ip_finish_output+0x38/0x1f0 [ 413.294721][ C1] ip_output+0x21f/0x640 [ 413.298942][ C1] ? ip_mc_output+0xf40/0xf40 [ 413.303596][ C1] ? __ip_finish_output+0xb90/0xb90 [ 413.308769][ C1] ? __kasan_check_read+0x11/0x20 [ 413.313772][ C1] ip_local_out+0xbb/0x190 [ 413.318202][ C1] igmpv3_sendpack+0x1b5/0x2c0 [ 413.322945][ C1] igmp_ifc_timer_expire+0x687/0xa00 [ 413.328209][ C1] ? call_timer_fn+0xe0/0x780 [ 413.332865][ C1] call_timer_fn+0x1ac/0x780 [ 413.337430][ C1] ? __ip_mc_dec_group+0x520/0x520 [ 413.342517][ C1] ? msleep_interruptible+0x150/0x150 [ 413.347877][ C1] ? trace_hardirqs_on+0x67/0x240 [ 413.352886][ C1] ? __kasan_check_read+0x11/0x20 [ 413.357886][ C1] ? __ip_mc_dec_group+0x520/0x520 [ 413.362977][ C1] ? __ip_mc_dec_group+0x520/0x520 [ 413.368068][ C1] run_timer_softirq+0x697/0x17a0 [ 413.373071][ C1] ? add_timer+0x930/0x930 [ 413.377469][ C1] ? kvm_clock_read+0x18/0x30 [ 413.382119][ C1] ? kvm_sched_clock_read+0x9/0x20 [ 413.387208][ C1] ? sched_clock+0x2e/0x50 [ 413.391604][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 413.396431][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.402647][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.408866][ C1] __do_softirq+0x262/0x98c [ 413.413346][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 413.418174][ C1] irq_exit+0x19b/0x1e0 [ 413.422308][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 413.427831][ C1] apic_timer_interrupt+0xf/0x20 [ 413.432739][ C1] [ 413.435655][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 413.441006][ C1] Code: b8 73 6e fa eb 8a 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 24 1b 4a 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 14 1b 4a 00 fb f4 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 2e 33 22 fa e8 b9 [ 413.460594][ C1] RSP: 0018:ffff8880a98e7d68 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 413.468990][ C1] RAX: 1ffffffff11a5e8d RBX: ffff8880a98d6340 RCX: 1ffffffff134b5ee [ 413.476944][ C1] RDX: dffffc0000000000 RSI: ffffffff8177f18e RDI: ffffffff873e050c [ 413.484902][ C1] RBP: ffff8880a98e7d98 R08: ffff8880a98d6340 R09: ffffed101531ac69 [ 413.492860][ C1] R10: ffffed101531ac68 R11: ffff8880a98d6347 R12: dffffc0000000000 [ 413.500807][ C1] R13: ffffffff89a57d78 R14: 0000000000000000 R15: 0000000000000001 [ 413.508770][ C1] ? trace_hardirqs_on+0x5e/0x240 [ 413.513774][ C1] ? default_idle+0x1c/0x360 [ 413.518343][ C1] ? default_idle+0x4e/0x360 [ 413.522912][ C1] arch_cpu_idle+0xa/0x10 [ 413.527225][ C1] default_idle_call+0x84/0xb0 [ 413.531968][ C1] do_idle+0x413/0x760 [ 413.536017][ C1] ? arch_cpu_idle_exit+0x80/0x80 [ 413.541017][ C1] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 413.547145][ C1] ? complete+0x61/0x80 [ 413.551280][ C1] cpu_startup_entry+0x1b/0x20 [ 413.556020][ C1] start_secondary+0x315/0x430 [ 413.560759][ C1] ? set_cpu_sibling_map+0x2180/0x2180 [ 413.566200][ C1] secondary_startup_64+0xa4/0xb0