
[  206.566261]  ? kasan_check_read+0x11/0x20
[  206.570415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  206.575700]  ? generic_perform_write+0x6a0/0x6a0
[  206.580465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  206.586007]  ? check_preemption_disabled+0x48/0x280
[  206.591034]  filemap_fault+0x1595/0x25f0
[  206.595116]  ? __lock_page_or_retry+0xa00/0xa00
[  206.599794]  ? mark_held_locks+0x130/0x130
[  206.604045]  ? filemap_map_pages+0xd6b/0x1a20
[  206.608549]  ? lock_downgrade+0x900/0x900
[  206.612699]  ? check_preemption_disabled+0x48/0x280
[  206.617723]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  206.622660]  ? kasan_check_read+0x11/0x20
[  206.626811]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  206.632089]  ? rcu_softirq_qs+0x20/0x20
[  206.636084]  ? filemap_map_pages+0xd92/0x1a20
[  206.640586]  ? print_usage_bug+0xc0/0xc0
[  206.644659]  ? find_get_entries_tag+0x1400/0x1400
[  206.649510]  ? __kasan_slab_free+0x102/0x150
[  206.653928]  ? kasan_slab_free+0xe/0x10
[  206.657906]  ? kmem_cache_free+0x83/0x290
[  206.662058]  ? __sigqueue_free.part.29+0x74/0x90
[  206.666837]  ? lock_acquire+0x1ed/0x520
[  206.670816]  ? ext4_filemap_fault+0x7a/0xad
[  206.675153]  ? lock_release+0xa00/0xa00
[  206.679128]  ? perf_trace_sched_process_exec+0x860/0x860
[  206.684581]  ? print_usage_bug+0xc0/0xc0
[  206.688648]  ? print_usage_bug+0xc0/0xc0
[  206.692724]  ? down_read+0x8d/0x120
[  206.696356]  ? ext4_filemap_fault+0x7a/0xad
[  206.700683]  ? __down_interruptible+0x700/0x700
[  206.705364]  ext4_filemap_fault+0x82/0xad
[  206.709519]  __do_fault+0x100/0x6b0
[  206.713156]  ? pmd_devmap_trans_unstable+0x220/0x220
[  206.718276]  ? mark_held_locks+0x130/0x130
[  206.722527]  ? mark_held_locks+0x130/0x130
[  206.726771]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  206.732317]  ? rcu_pm_notify+0xc0/0xc0
[  206.736231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  206.741778]  __handle_mm_fault+0x3ea0/0x5be0
[  206.746208]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  206.751049]  ? _raw_spin_unlock_irq+0x27/0x80
[  206.755555]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  206.760146]  ? trace_hardirqs_on+0xbd/0x310
[  206.764475]  ? kasan_check_read+0x11/0x20
[  206.768627]  ? __set_current_blocked+0xdf/0x120
[  206.773305]  ? trace_hardirqs_off_caller+0x310/0x310
[  206.778427]  ? zap_class+0x640/0x640
[  206.782143]  ? zap_class+0x640/0x640
[  206.785866]  ? find_held_lock+0x36/0x1c0
[  206.789944]  ? handle_mm_fault+0x42a/0xc70
[  206.794185]  ? lock_downgrade+0x900/0x900
[  206.798352]  ? check_preemption_disabled+0x48/0x280
[  206.803378]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  206.808319]  ? kasan_check_read+0x11/0x20
[  206.812469]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  206.817752]  ? rcu_softirq_qs+0x20/0x20
[  206.821732]  ? trace_hardirqs_off_caller+0x310/0x310
[  206.826843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  206.832394]  ? check_preemption_disabled+0x48/0x280
[  206.837426]  handle_mm_fault+0x54f/0xc70
[  206.841495]  ? __handle_mm_fault+0x5be0/0x5be0
[  206.846085]  ? find_vma+0x34/0x190
[  206.849636]  __do_page_fault+0x5e8/0xe60
[  206.853707]  ? exit_to_usermode_loop+0x1f4/0x380
[  206.858480]  do_page_fault+0xf2/0x7e0
[  206.862285]  ? vmalloc_sync_all+0x30/0x30
[  206.866440]  ? error_entry+0x70/0xd0
[  206.870162]  ? trace_hardirqs_off_caller+0xbb/0x310
[  206.875201]  ? trace_hardirqs_on_caller+0xc0/0x310
[  206.880138]  ? syscall_return_slowpath+0x5e0/0x5e0
[  206.885072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  206.889919]  ? trace_hardirqs_on_caller+0x310/0x310
[  206.894941]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  206.900402]  ? prepare_exit_to_usermode+0x291/0x3b0
[  206.905426]  ? page_fault+0x8/0x30
[  206.908979]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  206.913830]  ? page_fault+0x8/0x30
[  206.917376]  page_fault+0x1e/0x30
[  206.920830] RIP: 0033:0x45db60
[  206.924040] Code: Bad RIP value.
[  206.927407] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  206.932769] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  206.940043] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  206.947316] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  206.954585] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  206.961857] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  206.969210] aoe: skb alloc failure
[  206.972815] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  206.983035] syz-fuzzer cpuset=/ mems_allowed=0
[  206.987634] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  206.994555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  207.003903] Call Trace:
[  207.006488]  <IRQ>
[  207.008645]  dump_stack+0x244/0x39d
[  207.012284]  ? dump_stack_print_info.cold.1+0x20/0x20
[  207.017493]  warn_alloc.cold.116+0xb7/0x1bd
[  207.021820]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  207.026675]  ? lock_downgrade+0x900/0x900
[  207.030840]  ? trace_hardirqs_off+0xb8/0x310
[  207.035260]  ? trace_hardirqs_off+0xb8/0x310
[  207.039686]  __alloc_pages_slowpath+0x26e8/0x2e10
[  207.044565]  ? warn_alloc+0x120/0x120
[  207.048377]  ? warn_alloc+0x120/0x120
[  207.052689]  ? warn_alloc+0x120/0x120
[  207.056499]  ? print_usage_bug+0xc0/0xc0
[  207.060571]  ? print_usage_bug+0xc0/0xc0
[  207.064641]  ? mark_held_locks+0x130/0x130
[  207.068886]  ? check_preemption_disabled+0x48/0x280
[  207.073904]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  207.078410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.083954]  ? should_fail+0x22d/0xd01
[  207.087844]  ? kasan_check_read+0x11/0x20
[  207.092001]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  207.097115]  ? __lock_acquire+0x62f/0x4c20
[  207.101359]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  207.106465]  ? should_fail+0x22d/0xd01
[  207.110359]  ? zap_class+0x640/0x640
[  207.114087]  ? mark_held_locks+0x130/0x130
[  207.118328]  ? mark_held_locks+0x130/0x130
[  207.122571]  ? zap_class+0x640/0x640
[  207.126291]  ? zap_class+0x640/0x640
[  207.130007]  ? up+0xea/0x1c0
[  207.133038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.138585]  ? check_preemption_disabled+0x48/0x280
[  207.143614]  ? __lock_is_held+0xb5/0x140
[  207.147684]  __alloc_pages_nodemask+0xa80/0xde0
[  207.152361]  ? zap_class+0x640/0x640
[  207.156085]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  207.161120]  ? find_held_lock+0x36/0x1c0
[  207.165211]  ? ____cache_alloc_node+0x1c7/0x1e0
[  207.169892]  ? lock_downgrade+0x900/0x900
[  207.174055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.179598]  cache_grow_begin+0xa5/0x8c0
[  207.183662]  ? do_raw_spin_unlock+0xa7/0x330
[  207.188086]  fallback_alloc+0x204/0x2e0
[  207.192068]  ____cache_alloc_node+0x1c7/0x1e0
[  207.196573]  kmem_cache_alloc_node+0xe3/0x730
[  207.201070]  ? __kmalloc_node_track_caller+0x50/0x70
[  207.206186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.211738]  __alloc_skb+0x119/0x770
[  207.215544]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  207.220920]  ? netdev_alloc_frag+0x1f0/0x1f0
[  207.225340]  ? vprintk_default+0x28/0x30
[  207.229404]  ? vprintk_func+0x85/0x181
[  207.233298]  ? printk+0xa7/0xcf
[  207.236588]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  207.241350]  ? trace_hardirqs_off+0xb8/0x310
[  207.245773]  new_skb+0x26/0x1c0
[  207.249059]  aoecmd_cfg+0x279/0x7f0
[  207.252703]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  207.257039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.262598]  ? __lock_is_held+0xb5/0x140
[  207.266673]  discover_timer+0x50/0x60
[  207.270481]  call_timer_fn+0x272/0x920
[  207.274377]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  207.279223]  ? process_timeout+0x40/0x40
[  207.283302]  ? mark_held_locks+0xc7/0x130
[  207.287458]  ? _raw_spin_unlock_irq+0x27/0x80
[  207.291955]  ? _raw_spin_unlock_irq+0x27/0x80
[  207.296457]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  207.301303]  ? lockdep_hardirqs_on+0x296/0x5b0
[  207.305890]  ? trace_hardirqs_on+0xbd/0x310
[  207.310221]  ? kasan_check_read+0x11/0x20
[  207.314374]  ? __run_timers+0x7da/0xc70
[  207.318354]  ? trace_hardirqs_off_caller+0x310/0x310
[  207.323480]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  207.328328]  __run_timers+0x7e5/0xc70
[  207.332157]  ? timer_fixup_init+0x70/0x70
[  207.336311]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  207.341331]  ? zap_class+0x640/0x640
[  207.345053]  ? print_usage_bug+0xc0/0xc0
[  207.349119]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  207.354328]  ? find_held_lock+0x36/0x1c0
[  207.358401]  ? zap_class+0x640/0x640
[  207.362124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.367676]  ? check_preemption_disabled+0x48/0x280
[  207.372716]  ? __lock_is_held+0xb5/0x140
[  207.376786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.382338]  ? check_preemption_disabled+0x48/0x280
[  207.387385]  run_timer_softirq+0x52/0xb0
[  207.391454]  ? rcu_read_lock_sched_held+0x14f/0x180
[  207.396473]  __do_softirq+0x308/0xb7e
[  207.400283]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  207.404780]  ? lock_downgrade+0x900/0x900
[  207.408934]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  207.414049]  ? pvclock_read_flags+0x160/0x160
[  207.418553]  ? lapic_next_event+0x5a/0x90
[  207.422715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.428263]  ? kvm_clock_read+0x18/0x30
[  207.432244]  ? kvm_sched_clock_read+0x9/0x20
[  207.436658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.442206]  ? check_preemption_disabled+0x48/0x280
[  207.447241]  irq_exit+0x17f/0x1c0
[  207.450704]  smp_apic_timer_interrupt+0x1cb/0x760
[  207.455548]  ? smp_reschedule_interrupt+0x109/0x650
[  207.460582]  ? smp_call_function_single_interrupt+0x650/0x650
[  207.466475]  ? interrupt_entry+0xb5/0xc0
[  207.470546]  ? trace_hardirqs_off_caller+0xbb/0x310
[  207.475664]  ? trace_hardirqs_off_caller+0xbb/0x310
[  207.480694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  207.485540]  ? trace_hardirqs_on_caller+0x310/0x310
[  207.490560]  ? trace_hardirqs_on_caller+0x310/0x310
[  207.495577]  ? task_prio+0x50/0x50
[  207.499120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.504675]  ? check_preemption_disabled+0x48/0x280
[  207.509709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  207.514568]  apic_timer_interrupt+0xf/0x20
[  207.518803]  </IRQ>
[  207.521048] RIP: 0010:lock_is_held_type+0x18b/0x210
[  207.526073] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  207.544976] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  207.552688] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  207.559961] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  207.567232] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  207.574507] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  207.581776] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  207.589084]  rcu_read_lock_held+0xa9/0xc0
[  207.593245]  css_next_child+0x2a2/0x620
[  207.597239]  ? cgroup_mount+0xd30/0xd30
[  207.601233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.606773]  ? check_preemption_disabled+0x48/0x280
[  207.611810]  ? __lock_is_held+0xb5/0x140
[  207.615893]  css_next_descendant_pre+0xeb/0x190
[  207.620574]  mem_cgroup_iter+0x42f/0x1160
[  207.624731]  ? kasan_check_write+0x14/0x20
[  207.628981]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  207.633745]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  207.638769]  ? shrink_slab+0xfa/0x8c0
[  207.642849]  ? shrink_active_list+0x1f00/0x1f00
[  207.647534]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  207.653167]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  207.658284]  ? cgroup_procs_write_finish+0xf0/0xf0
[  207.663230]  ? find_held_lock+0x36/0x1c0
[  207.667296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.672839]  ? vmpressure+0x1a2/0x340
[  207.676647]  shrink_node+0x516/0x16b0
[  207.680456]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  207.685789]  ? shrink_node_memcg+0x18f0/0x18f0
[  207.690381]  ? kvm_clock_read+0x18/0x30
[  207.694361]  ? ktime_get+0x2c1/0x400
[  207.698081]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  207.702590]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  207.708138]  ? __cpuset_node_allowed+0x19b/0x660
[  207.712903]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  207.718616]  ? delayacct_end+0x5a/0x100
[  207.722614]  do_try_to_free_pages+0x3e7/0x1290
[  207.727206]  ? zap_class+0x640/0x640
[  207.730940]  ? shrink_node+0x16b0/0x16b0
[  207.735007]  ? __lock_is_held+0xb5/0x140
[  207.739084]  try_to_free_pages+0x4d0/0xb90
[  207.743331]  ? do_try_to_free_pages+0x1290/0x1290
[  207.748196]  ? lock_acquire+0x1ed/0x520
[  207.752175]  ? set_page_refcounted+0x280/0x280
[  207.756771]  ? lock_release+0xa00/0xa00
[  207.760750]  ? _raw_spin_unlock_irq+0x60/0x80
[  207.765253]  ? psi_memstall_enter+0x240/0x2b0
[  207.769757]  ? psi_memstall_tick+0x230/0x230
[  207.774186]  __alloc_pages_slowpath+0xa14/0x2e10
[  207.778977]  ? warn_alloc+0x120/0x120
[  207.782784]  ? mark_held_locks+0x130/0x130
[  207.787038]  ? find_get_entry+0xaae/0x1120
[  207.791291]  ? filemap_map_pages+0x1a20/0x1a20
[  207.795891]  ? zap_class+0x640/0x640
[  207.799617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.805168]  ? check_preemption_disabled+0x48/0x280
[  207.810667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.816214]  ? should_fail+0x22d/0xd01
[  207.820122]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  207.825230]  ? zap_class+0x640/0x640
[  207.828972]  ? __lock_is_held+0xb5/0x140
[  207.833047]  ? mark_held_locks+0x130/0x130
[  207.837300]  ? lock_release+0xa00/0xa00
[  207.841282]  ? perf_trace_sched_process_exec+0x860/0x860
[  207.846739]  ? xa_load+0x2ba/0x460
[  207.850290]  ? lock_downgrade+0x900/0x900
[  207.854446]  ? __might_sleep+0x95/0x190
[  207.858431]  __alloc_pages_nodemask+0xa80/0xde0
[  207.863124]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  207.868148]  ? __page_cache_alloc+0x191/0x5c0
[  207.872655]  ? xa_load+0x2e1/0x460
[  207.876206]  ? xa_clear_mark+0x40/0x40
[  207.880110]  ? zap_class+0x640/0x640
[  207.883836]  ? zap_class+0x640/0x640
[  207.887551]  ? zap_class+0x640/0x640
[  207.891270]  ? __do_page_cache_readahead+0x663/0x810
[  207.896385]  ? find_held_lock+0x36/0x1c0
[  207.900463]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  207.906018]  alloc_pages_current+0x173/0x350
[  207.910437]  __page_cache_alloc+0x38c/0x5c0
[  207.914760]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  207.919691]  ? kasan_check_read+0x11/0x20
[  207.923846]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  207.929138]  ? generic_perform_write+0x6a0/0x6a0
[  207.933903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.939448]  ? check_preemption_disabled+0x48/0x280
[  207.944483]  filemap_fault+0x1595/0x25f0
[  207.948566]  ? __lock_page_or_retry+0xa00/0xa00
[  207.953246]  ? mark_held_locks+0x130/0x130
[  207.957491]  ? filemap_map_pages+0xd6b/0x1a20
[  207.961993]  ? lock_downgrade+0x900/0x900
[  207.966233]  ? check_preemption_disabled+0x48/0x280
[  207.971260]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  207.976191]  ? kasan_check_read+0x11/0x20
[  207.980343]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  207.985624]  ? rcu_softirq_qs+0x20/0x20
[  207.989709]  ? filemap_map_pages+0xd92/0x1a20
[  207.994220]  ? print_usage_bug+0xc0/0xc0
[  207.998296]  ? find_get_entries_tag+0x1400/0x1400
[  208.003146]  ? __kasan_slab_free+0x102/0x150
[  208.007555]  ? kasan_slab_free+0xe/0x10
[  208.011530]  ? kmem_cache_free+0x83/0x290
[  208.015768]  ? __sigqueue_free.part.29+0x74/0x90
[  208.020549]  ? lock_acquire+0x1ed/0x520
[  208.024525]  ? ext4_filemap_fault+0x7a/0xad
[  208.028862]  ? lock_release+0xa00/0xa00
[  208.032843]  ? perf_trace_sched_process_exec+0x860/0x860
[  208.038304]  ? print_usage_bug+0xc0/0xc0
[  208.042369]  ? print_usage_bug+0xc0/0xc0
[  208.046448]  ? down_read+0x8d/0x120
[  208.050079]  ? ext4_filemap_fault+0x7a/0xad
[  208.054500]  ? __down_interruptible+0x700/0x700
[  208.059187]  ext4_filemap_fault+0x82/0xad
[  208.063342]  __do_fault+0x100/0x6b0
[  208.066982]  ? pmd_devmap_trans_unstable+0x220/0x220
[  208.072101]  ? mark_held_locks+0x130/0x130
[  208.076341]  ? mark_held_locks+0x130/0x130
[  208.080586]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  208.086131]  ? rcu_pm_notify+0xc0/0xc0
[  208.090029]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.095581]  __handle_mm_fault+0x3ea0/0x5be0
[  208.100010]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  208.104857]  ? _raw_spin_unlock_irq+0x27/0x80
[  208.109361]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  208.113952]  ? trace_hardirqs_on+0xbd/0x310
[  208.118278]  ? kasan_check_read+0x11/0x20
[  208.122428]  ? __set_current_blocked+0xdf/0x120
[  208.127109]  ? trace_hardirqs_off_caller+0x310/0x310
[  208.132229]  ? zap_class+0x640/0x640
[  208.135961]  ? zap_class+0x640/0x640
[  208.139684]  ? find_held_lock+0x36/0x1c0
[  208.143761]  ? handle_mm_fault+0x42a/0xc70
[  208.148006]  ? lock_downgrade+0x900/0x900
[  208.152162]  ? check_preemption_disabled+0x48/0x280
[  208.157189]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  208.162120]  ? kasan_check_read+0x11/0x20
[  208.166271]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  208.171551]  ? rcu_softirq_qs+0x20/0x20
[  208.175532]  ? trace_hardirqs_off_caller+0x310/0x310
[  208.180645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.186187]  ? check_preemption_disabled+0x48/0x280
[  208.191220]  handle_mm_fault+0x54f/0xc70
[  208.195289]  ? __handle_mm_fault+0x5be0/0x5be0
[  208.199881]  ? find_vma+0x34/0x190
[  208.203430]  __do_page_fault+0x5e8/0xe60
[  208.207495]  ? exit_to_usermode_loop+0x1f4/0x380
[  208.212263]  do_page_fault+0xf2/0x7e0
[  208.216067]  ? vmalloc_sync_all+0x30/0x30
[  208.220229]  ? error_entry+0x70/0xd0
[  208.223948]  ? trace_hardirqs_off_caller+0xbb/0x310
[  208.228972]  ? trace_hardirqs_on_caller+0xc0/0x310
[  208.233904]  ? syscall_return_slowpath+0x5e0/0x5e0
[  208.238835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  208.243684]  ? trace_hardirqs_on_caller+0x310/0x310
[  208.248703]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  208.254165]  ? prepare_exit_to_usermode+0x291/0x3b0
[  208.259187]  ? page_fault+0x8/0x30
[  208.262734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  208.267587]  ? page_fault+0x8/0x30
[  208.271139]  page_fault+0x1e/0x30
[  208.274594] RIP: 0033:0x45db60
[  208.277816] Code: Bad RIP value.
[  208.281183] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  208.286547] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  208.293819] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  208.301092] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  208.308359] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  208.315634] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  208.322933] warn_alloc_show_mem: 1 callbacks suppressed
[  208.322938] Mem-Info:
[  208.330720] active_anon:52607 inactive_anon:182 isolated_anon:0
[  208.330720]  active_file:12 inactive_file:11 isolated_file:0
[  208.330720]  unevictable:0 dirty:0 writeback:0 unstable:0
[  208.330720]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  208.330720]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  208.330720]  free:13782 free_pcp:358 free_cma:0
[  208.363651] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  208.391151] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  208.417308] lowmem_reserve[]: 0 2818 6321 6321
[  208.421908] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  208.449956] lowmem_reserve[]: 0 0 3503 3503
[  208.454302] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:1024kB free_cma:0kB
[  208.483390] lowmem_reserve[]: 0 0 0 0
[  208.487201] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  208.500788] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  208.516032] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  208.531027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  208.539872] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  208.548446] 266 total pagecache pages
[  208.552265] 0 pages in swap cache
[  208.555718] Swap cache stats: add 0, delete 0, find 0/0
[  208.561074] Free swap  = 0kB
[  208.564088] Total swap = 0kB
[  208.567101] 1965979 pages RAM
[  208.570205] 0 pages HighMem/MovableOnly
[  208.574173] 342854 pages reserved
[  208.577621] 0 pages cma reserved
[  208.581032] aoe: skb alloc failure
[  208.584648] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  208.594870] syz-fuzzer cpuset=/ mems_allowed=0
[  208.599469] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  208.606396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  208.615747] Call Trace:
[  208.618326]  <IRQ>
[  208.620487]  dump_stack+0x244/0x39d
[  208.624129]  ? dump_stack_print_info.cold.1+0x20/0x20
[  208.629335]  warn_alloc.cold.116+0xb7/0x1bd
[  208.633662]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  208.638524]  ? lock_downgrade+0x900/0x900
[  208.642683]  ? trace_hardirqs_off+0xb8/0x310
[  208.647107]  ? trace_hardirqs_off+0xb8/0x310
[  208.651532]  __alloc_pages_slowpath+0x26e8/0x2e10
[  208.656402]  ? warn_alloc+0x120/0x120
[  208.660211]  ? warn_alloc+0x120/0x120
[  208.664023]  ? warn_alloc+0x120/0x120
[  208.667840]  ? print_usage_bug+0xc0/0xc0
[  208.671907]  ? print_usage_bug+0xc0/0xc0
[  208.675976]  ? mark_held_locks+0x130/0x130
[  208.680220]  ? check_preemption_disabled+0x48/0x280
[  208.685240]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  208.689742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.695283]  ? should_fail+0x22d/0xd01
[  208.699231]  ? kasan_check_read+0x11/0x20
[  208.703397]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  208.708507]  ? __lock_acquire+0x62f/0x4c20
[  208.712753]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  208.717864]  ? should_fail+0x22d/0xd01
[  208.721755]  ? zap_class+0x640/0x640
[  208.725495]  ? mark_held_locks+0x130/0x130
[  208.729735]  ? mark_held_locks+0x130/0x130
[  208.733977]  ? zap_class+0x640/0x640
[  208.737698]  ? zap_class+0x640/0x640
[  208.741416]  ? up+0xea/0x1c0
[  208.744446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.749992]  ? check_preemption_disabled+0x48/0x280
[  208.755039]  ? __lock_is_held+0xb5/0x140
[  208.759113]  __alloc_pages_nodemask+0xa80/0xde0
[  208.763785]  ? zap_class+0x640/0x640
[  208.767509]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  208.772548]  ? find_held_lock+0x36/0x1c0
[  208.776630]  ? ____cache_alloc_node+0x1c7/0x1e0
[  208.781737]  ? lock_downgrade+0x900/0x900
[  208.785897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.791443]  cache_grow_begin+0xa5/0x8c0
[  208.795511]  ? do_raw_spin_unlock+0xa7/0x330
[  208.799936]  fallback_alloc+0x204/0x2e0
[  208.803926]  ____cache_alloc_node+0x1c7/0x1e0
[  208.808430]  kmem_cache_alloc_node+0xe3/0x730
[  208.812932]  ? __kmalloc_node_track_caller+0x50/0x70
[  208.818058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.823606]  __alloc_skb+0x119/0x770
[  208.827326]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  208.832712]  ? netdev_alloc_frag+0x1f0/0x1f0
[  208.837130]  ? vprintk_default+0x28/0x30
[  208.841195]  ? vprintk_func+0x85/0x181
[  208.845095]  ? printk+0xa7/0xcf
[  208.848383]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  208.853151]  ? trace_hardirqs_off+0xb8/0x310
[  208.857574]  new_skb+0x26/0x1c0
[  208.860863]  aoecmd_cfg+0x279/0x7f0
[  208.864499]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  208.868835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.874391]  ? __lock_is_held+0xb5/0x140
[  208.878467]  discover_timer+0x50/0x60
[  208.882272]  call_timer_fn+0x272/0x920
[  208.886166]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  208.891009]  ? process_timeout+0x40/0x40
[  208.895091]  ? mark_held_locks+0xc7/0x130
[  208.899242]  ? _raw_spin_unlock_irq+0x27/0x80
[  208.903742]  ? _raw_spin_unlock_irq+0x27/0x80
[  208.908353]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  208.913200]  ? lockdep_hardirqs_on+0x296/0x5b0
[  208.917793]  ? trace_hardirqs_on+0xbd/0x310
[  208.922119]  ? kasan_check_read+0x11/0x20
[  208.926274]  ? __run_timers+0x7da/0xc70
[  208.930259]  ? trace_hardirqs_off_caller+0x310/0x310
[  208.935384]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  208.940231]  __run_timers+0x7e5/0xc70
[  208.944055]  ? timer_fixup_init+0x70/0x70
[  208.948214]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  208.953324]  ? zap_class+0x640/0x640
[  208.957047]  ? print_usage_bug+0xc0/0xc0
[  208.961117]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  208.966317]  ? find_held_lock+0x36/0x1c0
[  208.970385]  ? zap_class+0x640/0x640
[  208.974110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.979653]  ? check_preemption_disabled+0x48/0x280
[  208.984689]  ? __lock_is_held+0xb5/0x140
[  208.988759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.994307]  ? check_preemption_disabled+0x48/0x280
[  208.999334]  run_timer_softirq+0x52/0xb0
[  209.003402]  ? rcu_read_lock_sched_held+0x14f/0x180
[  209.008422]  __do_softirq+0x308/0xb7e
[  209.012232]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  209.016733]  ? lock_downgrade+0x900/0x900
[  209.020890]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  209.026014]  ? pvclock_read_flags+0x160/0x160
[  209.030516]  ? lapic_next_event+0x5a/0x90
[  209.034676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.040221]  ? kvm_clock_read+0x18/0x30
[  209.044200]  ? kvm_sched_clock_read+0x9/0x20
[  209.048615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.054163]  ? check_preemption_disabled+0x48/0x280
[  209.059192]  irq_exit+0x17f/0x1c0
[  209.062653]  smp_apic_timer_interrupt+0x1cb/0x760
[  209.067503]  ? smp_reschedule_interrupt+0x109/0x650
[  209.072526]  ? smp_call_function_single_interrupt+0x650/0x650
[  209.078416]  ? interrupt_entry+0xb5/0xc0
[  209.082482]  ? trace_hardirqs_off_caller+0xbb/0x310
[  209.087506]  ? trace_hardirqs_off_caller+0xbb/0x310
[  209.092536]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  209.097381]  ? trace_hardirqs_on_caller+0x310/0x310
[  209.102410]  ? trace_hardirqs_on_caller+0x310/0x310
[  209.107430]  ? task_prio+0x50/0x50
[  209.110974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.116533]  ? check_preemption_disabled+0x48/0x280
[  209.121562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  209.126423]  apic_timer_interrupt+0xf/0x20
[  209.130657]  </IRQ>
[  209.132900] RIP: 0010:lock_is_held_type+0x18b/0x210
[  209.137922] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  209.156825] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  209.164540] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  209.171813] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  209.179083] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  209.186355] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  209.193629] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  209.200940]  rcu_read_lock_held+0xa9/0xc0
[  209.205092]  css_next_child+0x2a2/0x620
[  209.209076]  ? cgroup_mount+0xd30/0xd30
[  209.213065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.218608]  ? check_preemption_disabled+0x48/0x280
[  209.223637]  ? __lock_is_held+0xb5/0x140
[  209.227717]  css_next_descendant_pre+0xeb/0x190
[  209.232393]  mem_cgroup_iter+0x42f/0x1160
[  209.236553]  ? kasan_check_write+0x14/0x20
[  209.240800]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  209.245558]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  209.250673]  ? shrink_slab+0xfa/0x8c0
[  209.254480]  ? shrink_active_list+0x1f00/0x1f00
[  209.259165]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  209.264796]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  209.269911]  ? cgroup_procs_write_finish+0xf0/0xf0
[  209.274852]  ? find_held_lock+0x36/0x1c0
[  209.278921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.284465]  ? vmpressure+0x1a2/0x340
[  209.288275]  shrink_node+0x516/0x16b0
[  209.292082]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  209.297392]  ? shrink_node_memcg+0x18f0/0x18f0
[  209.301993]  ? kvm_clock_read+0x18/0x30
[  209.305986]  ? ktime_get+0x2c1/0x400
[  209.309711]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  209.314215]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  209.319758]  ? __cpuset_node_allowed+0x19b/0x660
[  209.324530]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  209.330243]  ? delayacct_end+0x5a/0x100
[  209.334231]  do_try_to_free_pages+0x3e7/0x1290
[  209.338820]  ? zap_class+0x640/0x640
[  209.342564]  ? shrink_node+0x16b0/0x16b0
[  209.346635]  ? __lock_is_held+0xb5/0x140
[  209.350712]  try_to_free_pages+0x4d0/0xb90
[  209.354960]  ? do_try_to_free_pages+0x1290/0x1290
[  209.359828]  ? lock_acquire+0x1ed/0x520
[  209.363809]  ? set_page_refcounted+0x280/0x280
[  209.368401]  ? lock_release+0xa00/0xa00
[  209.372380]  ? _raw_spin_unlock_irq+0x60/0x80
[  209.376882]  ? psi_memstall_enter+0x240/0x2b0
[  209.381386]  ? psi_memstall_tick+0x230/0x230
[  209.385815]  __alloc_pages_slowpath+0xa14/0x2e10
[  209.390608]  ? warn_alloc+0x120/0x120
[  209.394411]  ? mark_held_locks+0x130/0x130
[  209.398655]  ? find_get_entry+0xaae/0x1120
[  209.402903]  ? filemap_map_pages+0x1a20/0x1a20
[  209.407492]  ? zap_class+0x640/0x640
[  209.411223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.416768]  ? check_preemption_disabled+0x48/0x280
[  209.421788]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.427332]  ? should_fail+0x22d/0xd01
[  209.431227]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  209.436341]  ? zap_class+0x640/0x640
[  209.440083]  ? __lock_is_held+0xb5/0x140
[  209.444164]  ? mark_held_locks+0x130/0x130
[  209.448404]  ? lock_release+0xa00/0xa00
[  209.452385]  ? perf_trace_sched_process_exec+0x860/0x860
[  209.457838]  ? xa_load+0x2ba/0x460
[  209.461382]  ? lock_downgrade+0x900/0x900
[  209.465544]  ? __might_sleep+0x95/0x190
[  209.469530]  __alloc_pages_nodemask+0xa80/0xde0
[  209.474216]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  209.479239]  ? __page_cache_alloc+0x191/0x5c0
[  209.483738]  ? xa_load+0x2e1/0x460
[  209.487281]  ? xa_clear_mark+0x40/0x40
[  209.491175]  ? zap_class+0x640/0x640
[  209.494900]  ? zap_class+0x640/0x640
[  209.498617]  ? zap_class+0x640/0x640
[  209.502338]  ? __do_page_cache_readahead+0x663/0x810
[  209.507455]  ? find_held_lock+0x36/0x1c0
[  209.511533]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  209.517089]  alloc_pages_current+0x173/0x350
[  209.521515]  __page_cache_alloc+0x38c/0x5c0
[  209.525843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  209.530776]  ? kasan_check_read+0x11/0x20
[  209.534929]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  209.540216]  ? generic_perform_write+0x6a0/0x6a0
[  209.544989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.550532]  ? check_preemption_disabled+0x48/0x280
[  209.555564]  filemap_fault+0x1595/0x25f0
[  209.559645]  ? __lock_page_or_retry+0xa00/0xa00
[  209.564324]  ? mark_held_locks+0x130/0x130
[  209.568662]  ? filemap_map_pages+0xd6b/0x1a20
[  209.573166]  ? lock_downgrade+0x900/0x900
[  209.577322]  ? check_preemption_disabled+0x48/0x280
[  209.582345]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  209.587284]  ? kasan_check_read+0x11/0x20
[  209.591439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  209.596723]  ? rcu_softirq_qs+0x20/0x20
[  209.600716]  ? filemap_map_pages+0xd92/0x1a20
[  209.605222]  ? print_usage_bug+0xc0/0xc0
[  209.609291]  ? find_get_entries_tag+0x1400/0x1400
[  209.614141]  ? __kasan_slab_free+0x102/0x150
[  209.618555]  ? kasan_slab_free+0xe/0x10
[  209.622531]  ? kmem_cache_free+0x83/0x290
[  209.626685]  ? __sigqueue_free.part.29+0x74/0x90
[  209.631461]  ? lock_acquire+0x1ed/0x520
[  209.635444]  ? ext4_filemap_fault+0x7a/0xad
[  209.640105]  ? lock_release+0xa00/0xa00
[  209.644085]  ? perf_trace_sched_process_exec+0x860/0x860
[  209.649544]  ? print_usage_bug+0xc0/0xc0
[  209.653613]  ? print_usage_bug+0xc0/0xc0
[  209.657695]  ? down_read+0x8d/0x120
[  209.661326]  ? ext4_filemap_fault+0x7a/0xad
[  209.665649]  ? __down_interruptible+0x700/0x700
[  209.670336]  ext4_filemap_fault+0x82/0xad
[  209.674499]  __do_fault+0x100/0x6b0
[  209.678137]  ? pmd_devmap_trans_unstable+0x220/0x220
[  209.683251]  ? mark_held_locks+0x130/0x130
[  209.687497]  ? mark_held_locks+0x130/0x130
[  209.691739]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  209.697281]  ? rcu_pm_notify+0xc0/0xc0
[  209.701182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.706731]  __handle_mm_fault+0x3ea0/0x5be0
[  209.711157]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  209.716000]  ? _raw_spin_unlock_irq+0x27/0x80
[  209.720505]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  209.725098]  ? trace_hardirqs_on+0xbd/0x310
[  209.729421]  ? kasan_check_read+0x11/0x20
[  209.733570]  ? __set_current_blocked+0xdf/0x120
[  209.738244]  ? trace_hardirqs_off_caller+0x310/0x310
[  209.743364]  ? zap_class+0x640/0x640
[  209.747084]  ? zap_class+0x640/0x640
[  209.750809]  ? find_held_lock+0x36/0x1c0
[  209.754884]  ? handle_mm_fault+0x42a/0xc70
[  209.759130]  ? lock_downgrade+0x900/0x900
[  209.763287]  ? check_preemption_disabled+0x48/0x280
[  209.768312]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  209.773247]  ? kasan_check_read+0x11/0x20
[  209.777397]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  209.782676]  ? rcu_softirq_qs+0x20/0x20
[  209.786656]  ? trace_hardirqs_off_caller+0x310/0x310
[  209.791764]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.797311]  ? check_preemption_disabled+0x48/0x280
[  209.802337]  handle_mm_fault+0x54f/0xc70
[  209.806406]  ? __handle_mm_fault+0x5be0/0x5be0
[  209.811467]  ? find_vma+0x34/0x190
[  209.815021]  __do_page_fault+0x5e8/0xe60
[  209.819091]  ? exit_to_usermode_loop+0x1f4/0x380
[  209.823863]  do_page_fault+0xf2/0x7e0
[  209.827668]  ? vmalloc_sync_all+0x30/0x30
[  209.831824]  ? error_entry+0x70/0xd0
[  209.835550]  ? trace_hardirqs_off_caller+0xbb/0x310
[  209.840571]  ? trace_hardirqs_on_caller+0xc0/0x310
[  209.845506]  ? syscall_return_slowpath+0x5e0/0x5e0
[  209.850440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  209.855301]  ? trace_hardirqs_on_caller+0x310/0x310
[  209.860327]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  209.865790]  ? prepare_exit_to_usermode+0x291/0x3b0
[  209.870813]  ? page_fault+0x8/0x30
[  209.874364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  209.879215]  ? page_fault+0x8/0x30
[  209.882758]  page_fault+0x1e/0x30
[  209.886209] RIP: 0033:0x45db60
[  209.889427] Code: Bad RIP value.
[  209.892797] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  209.898165] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  209.905434] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  209.912710] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  209.919986] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  209.927257] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  209.934546] Mem-Info:
[  209.936986] active_anon:52607 inactive_anon:182 isolated_anon:0
[  209.936986]  active_file:12 inactive_file:11 isolated_file:0
[  209.936986]  unevictable:0 dirty:0 writeback:0 unstable:0
[  209.936986]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  209.936986]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  209.936986]  free:13782 free_pcp:358 free_cma:0
[  209.970596] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  209.998094] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  210.024232] lowmem_reserve[]: 0 2818 6321 6321
[  210.028830] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  210.056699] lowmem_reserve[]: 0 0 3503 3503
[  210.061032] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:1024kB free_cma:0kB
[  210.090122] lowmem_reserve[]: 0 0 0 0
[  210.093941] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  210.107531] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  210.122775] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  210.137764] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  210.146597] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  210.155173] 266 total pagecache pages
[  210.158981] 0 pages in swap cache
[  210.162430] Swap cache stats: add 0, delete 0, find 0/0
[  210.167791] Free swap  = 0kB
[  210.170803] Total swap = 0kB
[  210.173815] 1965979 pages RAM
[  210.176921] 0 pages HighMem/MovableOnly
[  210.180887] 342854 pages reserved
[  210.184339] 0 pages cma reserved
[  210.187749] aoe: skb alloc failure
[  210.191320] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  210.201544] syz-fuzzer cpuset=/ mems_allowed=0
[  210.206141] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  210.213064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  210.222415] Call Trace:
[  210.225001]  <IRQ>
[  210.227163]  dump_stack+0x244/0x39d
[  210.230801]  ? dump_stack_print_info.cold.1+0x20/0x20
[  210.236011]  warn_alloc.cold.116+0xb7/0x1bd
[  210.240342]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  210.245195]  ? lock_downgrade+0x900/0x900
[  210.249357]  ? trace_hardirqs_off+0xb8/0x310
[  210.253776]  ? trace_hardirqs_off+0xb8/0x310
[  210.258197]  __alloc_pages_slowpath+0x26e8/0x2e10
[  210.263073]  ? warn_alloc+0x120/0x120
[  210.266889]  ? warn_alloc+0x120/0x120
[  210.270707]  ? __lock_acquire+0x62f/0x4c20
[  210.274947]  ? warn_alloc+0x120/0x120
[  210.278748]  ? print_usage_bug+0xc0/0xc0
[  210.282816]  ? print_usage_bug+0xc0/0xc0
[  210.286882]  ? print_usage_bug+0xc0/0xc0
[  210.290959]  ? mark_held_locks+0x130/0x130
[  210.295206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.300749]  ? should_fail+0x22d/0xd01
[  210.304637]  ? zap_class+0x640/0x640
[  210.308360]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  210.313469]  ? __lock_acquire+0x62f/0x4c20
[  210.317716]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  210.322821]  ? should_fail+0x22d/0xd01
[  210.326714]  ? zap_class+0x640/0x640
[  210.330451]  ? mark_held_locks+0x130/0x130
[  210.334697]  ? mark_held_locks+0x130/0x130
[  210.338939]  ? zap_class+0x640/0x640
[  210.342659]  ? zap_class+0x640/0x640
[  210.346375]  ? up+0xea/0x1c0
[  210.349405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.354980]  ? check_preemption_disabled+0x48/0x280
[  210.360011]  ? __lock_is_held+0xb5/0x140
[  210.364086]  __alloc_pages_nodemask+0xa80/0xde0
[  210.368759]  ? zap_class+0x640/0x640
[  210.372484]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  210.377516]  ? find_held_lock+0x36/0x1c0
[  210.381588]  ? ____cache_alloc_node+0x1c7/0x1e0
[  210.386266]  ? lock_downgrade+0x900/0x900
[  210.390430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.395977]  cache_grow_begin+0xa5/0x8c0
[  210.400039]  ? do_raw_spin_unlock+0xa7/0x330
[  210.404467]  fallback_alloc+0x204/0x2e0
[  210.408459]  ____cache_alloc_node+0x1c7/0x1e0
[  210.412964]  kmem_cache_alloc_node+0xe3/0x730
[  210.417464]  ? __kmalloc_node_track_caller+0x50/0x70
[  210.422573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.428128]  __alloc_skb+0x119/0x770
[  210.431842]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  210.437214]  ? netdev_alloc_frag+0x1f0/0x1f0
[  210.441634]  ? vprintk_default+0x28/0x30
[  210.445699]  ? vprintk_func+0x85/0x181
[  210.449589]  ? printk+0xa7/0xcf
[  210.452869]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  210.457639]  ? trace_hardirqs_off+0xb8/0x310
[  210.462060]  new_skb+0x26/0x1c0
[  210.465347]  aoecmd_cfg+0x279/0x7f0
[  210.468985]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  210.473322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.478874]  ? __lock_is_held+0xb5/0x140
[  210.482962]  discover_timer+0x50/0x60
[  210.486765]  call_timer_fn+0x272/0x920
[  210.490668]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  210.495515]  ? process_timeout+0x40/0x40
[  210.499594]  ? mark_held_locks+0xc7/0x130
[  210.503752]  ? _raw_spin_unlock_irq+0x27/0x80
[  210.508249]  ? _raw_spin_unlock_irq+0x27/0x80
[  210.512749]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  210.517946]  ? lockdep_hardirqs_on+0x296/0x5b0
[  210.522538]  ? trace_hardirqs_on+0xbd/0x310
[  210.526862]  ? kasan_check_read+0x11/0x20
[  210.531023]  ? __run_timers+0x7da/0xc70
[  210.535005]  ? trace_hardirqs_off_caller+0x310/0x310
[  210.540125]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  210.544980]  __run_timers+0x7e5/0xc70
[  210.548797]  ? timer_fixup_init+0x70/0x70
[  210.552957]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  210.557981]  ? zap_class+0x640/0x640
[  210.561792]  ? print_usage_bug+0xc0/0xc0
[  210.565857]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  210.571066]  ? find_held_lock+0x36/0x1c0
[  210.575143]  ? zap_class+0x640/0x640
[  210.578864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.584421]  ? check_preemption_disabled+0x48/0x280
[  210.589448]  ? __lock_is_held+0xb5/0x140
[  210.593513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.599058]  ? check_preemption_disabled+0x48/0x280
[  210.604084]  run_timer_softirq+0x52/0xb0
[  210.608154]  ? rcu_read_lock_sched_held+0x14f/0x180
[  210.613173]  __do_softirq+0x308/0xb7e
[  210.616979]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  210.621477]  ? lock_downgrade+0x900/0x900
[  210.625633]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  210.630747]  ? pvclock_read_flags+0x160/0x160
[  210.635253]  ? lapic_next_event+0x5a/0x90
[  210.639411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.644962]  ? kvm_clock_read+0x18/0x30
[  210.648939]  ? kvm_sched_clock_read+0x9/0x20
[  210.653356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.658904]  ? check_preemption_disabled+0x48/0x280
[  210.663934]  irq_exit+0x17f/0x1c0
[  210.667392]  smp_apic_timer_interrupt+0x1cb/0x760
[  210.672245]  ? smp_reschedule_interrupt+0x109/0x650
[  210.677271]  ? smp_call_function_single_interrupt+0x650/0x650
[  210.683163]  ? interrupt_entry+0xb5/0xc0
[  210.687229]  ? trace_hardirqs_off_caller+0xbb/0x310
[  210.692252]  ? trace_hardirqs_off_caller+0xbb/0x310
[  210.697276]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.702127]  ? trace_hardirqs_on_caller+0x310/0x310
[  210.707149]  ? trace_hardirqs_on_caller+0x310/0x310
[  210.712175]  ? task_prio+0x50/0x50
[  210.715724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.721275]  ? check_preemption_disabled+0x48/0x280
[  210.726301]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.731154]  apic_timer_interrupt+0xf/0x20
[  210.735382]  </IRQ>
[  210.737629] RIP: 0010:lock_is_held_type+0x18b/0x210
[  210.742650] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  210.761551] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  210.769264] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  210.776533] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  210.783805] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  210.791082] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  210.798350] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  210.805662]  rcu_read_lock_held+0xa9/0xc0
[  210.809821]  css_next_child+0x2a2/0x620
[  210.813816]  ? cgroup_mount+0xd30/0xd30
[  210.817807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.823353]  ? check_preemption_disabled+0x48/0x280
[  210.828391]  ? __lock_is_held+0xb5/0x140
[  210.832472]  css_next_descendant_pre+0xeb/0x190
[  210.837153]  mem_cgroup_iter+0x42f/0x1160
[  210.841311]  ? kasan_check_write+0x14/0x20
[  210.845560]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  210.850324]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  210.855354]  ? shrink_slab+0xfa/0x8c0
[  210.859164]  ? shrink_active_list+0x1f00/0x1f00
[  210.863851]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  210.869485]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  210.874607]  ? cgroup_procs_write_finish+0xf0/0xf0
[  210.879543]  ? find_held_lock+0x36/0x1c0
[  210.883614]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.889154]  ? vmpressure+0x1a2/0x340
[  210.892979]  shrink_node+0x516/0x16b0
[  210.896786]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  210.902093]  ? shrink_node_memcg+0x18f0/0x18f0
[  210.906685]  ? kvm_clock_read+0x18/0x30
[  210.910667]  ? ktime_get+0x2c1/0x400
[  210.914398]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  210.918900]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  210.924446]  ? __cpuset_node_allowed+0x19b/0x660
[  210.929209]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  210.934927]  ? delayacct_end+0x5a/0x100
[  210.938919]  do_try_to_free_pages+0x3e7/0x1290
[  210.943502]  ? zap_class+0x640/0x640
[  210.947241]  ? shrink_node+0x16b0/0x16b0
[  210.951306]  ? __lock_is_held+0xb5/0x140
[  210.955385]  try_to_free_pages+0x4d0/0xb90
[  210.959632]  ? do_try_to_free_pages+0x1290/0x1290
[  210.964491]  ? lock_acquire+0x1ed/0x520
[  210.968471]  ? set_page_refcounted+0x280/0x280
[  210.973065]  ? lock_release+0xa00/0xa00
[  210.977048]  ? _raw_spin_unlock_irq+0x60/0x80
[  210.981550]  ? psi_memstall_enter+0x240/0x2b0
[  210.986056]  ? psi_memstall_tick+0x230/0x230
[  210.990574]  __alloc_pages_slowpath+0xa14/0x2e10
[  210.995366]  ? warn_alloc+0x120/0x120
[  210.999172]  ? mark_held_locks+0x130/0x130
[  211.003413]  ? find_get_entry+0xaae/0x1120
[  211.007661]  ? filemap_map_pages+0x1a20/0x1a20
[  211.012251]  ? zap_class+0x640/0x640
[  211.015979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.021522]  ? check_preemption_disabled+0x48/0x280
[  211.026545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.032089]  ? should_fail+0x22d/0xd01
[  211.035987]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  211.041100]  ? zap_class+0x640/0x640
[  211.044853]  ? __lock_is_held+0xb5/0x140
[  211.049015]  ? mark_held_locks+0x130/0x130
[  211.053260]  ? lock_release+0xa00/0xa00
[  211.057240]  ? perf_trace_sched_process_exec+0x860/0x860
[  211.062696]  ? xa_load+0x2ba/0x460
[  211.066240]  ? lock_downgrade+0x900/0x900
[  211.070402]  ? __might_sleep+0x95/0x190
[  211.074389]  __alloc_pages_nodemask+0xa80/0xde0
[  211.079067]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  211.084090]  ? __page_cache_alloc+0x191/0x5c0
[  211.088589]  ? xa_load+0x2e1/0x460
[  211.092133]  ? xa_clear_mark+0x40/0x40
[  211.096032]  ? zap_class+0x640/0x640
[  211.099762]  ? zap_class+0x640/0x640
[  211.103484]  ? zap_class+0x640/0x640
[  211.107201]  ? __do_page_cache_readahead+0x663/0x810
[  211.112311]  ? find_held_lock+0x36/0x1c0
[  211.116386]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  211.121935]  alloc_pages_current+0x173/0x350
[  211.126355]  __page_cache_alloc+0x38c/0x5c0
[  211.130767]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  211.135700]  ? kasan_check_read+0x11/0x20
[  211.139861]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  211.145153]  ? generic_perform_write+0x6a0/0x6a0
[  211.149915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.155457]  ? check_preemption_disabled+0x48/0x280
[  211.160485]  filemap_fault+0x1595/0x25f0
[  211.164564]  ? __lock_page_or_retry+0xa00/0xa00
[  211.169244]  ? mark_held_locks+0x130/0x130
[  211.173497]  ? filemap_map_pages+0xd6b/0x1a20
[  211.178004]  ? lock_downgrade+0x900/0x900
[  211.182160]  ? check_preemption_disabled+0x48/0x280
[  211.187182]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  211.192116]  ? kasan_check_read+0x11/0x20
[  211.196267]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  211.201544]  ? rcu_softirq_qs+0x20/0x20
[  211.205538]  ? filemap_map_pages+0xd92/0x1a20
[  211.210044]  ? print_usage_bug+0xc0/0xc0
[  211.214119]  ? find_get_entries_tag+0x1400/0x1400
[  211.218968]  ? __kasan_slab_free+0x102/0x150
[  211.223386]  ? kasan_slab_free+0xe/0x10
[  211.227370]  ? kmem_cache_free+0x83/0x290
[  211.231524]  ? __sigqueue_free.part.29+0x74/0x90
[  211.236302]  ? lock_acquire+0x1ed/0x520
[  211.240277]  ? ext4_filemap_fault+0x7a/0xad
[  211.244608]  ? lock_release+0xa00/0xa00
[  211.248672]  ? perf_trace_sched_process_exec+0x860/0x860
[  211.254133]  ? print_usage_bug+0xc0/0xc0
[  211.258199]  ? print_usage_bug+0xc0/0xc0
[  211.262275]  ? down_read+0x8d/0x120
[  211.265903]  ? ext4_filemap_fault+0x7a/0xad
[  211.270232]  ? __down_interruptible+0x700/0x700
[  211.274916]  ext4_filemap_fault+0x82/0xad
[  211.279073]  __do_fault+0x100/0x6b0
[  211.282708]  ? pmd_devmap_trans_unstable+0x220/0x220
[  211.287830]  ? mark_held_locks+0x130/0x130
[  211.292075]  ? mark_held_locks+0x130/0x130
[  211.296317]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  211.301865]  ? rcu_pm_notify+0xc0/0xc0
[  211.305768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.311315]  __handle_mm_fault+0x3ea0/0x5be0
[  211.315743]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  211.320590]  ? _raw_spin_unlock_irq+0x27/0x80
[  211.325089]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  211.329681]  ? trace_hardirqs_on+0xbd/0x310
[  211.334005]  ? kasan_check_read+0x11/0x20
[  211.338158]  ? __set_current_blocked+0xdf/0x120
[  211.342840]  ? trace_hardirqs_off_caller+0x310/0x310
[  211.347961]  ? zap_class+0x640/0x640
[  211.351687]  ? zap_class+0x640/0x640
[  211.355413]  ? find_held_lock+0x36/0x1c0
[  211.359487]  ? handle_mm_fault+0x42a/0xc70
[  211.363729]  ? lock_downgrade+0x900/0x900
[  211.367885]  ? check_preemption_disabled+0x48/0x280
[  211.372908]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  211.377841]  ? kasan_check_read+0x11/0x20
[  211.381996]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  211.387274]  ? rcu_softirq_qs+0x20/0x20
[  211.391251]  ? trace_hardirqs_off_caller+0x310/0x310
[  211.396368]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.401914]  ? check_preemption_disabled+0x48/0x280
[  211.406941]  handle_mm_fault+0x54f/0xc70
[  211.411008]  ? __handle_mm_fault+0x5be0/0x5be0
[  211.415602]  ? find_vma+0x34/0x190
[  211.419154]  __do_page_fault+0x5e8/0xe60
[  211.423221]  ? exit_to_usermode_loop+0x1f4/0x380
[  211.427996]  do_page_fault+0xf2/0x7e0
[  211.431813]  ? vmalloc_sync_all+0x30/0x30
[  211.435971]  ? error_entry+0x70/0xd0
[  211.439691]  ? trace_hardirqs_off_caller+0xbb/0x310
[  211.444712]  ? trace_hardirqs_on_caller+0xc0/0x310
[  211.449645]  ? syscall_return_slowpath+0x5e0/0x5e0
[  211.454581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  211.459430]  ? trace_hardirqs_on_caller+0x310/0x310
[  211.464453]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  211.469915]  ? prepare_exit_to_usermode+0x291/0x3b0
[  211.474937]  ? page_fault+0x8/0x30
[  211.478489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  211.483346]  ? page_fault+0x8/0x30
[  211.486902]  page_fault+0x1e/0x30
[  211.490360] RIP: 0033:0x45db60
[  211.493569] Code: Bad RIP value.
[  211.496930] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  211.502291] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  211.509569] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  211.516841] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  211.524114] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  211.531387] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  211.538679] Mem-Info:
[  211.541114] active_anon:52607 inactive_anon:182 isolated_anon:0
[  211.541114]  active_file:12 inactive_file:11 isolated_file:0
[  211.541114]  unevictable:0 dirty:0 writeback:0 unstable:0
[  211.541114]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  211.541114]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  211.541114]  free:13782 free_pcp:358 free_cma:0
[  211.574040] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  211.601539] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  211.627680] lowmem_reserve[]: 0 2818 6321 6321
[  211.632278] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  211.660419] lowmem_reserve[]: 0 0 3503 3503
[  211.664752] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:1024kB free_cma:0kB
[  211.693846] lowmem_reserve[]: 0 0 0 0
[  211.697659] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  211.711248] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  211.726498] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  211.741485] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  211.750328] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  211.758903] 266 total pagecache pages
[  211.762713] 0 pages in swap cache
[  211.766165] Swap cache stats: add 0, delete 0, find 0/0
[  211.771524] Free swap  = 0kB
[  211.774538] Total swap = 0kB
[  211.777554] 1965979 pages RAM
[  211.780662] 0 pages HighMem/MovableOnly
[  211.784632] 342854 pages reserved
[  211.788080] 0 pages cma reserved
[  211.791486] aoe: skb alloc failure
[  211.795091] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  211.805314] syz-fuzzer cpuset=/ mems_allowed=0
[  211.810509] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  211.817431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  211.826796] Call Trace:
[  211.829381]  <IRQ>
[  211.831544]  dump_stack+0x244/0x39d
[  211.835183]  ? dump_stack_print_info.cold.1+0x20/0x20
[  211.840391]  warn_alloc.cold.116+0xb7/0x1bd
[  211.844728]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  211.849582]  ? lock_downgrade+0x900/0x900
[  211.853742]  ? trace_hardirqs_off+0xb8/0x310
[  211.858170]  ? trace_hardirqs_off+0xb8/0x310
[  211.862594]  __alloc_pages_slowpath+0x26e8/0x2e10
[  211.867472]  ? warn_alloc+0x120/0x120
[  211.871286]  ? warn_alloc+0x120/0x120
[  211.875103]  ? warn_alloc+0x120/0x120
[  211.878912]  ? print_usage_bug+0xc0/0xc0
[  211.882983]  ? print_usage_bug+0xc0/0xc0
[  211.887049]  ? mark_held_locks+0x130/0x130
[  211.891288]  ? check_preemption_disabled+0x48/0x280
[  211.896316]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  211.900818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.906364]  ? should_fail+0x22d/0xd01
[  211.910261]  ? kasan_check_read+0x11/0x20
[  211.914418]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  211.919524]  ? __lock_acquire+0x62f/0x4c20
[  211.923771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  211.928879]  ? should_fail+0x22d/0xd01
[  211.932777]  ? zap_class+0x640/0x640
[  211.936508]  ? mark_held_locks+0x130/0x130
[  211.940761]  ? mark_held_locks+0x130/0x130
[  211.945010]  ? zap_class+0x640/0x640
[  211.948736]  ? zap_class+0x640/0x640
[  211.952461]  ? up+0xea/0x1c0
[  211.955489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.961032]  ? check_preemption_disabled+0x48/0x280
[  211.966066]  ? __lock_is_held+0xb5/0x140
[  211.970141]  __alloc_pages_nodemask+0xa80/0xde0
[  211.974815]  ? zap_class+0x640/0x640
[  211.978539]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  211.983571]  ? find_held_lock+0x36/0x1c0
[  211.987648]  ? ____cache_alloc_node+0x1c7/0x1e0
[  211.992322]  ? lock_downgrade+0x900/0x900
[  211.996498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.002047]  cache_grow_begin+0xa5/0x8c0
[  212.006126]  ? do_raw_spin_unlock+0xa7/0x330
[  212.010549]  fallback_alloc+0x204/0x2e0
[  212.014538]  ____cache_alloc_node+0x1c7/0x1e0
[  212.019044]  kmem_cache_alloc_node+0xe3/0x730
[  212.023547]  ? __kmalloc_node_track_caller+0x50/0x70
[  212.028662]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.034211]  __alloc_skb+0x119/0x770
[  212.037928]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  212.043309]  ? netdev_alloc_frag+0x1f0/0x1f0
[  212.047732]  ? vprintk_default+0x28/0x30
[  212.051805]  ? vprintk_func+0x85/0x181
[  212.055701]  ? printk+0xa7/0xcf
[  212.058985]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  212.063758]  ? trace_hardirqs_off+0xb8/0x310
[  212.068175]  new_skb+0x26/0x1c0
[  212.071468]  aoecmd_cfg+0x279/0x7f0
[  212.075109]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  212.079440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.084997]  ? __lock_is_held+0xb5/0x140
[  212.089080]  discover_timer+0x50/0x60
[  212.092885]  call_timer_fn+0x272/0x920
[  212.096781]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  212.101630]  ? process_timeout+0x40/0x40
[  212.105703]  ? mark_held_locks+0xc7/0x130
[  212.109856]  ? _raw_spin_unlock_irq+0x27/0x80
[  212.114354]  ? _raw_spin_unlock_irq+0x27/0x80
[  212.118852]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  212.123699]  ? lockdep_hardirqs_on+0x296/0x5b0
[  212.128289]  ? trace_hardirqs_on+0xbd/0x310
[  212.132614]  ? kasan_check_read+0x11/0x20
[  212.136775]  ? __run_timers+0x7da/0xc70
[  212.140759]  ? trace_hardirqs_off_caller+0x310/0x310
[  212.145879]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  212.150729]  __run_timers+0x7e5/0xc70
[  212.154555]  ? timer_fixup_init+0x70/0x70
[  212.158709]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  212.163741]  ? zap_class+0x640/0x640
[  212.167467]  ? print_usage_bug+0xc0/0xc0
[  212.171532]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  212.176731]  ? find_held_lock+0x36/0x1c0
[  212.180897]  ? zap_class+0x640/0x640
[  212.184626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.190184]  ? check_preemption_disabled+0x48/0x280
[  212.195216]  ? __lock_is_held+0xb5/0x140
[  212.199290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.204832]  ? check_preemption_disabled+0x48/0x280
[  212.209860]  run_timer_softirq+0x52/0xb0
[  212.213929]  ? rcu_read_lock_sched_held+0x14f/0x180
[  212.218947]  __do_softirq+0x308/0xb7e
[  212.222767]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  212.227269]  ? lock_downgrade+0x900/0x900
[  212.231423]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  212.236537]  ? pvclock_read_flags+0x160/0x160
[  212.241044]  ? lapic_next_event+0x5a/0x90
[  212.245198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.250757]  ? kvm_clock_read+0x18/0x30
[  212.254742]  ? kvm_sched_clock_read+0x9/0x20
[  212.259162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.264791]  ? check_preemption_disabled+0x48/0x280
[  212.269825]  irq_exit+0x17f/0x1c0
[  212.273294]  smp_apic_timer_interrupt+0x1cb/0x760
[  212.278143]  ? smp_reschedule_interrupt+0x109/0x650
[  212.283163]  ? smp_call_function_single_interrupt+0x650/0x650
[  212.289052]  ? interrupt_entry+0xb5/0xc0
[  212.293115]  ? trace_hardirqs_off_caller+0xbb/0x310
[  212.298137]  ? trace_hardirqs_off_caller+0xbb/0x310
[  212.303160]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  212.308007]  ? trace_hardirqs_on_caller+0x310/0x310
[  212.313026]  ? trace_hardirqs_on_caller+0x310/0x310
[  212.318045]  ? task_prio+0x50/0x50
[  212.321595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.327137]  ? check_preemption_disabled+0x48/0x280
[  212.332161]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  212.337019]  apic_timer_interrupt+0xf/0x20
[  212.341258]  </IRQ>
[  212.343499] RIP: 0010:lock_is_held_type+0x18b/0x210
[  212.348520] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  212.367422] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  212.375133] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  212.382408] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  212.389684] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  212.396967] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  212.404237] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  212.411550]  rcu_read_lock_held+0xa9/0xc0
[  212.415707]  css_next_child+0x2a2/0x620
[  212.419703]  ? cgroup_mount+0xd30/0xd30
[  212.423699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.429252]  ? check_preemption_disabled+0x48/0x280
[  212.434289]  ? __lock_is_held+0xb5/0x140
[  212.438370]  css_next_descendant_pre+0xeb/0x190
[  212.443048]  mem_cgroup_iter+0x42f/0x1160
[  212.447204]  ? kasan_check_write+0x14/0x20
[  212.451454]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  212.456212]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  212.461239]  ? shrink_slab+0xfa/0x8c0
[  212.465054]  ? shrink_active_list+0x1f00/0x1f00
[  212.469748]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  212.475378]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  212.480494]  ? cgroup_procs_write_finish+0xf0/0xf0
[  212.485434]  ? find_held_lock+0x36/0x1c0
[  212.489502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.495045]  ? vmpressure+0x1a2/0x340
[  212.498855]  shrink_node+0x516/0x16b0
[  212.502665]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  212.507970]  ? shrink_node_memcg+0x18f0/0x18f0
[  212.512558]  ? kvm_clock_read+0x18/0x30
[  212.516536]  ? ktime_get+0x2c1/0x400
[  212.520264]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  212.524764]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  212.530302]  ? __cpuset_node_allowed+0x19b/0x660
[  212.535072]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  212.540798]  ? delayacct_end+0x5a/0x100
[  212.544790]  do_try_to_free_pages+0x3e7/0x1290
[  212.549375]  ? zap_class+0x640/0x640
[  212.553111]  ? shrink_node+0x16b0/0x16b0
[  212.557184]  ? __lock_is_held+0xb5/0x140
[  212.561267]  try_to_free_pages+0x4d0/0xb90
[  212.565513]  ? do_try_to_free_pages+0x1290/0x1290
[  212.570372]  ? lock_acquire+0x1ed/0x520
[  212.574349]  ? set_page_refcounted+0x280/0x280
[  212.578944]  ? lock_release+0xa00/0xa00
[  212.582927]  ? _raw_spin_unlock_irq+0x60/0x80
[  212.587424]  ? psi_memstall_enter+0x240/0x2b0
[  212.591927]  ? psi_memstall_tick+0x230/0x230
[  212.596353]  __alloc_pages_slowpath+0xa14/0x2e10
[  212.601147]  ? warn_alloc+0x120/0x120
[  212.604953]  ? mark_held_locks+0x130/0x130
[  212.609195]  ? find_get_entry+0xaae/0x1120
[  212.613448]  ? filemap_map_pages+0x1a20/0x1a20
[  212.618041]  ? zap_class+0x640/0x640
[  212.621776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.627318]  ? check_preemption_disabled+0x48/0x280
[  212.632341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.637885]  ? should_fail+0x22d/0xd01
[  212.641787]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  212.646900]  ? zap_class+0x640/0x640
[  212.651076]  ? __lock_is_held+0xb5/0x140
[  212.655147]  ? mark_held_locks+0x130/0x130
[  212.659387]  ? lock_release+0xa00/0xa00
[  212.663372]  ? perf_trace_sched_process_exec+0x860/0x860
[  212.668828]  ? xa_load+0x2ba/0x460
[  212.672379]  ? lock_downgrade+0x900/0x900
[  212.676540]  ? __might_sleep+0x95/0x190
[  212.680528]  __alloc_pages_nodemask+0xa80/0xde0
[  212.685211]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  212.690237]  ? __page_cache_alloc+0x191/0x5c0
[  212.694738]  ? xa_load+0x2e1/0x460
[  212.698282]  ? xa_clear_mark+0x40/0x40
[  212.702188]  ? zap_class+0x640/0x640
[  212.705922]  ? zap_class+0x640/0x640
[  212.709644]  ? zap_class+0x640/0x640
[  212.713361]  ? __do_page_cache_readahead+0x663/0x810
[  212.718477]  ? find_held_lock+0x36/0x1c0
[  212.722551]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  212.728099]  alloc_pages_current+0x173/0x350
[  212.732518]  __page_cache_alloc+0x38c/0x5c0
[  212.736844]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  212.741779]  ? kasan_check_read+0x11/0x20
[  212.745933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  212.751224]  ? generic_perform_write+0x6a0/0x6a0
[  212.755988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.761532]  ? check_preemption_disabled+0x48/0x280
[  212.766559]  filemap_fault+0x1595/0x25f0
[  212.770641]  ? __lock_page_or_retry+0xa00/0xa00
[  212.775327]  ? mark_held_locks+0x130/0x130
[  212.779575]  ? filemap_map_pages+0xd6b/0x1a20
[  212.784079]  ? lock_downgrade+0x900/0x900
[  212.788239]  ? check_preemption_disabled+0x48/0x280
[  212.793261]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  212.798197]  ? kasan_check_read+0x11/0x20
[  212.802356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  212.807639]  ? rcu_softirq_qs+0x20/0x20
[  212.811630]  ? filemap_map_pages+0xd92/0x1a20
[  212.816141]  ? print_usage_bug+0xc0/0xc0
[  212.820211]  ? find_get_entries_tag+0x1400/0x1400
[  212.825059]  ? __kasan_slab_free+0x102/0x150
[  212.829481]  ? kasan_slab_free+0xe/0x10
[  212.833457]  ? kmem_cache_free+0x83/0x290
[  212.837607]  ? __sigqueue_free.part.29+0x74/0x90
[  212.842388]  ? lock_acquire+0x1ed/0x520
[  212.846368]  ? ext4_filemap_fault+0x7a/0xad
[  212.850707]  ? lock_release+0xa00/0xa00
[  212.854690]  ? perf_trace_sched_process_exec+0x860/0x860
[  212.860143]  ? print_usage_bug+0xc0/0xc0
[  212.864214]  ? print_usage_bug+0xc0/0xc0
[  212.868291]  ? down_read+0x8d/0x120
[  212.871922]  ? ext4_filemap_fault+0x7a/0xad
[  212.876251]  ? __down_interruptible+0x700/0x700
[  212.880933]  ext4_filemap_fault+0x82/0xad
[  212.885088]  __do_fault+0x100/0x6b0
[  212.888726]  ? pmd_devmap_trans_unstable+0x220/0x220
[  212.893836]  ? mark_held_locks+0x130/0x130
[  212.898075]  ? mark_held_locks+0x130/0x130
[  212.902314]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  212.907855]  ? rcu_pm_notify+0xc0/0xc0
[  212.911751]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.917298]  __handle_mm_fault+0x3ea0/0x5be0
[  212.921717]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  212.926564]  ? _raw_spin_unlock_irq+0x27/0x80
[  212.931067]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  212.935654]  ? trace_hardirqs_on+0xbd/0x310
[  212.939983]  ? kasan_check_read+0x11/0x20
[  212.944135]  ? __set_current_blocked+0xdf/0x120
[  212.948813]  ? trace_hardirqs_off_caller+0x310/0x310
[  212.953931]  ? zap_class+0x640/0x640
[  212.957646]  ? zap_class+0x640/0x640
[  212.961379]  ? find_held_lock+0x36/0x1c0
[  212.965465]  ? handle_mm_fault+0x42a/0xc70
[  212.969708]  ? lock_downgrade+0x900/0x900
[  212.973863]  ? check_preemption_disabled+0x48/0x280
[  212.978888]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  212.983824]  ? kasan_check_read+0x11/0x20
[  212.987974]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  212.993254]  ? rcu_softirq_qs+0x20/0x20
[  212.997235]  ? trace_hardirqs_off_caller+0x310/0x310
[  213.002347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  213.007890]  ? check_preemption_disabled+0x48/0x280
[  213.012924]  handle_mm_fault+0x54f/0xc70
[  213.016998]  ? __handle_mm_fault+0x5be0/0x5be0
[  213.021588]  ? find_vma+0x34/0x190
[  213.025136]  __do_page_fault+0x5e8/0xe60
[  213.029211]  ? exit_to_usermode_loop+0x1f4/0x380
[  213.033983]  do_page_fault+0xf2/0x7e0
[  213.037792]  ? vmalloc_sync_all+0x30/0x30
[  213.041948]  ? error_entry+0x70/0xd0
[  213.045674]  ? trace_hardirqs_off_caller+0xbb/0x310
[  213.050699]  ? trace_hardirqs_on_caller+0xc0/0x310
[  213.055635]  ? syscall_return_slowpath+0x5e0/0x5e0
[  213.060580]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  213.065429]  ? trace_hardirqs_on_caller+0x310/0x310
[  213.070447]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  213.075910]  ? prepare_exit_to_usermode+0x291/0x3b0
[  213.080933]  ? page_fault+0x8/0x30
[  213.084483]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  213.089334]  ? page_fault+0x8/0x30
[  213.092878]  page_fault+0x1e/0x30
[  213.096334] RIP: 0033:0x45db60
[  213.099540] Code: Bad RIP value.
[  213.102904] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  213.108269] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  213.115538] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  213.122813] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  213.130082] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  213.137354] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  213.144644] Mem-Info:
[  213.147084] active_anon:52607 inactive_anon:182 isolated_anon:0
[  213.147084]  active_file:12 inactive_file:11 isolated_file:0
[  213.147084]  unevictable:0 dirty:0 writeback:0 unstable:0
[  213.147084]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  213.147084]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  213.147084]  free:13782 free_pcp:358 free_cma:0
[  213.180102] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  213.207689] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  213.233834] lowmem_reserve[]: 0 2818 6321 6321
[  213.238430] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  213.266304] lowmem_reserve[]: 0 0 3503 3503
[  213.270637] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:1024kB free_cma:0kB
[  213.299731] lowmem_reserve[]: 0 0 0 0
[  213.303546] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  213.317146] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  213.332401] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  213.347392] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  213.356234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  213.364806] 266 total pagecache pages
[  213.368617] 0 pages in swap cache
[  213.372074] Swap cache stats: add 0, delete 0, find 0/0
[  213.377431] Free swap  = 0kB
[  213.380448] Total swap = 0kB
[  213.383465] 1965979 pages RAM
[  213.386567] 0 pages HighMem/MovableOnly
[  213.390536] 342854 pages reserved
[  213.393992] 0 pages cma reserved
[  213.397400] aoe: skb alloc failure
[  213.400969] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  213.411195] syz-fuzzer cpuset=/ mems_allowed=0
[  213.415798] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  213.422720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  213.432073] Call Trace:
[  213.434656]  <IRQ>
[  213.436815]  dump_stack+0x244/0x39d
[  213.440454]  ? dump_stack_print_info.cold.1+0x20/0x20
[  213.445672]  warn_alloc.cold.116+0xb7/0x1bd
[  213.450003]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  213.454858]  ? lock_downgrade+0x900/0x900
[  213.459016]  ? trace_hardirqs_off+0xb8/0x310
[  213.463439]  ? trace_hardirqs_off+0xb8/0x310
[  213.467862]  __alloc_pages_slowpath+0x26e8/0x2e10
[  213.472740]  ? warn_alloc+0x120/0x120
[  213.476551]  ? warn_alloc+0x120/0x120
[  213.480357]  ? __lock_acquire+0x62f/0x4c20
[  213.484598]  ? warn_alloc+0x120/0x120
[  213.488409]  ? print_usage_bug+0xc0/0xc0
[  213.492479]  ? print_usage_bug+0xc0/0xc0
[  213.496549]  ? print_usage_bug+0xc0/0xc0
[  213.500617]  ? mark_held_locks+0x130/0x130
[  213.504872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  213.510416]  ? should_fail+0x22d/0xd01
[  213.514312]  ? zap_class+0x640/0x640
[  213.518037]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  213.523151]  ? __lock_acquire+0x62f/0x4c20
[  213.527402]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  213.532594]  ? should_fail+0x22d/0xd01
[  213.536489]  ? zap_class+0x640/0x640
[  213.540218]  ? mark_held_locks+0x130/0x130
[  213.544459]  ? mark_held_locks+0x130/0x130
[  213.548872]  ? zap_class+0x640/0x640
[  213.552592]  ? zap_class+0x640/0x640
[  213.556316]  ? up+0xea/0x1c0
[  213.559342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.564881]  ? check_preemption_disabled+0x48/0x280
[  213.570525]  ? __lock_is_held+0xb5/0x140
[  213.574598]  __alloc_pages_nodemask+0xa80/0xde0
[  213.579275]  ? zap_class+0x640/0x640
[  213.583000]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  213.588034]  ? find_held_lock+0x36/0x1c0
[  213.592114]  ? ____cache_alloc_node+0x1c7/0x1e0
[  213.596797]  ? lock_downgrade+0x900/0x900
[  213.600961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.606512]  cache_grow_begin+0xa5/0x8c0
[  213.610581]  ? do_raw_spin_unlock+0xa7/0x330
[  213.615008]  fallback_alloc+0x204/0x2e0
[  213.618994]  ____cache_alloc_node+0x1c7/0x1e0
[  213.623500]  kmem_cache_alloc_node+0xe3/0x730
[  213.627999]  ? __kmalloc_node_track_caller+0x50/0x70
[  213.633111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  213.638668]  __alloc_skb+0x119/0x770
[  213.642778]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  213.648158]  ? netdev_alloc_frag+0x1f0/0x1f0
[  213.652582]  ? vprintk_default+0x28/0x30
[  213.656658]  ? vprintk_func+0x85/0x181
[  213.660550]  ? printk+0xa7/0xcf
[  213.663923]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  213.668690]  ? trace_hardirqs_off+0xb8/0x310
[  213.673110]  new_skb+0x26/0x1c0
[  213.676401]  aoecmd_cfg+0x279/0x7f0
[  213.680039]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  213.684375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.689931]  ? __lock_is_held+0xb5/0x140
[  213.694015]  discover_timer+0x50/0x60
[  213.697821]  call_timer_fn+0x272/0x920
[  213.701712]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  213.706559]  ? process_timeout+0x40/0x40
[  213.710643]  ? mark_held_locks+0xc7/0x130
[  213.714801]  ? _raw_spin_unlock_irq+0x27/0x80
[  213.719301]  ? _raw_spin_unlock_irq+0x27/0x80
[  213.723803]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  213.728656]  ? lockdep_hardirqs_on+0x296/0x5b0
[  213.733245]  ? trace_hardirqs_on+0xbd/0x310
[  213.737569]  ? kasan_check_read+0x11/0x20
[  213.741731]  ? __run_timers+0x7da/0xc70
[  213.745713]  ? trace_hardirqs_off_caller+0x310/0x310
[  213.750832]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  213.755687]  __run_timers+0x7e5/0xc70
[  213.759506]  ? timer_fixup_init+0x70/0x70
[  213.763669]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  213.768716]  ? zap_class+0x640/0x640
[  213.772442]  ? print_usage_bug+0xc0/0xc0
[  213.776511]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  213.781711]  ? find_held_lock+0x36/0x1c0
[  213.785781]  ? zap_class+0x640/0x640
[  213.789509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.795053]  ? check_preemption_disabled+0x48/0x280
[  213.800087]  ? __lock_is_held+0xb5/0x140
[  213.804164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.810246]  ? check_preemption_disabled+0x48/0x280
[  213.815270]  run_timer_softirq+0x52/0xb0
[  213.819334]  ? rcu_read_lock_sched_held+0x14f/0x180
[  213.824359]  __do_softirq+0x308/0xb7e
[  213.828171]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  213.832670]  ? lock_downgrade+0x900/0x900
[  213.836825]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  213.841943]  ? pvclock_read_flags+0x160/0x160
[  213.846450]  ? lapic_next_event+0x5a/0x90
[  213.850623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.856259]  ? kvm_clock_read+0x18/0x30
[  213.860238]  ? kvm_sched_clock_read+0x9/0x20
[  213.864657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  213.870200]  ? check_preemption_disabled+0x48/0x280
[  213.875236]  irq_exit+0x17f/0x1c0
[  213.878700]  smp_apic_timer_interrupt+0x1cb/0x760
[  213.883549]  ? smp_reschedule_interrupt+0x109/0x650
[  213.888573]  ? smp_call_function_single_interrupt+0x650/0x650
[  213.894469]  ? interrupt_entry+0xb5/0xc0
[  213.898537]  ? trace_hardirqs_off_caller+0xbb/0x310
[  213.903558]  ? trace_hardirqs_off_caller+0xbb/0x310
[  213.908593]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  213.913439]  ? trace_hardirqs_on_caller+0x310/0x310
[  213.918460]  ? trace_hardirqs_on_caller+0x310/0x310
[  213.923482]  ? task_prio+0x50/0x50
[  213.927030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.932577]  ? check_preemption_disabled+0x48/0x280
[  213.937621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  213.942481]  apic_timer_interrupt+0xf/0x20
[  213.946711]  </IRQ>
[  213.948956] RIP: 0010:lock_is_held_type+0x18b/0x210
[  213.953981] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  213.972886] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  213.980611] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  213.987886] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  213.995156] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  214.002425] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  214.009692] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  214.017006]  rcu_read_lock_held+0xa9/0xc0
[  214.021160]  css_next_child+0x2a2/0x620
[  214.025153]  ? cgroup_mount+0xd30/0xd30
[  214.029142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.034687]  ? check_preemption_disabled+0x48/0x280
[  214.039722]  ? __lock_is_held+0xb5/0x140
[  214.043806]  css_next_descendant_pre+0xeb/0x190
[  214.048489]  mem_cgroup_iter+0x42f/0x1160
[  214.052641]  ? kasan_check_write+0x14/0x20
[  214.056886]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  214.061643]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  214.066671]  ? shrink_slab+0xfa/0x8c0
[  214.070474]  ? shrink_active_list+0x1f00/0x1f00
[  214.075153]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  214.080781]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  214.085894]  ? cgroup_procs_write_finish+0xf0/0xf0
[  214.090833]  ? find_held_lock+0x36/0x1c0
[  214.094902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.100444]  ? vmpressure+0x1a2/0x340
[  214.104254]  shrink_node+0x516/0x16b0
[  214.108063]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  214.113373]  ? shrink_node_memcg+0x18f0/0x18f0
[  214.117960]  ? kvm_clock_read+0x18/0x30
[  214.121942]  ? ktime_get+0x2c1/0x400
[  214.125663]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  214.130162]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  214.135702]  ? __cpuset_node_allowed+0x19b/0x660
[  214.140465]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  214.146178]  ? delayacct_end+0x5a/0x100
[  214.150167]  do_try_to_free_pages+0x3e7/0x1290
[  214.154757]  ? zap_class+0x640/0x640
[  214.158491]  ? shrink_node+0x16b0/0x16b0
[  214.162560]  ? __lock_is_held+0xb5/0x140
[  214.166648]  try_to_free_pages+0x4d0/0xb90
[  214.170892]  ? do_try_to_free_pages+0x1290/0x1290
[  214.175756]  ? lock_acquire+0x1ed/0x520
[  214.179736]  ? set_page_refcounted+0x280/0x280
[  214.184327]  ? lock_release+0xa00/0xa00
[  214.188306]  ? _raw_spin_unlock_irq+0x60/0x80
[  214.192806]  ? psi_memstall_enter+0x240/0x2b0
[  214.197306]  ? psi_memstall_tick+0x230/0x230
[  214.201731]  __alloc_pages_slowpath+0xa14/0x2e10
[  214.206526]  ? warn_alloc+0x120/0x120
[  214.210339]  ? mark_held_locks+0x130/0x130
[  214.214592]  ? find_get_entry+0xaae/0x1120
[  214.218837]  ? filemap_map_pages+0x1a20/0x1a20
[  214.223430]  ? zap_class+0x640/0x640
[  214.227155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.232701]  ? check_preemption_disabled+0x48/0x280
[  214.237720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.243273]  ? should_fail+0x22d/0xd01
[  214.247167]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  214.252275]  ? zap_class+0x640/0x640
[  214.256017]  ? __lock_is_held+0xb5/0x140
[  214.260094]  ? mark_held_locks+0x130/0x130
[  214.264340]  ? lock_release+0xa00/0xa00
[  214.268317]  ? perf_trace_sched_process_exec+0x860/0x860
[  214.273777]  ? xa_load+0x2ba/0x460
[  214.277334]  ? lock_downgrade+0x900/0x900
[  214.281489]  ? __might_sleep+0x95/0x190
[  214.285480]  __alloc_pages_nodemask+0xa80/0xde0
[  214.290160]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  214.295184]  ? __page_cache_alloc+0x191/0x5c0
[  214.299679]  ? xa_load+0x2e1/0x460
[  214.303230]  ? xa_clear_mark+0x40/0x40
[  214.307127]  ? zap_class+0x640/0x640
[  214.310857]  ? zap_class+0x640/0x640
[  214.314584]  ? zap_class+0x640/0x640
[  214.318305]  ? __do_page_cache_readahead+0x663/0x810
[  214.323420]  ? find_held_lock+0x36/0x1c0
[  214.327493]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  214.333040]  alloc_pages_current+0x173/0x350
[  214.337463]  __page_cache_alloc+0x38c/0x5c0
[  214.341793]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  214.346729]  ? kasan_check_read+0x11/0x20
[  214.350885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  214.356169]  ? generic_perform_write+0x6a0/0x6a0
[  214.360929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.366474]  ? check_preemption_disabled+0x48/0x280
[  214.371501]  filemap_fault+0x1595/0x25f0
[  214.375587]  ? __lock_page_or_retry+0xa00/0xa00
[  214.380265]  ? mark_held_locks+0x130/0x130
[  214.384514]  ? filemap_map_pages+0xd6b/0x1a20
[  214.389022]  ? lock_downgrade+0x900/0x900
[  214.393176]  ? check_preemption_disabled+0x48/0x280
[  214.398202]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  214.403137]  ? kasan_check_read+0x11/0x20
[  214.407287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  214.412579]  ? rcu_softirq_qs+0x20/0x20
[  214.416578]  ? filemap_map_pages+0xd92/0x1a20
[  214.421086]  ? print_usage_bug+0xc0/0xc0
[  214.425163]  ? find_get_entries_tag+0x1400/0x1400
[  214.430007]  ? __kasan_slab_free+0x102/0x150
[  214.434422]  ? kasan_slab_free+0xe/0x10
[  214.438395]  ? kmem_cache_free+0x83/0x290
[  214.442552]  ? __sigqueue_free.part.29+0x74/0x90
[  214.447330]  ? lock_acquire+0x1ed/0x520
[  214.451310]  ? ext4_filemap_fault+0x7a/0xad
[  214.455641]  ? lock_release+0xa00/0xa00
[  214.459620]  ? perf_trace_sched_process_exec+0x860/0x860
[  214.465080]  ? print_usage_bug+0xc0/0xc0
[  214.469147]  ? print_usage_bug+0xc0/0xc0
[  214.473226]  ? down_read+0x8d/0x120
[  214.476855]  ? ext4_filemap_fault+0x7a/0xad
[  214.481444]  ? __down_interruptible+0x700/0x700
[  214.486130]  ext4_filemap_fault+0x82/0xad
[  214.490284]  __do_fault+0x100/0x6b0
[  214.493925]  ? pmd_devmap_trans_unstable+0x220/0x220
[  214.499036]  ? mark_held_locks+0x130/0x130
[  214.503281]  ? mark_held_locks+0x130/0x130
[  214.507524]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  214.513083]  ? rcu_pm_notify+0xc0/0xc0
[  214.516983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.522529]  __handle_mm_fault+0x3ea0/0x5be0
[  214.526970]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  214.531814]  ? _raw_spin_unlock_irq+0x27/0x80
[  214.536489]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  214.541080]  ? trace_hardirqs_on+0xbd/0x310
[  214.545404]  ? kasan_check_read+0x11/0x20
[  214.549571]  ? __set_current_blocked+0xdf/0x120
[  214.554249]  ? trace_hardirqs_off_caller+0x310/0x310
[  214.559373]  ? zap_class+0x640/0x640
[  214.563095]  ? zap_class+0x640/0x640
[  214.566822]  ? find_held_lock+0x36/0x1c0
[  214.570899]  ? handle_mm_fault+0x42a/0xc70
[  214.575138]  ? lock_downgrade+0x900/0x900
[  214.579291]  ? check_preemption_disabled+0x48/0x280
[  214.584318]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  214.589251]  ? kasan_check_read+0x11/0x20
[  214.593403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  214.598686]  ? rcu_softirq_qs+0x20/0x20
[  214.602667]  ? trace_hardirqs_off_caller+0x310/0x310
[  214.607779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.613323]  ? check_preemption_disabled+0x48/0x280
[  214.618356]  handle_mm_fault+0x54f/0xc70
[  214.622431]  ? __handle_mm_fault+0x5be0/0x5be0
[  214.627025]  ? find_vma+0x34/0x190
[  214.630584]  __do_page_fault+0x5e8/0xe60
[  214.634656]  ? exit_to_usermode_loop+0x1f4/0x380
[  214.639429]  do_page_fault+0xf2/0x7e0
[  214.643233]  ? vmalloc_sync_all+0x30/0x30
[  214.647385]  ? error_entry+0x70/0xd0
[  214.651114]  ? trace_hardirqs_off_caller+0xbb/0x310
[  214.656133]  ? trace_hardirqs_on_caller+0xc0/0x310
[  214.661070]  ? syscall_return_slowpath+0x5e0/0x5e0
[  214.666003]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  214.670855]  ? trace_hardirqs_on_caller+0x310/0x310
[  214.675878]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  214.681340]  ? prepare_exit_to_usermode+0x291/0x3b0
[  214.686361]  ? page_fault+0x8/0x30
[  214.689906]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  214.694761]  ? page_fault+0x8/0x30
[  214.698307]  page_fault+0x1e/0x30
[  214.701761] RIP: 0033:0x45db60
[  214.704970] Code: Bad RIP value.
[  214.708337] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  214.713703] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  214.720976] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  214.728244] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  214.735525] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  214.742799] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  214.750357] Mem-Info:
[  214.752793] active_anon:52607 inactive_anon:182 isolated_anon:0
[  214.752793]  active_file:12 inactive_file:11 isolated_file:0
[  214.752793]  unevictable:0 dirty:0 writeback:0 unstable:0
[  214.752793]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  214.752793]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  214.752793]  free:13782 free_pcp:358 free_cma:0
[  214.785719] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  214.813218] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  214.839356] lowmem_reserve[]: 0 2818 6321 6321
[  214.843950] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  214.871822] lowmem_reserve[]: 0 0 3503 3503
[  214.876159] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:1024kB free_cma:0kB
[  214.905243] lowmem_reserve[]: 0 0 0 0
[  214.909060] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  214.922649] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  214.937895] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  214.952881] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  214.961718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  214.970286] 266 total pagecache pages
[  214.974090] 0 pages in swap cache
[  214.977545] Swap cache stats: add 0, delete 0, find 0/0
[  214.982903] Free swap  = 0kB
[  214.985922] Total swap = 0kB
[  214.988939] 1965979 pages RAM
[  214.992044] 0 pages HighMem/MovableOnly
[  214.996010] 342854 pages reserved
[  214.999462] 0 pages cma reserved
[  215.002873] aoe: skb alloc failure
[  215.006441] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  215.016669] syz-fuzzer cpuset=/ mems_allowed=0
[  215.021270] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  215.028194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  215.037545] Call Trace:
[  215.040128]  <IRQ>
[  215.042293]  dump_stack+0x244/0x39d
[  215.045929]  ? dump_stack_print_info.cold.1+0x20/0x20
[  215.051138]  warn_alloc.cold.116+0xb7/0x1bd
[  215.055470]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  215.060329]  ? lock_downgrade+0x900/0x900
[  215.064492]  ? trace_hardirqs_off+0xb8/0x310
[  215.068912]  ? trace_hardirqs_off+0xb8/0x310
[  215.073338]  __alloc_pages_slowpath+0x26e8/0x2e10
[  215.078219]  ? warn_alloc+0x120/0x120
[  215.082033]  ? warn_alloc+0x120/0x120
[  215.085840]  ? __lock_acquire+0x62f/0x4c20
[  215.090084]  ? warn_alloc+0x120/0x120
[  215.093917]  ? print_usage_bug+0xc0/0xc0
[  215.097989]  ? print_usage_bug+0xc0/0xc0
[  215.102071]  ? print_usage_bug+0xc0/0xc0
[  215.106136]  ? mark_held_locks+0x130/0x130
[  215.110383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.115923]  ? should_fail+0x22d/0xd01
[  215.119814]  ? zap_class+0x640/0x640
[  215.123536]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  215.128645]  ? __lock_acquire+0x62f/0x4c20
[  215.132888]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  215.137996]  ? should_fail+0x22d/0xd01
[  215.141896]  ? zap_class+0x640/0x640
[  215.145626]  ? mark_held_locks+0x130/0x130
[  215.149867]  ? mark_held_locks+0x130/0x130
[  215.154105]  ? zap_class+0x640/0x640
[  215.157824]  ? zap_class+0x640/0x640
[  215.161542]  ? up+0xea/0x1c0
[  215.164572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.170116]  ? check_preemption_disabled+0x48/0x280
[  215.175148]  ? __lock_is_held+0xb5/0x140
[  215.176942] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  215.179216]  __alloc_pages_nodemask+0xa80/0xde0
[  215.189681] syz-executor3 cpuset=syz3 mems_allowed=0
[  215.194341]  ? zap_class+0x640/0x640
[  215.203125]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  215.208145]  ? find_held_lock+0x36/0x1c0
[  215.212212]  ? ____cache_alloc_node+0x1c7/0x1e0
[  215.216879]  ? lock_downgrade+0x900/0x900
[  215.221034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.226572]  cache_grow_begin+0xa5/0x8c0
[  215.230630]  ? do_raw_spin_unlock+0xa7/0x330
[  215.235041]  fallback_alloc+0x204/0x2e0
[  215.239018]  ____cache_alloc_node+0x1c7/0x1e0
[  215.243512]  kmem_cache_alloc_node+0xe3/0x730
[  215.248003]  ? __kmalloc_node_track_caller+0x50/0x70
[  215.253109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.258646]  __alloc_skb+0x119/0x770
[  215.262352]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  215.267714]  ? netdev_alloc_frag+0x1f0/0x1f0
[  215.272121]  ? vprintk_default+0x28/0x30
[  215.276179]  ? vprintk_func+0x85/0x181
[  215.280061]  ? printk+0xa7/0xcf
[  215.283339]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  215.288097]  ? trace_hardirqs_off+0xb8/0x310
[  215.292590]  new_skb+0x26/0x1c0
[  215.295865]  aoecmd_cfg+0x279/0x7f0
[  215.299496]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  215.303818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.309361]  ? __lock_is_held+0xb5/0x140
[  215.313425]  discover_timer+0x50/0x60
[  215.317224]  call_timer_fn+0x272/0x920
[  215.321109]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  215.325948]  ? process_timeout+0x40/0x40
[  215.330098]  ? mark_held_locks+0xc7/0x130
[  215.334250]  ? _raw_spin_unlock_irq+0x27/0x80
[  215.338737]  ? _raw_spin_unlock_irq+0x27/0x80
[  215.343225]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  215.348062]  ? lockdep_hardirqs_on+0x296/0x5b0
[  215.352641]  ? trace_hardirqs_on+0xbd/0x310
[  215.356958]  ? kasan_check_read+0x11/0x20
[  215.361102]  ? __run_timers+0x7da/0xc70
[  215.365070]  ? trace_hardirqs_off_caller+0x310/0x310
[  215.370179]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  215.375018]  __run_timers+0x7e5/0xc70
[  215.378821]  ? timer_fixup_init+0x70/0x70
[  215.382963]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  215.387983]  ? zap_class+0x640/0x640
[  215.391714]  ? print_usage_bug+0xc0/0xc0
[  215.395776]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  215.400966]  ? find_held_lock+0x36/0x1c0
[  215.405029]  ? zap_class+0x640/0x640
[  215.408752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.414284]  ? check_preemption_disabled+0x48/0x280
[  215.419305]  ? __lock_is_held+0xb5/0x140
[  215.423361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.428891]  ? check_preemption_disabled+0x48/0x280
[  215.433910]  run_timer_softirq+0x52/0xb0
[  215.437965]  ? rcu_read_lock_sched_held+0x14f/0x180
[  215.442980]  __do_softirq+0x308/0xb7e
[  215.446781]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  215.451271]  ? lock_downgrade+0x900/0x900
[  215.455417]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  215.460520]  ? pvclock_read_flags+0x160/0x160
[  215.465016]  ? lapic_next_event+0x5a/0x90
[  215.469160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.474700]  ? kvm_clock_read+0x18/0x30
[  215.478682]  ? kvm_sched_clock_read+0x9/0x20
[  215.483088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.488620]  ? check_preemption_disabled+0x48/0x280
[  215.493638]  irq_exit+0x17f/0x1c0
[  215.497096]  smp_apic_timer_interrupt+0x1cb/0x760
[  215.501932]  ? smp_reschedule_interrupt+0x109/0x650
[  215.506942]  ? smp_call_function_single_interrupt+0x650/0x650
[  215.512827]  ? interrupt_entry+0xb5/0xc0
[  215.516886]  ? trace_hardirqs_off_caller+0xbb/0x310
[  215.521896]  ? trace_hardirqs_off_caller+0xbb/0x310
[  215.526907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  215.531746]  ? trace_hardirqs_on_caller+0x310/0x310
[  215.536761]  ? trace_hardirqs_on_caller+0x310/0x310
[  215.541771]  ? task_prio+0x50/0x50
[  215.545306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.550841]  ? check_preemption_disabled+0x48/0x280
[  215.555861]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  215.560704]  apic_timer_interrupt+0xf/0x20
[  215.564929]  </IRQ>
[  215.567165] RIP: 0010:lock_is_held_type+0x18b/0x210
[  215.572176] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  215.591068] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  215.598770] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  215.606030] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  215.613292] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  215.620556] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  215.627817] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  215.635104]  rcu_read_lock_held+0xa9/0xc0
[  215.639512]  css_next_child+0x2a2/0x620
[  215.643486]  ? cgroup_mount+0xd30/0xd30
[  215.647470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.653004]  ? check_preemption_disabled+0x48/0x280
[  215.658024]  ? __lock_is_held+0xb5/0x140
[  215.662095]  css_next_descendant_pre+0xeb/0x190
[  215.666760]  mem_cgroup_iter+0x42f/0x1160
[  215.670904]  ? kasan_check_write+0x14/0x20
[  215.675139]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  215.679894]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  215.684913]  ? shrink_slab+0xfa/0x8c0
[  215.688711]  ? shrink_active_list+0x1f00/0x1f00
[  215.693382]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  215.699006]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  215.704108]  ? cgroup_procs_write_finish+0xf0/0xf0
[  215.709037]  ? find_held_lock+0x36/0x1c0
[  215.713094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.718625]  ? vmpressure+0x1a2/0x340
[  215.722426]  shrink_node+0x516/0x16b0
[  215.726230]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  215.731528]  ? shrink_node_memcg+0x18f0/0x18f0
[  215.736112]  ? kvm_clock_read+0x18/0x30
[  215.740087]  ? ktime_get+0x2c1/0x400
[  215.743814]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  215.748309]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  215.753841]  ? __cpuset_node_allowed+0x19b/0x660
[  215.758593]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  215.764301]  ? delayacct_end+0x5a/0x100
[  215.768281]  do_try_to_free_pages+0x3e7/0x1290
[  215.772859]  ? zap_class+0x640/0x640
[  215.776579]  ? shrink_node+0x16b0/0x16b0
[  215.780636]  ? __lock_is_held+0xb5/0x140
[  215.784707]  try_to_free_pages+0x4d0/0xb90
[  215.788942]  ? do_try_to_free_pages+0x1290/0x1290
[  215.793792]  ? lock_acquire+0x1ed/0x520
[  215.797762]  ? set_page_refcounted+0x280/0x280
[  215.802346]  ? lock_release+0xa00/0xa00
[  215.807013]  ? _raw_spin_unlock_irq+0x60/0x80
[  215.811507]  ? psi_memstall_enter+0x240/0x2b0
[  215.816000]  ? psi_memstall_tick+0x230/0x230
[  215.820419]  __alloc_pages_slowpath+0xa14/0x2e10
[  215.825203]  ? warn_alloc+0x120/0x120
[  215.828996]  ? mark_held_locks+0x130/0x130
[  215.833228]  ? find_get_entry+0xaae/0x1120
[  215.837475]  ? filemap_map_pages+0x1a20/0x1a20
[  215.842056]  ? zap_class+0x640/0x640
[  215.845771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.851309]  ? check_preemption_disabled+0x48/0x280
[  215.856321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.861851]  ? should_fail+0x22d/0xd01
[  215.865741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  215.870838]  ? zap_class+0x640/0x640
[  215.874571]  ? __lock_is_held+0xb5/0x140
[  215.878636]  ? mark_held_locks+0x130/0x130
[  215.882869]  ? lock_release+0xa00/0xa00
[  215.886839]  ? perf_trace_sched_process_exec+0x860/0x860
[  215.892286]  ? xa_load+0x2ba/0x460
[  215.895825]  ? lock_downgrade+0x900/0x900
[  215.899973]  ? __might_sleep+0x95/0x190
[  215.903945]  __alloc_pages_nodemask+0xa80/0xde0
[  215.908621]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  215.913635]  ? __page_cache_alloc+0x191/0x5c0
[  215.918121]  ? xa_load+0x2e1/0x460
[  215.921659]  ? xa_clear_mark+0x40/0x40
[  215.925543]  ? zap_class+0x640/0x640
[  215.929261]  ? zap_class+0x640/0x640
[  215.932969]  ? zap_class+0x640/0x640
[  215.936675]  ? __do_page_cache_readahead+0x663/0x810
[  215.941775]  ? find_held_lock+0x36/0x1c0
[  215.945835]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  215.951381]  alloc_pages_current+0x173/0x350
[  215.955793]  __page_cache_alloc+0x38c/0x5c0
[  215.960279]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  215.965200]  ? kasan_check_read+0x11/0x20
[  215.969346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  215.974618]  ? generic_perform_write+0x6a0/0x6a0
[  215.979369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.984905]  ? check_preemption_disabled+0x48/0x280
[  215.989932]  filemap_fault+0x1595/0x25f0
[  215.994005]  ? __lock_page_or_retry+0xa00/0xa00
[  215.998669]  ? mark_held_locks+0x130/0x130
[  216.002911]  ? filemap_map_pages+0xd6b/0x1a20
[  216.007416]  ? lock_downgrade+0x900/0x900
[  216.011563]  ? check_preemption_disabled+0x48/0x280
[  216.016576]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  216.021499]  ? kasan_check_read+0x11/0x20
[  216.025646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  216.030915]  ? rcu_softirq_qs+0x20/0x20
[  216.034898]  ? filemap_map_pages+0xd92/0x1a20
[  216.039392]  ? print_usage_bug+0xc0/0xc0
[  216.043460]  ? find_get_entries_tag+0x1400/0x1400
[  216.048305]  ? __kasan_slab_free+0x102/0x150
[  216.052708]  ? kasan_slab_free+0xe/0x10
[  216.056679]  ? kmem_cache_free+0x83/0x290
[  216.060820]  ? __sigqueue_free.part.29+0x74/0x90
[  216.065583]  ? lock_acquire+0x1ed/0x520
[  216.069554]  ? ext4_filemap_fault+0x7a/0xad
[  216.073878]  ? lock_release+0xa00/0xa00
[  216.077843]  ? perf_trace_sched_process_exec+0x860/0x860
[  216.083287]  ? print_usage_bug+0xc0/0xc0
[  216.087343]  ? print_usage_bug+0xc0/0xc0
[  216.091419]  ? down_read+0x8d/0x120
[  216.095037]  ? ext4_filemap_fault+0x7a/0xad
[  216.099358]  ? __down_interruptible+0x700/0x700
[  216.104032]  ext4_filemap_fault+0x82/0xad
[  216.108175]  __do_fault+0x100/0x6b0
[  216.111800]  ? pmd_devmap_trans_unstable+0x220/0x220
[  216.116902]  ? mark_held_locks+0x130/0x130
[  216.121138]  ? mark_held_locks+0x130/0x130
[  216.125367]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  216.130906]  ? rcu_pm_notify+0xc0/0xc0
[  216.134807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.140348]  __handle_mm_fault+0x3ea0/0x5be0
[  216.144760]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  216.149594]  ? _raw_spin_unlock_irq+0x27/0x80
[  216.154413]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  216.158994]  ? trace_hardirqs_on+0xbd/0x310
[  216.163309]  ? kasan_check_read+0x11/0x20
[  216.167453]  ? __set_current_blocked+0xdf/0x120
[  216.172121]  ? trace_hardirqs_off_caller+0x310/0x310
[  216.177232]  ? zap_class+0x640/0x640
[  216.180944]  ? zap_class+0x640/0x640
[  216.184661]  ? find_held_lock+0x36/0x1c0
[  216.188729]  ? handle_mm_fault+0x42a/0xc70
[  216.192969]  ? lock_downgrade+0x900/0x900
[  216.197114]  ? check_preemption_disabled+0x48/0x280
[  216.202128]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  216.207050]  ? kasan_check_read+0x11/0x20
[  216.211195]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  216.216465]  ? rcu_softirq_qs+0x20/0x20
[  216.220437]  ? trace_hardirqs_off_caller+0x310/0x310
[  216.225534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.231067]  ? check_preemption_disabled+0x48/0x280
[  216.236083]  handle_mm_fault+0x54f/0xc70
[  216.240144]  ? __handle_mm_fault+0x5be0/0x5be0
[  216.244724]  ? find_vma+0x34/0x190
[  216.248277]  __do_page_fault+0x5e8/0xe60
[  216.252336]  ? exit_to_usermode_loop+0x1f4/0x380
[  216.257094]  do_page_fault+0xf2/0x7e0
[  216.260889]  ? vmalloc_sync_all+0x30/0x30
[  216.265033]  ? error_entry+0x70/0xd0
[  216.268741]  ? trace_hardirqs_off_caller+0xbb/0x310
[  216.273751]  ? trace_hardirqs_on_caller+0xc0/0x310
[  216.278673]  ? syscall_return_slowpath+0x5e0/0x5e0
[  216.283609]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  216.288450]  ? trace_hardirqs_on_caller+0x310/0x310
[  216.293462]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  216.298938]  ? prepare_exit_to_usermode+0x291/0x3b0
[  216.303948]  ? page_fault+0x8/0x30
[  216.307488]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  216.312329]  ? page_fault+0x8/0x30
[  216.315878]  page_fault+0x1e/0x30
[  216.319322] RIP: 0033:0x45db60
[  216.322524] Code: Bad RIP value.
[  216.325881] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  216.331238] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  216.338504] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  216.345854] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  216.353116] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  216.360386] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  216.367677] CPU: 0 PID: 9185 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #81
[  216.367679] Mem-Info:
[  216.367710] active_anon:52607 inactive_anon:182 isolated_anon:0
[  216.367710]  active_file:12 inactive_file:11 isolated_file:0
[  216.367710]  unevictable:0 dirty:0 writeback:0 unstable:0
[  216.367710]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  216.367710]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  216.367710]  free:13782 free_pcp:358 free_cma:0
[  216.374863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  216.374871] Call Trace:
[  216.377307] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  216.410158]  dump_stack+0x244/0x39d
[  216.419484] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  216.422066]  ? dump_stack_print_info.cold.1+0x20/0x20
[  216.449615] lowmem_reserve[]: 0 2818 6321 6321
[  216.453248]  warn_alloc.cold.116+0xb7/0x1bd
[  216.479320] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  216.484502]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  216.489050] lowmem_reserve[]: 0 0 3503 3503
[  216.493379]  ? lock_downgrade+0x900/0x900
[  216.521280] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:1024kB free_cma:0kB
[  216.526121]  ? trace_hardirqs_off+0xb8/0x310
[  216.530400] lowmem_reserve[]: 0 0 0 0
[  216.534558]  ? trace_hardirqs_off+0xb8/0x310
[  216.563586] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  216.567996]  __alloc_pages_slowpath+0x26e8/0x2e10
[  216.571754] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  216.576186]  ? warn_alloc+0x120/0x120
[  216.589656] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  216.594491]  ? warn_alloc+0x120/0x120
[  216.609636] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  216.613427]  ? dev_hard_start_xmit+0x42c/0xc80
[  216.628312] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  216.628321] 266 total pagecache pages
[  216.632114]  ? warn_alloc+0x120/0x120
[  216.641022] 0 pages in swap cache
[  216.645593]  ? print_usage_bug+0xc0/0xc0
[  216.654145] Swap cache stats: add 0, delete 0, find 0/0
[  216.657932]  ? find_held_lock+0x36/0x1c0
[  216.661704] Free swap  = 0kB
[  216.665147]  ? print_usage_bug+0xc0/0xc0
[  216.669192] Total swap = 0kB
[  216.674546]  ? cpuacct_charge+0x265/0x440
[  216.678577] 1965979 pages RAM
[  216.681583]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.685618] 0 pages HighMem/MovableOnly
[  216.685626] 342854 pages reserved
[  216.688635]  ? should_fail+0x22d/0xd01
[  216.692751] 0 pages cma reserved
[  216.695847]  ? find_held_lock+0x36/0x1c0
[  216.701422] aoe: skb alloc failure
[  216.705330]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  216.705353]  ? __lock_acquire+0x62f/0x4c20
[  216.705373]  ? should_fail+0x22d/0xd01
[  216.708823] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  216.713399]  ? mark_held_locks+0x130/0x130
[  216.716726] syz-fuzzer cpuset=/ mems_allowed=0
[  216.720779]  ? mark_held_locks+0x130/0x130
[  216.760697]  ? __lock_acquire+0x62f/0x4c20
[  216.764935]  ? zap_class+0x640/0x640
[  216.768646]  ? __lock_is_held+0xb5/0x140
[  216.772707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.778240]  ? check_preemption_disabled+0x48/0x280
[  216.783264]  ? __lock_is_held+0xb5/0x140
[  216.787326]  __alloc_pages_nodemask+0xa80/0xde0
[  216.792000]  ? zap_class+0x640/0x640
[  216.795716]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  216.800738]  ? find_held_lock+0x36/0x1c0
[  216.804803]  ? ____cache_alloc_node+0x1c7/0x1e0
[  216.809491]  ? lock_downgrade+0x900/0x900
[  216.813646]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  216.819186]  cache_grow_begin+0xa5/0x8c0
[  216.823247]  ? do_raw_spin_unlock+0xa7/0x330
[  216.827662]  fallback_alloc+0x204/0x2e0
[  216.831638]  ____cache_alloc_node+0x1c7/0x1e0
[  216.836137]  kmem_cache_alloc+0x1f8/0x730
[  216.840290]  skb_clone+0x1bb/0x500
[  216.843826]  ? finish_task_switch+0x2f4/0x910
[  216.848319]  ? skb_split+0x11e0/0x11e0
[  216.852211]  ? preempt_notifier_register+0x200/0x200
[  216.857307]  ? __switch_to_asm+0x34/0x70
[  216.861553]  ? __switch_to_asm+0x34/0x70
[  216.865604]  ? __switch_to_asm+0x40/0x70
[  216.869665]  ? __switch_to_asm+0x34/0x70
[  216.873724]  ? __switch_to_asm+0x40/0x70
[  216.877778]  ? __switch_to_asm+0x34/0x70
[  216.882091]  ? __switch_to_asm+0x40/0x70
[  216.886145]  ? __switch_to_asm+0x34/0x70
[  216.890200]  ? __switch_to_asm+0x34/0x70
[  216.894253]  ? __switch_to_asm+0x40/0x70
[  216.898311]  ? __switch_to_asm+0x34/0x70
[  216.902387]  bpf_clone_redirect+0xb9/0x490
[  216.906620]  ? __schedule+0x8d7/0x21d0
[  216.910507]  bpf_prog_bebbfe2050753572+0x515/0x1000
[  216.915522]  ? __sched_text_start+0x8/0x8
[  216.919666]  ? retint_kernel+0x2d/0x2d
[  216.923559]  ? find_held_lock+0x36/0x1c0
[  216.927627]  ? lock_acquire+0x1ed/0x520
[  216.931596]  ? bpf_test_run+0x3cb/0x780
[  216.935570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.941105]  ? check_preemption_disabled+0x48/0x280
[  216.946122]  ? kasan_check_read+0x11/0x20
[  216.950266]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  216.955543]  ? rcu_softirq_qs+0x20/0x20
[  216.959529]  ? preempt_schedule+0x4d/0x60
[  216.963677]  ? ___preempt_schedule+0x16/0x18
[  216.968090]  ? bpf_test_run+0x25d/0x780
[  216.972072]  ? netlink_diag_dump+0x2a0/0x2a0
[  216.976504]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.982040]  ? bpf_test_init.isra.10+0x70/0x100
[  216.986711]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  216.991474]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  216.996312]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  217.001850]  ? fput+0x130/0x1a0
[  217.005129]  ? __bpf_prog_get+0x9b/0x290
[  217.009187]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  217.014022]  ? bpf_prog_test_run+0x130/0x1a0
[  217.018428]  ? __x64_sys_bpf+0x3d8/0x520
[  217.022490]  ? bpf_prog_get+0x20/0x20
[  217.026317]  ? do_syscall_64+0x1b9/0x820
[  217.030385]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  217.035747]  ? syscall_return_slowpath+0x5e0/0x5e0
[  217.041539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.046382]  ? trace_hardirqs_on_caller+0x310/0x310
[  217.051398]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  217.056412]  ? prepare_exit_to_usermode+0x291/0x3b0
[  217.061428]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.066271]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  217.071658] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  217.071660] Mem-Info:
[  217.071694] active_anon:52607 inactive_anon:182 isolated_anon:0
[  217.071694]  active_file:12 inactive_file:11 isolated_file:0
[  217.071694]  unevictable:0 dirty:0 writeback:0 unstable:0
[  217.071694]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  217.071694]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  217.071694]  free:13782 free_pcp:358 free_cma:0
[  217.078586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  217.081013] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  217.113853] Call Trace:
[  217.123371] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  217.150853]  <IRQ>
[  217.153413] lowmem_reserve[]: 0 2818 6321 6321
[  217.179510]  dump_stack+0x244/0x39d
[  217.181631] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  217.186215]  ? dump_stack_print_info.cold.1+0x20/0x20
[  217.189810] lowmem_reserve[]: 0 0 3503 3503
[  217.217480]  warn_alloc.cold.116+0xb7/0x1bd
[  217.222636] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  217.226947]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  217.231241] lowmem_reserve[]: 0 0 0 0
[  217.260208]  ? lock_downgrade+0x900/0x900
[  217.265023] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  217.268818]  ? trace_hardirqs_off+0xb8/0x310
[  217.272935] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  217.286454]  ? trace_hardirqs_off+0xb8/0x310
[  217.290833] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  217.306089]  __alloc_pages_slowpath+0x26e8/0x2e10
[  217.310478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  217.326259]  ? warn_alloc+0x120/0x120
[  217.331074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  217.339896]  ? warn_alloc+0x120/0x120
[  217.343666] 266 total pagecache pages
[  217.352230]  ? __lock_acquire+0x62f/0x4c20
[  217.356008] 0 pages in swap cache
[  217.359790]  ? warn_alloc+0x120/0x120
[  217.363999] Swap cache stats: add 0, delete 0, find 0/0
[  217.367448]  ? print_usage_bug+0xc0/0xc0
[  217.371218] Free swap  = 0kB
[  217.376570]  ? print_usage_bug+0xc0/0xc0
[  217.380599] Total swap = 0kB
[  217.383605]  ? mark_held_locks+0x130/0x130
[  217.387638] 1965979 pages RAM
[  217.390644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.394846] 0 pages HighMem/MovableOnly
[  217.397937]  ? should_fail+0x22d/0xd01
[  217.403440] 342854 pages reserved
[  217.403448] 0 pages cma reserved
[  217.407407]  ? zap_class+0x640/0x640
[  217.421782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.426898]  ? __lock_acquire+0x62f/0x4c20
[  217.431142]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.436250]  ? should_fail+0x22d/0xd01
[  217.440163]  ? mark_held_locks+0x130/0x130
[  217.444407]  ? mark_held_locks+0x130/0x130
[  217.448645]  ? lock_downgrade+0x900/0x900
[  217.452803]  ? zap_class+0x640/0x640
[  217.456527]  ? zap_class+0x640/0x640
[  217.460248]  ? zap_class+0x640/0x640
[  217.463981]  ? do_raw_spin_unlock+0xa7/0x330
[  217.468402]  ? trace_hardirqs_on+0x310/0x310
[  217.472825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.478380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.483925]  ? check_preemption_disabled+0x48/0x280
[  217.488959]  ? __lock_is_held+0xb5/0x140
[  217.493031]  __alloc_pages_nodemask+0xa80/0xde0
[  217.497709]  ? zap_class+0x640/0x640
[  217.501452]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  217.506488]  ? find_held_lock+0x36/0x1c0
[  217.510567]  ? ____cache_alloc_node+0x1c7/0x1e0
[  217.515240]  ? lock_downgrade+0x900/0x900
[  217.519403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.524954]  cache_grow_begin+0xa5/0x8c0
[  217.529023]  ? do_raw_spin_unlock+0xa7/0x330
[  217.533447]  fallback_alloc+0x204/0x2e0
[  217.537438]  ____cache_alloc_node+0x1c7/0x1e0
[  217.541942]  kmem_cache_alloc_node+0xe3/0x730
[  217.546444]  ? __kmalloc_node_track_caller+0x50/0x70
[  217.551552]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.557099]  __alloc_skb+0x119/0x770
[  217.560821]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  217.566193]  ? netdev_alloc_frag+0x1f0/0x1f0
[  217.570617]  ? vprintk_default+0x28/0x30
[  217.574685]  ? vprintk_func+0x85/0x181
[  217.578577]  ? printk+0xa7/0xcf
[  217.581864]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  217.586627]  ? trace_hardirqs_off+0xb8/0x310
[  217.591047]  new_skb+0x26/0x1c0
[  217.594338]  aoecmd_cfg+0x279/0x7f0
[  217.597975]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  217.602320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.607877]  ? __lock_is_held+0xb5/0x140
[  217.611956]  discover_timer+0x50/0x60
[  217.615762]  call_timer_fn+0x272/0x920
[  217.619655]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  217.624517]  ? process_timeout+0x40/0x40
[  217.628590]  ? mark_held_locks+0xc7/0x130
[  217.632748]  ? _raw_spin_unlock_irq+0x27/0x80
[  217.637247]  ? _raw_spin_unlock_irq+0x27/0x80
[  217.642080]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  217.646930]  ? lockdep_hardirqs_on+0x296/0x5b0
[  217.651522]  ? trace_hardirqs_on+0xbd/0x310
[  217.655848]  ? kasan_check_read+0x11/0x20
[  217.660004]  ? __run_timers+0x7da/0xc70
[  217.663985]  ? trace_hardirqs_off_caller+0x310/0x310
[  217.669108]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  217.673953]  __run_timers+0x7e5/0xc70
[  217.677772]  ? timer_fixup_init+0x70/0x70
[  217.681933]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  217.686955]  ? zap_class+0x640/0x640
[  217.690678]  ? print_usage_bug+0xc0/0xc0
[  217.694749]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  217.699950]  ? find_held_lock+0x36/0x1c0
[  217.704025]  ? zap_class+0x640/0x640
[  217.707749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.713301]  ? check_preemption_disabled+0x48/0x280
[  217.718333]  ? __lock_is_held+0xb5/0x140
[  217.722402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.727948]  ? check_preemption_disabled+0x48/0x280
[  217.732980]  run_timer_softirq+0x52/0xb0
[  217.737044]  ? rcu_read_lock_sched_held+0x14f/0x180
[  217.742071]  __do_softirq+0x308/0xb7e
[  217.745886]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  217.750385]  ? lock_downgrade+0x900/0x900
[  217.754540]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  217.759652]  ? pvclock_read_flags+0x160/0x160
[  217.764156]  ? lapic_next_event+0x5a/0x90
[  217.768308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.773857]  ? kvm_clock_read+0x18/0x30
[  217.777834]  ? kvm_sched_clock_read+0x9/0x20
[  217.782270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.787819]  ? check_preemption_disabled+0x48/0x280
[  217.792853]  irq_exit+0x17f/0x1c0
[  217.796315]  smp_apic_timer_interrupt+0x1cb/0x760
[  217.801165]  ? smp_reschedule_interrupt+0x109/0x650
[  217.806190]  ? smp_call_function_single_interrupt+0x650/0x650
[  217.812610]  ? interrupt_entry+0xb5/0xc0
[  217.816678]  ? trace_hardirqs_off_caller+0xbb/0x310
[  217.821697]  ? trace_hardirqs_off_caller+0xbb/0x310
[  217.826718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.831570]  ? trace_hardirqs_on_caller+0x310/0x310
[  217.836589]  ? trace_hardirqs_on_caller+0x310/0x310
[  217.841612]  ? task_prio+0x50/0x50
[  217.845158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.850701]  ? check_preemption_disabled+0x48/0x280
[  217.855728]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.860592]  apic_timer_interrupt+0xf/0x20
[  217.864827]  </IRQ>
[  217.867071] RIP: 0010:lock_is_held_type+0x18b/0x210
[  217.872090] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  217.890998] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  217.898715] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  217.905985] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  217.913345] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  217.920621] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  217.927896] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  217.935211]  rcu_read_lock_held+0xa9/0xc0
[  217.939547]  css_next_child+0x2a2/0x620
[  217.943530]  ? cgroup_mount+0xd30/0xd30
[  217.947516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.953062]  ? check_preemption_disabled+0x48/0x280
[  217.958180]  ? __lock_is_held+0xb5/0x140
[  217.962272]  css_next_descendant_pre+0xeb/0x190
[  217.966948]  mem_cgroup_iter+0x42f/0x1160
[  217.971107]  ? kasan_check_write+0x14/0x20
[  217.975357]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  217.980122]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  217.985153]  ? shrink_slab+0xfa/0x8c0
[  217.988956]  ? shrink_active_list+0x1f00/0x1f00
[  217.993636]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  217.999272]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  218.004388]  ? cgroup_procs_write_finish+0xf0/0xf0
[  218.009328]  ? find_held_lock+0x36/0x1c0
[  218.013409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.018951]  ? vmpressure+0x1a2/0x340
[  218.022768]  shrink_node+0x516/0x16b0
[  218.026579]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  218.031887]  ? shrink_node_memcg+0x18f0/0x18f0
[  218.036478]  ? kvm_clock_read+0x18/0x30
[  218.040457]  ? ktime_get+0x2c1/0x400
[  218.044184]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  218.048688]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  218.054250]  ? __cpuset_node_allowed+0x19b/0x660
[  218.059023]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  218.064740]  ? delayacct_end+0x5a/0x100
[  218.068737]  do_try_to_free_pages+0x3e7/0x1290
[  218.073330]  ? zap_class+0x640/0x640
[  218.077070]  ? shrink_node+0x16b0/0x16b0
[  218.081134]  ? __lock_is_held+0xb5/0x140
[  218.085217]  try_to_free_pages+0x4d0/0xb90
[  218.089471]  ? do_try_to_free_pages+0x1290/0x1290
[  218.094336]  ? lock_acquire+0x1ed/0x520
[  218.098314]  ? set_page_refcounted+0x280/0x280
[  218.102910]  ? lock_release+0xa00/0xa00
[  218.106892]  ? _raw_spin_unlock_irq+0x60/0x80
[  218.111397]  ? psi_memstall_enter+0x240/0x2b0
[  218.115898]  ? psi_memstall_tick+0x230/0x230
[  218.120325]  __alloc_pages_slowpath+0xa14/0x2e10
[  218.125119]  ? warn_alloc+0x120/0x120
[  218.128922]  ? mark_held_locks+0x130/0x130
[  218.133166]  ? find_get_entry+0xaae/0x1120
[  218.137414]  ? filemap_map_pages+0x1a20/0x1a20
[  218.142008]  ? zap_class+0x640/0x640
[  218.145733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.151283]  ? check_preemption_disabled+0x48/0x280
[  218.156307]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.161848]  ? should_fail+0x22d/0xd01
[  218.165752]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.170868]  ? zap_class+0x640/0x640
[  218.174616]  ? __lock_is_held+0xb5/0x140
[  218.178690]  ? mark_held_locks+0x130/0x130
[  218.182937]  ? lock_release+0xa00/0xa00
[  218.186919]  ? perf_trace_sched_process_exec+0x860/0x860
[  218.192377]  ? xa_load+0x2ba/0x460
[  218.195926]  ? lock_downgrade+0x900/0x900
[  218.200082]  ? __might_sleep+0x95/0x190
[  218.204066]  __alloc_pages_nodemask+0xa80/0xde0
[  218.208749]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  218.213783]  ? __page_cache_alloc+0x191/0x5c0
[  218.218280]  ? xa_load+0x2e1/0x460
[  218.221826]  ? xa_clear_mark+0x40/0x40
[  218.225721]  ? zap_class+0x640/0x640
[  218.229449]  ? zap_class+0x640/0x640
[  218.233168]  ? zap_class+0x640/0x640
[  218.236883]  ? __do_page_cache_readahead+0x663/0x810
[  218.241996]  ? find_held_lock+0x36/0x1c0
[  218.246068]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  218.251616]  alloc_pages_current+0x173/0x350
[  218.256041]  __page_cache_alloc+0x38c/0x5c0
[  218.260370]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  218.265305]  ? kasan_check_read+0x11/0x20
[  218.269463]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  218.274747]  ? generic_perform_write+0x6a0/0x6a0
[  218.279513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.285058]  ? check_preemption_disabled+0x48/0x280
[  218.290089]  filemap_fault+0x1595/0x25f0
[  218.294172]  ? __lock_page_or_retry+0xa00/0xa00
[  218.298850]  ? mark_held_locks+0x130/0x130
[  218.303103]  ? filemap_map_pages+0xd6b/0x1a20
[  218.307605]  ? lock_downgrade+0x900/0x900
[  218.311761]  ? check_preemption_disabled+0x48/0x280
[  218.316785]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  218.321721]  ? kasan_check_read+0x11/0x20
[  218.325878]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  218.331160]  ? rcu_softirq_qs+0x20/0x20
[  218.335154]  ? filemap_map_pages+0xd92/0x1a20
[  218.339663]  ? print_usage_bug+0xc0/0xc0
[  218.343748]  ? find_get_entries_tag+0x1400/0x1400
[  218.348594]  ? __kasan_slab_free+0x102/0x150
[  218.353005]  ? kasan_slab_free+0xe/0x10
[  218.356985]  ? kmem_cache_free+0x83/0x290
[  218.361140]  ? __sigqueue_free.part.29+0x74/0x90
[  218.365920]  ? lock_acquire+0x1ed/0x520
[  218.369898]  ? ext4_filemap_fault+0x7a/0xad
[  218.374237]  ? lock_release+0xa00/0xa00
[  218.378220]  ? perf_trace_sched_process_exec+0x860/0x860
[  218.383676]  ? print_usage_bug+0xc0/0xc0
[  218.387747]  ? print_usage_bug+0xc0/0xc0
[  218.391825]  ? down_read+0x8d/0x120
[  218.395453]  ? ext4_filemap_fault+0x7a/0xad
[  218.399792]  ? __down_interruptible+0x700/0x700
[  218.404475]  ext4_filemap_fault+0x82/0xad
[  218.408631]  __do_fault+0x100/0x6b0
[  218.412273]  ? pmd_devmap_trans_unstable+0x220/0x220
[  218.417383]  ? mark_held_locks+0x130/0x130
[  218.421623]  ? mark_held_locks+0x130/0x130
[  218.425865]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  218.431407]  ? rcu_pm_notify+0xc0/0xc0
[  218.435309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.440857]  __handle_mm_fault+0x3ea0/0x5be0
[  218.445279]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  218.450127]  ? _raw_spin_unlock_irq+0x27/0x80
[  218.454629]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  218.459223]  ? trace_hardirqs_on+0xbd/0x310
[  218.463553]  ? kasan_check_read+0x11/0x20
[  218.467715]  ? __set_current_blocked+0xdf/0x120
[  218.472391]  ? trace_hardirqs_off_caller+0x310/0x310
[  218.477510]  ? zap_class+0x640/0x640
[  218.481236]  ? zap_class+0x640/0x640
[  218.484960]  ? find_held_lock+0x36/0x1c0
[  218.489035]  ? handle_mm_fault+0x42a/0xc70
[  218.493277]  ? lock_downgrade+0x900/0x900
[  218.497433]  ? check_preemption_disabled+0x48/0x280
[  218.502458]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  218.507398]  ? kasan_check_read+0x11/0x20
[  218.511546]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  218.516827]  ? rcu_softirq_qs+0x20/0x20
[  218.520808]  ? trace_hardirqs_off_caller+0x310/0x310
[  218.525917]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.531458]  ? check_preemption_disabled+0x48/0x280
[  218.536492]  handle_mm_fault+0x54f/0xc70
[  218.540567]  ? __handle_mm_fault+0x5be0/0x5be0
[  218.545160]  ? find_vma+0x34/0x190
[  218.548720]  __do_page_fault+0x5e8/0xe60
[  218.552792]  ? exit_to_usermode_loop+0x1f4/0x380
[  218.557565]  do_page_fault+0xf2/0x7e0
[  218.561376]  ? vmalloc_sync_all+0x30/0x30
[  218.565533]  ? error_entry+0x70/0xd0
[  218.569254]  ? trace_hardirqs_off_caller+0xbb/0x310
[  218.574278]  ? trace_hardirqs_on_caller+0xc0/0x310
[  218.579220]  ? syscall_return_slowpath+0x5e0/0x5e0
[  218.584163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  218.589022]  ? trace_hardirqs_on_caller+0x310/0x310
[  218.594044]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  218.599509]  ? prepare_exit_to_usermode+0x291/0x3b0
[  218.604535]  ? page_fault+0x8/0x30
[  218.608082]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  218.613127]  ? page_fault+0x8/0x30
[  218.616673]  page_fault+0x1e/0x30
[  218.620126] RIP: 0033:0x45db60
[  218.623338] Code: Bad RIP value.
[  218.624738] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  218.626696] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  218.626712] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  218.637265] ksoftirqd/0 cpuset=/ mems_allowed=0
[  218.642609] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  218.642620] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  218.669158] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  218.676428] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  218.683718] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  218.683777] aoe: skb alloc failure
[  218.690454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  218.690461] Call Trace:
[  218.694028] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  218.703330]  dump_stack+0x244/0x39d
[  218.705883] syz-fuzzer cpuset=/ mems_allowed=0
[  218.716095]  ? dump_stack_print_info.cold.1+0x20/0x20
[  218.729438]  warn_alloc.cold.116+0xb7/0x1bd
[  218.733754]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  218.738593]  ? lock_downgrade+0x900/0x900
[  218.742751]  ? trace_hardirqs_off+0xb8/0x310
[  218.747162]  ? trace_hardirqs_off+0xb8/0x310
[  218.751577]  __alloc_pages_slowpath+0x26e8/0x2e10
[  218.756443]  ? warn_alloc+0x120/0x120
[  218.760330]  ? warn_alloc+0x120/0x120
[  218.764133]  ? warn_alloc+0x120/0x120
[  218.767930]  ? print_usage_bug+0xc0/0xc0
[  218.771985]  ? print_usage_bug+0xc0/0xc0
[  218.776044]  ? print_usage_bug+0xc0/0xc0
[  218.780098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.785631]  ? check_preemption_disabled+0x48/0x280
[  218.790645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.796185]  ? should_fail+0x22d/0xd01
[  218.800069]  ? ring_buffer_record_is_on+0xe1/0x130
[  218.805001]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.810103]  ? __lock_acquire+0x62f/0x4c20
[  218.814342]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.819438]  ? __lock_acquire+0x62f/0x4c20
[  218.823669]  ? should_fail+0x22d/0xd01
[  218.827559]  ? mark_held_locks+0x130/0x130
[  218.831794]  ? mark_held_locks+0x130/0x130
[  218.836025]  ? lock_downgrade+0x900/0x900
[  218.840179]  ? zap_class+0x640/0x640
[  218.843888]  ? print_usage_bug+0xc0/0xc0
[  218.847946]  ? trace_hardirqs_off+0xb8/0x310
[  218.852352]  ? kasan_check_read+0x11/0x20
[  218.856494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.862026]  ? check_preemption_disabled+0x48/0x280
[  218.867044]  ? __lock_is_held+0xb5/0x140
[  218.871106]  __alloc_pages_nodemask+0xa80/0xde0
[  218.875771]  ? zap_class+0x640/0x640
[  218.879482]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  218.884505]  ? find_held_lock+0x36/0x1c0
[  218.888573]  ? ____cache_alloc_node+0x1c7/0x1e0
[  218.893239]  ? lock_downgrade+0x900/0x900
[  218.897389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.902923]  cache_grow_begin+0xa5/0x8c0
[  218.906978]  ? do_raw_spin_unlock+0xa7/0x330
[  218.911388]  fallback_alloc+0x204/0x2e0
[  218.915367]  ____cache_alloc_node+0x1c7/0x1e0
[  218.919859]  kmem_cache_alloc_node+0xe3/0x730
[  218.924351]  ? ipv6_get_ifaddr+0x42e/0x620
[  218.928587]  __alloc_skb+0x119/0x770
[  218.932294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  218.937566]  ? netdev_alloc_frag+0x1f0/0x1f0
[  218.941968]  ? lock_downgrade+0x900/0x900
[  218.946118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.951653]  ? refcount_sub_and_test_checked+0x203/0x310
[  218.957100]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  218.962547]  ? addrconf_rs_timer+0x690/0x690
[  218.966961]  ndisc_alloc_skb+0x144/0x340
[  218.971021]  ndisc_send_rs+0x331/0x6e0
[  218.974907]  addrconf_rs_timer+0x314/0x690
[  218.979141]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.983390]  call_timer_fn+0x272/0x920
[  218.987273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  218.991507]  ? process_timeout+0x40/0x40
[  218.995569]  ? __run_timers+0x7da/0xc70
[  218.999539]  ? _raw_spin_unlock_irq+0x27/0x80
[  219.004025]  ? _raw_spin_unlock_irq+0x27/0x80
[  219.008518]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  219.012745]  ? lockdep_hardirqs_on+0x296/0x5b0
[  219.017327]  ? trace_hardirqs_on+0xbd/0x310
[  219.021641]  ? kasan_check_read+0x11/0x20
[  219.025780]  ? __run_timers+0x7da/0xc70
[  219.029748]  ? trace_hardirqs_off_caller+0x310/0x310
[  219.034856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  219.039086]  __run_timers+0x7e5/0xc70
[  219.042891]  ? timer_fixup_init+0x70/0x70
[  219.047037]  ? _raw_spin_unlock_irq+0x27/0x80
[  219.051525]  ? _raw_spin_unlock_irq+0x27/0x80
[  219.056018]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  219.060594]  ? trace_hardirqs_on+0xbd/0x310
[  219.064908]  ? kasan_check_read+0x11/0x20
[  219.069055]  ? finish_task_switch+0x1f4/0x910
[  219.073544]  ? trace_hardirqs_off_caller+0x310/0x310
[  219.078640]  ? compat_start_thread+0x80/0x80
[  219.083060]  ? pvclock_read_flags+0x160/0x160
[  219.087550]  ? __switch_to_asm+0x34/0x70
[  219.091615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.097320]  ? check_preemption_disabled+0x48/0x280
[  219.102343]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  219.107875]  ? rcu_pm_notify+0xc0/0xc0
[  219.111761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.117296]  ? check_preemption_disabled+0x48/0x280
[  219.122314]  run_timer_softirq+0x52/0xb0
[  219.126374]  ? rcu_read_lock_sched_held+0x14f/0x180
[  219.131390]  __do_softirq+0x308/0xb7e
[  219.135200]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  219.140299]  ? smpboot_thread_fn+0x334/0xa00
[  219.144707]  ? schedule+0x108/0x460
[  219.148333]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  219.153095]  ? trace_hardirqs_off+0xb8/0x310
[  219.157498]  ? smpboot_thread_fn+0x68b/0xa00
[  219.161901]  ? trace_hardirqs_on+0x310/0x310
[  219.166304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.171836]  ? check_preemption_disabled+0x48/0x280
[  219.176848]  ? takeover_tasklets+0xa90/0xa90
[  219.181254]  run_ksoftirqd+0x5e/0x100
[  219.185051]  smpboot_thread_fn+0x68b/0xa00
[  219.189290]  ? sort_range+0x30/0x30
[  219.192912]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  219.198008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.203537]  ? __kthread_parkme+0xfb/0x1a0
[  219.207768]  ? sort_range+0x30/0x30
[  219.211392]  kthread+0x35a/0x440
[  219.214756]  ? kthread_stop+0x900/0x900
[  219.218726]  ret_from_fork+0x3a/0x50
[  219.222451] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  219.222456] warn_alloc_show_mem: 1 callbacks suppressed
[  219.222462] Mem-Info:
[  219.229376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  219.234743] active_anon:52607 inactive_anon:182 isolated_anon:0
[  219.234743]  active_file:12 inactive_file:11 isolated_file:0
[  219.234743]  unevictable:0 dirty:0 writeback:0 unstable:0
[  219.234743]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  219.234743]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  219.234743]  free:13782 free_pcp:358 free_cma:0
[  219.237110] Call Trace:
[  219.246496] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  219.279333]  <IRQ>
[  219.281896] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  219.309383]  dump_stack+0x244/0x39d
[  219.311503] lowmem_reserve[]: 0 2818 6321 6321
[  219.337604]  ? dump_stack_print_info.cold.1+0x20/0x20
[  219.341200] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  219.345789]  warn_alloc.cold.116+0xb7/0x1bd
[  219.350936] lowmem_reserve[]: 0 0 3503 3503
[  219.378617]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  219.382902] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  219.387213]  ? lock_downgrade+0x900/0x900
[  219.392042] lowmem_reserve[]: 0 0 0 0
[  219.421015]  ? trace_hardirqs_off+0xb8/0x310
[  219.425138] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  219.428976]  ? trace_hardirqs_off+0xb8/0x310
[  219.433352] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  219.446872]  __alloc_pages_slowpath+0x26e8/0x2e10
[  219.451247] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  219.466434]  ? warn_alloc+0x120/0x120
[  219.471231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  219.486300]  ? warn_alloc+0x120/0x120
[  219.490078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  219.498897]  ? warn_alloc+0x120/0x120
[  219.502667] 266 total pagecache pages
[  219.511230]  ? print_usage_bug+0xc0/0xc0
[  219.515094] 0 pages in swap cache
[  219.518883]  ? print_usage_bug+0xc0/0xc0
[  219.522918] Swap cache stats: add 0, delete 0, find 0/0
[  219.526355]  ? ktime_get+0x2c1/0x400
[  219.530397] Free swap  = 0kB
[  219.535746]  ? check_preemption_disabled+0x48/0x280
[  219.539430] Total swap = 0kB
[  219.542436]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  219.547423] 1965979 pages RAM
[  219.550431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.554896] 0 pages HighMem/MovableOnly
[  219.557990]  ? should_fail+0x22d/0xd01
[  219.563493] 342854 pages reserved
[  219.567454]  ? kasan_check_read+0x11/0x20
[  219.571304] 0 pages cma reserved
[  219.571383] net_ratelimit: 246 callbacks suppressed
[  219.571389] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  219.574751]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.574766]  ? __lock_acquire+0x62f/0x4c20
[  219.574783]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.578950] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  219.582259]  ? should_fail+0x22d/0xd01
[  219.587244] ksoftirqd/0 cpuset=/ mems_allowed=0
[  219.593720]  ? print_usage_bug+0xc0/0xc0
[  219.630964]  ? mark_held_locks+0x130/0x130
[  219.635200]  ? mark_held_locks+0x130/0x130
[  219.639703]  ? check_preemption_disabled+0x48/0x280
[  219.644732]  ? zap_class+0x640/0x640
[  219.648443]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  219.653202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.658733]  ? check_preemption_disabled+0x48/0x280
[  219.663753]  ? __lock_is_held+0xb5/0x140
[  219.667819]  __alloc_pages_nodemask+0xa80/0xde0
[  219.672485]  ? zap_class+0x640/0x640
[  219.676199]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  219.681222]  ? find_held_lock+0x36/0x1c0
[  219.685286]  ? ____cache_alloc_node+0x1c7/0x1e0
[  219.689954]  ? lock_downgrade+0x900/0x900
[  219.694113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.699656]  cache_grow_begin+0xa5/0x8c0
[  219.703712]  ? do_raw_spin_unlock+0xa7/0x330
[  219.708128]  fallback_alloc+0x204/0x2e0
[  219.712107]  ____cache_alloc_node+0x1c7/0x1e0
[  219.716690]  kmem_cache_alloc_node+0xe3/0x730
[  219.721179]  ? __kmalloc_node_track_caller+0x50/0x70
[  219.726282]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.731822]  __alloc_skb+0x119/0x770
[  219.735527]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  219.740886]  ? netdev_alloc_frag+0x1f0/0x1f0
[  219.745300]  ? vprintk_default+0x28/0x30
[  219.749355]  ? vprintk_func+0x85/0x181
[  219.753238]  ? printk+0xa7/0xcf
[  219.756515]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  219.761268]  ? trace_hardirqs_off+0xb8/0x310
[  219.765679]  new_skb+0x26/0x1c0
[  219.768956]  aoecmd_cfg+0x279/0x7f0
[  219.772586]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  219.776913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.782453]  ? __lock_is_held+0xb5/0x140
[  219.786517]  discover_timer+0x50/0x60
[  219.790312]  call_timer_fn+0x272/0x920
[  219.794194]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  219.799034]  ? process_timeout+0x40/0x40
[  219.803106]  ? mark_held_locks+0xc7/0x130
[  219.807750]  ? _raw_spin_unlock_irq+0x27/0x80
[  219.812241]  ? _raw_spin_unlock_irq+0x27/0x80
[  219.816733]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  219.821571]  ? lockdep_hardirqs_on+0x296/0x5b0
[  219.826150]  ? trace_hardirqs_on+0xbd/0x310
[  219.830471]  ? kasan_check_read+0x11/0x20
[  219.834620]  ? __run_timers+0x7da/0xc70
[  219.838588]  ? trace_hardirqs_off_caller+0x310/0x310
[  219.843703]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  219.848538]  __run_timers+0x7e5/0xc70
[  219.852340]  ? timer_fixup_init+0x70/0x70
[  219.856487]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  219.861500]  ? zap_class+0x640/0x640
[  219.865213]  ? print_usage_bug+0xc0/0xc0
[  219.869270]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  219.874460]  ? find_held_lock+0x36/0x1c0
[  219.878524]  ? zap_class+0x640/0x640
[  219.882239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.887775]  ? check_preemption_disabled+0x48/0x280
[  219.892796]  ? __lock_is_held+0xb5/0x140
[  219.896855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.902473]  ? check_preemption_disabled+0x48/0x280
[  219.907486]  run_timer_softirq+0x52/0xb0
[  219.911541]  ? rcu_read_lock_sched_held+0x14f/0x180
[  219.916551]  __do_softirq+0x308/0xb7e
[  219.920347]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  219.924836]  ? lock_downgrade+0x900/0x900
[  219.928983]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  219.934101]  ? pvclock_read_flags+0x160/0x160
[  219.938595]  ? lapic_next_event+0x5a/0x90
[  219.942744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.948283]  ? kvm_clock_read+0x18/0x30
[  219.952255]  ? kvm_sched_clock_read+0x9/0x20
[  219.956660]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.962196]  ? check_preemption_disabled+0x48/0x280
[  219.967214]  irq_exit+0x17f/0x1c0
[  219.970667]  smp_apic_timer_interrupt+0x1cb/0x760
[  219.975506]  ? smp_reschedule_interrupt+0x109/0x650
[  219.980517]  ? smp_call_function_single_interrupt+0x650/0x650
[  219.986395]  ? interrupt_entry+0xb5/0xc0
[  219.990454]  ? trace_hardirqs_off_caller+0xbb/0x310
[  219.995466]  ? trace_hardirqs_off_caller+0xbb/0x310
[  220.000482]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.005325]  ? trace_hardirqs_on_caller+0x310/0x310
[  220.010339]  ? trace_hardirqs_on_caller+0x310/0x310
[  220.015358]  ? task_prio+0x50/0x50
[  220.018893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.024425]  ? check_preemption_disabled+0x48/0x280
[  220.029440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.034289]  apic_timer_interrupt+0xf/0x20
[  220.038514]  </IRQ>
[  220.040750] RIP: 0010:lock_is_held_type+0x18b/0x210
[  220.045765] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  220.064661] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  220.072362] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  220.079626] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  220.086891] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  220.094155] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  220.101416] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  220.108707]  rcu_read_lock_held+0xa9/0xc0
[  220.112853]  css_next_child+0x2a2/0x620
[  220.116830]  ? cgroup_mount+0xd30/0xd30
[  220.120801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.126332]  ? check_preemption_disabled+0x48/0x280
[  220.131353]  ? __lock_is_held+0xb5/0x140
[  220.135433]  css_next_descendant_pre+0xeb/0x190
[  220.140103]  mem_cgroup_iter+0x42f/0x1160
[  220.144253]  ? kasan_check_write+0x14/0x20
[  220.148492]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  220.153242]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  220.158260]  ? shrink_slab+0xfa/0x8c0
[  220.162065]  ? shrink_active_list+0x1f00/0x1f00
[  220.166737]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  220.172355]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  220.177461]  ? cgroup_procs_write_finish+0xf0/0xf0
[  220.182389]  ? find_held_lock+0x36/0x1c0
[  220.186445]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.191976]  ? vmpressure+0x1a2/0x340
[  220.195773]  shrink_node+0x516/0x16b0
[  220.199568]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  220.204866]  ? shrink_node_memcg+0x18f0/0x18f0
[  220.209447]  ? kvm_clock_read+0x18/0x30
[  220.213417]  ? ktime_get+0x2c1/0x400
[  220.217133]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  220.221626]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  220.227158]  ? __cpuset_node_allowed+0x19b/0x660
[  220.231910]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  220.237617]  ? delayacct_end+0x5a/0x100
[  220.241599]  do_try_to_free_pages+0x3e7/0x1290
[  220.246175]  ? zap_class+0x640/0x640
[  220.249899]  ? shrink_node+0x16b0/0x16b0
[  220.253955]  ? __lock_is_held+0xb5/0x140
[  220.258022]  try_to_free_pages+0x4d0/0xb90
[  220.262267]  ? do_try_to_free_pages+0x1290/0x1290
[  220.267114]  ? lock_acquire+0x1ed/0x520
[  220.271082]  ? set_page_refcounted+0x280/0x280
[  220.275665]  ? lock_release+0xa00/0xa00
[  220.279635]  ? _raw_spin_unlock_irq+0x60/0x80
[  220.284123]  ? psi_memstall_enter+0x240/0x2b0
[  220.288615]  ? psi_memstall_tick+0x230/0x230
[  220.293026]  __alloc_pages_slowpath+0xa14/0x2e10
[  220.297806]  ? warn_alloc+0x120/0x120
[  220.301606]  ? mark_held_locks+0x130/0x130
[  220.305840]  ? find_get_entry+0xaae/0x1120
[  220.310085]  ? filemap_map_pages+0x1a20/0x1a20
[  220.314666]  ? zap_class+0x640/0x640
[  220.318382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.323913]  ? check_preemption_disabled+0x48/0x280
[  220.328926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.334462]  ? should_fail+0x22d/0xd01
[  220.338346]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.343445]  ? zap_class+0x640/0x640
[  220.347180]  ? __lock_is_held+0xb5/0x140
[  220.351329]  ? mark_held_locks+0x130/0x130
[  220.355559]  ? lock_release+0xa00/0xa00
[  220.359529]  ? perf_trace_sched_process_exec+0x860/0x860
[  220.364975]  ? xa_load+0x2ba/0x460
[  220.368512]  ? lock_downgrade+0x900/0x900
[  220.372656]  ? __might_sleep+0x95/0x190
[  220.376628]  __alloc_pages_nodemask+0xa80/0xde0
[  220.381303]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  220.386327]  ? __page_cache_alloc+0x191/0x5c0
[  220.390822]  ? xa_load+0x2e1/0x460
[  220.394357]  ? xa_clear_mark+0x40/0x40
[  220.398276]  ? zap_class+0x640/0x640
[  220.401999]  ? zap_class+0x640/0x640
[  220.405710]  ? zap_class+0x640/0x640
[  220.409421]  ? __do_page_cache_readahead+0x663/0x810
[  220.414522]  ? find_held_lock+0x36/0x1c0
[  220.418588]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  220.424129]  alloc_pages_current+0x173/0x350
[  220.428539]  __page_cache_alloc+0x38c/0x5c0
[  220.432856]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  220.437778]  ? kasan_check_read+0x11/0x20
[  220.441924]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  220.447200]  ? generic_perform_write+0x6a0/0x6a0
[  220.451950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.457483]  ? check_preemption_disabled+0x48/0x280
[  220.462500]  filemap_fault+0x1595/0x25f0
[  220.466575]  ? __lock_page_or_retry+0xa00/0xa00
[  220.471255]  ? mark_held_locks+0x130/0x130
[  220.475497]  ? filemap_map_pages+0xd6b/0x1a20
[  220.479991]  ? lock_downgrade+0x900/0x900
[  220.484136]  ? check_preemption_disabled+0x48/0x280
[  220.489152]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  220.494079]  ? kasan_check_read+0x11/0x20
[  220.498224]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  220.503495]  ? rcu_softirq_qs+0x20/0x20
[  220.507475]  ? filemap_map_pages+0xd92/0x1a20
[  220.511968]  ? print_usage_bug+0xc0/0xc0
[  220.516033]  ? find_get_entries_tag+0x1400/0x1400
[  220.520869]  ? __kasan_slab_free+0x102/0x150
[  220.525274]  ? kasan_slab_free+0xe/0x10
[  220.529243]  ? kmem_cache_free+0x83/0x290
[  220.533404]  ? __sigqueue_free.part.29+0x74/0x90
[  220.538176]  ? lock_acquire+0x1ed/0x520
[  220.542143]  ? ext4_filemap_fault+0x7a/0xad
[  220.546463]  ? lock_release+0xa00/0xa00
[  220.550434]  ? perf_trace_sched_process_exec+0x860/0x860
[  220.555879]  ? print_usage_bug+0xc0/0xc0
[  220.560031]  ? print_usage_bug+0xc0/0xc0
[  220.564098]  ? down_read+0x8d/0x120
[  220.567717]  ? ext4_filemap_fault+0x7a/0xad
[  220.572038]  ? __down_interruptible+0x700/0x700
[  220.576711]  ext4_filemap_fault+0x82/0xad
[  220.580853]  __do_fault+0x100/0x6b0
[  220.584478]  ? pmd_devmap_trans_unstable+0x220/0x220
[  220.590793]  ? mark_held_locks+0x130/0x130
[  220.595028]  ? mark_held_locks+0x130/0x130
[  220.599264]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  220.604794]  ? rcu_pm_notify+0xc0/0xc0
[  220.608680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.614219]  __handle_mm_fault+0x3ea0/0x5be0
[  220.618628]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  220.623464]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.627959]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  220.632539]  ? trace_hardirqs_on+0xbd/0x310
[  220.636857]  ? kasan_check_read+0x11/0x20
[  220.641003]  ? __set_current_blocked+0xdf/0x120
[  220.645686]  ? trace_hardirqs_off_caller+0x310/0x310
[  220.650797]  ? zap_class+0x640/0x640
[  220.654505]  ? zap_class+0x640/0x640
[  220.658221]  ? find_held_lock+0x36/0x1c0
[  220.662284]  ? handle_mm_fault+0x42a/0xc70
[  220.666521]  ? lock_downgrade+0x900/0x900
[  220.670668]  ? check_preemption_disabled+0x48/0x280
[  220.675680]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  220.680602]  ? kasan_check_read+0x11/0x20
[  220.684744]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  220.690019]  ? rcu_softirq_qs+0x20/0x20
[  220.693987]  ? trace_hardirqs_off_caller+0x310/0x310
[  220.699182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.704715]  ? check_preemption_disabled+0x48/0x280
[  220.709734]  handle_mm_fault+0x54f/0xc70
[  220.713797]  ? __handle_mm_fault+0x5be0/0x5be0
[  220.718376]  ? find_vma+0x34/0x190
[  220.721927]  __do_page_fault+0x5e8/0xe60
[  220.725983]  ? exit_to_usermode_loop+0x1f4/0x380
[  220.730749]  do_page_fault+0xf2/0x7e0
[  220.734567]  ? vmalloc_sync_all+0x30/0x30
[  220.738712]  ? error_entry+0x70/0xd0
[  220.742422]  ? trace_hardirqs_off_caller+0xbb/0x310
[  220.747431]  ? trace_hardirqs_on_caller+0xc0/0x310
[  220.752358]  ? syscall_return_slowpath+0x5e0/0x5e0
[  220.757281]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.762122]  ? trace_hardirqs_on_caller+0x310/0x310
[  220.767135]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  220.772584]  ? prepare_exit_to_usermode+0x291/0x3b0
[  220.777594]  ? page_fault+0x8/0x30
[  220.781129]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.785967]  ? page_fault+0x8/0x30
[  220.789499]  page_fault+0x1e/0x30
[  220.792948] RIP: 0033:0x45db60
[  220.796148] Code: Bad RIP value.
[  220.799503] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  220.804870] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  220.812135] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  220.819400] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  220.826679] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  220.833941] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  220.841225] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  220.841280] aoe: skb alloc failure
[  220.847974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  220.847979] Call Trace:
[  220.848004]  dump_stack+0x244/0x39d
[  220.848024]  ? dump_stack_print_info.cold.1+0x20/0x20
[  220.851566] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  220.860891]  warn_alloc.cold.116+0xb7/0x1bd
[  220.863443] syz-fuzzer cpuset=/ mems_allowed=0
[  220.867057]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  220.896119]  ? lock_downgrade+0x900/0x900
[  220.900271]  ? trace_hardirqs_off+0xb8/0x310
[  220.904679]  ? trace_hardirqs_off+0xb8/0x310
[  220.909091]  __alloc_pages_slowpath+0x26e8/0x2e10
[  220.913952]  ? warn_alloc+0x120/0x120
[  220.917751]  ? print_usage_bug+0xc0/0xc0
[  220.921806]  ? warn_alloc+0x120/0x120
[  220.925607]  ? warn_alloc+0x120/0x120
[  220.929401]  ? print_usage_bug+0xc0/0xc0
[  220.933460]  ? print_usage_bug+0xc0/0xc0
[  220.937518]  ? __lock_acquire+0x62f/0x4c20
[  220.941753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.947285]  ? should_fail+0x22d/0xd01
[  220.951173]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.956273]  ? __lock_acquire+0x62f/0x4c20
[  220.960504]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.965606]  ? __lock_acquire+0x62f/0x4c20
[  220.969835]  ? should_fail+0x22d/0xd01
[  220.973716]  ? find_held_lock+0x36/0x1c0
[  220.977781]  ? mark_held_locks+0x130/0x130
[  220.982026]  ? mark_held_locks+0x130/0x130
[  220.986253]  ? zap_class+0x640/0x640
[  220.989963]  ? zap_class+0x640/0x640
[  220.993678]  ? print_usage_bug+0xc0/0xc0
[  220.997731]  ? do_raw_spin_unlock+0xa7/0x330
[  221.002133]  ? zap_class+0x640/0x640
[  221.005838]  ? print_usage_bug+0xc0/0xc0
[  221.009892]  ? wq_watchdog_touch+0x9c/0xfe
[  221.014135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.019672]  ? check_preemption_disabled+0x48/0x280
[  221.024692]  ? __lock_is_held+0xb5/0x140
[  221.028756]  __alloc_pages_nodemask+0xa80/0xde0
[  221.033418]  ? zap_class+0x640/0x640
[  221.037131]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  221.042163]  ? find_held_lock+0x36/0x1c0
[  221.046227]  ? ____cache_alloc_node+0x1c7/0x1e0
[  221.050889]  ? lock_downgrade+0x900/0x900
[  221.055041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.060575]  cache_grow_begin+0xa5/0x8c0
[  221.064629]  ? do_raw_spin_unlock+0xa7/0x330
[  221.069044]  fallback_alloc+0x204/0x2e0
[  221.073026]  ____cache_alloc_node+0x1c7/0x1e0
[  221.077518]  kmem_cache_alloc_node+0xe3/0x730
[  221.082018]  ? ipv6_get_ifaddr+0x42e/0x620
[  221.086255]  __alloc_skb+0x119/0x770
[  221.089964]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  221.095249]  ? netdev_alloc_frag+0x1f0/0x1f0
[  221.099653]  ? lock_downgrade+0x900/0x900
[  221.103806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.109334]  ? refcount_sub_and_test_checked+0x203/0x310
[  221.114789]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  221.120232]  ? addrconf_rs_timer+0x690/0x690
[  221.124646]  ndisc_alloc_skb+0x144/0x340
[  221.128705]  ndisc_send_rs+0x331/0x6e0
[  221.132592]  addrconf_rs_timer+0x314/0x690
[  221.136828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.141066]  call_timer_fn+0x272/0x920
[  221.144949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.149181]  ? process_timeout+0x40/0x40
[  221.153249]  ? __run_timers+0x7da/0xc70
[  221.157218]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.161707]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.166195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.170423]  ? lockdep_hardirqs_on+0x296/0x5b0
[  221.175010]  ? trace_hardirqs_on+0xbd/0x310
[  221.179327]  ? kasan_check_read+0x11/0x20
[  221.183466]  ? __run_timers+0x7da/0xc70
[  221.187434]  ? trace_hardirqs_off_caller+0x310/0x310
[  221.192537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.196772]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.201004]  __run_timers+0x7e5/0xc70
[  221.204822]  ? timer_fixup_init+0x70/0x70
[  221.208972]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.213462]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.217955]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  221.222541]  ? trace_hardirqs_on+0xbd/0x310
[  221.226855]  ? kasan_check_read+0x11/0x20
[  221.231024]  ? finish_task_switch+0x1f4/0x910
[  221.235516]  ? trace_hardirqs_off_caller+0x310/0x310
[  221.240616]  ? compat_start_thread+0x80/0x80
[  221.245042]  ? pvclock_read_flags+0x160/0x160
[  221.249530]  ? __switch_to_asm+0x34/0x70
[  221.253590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.259123]  ? check_preemption_disabled+0x48/0x280
[  221.264185]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  221.269730]  ? rcu_pm_notify+0xc0/0xc0
[  221.273611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.279143]  ? check_preemption_disabled+0x48/0x280
[  221.284162]  run_timer_softirq+0x52/0xb0
[  221.288216]  ? rcu_read_lock_sched_held+0x14f/0x180
[  221.293226]  __do_softirq+0x308/0xb7e
[  221.297052]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  221.302150]  ? smpboot_thread_fn+0x334/0xa00
[  221.306556]  ? schedule+0x108/0x460
[  221.310180]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  221.314938]  ? trace_hardirqs_off+0xb8/0x310
[  221.319349]  ? smpboot_thread_fn+0x68b/0xa00
[  221.323755]  ? trace_hardirqs_on+0x310/0x310
[  221.328158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.333691]  ? check_preemption_disabled+0x48/0x280
[  221.338713]  ? takeover_tasklets+0xa90/0xa90
[  221.343120]  run_ksoftirqd+0x5e/0x100
[  221.346922]  smpboot_thread_fn+0x68b/0xa00
[  221.351164]  ? sort_range+0x30/0x30
[  221.354786]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  221.359883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.365418]  ? __kthread_parkme+0xfb/0x1a0
[  221.369648]  ? sort_range+0x30/0x30
[  221.373273]  kthread+0x35a/0x440
[  221.376634]  ? kthread_stop+0x900/0x900
[  221.380611]  ret_from_fork+0x3a/0x50
[  221.384336] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  221.384340] warn_alloc_show_mem: 1 callbacks suppressed
[  221.384346] Mem-Info:
[  221.391262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  221.396622] active_anon:52607 inactive_anon:182 isolated_anon:0
[  221.396622]  active_file:12 inactive_file:11 isolated_file:0
[  221.396622]  unevictable:0 dirty:0 writeback:0 unstable:0
[  221.396622]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  221.396622]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  221.396622]  free:13782 free_pcp:358 free_cma:0
[  221.398998] Call Trace:
[  221.408370] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  221.441207]  <IRQ>
[  221.443771] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  221.471260]  dump_stack+0x244/0x39d
[  221.473383] lowmem_reserve[]: 0 2818 6321 6321
[  221.499486]  ? dump_stack_print_info.cold.1+0x20/0x20
[  221.503088] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  221.507671]  warn_alloc.cold.116+0xb7/0x1bd
[  221.512825] lowmem_reserve[]: 0 0 3503 3503
[  221.540491]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  221.544782] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  221.549098]  ? lock_downgrade+0x900/0x900
[  221.553908] lowmem_reserve[]: 0 0 0 0
[  221.582875]  ? trace_hardirqs_off+0xb8/0x310
[  221.586994] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  221.590788]  ? trace_hardirqs_off+0xb8/0x310
[  221.595161] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  221.608684]  __alloc_pages_slowpath+0x26e8/0x2e10
[  221.613058] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  221.628246]  ? warn_alloc+0x120/0x120
[  221.633046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  221.648264]  ? warn_alloc+0x120/0x120
[  221.652042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  221.660859]  ? __lock_acquire+0x62f/0x4c20
[  221.664629] 266 total pagecache pages
[  221.673190]  ? warn_alloc+0x120/0x120
[  221.677405] 0 pages in swap cache
[  221.681187]  ? print_usage_bug+0xc0/0xc0
[  221.684967] Swap cache stats: add 0, delete 0, find 0/0
[  221.688401]  ? print_usage_bug+0xc0/0xc0
[  221.692432] Free swap  = 0kB
[  221.697780]  ? mark_held_locks+0x130/0x130
[  221.701813] Total swap = 0kB
[  221.704820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.709023] 1965979 pages RAM
[  221.712028]  ? should_fail+0x22d/0xd01
[  221.717531] 0 pages HighMem/MovableOnly
[  221.717538] 342854 pages reserved
[  221.720630]  ? zap_class+0x640/0x640
[  221.724485] 0 pages cma reserved
[  221.728449]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.731966] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  221.735577]  ? __lock_acquire+0x62f/0x4c20
[  221.739016] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  221.744018]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.750481] ksoftirqd/0 cpuset=/ mems_allowed=0
[  221.754706]  ? should_fail+0x22d/0xd01
[  221.778613]  ? mark_held_locks+0x130/0x130
[  221.782843]  ? mark_held_locks+0x130/0x130
[  221.787075]  ? lock_downgrade+0x900/0x900
[  221.791227]  ? zap_class+0x640/0x640
[  221.794941]  ? zap_class+0x640/0x640
[  221.798654]  ? zap_class+0x640/0x640
[  221.802367]  ? do_raw_spin_unlock+0xa7/0x330
[  221.807307]  ? trace_hardirqs_on+0x310/0x310
[  221.811799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.817334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.822870]  ? check_preemption_disabled+0x48/0x280
[  221.827888]  ? __lock_is_held+0xb5/0x140
[  221.831958]  __alloc_pages_nodemask+0xa80/0xde0
[  221.836622]  ? zap_class+0x640/0x640
[  221.840333]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  221.845352]  ? find_held_lock+0x36/0x1c0
[  221.849416]  ? ____cache_alloc_node+0x1c7/0x1e0
[  221.854083]  ? lock_downgrade+0x900/0x900
[  221.858234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.863784]  cache_grow_begin+0xa5/0x8c0
[  221.867841]  ? do_raw_spin_unlock+0xa7/0x330
[  221.872252]  fallback_alloc+0x204/0x2e0
[  221.876227]  ____cache_alloc_node+0x1c7/0x1e0
[  221.880722]  kmem_cache_alloc_node+0xe3/0x730
[  221.885210]  ? __kmalloc_node_track_caller+0x50/0x70
[  221.890311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.895848]  __alloc_skb+0x119/0x770
[  221.899557]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  221.904927]  ? netdev_alloc_frag+0x1f0/0x1f0
[  221.909340]  ? vprintk_default+0x28/0x30
[  221.913400]  ? vprintk_func+0x85/0x181
[  221.917285]  ? printk+0xa7/0xcf
[  221.920558]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  221.925310]  ? trace_hardirqs_off+0xb8/0x310
[  221.929718]  new_skb+0x26/0x1c0
[  221.932990]  aoecmd_cfg+0x279/0x7f0
[  221.936621]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  221.940944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.946487]  ? __lock_is_held+0xb5/0x140
[  221.950557]  discover_timer+0x50/0x60
[  221.954355]  call_timer_fn+0x272/0x920
[  221.958237]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  221.963076]  ? process_timeout+0x40/0x40
[  221.967139]  ? mark_held_locks+0xc7/0x130
[  221.971284]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.975782]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.980274]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  221.985113]  ? lockdep_hardirqs_on+0x296/0x5b0
[  221.989693]  ? trace_hardirqs_on+0xbd/0x310
[  221.994007]  ? kasan_check_read+0x11/0x20
[  221.998150]  ? __run_timers+0x7da/0xc70
[  222.002123]  ? trace_hardirqs_off_caller+0x310/0x310
[  222.007232]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  222.012066]  __run_timers+0x7e5/0xc70
[  222.015888]  ? timer_fixup_init+0x70/0x70
[  222.020042]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  222.025057]  ? zap_class+0x640/0x640
[  222.028768]  ? print_usage_bug+0xc0/0xc0
[  222.032828]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  222.038027]  ? find_held_lock+0x36/0x1c0
[  222.042092]  ? zap_class+0x640/0x640
[  222.045804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.051334]  ? check_preemption_disabled+0x48/0x280
[  222.056355]  ? __lock_is_held+0xb5/0x140
[  222.060416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.065949]  ? check_preemption_disabled+0x48/0x280
[  222.070963]  run_timer_softirq+0x52/0xb0
[  222.075022]  ? rcu_read_lock_sched_held+0x14f/0x180
[  222.080038]  __do_softirq+0x308/0xb7e
[  222.083836]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  222.088331]  ? lock_downgrade+0x900/0x900
[  222.092477]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  222.097582]  ? pvclock_read_flags+0x160/0x160
[  222.102072]  ? lapic_next_event+0x5a/0x90
[  222.106217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.111752]  ? kvm_clock_read+0x18/0x30
[  222.115723]  ? kvm_sched_clock_read+0x9/0x20
[  222.120126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.125660]  ? check_preemption_disabled+0x48/0x280
[  222.130682]  irq_exit+0x17f/0x1c0
[  222.134134]  smp_apic_timer_interrupt+0x1cb/0x760
[  222.138969]  ? smp_reschedule_interrupt+0x109/0x650
[  222.143978]  ? smp_call_function_single_interrupt+0x650/0x650
[  222.149855]  ? interrupt_entry+0xb5/0xc0
[  222.153928]  ? trace_hardirqs_off_caller+0xbb/0x310
[  222.158936]  ? trace_hardirqs_off_caller+0xbb/0x310
[  222.163950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.168785]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.173794]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.178803]  ? task_prio+0x50/0x50
[  222.182341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.188056]  ? check_preemption_disabled+0x48/0x280
[  222.193070]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.197915]  apic_timer_interrupt+0xf/0x20
[  222.202136]  </IRQ>
[  222.204369] RIP: 0010:lock_is_held_type+0x18b/0x210
[  222.209379] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  222.228273] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  222.235973] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  222.243235] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  222.250496] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  222.257759] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  222.265024] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  222.272329]  rcu_read_lock_held+0xa9/0xc0
[  222.276470]  css_next_child+0x2a2/0x620
[  222.280443]  ? cgroup_mount+0xd30/0xd30
[  222.284422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.289952]  ? check_preemption_disabled+0x48/0x280
[  222.294973]  ? __lock_is_held+0xb5/0x140
[  222.299041]  css_next_descendant_pre+0xeb/0x190
[  222.303706]  mem_cgroup_iter+0x42f/0x1160
[  222.307852]  ? kasan_check_write+0x14/0x20
[  222.312091]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  222.316846]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  222.321866]  ? shrink_slab+0xfa/0x8c0
[  222.325670]  ? shrink_active_list+0x1f00/0x1f00
[  222.330341]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  222.335958]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  222.341064]  ? cgroup_procs_write_finish+0xf0/0xf0
[  222.345997]  ? find_held_lock+0x36/0x1c0
[  222.350057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.355590]  ? vmpressure+0x1a2/0x340
[  222.359390]  shrink_node+0x516/0x16b0
[  222.363186]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  222.368479]  ? shrink_node_memcg+0x18f0/0x18f0
[  222.373063]  ? kvm_clock_read+0x18/0x30
[  222.377031]  ? ktime_get+0x2c1/0x400
[  222.380745]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  222.385236]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  222.390766]  ? __cpuset_node_allowed+0x19b/0x660
[  222.395519]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  222.401227]  ? delayacct_end+0x5a/0x100
[  222.405202]  do_try_to_free_pages+0x3e7/0x1290
[  222.409776]  ? zap_class+0x640/0x640
[  222.413502]  ? shrink_node+0x16b0/0x16b0
[  222.417563]  ? __lock_is_held+0xb5/0x140
[  222.421631]  try_to_free_pages+0x4d0/0xb90
[  222.425870]  ? do_try_to_free_pages+0x1290/0x1290
[  222.430719]  ? lock_acquire+0x1ed/0x520
[  222.434686]  ? set_page_refcounted+0x280/0x280
[  222.439269]  ? lock_release+0xa00/0xa00
[  222.443236]  ? _raw_spin_unlock_irq+0x60/0x80
[  222.447730]  ? psi_memstall_enter+0x240/0x2b0
[  222.452304]  ? psi_memstall_tick+0x230/0x230
[  222.456719]  __alloc_pages_slowpath+0xa14/0x2e10
[  222.461494]  ? warn_alloc+0x120/0x120
[  222.465288]  ? mark_held_locks+0x130/0x130
[  222.469526]  ? find_get_entry+0xaae/0x1120
[  222.473766]  ? filemap_map_pages+0x1a20/0x1a20
[  222.478346]  ? zap_class+0x640/0x640
[  222.482059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.487592]  ? check_preemption_disabled+0x48/0x280
[  222.492602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.498135]  ? should_fail+0x22d/0xd01
[  222.502025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.507126]  ? zap_class+0x640/0x640
[  222.510862]  ? __lock_is_held+0xb5/0x140
[  222.514929]  ? mark_held_locks+0x130/0x130
[  222.519164]  ? lock_release+0xa00/0xa00
[  222.523132]  ? perf_trace_sched_process_exec+0x860/0x860
[  222.528574]  ? xa_load+0x2ba/0x460
[  222.532108]  ? lock_downgrade+0x900/0x900
[  222.536255]  ? __might_sleep+0x95/0x190
[  222.540235]  __alloc_pages_nodemask+0xa80/0xde0
[  222.544903]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  222.549919]  ? __page_cache_alloc+0x191/0x5c0
[  222.554409]  ? xa_load+0x2e1/0x460
[  222.557946]  ? xa_clear_mark+0x40/0x40
[  222.561833]  ? zap_class+0x640/0x640
[  222.565556]  ? zap_class+0x640/0x640
[  222.569266]  ? zap_class+0x640/0x640
[  222.572975]  ? __do_page_cache_readahead+0x663/0x810
[  222.578078]  ? find_held_lock+0x36/0x1c0
[  222.582140]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  222.587678]  alloc_pages_current+0x173/0x350
[  222.592086]  __page_cache_alloc+0x38c/0x5c0
[  222.596407]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  222.601328]  ? kasan_check_read+0x11/0x20
[  222.605475]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  222.610747]  ? generic_perform_write+0x6a0/0x6a0
[  222.615500]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.621038]  ? check_preemption_disabled+0x48/0x280
[  222.626057]  filemap_fault+0x1595/0x25f0
[  222.630124]  ? __lock_page_or_retry+0xa00/0xa00
[  222.634792]  ? mark_held_locks+0x130/0x130
[  222.639032]  ? filemap_map_pages+0xd6b/0x1a20
[  222.643521]  ? lock_downgrade+0x900/0x900
[  222.647662]  ? check_preemption_disabled+0x48/0x280
[  222.652673]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  222.657606]  ? kasan_check_read+0x11/0x20
[  222.661746]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  222.667016]  ? rcu_softirq_qs+0x20/0x20
[  222.670999]  ? filemap_map_pages+0xd92/0x1a20
[  222.675492]  ? print_usage_bug+0xc0/0xc0
[  222.679556]  ? find_get_entries_tag+0x1400/0x1400
[  222.684393]  ? __kasan_slab_free+0x102/0x150
[  222.688799]  ? kasan_slab_free+0xe/0x10
[  222.692770]  ? kmem_cache_free+0x83/0x290
[  222.696913]  ? __sigqueue_free.part.29+0x74/0x90
[  222.701679]  ? lock_acquire+0x1ed/0x520
[  222.705645]  ? ext4_filemap_fault+0x7a/0xad
[  222.709965]  ? lock_release+0xa00/0xa00
[  222.713932]  ? perf_trace_sched_process_exec+0x860/0x860
[  222.719380]  ? print_usage_bug+0xc0/0xc0
[  222.723436]  ? print_usage_bug+0xc0/0xc0
[  222.727500]  ? down_read+0x8d/0x120
[  222.731118]  ? ext4_filemap_fault+0x7a/0xad
[  222.735434]  ? __down_interruptible+0x700/0x700
[  222.740104]  ext4_filemap_fault+0x82/0xad
[  222.744247]  __do_fault+0x100/0x6b0
[  222.747874]  ? pmd_devmap_trans_unstable+0x220/0x220
[  222.752978]  ? mark_held_locks+0x130/0x130
[  222.757208]  ? mark_held_locks+0x130/0x130
[  222.761436]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  222.767392]  ? rcu_pm_notify+0xc0/0xc0
[  222.771284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.776823]  __handle_mm_fault+0x3ea0/0x5be0
[  222.781241]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  222.786163]  ? _raw_spin_unlock_irq+0x27/0x80
[  222.790655]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  222.795232]  ? trace_hardirqs_on+0xbd/0x310
[  222.799546]  ? kasan_check_read+0x11/0x20
[  222.803691]  ? __set_current_blocked+0xdf/0x120
[  222.808357]  ? trace_hardirqs_off_caller+0x310/0x310
[  222.813471]  ? zap_class+0x640/0x640
[  222.817180]  ? zap_class+0x640/0x640
[  222.820893]  ? find_held_lock+0x36/0x1c0
[  222.824960]  ? handle_mm_fault+0x42a/0xc70
[  222.829192]  ? lock_downgrade+0x900/0x900
[  222.833335]  ? check_preemption_disabled+0x48/0x280
[  222.838356]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  222.843282]  ? kasan_check_read+0x11/0x20
[  222.847424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  222.852694]  ? rcu_softirq_qs+0x20/0x20
[  222.856661]  ? trace_hardirqs_off_caller+0x310/0x310
[  222.861758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.867290]  ? check_preemption_disabled+0x48/0x280
[  222.872306]  handle_mm_fault+0x54f/0xc70
[  222.876383]  ? __handle_mm_fault+0x5be0/0x5be0
[  222.880968]  ? find_vma+0x34/0x190
[  222.884505]  __do_page_fault+0x5e8/0xe60
[  222.888566]  ? exit_to_usermode_loop+0x1f4/0x380
[  222.893325]  do_page_fault+0xf2/0x7e0
[  222.897145]  ? vmalloc_sync_all+0x30/0x30
[  222.901290]  ? error_entry+0x70/0xd0
[  222.904997]  ? trace_hardirqs_off_caller+0xbb/0x310
[  222.910008]  ? trace_hardirqs_on_caller+0xc0/0x310
[  222.914930]  ? syscall_return_slowpath+0x5e0/0x5e0
[  222.919852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.924687]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.929694]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  222.935142]  ? prepare_exit_to_usermode+0x291/0x3b0
[  222.940149]  ? page_fault+0x8/0x30
[  222.943686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.948537]  ? page_fault+0x8/0x30
[  222.952071]  page_fault+0x1e/0x30
[  222.955520] RIP: 0033:0x45db60
[  222.958726] Code: Bad RIP value.
[  222.962080] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  222.967438] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  222.974700] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  222.981973] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  222.989233] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  222.996495] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  223.003786] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  223.003855] aoe: skb alloc failure
[  223.010546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  223.014114] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  223.023396] Call Trace:
[  223.033598] syz-fuzzer cpuset=/ mems_allowed=0
[  223.036174]  dump_stack+0x244/0x39d
[  223.044345]  ? dump_stack_print_info.cold.1+0x20/0x20
[  223.049543]  warn_alloc.cold.116+0xb7/0x1bd
[  223.053868]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  223.058707]  ? lock_downgrade+0x900/0x900
[  223.062861]  ? trace_hardirqs_off+0xb8/0x310
[  223.067269]  ? trace_hardirqs_off+0xb8/0x310
[  223.071681]  __alloc_pages_slowpath+0x26e8/0x2e10
[  223.076545]  ? warn_alloc+0x120/0x120
[  223.080347]  ? warn_alloc+0x120/0x120
[  223.084161]  ? warn_alloc+0x120/0x120
[  223.087964]  ? print_usage_bug+0xc0/0xc0
[  223.092031]  ? check_preemption_disabled+0x48/0x280
[  223.097044]  ? print_usage_bug+0xc0/0xc0
[  223.101098]  ? kasan_check_read+0x11/0x20
[  223.105241]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  223.110511]  ? rcu_softirq_qs+0x20/0x20
[  223.114486]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.120020]  ? should_fail+0x22d/0xd01
[  223.123905]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.129006]  ? __lock_acquire+0x62f/0x4c20
[  223.133240]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.138335]  ? __lock_acquire+0x62f/0x4c20
[  223.142565]  ? should_fail+0x22d/0xd01
[  223.146459]  ? mark_held_locks+0x130/0x130
[  223.150694]  ? mark_held_locks+0x130/0x130
[  223.154928]  ? __enqueue_entity+0x10d/0x1f0
[  223.159247]  ? zap_class+0x640/0x640
[  223.162958]  ? print_usage_bug+0xc0/0xc0
[  223.167019]  ? enqueue_entity+0x34b/0x20a0
[  223.171249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.176782]  ? check_preemption_disabled+0x48/0x280
[  223.181818]  ? __lock_is_held+0xb5/0x140
[  223.185880]  __alloc_pages_nodemask+0xa80/0xde0
[  223.190545]  ? zap_class+0x640/0x640
[  223.194256]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  223.199275]  ? find_held_lock+0x36/0x1c0
[  223.203336]  ? ____cache_alloc_node+0x1c7/0x1e0
[  223.208006]  ? lock_downgrade+0x900/0x900
[  223.212154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.217692]  cache_grow_begin+0xa5/0x8c0
[  223.221744]  ? do_raw_spin_unlock+0xa7/0x330
[  223.226156]  fallback_alloc+0x204/0x2e0
[  223.230132]  ____cache_alloc_node+0x1c7/0x1e0
[  223.234626]  kmem_cache_alloc_node+0xe3/0x730
[  223.239114]  ? ipv6_get_ifaddr+0x42e/0x620
[  223.243356]  __alloc_skb+0x119/0x770
[  223.247062]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  223.252336]  ? netdev_alloc_frag+0x1f0/0x1f0
[  223.256739]  ? lock_downgrade+0x900/0x900
[  223.260889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.266418]  ? refcount_sub_and_test_checked+0x203/0x310
[  223.271867]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  223.277310]  ? addrconf_rs_timer+0x690/0x690
[  223.281726]  ndisc_alloc_skb+0x144/0x340
[  223.285795]  ndisc_send_rs+0x331/0x6e0
[  223.289687]  addrconf_rs_timer+0x314/0x690
[  223.293921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.298160]  call_timer_fn+0x272/0x920
[  223.302044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.306270]  ? process_timeout+0x40/0x40
[  223.310330]  ? __run_timers+0x7da/0xc70
[  223.314299]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.318794]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.323287]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.327517]  ? lockdep_hardirqs_on+0x296/0x5b0
[  223.332094]  ? trace_hardirqs_on+0xbd/0x310
[  223.336411]  ? kasan_check_read+0x11/0x20
[  223.340549]  ? __run_timers+0x7da/0xc70
[  223.344519]  ? trace_hardirqs_off_caller+0x310/0x310
[  223.349632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.353861]  __run_timers+0x7e5/0xc70
[  223.357668]  ? timer_fixup_init+0x70/0x70
[  223.361811]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.366303]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.370800]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  223.375380]  ? trace_hardirqs_on+0xbd/0x310
[  223.379697]  ? kasan_check_read+0x11/0x20
[  223.383848]  ? finish_task_switch+0x1f4/0x910
[  223.388338]  ? trace_hardirqs_off_caller+0x310/0x310
[  223.393435]  ? compat_start_thread+0x80/0x80
[  223.397859]  ? pvclock_read_flags+0x160/0x160
[  223.402350]  ? __switch_to_asm+0x34/0x70
[  223.406409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.411949]  ? check_preemption_disabled+0x48/0x280
[  223.416966]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  223.422499]  ? rcu_pm_notify+0xc0/0xc0
[  223.426388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.431921]  ? check_preemption_disabled+0x48/0x280
[  223.436938]  run_timer_softirq+0x52/0xb0
[  223.440994]  ? rcu_read_lock_sched_held+0x14f/0x180
[  223.446004]  __do_softirq+0x308/0xb7e
[  223.449822]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  223.454919]  ? smpboot_thread_fn+0x334/0xa00
[  223.459325]  ? schedule+0x108/0x460
[  223.462946]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  223.467709]  ? trace_hardirqs_off+0xb8/0x310
[  223.472113]  ? smpboot_thread_fn+0x68b/0xa00
[  223.476518]  ? trace_hardirqs_on+0x310/0x310
[  223.480936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.486468]  ? check_preemption_disabled+0x48/0x280
[  223.491482]  ? takeover_tasklets+0xa90/0xa90
[  223.495888]  run_ksoftirqd+0x5e/0x100
[  223.499683]  smpboot_thread_fn+0x68b/0xa00
[  223.503919]  ? sort_range+0x30/0x30
[  223.507541]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  223.512638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.518174]  ? __kthread_parkme+0xfb/0x1a0
[  223.522410]  ? sort_range+0x30/0x30
[  223.526029]  kthread+0x35a/0x440
[  223.529392]  ? kthread_stop+0x900/0x900
[  223.533365]  ret_from_fork+0x3a/0x50
[  223.537084] warn_alloc_show_mem: 1 callbacks suppressed
[  223.537093] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  223.537095] Mem-Info:
[  223.537126] active_anon:52607 inactive_anon:182 isolated_anon:0
[  223.537126]  active_file:12 inactive_file:11 isolated_file:0
[  223.537126]  unevictable:0 dirty:0 writeback:0 unstable:0
[  223.537126]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  223.537126]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  223.537126]  free:13782 free_pcp:358 free_cma:0
[  223.542458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  223.549379] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  223.551777] Call Trace:
[  223.584632] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  223.593968]  <IRQ>
[  223.621436] lowmem_reserve[]: 0 2818 6321 6321
[  223.624016]  dump_stack+0x244/0x39d
[  223.650555] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  223.652714]  ? dump_stack_print_info.cold.1+0x20/0x20
[  223.657251] lowmem_reserve[]: 0 0 3503 3503
[  223.660881]  warn_alloc.cold.116+0xb7/0x1bd
[  223.688521] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  223.693708]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  223.697999] lowmem_reserve[]: 0 0 0 0
[  223.702314]  ? lock_downgrade+0x900/0x900
[  223.731518] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  223.736359]  ? trace_hardirqs_off+0xb8/0x310
[  223.740128] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  223.744268]  ? trace_hardirqs_off+0xb8/0x310
[  223.757847] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  223.762261]  __alloc_pages_slowpath+0x26e8/0x2e10
[  223.777401] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  223.781812]  ? warn_alloc+0x120/0x120
[  223.796682] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  223.801509]  ? warn_alloc+0x120/0x120
[  223.811498] 266 total pagecache pages
[  223.815302]  ? warn_alloc+0x120/0x120
[  223.823852] 0 pages in swap cache
[  223.827637]  ? print_usage_bug+0xc0/0xc0
[  223.831410] Swap cache stats: add 0, delete 0, find 0/0
[  223.835195]  ? print_usage_bug+0xc0/0xc0
[  223.838620] Free swap  = 0kB
[  223.842665]  ? ktime_get+0x2c1/0x400
[  223.848000] Total swap = 0kB
[  223.852052]  ? check_preemption_disabled+0x48/0x280
[  223.855037] 1965979 pages RAM
[  223.858746]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  223.861732] 0 pages HighMem/MovableOnly
[  223.866747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.869823] 342854 pages reserved
[  223.874302]  ? should_fail+0x22d/0xd01
[  223.878247] 0 pages cma reserved
[  223.883774]  ? kasan_check_read+0x11/0x20
[  223.887273] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  223.891077]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.894491] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  223.898557]  ? __lock_acquire+0x62f/0x4c20
[  223.905017] ksoftirqd/0 cpuset=/ mems_allowed=0
[  223.910110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.934345]  ? should_fail+0x22d/0xd01
[  223.938228]  ? print_usage_bug+0xc0/0xc0
[  223.942294]  ? mark_held_locks+0x130/0x130
[  223.946528]  ? mark_held_locks+0x130/0x130
[  223.950759]  ? check_preemption_disabled+0x48/0x280
[  223.955778]  ? zap_class+0x640/0x640
[  223.959494]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  223.964245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.969780]  ? check_preemption_disabled+0x48/0x280
[  223.974802]  ? __lock_is_held+0xb5/0x140
[  223.978865]  __alloc_pages_nodemask+0xa80/0xde0
[  223.983527]  ? zap_class+0x640/0x640
[  223.987242]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  223.992271]  ? find_held_lock+0x36/0x1c0
[  223.996339]  ? ____cache_alloc_node+0x1c7/0x1e0
[  224.001006]  ? lock_downgrade+0x900/0x900
[  224.005154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.010691]  cache_grow_begin+0xa5/0x8c0
[  224.014759]  ? do_raw_spin_unlock+0xa7/0x330
[  224.019180]  fallback_alloc+0x204/0x2e0
[  224.023157]  ____cache_alloc_node+0x1c7/0x1e0
[  224.027650]  kmem_cache_alloc_node+0xe3/0x730
[  224.032142]  ? __kmalloc_node_track_caller+0x50/0x70
[  224.037242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.042790]  __alloc_skb+0x119/0x770
[  224.046499]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  224.052384]  ? netdev_alloc_frag+0x1f0/0x1f0
[  224.056796]  ? vprintk_default+0x28/0x30
[  224.060854]  ? vprintk_func+0x85/0x181
[  224.064748]  ? printk+0xa7/0xcf
[  224.068021]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  224.072775]  ? trace_hardirqs_off+0xb8/0x310
[  224.077184]  new_skb+0x26/0x1c0
[  224.080466]  aoecmd_cfg+0x279/0x7f0
[  224.084095]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  224.088420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.093962]  ? __lock_is_held+0xb5/0x140
[  224.098030]  discover_timer+0x50/0x60
[  224.101825]  call_timer_fn+0x272/0x920
[  224.105707]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  224.110557]  ? process_timeout+0x40/0x40
[  224.114621]  ? mark_held_locks+0xc7/0x130
[  224.118767]  ? _raw_spin_unlock_irq+0x27/0x80
[  224.123262]  ? _raw_spin_unlock_irq+0x27/0x80
[  224.127751]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  224.132587]  ? lockdep_hardirqs_on+0x296/0x5b0
[  224.137163]  ? trace_hardirqs_on+0xbd/0x310
[  224.141477]  ? kasan_check_read+0x11/0x20
[  224.145616]  ? __run_timers+0x7da/0xc70
[  224.149589]  ? trace_hardirqs_off_caller+0x310/0x310
[  224.154698]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  224.159542]  __run_timers+0x7e5/0xc70
[  224.163350]  ? timer_fixup_init+0x70/0x70
[  224.167493]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  224.172502]  ? zap_class+0x640/0x640
[  224.176215]  ? print_usage_bug+0xc0/0xc0
[  224.180273]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  224.185466]  ? find_held_lock+0x36/0x1c0
[  224.189530]  ? zap_class+0x640/0x640
[  224.193250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.198792]  ? check_preemption_disabled+0x48/0x280
[  224.203809]  ? __lock_is_held+0xb5/0x140
[  224.207955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.213503]  ? check_preemption_disabled+0x48/0x280
[  224.218519]  run_timer_softirq+0x52/0xb0
[  224.222578]  ? rcu_read_lock_sched_held+0x14f/0x180
[  224.227591]  __do_softirq+0x308/0xb7e
[  224.231389]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  224.235877]  ? lock_downgrade+0x900/0x900
[  224.240023]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  224.245126]  ? pvclock_read_flags+0x160/0x160
[  224.249618]  ? lapic_next_event+0x5a/0x90
[  224.253767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.259308]  ? kvm_clock_read+0x18/0x30
[  224.263281]  ? kvm_sched_clock_read+0x9/0x20
[  224.267684]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.273224]  ? check_preemption_disabled+0x48/0x280
[  224.278249]  irq_exit+0x17f/0x1c0
[  224.281697]  smp_apic_timer_interrupt+0x1cb/0x760
[  224.286540]  ? smp_reschedule_interrupt+0x109/0x650
[  224.291550]  ? smp_call_function_single_interrupt+0x650/0x650
[  224.297428]  ? interrupt_entry+0xb5/0xc0
[  224.301488]  ? trace_hardirqs_off_caller+0xbb/0x310
[  224.306496]  ? trace_hardirqs_off_caller+0xbb/0x310
[  224.311511]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.316353]  ? trace_hardirqs_on_caller+0x310/0x310
[  224.321363]  ? trace_hardirqs_on_caller+0x310/0x310
[  224.326377]  ? task_prio+0x50/0x50
[  224.329915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.335448]  ? check_preemption_disabled+0x48/0x280
[  224.340464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.345309]  apic_timer_interrupt+0xf/0x20
[  224.349533]  </IRQ>
[  224.351770] RIP: 0010:lock_is_held_type+0x18b/0x210
[  224.356785] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  224.375681] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  224.383393] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  224.390676] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  224.397944] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  224.405210] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  224.412476] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  224.419769]  rcu_read_lock_held+0xa9/0xc0
[  224.423932]  css_next_child+0x2a2/0x620
[  224.427907]  ? cgroup_mount+0xd30/0xd30
[  224.431881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.437412]  ? check_preemption_disabled+0x48/0x280
[  224.442431]  ? __lock_is_held+0xb5/0x140
[  224.446503]  css_next_descendant_pre+0xeb/0x190
[  224.451167]  mem_cgroup_iter+0x42f/0x1160
[  224.455313]  ? kasan_check_write+0x14/0x20
[  224.459548]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  224.464298]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  224.469317]  ? shrink_slab+0xfa/0x8c0
[  224.473111]  ? shrink_active_list+0x1f00/0x1f00
[  224.477783]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  224.483412]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  224.488516]  ? cgroup_procs_write_finish+0xf0/0xf0
[  224.493448]  ? find_held_lock+0x36/0x1c0
[  224.497505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.503035]  ? vmpressure+0x1a2/0x340
[  224.506839]  shrink_node+0x516/0x16b0
[  224.510633]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  224.515926]  ? shrink_node_memcg+0x18f0/0x18f0
[  224.520510]  ? kvm_clock_read+0x18/0x30
[  224.524479]  ? ktime_get+0x2c1/0x400
[  224.528195]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  224.532703]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  224.538242]  ? __cpuset_node_allowed+0x19b/0x660
[  224.542994]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  224.548709]  ? delayacct_end+0x5a/0x100
[  224.552698]  do_try_to_free_pages+0x3e7/0x1290
[  224.557272]  ? zap_class+0x640/0x640
[  224.560995]  ? shrink_node+0x16b0/0x16b0
[  224.565051]  ? __lock_is_held+0xb5/0x140
[  224.569122]  try_to_free_pages+0x4d0/0xb90
[  224.573359]  ? do_try_to_free_pages+0x1290/0x1290
[  224.578207]  ? lock_acquire+0x1ed/0x520
[  224.582186]  ? set_page_refcounted+0x280/0x280
[  224.586948]  ? lock_release+0xa00/0xa00
[  224.590915]  ? _raw_spin_unlock_irq+0x60/0x80
[  224.595408]  ? psi_memstall_enter+0x240/0x2b0
[  224.599898]  ? psi_memstall_tick+0x230/0x230
[  224.604313]  __alloc_pages_slowpath+0xa14/0x2e10
[  224.609092]  ? warn_alloc+0x120/0x120
[  224.612887]  ? mark_held_locks+0x130/0x130
[  224.617120]  ? find_get_entry+0xaae/0x1120
[  224.621357]  ? filemap_map_pages+0x1a20/0x1a20
[  224.625941]  ? zap_class+0x640/0x640
[  224.629652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.635190]  ? check_preemption_disabled+0x48/0x280
[  224.640203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.645739]  ? should_fail+0x22d/0xd01
[  224.649632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.654818]  ? zap_class+0x640/0x640
[  224.658549]  ? __lock_is_held+0xb5/0x140
[  224.662610]  ? mark_held_locks+0x130/0x130
[  224.666839]  ? lock_release+0xa00/0xa00
[  224.670812]  ? perf_trace_sched_process_exec+0x860/0x860
[  224.676256]  ? xa_load+0x2ba/0x460
[  224.679793]  ? lock_downgrade+0x900/0x900
[  224.683944]  ? __might_sleep+0x95/0x190
[  224.687923]  __alloc_pages_nodemask+0xa80/0xde0
[  224.692592]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  224.697605]  ? __page_cache_alloc+0x191/0x5c0
[  224.702091]  ? xa_load+0x2e1/0x460
[  224.705630]  ? xa_clear_mark+0x40/0x40
[  224.709512]  ? zap_class+0x640/0x640
[  224.713231]  ? zap_class+0x640/0x640
[  224.716937]  ? zap_class+0x640/0x640
[  224.720649]  ? __do_page_cache_readahead+0x663/0x810
[  224.725760]  ? find_held_lock+0x36/0x1c0
[  224.729825]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  224.735366]  alloc_pages_current+0x173/0x350
[  224.739774]  __page_cache_alloc+0x38c/0x5c0
[  224.744181]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  224.749111]  ? kasan_check_read+0x11/0x20
[  224.753254]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  224.758526]  ? generic_perform_write+0x6a0/0x6a0
[  224.763277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.768810]  ? check_preemption_disabled+0x48/0x280
[  224.773827]  filemap_fault+0x1595/0x25f0
[  224.777893]  ? __lock_page_or_retry+0xa00/0xa00
[  224.782559]  ? mark_held_locks+0x130/0x130
[  224.786795]  ? filemap_map_pages+0xd6b/0x1a20
[  224.791302]  ? lock_downgrade+0x900/0x900
[  224.795536]  ? check_preemption_disabled+0x48/0x280
[  224.800548]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  224.805474]  ? kasan_check_read+0x11/0x20
[  224.809615]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  224.814884]  ? rcu_softirq_qs+0x20/0x20
[  224.818871]  ? filemap_map_pages+0xd92/0x1a20
[  224.823365]  ? print_usage_bug+0xc0/0xc0
[  224.827451]  ? find_get_entries_tag+0x1400/0x1400
[  224.832291]  ? __kasan_slab_free+0x102/0x150
[  224.836695]  ? kasan_slab_free+0xe/0x10
[  224.840667]  ? kmem_cache_free+0x83/0x290
[  224.844822]  ? __sigqueue_free.part.29+0x74/0x90
[  224.849590]  ? lock_acquire+0x1ed/0x520
[  224.853558]  ? ext4_filemap_fault+0x7a/0xad
[  224.857881]  ? lock_release+0xa00/0xa00
[  224.861848]  ? perf_trace_sched_process_exec+0x860/0x860
[  224.867294]  ? print_usage_bug+0xc0/0xc0
[  224.871351]  ? print_usage_bug+0xc0/0xc0
[  224.875420]  ? down_read+0x8d/0x120
[  224.879041]  ? ext4_filemap_fault+0x7a/0xad
[  224.883366]  ? __down_interruptible+0x700/0x700
[  224.888041]  ext4_filemap_fault+0x82/0xad
[  224.892189]  __do_fault+0x100/0x6b0
[  224.895817]  ? pmd_devmap_trans_unstable+0x220/0x220
[  224.900917]  ? mark_held_locks+0x130/0x130
[  224.905152]  ? mark_held_locks+0x130/0x130
[  224.909391]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  224.914923]  ? rcu_pm_notify+0xc0/0xc0
[  224.918810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.924345]  __handle_mm_fault+0x3ea0/0x5be0
[  224.928762]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  224.933602]  ? _raw_spin_unlock_irq+0x27/0x80
[  224.938095]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  224.942684]  ? trace_hardirqs_on+0xbd/0x310
[  224.946999]  ? kasan_check_read+0x11/0x20
[  224.951145]  ? __set_current_blocked+0xdf/0x120
[  224.955808]  ? trace_hardirqs_off_caller+0x310/0x310
[  224.960916]  ? zap_class+0x640/0x640
[  224.964627]  ? zap_class+0x640/0x640
[  224.968348]  ? find_held_lock+0x36/0x1c0
[  224.972421]  ? handle_mm_fault+0x42a/0xc70
[  224.976657]  ? lock_downgrade+0x900/0x900
[  224.980804]  ? check_preemption_disabled+0x48/0x280
[  224.985823]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  224.990745]  ? kasan_check_read+0x11/0x20
[  224.994885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  225.000246]  ? rcu_softirq_qs+0x20/0x20
[  225.004219]  ? trace_hardirqs_off_caller+0x310/0x310
[  225.009322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.014856]  ? check_preemption_disabled+0x48/0x280
[  225.020047]  handle_mm_fault+0x54f/0xc70
[  225.024109]  ? __handle_mm_fault+0x5be0/0x5be0
[  225.028689]  ? find_vma+0x34/0x190
[  225.032227]  __do_page_fault+0x5e8/0xe60
[  225.036284]  ? exit_to_usermode_loop+0x1f4/0x380
[  225.041042]  do_page_fault+0xf2/0x7e0
[  225.044838]  ? vmalloc_sync_all+0x30/0x30
[  225.048984]  ? error_entry+0x70/0xd0
[  225.052694]  ? trace_hardirqs_off_caller+0xbb/0x310
[  225.057703]  ? trace_hardirqs_on_caller+0xc0/0x310
[  225.062633]  ? syscall_return_slowpath+0x5e0/0x5e0
[  225.067564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.072401]  ? trace_hardirqs_on_caller+0x310/0x310
[  225.077415]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  225.082867]  ? prepare_exit_to_usermode+0x291/0x3b0
[  225.087895]  ? page_fault+0x8/0x30
[  225.091437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.096275]  ? page_fault+0x8/0x30
[  225.099814]  page_fault+0x1e/0x30
[  225.103266] RIP: 0033:0x45db60
[  225.106463] Code: Bad RIP value.
[  225.109819] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  225.115177] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  225.122441] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  225.129707] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  225.136973] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  225.144237] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  225.151524] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  225.151582] aoe: skb alloc failure
[  225.158270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  225.158275] Call Trace:
[  225.158293]  dump_stack+0x244/0x39d
[  225.158312]  ? dump_stack_print_info.cold.1+0x20/0x20
[  225.161877] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  225.171182]  warn_alloc.cold.116+0xb7/0x1bd
[  225.173736] syz-fuzzer cpuset=/ mems_allowed=0
[  225.177352]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  225.206419]  ? lock_downgrade+0x900/0x900
[  225.210569]  ? trace_hardirqs_off+0xb8/0x310
[  225.214980]  ? trace_hardirqs_off+0xb8/0x310
[  225.219395]  __alloc_pages_slowpath+0x26e8/0x2e10
[  225.224257]  ? warn_alloc+0x120/0x120
[  225.228053]  ? print_usage_bug+0xc0/0xc0
[  225.232109]  ? warn_alloc+0x120/0x120
[  225.235906]  ? warn_alloc+0x120/0x120
[  225.239706]  ? print_usage_bug+0xc0/0xc0
[  225.243768]  ? print_usage_bug+0xc0/0xc0
[  225.247825]  ? __lock_acquire+0x62f/0x4c20
[  225.252063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.257593]  ? should_fail+0x22d/0xd01
[  225.261486]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.266610]  ? __lock_acquire+0x62f/0x4c20
[  225.270856]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.275950]  ? __lock_acquire+0x62f/0x4c20
[  225.280179]  ? should_fail+0x22d/0xd01
[  225.284150]  ? find_held_lock+0x36/0x1c0
[  225.288220]  ? mark_held_locks+0x130/0x130
[  225.292457]  ? mark_held_locks+0x130/0x130
[  225.296682]  ? zap_class+0x640/0x640
[  225.300395]  ? mark_held_locks+0xc7/0x130
[  225.304535]  ? do_raw_spin_unlock+0xa7/0x330
[  225.308950]  ? zap_class+0x640/0x640
[  225.312664]  ? print_usage_bug+0xc0/0xc0
[  225.316724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.322255]  ? check_preemption_disabled+0x48/0x280
[  225.327272]  ? __lock_is_held+0xb5/0x140
[  225.331333]  __alloc_pages_nodemask+0xa80/0xde0
[  225.335993]  ? zap_class+0x640/0x640
[  225.339706]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  225.344727]  ? find_held_lock+0x36/0x1c0
[  225.348797]  ? ____cache_alloc_node+0x1c7/0x1e0
[  225.353463]  ? lock_downgrade+0x900/0x900
[  225.357620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.363163]  cache_grow_begin+0xa5/0x8c0
[  225.367225]  ? do_raw_spin_unlock+0xa7/0x330
[  225.371638]  fallback_alloc+0x204/0x2e0
[  225.375627]  ____cache_alloc_node+0x1c7/0x1e0
[  225.380138]  kmem_cache_alloc_node+0xe3/0x730
[  225.384636]  ? ipv6_get_ifaddr+0x42e/0x620
[  225.388884]  __alloc_skb+0x119/0x770
[  225.392597]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  225.397877]  ? netdev_alloc_frag+0x1f0/0x1f0
[  225.402278]  ? lock_downgrade+0x900/0x900
[  225.406426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.411958]  ? refcount_sub_and_test_checked+0x203/0x310
[  225.417409]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  225.422860]  ? addrconf_rs_timer+0x690/0x690
[  225.427273]  ndisc_alloc_skb+0x144/0x340
[  225.431336]  ndisc_send_rs+0x331/0x6e0
[  225.435222]  addrconf_rs_timer+0x314/0x690
[  225.439459]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.443699]  call_timer_fn+0x272/0x920
[  225.447580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.451818]  ? process_timeout+0x40/0x40
[  225.455879]  ? __run_timers+0x7da/0xc70
[  225.459849]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.464339]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.468829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.473057]  ? lockdep_hardirqs_on+0x296/0x5b0
[  225.477638]  ? trace_hardirqs_on+0xbd/0x310
[  225.481951]  ? kasan_check_read+0x11/0x20
[  225.486090]  ? __run_timers+0x7da/0xc70
[  225.490060]  ? trace_hardirqs_off_caller+0x310/0x310
[  225.495161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.499397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.503625]  __run_timers+0x7e5/0xc70
[  225.507440]  ? timer_fixup_init+0x70/0x70
[  225.511579]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.516074]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.520567]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  225.525149]  ? trace_hardirqs_on+0xbd/0x310
[  225.529463]  ? kasan_check_read+0x11/0x20
[  225.533613]  ? finish_task_switch+0x1f4/0x910
[  225.538106]  ? trace_hardirqs_off_caller+0x310/0x310
[  225.543202]  ? compat_start_thread+0x80/0x80
[  225.547636]  ? pvclock_read_flags+0x160/0x160
[  225.552126]  ? __switch_to_asm+0x34/0x70
[  225.556184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.561713]  ? check_preemption_disabled+0x48/0x280
[  225.566731]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  225.572266]  ? rcu_pm_notify+0xc0/0xc0
[  225.576152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.581685]  ? check_preemption_disabled+0x48/0x280
[  225.586699]  run_timer_softirq+0x52/0xb0
[  225.590755]  ? rcu_read_lock_sched_held+0x14f/0x180
[  225.595765]  __do_softirq+0x308/0xb7e
[  225.599572]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  225.604674]  ? smpboot_thread_fn+0x334/0xa00
[  225.609080]  ? schedule+0x108/0x460
[  225.612704]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  225.617465]  ? trace_hardirqs_off+0xb8/0x310
[  225.621877]  ? smpboot_thread_fn+0x68b/0xa00
[  225.626282]  ? trace_hardirqs_on+0x310/0x310
[  225.630688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.636222]  ? check_preemption_disabled+0x48/0x280
[  225.641719]  ? takeover_tasklets+0xa90/0xa90
[  225.646124]  run_ksoftirqd+0x5e/0x100
[  225.649926]  smpboot_thread_fn+0x68b/0xa00
[  225.654159]  ? sort_range+0x30/0x30
[  225.657784]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  225.662885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.668419]  ? __kthread_parkme+0xfb/0x1a0
[  225.672659]  ? sort_range+0x30/0x30
[  225.676282]  kthread+0x35a/0x440
[  225.679650]  ? kthread_stop+0x900/0x900
[  225.683626]  ret_from_fork+0x3a/0x50
[  225.687352] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  225.687357] warn_alloc_show_mem: 1 callbacks suppressed
[  225.687363] Mem-Info:
[  225.694276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  225.699643] active_anon:52607 inactive_anon:182 isolated_anon:0
[  225.699643]  active_file:12 inactive_file:11 isolated_file:0
[  225.699643]  unevictable:0 dirty:0 writeback:0 unstable:0
[  225.699643]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  225.699643]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  225.699643]  free:13782 free_pcp:358 free_cma:0
[  225.702009] Call Trace:
[  225.711388] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  225.744224]  <IRQ>
[  225.746788] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  225.774365]  dump_stack+0x244/0x39d
[  225.776486] lowmem_reserve[]: 0 2818 6321 6321
[  225.802590]  ? dump_stack_print_info.cold.1+0x20/0x20
[  225.806555] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  225.811151]  warn_alloc.cold.116+0xb7/0x1bd
[  225.816316] lowmem_reserve[]: 0 0 3503 3503
[  225.843976]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  225.848271] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  225.852591]  ? lock_downgrade+0x900/0x900
[  225.857399] lowmem_reserve[]: 0 0 0 0
[  225.886371]  ? trace_hardirqs_off+0xb8/0x310
[  225.890487] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  225.894280]  ? trace_hardirqs_off+0xb8/0x310
[  225.898651] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  225.912174]  __alloc_pages_slowpath+0x26e8/0x2e10
[  225.916556] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  225.931748]  ? warn_alloc+0x120/0x120
[  225.936549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  225.951447]  ? warn_alloc+0x120/0x120
[  225.955220] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  225.964038]  ? warn_alloc+0x120/0x120
[  225.967807] 266 total pagecache pages
[  225.976368]  ? print_usage_bug+0xc0/0xc0
[  225.980147] 0 pages in swap cache
[  225.983940]  ? print_usage_bug+0xc0/0xc0
[  225.987986] Swap cache stats: add 0, delete 0, find 0/0
[  225.991427]  ? ktime_get+0x2c1/0x400
[  225.995456] Free swap  = 0kB
[  226.000818]  ? check_preemption_disabled+0x48/0x280
[  226.004500] Total swap = 0kB
[  226.007507]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  226.012493] 1965979 pages RAM
[  226.015500]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.019965] 0 pages HighMem/MovableOnly
[  226.023059]  ? should_fail+0x22d/0xd01
[  226.028570] 342854 pages reserved
[  226.032531]  ? kasan_check_read+0x11/0x20
[  226.036389] 0 pages cma reserved
[  226.039830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.044004] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  226.047296]  ? __lock_acquire+0x62f/0x4c20
[  226.052440] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  226.058851]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.063055] ksoftirqd/0 cpuset=/ mems_allowed=0
[  226.073364]  ? should_fail+0x22d/0xd01
[  226.086977]  ? print_usage_bug+0xc0/0xc0
[  226.091040]  ? mark_held_locks+0x130/0x130
[  226.095272]  ? mark_held_locks+0x130/0x130
[  226.099501]  ? check_preemption_disabled+0x48/0x280
[  226.104523]  ? zap_class+0x640/0x640
[  226.108244]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  226.112999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.118531]  ? check_preemption_disabled+0x48/0x280
[  226.123564]  ? __lock_is_held+0xb5/0x140
[  226.127626]  __alloc_pages_nodemask+0xa80/0xde0
[  226.132287]  ? zap_class+0x640/0x640
[  226.136003]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  226.141021]  ? find_held_lock+0x36/0x1c0
[  226.145102]  ? ____cache_alloc_node+0x1c7/0x1e0
[  226.149767]  ? lock_downgrade+0x900/0x900
[  226.153914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.159448]  cache_grow_begin+0xa5/0x8c0
[  226.163506]  ? do_raw_spin_unlock+0xa7/0x330
[  226.167920]  fallback_alloc+0x204/0x2e0
[  226.171894]  ____cache_alloc_node+0x1c7/0x1e0
[  226.176393]  kmem_cache_alloc_node+0xe3/0x730
[  226.180882]  ? __kmalloc_node_track_caller+0x50/0x70
[  226.185984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.191522]  __alloc_skb+0x119/0x770
[  226.195234]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  226.200599]  ? netdev_alloc_frag+0x1f0/0x1f0
[  226.205010]  ? vprintk_default+0x28/0x30
[  226.209077]  ? vprintk_func+0x85/0x181
[  226.212960]  ? printk+0xa7/0xcf
[  226.216331]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  226.221089]  ? trace_hardirqs_off+0xb8/0x310
[  226.225501]  new_skb+0x26/0x1c0
[  226.228775]  aoecmd_cfg+0x279/0x7f0
[  226.232403]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  226.236723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.242265]  ? __lock_is_held+0xb5/0x140
[  226.246333]  discover_timer+0x50/0x60
[  226.250126]  call_timer_fn+0x272/0x920
[  226.254009]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  226.258847]  ? process_timeout+0x40/0x40
[  226.262915]  ? mark_held_locks+0xc7/0x130
[  226.267060]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.271557]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.276046]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  226.280897]  ? lockdep_hardirqs_on+0x296/0x5b0
[  226.285476]  ? trace_hardirqs_on+0xbd/0x310
[  226.289791]  ? kasan_check_read+0x11/0x20
[  226.293929]  ? __run_timers+0x7da/0xc70
[  226.297900]  ? trace_hardirqs_off_caller+0x310/0x310
[  226.303009]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  226.307845]  __run_timers+0x7e5/0xc70
[  226.311652]  ? timer_fixup_init+0x70/0x70
[  226.315797]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  226.320806]  ? zap_class+0x640/0x640
[  226.324519]  ? print_usage_bug+0xc0/0xc0
[  226.328586]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  226.333779]  ? find_held_lock+0x36/0x1c0
[  226.337843]  ? zap_class+0x640/0x640
[  226.341567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.347100]  ? check_preemption_disabled+0x48/0x280
[  226.352119]  ? __lock_is_held+0xb5/0x140
[  226.356180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.361716]  ? check_preemption_disabled+0x48/0x280
[  226.366741]  run_timer_softirq+0x52/0xb0
[  226.370798]  ? rcu_read_lock_sched_held+0x14f/0x180
[  226.375812]  __do_softirq+0x308/0xb7e
[  226.379614]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  226.384105]  ? lock_downgrade+0x900/0x900
[  226.388252]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  226.393357]  ? pvclock_read_flags+0x160/0x160
[  226.397852]  ? lapic_next_event+0x5a/0x90
[  226.402007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.407552]  ? kvm_clock_read+0x18/0x30
[  226.411526]  ? kvm_sched_clock_read+0x9/0x20
[  226.415930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.421460]  ? check_preemption_disabled+0x48/0x280
[  226.426480]  irq_exit+0x17f/0x1c0
[  226.429927]  smp_apic_timer_interrupt+0x1cb/0x760
[  226.434764]  ? smp_reschedule_interrupt+0x109/0x650
[  226.439777]  ? smp_call_function_single_interrupt+0x650/0x650
[  226.445653]  ? interrupt_entry+0xb5/0xc0
[  226.449708]  ? trace_hardirqs_off_caller+0xbb/0x310
[  226.454722]  ? trace_hardirqs_off_caller+0xbb/0x310
[  226.459739]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.464581]  ? trace_hardirqs_on_caller+0x310/0x310
[  226.469590]  ? trace_hardirqs_on_caller+0x310/0x310
[  226.474599]  ? task_prio+0x50/0x50
[  226.478143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.483682]  ? check_preemption_disabled+0x48/0x280
[  226.488697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.493549]  apic_timer_interrupt+0xf/0x20
[  226.497774]  </IRQ>
[  226.500011] RIP: 0010:lock_is_held_type+0x18b/0x210
[  226.505024] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  226.523924] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  226.531628] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  226.538890] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  226.546151] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  226.553413] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  226.560673] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  226.567965]  rcu_read_lock_held+0xa9/0xc0
[  226.572109]  css_next_child+0x2a2/0x620
[  226.576086]  ? cgroup_mount+0xd30/0xd30
[  226.580062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.585595]  ? check_preemption_disabled+0x48/0x280
[  226.590615]  ? __lock_is_held+0xb5/0x140
[  226.594683]  css_next_descendant_pre+0xeb/0x190
[  226.599350]  mem_cgroup_iter+0x42f/0x1160
[  226.603493]  ? kasan_check_write+0x14/0x20
[  226.607734]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  226.612487]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  226.617516]  ? shrink_slab+0xfa/0x8c0
[  226.621319]  ? shrink_active_list+0x1f00/0x1f00
[  226.625991]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  226.631615]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  226.636717]  ? cgroup_procs_write_finish+0xf0/0xf0
[  226.641646]  ? find_held_lock+0x36/0x1c0
[  226.645711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.651240]  ? vmpressure+0x1a2/0x340
[  226.655043]  shrink_node+0x516/0x16b0
[  226.658837]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  226.664131]  ? shrink_node_memcg+0x18f0/0x18f0
[  226.668714]  ? kvm_clock_read+0x18/0x30
[  226.672685]  ? ktime_get+0x2c1/0x400
[  226.676396]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  226.680893]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  226.686426]  ? __cpuset_node_allowed+0x19b/0x660
[  226.691190]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  226.696899]  ? delayacct_end+0x5a/0x100
[  226.700877]  do_try_to_free_pages+0x3e7/0x1290
[  226.705455]  ? zap_class+0x640/0x640
[  226.709179]  ? shrink_node+0x16b0/0x16b0
[  226.713235]  ? __lock_is_held+0xb5/0x140
[  226.717303]  try_to_free_pages+0x4d0/0xb90
[  226.721539]  ? do_try_to_free_pages+0x1290/0x1290
[  226.726388]  ? lock_acquire+0x1ed/0x520
[  226.730358]  ? set_page_refcounted+0x280/0x280
[  226.734942]  ? lock_release+0xa00/0xa00
[  226.738915]  ? _raw_spin_unlock_irq+0x60/0x80
[  226.743411]  ? psi_memstall_enter+0x240/0x2b0
[  226.747914]  ? psi_memstall_tick+0x230/0x230
[  226.752328]  __alloc_pages_slowpath+0xa14/0x2e10
[  226.757102]  ? warn_alloc+0x120/0x120
[  226.760897]  ? mark_held_locks+0x130/0x130
[  226.765131]  ? find_get_entry+0xaae/0x1120
[  226.769373]  ? filemap_map_pages+0x1a20/0x1a20
[  226.773964]  ? zap_class+0x640/0x640
[  226.777681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.783214]  ? check_preemption_disabled+0x48/0x280
[  226.788229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.793764]  ? should_fail+0x22d/0xd01
[  226.797736]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.802849]  ? zap_class+0x640/0x640
[  226.806582]  ? __lock_is_held+0xb5/0x140
[  226.810657]  ? mark_held_locks+0x130/0x130
[  226.814893]  ? lock_release+0xa00/0xa00
[  226.818866]  ? perf_trace_sched_process_exec+0x860/0x860
[  226.824309]  ? xa_load+0x2ba/0x460
[  226.827845]  ? lock_downgrade+0x900/0x900
[  226.831991]  ? __might_sleep+0x95/0x190
[  226.835969]  __alloc_pages_nodemask+0xa80/0xde0
[  226.840643]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  226.845662]  ? __page_cache_alloc+0x191/0x5c0
[  226.850149]  ? xa_load+0x2e1/0x460
[  226.853684]  ? xa_clear_mark+0x40/0x40
[  226.857566]  ? zap_class+0x640/0x640
[  226.861282]  ? zap_class+0x640/0x640
[  226.864994]  ? zap_class+0x640/0x640
[  226.868705]  ? __do_page_cache_readahead+0x663/0x810
[  226.873810]  ? find_held_lock+0x36/0x1c0
[  226.877871]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  226.883412]  alloc_pages_current+0x173/0x350
[  226.887827]  __page_cache_alloc+0x38c/0x5c0
[  226.892144]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  226.897066]  ? kasan_check_read+0x11/0x20
[  226.901211]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  226.906490]  ? generic_perform_write+0x6a0/0x6a0
[  226.911241]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.916772]  ? check_preemption_disabled+0x48/0x280
[  226.921792]  filemap_fault+0x1595/0x25f0
[  226.925858]  ? __lock_page_or_retry+0xa00/0xa00
[  226.930522]  ? mark_held_locks+0x130/0x130
[  226.934761]  ? filemap_map_pages+0xd6b/0x1a20
[  226.939255]  ? lock_downgrade+0x900/0x900
[  226.943396]  ? check_preemption_disabled+0x48/0x280
[  226.948409]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  226.953337]  ? kasan_check_read+0x11/0x20
[  226.957490]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  226.962762]  ? rcu_softirq_qs+0x20/0x20
[  226.966750]  ? filemap_map_pages+0xd92/0x1a20
[  226.971248]  ? print_usage_bug+0xc0/0xc0
[  226.975310]  ? find_get_entries_tag+0x1400/0x1400
[  226.980153]  ? __kasan_slab_free+0x102/0x150
[  226.984554]  ? kasan_slab_free+0xe/0x10
[  226.988527]  ? kmem_cache_free+0x83/0x290
[  226.992668]  ? __sigqueue_free.part.29+0x74/0x90
[  226.997433]  ? lock_acquire+0x1ed/0x520
[  227.001403]  ? ext4_filemap_fault+0x7a/0xad
[  227.005726]  ? lock_release+0xa00/0xa00
[  227.009699]  ? perf_trace_sched_process_exec+0x860/0x860
[  227.015143]  ? print_usage_bug+0xc0/0xc0
[  227.019198]  ? print_usage_bug+0xc0/0xc0
[  227.023271]  ? down_read+0x8d/0x120
[  227.026894]  ? ext4_filemap_fault+0x7a/0xad
[  227.031210]  ? __down_interruptible+0x700/0x700
[  227.035881]  ext4_filemap_fault+0x82/0xad
[  227.040031]  __do_fault+0x100/0x6b0
[  227.043661]  ? pmd_devmap_trans_unstable+0x220/0x220
[  227.048760]  ? mark_held_locks+0x130/0x130
[  227.052994]  ? mark_held_locks+0x130/0x130
[  227.057229]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  227.062762]  ? rcu_pm_notify+0xc0/0xc0
[  227.066650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.072184]  __handle_mm_fault+0x3ea0/0x5be0
[  227.076599]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  227.081438]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.085937]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  227.090515]  ? trace_hardirqs_on+0xbd/0x310
[  227.094828]  ? kasan_check_read+0x11/0x20
[  227.098968]  ? __set_current_blocked+0xdf/0x120
[  227.103633]  ? trace_hardirqs_off_caller+0x310/0x310
[  227.108739]  ? zap_class+0x640/0x640
[  227.112446]  ? zap_class+0x640/0x640
[  227.116164]  ? find_held_lock+0x36/0x1c0
[  227.120232]  ? handle_mm_fault+0x42a/0xc70
[  227.124473]  ? lock_downgrade+0x900/0x900
[  227.128626]  ? check_preemption_disabled+0x48/0x280
[  227.133644]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  227.138568]  ? kasan_check_read+0x11/0x20
[  227.142708]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  227.147979]  ? rcu_softirq_qs+0x20/0x20
[  227.151949]  ? trace_hardirqs_off_caller+0x310/0x310
[  227.157052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.162586]  ? check_preemption_disabled+0x48/0x280
[  227.167602]  handle_mm_fault+0x54f/0xc70
[  227.171658]  ? __handle_mm_fault+0x5be0/0x5be0
[  227.176237]  ? find_vma+0x34/0x190
[  227.179777]  __do_page_fault+0x5e8/0xe60
[  227.183837]  ? exit_to_usermode_loop+0x1f4/0x380
[  227.188598]  do_page_fault+0xf2/0x7e0
[  227.192397]  ? vmalloc_sync_all+0x30/0x30
[  227.196538]  ? error_entry+0x70/0xd0
[  227.200250]  ? trace_hardirqs_off_caller+0xbb/0x310
[  227.205260]  ? trace_hardirqs_on_caller+0xc0/0x310
[  227.210183]  ? syscall_return_slowpath+0x5e0/0x5e0
[  227.215108]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.219950]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.224962]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  227.230416]  ? prepare_exit_to_usermode+0x291/0x3b0
[  227.235430]  ? page_fault+0x8/0x30
[  227.238979]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.243827]  ? page_fault+0x8/0x30
[  227.247365]  page_fault+0x1e/0x30
[  227.250812] RIP: 0033:0x45db60
[  227.254014] Code: Bad RIP value.
[  227.257368] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  227.262724] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  227.269994] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  227.277256] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  227.284517] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  227.291779] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  227.299068] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  227.299126] aoe: skb alloc failure
[  227.305814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  227.305819] Call Trace:
[  227.305837]  dump_stack+0x244/0x39d
[  227.305858]  ? dump_stack_print_info.cold.1+0x20/0x20
[  227.309396] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  227.318726]  warn_alloc.cold.116+0xb7/0x1bd
[  227.321276] syz-fuzzer cpuset=/ mems_allowed=0
[  227.324890]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  227.353976]  ? lock_downgrade+0x900/0x900
[  227.358128]  ? trace_hardirqs_off+0xb8/0x310
[  227.362536]  ? trace_hardirqs_off+0xb8/0x310
[  227.366946]  __alloc_pages_slowpath+0x26e8/0x2e10
[  227.371806]  ? warn_alloc+0x120/0x120
[  227.375603]  ? print_usage_bug+0xc0/0xc0
[  227.379663]  ? warn_alloc+0x120/0x120
[  227.383466]  ? warn_alloc+0x120/0x120
[  227.387265]  ? print_usage_bug+0xc0/0xc0
[  227.391324]  ? print_usage_bug+0xc0/0xc0
[  227.395383]  ? __lock_acquire+0x62f/0x4c20
[  227.399617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.405145]  ? should_fail+0x22d/0xd01
[  227.409031]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.414129]  ? __lock_acquire+0x62f/0x4c20
[  227.418362]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.423462]  ? __lock_acquire+0x62f/0x4c20
[  227.427699]  ? should_fail+0x22d/0xd01
[  227.431602]  ? find_held_lock+0x36/0x1c0
[  227.435667]  ? mark_held_locks+0x130/0x130
[  227.439899]  ? mark_held_locks+0x130/0x130
[  227.444129]  ? zap_class+0x640/0x640
[  227.447844]  ? mark_held_locks+0xc7/0x130
[  227.451990]  ? do_raw_spin_unlock+0xa7/0x330
[  227.456392]  ? zap_class+0x640/0x640
[  227.460105]  ? print_usage_bug+0xc0/0xc0
[  227.464167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.469702]  ? check_preemption_disabled+0x48/0x280
[  227.474721]  ? __lock_is_held+0xb5/0x140
[  227.478782]  __alloc_pages_nodemask+0xa80/0xde0
[  227.483455]  ? zap_class+0x640/0x640
[  227.487173]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  227.492198]  ? find_held_lock+0x36/0x1c0
[  227.496263]  ? ____cache_alloc_node+0x1c7/0x1e0
[  227.500926]  ? lock_downgrade+0x900/0x900
[  227.505073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.510612]  cache_grow_begin+0xa5/0x8c0
[  227.514667]  ? do_raw_spin_unlock+0xa7/0x330
[  227.519075]  fallback_alloc+0x204/0x2e0
[  227.523053]  ____cache_alloc_node+0x1c7/0x1e0
[  227.527550]  kmem_cache_alloc_node+0xe3/0x730
[  227.532040]  ? ipv6_get_ifaddr+0x42e/0x620
[  227.536279]  __alloc_skb+0x119/0x770
[  227.539988]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  227.545262]  ? netdev_alloc_frag+0x1f0/0x1f0
[  227.549665]  ? lock_downgrade+0x900/0x900
[  227.553818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.559348]  ? refcount_sub_and_test_checked+0x203/0x310
[  227.564796]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  227.570241]  ? addrconf_rs_timer+0x690/0x690
[  227.574653]  ndisc_alloc_skb+0x144/0x340
[  227.578718]  ndisc_send_rs+0x331/0x6e0
[  227.582606]  addrconf_rs_timer+0x314/0x690
[  227.586838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.591080]  call_timer_fn+0x272/0x920
[  227.594965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.599199]  ? process_timeout+0x40/0x40
[  227.603260]  ? __run_timers+0x7da/0xc70
[  227.607228]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.611723]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.616297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.620525]  ? lockdep_hardirqs_on+0x296/0x5b0
[  227.625101]  ? trace_hardirqs_on+0xbd/0x310
[  227.629414]  ? kasan_check_read+0x11/0x20
[  227.633568]  ? __run_timers+0x7da/0xc70
[  227.637538]  ? trace_hardirqs_off_caller+0x310/0x310
[  227.643112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.647351]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.651587]  __run_timers+0x7e5/0xc70
[  227.655390]  ? timer_fixup_init+0x70/0x70
[  227.659538]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.664024]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.668517]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  227.673093]  ? trace_hardirqs_on+0xbd/0x310
[  227.677408]  ? kasan_check_read+0x11/0x20
[  227.681566]  ? finish_task_switch+0x1f4/0x910
[  227.686056]  ? trace_hardirqs_off_caller+0x310/0x310
[  227.691152]  ? compat_start_thread+0x80/0x80
[  227.695581]  ? pvclock_read_flags+0x160/0x160
[  227.700067]  ? __switch_to_asm+0x34/0x70
[  227.704124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.709656]  ? check_preemption_disabled+0x48/0x280
[  227.714673]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  227.720207]  ? rcu_pm_notify+0xc0/0xc0
[  227.724093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.729624]  ? check_preemption_disabled+0x48/0x280
[  227.734639]  run_timer_softirq+0x52/0xb0
[  227.738693]  ? rcu_read_lock_sched_held+0x14f/0x180
[  227.743702]  __do_softirq+0x308/0xb7e
[  227.747509]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  227.752609]  ? smpboot_thread_fn+0x334/0xa00
[  227.757015]  ? schedule+0x108/0x460
[  227.760637]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  227.765394]  ? trace_hardirqs_off+0xb8/0x310
[  227.769803]  ? smpboot_thread_fn+0x68b/0xa00
[  227.774208]  ? trace_hardirqs_on+0x310/0x310
[  227.778616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.784146]  ? check_preemption_disabled+0x48/0x280
[  227.789157]  ? takeover_tasklets+0xa90/0xa90
[  227.793565]  run_ksoftirqd+0x5e/0x100
[  227.797360]  smpboot_thread_fn+0x68b/0xa00
[  227.801600]  ? sort_range+0x30/0x30
[  227.806452]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  227.811551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.817084]  ? __kthread_parkme+0xfb/0x1a0
[  227.821320]  ? sort_range+0x30/0x30
[  227.824940]  kthread+0x35a/0x440
[  227.828306]  ? kthread_stop+0x900/0x900
[  227.832277]  ret_from_fork+0x3a/0x50
[  227.836003] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  227.836008] warn_alloc_show_mem: 1 callbacks suppressed
[  227.836014] Mem-Info:
[  227.842924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  227.848287] active_anon:52607 inactive_anon:182 isolated_anon:0
[  227.848287]  active_file:12 inactive_file:11 isolated_file:0
[  227.848287]  unevictable:0 dirty:0 writeback:0 unstable:0
[  227.848287]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  227.848287]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  227.848287]  free:13782 free_pcp:358 free_cma:0
[  227.850652] Call Trace:
[  227.860026] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  227.892863]  <IRQ>
[  227.895425] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  227.922924]  dump_stack+0x244/0x39d
[  227.925045] lowmem_reserve[]: 0 2818 6321 6321
[  227.951144]  ? dump_stack_print_info.cold.1+0x20/0x20
[  227.954741] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  227.959323]  warn_alloc.cold.116+0xb7/0x1bd
[  227.964478] lowmem_reserve[]: 0 0 3503 3503
[  227.992135]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  227.996431] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  228.000744]  ? lock_downgrade+0x900/0x900
[  228.005553] lowmem_reserve[]: 0 0 0 0
[  228.034526]  ? trace_hardirqs_off+0xb8/0x310
[  228.038642] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  228.042436]  ? trace_hardirqs_off+0xb8/0x310
[  228.046813] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  228.060330]  __alloc_pages_slowpath+0x26e8/0x2e10
[  228.064705] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  228.079889]  ? warn_alloc+0x120/0x120
[  228.084690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  228.099936]  ? warn_alloc+0x120/0x120
[  228.103713] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  228.112535]  ? __lock_acquire+0x62f/0x4c20
[  228.116307] 266 total pagecache pages
[  228.124867]  ? warn_alloc+0x120/0x120
[  228.129082] 0 pages in swap cache
[  228.132864]  ? print_usage_bug+0xc0/0xc0
[  228.136641] Swap cache stats: add 0, delete 0, find 0/0
[  228.140078]  ? print_usage_bug+0xc0/0xc0
[  228.144112] Free swap  = 0kB
[  228.149464]  ? mark_held_locks+0x130/0x130
[  228.153488] Total swap = 0kB
[  228.153495] 1965979 pages RAM
[  228.156511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.161063] 0 pages HighMem/MovableOnly
[  228.164072]  ? should_fail+0x22d/0xd01
[  228.167143] 342854 pages reserved
[  228.167150] 0 pages cma reserved
[  228.172671]  ? zap_class+0x640/0x640
[  228.176678] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  228.180489]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.183988] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  228.187269]  ? __lock_acquire+0x62f/0x4c20
[  228.190956] ksoftirqd/0 cpuset=/ mems_allowed=0
[  228.197439]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.226755]  ? should_fail+0x22d/0xd01
[  228.230647]  ? mark_held_locks+0x130/0x130
[  228.234882]  ? mark_held_locks+0x130/0x130
[  228.239111]  ? lock_downgrade+0x900/0x900
[  228.243252]  ? zap_class+0x640/0x640
[  228.246964]  ? zap_class+0x640/0x640
[  228.250675]  ? zap_class+0x640/0x640
[  228.254386]  ? do_raw_spin_unlock+0xa7/0x330
[  228.258792]  ? trace_hardirqs_on+0x310/0x310
[  228.263198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.268728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.274261]  ? check_preemption_disabled+0x48/0x280
[  228.279281]  ? __lock_is_held+0xb5/0x140
[  228.283341]  __alloc_pages_nodemask+0xa80/0xde0
[  228.288021]  ? zap_class+0x640/0x640
[  228.291735]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  228.296756]  ? find_held_lock+0x36/0x1c0
[  228.300821]  ? ____cache_alloc_node+0x1c7/0x1e0
[  228.305488]  ? lock_downgrade+0x900/0x900
[  228.309641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.315178]  cache_grow_begin+0xa5/0x8c0
[  228.319233]  ? do_raw_spin_unlock+0xa7/0x330
[  228.323642]  fallback_alloc+0x204/0x2e0
[  228.327617]  ____cache_alloc_node+0x1c7/0x1e0
[  228.332115]  kmem_cache_alloc_node+0xe3/0x730
[  228.336604]  ? __kmalloc_node_track_caller+0x50/0x70
[  228.341702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.347250]  __alloc_skb+0x119/0x770
[  228.350967]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  228.356328]  ? netdev_alloc_frag+0x1f0/0x1f0
[  228.360745]  ? vprintk_default+0x28/0x30
[  228.364802]  ? vprintk_func+0x85/0x181
[  228.368685]  ? printk+0xa7/0xcf
[  228.371958]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  228.376711]  ? trace_hardirqs_off+0xb8/0x310
[  228.381119]  new_skb+0x26/0x1c0
[  228.384392]  aoecmd_cfg+0x279/0x7f0
[  228.388019]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  228.392338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.397889]  ? __lock_is_held+0xb5/0x140
[  228.401958]  discover_timer+0x50/0x60
[  228.405754]  call_timer_fn+0x272/0x920
[  228.409640]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  228.414478]  ? process_timeout+0x40/0x40
[  228.418542]  ? mark_held_locks+0xc7/0x130
[  228.422685]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.427177]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.431752]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  228.436590]  ? lockdep_hardirqs_on+0x296/0x5b0
[  228.441173]  ? trace_hardirqs_on+0xbd/0x310
[  228.445490]  ? kasan_check_read+0x11/0x20
[  228.449631]  ? __run_timers+0x7da/0xc70
[  228.453600]  ? trace_hardirqs_off_caller+0x310/0x310
[  228.458709]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  228.463544]  __run_timers+0x7e5/0xc70
[  228.467354]  ? timer_fixup_init+0x70/0x70
[  228.471497]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  228.476508]  ? zap_class+0x640/0x640
[  228.480227]  ? print_usage_bug+0xc0/0xc0
[  228.484288]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  228.489478]  ? find_held_lock+0x36/0x1c0
[  228.493543]  ? zap_class+0x640/0x640
[  228.497256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.502793]  ? check_preemption_disabled+0x48/0x280
[  228.507812]  ? __lock_is_held+0xb5/0x140
[  228.511868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.517404]  ? check_preemption_disabled+0x48/0x280
[  228.522418]  run_timer_softirq+0x52/0xb0
[  228.526474]  ? rcu_read_lock_sched_held+0x14f/0x180
[  228.531497]  __do_softirq+0x308/0xb7e
[  228.535298]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  228.539786]  ? lock_downgrade+0x900/0x900
[  228.543934]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  228.549042]  ? pvclock_read_flags+0x160/0x160
[  228.553533]  ? lapic_next_event+0x5a/0x90
[  228.557682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.563216]  ? kvm_clock_read+0x18/0x30
[  228.567187]  ? kvm_sched_clock_read+0x9/0x20
[  228.571594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.577125]  ? check_preemption_disabled+0x48/0x280
[  228.582145]  irq_exit+0x17f/0x1c0
[  228.585594]  smp_apic_timer_interrupt+0x1cb/0x760
[  228.590430]  ? smp_reschedule_interrupt+0x109/0x650
[  228.595442]  ? smp_call_function_single_interrupt+0x650/0x650
[  228.601322]  ? interrupt_entry+0xb5/0xc0
[  228.605387]  ? trace_hardirqs_off_caller+0xbb/0x310
[  228.610399]  ? trace_hardirqs_off_caller+0xbb/0x310
[  228.615413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.620249]  ? trace_hardirqs_on_caller+0x310/0x310
[  228.625262]  ? trace_hardirqs_on_caller+0x310/0x310
[  228.630273]  ? task_prio+0x50/0x50
[  228.633811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.639353]  ? check_preemption_disabled+0x48/0x280
[  228.644371]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.649709]  apic_timer_interrupt+0xf/0x20
[  228.653932]  </IRQ>
[  228.656164] RIP: 0010:lock_is_held_type+0x18b/0x210
[  228.661176] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  228.680068] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  228.687768] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  228.695029] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  228.702290] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  228.709554] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  228.716815] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  228.724191]  rcu_read_lock_held+0xa9/0xc0
[  228.728343]  css_next_child+0x2a2/0x620
[  228.732318]  ? cgroup_mount+0xd30/0xd30
[  228.736296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.741844]  ? check_preemption_disabled+0x48/0x280
[  228.746870]  ? __lock_is_held+0xb5/0x140
[  228.750939]  css_next_descendant_pre+0xeb/0x190
[  228.755607]  mem_cgroup_iter+0x42f/0x1160
[  228.759750]  ? kasan_check_write+0x14/0x20
[  228.763983]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  228.768738]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  228.773753]  ? shrink_slab+0xfa/0x8c0
[  228.777548]  ? shrink_active_list+0x1f00/0x1f00
[  228.782219]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  228.787837]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.792944]  ? cgroup_procs_write_finish+0xf0/0xf0
[  228.797877]  ? find_held_lock+0x36/0x1c0
[  228.801933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.807680]  ? vmpressure+0x1a2/0x340
[  228.811477]  shrink_node+0x516/0x16b0
[  228.815272]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  228.820568]  ? shrink_node_memcg+0x18f0/0x18f0
[  228.825146]  ? kvm_clock_read+0x18/0x30
[  228.829118]  ? ktime_get+0x2c1/0x400
[  228.832832]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  228.837336]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  228.842876]  ? __cpuset_node_allowed+0x19b/0x660
[  228.847631]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  228.853348]  ? delayacct_end+0x5a/0x100
[  228.857331]  do_try_to_free_pages+0x3e7/0x1290
[  228.861924]  ? zap_class+0x640/0x640
[  228.865649]  ? shrink_node+0x16b0/0x16b0
[  228.869710]  ? __lock_is_held+0xb5/0x140
[  228.873810]  try_to_free_pages+0x4d0/0xb90
[  228.878064]  ? do_try_to_free_pages+0x1290/0x1290
[  228.882912]  ? lock_acquire+0x1ed/0x520
[  228.886879]  ? set_page_refcounted+0x280/0x280
[  228.891465]  ? lock_release+0xa00/0xa00
[  228.895438]  ? _raw_spin_unlock_irq+0x60/0x80
[  228.899928]  ? psi_memstall_enter+0x240/0x2b0
[  228.904419]  ? psi_memstall_tick+0x230/0x230
[  228.908832]  __alloc_pages_slowpath+0xa14/0x2e10
[  228.913609]  ? warn_alloc+0x120/0x120
[  228.917407]  ? mark_held_locks+0x130/0x130
[  228.921640]  ? find_get_entry+0xaae/0x1120
[  228.925877]  ? filemap_map_pages+0x1a20/0x1a20
[  228.930462]  ? zap_class+0x640/0x640
[  228.934178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.939720]  ? check_preemption_disabled+0x48/0x280
[  228.944734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.950266]  ? should_fail+0x22d/0xd01
[  228.954153]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.959253]  ? zap_class+0x640/0x640
[  228.962994]  ? __lock_is_held+0xb5/0x140
[  228.967061]  ? mark_held_locks+0x130/0x130
[  228.971296]  ? lock_release+0xa00/0xa00
[  228.975276]  ? perf_trace_sched_process_exec+0x860/0x860
[  228.980727]  ? xa_load+0x2ba/0x460
[  228.984266]  ? lock_downgrade+0x900/0x900
[  228.988412]  ? __might_sleep+0x95/0x190
[  228.992393]  __alloc_pages_nodemask+0xa80/0xde0
[  228.997064]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  229.002080]  ? __page_cache_alloc+0x191/0x5c0
[  229.006572]  ? xa_load+0x2e1/0x460
[  229.010111]  ? xa_clear_mark+0x40/0x40
[  229.013996]  ? zap_class+0x640/0x640
[  229.017720]  ? zap_class+0x640/0x640
[  229.021429]  ? zap_class+0x640/0x640
[  229.025137]  ? __do_page_cache_readahead+0x663/0x810
[  229.030239]  ? find_held_lock+0x36/0x1c0
[  229.034309]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  229.039850]  alloc_pages_current+0x173/0x350
[  229.044258]  __page_cache_alloc+0x38c/0x5c0
[  229.048572]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  229.053499]  ? kasan_check_read+0x11/0x20
[  229.057657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  229.062928]  ? generic_perform_write+0x6a0/0x6a0
[  229.067680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.073213]  ? check_preemption_disabled+0x48/0x280
[  229.078228]  filemap_fault+0x1595/0x25f0
[  229.082308]  ? __lock_page_or_retry+0xa00/0xa00
[  229.086980]  ? mark_held_locks+0x130/0x130
[  229.091566]  ? filemap_map_pages+0xd6b/0x1a20
[  229.096056]  ? lock_downgrade+0x900/0x900
[  229.100197]  ? check_preemption_disabled+0x48/0x280
[  229.105214]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  229.110154]  ? kasan_check_read+0x11/0x20
[  229.114305]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  229.119580]  ? rcu_softirq_qs+0x20/0x20
[  229.123562]  ? filemap_map_pages+0xd92/0x1a20
[  229.128056]  ? print_usage_bug+0xc0/0xc0
[  229.132116]  ? find_get_entries_tag+0x1400/0x1400
[  229.136954]  ? __kasan_slab_free+0x102/0x150
[  229.141355]  ? kasan_slab_free+0xe/0x10
[  229.145321]  ? kmem_cache_free+0x83/0x290
[  229.149462]  ? __sigqueue_free.part.29+0x74/0x90
[  229.154230]  ? lock_acquire+0x1ed/0x520
[  229.158199]  ? ext4_filemap_fault+0x7a/0xad
[  229.162520]  ? lock_release+0xa00/0xa00
[  229.166491]  ? perf_trace_sched_process_exec+0x860/0x860
[  229.171938]  ? print_usage_bug+0xc0/0xc0
[  229.175994]  ? print_usage_bug+0xc0/0xc0
[  229.180058]  ? down_read+0x8d/0x120
[  229.183675]  ? ext4_filemap_fault+0x7a/0xad
[  229.187991]  ? __down_interruptible+0x700/0x700
[  229.192665]  ext4_filemap_fault+0x82/0xad
[  229.196806]  __do_fault+0x100/0x6b0
[  229.201564]  ? pmd_devmap_trans_unstable+0x220/0x220
[  229.206664]  ? mark_held_locks+0x130/0x130
[  229.210895]  ? mark_held_locks+0x130/0x130
[  229.215130]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  229.220666]  ? rcu_pm_notify+0xc0/0xc0
[  229.224555]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.230095]  __handle_mm_fault+0x3ea0/0x5be0
[  229.234505]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  229.239341]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.243840]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  229.248418]  ? trace_hardirqs_on+0xbd/0x310
[  229.252731]  ? kasan_check_read+0x11/0x20
[  229.256876]  ? __set_current_blocked+0xdf/0x120
[  229.261541]  ? trace_hardirqs_off_caller+0x310/0x310
[  229.266651]  ? zap_class+0x640/0x640
[  229.270361]  ? zap_class+0x640/0x640
[  229.274074]  ? find_held_lock+0x36/0x1c0
[  229.278137]  ? handle_mm_fault+0x42a/0xc70
[  229.282368]  ? lock_downgrade+0x900/0x900
[  229.286514]  ? check_preemption_disabled+0x48/0x280
[  229.291530]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  229.296456]  ? kasan_check_read+0x11/0x20
[  229.300596]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  229.305866]  ? rcu_softirq_qs+0x20/0x20
[  229.309839]  ? trace_hardirqs_off_caller+0x310/0x310
[  229.314940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.320475]  ? check_preemption_disabled+0x48/0x280
[  229.325494]  handle_mm_fault+0x54f/0xc70
[  229.329566]  ? __handle_mm_fault+0x5be0/0x5be0
[  229.334149]  ? find_vma+0x34/0x190
[  229.337689]  __do_page_fault+0x5e8/0xe60
[  229.341746]  ? exit_to_usermode_loop+0x1f4/0x380
[  229.346508]  do_page_fault+0xf2/0x7e0
[  229.350306]  ? vmalloc_sync_all+0x30/0x30
[  229.354449]  ? error_entry+0x70/0xd0
[  229.358157]  ? trace_hardirqs_off_caller+0xbb/0x310
[  229.363165]  ? trace_hardirqs_on_caller+0xc0/0x310
[  229.368087]  ? syscall_return_slowpath+0x5e0/0x5e0
[  229.373019]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.377858]  ? trace_hardirqs_on_caller+0x310/0x310
[  229.382866]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  229.388317]  ? prepare_exit_to_usermode+0x291/0x3b0
[  229.393330]  ? page_fault+0x8/0x30
[  229.396865]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.401707]  ? page_fault+0x8/0x30
[  229.405242]  page_fault+0x1e/0x30
[  229.408697] RIP: 0033:0x45db60
[  229.411898] Code: Bad RIP value.
[  229.415253] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  229.420615] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  229.427878] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  229.435140] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  229.442400] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  229.449662] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  229.456948] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  229.457005] aoe: skb alloc failure
[  229.463699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  229.463703] Call Trace:
[  229.463721]  dump_stack+0x244/0x39d
[  229.463743]  ? dump_stack_print_info.cold.1+0x20/0x20
[  229.467286] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  229.476615]  warn_alloc.cold.116+0xb7/0x1bd
[  229.479167] syz-fuzzer cpuset=/ mems_allowed=0
[  229.482780]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  229.511860]  ? lock_downgrade+0x900/0x900
[  229.516013]  ? trace_hardirqs_off+0xb8/0x310
[  229.520422]  ? trace_hardirqs_off+0xb8/0x310
[  229.524833]  __alloc_pages_slowpath+0x26e8/0x2e10
[  229.529693]  ? warn_alloc+0x120/0x120
[  229.533499]  ? print_usage_bug+0xc0/0xc0
[  229.537558]  ? warn_alloc+0x120/0x120
[  229.541364]  ? warn_alloc+0x120/0x120
[  229.545159]  ? print_usage_bug+0xc0/0xc0
[  229.549223]  ? print_usage_bug+0xc0/0xc0
[  229.553293]  ? __lock_acquire+0x62f/0x4c20
[  229.557528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.563058]  ? should_fail+0x22d/0xd01
[  229.566945]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.572043]  ? __lock_acquire+0x62f/0x4c20
[  229.576291]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.581386]  ? __lock_acquire+0x62f/0x4c20
[  229.585612]  ? should_fail+0x22d/0xd01
[  229.589495]  ? find_held_lock+0x36/0x1c0
[  229.593558]  ? mark_held_locks+0x130/0x130
[  229.597791]  ? mark_held_locks+0x130/0x130
[  229.602019]  ? zap_class+0x640/0x640
[  229.605748]  ? mark_held_locks+0xc7/0x130
[  229.609902]  ? do_raw_spin_unlock+0xa7/0x330
[  229.614307]  ? zap_class+0x640/0x640
[  229.618016]  ? print_usage_bug+0xc0/0xc0
[  229.622073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.627606]  ? check_preemption_disabled+0x48/0x280
[  229.632628]  ? __lock_is_held+0xb5/0x140
[  229.636689]  __alloc_pages_nodemask+0xa80/0xde0
[  229.641797]  ? zap_class+0x640/0x640
[  229.645513]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  229.650532]  ? find_held_lock+0x36/0x1c0
[  229.654599]  ? ____cache_alloc_node+0x1c7/0x1e0
[  229.659267]  ? lock_downgrade+0x900/0x900
[  229.663440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.668979]  cache_grow_begin+0xa5/0x8c0
[  229.673033]  ? do_raw_spin_unlock+0xa7/0x330
[  229.677442]  fallback_alloc+0x204/0x2e0
[  229.681415]  ____cache_alloc_node+0x1c7/0x1e0
[  229.685910]  kmem_cache_alloc_node+0xe3/0x730
[  229.690400]  ? ipv6_get_ifaddr+0x42e/0x620
[  229.694642]  __alloc_skb+0x119/0x770
[  229.698353]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  229.703631]  ? netdev_alloc_frag+0x1f0/0x1f0
[  229.708123]  ? lock_downgrade+0x900/0x900
[  229.712279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.717816]  ? refcount_sub_and_test_checked+0x203/0x310
[  229.723350]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  229.728794]  ? addrconf_rs_timer+0x690/0x690
[  229.733209]  ndisc_alloc_skb+0x144/0x340
[  229.737283]  ndisc_send_rs+0x331/0x6e0
[  229.741169]  addrconf_rs_timer+0x314/0x690
[  229.745402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.749639]  call_timer_fn+0x272/0x920
[  229.753523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.757754]  ? process_timeout+0x40/0x40
[  229.761816]  ? __run_timers+0x7da/0xc70
[  229.765790]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.770285]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.774772]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.779001]  ? lockdep_hardirqs_on+0x296/0x5b0
[  229.783578]  ? trace_hardirqs_on+0xbd/0x310
[  229.787898]  ? kasan_check_read+0x11/0x20
[  229.792037]  ? __run_timers+0x7da/0xc70
[  229.796010]  ? trace_hardirqs_off_caller+0x310/0x310
[  229.801109]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.805606]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.809832]  __run_timers+0x7e5/0xc70
[  229.813637]  ? timer_fixup_init+0x70/0x70
[  229.817779]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.822271]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.826760]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  229.831340]  ? trace_hardirqs_on+0xbd/0x310
[  229.835655]  ? kasan_check_read+0x11/0x20
[  229.839804]  ? finish_task_switch+0x1f4/0x910
[  229.844292]  ? trace_hardirqs_off_caller+0x310/0x310
[  229.849394]  ? compat_start_thread+0x80/0x80
[  229.853820]  ? pvclock_read_flags+0x160/0x160
[  229.858306]  ? __switch_to_asm+0x34/0x70
[  229.862361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.867895]  ? check_preemption_disabled+0x48/0x280
[  229.872915]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  229.878451]  ? rcu_pm_notify+0xc0/0xc0
[  229.882338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.887876]  ? check_preemption_disabled+0x48/0x280
[  229.892891]  run_timer_softirq+0x52/0xb0
[  229.896953]  ? rcu_read_lock_sched_held+0x14f/0x180
[  229.901963]  __do_softirq+0x308/0xb7e
[  229.905772]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  229.910871]  ? smpboot_thread_fn+0x334/0xa00
[  229.915278]  ? schedule+0x108/0x460
[  229.918899]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  229.923659]  ? trace_hardirqs_off+0xb8/0x310
[  229.928065]  ? smpboot_thread_fn+0x68b/0xa00
[  229.932468]  ? trace_hardirqs_on+0x310/0x310
[  229.936872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.942412]  ? check_preemption_disabled+0x48/0x280
[  229.947423]  ? takeover_tasklets+0xa90/0xa90
[  229.951829]  run_ksoftirqd+0x5e/0x100
[  229.955623]  smpboot_thread_fn+0x68b/0xa00
[  229.959860]  ? sort_range+0x30/0x30
[  229.963480]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  229.968581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.974113]  ? __kthread_parkme+0xfb/0x1a0
[  229.978344]  ? sort_range+0x30/0x30
[  229.981963]  kthread+0x35a/0x440
[  229.985329]  ? kthread_stop+0x900/0x900
[  229.989298]  ret_from_fork+0x3a/0x50
[  229.993018] warn_alloc_show_mem: 1 callbacks suppressed
[  229.993028] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  229.993029] Mem-Info:
[  229.993060] active_anon:52607 inactive_anon:182 isolated_anon:0
[  229.993060]  active_file:12 inactive_file:11 isolated_file:0
[  229.993060]  unevictable:0 dirty:0 writeback:0 unstable:0
[  229.993060]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  229.993060]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  229.993060]  free:13782 free_pcp:358 free_cma:0
[  229.998397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  230.005317] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  230.007707] Call Trace:
[  230.040569] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  230.049905]  <IRQ>
[  230.077377] lowmem_reserve[]: 0 2818 6321 6321
[  230.079957]  dump_stack+0x244/0x39d
[  230.106040] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  230.108183]  ? dump_stack_print_info.cold.1+0x20/0x20
[  230.112734] lowmem_reserve[]: 0 0 3503 3503
[  230.116361]  warn_alloc.cold.116+0xb7/0x1bd
[  230.143992] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  230.149175]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  230.153467] lowmem_reserve[]: 0 0 0 0
[  230.157778]  ? lock_downgrade+0x900/0x900
[  230.186717] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  230.191563]  ? trace_hardirqs_off+0xb8/0x310
[  230.195331] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  230.199476]  ? trace_hardirqs_off+0xb8/0x310
[  230.212967] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  230.217367]  __alloc_pages_slowpath+0x26e8/0x2e10
[  230.232510] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  230.236923]  ? warn_alloc+0x120/0x120
[  230.251790] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  230.256617]  ? warn_alloc+0x120/0x120
[  230.265419] 266 total pagecache pages
[  230.269212]  ? __lock_acquire+0x62f/0x4c20
[  230.277765] 0 pages in swap cache
[  230.281548]  ? warn_alloc+0x120/0x120
[  230.285317] Swap cache stats: add 0, delete 0, find 0/0
[  230.285324] Free swap  = 0kB
[  230.289547]  ? print_usage_bug+0xc0/0xc0
[  230.292970] Total swap = 0kB
[  230.296757]  ? print_usage_bug+0xc0/0xc0
[  230.302090] 1965979 pages RAM
[  230.305098]  ? mark_held_locks+0x130/0x130
[  230.309131] 0 pages HighMem/MovableOnly
[  230.312143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.316170] 342854 pages reserved
[  230.319271]  ? should_fail+0x22d/0xd01
[  230.323476] 0 pages cma reserved
[  230.327437]  ? zap_class+0x640/0x640
[  230.332999] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  230.336385]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.340290] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  230.343600]  ? __lock_acquire+0x62f/0x4c20
[  230.347286] ksoftirqd/0 cpuset=/ mems_allowed=0
[  230.353764]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.383074]  ? should_fail+0x22d/0xd01
[  230.386964]  ? mark_held_locks+0x130/0x130
[  230.391201]  ? mark_held_locks+0x130/0x130
[  230.395429]  ? lock_downgrade+0x900/0x900
[  230.399572]  ? zap_class+0x640/0x640
[  230.403286]  ? zap_class+0x640/0x640
[  230.406997]  ? zap_class+0x640/0x640
[  230.410707]  ? do_raw_spin_unlock+0xa7/0x330
[  230.415114]  ? trace_hardirqs_on+0x310/0x310
[  230.419516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.425048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.430578]  ? check_preemption_disabled+0x48/0x280
[  230.435601]  ? __lock_is_held+0xb5/0x140
[  230.439663]  __alloc_pages_nodemask+0xa80/0xde0
[  230.444325]  ? zap_class+0x640/0x640
[  230.448043]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  230.453062]  ? find_held_lock+0x36/0x1c0
[  230.457134]  ? ____cache_alloc_node+0x1c7/0x1e0
[  230.461813]  ? lock_downgrade+0x900/0x900
[  230.465962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.471499]  cache_grow_begin+0xa5/0x8c0
[  230.475552]  ? do_raw_spin_unlock+0xa7/0x330
[  230.479964]  fallback_alloc+0x204/0x2e0
[  230.483938]  ____cache_alloc_node+0x1c7/0x1e0
[  230.488435]  kmem_cache_alloc_node+0xe3/0x730
[  230.492927]  ? __kmalloc_node_track_caller+0x50/0x70
[  230.498028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.503564]  __alloc_skb+0x119/0x770
[  230.507270]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  230.512642]  ? netdev_alloc_frag+0x1f0/0x1f0
[  230.517055]  ? vprintk_default+0x28/0x30
[  230.521110]  ? vprintk_func+0x85/0x181
[  230.524996]  ? printk+0xa7/0xcf
[  230.528273]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  230.533025]  ? trace_hardirqs_off+0xb8/0x310
[  230.537431]  new_skb+0x26/0x1c0
[  230.540710]  aoecmd_cfg+0x279/0x7f0
[  230.544336]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  230.548657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.554207]  ? __lock_is_held+0xb5/0x140
[  230.558278]  discover_timer+0x50/0x60
[  230.562072]  call_timer_fn+0x272/0x920
[  230.565956]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  230.570796]  ? process_timeout+0x40/0x40
[  230.574859]  ? mark_held_locks+0xc7/0x130
[  230.579001]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.583490]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.587979]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  230.592820]  ? lockdep_hardirqs_on+0x296/0x5b0
[  230.597399]  ? trace_hardirqs_on+0xbd/0x310
[  230.601716]  ? kasan_check_read+0x11/0x20
[  230.605860]  ? __run_timers+0x7da/0xc70
[  230.609829]  ? trace_hardirqs_off_caller+0x310/0x310
[  230.614945]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  230.619782]  __run_timers+0x7e5/0xc70
[  230.623589]  ? timer_fixup_init+0x70/0x70
[  230.627737]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  230.632751]  ? zap_class+0x640/0x640
[  230.636462]  ? print_usage_bug+0xc0/0xc0
[  230.640521]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  230.645716]  ? find_held_lock+0x36/0x1c0
[  230.649779]  ? zap_class+0x640/0x640
[  230.653492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.659028]  ? check_preemption_disabled+0x48/0x280
[  230.664046]  ? __lock_is_held+0xb5/0x140
[  230.668108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.673647]  ? check_preemption_disabled+0x48/0x280
[  230.678661]  run_timer_softirq+0x52/0xb0
[  230.682731]  ? rcu_read_lock_sched_held+0x14f/0x180
[  230.687739]  __do_softirq+0x308/0xb7e
[  230.691540]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  230.696031]  ? lock_downgrade+0x900/0x900
[  230.700184]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  230.705288]  ? pvclock_read_flags+0x160/0x160
[  230.709779]  ? lapic_next_event+0x5a/0x90
[  230.713922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.719457]  ? kvm_clock_read+0x18/0x30
[  230.723425]  ? kvm_sched_clock_read+0x9/0x20
[  230.727830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.733362]  ? check_preemption_disabled+0x48/0x280
[  230.738385]  irq_exit+0x17f/0x1c0
[  230.741837]  smp_apic_timer_interrupt+0x1cb/0x760
[  230.746671]  ? smp_reschedule_interrupt+0x109/0x650
[  230.751688]  ? smp_call_function_single_interrupt+0x650/0x650
[  230.757566]  ? interrupt_entry+0xb5/0xc0
[  230.761622]  ? trace_hardirqs_off_caller+0xbb/0x310
[  230.766629]  ? trace_hardirqs_off_caller+0xbb/0x310
[  230.771640]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.776479]  ? trace_hardirqs_on_caller+0x310/0x310
[  230.781486]  ? trace_hardirqs_on_caller+0x310/0x310
[  230.786496]  ? task_prio+0x50/0x50
[  230.790034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.795566]  ? check_preemption_disabled+0x48/0x280
[  230.800581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.805422]  apic_timer_interrupt+0xf/0x20
[  230.809643]  </IRQ>
[  230.811875] RIP: 0010:lock_is_held_type+0x18b/0x210
[  230.816887] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  230.835782] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  230.843495] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  230.850759] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  230.858021] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  230.865388] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  230.872652] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  230.879946]  rcu_read_lock_held+0xa9/0xc0
[  230.884087]  css_next_child+0x2a2/0x620
[  230.888063]  ? cgroup_mount+0xd30/0xd30
[  230.892036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.897570]  ? check_preemption_disabled+0x48/0x280
[  230.902587]  ? __lock_is_held+0xb5/0x140
[  230.906656]  css_next_descendant_pre+0xeb/0x190
[  230.911331]  mem_cgroup_iter+0x42f/0x1160
[  230.915478]  ? kasan_check_write+0x14/0x20
[  230.919720]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  230.924471]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  230.929484]  ? shrink_slab+0xfa/0x8c0
[  230.933280]  ? shrink_active_list+0x1f00/0x1f00
[  230.937954]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  230.943574]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.948693]  ? cgroup_procs_write_finish+0xf0/0xf0
[  230.953629]  ? find_held_lock+0x36/0x1c0
[  230.957688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.963218]  ? vmpressure+0x1a2/0x340
[  230.967019]  shrink_node+0x516/0x16b0
[  230.970817]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  230.976112]  ? shrink_node_memcg+0x18f0/0x18f0
[  230.980698]  ? kvm_clock_read+0x18/0x30
[  230.984683]  ? ktime_get+0x2c1/0x400
[  230.988398]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  230.992893]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  230.998427]  ? __cpuset_node_allowed+0x19b/0x660
[  231.003180]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  231.008888]  ? delayacct_end+0x5a/0x100
[  231.012865]  do_try_to_free_pages+0x3e7/0x1290
[  231.017439]  ? zap_class+0x640/0x640
[  231.021247]  ? shrink_node+0x16b0/0x16b0
[  231.025306]  ? __lock_is_held+0xb5/0x140
[  231.029371]  try_to_free_pages+0x4d0/0xb90
[  231.033607]  ? do_try_to_free_pages+0x1290/0x1290
[  231.038458]  ? lock_acquire+0x1ed/0x520
[  231.042425]  ? set_page_refcounted+0x280/0x280
[  231.047012]  ? lock_release+0xa00/0xa00
[  231.051073]  ? _raw_spin_unlock_irq+0x60/0x80
[  231.055565]  ? psi_memstall_enter+0x240/0x2b0
[  231.060075]  ? psi_memstall_tick+0x230/0x230
[  231.064487]  __alloc_pages_slowpath+0xa14/0x2e10
[  231.069262]  ? warn_alloc+0x120/0x120
[  231.073057]  ? mark_held_locks+0x130/0x130
[  231.077303]  ? find_get_entry+0xaae/0x1120
[  231.081541]  ? filemap_map_pages+0x1a20/0x1a20
[  231.086132]  ? zap_class+0x640/0x640
[  231.089848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.095384]  ? check_preemption_disabled+0x48/0x280
[  231.100394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.106011]  ? should_fail+0x22d/0xd01
[  231.109898]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.114998]  ? zap_class+0x640/0x640
[  231.118732]  ? __lock_is_held+0xb5/0x140
[  231.122796]  ? mark_held_locks+0x130/0x130
[  231.127030]  ? lock_release+0xa00/0xa00
[  231.130999]  ? perf_trace_sched_process_exec+0x860/0x860
[  231.136446]  ? xa_load+0x2ba/0x460
[  231.139983]  ? lock_downgrade+0x900/0x900
[  231.144141]  ? __might_sleep+0x95/0x190
[  231.148126]  __alloc_pages_nodemask+0xa80/0xde0
[  231.152796]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  231.157809]  ? __page_cache_alloc+0x191/0x5c0
[  231.162295]  ? xa_load+0x2e1/0x460
[  231.165842]  ? xa_clear_mark+0x40/0x40
[  231.169726]  ? zap_class+0x640/0x640
[  231.173441]  ? zap_class+0x640/0x640
[  231.177149]  ? zap_class+0x640/0x640
[  231.180863]  ? __do_page_cache_readahead+0x663/0x810
[  231.185965]  ? find_held_lock+0x36/0x1c0
[  231.190026]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  231.195561]  alloc_pages_current+0x173/0x350
[  231.199968]  __page_cache_alloc+0x38c/0x5c0
[  231.204285]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  231.209212]  ? kasan_check_read+0x11/0x20
[  231.213352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  231.218623]  ? generic_perform_write+0x6a0/0x6a0
[  231.223382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.228919]  ? check_preemption_disabled+0x48/0x280
[  231.233946]  filemap_fault+0x1595/0x25f0
[  231.238012]  ? __lock_page_or_retry+0xa00/0xa00
[  231.242681]  ? mark_held_locks+0x130/0x130
[  231.246985]  ? filemap_map_pages+0xd6b/0x1a20
[  231.251479]  ? lock_downgrade+0x900/0x900
[  231.255622]  ? check_preemption_disabled+0x48/0x280
[  231.260645]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  231.265570]  ? kasan_check_read+0x11/0x20
[  231.269715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  231.274988]  ? rcu_softirq_qs+0x20/0x20
[  231.278983]  ? filemap_map_pages+0xd92/0x1a20
[  231.283478]  ? print_usage_bug+0xc0/0xc0
[  231.287543]  ? find_get_entries_tag+0x1400/0x1400
[  231.292379]  ? __kasan_slab_free+0x102/0x150
[  231.296781]  ? kasan_slab_free+0xe/0x10
[  231.300833]  ? kmem_cache_free+0x83/0x290
[  231.304973]  ? __sigqueue_free.part.29+0x74/0x90
[  231.309740]  ? lock_acquire+0x1ed/0x520
[  231.313707]  ? ext4_filemap_fault+0x7a/0xad
[  231.318033]  ? lock_release+0xa00/0xa00
[  231.322001]  ? perf_trace_sched_process_exec+0x860/0x860
[  231.327449]  ? print_usage_bug+0xc0/0xc0
[  231.331506]  ? print_usage_bug+0xc0/0xc0
[  231.335570]  ? down_read+0x8d/0x120
[  231.339192]  ? ext4_filemap_fault+0x7a/0xad
[  231.343514]  ? __down_interruptible+0x700/0x700
[  231.348186]  ext4_filemap_fault+0x82/0xad
[  231.352332]  __do_fault+0x100/0x6b0
[  231.355959]  ? pmd_devmap_trans_unstable+0x220/0x220
[  231.361060]  ? mark_held_locks+0x130/0x130
[  231.365302]  ? mark_held_locks+0x130/0x130
[  231.369534]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  231.375067]  ? rcu_pm_notify+0xc0/0xc0
[  231.378964]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.384501]  __handle_mm_fault+0x3ea0/0x5be0
[  231.388914]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  231.393752]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.398243]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  231.402822]  ? trace_hardirqs_on+0xbd/0x310
[  231.407142]  ? kasan_check_read+0x11/0x20
[  231.411286]  ? __set_current_blocked+0xdf/0x120
[  231.415956]  ? trace_hardirqs_off_caller+0x310/0x310
[  231.421062]  ? zap_class+0x640/0x640
[  231.424775]  ? zap_class+0x640/0x640
[  231.428493]  ? find_held_lock+0x36/0x1c0
[  231.432556]  ? handle_mm_fault+0x42a/0xc70
[  231.436790]  ? lock_downgrade+0x900/0x900
[  231.440936]  ? check_preemption_disabled+0x48/0x280
[  231.445960]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  231.450882]  ? kasan_check_read+0x11/0x20
[  231.455021]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  231.460294]  ? rcu_softirq_qs+0x20/0x20
[  231.464272]  ? trace_hardirqs_off_caller+0x310/0x310
[  231.469371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.474904]  ? check_preemption_disabled+0x48/0x280
[  231.479921]  handle_mm_fault+0x54f/0xc70
[  231.484072]  ? __handle_mm_fault+0x5be0/0x5be0
[  231.488660]  ? find_vma+0x34/0x190
[  231.492202]  __do_page_fault+0x5e8/0xe60
[  231.496265]  ? exit_to_usermode_loop+0x1f4/0x380
[  231.501032]  do_page_fault+0xf2/0x7e0
[  231.504840]  ? vmalloc_sync_all+0x30/0x30
[  231.508982]  ? error_entry+0x70/0xd0
[  231.512691]  ? trace_hardirqs_off_caller+0xbb/0x310
[  231.517704]  ? trace_hardirqs_on_caller+0xc0/0x310
[  231.522631]  ? syscall_return_slowpath+0x5e0/0x5e0
[  231.527553]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.532390]  ? trace_hardirqs_on_caller+0x310/0x310
[  231.537408]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  231.542858]  ? prepare_exit_to_usermode+0x291/0x3b0
[  231.547872]  ? page_fault+0x8/0x30
[  231.551410]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.556252]  ? page_fault+0x8/0x30
[  231.559789]  page_fault+0x1e/0x30
[  231.563249] RIP: 0033:0x45db60
[  231.566448] Code: Bad RIP value.
[  231.569804] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  231.575157] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  231.582419] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  231.589683] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  231.596944] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  231.604204] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  231.611491] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  231.611548] aoe: skb alloc failure
[  231.618238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  231.618243] Call Trace:
[  231.618260]  dump_stack+0x244/0x39d
[  231.618279]  ? dump_stack_print_info.cold.1+0x20/0x20
[  231.621840] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.631149]  warn_alloc.cold.116+0xb7/0x1bd
[  231.633698] syz-fuzzer cpuset=/ mems_allowed=0
[  231.637312]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  231.666644]  ? lock_downgrade+0x900/0x900
[  231.670799]  ? trace_hardirqs_off+0xb8/0x310
[  231.675207]  ? trace_hardirqs_off+0xb8/0x310
[  231.679622]  __alloc_pages_slowpath+0x26e8/0x2e10
[  231.684484]  ? warn_alloc+0x120/0x120
[  231.688287]  ? print_usage_bug+0xc0/0xc0
[  231.692349]  ? warn_alloc+0x120/0x120
[  231.696149]  ? warn_alloc+0x120/0x120
[  231.699944]  ? print_usage_bug+0xc0/0xc0
[  231.704003]  ? print_usage_bug+0xc0/0xc0
[  231.708087]  ? __lock_acquire+0x62f/0x4c20
[  231.712326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.717858]  ? should_fail+0x22d/0xd01
[  231.721742]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.726839]  ? __lock_acquire+0x62f/0x4c20
[  231.731081]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.736180]  ? __lock_acquire+0x62f/0x4c20
[  231.740410]  ? should_fail+0x22d/0xd01
[  231.744291]  ? find_held_lock+0x36/0x1c0
[  231.748528]  ? mark_held_locks+0x130/0x130
[  231.752777]  ? mark_held_locks+0x130/0x130
[  231.757014]  ? zap_class+0x640/0x640
[  231.760728]  ? zap_class+0x640/0x640
[  231.764441]  ? print_usage_bug+0xc0/0xc0
[  231.768495]  ? do_raw_spin_unlock+0xa7/0x330
[  231.772895]  ? zap_class+0x640/0x640
[  231.776606]  ? print_usage_bug+0xc0/0xc0
[  231.780660]  ? wq_watchdog_touch+0x9c/0xfe
[  231.784897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.790432]  ? check_preemption_disabled+0x48/0x280
[  231.795452]  ? __lock_is_held+0xb5/0x140
[  231.799515]  __alloc_pages_nodemask+0xa80/0xde0
[  231.805029]  ? zap_class+0x640/0x640
[  231.809107]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  231.814139]  ? find_held_lock+0x36/0x1c0
[  231.818203]  ? ____cache_alloc_node+0x1c7/0x1e0
[  231.822868]  ? lock_downgrade+0x900/0x900
[  231.827026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.832567]  cache_grow_begin+0xa5/0x8c0
[  231.836626]  ? do_raw_spin_unlock+0xa7/0x330
[  231.841041]  fallback_alloc+0x204/0x2e0
[  231.845025]  ____cache_alloc_node+0x1c7/0x1e0
[  231.849539]  kmem_cache_alloc_node+0xe3/0x730
[  231.854032]  ? ipv6_get_ifaddr+0x42e/0x620
[  231.858278]  __alloc_skb+0x119/0x770
[  231.861989]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  231.867263]  ? netdev_alloc_frag+0x1f0/0x1f0
[  231.871665]  ? lock_downgrade+0x900/0x900
[  231.875814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.881344]  ? refcount_sub_and_test_checked+0x203/0x310
[  231.886794]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  231.892240]  ? addrconf_rs_timer+0x690/0x690
[  231.896660]  ndisc_alloc_skb+0x144/0x340
[  231.900721]  ndisc_send_rs+0x331/0x6e0
[  231.904608]  addrconf_rs_timer+0x314/0x690
[  231.908840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.913083]  call_timer_fn+0x272/0x920
[  231.916967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.921196]  ? process_timeout+0x40/0x40
[  231.925258]  ? __run_timers+0x7da/0xc70
[  231.929239]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.933730]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.938221]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.942450]  ? lockdep_hardirqs_on+0x296/0x5b0
[  231.947028]  ? trace_hardirqs_on+0xbd/0x310
[  231.951349]  ? kasan_check_read+0x11/0x20
[  231.955488]  ? __run_timers+0x7da/0xc70
[  231.959456]  ? trace_hardirqs_off_caller+0x310/0x310
[  231.964555]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.968791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.973020]  __run_timers+0x7e5/0xc70
[  231.976832]  ? timer_fixup_init+0x70/0x70
[  231.982018]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.986512]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.991003]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  231.995587]  ? trace_hardirqs_on+0xbd/0x310
[  231.999904]  ? kasan_check_read+0x11/0x20
[  232.004056]  ? finish_task_switch+0x1f4/0x910
[  232.008550]  ? trace_hardirqs_off_caller+0x310/0x310
[  232.013650]  ? compat_start_thread+0x80/0x80
[  232.018083]  ? pvclock_read_flags+0x160/0x160
[  232.022573]  ? __switch_to_asm+0x34/0x70
[  232.026630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.032165]  ? check_preemption_disabled+0x48/0x280
[  232.037187]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  232.042719]  ? rcu_pm_notify+0xc0/0xc0
[  232.046601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.052135]  ? check_preemption_disabled+0x48/0x280
[  232.057238]  run_timer_softirq+0x52/0xb0
[  232.061296]  ? rcu_read_lock_sched_held+0x14f/0x180
[  232.066317]  __do_softirq+0x308/0xb7e
[  232.070120]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  232.075222]  ? smpboot_thread_fn+0x334/0xa00
[  232.079628]  ? schedule+0x108/0x460
[  232.083250]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  232.088011]  ? trace_hardirqs_off+0xb8/0x310
[  232.092426]  ? smpboot_thread_fn+0x68b/0xa00
[  232.096828]  ? trace_hardirqs_on+0x310/0x310
[  232.101491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.107021]  ? check_preemption_disabled+0x48/0x280
[  232.112048]  ? takeover_tasklets+0xa90/0xa90
[  232.116453]  run_ksoftirqd+0x5e/0x100
[  232.120249]  smpboot_thread_fn+0x68b/0xa00
[  232.124482]  ? sort_range+0x30/0x30
[  232.128106]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.133213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.138745]  ? __kthread_parkme+0xfb/0x1a0
[  232.142974]  ? sort_range+0x30/0x30
[  232.146596]  kthread+0x35a/0x440
[  232.149955]  ? kthread_stop+0x900/0x900
[  232.153937]  ret_from_fork+0x3a/0x50
[  232.157666] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  232.157670] warn_alloc_show_mem: 1 callbacks suppressed
[  232.157676] Mem-Info:
[  232.164590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  232.169950] active_anon:52607 inactive_anon:182 isolated_anon:0
[  232.169950]  active_file:12 inactive_file:11 isolated_file:0
[  232.169950]  unevictable:0 dirty:0 writeback:0 unstable:0
[  232.169950]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  232.169950]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  232.169950]  free:13782 free_pcp:358 free_cma:0
[  232.172320] Call Trace:
[  232.181692] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  232.214531]  <IRQ>
[  232.217113] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  232.244606]  dump_stack+0x244/0x39d
[  232.246725] lowmem_reserve[]: 0 2818 6321 6321
[  232.272826]  ? dump_stack_print_info.cold.1+0x20/0x20
[  232.276424] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  232.281004]  warn_alloc.cold.116+0xb7/0x1bd
[  232.286153] lowmem_reserve[]: 0 0 3503 3503
[  232.313819]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  232.318110] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  232.322421]  ? lock_downgrade+0x900/0x900
[  232.327230] lowmem_reserve[]: 0 0 0 0
[  232.356194]  ? trace_hardirqs_off+0xb8/0x310
[  232.360316] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  232.364108]  ? trace_hardirqs_off+0xb8/0x310
[  232.368480] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  232.382005]  __alloc_pages_slowpath+0x26e8/0x2e10
[  232.386384] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  232.401574]  ? warn_alloc+0x120/0x120
[  232.406371] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  232.421265]  ? warn_alloc+0x120/0x120
[  232.425040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  232.433859]  ? warn_alloc+0x120/0x120
[  232.437631] 266 total pagecache pages
[  232.446366]  ? print_usage_bug+0xc0/0xc0
[  232.450141] 0 pages in swap cache
[  232.453924]  ? print_usage_bug+0xc0/0xc0
[  232.457956] Swap cache stats: add 0, delete 0, find 0/0
[  232.461393]  ? ktime_get+0x2c1/0x400
[  232.465812] Free swap  = 0kB
[  232.471167]  ? check_preemption_disabled+0x48/0x280
[  232.474848] Total swap = 0kB
[  232.477850]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  232.482836] 1965979 pages RAM
[  232.485843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.490309] 0 pages HighMem/MovableOnly
[  232.493402]  ? should_fail+0x22d/0xd01
[  232.498902] 342854 pages reserved
[  232.498909] 0 pages cma reserved
[  232.502879]  ? kasan_check_read+0x11/0x20
[  232.506809] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  232.510175]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.513604] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  232.517669]  ? __lock_acquire+0x62f/0x4c20
[  232.524128] ksoftirqd/0 cpuset=/ mems_allowed=0
[  232.529222]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.553457]  ? should_fail+0x22d/0xd01
[  232.557342]  ? print_usage_bug+0xc0/0xc0
[  232.561410]  ? mark_held_locks+0x130/0x130
[  232.565646]  ? mark_held_locks+0x130/0x130
[  232.569877]  ? check_preemption_disabled+0x48/0x280
[  232.574894]  ? zap_class+0x640/0x640
[  232.578604]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  232.583356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.588892]  ? check_preemption_disabled+0x48/0x280
[  232.593919]  ? __lock_is_held+0xb5/0x140
[  232.597978]  __alloc_pages_nodemask+0xa80/0xde0
[  232.602651]  ? zap_class+0x640/0x640
[  232.606363]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  232.611382]  ? find_held_lock+0x36/0x1c0
[  232.615446]  ? ____cache_alloc_node+0x1c7/0x1e0
[  232.620114]  ? lock_downgrade+0x900/0x900
[  232.624263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.629798]  cache_grow_begin+0xa5/0x8c0
[  232.633857]  ? do_raw_spin_unlock+0xa7/0x330
[  232.638265]  fallback_alloc+0x204/0x2e0
[  232.642239]  ____cache_alloc_node+0x1c7/0x1e0
[  232.646738]  kmem_cache_alloc_node+0xe3/0x730
[  232.651224]  ? __kmalloc_node_track_caller+0x50/0x70
[  232.656324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.661860]  __alloc_skb+0x119/0x770
[  232.665569]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  232.670933]  ? netdev_alloc_frag+0x1f0/0x1f0
[  232.675343]  ? vprintk_default+0x28/0x30
[  232.679397]  ? vprintk_func+0x85/0x181
[  232.683278]  ? printk+0xa7/0xcf
[  232.686552]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  232.691307]  ? trace_hardirqs_off+0xb8/0x310
[  232.695717]  new_skb+0x26/0x1c0
[  232.698998]  aoecmd_cfg+0x279/0x7f0
[  232.702626]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  232.706947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.712491]  ? __lock_is_held+0xb5/0x140
[  232.716562]  discover_timer+0x50/0x60
[  232.720356]  call_timer_fn+0x272/0x920
[  232.724241]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  232.729079]  ? process_timeout+0x40/0x40
[  232.733144]  ? mark_held_locks+0xc7/0x130
[  232.737286]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.741774]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.746260]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  232.751099]  ? lockdep_hardirqs_on+0x296/0x5b0
[  232.755676]  ? trace_hardirqs_on+0xbd/0x310
[  232.759999]  ? kasan_check_read+0x11/0x20
[  232.764142]  ? __run_timers+0x7da/0xc70
[  232.768116]  ? trace_hardirqs_off_caller+0x310/0x310
[  232.773223]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  232.778057]  __run_timers+0x7e5/0xc70
[  232.781860]  ? timer_fixup_init+0x70/0x70
[  232.786017]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  232.791030]  ? zap_class+0x640/0x640
[  232.794746]  ? print_usage_bug+0xc0/0xc0
[  232.798802]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  232.804002]  ? find_held_lock+0x36/0x1c0
[  232.808079]  ? zap_class+0x640/0x640
[  232.811811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.817343]  ? check_preemption_disabled+0x48/0x280
[  232.822362]  ? __lock_is_held+0xb5/0x140
[  232.826419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.831951]  ? check_preemption_disabled+0x48/0x280
[  232.836980]  run_timer_softirq+0x52/0xb0
[  232.841037]  ? rcu_read_lock_sched_held+0x14f/0x180
[  232.846047]  __do_softirq+0x308/0xb7e
[  232.849848]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  232.854341]  ? lock_downgrade+0x900/0x900
[  232.858488]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  232.863597]  ? pvclock_read_flags+0x160/0x160
[  232.868089]  ? lapic_next_event+0x5a/0x90
[  232.872235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.877815]  ? kvm_clock_read+0x18/0x30
[  232.881783]  ? kvm_sched_clock_read+0x9/0x20
[  232.886193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.891724]  ? check_preemption_disabled+0x48/0x280
[  232.896742]  irq_exit+0x17f/0x1c0
[  232.900280]  smp_apic_timer_interrupt+0x1cb/0x760
[  232.905117]  ? smp_reschedule_interrupt+0x109/0x650
[  232.910131]  ? smp_call_function_single_interrupt+0x650/0x650
[  232.916008]  ? interrupt_entry+0xb5/0xc0
[  232.920066]  ? trace_hardirqs_off_caller+0xbb/0x310
[  232.925080]  ? trace_hardirqs_off_caller+0xbb/0x310
[  232.930094]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.934932]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.939949]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.944974]  ? task_prio+0x50/0x50
[  232.948517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.954048]  ? check_preemption_disabled+0x48/0x280
[  232.959064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.963910]  apic_timer_interrupt+0xf/0x20
[  232.968134]  </IRQ>
[  232.970373] RIP: 0010:lock_is_held_type+0x18b/0x210
[  232.975388] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  232.994281] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  233.001986] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  233.009253] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  233.016513] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  233.023775] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  233.031039] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  233.038327]  rcu_read_lock_held+0xa9/0xc0
[  233.042471]  css_next_child+0x2a2/0x620
[  233.046448]  ? cgroup_mount+0xd30/0xd30
[  233.050423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.055963]  ? check_preemption_disabled+0x48/0x280
[  233.061003]  ? __lock_is_held+0xb5/0x140
[  233.065078]  css_next_descendant_pre+0xeb/0x190
[  233.069844]  mem_cgroup_iter+0x42f/0x1160
[  233.073992]  ? kasan_check_write+0x14/0x20
[  233.078228]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  233.082985]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  233.088003]  ? shrink_slab+0xfa/0x8c0
[  233.091800]  ? shrink_active_list+0x1f00/0x1f00
[  233.096470]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  233.102093]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  233.107199]  ? cgroup_procs_write_finish+0xf0/0xf0
[  233.112129]  ? find_held_lock+0x36/0x1c0
[  233.116184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.121715]  ? vmpressure+0x1a2/0x340
[  233.125516]  shrink_node+0x516/0x16b0
[  233.129309]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  233.134603]  ? shrink_node_memcg+0x18f0/0x18f0
[  233.139186]  ? kvm_clock_read+0x18/0x30
[  233.143158]  ? ktime_get+0x2c1/0x400
[  233.146872]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  233.151369]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  233.157072]  ? __cpuset_node_allowed+0x19b/0x660
[  233.161823]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  233.167529]  ? delayacct_end+0x5a/0x100
[  233.171511]  do_try_to_free_pages+0x3e7/0x1290
[  233.176084]  ? zap_class+0x640/0x640
[  233.179810]  ? shrink_node+0x16b0/0x16b0
[  233.183866]  ? __lock_is_held+0xb5/0x140
[  233.187960]  try_to_free_pages+0x4d0/0xb90
[  233.192193]  ? do_try_to_free_pages+0x1290/0x1290
[  233.197044]  ? lock_acquire+0x1ed/0x520
[  233.201013]  ? set_page_refcounted+0x280/0x280
[  233.205596]  ? lock_release+0xa00/0xa00
[  233.209568]  ? _raw_spin_unlock_irq+0x60/0x80
[  233.214069]  ? psi_memstall_enter+0x240/0x2b0
[  233.218562]  ? psi_memstall_tick+0x230/0x230
[  233.222981]  __alloc_pages_slowpath+0xa14/0x2e10
[  233.227757]  ? warn_alloc+0x120/0x120
[  233.231550]  ? mark_held_locks+0x130/0x130
[  233.235784]  ? find_get_entry+0xaae/0x1120
[  233.240021]  ? filemap_map_pages+0x1a20/0x1a20
[  233.244603]  ? zap_class+0x640/0x640
[  233.248316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.253853]  ? check_preemption_disabled+0x48/0x280
[  233.258870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.264579]  ? should_fail+0x22d/0xd01
[  233.268464]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.273570]  ? zap_class+0x640/0x640
[  233.277305]  ? __lock_is_held+0xb5/0x140
[  233.281373]  ? mark_held_locks+0x130/0x130
[  233.285606]  ? lock_release+0xa00/0xa00
[  233.289579]  ? perf_trace_sched_process_exec+0x860/0x860
[  233.295043]  ? xa_load+0x2ba/0x460
[  233.298579]  ? lock_downgrade+0x900/0x900
[  233.302729]  ? __might_sleep+0x95/0x190
[  233.306705]  __alloc_pages_nodemask+0xa80/0xde0
[  233.311375]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  233.316386]  ? __page_cache_alloc+0x191/0x5c0
[  233.320880]  ? xa_load+0x2e1/0x460
[  233.324417]  ? xa_clear_mark+0x40/0x40
[  233.328299]  ? zap_class+0x640/0x640
[  233.332015]  ? zap_class+0x640/0x640
[  233.335900]  ? zap_class+0x640/0x640
[  233.339615]  ? __do_page_cache_readahead+0x663/0x810
[  233.344718]  ? find_held_lock+0x36/0x1c0
[  233.348776]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  233.354314]  alloc_pages_current+0x173/0x350
[  233.358720]  __page_cache_alloc+0x38c/0x5c0
[  233.363035]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.367961]  ? kasan_check_read+0x11/0x20
[  233.372102]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.377373]  ? generic_perform_write+0x6a0/0x6a0
[  233.382129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.387660]  ? check_preemption_disabled+0x48/0x280
[  233.392676]  filemap_fault+0x1595/0x25f0
[  233.396746]  ? __lock_page_or_retry+0xa00/0xa00
[  233.401411]  ? mark_held_locks+0x130/0x130
[  233.405648]  ? filemap_map_pages+0xd6b/0x1a20
[  233.410142]  ? lock_downgrade+0x900/0x900
[  233.414291]  ? check_preemption_disabled+0x48/0x280
[  233.419304]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.424228]  ? kasan_check_read+0x11/0x20
[  233.428370]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.433639]  ? rcu_softirq_qs+0x20/0x20
[  233.437618]  ? filemap_map_pages+0xd92/0x1a20
[  233.442115]  ? print_usage_bug+0xc0/0xc0
[  233.446180]  ? find_get_entries_tag+0x1400/0x1400
[  233.451029]  ? __kasan_slab_free+0x102/0x150
[  233.455432]  ? kasan_slab_free+0xe/0x10
[  233.459413]  ? kmem_cache_free+0x83/0x290
[  233.463555]  ? __sigqueue_free.part.29+0x74/0x90
[  233.468324]  ? lock_acquire+0x1ed/0x520
[  233.472293]  ? ext4_filemap_fault+0x7a/0xad
[  233.476614]  ? lock_release+0xa00/0xa00
[  233.480579]  ? perf_trace_sched_process_exec+0x860/0x860
[  233.486027]  ? print_usage_bug+0xc0/0xc0
[  233.490092]  ? print_usage_bug+0xc0/0xc0
[  233.494165]  ? down_read+0x8d/0x120
[  233.497785]  ? ext4_filemap_fault+0x7a/0xad
[  233.502125]  ? __down_interruptible+0x700/0x700
[  233.506795]  ext4_filemap_fault+0x82/0xad
[  233.510946]  __do_fault+0x100/0x6b0
[  233.514570]  ? pmd_devmap_trans_unstable+0x220/0x220
[  233.519756]  ? mark_held_locks+0x130/0x130
[  233.523989]  ? mark_held_locks+0x130/0x130
[  233.528220]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  233.533754]  ? rcu_pm_notify+0xc0/0xc0
[  233.537640]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.543174]  __handle_mm_fault+0x3ea0/0x5be0
[  233.547588]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  233.552425]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.556930]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  233.561512]  ? trace_hardirqs_on+0xbd/0x310
[  233.565824]  ? kasan_check_read+0x11/0x20
[  233.569965]  ? __set_current_blocked+0xdf/0x120
[  233.574632]  ? trace_hardirqs_off_caller+0x310/0x310
[  233.579741]  ? zap_class+0x640/0x640
[  233.583457]  ? zap_class+0x640/0x640
[  233.587168]  ? find_held_lock+0x36/0x1c0
[  233.591231]  ? handle_mm_fault+0x42a/0xc70
[  233.595464]  ? lock_downgrade+0x900/0x900
[  233.599606]  ? check_preemption_disabled+0x48/0x280
[  233.604620]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.609541]  ? kasan_check_read+0x11/0x20
[  233.613681]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.618949]  ? rcu_softirq_qs+0x20/0x20
[  233.622924]  ? trace_hardirqs_off_caller+0x310/0x310
[  233.628028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.633651]  ? check_preemption_disabled+0x48/0x280
[  233.639007]  handle_mm_fault+0x54f/0xc70
[  233.643082]  ? __handle_mm_fault+0x5be0/0x5be0
[  233.647668]  ? find_vma+0x34/0x190
[  233.651206]  __do_page_fault+0x5e8/0xe60
[  233.655267]  ? exit_to_usermode_loop+0x1f4/0x380
[  233.660027]  do_page_fault+0xf2/0x7e0
[  233.663828]  ? vmalloc_sync_all+0x30/0x30
[  233.667969]  ? error_entry+0x70/0xd0
[  233.671679]  ? trace_hardirqs_off_caller+0xbb/0x310
[  233.676687]  ? trace_hardirqs_on_caller+0xc0/0x310
[  233.681608]  ? syscall_return_slowpath+0x5e0/0x5e0
[  233.686541]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.691378]  ? trace_hardirqs_on_caller+0x310/0x310
[  233.696387]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  233.701839]  ? prepare_exit_to_usermode+0x291/0x3b0
[  233.706848]  ? page_fault+0x8/0x30
[  233.710390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.715231]  ? page_fault+0x8/0x30
[  233.718769]  page_fault+0x1e/0x30
[  233.722217] RIP: 0033:0x45db60
[  233.725421] Code: Bad RIP value.
[  233.728784] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  233.734144] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  233.741410] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  233.748679] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  233.755939] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  233.763200] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  233.770487] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  233.770543] aoe: skb alloc failure
[  233.777232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  233.777237] Call Trace:
[  233.777254]  dump_stack+0x244/0x39d
[  233.777274]  ? dump_stack_print_info.cold.1+0x20/0x20
[  233.781036] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  233.790134]  warn_alloc.cold.116+0xb7/0x1bd
[  233.792683] syz-fuzzer cpuset=/ mems_allowed=0
[  233.796299]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  233.825770]  ? lock_downgrade+0x900/0x900
[  233.829936]  ? trace_hardirqs_off+0xb8/0x310
[  233.834343]  ? trace_hardirqs_off+0xb8/0x310
[  233.838759]  __alloc_pages_slowpath+0x26e8/0x2e10
[  233.843621]  ? warn_alloc+0x120/0x120
[  233.847418]  ? print_usage_bug+0xc0/0xc0
[  233.851491]  ? warn_alloc+0x120/0x120
[  233.855289]  ? warn_alloc+0x120/0x120
[  233.859088]  ? print_usage_bug+0xc0/0xc0
[  233.863153]  ? print_usage_bug+0xc0/0xc0
[  233.867211]  ? __lock_acquire+0x62f/0x4c20
[  233.871447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.876985]  ? should_fail+0x22d/0xd01
[  233.880869]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.885973]  ? __lock_acquire+0x62f/0x4c20
[  233.890209]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.895305]  ? __lock_acquire+0x62f/0x4c20
[  233.899533]  ? should_fail+0x22d/0xd01
[  233.903428]  ? find_held_lock+0x36/0x1c0
[  233.907492]  ? mark_held_locks+0x130/0x130
[  233.911724]  ? mark_held_locks+0x130/0x130
[  233.915954]  ? zap_class+0x640/0x640
[  233.919667]  ? mark_held_locks+0xc7/0x130
[  233.923807]  ? do_raw_spin_unlock+0xa7/0x330
[  233.928208]  ? zap_class+0x640/0x640
[  233.931921]  ? print_usage_bug+0xc0/0xc0
[  233.935982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.941533]  ? check_preemption_disabled+0x48/0x280
[  233.946570]  ? __lock_is_held+0xb5/0x140
[  233.950630]  __alloc_pages_nodemask+0xa80/0xde0
[  233.955291]  ? zap_class+0x640/0x640
[  233.959004]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  233.964024]  ? find_held_lock+0x36/0x1c0
[  233.968090]  ? ____cache_alloc_node+0x1c7/0x1e0
[  233.972766]  ? lock_downgrade+0x900/0x900
[  233.976920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.982455]  cache_grow_begin+0xa5/0x8c0
[  233.986508]  ? do_raw_spin_unlock+0xa7/0x330
[  233.990920]  fallback_alloc+0x204/0x2e0
[  233.994900]  ____cache_alloc_node+0x1c7/0x1e0
[  233.999399]  kmem_cache_alloc_node+0xe3/0x730
[  234.003900]  ? ipv6_get_ifaddr+0x42e/0x620
[  234.008144]  __alloc_skb+0x119/0x770
[  234.011854]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  234.017138]  ? netdev_alloc_frag+0x1f0/0x1f0
[  234.021541]  ? lock_downgrade+0x900/0x900
[  234.025693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.031222]  ? refcount_sub_and_test_checked+0x203/0x310
[  234.036673]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  234.042135]  ? addrconf_rs_timer+0x690/0x690
[  234.046547]  ndisc_alloc_skb+0x144/0x340
[  234.050606]  ndisc_send_rs+0x331/0x6e0
[  234.054491]  addrconf_rs_timer+0x314/0x690
[  234.058724]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.062965]  call_timer_fn+0x272/0x920
[  234.066844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.071087]  ? process_timeout+0x40/0x40
[  234.075150]  ? __run_timers+0x7da/0xc70
[  234.079127]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.083618]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.088104]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.092336]  ? lockdep_hardirqs_on+0x296/0x5b0
[  234.096919]  ? trace_hardirqs_on+0xbd/0x310
[  234.101236]  ? kasan_check_read+0x11/0x20
[  234.105380]  ? __run_timers+0x7da/0xc70
[  234.109349]  ? trace_hardirqs_off_caller+0x310/0x310
[  234.114450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.118691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.122925]  __run_timers+0x7e5/0xc70
[  234.126732]  ? timer_fixup_init+0x70/0x70
[  234.130879]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.135384]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.139883]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  234.144466]  ? trace_hardirqs_on+0xbd/0x310
[  234.148781]  ? kasan_check_read+0x11/0x20
[  234.152924]  ? finish_task_switch+0x1f4/0x910
[  234.157418]  ? trace_hardirqs_off_caller+0x310/0x310
[  234.162518]  ? compat_start_thread+0x80/0x80
[  234.166940]  ? pvclock_read_flags+0x160/0x160
[  234.171427]  ? __switch_to_asm+0x34/0x70
[  234.175497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.181030]  ? check_preemption_disabled+0x48/0x280
[  234.186055]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  234.191590]  ? rcu_pm_notify+0xc0/0xc0
[  234.195472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.201007]  ? check_preemption_disabled+0x48/0x280
[  234.206021]  run_timer_softirq+0x52/0xb0
[  234.210078]  ? rcu_read_lock_sched_held+0x14f/0x180
[  234.215088]  __do_softirq+0x308/0xb7e
[  234.218901]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  234.224002]  ? smpboot_thread_fn+0x334/0xa00
[  234.228417]  ? schedule+0x108/0x460
[  234.232043]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  234.236800]  ? trace_hardirqs_off+0xb8/0x310
[  234.241207]  ? smpboot_thread_fn+0x68b/0xa00
[  234.245612]  ? trace_hardirqs_on+0x310/0x310
[  234.250020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.255554]  ? check_preemption_disabled+0x48/0x280
[  234.260572]  ? takeover_tasklets+0xa90/0xa90
[  234.264982]  run_ksoftirqd+0x5e/0x100
[  234.268781]  smpboot_thread_fn+0x68b/0xa00
[  234.273028]  ? sort_range+0x30/0x30
[  234.276652]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  234.281750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.287288]  ? __kthread_parkme+0xfb/0x1a0
[  234.291526]  ? sort_range+0x30/0x30
[  234.295152]  kthread+0x35a/0x440
[  234.298516]  ? kthread_stop+0x900/0x900
[  234.302486]  ret_from_fork+0x3a/0x50
[  234.306220] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  234.306225] warn_alloc_show_mem: 1 callbacks suppressed
[  234.306231] Mem-Info:
[  234.313149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.318509] active_anon:52607 inactive_anon:182 isolated_anon:0
[  234.318509]  active_file:12 inactive_file:11 isolated_file:0
[  234.318509]  unevictable:0 dirty:0 writeback:0 unstable:0
[  234.318509]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  234.318509]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  234.318509]  free:13782 free_pcp:358 free_cma:0
[  234.320877] Call Trace:
[  234.330255] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  234.363269]  <IRQ>
[  234.365834] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  234.393328]  dump_stack+0x244/0x39d
[  234.395455] lowmem_reserve[]: 0 2818 6321 6321
[  234.421559]  ? dump_stack_print_info.cold.1+0x20/0x20
[  234.425156] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  234.429741]  warn_alloc.cold.116+0xb7/0x1bd
[  234.434889] lowmem_reserve[]: 0 0 3503 3503
[  234.462561]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  234.466854] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  234.471169]  ? lock_downgrade+0x900/0x900
[  234.475981] lowmem_reserve[]: 0 0 0 0
[  234.504949]  ? trace_hardirqs_off+0xb8/0x310
[  234.509094] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  234.512885]  ? trace_hardirqs_off+0xb8/0x310
[  234.517264] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  234.530779]  __alloc_pages_slowpath+0x26e8/0x2e10
[  234.535156] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  234.550340]  ? warn_alloc+0x120/0x120
[  234.555141] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  234.570057]  ? warn_alloc+0x120/0x120
[  234.573844] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  234.582672]  ? warn_alloc+0x120/0x120
[  234.586448] 266 total pagecache pages
[  234.595017]  ? print_usage_bug+0xc0/0xc0
[  234.598791] 0 pages in swap cache
[  234.602576]  ? zap_class+0x640/0x640
[  234.606612] Swap cache stats: add 0, delete 0, find 0/0
[  234.606619] Free swap  = 0kB
[  234.610064]  ? print_usage_bug+0xc0/0xc0
[  234.613753] Total swap = 0kB
[  234.619108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.622095] 1965979 pages RAM
[  234.626144]  ? should_fail+0x22d/0xd01
[  234.629129] 0 pages HighMem/MovableOnly
[  234.629137] 342854 pages reserved
[  234.634661]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.637733] 0 pages cma reserved
[  234.637801] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  234.641702]  ? __lock_acquire+0x62f/0x4c20
[  234.645738] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.649101]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.654174] ksoftirqd/0 cpuset=/ mems_allowed=0
[  234.657532]  ? __lock_acquire+0x62f/0x4c20
[  234.692456]  ? should_fail+0x22d/0xd01
[  234.696347]  ? mark_held_locks+0x130/0x130
[  234.700590]  ? mark_held_locks+0x130/0x130
[  234.704827]  ? try_to_wake_up+0x11c/0x1490
[  234.709060]  ? lock_downgrade+0x900/0x900
[  234.713210]  ? zap_class+0x640/0x640
[  234.716924]  ? print_usage_bug+0xc0/0xc0
[  234.720978]  ? trace_hardirqs_off+0xb8/0x310
[  234.725384]  ? kasan_check_read+0x11/0x20
[  234.729529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.735063]  ? check_preemption_disabled+0x48/0x280
[  234.740084]  ? __lock_is_held+0xb5/0x140
[  234.744161]  __alloc_pages_nodemask+0xa80/0xde0
[  234.748830]  ? zap_class+0x640/0x640
[  234.752542]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  234.757562]  ? find_held_lock+0x36/0x1c0
[  234.761626]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.766291]  ? lock_downgrade+0x900/0x900
[  234.770438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.775974]  cache_grow_begin+0xa5/0x8c0
[  234.780029]  ? do_raw_spin_unlock+0xa7/0x330
[  234.784442]  fallback_alloc+0x204/0x2e0
[  234.788421]  ____cache_alloc_node+0x1c7/0x1e0
[  234.792917]  kmem_cache_alloc_node+0xe3/0x730
[  234.797491]  ? ipv6_get_ifaddr+0x42e/0x620
[  234.801728]  __alloc_skb+0x119/0x770
[  234.805435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  234.810711]  ? netdev_alloc_frag+0x1f0/0x1f0
[  234.815113]  ? lock_downgrade+0x900/0x900
[  234.819262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.824794]  ? refcount_sub_and_test_checked+0x203/0x310
[  234.830249]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  234.835696]  ? addrconf_rs_timer+0x690/0x690
[  234.840114]  ndisc_alloc_skb+0x144/0x340
[  234.844172]  ndisc_send_rs+0x331/0x6e0
[  234.848062]  addrconf_rs_timer+0x314/0x690
[  234.852299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.856540]  call_timer_fn+0x272/0x920
[  234.860509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.864741]  ? process_timeout+0x40/0x40
[  234.868814]  ? mark_held_locks+0xc7/0x130
[  234.872963]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.877453]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.881940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.886167]  ? lockdep_hardirqs_on+0x296/0x5b0
[  234.890747]  ? trace_hardirqs_on+0xbd/0x310
[  234.895063]  ? kasan_check_read+0x11/0x20
[  234.899207]  ? __run_timers+0x7da/0xc70
[  234.903180]  ? trace_hardirqs_off_caller+0x310/0x310
[  234.908288]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.912521]  __run_timers+0x7e5/0xc70
[  234.916324]  ? timer_fixup_init+0x70/0x70
[  234.920473]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  234.925484]  ? zap_class+0x640/0x640
[  234.929200]  ? print_usage_bug+0xc0/0xc0
[  234.933258]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  234.938455]  ? find_held_lock+0x36/0x1c0
[  234.942525]  ? zap_class+0x640/0x640
[  234.946239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.951769]  ? check_preemption_disabled+0x48/0x280
[  234.956802]  ? __lock_is_held+0xb5/0x140
[  234.960859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.966393]  ? check_preemption_disabled+0x48/0x280
[  234.971408]  run_timer_softirq+0x52/0xb0
[  234.975468]  ? rcu_read_lock_sched_held+0x14f/0x180
[  234.980484]  __do_softirq+0x308/0xb7e
[  234.984282]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  234.988775]  ? lock_downgrade+0x900/0x900
[  234.992926]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  234.998117]  ? pvclock_read_flags+0x160/0x160
[  235.002619]  ? lapic_next_event+0x5a/0x90
[  235.006768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.012400]  ? kvm_clock_read+0x18/0x30
[  235.016371]  ? kvm_sched_clock_read+0x9/0x20
[  235.020778]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.026325]  ? check_preemption_disabled+0x48/0x280
[  235.031348]  irq_exit+0x17f/0x1c0
[  235.034807]  smp_apic_timer_interrupt+0x1cb/0x760
[  235.039647]  ? smp_reschedule_interrupt+0x109/0x650
[  235.044661]  ? smp_call_function_single_interrupt+0x650/0x650
[  235.050537]  ? interrupt_entry+0xb5/0xc0
[  235.054597]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.059610]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.064621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.069458]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.074468]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.079478]  ? task_prio+0x50/0x50
[  235.083013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.088544]  ? check_preemption_disabled+0x48/0x280
[  235.093563]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.098409]  apic_timer_interrupt+0xf/0x20
[  235.102630]  </IRQ>
[  235.104863] RIP: 0010:lock_is_held_type+0x18b/0x210
[  235.109877] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  235.128863] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  235.136566] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  235.143831] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  235.151094] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  235.158359] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  235.165619] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  235.172913]  rcu_read_lock_held+0xa9/0xc0
[  235.177055]  css_next_child+0x2a2/0x620
[  235.181028]  ? cgroup_mount+0xd30/0xd30
[  235.185001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.190534]  ? check_preemption_disabled+0x48/0x280
[  235.195555]  ? __lock_is_held+0xb5/0x140
[  235.199621]  css_next_descendant_pre+0xeb/0x190
[  235.204290]  mem_cgroup_iter+0x42f/0x1160
[  235.208438]  ? kasan_check_write+0x14/0x20
[  235.212677]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  235.217426]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  235.222442]  ? shrink_slab+0xfa/0x8c0
[  235.226236]  ? shrink_active_list+0x1f00/0x1f00
[  235.230905]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  235.236542]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.241923]  ? cgroup_procs_write_finish+0xf0/0xf0
[  235.246857]  ? find_held_lock+0x36/0x1c0
[  235.250919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.256453]  ? vmpressure+0x1a2/0x340
[  235.260255]  shrink_node+0x516/0x16b0
[  235.264050]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  235.269345]  ? shrink_node_memcg+0x18f0/0x18f0
[  235.273929]  ? kvm_clock_read+0x18/0x30
[  235.277907]  ? ktime_get+0x2c1/0x400
[  235.281621]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  235.286118]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  235.291652]  ? __cpuset_node_allowed+0x19b/0x660
[  235.296405]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  235.302112]  ? delayacct_end+0x5a/0x100
[  235.306088]  do_try_to_free_pages+0x3e7/0x1290
[  235.310667]  ? zap_class+0x640/0x640
[  235.314399]  ? shrink_node+0x16b0/0x16b0
[  235.318459]  ? __lock_is_held+0xb5/0x140
[  235.322530]  try_to_free_pages+0x4d0/0xb90
[  235.326774]  ? do_try_to_free_pages+0x1290/0x1290
[  235.331975]  ? lock_acquire+0x1ed/0x520
[  235.335946]  ? set_page_refcounted+0x280/0x280
[  235.340527]  ? lock_release+0xa00/0xa00
[  235.344498]  ? _raw_spin_unlock_irq+0x60/0x80
[  235.348987]  ? psi_memstall_enter+0x240/0x2b0
[  235.353480]  ? psi_memstall_tick+0x230/0x230
[  235.357896]  __alloc_pages_slowpath+0xa14/0x2e10
[  235.362670]  ? warn_alloc+0x120/0x120
[  235.366465]  ? mark_held_locks+0x130/0x130
[  235.370712]  ? find_get_entry+0xaae/0x1120
[  235.374952]  ? filemap_map_pages+0x1a20/0x1a20
[  235.379531]  ? zap_class+0x640/0x640
[  235.383255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.388793]  ? check_preemption_disabled+0x48/0x280
[  235.393803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.399335]  ? should_fail+0x22d/0xd01
[  235.403224]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.408327]  ? zap_class+0x640/0x640
[  235.412058]  ? __lock_is_held+0xb5/0x140
[  235.416120]  ? mark_held_locks+0x130/0x130
[  235.420353]  ? lock_release+0xa00/0xa00
[  235.424326]  ? perf_trace_sched_process_exec+0x860/0x860
[  235.429775]  ? xa_load+0x2ba/0x460
[  235.433312]  ? lock_downgrade+0x900/0x900
[  235.437462]  ? __might_sleep+0x95/0x190
[  235.441438]  __alloc_pages_nodemask+0xa80/0xde0
[  235.446109]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  235.451122]  ? __page_cache_alloc+0x191/0x5c0
[  235.455616]  ? xa_load+0x2e1/0x460
[  235.459153]  ? xa_clear_mark+0x40/0x40
[  235.463036]  ? zap_class+0x640/0x640
[  235.466761]  ? zap_class+0x640/0x640
[  235.470473]  ? zap_class+0x640/0x640
[  235.474195]  ? __do_page_cache_readahead+0x663/0x810
[  235.479303]  ? find_held_lock+0x36/0x1c0
[  235.483364]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  235.488902]  alloc_pages_current+0x173/0x350
[  235.493316]  __page_cache_alloc+0x38c/0x5c0
[  235.497633]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  235.502560]  ? kasan_check_read+0x11/0x20
[  235.506704]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.511980]  ? generic_perform_write+0x6a0/0x6a0
[  235.516740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.522290]  ? check_preemption_disabled+0x48/0x280
[  235.527316]  filemap_fault+0x1595/0x25f0
[  235.531385]  ? __lock_page_or_retry+0xa00/0xa00
[  235.536058]  ? mark_held_locks+0x130/0x130
[  235.540306]  ? filemap_map_pages+0xd6b/0x1a20
[  235.544802]  ? lock_downgrade+0x900/0x900
[  235.548950]  ? check_preemption_disabled+0x48/0x280
[  235.553965]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  235.558895]  ? kasan_check_read+0x11/0x20
[  235.563039]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.568315]  ? rcu_softirq_qs+0x20/0x20
[  235.572305]  ? filemap_map_pages+0xd92/0x1a20
[  235.576803]  ? print_usage_bug+0xc0/0xc0
[  235.580867]  ? find_get_entries_tag+0x1400/0x1400
[  235.585709]  ? __kasan_slab_free+0x102/0x150
[  235.590123]  ? kasan_slab_free+0xe/0x10
[  235.594096]  ? kmem_cache_free+0x83/0x290
[  235.598240]  ? __sigqueue_free.part.29+0x74/0x90
[  235.603012]  ? lock_acquire+0x1ed/0x520
[  235.606991]  ? ext4_filemap_fault+0x7a/0xad
[  235.611315]  ? lock_release+0xa00/0xa00
[  235.615302]  ? perf_trace_sched_process_exec+0x860/0x860
[  235.620763]  ? print_usage_bug+0xc0/0xc0
[  235.624822]  ? print_usage_bug+0xc0/0xc0
[  235.628891]  ? down_read+0x8d/0x120
[  235.632512]  ? ext4_filemap_fault+0x7a/0xad
[  235.636835]  ? __down_interruptible+0x700/0x700
[  235.641817]  ext4_filemap_fault+0x82/0xad
[  235.645964]  __do_fault+0x100/0x6b0
[  235.649594]  ? pmd_devmap_trans_unstable+0x220/0x220
[  235.654697]  ? mark_held_locks+0x130/0x130
[  235.658928]  ? mark_held_locks+0x130/0x130
[  235.663165]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  235.668702]  ? rcu_pm_notify+0xc0/0xc0
[  235.672603]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.678147]  __handle_mm_fault+0x3ea0/0x5be0
[  235.682560]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  235.687398]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.691891]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  235.696472]  ? trace_hardirqs_on+0xbd/0x310
[  235.700789]  ? kasan_check_read+0x11/0x20
[  235.704936]  ? __set_current_blocked+0xdf/0x120
[  235.709606]  ? trace_hardirqs_off_caller+0x310/0x310
[  235.714719]  ? zap_class+0x640/0x640
[  235.718436]  ? zap_class+0x640/0x640
[  235.722159]  ? find_held_lock+0x36/0x1c0
[  235.726223]  ? handle_mm_fault+0x42a/0xc70
[  235.730459]  ? lock_downgrade+0x900/0x900
[  235.734609]  ? check_preemption_disabled+0x48/0x280
[  235.739629]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  235.744561]  ? kasan_check_read+0x11/0x20
[  235.748708]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.753994]  ? rcu_softirq_qs+0x20/0x20
[  235.757971]  ? trace_hardirqs_off_caller+0x310/0x310
[  235.763076]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.768610]  ? check_preemption_disabled+0x48/0x280
[  235.773633]  handle_mm_fault+0x54f/0xc70
[  235.777782]  ? __handle_mm_fault+0x5be0/0x5be0
[  235.782368]  ? find_vma+0x34/0x190
[  235.785920]  __do_page_fault+0x5e8/0xe60
[  235.789985]  ? exit_to_usermode_loop+0x1f4/0x380
[  235.794764]  do_page_fault+0xf2/0x7e0
[  235.798586]  ? vmalloc_sync_all+0x30/0x30
[  235.802737]  ? error_entry+0x70/0xd0
[  235.806998]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.812014]  ? trace_hardirqs_on_caller+0xc0/0x310
[  235.816940]  ? syscall_return_slowpath+0x5e0/0x5e0
[  235.821868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.826709]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.831733]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  235.837187]  ? prepare_exit_to_usermode+0x291/0x3b0
[  235.842204]  ? page_fault+0x8/0x30
[  235.845752]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.850592]  ? page_fault+0x8/0x30
[  235.854129]  page_fault+0x1e/0x30
[  235.857580] RIP: 0033:0x45db60
[  235.860779] Code: Bad RIP value.
[  235.864138] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  235.869497] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  235.876759] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  235.884023] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  235.891303] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  235.898566] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  235.905857] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  235.905918] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  235.912604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  235.912609] Call Trace:
[  235.912627]  dump_stack+0x244/0x39d
[  235.912646]  ? dump_stack_print_info.cold.1+0x20/0x20
[  235.919175] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  235.928473]  warn_alloc.cold.116+0xb7/0x1bd
[  235.931023] syz-fuzzer cpuset=/ mems_allowed=0
[  235.934638]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  235.963794]  ? lock_downgrade+0x900/0x900
[  235.967945]  ? trace_hardirqs_off+0xb8/0x310
[  235.972371]  ? trace_hardirqs_off+0xb8/0x310
[  235.976784]  __alloc_pages_slowpath+0x26e8/0x2e10
[  235.981646]  ? warn_alloc+0x120/0x120
[  235.985445]  ? print_usage_bug+0xc0/0xc0
[  235.989500]  ? warn_alloc+0x120/0x120
[  235.993301]  ? warn_alloc+0x120/0x120
[  235.997110]  ? print_usage_bug+0xc0/0xc0
[  236.001171]  ? print_usage_bug+0xc0/0xc0
[  236.005240]  ? __lock_acquire+0x62f/0x4c20
[  236.009474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.015010]  ? should_fail+0x22d/0xd01
[  236.018983]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.024082]  ? __lock_acquire+0x62f/0x4c20
[  236.028314]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.033413]  ? __lock_acquire+0x62f/0x4c20
[  236.037644]  ? should_fail+0x22d/0xd01
[  236.041543]  ? mark_held_locks+0x130/0x130
[  236.045776]  ? mark_held_locks+0x130/0x130
[  236.050003]  ? zap_class+0x640/0x640
[  236.053725]  ? zap_class+0x640/0x640
[  236.057439]  ? print_usage_bug+0xc0/0xc0
[  236.061493]  ? mark_held_locks+0x130/0x130
[  236.065736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.071272]  ? check_preemption_disabled+0x48/0x280
[  236.076291]  ? __lock_is_held+0xb5/0x140
[  236.080443]  __alloc_pages_nodemask+0xa80/0xde0
[  236.085107]  ? zap_class+0x640/0x640
[  236.088824]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  236.093848]  ? find_held_lock+0x36/0x1c0
[  236.097918]  ? ____cache_alloc_node+0x1c7/0x1e0
[  236.102605]  ? lock_downgrade+0x900/0x900
[  236.106758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.112302]  cache_grow_begin+0xa5/0x8c0
[  236.116360]  ? do_raw_spin_unlock+0xa7/0x330
[  236.120772]  fallback_alloc+0x204/0x2e0
[  236.124752]  ____cache_alloc_node+0x1c7/0x1e0
[  236.129252]  kmem_cache_alloc_node+0xe3/0x730
[  236.133751]  ? ipv6_get_ifaddr+0x42e/0x620
[  236.137992]  __alloc_skb+0x119/0x770
[  236.141710]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.146989]  ? netdev_alloc_frag+0x1f0/0x1f0
[  236.151398]  ? lock_downgrade+0x900/0x900
[  236.155548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.161084]  ? refcount_sub_and_test_checked+0x203/0x310
[  236.166531]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  236.171976]  ? addrconf_rs_timer+0x690/0x690
[  236.176389]  ndisc_alloc_skb+0x144/0x340
[  236.180449]  ndisc_send_rs+0x331/0x6e0
[  236.184336]  addrconf_rs_timer+0x314/0x690
[  236.188576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.192850]  call_timer_fn+0x272/0x920
[  236.196749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.200977]  ? process_timeout+0x40/0x40
[  236.205052]  ? __run_timers+0x7da/0xc70
[  236.209028]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.213522]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.218011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.222244]  ? lockdep_hardirqs_on+0x296/0x5b0
[  236.226826]  ? trace_hardirqs_on+0xbd/0x310
[  236.231144]  ? kasan_check_read+0x11/0x20
[  236.235286]  ? __run_timers+0x7da/0xc70
[  236.239257]  ? trace_hardirqs_off_caller+0x310/0x310
[  236.244363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.248589]  __run_timers+0x7e5/0xc70
[  236.252396]  ? timer_fixup_init+0x70/0x70
[  236.256539]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.261041]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.265532]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  236.270110]  ? trace_hardirqs_on+0xbd/0x310
[  236.274423]  ? kasan_check_read+0x11/0x20
[  236.278565]  ? finish_task_switch+0x1f4/0x910
[  236.283067]  ? trace_hardirqs_off_caller+0x310/0x310
[  236.288164]  ? compat_start_thread+0x80/0x80
[  236.292585]  ? pvclock_read_flags+0x160/0x160
[  236.297070]  ? __switch_to_asm+0x34/0x70
[  236.301213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.306750]  ? check_preemption_disabled+0x48/0x280
[  236.311783]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  236.317317]  ? rcu_pm_notify+0xc0/0xc0
[  236.321199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.326735]  ? check_preemption_disabled+0x48/0x280
[  236.331749]  run_timer_softirq+0x52/0xb0
[  236.335804]  ? rcu_read_lock_sched_held+0x14f/0x180
[  236.340820]  __do_softirq+0x308/0xb7e
[  236.344633]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  236.349734]  ? smpboot_thread_fn+0x334/0xa00
[  236.354144]  ? schedule+0x108/0x460
[  236.357763]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  236.362524]  ? trace_hardirqs_off+0xb8/0x310
[  236.366930]  ? smpboot_thread_fn+0x68b/0xa00
[  236.371332]  ? trace_hardirqs_on+0x310/0x310
[  236.375741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.381273]  ? check_preemption_disabled+0x48/0x280
[  236.386289]  ? takeover_tasklets+0xa90/0xa90
[  236.390698]  run_ksoftirqd+0x5e/0x100
[  236.394500]  smpboot_thread_fn+0x68b/0xa00
[  236.398740]  ? sort_range+0x30/0x30
[  236.402360]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  236.407458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.412994]  ? __kthread_parkme+0xfb/0x1a0
[  236.417226]  ? sort_range+0x30/0x30
[  236.420848]  kthread+0x35a/0x440
[  236.424209]  ? kthread_stop+0x900/0x900
[  236.428178]  ret_from_fork+0x3a/0x50
[  236.431896] warn_alloc_show_mem: 1 callbacks suppressed
[  236.431905] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  236.431907] Mem-Info:
[  236.431936] active_anon:52607 inactive_anon:182 isolated_anon:0
[  236.431936]  active_file:12 inactive_file:11 isolated_file:0
[  236.431936]  unevictable:0 dirty:0 writeback:0 unstable:0
[  236.431936]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  236.431936]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  236.431936]  free:13782 free_pcp:358 free_cma:0
[  236.437268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  236.444201] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  236.446577] Call Trace:
[  236.479433] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  236.488774]  <IRQ>
[  236.516238] lowmem_reserve[]: 0 2818 6321 6321
[  236.518817]  dump_stack+0x244/0x39d
[  236.544891] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  236.547038]  ? dump_stack_print_info.cold.1+0x20/0x20
[  236.551586] lowmem_reserve[]: 0 0 3503 3503
[  236.555216]  warn_alloc.cold.116+0xb7/0x1bd
[  236.582845] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  236.588023]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  236.592310] lowmem_reserve[]: 0 0 0 0
[  236.596622]  ? lock_downgrade+0x900/0x900
[  236.625561] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  236.630400]  ? trace_hardirqs_off+0xb8/0x310
[  236.634168] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  236.638311]  ? trace_hardirqs_off+0xb8/0x310
[  236.651807] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  236.656220]  __alloc_pages_slowpath+0x26e8/0x2e10
[  236.671365] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  236.675778]  ? warn_alloc+0x120/0x120
[  236.690652] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  236.695474]  ? print_usage_bug+0xc0/0xc0
[  236.704277] 266 total pagecache pages
[  236.708065]  ? warn_alloc+0x120/0x120
[  236.716880] 0 pages in swap cache
[  236.720927]  ? warn_alloc+0x120/0x120
[  236.724700] Swap cache stats: add 0, delete 0, find 0/0
[  236.728481]  ? print_usage_bug+0xc0/0xc0
[  236.731905] Free swap  = 0kB
[  236.735694]  ? print_usage_bug+0xc0/0xc0
[  236.741026] Total swap = 0kB
[  236.741034] 1965979 pages RAM
[  236.745082]  ? __lock_acquire+0x62f/0x4c20
[  236.748072] 0 pages HighMem/MovableOnly
[  236.752121]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.755108] 342854 pages reserved
[  236.758206]  ? should_fail+0x22d/0xd01
[  236.762409] 0 pages cma reserved
[  236.766369]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.771937] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  236.775315]  ? __lock_acquire+0x62f/0x4c20
[  236.775331]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.775342]  ? __lock_acquire+0x62f/0x4c20
[  236.775356]  ? should_fail+0x22d/0xd01
[  236.779264] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  236.782578]  ? mark_held_locks+0x130/0x130
[  236.787651] ksoftirqd/0 cpuset=/ mems_allowed=0
[  236.794131]  ? mark_held_locks+0x130/0x130
[  236.834885]  ? zap_class+0x640/0x640
[  236.838601]  ? zap_class+0x640/0x640
[  236.842313]  ? print_usage_bug+0xc0/0xc0
[  236.846367]  ? wq_watchdog_touch+0x9c/0xfe
[  236.850600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.856143]  ? check_preemption_disabled+0x48/0x280
[  236.861172]  ? __lock_is_held+0xb5/0x140
[  236.865233]  __alloc_pages_nodemask+0xa80/0xde0
[  236.869896]  ? zap_class+0x640/0x640
[  236.873607]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  236.878643]  ? find_held_lock+0x36/0x1c0
[  236.882710]  ? ____cache_alloc_node+0x1c7/0x1e0
[  236.887374]  ? lock_downgrade+0x900/0x900
[  236.891521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.897059]  cache_grow_begin+0xa5/0x8c0
[  236.901204]  ? do_raw_spin_unlock+0xa7/0x330
[  236.905614]  fallback_alloc+0x204/0x2e0
[  236.909597]  ____cache_alloc_node+0x1c7/0x1e0
[  236.914095]  kmem_cache_alloc_node+0xe3/0x730
[  236.918587]  ? ipv6_get_ifaddr+0x42e/0x620
[  236.922825]  __alloc_skb+0x119/0x770
[  236.926535]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.931813]  ? netdev_alloc_frag+0x1f0/0x1f0
[  236.936218]  ? lock_downgrade+0x900/0x900
[  236.940370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.945910]  ? refcount_sub_and_test_checked+0x203/0x310
[  236.951357]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  236.956803]  ? addrconf_rs_timer+0x690/0x690
[  236.961214]  ndisc_alloc_skb+0x144/0x340
[  236.965274]  ndisc_send_rs+0x331/0x6e0
[  236.969167]  addrconf_rs_timer+0x314/0x690
[  236.973403]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.977649]  call_timer_fn+0x272/0x920
[  236.981529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.985756]  ? process_timeout+0x40/0x40
[  236.989820]  ? mark_held_locks+0xc7/0x130
[  236.993963]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.998450]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.002936]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.007174]  ? lockdep_hardirqs_on+0x296/0x5b0
[  237.011771]  ? trace_hardirqs_on+0xbd/0x310
[  237.016091]  ? kasan_check_read+0x11/0x20
[  237.020242]  ? __run_timers+0x7da/0xc70
[  237.024214]  ? trace_hardirqs_off_caller+0x310/0x310
[  237.029324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.033555]  __run_timers+0x7e5/0xc70
[  237.037359]  ? timer_fixup_init+0x70/0x70
[  237.041503]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  237.046518]  ? zap_class+0x640/0x640
[  237.050230]  ? print_usage_bug+0xc0/0xc0
[  237.054291]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  237.059480]  ? find_held_lock+0x36/0x1c0
[  237.063539]  ? zap_class+0x640/0x640
[  237.067251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.072784]  ? check_preemption_disabled+0x48/0x280
[  237.077805]  ? __lock_is_held+0xb5/0x140
[  237.081861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.087392]  ? check_preemption_disabled+0x48/0x280
[  237.092409]  run_timer_softirq+0x52/0xb0
[  237.096465]  ? rcu_read_lock_sched_held+0x14f/0x180
[  237.101477]  __do_softirq+0x308/0xb7e
[  237.105274]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  237.109762]  ? lock_downgrade+0x900/0x900
[  237.113907]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  237.119009]  ? pvclock_read_flags+0x160/0x160
[  237.123505]  ? lapic_next_event+0x5a/0x90
[  237.127651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.133189]  ? kvm_clock_read+0x18/0x30
[  237.137163]  ? kvm_sched_clock_read+0x9/0x20
[  237.141570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.147101]  ? check_preemption_disabled+0x48/0x280
[  237.152123]  irq_exit+0x17f/0x1c0
[  237.155578]  smp_apic_timer_interrupt+0x1cb/0x760
[  237.160420]  ? smp_reschedule_interrupt+0x109/0x650
[  237.165434]  ? smp_call_function_single_interrupt+0x650/0x650
[  237.171312]  ? interrupt_entry+0xb5/0xc0
[  237.175367]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.180376]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.185386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.190226]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.195236]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.200245]  ? task_prio+0x50/0x50
[  237.203782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.209318]  ? check_preemption_disabled+0x48/0x280
[  237.214332]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.219180]  apic_timer_interrupt+0xf/0x20
[  237.223413]  </IRQ>
[  237.225645] RIP: 0010:lock_is_held_type+0x18b/0x210
[  237.230659] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  237.249551] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  237.257256] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  237.264518] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  237.271784] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  237.279046] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  237.286308] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  237.293606]  rcu_read_lock_held+0xa9/0xc0
[  237.297753]  css_next_child+0x2a2/0x620
[  237.301733]  ? cgroup_mount+0xd30/0xd30
[  237.305709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.311240]  ? check_preemption_disabled+0x48/0x280
[  237.316260]  ? __lock_is_held+0xb5/0x140
[  237.320326]  css_next_descendant_pre+0xeb/0x190
[  237.324991]  mem_cgroup_iter+0x42f/0x1160
[  237.329138]  ? kasan_check_write+0x14/0x20
[  237.333378]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  237.338130]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  237.343146]  ? shrink_slab+0xfa/0x8c0
[  237.346939]  ? shrink_active_list+0x1f00/0x1f00
[  237.351615]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  237.357237]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  237.362343]  ? cgroup_procs_write_finish+0xf0/0xf0
[  237.367276]  ? find_held_lock+0x36/0x1c0
[  237.371331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.376862]  ? vmpressure+0x1a2/0x340
[  237.380664]  shrink_node+0x516/0x16b0
[  237.384458]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  237.389749]  ? shrink_node_memcg+0x18f0/0x18f0
[  237.394328]  ? kvm_clock_read+0x18/0x30
[  237.398299]  ? ktime_get+0x2c1/0x400
[  237.402011]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  237.406503]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.412040]  ? __cpuset_node_allowed+0x19b/0x660
[  237.416792]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  237.422500]  ? delayacct_end+0x5a/0x100
[  237.426475]  do_try_to_free_pages+0x3e7/0x1290
[  237.431050]  ? zap_class+0x640/0x640
[  237.434774]  ? shrink_node+0x16b0/0x16b0
[  237.438831]  ? __lock_is_held+0xb5/0x140
[  237.442905]  try_to_free_pages+0x4d0/0xb90
[  237.447142]  ? do_try_to_free_pages+0x1290/0x1290
[  237.451993]  ? lock_acquire+0x1ed/0x520
[  237.455964]  ? set_page_refcounted+0x280/0x280
[  237.460548]  ? lock_release+0xa00/0xa00
[  237.464525]  ? _raw_spin_unlock_irq+0x60/0x80
[  237.469017]  ? psi_memstall_enter+0x240/0x2b0
[  237.473507]  ? psi_memstall_tick+0x230/0x230
[  237.477919]  __alloc_pages_slowpath+0xa14/0x2e10
[  237.482698]  ? warn_alloc+0x120/0x120
[  237.486491]  ? mark_held_locks+0x130/0x130
[  237.490726]  ? find_get_entry+0xaae/0x1120
[  237.494963]  ? filemap_map_pages+0x1a20/0x1a20
[  237.499544]  ? zap_class+0x640/0x640
[  237.503264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.508796]  ? check_preemption_disabled+0x48/0x280
[  237.513807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.519336]  ? should_fail+0x22d/0xd01
[  237.523222]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.528324]  ? zap_class+0x640/0x640
[  237.532055]  ? __lock_is_held+0xb5/0x140
[  237.536122]  ? mark_held_locks+0x130/0x130
[  237.540359]  ? lock_release+0xa00/0xa00
[  237.544331]  ? perf_trace_sched_process_exec+0x860/0x860
[  237.549781]  ? xa_load+0x2ba/0x460
[  237.553316]  ? lock_downgrade+0x900/0x900
[  237.557465]  ? __might_sleep+0x95/0x190
[  237.561437]  __alloc_pages_nodemask+0xa80/0xde0
[  237.566125]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  237.571137]  ? __page_cache_alloc+0x191/0x5c0
[  237.575626]  ? xa_load+0x2e1/0x460
[  237.579165]  ? xa_clear_mark+0x40/0x40
[  237.583053]  ? zap_class+0x640/0x640
[  237.586766]  ? zap_class+0x640/0x640
[  237.590478]  ? zap_class+0x640/0x640
[  237.594190]  ? __do_page_cache_readahead+0x663/0x810
[  237.599292]  ? find_held_lock+0x36/0x1c0
[  237.603353]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  237.608895]  alloc_pages_current+0x173/0x350
[  237.613304]  __page_cache_alloc+0x38c/0x5c0
[  237.617618]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  237.622545]  ? kasan_check_read+0x11/0x20
[  237.626692]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.631963]  ? generic_perform_write+0x6a0/0x6a0
[  237.636719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.642756]  ? check_preemption_disabled+0x48/0x280
[  237.647779]  filemap_fault+0x1595/0x25f0
[  237.651847]  ? __lock_page_or_retry+0xa00/0xa00
[  237.656518]  ? mark_held_locks+0x130/0x130
[  237.660765]  ? filemap_map_pages+0xd6b/0x1a20
[  237.665256]  ? lock_downgrade+0x900/0x900
[  237.669397]  ? check_preemption_disabled+0x48/0x280
[  237.674411]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  237.679334]  ? kasan_check_read+0x11/0x20
[  237.683476]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.688746]  ? rcu_softirq_qs+0x20/0x20
[  237.692726]  ? filemap_map_pages+0xd92/0x1a20
[  237.697218]  ? print_usage_bug+0xc0/0xc0
[  237.701282]  ? find_get_entries_tag+0x1400/0x1400
[  237.706125]  ? __kasan_slab_free+0x102/0x150
[  237.710526]  ? kasan_slab_free+0xe/0x10
[  237.714504]  ? kmem_cache_free+0x83/0x290
[  237.718646]  ? __sigqueue_free.part.29+0x74/0x90
[  237.723415]  ? lock_acquire+0x1ed/0x520
[  237.727393]  ? ext4_filemap_fault+0x7a/0xad
[  237.731714]  ? lock_release+0xa00/0xa00
[  237.735683]  ? perf_trace_sched_process_exec+0x860/0x860
[  237.741134]  ? print_usage_bug+0xc0/0xc0
[  237.745195]  ? print_usage_bug+0xc0/0xc0
[  237.749266]  ? down_read+0x8d/0x120
[  237.752886]  ? ext4_filemap_fault+0x7a/0xad
[  237.757206]  ? __down_interruptible+0x700/0x700
[  237.761879]  ext4_filemap_fault+0x82/0xad
[  237.766117]  __do_fault+0x100/0x6b0
[  237.769745]  ? pmd_devmap_trans_unstable+0x220/0x220
[  237.774847]  ? mark_held_locks+0x130/0x130
[  237.779077]  ? mark_held_locks+0x130/0x130
[  237.783322]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  237.788856]  ? rcu_pm_notify+0xc0/0xc0
[  237.792747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.798280]  __handle_mm_fault+0x3ea0/0x5be0
[  237.802695]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  237.808037]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.812533]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  237.817120]  ? trace_hardirqs_on+0xbd/0x310
[  237.821438]  ? kasan_check_read+0x11/0x20
[  237.825583]  ? __set_current_blocked+0xdf/0x120
[  237.830248]  ? trace_hardirqs_off_caller+0x310/0x310
[  237.835360]  ? zap_class+0x640/0x640
[  237.839066]  ? zap_class+0x640/0x640
[  237.842782]  ? find_held_lock+0x36/0x1c0
[  237.846857]  ? handle_mm_fault+0x42a/0xc70
[  237.851091]  ? lock_downgrade+0x900/0x900
[  237.855236]  ? check_preemption_disabled+0x48/0x280
[  237.860251]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  237.865174]  ? kasan_check_read+0x11/0x20
[  237.869316]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.874587]  ? rcu_softirq_qs+0x20/0x20
[  237.878560]  ? trace_hardirqs_off_caller+0x310/0x310
[  237.883663]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.889197]  ? check_preemption_disabled+0x48/0x280
[  237.894213]  handle_mm_fault+0x54f/0xc70
[  237.898276]  ? __handle_mm_fault+0x5be0/0x5be0
[  237.902855]  ? find_vma+0x34/0x190
[  237.906402]  __do_page_fault+0x5e8/0xe60
[  237.910462]  ? exit_to_usermode_loop+0x1f4/0x380
[  237.915223]  do_page_fault+0xf2/0x7e0
[  237.919019]  ? vmalloc_sync_all+0x30/0x30
[  237.923161]  ? error_entry+0x70/0xd0
[  237.926877]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.931885]  ? trace_hardirqs_on_caller+0xc0/0x310
[  237.936821]  ? syscall_return_slowpath+0x5e0/0x5e0
[  237.941745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.946583]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.951595]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  237.957050]  ? prepare_exit_to_usermode+0x291/0x3b0
[  237.962062]  ? page_fault+0x8/0x30
[  237.965614]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.970454]  ? page_fault+0x8/0x30
[  237.973989]  page_fault+0x1e/0x30
[  237.977435] RIP: 0033:0x45db60
[  237.980633] Code: Bad RIP value.
[  237.983989] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  237.989344] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  237.996610] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  238.003870] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  238.011141] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  238.018402] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  238.025690] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  238.025749] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  238.032437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  238.032441] Call Trace:
[  238.032459]  dump_stack+0x244/0x39d
[  238.032479]  ? dump_stack_print_info.cold.1+0x20/0x20
[  238.038992] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  238.048299]  warn_alloc.cold.116+0xb7/0x1bd
[  238.050846] syz-fuzzer cpuset=/ mems_allowed=0
[  238.054463]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  238.083537]  ? lock_downgrade+0x900/0x900
[  238.087690]  ? trace_hardirqs_off+0xb8/0x310
[  238.092097]  ? trace_hardirqs_off+0xb8/0x310
[  238.096506]  __alloc_pages_slowpath+0x26e8/0x2e10
[  238.101377]  ? warn_alloc+0x120/0x120
[  238.105174]  ? print_usage_bug+0xc0/0xc0
[  238.109230]  ? warn_alloc+0x120/0x120
[  238.113028]  ? warn_alloc+0x120/0x120
[  238.116825]  ? print_usage_bug+0xc0/0xc0
[  238.120887]  ? print_usage_bug+0xc0/0xc0
[  238.124943]  ? __lock_acquire+0x62f/0x4c20
[  238.129180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.134716]  ? should_fail+0x22d/0xd01
[  238.138622]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.143719]  ? __lock_acquire+0x62f/0x4c20
[  238.147959]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.153054]  ? __lock_acquire+0x62f/0x4c20
[  238.157279]  ? should_fail+0x22d/0xd01
[  238.161164]  ? find_held_lock+0x36/0x1c0
[  238.165230]  ? mark_held_locks+0x130/0x130
[  238.169463]  ? mark_held_locks+0x130/0x130
[  238.173691]  ? zap_class+0x640/0x640
[  238.177398]  ? zap_class+0x640/0x640
[  238.181114]  ? print_usage_bug+0xc0/0xc0
[  238.185168]  ? do_raw_spin_unlock+0xa7/0x330
[  238.189576]  ? zap_class+0x640/0x640
[  238.193284]  ? print_usage_bug+0xc0/0xc0
[  238.197338]  ? wq_watchdog_touch+0x9c/0xfe
[  238.201577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.207110]  ? check_preemption_disabled+0x48/0x280
[  238.212129]  ? __lock_is_held+0xb5/0x140
[  238.216193]  __alloc_pages_nodemask+0xa80/0xde0
[  238.220857]  ? zap_class+0x640/0x640
[  238.224578]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  238.229599]  ? find_held_lock+0x36/0x1c0
[  238.233665]  ? ____cache_alloc_node+0x1c7/0x1e0
[  238.238333]  ? lock_downgrade+0x900/0x900
[  238.242486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.248029]  cache_grow_begin+0xa5/0x8c0
[  238.252084]  ? do_raw_spin_unlock+0xa7/0x330
[  238.256494]  fallback_alloc+0x204/0x2e0
[  238.260483]  ____cache_alloc_node+0x1c7/0x1e0
[  238.264991]  kmem_cache_alloc_node+0xe3/0x730
[  238.269485]  ? ipv6_get_ifaddr+0x42e/0x620
[  238.273731]  __alloc_skb+0x119/0x770
[  238.277438]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.282714]  ? netdev_alloc_frag+0x1f0/0x1f0
[  238.287120]  ? lock_downgrade+0x900/0x900
[  238.291269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.297331]  ? refcount_sub_and_test_checked+0x203/0x310
[  238.302778]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  238.308223]  ? addrconf_rs_timer+0x690/0x690
[  238.312639]  ndisc_alloc_skb+0x144/0x340
[  238.316703]  ndisc_send_rs+0x331/0x6e0
[  238.320590]  addrconf_rs_timer+0x314/0x690
[  238.324824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.329063]  call_timer_fn+0x272/0x920
[  238.332944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.337172]  ? process_timeout+0x40/0x40
[  238.341238]  ? __run_timers+0x7da/0xc70
[  238.345210]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.349699]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.354188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.358416]  ? lockdep_hardirqs_on+0x296/0x5b0
[  238.363001]  ? trace_hardirqs_on+0xbd/0x310
[  238.367321]  ? kasan_check_read+0x11/0x20
[  238.371461]  ? __run_timers+0x7da/0xc70
[  238.375433]  ? trace_hardirqs_off_caller+0x310/0x310
[  238.380540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.384777]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.389010]  __run_timers+0x7e5/0xc70
[  238.393072]  ? timer_fixup_init+0x70/0x70
[  238.397213]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.401704]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.406197]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  238.410777]  ? trace_hardirqs_on+0xbd/0x310
[  238.415101]  ? kasan_check_read+0x11/0x20
[  238.419247]  ? finish_task_switch+0x1f4/0x910
[  238.423738]  ? trace_hardirqs_off_caller+0x310/0x310
[  238.428839]  ? compat_start_thread+0x80/0x80
[  238.433268]  ? pvclock_read_flags+0x160/0x160
[  238.437754]  ? __switch_to_asm+0x34/0x70
[  238.441811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.447343]  ? check_preemption_disabled+0x48/0x280
[  238.452370]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  238.457906]  ? rcu_pm_notify+0xc0/0xc0
[  238.461789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.467322]  ? check_preemption_disabled+0x48/0x280
[  238.472339]  run_timer_softirq+0x52/0xb0
[  238.476397]  ? rcu_read_lock_sched_held+0x14f/0x180
[  238.481408]  __do_softirq+0x308/0xb7e
[  238.485211]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  238.490307]  ? smpboot_thread_fn+0x334/0xa00
[  238.494717]  ? schedule+0x108/0x460
[  238.498340]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  238.503099]  ? trace_hardirqs_off+0xb8/0x310
[  238.507511]  ? smpboot_thread_fn+0x68b/0xa00
[  238.511917]  ? trace_hardirqs_on+0x310/0x310
[  238.516323]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.521857]  ? check_preemption_disabled+0x48/0x280
[  238.526868]  ? takeover_tasklets+0xa90/0xa90
[  238.531271]  run_ksoftirqd+0x5e/0x100
[  238.535066]  smpboot_thread_fn+0x68b/0xa00
[  238.539299]  ? sort_range+0x30/0x30
[  238.542923]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  238.548019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.553553]  ? __kthread_parkme+0xfb/0x1a0
[  238.557784]  ? sort_range+0x30/0x30
[  238.561410]  kthread+0x35a/0x440
[  238.564771]  ? kthread_stop+0x900/0x900
[  238.568741]  ret_from_fork+0x3a/0x50
[  238.572461] warn_alloc_show_mem: 1 callbacks suppressed
[  238.572471] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  238.572472] Mem-Info:
[  238.572510] active_anon:52607 inactive_anon:182 isolated_anon:0
[  238.572510]  active_file:12 inactive_file:11 isolated_file:0
[  238.572510]  unevictable:0 dirty:0 writeback:0 unstable:0
[  238.572510]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  238.572510]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  238.572510]  free:13782 free_pcp:358 free_cma:0
[  238.577840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  238.584764] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  238.587153] Call Trace:
[  238.620011] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  238.629354]  <IRQ>
[  238.656824] lowmem_reserve[]: 0 2818 6321 6321
[  238.659398]  dump_stack+0x244/0x39d
[  238.685489] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  238.687634]  ? dump_stack_print_info.cold.1+0x20/0x20
[  238.692177] lowmem_reserve[]: 0 0 3503 3503
[  238.695995]  warn_alloc.cold.116+0xb7/0x1bd
[  238.723632] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  238.728816]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  238.733102] lowmem_reserve[]: 0 0 0 0
[  238.737423]  ? lock_downgrade+0x900/0x900
[  238.766462] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  238.771308]  ? trace_hardirqs_off+0xb8/0x310
[  238.775080] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  238.779217]  ? trace_hardirqs_off+0xb8/0x310
[  238.792718] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  238.797125]  __alloc_pages_slowpath+0x26e8/0x2e10
[  238.812269] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  238.816684]  ? warn_alloc+0x120/0x120
[  238.831578] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  238.836409]  ? print_usage_bug+0xc0/0xc0
[  238.845216] 266 total pagecache pages
[  238.849009]  ? warn_alloc+0x120/0x120
[  238.857560] 0 pages in swap cache
[  238.861609]  ? warn_alloc+0x120/0x120
[  238.865384] Swap cache stats: add 0, delete 0, find 0/0
[  238.869170]  ? print_usage_bug+0xc0/0xc0
[  238.872592] Free swap  = 0kB
[  238.876383]  ? print_usage_bug+0xc0/0xc0
[  238.882064] Total swap = 0kB
[  238.886109]  ? __lock_acquire+0x62f/0x4c20
[  238.889097] 1965979 pages RAM
[  238.893145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.896134] 0 pages HighMem/MovableOnly
[  238.900353]  ? should_fail+0x22d/0xd01
[  238.903435] 342854 pages reserved
[  238.908966]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.912909] 0 pages cma reserved
[  238.916781]  ? __lock_acquire+0x62f/0x4c20
[  238.920263] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  238.925295]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.925307]  ? __lock_acquire+0x62f/0x4c20
[  238.925321]  ? should_fail+0x22d/0xd01
[  238.928707] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  238.932882]  ? find_held_lock+0x36/0x1c0
[  238.939346] ksoftirqd/0 cpuset=/ mems_allowed=0
[  238.944438]  ? mark_held_locks+0x130/0x130
[  238.975721]  ? mark_held_locks+0x130/0x130
[  238.979948]  ? zap_class+0x640/0x640
[  238.983659]  ? zap_class+0x640/0x640
[  238.987371]  ? print_usage_bug+0xc0/0xc0
[  238.991423]  ? do_raw_spin_unlock+0xa7/0x330
[  238.995836]  ? zap_class+0x640/0x640
[  238.999548]  ? print_usage_bug+0xc0/0xc0
[  239.003616]  ? wq_watchdog_touch+0x9c/0xfe
[  239.007854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.013388]  ? check_preemption_disabled+0x48/0x280
[  239.018412]  ? __lock_is_held+0xb5/0x140
[  239.022478]  __alloc_pages_nodemask+0xa80/0xde0
[  239.027146]  ? zap_class+0x640/0x640
[  239.030858]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  239.035881]  ? find_held_lock+0x36/0x1c0
[  239.039946]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.044613]  ? lock_downgrade+0x900/0x900
[  239.048763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.054298]  cache_grow_begin+0xa5/0x8c0
[  239.058350]  ? do_raw_spin_unlock+0xa7/0x330
[  239.062761]  fallback_alloc+0x204/0x2e0
[  239.066735]  ____cache_alloc_node+0x1c7/0x1e0
[  239.071229]  kmem_cache_alloc_node+0xe3/0x730
[  239.075718]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.079957]  __alloc_skb+0x119/0x770
[  239.083665]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.088941]  ? netdev_alloc_frag+0x1f0/0x1f0
[  239.093347]  ? lock_downgrade+0x900/0x900
[  239.097499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.103036]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.108495]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.113940]  ? addrconf_rs_timer+0x690/0x690
[  239.118354]  ndisc_alloc_skb+0x144/0x340
[  239.122412]  ndisc_send_rs+0x331/0x6e0
[  239.126306]  addrconf_rs_timer+0x314/0x690
[  239.130538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.134780]  call_timer_fn+0x272/0x920
[  239.138664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.142894]  ? process_timeout+0x40/0x40
[  239.146957]  ? mark_held_locks+0xc7/0x130
[  239.151104]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.155593]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.160082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.164311]  ? lockdep_hardirqs_on+0x296/0x5b0
[  239.168893]  ? trace_hardirqs_on+0xbd/0x310
[  239.173210]  ? kasan_check_read+0x11/0x20
[  239.177348]  ? __run_timers+0x7da/0xc70
[  239.181331]  ? trace_hardirqs_off_caller+0x310/0x310
[  239.186443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.190687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.194913]  __run_timers+0x7e5/0xc70
[  239.198717]  ? timer_fixup_init+0x70/0x70
[  239.202862]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  239.207885]  ? zap_class+0x640/0x640
[  239.211599]  ? print_usage_bug+0xc0/0xc0
[  239.215659]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  239.220861]  ? find_held_lock+0x36/0x1c0
[  239.224923]  ? zap_class+0x640/0x640
[  239.228637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.234173]  ? check_preemption_disabled+0x48/0x280
[  239.239197]  ? __lock_is_held+0xb5/0x140
[  239.243255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.248886]  ? check_preemption_disabled+0x48/0x280
[  239.253906]  run_timer_softirq+0x52/0xb0
[  239.257971]  ? rcu_read_lock_sched_held+0x14f/0x180
[  239.262987]  __do_softirq+0x308/0xb7e
[  239.266801]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  239.271291]  ? lock_downgrade+0x900/0x900
[  239.275447]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  239.280559]  ? pvclock_read_flags+0x160/0x160
[  239.285055]  ? lapic_next_event+0x5a/0x90
[  239.289198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.294742]  ? kvm_clock_read+0x18/0x30
[  239.298708]  ? kvm_sched_clock_read+0x9/0x20
[  239.303112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.308650]  ? check_preemption_disabled+0x48/0x280
[  239.313673]  irq_exit+0x17f/0x1c0
[  239.317122]  smp_apic_timer_interrupt+0x1cb/0x760
[  239.321962]  ? smp_reschedule_interrupt+0x109/0x650
[  239.327003]  ? smp_call_function_single_interrupt+0x650/0x650
[  239.332883]  ? interrupt_entry+0xb5/0xc0
[  239.336942]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.341962]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.346975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.351813]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.356823]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.361832]  ? task_prio+0x50/0x50
[  239.365369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.370899]  ? check_preemption_disabled+0x48/0x280
[  239.375914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.380759]  apic_timer_interrupt+0xf/0x20
[  239.384987]  </IRQ>
[  239.387224] RIP: 0010:lock_is_held_type+0x18b/0x210
[  239.392234] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  239.411129] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  239.418829] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  239.426108] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  239.433370] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  239.440636] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  239.447905] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  239.455199]  rcu_read_lock_held+0xa9/0xc0
[  239.459343]  css_next_child+0x2a2/0x620
[  239.463317]  ? cgroup_mount+0xd30/0xd30
[  239.467290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.472821]  ? check_preemption_disabled+0x48/0x280
[  239.477845]  ? __lock_is_held+0xb5/0x140
[  239.481911]  css_next_descendant_pre+0xeb/0x190
[  239.486581]  mem_cgroup_iter+0x42f/0x1160
[  239.490727]  ? kasan_check_write+0x14/0x20
[  239.494979]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  239.499729]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  239.504745]  ? shrink_slab+0xfa/0x8c0
[  239.508543]  ? shrink_active_list+0x1f00/0x1f00
[  239.513215]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  239.518836]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  239.523942]  ? cgroup_procs_write_finish+0xf0/0xf0
[  239.528874]  ? find_held_lock+0x36/0x1c0
[  239.532930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.538467]  ? vmpressure+0x1a2/0x340
[  239.542272]  shrink_node+0x516/0x16b0
[  239.546066]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  239.551363]  ? shrink_node_memcg+0x18f0/0x18f0
[  239.555947]  ? kvm_clock_read+0x18/0x30
[  239.559916]  ? ktime_get+0x2c1/0x400
[  239.563632]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  239.568123]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  239.573655]  ? __cpuset_node_allowed+0x19b/0x660
[  239.578419]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  239.584125]  ? delayacct_end+0x5a/0x100
[  239.588101]  do_try_to_free_pages+0x3e7/0x1290
[  239.592679]  ? zap_class+0x640/0x640
[  239.596408]  ? shrink_node+0x16b0/0x16b0
[  239.600466]  ? __lock_is_held+0xb5/0x140
[  239.604535]  try_to_free_pages+0x4d0/0xb90
[  239.608780]  ? do_try_to_free_pages+0x1290/0x1290
[  239.613628]  ? lock_acquire+0x1ed/0x520
[  239.617600]  ? set_page_refcounted+0x280/0x280
[  239.622181]  ? lock_release+0xa00/0xa00
[  239.626151]  ? _raw_spin_unlock_irq+0x60/0x80
[  239.630643]  ? psi_memstall_enter+0x240/0x2b0
[  239.635220]  ? psi_memstall_tick+0x230/0x230
[  239.639935]  __alloc_pages_slowpath+0xa14/0x2e10
[  239.644713]  ? warn_alloc+0x120/0x120
[  239.648507]  ? mark_held_locks+0x130/0x130
[  239.652745]  ? find_get_entry+0xaae/0x1120
[  239.656982]  ? filemap_map_pages+0x1a20/0x1a20
[  239.661561]  ? zap_class+0x640/0x640
[  239.665274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.670806]  ? check_preemption_disabled+0x48/0x280
[  239.675817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.681347]  ? should_fail+0x22d/0xd01
[  239.685246]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.690348]  ? zap_class+0x640/0x640
[  239.694079]  ? __lock_is_held+0xb5/0x140
[  239.698165]  ? mark_held_locks+0x130/0x130
[  239.702404]  ? lock_release+0xa00/0xa00
[  239.706373]  ? perf_trace_sched_process_exec+0x860/0x860
[  239.711828]  ? xa_load+0x2ba/0x460
[  239.715368]  ? lock_downgrade+0x900/0x900
[  239.719525]  ? __might_sleep+0x95/0x190
[  239.723500]  __alloc_pages_nodemask+0xa80/0xde0
[  239.728173]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  239.733185]  ? __page_cache_alloc+0x191/0x5c0
[  239.737675]  ? xa_load+0x2e1/0x460
[  239.741215]  ? xa_clear_mark+0x40/0x40
[  239.745099]  ? zap_class+0x640/0x640
[  239.748816]  ? zap_class+0x640/0x640
[  239.752523]  ? zap_class+0x640/0x640
[  239.756326]  ? __do_page_cache_readahead+0x663/0x810
[  239.761431]  ? find_held_lock+0x36/0x1c0
[  239.765493]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  239.771033]  alloc_pages_current+0x173/0x350
[  239.775441]  __page_cache_alloc+0x38c/0x5c0
[  239.779753]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  239.784685]  ? kasan_check_read+0x11/0x20
[  239.788830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.794114]  ? generic_perform_write+0x6a0/0x6a0
[  239.798864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.804406]  ? check_preemption_disabled+0x48/0x280
[  239.809955]  filemap_fault+0x1595/0x25f0
[  239.814027]  ? __lock_page_or_retry+0xa00/0xa00
[  239.818693]  ? mark_held_locks+0x130/0x130
[  239.822935]  ? filemap_map_pages+0xd6b/0x1a20
[  239.827428]  ? lock_downgrade+0x900/0x900
[  239.831571]  ? check_preemption_disabled+0x48/0x280
[  239.836587]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  239.841510]  ? kasan_check_read+0x11/0x20
[  239.845656]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.850940]  ? rcu_softirq_qs+0x20/0x20
[  239.854928]  ? filemap_map_pages+0xd92/0x1a20
[  239.859423]  ? print_usage_bug+0xc0/0xc0
[  239.863498]  ? find_get_entries_tag+0x1400/0x1400
[  239.868336]  ? __kasan_slab_free+0x102/0x150
[  239.872737]  ? kasan_slab_free+0xe/0x10
[  239.876708]  ? kmem_cache_free+0x83/0x290
[  239.880853]  ? __sigqueue_free.part.29+0x74/0x90
[  239.885622]  ? lock_acquire+0x1ed/0x520
[  239.889600]  ? ext4_filemap_fault+0x7a/0xad
[  239.893930]  ? lock_release+0xa00/0xa00
[  239.897902]  ? perf_trace_sched_process_exec+0x860/0x860
[  239.903350]  ? print_usage_bug+0xc0/0xc0
[  239.907411]  ? print_usage_bug+0xc0/0xc0
[  239.911479]  ? down_read+0x8d/0x120
[  239.915101]  ? ext4_filemap_fault+0x7a/0xad
[  239.919416]  ? __down_interruptible+0x700/0x700
[  239.924093]  ext4_filemap_fault+0x82/0xad
[  239.928237]  __do_fault+0x100/0x6b0
[  239.931867]  ? pmd_devmap_trans_unstable+0x220/0x220
[  239.936965]  ? mark_held_locks+0x130/0x130
[  239.941196]  ? mark_held_locks+0x130/0x130
[  239.945428]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  239.950959]  ? rcu_pm_notify+0xc0/0xc0
[  239.954847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.960390]  __handle_mm_fault+0x3ea0/0x5be0
[  239.964810]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  239.969645]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.974134]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  239.978711]  ? trace_hardirqs_on+0xbd/0x310
[  239.983024]  ? kasan_check_read+0x11/0x20
[  239.987163]  ? __set_current_blocked+0xdf/0x120
[  239.991829]  ? trace_hardirqs_off_caller+0x310/0x310
[  239.996941]  ? zap_class+0x640/0x640
[  240.000650]  ? zap_class+0x640/0x640
[  240.004370]  ? find_held_lock+0x36/0x1c0
[  240.008443]  ? handle_mm_fault+0x42a/0xc70
[  240.012674]  ? lock_downgrade+0x900/0x900
[  240.017355]  ? check_preemption_disabled+0x48/0x280
[  240.022385]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  240.027308]  ? kasan_check_read+0x11/0x20
[  240.031448]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.036719]  ? rcu_softirq_qs+0x20/0x20
[  240.040686]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.045788]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.051320]  ? check_preemption_disabled+0x48/0x280
[  240.056338]  handle_mm_fault+0x54f/0xc70
[  240.060402]  ? __handle_mm_fault+0x5be0/0x5be0
[  240.064986]  ? find_vma+0x34/0x190
[  240.068533]  __do_page_fault+0x5e8/0xe60
[  240.072591]  ? exit_to_usermode_loop+0x1f4/0x380
[  240.077349]  do_page_fault+0xf2/0x7e0
[  240.081157]  ? vmalloc_sync_all+0x30/0x30
[  240.085303]  ? error_entry+0x70/0xd0
[  240.089017]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.094026]  ? trace_hardirqs_on_caller+0xc0/0x310
[  240.098951]  ? syscall_return_slowpath+0x5e0/0x5e0
[  240.103874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.108713]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.113725]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.119174]  ? prepare_exit_to_usermode+0x291/0x3b0
[  240.124183]  ? page_fault+0x8/0x30
[  240.127732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.132570]  ? page_fault+0x8/0x30
[  240.136103]  page_fault+0x1e/0x30
[  240.139553] RIP: 0033:0x45db60
[  240.142760] Code: Bad RIP value.
[  240.146115] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  240.151471] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  240.158731] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  240.165992] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  240.173254] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  240.180519] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  240.187808] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  240.187868] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  240.194556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  240.194560] Call Trace:
[  240.194577]  dump_stack+0x244/0x39d
[  240.194597]  ? dump_stack_print_info.cold.1+0x20/0x20
[  240.201106] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  240.210415]  warn_alloc.cold.116+0xb7/0x1bd
[  240.212967] syz-fuzzer cpuset=/ mems_allowed=0
[  240.216589]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  240.245651]  ? lock_downgrade+0x900/0x900
[  240.249799]  ? trace_hardirqs_off+0xb8/0x310
[  240.254209]  ? trace_hardirqs_off+0xb8/0x310
[  240.258626]  __alloc_pages_slowpath+0x26e8/0x2e10
[  240.263489]  ? warn_alloc+0x120/0x120
[  240.267285]  ? print_usage_bug+0xc0/0xc0
[  240.271354]  ? warn_alloc+0x120/0x120
[  240.275159]  ? warn_alloc+0x120/0x120
[  240.278957]  ? print_usage_bug+0xc0/0xc0
[  240.283015]  ? print_usage_bug+0xc0/0xc0
[  240.287069]  ? __lock_acquire+0x62f/0x4c20
[  240.291306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.296844]  ? should_fail+0x22d/0xd01
[  240.300729]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.305826]  ? __lock_acquire+0x62f/0x4c20
[  240.310064]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.315163]  ? __lock_acquire+0x62f/0x4c20
[  240.319393]  ? should_fail+0x22d/0xd01
[  240.323275]  ? find_held_lock+0x36/0x1c0
[  240.327347]  ? mark_held_locks+0x130/0x130
[  240.331583]  ? mark_held_locks+0x130/0x130
[  240.335808]  ? zap_class+0x640/0x640
[  240.339517]  ? zap_class+0x640/0x640
[  240.343227]  ? print_usage_bug+0xc0/0xc0
[  240.347281]  ? do_raw_spin_unlock+0xa7/0x330
[  240.351683]  ? zap_class+0x640/0x640
[  240.355398]  ? print_usage_bug+0xc0/0xc0
[  240.359455]  ? wq_watchdog_touch+0x9c/0xfe
[  240.363688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.369219]  ? check_preemption_disabled+0x48/0x280
[  240.374237]  ? __lock_is_held+0xb5/0x140
[  240.378299]  __alloc_pages_nodemask+0xa80/0xde0
[  240.382973]  ? zap_class+0x640/0x640
[  240.386687]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  240.391710]  ? find_held_lock+0x36/0x1c0
[  240.395773]  ? ____cache_alloc_node+0x1c7/0x1e0
[  240.400439]  ? lock_downgrade+0x900/0x900
[  240.404591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.410126]  cache_grow_begin+0xa5/0x8c0
[  240.414181]  ? do_raw_spin_unlock+0xa7/0x330
[  240.418596]  fallback_alloc+0x204/0x2e0
[  240.422568]  ____cache_alloc_node+0x1c7/0x1e0
[  240.427065]  kmem_cache_alloc_node+0xe3/0x730
[  240.431554]  ? ipv6_get_ifaddr+0x42e/0x620
[  240.435793]  __alloc_skb+0x119/0x770
[  240.439498]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.444770]  ? netdev_alloc_frag+0x1f0/0x1f0
[  240.449174]  ? lock_downgrade+0x900/0x900
[  240.453335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.458870]  ? refcount_sub_and_test_checked+0x203/0x310
[  240.464317]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  240.469773]  ? addrconf_rs_timer+0x690/0x690
[  240.474186]  ndisc_alloc_skb+0x144/0x340
[  240.478248]  ndisc_send_rs+0x331/0x6e0
[  240.482135]  addrconf_rs_timer+0x314/0x690
[  240.486374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.490980]  call_timer_fn+0x272/0x920
[  240.494858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.499087]  ? process_timeout+0x40/0x40
[  240.503150]  ? __run_timers+0x7da/0xc70
[  240.507120]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.511614]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.516108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.520346]  ? lockdep_hardirqs_on+0x296/0x5b0
[  240.524931]  ? trace_hardirqs_on+0xbd/0x310
[  240.529250]  ? kasan_check_read+0x11/0x20
[  240.533398]  ? __run_timers+0x7da/0xc70
[  240.537457]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.542565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.546801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.551034]  __run_timers+0x7e5/0xc70
[  240.554845]  ? timer_fixup_init+0x70/0x70
[  240.558997]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.563487]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.567984]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  240.572565]  ? trace_hardirqs_on+0xbd/0x310
[  240.576911]  ? kasan_check_read+0x11/0x20
[  240.581073]  ? finish_task_switch+0x1f4/0x910
[  240.585575]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.590679]  ? compat_start_thread+0x80/0x80
[  240.595110]  ? pvclock_read_flags+0x160/0x160
[  240.599607]  ? __switch_to_asm+0x34/0x70
[  240.603670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.609209]  ? check_preemption_disabled+0x48/0x280
[  240.614234]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  240.619775]  ? rcu_pm_notify+0xc0/0xc0
[  240.623665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.629206]  ? check_preemption_disabled+0x48/0x280
[  240.634225]  run_timer_softirq+0x52/0xb0
[  240.638300]  ? rcu_read_lock_sched_held+0x14f/0x180
[  240.643352]  __do_softirq+0x308/0xb7e
[  240.647168]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  240.652272]  ? smpboot_thread_fn+0x334/0xa00
[  240.656687]  ? schedule+0x108/0x460
[  240.660325]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  240.665093]  ? trace_hardirqs_off+0xb8/0x310
[  240.669538]  ? smpboot_thread_fn+0x68b/0xa00
[  240.673951]  ? trace_hardirqs_on+0x310/0x310
[  240.678449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.683988]  ? check_preemption_disabled+0x48/0x280
[  240.689003]  ? takeover_tasklets+0xa90/0xa90
[  240.693415]  run_ksoftirqd+0x5e/0x100
[  240.697219]  smpboot_thread_fn+0x68b/0xa00
[  240.701455]  ? sort_range+0x30/0x30
[  240.705087]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.710193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.715729]  ? __kthread_parkme+0xfb/0x1a0
[  240.719969]  ? sort_range+0x30/0x30
[  240.723597]  kthread+0x35a/0x440
[  240.726969]  ? kthread_stop+0x900/0x900
[  240.730945]  ret_from_fork+0x3a/0x50
[  240.734672] warn_alloc_show_mem: 1 callbacks suppressed
[  240.734681] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  240.734683] Mem-Info:
[  240.734717] active_anon:52607 inactive_anon:182 isolated_anon:0
[  240.734717]  active_file:12 inactive_file:11 isolated_file:0
[  240.734717]  unevictable:0 dirty:0 writeback:0 unstable:0
[  240.734717]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  240.734717]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  240.734717]  free:13782 free_pcp:358 free_cma:0
[  240.740061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  240.747023] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  240.749420] Call Trace:
[  240.782285] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  240.791645]  <IRQ>
[  240.819123] lowmem_reserve[]: 0 2818 6321 6321
[  240.821753]  dump_stack+0x244/0x39d
[  240.847832] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  240.849994]  ? dump_stack_print_info.cold.1+0x20/0x20
[  240.854586] lowmem_reserve[]: 0 0 3503 3503
[  240.858219]  warn_alloc.cold.116+0xb7/0x1bd
[  240.885862] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  240.891048]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  240.895344] lowmem_reserve[]: 0 0 0 0
[  240.899662]  ? lock_downgrade+0x900/0x900
[  240.928607] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  240.933451]  ? trace_hardirqs_off+0xb8/0x310
[  240.937225] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  240.941371]  ? trace_hardirqs_off+0xb8/0x310
[  240.954870] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  240.959292]  __alloc_pages_slowpath+0x26e8/0x2e10
[  240.974438] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  240.978863]  ? warn_alloc+0x120/0x120
[  240.993735] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  240.998566]  ? print_usage_bug+0xc0/0xc0
[  241.007382] 266 total pagecache pages
[  241.011205]  ? warn_alloc+0x120/0x120
[  241.019761] 0 pages in swap cache
[  241.023817]  ? warn_alloc+0x120/0x120
[  241.027594] Swap cache stats: add 0, delete 0, find 0/0
[  241.031385]  ? print_usage_bug+0xc0/0xc0
[  241.034818] Free swap  = 0kB
[  241.038613]  ? print_usage_bug+0xc0/0xc0
[  241.043953] Total swap = 0kB
[  241.048005]  ? __lock_acquire+0x62f/0x4c20
[  241.051003] 1965979 pages RAM
[  241.055089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.058080] 0 pages HighMem/MovableOnly
[  241.062324]  ? should_fail+0x22d/0xd01
[  241.065404] 342854 pages reserved
[  241.070932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.074883] 0 pages cma reserved
[  241.078784]  ? __lock_acquire+0x62f/0x4c20
[  241.082282] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  241.087325]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.090724] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  241.094909]  ? __lock_acquire+0x62f/0x4c20
[  241.101377] ksoftirqd/0 cpuset=/ mems_allowed=0
[  241.106472]  ? should_fail+0x22d/0xd01
[  241.106487]  ? find_held_lock+0x36/0x1c0
[  241.133585]  ? mark_held_locks+0x130/0x130
[  241.137837]  ? mark_held_locks+0x130/0x130
[  241.142073]  ? zap_class+0x640/0x640
[  241.145793]  ? zap_class+0x640/0x640
[  241.149516]  ? print_usage_bug+0xc0/0xc0
[  241.153574]  ? do_raw_spin_unlock+0xa7/0x330
[  241.157983]  ? zap_class+0x640/0x640
[  241.161700]  ? print_usage_bug+0xc0/0xc0
[  241.165759]  ? wq_watchdog_touch+0x9c/0xfe
[  241.169999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.175542]  ? check_preemption_disabled+0x48/0x280
[  241.180567]  ? __lock_is_held+0xb5/0x140
[  241.184676]  __alloc_pages_nodemask+0xa80/0xde0
[  241.189349]  ? zap_class+0x640/0x640
[  241.193069]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  241.198094]  ? find_held_lock+0x36/0x1c0
[  241.202165]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.206839]  ? lock_downgrade+0x900/0x900
[  241.210996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.216540]  cache_grow_begin+0xa5/0x8c0
[  241.220603]  ? do_raw_spin_unlock+0xa7/0x330
[  241.225022]  fallback_alloc+0x204/0x2e0
[  241.229003]  ____cache_alloc_node+0x1c7/0x1e0
[  241.233506]  kmem_cache_alloc_node+0xe3/0x730
[  241.238013]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.242269]  __alloc_skb+0x119/0x770
[  241.245988]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.251290]  ? netdev_alloc_frag+0x1f0/0x1f0
[  241.255705]  ? lock_downgrade+0x900/0x900
[  241.259867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.265404]  ? refcount_sub_and_test_checked+0x203/0x310
[  241.270859]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  241.276309]  ? addrconf_rs_timer+0x690/0x690
[  241.280730]  ndisc_alloc_skb+0x144/0x340
[  241.284798]  ndisc_send_rs+0x331/0x6e0
[  241.288692]  addrconf_rs_timer+0x314/0x690
[  241.292930]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.297177]  call_timer_fn+0x272/0x920
[  241.301062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.305297]  ? process_timeout+0x40/0x40
[  241.309378]  ? mark_held_locks+0xc7/0x130
[  241.313530]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.318110]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.322602]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.326839]  ? lockdep_hardirqs_on+0x296/0x5b0
[  241.331428]  ? trace_hardirqs_on+0xbd/0x310
[  241.335751]  ? kasan_check_read+0x11/0x20
[  241.339898]  ? __run_timers+0x7da/0xc70
[  241.343875]  ? trace_hardirqs_off_caller+0x310/0x310
[  241.348983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.353223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.357468]  __run_timers+0x7e5/0xc70
[  241.361293]  ? timer_fixup_init+0x70/0x70
[  241.365445]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  241.370469]  ? zap_class+0x640/0x640
[  241.374186]  ? print_usage_bug+0xc0/0xc0
[  241.378261]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  241.383547]  ? find_held_lock+0x36/0x1c0
[  241.387612]  ? zap_class+0x640/0x640
[  241.391330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.396873]  ? check_preemption_disabled+0x48/0x280
[  241.401945]  ? __lock_is_held+0xb5/0x140
[  241.406007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.411549]  ? check_preemption_disabled+0x48/0x280
[  241.416568]  run_timer_softirq+0x52/0xb0
[  241.420629]  ? rcu_read_lock_sched_held+0x14f/0x180
[  241.425682]  __do_softirq+0x308/0xb7e
[  241.429492]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  241.433990]  ? lock_downgrade+0x900/0x900
[  241.438142]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  241.443264]  ? pvclock_read_flags+0x160/0x160
[  241.447761]  ? lapic_next_event+0x5a/0x90
[  241.451913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.457461]  ? kvm_clock_read+0x18/0x30
[  241.461440]  ? kvm_sched_clock_read+0x9/0x20
[  241.465854]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.471393]  ? check_preemption_disabled+0x48/0x280
[  241.476422]  irq_exit+0x17f/0x1c0
[  241.479878]  smp_apic_timer_interrupt+0x1cb/0x760
[  241.484718]  ? smp_reschedule_interrupt+0x109/0x650
[  241.489737]  ? smp_call_function_single_interrupt+0x650/0x650
[  241.495798]  ? interrupt_entry+0xb5/0xc0
[  241.499860]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.504874]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.509892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.514739]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.519756]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.524780]  ? task_prio+0x50/0x50
[  241.528320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.533858]  ? check_preemption_disabled+0x48/0x280
[  241.538879]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.543742]  apic_timer_interrupt+0xf/0x20
[  241.547978]  </IRQ>
[  241.550224] RIP: 0010:lock_is_held_type+0x18b/0x210
[  241.555429] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  241.574359] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  241.582097] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  241.589366] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  241.596651] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  241.603923] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  241.611194] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  241.618512]  rcu_read_lock_held+0xa9/0xc0
[  241.622660]  css_next_child+0x2a2/0x620
[  241.626644]  ? cgroup_mount+0xd30/0xd30
[  241.630622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.636165]  ? check_preemption_disabled+0x48/0x280
[  241.641590]  ? __lock_is_held+0xb5/0x140
[  241.645681]  css_next_descendant_pre+0xeb/0x190
[  241.650358]  mem_cgroup_iter+0x42f/0x1160
[  241.654510]  ? kasan_check_write+0x14/0x20
[  241.658751]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  241.663513]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  241.668541]  ? shrink_slab+0xfa/0x8c0
[  241.672353]  ? shrink_active_list+0x1f00/0x1f00
[  241.677029]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  241.682661]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  241.687775]  ? cgroup_procs_write_finish+0xf0/0xf0
[  241.692710]  ? find_held_lock+0x36/0x1c0
[  241.696780]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.702331]  ? vmpressure+0x1a2/0x340
[  241.706135]  shrink_node+0x516/0x16b0
[  241.709941]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  241.715256]  ? shrink_node_memcg+0x18f0/0x18f0
[  241.719848]  ? kvm_clock_read+0x18/0x30
[  241.723825]  ? ktime_get+0x2c1/0x400
[  241.727543]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  241.732041]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  241.737581]  ? __cpuset_node_allowed+0x19b/0x660
[  241.742339]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  241.748054]  ? delayacct_end+0x5a/0x100
[  241.752046]  do_try_to_free_pages+0x3e7/0x1290
[  241.756627]  ? zap_class+0x640/0x640
[  241.760357]  ? shrink_node+0x16b0/0x16b0
[  241.764419]  ? __lock_is_held+0xb5/0x140
[  241.768496]  try_to_free_pages+0x4d0/0xb90
[  241.772740]  ? do_try_to_free_pages+0x1290/0x1290
[  241.777684]  ? lock_acquire+0x1ed/0x520
[  241.781658]  ? set_page_refcounted+0x280/0x280
[  241.786255]  ? lock_release+0xa00/0xa00
[  241.790238]  ? _raw_spin_unlock_irq+0x60/0x80
[  241.794825]  ? psi_memstall_enter+0x240/0x2b0
[  241.799325]  ? psi_memstall_tick+0x230/0x230
[  241.803750]  __alloc_pages_slowpath+0xa14/0x2e10
[  241.809151]  ? warn_alloc+0x120/0x120
[  241.812953]  ? mark_held_locks+0x130/0x130
[  241.817192]  ? find_get_entry+0xaae/0x1120
[  241.821445]  ? filemap_map_pages+0x1a20/0x1a20
[  241.826036]  ? zap_class+0x640/0x640
[  241.829761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.835302]  ? check_preemption_disabled+0x48/0x280
[  241.840319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.845897]  ? should_fail+0x22d/0xd01
[  241.849789]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.854896]  ? zap_class+0x640/0x640
[  241.858637]  ? __lock_is_held+0xb5/0x140
[  241.862707]  ? mark_held_locks+0x130/0x130
[  241.866954]  ? lock_release+0xa00/0xa00
[  241.870930]  ? perf_trace_sched_process_exec+0x860/0x860
[  241.876383]  ? xa_load+0x2ba/0x460
[  241.879925]  ? lock_downgrade+0x900/0x900
[  241.884083]  ? __might_sleep+0x95/0x190
[  241.888074]  __alloc_pages_nodemask+0xa80/0xde0
[  241.892753]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  241.897780]  ? __page_cache_alloc+0x191/0x5c0
[  241.902277]  ? xa_load+0x2e1/0x460
[  241.905822]  ? xa_clear_mark+0x40/0x40
[  241.909710]  ? zap_class+0x640/0x640
[  241.913438]  ? zap_class+0x640/0x640
[  241.917252]  ? zap_class+0x640/0x640
[  241.921054]  ? __do_page_cache_readahead+0x663/0x810
[  241.926161]  ? find_held_lock+0x36/0x1c0
[  241.930238]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  241.935780]  alloc_pages_current+0x173/0x350
[  241.940193]  __page_cache_alloc+0x38c/0x5c0
[  241.944526]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  241.949456]  ? kasan_check_read+0x11/0x20
[  241.953609]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.958896]  ? generic_perform_write+0x6a0/0x6a0
[  241.963653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.969192]  ? check_preemption_disabled+0x48/0x280
[  241.974239]  filemap_fault+0x1595/0x25f0
[  241.978324]  ? __lock_page_or_retry+0xa00/0xa00
[  241.983024]  ? mark_held_locks+0x130/0x130
[  241.987274]  ? filemap_map_pages+0xd6b/0x1a20
[  241.991808]  ? lock_downgrade+0x900/0x900
[  241.995956]  ? check_preemption_disabled+0x48/0x280
[  242.000975]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  242.005907]  ? kasan_check_read+0x11/0x20
[  242.010060]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.015338]  ? rcu_softirq_qs+0x20/0x20
[  242.019324]  ? filemap_map_pages+0xd92/0x1a20
[  242.023827]  ? print_usage_bug+0xc0/0xc0
[  242.027909]  ? find_get_entries_tag+0x1400/0x1400
[  242.032756]  ? __kasan_slab_free+0x102/0x150
[  242.037167]  ? kasan_slab_free+0xe/0x10
[  242.041154]  ? kmem_cache_free+0x83/0x290
[  242.045305]  ? __sigqueue_free.part.29+0x74/0x90
[  242.050109]  ? lock_acquire+0x1ed/0x520
[  242.054084]  ? ext4_filemap_fault+0x7a/0xad
[  242.058418]  ? lock_release+0xa00/0xa00
[  242.062390]  ? perf_trace_sched_process_exec+0x860/0x860
[  242.067843]  ? print_usage_bug+0xc0/0xc0
[  242.071904]  ? print_usage_bug+0xc0/0xc0
[  242.075975]  ? down_read+0x8d/0x120
[  242.079601]  ? ext4_filemap_fault+0x7a/0xad
[  242.083927]  ? __down_interruptible+0x700/0x700
[  242.088604]  ext4_filemap_fault+0x82/0xad
[  242.092755]  __do_fault+0x100/0x6b0
[  242.096389]  ? pmd_devmap_trans_unstable+0x220/0x220
[  242.101499]  ? mark_held_locks+0x130/0x130
[  242.105740]  ? mark_held_locks+0x130/0x130
[  242.109975]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  242.115517]  ? rcu_pm_notify+0xc0/0xc0
[  242.119426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.124968]  __handle_mm_fault+0x3ea0/0x5be0
[  242.129384]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  242.134224]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.138737]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  242.143321]  ? trace_hardirqs_on+0xbd/0x310
[  242.147644]  ? kasan_check_read+0x11/0x20
[  242.151803]  ? __set_current_blocked+0xdf/0x120
[  242.156476]  ? trace_hardirqs_off_caller+0x310/0x310
[  242.161595]  ? zap_class+0x640/0x640
[  242.165308]  ? zap_class+0x640/0x640
[  242.169029]  ? find_held_lock+0x36/0x1c0
[  242.173101]  ? handle_mm_fault+0x42a/0xc70
[  242.177337]  ? lock_downgrade+0x900/0x900
[  242.181484]  ? check_preemption_disabled+0x48/0x280
[  242.186504]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  242.191442]  ? kasan_check_read+0x11/0x20
[  242.195588]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.200865]  ? rcu_softirq_qs+0x20/0x20
[  242.204837]  ? trace_hardirqs_off_caller+0x310/0x310
[  242.209944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.215746]  ? check_preemption_disabled+0x48/0x280
[  242.220772]  handle_mm_fault+0x54f/0xc70
[  242.224842]  ? __handle_mm_fault+0x5be0/0x5be0
[  242.229427]  ? find_vma+0x34/0x190
[  242.232972]  __do_page_fault+0x5e8/0xe60
[  242.237035]  ? exit_to_usermode_loop+0x1f4/0x380
[  242.241802]  do_page_fault+0xf2/0x7e0
[  242.245606]  ? vmalloc_sync_all+0x30/0x30
[  242.249755]  ? error_entry+0x70/0xd0
[  242.253472]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.258487]  ? trace_hardirqs_on_caller+0xc0/0x310
[  242.263416]  ? syscall_return_slowpath+0x5e0/0x5e0
[  242.268385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.273237]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.278254]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  242.283969]  ? prepare_exit_to_usermode+0x291/0x3b0
[  242.288996]  ? page_fault+0x8/0x30
[  242.292540]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.297384]  ? page_fault+0x8/0x30
[  242.300924]  page_fault+0x1e/0x30
[  242.304382] RIP: 0033:0x45db60
[  242.307586] Code: Bad RIP value.
[  242.310947] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  242.316311] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  242.323583] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  242.330853] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  242.338123] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  242.345391] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  242.352683] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  242.352750] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.359439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.359447] Call Trace:
[  242.366005] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.375281]  dump_stack+0x244/0x39d
[  242.377838] syz-fuzzer cpuset=/ mems_allowed=0
[  242.388063]  ? dump_stack_print_info.cold.1+0x20/0x20
[  242.401433]  warn_alloc.cold.116+0xb7/0x1bd
[  242.405762]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  242.410608]  ? lock_downgrade+0x900/0x900
[  242.414764]  ? trace_hardirqs_off+0xb8/0x310
[  242.419196]  ? trace_hardirqs_off+0xb8/0x310
[  242.423614]  __alloc_pages_slowpath+0x26e8/0x2e10
[  242.428485]  ? warn_alloc+0x120/0x120
[  242.432287]  ? print_usage_bug+0xc0/0xc0
[  242.436354]  ? warn_alloc+0x120/0x120
[  242.440173]  ? warn_alloc+0x120/0x120
[  242.443980]  ? print_usage_bug+0xc0/0xc0
[  242.448048]  ? print_usage_bug+0xc0/0xc0
[  242.452110]  ? __lock_acquire+0x62f/0x4c20
[  242.456351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.461897]  ? should_fail+0x22d/0xd01
[  242.465793]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.470897]  ? __lock_acquire+0x62f/0x4c20
[  242.475137]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.480256]  ? __lock_acquire+0x62f/0x4c20
[  242.484492]  ? should_fail+0x22d/0xd01
[  242.488384]  ? find_held_lock+0x36/0x1c0
[  242.492453]  ? mark_held_locks+0x130/0x130
[  242.496693]  ? mark_held_locks+0x130/0x130
[  242.500924]  ? zap_class+0x640/0x640
[  242.504639]  ? zap_class+0x640/0x640
[  242.508359]  ? print_usage_bug+0xc0/0xc0
[  242.512442]  ? do_raw_spin_unlock+0xa7/0x330
[  242.516852]  ? zap_class+0x640/0x640
[  242.520571]  ? print_usage_bug+0xc0/0xc0
[  242.524629]  ? wq_watchdog_touch+0x9c/0xfe
[  242.528872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.534409]  ? check_preemption_disabled+0x48/0x280
[  242.539433]  ? __lock_is_held+0xb5/0x140
[  242.543504]  __alloc_pages_nodemask+0xa80/0xde0
[  242.548188]  ? zap_class+0x640/0x640
[  242.551906]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  242.556929]  ? find_held_lock+0x36/0x1c0
[  242.561001]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.565670]  ? lock_downgrade+0x900/0x900
[  242.569828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.575373]  cache_grow_begin+0xa5/0x8c0
[  242.579469]  ? do_raw_spin_unlock+0xa7/0x330
[  242.583885]  fallback_alloc+0x204/0x2e0
[  242.587863]  ____cache_alloc_node+0x1c7/0x1e0
[  242.592369]  kmem_cache_alloc_node+0xe3/0x730
[  242.596877]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.601127]  __alloc_skb+0x119/0x770
[  242.604849]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.610133]  ? netdev_alloc_frag+0x1f0/0x1f0
[  242.614555]  ? lock_downgrade+0x900/0x900
[  242.618714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.624253]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.629712]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.635180]  ? addrconf_rs_timer+0x690/0x690
[  242.639601]  ndisc_alloc_skb+0x144/0x340
[  242.643665]  ndisc_send_rs+0x331/0x6e0
[  242.647557]  addrconf_rs_timer+0x314/0x690
[  242.651803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.656047]  call_timer_fn+0x272/0x920
[  242.659945]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.664185]  ? process_timeout+0x40/0x40
[  242.668257]  ? __run_timers+0x7da/0xc70
[  242.672232]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.676724]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.681221]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.685458]  ? lockdep_hardirqs_on+0x296/0x5b0
[  242.690046]  ? trace_hardirqs_on+0xbd/0x310
[  242.694366]  ? kasan_check_read+0x11/0x20
[  242.698514]  ? __run_timers+0x7da/0xc70
[  242.702490]  ? trace_hardirqs_off_caller+0x310/0x310
[  242.707596]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.711837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.716072]  __run_timers+0x7e5/0xc70
[  242.719883]  ? timer_fixup_init+0x70/0x70
[  242.724033]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.728535]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.733035]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  242.737621]  ? trace_hardirqs_on+0xbd/0x310
[  242.741964]  ? kasan_check_read+0x11/0x20
[  242.746116]  ? finish_task_switch+0x1f4/0x910
[  242.750626]  ? trace_hardirqs_off_caller+0x310/0x310
[  242.755732]  ? compat_start_thread+0x80/0x80
[  242.760174]  ? pvclock_read_flags+0x160/0x160
[  242.764666]  ? __switch_to_asm+0x34/0x70
[  242.768730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.774267]  ? check_preemption_disabled+0x48/0x280
[  242.779291]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  242.784830]  ? rcu_pm_notify+0xc0/0xc0
[  242.788723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.794263]  ? check_preemption_disabled+0x48/0x280
[  242.799289]  run_timer_softirq+0x52/0xb0
[  242.803350]  ? rcu_read_lock_sched_held+0x14f/0x180
[  242.808365]  __do_softirq+0x308/0xb7e
[  242.812185]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  242.817295]  ? smpboot_thread_fn+0x334/0xa00
[  242.821709]  ? schedule+0x108/0x460
[  242.825335]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  242.830098]  ? trace_hardirqs_off+0xb8/0x310
[  242.834521]  ? smpboot_thread_fn+0x68b/0xa00
[  242.838929]  ? trace_hardirqs_on+0x310/0x310
[  242.843341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.848876]  ? check_preemption_disabled+0x48/0x280
[  242.853892]  ? takeover_tasklets+0xa90/0xa90
[  242.858301]  run_ksoftirqd+0x5e/0x100
[  242.862102]  smpboot_thread_fn+0x68b/0xa00
[  242.866353]  ? sort_range+0x30/0x30
[  242.869982]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.875105]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.880653]  ? __kthread_parkme+0xfb/0x1a0
[  242.884899]  ? sort_range+0x30/0x30
[  242.888528]  kthread+0x35a/0x440
[  242.891898]  ? kthread_stop+0x900/0x900
[  242.896049]  ret_from_fork+0x3a/0x50
[  242.899773] warn_alloc_show_mem: 1 callbacks suppressed
[  242.899783] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  242.899784] Mem-Info:
[  242.899815] active_anon:52607 inactive_anon:182 isolated_anon:0
[  242.899815]  active_file:12 inactive_file:11 isolated_file:0
[  242.899815]  unevictable:0 dirty:0 writeback:0 unstable:0
[  242.899815]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  242.899815]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  242.899815]  free:13782 free_pcp:358 free_cma:0
[  242.905153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.912089] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  242.914483] Call Trace:
[  242.947345] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  242.956692]  <IRQ>
[  242.984171] lowmem_reserve[]: 0 2818 6321 6321
[  242.986755]  dump_stack+0x244/0x39d
[  243.012841] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  243.014996]  ? dump_stack_print_info.cold.1+0x20/0x20
[  243.019560] lowmem_reserve[]: 0 0 3503 3503
[  243.023191]  warn_alloc.cold.116+0xb7/0x1bd
[  243.050919] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  243.056117]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  243.060407] lowmem_reserve[]: 0 0 0 0
[  243.064731]  ? lock_downgrade+0x900/0x900
[  243.093679] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  243.098525]  ? trace_hardirqs_off+0xb8/0x310
[  243.102294] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  243.106497]  ? trace_hardirqs_off+0xb8/0x310
[  243.119988] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  243.124408]  __alloc_pages_slowpath+0x26e8/0x2e10
[  243.139559] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  243.143978]  ? warn_alloc+0x120/0x120
[  243.158851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  243.163683]  ? print_usage_bug+0xc0/0xc0
[  243.172487] 266 total pagecache pages
[  243.172502] 0 pages in swap cache
[  243.176288]  ? warn_alloc+0x120/0x120
[  243.184839] Swap cache stats: add 0, delete 0, find 0/0
[  243.184847] Free swap  = 0kB
[  243.188903]  ? warn_alloc+0x120/0x120
[  243.192681] Total swap = 0kB
[  243.196140]  ? print_usage_bug+0xc0/0xc0
[  243.199920] 1965979 pages RAM
[  243.205274]  ? kvm_clock_read+0x18/0x30
[  243.208275] 0 pages HighMem/MovableOnly
[  243.212070]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  243.215065] 342854 pages reserved
[  243.219127]  ? print_usage_bug+0xc0/0xc0
[  243.222213] 0 pages cma reserved
[  243.226180]  ? __lock_acquire+0x62f/0x4c20
[  243.230218] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  243.235156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.235169]  ? should_fail+0x22d/0xd01
[  243.235184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.238664] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  243.242681]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.246025] ksoftirqd/0 cpuset=/ mems_allowed=0
[  243.250258]  ? __lock_acquire+0x62f/0x4c20
[  243.295807]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.300910]  ? __lock_acquire+0x62f/0x4c20
[  243.305149]  ? should_fail+0x22d/0xd01
[  243.309034]  ? rcu_irq_exit+0x1a2/0x390
[  243.313018]  ? mark_held_locks+0x130/0x130
[  243.317257]  ? mark_held_locks+0x130/0x130
[  243.321499]  ? mark_held_locks+0xc7/0x130
[  243.325647]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  243.330663]  ? zap_class+0x640/0x640
[  243.334376]  ? print_usage_bug+0xc0/0xc0
[  243.338444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.343983]  ? check_preemption_disabled+0x48/0x280
[  243.349011]  ? __lock_is_held+0xb5/0x140
[  243.353090]  __alloc_pages_nodemask+0xa80/0xde0
[  243.357761]  ? zap_class+0x640/0x640
[  243.361482]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  243.366507]  ? find_held_lock+0x36/0x1c0
[  243.370578]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.375256]  ? lock_downgrade+0x900/0x900
[  243.379413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.384992]  cache_grow_begin+0xa5/0x8c0
[  243.389053]  ? do_raw_spin_unlock+0xa7/0x330
[  243.393478]  fallback_alloc+0x204/0x2e0
[  243.397459]  ____cache_alloc_node+0x1c7/0x1e0
[  243.401962]  kmem_cache_alloc_node+0xe3/0x730
[  243.406458]  ? ipv6_get_ifaddr+0x42e/0x620
[  243.410706]  __alloc_skb+0x119/0x770
[  243.414422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.419704]  ? netdev_alloc_frag+0x1f0/0x1f0
[  243.424115]  ? lock_downgrade+0x900/0x900
[  243.428272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.433813]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.439279]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.444728]  ? addrconf_rs_timer+0x690/0x690
[  243.449146]  ndisc_alloc_skb+0x144/0x340
[  243.453300]  ndisc_send_rs+0x331/0x6e0
[  243.457194]  addrconf_rs_timer+0x314/0x690
[  243.461437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.465683]  call_timer_fn+0x272/0x920
[  243.469569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.473811]  ? process_timeout+0x40/0x40
[  243.477881]  ? mark_held_locks+0xc7/0x130
[  243.482029]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.486528]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.491026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.495261]  ? lockdep_hardirqs_on+0x296/0x5b0
[  243.499844]  ? trace_hardirqs_on+0xbd/0x310
[  243.504164]  ? kasan_check_read+0x11/0x20
[  243.508315]  ? __run_timers+0x7da/0xc70
[  243.512289]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.517395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.521635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.525876]  __run_timers+0x7e5/0xc70
[  243.529688]  ? timer_fixup_init+0x70/0x70
[  243.533836]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  243.538856]  ? zap_class+0x640/0x640
[  243.542583]  ? print_usage_bug+0xc0/0xc0
[  243.546648]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  243.551850]  ? find_held_lock+0x36/0x1c0
[  243.555926]  ? zap_class+0x640/0x640
[  243.559648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.565188]  ? check_preemption_disabled+0x48/0x280
[  243.570212]  ? __lock_is_held+0xb5/0x140
[  243.574276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.579813]  ? check_preemption_disabled+0x48/0x280
[  243.584837]  run_timer_softirq+0x52/0xb0
[  243.588897]  ? rcu_read_lock_sched_held+0x14f/0x180
[  243.593916]  __do_softirq+0x308/0xb7e
[  243.597720]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  243.602214]  ? lock_downgrade+0x900/0x900
[  243.606365]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  243.611476]  ? pvclock_read_flags+0x160/0x160
[  243.616076]  ? lapic_next_event+0x5a/0x90
[  243.620240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.625786]  ? kvm_clock_read+0x18/0x30
[  243.629780]  ? kvm_sched_clock_read+0x9/0x20
[  243.634196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.640157]  ? check_preemption_disabled+0x48/0x280
[  243.645185]  irq_exit+0x17f/0x1c0
[  243.648644]  smp_apic_timer_interrupt+0x1cb/0x760
[  243.653487]  ? smp_reschedule_interrupt+0x109/0x650
[  243.658509]  ? smp_call_function_single_interrupt+0x650/0x650
[  243.664390]  ? interrupt_entry+0xb5/0xc0
[  243.668545]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.673560]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.678580]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.683429]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.688450]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.693465]  ? task_prio+0x50/0x50
[  243.697098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.702638]  ? check_preemption_disabled+0x48/0x280
[  243.707661]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.712512]  apic_timer_interrupt+0xf/0x20
[  243.716828]  </IRQ>
[  243.719079] RIP: 0010:lock_is_held_type+0x18b/0x210
[  243.724099] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  243.743029] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  243.750750] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  243.758018] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  243.765300] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  243.772598] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  243.779869] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  243.787171]  rcu_read_lock_held+0xa9/0xc0
[  243.791325]  css_next_child+0x2a2/0x620
[  243.795316]  ? cgroup_mount+0xd30/0xd30
[  243.799294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.805371]  ? check_preemption_disabled+0x48/0x280
[  243.810414]  ? __lock_is_held+0xb5/0x140
[  243.814504]  css_next_descendant_pre+0xeb/0x190
[  243.819177]  mem_cgroup_iter+0x42f/0x1160
[  243.823328]  ? kasan_check_write+0x14/0x20
[  243.827577]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  243.832332]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  243.837353]  ? shrink_slab+0xfa/0x8c0
[  243.841165]  ? shrink_active_list+0x1f00/0x1f00
[  243.845841]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  243.851475]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  243.856591]  ? cgroup_procs_write_finish+0xf0/0xf0
[  243.861529]  ? find_held_lock+0x36/0x1c0
[  243.865594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.871133]  ? vmpressure+0x1a2/0x340
[  243.874941]  shrink_node+0x516/0x16b0
[  243.878744]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  243.884065]  ? shrink_node_memcg+0x18f0/0x18f0
[  243.888744]  ? kvm_clock_read+0x18/0x30
[  243.892730]  ? ktime_get+0x2c1/0x400
[  243.896449]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  243.900947]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  243.906484]  ? __cpuset_node_allowed+0x19b/0x660
[  243.911246]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  243.916959]  ? delayacct_end+0x5a/0x100
[  243.920946]  do_try_to_free_pages+0x3e7/0x1290
[  243.925529]  ? zap_class+0x640/0x640
[  243.929263]  ? shrink_node+0x16b0/0x16b0
[  243.933327]  ? __lock_is_held+0xb5/0x140
[  243.937403]  try_to_free_pages+0x4d0/0xb90
[  243.941647]  ? do_try_to_free_pages+0x1290/0x1290
[  243.946502]  ? lock_acquire+0x1ed/0x520
[  243.950475]  ? set_page_refcounted+0x280/0x280
[  243.955071]  ? lock_release+0xa00/0xa00
[  243.959059]  ? _raw_spin_unlock_irq+0x60/0x80
[  243.963554]  ? psi_memstall_enter+0x240/0x2b0
[  243.968065]  ? psi_memstall_tick+0x230/0x230
[  243.972489]  __alloc_pages_slowpath+0xa14/0x2e10
[  243.977274]  ? warn_alloc+0x120/0x120
[  243.981077]  ? mark_held_locks+0x130/0x130
[  243.985316]  ? find_get_entry+0xaae/0x1120
[  243.989567]  ? filemap_map_pages+0x1a20/0x1a20
[  243.994157]  ? zap_class+0x640/0x640
[  243.997889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.003429]  ? check_preemption_disabled+0x48/0x280
[  244.008450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.013993]  ? should_fail+0x22d/0xd01
[  244.017903]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.023013]  ? zap_class+0x640/0x640
[  244.026764]  ? __lock_is_held+0xb5/0x140
[  244.030837]  ? mark_held_locks+0x130/0x130
[  244.035083]  ? lock_release+0xa00/0xa00
[  244.039062]  ? perf_trace_sched_process_exec+0x860/0x860
[  244.044517]  ? xa_load+0x2ba/0x460
[  244.048068]  ? lock_downgrade+0x900/0x900
[  244.052227]  ? __might_sleep+0x95/0x190
[  244.056207]  __alloc_pages_nodemask+0xa80/0xde0
[  244.060886]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  244.065907]  ? __page_cache_alloc+0x191/0x5c0
[  244.070403]  ? xa_load+0x2e1/0x460
[  244.073957]  ? xa_clear_mark+0x40/0x40
[  244.077849]  ? zap_class+0x640/0x640
[  244.081573]  ? zap_class+0x640/0x640
[  244.085288]  ? zap_class+0x640/0x640
[  244.089000]  ? __do_page_cache_readahead+0x663/0x810
[  244.094118]  ? find_held_lock+0x36/0x1c0
[  244.098186]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  244.103734]  alloc_pages_current+0x173/0x350
[  244.108167]  __page_cache_alloc+0x38c/0x5c0
[  244.112491]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  244.117454]  ? kasan_check_read+0x11/0x20
[  244.121604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.126888]  ? generic_perform_write+0x6a0/0x6a0
[  244.131650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.137191]  ? check_preemption_disabled+0x48/0x280
[  244.142215]  filemap_fault+0x1595/0x25f0
[  244.146287]  ? __lock_page_or_retry+0xa00/0xa00
[  244.150961]  ? mark_held_locks+0x130/0x130
[  244.155211]  ? filemap_map_pages+0xd6b/0x1a20
[  244.159706]  ? lock_downgrade+0x900/0x900
[  244.163854]  ? check_preemption_disabled+0x48/0x280
[  244.168871]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  244.173798]  ? kasan_check_read+0x11/0x20
[  244.177945]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.183221]  ? rcu_softirq_qs+0x20/0x20
[  244.187210]  ? filemap_map_pages+0xd92/0x1a20
[  244.191708]  ? print_usage_bug+0xc0/0xc0
[  244.195774]  ? find_get_entries_tag+0x1400/0x1400
[  244.200618]  ? __kasan_slab_free+0x102/0x150
[  244.205059]  ? kasan_slab_free+0xe/0x10
[  244.209041]  ? kmem_cache_free+0x83/0x290
[  244.213221]  ? __sigqueue_free.part.29+0x74/0x90
[  244.217995]  ? lock_acquire+0x1ed/0x520
[  244.221981]  ? ext4_filemap_fault+0x7a/0xad
[  244.226321]  ? lock_release+0xa00/0xa00
[  244.230295]  ? perf_trace_sched_process_exec+0x860/0x860
[  244.235749]  ? print_usage_bug+0xc0/0xc0
[  244.239811]  ? print_usage_bug+0xc0/0xc0
[  244.243886]  ? down_read+0x8d/0x120
[  244.247511]  ? ext4_filemap_fault+0x7a/0xad
[  244.251837]  ? __down_interruptible+0x700/0x700
[  244.256518]  ext4_filemap_fault+0x82/0xad
[  244.260675]  __do_fault+0x100/0x6b0
[  244.264306]  ? pmd_devmap_trans_unstable+0x220/0x220
[  244.269418]  ? mark_held_locks+0x130/0x130
[  244.273659]  ? mark_held_locks+0x130/0x130
[  244.277935]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  244.283474]  ? rcu_pm_notify+0xc0/0xc0
[  244.287366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.292915]  __handle_mm_fault+0x3ea0/0x5be0
[  244.297332]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  244.302172]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.306669]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  244.311256]  ? trace_hardirqs_on+0xbd/0x310
[  244.315577]  ? kasan_check_read+0x11/0x20
[  244.319725]  ? __set_current_blocked+0xdf/0x120
[  244.324398]  ? trace_hardirqs_off_caller+0x310/0x310
[  244.329512]  ? zap_class+0x640/0x640
[  244.333238]  ? zap_class+0x640/0x640
[  244.336960]  ? find_held_lock+0x36/0x1c0
[  244.341044]  ? handle_mm_fault+0x42a/0xc70
[  244.345282]  ? lock_downgrade+0x900/0x900
[  244.349429]  ? check_preemption_disabled+0x48/0x280
[  244.354447]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  244.359378]  ? kasan_check_read+0x11/0x20
[  244.363536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.368817]  ? rcu_softirq_qs+0x20/0x20
[  244.372832]  ? trace_hardirqs_off_caller+0x310/0x310
[  244.377935]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.383499]  ? check_preemption_disabled+0x48/0x280
[  244.388542]  handle_mm_fault+0x54f/0xc70
[  244.392608]  ? __handle_mm_fault+0x5be0/0x5be0
[  244.397195]  ? find_vma+0x34/0x190
[  244.400741]  __do_page_fault+0x5e8/0xe60
[  244.404805]  ? exit_to_usermode_loop+0x1f4/0x380
[  244.409569]  do_page_fault+0xf2/0x7e0
[  244.413370]  ? vmalloc_sync_all+0x30/0x30
[  244.417524]  ? error_entry+0x70/0xd0
[  244.421243]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.426261]  ? trace_hardirqs_on_caller+0xc0/0x310
[  244.431197]  ? syscall_return_slowpath+0x5e0/0x5e0
[  244.436128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.440974]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.446016]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  244.451483]  ? prepare_exit_to_usermode+0x291/0x3b0
[  244.456502]  ? page_fault+0x8/0x30
[  244.460051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.464895]  ? page_fault+0x8/0x30
[  244.468439]  page_fault+0x1e/0x30
[  244.471890] RIP: 0033:0x45db60
[  244.475094] Code: Bad RIP value.
[  244.478459] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  244.483820] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  244.491088] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  244.498364] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  244.505631] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  244.512907] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  244.520298] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  244.520367] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.527053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.527058] Call Trace:
[  244.527078]  dump_stack+0x244/0x39d
[  244.527096]  ? dump_stack_print_info.cold.1+0x20/0x20
[  244.533644] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.542933]  warn_alloc.cold.116+0xb7/0x1bd
[  244.545486] syz-fuzzer cpuset=/ mems_allowed=0
[  244.549107]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.578383]  ? lock_downgrade+0x900/0x900
[  244.582540]  ? trace_hardirqs_off+0xb8/0x310
[  244.587052]  ? trace_hardirqs_off+0xb8/0x310
[  244.591467]  __alloc_pages_slowpath+0x26e8/0x2e10
[  244.596340]  ? warn_alloc+0x120/0x120
[  244.600141]  ? print_usage_bug+0xc0/0xc0
[  244.604208]  ? warn_alloc+0x120/0x120
[  244.608024]  ? warn_alloc+0x120/0x120
[  244.611830]  ? print_usage_bug+0xc0/0xc0
[  244.615893]  ? print_usage_bug+0xc0/0xc0
[  244.619963]  ? __lock_acquire+0x62f/0x4c20
[  244.624220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.629759]  ? should_fail+0x22d/0xd01
[  244.633651]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.638756]  ? __lock_acquire+0x62f/0x4c20
[  244.643047]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.648168]  ? __lock_acquire+0x62f/0x4c20
[  244.652406]  ? should_fail+0x22d/0xd01
[  244.656290]  ? find_held_lock+0x36/0x1c0
[  244.660356]  ? mark_held_locks+0x130/0x130
[  244.664599]  ? mark_held_locks+0x130/0x130
[  244.668835]  ? zap_class+0x640/0x640
[  244.672555]  ? zap_class+0x640/0x640
[  244.676272]  ? print_usage_bug+0xc0/0xc0
[  244.680329]  ? do_raw_spin_unlock+0xa7/0x330
[  244.684739]  ? zap_class+0x640/0x640
[  244.688465]  ? print_usage_bug+0xc0/0xc0
[  244.692532]  ? wq_watchdog_touch+0x9c/0xfe
[  244.696771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.702407]  ? check_preemption_disabled+0x48/0x280
[  244.707432]  ? __lock_is_held+0xb5/0x140
[  244.711503]  __alloc_pages_nodemask+0xa80/0xde0
[  244.716176]  ? zap_class+0x640/0x640
[  244.719894]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  244.724920]  ? find_held_lock+0x36/0x1c0
[  244.729008]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.733766]  ? lock_downgrade+0x900/0x900
[  244.737923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.743463]  cache_grow_begin+0xa5/0x8c0
[  244.747533]  ? do_raw_spin_unlock+0xa7/0x330
[  244.751948]  fallback_alloc+0x204/0x2e0
[  244.755944]  ____cache_alloc_node+0x1c7/0x1e0
[  244.760460]  kmem_cache_alloc_node+0xe3/0x730
[  244.765000]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.769245]  __alloc_skb+0x119/0x770
[  244.772976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.778262]  ? netdev_alloc_frag+0x1f0/0x1f0
[  244.782671]  ? lock_downgrade+0x900/0x900
[  244.786826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.792364]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.797818]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.803268]  ? addrconf_rs_timer+0x690/0x690
[  244.807685]  ndisc_alloc_skb+0x144/0x340
[  244.811749]  ndisc_send_rs+0x331/0x6e0
[  244.815657]  addrconf_rs_timer+0x314/0x690
[  244.819897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.824142]  call_timer_fn+0x272/0x920
[  244.828029]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.832264]  ? process_timeout+0x40/0x40
[  244.836766]  ? __run_timers+0x7da/0xc70
[  244.840745]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.845243]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.849737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.853991]  ? lockdep_hardirqs_on+0x296/0x5b0
[  244.858576]  ? trace_hardirqs_on+0xbd/0x310
[  244.862896]  ? kasan_check_read+0x11/0x20
[  244.867042]  ? __run_timers+0x7da/0xc70
[  244.871018]  ? trace_hardirqs_off_caller+0x310/0x310
[  244.876126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.880368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.884604]  __run_timers+0x7e5/0xc70
[  244.888417]  ? timer_fixup_init+0x70/0x70
[  244.892564]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.897058]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.901557]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  244.906138]  ? trace_hardirqs_on+0xbd/0x310
[  244.910458]  ? kasan_check_read+0x11/0x20
[  244.914613]  ? finish_task_switch+0x1f4/0x910
[  244.919111]  ? trace_hardirqs_off_caller+0x310/0x310
[  244.924212]  ? compat_start_thread+0x80/0x80
[  244.928642]  ? pvclock_read_flags+0x160/0x160
[  244.933137]  ? __switch_to_asm+0x34/0x70
[  244.937198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.942735]  ? check_preemption_disabled+0x48/0x280
[  244.947758]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  244.953301]  ? rcu_pm_notify+0xc0/0xc0
[  244.957201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.962739]  ? check_preemption_disabled+0x48/0x280
[  244.967758]  run_timer_softirq+0x52/0xb0
[  244.971822]  ? rcu_read_lock_sched_held+0x14f/0x180
[  244.976836]  __do_softirq+0x308/0xb7e
[  244.980644]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  244.985747]  ? smpboot_thread_fn+0x334/0xa00
[  244.990163]  ? schedule+0x108/0x460
[  244.993793]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  244.998560]  ? trace_hardirqs_off+0xb8/0x310
[  245.002986]  ? smpboot_thread_fn+0x68b/0xa00
[  245.007394]  ? trace_hardirqs_on+0x310/0x310
[  245.011805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.017346]  ? check_preemption_disabled+0x48/0x280
[  245.022367]  ? takeover_tasklets+0xa90/0xa90
[  245.026777]  run_ksoftirqd+0x5e/0x100
[  245.030577]  smpboot_thread_fn+0x68b/0xa00
[  245.034813]  ? sort_range+0x30/0x30
[  245.038438]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.043543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.049082]  ? __kthread_parkme+0xfb/0x1a0
[  245.053319]  ? sort_range+0x30/0x30
[  245.056957]  kthread+0x35a/0x440
[  245.060415]  ? kthread_stop+0x900/0x900
[  245.064388]  ret_from_fork+0x3a/0x50
[  245.068133] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  245.068138] warn_alloc_show_mem: 1 callbacks suppressed
[  245.068144] Mem-Info:
[  245.075063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  245.080428] active_anon:52607 inactive_anon:182 isolated_anon:0
[  245.080428]  active_file:12 inactive_file:11 isolated_file:0
[  245.080428]  unevictable:0 dirty:0 writeback:0 unstable:0
[  245.080428]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  245.080428]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  245.080428]  free:13782 free_pcp:358 free_cma:0
[  245.082803] Call Trace:
[  245.092183] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  245.127403]  <IRQ>
[  245.129975] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  245.157474]  dump_stack+0x244/0x39d
[  245.159600] lowmem_reserve[]: 0 2818 6321 6321
[  245.185706]  ? dump_stack_print_info.cold.1+0x20/0x20
[  245.189309] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  245.193894]  warn_alloc.cold.116+0xb7/0x1bd
[  245.199057] lowmem_reserve[]: 0 0 3503 3503
[  245.226722]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  245.231021] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  245.235339]  ? lock_downgrade+0x900/0x900
[  245.240159] lowmem_reserve[]: 0 0 0 0
[  245.269309]  ? trace_hardirqs_off+0xb8/0x310
[  245.273431] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  245.277236]  ? trace_hardirqs_off+0xb8/0x310
[  245.281629] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  245.295152]  __alloc_pages_slowpath+0x26e8/0x2e10
[  245.299528] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  245.315152]  ? warn_alloc+0x120/0x120
[  245.319956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  245.334852]  ? print_usage_bug+0xc0/0xc0
[  245.338635] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  245.347462]  ? warn_alloc+0x120/0x120
[  245.351499] 266 total pagecache pages
[  245.360066]  ? warn_alloc+0x120/0x120
[  245.363949] 0 pages in swap cache
[  245.367733]  ? print_usage_bug+0xc0/0xc0
[  245.371512] Swap cache stats: add 0, delete 0, find 0/0
[  245.374956]  ? kvm_clock_read+0x18/0x30
[  245.378994] Free swap  = 0kB
[  245.384350]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  245.388342] Total swap = 0kB
[  245.391353]  ? print_usage_bug+0xc0/0xc0
[  245.396381] 1965979 pages RAM
[  245.399393]  ? __lock_acquire+0x62f/0x4c20
[  245.403431] 0 pages HighMem/MovableOnly
[  245.406537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.410747] 342854 pages reserved
[  245.414717]  ? should_fail+0x22d/0xd01
[  245.420225] 0 pages cma reserved
[  245.420301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  245.423677]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.423694]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.423709]  ? __lock_acquire+0x62f/0x4c20
[  245.427631] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  245.430978]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.437448] ksoftirqd/0 cpuset=/ mems_allowed=0
[  245.442732]  ? __lock_acquire+0x62f/0x4c20
[  245.442747]  ? should_fail+0x22d/0xd01
[  245.480206]  ? rcu_irq_exit+0x1a2/0x390
[  245.484190]  ? mark_held_locks+0x130/0x130
[  245.488427]  ? mark_held_locks+0x130/0x130
[  245.492670]  ? mark_held_locks+0xc7/0x130
[  245.496816]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  245.501831]  ? zap_class+0x640/0x640
[  245.505545]  ? print_usage_bug+0xc0/0xc0
[  245.509610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.515152]  ? check_preemption_disabled+0x48/0x280
[  245.520176]  ? __lock_is_held+0xb5/0x140
[  245.524242]  __alloc_pages_nodemask+0xa80/0xde0
[  245.528925]  ? zap_class+0x640/0x640
[  245.532643]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  245.537670]  ? find_held_lock+0x36/0x1c0
[  245.541741]  ? ____cache_alloc_node+0x1c7/0x1e0
[  245.546413]  ? lock_downgrade+0x900/0x900
[  245.550586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.556129]  cache_grow_begin+0xa5/0x8c0
[  245.560198]  ? do_raw_spin_unlock+0xa7/0x330
[  245.564613]  fallback_alloc+0x204/0x2e0
[  245.568596]  ____cache_alloc_node+0x1c7/0x1e0
[  245.573100]  kmem_cache_alloc_node+0xe3/0x730
[  245.577594]  ? ipv6_get_ifaddr+0x42e/0x620
[  245.581838]  __alloc_skb+0x119/0x770
[  245.585553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.590835]  ? netdev_alloc_frag+0x1f0/0x1f0
[  245.595245]  ? lock_downgrade+0x900/0x900
[  245.599399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.604970]  ? refcount_sub_and_test_checked+0x203/0x310
[  245.610428]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  245.616226]  ? addrconf_rs_timer+0x690/0x690
[  245.620652]  ndisc_alloc_skb+0x144/0x340
[  245.624720]  ndisc_send_rs+0x331/0x6e0
[  245.628613]  addrconf_rs_timer+0x314/0x690
[  245.632851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.637536]  call_timer_fn+0x272/0x920
[  245.641431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.645664]  ? process_timeout+0x40/0x40
[  245.649736]  ? mark_held_locks+0xc7/0x130
[  245.653900]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.658398]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.662904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.667140]  ? lockdep_hardirqs_on+0x296/0x5b0
[  245.671726]  ? trace_hardirqs_on+0xbd/0x310
[  245.676050]  ? kasan_check_read+0x11/0x20
[  245.680195]  ? __run_timers+0x7da/0xc70
[  245.684176]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.689282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.693522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.697754]  __run_timers+0x7e5/0xc70
[  245.701561]  ? timer_fixup_init+0x70/0x70
[  245.705710]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  245.710725]  ? zap_class+0x640/0x640
[  245.714441]  ? print_usage_bug+0xc0/0xc0
[  245.718505]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  245.723786]  ? find_held_lock+0x36/0x1c0
[  245.727860]  ? zap_class+0x640/0x640
[  245.731580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.737119]  ? check_preemption_disabled+0x48/0x280
[  245.742146]  ? __lock_is_held+0xb5/0x140
[  245.746203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.751739]  ? check_preemption_disabled+0x48/0x280
[  245.756752]  run_timer_softirq+0x52/0xb0
[  245.760808]  ? rcu_read_lock_sched_held+0x14f/0x180
[  245.765819]  __do_softirq+0x308/0xb7e
[  245.769617]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  245.774104]  ? lock_downgrade+0x900/0x900
[  245.778249]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  245.783353]  ? pvclock_read_flags+0x160/0x160
[  245.787842]  ? lapic_next_event+0x5a/0x90
[  245.791992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.797531]  ? kvm_clock_read+0x18/0x30
[  245.801498]  ? kvm_sched_clock_read+0x9/0x20
[  245.806388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.811927]  ? check_preemption_disabled+0x48/0x280
[  245.816946]  irq_exit+0x17f/0x1c0
[  245.820421]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.825257]  ? smp_reschedule_interrupt+0x109/0x650
[  245.830268]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.836145]  ? interrupt_entry+0xb5/0xc0
[  245.840201]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.845215]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.850228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.855064]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.860077]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.865086]  ? task_prio+0x50/0x50
[  245.868620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.874151]  ? check_preemption_disabled+0x48/0x280
[  245.879170]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.884017]  apic_timer_interrupt+0xf/0x20
[  245.888240]  </IRQ>
[  245.890475] RIP: 0010:lock_is_held_type+0x18b/0x210
[  245.895487] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  245.914379] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  245.922084] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  245.929347] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  245.936608] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  245.943881] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  245.951146] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  245.958438]  rcu_read_lock_held+0xa9/0xc0
[  245.962585]  css_next_child+0x2a2/0x620
[  245.966563]  ? cgroup_mount+0xd30/0xd30
[  245.970542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.976074]  ? check_preemption_disabled+0x48/0x280
[  245.981096]  ? __lock_is_held+0xb5/0x140
[  245.985163]  css_next_descendant_pre+0xeb/0x190
[  245.989833]  mem_cgroup_iter+0x42f/0x1160
[  245.993985]  ? kasan_check_write+0x14/0x20
[  245.998222]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  246.002971]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  246.007993]  ? shrink_slab+0xfa/0x8c0
[  246.011789]  ? shrink_active_list+0x1f00/0x1f00
[  246.016462]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  246.022084]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  246.027186]  ? cgroup_procs_write_finish+0xf0/0xf0
[  246.032118]  ? find_held_lock+0x36/0x1c0
[  246.036177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.041717]  ? vmpressure+0x1a2/0x340
[  246.045524]  shrink_node+0x516/0x16b0
[  246.049321]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  246.054613]  ? shrink_node_memcg+0x18f0/0x18f0
[  246.059280]  ? kvm_clock_read+0x18/0x30
[  246.063251]  ? ktime_get+0x2c1/0x400
[  246.066967]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  246.071462]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  246.076995]  ? __cpuset_node_allowed+0x19b/0x660
[  246.081748]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  246.087456]  ? delayacct_end+0x5a/0x100
[  246.091458]  do_try_to_free_pages+0x3e7/0x1290
[  246.096033]  ? zap_class+0x640/0x640
[  246.099756]  ? shrink_node+0x16b0/0x16b0
[  246.103823]  ? __lock_is_held+0xb5/0x140
[  246.107896]  try_to_free_pages+0x4d0/0xb90
[  246.112130]  ? do_try_to_free_pages+0x1290/0x1290
[  246.116982]  ? lock_acquire+0x1ed/0x520
[  246.120949]  ? set_page_refcounted+0x280/0x280
[  246.125531]  ? lock_release+0xa00/0xa00
[  246.129500]  ? _raw_spin_unlock_irq+0x60/0x80
[  246.133992]  ? psi_memstall_enter+0x240/0x2b0
[  246.138481]  ? psi_memstall_tick+0x230/0x230
[  246.142899]  __alloc_pages_slowpath+0xa14/0x2e10
[  246.147675]  ? warn_alloc+0x120/0x120
[  246.151469]  ? mark_held_locks+0x130/0x130
[  246.155701]  ? find_get_entry+0xaae/0x1120
[  246.159941]  ? filemap_map_pages+0x1a20/0x1a20
[  246.164523]  ? zap_class+0x640/0x640
[  246.168235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.173768]  ? check_preemption_disabled+0x48/0x280
[  246.178778]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.184308]  ? should_fail+0x22d/0xd01
[  246.188193]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.193289]  ? zap_class+0x640/0x640
[  246.197022]  ? __lock_is_held+0xb5/0x140
[  246.201084]  ? mark_held_locks+0x130/0x130
[  246.205314]  ? lock_release+0xa00/0xa00
[  246.209288]  ? perf_trace_sched_process_exec+0x860/0x860
[  246.214730]  ? xa_load+0x2ba/0x460
[  246.218265]  ? lock_downgrade+0x900/0x900
[  246.222411]  ? __might_sleep+0x95/0x190
[  246.226387]  __alloc_pages_nodemask+0xa80/0xde0
[  246.231056]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  246.236095]  ? __page_cache_alloc+0x191/0x5c0
[  246.240582]  ? xa_load+0x2e1/0x460
[  246.244121]  ? xa_clear_mark+0x40/0x40
[  246.248004]  ? zap_class+0x640/0x640
[  246.251719]  ? zap_class+0x640/0x640
[  246.255430]  ? zap_class+0x640/0x640
[  246.259140]  ? __do_page_cache_readahead+0x663/0x810
[  246.264244]  ? find_held_lock+0x36/0x1c0
[  246.268302]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  246.273846]  alloc_pages_current+0x173/0x350
[  246.278254]  __page_cache_alloc+0x38c/0x5c0
[  246.282568]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.287500]  ? kasan_check_read+0x11/0x20
[  246.291652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.296932]  ? generic_perform_write+0x6a0/0x6a0
[  246.301687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.307220]  ? check_preemption_disabled+0x48/0x280
[  246.312241]  filemap_fault+0x1595/0x25f0
[  246.316307]  ? __lock_page_or_retry+0xa00/0xa00
[  246.320973]  ? mark_held_locks+0x130/0x130
[  246.325210]  ? filemap_map_pages+0xd6b/0x1a20
[  246.329703]  ? lock_downgrade+0x900/0x900
[  246.333853]  ? check_preemption_disabled+0x48/0x280
[  246.338867]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.343793]  ? kasan_check_read+0x11/0x20
[  246.347941]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.353210]  ? rcu_softirq_qs+0x20/0x20
[  246.357190]  ? filemap_map_pages+0xd92/0x1a20
[  246.361682]  ? print_usage_bug+0xc0/0xc0
[  246.365744]  ? find_get_entries_tag+0x1400/0x1400
[  246.370582]  ? __kasan_slab_free+0x102/0x150
[  246.374997]  ? kasan_slab_free+0xe/0x10
[  246.378962]  ? kmem_cache_free+0x83/0x290
[  246.383105]  ? __sigqueue_free.part.29+0x74/0x90
[  246.387877]  ? lock_acquire+0x1ed/0x520
[  246.391851]  ? ext4_filemap_fault+0x7a/0xad
[  246.396172]  ? lock_release+0xa00/0xa00
[  246.400141]  ? perf_trace_sched_process_exec+0x860/0x860
[  246.405590]  ? print_usage_bug+0xc0/0xc0
[  246.409649]  ? print_usage_bug+0xc0/0xc0
[  246.413718]  ? down_read+0x8d/0x120
[  246.417341]  ? ext4_filemap_fault+0x7a/0xad
[  246.421661]  ? __down_interruptible+0x700/0x700
[  246.426335]  ext4_filemap_fault+0x82/0xad
[  246.430482]  __do_fault+0x100/0x6b0
[  246.434111]  ? pmd_devmap_trans_unstable+0x220/0x220
[  246.439211]  ? mark_held_locks+0x130/0x130
[  246.443439]  ? mark_held_locks+0x130/0x130
[  246.447674]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  246.453208]  ? rcu_pm_notify+0xc0/0xc0
[  246.457095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.462629]  __handle_mm_fault+0x3ea0/0x5be0
[  246.467043]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  246.471883]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.476378]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  246.481131]  ? trace_hardirqs_on+0xbd/0x310
[  246.485446]  ? kasan_check_read+0x11/0x20
[  246.489587]  ? __set_current_blocked+0xdf/0x120
[  246.494254]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.499366]  ? zap_class+0x640/0x640
[  246.503072]  ? zap_class+0x640/0x640
[  246.506788]  ? find_held_lock+0x36/0x1c0
[  246.510857]  ? handle_mm_fault+0x42a/0xc70
[  246.515092]  ? lock_downgrade+0x900/0x900
[  246.519238]  ? check_preemption_disabled+0x48/0x280
[  246.524280]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  246.529203]  ? kasan_check_read+0x11/0x20
[  246.533352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.538621]  ? rcu_softirq_qs+0x20/0x20
[  246.542587]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.547686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.553221]  ? check_preemption_disabled+0x48/0x280
[  246.558242]  handle_mm_fault+0x54f/0xc70
[  246.562300]  ? __handle_mm_fault+0x5be0/0x5be0
[  246.566880]  ? find_vma+0x34/0x190
[  246.570420]  __do_page_fault+0x5e8/0xe60
[  246.574485]  ? exit_to_usermode_loop+0x1f4/0x380
[  246.579244]  do_page_fault+0xf2/0x7e0
[  246.583040]  ? vmalloc_sync_all+0x30/0x30
[  246.587181]  ? error_entry+0x70/0xd0
[  246.590896]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.595904]  ? trace_hardirqs_on_caller+0xc0/0x310
[  246.600831]  ? syscall_return_slowpath+0x5e0/0x5e0
[  246.605757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.610779]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.615804]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.621251]  ? prepare_exit_to_usermode+0x291/0x3b0
[  246.626261]  ? page_fault+0x8/0x30
[  246.629808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.634647]  ? page_fault+0x8/0x30
[  246.638185]  page_fault+0x1e/0x30
[  246.641635] RIP: 0033:0x45db60
[  246.644840] Code: Bad RIP value.
[  246.648212] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  246.653568] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  246.660834] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  246.668098] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  246.675360] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  246.682624] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  246.689914] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  246.689973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.696661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.696666] Call Trace:
[  246.696683]  dump_stack+0x244/0x39d
[  246.696702]  ? dump_stack_print_info.cold.1+0x20/0x20
[  246.703243] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.712527]  warn_alloc.cold.116+0xb7/0x1bd
[  246.715074] syz-fuzzer cpuset=/ mems_allowed=0
[  246.718688]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.747776]  ? lock_downgrade+0x900/0x900
[  246.751935]  ? trace_hardirqs_off+0xb8/0x310
[  246.756343]  ? trace_hardirqs_off+0xb8/0x310
[  246.760757]  __alloc_pages_slowpath+0x26e8/0x2e10
[  246.765627]  ? warn_alloc+0x120/0x120
[  246.769428]  ? print_usage_bug+0xc0/0xc0
[  246.773486]  ? warn_alloc+0x120/0x120
[  246.777286]  ? warn_alloc+0x120/0x120
[  246.781085]  ? print_usage_bug+0xc0/0xc0
[  246.785148]  ? print_usage_bug+0xc0/0xc0
[  246.789203]  ? __lock_acquire+0x62f/0x4c20
[  246.793436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.798969]  ? should_fail+0x22d/0xd01
[  246.802854]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.807955]  ? __lock_acquire+0x62f/0x4c20
[  246.812189]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.817284]  ? __lock_acquire+0x62f/0x4c20
[  246.821512]  ? should_fail+0x22d/0xd01
[  246.825394]  ? find_held_lock+0x36/0x1c0
[  246.829455]  ? mark_held_locks+0x130/0x130
[  246.833689]  ? mark_held_locks+0x130/0x130
[  246.837916]  ? zap_class+0x640/0x640
[  246.841625]  ? zap_class+0x640/0x640
[  246.845336]  ? print_usage_bug+0xc0/0xc0
[  246.849481]  ? do_raw_spin_unlock+0xa7/0x330
[  246.853887]  ? zap_class+0x640/0x640
[  246.857598]  ? print_usage_bug+0xc0/0xc0
[  246.861654]  ? wq_watchdog_touch+0x9c/0xfe
[  246.865887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.871425]  ? check_preemption_disabled+0x48/0x280
[  246.876442]  ? __lock_is_held+0xb5/0x140
[  246.880502]  __alloc_pages_nodemask+0xa80/0xde0
[  246.885168]  ? zap_class+0x640/0x640
[  246.888879]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  246.893903]  ? find_held_lock+0x36/0x1c0
[  246.897968]  ? ____cache_alloc_node+0x1c7/0x1e0
[  246.902636]  ? lock_downgrade+0x900/0x900
[  246.906791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.912332]  cache_grow_begin+0xa5/0x8c0
[  246.916388]  ? do_raw_spin_unlock+0xa7/0x330
[  246.920804]  fallback_alloc+0x204/0x2e0
[  246.924801]  ____cache_alloc_node+0x1c7/0x1e0
[  246.929303]  kmem_cache_alloc_node+0xe3/0x730
[  246.933803]  ? ipv6_get_ifaddr+0x42e/0x620
[  246.938050]  __alloc_skb+0x119/0x770
[  246.941758]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.947043]  ? netdev_alloc_frag+0x1f0/0x1f0
[  246.951449]  ? lock_downgrade+0x900/0x900
[  246.955602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.961138]  ? refcount_sub_and_test_checked+0x203/0x310
[  246.966585]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  246.972031]  ? addrconf_rs_timer+0x690/0x690
[  246.976445]  ndisc_alloc_skb+0x144/0x340
[  246.980514]  ndisc_send_rs+0x331/0x6e0
[  246.984402]  addrconf_rs_timer+0x314/0x690
[  246.988636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.992876]  call_timer_fn+0x272/0x920
[  246.996756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.000991]  ? process_timeout+0x40/0x40
[  247.005056]  ? __run_timers+0x7da/0xc70
[  247.009461]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.013964]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.018455]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.022689]  ? lockdep_hardirqs_on+0x296/0x5b0
[  247.027271]  ? trace_hardirqs_on+0xbd/0x310
[  247.031589]  ? kasan_check_read+0x11/0x20
[  247.035733]  ? __run_timers+0x7da/0xc70
[  247.039712]  ? trace_hardirqs_off_caller+0x310/0x310
[  247.044819]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.049062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.053291]  __run_timers+0x7e5/0xc70
[  247.057095]  ? timer_fixup_init+0x70/0x70
[  247.061235]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.065721]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.070214]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  247.074798]  ? trace_hardirqs_on+0xbd/0x310
[  247.079113]  ? kasan_check_read+0x11/0x20
[  247.083257]  ? finish_task_switch+0x1f4/0x910
[  247.087750]  ? trace_hardirqs_off_caller+0x310/0x310
[  247.092853]  ? compat_start_thread+0x80/0x80
[  247.097274]  ? pvclock_read_flags+0x160/0x160
[  247.101766]  ? __switch_to_asm+0x34/0x70
[  247.105829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.111361]  ? check_preemption_disabled+0x48/0x280
[  247.116384]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  247.121926]  ? rcu_pm_notify+0xc0/0xc0
[  247.125820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.131351]  ? check_preemption_disabled+0x48/0x280
[  247.136370]  run_timer_softirq+0x52/0xb0
[  247.140423]  ? rcu_read_lock_sched_held+0x14f/0x180
[  247.145437]  __do_softirq+0x308/0xb7e
[  247.149244]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  247.154343]  ? smpboot_thread_fn+0x334/0xa00
[  247.158760]  ? schedule+0x108/0x460
[  247.162384]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.167141]  ? trace_hardirqs_off+0xb8/0x310
[  247.171546]  ? smpboot_thread_fn+0x68b/0xa00
[  247.176036]  ? trace_hardirqs_on+0x310/0x310
[  247.180442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.185980]  ? check_preemption_disabled+0x48/0x280
[  247.190995]  ? takeover_tasklets+0xa90/0xa90
[  247.195401]  run_ksoftirqd+0x5e/0x100
[  247.199194]  smpboot_thread_fn+0x68b/0xa00
[  247.203428]  ? sort_range+0x30/0x30
[  247.207049]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  247.212148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.217684]  ? __kthread_parkme+0xfb/0x1a0
[  247.221917]  ? sort_range+0x30/0x30
[  247.225538]  kthread+0x35a/0x440
[  247.228899]  ? kthread_stop+0x900/0x900
[  247.232870]  ret_from_fork+0x3a/0x50
[  247.236595] warn_alloc_show_mem: 1 callbacks suppressed
[  247.236605] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  247.236606] Mem-Info:
[  247.236637] active_anon:52607 inactive_anon:182 isolated_anon:0
[  247.236637]  active_file:12 inactive_file:11 isolated_file:0
[  247.236637]  unevictable:0 dirty:0 writeback:0 unstable:0
[  247.236637]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  247.236637]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  247.236637]  free:13782 free_pcp:358 free_cma:0
[  247.241982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.249036] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  247.251423] Call Trace:
[  247.284283] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  247.293623]  <IRQ>
[  247.321090] lowmem_reserve[]: 0 2818 6321 6321
[  247.323673]  dump_stack+0x244/0x39d
[  247.349755] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  247.351902]  ? dump_stack_print_info.cold.1+0x20/0x20
[  247.356450] lowmem_reserve[]: 0 0 3503 3503
[  247.360077]  warn_alloc.cold.116+0xb7/0x1bd
[  247.387713] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  247.392904]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.397193] lowmem_reserve[]: 0 0 0 0
[  247.401503]  ? lock_downgrade+0x900/0x900
[  247.430455] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  247.435302]  ? trace_hardirqs_off+0xb8/0x310
[  247.439070] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  247.443213]  ? trace_hardirqs_off+0xb8/0x310
[  247.456717] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  247.461131]  __alloc_pages_slowpath+0x26e8/0x2e10
[  247.476276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  247.480698]  ? warn_alloc+0x120/0x120
[  247.495565] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  247.500389]  ? print_usage_bug+0xc0/0xc0
[  247.509195] 266 total pagecache pages
[  247.512984]  ? warn_alloc+0x120/0x120
[  247.521536] 0 pages in swap cache
[  247.525580]  ? warn_alloc+0x120/0x120
[  247.529351] Swap cache stats: add 0, delete 0, find 0/0
[  247.529359] Free swap  = 0kB
[  247.533149]  ? print_usage_bug+0xc0/0xc0
[  247.536576] Total swap = 0kB
[  247.540366]  ? kvm_clock_read+0x18/0x30
[  247.545699] 1965979 pages RAM
[  247.548715]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  247.552751] 0 pages HighMem/MovableOnly
[  247.555754]  ? print_usage_bug+0xc0/0xc0
[  247.559701] 342854 pages reserved
[  247.562798]  ? __lock_acquire+0x62f/0x4c20
[  247.567782] 0 pages cma reserved
[  247.571753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.575865] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  247.579234]  ? should_fail+0x22d/0xd01
[  247.583510] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.586790]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.592296] ksoftirqd/0 cpuset=/ mems_allowed=0
[  247.598775]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.627915]  ? __lock_acquire+0x62f/0x4c20
[  247.632151]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.637587]  ? __lock_acquire+0x62f/0x4c20
[  247.641822]  ? should_fail+0x22d/0xd01
[  247.645700]  ? rcu_irq_exit+0x1a2/0x390
[  247.649688]  ? mark_held_locks+0x130/0x130
[  247.653941]  ? mark_held_locks+0x130/0x130
[  247.658176]  ? mark_held_locks+0xc7/0x130
[  247.662326]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  247.667340]  ? zap_class+0x640/0x640
[  247.671052]  ? print_usage_bug+0xc0/0xc0
[  247.675111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.680642]  ? check_preemption_disabled+0x48/0x280
[  247.685662]  ? __lock_is_held+0xb5/0x140
[  247.689734]  __alloc_pages_nodemask+0xa80/0xde0
[  247.694398]  ? zap_class+0x640/0x640
[  247.698112]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  247.703134]  ? find_held_lock+0x36/0x1c0
[  247.707199]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.711863]  ? lock_downgrade+0x900/0x900
[  247.716012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.721548]  cache_grow_begin+0xa5/0x8c0
[  247.725603]  ? do_raw_spin_unlock+0xa7/0x330
[  247.730011]  fallback_alloc+0x204/0x2e0
[  247.733985]  ____cache_alloc_node+0x1c7/0x1e0
[  247.738482]  kmem_cache_alloc_node+0xe3/0x730
[  247.742972]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.747211]  __alloc_skb+0x119/0x770
[  247.750925]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.756201]  ? netdev_alloc_frag+0x1f0/0x1f0
[  247.760603]  ? lock_downgrade+0x900/0x900
[  247.765013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.770556]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.776181]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.781632]  ? addrconf_rs_timer+0x690/0x690
[  247.786045]  ndisc_alloc_skb+0x144/0x340
[  247.790103]  ndisc_send_rs+0x331/0x6e0
[  247.793991]  addrconf_rs_timer+0x314/0x690
[  247.798228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.802475]  call_timer_fn+0x272/0x920
[  247.806837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.811074]  ? process_timeout+0x40/0x40
[  247.815139]  ? mark_held_locks+0xc7/0x130
[  247.819293]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.823781]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.828269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.832499]  ? lockdep_hardirqs_on+0x296/0x5b0
[  247.837078]  ? trace_hardirqs_on+0xbd/0x310
[  247.841394]  ? kasan_check_read+0x11/0x20
[  247.845535]  ? __run_timers+0x7da/0xc70
[  247.849513]  ? trace_hardirqs_off_caller+0x310/0x310
[  247.854616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.858854]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.863084]  __run_timers+0x7e5/0xc70
[  247.866890]  ? timer_fixup_init+0x70/0x70
[  247.871034]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  247.876046]  ? zap_class+0x640/0x640
[  247.879763]  ? print_usage_bug+0xc0/0xc0
[  247.883819]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  247.889009]  ? find_held_lock+0x36/0x1c0
[  247.893068]  ? zap_class+0x640/0x640
[  247.896783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.902320]  ? check_preemption_disabled+0x48/0x280
[  247.907337]  ? __lock_is_held+0xb5/0x140
[  247.911399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.916932]  ? check_preemption_disabled+0x48/0x280
[  247.921951]  run_timer_softirq+0x52/0xb0
[  247.926009]  ? rcu_read_lock_sched_held+0x14f/0x180
[  247.931018]  __do_softirq+0x308/0xb7e
[  247.934836]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  247.939329]  ? lock_downgrade+0x900/0x900
[  247.943474]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  247.948577]  ? pvclock_read_flags+0x160/0x160
[  247.953072]  ? lapic_next_event+0x5a/0x90
[  247.957224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.962760]  ? kvm_clock_read+0x18/0x30
[  247.966727]  ? kvm_sched_clock_read+0x9/0x20
[  247.971151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.976691]  ? check_preemption_disabled+0x48/0x280
[  247.981716]  irq_exit+0x17f/0x1c0
[  247.985164]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.990000]  ? smp_reschedule_interrupt+0x109/0x650
[  247.995013]  ? smp_call_function_single_interrupt+0x650/0x650
[  248.000895]  ? interrupt_entry+0xb5/0xc0
[  248.004966]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.009977]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.014990]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.019833]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.024846]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.029860]  ? task_prio+0x50/0x50
[  248.033395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.038926]  ? check_preemption_disabled+0x48/0x280
[  248.043945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.048790]  apic_timer_interrupt+0xf/0x20
[  248.053011]  </IRQ>
[  248.055243] RIP: 0010:lock_is_held_type+0x18b/0x210
[  248.060260] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  248.079157] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  248.086857] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  248.094120] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  248.101382] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  248.108642] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  248.115913] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  248.123200]  rcu_read_lock_held+0xa9/0xc0
[  248.127346]  css_next_child+0x2a2/0x620
[  248.131320]  ? cgroup_mount+0xd30/0xd30
[  248.135293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.140829]  ? check_preemption_disabled+0x48/0x280
[  248.145851]  ? __lock_is_held+0xb5/0x140
[  248.149933]  css_next_descendant_pre+0xeb/0x190
[  248.154604]  mem_cgroup_iter+0x42f/0x1160
[  248.158749]  ? kasan_check_write+0x14/0x20
[  248.162987]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  248.167736]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  248.172752]  ? shrink_slab+0xfa/0x8c0
[  248.176550]  ? shrink_active_list+0x1f00/0x1f00
[  248.181225]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  248.186845]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.191947]  ? cgroup_procs_write_finish+0xf0/0xf0
[  248.196879]  ? find_held_lock+0x36/0x1c0
[  248.200938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.206474]  ? vmpressure+0x1a2/0x340
[  248.210270]  shrink_node+0x516/0x16b0
[  248.214068]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  248.219359]  ? shrink_node_memcg+0x18f0/0x18f0
[  248.223938]  ? kvm_clock_read+0x18/0x30
[  248.227994]  ? ktime_get+0x2c1/0x400
[  248.231711]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  248.236212]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  248.241747]  ? __cpuset_node_allowed+0x19b/0x660
[  248.246499]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  248.252214]  ? delayacct_end+0x5a/0x100
[  248.256201]  do_try_to_free_pages+0x3e7/0x1290
[  248.260782]  ? zap_class+0x640/0x640
[  248.264507]  ? shrink_node+0x16b0/0x16b0
[  248.268568]  ? __lock_is_held+0xb5/0x140
[  248.272633]  try_to_free_pages+0x4d0/0xb90
[  248.276872]  ? do_try_to_free_pages+0x1290/0x1290
[  248.281756]  ? lock_acquire+0x1ed/0x520
[  248.285741]  ? set_page_refcounted+0x280/0x280
[  248.290327]  ? lock_release+0xa00/0xa00
[  248.294297]  ? _raw_spin_unlock_irq+0x60/0x80
[  248.298790]  ? psi_memstall_enter+0x240/0x2b0
[  248.303284]  ? psi_memstall_tick+0x230/0x230
[  248.307701]  __alloc_pages_slowpath+0xa14/0x2e10
[  248.312479]  ? warn_alloc+0x120/0x120
[  248.316271]  ? mark_held_locks+0x130/0x130
[  248.320504]  ? find_get_entry+0xaae/0x1120
[  248.324744]  ? filemap_map_pages+0x1a20/0x1a20
[  248.329324]  ? zap_class+0x640/0x640
[  248.333039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.338569]  ? check_preemption_disabled+0x48/0x280
[  248.343578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.349112]  ? should_fail+0x22d/0xd01
[  248.352998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.358099]  ? zap_class+0x640/0x640
[  248.361899]  ? __lock_is_held+0xb5/0x140
[  248.365962]  ? mark_held_locks+0x130/0x130
[  248.370200]  ? lock_release+0xa00/0xa00
[  248.374170]  ? perf_trace_sched_process_exec+0x860/0x860
[  248.379616]  ? xa_load+0x2ba/0x460
[  248.383157]  ? lock_downgrade+0x900/0x900
[  248.387305]  ? __might_sleep+0x95/0x190
[  248.391281]  __alloc_pages_nodemask+0xa80/0xde0
[  248.396037]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  248.401052]  ? __page_cache_alloc+0x191/0x5c0
[  248.405552]  ? xa_load+0x2e1/0x460
[  248.409099]  ? xa_clear_mark+0x40/0x40
[  248.412984]  ? zap_class+0x640/0x640
[  248.416701]  ? zap_class+0x640/0x640
[  248.420409]  ? zap_class+0x640/0x640
[  248.424121]  ? __do_page_cache_readahead+0x663/0x810
[  248.429227]  ? find_held_lock+0x36/0x1c0
[  248.433287]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  248.438835]  alloc_pages_current+0x173/0x350
[  248.443246]  __page_cache_alloc+0x38c/0x5c0
[  248.447559]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.452481]  ? kasan_check_read+0x11/0x20
[  248.456627]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.461906]  ? generic_perform_write+0x6a0/0x6a0
[  248.466663]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.472206]  ? check_preemption_disabled+0x48/0x280
[  248.477222]  filemap_fault+0x1595/0x25f0
[  248.481291]  ? __lock_page_or_retry+0xa00/0xa00
[  248.485958]  ? mark_held_locks+0x130/0x130
[  248.490200]  ? filemap_map_pages+0xd6b/0x1a20
[  248.494695]  ? lock_downgrade+0x900/0x900
[  248.498841]  ? check_preemption_disabled+0x48/0x280
[  248.503852]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.508787]  ? kasan_check_read+0x11/0x20
[  248.512931]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.518202]  ? rcu_softirq_qs+0x20/0x20
[  248.522196]  ? filemap_map_pages+0xd92/0x1a20
[  248.526692]  ? print_usage_bug+0xc0/0xc0
[  248.530754]  ? find_get_entries_tag+0x1400/0x1400
[  248.535591]  ? __kasan_slab_free+0x102/0x150
[  248.539993]  ? kasan_slab_free+0xe/0x10
[  248.543960]  ? kmem_cache_free+0x83/0x290
[  248.548122]  ? __sigqueue_free.part.29+0x74/0x90
[  248.552889]  ? lock_acquire+0x1ed/0x520
[  248.556861]  ? ext4_filemap_fault+0x7a/0xad
[  248.561185]  ? lock_release+0xa00/0xa00
[  248.565155]  ? perf_trace_sched_process_exec+0x860/0x860
[  248.570604]  ? print_usage_bug+0xc0/0xc0
[  248.574666]  ? print_usage_bug+0xc0/0xc0
[  248.578819]  ? down_read+0x8d/0x120
[  248.582698]  ? ext4_filemap_fault+0x7a/0xad
[  248.587020]  ? __down_interruptible+0x700/0x700
[  248.591691]  ext4_filemap_fault+0x82/0xad
[  248.595840]  __do_fault+0x100/0x6b0
[  248.599467]  ? pmd_devmap_trans_unstable+0x220/0x220
[  248.604568]  ? mark_held_locks+0x130/0x130
[  248.608797]  ? mark_held_locks+0x130/0x130
[  248.613026]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  248.618560]  ? rcu_pm_notify+0xc0/0xc0
[  248.622448]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.627983]  __handle_mm_fault+0x3ea0/0x5be0
[  248.632395]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  248.637229]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.641723]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  248.646304]  ? trace_hardirqs_on+0xbd/0x310
[  248.650617]  ? kasan_check_read+0x11/0x20
[  248.655025]  ? __set_current_blocked+0xdf/0x120
[  248.659691]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.664799]  ? zap_class+0x640/0x640
[  248.668506]  ? zap_class+0x640/0x640
[  248.672218]  ? find_held_lock+0x36/0x1c0
[  248.676421]  ? handle_mm_fault+0x42a/0xc70
[  248.680654]  ? lock_downgrade+0x900/0x900
[  248.684801]  ? check_preemption_disabled+0x48/0x280
[  248.689817]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.694739]  ? kasan_check_read+0x11/0x20
[  248.698881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.704149]  ? rcu_softirq_qs+0x20/0x20
[  248.708127]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.713232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.718767]  ? check_preemption_disabled+0x48/0x280
[  248.723783]  handle_mm_fault+0x54f/0xc70
[  248.727845]  ? __handle_mm_fault+0x5be0/0x5be0
[  248.732431]  ? find_vma+0x34/0x190
[  248.735969]  __do_page_fault+0x5e8/0xe60
[  248.740027]  ? exit_to_usermode_loop+0x1f4/0x380
[  248.744784]  do_page_fault+0xf2/0x7e0
[  248.748584]  ? vmalloc_sync_all+0x30/0x30
[  248.752731]  ? error_entry+0x70/0xd0
[  248.756527]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.761535]  ? trace_hardirqs_on_caller+0xc0/0x310
[  248.766460]  ? syscall_return_slowpath+0x5e0/0x5e0
[  248.771385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.776227]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.781240]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.786694]  ? prepare_exit_to_usermode+0x291/0x3b0
[  248.791708]  ? page_fault+0x8/0x30
[  248.795247]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.800090]  ? page_fault+0x8/0x30
[  248.803636]  page_fault+0x1e/0x30
[  248.807085] RIP: 0033:0x45db60
[  248.810281] Code: Bad RIP value.
[  248.813640] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  248.818993] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  248.826256] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  248.833521] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  248.840786] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  248.848053] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  248.855337] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  248.855397] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.862084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.862088] Call Trace:
[  248.862105]  dump_stack+0x244/0x39d
[  248.862126]  ? dump_stack_print_info.cold.1+0x20/0x20
[  248.868647] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.877965]  warn_alloc.cold.116+0xb7/0x1bd
[  248.880526] syz-fuzzer cpuset=/ mems_allowed=0
[  248.884142]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.913205]  ? lock_downgrade+0x900/0x900
[  248.917355]  ? trace_hardirqs_off+0xb8/0x310
[  248.921764]  ? trace_hardirqs_off+0xb8/0x310
[  248.926171]  __alloc_pages_slowpath+0x26e8/0x2e10
[  248.931034]  ? warn_alloc+0x120/0x120
[  248.934831]  ? print_usage_bug+0xc0/0xc0
[  248.938887]  ? warn_alloc+0x120/0x120
[  248.942689]  ? warn_alloc+0x120/0x120
[  248.946489]  ? print_usage_bug+0xc0/0xc0
[  248.950553]  ? print_usage_bug+0xc0/0xc0
[  248.954620]  ? __lock_acquire+0x62f/0x4c20
[  248.958858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.964390]  ? should_fail+0x22d/0xd01
[  248.968280]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.973380]  ? __lock_acquire+0x62f/0x4c20
[  248.977621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.982726]  ? __lock_acquire+0x62f/0x4c20
[  248.986954]  ? should_fail+0x22d/0xd01
[  248.990837]  ? find_held_lock+0x36/0x1c0
[  248.994900]  ? mark_held_locks+0x130/0x130
[  248.999135]  ? mark_held_locks+0x130/0x130
[  249.003364]  ? zap_class+0x640/0x640
[  249.007080]  ? mark_held_locks+0xc7/0x130
[  249.011220]  ? do_raw_spin_unlock+0xa7/0x330
[  249.015647]  ? zap_class+0x640/0x640
[  249.019354]  ? print_usage_bug+0xc0/0xc0
[  249.023417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.028958]  ? check_preemption_disabled+0x48/0x280
[  249.033977]  ? __lock_is_held+0xb5/0x140
[  249.038038]  __alloc_pages_nodemask+0xa80/0xde0
[  249.042707]  ? zap_class+0x640/0x640
[  249.046424]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  249.051445]  ? find_held_lock+0x36/0x1c0
[  249.055510]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.060173]  ? lock_downgrade+0x900/0x900
[  249.064321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.069859]  cache_grow_begin+0xa5/0x8c0
[  249.073919]  ? do_raw_spin_unlock+0xa7/0x330
[  249.078330]  fallback_alloc+0x204/0x2e0
[  249.082302]  ____cache_alloc_node+0x1c7/0x1e0
[  249.086807]  kmem_cache_alloc_node+0xe3/0x730
[  249.091302]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.095543]  __alloc_skb+0x119/0x770
[  249.099254]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.104533]  ? netdev_alloc_frag+0x1f0/0x1f0
[  249.108935]  ? lock_downgrade+0x900/0x900
[  249.113084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.118617]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.124070]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.129512]  ? addrconf_rs_timer+0x690/0x690
[  249.133924]  ndisc_alloc_skb+0x144/0x340
[  249.137986]  ndisc_send_rs+0x331/0x6e0
[  249.141878]  addrconf_rs_timer+0x314/0x690
[  249.146116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.150354]  call_timer_fn+0x272/0x920
[  249.154236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.158463]  ? process_timeout+0x40/0x40
[  249.162525]  ? __run_timers+0x7da/0xc70
[  249.166493]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.170984]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.175475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.179707]  ? lockdep_hardirqs_on+0x296/0x5b0
[  249.184287]  ? trace_hardirqs_on+0xbd/0x310
[  249.188610]  ? kasan_check_read+0x11/0x20
[  249.192757]  ? __run_timers+0x7da/0xc70
[  249.196724]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.201823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.206057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.210286]  __run_timers+0x7e5/0xc70
[  249.214093]  ? timer_fixup_init+0x70/0x70
[  249.218234]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.222723]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.227213]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  249.231794]  ? trace_hardirqs_on+0xbd/0x310
[  249.236107]  ? kasan_check_read+0x11/0x20
[  249.240254]  ? finish_task_switch+0x1f4/0x910
[  249.244848]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.249952]  ? compat_start_thread+0x80/0x80
[  249.254376]  ? pvclock_read_flags+0x160/0x160
[  249.258866]  ? __switch_to_asm+0x34/0x70
[  249.262925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.268459]  ? check_preemption_disabled+0x48/0x280
[  249.273476]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  249.279007]  ? rcu_pm_notify+0xc0/0xc0
[  249.282889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.288424]  ? check_preemption_disabled+0x48/0x280
[  249.293439]  run_timer_softirq+0x52/0xb0
[  249.297496]  ? rcu_read_lock_sched_held+0x14f/0x180
[  249.302508]  __do_softirq+0x308/0xb7e
[  249.306317]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  249.311415]  ? smpboot_thread_fn+0x334/0xa00
[  249.315908]  ? schedule+0x108/0x460
[  249.319530]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.324290]  ? trace_hardirqs_off+0xb8/0x310
[  249.328692]  ? smpboot_thread_fn+0x68b/0xa00
[  249.333097]  ? trace_hardirqs_on+0x310/0x310
[  249.337499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.343032]  ? check_preemption_disabled+0x48/0x280
[  249.348041]  ? takeover_tasklets+0xa90/0xa90
[  249.352445]  run_ksoftirqd+0x5e/0x100
[  249.356238]  smpboot_thread_fn+0x68b/0xa00
[  249.360473]  ? sort_range+0x30/0x30
[  249.364091]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  249.369188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.374724]  ? __kthread_parkme+0xfb/0x1a0
[  249.378957]  ? sort_range+0x30/0x30
[  249.382589]  kthread+0x35a/0x440
[  249.385958]  ? kthread_stop+0x900/0x900
[  249.389928]  ret_from_fork+0x3a/0x50
[  249.393654] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  249.393659] warn_alloc_show_mem: 1 callbacks suppressed
[  249.393665] Mem-Info:
[  249.400585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.405948] active_anon:52607 inactive_anon:182 isolated_anon:0
[  249.405948]  active_file:12 inactive_file:11 isolated_file:0
[  249.405948]  unevictable:0 dirty:0 writeback:0 unstable:0
[  249.405948]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  249.405948]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  249.405948]  free:13782 free_pcp:358 free_cma:0
[  249.408322] Call Trace:
[  249.417699] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  249.450549]  <IRQ>
[  249.453120] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  249.480605]  dump_stack+0x244/0x39d
[  249.480623]  ? dump_stack_print_info.cold.1+0x20/0x20
[  249.482755] lowmem_reserve[]: 0 2818 6321 6321
[  249.508860]  warn_alloc.cold.116+0xb7/0x1bd
[  249.512451] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  249.517633]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.522183] lowmem_reserve[]: 0 0 3503 3503
[  249.526495]  ? lock_downgrade+0x900/0x900
[  249.554132] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  249.558970]  ? trace_hardirqs_off+0xb8/0x310
[  249.563257] lowmem_reserve[]: 0 0 0 0
[  249.567398]  ? trace_hardirqs_off+0xb8/0x310
[  249.596337] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  249.600739]  __alloc_pages_slowpath+0x26e8/0x2e10
[  249.604507] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  249.608926]  ? warn_alloc+0x120/0x120
[  249.622395] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  249.627237]  ? print_usage_bug+0xc0/0xc0
[  249.642874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  249.646664]  ? warn_alloc+0x120/0x120
[  249.661549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  249.665604]  ? warn_alloc+0x120/0x120
[  249.674423] 266 total pagecache pages
[  249.678205]  ? print_usage_bug+0xc0/0xc0
[  249.686756] 0 pages in swap cache
[  249.690549]  ? print_usage_bug+0xc0/0xc0
[  249.694321] Swap cache stats: add 0, delete 0, find 0/0
[  249.698367]  ? __lock_acquire+0x62f/0x4c20
[  249.701798] Free swap  = 0kB
[  249.705849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.711283] Total swap = 0kB
[  249.715502]  ? should_fail+0x22d/0xd01
[  249.718494] 1965979 pages RAM
[  249.724017]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.727006] 0 pages HighMem/MovableOnly
[  249.730879]  ? __lock_acquire+0x62f/0x4c20
[  249.733955] 342854 pages reserved
[  249.739046]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.742988] 0 pages cma reserved
[  249.747211]  ? __lock_acquire+0x62f/0x4c20
[  249.750694] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.755721]  ? should_fail+0x22d/0xd01
[  249.755736]  ? find_held_lock+0x36/0x1c0
[  249.755757]  ? mark_held_locks+0x130/0x130
[  249.759142] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.763314]  ? mark_held_locks+0x130/0x130
[  249.769778] ksoftirqd/0 cpuset=/ mems_allowed=0
[  249.773652]  ? zap_class+0x640/0x640
[  249.805271]  ? zap_class+0x640/0x640
[  249.808987]  ? print_usage_bug+0xc0/0xc0
[  249.813043]  ? do_raw_spin_unlock+0xa7/0x330
[  249.817461]  ? zap_class+0x640/0x640
[  249.821177]  ? print_usage_bug+0xc0/0xc0
[  249.825230]  ? wq_watchdog_touch+0x9c/0xfe
[  249.829474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.835006]  ? check_preemption_disabled+0x48/0x280
[  249.840025]  ? __lock_is_held+0xb5/0x140
[  249.844089]  __alloc_pages_nodemask+0xa80/0xde0
[  249.848752]  ? zap_class+0x640/0x640
[  249.852466]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  249.857487]  ? find_held_lock+0x36/0x1c0
[  249.861560]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.866223]  ? lock_downgrade+0x900/0x900
[  249.870372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.875908]  cache_grow_begin+0xa5/0x8c0
[  249.879992]  ? do_raw_spin_unlock+0xa7/0x330
[  249.884400]  fallback_alloc+0x204/0x2e0
[  249.888379]  ____cache_alloc_node+0x1c7/0x1e0
[  249.892874]  kmem_cache_alloc_node+0xe3/0x730
[  249.897363]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.901600]  __alloc_skb+0x119/0x770
[  249.905310]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.910586]  ? netdev_alloc_frag+0x1f0/0x1f0
[  249.914990]  ? lock_downgrade+0x900/0x900
[  249.919140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.924673]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.930121]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.935565]  ? addrconf_rs_timer+0x690/0x690
[  249.939977]  ndisc_alloc_skb+0x144/0x340
[  249.944040]  ndisc_send_rs+0x331/0x6e0
[  249.947934]  addrconf_rs_timer+0x314/0x690
[  249.952171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.956409]  call_timer_fn+0x272/0x920
[  249.960292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.964525]  ? process_timeout+0x40/0x40
[  249.968593]  ? mark_held_locks+0xc7/0x130
[  249.972751]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.977246]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.981734]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.985962]  ? lockdep_hardirqs_on+0x296/0x5b0
[  249.990547]  ? trace_hardirqs_on+0xbd/0x310
[  249.994864]  ? kasan_check_read+0x11/0x20
[  249.999004]  ? __run_timers+0x7da/0xc70
[  250.002974]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.008081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.012312]  __run_timers+0x7e5/0xc70
[  250.016115]  ? timer_fixup_init+0x70/0x70
[  250.020260]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  250.025272]  ? zap_class+0x640/0x640
[  250.028983]  ? print_usage_bug+0xc0/0xc0
[  250.033048]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  250.038240]  ? find_held_lock+0x36/0x1c0
[  250.042305]  ? zap_class+0x640/0x640
[  250.046017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.051551]  ? check_preemption_disabled+0x48/0x280
[  250.056570]  ? __lock_is_held+0xb5/0x140
[  250.060626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.066159]  ? check_preemption_disabled+0x48/0x280
[  250.071176]  run_timer_softirq+0x52/0xb0
[  250.075230]  ? rcu_read_lock_sched_held+0x14f/0x180
[  250.080241]  __do_softirq+0x308/0xb7e
[  250.084043]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  250.088534]  ? lock_downgrade+0x900/0x900
[  250.092682]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  250.097786]  ? pvclock_read_flags+0x160/0x160
[  250.102277]  ? lapic_next_event+0x5a/0x90
[  250.106426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.111970]  ? kvm_clock_read+0x18/0x30
[  250.115938]  ? kvm_sched_clock_read+0x9/0x20
[  250.120352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.125884]  ? check_preemption_disabled+0x48/0x280
[  250.130904]  irq_exit+0x17f/0x1c0
[  250.134352]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.139203]  ? smp_reschedule_interrupt+0x109/0x650
[  250.144212]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.150090]  ? interrupt_entry+0xb5/0xc0
[  250.154147]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.159158]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.164173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.169011]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.174026]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.179047]  ? task_prio+0x50/0x50
[  250.182594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.188125]  ? check_preemption_disabled+0x48/0x280
[  250.193140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.197987]  apic_timer_interrupt+0xf/0x20
[  250.202215]  </IRQ>
[  250.204450] RIP: 0010:lock_is_held_type+0x18b/0x210
[  250.209465] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  250.228365] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  250.236072] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  250.243334] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  250.250596] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  250.257861] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  250.265123] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  250.272415]  rcu_read_lock_held+0xa9/0xc0
[  250.276560]  css_next_child+0x2a2/0x620
[  250.280539]  ? cgroup_mount+0xd30/0xd30
[  250.284519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.290053]  ? check_preemption_disabled+0x48/0x280
[  250.295079]  ? __lock_is_held+0xb5/0x140
[  250.299159]  css_next_descendant_pre+0xeb/0x190
[  250.303826]  mem_cgroup_iter+0x42f/0x1160
[  250.307970]  ? kasan_check_write+0x14/0x20
[  250.312207]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  250.316957]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  250.321977]  ? shrink_slab+0xfa/0x8c0
[  250.325780]  ? shrink_active_list+0x1f00/0x1f00
[  250.330455]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  250.336089]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.341191]  ? cgroup_procs_write_finish+0xf0/0xf0
[  250.346124]  ? find_held_lock+0x36/0x1c0
[  250.350184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.355713]  ? vmpressure+0x1a2/0x340
[  250.359517]  shrink_node+0x516/0x16b0
[  250.363310]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  250.368604]  ? shrink_node_memcg+0x18f0/0x18f0
[  250.373189]  ? kvm_clock_read+0x18/0x30
[  250.377166]  ? ktime_get+0x2c1/0x400
[  250.380878]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  250.385369]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  250.390903]  ? __cpuset_node_allowed+0x19b/0x660
[  250.395659]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  250.401365]  ? delayacct_end+0x5a/0x100
[  250.405343]  do_try_to_free_pages+0x3e7/0x1290
[  250.409916]  ? zap_class+0x640/0x640
[  250.413637]  ? shrink_node+0x16b0/0x16b0
[  250.417787]  ? __lock_is_held+0xb5/0x140
[  250.421856]  try_to_free_pages+0x4d0/0xb90
[  250.426088]  ? do_try_to_free_pages+0x1290/0x1290
[  250.430939]  ? lock_acquire+0x1ed/0x520
[  250.434908]  ? set_page_refcounted+0x280/0x280
[  250.439497]  ? lock_release+0xa00/0xa00
[  250.443477]  ? _raw_spin_unlock_irq+0x60/0x80
[  250.447971]  ? psi_memstall_enter+0x240/0x2b0
[  250.452461]  ? psi_memstall_tick+0x230/0x230
[  250.456889]  __alloc_pages_slowpath+0xa14/0x2e10
[  250.461665]  ? warn_alloc+0x120/0x120
[  250.465458]  ? mark_held_locks+0x130/0x130
[  250.469698]  ? find_get_entry+0xaae/0x1120
[  250.473940]  ? filemap_map_pages+0x1a20/0x1a20
[  250.478521]  ? zap_class+0x640/0x640
[  250.482234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.487770]  ? check_preemption_disabled+0x48/0x280
[  250.492780]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.498310]  ? should_fail+0x22d/0xd01
[  250.502197]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.507314]  ? zap_class+0x640/0x640
[  250.511051]  ? __lock_is_held+0xb5/0x140
[  250.515114]  ? mark_held_locks+0x130/0x130
[  250.519348]  ? lock_release+0xa00/0xa00
[  250.523316]  ? perf_trace_sched_process_exec+0x860/0x860
[  250.528761]  ? xa_load+0x2ba/0x460
[  250.532298]  ? lock_downgrade+0x900/0x900
[  250.536452]  ? __might_sleep+0x95/0x190
[  250.540432]  __alloc_pages_nodemask+0xa80/0xde0
[  250.545112]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  250.550133]  ? __page_cache_alloc+0x191/0x5c0
[  250.554620]  ? xa_load+0x2e1/0x460
[  250.558161]  ? xa_clear_mark+0x40/0x40
[  250.562043]  ? zap_class+0x640/0x640
[  250.565758]  ? zap_class+0x640/0x640
[  250.569471]  ? zap_class+0x640/0x640
[  250.573179]  ? __do_page_cache_readahead+0x663/0x810
[  250.578279]  ? find_held_lock+0x36/0x1c0
[  250.582352]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  250.587890]  alloc_pages_current+0x173/0x350
[  250.592301]  __page_cache_alloc+0x38c/0x5c0
[  250.596704]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.601626]  ? kasan_check_read+0x11/0x20
[  250.605767]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.611044]  ? generic_perform_write+0x6a0/0x6a0
[  250.615794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.621326]  ? check_preemption_disabled+0x48/0x280
[  250.626344]  filemap_fault+0x1595/0x25f0
[  250.630411]  ? __lock_page_or_retry+0xa00/0xa00
[  250.635077]  ? mark_held_locks+0x130/0x130
[  250.639317]  ? filemap_map_pages+0xd6b/0x1a20
[  250.643812]  ? lock_downgrade+0x900/0x900
[  250.647953]  ? check_preemption_disabled+0x48/0x280
[  250.652966]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.657894]  ? kasan_check_read+0x11/0x20
[  250.662036]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.667306]  ? rcu_softirq_qs+0x20/0x20
[  250.671287]  ? filemap_map_pages+0xd92/0x1a20
[  250.675867]  ? print_usage_bug+0xc0/0xc0
[  250.679929]  ? find_get_entries_tag+0x1400/0x1400
[  250.684764]  ? __kasan_slab_free+0x102/0x150
[  250.689166]  ? kasan_slab_free+0xe/0x10
[  250.693138]  ? kmem_cache_free+0x83/0x290
[  250.697279]  ? __sigqueue_free.part.29+0x74/0x90
[  250.702046]  ? lock_acquire+0x1ed/0x520
[  250.706016]  ? ext4_filemap_fault+0x7a/0xad
[  250.710338]  ? lock_release+0xa00/0xa00
[  250.714307]  ? perf_trace_sched_process_exec+0x860/0x860
[  250.719756]  ? print_usage_bug+0xc0/0xc0
[  250.723815]  ? print_usage_bug+0xc0/0xc0
[  250.727881]  ? down_read+0x8d/0x120
[  250.731507]  ? ext4_filemap_fault+0x7a/0xad
[  250.735825]  ? __down_interruptible+0x700/0x700
[  250.740505]  ext4_filemap_fault+0x82/0xad
[  250.744651]  __do_fault+0x100/0x6b0
[  250.748279]  ? pmd_devmap_trans_unstable+0x220/0x220
[  250.753377]  ? mark_held_locks+0x130/0x130
[  250.757613]  ? mark_held_locks+0x130/0x130
[  250.761843]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  250.767395]  ? rcu_pm_notify+0xc0/0xc0
[  250.771283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.776819]  __handle_mm_fault+0x3ea0/0x5be0
[  250.781232]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  250.786068]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.790562]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  250.795141]  ? trace_hardirqs_on+0xbd/0x310
[  250.799461]  ? kasan_check_read+0x11/0x20
[  250.803894]  ? __set_current_blocked+0xdf/0x120
[  250.808574]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.813684]  ? zap_class+0x640/0x640
[  250.817393]  ? zap_class+0x640/0x640
[  250.821100]  ? find_held_lock+0x36/0x1c0
[  250.825157]  ? handle_mm_fault+0x42a/0xc70
[  250.829385]  ? lock_downgrade+0x900/0x900
[  250.833530]  ? check_preemption_disabled+0x48/0x280
[  250.838548]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.843472]  ? kasan_check_read+0x11/0x20
[  250.847616]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.852892]  ? rcu_softirq_qs+0x20/0x20
[  250.856860]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.861960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.867498]  ? check_preemption_disabled+0x48/0x280
[  250.872516]  handle_mm_fault+0x54f/0xc70
[  250.876575]  ? __handle_mm_fault+0x5be0/0x5be0
[  250.881157]  ? find_vma+0x34/0x190
[  250.884709]  __do_page_fault+0x5e8/0xe60
[  250.888765]  ? exit_to_usermode_loop+0x1f4/0x380
[  250.893526]  do_page_fault+0xf2/0x7e0
[  250.897322]  ? vmalloc_sync_all+0x30/0x30
[  250.901474]  ? error_entry+0x70/0xd0
[  250.905181]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.910192]  ? trace_hardirqs_on_caller+0xc0/0x310
[  250.915121]  ? syscall_return_slowpath+0x5e0/0x5e0
[  250.920044]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.924886]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.929895]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.935347]  ? prepare_exit_to_usermode+0x291/0x3b0
[  250.940356]  ? page_fault+0x8/0x30
[  250.943893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.948734]  ? page_fault+0x8/0x30
[  250.952272]  page_fault+0x1e/0x30
[  250.955718] RIP: 0033:0x45db60
[  250.958918] Code: Bad RIP value.
[  250.962275] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  250.967631] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  250.974899] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  250.982160] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  250.989420] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  250.996692] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  251.003981] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  251.004045] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.010732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.010740] Call Trace:
[  251.017296] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.026561]  dump_stack+0x244/0x39d
[  251.029118] syz-fuzzer cpuset=/ mems_allowed=0
[  251.039332]  ? dump_stack_print_info.cold.1+0x20/0x20
[  251.052684]  warn_alloc.cold.116+0xb7/0x1bd
[  251.057010]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.061948]  ? lock_downgrade+0x900/0x900
[  251.066097]  ? trace_hardirqs_off+0xb8/0x310
[  251.070507]  ? trace_hardirqs_off+0xb8/0x310
[  251.075005]  __alloc_pages_slowpath+0x26e8/0x2e10
[  251.079870]  ? warn_alloc+0x120/0x120
[  251.083672]  ? print_usage_bug+0xc0/0xc0
[  251.087727]  ? warn_alloc+0x120/0x120
[  251.091525]  ? warn_alloc+0x120/0x120
[  251.095320]  ? print_usage_bug+0xc0/0xc0
[  251.099383]  ? print_usage_bug+0xc0/0xc0
[  251.103444]  ? __lock_acquire+0x62f/0x4c20
[  251.107686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.113217]  ? should_fail+0x22d/0xd01
[  251.117192]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.122289]  ? __lock_acquire+0x62f/0x4c20
[  251.126524]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.131627]  ? __lock_acquire+0x62f/0x4c20
[  251.135854]  ? should_fail+0x22d/0xd01
[  251.139750]  ? find_held_lock+0x36/0x1c0
[  251.143812]  ? mark_held_locks+0x130/0x130
[  251.148045]  ? mark_held_locks+0x130/0x130
[  251.152274]  ? zap_class+0x640/0x640
[  251.155984]  ? zap_class+0x640/0x640
[  251.159693]  ? print_usage_bug+0xc0/0xc0
[  251.163748]  ? do_raw_spin_unlock+0xa7/0x330
[  251.168152]  ? zap_class+0x640/0x640
[  251.171859]  ? print_usage_bug+0xc0/0xc0
[  251.175914]  ? wq_watchdog_touch+0x9c/0xfe
[  251.180146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.185680]  ? check_preemption_disabled+0x48/0x280
[  251.190699]  ? __lock_is_held+0xb5/0x140
[  251.194762]  __alloc_pages_nodemask+0xa80/0xde0
[  251.199430]  ? zap_class+0x640/0x640
[  251.203145]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  251.208169]  ? find_held_lock+0x36/0x1c0
[  251.212237]  ? ____cache_alloc_node+0x1c7/0x1e0
[  251.216908]  ? lock_downgrade+0x900/0x900
[  251.221062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.226605]  cache_grow_begin+0xa5/0x8c0
[  251.230658]  ? do_raw_spin_unlock+0xa7/0x330
[  251.235070]  fallback_alloc+0x204/0x2e0
[  251.239047]  ____cache_alloc_node+0x1c7/0x1e0
[  251.243572]  kmem_cache_alloc_node+0xe3/0x730
[  251.248066]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.252311]  __alloc_skb+0x119/0x770
[  251.256021]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.261296]  ? netdev_alloc_frag+0x1f0/0x1f0
[  251.265699]  ? lock_downgrade+0x900/0x900
[  251.269848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.275378]  ? refcount_sub_and_test_checked+0x203/0x310
[  251.280836]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  251.286281]  ? addrconf_rs_timer+0x690/0x690
[  251.290693]  ndisc_alloc_skb+0x144/0x340
[  251.294769]  ndisc_send_rs+0x331/0x6e0
[  251.298656]  addrconf_rs_timer+0x314/0x690
[  251.302892]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.307136]  call_timer_fn+0x272/0x920
[  251.311021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.315252]  ? process_timeout+0x40/0x40
[  251.319317]  ? __run_timers+0x7da/0xc70
[  251.323293]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.327784]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.332273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.336502]  ? lockdep_hardirqs_on+0x296/0x5b0
[  251.341081]  ? trace_hardirqs_on+0xbd/0x310
[  251.345404]  ? kasan_check_read+0x11/0x20
[  251.349599]  ? __run_timers+0x7da/0xc70
[  251.353572]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.358680]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.362912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.367139]  __run_timers+0x7e5/0xc70
[  251.370943]  ? timer_fixup_init+0x70/0x70
[  251.375102]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.379592]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.384087]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  251.388663]  ? trace_hardirqs_on+0xbd/0x310
[  251.392999]  ? kasan_check_read+0x11/0x20
[  251.397145]  ? finish_task_switch+0x1f4/0x910
[  251.401636]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.406734]  ? compat_start_thread+0x80/0x80
[  251.411158]  ? pvclock_read_flags+0x160/0x160
[  251.415645]  ? __switch_to_asm+0x34/0x70
[  251.419705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.425241]  ? check_preemption_disabled+0x48/0x280
[  251.430262]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  251.435795]  ? rcu_pm_notify+0xc0/0xc0
[  251.439682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.445217]  ? check_preemption_disabled+0x48/0x280
[  251.450231]  run_timer_softirq+0x52/0xb0
[  251.454289]  ? rcu_read_lock_sched_held+0x14f/0x180
[  251.459303]  __do_softirq+0x308/0xb7e
[  251.463108]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  251.468205]  ? smpboot_thread_fn+0x334/0xa00
[  251.472712]  ? schedule+0x108/0x460
[  251.476463]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  251.481228]  ? trace_hardirqs_off+0xb8/0x310
[  251.485641]  ? smpboot_thread_fn+0x68b/0xa00
[  251.490054]  ? trace_hardirqs_on+0x310/0x310
[  251.494465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.500008]  ? check_preemption_disabled+0x48/0x280
[  251.505027]  ? takeover_tasklets+0xa90/0xa90
[  251.509442]  run_ksoftirqd+0x5e/0x100
[  251.513241]  smpboot_thread_fn+0x68b/0xa00
[  251.517475]  ? sort_range+0x30/0x30
[  251.521099]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.526197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.531733]  ? __kthread_parkme+0xfb/0x1a0
[  251.535965]  ? sort_range+0x30/0x30
[  251.539586]  kthread+0x35a/0x440
[  251.542959]  ? kthread_stop+0x900/0x900
[  251.546930]  ret_from_fork+0x3a/0x50
[  251.550650] warn_alloc_show_mem: 1 callbacks suppressed
[  251.550659] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  251.550661] Mem-Info:
[  251.550692] active_anon:52607 inactive_anon:182 isolated_anon:0
[  251.550692]  active_file:12 inactive_file:11 isolated_file:0
[  251.550692]  unevictable:0 dirty:0 writeback:0 unstable:0
[  251.550692]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  251.550692]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  251.550692]  free:13782 free_pcp:358 free_cma:0
[  251.556113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.563037] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  251.565430] Call Trace:
[  251.598390] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  251.607731]  <IRQ>
[  251.635197] lowmem_reserve[]: 0 2818 6321 6321
[  251.638101]  dump_stack+0x244/0x39d
[  251.664179] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  251.666323]  ? dump_stack_print_info.cold.1+0x20/0x20
[  251.670869] lowmem_reserve[]: 0 0 3503 3503
[  251.674497]  warn_alloc.cold.116+0xb7/0x1bd
[  251.702136] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  251.707316]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.711600] lowmem_reserve[]: 0 0 0 0
[  251.715921]  ? lock_downgrade+0x900/0x900
[  251.744883] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  251.749718]  ? trace_hardirqs_off+0xb8/0x310
[  251.753480] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  251.757630]  ? trace_hardirqs_off+0xb8/0x310
[  251.771114] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  251.775531]  __alloc_pages_slowpath+0x26e8/0x2e10
[  251.790675] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  251.795089]  ? warn_alloc+0x120/0x120
[  251.810368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  251.815208]  ? print_usage_bug+0xc0/0xc0
[  251.824007] 266 total pagecache pages
[  251.827795]  ? warn_alloc+0x120/0x120
[  251.836344] 0 pages in swap cache
[  251.840407]  ? warn_alloc+0x120/0x120
[  251.844186] Swap cache stats: add 0, delete 0, find 0/0
[  251.847969]  ? print_usage_bug+0xc0/0xc0
[  251.851399] Free swap  = 0kB
[  251.855188]  ? kvm_clock_read+0x18/0x30
[  251.860526] Total swap = 0kB
[  251.864575]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  251.867565] 1965979 pages RAM
[  251.871524]  ? print_usage_bug+0xc0/0xc0
[  251.874520] 0 pages HighMem/MovableOnly
[  251.879521]  ? __lock_acquire+0x62f/0x4c20
[  251.882603] 342854 pages reserved
[  251.886654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.890596] 0 pages cma reserved
[  251.894816]  ? should_fail+0x22d/0xd01
[  251.898299] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.903767]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.903784]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.903800]  ? __lock_acquire+0x62f/0x4c20
[  251.907192] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.911017]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.917476] ksoftirqd/0 cpuset=/ mems_allowed=0
[  251.922740]  ? __lock_acquire+0x62f/0x4c20
[  251.956369]  ? should_fail+0x22d/0xd01
[  251.960249]  ? rcu_irq_exit+0x1a2/0x390
[  251.964230]  ? mark_held_locks+0x130/0x130
[  251.968469]  ? mark_held_locks+0x130/0x130
[  251.972720]  ? mark_held_locks+0xc7/0x130
[  251.976861]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  251.981879]  ? zap_class+0x640/0x640
[  251.985586]  ? print_usage_bug+0xc0/0xc0
[  251.989655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.995191]  ? check_preemption_disabled+0x48/0x280
[  252.000215]  ? __lock_is_held+0xb5/0x140
[  252.004280]  __alloc_pages_nodemask+0xa80/0xde0
[  252.008950]  ? zap_class+0x640/0x640
[  252.012663]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  252.017687]  ? find_held_lock+0x36/0x1c0
[  252.021754]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.026419]  ? lock_downgrade+0x900/0x900
[  252.030567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.036102]  cache_grow_begin+0xa5/0x8c0
[  252.040161]  ? do_raw_spin_unlock+0xa7/0x330
[  252.044572]  fallback_alloc+0x204/0x2e0
[  252.048549]  ____cache_alloc_node+0x1c7/0x1e0
[  252.053042]  kmem_cache_alloc_node+0xe3/0x730
[  252.057530]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.061769]  __alloc_skb+0x119/0x770
[  252.065475]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.070749]  ? netdev_alloc_frag+0x1f0/0x1f0
[  252.075156]  ? lock_downgrade+0x900/0x900
[  252.079307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.084852]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.090303]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.095848]  ? addrconf_rs_timer+0x690/0x690
[  252.100266]  ndisc_alloc_skb+0x144/0x340
[  252.104324]  ndisc_send_rs+0x331/0x6e0
[  252.108217]  addrconf_rs_timer+0x314/0x690
[  252.112450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.116692]  call_timer_fn+0x272/0x920
[  252.120573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.124803]  ? process_timeout+0x40/0x40
[  252.128871]  ? mark_held_locks+0xc7/0x130
[  252.133015]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.137501]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.141987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.146218]  ? lockdep_hardirqs_on+0x296/0x5b0
[  252.150806]  ? trace_hardirqs_on+0xbd/0x310
[  252.155120]  ? kasan_check_read+0x11/0x20
[  252.159260]  ? __run_timers+0x7da/0xc70
[  252.163230]  ? trace_hardirqs_off_caller+0x310/0x310
[  252.168340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.172586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.176811]  __run_timers+0x7e5/0xc70
[  252.180618]  ? timer_fixup_init+0x70/0x70
[  252.184762]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  252.189773]  ? zap_class+0x640/0x640
[  252.193487]  ? print_usage_bug+0xc0/0xc0
[  252.197548]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  252.202744]  ? find_held_lock+0x36/0x1c0
[  252.206806]  ? zap_class+0x640/0x640
[  252.210521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.216054]  ? check_preemption_disabled+0x48/0x280
[  252.221077]  ? __lock_is_held+0xb5/0x140
[  252.225135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.230667]  ? check_preemption_disabled+0x48/0x280
[  252.235683]  run_timer_softirq+0x52/0xb0
[  252.239738]  ? rcu_read_lock_sched_held+0x14f/0x180
[  252.244760]  __do_softirq+0x308/0xb7e
[  252.248562]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  252.253051]  ? lock_downgrade+0x900/0x900
[  252.257460]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  252.262568]  ? pvclock_read_flags+0x160/0x160
[  252.267062]  ? lapic_next_event+0x5a/0x90
[  252.271205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.276745]  ? kvm_clock_read+0x18/0x30
[  252.280714]  ? kvm_sched_clock_read+0x9/0x20
[  252.285118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.290651]  ? check_preemption_disabled+0x48/0x280
[  252.295674]  irq_exit+0x17f/0x1c0
[  252.299127]  smp_apic_timer_interrupt+0x1cb/0x760
[  252.303962]  ? smp_reschedule_interrupt+0x109/0x650
[  252.308976]  ? smp_call_function_single_interrupt+0x650/0x650
[  252.314873]  ? interrupt_entry+0xb5/0xc0
[  252.318936]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.323958]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.328975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.333816]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.338827]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.343842]  ? task_prio+0x50/0x50
[  252.347387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.352923]  ? check_preemption_disabled+0x48/0x280
[  252.357943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.362791]  apic_timer_interrupt+0xf/0x20
[  252.367021]  </IRQ>
[  252.369252] RIP: 0010:lock_is_held_type+0x18b/0x210
[  252.374263] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  252.393155] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  252.400859] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  252.408120] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  252.415384] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  252.422647] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  252.429913] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  252.437203]  rcu_read_lock_held+0xa9/0xc0
[  252.441354]  css_next_child+0x2a2/0x620
[  252.445332]  ? cgroup_mount+0xd30/0xd30
[  252.449312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.454853]  ? check_preemption_disabled+0x48/0x280
[  252.459875]  ? __lock_is_held+0xb5/0x140
[  252.463946]  css_next_descendant_pre+0xeb/0x190
[  252.468615]  mem_cgroup_iter+0x42f/0x1160
[  252.472760]  ? kasan_check_write+0x14/0x20
[  252.476998]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  252.481749]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  252.486766]  ? shrink_slab+0xfa/0x8c0
[  252.490559]  ? shrink_active_list+0x1f00/0x1f00
[  252.495230]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  252.500851]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  252.505957]  ? cgroup_procs_write_finish+0xf0/0xf0
[  252.510895]  ? find_held_lock+0x36/0x1c0
[  252.514953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.520484]  ? vmpressure+0x1a2/0x340
[  252.524281]  shrink_node+0x516/0x16b0
[  252.528084]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  252.533379]  ? shrink_node_memcg+0x18f0/0x18f0
[  252.537961]  ? kvm_clock_read+0x18/0x30
[  252.541932]  ? ktime_get+0x2c1/0x400
[  252.545645]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  252.550142]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  252.555676]  ? __cpuset_node_allowed+0x19b/0x660
[  252.560427]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  252.566312]  ? delayacct_end+0x5a/0x100
[  252.570288]  do_try_to_free_pages+0x3e7/0x1290
[  252.574870]  ? zap_class+0x640/0x640
[  252.578592]  ? shrink_node+0x16b0/0x16b0
[  252.582651]  ? __lock_is_held+0xb5/0x140
[  252.586717]  try_to_free_pages+0x4d0/0xb90
[  252.591036]  ? do_try_to_free_pages+0x1290/0x1290
[  252.595885]  ? lock_acquire+0x1ed/0x520
[  252.599865]  ? set_page_refcounted+0x280/0x280
[  252.604452]  ? lock_release+0xa00/0xa00
[  252.608425]  ? _raw_spin_unlock_irq+0x60/0x80
[  252.612914]  ? psi_memstall_enter+0x240/0x2b0
[  252.617411]  ? psi_memstall_tick+0x230/0x230
[  252.621830]  __alloc_pages_slowpath+0xa14/0x2e10
[  252.626609]  ? warn_alloc+0x120/0x120
[  252.630405]  ? mark_held_locks+0x130/0x130
[  252.634638]  ? find_get_entry+0xaae/0x1120
[  252.638877]  ? filemap_map_pages+0x1a20/0x1a20
[  252.643459]  ? zap_class+0x640/0x640
[  252.647174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.652705]  ? check_preemption_disabled+0x48/0x280
[  252.657715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.663423]  ? should_fail+0x22d/0xd01
[  252.667316]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.672415]  ? zap_class+0x640/0x640
[  252.676144]  ? __lock_is_held+0xb5/0x140
[  252.680207]  ? mark_held_locks+0x130/0x130
[  252.684439]  ? lock_release+0xa00/0xa00
[  252.688414]  ? perf_trace_sched_process_exec+0x860/0x860
[  252.693862]  ? xa_load+0x2ba/0x460
[  252.697403]  ? lock_downgrade+0x900/0x900
[  252.701550]  ? __might_sleep+0x95/0x190
[  252.705522]  __alloc_pages_nodemask+0xa80/0xde0
[  252.710201]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  252.715214]  ? __page_cache_alloc+0x191/0x5c0
[  252.719701]  ? xa_load+0x2e1/0x460
[  252.723238]  ? xa_clear_mark+0x40/0x40
[  252.727124]  ? zap_class+0x640/0x640
[  252.730850]  ? zap_class+0x640/0x640
[  252.734558]  ? zap_class+0x640/0x640
[  252.738267]  ? __do_page_cache_readahead+0x663/0x810
[  252.743376]  ? find_held_lock+0x36/0x1c0
[  252.747446]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  252.752982]  alloc_pages_current+0x173/0x350
[  252.757391]  __page_cache_alloc+0x38c/0x5c0
[  252.761705]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  252.766633]  ? kasan_check_read+0x11/0x20
[  252.770778]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.776056]  ? generic_perform_write+0x6a0/0x6a0
[  252.780811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.786347]  ? check_preemption_disabled+0x48/0x280
[  252.791367]  filemap_fault+0x1595/0x25f0
[  252.795438]  ? __lock_page_or_retry+0xa00/0xa00
[  252.800102]  ? mark_held_locks+0x130/0x130
[  252.804339]  ? filemap_map_pages+0xd6b/0x1a20
[  252.808832]  ? lock_downgrade+0x900/0x900
[  252.812974]  ? check_preemption_disabled+0x48/0x280
[  252.817986]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  252.822923]  ? kasan_check_read+0x11/0x20
[  252.827064]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.832334]  ? rcu_softirq_qs+0x20/0x20
[  252.836318]  ? filemap_map_pages+0xd92/0x1a20
[  252.840820]  ? print_usage_bug+0xc0/0xc0
[  252.844885]  ? find_get_entries_tag+0x1400/0x1400
[  252.849724]  ? __kasan_slab_free+0x102/0x150
[  252.854126]  ? kasan_slab_free+0xe/0x10
[  252.858092]  ? kmem_cache_free+0x83/0x290
[  252.862234]  ? __sigqueue_free.part.29+0x74/0x90
[  252.867091]  ? lock_acquire+0x1ed/0x520
[  252.871066]  ? ext4_filemap_fault+0x7a/0xad
[  252.875387]  ? lock_release+0xa00/0xa00
[  252.879358]  ? perf_trace_sched_process_exec+0x860/0x860
[  252.884809]  ? print_usage_bug+0xc0/0xc0
[  252.888870]  ? print_usage_bug+0xc0/0xc0
[  252.892938]  ? down_read+0x8d/0x120
[  252.896558]  ? ext4_filemap_fault+0x7a/0xad
[  252.900888]  ? __down_interruptible+0x700/0x700
[  252.905559]  ext4_filemap_fault+0x82/0xad
[  252.909702]  __do_fault+0x100/0x6b0
[  252.913331]  ? pmd_devmap_trans_unstable+0x220/0x220
[  252.918430]  ? mark_held_locks+0x130/0x130
[  252.922661]  ? mark_held_locks+0x130/0x130
[  252.926892]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  252.932426]  ? rcu_pm_notify+0xc0/0xc0
[  252.936315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.941853]  __handle_mm_fault+0x3ea0/0x5be0
[  252.946272]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  252.951104]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.955598]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  252.960176]  ? trace_hardirqs_on+0xbd/0x310
[  252.964490]  ? kasan_check_read+0x11/0x20
[  252.968629]  ? __set_current_blocked+0xdf/0x120
[  252.973297]  ? trace_hardirqs_off_caller+0x310/0x310
[  252.978408]  ? zap_class+0x640/0x640
[  252.982114]  ? zap_class+0x640/0x640
[  252.985827]  ? find_held_lock+0x36/0x1c0
[  252.989900]  ? handle_mm_fault+0x42a/0xc70
[  252.994129]  ? lock_downgrade+0x900/0x900
[  252.998276]  ? check_preemption_disabled+0x48/0x280
[  253.003294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.008218]  ? kasan_check_read+0x11/0x20
[  253.012371]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.017640]  ? rcu_softirq_qs+0x20/0x20
[  253.021610]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.026709]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.032242]  ? check_preemption_disabled+0x48/0x280
[  253.037277]  handle_mm_fault+0x54f/0xc70
[  253.041334]  ? __handle_mm_fault+0x5be0/0x5be0
[  253.045915]  ? find_vma+0x34/0x190
[  253.049456]  __do_page_fault+0x5e8/0xe60
[  253.053518]  ? exit_to_usermode_loop+0x1f4/0x380
[  253.058286]  do_page_fault+0xf2/0x7e0
[  253.062085]  ? vmalloc_sync_all+0x30/0x30
[  253.066230]  ? error_entry+0x70/0xd0
[  253.069948]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.074960]  ? trace_hardirqs_on_caller+0xc0/0x310
[  253.079882]  ? syscall_return_slowpath+0x5e0/0x5e0
[  253.084812]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.089653]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.094664]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.100114]  ? prepare_exit_to_usermode+0x291/0x3b0
[  253.105128]  ? page_fault+0x8/0x30
[  253.108667]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.113505]  ? page_fault+0x8/0x30
[  253.117044]  page_fault+0x1e/0x30
[  253.120499] RIP: 0033:0x45db60
[  253.123696] Code: Bad RIP value.
[  253.127053] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  253.132416] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  253.139681] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  253.146941] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  253.154201] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  253.161463] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  253.168747] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  253.168810] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.175494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.175499] Call Trace:
[  253.175516]  dump_stack+0x244/0x39d
[  253.175535]  ? dump_stack_print_info.cold.1+0x20/0x20
[  253.182074] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.191355]  warn_alloc.cold.116+0xb7/0x1bd
[  253.193908] syz-fuzzer cpuset=/ mems_allowed=0
[  253.197521]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.226584]  ? lock_downgrade+0x900/0x900
[  253.230740]  ? trace_hardirqs_off+0xb8/0x310
[  253.235147]  ? trace_hardirqs_off+0xb8/0x310
[  253.239557]  __alloc_pages_slowpath+0x26e8/0x2e10
[  253.244599]  ? warn_alloc+0x120/0x120
[  253.248396]  ? print_usage_bug+0xc0/0xc0
[  253.252454]  ? warn_alloc+0x120/0x120
[  253.256261]  ? warn_alloc+0x120/0x120
[  253.260063]  ? print_usage_bug+0xc0/0xc0
[  253.264122]  ? print_usage_bug+0xc0/0xc0
[  253.268178]  ? __lock_acquire+0x62f/0x4c20
[  253.272413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.277946]  ? should_fail+0x22d/0xd01
[  253.281831]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.286931]  ? __lock_acquire+0x62f/0x4c20
[  253.291172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.296274]  ? __lock_acquire+0x62f/0x4c20
[  253.300501]  ? should_fail+0x22d/0xd01
[  253.304385]  ? find_held_lock+0x36/0x1c0
[  253.308464]  ? mark_held_locks+0x130/0x130
[  253.312718]  ? mark_held_locks+0x130/0x130
[  253.316949]  ? zap_class+0x640/0x640
[  253.320660]  ? zap_class+0x640/0x640
[  253.324369]  ? print_usage_bug+0xc0/0xc0
[  253.328424]  ? do_raw_spin_unlock+0xa7/0x330
[  253.332827]  ? zap_class+0x640/0x640
[  253.336534]  ? print_usage_bug+0xc0/0xc0
[  253.340592]  ? wq_watchdog_touch+0x9c/0xfe
[  253.344822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.350372]  ? check_preemption_disabled+0x48/0x280
[  253.355393]  ? __lock_is_held+0xb5/0x140
[  253.359453]  __alloc_pages_nodemask+0xa80/0xde0
[  253.364115]  ? zap_class+0x640/0x640
[  253.367832]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  253.372856]  ? find_held_lock+0x36/0x1c0
[  253.376923]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.381588]  ? lock_downgrade+0x900/0x900
[  253.385739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.391277]  cache_grow_begin+0xa5/0x8c0
[  253.395329]  ? do_raw_spin_unlock+0xa7/0x330
[  253.399740]  fallback_alloc+0x204/0x2e0
[  253.403719]  ____cache_alloc_node+0x1c7/0x1e0
[  253.408214]  kmem_cache_alloc_node+0xe3/0x730
[  253.412710]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.416953]  __alloc_skb+0x119/0x770
[  253.420671]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.425946]  ? netdev_alloc_frag+0x1f0/0x1f0
[  253.430350]  ? lock_downgrade+0x900/0x900
[  253.434526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.440065]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.445516]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.450963]  ? addrconf_rs_timer+0x690/0x690
[  253.455378]  ndisc_alloc_skb+0x144/0x340
[  253.459444]  ndisc_send_rs+0x331/0x6e0
[  253.463330]  addrconf_rs_timer+0x314/0x690
[  253.467562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.471802]  call_timer_fn+0x272/0x920
[  253.475682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.479909]  ? process_timeout+0x40/0x40
[  253.483971]  ? __run_timers+0x7da/0xc70
[  253.487942]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.492429]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.496919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.501148]  ? lockdep_hardirqs_on+0x296/0x5b0
[  253.505729]  ? trace_hardirqs_on+0xbd/0x310
[  253.510043]  ? kasan_check_read+0x11/0x20
[  253.514188]  ? __run_timers+0x7da/0xc70
[  253.518167]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.523271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.527507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.531738]  __run_timers+0x7e5/0xc70
[  253.535546]  ? timer_fixup_init+0x70/0x70
[  253.539691]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.544176]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.548677]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  253.553261]  ? trace_hardirqs_on+0xbd/0x310
[  253.557755]  ? kasan_check_read+0x11/0x20
[  253.561903]  ? finish_task_switch+0x1f4/0x910
[  253.566393]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.571488]  ? compat_start_thread+0x80/0x80
[  253.575909]  ? pvclock_read_flags+0x160/0x160
[  253.580488]  ? __switch_to_asm+0x34/0x70
[  253.584550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.590086]  ? check_preemption_disabled+0x48/0x280
[  253.595106]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  253.600639]  ? rcu_pm_notify+0xc0/0xc0
[  253.604521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.610060]  ? check_preemption_disabled+0x48/0x280
[  253.615074]  run_timer_softirq+0x52/0xb0
[  253.619133]  ? rcu_read_lock_sched_held+0x14f/0x180
[  253.624150]  __do_softirq+0x308/0xb7e
[  253.627954]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  253.633057]  ? smpboot_thread_fn+0x334/0xa00
[  253.637945]  ? schedule+0x108/0x460
[  253.641567]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  253.646329]  ? trace_hardirqs_off+0xb8/0x310
[  253.650736]  ? smpboot_thread_fn+0x68b/0xa00
[  253.655138]  ? trace_hardirqs_on+0x310/0x310
[  253.659548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.665170]  ? check_preemption_disabled+0x48/0x280
[  253.670194]  ? takeover_tasklets+0xa90/0xa90
[  253.674612]  run_ksoftirqd+0x5e/0x100
[  253.678411]  smpboot_thread_fn+0x68b/0xa00
[  253.682649]  ? sort_range+0x30/0x30
[  253.686273]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.691371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.696904]  ? __kthread_parkme+0xfb/0x1a0
[  253.701137]  ? sort_range+0x30/0x30
[  253.704759]  kthread+0x35a/0x440
[  253.708126]  ? kthread_stop+0x900/0x900
[  253.712099]  ret_from_fork+0x3a/0x50
[  253.715824] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  253.715829] warn_alloc_show_mem: 1 callbacks suppressed
[  253.715835] Mem-Info:
[  253.722755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.728120] active_anon:52607 inactive_anon:182 isolated_anon:0
[  253.728120]  active_file:12 inactive_file:11 isolated_file:0
[  253.728120]  unevictable:0 dirty:0 writeback:0 unstable:0
[  253.728120]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  253.728120]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  253.728120]  free:13782 free_pcp:358 free_cma:0
[  253.730489] Call Trace:
[  253.740646] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  253.773486]  <IRQ>
[  253.776053] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  253.804240]  dump_stack+0x244/0x39d
[  253.804259]  ? dump_stack_print_info.cold.1+0x20/0x20
[  253.806385] lowmem_reserve[]: 0 2818 6321 6321
[  253.832493]  warn_alloc.cold.116+0xb7/0x1bd
[  253.836086] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  253.841354]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.845902] lowmem_reserve[]: 0 0 3503 3503
[  253.850216]  ? lock_downgrade+0x900/0x900
[  253.877859] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  253.882699]  ? trace_hardirqs_off+0xb8/0x310
[  253.886987] lowmem_reserve[]: 0 0 0 0
[  253.891129]  ? trace_hardirqs_off+0xb8/0x310
[  253.920164] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  253.924579]  __alloc_pages_slowpath+0x26e8/0x2e10
[  253.928343] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  253.932781]  ? warn_alloc+0x120/0x120
[  253.946252] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  253.951084]  ? print_usage_bug+0xc0/0xc0
[  253.966236] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  253.970019]  ? warn_alloc+0x120/0x120
[  253.984907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  253.988954]  ? warn_alloc+0x120/0x120
[  253.997759] 266 total pagecache pages
[  254.001548]  ? print_usage_bug+0xc0/0xc0
[  254.010103] 0 pages in swap cache
[  254.013885]  ? kvm_clock_read+0x18/0x30
[  254.017657] Swap cache stats: add 0, delete 0, find 0/0
[  254.021709]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  254.025128] Free swap  = 0kB
[  254.029090]  ? print_usage_bug+0xc0/0xc0
[  254.034427] Total swap = 0kB
[  254.039431]  ? __lock_acquire+0x62f/0x4c20
[  254.042423] 1965979 pages RAM
[  254.046476]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.049465] 0 pages HighMem/MovableOnly
[  254.053687]  ? should_fail+0x22d/0xd01
[  254.056767] 342854 pages reserved
[  254.062288]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.066233] 0 pages cma reserved
[  254.070110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.073611] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.078795]  ? __lock_acquire+0x62f/0x4c20
[  254.082323] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.087230]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.093693] ksoftirqd/0 cpuset=/ mems_allowed=0
[  254.097912]  ? __lock_acquire+0x62f/0x4c20
[  254.097926]  ? should_fail+0x22d/0xd01
[  254.126044]  ? rcu_irq_exit+0x1a2/0x390
[  254.130033]  ? mark_held_locks+0x130/0x130
[  254.134270]  ? mark_held_locks+0x130/0x130
[  254.138510]  ? mark_held_locks+0xc7/0x130
[  254.142656]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  254.147670]  ? zap_class+0x640/0x640
[  254.151386]  ? print_usage_bug+0xc0/0xc0
[  254.155449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.160990]  ? check_preemption_disabled+0x48/0x280
[  254.166012]  ? __lock_is_held+0xb5/0x140
[  254.170072]  __alloc_pages_nodemask+0xa80/0xde0
[  254.174735]  ? zap_class+0x640/0x640
[  254.178451]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  254.183470]  ? find_held_lock+0x36/0x1c0
[  254.187534]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.192198]  ? lock_downgrade+0x900/0x900
[  254.196349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.201884]  cache_grow_begin+0xa5/0x8c0
[  254.205944]  ? do_raw_spin_unlock+0xa7/0x330
[  254.210353]  fallback_alloc+0x204/0x2e0
[  254.214349]  ____cache_alloc_node+0x1c7/0x1e0
[  254.218848]  kmem_cache_alloc_node+0xe3/0x730
[  254.223343]  ? ipv6_get_ifaddr+0x42e/0x620
[  254.227582]  __alloc_skb+0x119/0x770
[  254.231290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.236563]  ? netdev_alloc_frag+0x1f0/0x1f0
[  254.240968]  ? lock_downgrade+0x900/0x900
[  254.245127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.250679]  ? refcount_sub_and_test_checked+0x203/0x310
[  254.256134]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  254.261589]  ? addrconf_rs_timer+0x690/0x690
[  254.266005]  ndisc_alloc_skb+0x144/0x340
[  254.270063]  ndisc_send_rs+0x331/0x6e0
[  254.273950]  addrconf_rs_timer+0x314/0x690
[  254.278184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.282425]  call_timer_fn+0x272/0x920
[  254.286307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.290540]  ? process_timeout+0x40/0x40
[  254.294695]  ? mark_held_locks+0xc7/0x130
[  254.298837]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.303328]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.307828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.312056]  ? lockdep_hardirqs_on+0x296/0x5b0
[  254.316632]  ? trace_hardirqs_on+0xbd/0x310
[  254.320949]  ? kasan_check_read+0x11/0x20
[  254.325095]  ? __run_timers+0x7da/0xc70
[  254.329065]  ? trace_hardirqs_off_caller+0x310/0x310
[  254.334173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.338406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.342634]  __run_timers+0x7e5/0xc70
[  254.346441]  ? timer_fixup_init+0x70/0x70
[  254.350603]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  254.355615]  ? zap_class+0x640/0x640
[  254.359326]  ? print_usage_bug+0xc0/0xc0
[  254.363382]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  254.368570]  ? find_held_lock+0x36/0x1c0
[  254.372634]  ? zap_class+0x640/0x640
[  254.376350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.381882]  ? check_preemption_disabled+0x48/0x280
[  254.386904]  ? __lock_is_held+0xb5/0x140
[  254.390960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.396492]  ? check_preemption_disabled+0x48/0x280
[  254.401506]  run_timer_softirq+0x52/0xb0
[  254.405565]  ? rcu_read_lock_sched_held+0x14f/0x180
[  254.410579]  __do_softirq+0x308/0xb7e
[  254.414378]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  254.418865]  ? lock_downgrade+0x900/0x900
[  254.423012]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  254.428121]  ? pvclock_read_flags+0x160/0x160
[  254.432623]  ? lapic_next_event+0x5a/0x90
[  254.436769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.442311]  ? kvm_clock_read+0x18/0x30
[  254.446279]  ? kvm_sched_clock_read+0x9/0x20
[  254.450688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.456224]  ? check_preemption_disabled+0x48/0x280
[  254.461246]  irq_exit+0x17f/0x1c0
[  254.464697]  smp_apic_timer_interrupt+0x1cb/0x760
[  254.469540]  ? smp_reschedule_interrupt+0x109/0x650
[  254.474552]  ? smp_call_function_single_interrupt+0x650/0x650
[  254.480430]  ? interrupt_entry+0xb5/0xc0
[  254.484486]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.489499]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.494510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.499348]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.504365]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.509374]  ? task_prio+0x50/0x50
[  254.512915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.518450]  ? check_preemption_disabled+0x48/0x280
[  254.523463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.528328]  apic_timer_interrupt+0xf/0x20
[  254.532554]  </IRQ>
[  254.534788] RIP: 0010:lock_is_held_type+0x18b/0x210
[  254.539797] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  254.558694] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  254.566394] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  254.573830] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  254.581093] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  254.588368] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  254.595629] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  254.602923]  rcu_read_lock_held+0xa9/0xc0
[  254.607065]  css_next_child+0x2a2/0x620
[  254.611040]  ? cgroup_mount+0xd30/0xd30
[  254.615012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.620552]  ? check_preemption_disabled+0x48/0x280
[  254.625571]  ? __lock_is_held+0xb5/0x140
[  254.629638]  css_next_descendant_pre+0xeb/0x190
[  254.634324]  mem_cgroup_iter+0x42f/0x1160
[  254.638468]  ? kasan_check_write+0x14/0x20
[  254.642705]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  254.647454]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  254.652473]  ? shrink_slab+0xfa/0x8c0
[  254.656269]  ? shrink_active_list+0x1f00/0x1f00
[  254.660937]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  254.666560]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.671669]  ? cgroup_procs_write_finish+0xf0/0xf0
[  254.676599]  ? find_held_lock+0x36/0x1c0
[  254.680657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.686189]  ? vmpressure+0x1a2/0x340
[  254.689987]  shrink_node+0x516/0x16b0
[  254.693795]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  254.699090]  ? shrink_node_memcg+0x18f0/0x18f0
[  254.703682]  ? kvm_clock_read+0x18/0x30
[  254.707655]  ? ktime_get+0x2c1/0x400
[  254.711372]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  254.715864]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  254.721396]  ? __cpuset_node_allowed+0x19b/0x660
[  254.726152]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  254.731860]  ? delayacct_end+0x5a/0x100
[  254.735841]  do_try_to_free_pages+0x3e7/0x1290
[  254.740417]  ? zap_class+0x640/0x640
[  254.744144]  ? shrink_node+0x16b0/0x16b0
[  254.748200]  ? __lock_is_held+0xb5/0x140
[  254.752616]  try_to_free_pages+0x4d0/0xb90
[  254.756857]  ? do_try_to_free_pages+0x1290/0x1290
[  254.761709]  ? lock_acquire+0x1ed/0x520
[  254.765682]  ? set_page_refcounted+0x280/0x280
[  254.770264]  ? lock_release+0xa00/0xa00
[  254.774237]  ? _raw_spin_unlock_irq+0x60/0x80
[  254.778729]  ? psi_memstall_enter+0x240/0x2b0
[  254.783218]  ? psi_memstall_tick+0x230/0x230
[  254.787630]  __alloc_pages_slowpath+0xa14/0x2e10
[  254.792410]  ? warn_alloc+0x120/0x120
[  254.796207]  ? mark_held_locks+0x130/0x130
[  254.800439]  ? find_get_entry+0xaae/0x1120
[  254.804679]  ? filemap_map_pages+0x1a20/0x1a20
[  254.809258]  ? zap_class+0x640/0x640
[  254.812970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.818505]  ? check_preemption_disabled+0x48/0x280
[  254.823524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.829069]  ? should_fail+0x22d/0xd01
[  254.832964]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.838063]  ? zap_class+0x640/0x640
[  254.841795]  ? __lock_is_held+0xb5/0x140
[  254.845860]  ? mark_held_locks+0x130/0x130
[  254.850111]  ? lock_release+0xa00/0xa00
[  254.854080]  ? perf_trace_sched_process_exec+0x860/0x860
[  254.859530]  ? xa_load+0x2ba/0x460
[  254.863066]  ? lock_downgrade+0x900/0x900
[  254.867225]  ? __might_sleep+0x95/0x190
[  254.871200]  __alloc_pages_nodemask+0xa80/0xde0
[  254.875873]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  254.880883]  ? __page_cache_alloc+0x191/0x5c0
[  254.885371]  ? xa_load+0x2e1/0x460
[  254.888918]  ? xa_clear_mark+0x40/0x40
[  254.892806]  ? zap_class+0x640/0x640
[  254.896520]  ? zap_class+0x640/0x640
[  254.900232]  ? zap_class+0x640/0x640
[  254.903939]  ? __do_page_cache_readahead+0x663/0x810
[  254.909039]  ? find_held_lock+0x36/0x1c0
[  254.913106]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  254.918650]  alloc_pages_current+0x173/0x350
[  254.923060]  __page_cache_alloc+0x38c/0x5c0
[  254.927382]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  254.932303]  ? kasan_check_read+0x11/0x20
[  254.936447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.941720]  ? generic_perform_write+0x6a0/0x6a0
[  254.946471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.952003]  ? check_preemption_disabled+0x48/0x280
[  254.957024]  filemap_fault+0x1595/0x25f0
[  254.961101]  ? __lock_page_or_retry+0xa00/0xa00
[  254.965771]  ? mark_held_locks+0x130/0x130
[  254.970010]  ? filemap_map_pages+0xd6b/0x1a20
[  254.974503]  ? lock_downgrade+0x900/0x900
[  254.978648]  ? check_preemption_disabled+0x48/0x280
[  254.983661]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  254.988582]  ? kasan_check_read+0x11/0x20
[  254.992724]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.998000]  ? rcu_softirq_qs+0x20/0x20
[  255.001980]  ? filemap_map_pages+0xd92/0x1a20
[  255.006475]  ? print_usage_bug+0xc0/0xc0
[  255.010538]  ? find_get_entries_tag+0x1400/0x1400
[  255.015376]  ? __kasan_slab_free+0x102/0x150
[  255.019781]  ? kasan_slab_free+0xe/0x10
[  255.023747]  ? kmem_cache_free+0x83/0x290
[  255.027890]  ? __sigqueue_free.part.29+0x74/0x90
[  255.032664]  ? lock_acquire+0x1ed/0x520
[  255.036634]  ? ext4_filemap_fault+0x7a/0xad
[  255.040959]  ? lock_release+0xa00/0xa00
[  255.044928]  ? perf_trace_sched_process_exec+0x860/0x860
[  255.050375]  ? print_usage_bug+0xc0/0xc0
[  255.054433]  ? print_usage_bug+0xc0/0xc0
[  255.058503]  ? down_read+0x8d/0x120
[  255.062125]  ? ext4_filemap_fault+0x7a/0xad
[  255.066446]  ? __down_interruptible+0x700/0x700
[  255.071121]  ext4_filemap_fault+0x82/0xad
[  255.075279]  __do_fault+0x100/0x6b0
[  255.078902]  ? pmd_devmap_trans_unstable+0x220/0x220
[  255.084002]  ? mark_held_locks+0x130/0x130
[  255.088235]  ? mark_held_locks+0x130/0x130
[  255.092470]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  255.098003]  ? rcu_pm_notify+0xc0/0xc0
[  255.101896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.107436]  __handle_mm_fault+0x3ea0/0x5be0
[  255.111845]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  255.116683]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.121180]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  255.125760]  ? trace_hardirqs_on+0xbd/0x310
[  255.130084]  ? kasan_check_read+0x11/0x20
[  255.134231]  ? __set_current_blocked+0xdf/0x120
[  255.138896]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.144002]  ? zap_class+0x640/0x640
[  255.147713]  ? zap_class+0x640/0x640
[  255.151427]  ? find_held_lock+0x36/0x1c0
[  255.155496]  ? handle_mm_fault+0x42a/0xc70
[  255.159741]  ? lock_downgrade+0x900/0x900
[  255.163888]  ? check_preemption_disabled+0x48/0x280
[  255.168909]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.173834]  ? kasan_check_read+0x11/0x20
[  255.177987]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.183259]  ? rcu_softirq_qs+0x20/0x20
[  255.187231]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.192330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.197867]  ? check_preemption_disabled+0x48/0x280
[  255.202887]  handle_mm_fault+0x54f/0xc70
[  255.206947]  ? __handle_mm_fault+0x5be0/0x5be0
[  255.211529]  ? find_vma+0x34/0x190
[  255.215078]  __do_page_fault+0x5e8/0xe60
[  255.219138]  ? exit_to_usermode_loop+0x1f4/0x380
[  255.223896]  do_page_fault+0xf2/0x7e0
[  255.227692]  ? vmalloc_sync_all+0x30/0x30
[  255.231836]  ? error_entry+0x70/0xd0
[  255.235548]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.240561]  ? trace_hardirqs_on_caller+0xc0/0x310
[  255.245487]  ? syscall_return_slowpath+0x5e0/0x5e0
[  255.250408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.255248]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.260262]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.265714]  ? prepare_exit_to_usermode+0x291/0x3b0
[  255.270725]  ? page_fault+0x8/0x30
[  255.274262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.279101]  ? page_fault+0x8/0x30
[  255.282640]  page_fault+0x1e/0x30
[  255.286087] RIP: 0033:0x45db60
[  255.289298] Code: Bad RIP value.
[  255.292653] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  255.298006] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  255.305269] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  255.312536] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  255.319795] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  255.327066] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  255.334352] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  255.334411] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  255.341103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.341110] Call Trace:
[  255.347694] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  255.356944]  dump_stack+0x244/0x39d
[  255.359500] syz-fuzzer cpuset=/ mems_allowed=0
[  255.369714]  ? dump_stack_print_info.cold.1+0x20/0x20
[  255.383077]  warn_alloc.cold.116+0xb7/0x1bd
[  255.387403]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  255.392247]  ? lock_downgrade+0x900/0x900
[  255.396398]  ? trace_hardirqs_off+0xb8/0x310
[  255.400807]  ? trace_hardirqs_off+0xb8/0x310
[  255.405218]  __alloc_pages_slowpath+0x26e8/0x2e10
[  255.410092]  ? warn_alloc+0x120/0x120
[  255.413895]  ? warn_alloc+0x120/0x120
[  255.417695]  ? warn_alloc+0x120/0x120
[  255.421498]  ? print_usage_bug+0xc0/0xc0
[  255.425562]  ? print_usage_bug+0xc0/0xc0
[  255.429624]  ? print_usage_bug+0xc0/0xc0
[  255.433679]  ? find_held_lock+0x36/0x1c0
[  255.437741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.443275]  ? should_fail+0x22d/0xd01
[  255.447156]  ? try_to_wake_up+0x11c/0x1490
[  255.451391]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.456493]  ? __lock_acquire+0x62f/0x4c20
[  255.460727]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.465822]  ? __lock_acquire+0x62f/0x4c20
[  255.470062]  ? should_fail+0x22d/0xd01
[  255.473961]  ? mark_held_locks+0x130/0x130
[  255.478199]  ? mark_held_locks+0x130/0x130
[  255.482428]  ? try_to_wake_up+0x11c/0x1490
[  255.486655]  ? zap_class+0x640/0x640
[  255.490362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.495893]  ? check_preemption_disabled+0x48/0x280
[  255.500906]  ? zap_class+0x640/0x640
[  255.504613]  ? print_usage_bug+0xc0/0xc0
[  255.508676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.514209]  ? check_preemption_disabled+0x48/0x280
[  255.519226]  ? __lock_is_held+0xb5/0x140
[  255.523285]  __alloc_pages_nodemask+0xa80/0xde0
[  255.527946]  ? zap_class+0x640/0x640
[  255.531660]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  255.536685]  ? find_held_lock+0x36/0x1c0
[  255.540749]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.545411]  ? lock_downgrade+0x900/0x900
[  255.549562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.555101]  cache_grow_begin+0xa5/0x8c0
[  255.559155]  ? do_raw_spin_unlock+0xa7/0x330
[  255.563564]  fallback_alloc+0x204/0x2e0
[  255.567547]  ____cache_alloc_node+0x1c7/0x1e0
[  255.572051]  kmem_cache_alloc_node+0xe3/0x730
[  255.576547]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.580959]  __alloc_skb+0x119/0x770
[  255.584665]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.589938]  ? netdev_alloc_frag+0x1f0/0x1f0
[  255.594345]  ? lock_downgrade+0x900/0x900
[  255.598501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.604043]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.609496]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.614944]  ? addrconf_rs_timer+0x690/0x690
[  255.619356]  ndisc_alloc_skb+0x144/0x340
[  255.623413]  ndisc_send_rs+0x331/0x6e0
[  255.627385]  addrconf_rs_timer+0x314/0x690
[  255.631626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.636377]  call_timer_fn+0x272/0x920
[  255.640261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.644494]  ? process_timeout+0x40/0x40
[  255.648645]  ? __run_timers+0x7da/0xc70
[  255.652613]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.657105]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.661594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.665823]  ? lockdep_hardirqs_on+0x296/0x5b0
[  255.670401]  ? trace_hardirqs_on+0xbd/0x310
[  255.674716]  ? kasan_check_read+0x11/0x20
[  255.678854]  ? __run_timers+0x7da/0xc70
[  255.682823]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.687928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.692159]  __run_timers+0x7e5/0xc70
[  255.695962]  ? timer_fixup_init+0x70/0x70
[  255.700102]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.704591]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.709085]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  255.713662]  ? trace_hardirqs_on+0xbd/0x310
[  255.717988]  ? kasan_check_read+0x11/0x20
[  255.722133]  ? finish_task_switch+0x1f4/0x910
[  255.726628]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.731728]  ? compat_start_thread+0x80/0x80
[  255.736148]  ? pvclock_read_flags+0x160/0x160
[  255.740633]  ? __switch_to_asm+0x34/0x70
[  255.744693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.750224]  ? check_preemption_disabled+0x48/0x280
[  255.755242]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  255.760776]  ? rcu_pm_notify+0xc0/0xc0
[  255.764662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.770203]  ? check_preemption_disabled+0x48/0x280
[  255.775221]  run_timer_softirq+0x52/0xb0
[  255.779278]  ? rcu_read_lock_sched_held+0x14f/0x180
[  255.784288]  __do_softirq+0x308/0xb7e
[  255.788094]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  255.793195]  ? smpboot_thread_fn+0x334/0xa00
[  255.797615]  ? schedule+0x108/0x460
[  255.802113]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.807353]  ? trace_hardirqs_off+0xb8/0x310
[  255.811763]  ? smpboot_thread_fn+0x68b/0xa00
[  255.816169]  ? trace_hardirqs_on+0x310/0x310
[  255.820572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.826197]  ? check_preemption_disabled+0x48/0x280
[  255.831208]  ? takeover_tasklets+0xa90/0xa90
[  255.835612]  run_ksoftirqd+0x5e/0x100
[  255.839408]  smpboot_thread_fn+0x68b/0xa00
[  255.843644]  ? sort_range+0x30/0x30
[  255.847266]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.852364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.857913]  ? __kthread_parkme+0xfb/0x1a0
[  255.862148]  ? sort_range+0x30/0x30
[  255.865783]  kthread+0x35a/0x440
[  255.869149]  ? kthread_stop+0x900/0x900
[  255.873126]  ret_from_fork+0x3a/0x50
[  255.876850] warn_alloc_show_mem: 1 callbacks suppressed
[  255.876859] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  255.876861] Mem-Info:
[  255.876893] active_anon:52607 inactive_anon:182 isolated_anon:0
[  255.876893]  active_file:12 inactive_file:11 isolated_file:0
[  255.876893]  unevictable:0 dirty:0 writeback:0 unstable:0
[  255.876893]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  255.876893]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  255.876893]  free:13782 free_pcp:358 free_cma:0
[  255.882220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.889143] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  255.891530] Call Trace:
[  255.924388] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  255.933726]  <IRQ>
[  255.961199] lowmem_reserve[]: 0 2818 6321 6321
[  255.963775]  dump_stack+0x244/0x39d
[  255.989853] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  255.991996]  ? dump_stack_print_info.cold.1+0x20/0x20
[  255.996553] lowmem_reserve[]: 0 0 3503 3503
[  256.000177]  warn_alloc.cold.116+0xb7/0x1bd
[  256.027810] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  256.033009]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.037295] lowmem_reserve[]: 0 0 0 0
[  256.041609]  ? lock_downgrade+0x900/0x900
[  256.070555] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  256.075397]  ? trace_hardirqs_off+0xb8/0x310
[  256.079168] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  256.083308]  ? trace_hardirqs_off+0xb8/0x310
[  256.096795] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  256.101196]  __alloc_pages_slowpath+0x26e8/0x2e10
[  256.116339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  256.120757]  ? warn_alloc+0x120/0x120
[  256.135628] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  256.140457]  ? print_usage_bug+0xc0/0xc0
[  256.149267] 266 total pagecache pages
[  256.153056]  ? warn_alloc+0x120/0x120
[  256.161610] 0 pages in swap cache
[  256.165651]  ? warn_alloc+0x120/0x120
[  256.169423] Swap cache stats: add 0, delete 0, find 0/0
[  256.173208]  ? print_usage_bug+0xc0/0xc0
[  256.176633] Free swap  = 0kB
[  256.180429]  ? kvm_clock_read+0x18/0x30
[  256.185760] Total swap = 0kB
[  256.189807]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  256.192796] 1965979 pages RAM
[  256.196754]  ? print_usage_bug+0xc0/0xc0
[  256.199746] 0 pages HighMem/MovableOnly
[  256.204748]  ? __lock_acquire+0x62f/0x4c20
[  256.207826] 342854 pages reserved
[  256.211876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.215819] 0 pages cma reserved
[  256.220039]  ? should_fail+0x22d/0xd01
[  256.223518] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.228996]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.232410] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.236215]  ? __lock_acquire+0x62f/0x4c20
[  256.242689] ksoftirqd/0 cpuset=/ mems_allowed=0
[  256.247783]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.272020]  ? __lock_acquire+0x62f/0x4c20
[  256.276252]  ? should_fail+0x22d/0xd01
[  256.280149]  ? mark_held_locks+0x130/0x130
[  256.284385]  ? mark_held_locks+0x130/0x130
[  256.288622]  ? zap_class+0x640/0x640
[  256.292331]  ? print_usage_bug+0xc0/0xc0
[  256.296391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.301923]  ? check_preemption_disabled+0x48/0x280
[  256.306941]  ? __lock_is_held+0xb5/0x140
[  256.311015]  __alloc_pages_nodemask+0xa80/0xde0
[  256.315678]  ? zap_class+0x640/0x640
[  256.319391]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  256.324414]  ? find_held_lock+0x36/0x1c0
[  256.328476]  ? ____cache_alloc_node+0x1c7/0x1e0
[  256.333142]  ? lock_downgrade+0x900/0x900
[  256.337290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.342827]  cache_grow_begin+0xa5/0x8c0
[  256.346882]  ? do_raw_spin_unlock+0xa7/0x330
[  256.351292]  fallback_alloc+0x204/0x2e0
[  256.355268]  ____cache_alloc_node+0x1c7/0x1e0
[  256.359766]  kmem_cache_alloc_node+0xe3/0x730
[  256.364256]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.368498]  __alloc_skb+0x119/0x770
[  256.372213]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.377487]  ? netdev_alloc_frag+0x1f0/0x1f0
[  256.381891]  ? lock_downgrade+0x900/0x900
[  256.386041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.391572]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.397022]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.402465]  ? addrconf_rs_timer+0x690/0x690
[  256.406878]  ndisc_alloc_skb+0x144/0x340
[  256.410938]  ndisc_send_rs+0x331/0x6e0
[  256.414832]  addrconf_rs_timer+0x314/0x690
[  256.419064]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.423300]  call_timer_fn+0x272/0x920
[  256.427182]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.431415]  ? process_timeout+0x40/0x40
[  256.435478]  ? mark_held_locks+0xc7/0x130
[  256.439625]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.444114]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.448605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.452834]  ? lockdep_hardirqs_on+0x296/0x5b0
[  256.457415]  ? trace_hardirqs_on+0xbd/0x310
[  256.461728]  ? kasan_check_read+0x11/0x20
[  256.465873]  ? __run_timers+0x7da/0xc70
[  256.469841]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.474949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.479189]  __run_timers+0x7e5/0xc70
[  256.483000]  ? timer_fixup_init+0x70/0x70
[  256.487143]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.492158]  ? zap_class+0x640/0x640
[  256.495874]  ? print_usage_bug+0xc0/0xc0
[  256.499935]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  256.505135]  ? find_held_lock+0x36/0x1c0
[  256.509194]  ? zap_class+0x640/0x640
[  256.512912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.518443]  ? check_preemption_disabled+0x48/0x280
[  256.523469]  ? __lock_is_held+0xb5/0x140
[  256.527529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.533070]  ? check_preemption_disabled+0x48/0x280
[  256.538083]  run_timer_softirq+0x52/0xb0
[  256.542138]  ? rcu_read_lock_sched_held+0x14f/0x180
[  256.547149]  __do_softirq+0x308/0xb7e
[  256.551041]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  256.555533]  ? lock_downgrade+0x900/0x900
[  256.559690]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  256.564805]  ? pvclock_read_flags+0x160/0x160
[  256.569297]  ? lapic_next_event+0x5a/0x90
[  256.573444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.578990]  ? kvm_clock_read+0x18/0x30
[  256.582967]  ? kvm_sched_clock_read+0x9/0x20
[  256.587370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.592905]  ? check_preemption_disabled+0x48/0x280
[  256.597925]  irq_exit+0x17f/0x1c0
[  256.601378]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.606212]  ? smp_reschedule_interrupt+0x109/0x650
[  256.611223]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.617100]  ? interrupt_entry+0xb5/0xc0
[  256.621158]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.626168]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.631181]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.636023]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.641033]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.646041]  ? task_prio+0x50/0x50
[  256.649579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.655113]  ? check_preemption_disabled+0x48/0x280
[  256.660129]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.664978]  apic_timer_interrupt+0xf/0x20
[  256.669199]  </IRQ>
[  256.671431] RIP: 0010:lock_is_held_type+0x18b/0x210
[  256.676442] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  256.695346] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  256.703050] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  256.710312] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  256.717572] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  256.724848] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  256.732110] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  256.739403]  rcu_read_lock_held+0xa9/0xc0
[  256.743549]  css_next_child+0x2a2/0x620
[  256.747522]  ? cgroup_mount+0xd30/0xd30
[  256.751502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.757034]  ? check_preemption_disabled+0x48/0x280
[  256.762053]  ? __lock_is_held+0xb5/0x140
[  256.766146]  css_next_descendant_pre+0xeb/0x190
[  256.770812]  mem_cgroup_iter+0x42f/0x1160
[  256.774965]  ? kasan_check_write+0x14/0x20
[  256.779201]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  256.783958]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.788972]  ? shrink_slab+0xfa/0x8c0
[  256.792769]  ? shrink_active_list+0x1f00/0x1f00
[  256.797438]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  256.803298]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.808410]  ? cgroup_procs_write_finish+0xf0/0xf0
[  256.813341]  ? find_held_lock+0x36/0x1c0
[  256.817401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.822948]  ? vmpressure+0x1a2/0x340
[  256.826746]  shrink_node+0x516/0x16b0
[  256.830542]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  256.835835]  ? shrink_node_memcg+0x18f0/0x18f0
[  256.840416]  ? kvm_clock_read+0x18/0x30
[  256.844495]  ? ktime_get+0x2c1/0x400
[  256.848207]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  256.852703]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  256.858232]  ? __cpuset_node_allowed+0x19b/0x660
[  256.862985]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  256.868690]  ? delayacct_end+0x5a/0x100
[  256.872670]  do_try_to_free_pages+0x3e7/0x1290
[  256.877243]  ? zap_class+0x640/0x640
[  256.880971]  ? shrink_node+0x16b0/0x16b0
[  256.885026]  ? __lock_is_held+0xb5/0x140
[  256.889092]  try_to_free_pages+0x4d0/0xb90
[  256.893330]  ? do_try_to_free_pages+0x1290/0x1290
[  256.898180]  ? lock_acquire+0x1ed/0x520
[  256.902151]  ? set_page_refcounted+0x280/0x280
[  256.906738]  ? lock_release+0xa00/0xa00
[  256.910704]  ? _raw_spin_unlock_irq+0x60/0x80
[  256.915194]  ? psi_memstall_enter+0x240/0x2b0
[  256.919684]  ? psi_memstall_tick+0x230/0x230
[  256.924100]  __alloc_pages_slowpath+0xa14/0x2e10
[  256.928876]  ? warn_alloc+0x120/0x120
[  256.932673]  ? mark_held_locks+0x130/0x130
[  256.936907]  ? find_get_entry+0xaae/0x1120
[  256.941153]  ? filemap_map_pages+0x1a20/0x1a20
[  256.945748]  ? zap_class+0x640/0x640
[  256.949465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.954995]  ? check_preemption_disabled+0x48/0x280
[  256.960011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.965550]  ? should_fail+0x22d/0xd01
[  256.969435]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.974537]  ? zap_class+0x640/0x640
[  256.978266]  ? __lock_is_held+0xb5/0x140
[  256.982333]  ? mark_held_locks+0x130/0x130
[  256.986562]  ? lock_release+0xa00/0xa00
[  256.990535]  ? perf_trace_sched_process_exec+0x860/0x860
[  256.995984]  ? xa_load+0x2ba/0x460
[  256.999522]  ? lock_downgrade+0x900/0x900
[  257.003668]  ? __might_sleep+0x95/0x190
[  257.007641]  __alloc_pages_nodemask+0xa80/0xde0
[  257.012312]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  257.017323]  ? __page_cache_alloc+0x191/0x5c0
[  257.021812]  ? xa_load+0x2e1/0x460
[  257.025435]  ? xa_clear_mark+0x40/0x40
[  257.029324]  ? zap_class+0x640/0x640
[  257.033039]  ? zap_class+0x640/0x640
[  257.036745]  ? zap_class+0x640/0x640
[  257.040459]  ? __do_page_cache_readahead+0x663/0x810
[  257.045560]  ? find_held_lock+0x36/0x1c0
[  257.049623]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  257.055164]  alloc_pages_current+0x173/0x350
[  257.059577]  __page_cache_alloc+0x38c/0x5c0
[  257.063890]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  257.068822]  ? kasan_check_read+0x11/0x20
[  257.072964]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.078235]  ? generic_perform_write+0x6a0/0x6a0
[  257.082988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.088522]  ? check_preemption_disabled+0x48/0x280
[  257.093544]  filemap_fault+0x1595/0x25f0
[  257.097610]  ? __lock_page_or_retry+0xa00/0xa00
[  257.102276]  ? mark_held_locks+0x130/0x130
[  257.106512]  ? filemap_map_pages+0xd6b/0x1a20
[  257.111004]  ? lock_downgrade+0x900/0x900
[  257.115160]  ? check_preemption_disabled+0x48/0x280
[  257.120177]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  257.125103]  ? kasan_check_read+0x11/0x20
[  257.129245]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.134518]  ? rcu_softirq_qs+0x20/0x20
[  257.138499]  ? filemap_map_pages+0xd92/0x1a20
[  257.142994]  ? print_usage_bug+0xc0/0xc0
[  257.147054]  ? find_get_entries_tag+0x1400/0x1400
[  257.151888]  ? __kasan_slab_free+0x102/0x150
[  257.156296]  ? kasan_slab_free+0xe/0x10
[  257.160268]  ? kmem_cache_free+0x83/0x290
[  257.164415]  ? __sigqueue_free.part.29+0x74/0x90
[  257.169188]  ? lock_acquire+0x1ed/0x520
[  257.173159]  ? ext4_filemap_fault+0x7a/0xad
[  257.177482]  ? lock_release+0xa00/0xa00
[  257.181454]  ? perf_trace_sched_process_exec+0x860/0x860
[  257.186910]  ? print_usage_bug+0xc0/0xc0
[  257.190977]  ? print_usage_bug+0xc0/0xc0
[  257.195044]  ? down_read+0x8d/0x120
[  257.198665]  ? ext4_filemap_fault+0x7a/0xad
[  257.202983]  ? __down_interruptible+0x700/0x700
[  257.207657]  ext4_filemap_fault+0x82/0xad
[  257.211805]  __do_fault+0x100/0x6b0
[  257.215436]  ? pmd_devmap_trans_unstable+0x220/0x220
[  257.220540]  ? mark_held_locks+0x130/0x130
[  257.225378]  ? mark_held_locks+0x130/0x130
[  257.229610]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  257.235142]  ? rcu_pm_notify+0xc0/0xc0
[  257.239033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.244576]  __handle_mm_fault+0x3ea0/0x5be0
[  257.248989]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  257.253825]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.258318]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  257.262908]  ? trace_hardirqs_on+0xbd/0x310
[  257.267222]  ? kasan_check_read+0x11/0x20
[  257.271364]  ? __set_current_blocked+0xdf/0x120
[  257.276033]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.281140]  ? zap_class+0x640/0x640
[  257.284847]  ? zap_class+0x640/0x640
[  257.288572]  ? find_held_lock+0x36/0x1c0
[  257.292635]  ? handle_mm_fault+0x42a/0xc70
[  257.296869]  ? lock_downgrade+0x900/0x900
[  257.301019]  ? check_preemption_disabled+0x48/0x280
[  257.306033]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  257.310956]  ? kasan_check_read+0x11/0x20
[  257.315104]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.320375]  ? rcu_softirq_qs+0x20/0x20
[  257.324343]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.329446]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.334978]  ? check_preemption_disabled+0x48/0x280
[  257.339995]  handle_mm_fault+0x54f/0xc70
[  257.344053]  ? __handle_mm_fault+0x5be0/0x5be0
[  257.348635]  ? find_vma+0x34/0x190
[  257.352183]  __do_page_fault+0x5e8/0xe60
[  257.356246]  ? exit_to_usermode_loop+0x1f4/0x380
[  257.361004]  do_page_fault+0xf2/0x7e0
[  257.364802]  ? vmalloc_sync_all+0x30/0x30
[  257.368942]  ? error_entry+0x70/0xd0
[  257.372656]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.377664]  ? trace_hardirqs_on_caller+0xc0/0x310
[  257.382592]  ? syscall_return_slowpath+0x5e0/0x5e0
[  257.387514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.392351]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.397364]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  257.402810]  ? prepare_exit_to_usermode+0x291/0x3b0
[  257.407824]  ? page_fault+0x8/0x30
[  257.411364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.416207]  ? page_fault+0x8/0x30
[  257.419746]  page_fault+0x1e/0x30
[  257.423193] RIP: 0033:0x45db60
[  257.426397] Code: Bad RIP value.
[  257.429757] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  257.435112] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  257.442373] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  257.449636] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  257.456900] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  257.464161] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  257.471451] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  257.471511] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  257.478200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.478205] Call Trace:
[  257.478222]  dump_stack+0x244/0x39d
[  257.478241]  ? dump_stack_print_info.cold.1+0x20/0x20
[  257.484782] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  257.494060]  warn_alloc.cold.116+0xb7/0x1bd
[  257.496609] syz-fuzzer cpuset=/ mems_allowed=0
[  257.500225]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.529290]  ? lock_downgrade+0x900/0x900
[  257.533443]  ? trace_hardirqs_off+0xb8/0x310
[  257.537852]  ? trace_hardirqs_off+0xb8/0x310
[  257.542278]  __alloc_pages_slowpath+0x26e8/0x2e10
[  257.547142]  ? warn_alloc+0x120/0x120
[  257.550943]  ? print_usage_bug+0xc0/0xc0
[  257.555000]  ? warn_alloc+0x120/0x120
[  257.558802]  ? warn_alloc+0x120/0x120
[  257.562601]  ? print_usage_bug+0xc0/0xc0
[  257.566662]  ? print_usage_bug+0xc0/0xc0
[  257.570718]  ? __lock_acquire+0x62f/0x4c20
[  257.574953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.580485]  ? should_fail+0x22d/0xd01
[  257.584374]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.589474]  ? __lock_acquire+0x62f/0x4c20
[  257.593709]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.598805]  ? __lock_acquire+0x62f/0x4c20
[  257.603043]  ? should_fail+0x22d/0xd01
[  257.606928]  ? find_held_lock+0x36/0x1c0
[  257.610990]  ? mark_held_locks+0x130/0x130
[  257.615225]  ? mark_held_locks+0x130/0x130
[  257.619450]  ? zap_class+0x640/0x640
[  257.623161]  ? mark_held_locks+0xc7/0x130
[  257.627304]  ? do_raw_spin_unlock+0xa7/0x330
[  257.631708]  ? zap_class+0x640/0x640
[  257.635903]  ? print_usage_bug+0xc0/0xc0
[  257.639978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.645514]  ? check_preemption_disabled+0x48/0x280
[  257.650531]  ? __lock_is_held+0xb5/0x140
[  257.654591]  __alloc_pages_nodemask+0xa80/0xde0
[  257.659254]  ? zap_class+0x640/0x640
[  257.662968]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  257.668000]  ? find_held_lock+0x36/0x1c0
[  257.672078]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.676756]  ? lock_downgrade+0x900/0x900
[  257.680914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.686449]  cache_grow_begin+0xa5/0x8c0
[  257.690506]  ? do_raw_spin_unlock+0xa7/0x330
[  257.694922]  fallback_alloc+0x204/0x2e0
[  257.698905]  ____cache_alloc_node+0x1c7/0x1e0
[  257.703408]  kmem_cache_alloc_node+0xe3/0x730
[  257.707904]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.712142]  __alloc_skb+0x119/0x770
[  257.715848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.721132]  ? netdev_alloc_frag+0x1f0/0x1f0
[  257.725534]  ? lock_downgrade+0x900/0x900
[  257.729687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.735217]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.740665]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.746107]  ? addrconf_rs_timer+0x690/0x690
[  257.750521]  ndisc_alloc_skb+0x144/0x340
[  257.754580]  ndisc_send_rs+0x331/0x6e0
[  257.758469]  addrconf_rs_timer+0x314/0x690
[  257.762712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.766950]  call_timer_fn+0x272/0x920
[  257.770833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.775067]  ? process_timeout+0x40/0x40
[  257.779130]  ? __run_timers+0x7da/0xc70
[  257.783104]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.787594]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.792080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.796308]  ? lockdep_hardirqs_on+0x296/0x5b0
[  257.800901]  ? trace_hardirqs_on+0xbd/0x310
[  257.805544]  ? kasan_check_read+0x11/0x20
[  257.809690]  ? __run_timers+0x7da/0xc70
[  257.813664]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.818771]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.823010]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.827236]  __run_timers+0x7e5/0xc70
[  257.831042]  ? timer_fixup_init+0x70/0x70
[  257.835187]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.839674]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.844167]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  257.848746]  ? trace_hardirqs_on+0xbd/0x310
[  257.853065]  ? kasan_check_read+0x11/0x20
[  257.857213]  ? finish_task_switch+0x1f4/0x910
[  257.861703]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.866800]  ? compat_start_thread+0x80/0x80
[  257.871227]  ? pvclock_read_flags+0x160/0x160
[  257.875715]  ? __switch_to_asm+0x34/0x70
[  257.879801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.885358]  ? check_preemption_disabled+0x48/0x280
[  257.890376]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  257.895922]  ? rcu_pm_notify+0xc0/0xc0
[  257.899808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.905346]  ? check_preemption_disabled+0x48/0x280
[  257.910363]  run_timer_softirq+0x52/0xb0
[  257.914420]  ? rcu_read_lock_sched_held+0x14f/0x180
[  257.919429]  __do_softirq+0x308/0xb7e
[  257.923233]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  257.928332]  ? smpboot_thread_fn+0x334/0xa00
[  257.932737]  ? schedule+0x108/0x460
[  257.936361]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  257.941118]  ? trace_hardirqs_off+0xb8/0x310
[  257.945522]  ? smpboot_thread_fn+0x68b/0xa00
[  257.949925]  ? trace_hardirqs_on+0x310/0x310
[  257.954328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.959862]  ? check_preemption_disabled+0x48/0x280
[  257.964885]  ? takeover_tasklets+0xa90/0xa90
[  257.969288]  run_ksoftirqd+0x5e/0x100
[  257.973086]  smpboot_thread_fn+0x68b/0xa00
[  257.977317]  ? sort_range+0x30/0x30
[  257.981030]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.986129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.991663]  ? __kthread_parkme+0xfb/0x1a0
[  257.995894]  ? sort_range+0x30/0x30
[  257.999518]  kthread+0x35a/0x440
[  258.002886]  ? kthread_stop+0x900/0x900
[  258.006860]  ret_from_fork+0x3a/0x50
[  258.010593] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  258.010597] warn_alloc_show_mem: 1 callbacks suppressed
[  258.010603] Mem-Info:
[  258.017520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.022887] active_anon:52607 inactive_anon:182 isolated_anon:0
[  258.022887]  active_file:12 inactive_file:11 isolated_file:0
[  258.022887]  unevictable:0 dirty:0 writeback:0 unstable:0
[  258.022887]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  258.022887]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  258.022887]  free:13782 free_pcp:358 free_cma:0
[  258.025253] Call Trace:
[  258.034628] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  258.067475]  <IRQ>
[  258.070040] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  258.097528]  dump_stack+0x244/0x39d
[  258.099647] lowmem_reserve[]: 0 2818 6321 6321
[  258.125754]  ? dump_stack_print_info.cold.1+0x20/0x20
[  258.129352] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  258.133939]  warn_alloc.cold.116+0xb7/0x1bd
[  258.139092] lowmem_reserve[]: 0 0 3503 3503
[  258.166754]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.171045] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  258.175362]  ? lock_downgrade+0x900/0x900
[  258.180168] lowmem_reserve[]: 0 0 0 0
[  258.209132]  ? trace_hardirqs_off+0xb8/0x310
[  258.213248] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  258.217040]  ? trace_hardirqs_off+0xb8/0x310
[  258.221415] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  258.234943]  __alloc_pages_slowpath+0x26e8/0x2e10
[  258.239318] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  258.254507]  ? warn_alloc+0x120/0x120
[  258.259317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  258.274210]  ? print_usage_bug+0xc0/0xc0
[  258.277988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  258.286814]  ? warn_alloc+0x120/0x120
[  258.290844] 266 total pagecache pages
[  258.299406]  ? warn_alloc+0x120/0x120
[  258.303206] 0 pages in swap cache
[  258.306987]  ? print_usage_bug+0xc0/0xc0
[  258.310762] Swap cache stats: add 0, delete 0, find 0/0
[  258.314200]  ? kvm_clock_read+0x18/0x30
[  258.318230] Free swap  = 0kB
[  258.323582]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  258.327522] Total swap = 0kB
[  258.327529] 1965979 pages RAM
[  258.330538]  ? print_usage_bug+0xc0/0xc0
[  258.335521] 0 pages HighMem/MovableOnly
[  258.335528] 342854 pages reserved
[  258.338534]  ? __lock_acquire+0x62f/0x4c20
[  258.341609] 0 pages cma reserved
[  258.341676] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.345669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.345682]  ? should_fail+0x22d/0xd01
[  258.345697]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.349779] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.353175]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.357381] ksoftirqd/0 cpuset=/ mems_allowed=0
[  258.360735]  ? __lock_acquire+0x62f/0x4c20
[  258.406110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.411207]  ? __lock_acquire+0x62f/0x4c20
[  258.415437]  ? should_fail+0x22d/0xd01
[  258.419333]  ? rcu_irq_exit+0x1a2/0x390
[  258.423313]  ? mark_held_locks+0x130/0x130
[  258.427552]  ? mark_held_locks+0x130/0x130
[  258.431786]  ? mark_held_locks+0xc7/0x130
[  258.435937]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  258.440947]  ? zap_class+0x640/0x640
[  258.444654]  ? print_usage_bug+0xc0/0xc0
[  258.448714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.454246]  ? check_preemption_disabled+0x48/0x280
[  258.459264]  ? __lock_is_held+0xb5/0x140
[  258.463328]  __alloc_pages_nodemask+0xa80/0xde0
[  258.467996]  ? zap_class+0x640/0x640
[  258.471711]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  258.476734]  ? find_held_lock+0x36/0x1c0
[  258.480804]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.485469]  ? lock_downgrade+0x900/0x900
[  258.489619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.495155]  cache_grow_begin+0xa5/0x8c0
[  258.499225]  ? do_raw_spin_unlock+0xa7/0x330
[  258.503647]  fallback_alloc+0x204/0x2e0
[  258.507620]  ____cache_alloc_node+0x1c7/0x1e0
[  258.512204]  kmem_cache_alloc_node+0xe3/0x730
[  258.516697]  ? ipv6_get_ifaddr+0x42e/0x620
[  258.520938]  __alloc_skb+0x119/0x770
[  258.524649]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.529927]  ? netdev_alloc_frag+0x1f0/0x1f0
[  258.534333]  ? lock_downgrade+0x900/0x900
[  258.538485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.544016]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.549477]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.554922]  ? addrconf_rs_timer+0x690/0x690
[  258.559338]  ndisc_alloc_skb+0x144/0x340
[  258.563401]  ndisc_send_rs+0x331/0x6e0
[  258.567287]  addrconf_rs_timer+0x314/0x690
[  258.571527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.575769]  call_timer_fn+0x272/0x920
[  258.579657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.583891]  ? process_timeout+0x40/0x40
[  258.587953]  ? mark_held_locks+0xc7/0x130
[  258.592104]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.596590]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.601081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.605319]  ? lockdep_hardirqs_on+0x296/0x5b0
[  258.609898]  ? trace_hardirqs_on+0xbd/0x310
[  258.614212]  ? kasan_check_read+0x11/0x20
[  258.618356]  ? __run_timers+0x7da/0xc70
[  258.622328]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.627432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.631668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.635900]  __run_timers+0x7e5/0xc70
[  258.639704]  ? timer_fixup_init+0x70/0x70
[  258.643850]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  258.648863]  ? zap_class+0x640/0x640
[  258.652574]  ? print_usage_bug+0xc0/0xc0
[  258.656633]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  258.661825]  ? find_held_lock+0x36/0x1c0
[  258.665889]  ? zap_class+0x640/0x640
[  258.669602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.675133]  ? check_preemption_disabled+0x48/0x280
[  258.680152]  ? __lock_is_held+0xb5/0x140
[  258.684212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.689746]  ? check_preemption_disabled+0x48/0x280
[  258.694778]  run_timer_softirq+0x52/0xb0
[  258.698834]  ? rcu_read_lock_sched_held+0x14f/0x180
[  258.703845]  __do_softirq+0x308/0xb7e
[  258.707654]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  258.712144]  ? lock_downgrade+0x900/0x900
[  258.716289]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  258.721399]  ? pvclock_read_flags+0x160/0x160
[  258.725894]  ? lapic_next_event+0x5a/0x90
[  258.730036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.735577]  ? kvm_clock_read+0x18/0x30
[  258.739545]  ? kvm_sched_clock_read+0x9/0x20
[  258.743954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.749485]  ? check_preemption_disabled+0x48/0x280
[  258.754502]  irq_exit+0x17f/0x1c0
[  258.757952]  smp_apic_timer_interrupt+0x1cb/0x760
[  258.762798]  ? smp_reschedule_interrupt+0x109/0x650
[  258.767807]  ? smp_call_function_single_interrupt+0x650/0x650
[  258.773687]  ? interrupt_entry+0xb5/0xc0
[  258.777747]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.782772]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.787790]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.792626]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.797635]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.802644]  ? task_prio+0x50/0x50
[  258.806183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.811720]  ? check_preemption_disabled+0x48/0x280
[  258.816736]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.821586]  apic_timer_interrupt+0xf/0x20
[  258.825809]  </IRQ>
[  258.828045] RIP: 0010:lock_is_held_type+0x18b/0x210
[  258.833077] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  258.851969] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  258.860316] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  258.867578] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  258.874843] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  258.882109] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  258.889374] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  258.896662]  rcu_read_lock_held+0xa9/0xc0
[  258.900809]  css_next_child+0x2a2/0x620
[  258.904785]  ? cgroup_mount+0xd30/0xd30
[  258.908763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.914298]  ? check_preemption_disabled+0x48/0x280
[  258.919325]  ? __lock_is_held+0xb5/0x140
[  258.923393]  css_next_descendant_pre+0xeb/0x190
[  258.928060]  mem_cgroup_iter+0x42f/0x1160
[  258.932207]  ? kasan_check_write+0x14/0x20
[  258.936442]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  258.941193]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  258.946208]  ? shrink_slab+0xfa/0x8c0
[  258.950002]  ? shrink_active_list+0x1f00/0x1f00
[  258.954673]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  258.960299]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  258.965401]  ? cgroup_procs_write_finish+0xf0/0xf0
[  258.970333]  ? find_held_lock+0x36/0x1c0
[  258.974392]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.979922]  ? vmpressure+0x1a2/0x340
[  258.983720]  shrink_node+0x516/0x16b0
[  258.987521]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  258.992822]  ? shrink_node_memcg+0x18f0/0x18f0
[  258.997414]  ? kvm_clock_read+0x18/0x30
[  259.001383]  ? ktime_get+0x2c1/0x400
[  259.005098]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  259.009591]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  259.015134]  ? __cpuset_node_allowed+0x19b/0x660
[  259.019888]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  259.025594]  ? delayacct_end+0x5a/0x100
[  259.029570]  do_try_to_free_pages+0x3e7/0x1290
[  259.034146]  ? zap_class+0x640/0x640
[  259.037867]  ? shrink_node+0x16b0/0x16b0
[  259.041928]  ? __lock_is_held+0xb5/0x140
[  259.045996]  try_to_free_pages+0x4d0/0xb90
[  259.050233]  ? do_try_to_free_pages+0x1290/0x1290
[  259.055081]  ? lock_acquire+0x1ed/0x520
[  259.059049]  ? set_page_refcounted+0x280/0x280
[  259.063629]  ? lock_release+0xa00/0xa00
[  259.067598]  ? _raw_spin_unlock_irq+0x60/0x80
[  259.072098]  ? psi_memstall_enter+0x240/0x2b0
[  259.076587]  ? psi_memstall_tick+0x230/0x230
[  259.081002]  __alloc_pages_slowpath+0xa14/0x2e10
[  259.085787]  ? warn_alloc+0x120/0x120
[  259.089584]  ? mark_held_locks+0x130/0x130
[  259.093821]  ? find_get_entry+0xaae/0x1120
[  259.098062]  ? filemap_map_pages+0x1a20/0x1a20
[  259.102641]  ? zap_class+0x640/0x640
[  259.106356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.111892]  ? check_preemption_disabled+0x48/0x280
[  259.116902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.122437]  ? should_fail+0x22d/0xd01
[  259.126326]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.131428]  ? zap_class+0x640/0x640
[  259.135161]  ? __lock_is_held+0xb5/0x140
[  259.139226]  ? mark_held_locks+0x130/0x130
[  259.143461]  ? lock_release+0xa00/0xa00
[  259.147435]  ? perf_trace_sched_process_exec+0x860/0x860
[  259.152881]  ? xa_load+0x2ba/0x460
[  259.156416]  ? lock_downgrade+0x900/0x900
[  259.160561]  ? __might_sleep+0x95/0x190
[  259.164537]  __alloc_pages_nodemask+0xa80/0xde0
[  259.169208]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  259.174219]  ? __page_cache_alloc+0x191/0x5c0
[  259.178706]  ? xa_load+0x2e1/0x460
[  259.182248]  ? xa_clear_mark+0x40/0x40
[  259.186132]  ? zap_class+0x640/0x640
[  259.189849]  ? zap_class+0x640/0x640
[  259.193560]  ? zap_class+0x640/0x640
[  259.197273]  ? __do_page_cache_readahead+0x663/0x810
[  259.202374]  ? find_held_lock+0x36/0x1c0
[  259.206438]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  259.211980]  alloc_pages_current+0x173/0x350
[  259.216389]  __page_cache_alloc+0x38c/0x5c0
[  259.220702]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.225629]  ? kasan_check_read+0x11/0x20
[  259.229772]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.235044]  ? generic_perform_write+0x6a0/0x6a0
[  259.239797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.245338]  ? check_preemption_disabled+0x48/0x280
[  259.250356]  filemap_fault+0x1595/0x25f0
[  259.254423]  ? __lock_page_or_retry+0xa00/0xa00
[  259.259107]  ? mark_held_locks+0x130/0x130
[  259.263344]  ? filemap_map_pages+0xd6b/0x1a20
[  259.267834]  ? lock_downgrade+0x900/0x900
[  259.271981]  ? check_preemption_disabled+0x48/0x280
[  259.276994]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.281920]  ? kasan_check_read+0x11/0x20
[  259.286064]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.291334]  ? rcu_softirq_qs+0x20/0x20
[  259.295312]  ? filemap_map_pages+0xd92/0x1a20
[  259.299807]  ? print_usage_bug+0xc0/0xc0
[  259.303866]  ? find_get_entries_tag+0x1400/0x1400
[  259.308700]  ? __kasan_slab_free+0x102/0x150
[  259.313109]  ? kasan_slab_free+0xe/0x10
[  259.317075]  ? kmem_cache_free+0x83/0x290
[  259.321220]  ? __sigqueue_free.part.29+0x74/0x90
[  259.325987]  ? lock_acquire+0x1ed/0x520
[  259.329958]  ? ext4_filemap_fault+0x7a/0xad
[  259.334287]  ? lock_release+0xa00/0xa00
[  259.338257]  ? perf_trace_sched_process_exec+0x860/0x860
[  259.343703]  ? print_usage_bug+0xc0/0xc0
[  259.347789]  ? print_usage_bug+0xc0/0xc0
[  259.351942]  ? down_read+0x8d/0x120
[  259.355562]  ? ext4_filemap_fault+0x7a/0xad
[  259.359896]  ? __down_interruptible+0x700/0x700
[  259.364568]  ext4_filemap_fault+0x82/0xad
[  259.368720]  __do_fault+0x100/0x6b0
[  259.372347]  ? pmd_devmap_trans_unstable+0x220/0x220
[  259.377448]  ? mark_held_locks+0x130/0x130
[  259.381682]  ? mark_held_locks+0x130/0x130
[  259.385919]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  259.391451]  ? rcu_pm_notify+0xc0/0xc0
[  259.395338]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.400873]  __handle_mm_fault+0x3ea0/0x5be0
[  259.405283]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  259.410121]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.414614]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  259.419192]  ? trace_hardirqs_on+0xbd/0x310
[  259.423508]  ? kasan_check_read+0x11/0x20
[  259.427648]  ? __set_current_blocked+0xdf/0x120
[  259.432323]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.437430]  ? zap_class+0x640/0x640
[  259.441141]  ? zap_class+0x640/0x640
[  259.444854]  ? find_held_lock+0x36/0x1c0
[  259.448918]  ? handle_mm_fault+0x42a/0xc70
[  259.453148]  ? lock_downgrade+0x900/0x900
[  259.457291]  ? check_preemption_disabled+0x48/0x280
[  259.462315]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.467241]  ? kasan_check_read+0x11/0x20
[  259.471383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.476664]  ? rcu_softirq_qs+0x20/0x20
[  259.480633]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.485737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.491274]  ? check_preemption_disabled+0x48/0x280
[  259.496293]  handle_mm_fault+0x54f/0xc70
[  259.500353]  ? __handle_mm_fault+0x5be0/0x5be0
[  259.505032]  ? find_vma+0x34/0x190
[  259.508576]  __do_page_fault+0x5e8/0xe60
[  259.512630]  ? exit_to_usermode_loop+0x1f4/0x380
[  259.517391]  do_page_fault+0xf2/0x7e0
[  259.521187]  ? vmalloc_sync_all+0x30/0x30
[  259.525328]  ? error_entry+0x70/0xd0
[  259.529036]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.534047]  ? trace_hardirqs_on_caller+0xc0/0x310
[  259.538971]  ? syscall_return_slowpath+0x5e0/0x5e0
[  259.543894]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.548732]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.553768]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.559215]  ? prepare_exit_to_usermode+0x291/0x3b0
[  259.564226]  ? page_fault+0x8/0x30
[  259.567770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.572612]  ? page_fault+0x8/0x30
[  259.576150]  page_fault+0x1e/0x30
[  259.579599] RIP: 0033:0x45db60
[  259.582803] Code: Bad RIP value.
[  259.586164] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  259.591519] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  259.598782] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  259.606055] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  259.613319] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  259.620580] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  259.627869] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  259.627927] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.634629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.634634] Call Trace:
[  259.634652]  dump_stack+0x244/0x39d
[  259.634674]  ? dump_stack_print_info.cold.1+0x20/0x20
[  259.641445] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.650758]  warn_alloc.cold.116+0xb7/0x1bd
[  259.653298] syz-fuzzer cpuset=/ mems_allowed=0
[  259.656913]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.685982]  ? lock_downgrade+0x900/0x900
[  259.690135]  ? trace_hardirqs_off+0xb8/0x310
[  259.694542]  ? trace_hardirqs_off+0xb8/0x310
[  259.698954]  __alloc_pages_slowpath+0x26e8/0x2e10
[  259.703820]  ? warn_alloc+0x120/0x120
[  259.707616]  ? print_usage_bug+0xc0/0xc0
[  259.711672]  ? warn_alloc+0x120/0x120
[  259.715479]  ? warn_alloc+0x120/0x120
[  259.719274]  ? print_usage_bug+0xc0/0xc0
[  259.723333]  ? print_usage_bug+0xc0/0xc0
[  259.727388]  ? __lock_acquire+0x62f/0x4c20
[  259.731621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.737152]  ? should_fail+0x22d/0xd01
[  259.741039]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.746137]  ? __lock_acquire+0x62f/0x4c20
[  259.750372]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.755472]  ? __lock_acquire+0x62f/0x4c20
[  259.759711]  ? should_fail+0x22d/0xd01
[  259.763600]  ? find_held_lock+0x36/0x1c0
[  259.767662]  ? mark_held_locks+0x130/0x130
[  259.771900]  ? mark_held_locks+0x130/0x130
[  259.776125]  ? zap_class+0x640/0x640
[  259.779833]  ? zap_class+0x640/0x640
[  259.783542]  ? print_usage_bug+0xc0/0xc0
[  259.787593]  ? do_raw_spin_unlock+0xa7/0x330
[  259.792007]  ? zap_class+0x640/0x640
[  259.795725]  ? print_usage_bug+0xc0/0xc0
[  259.799965]  ? wq_watchdog_touch+0x9c/0xfe
[  259.804548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.810083]  ? check_preemption_disabled+0x48/0x280
[  259.815103]  ? __lock_is_held+0xb5/0x140
[  259.819166]  __alloc_pages_nodemask+0xa80/0xde0
[  259.823830]  ? zap_class+0x640/0x640
[  259.827541]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  259.832563]  ? find_held_lock+0x36/0x1c0
[  259.836625]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.841378]  ? lock_downgrade+0x900/0x900
[  259.845531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.851066]  cache_grow_begin+0xa5/0x8c0
[  259.855123]  ? do_raw_spin_unlock+0xa7/0x330
[  259.859533]  fallback_alloc+0x204/0x2e0
[  259.863505]  ____cache_alloc_node+0x1c7/0x1e0
[  259.867999]  kmem_cache_alloc_node+0xe3/0x730
[  259.872487]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.876813]  __alloc_skb+0x119/0x770
[  259.880521]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.885797]  ? netdev_alloc_frag+0x1f0/0x1f0
[  259.890202]  ? lock_downgrade+0x900/0x900
[  259.894353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.899888]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.905335]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.910779]  ? addrconf_rs_timer+0x690/0x690
[  259.915191]  ndisc_alloc_skb+0x144/0x340
[  259.919254]  ndisc_send_rs+0x331/0x6e0
[  259.923138]  addrconf_rs_timer+0x314/0x690
[  259.927373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.931612]  call_timer_fn+0x272/0x920
[  259.935496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.939724]  ? process_timeout+0x40/0x40
[  259.943795]  ? __run_timers+0x7da/0xc70
[  259.947766]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.952252]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.956744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.960976]  ? lockdep_hardirqs_on+0x296/0x5b0
[  259.965570]  ? trace_hardirqs_on+0xbd/0x310
[  259.969890]  ? kasan_check_read+0x11/0x20
[  259.974033]  ? __run_timers+0x7da/0xc70
[  259.978005]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.983109]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.987340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.991565]  __run_timers+0x7e5/0xc70
[  259.995368]  ? timer_fixup_init+0x70/0x70
[  259.999510]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.003996]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.008486]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  260.013063]  ? trace_hardirqs_on+0xbd/0x310
[  260.017378]  ? kasan_check_read+0x11/0x20
[  260.021524]  ? finish_task_switch+0x1f4/0x910
[  260.026013]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.031108]  ? compat_start_thread+0x80/0x80
[  260.035533]  ? pvclock_read_flags+0x160/0x160
[  260.040020]  ? __switch_to_asm+0x34/0x70
[  260.044080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.049614]  ? check_preemption_disabled+0x48/0x280
[  260.054633]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  260.060177]  ? rcu_pm_notify+0xc0/0xc0
[  260.064058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.069594]  ? check_preemption_disabled+0x48/0x280
[  260.074612]  run_timer_softirq+0x52/0xb0
[  260.078677]  ? rcu_read_lock_sched_held+0x14f/0x180
[  260.083697]  __do_softirq+0x308/0xb7e
[  260.087503]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  260.092603]  ? smpboot_thread_fn+0x334/0xa00
[  260.097009]  ? schedule+0x108/0x460
[  260.100630]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.105395]  ? trace_hardirqs_off+0xb8/0x310
[  260.109803]  ? smpboot_thread_fn+0x68b/0xa00
[  260.114205]  ? trace_hardirqs_on+0x310/0x310
[  260.118607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.124138]  ? check_preemption_disabled+0x48/0x280
[  260.129148]  ? takeover_tasklets+0xa90/0xa90
[  260.133553]  run_ksoftirqd+0x5e/0x100
[  260.137351]  smpboot_thread_fn+0x68b/0xa00
[  260.141587]  ? sort_range+0x30/0x30
[  260.145211]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  260.150311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.155847]  ? __kthread_parkme+0xfb/0x1a0
[  260.160081]  ? sort_range+0x30/0x30
[  260.163706]  kthread+0x35a/0x440
[  260.167070]  ? kthread_stop+0x900/0x900
[  260.171037]  ret_from_fork+0x3a/0x50
[  260.174760] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  260.174765] warn_alloc_show_mem: 1 callbacks suppressed
[  260.174771] Mem-Info:
[  260.181684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.181691] Call Trace:
[  260.187053] active_anon:52607 inactive_anon:182 isolated_anon:0
[  260.187053]  active_file:12 inactive_file:11 isolated_file:0
[  260.187053]  unevictable:0 dirty:0 writeback:0 unstable:0
[  260.187053]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  260.187053]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  260.187053]  free:13782 free_pcp:358 free_cma:0
[  260.189420]  <IRQ>
[  260.198777] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  260.201347]  dump_stack+0x244/0x39d
[  260.234196] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  260.236339]  ? dump_stack_print_info.cold.1+0x20/0x20
[  260.263807] lowmem_reserve[]: 0 2818 6321 6321
[  260.267436]  warn_alloc.cold.116+0xb7/0x1bd
[  260.293515] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  260.298696]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.303254] lowmem_reserve[]: 0 0 3503 3503
[  260.307573]  ? lock_downgrade+0x900/0x900
[  260.335294] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  260.340139]  ? trace_hardirqs_off+0xb8/0x310
[  260.344424] lowmem_reserve[]: 0 0 0 0
[  260.348572]  ? trace_hardirqs_off+0xb8/0x310
[  260.377512] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  260.381916]  __alloc_pages_slowpath+0x26e8/0x2e10
[  260.385687] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  260.390107]  ? warn_alloc+0x120/0x120
[  260.403572] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  260.408412]  ? print_usage_bug+0xc0/0xc0
[  260.423557] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  260.427340]  ? warn_alloc+0x120/0x120
[  260.442228] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  260.446270]  ? warn_alloc+0x120/0x120
[  260.455076] 266 total pagecache pages
[  260.458862]  ? print_usage_bug+0xc0/0xc0
[  260.467415] 0 pages in swap cache
[  260.471200]  ? print_usage_bug+0xc0/0xc0
[  260.474975] Swap cache stats: add 0, delete 0, find 0/0
[  260.479022]  ? __lock_acquire+0x62f/0x4c20
[  260.482446] Free swap  = 0kB
[  260.486494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.491825] Total swap = 0kB
[  260.496045]  ? should_fail+0x22d/0xd01
[  260.499035] 1965979 pages RAM
[  260.504557]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.507546] 0 pages HighMem/MovableOnly
[  260.511420]  ? __lock_acquire+0x62f/0x4c20
[  260.514490] 342854 pages reserved
[  260.514497] 0 pages cma reserved
[  260.519597]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.523600] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.527754]  ? __lock_acquire+0x62f/0x4c20
[  260.527769]  ? should_fail+0x22d/0xd01
[  260.531244] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.534551]  ? find_held_lock+0x36/0x1c0
[  260.539630] ksoftirqd/0 cpuset=/ mems_allowed=0
[  260.546111]  ? mark_held_locks+0x130/0x130
[  260.577394]  ? mark_held_locks+0x130/0x130
[  260.581627]  ? zap_class+0x640/0x640
[  260.585338]  ? zap_class+0x640/0x640
[  260.589048]  ? print_usage_bug+0xc0/0xc0
[  260.593103]  ? do_raw_spin_unlock+0xa7/0x330
[  260.597510]  ? zap_class+0x640/0x640
[  260.601304]  ? print_usage_bug+0xc0/0xc0
[  260.605361]  ? wq_watchdog_touch+0x9c/0xfe
[  260.609592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.615130]  ? check_preemption_disabled+0x48/0x280
[  260.620161]  ? __lock_is_held+0xb5/0x140
[  260.624222]  __alloc_pages_nodemask+0xa80/0xde0
[  260.628887]  ? zap_class+0x640/0x640
[  260.632610]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  260.637636]  ? find_held_lock+0x36/0x1c0
[  260.641700]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.646367]  ? lock_downgrade+0x900/0x900
[  260.650515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.656053]  cache_grow_begin+0xa5/0x8c0
[  260.660118]  ? do_raw_spin_unlock+0xa7/0x330
[  260.664530]  fallback_alloc+0x204/0x2e0
[  260.668510]  ____cache_alloc_node+0x1c7/0x1e0
[  260.673004]  kmem_cache_alloc_node+0xe3/0x730
[  260.677495]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.681736]  __alloc_skb+0x119/0x770
[  260.685474]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.690751]  ? netdev_alloc_frag+0x1f0/0x1f0
[  260.695164]  ? lock_downgrade+0x900/0x900
[  260.699317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.704936]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.710384]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.715830]  ? addrconf_rs_timer+0x690/0x690
[  260.720241]  ndisc_alloc_skb+0x144/0x340
[  260.724302]  ndisc_send_rs+0x331/0x6e0
[  260.728190]  addrconf_rs_timer+0x314/0x690
[  260.732421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.736661]  call_timer_fn+0x272/0x920
[  260.740546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.744787]  ? process_timeout+0x40/0x40
[  260.748852]  ? mark_held_locks+0xc7/0x130
[  260.752996]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.757484]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.761974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.766205]  ? lockdep_hardirqs_on+0x296/0x5b0
[  260.770786]  ? trace_hardirqs_on+0xbd/0x310
[  260.775102]  ? kasan_check_read+0x11/0x20
[  260.779245]  ? __run_timers+0x7da/0xc70
[  260.783218]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.788318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.792550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.796782]  __run_timers+0x7e5/0xc70
[  260.800800]  ? timer_fixup_init+0x70/0x70
[  260.804948]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  260.809959]  ? zap_class+0x640/0x640
[  260.813673]  ? print_usage_bug+0xc0/0xc0
[  260.817733]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  260.822924]  ? find_held_lock+0x36/0x1c0
[  260.826983]  ? zap_class+0x640/0x640
[  260.830697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.836234]  ? check_preemption_disabled+0x48/0x280
[  260.841259]  ? __lock_is_held+0xb5/0x140
[  260.845315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.850849]  ? check_preemption_disabled+0x48/0x280
[  260.855865]  run_timer_softirq+0x52/0xb0
[  260.859922]  ? rcu_read_lock_sched_held+0x14f/0x180
[  260.864936]  __do_softirq+0x308/0xb7e
[  260.868740]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  260.873230]  ? lock_downgrade+0x900/0x900
[  260.877375]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  260.882479]  ? pvclock_read_flags+0x160/0x160
[  260.886971]  ? lapic_next_event+0x5a/0x90
[  260.891119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.896655]  ? kvm_clock_read+0x18/0x30
[  260.900623]  ? kvm_sched_clock_read+0x9/0x20
[  260.905028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.910559]  ? check_preemption_disabled+0x48/0x280
[  260.915593]  irq_exit+0x17f/0x1c0
[  260.919041]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.923875]  ? smp_reschedule_interrupt+0x109/0x650
[  260.928884]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.934763]  ? interrupt_entry+0xb5/0xc0
[  260.938819]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.943826]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.948840]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.953681]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.958691]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.963705]  ? task_prio+0x50/0x50
[  260.967243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.972779]  ? check_preemption_disabled+0x48/0x280
[  260.977797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.982640]  apic_timer_interrupt+0xf/0x20
[  260.986867]  </IRQ>
[  260.989098] RIP: 0010:lock_is_held_type+0x18b/0x210
[  260.994121] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  261.013012] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  261.020801] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  261.028062] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  261.035323] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  261.042590] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  261.049850] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  261.057147]  rcu_read_lock_held+0xa9/0xc0
[  261.061289]  css_next_child+0x2a2/0x620
[  261.065263]  ? cgroup_mount+0xd30/0xd30
[  261.069238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.074772]  ? check_preemption_disabled+0x48/0x280
[  261.079791]  ? __lock_is_held+0xb5/0x140
[  261.083864]  css_next_descendant_pre+0xeb/0x190
[  261.088534]  mem_cgroup_iter+0x42f/0x1160
[  261.092687]  ? kasan_check_write+0x14/0x20
[  261.096923]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  261.101671]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  261.106689]  ? shrink_slab+0xfa/0x8c0
[  261.110486]  ? shrink_active_list+0x1f00/0x1f00
[  261.115155]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  261.120775]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.125885]  ? cgroup_procs_write_finish+0xf0/0xf0
[  261.130814]  ? find_held_lock+0x36/0x1c0
[  261.134870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.140401]  ? vmpressure+0x1a2/0x340
[  261.144199]  shrink_node+0x516/0x16b0
[  261.147996]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  261.153290]  ? shrink_node_memcg+0x18f0/0x18f0
[  261.157872]  ? kvm_clock_read+0x18/0x30
[  261.161843]  ? ktime_get+0x2c1/0x400
[  261.165553]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  261.170055]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  261.175586]  ? __cpuset_node_allowed+0x19b/0x660
[  261.180339]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  261.186049]  ? delayacct_end+0x5a/0x100
[  261.190027]  do_try_to_free_pages+0x3e7/0x1290
[  261.194606]  ? zap_class+0x640/0x640
[  261.198327]  ? shrink_node+0x16b0/0x16b0
[  261.202385]  ? __lock_is_held+0xb5/0x140
[  261.206454]  try_to_free_pages+0x4d0/0xb90
[  261.210691]  ? do_try_to_free_pages+0x1290/0x1290
[  261.215539]  ? lock_acquire+0x1ed/0x520
[  261.219517]  ? set_page_refcounted+0x280/0x280
[  261.224107]  ? lock_release+0xa00/0xa00
[  261.228074]  ? _raw_spin_unlock_irq+0x60/0x80
[  261.232572]  ? psi_memstall_enter+0x240/0x2b0
[  261.237067]  ? psi_memstall_tick+0x230/0x230
[  261.241485]  __alloc_pages_slowpath+0xa14/0x2e10
[  261.246347]  ? warn_alloc+0x120/0x120
[  261.250141]  ? mark_held_locks+0x130/0x130
[  261.254374]  ? find_get_entry+0xaae/0x1120
[  261.258612]  ? filemap_map_pages+0x1a20/0x1a20
[  261.263197]  ? zap_class+0x640/0x640
[  261.266916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.272450]  ? check_preemption_disabled+0x48/0x280
[  261.277459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.282994]  ? should_fail+0x22d/0xd01
[  261.286882]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.291992]  ? zap_class+0x640/0x640
[  261.295721]  ? __lock_is_held+0xb5/0x140
[  261.299784]  ? mark_held_locks+0x130/0x130
[  261.304014]  ? lock_release+0xa00/0xa00
[  261.307983]  ? perf_trace_sched_process_exec+0x860/0x860
[  261.313426]  ? xa_load+0x2ba/0x460
[  261.316982]  ? lock_downgrade+0x900/0x900
[  261.321128]  ? __might_sleep+0x95/0x190
[  261.325109]  __alloc_pages_nodemask+0xa80/0xde0
[  261.329780]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  261.334790]  ? __page_cache_alloc+0x191/0x5c0
[  261.339276]  ? xa_load+0x2e1/0x460
[  261.342825]  ? xa_clear_mark+0x40/0x40
[  261.346710]  ? zap_class+0x640/0x640
[  261.350424]  ? zap_class+0x640/0x640
[  261.354130]  ? zap_class+0x640/0x640
[  261.357842]  ? __do_page_cache_readahead+0x663/0x810
[  261.362946]  ? find_held_lock+0x36/0x1c0
[  261.367007]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  261.372552]  alloc_pages_current+0x173/0x350
[  261.376965]  __page_cache_alloc+0x38c/0x5c0
[  261.381279]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.386205]  ? kasan_check_read+0x11/0x20
[  261.390350]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.395622]  ? generic_perform_write+0x6a0/0x6a0
[  261.400373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.405905]  ? check_preemption_disabled+0x48/0x280
[  261.410921]  filemap_fault+0x1595/0x25f0
[  261.415001]  ? __lock_page_or_retry+0xa00/0xa00
[  261.419669]  ? mark_held_locks+0x130/0x130
[  261.423908]  ? filemap_map_pages+0xd6b/0x1a20
[  261.428401]  ? lock_downgrade+0x900/0x900
[  261.432550]  ? check_preemption_disabled+0x48/0x280
[  261.437575]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.442502]  ? kasan_check_read+0x11/0x20
[  261.446647]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.451918]  ? rcu_softirq_qs+0x20/0x20
[  261.455897]  ? filemap_map_pages+0xd92/0x1a20
[  261.460389]  ? print_usage_bug+0xc0/0xc0
[  261.464448]  ? find_get_entries_tag+0x1400/0x1400
[  261.469287]  ? __kasan_slab_free+0x102/0x150
[  261.473689]  ? kasan_slab_free+0xe/0x10
[  261.477661]  ? kmem_cache_free+0x83/0x290
[  261.481808]  ? __sigqueue_free.part.29+0x74/0x90
[  261.486578]  ? lock_acquire+0x1ed/0x520
[  261.490553]  ? ext4_filemap_fault+0x7a/0xad
[  261.494877]  ? lock_release+0xa00/0xa00
[  261.498846]  ? perf_trace_sched_process_exec+0x860/0x860
[  261.504294]  ? print_usage_bug+0xc0/0xc0
[  261.508348]  ? print_usage_bug+0xc0/0xc0
[  261.512413]  ? down_read+0x8d/0x120
[  261.516032]  ? ext4_filemap_fault+0x7a/0xad
[  261.520350]  ? __down_interruptible+0x700/0x700
[  261.525023]  ext4_filemap_fault+0x82/0xad
[  261.529169]  __do_fault+0x100/0x6b0
[  261.532792]  ? pmd_devmap_trans_unstable+0x220/0x220
[  261.537894]  ? mark_held_locks+0x130/0x130
[  261.542128]  ? mark_held_locks+0x130/0x130
[  261.546357]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  261.551888]  ? rcu_pm_notify+0xc0/0xc0
[  261.555777]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.561313]  __handle_mm_fault+0x3ea0/0x5be0
[  261.565721]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  261.570554]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.575045]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  261.579628]  ? trace_hardirqs_on+0xbd/0x310
[  261.583945]  ? kasan_check_read+0x11/0x20
[  261.588088]  ? __set_current_blocked+0xdf/0x120
[  261.592753]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.597862]  ? zap_class+0x640/0x640
[  261.601575]  ? zap_class+0x640/0x640
[  261.605291]  ? find_held_lock+0x36/0x1c0
[  261.609354]  ? handle_mm_fault+0x42a/0xc70
[  261.613586]  ? lock_downgrade+0x900/0x900
[  261.617729]  ? check_preemption_disabled+0x48/0x280
[  261.622750]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.627673]  ? kasan_check_read+0x11/0x20
[  261.631824]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.637489]  ? rcu_softirq_qs+0x20/0x20
[  261.641466]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.646563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.652100]  ? check_preemption_disabled+0x48/0x280
[  261.657122]  handle_mm_fault+0x54f/0xc70
[  261.661179]  ? __handle_mm_fault+0x5be0/0x5be0
[  261.665761]  ? find_vma+0x34/0x190
[  261.669299]  __do_page_fault+0x5e8/0xe60
[  261.673359]  ? exit_to_usermode_loop+0x1f4/0x380
[  261.678121]  do_page_fault+0xf2/0x7e0
[  261.681919]  ? vmalloc_sync_all+0x30/0x30
[  261.686069]  ? error_entry+0x70/0xd0
[  261.689779]  ? trace_hardirqs_off_caller+0xbb/0x310
[  261.694787]  ? trace_hardirqs_on_caller+0xc0/0x310
[  261.699711]  ? syscall_return_slowpath+0x5e0/0x5e0
[  261.704634]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.709471]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.714484]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.719940]  ? prepare_exit_to_usermode+0x291/0x3b0
[  261.724947]  ? page_fault+0x8/0x30
[  261.728484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.733327]  ? page_fault+0x8/0x30
[  261.736864]  page_fault+0x1e/0x30
[  261.740309] RIP: 0033:0x45db60
[  261.743506] Code: Bad RIP value.
[  261.746869] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  261.752228] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  261.759491] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  261.766764] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  261.774024] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  261.781287] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  261.788573] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  261.788632] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  261.795317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.795321] Call Trace:
[  261.795339]  dump_stack+0x244/0x39d
[  261.795358]  ? dump_stack_print_info.cold.1+0x20/0x20
[  261.801895] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  261.811514]  warn_alloc.cold.116+0xb7/0x1bd
[  261.814064] syz-fuzzer cpuset=/ mems_allowed=0
[  261.817680]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.846738]  ? lock_downgrade+0x900/0x900
[  261.850890]  ? trace_hardirqs_off+0xb8/0x310
[  261.855298]  ? trace_hardirqs_off+0xb8/0x310
[  261.859727]  __alloc_pages_slowpath+0x26e8/0x2e10
[  261.864603]  ? warn_alloc+0x120/0x120
[  261.868404]  ? print_usage_bug+0xc0/0xc0
[  261.872463]  ? warn_alloc+0x120/0x120
[  261.876263]  ? warn_alloc+0x120/0x120
[  261.880058]  ? print_usage_bug+0xc0/0xc0
[  261.884119]  ? print_usage_bug+0xc0/0xc0
[  261.888175]  ? __lock_acquire+0x62f/0x4c20
[  261.892413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.897948]  ? should_fail+0x22d/0xd01
[  261.901834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.906936]  ? __lock_acquire+0x62f/0x4c20
[  261.911171]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.916270]  ? __lock_acquire+0x62f/0x4c20
[  261.920504]  ? should_fail+0x22d/0xd01
[  261.924393]  ? find_held_lock+0x36/0x1c0
[  261.928455]  ? mark_held_locks+0x130/0x130
[  261.932689]  ? mark_held_locks+0x130/0x130
[  261.936926]  ? zap_class+0x640/0x640
[  261.940643]  ? zap_class+0x640/0x640
[  261.944351]  ? print_usage_bug+0xc0/0xc0
[  261.948407]  ? do_raw_spin_unlock+0xa7/0x330
[  261.952808]  ? zap_class+0x640/0x640
[  261.956524]  ? print_usage_bug+0xc0/0xc0
[  261.960586]  ? wq_watchdog_touch+0x9c/0xfe
[  261.964816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.970351]  ? check_preemption_disabled+0x48/0x280
[  261.975373]  ? __lock_is_held+0xb5/0x140
[  261.979436]  __alloc_pages_nodemask+0xa80/0xde0
[  261.984097]  ? zap_class+0x640/0x640
[  261.987811]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  261.992830]  ? find_held_lock+0x36/0x1c0
[  261.996894]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.001559]  ? lock_downgrade+0x900/0x900
[  262.005710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.011247]  cache_grow_begin+0xa5/0x8c0
[  262.015301]  ? do_raw_spin_unlock+0xa7/0x330
[  262.019711]  fallback_alloc+0x204/0x2e0
[  262.023684]  ____cache_alloc_node+0x1c7/0x1e0
[  262.028179]  kmem_cache_alloc_node+0xe3/0x730
[  262.032671]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.036913]  __alloc_skb+0x119/0x770
[  262.040618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.045896]  ? netdev_alloc_frag+0x1f0/0x1f0
[  262.050312]  ? lock_downgrade+0x900/0x900
[  262.054460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.060003]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.065451]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.070903]  ? addrconf_rs_timer+0x690/0x690
[  262.075315]  ndisc_alloc_skb+0x144/0x340
[  262.079378]  ndisc_send_rs+0x331/0x6e0
[  262.083263]  addrconf_rs_timer+0x314/0x690
[  262.087501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.091742]  call_timer_fn+0x272/0x920
[  262.095626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.099859]  ? process_timeout+0x40/0x40
[  262.103919]  ? __run_timers+0x7da/0xc70
[  262.107889]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.112376]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.116867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.121096]  ? lockdep_hardirqs_on+0x296/0x5b0
[  262.125677]  ? trace_hardirqs_on+0xbd/0x310
[  262.129989]  ? kasan_check_read+0x11/0x20
[  262.134129]  ? __run_timers+0x7da/0xc70
[  262.138116]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.143216]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.147448]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.151682]  __run_timers+0x7e5/0xc70
[  262.155493]  ? timer_fixup_init+0x70/0x70
[  262.159636]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.164122]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.168616]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  262.173196]  ? trace_hardirqs_on+0xbd/0x310
[  262.177524]  ? kasan_check_read+0x11/0x20
[  262.181668]  ? finish_task_switch+0x1f4/0x910
[  262.186157]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.191253]  ? compat_start_thread+0x80/0x80
[  262.195672]  ? pvclock_read_flags+0x160/0x160
[  262.200160]  ? __switch_to_asm+0x34/0x70
[  262.204217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.209749]  ? check_preemption_disabled+0x48/0x280
[  262.214771]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  262.220303]  ? rcu_pm_notify+0xc0/0xc0
[  262.224184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.229716]  ? check_preemption_disabled+0x48/0x280
[  262.234731]  run_timer_softirq+0x52/0xb0
[  262.238789]  ? rcu_read_lock_sched_held+0x14f/0x180
[  262.243799]  __do_softirq+0x308/0xb7e
[  262.247605]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  262.252707]  ? smpboot_thread_fn+0x334/0xa00
[  262.257115]  ? schedule+0x108/0x460
[  262.260737]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  262.265511]  ? trace_hardirqs_off+0xb8/0x310
[  262.269919]  ? smpboot_thread_fn+0x68b/0xa00
[  262.274320]  ? trace_hardirqs_on+0x310/0x310
[  262.278726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.284270]  ? check_preemption_disabled+0x48/0x280
[  262.289282]  ? takeover_tasklets+0xa90/0xa90
[  262.293686]  run_ksoftirqd+0x5e/0x100
[  262.297487]  smpboot_thread_fn+0x68b/0xa00
[  262.301727]  ? sort_range+0x30/0x30
[  262.305355]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.310452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.315993]  ? __kthread_parkme+0xfb/0x1a0
[  262.320224]  ? sort_range+0x30/0x30
[  262.323843]  kthread+0x35a/0x440
[  262.327207]  ? kthread_stop+0x900/0x900
[  262.331188]  ret_from_fork+0x3a/0x50
[  262.334912] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  262.334917] warn_alloc_show_mem: 1 callbacks suppressed
[  262.334923] Mem-Info:
[  262.341835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.347196] active_anon:52607 inactive_anon:182 isolated_anon:0
[  262.347196]  active_file:12 inactive_file:11 isolated_file:0
[  262.347196]  unevictable:0 dirty:0 writeback:0 unstable:0
[  262.347196]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  262.347196]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  262.347196]  free:13782 free_pcp:358 free_cma:0
[  262.349563] Call Trace:
[  262.358933] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  262.391772]  <IRQ>
[  262.394336] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  262.421822]  dump_stack+0x244/0x39d
[  262.423942] lowmem_reserve[]: 0 2818 6321 6321
[  262.450045]  ? dump_stack_print_info.cold.1+0x20/0x20
[  262.453643] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  262.458223]  warn_alloc.cold.116+0xb7/0x1bd
[  262.463373] lowmem_reserve[]: 0 0 3503 3503
[  262.491038]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.495329] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  262.499644]  ? lock_downgrade+0x900/0x900
[  262.504462] lowmem_reserve[]: 0 0 0 0
[  262.533425]  ? trace_hardirqs_off+0xb8/0x310
[  262.537538] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  262.541333]  ? trace_hardirqs_off+0xb8/0x310
[  262.545710] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  262.559227]  __alloc_pages_slowpath+0x26e8/0x2e10
[  262.563603] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  262.578789]  ? warn_alloc+0x120/0x120
[  262.583590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  262.598487]  ? print_usage_bug+0xc0/0xc0
[  262.602264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  262.611079]  ? warn_alloc+0x120/0x120
[  262.615115] 266 total pagecache pages
[  262.623676]  ? warn_alloc+0x120/0x120
[  262.627459] 0 pages in swap cache
[  262.631239]  ? print_usage_bug+0xc0/0xc0
[  262.635023] Swap cache stats: add 0, delete 0, find 0/0
[  262.638465]  ? kvm_clock_read+0x18/0x30
[  262.642596] Free swap  = 0kB
[  262.647946]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  262.651888] Total swap = 0kB
[  262.654900]  ? print_usage_bug+0xc0/0xc0
[  262.659968] 1965979 pages RAM
[  262.659976] 0 pages HighMem/MovableOnly
[  262.662984]  ? __lock_acquire+0x62f/0x4c20
[  262.667021] 342854 pages reserved
[  262.670114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.674058] 0 pages cma reserved
[  262.678283]  ? should_fail+0x22d/0xd01
[  262.681761] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.687226]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.687243]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.690631] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.694464]  ? __lock_acquire+0x62f/0x4c20
[  262.700928] ksoftirqd/0 cpuset=/ mems_allowed=0
[  262.706195]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.735526]  ? __lock_acquire+0x62f/0x4c20
[  262.739755]  ? should_fail+0x22d/0xd01
[  262.743634]  ? rcu_irq_exit+0x1a2/0x390
[  262.747639]  ? mark_held_locks+0x130/0x130
[  262.751873]  ? mark_held_locks+0x130/0x130
[  262.756108]  ? mark_held_locks+0xc7/0x130
[  262.760250]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  262.765260]  ? zap_class+0x640/0x640
[  262.768970]  ? print_usage_bug+0xc0/0xc0
[  262.773031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.778564]  ? check_preemption_disabled+0x48/0x280
[  262.783582]  ? __lock_is_held+0xb5/0x140
[  262.787642]  __alloc_pages_nodemask+0xa80/0xde0
[  262.792308]  ? zap_class+0x640/0x640
[  262.796021]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  262.801041]  ? find_held_lock+0x36/0x1c0
[  262.805111]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.809775]  ? lock_downgrade+0x900/0x900
[  262.813927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.819463]  cache_grow_begin+0xa5/0x8c0
[  262.823526]  ? do_raw_spin_unlock+0xa7/0x330
[  262.827938]  fallback_alloc+0x204/0x2e0
[  262.831915]  ____cache_alloc_node+0x1c7/0x1e0
[  262.836410]  kmem_cache_alloc_node+0xe3/0x730
[  262.840912]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.845149]  __alloc_skb+0x119/0x770
[  262.848860]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.854136]  ? netdev_alloc_frag+0x1f0/0x1f0
[  262.858540]  ? lock_downgrade+0x900/0x900
[  262.862697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.868226]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.873673]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.879117]  ? addrconf_rs_timer+0x690/0x690
[  262.883534]  ndisc_alloc_skb+0x144/0x340
[  262.887592]  ndisc_send_rs+0x331/0x6e0
[  262.891483]  addrconf_rs_timer+0x314/0x690
[  262.895719]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.899964]  call_timer_fn+0x272/0x920
[  262.903843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.908070]  ? process_timeout+0x40/0x40
[  262.912138]  ? mark_held_locks+0xc7/0x130
[  262.916284]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.920771]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.925257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.929489]  ? lockdep_hardirqs_on+0x296/0x5b0
[  262.934069]  ? trace_hardirqs_on+0xbd/0x310
[  262.938383]  ? kasan_check_read+0x11/0x20
[  262.942534]  ? __run_timers+0x7da/0xc70
[  262.946505]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.951609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.955841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.960071]  __run_timers+0x7e5/0xc70
[  262.963878]  ? timer_fixup_init+0x70/0x70
[  262.968027]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  262.973042]  ? zap_class+0x640/0x640
[  262.976754]  ? print_usage_bug+0xc0/0xc0
[  262.980816]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  262.986009]  ? find_held_lock+0x36/0x1c0
[  262.990076]  ? zap_class+0x640/0x640
[  262.993792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.999325]  ? check_preemption_disabled+0x48/0x280
[  263.004345]  ? __lock_is_held+0xb5/0x140
[  263.008408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.013947]  ? check_preemption_disabled+0x48/0x280
[  263.018965]  run_timer_softirq+0x52/0xb0
[  263.023020]  ? rcu_read_lock_sched_held+0x14f/0x180
[  263.028031]  __do_softirq+0x308/0xb7e
[  263.031833]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  263.036320]  ? lock_downgrade+0x900/0x900
[  263.040469]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  263.045574]  ? pvclock_read_flags+0x160/0x160
[  263.050067]  ? lapic_next_event+0x5a/0x90
[  263.054212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.059748]  ? kvm_clock_read+0x18/0x30
[  263.063719]  ? kvm_sched_clock_read+0x9/0x20
[  263.068126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.073672]  ? check_preemption_disabled+0x48/0x280
[  263.078695]  irq_exit+0x17f/0x1c0
[  263.082143]  smp_apic_timer_interrupt+0x1cb/0x760
[  263.086980]  ? smp_reschedule_interrupt+0x109/0x650
[  263.092078]  ? smp_call_function_single_interrupt+0x650/0x650
[  263.097958]  ? interrupt_entry+0xb5/0xc0
[  263.102016]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.107028]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.112050]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.116889]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.121904]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.126921]  ? task_prio+0x50/0x50
[  263.130465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.135997]  ? check_preemption_disabled+0x48/0x280
[  263.141012]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.145859]  apic_timer_interrupt+0xf/0x20
[  263.150082]  </IRQ>
[  263.152319] RIP: 0010:lock_is_held_type+0x18b/0x210
[  263.157330] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  263.176225] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  263.183934] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  263.191196] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  263.198461] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  263.205722] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  263.212982] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  263.220271]  rcu_read_lock_held+0xa9/0xc0
[  263.224419]  css_next_child+0x2a2/0x620
[  263.228400]  ? cgroup_mount+0xd30/0xd30
[  263.232372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.237911]  ? check_preemption_disabled+0x48/0x280
[  263.242944]  ? __lock_is_held+0xb5/0x140
[  263.247016]  css_next_descendant_pre+0xeb/0x190
[  263.251685]  mem_cgroup_iter+0x42f/0x1160
[  263.255828]  ? kasan_check_write+0x14/0x20
[  263.260069]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  263.264822]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  263.269839]  ? shrink_slab+0xfa/0x8c0
[  263.273638]  ? shrink_active_list+0x1f00/0x1f00
[  263.278311]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  263.283939]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  263.289042]  ? cgroup_procs_write_finish+0xf0/0xf0
[  263.293973]  ? find_held_lock+0x36/0x1c0
[  263.298034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.303568]  ? vmpressure+0x1a2/0x340
[  263.307381]  shrink_node+0x516/0x16b0
[  263.311177]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  263.316474]  ? shrink_node_memcg+0x18f0/0x18f0
[  263.321058]  ? kvm_clock_read+0x18/0x30
[  263.325031]  ? ktime_get+0x2c1/0x400
[  263.328743]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  263.333413]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  263.338946]  ? __cpuset_node_allowed+0x19b/0x660
[  263.343701]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  263.349804]  ? delayacct_end+0x5a/0x100
[  263.353780]  do_try_to_free_pages+0x3e7/0x1290
[  263.358384]  ? zap_class+0x640/0x640
[  263.362107]  ? shrink_node+0x16b0/0x16b0
[  263.366164]  ? __lock_is_held+0xb5/0x140
[  263.370233]  try_to_free_pages+0x4d0/0xb90
[  263.374471]  ? do_try_to_free_pages+0x1290/0x1290
[  263.379319]  ? lock_acquire+0x1ed/0x520
[  263.383290]  ? set_page_refcounted+0x280/0x280
[  263.387878]  ? lock_release+0xa00/0xa00
[  263.391851]  ? _raw_spin_unlock_irq+0x60/0x80
[  263.396341]  ? psi_memstall_enter+0x240/0x2b0
[  263.400928]  ? psi_memstall_tick+0x230/0x230
[  263.405343]  __alloc_pages_slowpath+0xa14/0x2e10
[  263.410133]  ? warn_alloc+0x120/0x120
[  263.413932]  ? mark_held_locks+0x130/0x130
[  263.418165]  ? find_get_entry+0xaae/0x1120
[  263.422402]  ? filemap_map_pages+0x1a20/0x1a20
[  263.426998]  ? zap_class+0x640/0x640
[  263.430710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.436249]  ? check_preemption_disabled+0x48/0x280
[  263.441261]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.446796]  ? should_fail+0x22d/0xd01
[  263.450682]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.455784]  ? zap_class+0x640/0x640
[  263.459513]  ? __lock_is_held+0xb5/0x140
[  263.463580]  ? mark_held_locks+0x130/0x130
[  263.467810]  ? lock_release+0xa00/0xa00
[  263.471788]  ? perf_trace_sched_process_exec+0x860/0x860
[  263.477236]  ? xa_load+0x2ba/0x460
[  263.480774]  ? lock_downgrade+0x900/0x900
[  263.484925]  ? __might_sleep+0x95/0x190
[  263.488905]  __alloc_pages_nodemask+0xa80/0xde0
[  263.493574]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  263.498594]  ? __page_cache_alloc+0x191/0x5c0
[  263.503086]  ? xa_load+0x2e1/0x460
[  263.506623]  ? xa_clear_mark+0x40/0x40
[  263.510510]  ? zap_class+0x640/0x640
[  263.514225]  ? zap_class+0x640/0x640
[  263.517936]  ? zap_class+0x640/0x640
[  263.521646]  ? __do_page_cache_readahead+0x663/0x810
[  263.526748]  ? find_held_lock+0x36/0x1c0
[  263.530808]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  263.536346]  alloc_pages_current+0x173/0x350
[  263.540760]  __page_cache_alloc+0x38c/0x5c0
[  263.545078]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.550001]  ? kasan_check_read+0x11/0x20
[  263.554148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.559423]  ? generic_perform_write+0x6a0/0x6a0
[  263.564178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.569712]  ? check_preemption_disabled+0x48/0x280
[  263.574730]  filemap_fault+0x1595/0x25f0
[  263.578797]  ? __lock_page_or_retry+0xa00/0xa00
[  263.583462]  ? mark_held_locks+0x130/0x130
[  263.587700]  ? filemap_map_pages+0xd6b/0x1a20
[  263.592190]  ? lock_downgrade+0x900/0x900
[  263.596335]  ? check_preemption_disabled+0x48/0x280
[  263.601359]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.606282]  ? kasan_check_read+0x11/0x20
[  263.610431]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.615700]  ? rcu_softirq_qs+0x20/0x20
[  263.619685]  ? filemap_map_pages+0xd92/0x1a20
[  263.624182]  ? print_usage_bug+0xc0/0xc0
[  263.628244]  ? find_get_entries_tag+0x1400/0x1400
[  263.633082]  ? __kasan_slab_free+0x102/0x150
[  263.637740]  ? kasan_slab_free+0xe/0x10
[  263.641712]  ? kmem_cache_free+0x83/0x290
[  263.645866]  ? __sigqueue_free.part.29+0x74/0x90
[  263.650637]  ? lock_acquire+0x1ed/0x520
[  263.654607]  ? ext4_filemap_fault+0x7a/0xad
[  263.658929]  ? lock_release+0xa00/0xa00
[  263.662900]  ? perf_trace_sched_process_exec+0x860/0x860
[  263.668351]  ? print_usage_bug+0xc0/0xc0
[  263.672407]  ? print_usage_bug+0xc0/0xc0
[  263.676473]  ? down_read+0x8d/0x120
[  263.680093]  ? ext4_filemap_fault+0x7a/0xad
[  263.684411]  ? __down_interruptible+0x700/0x700
[  263.689172]  ext4_filemap_fault+0x82/0xad
[  263.693318]  __do_fault+0x100/0x6b0
[  263.696953]  ? pmd_devmap_trans_unstable+0x220/0x220
[  263.702051]  ? mark_held_locks+0x130/0x130
[  263.706284]  ? mark_held_locks+0x130/0x130
[  263.710524]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  263.716079]  ? rcu_pm_notify+0xc0/0xc0
[  263.719969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.725504]  __handle_mm_fault+0x3ea0/0x5be0
[  263.729917]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  263.734755]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.739245]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  263.743821]  ? trace_hardirqs_on+0xbd/0x310
[  263.748138]  ? kasan_check_read+0x11/0x20
[  263.752298]  ? __set_current_blocked+0xdf/0x120
[  263.756970]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.762169]  ? zap_class+0x640/0x640
[  263.765887]  ? zap_class+0x640/0x640
[  263.769605]  ? find_held_lock+0x36/0x1c0
[  263.773673]  ? handle_mm_fault+0x42a/0xc70
[  263.777904]  ? lock_downgrade+0x900/0x900
[  263.782052]  ? check_preemption_disabled+0x48/0x280
[  263.787066]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.791988]  ? kasan_check_read+0x11/0x20
[  263.796131]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.801415]  ? rcu_softirq_qs+0x20/0x20
[  263.805907]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.811012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.816547]  ? check_preemption_disabled+0x48/0x280
[  263.821568]  handle_mm_fault+0x54f/0xc70
[  263.825631]  ? __handle_mm_fault+0x5be0/0x5be0
[  263.830211]  ? find_vma+0x34/0x190
[  263.833749]  __do_page_fault+0x5e8/0xe60
[  263.837808]  ? exit_to_usermode_loop+0x1f4/0x380
[  263.842570]  do_page_fault+0xf2/0x7e0
[  263.846369]  ? vmalloc_sync_all+0x30/0x30
[  263.850511]  ? error_entry+0x70/0xd0
[  263.854221]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.859230]  ? trace_hardirqs_on_caller+0xc0/0x310
[  263.864152]  ? syscall_return_slowpath+0x5e0/0x5e0
[  263.869075]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.873911]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.878924]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.884374]  ? prepare_exit_to_usermode+0x291/0x3b0
[  263.889385]  ? page_fault+0x8/0x30
[  263.892927]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.897766]  ? page_fault+0x8/0x30
[  263.901305]  page_fault+0x1e/0x30
[  263.904757] RIP: 0033:0x45db60
[  263.907964] Code: Bad RIP value.
[  263.911331] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  263.916688] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  263.923951] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  263.931212] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  263.938479] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  263.945743] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  263.953030] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  263.953092] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.959779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.959786] Call Trace:
[  263.966349] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.975606]  dump_stack+0x244/0x39d
[  263.978162] syz-fuzzer cpuset=/ mems_allowed=0
[  263.988378]  ? dump_stack_print_info.cold.1+0x20/0x20
[  264.001727]  warn_alloc.cold.116+0xb7/0x1bd
[  264.006043]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.010891]  ? lock_downgrade+0x900/0x900
[  264.015041]  ? trace_hardirqs_off+0xb8/0x310
[  264.019451]  ? trace_hardirqs_off+0xb8/0x310
[  264.023863]  __alloc_pages_slowpath+0x26e8/0x2e10
[  264.028723]  ? warn_alloc+0x120/0x120
[  264.032525]  ? print_usage_bug+0xc0/0xc0
[  264.036587]  ? warn_alloc+0x120/0x120
[  264.040386]  ? warn_alloc+0x120/0x120
[  264.044182]  ? print_usage_bug+0xc0/0xc0
[  264.048244]  ? print_usage_bug+0xc0/0xc0
[  264.052301]  ? __lock_acquire+0x62f/0x4c20
[  264.056542]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.062072]  ? should_fail+0x22d/0xd01
[  264.065983]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.071079]  ? __lock_acquire+0x62f/0x4c20
[  264.075325]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.080422]  ? __lock_acquire+0x62f/0x4c20
[  264.084648]  ? should_fail+0x22d/0xd01
[  264.088527]  ? find_held_lock+0x36/0x1c0
[  264.092681]  ? mark_held_locks+0x130/0x130
[  264.096915]  ? mark_held_locks+0x130/0x130
[  264.101141]  ? zap_class+0x640/0x640
[  264.104858]  ? zap_class+0x640/0x640
[  264.108572]  ? print_usage_bug+0xc0/0xc0
[  264.112624]  ? do_raw_spin_unlock+0xa7/0x330
[  264.117031]  ? zap_class+0x640/0x640
[  264.120740]  ? print_usage_bug+0xc0/0xc0
[  264.124796]  ? wq_watchdog_touch+0x9c/0xfe
[  264.129126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.134661]  ? check_preemption_disabled+0x48/0x280
[  264.139684]  ? __lock_is_held+0xb5/0x140
[  264.143749]  __alloc_pages_nodemask+0xa80/0xde0
[  264.148413]  ? zap_class+0x640/0x640
[  264.152131]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  264.157155]  ? find_held_lock+0x36/0x1c0
[  264.161219]  ? ____cache_alloc_node+0x1c7/0x1e0
[  264.165882]  ? lock_downgrade+0x900/0x900
[  264.170030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.175564]  cache_grow_begin+0xa5/0x8c0
[  264.179618]  ? do_raw_spin_unlock+0xa7/0x330
[  264.184025]  fallback_alloc+0x204/0x2e0
[  264.188000]  ____cache_alloc_node+0x1c7/0x1e0
[  264.192494]  kmem_cache_alloc_node+0xe3/0x730
[  264.196981]  ? ipv6_get_ifaddr+0x42e/0x620
[  264.201224]  __alloc_skb+0x119/0x770
[  264.204930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.210202]  ? netdev_alloc_frag+0x1f0/0x1f0
[  264.214614]  ? lock_downgrade+0x900/0x900
[  264.218766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.224304]  ? refcount_sub_and_test_checked+0x203/0x310
[  264.229760]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  264.235208]  ? addrconf_rs_timer+0x690/0x690
[  264.239623]  ndisc_alloc_skb+0x144/0x340
[  264.243697]  ndisc_send_rs+0x331/0x6e0
[  264.247592]  addrconf_rs_timer+0x314/0x690
[  264.251827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.256066]  call_timer_fn+0x272/0x920
[  264.259947]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.264174]  ? process_timeout+0x40/0x40
[  264.268240]  ? __run_timers+0x7da/0xc70
[  264.272213]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.276702]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.281190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.285420]  ? lockdep_hardirqs_on+0x296/0x5b0
[  264.289996]  ? trace_hardirqs_on+0xbd/0x310
[  264.294320]  ? kasan_check_read+0x11/0x20
[  264.298463]  ? __run_timers+0x7da/0xc70
[  264.302435]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.307541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.311777]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.316006]  __run_timers+0x7e5/0xc70
[  264.319809]  ? timer_fixup_init+0x70/0x70
[  264.323952]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.328442]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.332931]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  264.337508]  ? trace_hardirqs_on+0xbd/0x310
[  264.341830]  ? kasan_check_read+0x11/0x20
[  264.345974]  ? finish_task_switch+0x1f4/0x910
[  264.350465]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.355565]  ? compat_start_thread+0x80/0x80
[  264.359985]  ? pvclock_read_flags+0x160/0x160
[  264.364472]  ? __switch_to_asm+0x34/0x70
[  264.368533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.374076]  ? check_preemption_disabled+0x48/0x280
[  264.379093]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  264.384630]  ? rcu_pm_notify+0xc0/0xc0
[  264.388515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.394046]  ? check_preemption_disabled+0x48/0x280
[  264.399062]  run_timer_softirq+0x52/0xb0
[  264.403116]  ? rcu_read_lock_sched_held+0x14f/0x180
[  264.408127]  __do_softirq+0x308/0xb7e
[  264.411934]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  264.417039]  ? smpboot_thread_fn+0x334/0xa00
[  264.421448]  ? schedule+0x108/0x460
[  264.425069]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  264.429826]  ? trace_hardirqs_off+0xb8/0x310
[  264.434232]  ? smpboot_thread_fn+0x68b/0xa00
[  264.438649]  ? trace_hardirqs_on+0x310/0x310
[  264.443051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.448581]  ? check_preemption_disabled+0x48/0x280
[  264.453591]  ? takeover_tasklets+0xa90/0xa90
[  264.457994]  run_ksoftirqd+0x5e/0x100
[  264.461789]  smpboot_thread_fn+0x68b/0xa00
[  264.466019]  ? sort_range+0x30/0x30
[  264.469639]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.474736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.480271]  ? __kthread_parkme+0xfb/0x1a0
[  264.484517]  ? sort_range+0x30/0x30
[  264.488140]  kthread+0x35a/0x440
[  264.491500]  ? kthread_stop+0x900/0x900
[  264.495473]  ret_from_fork+0x3a/0x50
[  264.499197] warn_alloc_show_mem: 1 callbacks suppressed
[  264.499206] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  264.499208] Mem-Info:
[  264.499240] active_anon:52607 inactive_anon:182 isolated_anon:0
[  264.499240]  active_file:12 inactive_file:11 isolated_file:0
[  264.499240]  unevictable:0 dirty:0 writeback:0 unstable:0
[  264.499240]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  264.499240]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  264.499240]  free:13782 free_pcp:358 free_cma:0
[  264.504568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.511491] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  264.513878] Call Trace:
[  264.546745] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  264.556086]  <IRQ>
[  264.583552] lowmem_reserve[]: 0 2818 6321 6321
[  264.586134]  dump_stack+0x244/0x39d
[  264.612211] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  264.614357]  ? dump_stack_print_info.cold.1+0x20/0x20
[  264.618901] lowmem_reserve[]: 0 0 3503 3503
[  264.622531]  warn_alloc.cold.116+0xb7/0x1bd
[  264.650164] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  264.655344]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.659634] lowmem_reserve[]: 0 0 0 0
[  264.663948]  ? lock_downgrade+0x900/0x900
[  264.692889] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  264.697727]  ? trace_hardirqs_off+0xb8/0x310
[  264.701494] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  264.705636]  ? trace_hardirqs_off+0xb8/0x310
[  264.719140] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  264.723539]  __alloc_pages_slowpath+0x26e8/0x2e10
[  264.739293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  264.743700]  ? warn_alloc+0x120/0x120
[  264.758585] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  264.763410]  ? print_usage_bug+0xc0/0xc0
[  264.772215] 266 total pagecache pages
[  264.775999]  ? warn_alloc+0x120/0x120
[  264.784551] 0 pages in swap cache
[  264.788593]  ? warn_alloc+0x120/0x120
[  264.792367] Swap cache stats: add 0, delete 0, find 0/0
[  264.796152]  ? print_usage_bug+0xc0/0xc0
[  264.799591] Free swap  = 0kB
[  264.799594] Total swap = 0kB
[  264.799597] 1965979 pages RAM
[  264.799600] 0 pages HighMem/MovableOnly
[  264.799603] 342854 pages reserved
[  264.799606] 0 pages cma reserved
[  264.799674] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.799716] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.799720] ksoftirqd/0 cpuset=/ mems_allowed=0
[  264.854221]  ? kvm_clock_read+0x18/0x30
[  264.858203]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  264.863216]  ? print_usage_bug+0xc0/0xc0
[  264.867279]  ? __lock_acquire+0x62f/0x4c20
[  264.871513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.877044]  ? should_fail+0x22d/0xd01
[  264.880926]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.886200]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.891302]  ? __lock_acquire+0x62f/0x4c20
[  264.895534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.900632]  ? __lock_acquire+0x62f/0x4c20
[  264.904859]  ? should_fail+0x22d/0xd01
[  264.908738]  ? rcu_irq_exit+0x1a2/0x390
[  264.912728]  ? mark_held_locks+0x130/0x130
[  264.916961]  ? mark_held_locks+0x130/0x130
[  264.921200]  ? mark_held_locks+0xc7/0x130
[  264.925342]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  264.930364]  ? zap_class+0x640/0x640
[  264.934074]  ? print_usage_bug+0xc0/0xc0
[  264.938132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.943665]  ? check_preemption_disabled+0x48/0x280
[  264.948688]  ? __lock_is_held+0xb5/0x140
[  264.952754]  __alloc_pages_nodemask+0xa80/0xde0
[  264.957424]  ? zap_class+0x640/0x640
[  264.961157]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  264.966181]  ? find_held_lock+0x36/0x1c0
[  264.970256]  ? ____cache_alloc_node+0x1c7/0x1e0
[  264.974934]  ? lock_downgrade+0x900/0x900
[  264.979085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.984621]  cache_grow_begin+0xa5/0x8c0
[  264.988675]  ? do_raw_spin_unlock+0xa7/0x330
[  264.993089]  fallback_alloc+0x204/0x2e0
[  264.997062]  ____cache_alloc_node+0x1c7/0x1e0
[  265.001564]  kmem_cache_alloc_node+0xe3/0x730
[  265.006060]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.010300]  __alloc_skb+0x119/0x770
[  265.014008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.019284]  ? netdev_alloc_frag+0x1f0/0x1f0
[  265.023687]  ? lock_downgrade+0x900/0x900
[  265.027835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.033374]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.038825]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.044273]  ? addrconf_rs_timer+0x690/0x690
[  265.048692]  ndisc_alloc_skb+0x144/0x340
[  265.052753]  ndisc_send_rs+0x331/0x6e0
[  265.056648]  addrconf_rs_timer+0x314/0x690
[  265.060881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.065118]  call_timer_fn+0x272/0x920
[  265.068999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.073235]  ? process_timeout+0x40/0x40
[  265.077299]  ? mark_held_locks+0xc7/0x130
[  265.081441]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.085931]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.090421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.094652]  ? lockdep_hardirqs_on+0x296/0x5b0
[  265.099239]  ? trace_hardirqs_on+0xbd/0x310
[  265.103560]  ? kasan_check_read+0x11/0x20
[  265.107701]  ? __run_timers+0x7da/0xc70
[  265.111677]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.116795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.121029]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.125258]  __run_timers+0x7e5/0xc70
[  265.129067]  ? timer_fixup_init+0x70/0x70
[  265.133225]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  265.138255]  ? zap_class+0x640/0x640
[  265.141971]  ? print_usage_bug+0xc0/0xc0
[  265.146031]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  265.151229]  ? find_held_lock+0x36/0x1c0
[  265.155288]  ? zap_class+0x640/0x640
[  265.159011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.164546]  ? check_preemption_disabled+0x48/0x280
[  265.169564]  ? __lock_is_held+0xb5/0x140
[  265.173623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.179157]  ? check_preemption_disabled+0x48/0x280
[  265.184171]  run_timer_softirq+0x52/0xb0
[  265.188232]  ? rcu_read_lock_sched_held+0x14f/0x180
[  265.193248]  __do_softirq+0x308/0xb7e
[  265.197049]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  265.201538]  ? lock_downgrade+0x900/0x900
[  265.205683]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  265.210798]  ? pvclock_read_flags+0x160/0x160
[  265.215288]  ? lapic_next_event+0x5a/0x90
[  265.219431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.224972]  ? kvm_clock_read+0x18/0x30
[  265.228939]  ? kvm_sched_clock_read+0x9/0x20
[  265.233430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.239358]  ? check_preemption_disabled+0x48/0x280
[  265.244376]  irq_exit+0x17f/0x1c0
[  265.247825]  smp_apic_timer_interrupt+0x1cb/0x760
[  265.252668]  ? smp_reschedule_interrupt+0x109/0x650
[  265.257681]  ? smp_call_function_single_interrupt+0x650/0x650
[  265.263559]  ? interrupt_entry+0xb5/0xc0
[  265.267620]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.272631]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.277643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.282478]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.287487]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.292501]  ? task_prio+0x50/0x50
[  265.296037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.301572]  ? check_preemption_disabled+0x48/0x280
[  265.306587]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.311434]  apic_timer_interrupt+0xf/0x20
[  265.315657]  </IRQ>
[  265.317890] RIP: 0010:lock_is_held_type+0x18b/0x210
[  265.322903] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  265.341797] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  265.349502] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  265.356769] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  265.364033] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  265.371299] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  265.378564] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  265.385852]  rcu_read_lock_held+0xa9/0xc0
[  265.389996]  css_next_child+0x2a2/0x620
[  265.393971]  ? cgroup_mount+0xd30/0xd30
[  265.397944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.403479]  ? check_preemption_disabled+0x48/0x280
[  265.408505]  ? __lock_is_held+0xb5/0x140
[  265.412573]  css_next_descendant_pre+0xeb/0x190
[  265.417242]  mem_cgroup_iter+0x42f/0x1160
[  265.421390]  ? kasan_check_write+0x14/0x20
[  265.425628]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  265.430381]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  265.435396]  ? shrink_slab+0xfa/0x8c0
[  265.439189]  ? shrink_active_list+0x1f00/0x1f00
[  265.443870]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  265.449496]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.454600]  ? cgroup_procs_write_finish+0xf0/0xf0
[  265.459530]  ? find_held_lock+0x36/0x1c0
[  265.463588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.469117]  ? vmpressure+0x1a2/0x340
[  265.472920]  shrink_node+0x516/0x16b0
[  265.476719]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  265.482020]  ? shrink_node_memcg+0x18f0/0x18f0
[  265.486600]  ? kvm_clock_read+0x18/0x30
[  265.490570]  ? ktime_get+0x2c1/0x400
[  265.494284]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  265.498775]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  265.504310]  ? __cpuset_node_allowed+0x19b/0x660
[  265.509062]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  265.514781]  ? delayacct_end+0x5a/0x100
[  265.518758]  do_try_to_free_pages+0x3e7/0x1290
[  265.523332]  ? zap_class+0x640/0x640
[  265.527058]  ? shrink_node+0x16b0/0x16b0
[  265.531115]  ? __lock_is_held+0xb5/0x140
[  265.535191]  try_to_free_pages+0x4d0/0xb90
[  265.539438]  ? do_try_to_free_pages+0x1290/0x1290
[  265.544291]  ? lock_acquire+0x1ed/0x520
[  265.548264]  ? set_page_refcounted+0x280/0x280
[  265.552849]  ? lock_release+0xa00/0xa00
[  265.556822]  ? _raw_spin_unlock_irq+0x60/0x80
[  265.561314]  ? psi_memstall_enter+0x240/0x2b0
[  265.565805]  ? psi_memstall_tick+0x230/0x230
[  265.570227]  __alloc_pages_slowpath+0xa14/0x2e10
[  265.575004]  ? warn_alloc+0x120/0x120
[  265.578797]  ? mark_held_locks+0x130/0x130
[  265.583032]  ? find_get_entry+0xaae/0x1120
[  265.587271]  ? filemap_map_pages+0x1a20/0x1a20
[  265.591860]  ? zap_class+0x640/0x640
[  265.595576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.601109]  ? check_preemption_disabled+0x48/0x280
[  265.606120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.611650]  ? should_fail+0x22d/0xd01
[  265.615537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.620636]  ? zap_class+0x640/0x640
[  265.624365]  ? __lock_is_held+0xb5/0x140
[  265.628428]  ? mark_held_locks+0x130/0x130
[  265.632659]  ? lock_release+0xa00/0xa00
[  265.636918]  ? perf_trace_sched_process_exec+0x860/0x860
[  265.642373]  ? xa_load+0x2ba/0x460
[  265.645911]  ? lock_downgrade+0x900/0x900
[  265.650059]  ? __might_sleep+0x95/0x190
[  265.654041]  __alloc_pages_nodemask+0xa80/0xde0
[  265.658719]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  265.663737]  ? __page_cache_alloc+0x191/0x5c0
[  265.668224]  ? xa_load+0x2e1/0x460
[  265.671762]  ? xa_clear_mark+0x40/0x40
[  265.675646]  ? zap_class+0x640/0x640
[  265.679372]  ? zap_class+0x640/0x640
[  265.683079]  ? zap_class+0x640/0x640
[  265.686786]  ? __do_page_cache_readahead+0x663/0x810
[  265.691888]  ? find_held_lock+0x36/0x1c0
[  265.695951]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  265.701488]  alloc_pages_current+0x173/0x350
[  265.705896]  __page_cache_alloc+0x38c/0x5c0
[  265.710209]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.715246]  ? kasan_check_read+0x11/0x20
[  265.719401]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.724677]  ? generic_perform_write+0x6a0/0x6a0
[  265.729431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.734974]  ? check_preemption_disabled+0x48/0x280
[  265.739993]  filemap_fault+0x1595/0x25f0
[  265.744058]  ? __lock_page_or_retry+0xa00/0xa00
[  265.748727]  ? mark_held_locks+0x130/0x130
[  265.752962]  ? filemap_map_pages+0xd6b/0x1a20
[  265.757452]  ? lock_downgrade+0x900/0x900
[  265.761596]  ? check_preemption_disabled+0x48/0x280
[  265.766611]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.771537]  ? kasan_check_read+0x11/0x20
[  265.775680]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.780952]  ? rcu_softirq_qs+0x20/0x20
[  265.784933]  ? filemap_map_pages+0xd92/0x1a20
[  265.789431]  ? print_usage_bug+0xc0/0xc0
[  265.793495]  ? find_get_entries_tag+0x1400/0x1400
[  265.798507]  ? __kasan_slab_free+0x102/0x150
[  265.803376]  ? kasan_slab_free+0xe/0x10
[  265.807344]  ? kmem_cache_free+0x83/0x290
[  265.811486]  ? __sigqueue_free.part.29+0x74/0x90
[  265.816260]  ? lock_acquire+0x1ed/0x520
[  265.820229]  ? ext4_filemap_fault+0x7a/0xad
[  265.824549]  ? lock_release+0xa00/0xa00
[  265.828519]  ? perf_trace_sched_process_exec+0x860/0x860
[  265.833966]  ? print_usage_bug+0xc0/0xc0
[  265.838021]  ? print_usage_bug+0xc0/0xc0
[  265.842088]  ? down_read+0x8d/0x120
[  265.845709]  ? ext4_filemap_fault+0x7a/0xad
[  265.850025]  ? __down_interruptible+0x700/0x700
[  265.854700]  ext4_filemap_fault+0x82/0xad
[  265.858847]  __do_fault+0x100/0x6b0
[  265.862472]  ? pmd_devmap_trans_unstable+0x220/0x220
[  265.867576]  ? mark_held_locks+0x130/0x130
[  265.871805]  ? mark_held_locks+0x130/0x130
[  265.876039]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  265.881572]  ? rcu_pm_notify+0xc0/0xc0
[  265.885460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.890994]  __handle_mm_fault+0x3ea0/0x5be0
[  265.895405]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  265.900240]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.904730]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  265.909307]  ? trace_hardirqs_on+0xbd/0x310
[  265.913619]  ? kasan_check_read+0x11/0x20
[  265.917759]  ? __set_current_blocked+0xdf/0x120
[  265.922426]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.927536]  ? zap_class+0x640/0x640
[  265.931245]  ? zap_class+0x640/0x640
[  265.934962]  ? find_held_lock+0x36/0x1c0
[  265.939029]  ? handle_mm_fault+0x42a/0xc70
[  265.943264]  ? lock_downgrade+0x900/0x900
[  265.947407]  ? check_preemption_disabled+0x48/0x280
[  265.952421]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.957343]  ? kasan_check_read+0x11/0x20
[  265.961486]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.966758]  ? rcu_softirq_qs+0x20/0x20
[  265.970730]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.975831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.981364]  ? check_preemption_disabled+0x48/0x280
[  265.986379]  handle_mm_fault+0x54f/0xc70
[  265.990438]  ? __handle_mm_fault+0x5be0/0x5be0
[  265.995018]  ? find_vma+0x34/0x190
[  265.998559]  __do_page_fault+0x5e8/0xe60
[  266.002615]  ? exit_to_usermode_loop+0x1f4/0x380
[  266.007373]  do_page_fault+0xf2/0x7e0
[  266.011179]  ? vmalloc_sync_all+0x30/0x30
[  266.015321]  ? error_entry+0x70/0xd0
[  266.019031]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.024045]  ? trace_hardirqs_on_caller+0xc0/0x310
[  266.028971]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.033894]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.038734]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.043748]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  266.049299]  ? prepare_exit_to_usermode+0x291/0x3b0
[  266.054307]  ? page_fault+0x8/0x30
[  266.057845]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.062686]  ? page_fault+0x8/0x30
[  266.066221]  page_fault+0x1e/0x30
[  266.069673] RIP: 0033:0x45db60
[  266.072876] Code: Bad RIP value.
[  266.076230] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  266.081583] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  266.088856] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  266.096116] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  266.103383] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  266.110644] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  266.117934] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  266.118003] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.124680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.124685] Call Trace:
[  266.124703]  dump_stack+0x244/0x39d
[  266.124723]  ? dump_stack_print_info.cold.1+0x20/0x20
[  266.131234] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.140539]  warn_alloc.cold.116+0xb7/0x1bd
[  266.143086] syz-fuzzer cpuset=/ mems_allowed=0
[  266.146703]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.175861]  ? lock_downgrade+0x900/0x900
[  266.180013]  ? trace_hardirqs_off+0xb8/0x310
[  266.184425]  ? trace_hardirqs_off+0xb8/0x310
[  266.188837]  __alloc_pages_slowpath+0x26e8/0x2e10
[  266.193700]  ? warn_alloc+0x120/0x120
[  266.197497]  ? print_usage_bug+0xc0/0xc0
[  266.201553]  ? warn_alloc+0x120/0x120
[  266.205353]  ? warn_alloc+0x120/0x120
[  266.209158]  ? print_usage_bug+0xc0/0xc0
[  266.213225]  ? print_usage_bug+0xc0/0xc0
[  266.217283]  ? __lock_acquire+0x62f/0x4c20
[  266.221512]  ? __lock_acquire+0x62f/0x4c20
[  266.225748]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.231282]  ? should_fail+0x22d/0xd01
[  266.235172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.240274]  ? __lock_acquire+0x62f/0x4c20
[  266.244507]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.249607]  ? __lock_acquire+0x62f/0x4c20
[  266.253835]  ? should_fail+0x22d/0xd01
[  266.257716]  ? find_held_lock+0x36/0x1c0
[  266.261783]  ? mark_held_locks+0x130/0x130
[  266.266020]  ? mark_held_locks+0x130/0x130
[  266.270248]  ? zap_class+0x640/0x640
[  266.273966]  ? zap_class+0x640/0x640
[  266.277678]  ? print_usage_bug+0xc0/0xc0
[  266.281753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.287284]  ? check_preemption_disabled+0x48/0x280
[  266.292306]  ? __lock_is_held+0xb5/0x140
[  266.296366]  __alloc_pages_nodemask+0xa80/0xde0
[  266.301027]  ? zap_class+0x640/0x640
[  266.304739]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  266.309767]  ? find_held_lock+0x36/0x1c0
[  266.313833]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.318502]  ? lock_downgrade+0x900/0x900
[  266.322652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.328190]  cache_grow_begin+0xa5/0x8c0
[  266.332246]  ? do_raw_spin_unlock+0xa7/0x330
[  266.336658]  fallback_alloc+0x204/0x2e0
[  266.340640]  ____cache_alloc_node+0x1c7/0x1e0
[  266.345145]  kmem_cache_alloc_node+0xe3/0x730
[  266.349654]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.353896]  __alloc_skb+0x119/0x770
[  266.357608]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.362884]  ? netdev_alloc_frag+0x1f0/0x1f0
[  266.367290]  ? lock_downgrade+0x900/0x900
[  266.371439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.376974]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.382426]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.387875]  ? addrconf_rs_timer+0x690/0x690
[  266.392286]  ndisc_alloc_skb+0x144/0x340
[  266.396344]  ndisc_send_rs+0x331/0x6e0
[  266.400231]  addrconf_rs_timer+0x314/0x690
[  266.404468]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.408709]  call_timer_fn+0x272/0x920
[  266.412592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.416820]  ? process_timeout+0x40/0x40
[  266.420883]  ? __run_timers+0x7da/0xc70
[  266.424851]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.429342]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.433834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.438072]  ? lockdep_hardirqs_on+0x296/0x5b0
[  266.442650]  ? trace_hardirqs_on+0xbd/0x310
[  266.446965]  ? kasan_check_read+0x11/0x20
[  266.451118]  ? __run_timers+0x7da/0xc70
[  266.455094]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.460202]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.464434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.468663]  __run_timers+0x7e5/0xc70
[  266.472469]  ? timer_fixup_init+0x70/0x70
[  266.476613]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.481099]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.485595]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  266.490173]  ? trace_hardirqs_on+0xbd/0x310
[  266.494491]  ? kasan_check_read+0x11/0x20
[  266.498634]  ? finish_task_switch+0x1f4/0x910
[  266.503131]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.508236]  ? compat_start_thread+0x80/0x80
[  266.512660]  ? pvclock_read_flags+0x160/0x160
[  266.517152]  ? __switch_to_asm+0x34/0x70
[  266.521211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.526747]  ? check_preemption_disabled+0x48/0x280
[  266.531776]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  266.537309]  ? rcu_pm_notify+0xc0/0xc0
[  266.541202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.546740]  ? check_preemption_disabled+0x48/0x280
[  266.551755]  run_timer_softirq+0x52/0xb0
[  266.555813]  ? rcu_read_lock_sched_held+0x14f/0x180
[  266.560826]  __do_softirq+0x308/0xb7e
[  266.564629]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  266.569732]  ? smpboot_thread_fn+0x334/0xa00
[  266.574147]  ? schedule+0x108/0x460
[  266.577769]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  266.582527]  ? trace_hardirqs_off+0xb8/0x310
[  266.586928]  ? smpboot_thread_fn+0x68b/0xa00
[  266.591333]  ? trace_hardirqs_on+0x310/0x310
[  266.595736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.601271]  ? check_preemption_disabled+0x48/0x280
[  266.606281]  ? takeover_tasklets+0xa90/0xa90
[  266.610683]  run_ksoftirqd+0x5e/0x100
[  266.614476]  smpboot_thread_fn+0x68b/0xa00
[  266.618708]  ? sort_range+0x30/0x30
[  266.622339]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.627439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.632970]  ? __kthread_parkme+0xfb/0x1a0
[  266.637207]  ? sort_range+0x30/0x30
[  266.640830]  kthread+0x35a/0x440
[  266.644191]  ? kthread_stop+0x900/0x900
[  266.648160]  ret_from_fork+0x3a/0x50
[  266.651885] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  266.651890] warn_alloc_show_mem: 1 callbacks suppressed
[  266.651896] Mem-Info:
[  266.658810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.664175] active_anon:52607 inactive_anon:182 isolated_anon:0
[  266.664175]  active_file:12 inactive_file:11 isolated_file:0
[  266.664175]  unevictable:0 dirty:0 writeback:0 unstable:0
[  266.664175]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  266.664175]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  266.664175]  free:13782 free_pcp:358 free_cma:0
[  266.666550] Call Trace:
[  266.675927] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  266.708762]  <IRQ>
[  266.711328] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  266.738819]  dump_stack+0x244/0x39d
[  266.740938] lowmem_reserve[]: 0 2818 6321 6321
[  266.767036]  ? dump_stack_print_info.cold.1+0x20/0x20
[  266.770632] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  266.775214]  warn_alloc.cold.116+0xb7/0x1bd
[  266.780361] lowmem_reserve[]: 0 0 3503 3503
[  266.808198]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.812493] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  266.816805]  ? lock_downgrade+0x900/0x900
[  266.821611] lowmem_reserve[]: 0 0 0 0
[  266.850852]  ? trace_hardirqs_off+0xb8/0x310
[  266.854967] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  266.858772]  ? trace_hardirqs_off+0xb8/0x310
[  266.863151] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  266.876666]  __alloc_pages_slowpath+0x26e8/0x2e10
[  266.881217] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  266.896420]  ? warn_alloc+0x120/0x120
[  266.901217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  266.916110]  ? print_usage_bug+0xc0/0xc0
[  266.919899] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  266.928722]  ? warn_alloc+0x120/0x120
[  266.932752] 266 total pagecache pages
[  266.941312]  ? warn_alloc+0x120/0x120
[  266.945092] 0 pages in swap cache
[  266.948874]  ? print_usage_bug+0xc0/0xc0
[  266.952652] Swap cache stats: add 0, delete 0, find 0/0
[  266.956097]  ? print_usage_bug+0xc0/0xc0
[  266.960134] Free swap  = 0kB
[  266.965491]  ? __lock_acquire+0x62f/0x4c20
[  266.969519] Total swap = 0kB
[  266.969526] 1965979 pages RAM
[  266.972534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.976732] 0 pages HighMem/MovableOnly
[  266.976739] 342854 pages reserved
[  266.979747]  ? should_fail+0x22d/0xd01
[  266.982821] 0 pages cma reserved
[  266.988348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.992355] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.995734]  ? __lock_acquire+0x62f/0x4c20
[  266.999645] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  267.002958]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.008031] ksoftirqd/0 cpuset=/ mems_allowed=0
[  267.014504]  ? __lock_acquire+0x62f/0x4c20
[  267.014519]  ? should_fail+0x22d/0xd01
[  267.046831]  ? find_held_lock+0x36/0x1c0
[  267.050903]  ? mark_held_locks+0x130/0x130
[  267.055569]  ? mark_held_locks+0x130/0x130
[  267.059804]  ? zap_class+0x640/0x640
[  267.063517]  ? zap_class+0x640/0x640
[  267.067231]  ? print_usage_bug+0xc0/0xc0
[  267.071286]  ? do_raw_spin_unlock+0xa7/0x330
[  267.075689]  ? zap_class+0x640/0x640
[  267.079417]  ? print_usage_bug+0xc0/0xc0
[  267.083470]  ? wq_watchdog_touch+0x9c/0xfe
[  267.087702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.093235]  ? check_preemption_disabled+0x48/0x280
[  267.098253]  ? __lock_is_held+0xb5/0x140
[  267.102314]  __alloc_pages_nodemask+0xa80/0xde0
[  267.106976]  ? zap_class+0x640/0x640
[  267.110689]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  267.115710]  ? find_held_lock+0x36/0x1c0
[  267.119775]  ? ____cache_alloc_node+0x1c7/0x1e0
[  267.124442]  ? lock_downgrade+0x900/0x900
[  267.128595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.134220]  cache_grow_begin+0xa5/0x8c0
[  267.138278]  ? do_raw_spin_unlock+0xa7/0x330
[  267.142690]  fallback_alloc+0x204/0x2e0
[  267.146666]  ____cache_alloc_node+0x1c7/0x1e0
[  267.151164]  kmem_cache_alloc_node+0xe3/0x730
[  267.155654]  ? ipv6_get_ifaddr+0x42e/0x620
[  267.159889]  __alloc_skb+0x119/0x770
[  267.163599]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.168873]  ? netdev_alloc_frag+0x1f0/0x1f0
[  267.173278]  ? lock_downgrade+0x900/0x900
[  267.177428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.182958]  ? refcount_sub_and_test_checked+0x203/0x310
[  267.188404]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  267.193847]  ? addrconf_rs_timer+0x690/0x690
[  267.198263]  ndisc_alloc_skb+0x144/0x340
[  267.202321]  ndisc_send_rs+0x331/0x6e0
[  267.206206]  addrconf_rs_timer+0x314/0x690
[  267.210444]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.214686]  call_timer_fn+0x272/0x920
[  267.218567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.222799]  ? process_timeout+0x40/0x40
[  267.226866]  ? mark_held_locks+0xc7/0x130
[  267.231011]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.235505]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.239992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.244225]  ? lockdep_hardirqs_on+0x296/0x5b0
[  267.248802]  ? trace_hardirqs_on+0xbd/0x310
[  267.253205]  ? kasan_check_read+0x11/0x20
[  267.257346]  ? __run_timers+0x7da/0xc70
[  267.261329]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.266433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.270675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.274906]  __run_timers+0x7e5/0xc70
[  267.278720]  ? timer_fixup_init+0x70/0x70
[  267.282864]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.287874]  ? zap_class+0x640/0x640
[  267.291592]  ? print_usage_bug+0xc0/0xc0
[  267.295648]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  267.300843]  ? find_held_lock+0x36/0x1c0
[  267.304901]  ? zap_class+0x640/0x640
[  267.308616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.314147]  ? check_preemption_disabled+0x48/0x280
[  267.319168]  ? __lock_is_held+0xb5/0x140
[  267.323225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.328755]  ? check_preemption_disabled+0x48/0x280
[  267.333770]  run_timer_softirq+0x52/0xb0
[  267.337832]  ? rcu_read_lock_sched_held+0x14f/0x180
[  267.342841]  __do_softirq+0x308/0xb7e
[  267.346648]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  267.351137]  ? lock_downgrade+0x900/0x900
[  267.355283]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  267.360388]  ? pvclock_read_flags+0x160/0x160
[  267.364878]  ? lapic_next_event+0x5a/0x90
[  267.369036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.374579]  ? kvm_clock_read+0x18/0x30
[  267.378549]  ? kvm_sched_clock_read+0x9/0x20
[  267.382956]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.388487]  ? check_preemption_disabled+0x48/0x280
[  267.393507]  irq_exit+0x17f/0x1c0
[  267.396959]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.401793]  ? smp_reschedule_interrupt+0x109/0x650
[  267.406811]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.412693]  ? interrupt_entry+0xb5/0xc0
[  267.416750]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.421763]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.426865]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.431703]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.436713]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.441726]  ? task_prio+0x50/0x50
[  267.445267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.450799]  ? check_preemption_disabled+0x48/0x280
[  267.455820]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.460668]  apic_timer_interrupt+0xf/0x20
[  267.464893]  </IRQ>
[  267.467129] RIP: 0010:lock_is_held_type+0x18b/0x210
[  267.472142] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  267.491207] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  267.498907] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  267.506169] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  267.513431] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  267.520694] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  267.527955] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  267.535244]  rcu_read_lock_held+0xa9/0xc0
[  267.539386]  css_next_child+0x2a2/0x620
[  267.543367]  ? cgroup_mount+0xd30/0xd30
[  267.547343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.552875]  ? check_preemption_disabled+0x48/0x280
[  267.557892]  ? __lock_is_held+0xb5/0x140
[  267.561963]  css_next_descendant_pre+0xeb/0x190
[  267.566629]  mem_cgroup_iter+0x42f/0x1160
[  267.570774]  ? kasan_check_write+0x14/0x20
[  267.575009]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  267.579765]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.584785]  ? shrink_slab+0xfa/0x8c0
[  267.588579]  ? shrink_active_list+0x1f00/0x1f00
[  267.593251]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  267.598871]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.603974]  ? cgroup_procs_write_finish+0xf0/0xf0
[  267.608903]  ? find_held_lock+0x36/0x1c0
[  267.612962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.618491]  ? vmpressure+0x1a2/0x340
[  267.622290]  shrink_node+0x516/0x16b0
[  267.626089]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  267.631381]  ? shrink_node_memcg+0x18f0/0x18f0
[  267.636251]  ? kvm_clock_read+0x18/0x30
[  267.640221]  ? ktime_get+0x2c1/0x400
[  267.643936]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  267.648428]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  267.653960]  ? __cpuset_node_allowed+0x19b/0x660
[  267.658710]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  267.664415]  ? delayacct_end+0x5a/0x100
[  267.668393]  do_try_to_free_pages+0x3e7/0x1290
[  267.672969]  ? zap_class+0x640/0x640
[  267.676691]  ? shrink_node+0x16b0/0x16b0
[  267.680747]  ? __lock_is_held+0xb5/0x140
[  267.684822]  try_to_free_pages+0x4d0/0xb90
[  267.689056]  ? do_try_to_free_pages+0x1290/0x1290
[  267.693907]  ? lock_acquire+0x1ed/0x520
[  267.697877]  ? set_page_refcounted+0x280/0x280
[  267.702457]  ? lock_release+0xa00/0xa00
[  267.706428]  ? _raw_spin_unlock_irq+0x60/0x80
[  267.710915]  ? psi_memstall_enter+0x240/0x2b0
[  267.715403]  ? psi_memstall_tick+0x230/0x230
[  267.719815]  __alloc_pages_slowpath+0xa14/0x2e10
[  267.724591]  ? warn_alloc+0x120/0x120
[  267.728384]  ? mark_held_locks+0x130/0x130
[  267.732622]  ? find_get_entry+0xaae/0x1120
[  267.736860]  ? filemap_map_pages+0x1a20/0x1a20
[  267.741441]  ? zap_class+0x640/0x640
[  267.745159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.750693]  ? check_preemption_disabled+0x48/0x280
[  267.755703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.761234]  ? should_fail+0x22d/0xd01
[  267.765123]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.770220]  ? zap_class+0x640/0x640
[  267.773951]  ? __lock_is_held+0xb5/0x140
[  267.778022]  ? mark_held_locks+0x130/0x130
[  267.782258]  ? lock_release+0xa00/0xa00
[  267.786228]  ? perf_trace_sched_process_exec+0x860/0x860
[  267.791678]  ? xa_load+0x2ba/0x460
[  267.795219]  ? lock_downgrade+0x900/0x900
[  267.799411]  ? __might_sleep+0x95/0x190
[  267.803911]  __alloc_pages_nodemask+0xa80/0xde0
[  267.808585]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  267.813601]  ? __page_cache_alloc+0x191/0x5c0
[  267.818095]  ? xa_load+0x2e1/0x460
[  267.821635]  ? xa_clear_mark+0x40/0x40
[  267.825518]  ? zap_class+0x640/0x640
[  267.829240]  ? zap_class+0x640/0x640
[  267.832949]  ? zap_class+0x640/0x640
[  267.836658]  ? __do_page_cache_readahead+0x663/0x810
[  267.841758]  ? find_held_lock+0x36/0x1c0
[  267.845823]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  267.851358]  alloc_pages_current+0x173/0x350
[  267.855765]  __page_cache_alloc+0x38c/0x5c0
[  267.860083]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.865014]  ? kasan_check_read+0x11/0x20
[  267.869157]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.874430]  ? generic_perform_write+0x6a0/0x6a0
[  267.879184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.884715]  ? check_preemption_disabled+0x48/0x280
[  267.889733]  filemap_fault+0x1595/0x25f0
[  267.893798]  ? __lock_page_or_retry+0xa00/0xa00
[  267.898464]  ? mark_held_locks+0x130/0x130
[  267.902700]  ? filemap_map_pages+0xd6b/0x1a20
[  267.907189]  ? lock_downgrade+0x900/0x900
[  267.911331]  ? check_preemption_disabled+0x48/0x280
[  267.918168]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.923088]  ? kasan_check_read+0x11/0x20
[  267.927228]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.932496]  ? rcu_softirq_qs+0x20/0x20
[  267.936478]  ? filemap_map_pages+0xd92/0x1a20
[  267.940972]  ? print_usage_bug+0xc0/0xc0
[  267.945043]  ? find_get_entries_tag+0x1400/0x1400
[  267.949879]  ? __kasan_slab_free+0x102/0x150
[  267.954282]  ? kasan_slab_free+0xe/0x10
[  267.958249]  ? kmem_cache_free+0x83/0x290
[  267.962391]  ? __sigqueue_free.part.29+0x74/0x90
[  267.967171]  ? lock_acquire+0x1ed/0x520
[  267.971139]  ? ext4_filemap_fault+0x7a/0xad
[  267.975461]  ? lock_release+0xa00/0xa00
[  267.979431]  ? perf_trace_sched_process_exec+0x860/0x860
[  267.984878]  ? print_usage_bug+0xc0/0xc0
[  267.988934]  ? print_usage_bug+0xc0/0xc0
[  267.993008]  ? down_read+0x8d/0x120
[  267.996630]  ? ext4_filemap_fault+0x7a/0xad
[  268.000947]  ? __down_interruptible+0x700/0x700
[  268.005628]  ext4_filemap_fault+0x82/0xad
[  268.009771]  __do_fault+0x100/0x6b0
[  268.013398]  ? pmd_devmap_trans_unstable+0x220/0x220
[  268.018501]  ? mark_held_locks+0x130/0x130
[  268.022740]  ? mark_held_locks+0x130/0x130
[  268.026979]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  268.032519]  ? rcu_pm_notify+0xc0/0xc0
[  268.036412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.041949]  __handle_mm_fault+0x3ea0/0x5be0
[  268.046374]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  268.051211]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.055702]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  268.060282]  ? trace_hardirqs_on+0xbd/0x310
[  268.064596]  ? kasan_check_read+0x11/0x20
[  268.068741]  ? __set_current_blocked+0xdf/0x120
[  268.073406]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.078528]  ? zap_class+0x640/0x640
[  268.082235]  ? zap_class+0x640/0x640
[  268.085949]  ? find_held_lock+0x36/0x1c0
[  268.090022]  ? handle_mm_fault+0x42a/0xc70
[  268.094254]  ? lock_downgrade+0x900/0x900
[  268.098397]  ? check_preemption_disabled+0x48/0x280
[  268.103408]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.108333]  ? kasan_check_read+0x11/0x20
[  268.112472]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.117752]  ? rcu_softirq_qs+0x20/0x20
[  268.121720]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.126819]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.132350]  ? check_preemption_disabled+0x48/0x280
[  268.137467]  handle_mm_fault+0x54f/0xc70
[  268.141542]  ? __handle_mm_fault+0x5be0/0x5be0
[  268.146120]  ? find_vma+0x34/0x190
[  268.149661]  __do_page_fault+0x5e8/0xe60
[  268.153716]  ? exit_to_usermode_loop+0x1f4/0x380
[  268.158473]  do_page_fault+0xf2/0x7e0
[  268.162274]  ? vmalloc_sync_all+0x30/0x30
[  268.166414]  ? error_entry+0x70/0xd0
[  268.170127]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.175136]  ? trace_hardirqs_on_caller+0xc0/0x310
[  268.180057]  ? syscall_return_slowpath+0x5e0/0x5e0
[  268.184988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.189829]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.194842]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.200290]  ? prepare_exit_to_usermode+0x291/0x3b0
[  268.205300]  ? page_fault+0x8/0x30
[  268.208835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.213674]  ? page_fault+0x8/0x30
[  268.217210]  page_fault+0x1e/0x30
[  268.220657] RIP: 0033:0x45db60
[  268.223858] Code: Bad RIP value.
[  268.227213] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  268.232573] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  268.239834] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  268.247094] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  268.254359] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  268.261619] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  268.268903] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  268.268973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.275649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.275654] Call Trace:
[  268.275671]  dump_stack+0x244/0x39d
[  268.275691]  ? dump_stack_print_info.cold.1+0x20/0x20
[  268.282227] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.291593]  warn_alloc.cold.116+0xb7/0x1bd
[  268.294141] syz-fuzzer cpuset=/ mems_allowed=0
[  268.297755]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.326841]  ? lock_downgrade+0x900/0x900
[  268.330999]  ? trace_hardirqs_off+0xb8/0x310
[  268.335406]  ? trace_hardirqs_off+0xb8/0x310
[  268.339817]  __alloc_pages_slowpath+0x26e8/0x2e10
[  268.344679]  ? warn_alloc+0x120/0x120
[  268.348474]  ? print_usage_bug+0xc0/0xc0
[  268.352533]  ? warn_alloc+0x120/0x120
[  268.356340]  ? warn_alloc+0x120/0x120
[  268.360133]  ? print_usage_bug+0xc0/0xc0
[  268.364193]  ? print_usage_bug+0xc0/0xc0
[  268.368251]  ? __lock_acquire+0x62f/0x4c20
[  268.372484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.378019]  ? should_fail+0x22d/0xd01
[  268.381908]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.387007]  ? __lock_acquire+0x62f/0x4c20
[  268.391242]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.396339]  ? __lock_acquire+0x62f/0x4c20
[  268.400566]  ? should_fail+0x22d/0xd01
[  268.404451]  ? find_held_lock+0x36/0x1c0
[  268.408517]  ? mark_held_locks+0x130/0x130
[  268.412752]  ? mark_held_locks+0x130/0x130
[  268.416990]  ? zap_class+0x640/0x640
[  268.420700]  ? zap_class+0x640/0x640
[  268.424407]  ? print_usage_bug+0xc0/0xc0
[  268.428464]  ? do_raw_spin_unlock+0xa7/0x330
[  268.432871]  ? zap_class+0x640/0x640
[  268.436582]  ? print_usage_bug+0xc0/0xc0
[  268.440636]  ? wq_watchdog_touch+0x9c/0xfe
[  268.444869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.450401]  ? check_preemption_disabled+0x48/0x280
[  268.455419]  ? __lock_is_held+0xb5/0x140
[  268.459479]  __alloc_pages_nodemask+0xa80/0xde0
[  268.464140]  ? zap_class+0x640/0x640
[  268.467854]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  268.472877]  ? find_held_lock+0x36/0x1c0
[  268.476949]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.481627]  ? lock_downgrade+0x900/0x900
[  268.485774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.491309]  cache_grow_begin+0xa5/0x8c0
[  268.495364]  ? do_raw_spin_unlock+0xa7/0x330
[  268.499774]  fallback_alloc+0x204/0x2e0
[  268.503747]  ____cache_alloc_node+0x1c7/0x1e0
[  268.508242]  kmem_cache_alloc_node+0xe3/0x730
[  268.512732]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.516980]  __alloc_skb+0x119/0x770
[  268.520688]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.525975]  ? netdev_alloc_frag+0x1f0/0x1f0
[  268.530383]  ? lock_downgrade+0x900/0x900
[  268.534532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.540065]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.545511]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.550967]  ? addrconf_rs_timer+0x690/0x690
[  268.555379]  ndisc_alloc_skb+0x144/0x340
[  268.559441]  ndisc_send_rs+0x331/0x6e0
[  268.563332]  addrconf_rs_timer+0x314/0x690
[  268.567569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.571807]  call_timer_fn+0x272/0x920
[  268.575685]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.579913]  ? process_timeout+0x40/0x40
[  268.583989]  ? __run_timers+0x7da/0xc70
[  268.587974]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.592459]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.596956]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.601192]  ? lockdep_hardirqs_on+0x296/0x5b0
[  268.605787]  ? trace_hardirqs_on+0xbd/0x310
[  268.610105]  ? kasan_check_read+0x11/0x20
[  268.614245]  ? __run_timers+0x7da/0xc70
[  268.618215]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.623322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.627559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.631787]  __run_timers+0x7e5/0xc70
[  268.636029]  ? timer_fixup_init+0x70/0x70
[  268.640174]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.644666]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.649155]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  268.653731]  ? trace_hardirqs_on+0xbd/0x310
[  268.658048]  ? kasan_check_read+0x11/0x20
[  268.662194]  ? finish_task_switch+0x1f4/0x910
[  268.666687]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.671783]  ? compat_start_thread+0x80/0x80
[  268.676203]  ? pvclock_read_flags+0x160/0x160
[  268.680689]  ? __switch_to_asm+0x34/0x70
[  268.684748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.690285]  ? check_preemption_disabled+0x48/0x280
[  268.695306]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  268.700837]  ? rcu_pm_notify+0xc0/0xc0
[  268.704722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.710260]  ? check_preemption_disabled+0x48/0x280
[  268.715279]  run_timer_softirq+0x52/0xb0
[  268.719338]  ? rcu_read_lock_sched_held+0x14f/0x180
[  268.724348]  __do_softirq+0x308/0xb7e
[  268.728157]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  268.733257]  ? smpboot_thread_fn+0x334/0xa00
[  268.737666]  ? schedule+0x108/0x460
[  268.741286]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.746051]  ? trace_hardirqs_off+0xb8/0x310
[  268.750452]  ? smpboot_thread_fn+0x68b/0xa00
[  268.754858]  ? trace_hardirqs_on+0x310/0x310
[  268.759264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.764795]  ? check_preemption_disabled+0x48/0x280
[  268.769805]  ? takeover_tasklets+0xa90/0xa90
[  268.774212]  run_ksoftirqd+0x5e/0x100
[  268.778008]  smpboot_thread_fn+0x68b/0xa00
[  268.782243]  ? sort_range+0x30/0x30
[  268.785865]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.790968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.796505]  ? __kthread_parkme+0xfb/0x1a0
[  268.800736]  ? sort_range+0x30/0x30
[  268.804365]  kthread+0x35a/0x440
[  268.807850]  ? kthread_stop+0x900/0x900
[  268.811819]  ret_from_fork+0x3a/0x50
[  268.815541] warn_alloc_show_mem: 1 callbacks suppressed
[  268.815551] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  268.815553] Mem-Info:
[  268.815583] active_anon:52607 inactive_anon:182 isolated_anon:0
[  268.815583]  active_file:12 inactive_file:11 isolated_file:0
[  268.815583]  unevictable:0 dirty:0 writeback:0 unstable:0
[  268.815583]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  268.815583]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  268.815583]  free:13782 free_pcp:358 free_cma:0
[  268.820921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.827844] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  268.830236] Call Trace:
[  268.863110] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  268.872454]  <IRQ>
[  268.899926] lowmem_reserve[]: 0 2818 6321 6321
[  268.902502]  dump_stack+0x244/0x39d
[  268.928588] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  268.930732]  ? dump_stack_print_info.cold.1+0x20/0x20
[  268.935283] lowmem_reserve[]: 0 0 3503 3503
[  268.938915]  warn_alloc.cold.116+0xb7/0x1bd
[  268.966546] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  268.971727]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.976017] lowmem_reserve[]: 0 0 0 0
[  268.980330]  ? lock_downgrade+0x900/0x900
[  269.009280] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  269.014119]  ? trace_hardirqs_off+0xb8/0x310
[  269.017883] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  269.022039]  ? trace_hardirqs_off+0xb8/0x310
[  269.035524] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  269.039946]  __alloc_pages_slowpath+0x26e8/0x2e10
[  269.055090] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  269.059503]  ? warn_alloc+0x120/0x120
[  269.074370] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  269.079197]  ? print_usage_bug+0xc0/0xc0
[  269.088005] 266 total pagecache pages
[  269.091790]  ? warn_alloc+0x120/0x120
[  269.100342] 0 pages in swap cache
[  269.104388]  ? warn_alloc+0x120/0x120
[  269.108161] Swap cache stats: add 0, delete 0, find 0/0
[  269.111948]  ? print_usage_bug+0xc0/0xc0
[  269.115373] Free swap  = 0kB
[  269.119162]  ? kvm_clock_read+0x18/0x30
[  269.124496] Total swap = 0kB
[  269.128633]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  269.131621] 1965979 pages RAM
[  269.135584]  ? print_usage_bug+0xc0/0xc0
[  269.138569] 0 pages HighMem/MovableOnly
[  269.138576] 342854 pages reserved
[  269.144360]  ? __lock_acquire+0x62f/0x4c20
[  269.147434] 0 pages cma reserved
[  269.152870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.156884] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.160259]  ? should_fail+0x22d/0xd01
[  269.164539] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.167816]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.173323] ksoftirqd/0 cpuset=/ mems_allowed=0
[  269.179801]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.208956]  ? __lock_acquire+0x62f/0x4c20
[  269.213194]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.218288]  ? __lock_acquire+0x62f/0x4c20
[  269.222517]  ? should_fail+0x22d/0xd01
[  269.226395]  ? rcu_irq_exit+0x1a2/0x390
[  269.230375]  ? mark_held_locks+0x130/0x130
[  269.234614]  ? mark_held_locks+0x130/0x130
[  269.238851]  ? mark_held_locks+0xc7/0x130
[  269.243087]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  269.248286]  ? zap_class+0x640/0x640
[  269.251993]  ? print_usage_bug+0xc0/0xc0
[  269.256059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.261592]  ? check_preemption_disabled+0x48/0x280
[  269.266610]  ? __lock_is_held+0xb5/0x140
[  269.270671]  __alloc_pages_nodemask+0xa80/0xde0
[  269.275332]  ? zap_class+0x640/0x640
[  269.279049]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  269.284067]  ? find_held_lock+0x36/0x1c0
[  269.288137]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.292801]  ? lock_downgrade+0x900/0x900
[  269.296949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.302482]  cache_grow_begin+0xa5/0x8c0
[  269.306545]  ? do_raw_spin_unlock+0xa7/0x330
[  269.310955]  fallback_alloc+0x204/0x2e0
[  269.314931]  ____cache_alloc_node+0x1c7/0x1e0
[  269.319427]  kmem_cache_alloc_node+0xe3/0x730
[  269.323931]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.328182]  __alloc_skb+0x119/0x770
[  269.331902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.337177]  ? netdev_alloc_frag+0x1f0/0x1f0
[  269.341578]  ? lock_downgrade+0x900/0x900
[  269.345727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.351260]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.356707]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.362153]  ? addrconf_rs_timer+0x690/0x690
[  269.366577]  ndisc_alloc_skb+0x144/0x340
[  269.370639]  ndisc_send_rs+0x331/0x6e0
[  269.374525]  addrconf_rs_timer+0x314/0x690
[  269.378759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.382995]  call_timer_fn+0x272/0x920
[  269.386882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.391113]  ? process_timeout+0x40/0x40
[  269.395178]  ? mark_held_locks+0xc7/0x130
[  269.399322]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.403812]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.408302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.412534]  ? lockdep_hardirqs_on+0x296/0x5b0
[  269.417200]  ? trace_hardirqs_on+0xbd/0x310
[  269.421535]  ? kasan_check_read+0x11/0x20
[  269.425676]  ? __run_timers+0x7da/0xc70
[  269.429648]  ? trace_hardirqs_off_caller+0x310/0x310
[  269.434756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.438993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.443220]  __run_timers+0x7e5/0xc70
[  269.447023]  ? timer_fixup_init+0x70/0x70
[  269.451177]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.456188]  ? zap_class+0x640/0x640
[  269.459905]  ? print_usage_bug+0xc0/0xc0
[  269.463962]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.469151]  ? find_held_lock+0x36/0x1c0
[  269.473210]  ? zap_class+0x640/0x640
[  269.476922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.482468]  ? check_preemption_disabled+0x48/0x280
[  269.487492]  ? __lock_is_held+0xb5/0x140
[  269.491547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.497080]  ? check_preemption_disabled+0x48/0x280
[  269.502095]  run_timer_softirq+0x52/0xb0
[  269.506153]  ? rcu_read_lock_sched_held+0x14f/0x180
[  269.511167]  __do_softirq+0x308/0xb7e
[  269.514963]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  269.519450]  ? lock_downgrade+0x900/0x900
[  269.523595]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  269.528698]  ? pvclock_read_flags+0x160/0x160
[  269.533194]  ? lapic_next_event+0x5a/0x90
[  269.537341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.542882]  ? kvm_clock_read+0x18/0x30
[  269.546856]  ? kvm_sched_clock_read+0x9/0x20
[  269.551264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.556796]  ? check_preemption_disabled+0x48/0x280
[  269.561817]  irq_exit+0x17f/0x1c0
[  269.565271]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.570110]  ? smp_reschedule_interrupt+0x109/0x650
[  269.575125]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.581004]  ? interrupt_entry+0xb5/0xc0
[  269.585066]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.590073]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.595175]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.600015]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.605022]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.610033]  ? task_prio+0x50/0x50
[  269.613569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.619102]  ? check_preemption_disabled+0x48/0x280
[  269.624121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.628969]  apic_timer_interrupt+0xf/0x20
[  269.633193]  </IRQ>
[  269.635680] RIP: 0010:lock_is_held_type+0x18b/0x210
[  269.640696] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  269.659588] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  269.667287] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  269.674553] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  269.681819] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  269.689094] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  269.696357] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  269.703657]  rcu_read_lock_held+0xa9/0xc0
[  269.707803]  css_next_child+0x2a2/0x620
[  269.711787]  ? cgroup_mount+0xd30/0xd30
[  269.715759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.721293]  ? check_preemption_disabled+0x48/0x280
[  269.726315]  ? __lock_is_held+0xb5/0x140
[  269.730388]  css_next_descendant_pre+0xeb/0x190
[  269.735055]  mem_cgroup_iter+0x42f/0x1160
[  269.739199]  ? kasan_check_write+0x14/0x20
[  269.743439]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  269.748189]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.753203]  ? shrink_slab+0xfa/0x8c0
[  269.757002]  ? shrink_active_list+0x1f00/0x1f00
[  269.761672]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  269.767290]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  269.772394]  ? cgroup_procs_write_finish+0xf0/0xf0
[  269.777325]  ? find_held_lock+0x36/0x1c0
[  269.781385]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.786917]  ? vmpressure+0x1a2/0x340
[  269.790714]  shrink_node+0x516/0x16b0
[  269.794509]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  269.799802]  ? shrink_node_memcg+0x18f0/0x18f0
[  269.804873]  ? kvm_clock_read+0x18/0x30
[  269.808854]  ? ktime_get+0x2c1/0x400
[  269.812565]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  269.817059]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.822591]  ? __cpuset_node_allowed+0x19b/0x660
[  269.827347]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  269.833056]  ? delayacct_end+0x5a/0x100
[  269.837035]  do_try_to_free_pages+0x3e7/0x1290
[  269.841615]  ? zap_class+0x640/0x640
[  269.845339]  ? shrink_node+0x16b0/0x16b0
[  269.849401]  ? __lock_is_held+0xb5/0x140
[  269.853469]  try_to_free_pages+0x4d0/0xb90
[  269.857703]  ? do_try_to_free_pages+0x1290/0x1290
[  269.862551]  ? lock_acquire+0x1ed/0x520
[  269.866517]  ? set_page_refcounted+0x280/0x280
[  269.871104]  ? lock_release+0xa00/0xa00
[  269.875074]  ? _raw_spin_unlock_irq+0x60/0x80
[  269.879564]  ? psi_memstall_enter+0x240/0x2b0
[  269.884057]  ? psi_memstall_tick+0x230/0x230
[  269.888472]  __alloc_pages_slowpath+0xa14/0x2e10
[  269.893251]  ? warn_alloc+0x120/0x120
[  269.897049]  ? mark_held_locks+0x130/0x130
[  269.901284]  ? find_get_entry+0xaae/0x1120
[  269.905520]  ? filemap_map_pages+0x1a20/0x1a20
[  269.910108]  ? zap_class+0x640/0x640
[  269.913833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.919370]  ? check_preemption_disabled+0x48/0x280
[  269.924381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.929917]  ? should_fail+0x22d/0xd01
[  269.933802]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.938907]  ? zap_class+0x640/0x640
[  269.942635]  ? __lock_is_held+0xb5/0x140
[  269.946702]  ? mark_held_locks+0x130/0x130
[  269.950933]  ? lock_release+0xa00/0xa00
[  269.954919]  ? perf_trace_sched_process_exec+0x860/0x860
[  269.960366]  ? xa_load+0x2ba/0x460
[  269.963921]  ? lock_downgrade+0x900/0x900
[  269.968066]  ? __might_sleep+0x95/0x190
[  269.972059]  __alloc_pages_nodemask+0xa80/0xde0
[  269.976729]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  269.981742]  ? __page_cache_alloc+0x191/0x5c0
[  269.986229]  ? xa_load+0x2e1/0x460
[  269.989763]  ? xa_clear_mark+0x40/0x40
[  269.993645]  ? zap_class+0x640/0x640
[  269.997364]  ? zap_class+0x640/0x640
[  270.001069]  ? zap_class+0x640/0x640
[  270.004775]  ? __do_page_cache_readahead+0x663/0x810
[  270.009900]  ? find_held_lock+0x36/0x1c0
[  270.013972]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  270.019508]  alloc_pages_current+0x173/0x350
[  270.023919]  __page_cache_alloc+0x38c/0x5c0
[  270.028234]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.033161]  ? kasan_check_read+0x11/0x20
[  270.037301]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.042585]  ? generic_perform_write+0x6a0/0x6a0
[  270.047344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.052879]  ? check_preemption_disabled+0x48/0x280
[  270.057896]  filemap_fault+0x1595/0x25f0
[  270.061962]  ? __lock_page_or_retry+0xa00/0xa00
[  270.066626]  ? mark_held_locks+0x130/0x130
[  270.070868]  ? filemap_map_pages+0xd6b/0x1a20
[  270.075361]  ? lock_downgrade+0x900/0x900
[  270.079503]  ? check_preemption_disabled+0x48/0x280
[  270.084515]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.089435]  ? kasan_check_read+0x11/0x20
[  270.093575]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.098846]  ? rcu_softirq_qs+0x20/0x20
[  270.102835]  ? filemap_map_pages+0xd92/0x1a20
[  270.107337]  ? print_usage_bug+0xc0/0xc0
[  270.111402]  ? find_get_entries_tag+0x1400/0x1400
[  270.116239]  ? __kasan_slab_free+0x102/0x150
[  270.120639]  ? kasan_slab_free+0xe/0x10
[  270.124604]  ? kmem_cache_free+0x83/0x290
[  270.128745]  ? __sigqueue_free.part.29+0x74/0x90
[  270.133510]  ? lock_acquire+0x1ed/0x520
[  270.137477]  ? ext4_filemap_fault+0x7a/0xad
[  270.141806]  ? lock_release+0xa00/0xa00
[  270.145774]  ? perf_trace_sched_process_exec+0x860/0x860
[  270.151236]  ? print_usage_bug+0xc0/0xc0
[  270.155293]  ? print_usage_bug+0xc0/0xc0
[  270.159367]  ? down_read+0x8d/0x120
[  270.162990]  ? ext4_filemap_fault+0x7a/0xad
[  270.167309]  ? __down_interruptible+0x700/0x700
[  270.171989]  ext4_filemap_fault+0x82/0xad
[  270.176220]  __do_fault+0x100/0x6b0
[  270.179845]  ? pmd_devmap_trans_unstable+0x220/0x220
[  270.184948]  ? mark_held_locks+0x130/0x130
[  270.189199]  ? mark_held_locks+0x130/0x130
[  270.193433]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  270.198968]  ? rcu_pm_notify+0xc0/0xc0
[  270.202854]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.208390]  __handle_mm_fault+0x3ea0/0x5be0
[  270.212808]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  270.217643]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.222138]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  270.226715]  ? trace_hardirqs_on+0xbd/0x310
[  270.231035]  ? kasan_check_read+0x11/0x20
[  270.235176]  ? __set_current_blocked+0xdf/0x120
[  270.239842]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.244954]  ? zap_class+0x640/0x640
[  270.248673]  ? zap_class+0x640/0x640
[  270.252389]  ? find_held_lock+0x36/0x1c0
[  270.256451]  ? handle_mm_fault+0x42a/0xc70
[  270.260684]  ? lock_downgrade+0x900/0x900
[  270.264829]  ? check_preemption_disabled+0x48/0x280
[  270.269852]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.274774]  ? kasan_check_read+0x11/0x20
[  270.278923]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.284196]  ? rcu_softirq_qs+0x20/0x20
[  270.288166]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.293262]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.298800]  ? check_preemption_disabled+0x48/0x280
[  270.303820]  handle_mm_fault+0x54f/0xc70
[  270.307882]  ? __handle_mm_fault+0x5be0/0x5be0
[  270.312461]  ? find_vma+0x34/0x190
[  270.316001]  __do_page_fault+0x5e8/0xe60
[  270.320060]  ? exit_to_usermode_loop+0x1f4/0x380
[  270.324821]  do_page_fault+0xf2/0x7e0
[  270.328637]  ? vmalloc_sync_all+0x30/0x30
[  270.332797]  ? error_entry+0x70/0xd0
[  270.336518]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.341527]  ? trace_hardirqs_on_caller+0xc0/0x310
[  270.346453]  ? syscall_return_slowpath+0x5e0/0x5e0
[  270.351377]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.356213]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.361221]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.366668]  ? prepare_exit_to_usermode+0x291/0x3b0
[  270.371678]  ? page_fault+0x8/0x30
[  270.375302]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.380147]  ? page_fault+0x8/0x30
[  270.383679]  page_fault+0x1e/0x30
[  270.387137] RIP: 0033:0x45db60
[  270.390341] Code: Bad RIP value.
[  270.393696] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  270.399050] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  270.406317] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  270.413578] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  270.420840] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  270.428107] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  270.435395] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  270.435457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  270.442141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.442146] Call Trace:
[  270.442163]  dump_stack+0x244/0x39d
[  270.442182]  ? dump_stack_print_info.cold.1+0x20/0x20
[  270.448694] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  270.457998]  warn_alloc.cold.116+0xb7/0x1bd
[  270.460566] syz-fuzzer cpuset=/ mems_allowed=0
[  270.464192]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.493260]  ? lock_downgrade+0x900/0x900
[  270.497407]  ? trace_hardirqs_off+0xb8/0x310
[  270.501821]  ? trace_hardirqs_off+0xb8/0x310
[  270.506232]  __alloc_pages_slowpath+0x26e8/0x2e10
[  270.511097]  ? warn_alloc+0x120/0x120
[  270.514901]  ? print_usage_bug+0xc0/0xc0
[  270.518958]  ? warn_alloc+0x120/0x120
[  270.522774]  ? warn_alloc+0x120/0x120
[  270.526575]  ? print_usage_bug+0xc0/0xc0
[  270.530634]  ? print_usage_bug+0xc0/0xc0
[  270.534690]  ? __lock_acquire+0x62f/0x4c20
[  270.538925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.544454]  ? should_fail+0x22d/0xd01
[  270.548342]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.553441]  ? __lock_acquire+0x62f/0x4c20
[  270.557677]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.562778]  ? __lock_acquire+0x62f/0x4c20
[  270.567013]  ? should_fail+0x22d/0xd01
[  270.570899]  ? find_held_lock+0x36/0x1c0
[  270.574962]  ? mark_held_locks+0x130/0x130
[  270.579200]  ? mark_held_locks+0x130/0x130
[  270.583427]  ? zap_class+0x640/0x640
[  270.587140]  ? mark_held_locks+0xc7/0x130
[  270.591281]  ? do_raw_spin_unlock+0xa7/0x330
[  270.595684]  ? zap_class+0x640/0x640
[  270.599393]  ? print_usage_bug+0xc0/0xc0
[  270.603453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.608988]  ? check_preemption_disabled+0x48/0x280
[  270.614005]  ? __lock_is_held+0xb5/0x140
[  270.618067]  __alloc_pages_nodemask+0xa80/0xde0
[  270.622732]  ? zap_class+0x640/0x640
[  270.626450]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  270.631479]  ? find_held_lock+0x36/0x1c0
[  270.635542]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.640206]  ? lock_downgrade+0x900/0x900
[  270.644359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.649899]  cache_grow_begin+0xa5/0x8c0
[  270.653955]  ? do_raw_spin_unlock+0xa7/0x330
[  270.658363]  fallback_alloc+0x204/0x2e0
[  270.662339]  ____cache_alloc_node+0x1c7/0x1e0
[  270.666837]  kmem_cache_alloc_node+0xe3/0x730
[  270.671330]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.675568]  __alloc_skb+0x119/0x770
[  270.679280]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.684558]  ? netdev_alloc_frag+0x1f0/0x1f0
[  270.688976]  ? lock_downgrade+0x900/0x900
[  270.693130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.698669]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.704117]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.709570]  ? addrconf_rs_timer+0x690/0x690
[  270.713992]  ndisc_alloc_skb+0x144/0x340
[  270.718054]  ndisc_send_rs+0x331/0x6e0
[  270.721944]  addrconf_rs_timer+0x314/0x690
[  270.726181]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.730422]  call_timer_fn+0x272/0x920
[  270.734304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.738537]  ? process_timeout+0x40/0x40
[  270.742598]  ? __run_timers+0x7da/0xc70
[  270.746567]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.751055]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.755541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.759771]  ? lockdep_hardirqs_on+0x296/0x5b0
[  270.764355]  ? trace_hardirqs_on+0xbd/0x310
[  270.768675]  ? kasan_check_read+0x11/0x20
[  270.772820]  ? __run_timers+0x7da/0xc70
[  270.776793]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.781898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.786134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.790364]  __run_timers+0x7e5/0xc70
[  270.794167]  ? timer_fixup_init+0x70/0x70
[  270.798307]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.802799]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.807293]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  270.811875]  ? trace_hardirqs_on+0xbd/0x310
[  270.816189]  ? kasan_check_read+0x11/0x20
[  270.820339]  ? finish_task_switch+0x1f4/0x910
[  270.824839]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.829936]  ? compat_start_thread+0x80/0x80
[  270.834360]  ? pvclock_read_flags+0x160/0x160
[  270.838852]  ? __switch_to_asm+0x34/0x70
[  270.842909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.848450]  ? check_preemption_disabled+0x48/0x280
[  270.853470]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  270.859012]  ? rcu_pm_notify+0xc0/0xc0
[  270.862899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.868430]  ? check_preemption_disabled+0x48/0x280
[  270.873445]  run_timer_softirq+0x52/0xb0
[  270.877503]  ? rcu_read_lock_sched_held+0x14f/0x180
[  270.882514]  __do_softirq+0x308/0xb7e
[  270.886317]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  270.891413]  ? smpboot_thread_fn+0x334/0xa00
[  270.895824]  ? schedule+0x108/0x460
[  270.899448]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  270.904204]  ? trace_hardirqs_off+0xb8/0x310
[  270.908650]  ? smpboot_thread_fn+0x68b/0xa00
[  270.913056]  ? trace_hardirqs_on+0x310/0x310
[  270.917458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.923017]  ? check_preemption_disabled+0x48/0x280
[  270.928032]  ? takeover_tasklets+0xa90/0xa90
[  270.932440]  run_ksoftirqd+0x5e/0x100
[  270.936236]  smpboot_thread_fn+0x68b/0xa00
[  270.940468]  ? sort_range+0x30/0x30
[  270.944089]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.949185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.954717]  ? __kthread_parkme+0xfb/0x1a0
[  270.958959]  ? sort_range+0x30/0x30
[  270.962579]  kthread+0x35a/0x440
[  270.965945]  ? kthread_stop+0x900/0x900
[  270.969917]  ret_from_fork+0x3a/0x50
[  270.973636] warn_alloc_show_mem: 1 callbacks suppressed
[  270.973646] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  270.973648] Mem-Info:
[  270.973679] active_anon:52607 inactive_anon:182 isolated_anon:0
[  270.973679]  active_file:12 inactive_file:11 isolated_file:0
[  270.973679]  unevictable:0 dirty:0 writeback:0 unstable:0
[  270.973679]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  270.973679]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  270.973679]  free:13782 free_pcp:358 free_cma:0
[  270.979012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.985935] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  270.988329] Call Trace:
[  271.021180] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  271.030530]  <IRQ>
[  271.057999] lowmem_reserve[]: 0 2818 6321 6321
[  271.060584]  dump_stack+0x244/0x39d
[  271.086663] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  271.088808]  ? dump_stack_print_info.cold.1+0x20/0x20
[  271.093359] lowmem_reserve[]: 0 0 3503 3503
[  271.096988]  warn_alloc.cold.116+0xb7/0x1bd
[  271.124723] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  271.129909]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.134193] lowmem_reserve[]: 0 0 0 0
[  271.138512]  ? lock_downgrade+0x900/0x900
[  271.167463] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  271.172317]  ? trace_hardirqs_off+0xb8/0x310
[  271.176077] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  271.180230]  ? trace_hardirqs_off+0xb8/0x310
[  271.193726] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  271.198131]  __alloc_pages_slowpath+0x26e8/0x2e10
[  271.213285] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  271.217697]  ? warn_alloc+0x120/0x120
[  271.232566] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  271.237389]  ? print_usage_bug+0xc0/0xc0
[  271.246194] 266 total pagecache pages
[  271.249983]  ? warn_alloc+0x120/0x120
[  271.258548] 0 pages in swap cache
[  271.262597]  ? warn_alloc+0x120/0x120
[  271.266371] Swap cache stats: add 0, delete 0, find 0/0
[  271.270160]  ? print_usage_bug+0xc0/0xc0
[  271.273584] Free swap  = 0kB
[  271.277382]  ? print_usage_bug+0xc0/0xc0
[  271.282718] Total swap = 0kB
[  271.286769]  ? __lock_acquire+0x62f/0x4c20
[  271.289762] 1965979 pages RAM
[  271.293810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.296796] 0 pages HighMem/MovableOnly
[  271.301021]  ? should_fail+0x22d/0xd01
[  271.304099] 342854 pages reserved
[  271.309625]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.313618] 0 pages cma reserved
[  271.317493]  ? __lock_acquire+0x62f/0x4c20
[  271.320975] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.326006]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.326018]  ? __lock_acquire+0x62f/0x4c20
[  271.326033]  ? should_fail+0x22d/0xd01
[  271.329421] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.333595]  ? find_held_lock+0x36/0x1c0
[  271.340064] ksoftirqd/0 cpuset=/ mems_allowed=0
[  271.345158]  ? mark_held_locks+0x130/0x130
[  271.376473]  ? mark_held_locks+0x130/0x130
[  271.380705]  ? zap_class+0x640/0x640
[  271.384417]  ? zap_class+0x640/0x640
[  271.388128]  ? print_usage_bug+0xc0/0xc0
[  271.392180]  ? do_raw_spin_unlock+0xa7/0x330
[  271.396582]  ? zap_class+0x640/0x640
[  271.400293]  ? print_usage_bug+0xc0/0xc0
[  271.404348]  ? wq_watchdog_touch+0x9c/0xfe
[  271.408583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.414121]  ? check_preemption_disabled+0x48/0x280
[  271.419138]  ? __lock_is_held+0xb5/0x140
[  271.423200]  __alloc_pages_nodemask+0xa80/0xde0
[  271.427868]  ? zap_class+0x640/0x640
[  271.431580]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  271.436601]  ? find_held_lock+0x36/0x1c0
[  271.440667]  ? ____cache_alloc_node+0x1c7/0x1e0
[  271.445339]  ? lock_downgrade+0x900/0x900
[  271.449492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.455028]  cache_grow_begin+0xa5/0x8c0
[  271.459082]  ? do_raw_spin_unlock+0xa7/0x330
[  271.463496]  fallback_alloc+0x204/0x2e0
[  271.467470]  ____cache_alloc_node+0x1c7/0x1e0
[  271.471964]  kmem_cache_alloc_node+0xe3/0x730
[  271.476454]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.480698]  __alloc_skb+0x119/0x770
[  271.484408]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.489693]  ? netdev_alloc_frag+0x1f0/0x1f0
[  271.494635]  ? lock_downgrade+0x900/0x900
[  271.498783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.504319]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.509766]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.515217]  ? addrconf_rs_timer+0x690/0x690
[  271.519630]  ndisc_alloc_skb+0x144/0x340
[  271.523695]  ndisc_send_rs+0x331/0x6e0
[  271.527583]  addrconf_rs_timer+0x314/0x690
[  271.531818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.536061]  call_timer_fn+0x272/0x920
[  271.539943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.544171]  ? process_timeout+0x40/0x40
[  271.548237]  ? mark_held_locks+0xc7/0x130
[  271.552384]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.556871]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.561360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.565591]  ? lockdep_hardirqs_on+0x296/0x5b0
[  271.570172]  ? trace_hardirqs_on+0xbd/0x310
[  271.574487]  ? kasan_check_read+0x11/0x20
[  271.578627]  ? __run_timers+0x7da/0xc70
[  271.582600]  ? trace_hardirqs_off_caller+0x310/0x310
[  271.587703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.591938]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.596168]  __run_timers+0x7e5/0xc70
[  271.599973]  ? timer_fixup_init+0x70/0x70
[  271.604120]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  271.609133]  ? zap_class+0x640/0x640
[  271.612846]  ? print_usage_bug+0xc0/0xc0
[  271.616926]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  271.622116]  ? find_held_lock+0x36/0x1c0
[  271.626177]  ? zap_class+0x640/0x640
[  271.629893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.635686]  ? check_preemption_disabled+0x48/0x280
[  271.640709]  ? __lock_is_held+0xb5/0x140
[  271.644773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.650305]  ? check_preemption_disabled+0x48/0x280
[  271.655323]  run_timer_softirq+0x52/0xb0
[  271.659377]  ? rcu_read_lock_sched_held+0x14f/0x180
[  271.664393]  __do_softirq+0x308/0xb7e
[  271.668200]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  271.672690]  ? lock_downgrade+0x900/0x900
[  271.676841]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  271.681943]  ? pvclock_read_flags+0x160/0x160
[  271.686434]  ? lapic_next_event+0x5a/0x90
[  271.690579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.696117]  ? kvm_clock_read+0x18/0x30
[  271.700084]  ? kvm_sched_clock_read+0x9/0x20
[  271.704488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.710022]  ? check_preemption_disabled+0x48/0x280
[  271.715043]  irq_exit+0x17f/0x1c0
[  271.718490]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.723326]  ? smp_reschedule_interrupt+0x109/0x650
[  271.728341]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.734221]  ? interrupt_entry+0xb5/0xc0
[  271.738280]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.743293]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.748305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.753143]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.758152]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.763168]  ? task_prio+0x50/0x50
[  271.766710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.772328]  ? check_preemption_disabled+0x48/0x280
[  271.777346]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.782192]  apic_timer_interrupt+0xf/0x20
[  271.786415]  </IRQ>
[  271.788650] RIP: 0010:lock_is_held_type+0x18b/0x210
[  271.793675] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  271.813104] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  271.820816] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  271.828079] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  271.835343] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  271.842610] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  271.849878] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  271.857184]  rcu_read_lock_held+0xa9/0xc0
[  271.861329]  css_next_child+0x2a2/0x620
[  271.865305]  ? cgroup_mount+0xd30/0xd30
[  271.869281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.874819]  ? check_preemption_disabled+0x48/0x280
[  271.879846]  ? __lock_is_held+0xb5/0x140
[  271.884010]  css_next_descendant_pre+0xeb/0x190
[  271.888684]  mem_cgroup_iter+0x42f/0x1160
[  271.892828]  ? kasan_check_write+0x14/0x20
[  271.897151]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  271.901902]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  271.906917]  ? shrink_slab+0xfa/0x8c0
[  271.910714]  ? shrink_active_list+0x1f00/0x1f00
[  271.915383]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  271.921005]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  271.926106]  ? cgroup_procs_write_finish+0xf0/0xf0
[  271.931041]  ? find_held_lock+0x36/0x1c0
[  271.935097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.940630]  ? vmpressure+0x1a2/0x340
[  271.944439]  shrink_node+0x516/0x16b0
[  271.948232]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  271.953529]  ? shrink_node_memcg+0x18f0/0x18f0
[  271.958110]  ? kvm_clock_read+0x18/0x30
[  271.962085]  ? ktime_get+0x2c1/0x400
[  271.965801]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  271.970293]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  271.975822]  ? __cpuset_node_allowed+0x19b/0x660
[  271.980577]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  271.986284]  ? delayacct_end+0x5a/0x100
[  271.990280]  do_try_to_free_pages+0x3e7/0x1290
[  271.994859]  ? zap_class+0x640/0x640
[  271.998581]  ? shrink_node+0x16b0/0x16b0
[  272.002728]  ? __lock_is_held+0xb5/0x140
[  272.006798]  try_to_free_pages+0x4d0/0xb90
[  272.011034]  ? do_try_to_free_pages+0x1290/0x1290
[  272.015882]  ? lock_acquire+0x1ed/0x520
[  272.020022]  ? set_page_refcounted+0x280/0x280
[  272.024605]  ? lock_release+0xa00/0xa00
[  272.028581]  ? _raw_spin_unlock_irq+0x60/0x80
[  272.033072]  ? psi_memstall_enter+0x240/0x2b0
[  272.037562]  ? psi_memstall_tick+0x230/0x230
[  272.041981]  __alloc_pages_slowpath+0xa14/0x2e10
[  272.046760]  ? warn_alloc+0x120/0x120
[  272.050553]  ? mark_held_locks+0x130/0x130
[  272.054789]  ? find_get_entry+0xaae/0x1120
[  272.059024]  ? filemap_map_pages+0x1a20/0x1a20
[  272.063607]  ? zap_class+0x640/0x640
[  272.067326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.072881]  ? check_preemption_disabled+0x48/0x280
[  272.077897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.083426]  ? should_fail+0x22d/0xd01
[  272.087312]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.092410]  ? zap_class+0x640/0x640
[  272.096144]  ? __lock_is_held+0xb5/0x140
[  272.100217]  ? mark_held_locks+0x130/0x130
[  272.104447]  ? lock_release+0xa00/0xa00
[  272.108416]  ? perf_trace_sched_process_exec+0x860/0x860
[  272.113865]  ? xa_load+0x2ba/0x460
[  272.117402]  ? lock_downgrade+0x900/0x900
[  272.121549]  ? __might_sleep+0x95/0x190
[  272.125523]  __alloc_pages_nodemask+0xa80/0xde0
[  272.130201]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  272.135214]  ? __page_cache_alloc+0x191/0x5c0
[  272.139701]  ? xa_load+0x2e1/0x460
[  272.143318]  ? xa_clear_mark+0x40/0x40
[  272.147201]  ? zap_class+0x640/0x640
[  272.150916]  ? zap_class+0x640/0x640
[  272.154630]  ? zap_class+0x640/0x640
[  272.158343]  ? __do_page_cache_readahead+0x663/0x810
[  272.163532]  ? find_held_lock+0x36/0x1c0
[  272.167594]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  272.173137]  alloc_pages_current+0x173/0x350
[  272.177557]  __page_cache_alloc+0x38c/0x5c0
[  272.181887]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.186897]  ? kasan_check_read+0x11/0x20
[  272.191037]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.196309]  ? generic_perform_write+0x6a0/0x6a0
[  272.201061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.206593]  ? check_preemption_disabled+0x48/0x280
[  272.211629]  filemap_fault+0x1595/0x25f0
[  272.215696]  ? __lock_page_or_retry+0xa00/0xa00
[  272.220360]  ? mark_held_locks+0x130/0x130
[  272.224597]  ? filemap_map_pages+0xd6b/0x1a20
[  272.229097]  ? lock_downgrade+0x900/0x900
[  272.233243]  ? check_preemption_disabled+0x48/0x280
[  272.238257]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.243184]  ? kasan_check_read+0x11/0x20
[  272.247325]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.252596]  ? rcu_softirq_qs+0x20/0x20
[  272.256584]  ? filemap_map_pages+0xd92/0x1a20
[  272.261092]  ? print_usage_bug+0xc0/0xc0
[  272.265167]  ? find_get_entries_tag+0x1400/0x1400
[  272.270002]  ? __kasan_slab_free+0x102/0x150
[  272.274416]  ? kasan_slab_free+0xe/0x10
[  272.278384]  ? kmem_cache_free+0x83/0x290
[  272.282528]  ? __sigqueue_free.part.29+0x74/0x90
[  272.287293]  ? lock_acquire+0x1ed/0x520
[  272.291265]  ? ext4_filemap_fault+0x7a/0xad
[  272.295587]  ? lock_release+0xa00/0xa00
[  272.299558]  ? perf_trace_sched_process_exec+0x860/0x860
[  272.305006]  ? print_usage_bug+0xc0/0xc0
[  272.309068]  ? print_usage_bug+0xc0/0xc0
[  272.313136]  ? down_read+0x8d/0x120
[  272.316764]  ? ext4_filemap_fault+0x7a/0xad
[  272.321082]  ? __down_interruptible+0x700/0x700
[  272.325756]  ext4_filemap_fault+0x82/0xad
[  272.329899]  __do_fault+0x100/0x6b0
[  272.333532]  ? pmd_devmap_trans_unstable+0x220/0x220
[  272.338635]  ? mark_held_locks+0x130/0x130
[  272.342866]  ? mark_held_locks+0x130/0x130
[  272.347095]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  272.352636]  ? rcu_pm_notify+0xc0/0xc0
[  272.356522]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.362060]  __handle_mm_fault+0x3ea0/0x5be0
[  272.366470]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  272.371304]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.375809]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  272.380386]  ? trace_hardirqs_on+0xbd/0x310
[  272.384700]  ? kasan_check_read+0x11/0x20
[  272.388840]  ? __set_current_blocked+0xdf/0x120
[  272.393506]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.398622]  ? zap_class+0x640/0x640
[  272.402331]  ? zap_class+0x640/0x640
[  272.406044]  ? find_held_lock+0x36/0x1c0
[  272.410106]  ? handle_mm_fault+0x42a/0xc70
[  272.414686]  ? lock_downgrade+0x900/0x900
[  272.418828]  ? check_preemption_disabled+0x48/0x280
[  272.423841]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.428762]  ? kasan_check_read+0x11/0x20
[  272.432903]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.438177]  ? rcu_softirq_qs+0x20/0x20
[  272.442149]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.447247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.452780]  ? check_preemption_disabled+0x48/0x280
[  272.457796]  handle_mm_fault+0x54f/0xc70
[  272.461854]  ? __handle_mm_fault+0x5be0/0x5be0
[  272.466444]  ? find_vma+0x34/0x190
[  272.469985]  __do_page_fault+0x5e8/0xe60
[  272.474043]  ? exit_to_usermode_loop+0x1f4/0x380
[  272.478802]  do_page_fault+0xf2/0x7e0
[  272.482607]  ? vmalloc_sync_all+0x30/0x30
[  272.486754]  ? error_entry+0x70/0xd0
[  272.490462]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.495473]  ? trace_hardirqs_on_caller+0xc0/0x310
[  272.500393]  ? syscall_return_slowpath+0x5e0/0x5e0
[  272.505315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.510156]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.515167]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.520621]  ? prepare_exit_to_usermode+0x291/0x3b0
[  272.525629]  ? page_fault+0x8/0x30
[  272.529165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.534007]  ? page_fault+0x8/0x30
[  272.537543]  page_fault+0x1e/0x30
[  272.540990] RIP: 0033:0x45db60
[  272.544193] Code: Bad RIP value.
[  272.547547] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  272.552901] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  272.560166] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  272.567430] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  272.574692] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  272.581956] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  272.589244] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  272.589306] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  272.595991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  272.595996] Call Trace:
[  272.596013]  dump_stack+0x244/0x39d
[  272.596033]  ? dump_stack_print_info.cold.1+0x20/0x20
[  272.602568] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  272.611850]  warn_alloc.cold.116+0xb7/0x1bd
[  272.614396] syz-fuzzer cpuset=/ mems_allowed=0
[  272.618011]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.647491]  ? lock_downgrade+0x900/0x900
[  272.651650]  ? trace_hardirqs_off+0xb8/0x310
[  272.656056]  ? trace_hardirqs_off+0xb8/0x310
[  272.660466]  __alloc_pages_slowpath+0x26e8/0x2e10
[  272.665326]  ? warn_alloc+0x120/0x120
[  272.669130]  ? print_usage_bug+0xc0/0xc0
[  272.673184]  ? warn_alloc+0x120/0x120
[  272.676984]  ? warn_alloc+0x120/0x120
[  272.680782]  ? print_usage_bug+0xc0/0xc0
[  272.684840]  ? print_usage_bug+0xc0/0xc0
[  272.688894]  ? __lock_acquire+0x62f/0x4c20
[  272.693130]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.698660]  ? should_fail+0x22d/0xd01
[  272.702546]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.707651]  ? __lock_acquire+0x62f/0x4c20
[  272.711888]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.716995]  ? __lock_acquire+0x62f/0x4c20
[  272.721224]  ? should_fail+0x22d/0xd01
[  272.725104]  ? find_held_lock+0x36/0x1c0
[  272.729170]  ? mark_held_locks+0x130/0x130
[  272.733402]  ? mark_held_locks+0x130/0x130
[  272.737637]  ? zap_class+0x640/0x640
[  272.741347]  ? zap_class+0x640/0x640
[  272.745057]  ? print_usage_bug+0xc0/0xc0
[  272.749114]  ? do_raw_spin_unlock+0xa7/0x330
[  272.753521]  ? zap_class+0x640/0x640
[  272.757228]  ? print_usage_bug+0xc0/0xc0
[  272.761285]  ? wq_watchdog_touch+0x9c/0xfe
[  272.765516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.771048]  ? check_preemption_disabled+0x48/0x280
[  272.776067]  ? __lock_is_held+0xb5/0x140
[  272.780124]  __alloc_pages_nodemask+0xa80/0xde0
[  272.784785]  ? zap_class+0x640/0x640
[  272.788495]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  272.793514]  ? find_held_lock+0x36/0x1c0
[  272.797584]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.802253]  ? lock_downgrade+0x900/0x900
[  272.806400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.811933]  cache_grow_begin+0xa5/0x8c0
[  272.815994]  ? do_raw_spin_unlock+0xa7/0x330
[  272.820402]  fallback_alloc+0x204/0x2e0
[  272.824377]  ____cache_alloc_node+0x1c7/0x1e0
[  272.828873]  kmem_cache_alloc_node+0xe3/0x730
[  272.833365]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.837614]  __alloc_skb+0x119/0x770
[  272.841324]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.846607]  ? netdev_alloc_frag+0x1f0/0x1f0
[  272.851010]  ? lock_downgrade+0x900/0x900
[  272.855160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.860690]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.866139]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.871593]  ? addrconf_rs_timer+0x690/0x690
[  272.876016]  ndisc_alloc_skb+0x144/0x340
[  272.880075]  ndisc_send_rs+0x331/0x6e0
[  272.883960]  addrconf_rs_timer+0x314/0x690
[  272.888192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.892429]  call_timer_fn+0x272/0x920
[  272.896309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.900537]  ? process_timeout+0x40/0x40
[  272.904609]  ? __run_timers+0x7da/0xc70
[  272.908587]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.913079]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.917573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.921807]  ? lockdep_hardirqs_on+0x296/0x5b0
[  272.926386]  ? trace_hardirqs_on+0xbd/0x310
[  272.930706]  ? kasan_check_read+0x11/0x20
[  272.934845]  ? __run_timers+0x7da/0xc70
[  272.938814]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.943917]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.948154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.952379]  __run_timers+0x7e5/0xc70
[  272.956183]  ? timer_fixup_init+0x70/0x70
[  272.960323]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.964811]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.969302]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  272.973883]  ? trace_hardirqs_on+0xbd/0x310
[  272.978196]  ? kasan_check_read+0x11/0x20
[  272.982338]  ? finish_task_switch+0x1f4/0x910
[  272.986829]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.991925]  ? compat_start_thread+0x80/0x80
[  272.996350]  ? pvclock_read_flags+0x160/0x160
[  273.000837]  ? __switch_to_asm+0x34/0x70
[  273.004892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.010424]  ? check_preemption_disabled+0x48/0x280
[  273.015442]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  273.020977]  ? rcu_pm_notify+0xc0/0xc0
[  273.024864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.030393]  ? check_preemption_disabled+0x48/0x280
[  273.035418]  run_timer_softirq+0x52/0xb0
[  273.039472]  ? rcu_read_lock_sched_held+0x14f/0x180
[  273.044481]  __do_softirq+0x308/0xb7e
[  273.048285]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  273.053388]  ? smpboot_thread_fn+0x334/0xa00
[  273.057794]  ? schedule+0x108/0x460
[  273.061415]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.066182]  ? trace_hardirqs_off+0xb8/0x310
[  273.070589]  ? smpboot_thread_fn+0x68b/0xa00
[  273.074998]  ? trace_hardirqs_on+0x310/0x310
[  273.079400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.084933]  ? check_preemption_disabled+0x48/0x280
[  273.089945]  ? takeover_tasklets+0xa90/0xa90
[  273.094350]  run_ksoftirqd+0x5e/0x100
[  273.098149]  smpboot_thread_fn+0x68b/0xa00
[  273.102381]  ? sort_range+0x30/0x30
[  273.106001]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  273.111101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.116641]  ? __kthread_parkme+0xfb/0x1a0
[  273.120872]  ? sort_range+0x30/0x30
[  273.124494]  kthread+0x35a/0x440
[  273.127856]  ? kthread_stop+0x900/0x900
[  273.131826]  ret_from_fork+0x3a/0x50
[  273.135559] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  273.135564] warn_alloc_show_mem: 1 callbacks suppressed
[  273.135570] Mem-Info:
[  273.142483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  273.147944] active_anon:52607 inactive_anon:182 isolated_anon:0
[  273.147944]  active_file:12 inactive_file:11 isolated_file:0
[  273.147944]  unevictable:0 dirty:0 writeback:0 unstable:0
[  273.147944]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  273.147944]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  273.147944]  free:13782 free_pcp:358 free_cma:0
[  273.150307] Call Trace:
[  273.150315]  <IRQ>
[  273.159688] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  273.192543]  dump_stack+0x244/0x39d
[  273.195099] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  273.197241]  ? dump_stack_print_info.cold.1+0x20/0x20
[  273.224702] lowmem_reserve[]: 0 2818 6321 6321
[  273.228332]  warn_alloc.cold.116+0xb7/0x1bd
[  273.254403] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  273.259582]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  273.264134] lowmem_reserve[]: 0 0 3503 3503
[  273.268448]  ? lock_downgrade+0x900/0x900
[  273.296097] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  273.300933]  ? trace_hardirqs_off+0xb8/0x310
[  273.305219] lowmem_reserve[]: 0 0 0 0
[  273.309359]  ? trace_hardirqs_off+0xb8/0x310
[  273.338308] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  273.342713]  __alloc_pages_slowpath+0x26e8/0x2e10
[  273.346479] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  273.350902]  ? warn_alloc+0x120/0x120
[  273.364385] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  273.369216]  ? print_usage_bug+0xc0/0xc0
[  273.384361] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  273.388143]  ? warn_alloc+0x120/0x120
[  273.403032] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  273.407077]  ? warn_alloc+0x120/0x120
[  273.415887] 266 total pagecache pages
[  273.419675]  ? print_usage_bug+0xc0/0xc0
[  273.428227] 0 pages in swap cache
[  273.432009]  ? kvm_clock_read+0x18/0x30
[  273.435784] Swap cache stats: add 0, delete 0, find 0/0
[  273.439827]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  273.443251] Free swap  = 0kB
[  273.447213]  ? print_usage_bug+0xc0/0xc0
[  273.452567] Total swap = 0kB
[  273.457572]  ? __lock_acquire+0x62f/0x4c20
[  273.460567] 1965979 pages RAM
[  273.464615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.467605] 0 pages HighMem/MovableOnly
[  273.471824]  ? should_fail+0x22d/0xd01
[  273.474896] 342854 pages reserved
[  273.474903] 0 pages cma reserved
[  273.480423]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.484442] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.488243]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.491719] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.495018]  ? __lock_acquire+0x62f/0x4c20
[  273.500286] ksoftirqd/0 cpuset=/ mems_allowed=0
[  273.506790]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.536116]  ? __lock_acquire+0x62f/0x4c20
[  273.540346]  ? should_fail+0x22d/0xd01
[  273.544227]  ? rcu_irq_exit+0x1a2/0x390
[  273.548209]  ? mark_held_locks+0x130/0x130
[  273.552442]  ? mark_held_locks+0x130/0x130
[  273.556680]  ? mark_held_locks+0xc7/0x130
[  273.560823]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  273.565833]  ? zap_class+0x640/0x640
[  273.569539]  ? print_usage_bug+0xc0/0xc0
[  273.573596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.579128]  ? check_preemption_disabled+0x48/0x280
[  273.584146]  ? __lock_is_held+0xb5/0x140
[  273.588211]  __alloc_pages_nodemask+0xa80/0xde0
[  273.592877]  ? zap_class+0x640/0x640
[  273.596591]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  273.601619]  ? find_held_lock+0x36/0x1c0
[  273.605685]  ? ____cache_alloc_node+0x1c7/0x1e0
[  273.610351]  ? lock_downgrade+0x900/0x900
[  273.614509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.620132]  cache_grow_begin+0xa5/0x8c0
[  273.624187]  ? do_raw_spin_unlock+0xa7/0x330
[  273.628602]  fallback_alloc+0x204/0x2e0
[  273.632576]  ____cache_alloc_node+0x1c7/0x1e0
[  273.637544]  kmem_cache_alloc_node+0xe3/0x730
[  273.642043]  ? ipv6_get_ifaddr+0x42e/0x620
[  273.646284]  __alloc_skb+0x119/0x770
[  273.649993]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.655267]  ? netdev_alloc_frag+0x1f0/0x1f0
[  273.659677]  ? lock_downgrade+0x900/0x900
[  273.663829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.669361]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.674813]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.680258]  ? addrconf_rs_timer+0x690/0x690
[  273.684676]  ndisc_alloc_skb+0x144/0x340
[  273.688737]  ndisc_send_rs+0x331/0x6e0
[  273.692623]  addrconf_rs_timer+0x314/0x690
[  273.696861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.701104]  call_timer_fn+0x272/0x920
[  273.704987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.709215]  ? process_timeout+0x40/0x40
[  273.713281]  ? mark_held_locks+0xc7/0x130
[  273.717423]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.721910]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.726399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.730634]  ? lockdep_hardirqs_on+0x296/0x5b0
[  273.735215]  ? trace_hardirqs_on+0xbd/0x310
[  273.739533]  ? kasan_check_read+0x11/0x20
[  273.743673]  ? __run_timers+0x7da/0xc70
[  273.747648]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.752748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.756979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.761205]  __run_timers+0x7e5/0xc70
[  273.765009]  ? timer_fixup_init+0x70/0x70
[  273.769155]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  273.774170]  ? zap_class+0x640/0x640
[  273.777972]  ? print_usage_bug+0xc0/0xc0
[  273.782037]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  273.787228]  ? find_held_lock+0x36/0x1c0
[  273.791286]  ? zap_class+0x640/0x640
[  273.794998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.800531]  ? check_preemption_disabled+0x48/0x280
[  273.806090]  ? __lock_is_held+0xb5/0x140
[  273.810150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.815683]  ? check_preemption_disabled+0x48/0x280
[  273.820698]  run_timer_softirq+0x52/0xb0
[  273.824753]  ? rcu_read_lock_sched_held+0x14f/0x180
[  273.829767]  __do_softirq+0x308/0xb7e
[  273.833564]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  273.838052]  ? lock_downgrade+0x900/0x900
[  273.842197]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  273.847306]  ? pvclock_read_flags+0x160/0x160
[  273.851800]  ? lapic_next_event+0x5a/0x90
[  273.855946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.861491]  ? kvm_clock_read+0x18/0x30
[  273.865460]  ? kvm_sched_clock_read+0x9/0x20
[  273.869870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.875402]  ? check_preemption_disabled+0x48/0x280
[  273.880420]  irq_exit+0x17f/0x1c0
[  273.883872]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.888707]  ? smp_reschedule_interrupt+0x109/0x650
[  273.893716]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.899593]  ? interrupt_entry+0xb5/0xc0
[  273.903654]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.908665]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.913674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.918514]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.923527]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.928534]  ? task_prio+0x50/0x50
[  273.932068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.937600]  ? check_preemption_disabled+0x48/0x280
[  273.942617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.947460]  apic_timer_interrupt+0xf/0x20
[  273.951694]  </IRQ>
[  273.953927] RIP: 0010:lock_is_held_type+0x18b/0x210
[  273.958938] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  273.977833] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  273.985535] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  273.992806] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  274.000068] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  274.007329] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  274.014589] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  274.021880]  rcu_read_lock_held+0xa9/0xc0
[  274.026029]  css_next_child+0x2a2/0x620
[  274.030093]  ? cgroup_mount+0xd30/0xd30
[  274.034067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.039602]  ? check_preemption_disabled+0x48/0x280
[  274.044621]  ? __lock_is_held+0xb5/0x140
[  274.048690]  css_next_descendant_pre+0xeb/0x190
[  274.053357]  mem_cgroup_iter+0x42f/0x1160
[  274.057501]  ? kasan_check_write+0x14/0x20
[  274.061735]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  274.066485]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.072281]  ? shrink_slab+0xfa/0x8c0
[  274.076079]  ? shrink_active_list+0x1f00/0x1f00
[  274.080755]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  274.086374]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.091487]  ? cgroup_procs_write_finish+0xf0/0xf0
[  274.096422]  ? find_held_lock+0x36/0x1c0
[  274.100483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.106017]  ? vmpressure+0x1a2/0x340
[  274.109814]  shrink_node+0x516/0x16b0
[  274.113607]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  274.118900]  ? shrink_node_memcg+0x18f0/0x18f0
[  274.123490]  ? kvm_clock_read+0x18/0x30
[  274.127468]  ? ktime_get+0x2c1/0x400
[  274.131184]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  274.135678]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  274.141210]  ? __cpuset_node_allowed+0x19b/0x660
[  274.145965]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  274.151675]  ? delayacct_end+0x5a/0x100
[  274.155653]  do_try_to_free_pages+0x3e7/0x1290
[  274.160231]  ? zap_class+0x640/0x640
[  274.163957]  ? shrink_node+0x16b0/0x16b0
[  274.168014]  ? __lock_is_held+0xb5/0x140
[  274.172079]  try_to_free_pages+0x4d0/0xb90
[  274.176315]  ? do_try_to_free_pages+0x1290/0x1290
[  274.181595]  ? lock_acquire+0x1ed/0x520
[  274.185566]  ? set_page_refcounted+0x280/0x280
[  274.190151]  ? lock_release+0xa00/0xa00
[  274.194118]  ? _raw_spin_unlock_irq+0x60/0x80
[  274.198607]  ? psi_memstall_enter+0x240/0x2b0
[  274.203099]  ? psi_memstall_tick+0x230/0x230
[  274.207513]  __alloc_pages_slowpath+0xa14/0x2e10
[  274.212288]  ? warn_alloc+0x120/0x120
[  274.216080]  ? mark_held_locks+0x130/0x130
[  274.220314]  ? find_get_entry+0xaae/0x1120
[  274.224553]  ? filemap_map_pages+0x1a20/0x1a20
[  274.229134]  ? zap_class+0x640/0x640
[  274.232849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.238383]  ? check_preemption_disabled+0x48/0x280
[  274.243393]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.248927]  ? should_fail+0x22d/0xd01
[  274.252816]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.257914]  ? zap_class+0x640/0x640
[  274.261645]  ? __lock_is_held+0xb5/0x140
[  274.265713]  ? mark_held_locks+0x130/0x130
[  274.269946]  ? lock_release+0xa00/0xa00
[  274.273918]  ? perf_trace_sched_process_exec+0x860/0x860
[  274.279362]  ? xa_load+0x2ba/0x460
[  274.282901]  ? lock_downgrade+0x900/0x900
[  274.287048]  ? __might_sleep+0x95/0x190
[  274.291021]  __alloc_pages_nodemask+0xa80/0xde0
[  274.295693]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  274.300702]  ? __page_cache_alloc+0x191/0x5c0
[  274.305188]  ? xa_load+0x2e1/0x460
[  274.308726]  ? xa_clear_mark+0x40/0x40
[  274.312612]  ? zap_class+0x640/0x640
[  274.316326]  ? zap_class+0x640/0x640
[  274.320032]  ? zap_class+0x640/0x640
[  274.323742]  ? __do_page_cache_readahead+0x663/0x810
[  274.328843]  ? find_held_lock+0x36/0x1c0
[  274.332906]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  274.338449]  alloc_pages_current+0x173/0x350
[  274.342860]  __page_cache_alloc+0x38c/0x5c0
[  274.347173]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.352099]  ? kasan_check_read+0x11/0x20
[  274.356243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.361517]  ? generic_perform_write+0x6a0/0x6a0
[  274.366266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.371800]  ? check_preemption_disabled+0x48/0x280
[  274.376818]  filemap_fault+0x1595/0x25f0
[  274.380884]  ? __lock_page_or_retry+0xa00/0xa00
[  274.385554]  ? mark_held_locks+0x130/0x130
[  274.389792]  ? filemap_map_pages+0xd6b/0x1a20
[  274.394283]  ? lock_downgrade+0x900/0x900
[  274.398437]  ? check_preemption_disabled+0x48/0x280
[  274.403460]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.408385]  ? kasan_check_read+0x11/0x20
[  274.412529]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.417799]  ? rcu_softirq_qs+0x20/0x20
[  274.421781]  ? filemap_map_pages+0xd92/0x1a20
[  274.426280]  ? print_usage_bug+0xc0/0xc0
[  274.430344]  ? find_get_entries_tag+0x1400/0x1400
[  274.435196]  ? __kasan_slab_free+0x102/0x150
[  274.439602]  ? kasan_slab_free+0xe/0x10
[  274.443571]  ? kmem_cache_free+0x83/0x290
[  274.447714]  ? __sigqueue_free.part.29+0x74/0x90
[  274.452479]  ? lock_acquire+0x1ed/0x520
[  274.456453]  ? ext4_filemap_fault+0x7a/0xad
[  274.460775]  ? lock_release+0xa00/0xa00
[  274.464743]  ? perf_trace_sched_process_exec+0x860/0x860
[  274.470188]  ? print_usage_bug+0xc0/0xc0
[  274.474248]  ? print_usage_bug+0xc0/0xc0
[  274.478312]  ? down_read+0x8d/0x120
[  274.481940]  ? ext4_filemap_fault+0x7a/0xad
[  274.486260]  ? __down_interruptible+0x700/0x700
[  274.490931]  ext4_filemap_fault+0x82/0xad
[  274.495082]  __do_fault+0x100/0x6b0
[  274.498711]  ? pmd_devmap_trans_unstable+0x220/0x220
[  274.503810]  ? mark_held_locks+0x130/0x130
[  274.508038]  ? mark_held_locks+0x130/0x130
[  274.512270]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  274.517813]  ? rcu_pm_notify+0xc0/0xc0
[  274.521700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.527240]  __handle_mm_fault+0x3ea0/0x5be0
[  274.531656]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  274.536493]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.540989]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  274.545571]  ? trace_hardirqs_on+0xbd/0x310
[  274.549889]  ? kasan_check_read+0x11/0x20
[  274.554031]  ? __set_current_blocked+0xdf/0x120
[  274.558693]  ? trace_hardirqs_off_caller+0x310/0x310
[  274.563813]  ? zap_class+0x640/0x640
[  274.567522]  ? zap_class+0x640/0x640
[  274.571238]  ? find_held_lock+0x36/0x1c0
[  274.575305]  ? handle_mm_fault+0x42a/0xc70
[  274.579535]  ? lock_downgrade+0x900/0x900
[  274.583680]  ? check_preemption_disabled+0x48/0x280
[  274.588696]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  274.593617]  ? kasan_check_read+0x11/0x20
[  274.597757]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.603027]  ? rcu_softirq_qs+0x20/0x20
[  274.606998]  ? trace_hardirqs_off_caller+0x310/0x310
[  274.612096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.617632]  ? check_preemption_disabled+0x48/0x280
[  274.622647]  handle_mm_fault+0x54f/0xc70
[  274.626708]  ? __handle_mm_fault+0x5be0/0x5be0
[  274.631290]  ? find_vma+0x34/0x190
[  274.634827]  __do_page_fault+0x5e8/0xe60
[  274.638885]  ? exit_to_usermode_loop+0x1f4/0x380
[  274.643641]  do_page_fault+0xf2/0x7e0
[  274.647440]  ? vmalloc_sync_all+0x30/0x30
[  274.651581]  ? error_entry+0x70/0xd0
[  274.655292]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.660300]  ? trace_hardirqs_on_caller+0xc0/0x310
[  274.665223]  ? syscall_return_slowpath+0x5e0/0x5e0
[  274.670157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.674995]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.680007]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.685461]  ? prepare_exit_to_usermode+0x291/0x3b0
[  274.690470]  ? page_fault+0x8/0x30
[  274.694012]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.698853]  ? page_fault+0x8/0x30
[  274.702390]  page_fault+0x1e/0x30
[  274.705845] RIP: 0033:0x45db60
[  274.709043] Code: Bad RIP value.
[  274.712400] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  274.717764] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  274.725026] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  274.732306] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  274.739656] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  274.746917] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  274.754205] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  274.754265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  274.760952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.760959] Call Trace:
[  274.767513] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  274.776780]  dump_stack+0x244/0x39d
[  274.779339] syz-fuzzer cpuset=/ mems_allowed=0
[  274.789550]  ? dump_stack_print_info.cold.1+0x20/0x20
[  274.803010]  warn_alloc.cold.116+0xb7/0x1bd
[  274.807326]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.812164]  ? lock_downgrade+0x900/0x900
[  274.816317]  ? trace_hardirqs_off+0xb8/0x310
[  274.820742]  ? trace_hardirqs_off+0xb8/0x310
[  274.825156]  __alloc_pages_slowpath+0x26e8/0x2e10
[  274.830018]  ? warn_alloc+0x120/0x120
[  274.833817]  ? print_usage_bug+0xc0/0xc0
[  274.837876]  ? warn_alloc+0x120/0x120
[  274.841674]  ? warn_alloc+0x120/0x120
[  274.845471]  ? print_usage_bug+0xc0/0xc0
[  274.849531]  ? print_usage_bug+0xc0/0xc0
[  274.853587]  ? __lock_acquire+0x62f/0x4c20
[  274.857826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.863357]  ? should_fail+0x22d/0xd01
[  274.867241]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.872341]  ? __lock_acquire+0x62f/0x4c20
[  274.876585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.881684]  ? __lock_acquire+0x62f/0x4c20
[  274.885914]  ? should_fail+0x22d/0xd01
[  274.889795]  ? find_held_lock+0x36/0x1c0
[  274.893859]  ? mark_held_locks+0x130/0x130
[  274.898096]  ? mark_held_locks+0x130/0x130
[  274.902322]  ? zap_class+0x640/0x640
[  274.906029]  ? zap_class+0x640/0x640
[  274.909742]  ? print_usage_bug+0xc0/0xc0
[  274.913796]  ? do_raw_spin_unlock+0xa7/0x330
[  274.918199]  ? zap_class+0x640/0x640
[  274.921906]  ? print_usage_bug+0xc0/0xc0
[  274.925959]  ? wq_watchdog_touch+0x9c/0xfe
[  274.930195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.935728]  ? check_preemption_disabled+0x48/0x280
[  274.940752]  ? __lock_is_held+0xb5/0x140
[  274.944812]  __alloc_pages_nodemask+0xa80/0xde0
[  274.949475]  ? zap_class+0x640/0x640
[  274.953186]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  274.958209]  ? find_held_lock+0x36/0x1c0
[  274.962276]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.966942]  ? lock_downgrade+0x900/0x900
[  274.971094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.976634]  cache_grow_begin+0xa5/0x8c0
[  274.980687]  ? do_raw_spin_unlock+0xa7/0x330
[  274.985097]  fallback_alloc+0x204/0x2e0
[  274.989075]  ____cache_alloc_node+0x1c7/0x1e0
[  274.993570]  kmem_cache_alloc_node+0xe3/0x730
[  274.998064]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.002302]  __alloc_skb+0x119/0x770
[  275.006008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.011290]  ? netdev_alloc_frag+0x1f0/0x1f0
[  275.015691]  ? lock_downgrade+0x900/0x900
[  275.019839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.025381]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.030838]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.036287]  ? addrconf_rs_timer+0x690/0x690
[  275.040699]  ndisc_alloc_skb+0x144/0x340
[  275.044763]  ndisc_send_rs+0x331/0x6e0
[  275.048651]  addrconf_rs_timer+0x314/0x690
[  275.052886]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.057124]  call_timer_fn+0x272/0x920
[  275.061007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.065233]  ? process_timeout+0x40/0x40
[  275.069295]  ? __run_timers+0x7da/0xc70
[  275.073266]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.077754]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.082245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.086474]  ? lockdep_hardirqs_on+0x296/0x5b0
[  275.091053]  ? trace_hardirqs_on+0xbd/0x310
[  275.095376]  ? kasan_check_read+0x11/0x20
[  275.099606]  ? __run_timers+0x7da/0xc70
[  275.103579]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.108682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.112913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.117141]  __run_timers+0x7e5/0xc70
[  275.120943]  ? timer_fixup_init+0x70/0x70
[  275.125088]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.129580]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.134072]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  275.138650]  ? trace_hardirqs_on+0xbd/0x310
[  275.142963]  ? kasan_check_read+0x11/0x20
[  275.147104]  ? finish_task_switch+0x1f4/0x910
[  275.151598]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.156693]  ? compat_start_thread+0x80/0x80
[  275.161114]  ? pvclock_read_flags+0x160/0x160
[  275.165604]  ? __switch_to_asm+0x34/0x70
[  275.169662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.175192]  ? check_preemption_disabled+0x48/0x280
[  275.180213]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  275.185748]  ? rcu_pm_notify+0xc0/0xc0
[  275.189635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.195166]  ? check_preemption_disabled+0x48/0x280
[  275.200181]  run_timer_softirq+0x52/0xb0
[  275.204234]  ? rcu_read_lock_sched_held+0x14f/0x180
[  275.209246]  __do_softirq+0x308/0xb7e
[  275.213052]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  275.218159]  ? smpboot_thread_fn+0x334/0xa00
[  275.222575]  ? schedule+0x108/0x460
[  275.226195]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  275.230959]  ? trace_hardirqs_off+0xb8/0x310
[  275.235378]  ? smpboot_thread_fn+0x68b/0xa00
[  275.239784]  ? trace_hardirqs_on+0x310/0x310
[  275.244188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.249720]  ? check_preemption_disabled+0x48/0x280
[  275.254732]  ? takeover_tasklets+0xa90/0xa90
[  275.259140]  run_ksoftirqd+0x5e/0x100
[  275.262933]  smpboot_thread_fn+0x68b/0xa00
[  275.267250]  ? sort_range+0x30/0x30
[  275.270873]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.275975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.281509]  ? __kthread_parkme+0xfb/0x1a0
[  275.285745]  ? sort_range+0x30/0x30
[  275.289373]  kthread+0x35a/0x440
[  275.292740]  ? kthread_stop+0x900/0x900
[  275.296711]  ret_from_fork+0x3a/0x50
[  275.300438] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  275.300443] warn_alloc_show_mem: 1 callbacks suppressed
[  275.300449] Mem-Info:
[  275.307368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.312732] active_anon:52607 inactive_anon:182 isolated_anon:0
[  275.312732]  active_file:12 inactive_file:11 isolated_file:0
[  275.312732]  unevictable:0 dirty:0 writeback:0 unstable:0
[  275.312732]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  275.312732]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  275.312732]  free:13782 free_pcp:358 free_cma:0
[  275.315102] Call Trace:
[  275.324473] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  275.357310]  <IRQ>
[  275.359873] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  275.387378]  dump_stack+0x244/0x39d
[  275.389505] lowmem_reserve[]: 0 2818 6321 6321
[  275.415615]  ? dump_stack_print_info.cold.1+0x20/0x20
[  275.419220] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  275.423800]  warn_alloc.cold.116+0xb7/0x1bd
[  275.428950] lowmem_reserve[]: 0 0 3503 3503
[  275.456788]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.461079] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  275.465395]  ? lock_downgrade+0x900/0x900
[  275.470207] lowmem_reserve[]: 0 0 0 0
[  275.499174]  ? trace_hardirqs_off+0xb8/0x310
[  275.503292] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  275.507085]  ? trace_hardirqs_off+0xb8/0x310
[  275.511461] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  275.524979]  __alloc_pages_slowpath+0x26e8/0x2e10
[  275.529360] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  275.544543]  ? warn_alloc+0x120/0x120
[  275.549348] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  275.564238]  ? print_usage_bug+0xc0/0xc0
[  275.568018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  275.576832]  ? warn_alloc+0x120/0x120
[  275.580863] 266 total pagecache pages
[  275.589426]  ? warn_alloc+0x120/0x120
[  275.593203] 0 pages in swap cache
[  275.596987]  ? print_usage_bug+0xc0/0xc0
[  275.600761] Swap cache stats: add 0, delete 0, find 0/0
[  275.604198]  ? kvm_clock_read+0x18/0x30
[  275.608228] Free swap  = 0kB
[  275.613574]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  275.617515] Total swap = 0kB
[  275.620523]  ? print_usage_bug+0xc0/0xc0
[  275.625509] 1965979 pages RAM
[  275.628513]  ? __lock_acquire+0x62f/0x4c20
[  275.632546] 0 pages HighMem/MovableOnly
[  275.635947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.640164] 342854 pages reserved
[  275.644124]  ? should_fail+0x22d/0xd01
[  275.649631] 0 pages cma reserved
[  275.653071]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.656987] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.660283]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.665602] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.672272]  ? __lock_acquire+0x62f/0x4c20
[  275.677347] ksoftirqd/0 cpuset=/ mems_allowed=0
[  275.687651]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.701597]  ? __lock_acquire+0x62f/0x4c20
[  275.705823]  ? should_fail+0x22d/0xd01
[  275.709713]  ? rcu_irq_exit+0x1a2/0x390
[  275.713689]  ? mark_held_locks+0x130/0x130
[  275.717920]  ? mark_held_locks+0x130/0x130
[  275.722152]  ? mark_held_locks+0xc7/0x130
[  275.726298]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  275.731323]  ? zap_class+0x640/0x640
[  275.735031]  ? print_usage_bug+0xc0/0xc0
[  275.739090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.744624]  ? check_preemption_disabled+0x48/0x280
[  275.749641]  ? __lock_is_held+0xb5/0x140
[  275.753706]  __alloc_pages_nodemask+0xa80/0xde0
[  275.758369]  ? zap_class+0x640/0x640
[  275.762081]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  275.767102]  ? find_held_lock+0x36/0x1c0
[  275.771184]  ? ____cache_alloc_node+0x1c7/0x1e0
[  275.775853]  ? lock_downgrade+0x900/0x900
[  275.780006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.785541]  cache_grow_begin+0xa5/0x8c0
[  275.789595]  ? do_raw_spin_unlock+0xa7/0x330
[  275.794003]  fallback_alloc+0x204/0x2e0
[  275.797976]  ____cache_alloc_node+0x1c7/0x1e0
[  275.802963]  kmem_cache_alloc_node+0xe3/0x730
[  275.807454]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.811696]  __alloc_skb+0x119/0x770
[  275.815403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.820764]  ? netdev_alloc_frag+0x1f0/0x1f0
[  275.825171]  ? lock_downgrade+0x900/0x900
[  275.829337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.834872]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.840328]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.845773]  ? addrconf_rs_timer+0x690/0x690
[  275.850187]  ndisc_alloc_skb+0x144/0x340
[  275.854245]  ndisc_send_rs+0x331/0x6e0
[  275.858130]  addrconf_rs_timer+0x314/0x690
[  275.862362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.866603]  call_timer_fn+0x272/0x920
[  275.870491]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.874720]  ? process_timeout+0x40/0x40
[  275.878784]  ? mark_held_locks+0xc7/0x130
[  275.882942]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.887446]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.891936]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.896169]  ? lockdep_hardirqs_on+0x296/0x5b0
[  275.900745]  ? trace_hardirqs_on+0xbd/0x310
[  275.905063]  ? kasan_check_read+0x11/0x20
[  275.909205]  ? __run_timers+0x7da/0xc70
[  275.913178]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.918280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.922521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.926747]  __run_timers+0x7e5/0xc70
[  275.930550]  ? timer_fixup_init+0x70/0x70
[  275.934693]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  275.939707]  ? zap_class+0x640/0x640
[  275.943418]  ? print_usage_bug+0xc0/0xc0
[  275.947480]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  275.952669]  ? find_held_lock+0x36/0x1c0
[  275.956731]  ? zap_class+0x640/0x640
[  275.960447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.965978]  ? check_preemption_disabled+0x48/0x280
[  275.971001]  ? __lock_is_held+0xb5/0x140
[  275.975058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.980592]  ? check_preemption_disabled+0x48/0x280
[  275.985605]  run_timer_softirq+0x52/0xb0
[  275.989663]  ? rcu_read_lock_sched_held+0x14f/0x180
[  275.994672]  __do_softirq+0x308/0xb7e
[  275.998474]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  276.002960]  ? lock_downgrade+0x900/0x900
[  276.007105]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  276.012211]  ? pvclock_read_flags+0x160/0x160
[  276.016704]  ? lapic_next_event+0x5a/0x90
[  276.020853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.026391]  ? kvm_clock_read+0x18/0x30
[  276.030358]  ? kvm_sched_clock_read+0x9/0x20
[  276.034763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.040302]  ? check_preemption_disabled+0x48/0x280
[  276.045330]  irq_exit+0x17f/0x1c0
[  276.048778]  smp_apic_timer_interrupt+0x1cb/0x760
[  276.053617]  ? smp_reschedule_interrupt+0x109/0x650
[  276.058631]  ? smp_call_function_single_interrupt+0x650/0x650
[  276.064510]  ? interrupt_entry+0xb5/0xc0
[  276.068567]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.073575]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.078587]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.083426]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.088437]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.093445]  ? task_prio+0x50/0x50
[  276.096985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.102522]  ? check_preemption_disabled+0x48/0x280
[  276.107537]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.112402]  apic_timer_interrupt+0xf/0x20
[  276.116629]  </IRQ>
[  276.118863] RIP: 0010:lock_is_held_type+0x18b/0x210
[  276.123876] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  276.142771] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  276.150472] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  276.157734] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  276.164995] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  276.172260] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  276.179534] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  276.186831]  rcu_read_lock_held+0xa9/0xc0
[  276.190975]  css_next_child+0x2a2/0x620
[  276.194953]  ? cgroup_mount+0xd30/0xd30
[  276.198934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.204469]  ? check_preemption_disabled+0x48/0x280
[  276.209488]  ? __lock_is_held+0xb5/0x140
[  276.213553]  css_next_descendant_pre+0xeb/0x190
[  276.218223]  mem_cgroup_iter+0x42f/0x1160
[  276.222367]  ? kasan_check_write+0x14/0x20
[  276.226603]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  276.231356]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  276.236377]  ? shrink_slab+0xfa/0x8c0
[  276.240170]  ? shrink_active_list+0x1f00/0x1f00
[  276.244842]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  276.250480]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  276.255586]  ? cgroup_procs_write_finish+0xf0/0xf0
[  276.260516]  ? find_held_lock+0x36/0x1c0
[  276.264577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.270106]  ? vmpressure+0x1a2/0x340
[  276.273917]  shrink_node+0x516/0x16b0
[  276.277713]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  276.283005]  ? shrink_node_memcg+0x18f0/0x18f0
[  276.287585]  ? kvm_clock_read+0x18/0x30
[  276.291558]  ? ktime_get+0x2c1/0x400
[  276.295278]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  276.299770]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  276.305308]  ? __cpuset_node_allowed+0x19b/0x660
[  276.310060]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  276.315767]  ? delayacct_end+0x5a/0x100
[  276.319745]  do_try_to_free_pages+0x3e7/0x1290
[  276.324322]  ? zap_class+0x640/0x640
[  276.328044]  ? shrink_node+0x16b0/0x16b0
[  276.332099]  ? __lock_is_held+0xb5/0x140
[  276.336166]  try_to_free_pages+0x4d0/0xb90
[  276.340401]  ? do_try_to_free_pages+0x1290/0x1290
[  276.345247]  ? lock_acquire+0x1ed/0x520
[  276.349224]  ? set_page_refcounted+0x280/0x280
[  276.353809]  ? lock_release+0xa00/0xa00
[  276.357778]  ? _raw_spin_unlock_irq+0x60/0x80
[  276.362280]  ? psi_memstall_enter+0x240/0x2b0
[  276.366769]  ? psi_memstall_tick+0x230/0x230
[  276.371186]  __alloc_pages_slowpath+0xa14/0x2e10
[  276.375964]  ? warn_alloc+0x120/0x120
[  276.379759]  ? mark_held_locks+0x130/0x130
[  276.383994]  ? find_get_entry+0xaae/0x1120
[  276.388231]  ? filemap_map_pages+0x1a20/0x1a20
[  276.392826]  ? zap_class+0x640/0x640
[  276.396542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.402075]  ? check_preemption_disabled+0x48/0x280
[  276.407090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.412619]  ? should_fail+0x22d/0xd01
[  276.416509]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.421609]  ? zap_class+0x640/0x640
[  276.425337]  ? __lock_is_held+0xb5/0x140
[  276.429402]  ? mark_held_locks+0x130/0x130
[  276.433633]  ? lock_release+0xa00/0xa00
[  276.437604]  ? perf_trace_sched_process_exec+0x860/0x860
[  276.443052]  ? xa_load+0x2ba/0x460
[  276.446590]  ? lock_downgrade+0x900/0x900
[  276.450737]  ? __might_sleep+0x95/0x190
[  276.454710]  __alloc_pages_nodemask+0xa80/0xde0
[  276.459382]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  276.464644]  ? __page_cache_alloc+0x191/0x5c0
[  276.469135]  ? xa_load+0x2e1/0x460
[  276.472674]  ? xa_clear_mark+0x40/0x40
[  276.476557]  ? zap_class+0x640/0x640
[  276.480289]  ? zap_class+0x640/0x640
[  276.484001]  ? zap_class+0x640/0x640
[  276.487714]  ? __do_page_cache_readahead+0x663/0x810
[  276.492818]  ? find_held_lock+0x36/0x1c0
[  276.496878]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  276.502418]  alloc_pages_current+0x173/0x350
[  276.506831]  __page_cache_alloc+0x38c/0x5c0
[  276.511145]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.516066]  ? kasan_check_read+0x11/0x20
[  276.520206]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.525480]  ? generic_perform_write+0x6a0/0x6a0
[  276.530234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.535772]  ? check_preemption_disabled+0x48/0x280
[  276.540802]  filemap_fault+0x1595/0x25f0
[  276.544871]  ? __lock_page_or_retry+0xa00/0xa00
[  276.549539]  ? mark_held_locks+0x130/0x130
[  276.553778]  ? filemap_map_pages+0xd6b/0x1a20
[  276.558282]  ? lock_downgrade+0x900/0x900
[  276.562438]  ? check_preemption_disabled+0x48/0x280
[  276.567458]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.572382]  ? kasan_check_read+0x11/0x20
[  276.576525]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.581800]  ? rcu_softirq_qs+0x20/0x20
[  276.585795]  ? filemap_map_pages+0xd92/0x1a20
[  276.590290]  ? print_usage_bug+0xc0/0xc0
[  276.594356]  ? find_get_entries_tag+0x1400/0x1400
[  276.599192]  ? __kasan_slab_free+0x102/0x150
[  276.603594]  ? kasan_slab_free+0xe/0x10
[  276.607565]  ? kmem_cache_free+0x83/0x290
[  276.611708]  ? __sigqueue_free.part.29+0x74/0x90
[  276.616476]  ? lock_acquire+0x1ed/0x520
[  276.620447]  ? ext4_filemap_fault+0x7a/0xad
[  276.624769]  ? lock_release+0xa00/0xa00
[  276.628743]  ? perf_trace_sched_process_exec+0x860/0x860
[  276.634195]  ? print_usage_bug+0xc0/0xc0
[  276.638259]  ? print_usage_bug+0xc0/0xc0
[  276.642325]  ? down_read+0x8d/0x120
[  276.645944]  ? ext4_filemap_fault+0x7a/0xad
[  276.650269]  ? __down_interruptible+0x700/0x700
[  276.654942]  ext4_filemap_fault+0x82/0xad
[  276.659086]  __do_fault+0x100/0x6b0
[  276.662716]  ? pmd_devmap_trans_unstable+0x220/0x220
[  276.667817]  ? mark_held_locks+0x130/0x130
[  276.672049]  ? mark_held_locks+0x130/0x130
[  276.676295]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  276.681828]  ? rcu_pm_notify+0xc0/0xc0
[  276.685723]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.691273]  __handle_mm_fault+0x3ea0/0x5be0
[  276.695691]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  276.700531]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.705029]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  276.709609]  ? trace_hardirqs_on+0xbd/0x310
[  276.713926]  ? kasan_check_read+0x11/0x20
[  276.718068]  ? __set_current_blocked+0xdf/0x120
[  276.722740]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.727852]  ? zap_class+0x640/0x640
[  276.731558]  ? zap_class+0x640/0x640
[  276.735272]  ? find_held_lock+0x36/0x1c0
[  276.739341]  ? handle_mm_fault+0x42a/0xc70
[  276.743583]  ? lock_downgrade+0x900/0x900
[  276.747731]  ? check_preemption_disabled+0x48/0x280
[  276.752746]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.757672]  ? kasan_check_read+0x11/0x20
[  276.761817]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.767089]  ? rcu_softirq_qs+0x20/0x20
[  276.771058]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.776165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.781698]  ? check_preemption_disabled+0x48/0x280
[  276.786714]  handle_mm_fault+0x54f/0xc70
[  276.790778]  ? __handle_mm_fault+0x5be0/0x5be0
[  276.795362]  ? find_vma+0x34/0x190
[  276.799078]  __do_page_fault+0x5e8/0xe60
[  276.803138]  ? exit_to_usermode_loop+0x1f4/0x380
[  276.807895]  do_page_fault+0xf2/0x7e0
[  276.811693]  ? vmalloc_sync_all+0x30/0x30
[  276.815837]  ? error_entry+0x70/0xd0
[  276.819549]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.824559]  ? trace_hardirqs_on_caller+0xc0/0x310
[  276.829488]  ? syscall_return_slowpath+0x5e0/0x5e0
[  276.834412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.839258]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.844268]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  276.849717]  ? prepare_exit_to_usermode+0x291/0x3b0
[  276.854726]  ? page_fault+0x8/0x30
[  276.858268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.863111]  ? page_fault+0x8/0x30
[  276.866651]  page_fault+0x1e/0x30
[  276.870100] RIP: 0033:0x45db60
[  276.873298] Code: Bad RIP value.
[  276.876658] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  276.882016] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  276.889281] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  276.896550] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  276.903815] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  276.911077] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  276.918363] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  276.918422] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  276.925113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  276.925118] Call Trace:
[  276.925138]  dump_stack+0x244/0x39d
[  276.925156]  ? dump_stack_print_info.cold.1+0x20/0x20
[  276.931668] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.940972]  warn_alloc.cold.116+0xb7/0x1bd
[  276.943524] syz-fuzzer cpuset=/ mems_allowed=0
[  276.947139]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  276.976196]  ? lock_downgrade+0x900/0x900
[  276.980352]  ? trace_hardirqs_off+0xb8/0x310
[  276.984765]  ? trace_hardirqs_off+0xb8/0x310
[  276.989178]  __alloc_pages_slowpath+0x26e8/0x2e10
[  276.994046]  ? warn_alloc+0x120/0x120
[  276.997844]  ? print_usage_bug+0xc0/0xc0
[  277.001903]  ? warn_alloc+0x120/0x120
[  277.005706]  ? warn_alloc+0x120/0x120
[  277.009501]  ? print_usage_bug+0xc0/0xc0
[  277.013559]  ? print_usage_bug+0xc0/0xc0
[  277.017614]  ? __lock_acquire+0x62f/0x4c20
[  277.021851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.027382]  ? should_fail+0x22d/0xd01
[  277.031271]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.036369]  ? __lock_acquire+0x62f/0x4c20
[  277.040602]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.045701]  ? __lock_acquire+0x62f/0x4c20
[  277.049927]  ? should_fail+0x22d/0xd01
[  277.053810]  ? find_held_lock+0x36/0x1c0
[  277.057875]  ? mark_held_locks+0x130/0x130
[  277.062107]  ? mark_held_locks+0x130/0x130
[  277.066340]  ? zap_class+0x640/0x640
[  277.070074]  ? mark_held_locks+0xc7/0x130
[  277.074220]  ? do_raw_spin_unlock+0xa7/0x330
[  277.078626]  ? zap_class+0x640/0x640
[  277.082346]  ? print_usage_bug+0xc0/0xc0
[  277.086405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.091941]  ? check_preemption_disabled+0x48/0x280
[  277.096960]  ? __lock_is_held+0xb5/0x140
[  277.101020]  __alloc_pages_nodemask+0xa80/0xde0
[  277.105681]  ? zap_class+0x640/0x640
[  277.109394]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  277.114413]  ? find_held_lock+0x36/0x1c0
[  277.118479]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.123145]  ? lock_downgrade+0x900/0x900
[  277.127295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.132832]  cache_grow_begin+0xa5/0x8c0
[  277.136886]  ? do_raw_spin_unlock+0xa7/0x330
[  277.141301]  fallback_alloc+0x204/0x2e0
[  277.145283]  ____cache_alloc_node+0x1c7/0x1e0
[  277.149781]  kmem_cache_alloc_node+0xe3/0x730
[  277.154273]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.158512]  __alloc_skb+0x119/0x770
[  277.162222]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.167501]  ? netdev_alloc_frag+0x1f0/0x1f0
[  277.171903]  ? lock_downgrade+0x900/0x900
[  277.176054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.181597]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.187044]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.192492]  ? addrconf_rs_timer+0x690/0x690
[  277.196908]  ndisc_alloc_skb+0x144/0x340
[  277.200969]  ndisc_send_rs+0x331/0x6e0
[  277.204854]  addrconf_rs_timer+0x314/0x690
[  277.209091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.213329]  call_timer_fn+0x272/0x920
[  277.217242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.221483]  ? process_timeout+0x40/0x40
[  277.225545]  ? __run_timers+0x7da/0xc70
[  277.229515]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.234013]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.238500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.242734]  ? lockdep_hardirqs_on+0x296/0x5b0
[  277.247313]  ? trace_hardirqs_on+0xbd/0x310
[  277.251629]  ? kasan_check_read+0x11/0x20
[  277.255775]  ? __run_timers+0x7da/0xc70
[  277.259745]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.265039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.269456]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.273690]  __run_timers+0x7e5/0xc70
[  277.277509]  ? timer_fixup_init+0x70/0x70
[  277.281654]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.286139]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.290628]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  277.295210]  ? trace_hardirqs_on+0xbd/0x310
[  277.299532]  ? kasan_check_read+0x11/0x20
[  277.303681]  ? finish_task_switch+0x1f4/0x910
[  277.308178]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.313287]  ? compat_start_thread+0x80/0x80
[  277.317707]  ? pvclock_read_flags+0x160/0x160
[  277.322198]  ? __switch_to_asm+0x34/0x70
[  277.326271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.331804]  ? check_preemption_disabled+0x48/0x280
[  277.336823]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  277.342356]  ? rcu_pm_notify+0xc0/0xc0
[  277.346247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.351778]  ? check_preemption_disabled+0x48/0x280
[  277.356794]  run_timer_softirq+0x52/0xb0
[  277.360850]  ? rcu_read_lock_sched_held+0x14f/0x180
[  277.365861]  __do_softirq+0x308/0xb7e
[  277.369663]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  277.374759]  ? smpboot_thread_fn+0x334/0xa00
[  277.379165]  ? schedule+0x108/0x460
[  277.382792]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  277.387550]  ? trace_hardirqs_off+0xb8/0x310
[  277.391956]  ? smpboot_thread_fn+0x68b/0xa00
[  277.396359]  ? trace_hardirqs_on+0x310/0x310
[  277.400766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.406302]  ? check_preemption_disabled+0x48/0x280
[  277.411316]  ? takeover_tasklets+0xa90/0xa90
[  277.415727]  run_ksoftirqd+0x5e/0x100
[  277.419526]  smpboot_thread_fn+0x68b/0xa00
[  277.423763]  ? sort_range+0x30/0x30
[  277.427385]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.432483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.438014]  ? __kthread_parkme+0xfb/0x1a0
[  277.442251]  ? sort_range+0x30/0x30
[  277.445877]  kthread+0x35a/0x440
[  277.449240]  ? kthread_stop+0x900/0x900
[  277.453216]  ret_from_fork+0x3a/0x50
[  277.457119] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  277.457123] warn_alloc_show_mem: 1 callbacks suppressed
[  277.457129] Mem-Info:
[  277.464052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.469414] active_anon:52607 inactive_anon:182 isolated_anon:0
[  277.469414]  active_file:12 inactive_file:11 isolated_file:0
[  277.469414]  unevictable:0 dirty:0 writeback:0 unstable:0
[  277.469414]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  277.469414]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  277.469414]  free:13782 free_pcp:358 free_cma:0
[  277.471787] Call Trace:
[  277.481162] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  277.513997]  <IRQ>
[  277.516559] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  277.544047]  dump_stack+0x244/0x39d
[  277.546174] lowmem_reserve[]: 0 2818 6321 6321
[  277.572275]  ? dump_stack_print_info.cold.1+0x20/0x20
[  277.575871] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  277.580453]  warn_alloc.cold.116+0xb7/0x1bd
[  277.585598] lowmem_reserve[]: 0 0 3503 3503
[  277.613264]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.617558] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  277.621869]  ? lock_downgrade+0x900/0x900
[  277.626685] lowmem_reserve[]: 0 0 0 0
[  277.655919]  ? trace_hardirqs_off+0xb8/0x310
[  277.660036] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  277.663827]  ? trace_hardirqs_off+0xb8/0x310
[  277.668207] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  277.681730]  __alloc_pages_slowpath+0x26e8/0x2e10
[  277.686107] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  277.701290]  ? warn_alloc+0x120/0x120
[  277.706086] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  277.720982]  ? print_usage_bug+0xc0/0xc0
[  277.724766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  277.733584]  ? warn_alloc+0x120/0x120
[  277.737616] 266 total pagecache pages
[  277.746181]  ? warn_alloc+0x120/0x120
[  277.749963] 0 pages in swap cache
[  277.753743]  ? print_usage_bug+0xc0/0xc0
[  277.757519] Swap cache stats: add 0, delete 0, find 0/0
[  277.761041]  ? print_usage_bug+0xc0/0xc0
[  277.765071] Free swap  = 0kB
[  277.770421]  ? __lock_acquire+0x62f/0x4c20
[  277.774453] Total swap = 0kB
[  277.777459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.781663] 1965979 pages RAM
[  277.784669]  ? should_fail+0x22d/0xd01
[  277.790181] 0 pages HighMem/MovableOnly
[  277.793271]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.797127] 342854 pages reserved
[  277.801095]  ? __lock_acquire+0x62f/0x4c20
[  277.806487] 0 pages cma reserved
[  277.809939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.814211] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  277.817494]  ? __lock_acquire+0x62f/0x4c20
[  277.817509]  ? should_fail+0x22d/0xd01
[  277.822660] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  277.829065]  ? find_held_lock+0x36/0x1c0
[  277.833273] ksoftirqd/0 cpuset=/ mems_allowed=0
[  277.837158]  ? mark_held_locks+0x130/0x130
[  277.860367]  ? mark_held_locks+0x130/0x130
[  277.864592]  ? zap_class+0x640/0x640
[  277.868299]  ? zap_class+0x640/0x640
[  277.872015]  ? print_usage_bug+0xc0/0xc0
[  277.876067]  ? do_raw_spin_unlock+0xa7/0x330
[  277.880473]  ? zap_class+0x640/0x640
[  277.884180]  ? print_usage_bug+0xc0/0xc0
[  277.888235]  ? wq_watchdog_touch+0x9c/0xfe
[  277.892467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.897999]  ? check_preemption_disabled+0x48/0x280
[  277.903020]  ? __lock_is_held+0xb5/0x140
[  277.907083]  __alloc_pages_nodemask+0xa80/0xde0
[  277.911747]  ? zap_class+0x640/0x640
[  277.915459]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  277.920481]  ? find_held_lock+0x36/0x1c0
[  277.924548]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.929211]  ? lock_downgrade+0x900/0x900
[  277.933361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.938899]  cache_grow_begin+0xa5/0x8c0
[  277.942957]  ? do_raw_spin_unlock+0xa7/0x330
[  277.947366]  fallback_alloc+0x204/0x2e0
[  277.951339]  ____cache_alloc_node+0x1c7/0x1e0
[  277.955837]  kmem_cache_alloc_node+0xe3/0x730
[  277.960327]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.964569]  __alloc_skb+0x119/0x770
[  277.968276]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.973557]  ? netdev_alloc_frag+0x1f0/0x1f0
[  277.977957]  ? lock_downgrade+0x900/0x900
[  277.982107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.987646]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.993096]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.998545]  ? addrconf_rs_timer+0x690/0x690
[  278.002955]  ndisc_alloc_skb+0x144/0x340
[  278.007014]  ndisc_send_rs+0x331/0x6e0
[  278.010899]  addrconf_rs_timer+0x314/0x690
[  278.015139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.019379]  call_timer_fn+0x272/0x920
[  278.023264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.027496]  ? process_timeout+0x40/0x40
[  278.031572]  ? mark_held_locks+0xc7/0x130
[  278.035715]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.040207]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.044698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.048929]  ? lockdep_hardirqs_on+0x296/0x5b0
[  278.053505]  ? trace_hardirqs_on+0xbd/0x310
[  278.057824]  ? kasan_check_read+0x11/0x20
[  278.061965]  ? __run_timers+0x7da/0xc70
[  278.065934]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.071039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.075292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.079524]  __run_timers+0x7e5/0xc70
[  278.083326]  ? timer_fixup_init+0x70/0x70
[  278.087468]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  278.092479]  ? zap_class+0x640/0x640
[  278.096191]  ? print_usage_bug+0xc0/0xc0
[  278.100250]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  278.105442]  ? find_held_lock+0x36/0x1c0
[  278.109502]  ? zap_class+0x640/0x640
[  278.113218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.118748]  ? check_preemption_disabled+0x48/0x280
[  278.123778]  ? __lock_is_held+0xb5/0x140
[  278.127837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.133373]  ? check_preemption_disabled+0x48/0x280
[  278.138387]  run_timer_softirq+0x52/0xb0
[  278.142442]  ? rcu_read_lock_sched_held+0x14f/0x180
[  278.147459]  __do_softirq+0x308/0xb7e
[  278.151263]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  278.155750]  ? lock_downgrade+0x900/0x900
[  278.159899]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  278.165007]  ? pvclock_read_flags+0x160/0x160
[  278.169497]  ? lapic_next_event+0x5a/0x90
[  278.173646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.179181]  ? kvm_clock_read+0x18/0x30
[  278.183151]  ? kvm_sched_clock_read+0x9/0x20
[  278.187553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.193087]  ? check_preemption_disabled+0x48/0x280
[  278.198203]  irq_exit+0x17f/0x1c0
[  278.201659]  smp_apic_timer_interrupt+0x1cb/0x760
[  278.206497]  ? smp_reschedule_interrupt+0x109/0x650
[  278.211511]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.217390]  ? interrupt_entry+0xb5/0xc0
[  278.221448]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.226459]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.231471]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.236308]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.241316]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.246326]  ? task_prio+0x50/0x50
[  278.249863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.255392]  ? check_preemption_disabled+0x48/0x280
[  278.260406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.265249]  apic_timer_interrupt+0xf/0x20
[  278.269473]  </IRQ>
[  278.271705] RIP: 0010:lock_is_held_type+0x18b/0x210
[  278.276722] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  278.295615] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  278.303321] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  278.310581] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  278.317849] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  278.325117] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  278.332378] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  278.339667]  rcu_read_lock_held+0xa9/0xc0
[  278.343808]  css_next_child+0x2a2/0x620
[  278.347787]  ? cgroup_mount+0xd30/0xd30
[  278.351761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.357292]  ? check_preemption_disabled+0x48/0x280
[  278.362315]  ? __lock_is_held+0xb5/0x140
[  278.366388]  css_next_descendant_pre+0xeb/0x190
[  278.371058]  mem_cgroup_iter+0x42f/0x1160
[  278.375211]  ? kasan_check_write+0x14/0x20
[  278.379546]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  278.384296]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  278.389309]  ? shrink_slab+0xfa/0x8c0
[  278.393109]  ? shrink_active_list+0x1f00/0x1f00
[  278.397783]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  278.403407]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  278.408512]  ? cgroup_procs_write_finish+0xf0/0xf0
[  278.413440]  ? find_held_lock+0x36/0x1c0
[  278.417498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.423027]  ? vmpressure+0x1a2/0x340
[  278.426828]  shrink_node+0x516/0x16b0
[  278.430634]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  278.435925]  ? shrink_node_memcg+0x18f0/0x18f0
[  278.440508]  ? kvm_clock_read+0x18/0x30
[  278.444479]  ? ktime_get+0x2c1/0x400
[  278.448194]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  278.452685]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  278.458215]  ? __cpuset_node_allowed+0x19b/0x660
[  278.462968]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  278.468676]  ? delayacct_end+0x5a/0x100
[  278.472652]  do_try_to_free_pages+0x3e7/0x1290
[  278.477225]  ? zap_class+0x640/0x640
[  278.480946]  ? shrink_node+0x16b0/0x16b0
[  278.485006]  ? __lock_is_held+0xb5/0x140
[  278.489072]  try_to_free_pages+0x4d0/0xb90
[  278.493316]  ? do_try_to_free_pages+0x1290/0x1290
[  278.498176]  ? lock_acquire+0x1ed/0x520
[  278.502143]  ? set_page_refcounted+0x280/0x280
[  278.506727]  ? lock_release+0xa00/0xa00
[  278.510696]  ? _raw_spin_unlock_irq+0x60/0x80
[  278.515185]  ? psi_memstall_enter+0x240/0x2b0
[  278.519677]  ? psi_memstall_tick+0x230/0x230
[  278.524096]  __alloc_pages_slowpath+0xa14/0x2e10
[  278.528869]  ? warn_alloc+0x120/0x120
[  278.532663]  ? mark_held_locks+0x130/0x130
[  278.536895]  ? find_get_entry+0xaae/0x1120
[  278.541135]  ? filemap_map_pages+0x1a20/0x1a20
[  278.545723]  ? zap_class+0x640/0x640
[  278.549439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.554973]  ? check_preemption_disabled+0x48/0x280
[  278.559983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.565512]  ? should_fail+0x22d/0xd01
[  278.569397]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.576492]  ? zap_class+0x640/0x640
[  278.580224]  ? __lock_is_held+0xb5/0x140
[  278.584288]  ? mark_held_locks+0x130/0x130
[  278.588519]  ? lock_release+0xa00/0xa00
[  278.592493]  ? perf_trace_sched_process_exec+0x860/0x860
[  278.597942]  ? xa_load+0x2ba/0x460
[  278.601476]  ? lock_downgrade+0x900/0x900
[  278.605625]  ? __might_sleep+0x95/0x190
[  278.609603]  __alloc_pages_nodemask+0xa80/0xde0
[  278.614276]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  278.619290]  ? __page_cache_alloc+0x191/0x5c0
[  278.623778]  ? xa_load+0x2e1/0x460
[  278.627313]  ? xa_clear_mark+0x40/0x40
[  278.631198]  ? zap_class+0x640/0x640
[  278.634916]  ? zap_class+0x640/0x640
[  278.638625]  ? zap_class+0x640/0x640
[  278.642337]  ? __do_page_cache_readahead+0x663/0x810
[  278.647445]  ? find_held_lock+0x36/0x1c0
[  278.651505]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  278.657041]  alloc_pages_current+0x173/0x350
[  278.661456]  __page_cache_alloc+0x38c/0x5c0
[  278.665770]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.670693]  ? kasan_check_read+0x11/0x20
[  278.674835]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.680108]  ? generic_perform_write+0x6a0/0x6a0
[  278.684858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.690391]  ? check_preemption_disabled+0x48/0x280
[  278.695408]  filemap_fault+0x1595/0x25f0
[  278.699476]  ? __lock_page_or_retry+0xa00/0xa00
[  278.704141]  ? mark_held_locks+0x130/0x130
[  278.708381]  ? filemap_map_pages+0xd6b/0x1a20
[  278.712869]  ? lock_downgrade+0x900/0x900
[  278.717009]  ? check_preemption_disabled+0x48/0x280
[  278.722022]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.726942]  ? kasan_check_read+0x11/0x20
[  278.731087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.736359]  ? rcu_softirq_qs+0x20/0x20
[  278.740343]  ? filemap_map_pages+0xd92/0x1a20
[  278.744840]  ? print_usage_bug+0xc0/0xc0
[  278.748899]  ? find_get_entries_tag+0x1400/0x1400
[  278.753739]  ? __kasan_slab_free+0x102/0x150
[  278.758141]  ? kasan_slab_free+0xe/0x10
[  278.762107]  ? kmem_cache_free+0x83/0x290
[  278.766252]  ? __sigqueue_free.part.29+0x74/0x90
[  278.771017]  ? lock_acquire+0x1ed/0x520
[  278.774986]  ? ext4_filemap_fault+0x7a/0xad
[  278.779312]  ? lock_release+0xa00/0xa00
[  278.783279]  ? perf_trace_sched_process_exec+0x860/0x860
[  278.788724]  ? print_usage_bug+0xc0/0xc0
[  278.792781]  ? print_usage_bug+0xc0/0xc0
[  278.796849]  ? down_read+0x8d/0x120
[  278.800468]  ? ext4_filemap_fault+0x7a/0xad
[  278.804788]  ? __down_interruptible+0x700/0x700
[  278.809464]  ext4_filemap_fault+0x82/0xad
[  278.813609]  __do_fault+0x100/0x6b0
[  278.817235]  ? pmd_devmap_trans_unstable+0x220/0x220
[  278.822333]  ? mark_held_locks+0x130/0x130
[  278.826566]  ? mark_held_locks+0x130/0x130
[  278.830802]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  278.836336]  ? rcu_pm_notify+0xc0/0xc0
[  278.840223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.845757]  __handle_mm_fault+0x3ea0/0x5be0
[  278.850167]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  278.855004]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.859494]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  278.864080]  ? trace_hardirqs_on+0xbd/0x310
[  278.868394]  ? kasan_check_read+0x11/0x20
[  278.872537]  ? __set_current_blocked+0xdf/0x120
[  278.877204]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.882313]  ? zap_class+0x640/0x640
[  278.886019]  ? zap_class+0x640/0x640
[  278.889736]  ? find_held_lock+0x36/0x1c0
[  278.893802]  ? handle_mm_fault+0x42a/0xc70
[  278.898036]  ? lock_downgrade+0x900/0x900
[  278.902186]  ? check_preemption_disabled+0x48/0x280
[  278.907197]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.912121]  ? kasan_check_read+0x11/0x20
[  278.916266]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.921536]  ? rcu_softirq_qs+0x20/0x20
[  278.925509]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.930607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.936143]  ? check_preemption_disabled+0x48/0x280
[  278.941167]  handle_mm_fault+0x54f/0xc70
[  278.945225]  ? __handle_mm_fault+0x5be0/0x5be0
[  278.949805]  ? find_vma+0x34/0x190
[  278.953341]  __do_page_fault+0x5e8/0xe60
[  278.957401]  ? exit_to_usermode_loop+0x1f4/0x380
[  278.962160]  do_page_fault+0xf2/0x7e0
[  278.965957]  ? vmalloc_sync_all+0x30/0x30
[  278.970097]  ? error_entry+0x70/0xd0
[  278.973806]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.978813]  ? trace_hardirqs_on_caller+0xc0/0x310
[  278.983736]  ? syscall_return_slowpath+0x5e0/0x5e0
[  278.988659]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.993495]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.998504]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  279.004233]  ? prepare_exit_to_usermode+0x291/0x3b0
[  279.009248]  ? page_fault+0x8/0x30
[  279.012784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.017631]  ? page_fault+0x8/0x30
[  279.021169]  page_fault+0x1e/0x30
[  279.024616] RIP: 0033:0x45db60
[  279.027818] Code: Bad RIP value.
[  279.031180] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  279.036536] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  279.043801] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  279.051063] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  279.058325] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  279.065589] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  279.072885] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  279.072945] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.079630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.079637] Call Trace:
[  279.086183] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.095456]  dump_stack+0x244/0x39d
[  279.098012] syz-fuzzer cpuset=/ mems_allowed=0
[  279.108228]  ? dump_stack_print_info.cold.1+0x20/0x20
[  279.121579]  warn_alloc.cold.116+0xb7/0x1bd
[  279.125897]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.130736]  ? lock_downgrade+0x900/0x900
[  279.134883]  ? trace_hardirqs_off+0xb8/0x310
[  279.139294]  ? trace_hardirqs_off+0xb8/0x310
[  279.143709]  __alloc_pages_slowpath+0x26e8/0x2e10
[  279.148572]  ? warn_alloc+0x120/0x120
[  279.152464]  ? print_usage_bug+0xc0/0xc0
[  279.157399]  ? warn_alloc+0x120/0x120
[  279.161201]  ? warn_alloc+0x120/0x120
[  279.164998]  ? print_usage_bug+0xc0/0xc0
[  279.169077]  ? print_usage_bug+0xc0/0xc0
[  279.173133]  ? __lock_acquire+0x62f/0x4c20
[  279.177366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.182898]  ? should_fail+0x22d/0xd01
[  279.186781]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.191878]  ? __lock_acquire+0x62f/0x4c20
[  279.196116]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.201212]  ? __lock_acquire+0x62f/0x4c20
[  279.205437]  ? should_fail+0x22d/0xd01
[  279.209317]  ? find_held_lock+0x36/0x1c0
[  279.213379]  ? mark_held_locks+0x130/0x130
[  279.217617]  ? mark_held_locks+0x130/0x130
[  279.221843]  ? zap_class+0x640/0x640
[  279.225574]  ? mark_held_locks+0xc7/0x130
[  279.229715]  ? do_raw_spin_unlock+0xa7/0x330
[  279.234117]  ? zap_class+0x640/0x640
[  279.237824]  ? print_usage_bug+0xc0/0xc0
[  279.241883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.247423]  ? check_preemption_disabled+0x48/0x280
[  279.252441]  ? __lock_is_held+0xb5/0x140
[  279.256501]  __alloc_pages_nodemask+0xa80/0xde0
[  279.261174]  ? zap_class+0x640/0x640
[  279.264888]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  279.269907]  ? find_held_lock+0x36/0x1c0
[  279.273973]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.278641]  ? lock_downgrade+0x900/0x900
[  279.282787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.288321]  cache_grow_begin+0xa5/0x8c0
[  279.292383]  ? do_raw_spin_unlock+0xa7/0x330
[  279.296790]  fallback_alloc+0x204/0x2e0
[  279.300766]  ____cache_alloc_node+0x1c7/0x1e0
[  279.305259]  kmem_cache_alloc_node+0xe3/0x730
[  279.309750]  ? ipv6_get_ifaddr+0x42e/0x620
[  279.313988]  __alloc_skb+0x119/0x770
[  279.317700]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.322974]  ? netdev_alloc_frag+0x1f0/0x1f0
[  279.327375]  ? lock_downgrade+0x900/0x900
[  279.331523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.337058]  ? refcount_sub_and_test_checked+0x203/0x310
[  279.342504]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  279.347947]  ? addrconf_rs_timer+0x690/0x690
[  279.352367]  ndisc_alloc_skb+0x144/0x340
[  279.356429]  ndisc_send_rs+0x331/0x6e0
[  279.360318]  addrconf_rs_timer+0x314/0x690
[  279.364551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.368793]  call_timer_fn+0x272/0x920
[  279.372680]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.376911]  ? process_timeout+0x40/0x40
[  279.380976]  ? __run_timers+0x7da/0xc70
[  279.384952]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.389437]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.393921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.398155]  ? lockdep_hardirqs_on+0x296/0x5b0
[  279.402736]  ? trace_hardirqs_on+0xbd/0x310
[  279.407058]  ? kasan_check_read+0x11/0x20
[  279.411199]  ? __run_timers+0x7da/0xc70
[  279.415173]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.420276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.424510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.428752]  __run_timers+0x7e5/0xc70
[  279.432558]  ? timer_fixup_init+0x70/0x70
[  279.436700]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.441203]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.445706]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  279.450284]  ? trace_hardirqs_on+0xbd/0x310
[  279.454598]  ? kasan_check_read+0x11/0x20
[  279.458739]  ? finish_task_switch+0x1f4/0x910
[  279.463231]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.468329]  ? compat_start_thread+0x80/0x80
[  279.472751]  ? pvclock_read_flags+0x160/0x160
[  279.477239]  ? __switch_to_asm+0x34/0x70
[  279.481296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.486835]  ? check_preemption_disabled+0x48/0x280
[  279.491853]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  279.497388]  ? rcu_pm_notify+0xc0/0xc0
[  279.501275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.506810]  ? check_preemption_disabled+0x48/0x280
[  279.511831]  run_timer_softirq+0x52/0xb0
[  279.515886]  ? rcu_read_lock_sched_held+0x14f/0x180
[  279.520895]  __do_softirq+0x308/0xb7e
[  279.524702]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  279.529824]  ? smpboot_thread_fn+0x334/0xa00
[  279.534230]  ? schedule+0x108/0x460
[  279.537855]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.542613]  ? trace_hardirqs_off+0xb8/0x310
[  279.547023]  ? smpboot_thread_fn+0x68b/0xa00
[  279.551433]  ? trace_hardirqs_on+0x310/0x310
[  279.555839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.561375]  ? check_preemption_disabled+0x48/0x280
[  279.566385]  ? takeover_tasklets+0xa90/0xa90
[  279.570787]  run_ksoftirqd+0x5e/0x100
[  279.574580]  smpboot_thread_fn+0x68b/0xa00
[  279.578817]  ? sort_range+0x30/0x30
[  279.582436]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.587536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.593069]  ? __kthread_parkme+0xfb/0x1a0
[  279.597304]  ? sort_range+0x30/0x30
[  279.600926]  kthread+0x35a/0x440
[  279.604290]  ? kthread_stop+0x900/0x900
[  279.608260]  ret_from_fork+0x3a/0x50
[  279.611993] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  279.611998] warn_alloc_show_mem: 1 callbacks suppressed
[  279.612004] Mem-Info:
[  279.618929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.624290] active_anon:52607 inactive_anon:182 isolated_anon:0
[  279.624290]  active_file:12 inactive_file:11 isolated_file:0
[  279.624290]  unevictable:0 dirty:0 writeback:0 unstable:0
[  279.624290]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  279.624290]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  279.624290]  free:13782 free_pcp:358 free_cma:0
[  279.626659] Call Trace:
[  279.636510] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  279.669355]  <IRQ>
[  279.671917] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  279.699497]  dump_stack+0x244/0x39d
[  279.701610] lowmem_reserve[]: 0 2818 6321 6321
[  279.727708]  ? dump_stack_print_info.cold.1+0x20/0x20
[  279.731305] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  279.735884]  warn_alloc.cold.116+0xb7/0x1bd
[  279.741033] lowmem_reserve[]: 0 0 3503 3503
[  279.768709]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.773000] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  279.777311]  ? lock_downgrade+0x900/0x900
[  279.782122] lowmem_reserve[]: 0 0 0 0
[  279.811590]  ? trace_hardirqs_off+0xb8/0x310
[  279.815706] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  279.819500]  ? trace_hardirqs_off+0xb8/0x310
[  279.823880] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  279.837398]  __alloc_pages_slowpath+0x26e8/0x2e10
[  279.841777] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  279.856970]  ? warn_alloc+0x120/0x120
[  279.861759] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  279.876656]  ? print_usage_bug+0xc0/0xc0
[  279.880433] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  279.889246]  ? warn_alloc+0x120/0x120
[  279.893282] 266 total pagecache pages
[  279.901842]  ? warn_alloc+0x120/0x120
[  279.905627] 0 pages in swap cache
[  279.909415]  ? print_usage_bug+0xc0/0xc0
[  279.913189] Swap cache stats: add 0, delete 0, find 0/0
[  279.916623]  ? kvm_clock_read+0x18/0x30
[  279.920655] Free swap  = 0kB
[  279.926000]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  279.926015]  ? print_usage_bug+0xc0/0xc0
[  279.929972] Total swap = 0kB
[  279.932985]  ? __lock_acquire+0x62f/0x4c20
[  279.937980] 1965979 pages RAM
[  279.942032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.945022] 0 pages HighMem/MovableOnly
[  279.949245]  ? should_fail+0x22d/0xd01
[  279.952319] 342854 pages reserved
[  279.957842]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.961787] 0 pages cma reserved
[  279.965659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.969148] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.974350]  ? __lock_acquire+0x62f/0x4c20
[  279.974366]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.974381]  ? __lock_acquire+0x62f/0x4c20
[  279.977772] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.982811]  ? should_fail+0x22d/0xd01
[  279.989274] ksoftirqd/0 cpuset=/ mems_allowed=0
[  279.993499]  ? rcu_irq_exit+0x1a2/0x390
[  280.025573]  ? mark_held_locks+0x130/0x130
[  280.029807]  ? mark_held_locks+0x130/0x130
[  280.034045]  ? mark_held_locks+0xc7/0x130
[  280.038186]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  280.043199]  ? zap_class+0x640/0x640
[  280.046905]  ? print_usage_bug+0xc0/0xc0
[  280.050973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.056512]  ? check_preemption_disabled+0x48/0x280
[  280.061531]  ? __lock_is_held+0xb5/0x140
[  280.065592]  __alloc_pages_nodemask+0xa80/0xde0
[  280.070255]  ? zap_class+0x640/0x640
[  280.074016]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  280.079037]  ? find_held_lock+0x36/0x1c0
[  280.083106]  ? ____cache_alloc_node+0x1c7/0x1e0
[  280.087773]  ? lock_downgrade+0x900/0x900
[  280.091923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.097471]  cache_grow_begin+0xa5/0x8c0
[  280.101535]  ? do_raw_spin_unlock+0xa7/0x330
[  280.105954]  fallback_alloc+0x204/0x2e0
[  280.109931]  ____cache_alloc_node+0x1c7/0x1e0
[  280.114434]  kmem_cache_alloc_node+0xe3/0x730
[  280.118922]  ? ipv6_get_ifaddr+0x42e/0x620
[  280.123167]  __alloc_skb+0x119/0x770
[  280.126878]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.132334]  ? netdev_alloc_frag+0x1f0/0x1f0
[  280.136742]  ? lock_downgrade+0x900/0x900
[  280.140892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.146424]  ? refcount_sub_and_test_checked+0x203/0x310
[  280.151874]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  280.157324]  ? addrconf_rs_timer+0x690/0x690
[  280.161746]  ndisc_alloc_skb+0x144/0x340
[  280.165806]  ndisc_send_rs+0x331/0x6e0
[  280.169693]  addrconf_rs_timer+0x314/0x690
[  280.173928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.178177]  call_timer_fn+0x272/0x920
[  280.182147]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.186375]  ? process_timeout+0x40/0x40
[  280.190446]  ? mark_held_locks+0xc7/0x130
[  280.194599]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.199087]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.203574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.207802]  ? lockdep_hardirqs_on+0x296/0x5b0
[  280.212386]  ? trace_hardirqs_on+0xbd/0x310
[  280.216706]  ? kasan_check_read+0x11/0x20
[  280.220850]  ? __run_timers+0x7da/0xc70
[  280.224822]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.229928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.234171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.238400]  __run_timers+0x7e5/0xc70
[  280.242204]  ? timer_fixup_init+0x70/0x70
[  280.246350]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  280.251359]  ? zap_class+0x640/0x640
[  280.255075]  ? print_usage_bug+0xc0/0xc0
[  280.259134]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  280.264327]  ? find_held_lock+0x36/0x1c0
[  280.268387]  ? zap_class+0x640/0x640
[  280.272101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.280150]  ? check_preemption_disabled+0x48/0x280
[  280.285170]  ? __lock_is_held+0xb5/0x140
[  280.289224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.294759]  ? check_preemption_disabled+0x48/0x280
[  280.299776]  run_timer_softirq+0x52/0xb0
[  280.303839]  ? rcu_read_lock_sched_held+0x14f/0x180
[  280.308852]  __do_softirq+0x308/0xb7e
[  280.312652]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  280.317140]  ? lock_downgrade+0x900/0x900
[  280.321288]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  280.326401]  ? pvclock_read_flags+0x160/0x160
[  280.330891]  ? lapic_next_event+0x5a/0x90
[  280.335042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.340578]  ? kvm_clock_read+0x18/0x30
[  280.344549]  ? kvm_sched_clock_read+0x9/0x20
[  280.348958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.354490]  ? check_preemption_disabled+0x48/0x280
[  280.359511]  irq_exit+0x17f/0x1c0
[  280.362966]  smp_apic_timer_interrupt+0x1cb/0x760
[  280.367891]  ? smp_reschedule_interrupt+0x109/0x650
[  280.372916]  ? smp_call_function_single_interrupt+0x650/0x650
[  280.378807]  ? interrupt_entry+0xb5/0xc0
[  280.382867]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.387880]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.392889]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.397735]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.402754]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.407764]  ? task_prio+0x50/0x50
[  280.411303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.416839]  ? check_preemption_disabled+0x48/0x280
[  280.421855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.426699]  apic_timer_interrupt+0xf/0x20
[  280.430926]  </IRQ>
[  280.433161] RIP: 0010:lock_is_held_type+0x18b/0x210
[  280.438171] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  280.457062] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  280.464761] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  280.472029] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  280.479293] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  280.486555] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  280.493818] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  280.501107]  rcu_read_lock_held+0xa9/0xc0
[  280.505249]  css_next_child+0x2a2/0x620
[  280.509222]  ? cgroup_mount+0xd30/0xd30
[  280.513195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.518725]  ? check_preemption_disabled+0x48/0x280
[  280.523743]  ? __lock_is_held+0xb5/0x140
[  280.527808]  css_next_descendant_pre+0xeb/0x190
[  280.532480]  mem_cgroup_iter+0x42f/0x1160
[  280.536628]  ? kasan_check_write+0x14/0x20
[  280.540862]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  280.545612]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  280.550627]  ? shrink_slab+0xfa/0x8c0
[  280.554426]  ? shrink_active_list+0x1f00/0x1f00
[  280.559110]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  280.564733]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  280.569836]  ? cgroup_procs_write_finish+0xf0/0xf0
[  280.574765]  ? find_held_lock+0x36/0x1c0
[  280.578826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.584369]  ? vmpressure+0x1a2/0x340
[  280.588168]  shrink_node+0x516/0x16b0
[  280.591962]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  280.597259]  ? shrink_node_memcg+0x18f0/0x18f0
[  280.601844]  ? kvm_clock_read+0x18/0x30
[  280.605814]  ? ktime_get+0x2c1/0x400
[  280.609527]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  280.614022]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  280.619553]  ? __cpuset_node_allowed+0x19b/0x660
[  280.624304]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  280.630012]  ? delayacct_end+0x5a/0x100
[  280.633987]  do_try_to_free_pages+0x3e7/0x1290
[  280.638574]  ? zap_class+0x640/0x640
[  280.642300]  ? shrink_node+0x16b0/0x16b0
[  280.646356]  ? __lock_is_held+0xb5/0x140
[  280.650422]  try_to_free_pages+0x4d0/0xb90
[  280.654660]  ? do_try_to_free_pages+0x1290/0x1290
[  280.659509]  ? lock_acquire+0x1ed/0x520
[  280.663651]  ? set_page_refcounted+0x280/0x280
[  280.668233]  ? lock_release+0xa00/0xa00
[  280.672206]  ? _raw_spin_unlock_irq+0x60/0x80
[  280.676699]  ? psi_memstall_enter+0x240/0x2b0
[  280.681190]  ? psi_memstall_tick+0x230/0x230
[  280.685602]  __alloc_pages_slowpath+0xa14/0x2e10
[  280.690378]  ? warn_alloc+0x120/0x120
[  280.694173]  ? mark_held_locks+0x130/0x130
[  280.698413]  ? find_get_entry+0xaae/0x1120
[  280.702653]  ? filemap_map_pages+0x1a20/0x1a20
[  280.707233]  ? zap_class+0x640/0x640
[  280.710947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.716484]  ? check_preemption_disabled+0x48/0x280
[  280.721497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.727027]  ? should_fail+0x22d/0xd01
[  280.730922]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.736021]  ? zap_class+0x640/0x640
[  280.739750]  ? __lock_is_held+0xb5/0x140
[  280.743813]  ? mark_held_locks+0x130/0x130
[  280.748044]  ? lock_release+0xa00/0xa00
[  280.752017]  ? perf_trace_sched_process_exec+0x860/0x860
[  280.757461]  ? xa_load+0x2ba/0x460
[  280.761001]  ? lock_downgrade+0x900/0x900
[  280.765146]  ? __might_sleep+0x95/0x190
[  280.769123]  __alloc_pages_nodemask+0xa80/0xde0
[  280.773791]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  280.778809]  ? __page_cache_alloc+0x191/0x5c0
[  280.783298]  ? xa_load+0x2e1/0x460
[  280.786837]  ? xa_clear_mark+0x40/0x40
[  280.790721]  ? zap_class+0x640/0x640
[  280.794445]  ? zap_class+0x640/0x640
[  280.798151]  ? zap_class+0x640/0x640
[  280.802345]  ? __do_page_cache_readahead+0x663/0x810
[  280.807450]  ? find_held_lock+0x36/0x1c0
[  280.811512]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  280.817048]  alloc_pages_current+0x173/0x350
[  280.821456]  __page_cache_alloc+0x38c/0x5c0
[  280.825769]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.830690]  ? kasan_check_read+0x11/0x20
[  280.834833]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.840107]  ? generic_perform_write+0x6a0/0x6a0
[  280.844856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.850398]  ? check_preemption_disabled+0x48/0x280
[  280.855437]  filemap_fault+0x1595/0x25f0
[  280.859502]  ? __lock_page_or_retry+0xa00/0xa00
[  280.864168]  ? mark_held_locks+0x130/0x130
[  280.868405]  ? filemap_map_pages+0xd6b/0x1a20
[  280.872908]  ? lock_downgrade+0x900/0x900
[  280.877049]  ? check_preemption_disabled+0x48/0x280
[  280.882063]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.886985]  ? kasan_check_read+0x11/0x20
[  280.891126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.896399]  ? rcu_softirq_qs+0x20/0x20
[  280.900384]  ? filemap_map_pages+0xd92/0x1a20
[  280.904887]  ? print_usage_bug+0xc0/0xc0
[  280.908952]  ? find_get_entries_tag+0x1400/0x1400
[  280.913786]  ? __kasan_slab_free+0x102/0x150
[  280.918185]  ? kasan_slab_free+0xe/0x10
[  280.922154]  ? kmem_cache_free+0x83/0x290
[  280.926296]  ? __sigqueue_free.part.29+0x74/0x90
[  280.931061]  ? lock_acquire+0x1ed/0x520
[  280.935030]  ? ext4_filemap_fault+0x7a/0xad
[  280.939354]  ? lock_release+0xa00/0xa00
[  280.943320]  ? perf_trace_sched_process_exec+0x860/0x860
[  280.948769]  ? print_usage_bug+0xc0/0xc0
[  280.952839]  ? print_usage_bug+0xc0/0xc0
[  280.956913]  ? down_read+0x8d/0x120
[  280.960535]  ? ext4_filemap_fault+0x7a/0xad
[  280.964851]  ? __down_interruptible+0x700/0x700
[  280.969532]  ext4_filemap_fault+0x82/0xad
[  280.973680]  __do_fault+0x100/0x6b0
[  280.977306]  ? pmd_devmap_trans_unstable+0x220/0x220
[  280.982410]  ? mark_held_locks+0x130/0x130
[  280.986643]  ? mark_held_locks+0x130/0x130
[  280.990879]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  280.996419]  ? rcu_pm_notify+0xc0/0xc0
[  281.000306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.005842]  __handle_mm_fault+0x3ea0/0x5be0
[  281.010257]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  281.015094]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.019588]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  281.024178]  ? trace_hardirqs_on+0xbd/0x310
[  281.028492]  ? kasan_check_read+0x11/0x20
[  281.032633]  ? __set_current_blocked+0xdf/0x120
[  281.037299]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.042425]  ? zap_class+0x640/0x640
[  281.046134]  ? zap_class+0x640/0x640
[  281.049847]  ? find_held_lock+0x36/0x1c0
[  281.053915]  ? handle_mm_fault+0x42a/0xc70
[  281.058149]  ? lock_downgrade+0x900/0x900
[  281.062302]  ? check_preemption_disabled+0x48/0x280
[  281.067319]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  281.072241]  ? kasan_check_read+0x11/0x20
[  281.076383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.081655]  ? rcu_softirq_qs+0x20/0x20
[  281.085623]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.090722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.096254]  ? check_preemption_disabled+0x48/0x280
[  281.101273]  handle_mm_fault+0x54f/0xc70
[  281.105336]  ? __handle_mm_fault+0x5be0/0x5be0
[  281.109922]  ? find_vma+0x34/0x190
[  281.113462]  __do_page_fault+0x5e8/0xe60
[  281.117521]  ? exit_to_usermode_loop+0x1f4/0x380
[  281.122301]  do_page_fault+0xf2/0x7e0
[  281.126099]  ? vmalloc_sync_all+0x30/0x30
[  281.130242]  ? error_entry+0x70/0xd0
[  281.133953]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.139053]  ? trace_hardirqs_on_caller+0xc0/0x310
[  281.143976]  ? syscall_return_slowpath+0x5e0/0x5e0
[  281.148898]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.153736]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.159011]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.164462]  ? prepare_exit_to_usermode+0x291/0x3b0
[  281.169473]  ? page_fault+0x8/0x30
[  281.173018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.177869]  ? page_fault+0x8/0x30
[  281.181406]  page_fault+0x1e/0x30
[  281.184865] RIP: 0033:0x45db60
[  281.188068] Code: Bad RIP value.
[  281.191427] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  281.196784] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  281.204051] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  281.211312] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  281.218687] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  281.225948] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  281.233239] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  281.233298] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.239986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.239993] Call Trace:
[  281.246542] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.255811]  dump_stack+0x244/0x39d
[  281.258367] syz-fuzzer cpuset=/ mems_allowed=0
[  281.268582]  ? dump_stack_print_info.cold.1+0x20/0x20
[  281.281932]  warn_alloc.cold.116+0xb7/0x1bd
[  281.286253]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.291097]  ? lock_downgrade+0x900/0x900
[  281.295247]  ? trace_hardirqs_off+0xb8/0x310
[  281.299661]  ? trace_hardirqs_off+0xb8/0x310
[  281.304074]  __alloc_pages_slowpath+0x26e8/0x2e10
[  281.308943]  ? warn_alloc+0x120/0x120
[  281.312747]  ? print_usage_bug+0xc0/0xc0
[  281.316812]  ? warn_alloc+0x120/0x120
[  281.320623]  ? warn_alloc+0x120/0x120
[  281.324422]  ? print_usage_bug+0xc0/0xc0
[  281.328480]  ? print_usage_bug+0xc0/0xc0
[  281.332537]  ? __lock_acquire+0x62f/0x4c20
[  281.336774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.342309]  ? should_fail+0x22d/0xd01
[  281.346194]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.351293]  ? __lock_acquire+0x62f/0x4c20
[  281.355526]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.360625]  ? __lock_acquire+0x62f/0x4c20
[  281.364859]  ? should_fail+0x22d/0xd01
[  281.368744]  ? find_held_lock+0x36/0x1c0
[  281.372812]  ? mark_held_locks+0x130/0x130
[  281.377058]  ? mark_held_locks+0x130/0x130
[  281.381288]  ? zap_class+0x640/0x640
[  281.384996]  ? zap_class+0x640/0x640
[  281.388710]  ? print_usage_bug+0xc0/0xc0
[  281.392769]  ? do_raw_spin_unlock+0xa7/0x330
[  281.397173]  ? zap_class+0x640/0x640
[  281.400887]  ? print_usage_bug+0xc0/0xc0
[  281.404946]  ? wq_watchdog_touch+0x9c/0xfe
[  281.409179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.414711]  ? check_preemption_disabled+0x48/0x280
[  281.419730]  ? __lock_is_held+0xb5/0x140
[  281.423792]  __alloc_pages_nodemask+0xa80/0xde0
[  281.428454]  ? zap_class+0x640/0x640
[  281.432175]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  281.437199]  ? find_held_lock+0x36/0x1c0
[  281.441266]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.445932]  ? lock_downgrade+0x900/0x900
[  281.450083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.455623]  cache_grow_begin+0xa5/0x8c0
[  281.459682]  ? do_raw_spin_unlock+0xa7/0x330
[  281.464102]  fallback_alloc+0x204/0x2e0
[  281.468077]  ____cache_alloc_node+0x1c7/0x1e0
[  281.472571]  kmem_cache_alloc_node+0xe3/0x730
[  281.477066]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.481304]  __alloc_skb+0x119/0x770
[  281.485014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.490290]  ? netdev_alloc_frag+0x1f0/0x1f0
[  281.494694]  ? lock_downgrade+0x900/0x900
[  281.498849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.504386]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.509842]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.515291]  ? addrconf_rs_timer+0x690/0x690
[  281.519703]  ndisc_alloc_skb+0x144/0x340
[  281.523767]  ndisc_send_rs+0x331/0x6e0
[  281.527658]  addrconf_rs_timer+0x314/0x690
[  281.531892]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.536133]  call_timer_fn+0x272/0x920
[  281.540015]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.544243]  ? process_timeout+0x40/0x40
[  281.548303]  ? __run_timers+0x7da/0xc70
[  281.552276]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.556777]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.561266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.565494]  ? lockdep_hardirqs_on+0x296/0x5b0
[  281.570078]  ? trace_hardirqs_on+0xbd/0x310
[  281.574394]  ? kasan_check_read+0x11/0x20
[  281.578533]  ? __run_timers+0x7da/0xc70
[  281.582502]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.587601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.591841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.596073]  __run_timers+0x7e5/0xc70
[  281.599884]  ? timer_fixup_init+0x70/0x70
[  281.604028]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.608613]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.613105]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  281.617681]  ? trace_hardirqs_on+0xbd/0x310
[  281.621995]  ? kasan_check_read+0x11/0x20
[  281.626138]  ? finish_task_switch+0x1f4/0x910
[  281.630631]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.636236]  ? compat_start_thread+0x80/0x80
[  281.640665]  ? pvclock_read_flags+0x160/0x160
[  281.645154]  ? __switch_to_asm+0x34/0x70
[  281.649210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.654746]  ? check_preemption_disabled+0x48/0x280
[  281.659768]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  281.665300]  ? rcu_pm_notify+0xc0/0xc0
[  281.669181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.674713]  ? check_preemption_disabled+0x48/0x280
[  281.679731]  run_timer_softirq+0x52/0xb0
[  281.683787]  ? rcu_read_lock_sched_held+0x14f/0x180
[  281.688805]  __do_softirq+0x308/0xb7e
[  281.692622]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  281.697737]  ? smpboot_thread_fn+0x334/0xa00
[  281.702143]  ? schedule+0x108/0x460
[  281.705767]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.710525]  ? trace_hardirqs_off+0xb8/0x310
[  281.714931]  ? smpboot_thread_fn+0x68b/0xa00
[  281.719336]  ? trace_hardirqs_on+0x310/0x310
[  281.723738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.729358]  ? check_preemption_disabled+0x48/0x280
[  281.734372]  ? takeover_tasklets+0xa90/0xa90
[  281.738781]  run_ksoftirqd+0x5e/0x100
[  281.742581]  smpboot_thread_fn+0x68b/0xa00
[  281.746825]  ? sort_range+0x30/0x30
[  281.750449]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  281.755546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.761082]  ? __kthread_parkme+0xfb/0x1a0
[  281.765317]  ? sort_range+0x30/0x30
[  281.768937]  kthread+0x35a/0x440
[  281.772303]  ? kthread_stop+0x900/0x900
[  281.776271]  ret_from_fork+0x3a/0x50
[  281.779996] warn_alloc_show_mem: 1 callbacks suppressed
[  281.780005] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  281.780006] Mem-Info:
[  281.780037] active_anon:52607 inactive_anon:182 isolated_anon:0
[  281.780037]  active_file:12 inactive_file:11 isolated_file:0
[  281.780037]  unevictable:0 dirty:0 writeback:0 unstable:0
[  281.780037]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  281.780037]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  281.780037]  free:13782 free_pcp:358 free_cma:0
[  281.785370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.792291] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  281.794681] Call Trace:
[  281.827826] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  281.837169]  <IRQ>
[  281.864728] lowmem_reserve[]: 0 2818 6321 6321
[  281.867309]  dump_stack+0x244/0x39d
[  281.893382] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  281.895525]  ? dump_stack_print_info.cold.1+0x20/0x20
[  281.900073] lowmem_reserve[]: 0 0 3503 3503
[  281.903699]  warn_alloc.cold.116+0xb7/0x1bd
[  281.931327] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  281.936514]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.940808] lowmem_reserve[]: 0 0 0 0
[  281.945122]  ? lock_downgrade+0x900/0x900
[  281.974060] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  281.978900]  ? trace_hardirqs_off+0xb8/0x310
[  281.982666] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  281.986810]  ? trace_hardirqs_off+0xb8/0x310
[  282.000314] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  282.004719]  __alloc_pages_slowpath+0x26e8/0x2e10
[  282.019864] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  282.024279]  ? warn_alloc+0x120/0x120
[  282.039154] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  282.043981]  ? print_usage_bug+0xc0/0xc0
[  282.052794] 266 total pagecache pages
[  282.056591]  ? warn_alloc+0x120/0x120
[  282.065143] 0 pages in swap cache
[  282.069188]  ? warn_alloc+0x120/0x120
[  282.072960] Swap cache stats: add 0, delete 0, find 0/0
[  282.076747]  ? print_usage_bug+0xc0/0xc0
[  282.080173] Free swap  = 0kB
[  282.083960]  ? kvm_clock_read+0x18/0x30
[  282.089295] Total swap = 0kB
[  282.093343]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  282.096331] 1965979 pages RAM
[  282.100291]  ? print_usage_bug+0xc0/0xc0
[  282.103283] 0 pages HighMem/MovableOnly
[  282.108292]  ? __lock_acquire+0x62f/0x4c20
[  282.111367] 342854 pages reserved
[  282.115419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.119362] 0 pages cma reserved
[  282.123582]  ? should_fail+0x22d/0xd01
[  282.127063] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.132524]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.132542]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.132558]  ? __lock_acquire+0x62f/0x4c20
[  282.135988] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.139784]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.146245] ksoftirqd/0 cpuset=/ mems_allowed=0
[  282.151522]  ? __lock_acquire+0x62f/0x4c20
[  282.151536]  ? should_fail+0x22d/0xd01
[  282.188938]  ? rcu_irq_exit+0x1a2/0x390
[  282.192918]  ? mark_held_locks+0x130/0x130
[  282.197151]  ? mark_held_locks+0x130/0x130
[  282.201385]  ? mark_held_locks+0xc7/0x130
[  282.205526]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  282.210534]  ? zap_class+0x640/0x640
[  282.214242]  ? print_usage_bug+0xc0/0xc0
[  282.218305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.223838]  ? check_preemption_disabled+0x48/0x280
[  282.228858]  ? __lock_is_held+0xb5/0x140
[  282.232922]  __alloc_pages_nodemask+0xa80/0xde0
[  282.237587]  ? zap_class+0x640/0x640
[  282.241307]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  282.246330]  ? find_held_lock+0x36/0x1c0
[  282.250404]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.255066]  ? lock_downgrade+0x900/0x900
[  282.259214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.264750]  cache_grow_begin+0xa5/0x8c0
[  282.268811]  ? do_raw_spin_unlock+0xa7/0x330
[  282.273224]  fallback_alloc+0x204/0x2e0
[  282.277202]  ____cache_alloc_node+0x1c7/0x1e0
[  282.281695]  kmem_cache_alloc_node+0xe3/0x730
[  282.286183]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.290425]  __alloc_skb+0x119/0x770
[  282.294132]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.299405]  ? netdev_alloc_frag+0x1f0/0x1f0
[  282.303817]  ? lock_downgrade+0x900/0x900
[  282.307965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.313499]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.318946]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.324392]  ? addrconf_rs_timer+0x690/0x690
[  282.328809]  ndisc_alloc_skb+0x144/0x340
[  282.332869]  ndisc_send_rs+0x331/0x6e0
[  282.336763]  addrconf_rs_timer+0x314/0x690
[  282.340998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.345238]  call_timer_fn+0x272/0x920
[  282.349118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.353347]  ? process_timeout+0x40/0x40
[  282.357409]  ? mark_held_locks+0xc7/0x130
[  282.361552]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.366044]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.370533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.374769]  ? lockdep_hardirqs_on+0x296/0x5b0
[  282.379351]  ? trace_hardirqs_on+0xbd/0x310
[  282.383666]  ? kasan_check_read+0x11/0x20
[  282.387806]  ? __run_timers+0x7da/0xc70
[  282.391783]  ? trace_hardirqs_off_caller+0x310/0x310
[  282.396893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.401125]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.405351]  __run_timers+0x7e5/0xc70
[  282.409157]  ? timer_fixup_init+0x70/0x70
[  282.413303]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.418313]  ? zap_class+0x640/0x640
[  282.422025]  ? print_usage_bug+0xc0/0xc0
[  282.426083]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  282.431274]  ? find_held_lock+0x36/0x1c0
[  282.435343]  ? zap_class+0x640/0x640
[  282.439053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.444584]  ? check_preemption_disabled+0x48/0x280
[  282.449606]  ? __lock_is_held+0xb5/0x140
[  282.453662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.459195]  ? check_preemption_disabled+0x48/0x280
[  282.464208]  run_timer_softirq+0x52/0xb0
[  282.468267]  ? rcu_read_lock_sched_held+0x14f/0x180
[  282.473286]  __do_softirq+0x308/0xb7e
[  282.477088]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  282.481575]  ? lock_downgrade+0x900/0x900
[  282.485719]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  282.490832]  ? pvclock_read_flags+0x160/0x160
[  282.495323]  ? lapic_next_event+0x5a/0x90
[  282.499471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.505007]  ? kvm_clock_read+0x18/0x30
[  282.508988]  ? kvm_sched_clock_read+0x9/0x20
[  282.513399]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.518929]  ? check_preemption_disabled+0x48/0x280
[  282.523947]  irq_exit+0x17f/0x1c0
[  282.527396]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.532231]  ? smp_reschedule_interrupt+0x109/0x650
[  282.537244]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.543130]  ? interrupt_entry+0xb5/0xc0
[  282.547190]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.552199]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.557215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.562050]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.567059]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.572068]  ? task_prio+0x50/0x50
[  282.575602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.581132]  ? check_preemption_disabled+0x48/0x280
[  282.586154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.590998]  apic_timer_interrupt+0xf/0x20
[  282.595224]  </IRQ>
[  282.597456] RIP: 0010:lock_is_held_type+0x18b/0x210
[  282.602467] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  282.621361] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  282.629060] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  282.636328] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  282.643588] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  282.650852] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  282.658117] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  282.665403]  rcu_read_lock_held+0xa9/0xc0
[  282.669549]  css_next_child+0x2a2/0x620
[  282.673521]  ? cgroup_mount+0xd30/0xd30
[  282.677496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.683032]  ? check_preemption_disabled+0x48/0x280
[  282.688050]  ? __lock_is_held+0xb5/0x140
[  282.692120]  css_next_descendant_pre+0xeb/0x190
[  282.696787]  mem_cgroup_iter+0x42f/0x1160
[  282.700937]  ? kasan_check_write+0x14/0x20
[  282.705171]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  282.709921]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.714943]  ? shrink_slab+0xfa/0x8c0
[  282.718746]  ? shrink_active_list+0x1f00/0x1f00
[  282.723420]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  282.729043]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  282.734146]  ? cgroup_procs_write_finish+0xf0/0xf0
[  282.739076]  ? find_held_lock+0x36/0x1c0
[  282.743130]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.748662]  ? vmpressure+0x1a2/0x340
[  282.752460]  shrink_node+0x516/0x16b0
[  282.756263]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  282.761654]  ? shrink_node_memcg+0x18f0/0x18f0
[  282.766234]  ? kvm_clock_read+0x18/0x30
[  282.770204]  ? ktime_get+0x2c1/0x400
[  282.773914]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  282.778411]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  282.783966]  ? __cpuset_node_allowed+0x19b/0x660
[  282.788731]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  282.794454]  ? delayacct_end+0x5a/0x100
[  282.798430]  do_try_to_free_pages+0x3e7/0x1290
[  282.803008]  ? zap_class+0x640/0x640
[  282.806741]  ? shrink_node+0x16b0/0x16b0
[  282.810804]  ? __lock_is_held+0xb5/0x140
[  282.814875]  try_to_free_pages+0x4d0/0xb90
[  282.819110]  ? do_try_to_free_pages+0x1290/0x1290
[  282.823956]  ? lock_acquire+0x1ed/0x520
[  282.827930]  ? set_page_refcounted+0x280/0x280
[  282.832512]  ? lock_release+0xa00/0xa00
[  282.836480]  ? _raw_spin_unlock_irq+0x60/0x80
[  282.840971]  ? psi_memstall_enter+0x240/0x2b0
[  282.845468]  ? psi_memstall_tick+0x230/0x230
[  282.849882]  __alloc_pages_slowpath+0xa14/0x2e10
[  282.854659]  ? warn_alloc+0x120/0x120
[  282.858454]  ? mark_held_locks+0x130/0x130
[  282.862687]  ? find_get_entry+0xaae/0x1120
[  282.866950]  ? filemap_map_pages+0x1a20/0x1a20
[  282.871536]  ? zap_class+0x640/0x640
[  282.875255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.880790]  ? check_preemption_disabled+0x48/0x280
[  282.885805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.891335]  ? should_fail+0x22d/0xd01
[  282.895219]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.900320]  ? zap_class+0x640/0x640
[  282.904048]  ? __lock_is_held+0xb5/0x140
[  282.908111]  ? mark_held_locks+0x130/0x130
[  282.912343]  ? lock_release+0xa00/0xa00
[  282.916314]  ? perf_trace_sched_process_exec+0x860/0x860
[  282.921761]  ? xa_load+0x2ba/0x460
[  282.925296]  ? lock_downgrade+0x900/0x900
[  282.929442]  ? __might_sleep+0x95/0x190
[  282.933417]  __alloc_pages_nodemask+0xa80/0xde0
[  282.938084]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  282.943101]  ? __page_cache_alloc+0x191/0x5c0
[  282.947589]  ? xa_load+0x2e1/0x460
[  282.951125]  ? xa_clear_mark+0x40/0x40
[  282.955009]  ? zap_class+0x640/0x640
[  282.958733]  ? zap_class+0x640/0x640
[  282.962444]  ? zap_class+0x640/0x640
[  282.966150]  ? __do_page_cache_readahead+0x663/0x810
[  282.971254]  ? find_held_lock+0x36/0x1c0
[  282.975314]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  282.980855]  alloc_pages_current+0x173/0x350
[  282.985270]  __page_cache_alloc+0x38c/0x5c0
[  282.989583]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  282.994507]  ? kasan_check_read+0x11/0x20
[  282.998661]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.003936]  ? generic_perform_write+0x6a0/0x6a0
[  283.008692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.014235]  ? check_preemption_disabled+0x48/0x280
[  283.019253]  filemap_fault+0x1595/0x25f0
[  283.023319]  ? __lock_page_or_retry+0xa00/0xa00
[  283.027988]  ? mark_held_locks+0x130/0x130
[  283.032238]  ? filemap_map_pages+0xd6b/0x1a20
[  283.036728]  ? lock_downgrade+0x900/0x900
[  283.040875]  ? check_preemption_disabled+0x48/0x280
[  283.045890]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.050816]  ? kasan_check_read+0x11/0x20
[  283.054961]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.060234]  ? rcu_softirq_qs+0x20/0x20
[  283.064212]  ? filemap_map_pages+0xd92/0x1a20
[  283.068718]  ? print_usage_bug+0xc0/0xc0
[  283.072778]  ? find_get_entries_tag+0x1400/0x1400
[  283.077617]  ? __kasan_slab_free+0x102/0x150
[  283.082019]  ? kasan_slab_free+0xe/0x10
[  283.085993]  ? kmem_cache_free+0x83/0x290
[  283.090132]  ? __sigqueue_free.part.29+0x74/0x90
[  283.094898]  ? lock_acquire+0x1ed/0x520
[  283.098869]  ? ext4_filemap_fault+0x7a/0xad
[  283.103193]  ? lock_release+0xa00/0xa00
[  283.107168]  ? perf_trace_sched_process_exec+0x860/0x860
[  283.112611]  ? print_usage_bug+0xc0/0xc0
[  283.116668]  ? print_usage_bug+0xc0/0xc0
[  283.120740]  ? down_read+0x8d/0x120
[  283.124357]  ? ext4_filemap_fault+0x7a/0xad
[  283.128673]  ? __down_interruptible+0x700/0x700
[  283.133352]  ext4_filemap_fault+0x82/0xad
[  283.137494]  __do_fault+0x100/0x6b0
[  283.141118]  ? pmd_devmap_trans_unstable+0x220/0x220
[  283.146227]  ? mark_held_locks+0x130/0x130
[  283.150458]  ? mark_held_locks+0x130/0x130
[  283.154697]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  283.160236]  ? rcu_pm_notify+0xc0/0xc0
[  283.164134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.169669]  __handle_mm_fault+0x3ea0/0x5be0
[  283.174085]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  283.178920]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.183410]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  283.187990]  ? trace_hardirqs_on+0xbd/0x310
[  283.192304]  ? kasan_check_read+0x11/0x20
[  283.196443]  ? __set_current_blocked+0xdf/0x120
[  283.201109]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.206223]  ? zap_class+0x640/0x640
[  283.209934]  ? zap_class+0x640/0x640
[  283.213647]  ? find_held_lock+0x36/0x1c0
[  283.217719]  ? handle_mm_fault+0x42a/0xc70
[  283.221953]  ? lock_downgrade+0x900/0x900
[  283.226093]  ? check_preemption_disabled+0x48/0x280
[  283.231108]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.236033]  ? kasan_check_read+0x11/0x20
[  283.240177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.245538]  ? rcu_softirq_qs+0x20/0x20
[  283.249510]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.254611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.260142]  ? check_preemption_disabled+0x48/0x280
[  283.265157]  handle_mm_fault+0x54f/0xc70
[  283.269224]  ? __handle_mm_fault+0x5be0/0x5be0
[  283.273804]  ? find_vma+0x34/0x190
[  283.277344]  __do_page_fault+0x5e8/0xe60
[  283.281403]  ? exit_to_usermode_loop+0x1f4/0x380
[  283.286163]  do_page_fault+0xf2/0x7e0
[  283.289961]  ? vmalloc_sync_all+0x30/0x30
[  283.294189]  ? error_entry+0x70/0xd0
[  283.297904]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.302911]  ? trace_hardirqs_on_caller+0xc0/0x310
[  283.307839]  ? syscall_return_slowpath+0x5e0/0x5e0
[  283.312769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.317607]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.322615]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.328068]  ? prepare_exit_to_usermode+0x291/0x3b0
[  283.333077]  ? page_fault+0x8/0x30
[  283.336617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.341458]  ? page_fault+0x8/0x30
[  283.344993]  page_fault+0x1e/0x30
[  283.348436] RIP: 0033:0x45db60
[  283.351634] Code: Bad RIP value.
[  283.354994] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  283.360349] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  283.367610] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  283.374875] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  283.382135] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  283.389401] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  283.396701] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  283.396756] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  283.403444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.403448] Call Trace:
[  283.403466]  dump_stack+0x244/0x39d
[  283.403485]  ? dump_stack_print_info.cold.1+0x20/0x20
[  283.410001] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  283.419304]  warn_alloc.cold.116+0xb7/0x1bd
[  283.421854] syz-fuzzer cpuset=/ mems_allowed=0
[  283.425465]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.454966]  ? lock_downgrade+0x900/0x900
[  283.459116]  ? trace_hardirqs_off+0xb8/0x310
[  283.463523]  ? trace_hardirqs_off+0xb8/0x310
[  283.467931]  __alloc_pages_slowpath+0x26e8/0x2e10
[  283.472791]  ? warn_alloc+0x120/0x120
[  283.476591]  ? print_usage_bug+0xc0/0xc0
[  283.480650]  ? warn_alloc+0x120/0x120
[  283.484456]  ? warn_alloc+0x120/0x120
[  283.488250]  ? print_usage_bug+0xc0/0xc0
[  283.492308]  ? print_usage_bug+0xc0/0xc0
[  283.496365]  ? __lock_acquire+0x62f/0x4c20
[  283.500602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.506134]  ? should_fail+0x22d/0xd01
[  283.510019]  ? __lock_acquire+0x62f/0x4c20
[  283.514254]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.519355]  ? __lock_acquire+0x62f/0x4c20
[  283.523593]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.528699]  ? __lock_acquire+0x62f/0x4c20
[  283.532927]  ? should_fail+0x22d/0xd01
[  283.536820]  ? mark_held_locks+0x130/0x130
[  283.541055]  ? mark_held_locks+0x130/0x130
[  283.545286]  ? lock_downgrade+0x900/0x900
[  283.549431]  ? zap_class+0x640/0x640
[  283.553227]  ? print_usage_bug+0xc0/0xc0
[  283.557281]  ? trace_hardirqs_off+0xb8/0x310
[  283.561687]  ? kasan_check_read+0x11/0x20
[  283.565836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.571367]  ? check_preemption_disabled+0x48/0x280
[  283.576389]  ? __lock_is_held+0xb5/0x140
[  283.580455]  __alloc_pages_nodemask+0xa80/0xde0
[  283.585118]  ? zap_class+0x640/0x640
[  283.588829]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  283.593849]  ? find_held_lock+0x36/0x1c0
[  283.597910]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.602578]  ? lock_downgrade+0x900/0x900
[  283.606732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.612267]  cache_grow_begin+0xa5/0x8c0
[  283.616325]  ? do_raw_spin_unlock+0xa7/0x330
[  283.620742]  fallback_alloc+0x204/0x2e0
[  283.624722]  ____cache_alloc_node+0x1c7/0x1e0
[  283.629217]  kmem_cache_alloc_node+0xe3/0x730
[  283.634147]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.638387]  __alloc_skb+0x119/0x770
[  283.642095]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.647368]  ? netdev_alloc_frag+0x1f0/0x1f0
[  283.651774]  ? lock_downgrade+0x900/0x900
[  283.655921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.661453]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.666900]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.672345]  ? addrconf_rs_timer+0x690/0x690
[  283.676761]  ndisc_alloc_skb+0x144/0x340
[  283.680821]  ndisc_send_rs+0x331/0x6e0
[  283.684712]  addrconf_rs_timer+0x314/0x690
[  283.688944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.693183]  call_timer_fn+0x272/0x920
[  283.697067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.701299]  ? process_timeout+0x40/0x40
[  283.705360]  ? __run_timers+0x7da/0xc70
[  283.709328]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.713815]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.718307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.722542]  ? lockdep_hardirqs_on+0x296/0x5b0
[  283.727120]  ? trace_hardirqs_on+0xbd/0x310
[  283.731436]  ? kasan_check_read+0x11/0x20
[  283.735581]  ? __run_timers+0x7da/0xc70
[  283.739552]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.744680]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.748908]  __run_timers+0x7e5/0xc70
[  283.752712]  ? timer_fixup_init+0x70/0x70
[  283.756854]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.761343]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.765836]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  283.770411]  ? trace_hardirqs_on+0xbd/0x310
[  283.774726]  ? kasan_check_read+0x11/0x20
[  283.778871]  ? finish_task_switch+0x1f4/0x910
[  283.783453]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.788547]  ? compat_start_thread+0x80/0x80
[  283.792972]  ? pvclock_read_flags+0x160/0x160
[  283.797458]  ? __switch_to_asm+0x34/0x70
[  283.801904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.807443]  ? check_preemption_disabled+0x48/0x280
[  283.812461]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  283.817993]  ? rcu_pm_notify+0xc0/0xc0
[  283.821877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.827411]  ? check_preemption_disabled+0x48/0x280
[  283.832428]  run_timer_softirq+0x52/0xb0
[  283.836484]  ? rcu_read_lock_sched_held+0x14f/0x180
[  283.841495]  __do_softirq+0x308/0xb7e
[  283.845302]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  283.850409]  ? smpboot_thread_fn+0x334/0xa00
[  283.854816]  ? schedule+0x108/0x460
[  283.858441]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  283.863199]  ? trace_hardirqs_off+0xb8/0x310
[  283.867600]  ? smpboot_thread_fn+0x68b/0xa00
[  283.872016]  ? trace_hardirqs_on+0x310/0x310
[  283.876419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.881951]  ? check_preemption_disabled+0x48/0x280
[  283.886965]  ? takeover_tasklets+0xa90/0xa90
[  283.891371]  run_ksoftirqd+0x5e/0x100
[  283.895163]  smpboot_thread_fn+0x68b/0xa00
[  283.899393]  ? sort_range+0x30/0x30
[  283.903015]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.908118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.913656]  ? __kthread_parkme+0xfb/0x1a0
[  283.917892]  ? sort_range+0x30/0x30
[  283.921514]  kthread+0x35a/0x440
[  283.924873]  ? kthread_stop+0x900/0x900
[  283.928842]  ret_from_fork+0x3a/0x50
[  283.932576] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  283.932581] warn_alloc_show_mem: 1 callbacks suppressed
[  283.932587] Mem-Info:
[  283.939505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.945290] active_anon:52607 inactive_anon:182 isolated_anon:0
[  283.945290]  active_file:12 inactive_file:11 isolated_file:0
[  283.945290]  unevictable:0 dirty:0 writeback:0 unstable:0
[  283.945290]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  283.945290]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  283.945290]  free:13782 free_pcp:358 free_cma:0
[  283.947654] Call Trace:
[  283.947663]  <IRQ>
[  283.957033] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  283.989877]  dump_stack+0x244/0x39d
[  283.992429] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  283.994571]  ? dump_stack_print_info.cold.1+0x20/0x20
[  284.022046] lowmem_reserve[]: 0 2818 6321 6321
[  284.025678]  warn_alloc.cold.116+0xb7/0x1bd
[  284.051751] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  284.056933]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.061482] lowmem_reserve[]: 0 0 3503 3503
[  284.065796]  ? lock_downgrade+0x900/0x900
[  284.093436] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  284.098274]  ? trace_hardirqs_off+0xb8/0x310
[  284.102561] lowmem_reserve[]: 0 0 0 0
[  284.106699]  ? trace_hardirqs_off+0xb8/0x310
[  284.135641] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  284.140045]  __alloc_pages_slowpath+0x26e8/0x2e10
[  284.143817] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  284.148239]  ? warn_alloc+0x120/0x120
[  284.161707] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  284.166550]  ? print_usage_bug+0xc0/0xc0
[  284.181785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  284.185568]  ? warn_alloc+0x120/0x120
[  284.200454] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  284.204498]  ? warn_alloc+0x120/0x120
[  284.213310] 266 total pagecache pages
[  284.217097]  ? print_usage_bug+0xc0/0xc0
[  284.225659] 0 pages in swap cache
[  284.229440]  ? print_usage_bug+0xc0/0xc0
[  284.233215] Swap cache stats: add 0, delete 0, find 0/0
[  284.237256]  ? __lock_acquire+0x62f/0x4c20
[  284.240679] Free swap  = 0kB
[  284.244729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.250063] Total swap = 0kB
[  284.254282]  ? should_fail+0x22d/0xd01
[  284.257274] 1965979 pages RAM
[  284.262799]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.265789] 0 pages HighMem/MovableOnly
[  284.269665]  ? __lock_acquire+0x62f/0x4c20
[  284.272743] 342854 pages reserved
[  284.277831]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.281777] 0 pages cma reserved
[  284.286000]  ? __lock_acquire+0x62f/0x4c20
[  284.289499] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.294508]  ? should_fail+0x22d/0xd01
[  284.294523]  ? find_held_lock+0x36/0x1c0
[  284.294545]  ? mark_held_locks+0x130/0x130
[  284.297967] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.302106]  ? mark_held_locks+0x130/0x130
[  284.308569] ksoftirqd/0 cpuset=/ mems_allowed=0
[  284.312445]  ? zap_class+0x640/0x640
[  284.312460]  ? zap_class+0x640/0x640
[  284.347271]  ? print_usage_bug+0xc0/0xc0
[  284.351328]  ? do_raw_spin_unlock+0xa7/0x330
[  284.355730]  ? zap_class+0x640/0x640
[  284.359437]  ? print_usage_bug+0xc0/0xc0
[  284.363494]  ? wq_watchdog_touch+0x9c/0xfe
[  284.367727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.373260]  ? check_preemption_disabled+0x48/0x280
[  284.378281]  ? __lock_is_held+0xb5/0x140
[  284.382347]  __alloc_pages_nodemask+0xa80/0xde0
[  284.387018]  ? zap_class+0x640/0x640
[  284.390733]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  284.395756]  ? find_held_lock+0x36/0x1c0
[  284.399823]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.404488]  ? lock_downgrade+0x900/0x900
[  284.408639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.414174]  cache_grow_begin+0xa5/0x8c0
[  284.418234]  ? do_raw_spin_unlock+0xa7/0x330
[  284.422648]  fallback_alloc+0x204/0x2e0
[  284.426624]  ____cache_alloc_node+0x1c7/0x1e0
[  284.431122]  kmem_cache_alloc_node+0xe3/0x730
[  284.435621]  ? ipv6_get_ifaddr+0x42e/0x620
[  284.439858]  __alloc_skb+0x119/0x770
[  284.443564]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.448849]  ? netdev_alloc_frag+0x1f0/0x1f0
[  284.453250]  ? lock_downgrade+0x900/0x900
[  284.457403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.462941]  ? refcount_sub_and_test_checked+0x203/0x310
[  284.468392]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  284.473835]  ? addrconf_rs_timer+0x690/0x690
[  284.478251]  ndisc_alloc_skb+0x144/0x340
[  284.482316]  ndisc_send_rs+0x331/0x6e0
[  284.486204]  addrconf_rs_timer+0x314/0x690
[  284.490436]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.494678]  call_timer_fn+0x272/0x920
[  284.498561]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.502798]  ? process_timeout+0x40/0x40
[  284.506864]  ? mark_held_locks+0xc7/0x130
[  284.511008]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.515499]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.519985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.524212]  ? lockdep_hardirqs_on+0x296/0x5b0
[  284.528794]  ? trace_hardirqs_on+0xbd/0x310
[  284.533117]  ? kasan_check_read+0x11/0x20
[  284.537262]  ? __run_timers+0x7da/0xc70
[  284.541230]  ? trace_hardirqs_off_caller+0x310/0x310
[  284.546331]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.550576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.554806]  __run_timers+0x7e5/0xc70
[  284.558616]  ? timer_fixup_init+0x70/0x70
[  284.562759]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  284.567771]  ? zap_class+0x640/0x640
[  284.571482]  ? print_usage_bug+0xc0/0xc0
[  284.575541]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  284.580734]  ? find_held_lock+0x36/0x1c0
[  284.584796]  ? zap_class+0x640/0x640
[  284.588509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.594230]  ? check_preemption_disabled+0x48/0x280
[  284.599247]  ? __lock_is_held+0xb5/0x140
[  284.603301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.608832]  ? check_preemption_disabled+0x48/0x280
[  284.613845]  run_timer_softirq+0x52/0xb0
[  284.617902]  ? rcu_read_lock_sched_held+0x14f/0x180
[  284.622917]  __do_softirq+0x308/0xb7e
[  284.626725]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  284.631212]  ? lock_downgrade+0x900/0x900
[  284.635359]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  284.640462]  ? pvclock_read_flags+0x160/0x160
[  284.644956]  ? lapic_next_event+0x5a/0x90
[  284.649107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.654641]  ? kvm_clock_read+0x18/0x30
[  284.658614]  ? kvm_sched_clock_read+0x9/0x20
[  284.663021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.668559]  ? check_preemption_disabled+0x48/0x280
[  284.673582]  irq_exit+0x17f/0x1c0
[  284.677031]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.681865]  ? smp_reschedule_interrupt+0x109/0x650
[  284.686876]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.692752]  ? interrupt_entry+0xb5/0xc0
[  284.696808]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.701816]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.706830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.711672]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.716682]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.721707]  ? task_prio+0x50/0x50
[  284.725247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.730780]  ? check_preemption_disabled+0x48/0x280
[  284.735797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.740651]  apic_timer_interrupt+0xf/0x20
[  284.744884]  </IRQ>
[  284.747121] RIP: 0010:lock_is_held_type+0x18b/0x210
[  284.752135] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  284.771029] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  284.778741] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  284.786005] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  284.793272] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  284.800535] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  284.807805] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  284.815104]  rcu_read_lock_held+0xa9/0xc0
[  284.819249]  css_next_child+0x2a2/0x620
[  284.823224]  ? cgroup_mount+0xd30/0xd30
[  284.827195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.832727]  ? check_preemption_disabled+0x48/0x280
[  284.837747]  ? __lock_is_held+0xb5/0x140
[  284.841814]  css_next_descendant_pre+0xeb/0x190
[  284.846480]  mem_cgroup_iter+0x42f/0x1160
[  284.850623]  ? kasan_check_write+0x14/0x20
[  284.854858]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  284.859606]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  284.864621]  ? shrink_slab+0xfa/0x8c0
[  284.868415]  ? shrink_active_list+0x1f00/0x1f00
[  284.873091]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  284.878722]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  284.883825]  ? cgroup_procs_write_finish+0xf0/0xf0
[  284.888758]  ? find_held_lock+0x36/0x1c0
[  284.892825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.898358]  ? vmpressure+0x1a2/0x340
[  284.902158]  shrink_node+0x516/0x16b0
[  284.905955]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  284.911253]  ? shrink_node_memcg+0x18f0/0x18f0
[  284.915834]  ? kvm_clock_read+0x18/0x30
[  284.919807]  ? ktime_get+0x2c1/0x400
[  284.923520]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  284.928018]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.933554]  ? __cpuset_node_allowed+0x19b/0x660
[  284.938307]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  284.944016]  ? delayacct_end+0x5a/0x100
[  284.947992]  do_try_to_free_pages+0x3e7/0x1290
[  284.952570]  ? zap_class+0x640/0x640
[  284.956294]  ? shrink_node+0x16b0/0x16b0
[  284.960355]  ? __lock_is_held+0xb5/0x140
[  284.964425]  try_to_free_pages+0x4d0/0xb90
[  284.968659]  ? do_try_to_free_pages+0x1290/0x1290
[  284.973507]  ? lock_acquire+0x1ed/0x520
[  284.977481]  ? set_page_refcounted+0x280/0x280
[  284.982060]  ? lock_release+0xa00/0xa00
[  284.986033]  ? _raw_spin_unlock_irq+0x60/0x80
[  284.990533]  ? psi_memstall_enter+0x240/0x2b0
[  284.995023]  ? psi_memstall_tick+0x230/0x230
[  284.999435]  __alloc_pages_slowpath+0xa14/0x2e10
[  285.004209]  ? warn_alloc+0x120/0x120
[  285.008008]  ? mark_held_locks+0x130/0x130
[  285.012241]  ? find_get_entry+0xaae/0x1120
[  285.016480]  ? filemap_map_pages+0x1a20/0x1a20
[  285.021065]  ? zap_class+0x640/0x640
[  285.024789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.030321]  ? check_preemption_disabled+0x48/0x280
[  285.035332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.040866]  ? should_fail+0x22d/0xd01
[  285.044755]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.049856]  ? zap_class+0x640/0x640
[  285.053586]  ? __lock_is_held+0xb5/0x140
[  285.057650]  ? mark_held_locks+0x130/0x130
[  285.061886]  ? lock_release+0xa00/0xa00
[  285.065860]  ? perf_trace_sched_process_exec+0x860/0x860
[  285.071302]  ? xa_load+0x2ba/0x460
[  285.074837]  ? lock_downgrade+0x900/0x900
[  285.078987]  ? __might_sleep+0x95/0x190
[  285.082962]  __alloc_pages_nodemask+0xa80/0xde0
[  285.087632]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  285.092647]  ? __page_cache_alloc+0x191/0x5c0
[  285.097136]  ? xa_load+0x2e1/0x460
[  285.100673]  ? xa_clear_mark+0x40/0x40
[  285.104559]  ? zap_class+0x640/0x640
[  285.108281]  ? zap_class+0x640/0x640
[  285.111989]  ? zap_class+0x640/0x640
[  285.115699]  ? __do_page_cache_readahead+0x663/0x810
[  285.120821]  ? find_held_lock+0x36/0x1c0
[  285.124881]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  285.130419]  alloc_pages_current+0x173/0x350
[  285.134831]  __page_cache_alloc+0x38c/0x5c0
[  285.139144]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.144068]  ? kasan_check_read+0x11/0x20
[  285.148210]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.153483]  ? generic_perform_write+0x6a0/0x6a0
[  285.158243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.163775]  ? check_preemption_disabled+0x48/0x280
[  285.168795]  filemap_fault+0x1595/0x25f0
[  285.172864]  ? __lock_page_or_retry+0xa00/0xa00
[  285.177536]  ? mark_held_locks+0x130/0x130
[  285.181783]  ? filemap_map_pages+0xd6b/0x1a20
[  285.186274]  ? lock_downgrade+0x900/0x900
[  285.190417]  ? check_preemption_disabled+0x48/0x280
[  285.195431]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.200358]  ? kasan_check_read+0x11/0x20
[  285.204498]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.209778]  ? rcu_softirq_qs+0x20/0x20
[  285.213757]  ? filemap_map_pages+0xd92/0x1a20
[  285.218254]  ? print_usage_bug+0xc0/0xc0
[  285.222319]  ? find_get_entries_tag+0x1400/0x1400
[  285.227164]  ? __kasan_slab_free+0x102/0x150
[  285.231572]  ? kasan_slab_free+0xe/0x10
[  285.235542]  ? kmem_cache_free+0x83/0x290
[  285.239690]  ? __sigqueue_free.part.29+0x74/0x90
[  285.244564]  ? lock_acquire+0x1ed/0x520
[  285.248535]  ? ext4_filemap_fault+0x7a/0xad
[  285.252859]  ? lock_release+0xa00/0xa00
[  285.256828]  ? perf_trace_sched_process_exec+0x860/0x860
[  285.262277]  ? print_usage_bug+0xc0/0xc0
[  285.266333]  ? print_usage_bug+0xc0/0xc0
[  285.270397]  ? down_read+0x8d/0x120
[  285.274019]  ? ext4_filemap_fault+0x7a/0xad
[  285.278340]  ? __down_interruptible+0x700/0x700
[  285.283013]  ext4_filemap_fault+0x82/0xad
[  285.287159]  __do_fault+0x100/0x6b0
[  285.290788]  ? pmd_devmap_trans_unstable+0x220/0x220
[  285.295913]  ? mark_held_locks+0x130/0x130
[  285.300145]  ? mark_held_locks+0x130/0x130
[  285.304375]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  285.309913]  ? rcu_pm_notify+0xc0/0xc0
[  285.313805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.319341]  __handle_mm_fault+0x3ea0/0x5be0
[  285.323756]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  285.328589]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.333082]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  285.337661]  ? trace_hardirqs_on+0xbd/0x310
[  285.341981]  ? kasan_check_read+0x11/0x20
[  285.346124]  ? __set_current_blocked+0xdf/0x120
[  285.350789]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.355896]  ? zap_class+0x640/0x640
[  285.359607]  ? zap_class+0x640/0x640
[  285.363321]  ? find_held_lock+0x36/0x1c0
[  285.367385]  ? handle_mm_fault+0x42a/0xc70
[  285.371615]  ? lock_downgrade+0x900/0x900
[  285.375757]  ? check_preemption_disabled+0x48/0x280
[  285.380769]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.385694]  ? kasan_check_read+0x11/0x20
[  285.389837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.395108]  ? rcu_softirq_qs+0x20/0x20
[  285.399076]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.404173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.409705]  ? check_preemption_disabled+0x48/0x280
[  285.414722]  handle_mm_fault+0x54f/0xc70
[  285.418785]  ? __handle_mm_fault+0x5be0/0x5be0
[  285.423365]  ? find_vma+0x34/0x190
[  285.426909]  __do_page_fault+0x5e8/0xe60
[  285.430965]  ? exit_to_usermode_loop+0x1f4/0x380
[  285.435731]  do_page_fault+0xf2/0x7e0
[  285.439529]  ? vmalloc_sync_all+0x30/0x30
[  285.443671]  ? error_entry+0x70/0xd0
[  285.447393]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.452403]  ? trace_hardirqs_on_caller+0xc0/0x310
[  285.457325]  ? syscall_return_slowpath+0x5e0/0x5e0
[  285.462249]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.467259]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.472269]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.477721]  ? prepare_exit_to_usermode+0x291/0x3b0
[  285.482747]  ? page_fault+0x8/0x30
[  285.486285]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.491137]  ? page_fault+0x8/0x30
[  285.494672]  page_fault+0x1e/0x30
[  285.498121] RIP: 0033:0x45db60
[  285.501317] Code: Bad RIP value.
[  285.504685] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  285.510043] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  285.517305] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  285.524573] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  285.531838] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  285.539098] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  285.546386] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  285.546447] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  285.553132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  285.553136] Call Trace:
[  285.553154]  dump_stack+0x244/0x39d
[  285.553172]  ? dump_stack_print_info.cold.1+0x20/0x20
[  285.559698] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  285.568986]  warn_alloc.cold.116+0xb7/0x1bd
[  285.571535] syz-fuzzer cpuset=/ mems_allowed=0
[  285.575147]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  285.604411]  ? lock_downgrade+0x900/0x900
[  285.608563]  ? trace_hardirqs_off+0xb8/0x310
[  285.612971]  ? trace_hardirqs_off+0xb8/0x310
[  285.617380]  __alloc_pages_slowpath+0x26e8/0x2e10
[  285.622255]  ? warn_alloc+0x120/0x120
[  285.626057]  ? warn_alloc+0x120/0x120
[  285.629859]  ? warn_alloc+0x120/0x120
[  285.634165]  ? print_usage_bug+0xc0/0xc0
[  285.638225]  ? print_usage_bug+0xc0/0xc0
[  285.642283]  ? __bfs+0x321/0x780
[  285.645656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.651188]  ? should_fail+0x22d/0xd01
[  285.655069]  ? __lock_acquire+0x62f/0x4c20
[  285.659301]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.664397]  ? __lock_acquire+0x62f/0x4c20
[  285.668732]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.673826]  ? __lock_acquire+0x62f/0x4c20
[  285.678052]  ? should_fail+0x22d/0xd01
[  285.681943]  ? mark_held_locks+0x130/0x130
[  285.686179]  ? mark_held_locks+0x130/0x130
[  285.690417]  ? mark_held_locks+0x130/0x130
[  285.694646]  ? zap_class+0x640/0x640
[  285.698352]  ? print_usage_bug+0xc0/0xc0
[  285.702411]  ? mark_held_locks+0x130/0x130
[  285.706645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.712182]  ? check_preemption_disabled+0x48/0x280
[  285.717200]  ? __lock_is_held+0xb5/0x140
[  285.721260]  __alloc_pages_nodemask+0xa80/0xde0
[  285.725926]  ? zap_class+0x640/0x640
[  285.729653]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  285.734675]  ? find_held_lock+0x36/0x1c0
[  285.738738]  ? ____cache_alloc_node+0x1c7/0x1e0
[  285.743400]  ? lock_downgrade+0x900/0x900
[  285.747550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.753086]  cache_grow_begin+0xa5/0x8c0
[  285.757139]  ? do_raw_spin_unlock+0xa7/0x330
[  285.761723]  fallback_alloc+0x204/0x2e0
[  285.765697]  ____cache_alloc_node+0x1c7/0x1e0
[  285.770190]  kmem_cache_alloc_node+0xe3/0x730
[  285.774684]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.778926]  __alloc_skb+0x119/0x770
[  285.782635]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.787907]  ? netdev_alloc_frag+0x1f0/0x1f0
[  285.792313]  ? lock_downgrade+0x900/0x900
[  285.796470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.802339]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.807789]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.813235]  ? addrconf_rs_timer+0x690/0x690
[  285.817652]  ndisc_alloc_skb+0x144/0x340
[  285.821714]  ndisc_send_rs+0x331/0x6e0
[  285.825601]  addrconf_rs_timer+0x314/0x690
[  285.829838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.834078]  call_timer_fn+0x272/0x920
[  285.837958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.842185]  ? process_timeout+0x40/0x40
[  285.846251]  ? __run_timers+0x7da/0xc70
[  285.850225]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.854717]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.859203]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.863432]  ? lockdep_hardirqs_on+0x296/0x5b0
[  285.868016]  ? trace_hardirqs_on+0xbd/0x310
[  285.872331]  ? kasan_check_read+0x11/0x20
[  285.876477]  ? __run_timers+0x7da/0xc70
[  285.880457]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.885571]  ? tcp_compressed_ack_kick+0x220/0x220
[  285.890504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.894732]  __run_timers+0x7e5/0xc70
[  285.898540]  ? timer_fixup_init+0x70/0x70
[  285.902685]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.907175]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.911663]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  285.916241]  ? trace_hardirqs_on+0xbd/0x310
[  285.920555]  ? kasan_check_read+0x11/0x20
[  285.924697]  ? finish_task_switch+0x1f4/0x910
[  285.929190]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.934287]  ? compat_start_thread+0x80/0x80
[  285.938711]  ? pvclock_read_flags+0x160/0x160
[  285.943198]  ? __switch_to_asm+0x34/0x70
[  285.947259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.952790]  ? check_preemption_disabled+0x48/0x280
[  285.957810]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  285.963346]  ? rcu_pm_notify+0xc0/0xc0
[  285.967232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.972764]  ? check_preemption_disabled+0x48/0x280
[  285.977779]  run_timer_softirq+0x52/0xb0
[  285.981837]  ? rcu_read_lock_sched_held+0x14f/0x180
[  285.986848]  __do_softirq+0x308/0xb7e
[  285.990651]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  285.995749]  ? smpboot_thread_fn+0x334/0xa00
[  286.000159]  ? schedule+0x108/0x460
[  286.003787]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.008546]  ? trace_hardirqs_off+0xb8/0x310
[  286.012947]  ? smpboot_thread_fn+0x68b/0xa00
[  286.017349]  ? trace_hardirqs_on+0x310/0x310
[  286.021754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.027285]  ? check_preemption_disabled+0x48/0x280
[  286.032300]  ? takeover_tasklets+0xa90/0xa90
[  286.036704]  run_ksoftirqd+0x5e/0x100
[  286.040500]  smpboot_thread_fn+0x68b/0xa00
[  286.044732]  ? sort_range+0x30/0x30
[  286.048352]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  286.053464]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.059000]  ? __kthread_parkme+0xfb/0x1a0
[  286.063234]  ? sort_range+0x30/0x30
[  286.066857]  kthread+0x35a/0x440
[  286.070217]  ? kthread_stop+0x900/0x900
[  286.074194]  ret_from_fork+0x3a/0x50
[  286.077917] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  286.077922] warn_alloc_show_mem: 1 callbacks suppressed
[  286.077928] Mem-Info:
[  286.084843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.090205] active_anon:52607 inactive_anon:182 isolated_anon:0
[  286.090205]  active_file:12 inactive_file:11 isolated_file:0
[  286.090205]  unevictable:0 dirty:0 writeback:0 unstable:0
[  286.090205]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  286.090205]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  286.090205]  free:13782 free_pcp:358 free_cma:0
[  286.092567] Call Trace:
[  286.092575]  <IRQ>
[  286.101953] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  286.134811]  dump_stack+0x244/0x39d
[  286.137368] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  286.139525]  ? dump_stack_print_info.cold.1+0x20/0x20
[  286.167167] lowmem_reserve[]: 0 2818 6321 6321
[  286.170795]  warn_alloc.cold.116+0xb7/0x1bd
[  286.196897] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  286.202078]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.206623] lowmem_reserve[]: 0 0 3503 3503
[  286.210940]  ? lock_downgrade+0x900/0x900
[  286.238666] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  286.243502]  ? trace_hardirqs_off+0xb8/0x310
[  286.247783] lowmem_reserve[]: 0 0 0 0
[  286.251927]  ? trace_hardirqs_off+0xb8/0x310
[  286.280960] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  286.285367]  __alloc_pages_slowpath+0x26e8/0x2e10
[  286.289134] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  286.293553]  ? warn_alloc+0x120/0x120
[  286.307024] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  286.311858]  ? print_usage_bug+0xc0/0xc0
[  286.327005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  286.330785]  ? warn_alloc+0x120/0x120
[  286.345673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  286.349718]  ? warn_alloc+0x120/0x120
[  286.358520] 266 total pagecache pages
[  286.362305]  ? print_usage_bug+0xc0/0xc0
[  286.370856] 0 pages in swap cache
[  286.374639]  ? print_usage_bug+0xc0/0xc0
[  286.378420] Swap cache stats: add 0, delete 0, find 0/0
[  286.382464]  ? __lock_acquire+0x62f/0x4c20
[  286.385891] Free swap  = 0kB
[  286.389947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.395277] Total swap = 0kB
[  286.399498]  ? should_fail+0x22d/0xd01
[  286.402485] 1965979 pages RAM
[  286.408009]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.410996] 0 pages HighMem/MovableOnly
[  286.414871]  ? __lock_acquire+0x62f/0x4c20
[  286.417942] 342854 pages reserved
[  286.417950] 0 pages cma reserved
[  286.423045]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.427047] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.431203]  ? __lock_acquire+0x62f/0x4c20
[  286.431218]  ? should_fail+0x22d/0xd01
[  286.434717] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.438006]  ? mark_held_locks+0x130/0x130
[  286.443074] ksoftirqd/0 cpuset=/ mems_allowed=0
[  286.449553]  ? mark_held_locks+0x130/0x130
[  286.481014]  ? zap_class+0x640/0x640
[  286.484728]  ? zap_class+0x640/0x640
[  286.488434]  ? print_usage_bug+0xc0/0xc0
[  286.492490]  ? wq_watchdog_touch+0x9c/0xfe
[  286.496721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.502254]  ? check_preemption_disabled+0x48/0x280
[  286.507361]  ? __lock_is_held+0xb5/0x140
[  286.511430]  __alloc_pages_nodemask+0xa80/0xde0
[  286.516102]  ? zap_class+0x640/0x640
[  286.519817]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  286.524855]  ? find_held_lock+0x36/0x1c0
[  286.528926]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.533593]  ? lock_downgrade+0x900/0x900
[  286.537745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.543282]  cache_grow_begin+0xa5/0x8c0
[  286.547336]  ? do_raw_spin_unlock+0xa7/0x330
[  286.551747]  fallback_alloc+0x204/0x2e0
[  286.555726]  ____cache_alloc_node+0x1c7/0x1e0
[  286.560222]  kmem_cache_alloc_node+0xe3/0x730
[  286.564713]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.568957]  __alloc_skb+0x119/0x770
[  286.572665]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.577945]  ? netdev_alloc_frag+0x1f0/0x1f0
[  286.582347]  ? lock_downgrade+0x900/0x900
[  286.586498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.592030]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.597481]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.602933]  ? addrconf_rs_timer+0x690/0x690
[  286.607348]  ndisc_alloc_skb+0x144/0x340
[  286.611414]  ndisc_send_rs+0x331/0x6e0
[  286.615299]  addrconf_rs_timer+0x314/0x690
[  286.619533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.623772]  call_timer_fn+0x272/0x920
[  286.627656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.631886]  ? process_timeout+0x40/0x40
[  286.635955]  ? mark_held_locks+0xc7/0x130
[  286.640102]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.644590]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.649077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.653305]  ? lockdep_hardirqs_on+0x296/0x5b0
[  286.657886]  ? trace_hardirqs_on+0xbd/0x310
[  286.662207]  ? kasan_check_read+0x11/0x20
[  286.666349]  ? __run_timers+0x7da/0xc70
[  286.670316]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.675423]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.679822]  __run_timers+0x7e5/0xc70
[  286.683625]  ? timer_fixup_init+0x70/0x70
[  286.687770]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  286.692785]  ? zap_class+0x640/0x640
[  286.696496]  ? print_usage_bug+0xc0/0xc0
[  286.700552]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  286.705746]  ? find_held_lock+0x36/0x1c0
[  286.709808]  ? zap_class+0x640/0x640
[  286.713527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.719058]  ? check_preemption_disabled+0x48/0x280
[  286.724079]  ? __lock_is_held+0xb5/0x140
[  286.728135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.733671]  ? check_preemption_disabled+0x48/0x280
[  286.738685]  run_timer_softirq+0x52/0xb0
[  286.742744]  ? rcu_read_lock_sched_held+0x14f/0x180
[  286.747755]  __do_softirq+0x308/0xb7e
[  286.751553]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  286.756044]  ? lock_downgrade+0x900/0x900
[  286.760198]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  286.765302]  ? pvclock_read_flags+0x160/0x160
[  286.769797]  ? lapic_next_event+0x5a/0x90
[  286.773941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.779483]  ? kvm_clock_read+0x18/0x30
[  286.783455]  ? kvm_sched_clock_read+0x9/0x20
[  286.787859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.793403]  ? check_preemption_disabled+0x48/0x280
[  286.798423]  irq_exit+0x17f/0x1c0
[  286.801871]  smp_apic_timer_interrupt+0x1cb/0x760
[  286.806710]  ? smp_reschedule_interrupt+0x109/0x650
[  286.811724]  ? smp_call_function_single_interrupt+0x650/0x650
[  286.817606]  ? interrupt_entry+0xb5/0xc0
[  286.821662]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.826674]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.831687]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.836531]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.841539]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.846555]  ? task_prio+0x50/0x50
[  286.850095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.855634]  ? check_preemption_disabled+0x48/0x280
[  286.860653]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.865499]  apic_timer_interrupt+0xf/0x20
[  286.869723]  </IRQ>
[  286.871958] RIP: 0010:lock_is_held_type+0x18b/0x210
[  286.876970] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  286.895866] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  286.903574] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  286.910840] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  286.918106] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  286.925376] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  286.932637] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  286.939934]  rcu_read_lock_held+0xa9/0xc0
[  286.944082]  css_next_child+0x2a2/0x620
[  286.948061]  ? cgroup_mount+0xd30/0xd30
[  286.952035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.957570]  ? check_preemption_disabled+0x48/0x280
[  286.962589]  ? __lock_is_held+0xb5/0x140
[  286.966662]  css_next_descendant_pre+0xeb/0x190
[  286.971331]  mem_cgroup_iter+0x42f/0x1160
[  286.975486]  ? kasan_check_write+0x14/0x20
[  286.979722]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  286.984476]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  286.989495]  ? shrink_slab+0xfa/0x8c0
[  286.993291]  ? shrink_active_list+0x1f00/0x1f00
[  286.997970]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  287.003596]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.008702]  ? cgroup_procs_write_finish+0xf0/0xf0
[  287.013644]  ? find_held_lock+0x36/0x1c0
[  287.017704]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.023238]  ? vmpressure+0x1a2/0x340
[  287.027038]  shrink_node+0x516/0x16b0
[  287.030837]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  287.036141]  ? shrink_node_memcg+0x18f0/0x18f0
[  287.040729]  ? kvm_clock_read+0x18/0x30
[  287.044699]  ? ktime_get+0x2c1/0x400
[  287.048413]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  287.052908]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  287.058439]  ? __cpuset_node_allowed+0x19b/0x660
[  287.063195]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  287.068907]  ? delayacct_end+0x5a/0x100
[  287.072888]  do_try_to_free_pages+0x3e7/0x1290
[  287.077464]  ? zap_class+0x640/0x640
[  287.081187]  ? shrink_node+0x16b0/0x16b0
[  287.085243]  ? __lock_is_held+0xb5/0x140
[  287.089312]  try_to_free_pages+0x4d0/0xb90
[  287.093554]  ? do_try_to_free_pages+0x1290/0x1290
[  287.098404]  ? lock_acquire+0x1ed/0x520
[  287.102379]  ? set_page_refcounted+0x280/0x280
[  287.106962]  ? lock_release+0xa00/0xa00
[  287.110930]  ? _raw_spin_unlock_irq+0x60/0x80
[  287.115421]  ? psi_memstall_enter+0x240/0x2b0
[  287.119912]  ? psi_memstall_tick+0x230/0x230
[  287.124328]  __alloc_pages_slowpath+0xa14/0x2e10
[  287.129109]  ? warn_alloc+0x120/0x120
[  287.133078]  ? mark_held_locks+0x130/0x130
[  287.137311]  ? find_get_entry+0xaae/0x1120
[  287.141575]  ? filemap_map_pages+0x1a20/0x1a20
[  287.146155]  ? zap_class+0x640/0x640
[  287.149968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.155503]  ? check_preemption_disabled+0x48/0x280
[  287.160514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.166045]  ? should_fail+0x22d/0xd01
[  287.169943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.175041]  ? zap_class+0x640/0x640
[  287.178770]  ? __lock_is_held+0xb5/0x140
[  287.182835]  ? mark_held_locks+0x130/0x130
[  287.187070]  ? lock_release+0xa00/0xa00
[  287.191041]  ? perf_trace_sched_process_exec+0x860/0x860
[  287.196489]  ? xa_load+0x2ba/0x460
[  287.200030]  ? lock_downgrade+0x900/0x900
[  287.204177]  ? __might_sleep+0x95/0x190
[  287.208162]  __alloc_pages_nodemask+0xa80/0xde0
[  287.212832]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  287.217842]  ? __page_cache_alloc+0x191/0x5c0
[  287.222342]  ? xa_load+0x2e1/0x460
[  287.225884]  ? xa_clear_mark+0x40/0x40
[  287.229769]  ? zap_class+0x640/0x640
[  287.233485]  ? zap_class+0x640/0x640
[  287.237204]  ? zap_class+0x640/0x640
[  287.240912]  ? __do_page_cache_readahead+0x663/0x810
[  287.246452]  ? find_held_lock+0x36/0x1c0
[  287.250515]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  287.256053]  alloc_pages_current+0x173/0x350
[  287.260843]  __page_cache_alloc+0x38c/0x5c0
[  287.265162]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.270084]  ? kasan_check_read+0x11/0x20
[  287.274229]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.279502]  ? generic_perform_write+0x6a0/0x6a0
[  287.284255]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.289790]  ? check_preemption_disabled+0x48/0x280
[  287.294812]  filemap_fault+0x1595/0x25f0
[  287.298882]  ? __lock_page_or_retry+0xa00/0xa00
[  287.303549]  ? mark_held_locks+0x130/0x130
[  287.307790]  ? filemap_map_pages+0xd6b/0x1a20
[  287.312279]  ? lock_downgrade+0x900/0x900
[  287.316427]  ? check_preemption_disabled+0x48/0x280
[  287.321442]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.326368]  ? kasan_check_read+0x11/0x20
[  287.330512]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.335786]  ? rcu_softirq_qs+0x20/0x20
[  287.339765]  ? filemap_map_pages+0xd92/0x1a20
[  287.344267]  ? print_usage_bug+0xc0/0xc0
[  287.348333]  ? find_get_entries_tag+0x1400/0x1400
[  287.353170]  ? __kasan_slab_free+0x102/0x150
[  287.357570]  ? kasan_slab_free+0xe/0x10
[  287.361541]  ? kmem_cache_free+0x83/0x290
[  287.365692]  ? __sigqueue_free.part.29+0x74/0x90
[  287.370459]  ? lock_acquire+0x1ed/0x520
[  287.374427]  ? ext4_filemap_fault+0x7a/0xad
[  287.378749]  ? lock_release+0xa00/0xa00
[  287.382719]  ? perf_trace_sched_process_exec+0x860/0x860
[  287.388163]  ? print_usage_bug+0xc0/0xc0
[  287.392219]  ? print_usage_bug+0xc0/0xc0
[  287.396285]  ? down_read+0x8d/0x120
[  287.399916]  ? ext4_filemap_fault+0x7a/0xad
[  287.404237]  ? __down_interruptible+0x700/0x700
[  287.408910]  ext4_filemap_fault+0x82/0xad
[  287.413055]  __do_fault+0x100/0x6b0
[  287.416682]  ? pmd_devmap_trans_unstable+0x220/0x220
[  287.421783]  ? mark_held_locks+0x130/0x130
[  287.426015]  ? mark_held_locks+0x130/0x130
[  287.430250]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  287.435787]  ? rcu_pm_notify+0xc0/0xc0
[  287.439683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.445312]  __handle_mm_fault+0x3ea0/0x5be0
[  287.449733]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  287.454571]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.459070]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  287.463649]  ? trace_hardirqs_on+0xbd/0x310
[  287.467966]  ? kasan_check_read+0x11/0x20
[  287.472110]  ? __set_current_blocked+0xdf/0x120
[  287.476777]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.481888]  ? zap_class+0x640/0x640
[  287.485597]  ? zap_class+0x640/0x640
[  287.489309]  ? find_held_lock+0x36/0x1c0
[  287.493382]  ? handle_mm_fault+0x42a/0xc70
[  287.497615]  ? lock_downgrade+0x900/0x900
[  287.501757]  ? check_preemption_disabled+0x48/0x280
[  287.506768]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.511694]  ? kasan_check_read+0x11/0x20
[  287.515836]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.521113]  ? rcu_softirq_qs+0x20/0x20
[  287.525098]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.530199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.535819]  ? check_preemption_disabled+0x48/0x280
[  287.540840]  handle_mm_fault+0x54f/0xc70
[  287.544903]  ? __handle_mm_fault+0x5be0/0x5be0
[  287.549488]  ? find_vma+0x34/0x190
[  287.553030]  __do_page_fault+0x5e8/0xe60
[  287.557090]  ? exit_to_usermode_loop+0x1f4/0x380
[  287.561853]  do_page_fault+0xf2/0x7e0
[  287.565652]  ? vmalloc_sync_all+0x30/0x30
[  287.569795]  ? error_entry+0x70/0xd0
[  287.573504]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.578513]  ? trace_hardirqs_on_caller+0xc0/0x310
[  287.583439]  ? syscall_return_slowpath+0x5e0/0x5e0
[  287.588362]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.593289]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.598313]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  287.603765]  ? prepare_exit_to_usermode+0x291/0x3b0
[  287.608779]  ? page_fault+0x8/0x30
[  287.612323]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.617166]  ? page_fault+0x8/0x30
[  287.620702]  page_fault+0x1e/0x30
[  287.624152] RIP: 0033:0x45db60
[  287.627353] Code: Bad RIP value.
[  287.630710] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  287.636425] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  287.643688] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  287.650949] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  287.658210] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  287.665472] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  287.672759] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  287.672826] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  287.679504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  287.679511] Call Trace:
[  287.686054] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  287.695340]  dump_stack+0x244/0x39d
[  287.697890] syz-fuzzer cpuset=/ mems_allowed=0
[  287.708103]  ? dump_stack_print_info.cold.1+0x20/0x20
[  287.721453]  warn_alloc.cold.116+0xb7/0x1bd
[  287.725773]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.730612]  ? lock_downgrade+0x900/0x900
[  287.734762]  ? trace_hardirqs_off+0xb8/0x310
[  287.739171]  ? trace_hardirqs_off+0xb8/0x310
[  287.743585]  __alloc_pages_slowpath+0x26e8/0x2e10
[  287.748449]  ? warn_alloc+0x120/0x120
[  287.752249]  ? print_usage_bug+0xc0/0xc0
[  287.756311]  ? warn_alloc+0x120/0x120
[  287.760112]  ? warn_alloc+0x120/0x120
[  287.763911]  ? print_usage_bug+0xc0/0xc0
[  287.767972]  ? print_usage_bug+0xc0/0xc0
[  287.772036]  ? __lock_acquire+0x62f/0x4c20
[  287.776274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.781813]  ? should_fail+0x22d/0xd01
[  287.785698]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.790801]  ? __lock_acquire+0x62f/0x4c20
[  287.795037]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.801473]  ? __lock_acquire+0x62f/0x4c20
[  287.805707]  ? should_fail+0x22d/0xd01
[  287.809595]  ? find_held_lock+0x36/0x1c0
[  287.813659]  ? mark_held_locks+0x130/0x130
[  287.817892]  ? mark_held_locks+0x130/0x130
[  287.822122]  ? zap_class+0x640/0x640
[  287.825842]  ? mark_held_locks+0xc7/0x130
[  287.829981]  ? do_raw_spin_unlock+0xa7/0x330
[  287.834381]  ? zap_class+0x640/0x640
[  287.838088]  ? print_usage_bug+0xc0/0xc0
[  287.842235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.847768]  ? check_preemption_disabled+0x48/0x280
[  287.852789]  ? __lock_is_held+0xb5/0x140
[  287.856852]  __alloc_pages_nodemask+0xa80/0xde0
[  287.861515]  ? zap_class+0x640/0x640
[  287.865229]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  287.870263]  ? find_held_lock+0x36/0x1c0
[  287.874345]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.879011]  ? lock_downgrade+0x900/0x900
[  287.883161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.888695]  cache_grow_begin+0xa5/0x8c0
[  287.892750]  ? do_raw_spin_unlock+0xa7/0x330
[  287.897158]  fallback_alloc+0x204/0x2e0
[  287.901133]  ____cache_alloc_node+0x1c7/0x1e0
[  287.905630]  kmem_cache_alloc_node+0xe3/0x730
[  287.910121]  ? ipv6_get_ifaddr+0x42e/0x620
[  287.914363]  __alloc_skb+0x119/0x770
[  287.918075]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.923352]  ? netdev_alloc_frag+0x1f0/0x1f0
[  287.927757]  ? lock_downgrade+0x900/0x900
[  287.931905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.937443]  ? refcount_sub_and_test_checked+0x203/0x310
[  287.942890]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  287.948421]  ? addrconf_rs_timer+0x690/0x690
[  287.952833]  ndisc_alloc_skb+0x144/0x340
[  287.956892]  ndisc_send_rs+0x331/0x6e0
[  287.960789]  addrconf_rs_timer+0x314/0x690
[  287.965026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.969265]  call_timer_fn+0x272/0x920
[  287.973157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.977386]  ? process_timeout+0x40/0x40
[  287.981447]  ? __run_timers+0x7da/0xc70
[  287.985418]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.989906]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.994481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.998709]  ? lockdep_hardirqs_on+0x296/0x5b0
[  288.003295]  ? trace_hardirqs_on+0xbd/0x310
[  288.007614]  ? kasan_check_read+0x11/0x20
[  288.011753]  ? __run_timers+0x7da/0xc70
[  288.015721]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.020833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.025066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.029298]  __run_timers+0x7e5/0xc70
[  288.033105]  ? timer_fixup_init+0x70/0x70
[  288.037246]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.041738]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.046229]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  288.050805]  ? trace_hardirqs_on+0xbd/0x310
[  288.055123]  ? kasan_check_read+0x11/0x20
[  288.059274]  ? finish_task_switch+0x1f4/0x910
[  288.063770]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.068865]  ? compat_start_thread+0x80/0x80
[  288.073308]  ? pvclock_read_flags+0x160/0x160
[  288.077797]  ? __switch_to_asm+0x34/0x70
[  288.081853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.087384]  ? check_preemption_disabled+0x48/0x280
[  288.092415]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  288.097951]  ? rcu_pm_notify+0xc0/0xc0
[  288.101834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.107368]  ? check_preemption_disabled+0x48/0x280
[  288.112386]  run_timer_softirq+0x52/0xb0
[  288.116453]  ? rcu_read_lock_sched_held+0x14f/0x180
[  288.121462]  __do_softirq+0x308/0xb7e
[  288.125272]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  288.130373]  ? smpboot_thread_fn+0x334/0xa00
[  288.134782]  ? schedule+0x108/0x460
[  288.138403]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  288.143159]  ? trace_hardirqs_off+0xb8/0x310
[  288.147566]  ? smpboot_thread_fn+0x68b/0xa00
[  288.151968]  ? trace_hardirqs_on+0x310/0x310
[  288.156370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.161901]  ? check_preemption_disabled+0x48/0x280
[  288.166916]  ? takeover_tasklets+0xa90/0xa90
[  288.171320]  run_ksoftirqd+0x5e/0x100
[  288.175117]  smpboot_thread_fn+0x68b/0xa00
[  288.179351]  ? sort_range+0x30/0x30
[  288.182973]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.188075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.193606]  ? __kthread_parkme+0xfb/0x1a0
[  288.197840]  ? sort_range+0x30/0x30
[  288.201464]  kthread+0x35a/0x440
[  288.204829]  ? kthread_stop+0x900/0x900
[  288.208798]  ret_from_fork+0x3a/0x50
[  288.212524] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  288.212528] warn_alloc_show_mem: 1 callbacks suppressed
[  288.212534] Mem-Info:
[  288.219447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.224810] active_anon:52607 inactive_anon:182 isolated_anon:0
[  288.224810]  active_file:12 inactive_file:11 isolated_file:0
[  288.224810]  unevictable:0 dirty:0 writeback:0 unstable:0
[  288.224810]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  288.224810]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  288.224810]  free:13782 free_pcp:358 free_cma:0
[  288.227190] Call Trace:
[  288.236563] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  288.269618]  <IRQ>
[  288.272184] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  288.299681]  dump_stack+0x244/0x39d
[  288.301800] lowmem_reserve[]: 0 2818 6321 6321
[  288.327911]  ? dump_stack_print_info.cold.1+0x20/0x20
[  288.331505] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  288.336097]  warn_alloc.cold.116+0xb7/0x1bd
[  288.341253] lowmem_reserve[]: 0 0 3503 3503
[  288.368912]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  288.373205] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  288.377515]  ? lock_downgrade+0x900/0x900
[  288.382328] lowmem_reserve[]: 0 0 0 0
[  288.411293]  ? trace_hardirqs_off+0xb8/0x310
[  288.415412] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  288.419208]  ? trace_hardirqs_off+0xb8/0x310
[  288.423586] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  288.437106]  __alloc_pages_slowpath+0x26e8/0x2e10
[  288.441480] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  288.456754]  ? warn_alloc+0x120/0x120
[  288.461553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  288.476458]  ? print_usage_bug+0xc0/0xc0
[  288.480238] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  288.489050]  ? warn_alloc+0x120/0x120
[  288.493083] 266 total pagecache pages
[  288.501645]  ? warn_alloc+0x120/0x120
[  288.505420] 0 pages in swap cache
[  288.509201]  ? print_usage_bug+0xc0/0xc0
[  288.512975] Swap cache stats: add 0, delete 0, find 0/0
[  288.516413]  ? kvm_clock_read+0x18/0x30
[  288.520444] Free swap  = 0kB
[  288.525791]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  288.529728] Total swap = 0kB
[  288.529735] 1965979 pages RAM
[  288.532741]  ? print_usage_bug+0xc0/0xc0
[  288.537726] 0 pages HighMem/MovableOnly
[  288.537733] 342854 pages reserved
[  288.540740]  ? __lock_acquire+0x62f/0x4c20
[  288.543818] 0 pages cma reserved
[  288.547866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.551873] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.555257]  ? should_fail+0x22d/0xd01
[  288.559519] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.562824]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.568329] ksoftirqd/0 cpuset=/ mems_allowed=0
[  288.574811]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.603949]  ? __lock_acquire+0x62f/0x4c20
[  288.608185]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.613290]  ? __lock_acquire+0x62f/0x4c20
[  288.617516]  ? should_fail+0x22d/0xd01
[  288.621397]  ? rcu_irq_exit+0x1a2/0x390
[  288.625380]  ? mark_held_locks+0x130/0x130
[  288.629615]  ? mark_held_locks+0x130/0x130
[  288.633848]  ? mark_held_locks+0xc7/0x130
[  288.637989]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  288.642998]  ? zap_class+0x640/0x640
[  288.646705]  ? print_usage_bug+0xc0/0xc0
[  288.650772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.656316]  ? check_preemption_disabled+0x48/0x280
[  288.661423]  ? __lock_is_held+0xb5/0x140
[  288.665483]  __alloc_pages_nodemask+0xa80/0xde0
[  288.670145]  ? zap_class+0x640/0x640
[  288.673856]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  288.678875]  ? find_held_lock+0x36/0x1c0
[  288.682940]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.687602]  ? lock_downgrade+0x900/0x900
[  288.691759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.697299]  cache_grow_begin+0xa5/0x8c0
[  288.701354]  ? do_raw_spin_unlock+0xa7/0x330
[  288.705768]  fallback_alloc+0x204/0x2e0
[  288.709750]  ____cache_alloc_node+0x1c7/0x1e0
[  288.714249]  kmem_cache_alloc_node+0xe3/0x730
[  288.718739]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.722988]  __alloc_skb+0x119/0x770
[  288.726694]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.731968]  ? netdev_alloc_frag+0x1f0/0x1f0
[  288.736395]  ? lock_downgrade+0x900/0x900
[  288.740544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.746074]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.751520]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.756976]  ? addrconf_rs_timer+0x690/0x690
[  288.761394]  ndisc_alloc_skb+0x144/0x340
[  288.765453]  ndisc_send_rs+0x331/0x6e0
[  288.769339]  addrconf_rs_timer+0x314/0x690
[  288.773573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.777813]  call_timer_fn+0x272/0x920
[  288.781693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.785926]  ? process_timeout+0x40/0x40
[  288.789988]  ? mark_held_locks+0xc7/0x130
[  288.794130]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.798621]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.803111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.807341]  ? lockdep_hardirqs_on+0x296/0x5b0
[  288.811919]  ? trace_hardirqs_on+0xbd/0x310
[  288.816430]  ? kasan_check_read+0x11/0x20
[  288.820574]  ? __run_timers+0x7da/0xc70
[  288.824549]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.829651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.833887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.838116]  __run_timers+0x7e5/0xc70
[  288.841921]  ? timer_fixup_init+0x70/0x70
[  288.846064]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  288.851075]  ? zap_class+0x640/0x640
[  288.854787]  ? print_usage_bug+0xc0/0xc0
[  288.858849]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  288.864040]  ? find_held_lock+0x36/0x1c0
[  288.868100]  ? zap_class+0x640/0x640
[  288.871814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.877349]  ? check_preemption_disabled+0x48/0x280
[  288.882369]  ? __lock_is_held+0xb5/0x140
[  288.886424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.891954]  ? check_preemption_disabled+0x48/0x280
[  288.896973]  run_timer_softirq+0x52/0xb0
[  288.901036]  ? rcu_read_lock_sched_held+0x14f/0x180
[  288.906044]  __do_softirq+0x308/0xb7e
[  288.909847]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  288.914343]  ? lock_downgrade+0x900/0x900
[  288.918488]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  288.923590]  ? pvclock_read_flags+0x160/0x160
[  288.928082]  ? lapic_next_event+0x5a/0x90
[  288.932230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.937768]  ? kvm_clock_read+0x18/0x30
[  288.941743]  ? kvm_sched_clock_read+0x9/0x20
[  288.946146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.951677]  ? check_preemption_disabled+0x48/0x280
[  288.956695]  irq_exit+0x17f/0x1c0
[  288.960149]  smp_apic_timer_interrupt+0x1cb/0x760
[  288.964990]  ? smp_reschedule_interrupt+0x109/0x650
[  288.970004]  ? smp_call_function_single_interrupt+0x650/0x650
[  288.975882]  ? interrupt_entry+0xb5/0xc0
[  288.979938]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.984947]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.989988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.994914]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.999925]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.004933]  ? task_prio+0x50/0x50
[  289.008470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.014009]  ? check_preemption_disabled+0x48/0x280
[  289.019023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.023870]  apic_timer_interrupt+0xf/0x20
[  289.028093]  </IRQ>
[  289.030330] RIP: 0010:lock_is_held_type+0x18b/0x210
[  289.035340] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  289.054323] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  289.062024] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  289.069289] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  289.076554] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  289.083819] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  289.091079] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  289.098365]  rcu_read_lock_held+0xa9/0xc0
[  289.102509]  css_next_child+0x2a2/0x620
[  289.106486]  ? cgroup_mount+0xd30/0xd30
[  289.110460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.116001]  ? check_preemption_disabled+0x48/0x280
[  289.121020]  ? __lock_is_held+0xb5/0x140
[  289.125089]  css_next_descendant_pre+0xeb/0x190
[  289.129759]  mem_cgroup_iter+0x42f/0x1160
[  289.133902]  ? kasan_check_write+0x14/0x20
[  289.138137]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  289.142885]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  289.147902]  ? shrink_slab+0xfa/0x8c0
[  289.151785]  ? shrink_active_list+0x1f00/0x1f00
[  289.156464]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  289.162084]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  289.167197]  ? cgroup_procs_write_finish+0xf0/0xf0
[  289.172127]  ? find_held_lock+0x36/0x1c0
[  289.176191]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.181728]  ? vmpressure+0x1a2/0x340
[  289.185528]  shrink_node+0x516/0x16b0
[  289.189323]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  289.194620]  ? shrink_node_memcg+0x18f0/0x18f0
[  289.199205]  ? kvm_clock_read+0x18/0x30
[  289.203184]  ? ktime_get+0x2c1/0x400
[  289.206899]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  289.211478]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  289.217009]  ? __cpuset_node_allowed+0x19b/0x660
[  289.221771]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  289.227481]  ? delayacct_end+0x5a/0x100
[  289.231457]  do_try_to_free_pages+0x3e7/0x1290
[  289.236030]  ? zap_class+0x640/0x640
[  289.239755]  ? shrink_node+0x16b0/0x16b0
[  289.243812]  ? __lock_is_held+0xb5/0x140
[  289.247880]  try_to_free_pages+0x4d0/0xb90
[  289.252116]  ? do_try_to_free_pages+0x1290/0x1290
[  289.256964]  ? lock_acquire+0x1ed/0x520
[  289.260935]  ? set_page_refcounted+0x280/0x280
[  289.265519]  ? lock_release+0xa00/0xa00
[  289.269492]  ? _raw_spin_unlock_irq+0x60/0x80
[  289.273981]  ? psi_memstall_enter+0x240/0x2b0
[  289.278474]  ? psi_memstall_tick+0x230/0x230
[  289.282889]  __alloc_pages_slowpath+0xa14/0x2e10
[  289.287664]  ? warn_alloc+0x120/0x120
[  289.291467]  ? mark_held_locks+0x130/0x130
[  289.295711]  ? find_get_entry+0xaae/0x1120
[  289.299947]  ? filemap_map_pages+0x1a20/0x1a20
[  289.304530]  ? zap_class+0x640/0x640
[  289.308257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.313797]  ? check_preemption_disabled+0x48/0x280
[  289.318810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.324354]  ? should_fail+0x22d/0xd01
[  289.328248]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.333349]  ? zap_class+0x640/0x640
[  289.337081]  ? __lock_is_held+0xb5/0x140
[  289.341144]  ? mark_held_locks+0x130/0x130
[  289.345392]  ? lock_release+0xa00/0xa00
[  289.349367]  ? perf_trace_sched_process_exec+0x860/0x860
[  289.354814]  ? xa_load+0x2ba/0x460
[  289.358353]  ? lock_downgrade+0x900/0x900
[  289.362503]  ? __might_sleep+0x95/0x190
[  289.366485]  __alloc_pages_nodemask+0xa80/0xde0
[  289.371162]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  289.376185]  ? __page_cache_alloc+0x191/0x5c0
[  289.380672]  ? xa_load+0x2e1/0x460
[  289.384213]  ? xa_clear_mark+0x40/0x40
[  289.388097]  ? zap_class+0x640/0x640
[  289.391814]  ? zap_class+0x640/0x640
[  289.395521]  ? zap_class+0x640/0x640
[  289.399233]  ? __do_page_cache_readahead+0x663/0x810
[  289.404339]  ? find_held_lock+0x36/0x1c0
[  289.408400]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  289.414023]  alloc_pages_current+0x173/0x350
[  289.418435]  __page_cache_alloc+0x38c/0x5c0
[  289.422750]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.427698]  ? kasan_check_read+0x11/0x20
[  289.431841]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.437116]  ? generic_perform_write+0x6a0/0x6a0
[  289.441877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.447410]  ? check_preemption_disabled+0x48/0x280
[  289.452429]  filemap_fault+0x1595/0x25f0
[  289.456496]  ? __lock_page_or_retry+0xa00/0xa00
[  289.461173]  ? mark_held_locks+0x130/0x130
[  289.465415]  ? filemap_map_pages+0xd6b/0x1a20
[  289.469927]  ? lock_downgrade+0x900/0x900
[  289.474070]  ? check_preemption_disabled+0x48/0x280
[  289.479085]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.484011]  ? kasan_check_read+0x11/0x20
[  289.488159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.493430]  ? rcu_softirq_qs+0x20/0x20
[  289.497418]  ? filemap_map_pages+0xd92/0x1a20
[  289.501910]  ? print_usage_bug+0xc0/0xc0
[  289.505972]  ? find_get_entries_tag+0x1400/0x1400
[  289.510808]  ? __kasan_slab_free+0x102/0x150
[  289.515209]  ? kasan_slab_free+0xe/0x10
[  289.519180]  ? kmem_cache_free+0x83/0x290
[  289.523324]  ? __sigqueue_free.part.29+0x74/0x90
[  289.528091]  ? lock_acquire+0x1ed/0x520
[  289.532061]  ? ext4_filemap_fault+0x7a/0xad
[  289.536386]  ? lock_release+0xa00/0xa00
[  289.540442]  ? perf_trace_sched_process_exec+0x860/0x860
[  289.545887]  ? print_usage_bug+0xc0/0xc0
[  289.549944]  ? print_usage_bug+0xc0/0xc0
[  289.554009]  ? down_read+0x8d/0x120
[  289.557626]  ? ext4_filemap_fault+0x7a/0xad
[  289.561947]  ? __down_interruptible+0x700/0x700
[  289.566617]  ext4_filemap_fault+0x82/0xad
[  289.570762]  __do_fault+0x100/0x6b0
[  289.574396]  ? pmd_devmap_trans_unstable+0x220/0x220
[  289.579497]  ? mark_held_locks+0x130/0x130
[  289.583730]  ? mark_held_locks+0x130/0x130
[  289.587961]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  289.593495]  ? rcu_pm_notify+0xc0/0xc0
[  289.597388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.603014]  __handle_mm_fault+0x3ea0/0x5be0
[  289.607426]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  289.612259]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.616750]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  289.621327]  ? trace_hardirqs_on+0xbd/0x310
[  289.625643]  ? kasan_check_read+0x11/0x20
[  289.629790]  ? __set_current_blocked+0xdf/0x120
[  289.634751]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.639860]  ? zap_class+0x640/0x640
[  289.643567]  ? zap_class+0x640/0x640
[  289.647281]  ? find_held_lock+0x36/0x1c0
[  289.651347]  ? handle_mm_fault+0x42a/0xc70
[  289.655577]  ? lock_downgrade+0x900/0x900
[  289.659726]  ? check_preemption_disabled+0x48/0x280
[  289.664740]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  289.669672]  ? kasan_check_read+0x11/0x20
[  289.673814]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.679085]  ? rcu_softirq_qs+0x20/0x20
[  289.683054]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.688160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.693694]  ? check_preemption_disabled+0x48/0x280
[  289.698713]  handle_mm_fault+0x54f/0xc70
[  289.702773]  ? __handle_mm_fault+0x5be0/0x5be0
[  289.707357]  ? find_vma+0x34/0x190
[  289.710899]  __do_page_fault+0x5e8/0xe60
[  289.714956]  ? exit_to_usermode_loop+0x1f4/0x380
[  289.719718]  do_page_fault+0xf2/0x7e0
[  289.723515]  ? vmalloc_sync_all+0x30/0x30
[  289.727676]  ? error_entry+0x70/0xd0
[  289.731384]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.736396]  ? trace_hardirqs_on_caller+0xc0/0x310
[  289.741318]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.746240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.751079]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.756096]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.761552]  ? prepare_exit_to_usermode+0x291/0x3b0
[  289.766564]  ? page_fault+0x8/0x30
[  289.770100]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.774947]  ? page_fault+0x8/0x30
[  289.778480]  page_fault+0x1e/0x30
[  289.781924] RIP: 0033:0x45db60
[  289.785127] Code: Bad RIP value.
[  289.788487] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  289.793842] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  289.801587] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  289.808855] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  289.816126] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  289.823388] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  289.830683] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  289.830741] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.837428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.837433] Call Trace:
[  289.837453]  dump_stack+0x244/0x39d
[  289.837472]  ? dump_stack_print_info.cold.1+0x20/0x20
[  289.844010] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.853301]  warn_alloc.cold.116+0xb7/0x1bd
[  289.855854] syz-fuzzer cpuset=/ mems_allowed=0
[  289.859466]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.888527]  ? lock_downgrade+0x900/0x900
[  289.892679]  ? trace_hardirqs_off+0xb8/0x310
[  289.897088]  ? trace_hardirqs_off+0xb8/0x310
[  289.901503]  __alloc_pages_slowpath+0x26e8/0x2e10
[  289.906372]  ? warn_alloc+0x120/0x120
[  289.910172]  ? print_usage_bug+0xc0/0xc0
[  289.914229]  ? warn_alloc+0x120/0x120
[  289.918031]  ? warn_alloc+0x120/0x120
[  289.921830]  ? print_usage_bug+0xc0/0xc0
[  289.925893]  ? print_usage_bug+0xc0/0xc0
[  289.929950]  ? __lock_acquire+0x62f/0x4c20
[  289.934195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.939726]  ? should_fail+0x22d/0xd01
[  289.943615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.948716]  ? __lock_acquire+0x62f/0x4c20
[  289.952948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.958042]  ? __lock_acquire+0x62f/0x4c20
[  289.962272]  ? should_fail+0x22d/0xd01
[  289.966159]  ? find_held_lock+0x36/0x1c0
[  289.970224]  ? mark_held_locks+0x130/0x130
[  289.974458]  ? mark_held_locks+0x130/0x130
[  289.978686]  ? zap_class+0x640/0x640
[  289.982396]  ? zap_class+0x640/0x640
[  289.986114]  ? print_usage_bug+0xc0/0xc0
[  289.990174]  ? do_raw_spin_unlock+0xa7/0x330
[  289.994576]  ? zap_class+0x640/0x640
[  289.998287]  ? print_usage_bug+0xc0/0xc0
[  290.002344]  ? wq_watchdog_touch+0x9c/0xfe
[  290.006576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.012116]  ? check_preemption_disabled+0x48/0x280
[  290.017144]  ? __lock_is_held+0xb5/0x140
[  290.021206]  __alloc_pages_nodemask+0xa80/0xde0
[  290.025873]  ? zap_class+0x640/0x640
[  290.029598]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  290.034620]  ? find_held_lock+0x36/0x1c0
[  290.038683]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.043347]  ? lock_downgrade+0x900/0x900
[  290.047496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.053031]  cache_grow_begin+0xa5/0x8c0
[  290.057088]  ? do_raw_spin_unlock+0xa7/0x330
[  290.061505]  fallback_alloc+0x204/0x2e0
[  290.065482]  ____cache_alloc_node+0x1c7/0x1e0
[  290.069978]  kmem_cache_alloc_node+0xe3/0x730
[  290.074466]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.078703]  __alloc_skb+0x119/0x770
[  290.082409]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.087682]  ? netdev_alloc_frag+0x1f0/0x1f0
[  290.092088]  ? lock_downgrade+0x900/0x900
[  290.096245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.101780]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.107230]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.112676]  ? addrconf_rs_timer+0x690/0x690
[  290.117099]  ndisc_alloc_skb+0x144/0x340
[  290.121169]  ndisc_send_rs+0x331/0x6e0
[  290.125056]  addrconf_rs_timer+0x314/0x690
[  290.129289]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.133531]  call_timer_fn+0x272/0x920
[  290.137412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.141639]  ? process_timeout+0x40/0x40
[  290.145701]  ? __run_timers+0x7da/0xc70
[  290.149676]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.154161]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.158649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.162881]  ? lockdep_hardirqs_on+0x296/0x5b0
[  290.167461]  ? trace_hardirqs_on+0xbd/0x310
[  290.171948]  ? kasan_check_read+0x11/0x20
[  290.176095]  ? __run_timers+0x7da/0xc70
[  290.180066]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.185178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.189411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.193638]  __run_timers+0x7e5/0xc70
[  290.197443]  ? timer_fixup_init+0x70/0x70
[  290.201588]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.206078]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.210579]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  290.215158]  ? trace_hardirqs_on+0xbd/0x310
[  290.219472]  ? kasan_check_read+0x11/0x20
[  290.223621]  ? finish_task_switch+0x1f4/0x910
[  290.228110]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.233210]  ? compat_start_thread+0x80/0x80
[  290.237636]  ? pvclock_read_flags+0x160/0x160
[  290.242129]  ? __switch_to_asm+0x34/0x70
[  290.246185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.251716]  ? check_preemption_disabled+0x48/0x280
[  290.256733]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  290.262264]  ? rcu_pm_notify+0xc0/0xc0
[  290.266147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.271678]  ? check_preemption_disabled+0x48/0x280
[  290.276692]  run_timer_softirq+0x52/0xb0
[  290.280747]  ? rcu_read_lock_sched_held+0x14f/0x180
[  290.285756]  __do_softirq+0x308/0xb7e
[  290.289572]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  290.294669]  ? smpboot_thread_fn+0x334/0xa00
[  290.299082]  ? schedule+0x108/0x460
[  290.302706]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  290.307470]  ? trace_hardirqs_off+0xb8/0x310
[  290.311877]  ? smpboot_thread_fn+0x68b/0xa00
[  290.316277]  ? trace_hardirqs_on+0x310/0x310
[  290.320681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.326211]  ? check_preemption_disabled+0x48/0x280
[  290.331222]  ? takeover_tasklets+0xa90/0xa90
[  290.335624]  run_ksoftirqd+0x5e/0x100
[  290.339420]  smpboot_thread_fn+0x68b/0xa00
[  290.343656]  ? sort_range+0x30/0x30
[  290.347279]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  290.352376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.357905]  ? __kthread_parkme+0xfb/0x1a0
[  290.362136]  ? sort_range+0x30/0x30
[  290.365762]  kthread+0x35a/0x440
[  290.369130]  ? kthread_stop+0x900/0x900
[  290.373101]  ret_from_fork+0x3a/0x50
[  290.376825] warn_alloc_show_mem: 1 callbacks suppressed
[  290.376835] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  290.376836] Mem-Info:
[  290.376868] active_anon:52607 inactive_anon:182 isolated_anon:0
[  290.376868]  active_file:12 inactive_file:11 isolated_file:0
[  290.376868]  unevictable:0 dirty:0 writeback:0 unstable:0
[  290.376868]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  290.376868]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  290.376868]  free:13782 free_pcp:358 free_cma:0
[  290.382194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.389119] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  290.391500] Call Trace:
[  290.424358] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  290.433720]  <IRQ>
[  290.461534] lowmem_reserve[]: 0 2818 6321 6321
[  290.464118]  dump_stack+0x244/0x39d
[  290.464137]  ? dump_stack_print_info.cold.1+0x20/0x20
[  290.490212] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  290.492368]  warn_alloc.cold.116+0xb7/0x1bd
[  290.496910] lowmem_reserve[]: 0 0 3503 3503
[  290.500527]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.505687] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  290.533348]  ? lock_downgrade+0x900/0x900
[  290.537630] lowmem_reserve[]: 0 0 0 0
[  290.541955]  ? trace_hardirqs_off+0xb8/0x310
[  290.546769] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  290.575737]  ? trace_hardirqs_off+0xb8/0x310
[  290.579941] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  290.583740]  __alloc_pages_slowpath+0x26e8/0x2e10
[  290.588126] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  290.601660]  ? warn_alloc+0x120/0x120
[  290.606022] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  290.621175]  ? print_usage_bug+0xc0/0xc0
[  290.625994] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  290.640886]  ? warn_alloc+0x120/0x120
[  290.644661] 266 total pagecache pages
[  290.653482]  ? warn_alloc+0x120/0x120
[  290.657522] 0 pages in swap cache
[  290.666081]  ? print_usage_bug+0xc0/0xc0
[  290.669860] Swap cache stats: add 0, delete 0, find 0/0
[  290.673902]  ? kvm_clock_read+0x18/0x30
[  290.677673] Free swap  = 0kB
[  290.681114]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  290.685157] Total swap = 0kB
[  290.690508]  ? print_usage_bug+0xc0/0xc0
[  290.694454] 1965979 pages RAM
[  290.697462]  ? __lock_acquire+0x62f/0x4c20
[  290.702451] 0 pages HighMem/MovableOnly
[  290.705458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.709491] 342854 pages reserved
[  290.712588]  ? should_fail+0x22d/0xd01
[  290.716790] 0 pages cma reserved
[  290.720753]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.720771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.726338] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  290.729722]  ? __lock_acquire+0x62f/0x4c20
[  290.733653] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  290.736939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.742183] ksoftirqd/0 cpuset=/ mems_allowed=0
[  290.747271]  ? __lock_acquire+0x62f/0x4c20
[  290.782192]  ? should_fail+0x22d/0xd01
[  290.786075]  ? rcu_irq_exit+0x1a2/0x390
[  290.790062]  ? mark_held_locks+0x130/0x130
[  290.794296]  ? mark_held_locks+0x130/0x130
[  290.798532]  ? mark_held_locks+0xc7/0x130
[  290.802676]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  290.807685]  ? zap_class+0x640/0x640
[  290.811403]  ? print_usage_bug+0xc0/0xc0
[  290.815468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.821002]  ? check_preemption_disabled+0x48/0x280
[  290.826038]  ? __lock_is_held+0xb5/0x140
[  290.830104]  __alloc_pages_nodemask+0xa80/0xde0
[  290.834767]  ? zap_class+0x640/0x640
[  290.838484]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  290.843504]  ? find_held_lock+0x36/0x1c0
[  290.847572]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.852236]  ? lock_downgrade+0x900/0x900
[  290.856387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.861931]  cache_grow_begin+0xa5/0x8c0
[  290.865985]  ? do_raw_spin_unlock+0xa7/0x330
[  290.870394]  fallback_alloc+0x204/0x2e0
[  290.874370]  ____cache_alloc_node+0x1c7/0x1e0
[  290.878867]  kmem_cache_alloc_node+0xe3/0x730
[  290.883357]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.887596]  __alloc_skb+0x119/0x770
[  290.891304]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.896584]  ? netdev_alloc_frag+0x1f0/0x1f0
[  290.900990]  ? lock_downgrade+0x900/0x900
[  290.905151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.910686]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.916134]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.921582]  ? addrconf_rs_timer+0x690/0x690
[  290.925995]  ndisc_alloc_skb+0x144/0x340
[  290.930065]  ndisc_send_rs+0x331/0x6e0
[  290.933953]  addrconf_rs_timer+0x314/0x690
[  290.938188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.942425]  call_timer_fn+0x272/0x920
[  290.946306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.950535]  ? process_timeout+0x40/0x40
[  290.954616]  ? mark_held_locks+0xc7/0x130
[  290.958760]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.963250]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.967739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.971967]  ? lockdep_hardirqs_on+0x296/0x5b0
[  290.976544]  ? trace_hardirqs_on+0xbd/0x310
[  290.980863]  ? kasan_check_read+0x11/0x20
[  290.985011]  ? __run_timers+0x7da/0xc70
[  290.988988]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.994093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.998325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.002557]  __run_timers+0x7e5/0xc70
[  291.006361]  ? timer_fixup_init+0x70/0x70
[  291.010509]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  291.015533]  ? zap_class+0x640/0x640
[  291.019250]  ? print_usage_bug+0xc0/0xc0
[  291.023327]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  291.028521]  ? find_held_lock+0x36/0x1c0
[  291.032583]  ? zap_class+0x640/0x640
[  291.036298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.041829]  ? check_preemption_disabled+0x48/0x280
[  291.046849]  ? __lock_is_held+0xb5/0x140
[  291.050908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.056445]  ? check_preemption_disabled+0x48/0x280
[  291.061458]  run_timer_softirq+0x52/0xb0
[  291.065514]  ? rcu_read_lock_sched_held+0x14f/0x180
[  291.070532]  __do_softirq+0x308/0xb7e
[  291.074333]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  291.078821]  ? lock_downgrade+0x900/0x900
[  291.082967]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  291.088073]  ? pvclock_read_flags+0x160/0x160
[  291.092566]  ? lapic_next_event+0x5a/0x90
[  291.096713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.102249]  ? kvm_clock_read+0x18/0x30
[  291.106220]  ? kvm_sched_clock_read+0x9/0x20
[  291.110627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.116160]  ? check_preemption_disabled+0x48/0x280
[  291.121179]  irq_exit+0x17f/0x1c0
[  291.124630]  smp_apic_timer_interrupt+0x1cb/0x760
[  291.129468]  ? smp_reschedule_interrupt+0x109/0x650
[  291.134479]  ? smp_call_function_single_interrupt+0x650/0x650
[  291.140356]  ? interrupt_entry+0xb5/0xc0
[  291.144413]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.149422]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.154433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.159270]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.164285]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.169315]  ? task_prio+0x50/0x50
[  291.172853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.178384]  ? check_preemption_disabled+0x48/0x280
[  291.183398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.188245]  apic_timer_interrupt+0xf/0x20
[  291.192468]  </IRQ>
[  291.194705] RIP: 0010:lock_is_held_type+0x18b/0x210
[  291.199718] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  291.218611] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  291.226314] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  291.233580] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  291.240842] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  291.248108] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  291.255374] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  291.262668]  rcu_read_lock_held+0xa9/0xc0
[  291.266821]  css_next_child+0x2a2/0x620
[  291.270797]  ? cgroup_mount+0xd30/0xd30
[  291.274769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.280300]  ? check_preemption_disabled+0x48/0x280
[  291.285323]  ? __lock_is_held+0xb5/0x140
[  291.289395]  css_next_descendant_pre+0xeb/0x190
[  291.294064]  mem_cgroup_iter+0x42f/0x1160
[  291.298209]  ? kasan_check_write+0x14/0x20
[  291.302443]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  291.307197]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  291.312214]  ? shrink_slab+0xfa/0x8c0
[  291.316013]  ? shrink_active_list+0x1f00/0x1f00
[  291.320683]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  291.326307]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.331411]  ? cgroup_procs_write_finish+0xf0/0xf0
[  291.336341]  ? find_held_lock+0x36/0x1c0
[  291.340402]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.345935]  ? vmpressure+0x1a2/0x340
[  291.349733]  shrink_node+0x516/0x16b0
[  291.353536]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  291.358838]  ? shrink_node_memcg+0x18f0/0x18f0
[  291.363421]  ? kvm_clock_read+0x18/0x30
[  291.367392]  ? ktime_get+0x2c1/0x400
[  291.371105]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  291.375599]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  291.381132]  ? __cpuset_node_allowed+0x19b/0x660
[  291.385888]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  291.391593]  ? delayacct_end+0x5a/0x100
[  291.395571]  do_try_to_free_pages+0x3e7/0x1290
[  291.400146]  ? zap_class+0x640/0x640
[  291.403868]  ? shrink_node+0x16b0/0x16b0
[  291.407925]  ? __lock_is_held+0xb5/0x140
[  291.412000]  try_to_free_pages+0x4d0/0xb90
[  291.416232]  ? do_try_to_free_pages+0x1290/0x1290
[  291.421079]  ? lock_acquire+0x1ed/0x520
[  291.425051]  ? set_page_refcounted+0x280/0x280
[  291.429638]  ? lock_release+0xa00/0xa00
[  291.433608]  ? _raw_spin_unlock_irq+0x60/0x80
[  291.438099]  ? psi_memstall_enter+0x240/0x2b0
[  291.442598]  ? psi_memstall_tick+0x230/0x230
[  291.447032]  __alloc_pages_slowpath+0xa14/0x2e10
[  291.451806]  ? warn_alloc+0x120/0x120
[  291.455599]  ? mark_held_locks+0x130/0x130
[  291.459832]  ? find_get_entry+0xaae/0x1120
[  291.464073]  ? filemap_map_pages+0x1a20/0x1a20
[  291.468657]  ? zap_class+0x640/0x640
[  291.472377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.477910]  ? check_preemption_disabled+0x48/0x280
[  291.482920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.488453]  ? should_fail+0x22d/0xd01
[  291.492337]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.497434]  ? zap_class+0x640/0x640
[  291.501169]  ? __lock_is_held+0xb5/0x140
[  291.505231]  ? mark_held_locks+0x130/0x130
[  291.509464]  ? lock_release+0xa00/0xa00
[  291.513437]  ? perf_trace_sched_process_exec+0x860/0x860
[  291.518882]  ? xa_load+0x2ba/0x460
[  291.522416]  ? lock_downgrade+0x900/0x900
[  291.526569]  ? __might_sleep+0x95/0x190
[  291.530541]  __alloc_pages_nodemask+0xa80/0xde0
[  291.535218]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  291.540635]  ? __page_cache_alloc+0x191/0x5c0
[  291.545127]  ? xa_load+0x2e1/0x460
[  291.548667]  ? xa_clear_mark+0x40/0x40
[  291.552548]  ? zap_class+0x640/0x640
[  291.556262]  ? zap_class+0x640/0x640
[  291.559976]  ? zap_class+0x640/0x640
[  291.563685]  ? __do_page_cache_readahead+0x663/0x810
[  291.568792]  ? find_held_lock+0x36/0x1c0
[  291.572855]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  291.578391]  alloc_pages_current+0x173/0x350
[  291.582797]  __page_cache_alloc+0x38c/0x5c0
[  291.587114]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.592038]  ? kasan_check_read+0x11/0x20
[  291.596186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.601461]  ? generic_perform_write+0x6a0/0x6a0
[  291.606210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.611743]  ? check_preemption_disabled+0x48/0x280
[  291.616762]  filemap_fault+0x1595/0x25f0
[  291.620830]  ? __lock_page_or_retry+0xa00/0xa00
[  291.625511]  ? mark_held_locks+0x130/0x130
[  291.629749]  ? filemap_map_pages+0xd6b/0x1a20
[  291.634502]  ? lock_downgrade+0x900/0x900
[  291.638649]  ? check_preemption_disabled+0x48/0x280
[  291.643661]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.648584]  ? kasan_check_read+0x11/0x20
[  291.652730]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.657999]  ? rcu_softirq_qs+0x20/0x20
[  291.661986]  ? filemap_map_pages+0xd92/0x1a20
[  291.666483]  ? print_usage_bug+0xc0/0xc0
[  291.670552]  ? find_get_entries_tag+0x1400/0x1400
[  291.675387]  ? __kasan_slab_free+0x102/0x150
[  291.679797]  ? kasan_slab_free+0xe/0x10
[  291.683764]  ? kmem_cache_free+0x83/0x290
[  291.687906]  ? __sigqueue_free.part.29+0x74/0x90
[  291.692674]  ? lock_acquire+0x1ed/0x520
[  291.696643]  ? ext4_filemap_fault+0x7a/0xad
[  291.700977]  ? lock_release+0xa00/0xa00
[  291.704949]  ? perf_trace_sched_process_exec+0x860/0x860
[  291.710406]  ? print_usage_bug+0xc0/0xc0
[  291.714464]  ? print_usage_bug+0xc0/0xc0
[  291.718546]  ? down_read+0x8d/0x120
[  291.722165]  ? ext4_filemap_fault+0x7a/0xad
[  291.726485]  ? __down_interruptible+0x700/0x700
[  291.731173]  ext4_filemap_fault+0x82/0xad
[  291.735322]  __do_fault+0x100/0x6b0
[  291.738959]  ? pmd_devmap_trans_unstable+0x220/0x220
[  291.744066]  ? mark_held_locks+0x130/0x130
[  291.748298]  ? mark_held_locks+0x130/0x130
[  291.752532]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  291.758076]  ? rcu_pm_notify+0xc0/0xc0
[  291.761975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.767517]  __handle_mm_fault+0x3ea0/0x5be0
[  291.771934]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  291.776776]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.781268]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  291.785844]  ? trace_hardirqs_on+0xbd/0x310
[  291.790157]  ? kasan_check_read+0x11/0x20
[  291.794300]  ? __set_current_blocked+0xdf/0x120
[  291.798969]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.804567]  ? zap_class+0x640/0x640
[  291.808277]  ? zap_class+0x640/0x640
[  291.811995]  ? find_held_lock+0x36/0x1c0
[  291.816062]  ? handle_mm_fault+0x42a/0xc70
[  291.820293]  ? lock_downgrade+0x900/0x900
[  291.824437]  ? check_preemption_disabled+0x48/0x280
[  291.829450]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.834374]  ? kasan_check_read+0x11/0x20
[  291.838517]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.843786]  ? rcu_softirq_qs+0x20/0x20
[  291.847754]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.852857]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.858389]  ? check_preemption_disabled+0x48/0x280
[  291.863405]  handle_mm_fault+0x54f/0xc70
[  291.867479]  ? __handle_mm_fault+0x5be0/0x5be0
[  291.872058]  ? find_vma+0x34/0x190
[  291.875605]  __do_page_fault+0x5e8/0xe60
[  291.879666]  ? exit_to_usermode_loop+0x1f4/0x380
[  291.884431]  do_page_fault+0xf2/0x7e0
[  291.888225]  ? vmalloc_sync_all+0x30/0x30
[  291.892371]  ? error_entry+0x70/0xd0
[  291.896081]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.901091]  ? trace_hardirqs_on_caller+0xc0/0x310
[  291.906016]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.910946]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.915783]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.920797]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.926244]  ? prepare_exit_to_usermode+0x291/0x3b0
[  291.931266]  ? page_fault+0x8/0x30
[  291.934801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.939814]  ? page_fault+0x8/0x30
[  291.943348]  page_fault+0x1e/0x30
[  291.946803] RIP: 0033:0x45db60
[  291.950003] Code: Bad RIP value.
[  291.953363] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  291.958717] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  291.965982] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  291.973243] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  291.980508] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  291.987771] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  291.995056] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  291.995117] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.001804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.001808] Call Trace:
[  292.001827]  dump_stack+0x244/0x39d
[  292.001846]  ? dump_stack_print_info.cold.1+0x20/0x20
[  292.008358] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.017658]  warn_alloc.cold.116+0xb7/0x1bd
[  292.020209] syz-fuzzer cpuset=/ mems_allowed=0
[  292.023822]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.052889]  ? lock_downgrade+0x900/0x900
[  292.057040]  ? trace_hardirqs_off+0xb8/0x310
[  292.061449]  ? trace_hardirqs_off+0xb8/0x310
[  292.065858]  __alloc_pages_slowpath+0x26e8/0x2e10
[  292.070719]  ? warn_alloc+0x120/0x120
[  292.074519]  ? print_usage_bug+0xc0/0xc0
[  292.078573]  ? warn_alloc+0x120/0x120
[  292.082369]  ? warn_alloc+0x120/0x120
[  292.086169]  ? print_usage_bug+0xc0/0xc0
[  292.090230]  ? print_usage_bug+0xc0/0xc0
[  292.094284]  ? __lock_acquire+0x62f/0x4c20
[  292.098519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.104060]  ? should_fail+0x22d/0xd01
[  292.107960]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.113061]  ? __lock_acquire+0x62f/0x4c20
[  292.117292]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.122386]  ? __lock_acquire+0x62f/0x4c20
[  292.126615]  ? should_fail+0x22d/0xd01
[  292.130497]  ? find_held_lock+0x36/0x1c0
[  292.134559]  ? mark_held_locks+0x130/0x130
[  292.138791]  ? mark_held_locks+0x130/0x130
[  292.143022]  ? zap_class+0x640/0x640
[  292.146733]  ? mark_held_locks+0xc7/0x130
[  292.150876]  ? do_raw_spin_unlock+0xa7/0x330
[  292.155280]  ? zap_class+0x640/0x640
[  292.158998]  ? print_usage_bug+0xc0/0xc0
[  292.163062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.168679]  ? check_preemption_disabled+0x48/0x280
[  292.173697]  ? __lock_is_held+0xb5/0x140
[  292.177758]  __alloc_pages_nodemask+0xa80/0xde0
[  292.182421]  ? zap_class+0x640/0x640
[  292.186132]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  292.191154]  ? find_held_lock+0x36/0x1c0
[  292.195223]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.199885]  ? lock_downgrade+0x900/0x900
[  292.204047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.209584]  cache_grow_begin+0xa5/0x8c0
[  292.213641]  ? do_raw_spin_unlock+0xa7/0x330
[  292.218055]  fallback_alloc+0x204/0x2e0
[  292.222034]  ____cache_alloc_node+0x1c7/0x1e0
[  292.226529]  kmem_cache_alloc_node+0xe3/0x730
[  292.231019]  ? ipv6_get_ifaddr+0x42e/0x620
[  292.235258]  __alloc_skb+0x119/0x770
[  292.238969]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.244244]  ? netdev_alloc_frag+0x1f0/0x1f0
[  292.248644]  ? lock_downgrade+0x900/0x900
[  292.252794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.258323]  ? refcount_sub_and_test_checked+0x203/0x310
[  292.263773]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  292.269221]  ? addrconf_rs_timer+0x690/0x690
[  292.273635]  ndisc_alloc_skb+0x144/0x340
[  292.277696]  ndisc_send_rs+0x331/0x6e0
[  292.281585]  addrconf_rs_timer+0x314/0x690
[  292.285817]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.290056]  call_timer_fn+0x272/0x920
[  292.293937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.298175]  ? process_timeout+0x40/0x40
[  292.302238]  ? __run_timers+0x7da/0xc70
[  292.306207]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.310696]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.315187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.319417]  ? lockdep_hardirqs_on+0x296/0x5b0
[  292.323996]  ? trace_hardirqs_on+0xbd/0x310
[  292.328311]  ? kasan_check_read+0x11/0x20
[  292.332455]  ? __run_timers+0x7da/0xc70
[  292.336425]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.341527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.345761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.349987]  __run_timers+0x7e5/0xc70
[  292.353796]  ? timer_fixup_init+0x70/0x70
[  292.357947]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.362433]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.366939]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.371516]  ? trace_hardirqs_on+0xbd/0x310
[  292.375833]  ? kasan_check_read+0x11/0x20
[  292.379975]  ? finish_task_switch+0x1f4/0x910
[  292.384469]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.389585]  ? compat_start_thread+0x80/0x80
[  292.394009]  ? pvclock_read_flags+0x160/0x160
[  292.398509]  ? __switch_to_asm+0x34/0x70
[  292.402571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.408191]  ? check_preemption_disabled+0x48/0x280
[  292.413210]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  292.418744]  ? rcu_pm_notify+0xc0/0xc0
[  292.422630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.428163]  ? check_preemption_disabled+0x48/0x280
[  292.433181]  run_timer_softirq+0x52/0xb0
[  292.437237]  ? rcu_read_lock_sched_held+0x14f/0x180
[  292.442248]  __do_softirq+0x308/0xb7e
[  292.446051]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  292.451176]  ? smpboot_thread_fn+0x334/0xa00
[  292.455583]  ? schedule+0x108/0x460
[  292.459218]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.464087]  ? trace_hardirqs_off+0xb8/0x310
[  292.468492]  ? smpboot_thread_fn+0x68b/0xa00
[  292.472905]  ? trace_hardirqs_on+0x310/0x310
[  292.477312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.482843]  ? check_preemption_disabled+0x48/0x280
[  292.487852]  ? takeover_tasklets+0xa90/0xa90
[  292.492254]  run_ksoftirqd+0x5e/0x100
[  292.496049]  smpboot_thread_fn+0x68b/0xa00
[  292.500288]  ? sort_range+0x30/0x30
[  292.503927]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.509025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.514559]  ? __kthread_parkme+0xfb/0x1a0
[  292.518796]  ? sort_range+0x30/0x30
[  292.522433]  kthread+0x35a/0x440
[  292.525797]  ? kthread_stop+0x900/0x900
[  292.529769]  ret_from_fork+0x3a/0x50
[  292.533503] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  292.533507] warn_alloc_show_mem: 1 callbacks suppressed
[  292.533513] Mem-Info:
[  292.540435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.545796] active_anon:52607 inactive_anon:182 isolated_anon:0
[  292.545796]  active_file:12 inactive_file:11 isolated_file:0
[  292.545796]  unevictable:0 dirty:0 writeback:0 unstable:0
[  292.545796]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  292.545796]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  292.545796]  free:13782 free_pcp:358 free_cma:0
[  292.548166] Call Trace:
[  292.557540] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  292.590387]  <IRQ>
[  292.592950] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  292.620456]  dump_stack+0x244/0x39d
[  292.622584] lowmem_reserve[]: 0 2818 6321 6321
[  292.648686]  ? dump_stack_print_info.cold.1+0x20/0x20
[  292.652383] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  292.656969]  warn_alloc.cold.116+0xb7/0x1bd
[  292.662123] lowmem_reserve[]: 0 0 3503 3503
[  292.689784]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.694074] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  292.698387]  ? lock_downgrade+0x900/0x900
[  292.703199] lowmem_reserve[]: 0 0 0 0
[  292.732166]  ? trace_hardirqs_off+0xb8/0x310
[  292.736283] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  292.740078]  ? trace_hardirqs_off+0xb8/0x310
[  292.744455] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  292.757971]  __alloc_pages_slowpath+0x26e8/0x2e10
[  292.762347] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  292.777529]  ? warn_alloc+0x120/0x120
[  292.782327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  292.797227]  ? print_usage_bug+0xc0/0xc0
[  292.801005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  292.809821]  ? warn_alloc+0x120/0x120
[  292.813852] 266 total pagecache pages
[  292.822430]  ? warn_alloc+0x120/0x120
[  292.826208] 0 pages in swap cache
[  292.829991]  ? print_usage_bug+0xc0/0xc0
[  292.833769] Swap cache stats: add 0, delete 0, find 0/0
[  292.837209]  ? print_usage_bug+0xc0/0xc0
[  292.841252] Free swap  = 0kB
[  292.846689]  ? __lock_acquire+0x62f/0x4c20
[  292.850722] Total swap = 0kB
[  292.853732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.857938] 1965979 pages RAM
[  292.860944]  ? should_fail+0x22d/0xd01
[  292.866448] 0 pages HighMem/MovableOnly
[  292.869543]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.873410] 342854 pages reserved
[  292.877371]  ? __lock_acquire+0x62f/0x4c20
[  292.882444] 0 pages cma reserved
[  292.885884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.890151] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.893439]  ? __lock_acquire+0x62f/0x4c20
[  292.893452]  ? should_fail+0x22d/0xd01
[  292.893467]  ? find_held_lock+0x36/0x1c0
[  292.898592] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.905026]  ? mark_held_locks+0x130/0x130
[  292.909227] ksoftirqd/0 cpuset=/ mems_allowed=0
[  292.913100]  ? mark_held_locks+0x130/0x130
[  292.940509]  ? zap_class+0x640/0x640
[  292.944225]  ? zap_class+0x640/0x640
[  292.947939]  ? print_usage_bug+0xc0/0xc0
[  292.951992]  ? do_raw_spin_unlock+0xa7/0x330
[  292.956401]  ? zap_class+0x640/0x640
[  292.960112]  ? print_usage_bug+0xc0/0xc0
[  292.964170]  ? wq_watchdog_touch+0x9c/0xfe
[  292.968404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.973936]  ? check_preemption_disabled+0x48/0x280
[  292.978956]  ? __lock_is_held+0xb5/0x140
[  292.983023]  __alloc_pages_nodemask+0xa80/0xde0
[  292.987686]  ? zap_class+0x640/0x640
[  292.991402]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  292.996422]  ? find_held_lock+0x36/0x1c0
[  293.000487]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.005151]  ? lock_downgrade+0x900/0x900
[  293.009299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.014835]  cache_grow_begin+0xa5/0x8c0
[  293.018899]  ? do_raw_spin_unlock+0xa7/0x330
[  293.023310]  fallback_alloc+0x204/0x2e0
[  293.027290]  ____cache_alloc_node+0x1c7/0x1e0
[  293.031784]  kmem_cache_alloc_node+0xe3/0x730
[  293.036274]  ? ipv6_get_ifaddr+0x42e/0x620
[  293.040513]  __alloc_skb+0x119/0x770
[  293.044242]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.049516]  ? netdev_alloc_frag+0x1f0/0x1f0
[  293.053918]  ? lock_downgrade+0x900/0x900
[  293.058076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.063607]  ? refcount_sub_and_test_checked+0x203/0x310
[  293.069067]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  293.074515]  ? addrconf_rs_timer+0x690/0x690
[  293.078930]  ndisc_alloc_skb+0x144/0x340
[  293.082994]  ndisc_send_rs+0x331/0x6e0
[  293.086884]  addrconf_rs_timer+0x314/0x690
[  293.091119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.095358]  call_timer_fn+0x272/0x920
[  293.099246]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.103479]  ? process_timeout+0x40/0x40
[  293.107546]  ? mark_held_locks+0xc7/0x130
[  293.111688]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.116176]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.120661]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.124895]  ? lockdep_hardirqs_on+0x296/0x5b0
[  293.129477]  ? trace_hardirqs_on+0xbd/0x310
[  293.133791]  ? kasan_check_read+0x11/0x20
[  293.137931]  ? __run_timers+0x7da/0xc70
[  293.141905]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.147011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.151244]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.155477]  __run_timers+0x7e5/0xc70
[  293.159281]  ? timer_fixup_init+0x70/0x70
[  293.163430]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.168442]  ? zap_class+0x640/0x640
[  293.172158]  ? print_usage_bug+0xc0/0xc0
[  293.176217]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  293.181411]  ? find_held_lock+0x36/0x1c0
[  293.185470]  ? zap_class+0x640/0x640
[  293.189184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.194716]  ? check_preemption_disabled+0x48/0x280
[  293.199740]  ? __lock_is_held+0xb5/0x140
[  293.203799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.209341]  ? check_preemption_disabled+0x48/0x280
[  293.214358]  run_timer_softirq+0x52/0xb0
[  293.218417]  ? rcu_read_lock_sched_held+0x14f/0x180
[  293.223430]  __do_softirq+0x308/0xb7e
[  293.227228]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  293.231730]  ? lock_downgrade+0x900/0x900
[  293.235875]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  293.240980]  ? pvclock_read_flags+0x160/0x160
[  293.245472]  ? lapic_next_event+0x5a/0x90
[  293.249621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.255157]  ? kvm_clock_read+0x18/0x30
[  293.259126]  ? kvm_sched_clock_read+0x9/0x20
[  293.263545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.269077]  ? check_preemption_disabled+0x48/0x280
[  293.274097]  irq_exit+0x17f/0x1c0
[  293.277548]  smp_apic_timer_interrupt+0x1cb/0x760
[  293.282394]  ? smp_reschedule_interrupt+0x109/0x650
[  293.287408]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.293286]  ? interrupt_entry+0xb5/0xc0
[  293.297342]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.302359]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.307372]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.312209]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.317231]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.322239]  ? task_prio+0x50/0x50
[  293.325774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.331305]  ? check_preemption_disabled+0x48/0x280
[  293.336322]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.341168]  apic_timer_interrupt+0xf/0x20
[  293.345391]  </IRQ>
[  293.347624] RIP: 0010:lock_is_held_type+0x18b/0x210
[  293.352640] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  293.371533] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  293.379233] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  293.386497] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  293.393760] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  293.401024] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  293.408379] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  293.415673]  rcu_read_lock_held+0xa9/0xc0
[  293.419823]  css_next_child+0x2a2/0x620
[  293.423800]  ? cgroup_mount+0xd30/0xd30
[  293.427799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.433425]  ? check_preemption_disabled+0x48/0x280
[  293.438443]  ? __lock_is_held+0xb5/0x140
[  293.442510]  css_next_descendant_pre+0xeb/0x190
[  293.447188]  mem_cgroup_iter+0x42f/0x1160
[  293.451334]  ? kasan_check_write+0x14/0x20
[  293.455578]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  293.460329]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.465350]  ? shrink_slab+0xfa/0x8c0
[  293.469145]  ? shrink_active_list+0x1f00/0x1f00
[  293.473840]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  293.479465]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  293.484566]  ? cgroup_procs_write_finish+0xf0/0xf0
[  293.489497]  ? find_held_lock+0x36/0x1c0
[  293.493560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.499092]  ? vmpressure+0x1a2/0x340
[  293.502897]  shrink_node+0x516/0x16b0
[  293.506693]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  293.511989]  ? shrink_node_memcg+0x18f0/0x18f0
[  293.516571]  ? kvm_clock_read+0x18/0x30
[  293.520538]  ? ktime_get+0x2c1/0x400
[  293.524249]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  293.528742]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  293.534273]  ? __cpuset_node_allowed+0x19b/0x660
[  293.539038]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  293.544744]  ? delayacct_end+0x5a/0x100
[  293.548720]  do_try_to_free_pages+0x3e7/0x1290
[  293.553296]  ? zap_class+0x640/0x640
[  293.557017]  ? shrink_node+0x16b0/0x16b0
[  293.561073]  ? __lock_is_held+0xb5/0x140
[  293.565141]  try_to_free_pages+0x4d0/0xb90
[  293.569376]  ? do_try_to_free_pages+0x1290/0x1290
[  293.574223]  ? lock_acquire+0x1ed/0x520
[  293.578190]  ? set_page_refcounted+0x280/0x280
[  293.582771]  ? lock_release+0xa00/0xa00
[  293.586836]  ? _raw_spin_unlock_irq+0x60/0x80
[  293.591331]  ? psi_memstall_enter+0x240/0x2b0
[  293.595824]  ? psi_memstall_tick+0x230/0x230
[  293.600237]  __alloc_pages_slowpath+0xa14/0x2e10
[  293.605011]  ? warn_alloc+0x120/0x120
[  293.608823]  ? mark_held_locks+0x130/0x130
[  293.613056]  ? find_get_entry+0xaae/0x1120
[  293.617297]  ? filemap_map_pages+0x1a20/0x1a20
[  293.621885]  ? zap_class+0x640/0x640
[  293.625620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.631156]  ? check_preemption_disabled+0x48/0x280
[  293.636609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.642144]  ? should_fail+0x22d/0xd01
[  293.646036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.651135]  ? zap_class+0x640/0x640
[  293.654868]  ? __lock_is_held+0xb5/0x140
[  293.658932]  ? mark_held_locks+0x130/0x130
[  293.663163]  ? lock_release+0xa00/0xa00
[  293.667132]  ? perf_trace_sched_process_exec+0x860/0x860
[  293.672577]  ? xa_load+0x2ba/0x460
[  293.676111]  ? lock_downgrade+0x900/0x900
[  293.680258]  ? __might_sleep+0x95/0x190
[  293.684244]  __alloc_pages_nodemask+0xa80/0xde0
[  293.688914]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  293.693926]  ? __page_cache_alloc+0x191/0x5c0
[  293.698413]  ? xa_load+0x2e1/0x460
[  293.701959]  ? xa_clear_mark+0x40/0x40
[  293.705846]  ? zap_class+0x640/0x640
[  293.709562]  ? zap_class+0x640/0x640
[  293.713271]  ? zap_class+0x640/0x640
[  293.716983]  ? __do_page_cache_readahead+0x663/0x810
[  293.722086]  ? find_held_lock+0x36/0x1c0
[  293.726148]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  293.731688]  alloc_pages_current+0x173/0x350
[  293.736095]  __page_cache_alloc+0x38c/0x5c0
[  293.740411]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.745335]  ? kasan_check_read+0x11/0x20
[  293.749476]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.754754]  ? generic_perform_write+0x6a0/0x6a0
[  293.759526]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.765065]  ? check_preemption_disabled+0x48/0x280
[  293.770087]  filemap_fault+0x1595/0x25f0
[  293.774155]  ? __lock_page_or_retry+0xa00/0xa00
[  293.778823]  ? mark_held_locks+0x130/0x130
[  293.783063]  ? filemap_map_pages+0xd6b/0x1a20
[  293.787557]  ? lock_downgrade+0x900/0x900
[  293.791699]  ? check_preemption_disabled+0x48/0x280
[  293.796713]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.802122]  ? kasan_check_read+0x11/0x20
[  293.806278]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.811553]  ? rcu_softirq_qs+0x20/0x20
[  293.815534]  ? filemap_map_pages+0xd92/0x1a20
[  293.820031]  ? print_usage_bug+0xc0/0xc0
[  293.824093]  ? find_get_entries_tag+0x1400/0x1400
[  293.828936]  ? __kasan_slab_free+0x102/0x150
[  293.833338]  ? kasan_slab_free+0xe/0x10
[  293.837315]  ? kmem_cache_free+0x83/0x290
[  293.841461]  ? __sigqueue_free.part.29+0x74/0x90
[  293.846231]  ? lock_acquire+0x1ed/0x520
[  293.850203]  ? ext4_filemap_fault+0x7a/0xad
[  293.857134]  ? lock_release+0xa00/0xa00
[  293.861101]  ? perf_trace_sched_process_exec+0x860/0x860
[  293.866550]  ? print_usage_bug+0xc0/0xc0
[  293.870607]  ? print_usage_bug+0xc0/0xc0
[  293.874677]  ? down_read+0x8d/0x120
[  293.878297]  ? ext4_filemap_fault+0x7a/0xad
[  293.882618]  ? __down_interruptible+0x700/0x700
[  293.887290]  ext4_filemap_fault+0x82/0xad
[  293.891439]  __do_fault+0x100/0x6b0
[  293.895069]  ? pmd_devmap_trans_unstable+0x220/0x220
[  293.900789]  ? mark_held_locks+0x130/0x130
[  293.905022]  ? mark_held_locks+0x130/0x130
[  293.909258]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  293.914797]  ? rcu_pm_notify+0xc0/0xc0
[  293.918687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.924228]  __handle_mm_fault+0x3ea0/0x5be0
[  293.928654]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  293.933490]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.937982]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  293.942566]  ? trace_hardirqs_on+0xbd/0x310
[  293.946885]  ? kasan_check_read+0x11/0x20
[  293.951028]  ? __set_current_blocked+0xdf/0x120
[  293.955696]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.960806]  ? zap_class+0x640/0x640
[  293.964512]  ? zap_class+0x640/0x640
[  293.968229]  ? find_held_lock+0x36/0x1c0
[  293.972292]  ? handle_mm_fault+0x42a/0xc70
[  293.976529]  ? lock_downgrade+0x900/0x900
[  293.980675]  ? check_preemption_disabled+0x48/0x280
[  293.985704]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.990628]  ? kasan_check_read+0x11/0x20
[  293.994778]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.000052]  ? rcu_softirq_qs+0x20/0x20
[  294.004022]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.009124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.014661]  ? check_preemption_disabled+0x48/0x280
[  294.019680]  handle_mm_fault+0x54f/0xc70
[  294.023742]  ? __handle_mm_fault+0x5be0/0x5be0
[  294.028333]  ? find_vma+0x34/0x190
[  294.031877]  __do_page_fault+0x5e8/0xe60
[  294.035938]  ? exit_to_usermode_loop+0x1f4/0x380
[  294.040702]  do_page_fault+0xf2/0x7e0
[  294.044500]  ? vmalloc_sync_all+0x30/0x30
[  294.048645]  ? error_entry+0x70/0xd0
[  294.052360]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.057384]  ? trace_hardirqs_on_caller+0xc0/0x310
[  294.062316]  ? syscall_return_slowpath+0x5e0/0x5e0
[  294.067243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.072089]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.077104]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.082553]  ? prepare_exit_to_usermode+0x291/0x3b0
[  294.087564]  ? page_fault+0x8/0x30
[  294.091102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.095943]  ? page_fault+0x8/0x30
[  294.099480]  page_fault+0x1e/0x30
[  294.102926] RIP: 0033:0x45db60
[  294.106128] Code: Bad RIP value.
[  294.109484] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  294.114841] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  294.122106] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  294.129372] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  294.136637] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  294.143912] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  294.151216] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  294.151278] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.157967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.157972] Call Trace:
[  294.157990]  dump_stack+0x244/0x39d
[  294.158011]  ? dump_stack_print_info.cold.1+0x20/0x20
[  294.164552] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.173834]  warn_alloc.cold.116+0xb7/0x1bd
[  294.176385] syz-fuzzer cpuset=/ mems_allowed=0
[  294.180004]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.209102]  ? lock_downgrade+0x900/0x900
[  294.213257]  ? trace_hardirqs_off+0xb8/0x310
[  294.217667]  ? trace_hardirqs_off+0xb8/0x310
[  294.222080]  __alloc_pages_slowpath+0x26e8/0x2e10
[  294.226958]  ? warn_alloc+0x120/0x120
[  294.230761]  ? print_usage_bug+0xc0/0xc0
[  294.234826]  ? warn_alloc+0x120/0x120
[  294.238630]  ? warn_alloc+0x120/0x120
[  294.242428]  ? print_usage_bug+0xc0/0xc0
[  294.246494]  ? print_usage_bug+0xc0/0xc0
[  294.250557]  ? __lock_acquire+0x62f/0x4c20
[  294.254799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.260333]  ? should_fail+0x22d/0xd01
[  294.264220]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.269321]  ? __lock_acquire+0x62f/0x4c20
[  294.273572]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.278670]  ? __lock_acquire+0x62f/0x4c20
[  294.282904]  ? should_fail+0x22d/0xd01
[  294.286790]  ? find_held_lock+0x36/0x1c0
[  294.290853]  ? mark_held_locks+0x130/0x130
[  294.295102]  ? mark_held_locks+0x130/0x130
[  294.299329]  ? zap_class+0x640/0x640
[  294.303040]  ? zap_class+0x640/0x640
[  294.306757]  ? print_usage_bug+0xc0/0xc0
[  294.310815]  ? do_raw_spin_unlock+0xa7/0x330
[  294.315217]  ? zap_class+0x640/0x640
[  294.318932]  ? print_usage_bug+0xc0/0xc0
[  294.322989]  ? wq_watchdog_touch+0x9c/0xfe
[  294.327225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.332769]  ? check_preemption_disabled+0x48/0x280
[  294.337794]  ? __lock_is_held+0xb5/0x140
[  294.341856]  __alloc_pages_nodemask+0xa80/0xde0
[  294.346519]  ? zap_class+0x640/0x640
[  294.350232]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  294.355254]  ? find_held_lock+0x36/0x1c0
[  294.359335]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.363998]  ? lock_downgrade+0x900/0x900
[  294.368164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.373704]  cache_grow_begin+0xa5/0x8c0
[  294.377771]  ? do_raw_spin_unlock+0xa7/0x330
[  294.382180]  fallback_alloc+0x204/0x2e0
[  294.386161]  ____cache_alloc_node+0x1c7/0x1e0
[  294.390656]  kmem_cache_alloc_node+0xe3/0x730
[  294.395150]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.399390]  __alloc_skb+0x119/0x770
[  294.403103]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.408377]  ? netdev_alloc_frag+0x1f0/0x1f0
[  294.412787]  ? lock_downgrade+0x900/0x900
[  294.416938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.422475]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.427926]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.433373]  ? addrconf_rs_timer+0x690/0x690
[  294.437877]  ndisc_alloc_skb+0x144/0x340
[  294.441937]  ndisc_send_rs+0x331/0x6e0
[  294.445826]  addrconf_rs_timer+0x314/0x690
[  294.450063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.454307]  call_timer_fn+0x272/0x920
[  294.458192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.462419]  ? process_timeout+0x40/0x40
[  294.466482]  ? __run_timers+0x7da/0xc70
[  294.470456]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.474945]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.479448]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.483680]  ? lockdep_hardirqs_on+0x296/0x5b0
[  294.488261]  ? trace_hardirqs_on+0xbd/0x310
[  294.492577]  ? kasan_check_read+0x11/0x20
[  294.496730]  ? __run_timers+0x7da/0xc70
[  294.500704]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.505810]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.510049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.514276]  __run_timers+0x7e5/0xc70
[  294.518081]  ? timer_fixup_init+0x70/0x70
[  294.522226]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.526723]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.531222]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  294.535800]  ? trace_hardirqs_on+0xbd/0x310
[  294.540117]  ? kasan_check_read+0x11/0x20
[  294.544265]  ? finish_task_switch+0x1f4/0x910
[  294.548764]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.553863]  ? compat_start_thread+0x80/0x80
[  294.558287]  ? pvclock_read_flags+0x160/0x160
[  294.562782]  ? __switch_to_asm+0x34/0x70
[  294.566850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.572384]  ? check_preemption_disabled+0x48/0x280
[  294.577404]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  294.582937]  ? rcu_pm_notify+0xc0/0xc0
[  294.586821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.592357]  ? check_preemption_disabled+0x48/0x280
[  294.597376]  run_timer_softirq+0x52/0xb0
[  294.601432]  ? rcu_read_lock_sched_held+0x14f/0x180
[  294.606446]  __do_softirq+0x308/0xb7e
[  294.610253]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  294.615355]  ? smpboot_thread_fn+0x334/0xa00
[  294.619782]  ? schedule+0x108/0x460
[  294.623405]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.628163]  ? trace_hardirqs_off+0xb8/0x310
[  294.632568]  ? smpboot_thread_fn+0x68b/0xa00
[  294.636972]  ? trace_hardirqs_on+0x310/0x310
[  294.641380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.646918]  ? check_preemption_disabled+0x48/0x280
[  294.651931]  ? takeover_tasklets+0xa90/0xa90
[  294.656336]  run_ksoftirqd+0x5e/0x100
[  294.660134]  smpboot_thread_fn+0x68b/0xa00
[  294.664367]  ? sort_range+0x30/0x30
[  294.667990]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.673089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.678624]  ? __kthread_parkme+0xfb/0x1a0
[  294.682958]  ? sort_range+0x30/0x30
[  294.686584]  kthread+0x35a/0x440
[  294.689963]  ? kthread_stop+0x900/0x900
[  294.693944]  ret_from_fork+0x3a/0x50
[  294.697672] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  294.697677] warn_alloc_show_mem: 1 callbacks suppressed
[  294.697683] Mem-Info:
[  294.704610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.710084] active_anon:52607 inactive_anon:182 isolated_anon:0
[  294.710084]  active_file:12 inactive_file:11 isolated_file:0
[  294.710084]  unevictable:0 dirty:0 writeback:0 unstable:0
[  294.710084]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  294.710084]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  294.710084]  free:13782 free_pcp:358 free_cma:0
[  294.712457] Call Trace:
[  294.721832] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  294.754682]  <IRQ>
[  294.757255] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  294.784740]  dump_stack+0x244/0x39d
[  294.784759]  ? dump_stack_print_info.cold.1+0x20/0x20
[  294.786879] lowmem_reserve[]: 0 2818 6321 6321
[  294.812989]  warn_alloc.cold.116+0xb7/0x1bd
[  294.816580] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  294.821778]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.826327] lowmem_reserve[]: 0 0 3503 3503
[  294.830648]  ? lock_downgrade+0x900/0x900
[  294.858291] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  294.863132]  ? trace_hardirqs_off+0xb8/0x310
[  294.867420] lowmem_reserve[]: 0 0 0 0
[  294.871574]  ? trace_hardirqs_off+0xb8/0x310
[  294.900779] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  294.905186]  __alloc_pages_slowpath+0x26e8/0x2e10
[  294.908955] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  294.913378]  ? warn_alloc+0x120/0x120
[  294.926847] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  294.931698]  ? print_usage_bug+0xc0/0xc0
[  294.946851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  294.950635]  ? warn_alloc+0x120/0x120
[  294.965612] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  294.969662]  ? warn_alloc+0x120/0x120
[  294.978474] 266 total pagecache pages
[  294.982264]  ? print_usage_bug+0xc0/0xc0
[  294.990925] 0 pages in swap cache
[  294.994712]  ? kvm_clock_read+0x18/0x30
[  294.998494] Swap cache stats: add 0, delete 0, find 0/0
[  295.002558]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  295.005983] Free swap  = 0kB
[  295.009943]  ? print_usage_bug+0xc0/0xc0
[  295.015275] Total swap = 0kB
[  295.020277]  ? __lock_acquire+0x62f/0x4c20
[  295.023271] 1965979 pages RAM
[  295.027318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.030306] 0 pages HighMem/MovableOnly
[  295.034527]  ? should_fail+0x22d/0xd01
[  295.037602] 342854 pages reserved
[  295.043127]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.047102] 0 pages cma reserved
[  295.050975]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.054463] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.059681]  ? __lock_acquire+0x62f/0x4c20
[  295.063097] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.068131]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.074612] ksoftirqd/0 cpuset=/ mems_allowed=0
[  295.078837]  ? __lock_acquire+0x62f/0x4c20
[  295.103172]  ? should_fail+0x22d/0xd01
[  295.107060]  ? rcu_irq_exit+0x1a2/0x390
[  295.111041]  ? mark_held_locks+0x130/0x130
[  295.115276]  ? mark_held_locks+0x130/0x130
[  295.119511]  ? mark_held_locks+0xc7/0x130
[  295.123655]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  295.128681]  ? zap_class+0x640/0x640
[  295.132393]  ? print_usage_bug+0xc0/0xc0
[  295.136457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.141990]  ? check_preemption_disabled+0x48/0x280
[  295.147013]  ? __lock_is_held+0xb5/0x140
[  295.151072]  __alloc_pages_nodemask+0xa80/0xde0
[  295.155738]  ? zap_class+0x640/0x640
[  295.159450]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  295.164477]  ? find_held_lock+0x36/0x1c0
[  295.168683]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.173348]  ? lock_downgrade+0x900/0x900
[  295.177499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.183045]  cache_grow_begin+0xa5/0x8c0
[  295.187102]  ? do_raw_spin_unlock+0xa7/0x330
[  295.191520]  fallback_alloc+0x204/0x2e0
[  295.195495]  ____cache_alloc_node+0x1c7/0x1e0
[  295.199996]  kmem_cache_alloc_node+0xe3/0x730
[  295.204489]  ? ipv6_get_ifaddr+0x42e/0x620
[  295.208733]  __alloc_skb+0x119/0x770
[  295.212441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.217732]  ? netdev_alloc_frag+0x1f0/0x1f0
[  295.222136]  ? lock_downgrade+0x900/0x900
[  295.226290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.231846]  ? refcount_sub_and_test_checked+0x203/0x310
[  295.237297]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  295.242745]  ? addrconf_rs_timer+0x690/0x690
[  295.247159]  ndisc_alloc_skb+0x144/0x340
[  295.251224]  ndisc_send_rs+0x331/0x6e0
[  295.255111]  addrconf_rs_timer+0x314/0x690
[  295.259348]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.263588]  call_timer_fn+0x272/0x920
[  295.267470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.271703]  ? process_timeout+0x40/0x40
[  295.275774]  ? mark_held_locks+0xc7/0x130
[  295.279918]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.284411]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.288904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.293135]  ? lockdep_hardirqs_on+0x296/0x5b0
[  295.297716]  ? trace_hardirqs_on+0xbd/0x310
[  295.302034]  ? kasan_check_read+0x11/0x20
[  295.306175]  ? __run_timers+0x7da/0xc70
[  295.310154]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.315259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.319495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.323725]  __run_timers+0x7e5/0xc70
[  295.327534]  ? timer_fixup_init+0x70/0x70
[  295.331683]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  295.336699]  ? zap_class+0x640/0x640
[  295.340413]  ? print_usage_bug+0xc0/0xc0
[  295.344473]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  295.349669]  ? find_held_lock+0x36/0x1c0
[  295.353734]  ? zap_class+0x640/0x640
[  295.357447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.362982]  ? check_preemption_disabled+0x48/0x280
[  295.368001]  ? __lock_is_held+0xb5/0x140
[  295.372058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.377590]  ? check_preemption_disabled+0x48/0x280
[  295.382605]  run_timer_softirq+0x52/0xb0
[  295.386670]  ? rcu_read_lock_sched_held+0x14f/0x180
[  295.391685]  __do_softirq+0x308/0xb7e
[  295.395486]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  295.399979]  ? lock_downgrade+0x900/0x900
[  295.404128]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  295.409236]  ? pvclock_read_flags+0x160/0x160
[  295.413730]  ? lapic_next_event+0x5a/0x90
[  295.417876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.423418]  ? kvm_clock_read+0x18/0x30
[  295.427387]  ? kvm_sched_clock_read+0x9/0x20
[  295.431796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.437341]  ? check_preemption_disabled+0x48/0x280
[  295.442361]  irq_exit+0x17f/0x1c0
[  295.445813]  smp_apic_timer_interrupt+0x1cb/0x760
[  295.450655]  ? smp_reschedule_interrupt+0x109/0x650
[  295.455682]  ? smp_call_function_single_interrupt+0x650/0x650
[  295.461562]  ? interrupt_entry+0xb5/0xc0
[  295.465624]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.470651]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.475668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.480506]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.485545]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.490558]  ? task_prio+0x50/0x50
[  295.494096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.499652]  ? check_preemption_disabled+0x48/0x280
[  295.504675]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.509521]  apic_timer_interrupt+0xf/0x20
[  295.513746]  </IRQ>
[  295.515980] RIP: 0010:lock_is_held_type+0x18b/0x210
[  295.520994] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  295.539887] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  295.547588] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  295.554853] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  295.562119] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  295.569384] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  295.576648] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  295.583938]  rcu_read_lock_held+0xa9/0xc0
[  295.588086]  css_next_child+0x2a2/0x620
[  295.592060]  ? cgroup_mount+0xd30/0xd30
[  295.596034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.601571]  ? check_preemption_disabled+0x48/0x280
[  295.606594]  ? __lock_is_held+0xb5/0x140
[  295.610674]  css_next_descendant_pre+0xeb/0x190
[  295.615341]  mem_cgroup_iter+0x42f/0x1160
[  295.619493]  ? kasan_check_write+0x14/0x20
[  295.623732]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  295.628486]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  295.633504]  ? shrink_slab+0xfa/0x8c0
[  295.637301]  ? shrink_active_list+0x1f00/0x1f00
[  295.641974]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  295.647594]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  295.652706]  ? cgroup_procs_write_finish+0xf0/0xf0
[  295.657648]  ? find_held_lock+0x36/0x1c0
[  295.661708]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.667252]  ? vmpressure+0x1a2/0x340
[  295.671052]  shrink_node+0x516/0x16b0
[  295.674850]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  295.680148]  ? shrink_node_memcg+0x18f0/0x18f0
[  295.684735]  ? kvm_clock_read+0x18/0x30
[  295.688705]  ? ktime_get+0x2c1/0x400
[  295.692419]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  295.696913]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  295.702548]  ? __cpuset_node_allowed+0x19b/0x660
[  295.707306]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  295.713018]  ? delayacct_end+0x5a/0x100
[  295.716997]  do_try_to_free_pages+0x3e7/0x1290
[  295.721574]  ? zap_class+0x640/0x640
[  295.725296]  ? shrink_node+0x16b0/0x16b0
[  295.729358]  ? __lock_is_held+0xb5/0x140
[  295.733427]  try_to_free_pages+0x4d0/0xb90
[  295.737667]  ? do_try_to_free_pages+0x1290/0x1290
[  295.742517]  ? lock_acquire+0x1ed/0x520
[  295.746488]  ? set_page_refcounted+0x280/0x280
[  295.751069]  ? lock_release+0xa00/0xa00
[  295.755038]  ? _raw_spin_unlock_irq+0x60/0x80
[  295.759529]  ? psi_memstall_enter+0x240/0x2b0
[  295.764019]  ? psi_memstall_tick+0x230/0x230
[  295.768433]  __alloc_pages_slowpath+0xa14/0x2e10
[  295.773208]  ? warn_alloc+0x120/0x120
[  295.777005]  ? mark_held_locks+0x130/0x130
[  295.781249]  ? find_get_entry+0xaae/0x1120
[  295.785486]  ? filemap_map_pages+0x1a20/0x1a20
[  295.790070]  ? zap_class+0x640/0x640
[  295.793896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.799432]  ? check_preemption_disabled+0x48/0x280
[  295.804993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.810532]  ? should_fail+0x22d/0xd01
[  295.814423]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.819524]  ? zap_class+0x640/0x640
[  295.823259]  ? __lock_is_held+0xb5/0x140
[  295.827326]  ? mark_held_locks+0x130/0x130
[  295.831573]  ? lock_release+0xa00/0xa00
[  295.835553]  ? perf_trace_sched_process_exec+0x860/0x860
[  295.841000]  ? xa_load+0x2ba/0x460
[  295.844537]  ? lock_downgrade+0x900/0x900
[  295.848686]  ? __might_sleep+0x95/0x190
[  295.852661]  __alloc_pages_nodemask+0xa80/0xde0
[  295.857334]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  295.862347]  ? __page_cache_alloc+0x191/0x5c0
[  295.866838]  ? xa_load+0x2e1/0x460
[  295.870379]  ? xa_clear_mark+0x40/0x40
[  295.874267]  ? zap_class+0x640/0x640
[  295.877984]  ? zap_class+0x640/0x640
[  295.881699]  ? zap_class+0x640/0x640
[  295.885412]  ? __do_page_cache_readahead+0x663/0x810
[  295.890512]  ? find_held_lock+0x36/0x1c0
[  295.894575]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  295.900119]  alloc_pages_current+0x173/0x350
[  295.904532]  __page_cache_alloc+0x38c/0x5c0
[  295.908852]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.913781]  ? kasan_check_read+0x11/0x20
[  295.917923]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.923202]  ? generic_perform_write+0x6a0/0x6a0
[  295.927953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.933486]  ? check_preemption_disabled+0x48/0x280
[  295.938508]  filemap_fault+0x1595/0x25f0
[  295.942578]  ? __lock_page_or_retry+0xa00/0xa00
[  295.947249]  ? mark_held_locks+0x130/0x130
[  295.951486]  ? filemap_map_pages+0xd6b/0x1a20
[  295.955978]  ? lock_downgrade+0x900/0x900
[  295.960124]  ? check_preemption_disabled+0x48/0x280
[  295.965146]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.970072]  ? kasan_check_read+0x11/0x20
[  295.974219]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.979496]  ? rcu_softirq_qs+0x20/0x20
[  295.983476]  ? filemap_map_pages+0xd92/0x1a20
[  295.987972]  ? print_usage_bug+0xc0/0xc0
[  295.992033]  ? find_get_entries_tag+0x1400/0x1400
[  295.996870]  ? __kasan_slab_free+0x102/0x150
[  296.001276]  ? kasan_slab_free+0xe/0x10
[  296.005246]  ? kmem_cache_free+0x83/0x290
[  296.009389]  ? __sigqueue_free.part.29+0x74/0x90
[  296.014160]  ? lock_acquire+0x1ed/0x520
[  296.018132]  ? ext4_filemap_fault+0x7a/0xad
[  296.022460]  ? lock_release+0xa00/0xa00
[  296.026432]  ? perf_trace_sched_process_exec+0x860/0x860
[  296.031879]  ? print_usage_bug+0xc0/0xc0
[  296.035936]  ? print_usage_bug+0xc0/0xc0
[  296.040007]  ? down_read+0x8d/0x120
[  296.043626]  ? ext4_filemap_fault+0x7a/0xad
[  296.047949]  ? __down_interruptible+0x700/0x700
[  296.052627]  ext4_filemap_fault+0x82/0xad
[  296.056773]  __do_fault+0x100/0x6b0
[  296.060397]  ? pmd_devmap_trans_unstable+0x220/0x220
[  296.065499]  ? mark_held_locks+0x130/0x130
[  296.069732]  ? mark_held_locks+0x130/0x130
[  296.073964]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  296.079499]  ? rcu_pm_notify+0xc0/0xc0
[  296.083388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.088924]  __handle_mm_fault+0x3ea0/0x5be0
[  296.093337]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  296.098172]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.102669]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  296.107248]  ? trace_hardirqs_on+0xbd/0x310
[  296.111571]  ? kasan_check_read+0x11/0x20
[  296.115722]  ? __set_current_blocked+0xdf/0x120
[  296.120392]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.125501]  ? zap_class+0x640/0x640
[  296.129213]  ? zap_class+0x640/0x640
[  296.132930]  ? find_held_lock+0x36/0x1c0
[  296.137001]  ? handle_mm_fault+0x42a/0xc70
[  296.141247]  ? lock_downgrade+0x900/0x900
[  296.145395]  ? check_preemption_disabled+0x48/0x280
[  296.150408]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.155336]  ? kasan_check_read+0x11/0x20
[  296.159479]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.164751]  ? rcu_softirq_qs+0x20/0x20
[  296.168720]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.173818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.179350]  ? check_preemption_disabled+0x48/0x280
[  296.184368]  handle_mm_fault+0x54f/0xc70
[  296.188428]  ? __handle_mm_fault+0x5be0/0x5be0
[  296.193011]  ? find_vma+0x34/0x190
[  296.196555]  __do_page_fault+0x5e8/0xe60
[  296.200620]  ? exit_to_usermode_loop+0x1f4/0x380
[  296.205393]  do_page_fault+0xf2/0x7e0
[  296.209189]  ? vmalloc_sync_all+0x30/0x30
[  296.213346]  ? error_entry+0x70/0xd0
[  296.217060]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.222069]  ? trace_hardirqs_on_caller+0xc0/0x310
[  296.226995]  ? syscall_return_slowpath+0x5e0/0x5e0
[  296.231918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.236755]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.241767]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.247218]  ? prepare_exit_to_usermode+0x291/0x3b0
[  296.252232]  ? page_fault+0x8/0x30
[  296.255776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.260619]  ? page_fault+0x8/0x30
[  296.264158]  page_fault+0x1e/0x30
[  296.267607] RIP: 0033:0x45db60
[  296.270810] Code: Bad RIP value.
[  296.274172] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  296.279542] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  296.286826] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  296.294092] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  296.301367] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  296.308630] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  296.315921] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  296.315981] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  296.322687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.322692] Call Trace:
[  296.322709]  dump_stack+0x244/0x39d
[  296.322728]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.329241] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  296.338548]  warn_alloc.cold.116+0xb7/0x1bd
[  296.341103] syz-fuzzer cpuset=/ mems_allowed=0
[  296.344714]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.373785]  ? lock_downgrade+0x900/0x900
[  296.377936]  ? trace_hardirqs_off+0xb8/0x310
[  296.382350]  ? trace_hardirqs_off+0xb8/0x310
[  296.386766]  __alloc_pages_slowpath+0x26e8/0x2e10
[  296.391633]  ? warn_alloc+0x120/0x120
[  296.395432]  ? print_usage_bug+0xc0/0xc0
[  296.399489]  ? warn_alloc+0x120/0x120
[  296.403287]  ? warn_alloc+0x120/0x120
[  296.407202]  ? print_usage_bug+0xc0/0xc0
[  296.411261]  ? print_usage_bug+0xc0/0xc0
[  296.415318]  ? __lock_acquire+0x62f/0x4c20
[  296.419560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.425109]  ? should_fail+0x22d/0xd01
[  296.428996]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.434096]  ? __lock_acquire+0x62f/0x4c20
[  296.438334]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.443431]  ? __lock_acquire+0x62f/0x4c20
[  296.447659]  ? should_fail+0x22d/0xd01
[  296.451543]  ? find_held_lock+0x36/0x1c0
[  296.455624]  ? mark_held_locks+0x130/0x130
[  296.459862]  ? mark_held_locks+0x130/0x130
[  296.464104]  ? zap_class+0x640/0x640
[  296.467820]  ? mark_held_locks+0xc7/0x130
[  296.471962]  ? do_raw_spin_unlock+0xa7/0x330
[  296.476370]  ? zap_class+0x640/0x640
[  296.480079]  ? print_usage_bug+0xc0/0xc0
[  296.484139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.489676]  ? check_preemption_disabled+0x48/0x280
[  296.494712]  ? __lock_is_held+0xb5/0x140
[  296.498779]  __alloc_pages_nodemask+0xa80/0xde0
[  296.503443]  ? zap_class+0x640/0x640
[  296.507159]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  296.512179]  ? find_held_lock+0x36/0x1c0
[  296.516245]  ? ____cache_alloc_node+0x1c7/0x1e0
[  296.520914]  ? lock_downgrade+0x900/0x900
[  296.525071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.530615]  cache_grow_begin+0xa5/0x8c0
[  296.534673]  ? do_raw_spin_unlock+0xa7/0x330
[  296.539100]  fallback_alloc+0x204/0x2e0
[  296.543075]  ____cache_alloc_node+0x1c7/0x1e0
[  296.547580]  kmem_cache_alloc_node+0xe3/0x730
[  296.552070]  ? ipv6_get_ifaddr+0x42e/0x620
[  296.556310]  __alloc_skb+0x119/0x770
[  296.560017]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.565291]  ? netdev_alloc_frag+0x1f0/0x1f0
[  296.569695]  ? lock_downgrade+0x900/0x900
[  296.573845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.579378]  ? refcount_sub_and_test_checked+0x203/0x310
[  296.584831]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  296.590276]  ? addrconf_rs_timer+0x690/0x690
[  296.594693]  ndisc_alloc_skb+0x144/0x340
[  296.598754]  ndisc_send_rs+0x331/0x6e0
[  296.602641]  addrconf_rs_timer+0x314/0x690
[  296.606875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.611121]  call_timer_fn+0x272/0x920
[  296.615001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.619231]  ? process_timeout+0x40/0x40
[  296.623293]  ? __run_timers+0x7da/0xc70
[  296.627264]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.631755]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.636243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.640478]  ? lockdep_hardirqs_on+0x296/0x5b0
[  296.645059]  ? trace_hardirqs_on+0xbd/0x310
[  296.649376]  ? kasan_check_read+0x11/0x20
[  296.653516]  ? __run_timers+0x7da/0xc70
[  296.657493]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.662603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.666841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.671417]  __run_timers+0x7e5/0xc70
[  296.675226]  ? timer_fixup_init+0x70/0x70
[  296.679367]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.683860]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.688354]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  296.692932]  ? trace_hardirqs_on+0xbd/0x310
[  296.697246]  ? kasan_check_read+0x11/0x20
[  296.701398]  ? finish_task_switch+0x1f4/0x910
[  296.705889]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.710986]  ? compat_start_thread+0x80/0x80
[  296.715407]  ? pvclock_read_flags+0x160/0x160
[  296.719897]  ? __switch_to_asm+0x34/0x70
[  296.723954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.729490]  ? check_preemption_disabled+0x48/0x280
[  296.734510]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  296.740049]  ? rcu_pm_notify+0xc0/0xc0
[  296.743937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.749566]  ? check_preemption_disabled+0x48/0x280
[  296.754585]  run_timer_softirq+0x52/0xb0
[  296.758640]  ? rcu_read_lock_sched_held+0x14f/0x180
[  296.763655]  __do_softirq+0x308/0xb7e
[  296.767461]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  296.772568]  ? smpboot_thread_fn+0x334/0xa00
[  296.776974]  ? schedule+0x108/0x460
[  296.780595]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  296.785353]  ? trace_hardirqs_off+0xb8/0x310
[  296.789758]  ? smpboot_thread_fn+0x68b/0xa00
[  296.794161]  ? trace_hardirqs_on+0x310/0x310
[  296.798571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.804107]  ? check_preemption_disabled+0x48/0x280
[  296.809122]  ? takeover_tasklets+0xa90/0xa90
[  296.813973]  run_ksoftirqd+0x5e/0x100
[  296.817774]  smpboot_thread_fn+0x68b/0xa00
[  296.822008]  ? sort_range+0x30/0x30
[  296.825634]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.830734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.836268]  ? __kthread_parkme+0xfb/0x1a0
[  296.840500]  ? sort_range+0x30/0x30
[  296.844127]  kthread+0x35a/0x440
[  296.847493]  ? kthread_stop+0x900/0x900
[  296.851471]  ret_from_fork+0x3a/0x50
[  296.855198] warn_alloc_show_mem: 1 callbacks suppressed
[  296.855207] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  296.855209] Mem-Info:
[  296.855242] active_anon:52607 inactive_anon:182 isolated_anon:0
[  296.855242]  active_file:12 inactive_file:11 isolated_file:0
[  296.855242]  unevictable:0 dirty:0 writeback:0 unstable:0
[  296.855242]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  296.855242]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  296.855242]  free:13782 free_pcp:358 free_cma:0
[  296.860574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.867499] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  296.869890] Call Trace:
[  296.902760] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  296.912100]  <IRQ>
[  296.939579] lowmem_reserve[]: 0 2818 6321 6321
[  296.942157]  dump_stack+0x244/0x39d
[  296.968236] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  296.970384]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.974938] lowmem_reserve[]: 0 0 3503 3503
[  296.978568]  warn_alloc.cold.116+0xb7/0x1bd
[  297.006203] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  297.011385]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.015688] lowmem_reserve[]: 0 0 0 0
[  297.020001]  ? lock_downgrade+0x900/0x900
[  297.048944] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  297.053784]  ? trace_hardirqs_off+0xb8/0x310
[  297.057557] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  297.061704]  ? trace_hardirqs_off+0xb8/0x310
[  297.075206] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  297.079617]  __alloc_pages_slowpath+0x26e8/0x2e10
[  297.094763] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  297.099179]  ? warn_alloc+0x120/0x120
[  297.114050] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  297.118877]  ? print_usage_bug+0xc0/0xc0
[  297.127686] 266 total pagecache pages
[  297.131475]  ? warn_alloc+0x120/0x120
[  297.140036] 0 pages in swap cache
[  297.144087]  ? warn_alloc+0x120/0x120
[  297.147991] Swap cache stats: add 0, delete 0, find 0/0
[  297.151780]  ? print_usage_bug+0xc0/0xc0
[  297.155205] Free swap  = 0kB
[  297.158997]  ? print_usage_bug+0xc0/0xc0
[  297.164338] Total swap = 0kB
[  297.164345] 1965979 pages RAM
[  297.168392]  ? __lock_acquire+0x62f/0x4c20
[  297.171386] 0 pages HighMem/MovableOnly
[  297.175434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.178427] 342854 pages reserved
[  297.181525]  ? should_fail+0x22d/0xd01
[  297.185735] 0 pages cma reserved
[  297.189707]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.195275] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.198657]  ? __lock_acquire+0x62f/0x4c20
[  297.202598] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.205883]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.210959] ksoftirqd/0 cpuset=/ mems_allowed=0
[  297.217447]  ? __lock_acquire+0x62f/0x4c20
[  297.217461]  ? should_fail+0x22d/0xd01
[  297.249789]  ? find_held_lock+0x36/0x1c0
[  297.253853]  ? mark_held_locks+0x130/0x130
[  297.258179]  ? mark_held_locks+0x130/0x130
[  297.262407]  ? zap_class+0x640/0x640
[  297.266116]  ? zap_class+0x640/0x640
[  297.269827]  ? print_usage_bug+0xc0/0xc0
[  297.273885]  ? do_raw_spin_unlock+0xa7/0x330
[  297.278289]  ? zap_class+0x640/0x640
[  297.282000]  ? print_usage_bug+0xc0/0xc0
[  297.286062]  ? wq_watchdog_touch+0x9c/0xfe
[  297.290298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.295836]  ? check_preemption_disabled+0x48/0x280
[  297.300859]  ? __lock_is_held+0xb5/0x140
[  297.304941]  __alloc_pages_nodemask+0xa80/0xde0
[  297.309608]  ? zap_class+0x640/0x640
[  297.313322]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  297.318348]  ? find_held_lock+0x36/0x1c0
[  297.322413]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.327093]  ? lock_downgrade+0x900/0x900
[  297.331243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.336785]  cache_grow_begin+0xa5/0x8c0
[  297.340855]  ? do_raw_spin_unlock+0xa7/0x330
[  297.345270]  fallback_alloc+0x204/0x2e0
[  297.349248]  ____cache_alloc_node+0x1c7/0x1e0
[  297.353746]  kmem_cache_alloc_node+0xe3/0x730
[  297.358240]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.362492]  __alloc_skb+0x119/0x770
[  297.366202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.371488]  ? netdev_alloc_frag+0x1f0/0x1f0
[  297.375894]  ? lock_downgrade+0x900/0x900
[  297.380045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.385583]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.391034]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.396488]  ? addrconf_rs_timer+0x690/0x690
[  297.400914]  ndisc_alloc_skb+0x144/0x340
[  297.404974]  ndisc_send_rs+0x331/0x6e0
[  297.408867]  addrconf_rs_timer+0x314/0x690
[  297.413102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.417342]  call_timer_fn+0x272/0x920
[  297.421225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.425456]  ? process_timeout+0x40/0x40
[  297.429525]  ? mark_held_locks+0xc7/0x130
[  297.433673]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.438161]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.442654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.446889]  ? lockdep_hardirqs_on+0x296/0x5b0
[  297.451488]  ? trace_hardirqs_on+0xbd/0x310
[  297.455807]  ? kasan_check_read+0x11/0x20
[  297.459949]  ? __run_timers+0x7da/0xc70
[  297.463935]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.469039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.473272]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.477500]  __run_timers+0x7e5/0xc70
[  297.481304]  ? timer_fixup_init+0x70/0x70
[  297.485450]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  297.490488]  ? zap_class+0x640/0x640
[  297.494207]  ? print_usage_bug+0xc0/0xc0
[  297.498271]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  297.503470]  ? find_held_lock+0x36/0x1c0
[  297.507531]  ? zap_class+0x640/0x640
[  297.511244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.516790]  ? check_preemption_disabled+0x48/0x280
[  297.521816]  ? __lock_is_held+0xb5/0x140
[  297.525872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.531406]  ? check_preemption_disabled+0x48/0x280
[  297.536421]  run_timer_softirq+0x52/0xb0
[  297.540489]  ? rcu_read_lock_sched_held+0x14f/0x180
[  297.545503]  __do_softirq+0x308/0xb7e
[  297.549307]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  297.553801]  ? lock_downgrade+0x900/0x900
[  297.557947]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  297.563054]  ? pvclock_read_flags+0x160/0x160
[  297.567548]  ? lapic_next_event+0x5a/0x90
[  297.571694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.577232]  ? kvm_clock_read+0x18/0x30
[  297.581205]  ? kvm_sched_clock_read+0x9/0x20
[  297.585615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.591148]  ? check_preemption_disabled+0x48/0x280
[  297.596257]  irq_exit+0x17f/0x1c0
[  297.599711]  smp_apic_timer_interrupt+0x1cb/0x760
[  297.604551]  ? smp_reschedule_interrupt+0x109/0x650
[  297.609566]  ? smp_call_function_single_interrupt+0x650/0x650
[  297.615445]  ? interrupt_entry+0xb5/0xc0
[  297.619517]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.624530]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.629547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.634658]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.639672]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.644686]  ? task_prio+0x50/0x50
[  297.648227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.653760]  ? check_preemption_disabled+0x48/0x280
[  297.658780]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.663626]  apic_timer_interrupt+0xf/0x20
[  297.667849]  </IRQ>
[  297.670083] RIP: 0010:lock_is_held_type+0x18b/0x210
[  297.675100] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  297.693995] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  297.701697] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  297.708958] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  297.716247] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  297.723513] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  297.730777] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  297.738066]  rcu_read_lock_held+0xa9/0xc0
[  297.742210]  css_next_child+0x2a2/0x620
[  297.746186]  ? cgroup_mount+0xd30/0xd30
[  297.750164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.755786]  ? check_preemption_disabled+0x48/0x280
[  297.760805]  ? __lock_is_held+0xb5/0x140
[  297.764876]  css_next_descendant_pre+0xeb/0x190
[  297.769545]  mem_cgroup_iter+0x42f/0x1160
[  297.773695]  ? kasan_check_write+0x14/0x20
[  297.777932]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  297.782685]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  297.787702]  ? shrink_slab+0xfa/0x8c0
[  297.791499]  ? shrink_active_list+0x1f00/0x1f00
[  297.796171]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  297.802307]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  297.807415]  ? cgroup_procs_write_finish+0xf0/0xf0
[  297.812353]  ? find_held_lock+0x36/0x1c0
[  297.816412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.821954]  ? vmpressure+0x1a2/0x340
[  297.825758]  shrink_node+0x516/0x16b0
[  297.829555]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  297.834853]  ? shrink_node_memcg+0x18f0/0x18f0
[  297.839441]  ? kvm_clock_read+0x18/0x30
[  297.843411]  ? ktime_get+0x2c1/0x400
[  297.847128]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  297.851623]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  297.857154]  ? __cpuset_node_allowed+0x19b/0x660
[  297.861909]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  297.867619]  ? delayacct_end+0x5a/0x100
[  297.871601]  do_try_to_free_pages+0x3e7/0x1290
[  297.876191]  ? zap_class+0x640/0x640
[  297.879916]  ? shrink_node+0x16b0/0x16b0
[  297.883977]  ? __lock_is_held+0xb5/0x140
[  297.888050]  try_to_free_pages+0x4d0/0xb90
[  297.892286]  ? do_try_to_free_pages+0x1290/0x1290
[  297.897137]  ? lock_acquire+0x1ed/0x520
[  297.901107]  ? set_page_refcounted+0x280/0x280
[  297.905689]  ? lock_release+0xa00/0xa00
[  297.909664]  ? _raw_spin_unlock_irq+0x60/0x80
[  297.914155]  ? psi_memstall_enter+0x240/0x2b0
[  297.918645]  ? psi_memstall_tick+0x230/0x230
[  297.923062]  __alloc_pages_slowpath+0xa14/0x2e10
[  297.927837]  ? warn_alloc+0x120/0x120
[  297.931632]  ? mark_held_locks+0x130/0x130
[  297.935874]  ? find_get_entry+0xaae/0x1120
[  297.940114]  ? filemap_map_pages+0x1a20/0x1a20
[  297.944697]  ? zap_class+0x640/0x640
[  297.948413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.953954]  ? check_preemption_disabled+0x48/0x280
[  297.958984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.964519]  ? should_fail+0x22d/0xd01
[  297.968411]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.973523]  ? zap_class+0x640/0x640
[  297.977255]  ? __lock_is_held+0xb5/0x140
[  297.981321]  ? mark_held_locks+0x130/0x130
[  297.985553]  ? lock_release+0xa00/0xa00
[  297.989525]  ? perf_trace_sched_process_exec+0x860/0x860
[  297.994974]  ? xa_load+0x2ba/0x460
[  297.998510]  ? lock_downgrade+0x900/0x900
[  298.002661]  ? __might_sleep+0x95/0x190
[  298.006640]  __alloc_pages_nodemask+0xa80/0xde0
[  298.011311]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  298.016331]  ? __page_cache_alloc+0x191/0x5c0
[  298.020833]  ? xa_load+0x2e1/0x460
[  298.024373]  ? xa_clear_mark+0x40/0x40
[  298.028259]  ? zap_class+0x640/0x640
[  298.031976]  ? zap_class+0x640/0x640
[  298.035685]  ? zap_class+0x640/0x640
[  298.039399]  ? __do_page_cache_readahead+0x663/0x810
[  298.044509]  ? find_held_lock+0x36/0x1c0
[  298.048570]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  298.054112]  alloc_pages_current+0x173/0x350
[  298.058522]  __page_cache_alloc+0x38c/0x5c0
[  298.062841]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.067766]  ? kasan_check_read+0x11/0x20
[  298.071909]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.077187]  ? generic_perform_write+0x6a0/0x6a0
[  298.081941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.087485]  ? check_preemption_disabled+0x48/0x280
[  298.092515]  filemap_fault+0x1595/0x25f0
[  298.096585]  ? __lock_page_or_retry+0xa00/0xa00
[  298.101263]  ? mark_held_locks+0x130/0x130
[  298.105506]  ? filemap_map_pages+0xd6b/0x1a20
[  298.110001]  ? lock_downgrade+0x900/0x900
[  298.114159]  ? check_preemption_disabled+0x48/0x280
[  298.119174]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.124098]  ? kasan_check_read+0x11/0x20
[  298.128255]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.133525]  ? rcu_softirq_qs+0x20/0x20
[  298.137505]  ? filemap_map_pages+0xd92/0x1a20
[  298.142004]  ? print_usage_bug+0xc0/0xc0
[  298.146067]  ? find_get_entries_tag+0x1400/0x1400
[  298.150906]  ? __kasan_slab_free+0x102/0x150
[  298.155308]  ? kasan_slab_free+0xe/0x10
[  298.159275]  ? kmem_cache_free+0x83/0x290
[  298.163425]  ? __sigqueue_free.part.29+0x74/0x90
[  298.168191]  ? lock_acquire+0x1ed/0x520
[  298.172159]  ? ext4_filemap_fault+0x7a/0xad
[  298.176481]  ? lock_release+0xa00/0xa00
[  298.180450]  ? perf_trace_sched_process_exec+0x860/0x860
[  298.185901]  ? print_usage_bug+0xc0/0xc0
[  298.189963]  ? print_usage_bug+0xc0/0xc0
[  298.194029]  ? down_read+0x8d/0x120
[  298.197648]  ? ext4_filemap_fault+0x7a/0xad
[  298.201971]  ? __down_interruptible+0x700/0x700
[  298.206642]  ext4_filemap_fault+0x82/0xad
[  298.210791]  __do_fault+0x100/0x6b0
[  298.214429]  ? pmd_devmap_trans_unstable+0x220/0x220
[  298.219545]  ? mark_held_locks+0x130/0x130
[  298.223775]  ? mark_held_locks+0x130/0x130
[  298.228007]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  298.233542]  ? rcu_pm_notify+0xc0/0xc0
[  298.237438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.242979]  __handle_mm_fault+0x3ea0/0x5be0
[  298.247390]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  298.252235]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.256730]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  298.261308]  ? trace_hardirqs_on+0xbd/0x310
[  298.265627]  ? kasan_check_read+0x11/0x20
[  298.269770]  ? __set_current_blocked+0xdf/0x120
[  298.274435]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.279547]  ? zap_class+0x640/0x640
[  298.283260]  ? zap_class+0x640/0x640
[  298.286973]  ? find_held_lock+0x36/0x1c0
[  298.291041]  ? handle_mm_fault+0x42a/0xc70
[  298.295273]  ? lock_downgrade+0x900/0x900
[  298.299424]  ? check_preemption_disabled+0x48/0x280
[  298.304441]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.309363]  ? kasan_check_read+0x11/0x20
[  298.313513]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.318784]  ? rcu_softirq_qs+0x20/0x20
[  298.322751]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.327852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.333397]  ? check_preemption_disabled+0x48/0x280
[  298.338428]  handle_mm_fault+0x54f/0xc70
[  298.342489]  ? __handle_mm_fault+0x5be0/0x5be0
[  298.347072]  ? find_vma+0x34/0x190
[  298.350613]  __do_page_fault+0x5e8/0xe60
[  298.354672]  ? exit_to_usermode_loop+0x1f4/0x380
[  298.359434]  do_page_fault+0xf2/0x7e0
[  298.363233]  ? vmalloc_sync_all+0x30/0x30
[  298.367378]  ? error_entry+0x70/0xd0
[  298.371095]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.376108]  ? trace_hardirqs_on_caller+0xc0/0x310
[  298.381034]  ? syscall_return_slowpath+0x5e0/0x5e0
[  298.385959]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.390799]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.395818]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  298.401270]  ? prepare_exit_to_usermode+0x291/0x3b0
[  298.406281]  ? page_fault+0x8/0x30
[  298.409821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.414661]  ? page_fault+0x8/0x30
[  298.418198]  page_fault+0x1e/0x30
[  298.421646] RIP: 0033:0x45db60
[  298.424844] Code: Bad RIP value.
[  298.428199] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  298.433560] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  298.440838] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  298.448101] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  298.455367] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  298.462659] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  298.469950] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  298.470012] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.476701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  298.476706] Call Trace:
[  298.476723]  dump_stack+0x244/0x39d
[  298.476742]  ? dump_stack_print_info.cold.1+0x20/0x20
[  298.483320] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.492801]  warn_alloc.cold.116+0xb7/0x1bd
[  298.495350] syz-fuzzer cpuset=/ mems_allowed=0
[  298.498966]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  298.528041]  ? lock_downgrade+0x900/0x900
[  298.532191]  ? trace_hardirqs_off+0xb8/0x310
[  298.536602]  ? trace_hardirqs_off+0xb8/0x310
[  298.541017]  __alloc_pages_slowpath+0x26e8/0x2e10
[  298.545878]  ? warn_alloc+0x120/0x120
[  298.549680]  ? print_usage_bug+0xc0/0xc0
[  298.553740]  ? warn_alloc+0x120/0x120
[  298.557543]  ? warn_alloc+0x120/0x120
[  298.561344]  ? print_usage_bug+0xc0/0xc0
[  298.565419]  ? print_usage_bug+0xc0/0xc0
[  298.569486]  ? __lock_acquire+0x62f/0x4c20
[  298.573721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.579251]  ? should_fail+0x22d/0xd01
[  298.583138]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.588236]  ? __lock_acquire+0x62f/0x4c20
[  298.592478]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.597575]  ? __lock_acquire+0x62f/0x4c20
[  298.601801]  ? should_fail+0x22d/0xd01
[  298.605687]  ? find_held_lock+0x36/0x1c0
[  298.609751]  ? mark_held_locks+0x130/0x130
[  298.613987]  ? mark_held_locks+0x130/0x130
[  298.618214]  ? zap_class+0x640/0x640
[  298.621929]  ? mark_held_locks+0xc7/0x130
[  298.626070]  ? do_raw_spin_unlock+0xa7/0x330
[  298.630477]  ? zap_class+0x640/0x640
[  298.634185]  ? print_usage_bug+0xc0/0xc0
[  298.638244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.643775]  ? check_preemption_disabled+0x48/0x280
[  298.648807]  ? __lock_is_held+0xb5/0x140
[  298.652870]  __alloc_pages_nodemask+0xa80/0xde0
[  298.657547]  ? zap_class+0x640/0x640
[  298.661264]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  298.666284]  ? find_held_lock+0x36/0x1c0
[  298.670347]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.675378]  ? lock_downgrade+0x900/0x900
[  298.679538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.685075]  cache_grow_begin+0xa5/0x8c0
[  298.689128]  ? do_raw_spin_unlock+0xa7/0x330
[  298.693539]  fallback_alloc+0x204/0x2e0
[  298.697517]  ____cache_alloc_node+0x1c7/0x1e0
[  298.702013]  kmem_cache_alloc_node+0xe3/0x730
[  298.706505]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.710749]  __alloc_skb+0x119/0x770
[  298.714461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.719743]  ? netdev_alloc_frag+0x1f0/0x1f0
[  298.724146]  ? lock_downgrade+0x900/0x900
[  298.728299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.733836]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.739290]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.744738]  ? addrconf_rs_timer+0x690/0x690
[  298.749153]  ndisc_alloc_skb+0x144/0x340
[  298.753213]  ndisc_send_rs+0x331/0x6e0
[  298.757099]  addrconf_rs_timer+0x314/0x690
[  298.761331]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.765591]  call_timer_fn+0x272/0x920
[  298.769474]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.773703]  ? process_timeout+0x40/0x40
[  298.777768]  ? __run_timers+0x7da/0xc70
[  298.781741]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.786227]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.790725]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.794954]  ? lockdep_hardirqs_on+0x296/0x5b0
[  298.799532]  ? trace_hardirqs_on+0xbd/0x310
[  298.803851]  ? kasan_check_read+0x11/0x20
[  298.807993]  ? __run_timers+0x7da/0xc70
[  298.811979]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.817079]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.821316]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.825556]  __run_timers+0x7e5/0xc70
[  298.829372]  ? timer_fixup_init+0x70/0x70
[  298.833523]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.838012]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.842515]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  298.847093]  ? trace_hardirqs_on+0xbd/0x310
[  298.851427]  ? kasan_check_read+0x11/0x20
[  298.855576]  ? finish_task_switch+0x1f4/0x910
[  298.860071]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.865172]  ? compat_start_thread+0x80/0x80
[  298.869596]  ? pvclock_read_flags+0x160/0x160
[  298.874096]  ? __switch_to_asm+0x34/0x70
[  298.878156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.883690]  ? check_preemption_disabled+0x48/0x280
[  298.888709]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  298.894244]  ? rcu_pm_notify+0xc0/0xc0
[  298.898130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.903663]  ? check_preemption_disabled+0x48/0x280
[  298.908683]  run_timer_softirq+0x52/0xb0
[  298.912743]  ? rcu_read_lock_sched_held+0x14f/0x180
[  298.917767]  __do_softirq+0x308/0xb7e
[  298.921685]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  298.926784]  ? smpboot_thread_fn+0x334/0xa00
[  298.931194]  ? schedule+0x108/0x460
[  298.934815]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  298.939579]  ? trace_hardirqs_off+0xb8/0x310
[  298.943982]  ? smpboot_thread_fn+0x68b/0xa00
[  298.948392]  ? trace_hardirqs_on+0x310/0x310
[  298.952797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.958341]  ? check_preemption_disabled+0x48/0x280
[  298.963363]  ? takeover_tasklets+0xa90/0xa90
[  298.967772]  run_ksoftirqd+0x5e/0x100
[  298.971573]  smpboot_thread_fn+0x68b/0xa00
[  298.975805]  ? sort_range+0x30/0x30
[  298.979427]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  298.984536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.990069]  ? __kthread_parkme+0xfb/0x1a0
[  298.994305]  ? sort_range+0x30/0x30
[  298.997936]  kthread+0x35a/0x440
[  299.001305]  ? kthread_stop+0x900/0x900
[  299.005294]  ret_from_fork+0x3a/0x50
[  299.009033] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  299.009037] warn_alloc_show_mem: 1 callbacks suppressed
[  299.009043] Mem-Info:
[  299.015957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.021322] active_anon:52607 inactive_anon:182 isolated_anon:0
[  299.021322]  active_file:12 inactive_file:11 isolated_file:0
[  299.021322]  unevictable:0 dirty:0 writeback:0 unstable:0
[  299.021322]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  299.021322]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  299.021322]  free:13782 free_pcp:358 free_cma:0
[  299.023693] Call Trace:
[  299.033066] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  299.065904]  <IRQ>
[  299.068468] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  299.095967]  dump_stack+0x244/0x39d
[  299.098091] lowmem_reserve[]: 0 2818 6321 6321
[  299.124192]  ? dump_stack_print_info.cold.1+0x20/0x20
[  299.127793] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  299.132378]  warn_alloc.cold.116+0xb7/0x1bd
[  299.137537] lowmem_reserve[]: 0 0 3503 3503
[  299.165200]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.169494] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  299.173807]  ? lock_downgrade+0x900/0x900
[  299.178620] lowmem_reserve[]: 0 0 0 0
[  299.207809]  ? trace_hardirqs_off+0xb8/0x310
[  299.211924] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  299.215730]  ? trace_hardirqs_off+0xb8/0x310
[  299.220110] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  299.233626]  __alloc_pages_slowpath+0x26e8/0x2e10
[  299.238004] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  299.253191]  ? warn_alloc+0x120/0x120
[  299.257994] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  299.272888]  ? print_usage_bug+0xc0/0xc0
[  299.276668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  299.285483]  ? warn_alloc+0x120/0x120
[  299.289520] 266 total pagecache pages
[  299.298082]  ? warn_alloc+0x120/0x120
[  299.301861] 0 pages in swap cache
[  299.305645]  ? print_usage_bug+0xc0/0xc0
[  299.309421] Swap cache stats: add 0, delete 0, find 0/0
[  299.312861]  ? kvm_clock_read+0x18/0x30
[  299.316896] Free swap  = 0kB
[  299.322247]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  299.326195] Total swap = 0kB
[  299.329201]  ? print_usage_bug+0xc0/0xc0
[  299.334191] 1965979 pages RAM
[  299.337199]  ? __lock_acquire+0x62f/0x4c20
[  299.341331] 0 pages HighMem/MovableOnly
[  299.344434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.348640] 342854 pages reserved
[  299.352606]  ? should_fail+0x22d/0xd01
[  299.358110] 0 pages cma reserved
[  299.361550]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.365469] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  299.368769]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.374093] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  299.380500]  ? __lock_acquire+0x62f/0x4c20
[  299.385574] ksoftirqd/0 cpuset=/ mems_allowed=0
[  299.395878]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.409826]  ? __lock_acquire+0x62f/0x4c20
[  299.414060]  ? should_fail+0x22d/0xd01
[  299.417944]  ? rcu_irq_exit+0x1a2/0x390
[  299.421924]  ? mark_held_locks+0x130/0x130
[  299.426173]  ? mark_held_locks+0x130/0x130
[  299.430408]  ? mark_held_locks+0xc7/0x130
[  299.434553]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  299.439566]  ? zap_class+0x640/0x640
[  299.443279]  ? print_usage_bug+0xc0/0xc0
[  299.447349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.452883]  ? check_preemption_disabled+0x48/0x280
[  299.457902]  ? __lock_is_held+0xb5/0x140
[  299.461968]  __alloc_pages_nodemask+0xa80/0xde0
[  299.466636]  ? zap_class+0x640/0x640
[  299.470354]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  299.475378]  ? find_held_lock+0x36/0x1c0
[  299.479443]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.484109]  ? lock_downgrade+0x900/0x900
[  299.488262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.493808]  cache_grow_begin+0xa5/0x8c0
[  299.497887]  ? do_raw_spin_unlock+0xa7/0x330
[  299.502303]  fallback_alloc+0x204/0x2e0
[  299.506282]  ____cache_alloc_node+0x1c7/0x1e0
[  299.510786]  kmem_cache_alloc_node+0xe3/0x730
[  299.515279]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.519530]  __alloc_skb+0x119/0x770
[  299.523236]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.528510]  ? netdev_alloc_frag+0x1f0/0x1f0
[  299.532915]  ? lock_downgrade+0x900/0x900
[  299.537065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.542599]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.548048]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.553498]  ? addrconf_rs_timer+0x690/0x690
[  299.557915]  ndisc_alloc_skb+0x144/0x340
[  299.561974]  ndisc_send_rs+0x331/0x6e0
[  299.565864]  addrconf_rs_timer+0x314/0x690
[  299.570100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.574344]  call_timer_fn+0x272/0x920
[  299.578227]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.582459]  ? process_timeout+0x40/0x40
[  299.586525]  ? mark_held_locks+0xc7/0x130
[  299.590668]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.595156]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.599644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.603877]  ? lockdep_hardirqs_on+0x296/0x5b0
[  299.608460]  ? trace_hardirqs_on+0xbd/0x310
[  299.612780]  ? kasan_check_read+0x11/0x20
[  299.616921]  ? __run_timers+0x7da/0xc70
[  299.620893]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.626004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.630237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.634800]  __run_timers+0x7e5/0xc70
[  299.638622]  ? timer_fixup_init+0x70/0x70
[  299.642769]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  299.647781]  ? zap_class+0x640/0x640
[  299.651498]  ? print_usage_bug+0xc0/0xc0
[  299.655560]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  299.660750]  ? find_held_lock+0x36/0x1c0
[  299.664816]  ? zap_class+0x640/0x640
[  299.668533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.674068]  ? check_preemption_disabled+0x48/0x280
[  299.679088]  ? __lock_is_held+0xb5/0x140
[  299.683145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.688679]  ? check_preemption_disabled+0x48/0x280
[  299.693696]  run_timer_softirq+0x52/0xb0
[  299.697755]  ? rcu_read_lock_sched_held+0x14f/0x180
[  299.702876]  __do_softirq+0x308/0xb7e
[  299.706679]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  299.711168]  ? lock_downgrade+0x900/0x900
[  299.715315]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  299.720433]  ? pvclock_read_flags+0x160/0x160
[  299.724927]  ? lapic_next_event+0x5a/0x90
[  299.729073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.734610]  ? kvm_clock_read+0x18/0x30
[  299.738581]  ? kvm_sched_clock_read+0x9/0x20
[  299.742989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.748522]  ? check_preemption_disabled+0x48/0x280
[  299.753543]  irq_exit+0x17f/0x1c0
[  299.756994]  smp_apic_timer_interrupt+0x1cb/0x760
[  299.761834]  ? smp_reschedule_interrupt+0x109/0x650
[  299.766847]  ? smp_call_function_single_interrupt+0x650/0x650
[  299.772727]  ? interrupt_entry+0xb5/0xc0
[  299.776785]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.781805]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.786821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.791662]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.796674]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.802226]  ? task_prio+0x50/0x50
[  299.805767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.811305]  ? check_preemption_disabled+0x48/0x280
[  299.816322]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.821173]  apic_timer_interrupt+0xf/0x20
[  299.825398]  </IRQ>
[  299.827635] RIP: 0010:lock_is_held_type+0x18b/0x210
[  299.832649] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  299.851545] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  299.859251] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  299.866530] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  299.873797] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  299.881060] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  299.888332] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  299.895627]  rcu_read_lock_held+0xa9/0xc0
[  299.899772]  css_next_child+0x2a2/0x620
[  299.903755]  ? cgroup_mount+0xd30/0xd30
[  299.907728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.913270]  ? check_preemption_disabled+0x48/0x280
[  299.918298]  ? __lock_is_held+0xb5/0x140
[  299.922372]  css_next_descendant_pre+0xeb/0x190
[  299.927039]  mem_cgroup_iter+0x42f/0x1160
[  299.931185]  ? kasan_check_write+0x14/0x20
[  299.935427]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  299.940177]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  299.945198]  ? shrink_slab+0xfa/0x8c0
[  299.948994]  ? shrink_active_list+0x1f00/0x1f00
[  299.953670]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  299.959290]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.964393]  ? cgroup_procs_write_finish+0xf0/0xf0
[  299.969325]  ? find_held_lock+0x36/0x1c0
[  299.973387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.978922]  ? vmpressure+0x1a2/0x340
[  299.982726]  shrink_node+0x516/0x16b0
[  299.986521]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  299.991821]  ? shrink_node_memcg+0x18f0/0x18f0
[  299.996403]  ? kvm_clock_read+0x18/0x30
[  300.000375]  ? ktime_get+0x2c1/0x400
[  300.004088]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  300.008585]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  300.014116]  ? __cpuset_node_allowed+0x19b/0x660
[  300.018872]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  300.024582]  ? delayacct_end+0x5a/0x100
[  300.028559]  do_try_to_free_pages+0x3e7/0x1290
[  300.033135]  ? zap_class+0x640/0x640
[  300.036859]  ? shrink_node+0x16b0/0x16b0
[  300.040916]  ? __lock_is_held+0xb5/0x140
[  300.044986]  try_to_free_pages+0x4d0/0xb90
[  300.049222]  ? do_try_to_free_pages+0x1290/0x1290
[  300.054076]  ? lock_acquire+0x1ed/0x520
[  300.058047]  ? set_page_refcounted+0x280/0x280
[  300.062630]  ? lock_release+0xa00/0xa00
[  300.066599]  ? _raw_spin_unlock_irq+0x60/0x80
[  300.071090]  ? psi_memstall_enter+0x240/0x2b0
[  300.075581]  ? psi_memstall_tick+0x230/0x230
[  300.079996]  __alloc_pages_slowpath+0xa14/0x2e10
[  300.084792]  ? warn_alloc+0x120/0x120
[  300.088589]  ? mark_held_locks+0x130/0x130
[  300.092825]  ? find_get_entry+0xaae/0x1120
[  300.097066]  ? filemap_map_pages+0x1a20/0x1a20
[  300.101657]  ? zap_class+0x640/0x640
[  300.105372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.110906]  ? check_preemption_disabled+0x48/0x280
[  300.115945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.121479]  ? should_fail+0x22d/0xd01
[  300.125369]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.130470]  ? zap_class+0x640/0x640
[  300.134201]  ? __lock_is_held+0xb5/0x140
[  300.138278]  ? mark_held_locks+0x130/0x130
[  300.142511]  ? lock_release+0xa00/0xa00
[  300.146486]  ? perf_trace_sched_process_exec+0x860/0x860
[  300.151936]  ? xa_load+0x2ba/0x460
[  300.155476]  ? lock_downgrade+0x900/0x900
[  300.159622]  ? __might_sleep+0x95/0x190
[  300.163596]  __alloc_pages_nodemask+0xa80/0xde0
[  300.168269]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  300.173285]  ? __page_cache_alloc+0x191/0x5c0
[  300.177777]  ? xa_load+0x2e1/0x460
[  300.181315]  ? xa_clear_mark+0x40/0x40
[  300.185199]  ? zap_class+0x640/0x640
[  300.188925]  ? zap_class+0x640/0x640
[  300.192638]  ? zap_class+0x640/0x640
[  300.196348]  ? __do_page_cache_readahead+0x663/0x810
[  300.201450]  ? find_held_lock+0x36/0x1c0
[  300.205512]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  300.211049]  alloc_pages_current+0x173/0x350
[  300.215461]  __page_cache_alloc+0x38c/0x5c0
[  300.219779]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  300.224703]  ? kasan_check_read+0x11/0x20
[  300.228846]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.234124]  ? generic_perform_write+0x6a0/0x6a0
[  300.238874]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.244409]  ? check_preemption_disabled+0x48/0x280
[  300.249427]  filemap_fault+0x1595/0x25f0
[  300.253494]  ? __lock_page_or_retry+0xa00/0xa00
[  300.258164]  ? mark_held_locks+0x130/0x130
[  300.262407]  ? filemap_map_pages+0xd6b/0x1a20
[  300.266897]  ? lock_downgrade+0x900/0x900
[  300.271038]  ? check_preemption_disabled+0x48/0x280
[  300.276052]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  300.280979]  ? kasan_check_read+0x11/0x20
[  300.285123]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.290400]  ? rcu_softirq_qs+0x20/0x20
[  300.294385]  ? filemap_map_pages+0xd92/0x1a20
[  300.298881]  ? print_usage_bug+0xc0/0xc0
[  300.302947]  ? find_get_entries_tag+0x1400/0x1400
[  300.307788]  ? __kasan_slab_free+0x102/0x150
[  300.312195]  ? kasan_slab_free+0xe/0x10
[  300.316187]  ? kmem_cache_free+0x83/0x290
[  300.320336]  ? __sigqueue_free.part.29+0x74/0x90
[  300.325102]  ? lock_acquire+0x1ed/0x520
[  300.329070]  ? ext4_filemap_fault+0x7a/0xad
[  300.333393]  ? lock_release+0xa00/0xa00
[  300.337360]  ? perf_trace_sched_process_exec+0x860/0x860
[  300.342809]  ? print_usage_bug+0xc0/0xc0
[  300.346866]  ? print_usage_bug+0xc0/0xc0
[  300.350933]  ? down_read+0x8d/0x120
[  300.354552]  ? ext4_filemap_fault+0x7a/0xad
[  300.358875]  ? __down_interruptible+0x700/0x700
[  300.363549]  ext4_filemap_fault+0x82/0xad
[  300.367694]  __do_fault+0x100/0x6b0
[  300.371325]  ? pmd_devmap_trans_unstable+0x220/0x220
[  300.376427]  ? mark_held_locks+0x130/0x130
[  300.380662]  ? mark_held_locks+0x130/0x130
[  300.384891]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  300.390426]  ? rcu_pm_notify+0xc0/0xc0
[  300.394316]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.399853]  __handle_mm_fault+0x3ea0/0x5be0
[  300.404264]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  300.409098]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.413589]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  300.418283]  ? trace_hardirqs_on+0xbd/0x310
[  300.422599]  ? kasan_check_read+0x11/0x20
[  300.426741]  ? __set_current_blocked+0xdf/0x120
[  300.431424]  ? trace_hardirqs_off_caller+0x310/0x310
[  300.436623]  ? zap_class+0x640/0x640
[  300.440331]  ? zap_class+0x640/0x640
[  300.444049]  ? find_held_lock+0x36/0x1c0
[  300.448115]  ? handle_mm_fault+0x42a/0xc70
[  300.452345]  ? lock_downgrade+0x900/0x900
[  300.456491]  ? check_preemption_disabled+0x48/0x280
[  300.461505]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  300.466434]  ? kasan_check_read+0x11/0x20
[  300.470580]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.475851]  ? rcu_softirq_qs+0x20/0x20
[  300.479823]  ? trace_hardirqs_off_caller+0x310/0x310
[  300.484924]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.490457]  ? check_preemption_disabled+0x48/0x280
[  300.495479]  handle_mm_fault+0x54f/0xc70
[  300.499538]  ? __handle_mm_fault+0x5be0/0x5be0
[  300.504122]  ? find_vma+0x34/0x190
[  300.507664]  __do_page_fault+0x5e8/0xe60
[  300.511734]  ? exit_to_usermode_loop+0x1f4/0x380
[  300.516498]  do_page_fault+0xf2/0x7e0
[  300.520312]  ? vmalloc_sync_all+0x30/0x30
[  300.524455]  ? error_entry+0x70/0xd0
[  300.528168]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.533180]  ? trace_hardirqs_on_caller+0xc0/0x310
[  300.538141]  ? syscall_return_slowpath+0x5e0/0x5e0
[  300.543065]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.547904]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.552915]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  300.558368]  ? prepare_exit_to_usermode+0x291/0x3b0
[  300.563379]  ? page_fault+0x8/0x30
[  300.566917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.571764]  ? page_fault+0x8/0x30
[  300.575304]  page_fault+0x1e/0x30
[  300.578757] RIP: 0033:0x45db60
[  300.581960] Code: Bad RIP value.
[  300.585316] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  300.590688] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  300.597967] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  300.605231] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  300.612495] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  300.619761] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  300.627050] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  300.627080] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  300.634239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.640447] rcu: 	(detected by 1, t=10697 jiffies, g=13285, q=34)
[  300.649784] Call Trace:
[  300.655999] rcu: All QSes seen, last rcu_preempt kthread activity 10672 (4294967215-4294956543), jiffies_till_next_fqs=1, root ->qsmask 0x0
[  300.656008] syz-fuzzer      R  running task    12488  5975   5961 0x80000008
[  300.658584]  dump_stack+0x244/0x39d
[  300.671213] Call Trace:
[  300.678405]  ? dump_stack_print_info.cold.1+0x20/0x20
[  300.682005]  <IRQ>
[  300.684584]  warn_alloc.cold.116+0xb7/0x1bd
[  300.689751]  sched_show_task.cold.84+0x2b6/0x30a
[  300.691884]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.696183]  ? can_nice.part.74+0x20/0x20
[  300.700928]  ? lock_downgrade+0x900/0x900
[  300.705751]  ? vprintk_default+0x28/0x30
[  300.709883]  ? trace_hardirqs_off+0xb8/0x310
[  300.714006]  ? vprintk_func+0x85/0x181
[  300.718052]  ? trace_hardirqs_off+0xb8/0x310
[  300.722451]  ? vprintk_func+0x85/0x181
[  300.726340]  __alloc_pages_slowpath+0x26e8/0x2e10
[  300.730742]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  300.734632]  ? warn_alloc+0x120/0x120
[  300.739438]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  300.744176]  ? print_usage_bug+0xc0/0xc0
[  300.747967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.752708]  ? warn_alloc+0x120/0x120
[  300.756755]  print_other_cpu_stall.cold.66+0x7dd/0x8bb
[  300.762273]  ? warn_alloc+0x120/0x120
[  300.766064]  ? print_usage_bug+0xc0/0xc0
[  300.771336]  ? print_usage_bug+0xc0/0xc0
[  300.775118]  ? rcu_qs+0x110/0x110
[  300.779163]  ? print_usage_bug+0xc0/0xc0
[  300.783220]  ? zap_class+0x640/0x640
[  300.786739]  ? __lock_acquire+0x62f/0x4c20
[  300.790866]  ? print_usage_bug+0xc0/0xc0
[  300.794563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.798778]  ? kasan_check_read+0x11/0x20
[  300.802828]  ? should_fail+0x22d/0xd01
[  300.808347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.812477]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.816346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.821860]  ? __lock_acquire+0x62f/0x4c20
[  300.826946]  ? do_trace_rcu_torture_read+0x10/0x10
[  300.832466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.836684]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  300.841590]  ? __lock_acquire+0x62f/0x4c20
[  300.846671]  ? __lock_is_held+0xb5/0x140
[  300.851929]  ? should_fail+0x22d/0xd01
[  300.856142]  ? __rcu_read_lock+0x50/0x50
[  300.860188]  ? find_held_lock+0x36/0x1c0
[  300.864061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.868108]  ? mark_held_locks+0x130/0x130
[  300.872144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.877665]  ? mark_held_locks+0x130/0x130
[  300.881882]  ? check_preemption_disabled+0x48/0x280
[  300.887396]  ? zap_class+0x640/0x640
[  300.891617]  rcu_check_callbacks+0xfd7/0x13f0
[  300.896612]  ? mark_held_locks+0xc7/0x130
[  300.900308]  ? rcutree_dead_cpu+0x10/0x10
[  300.904785]  ? do_raw_spin_unlock+0xa7/0x330
[  300.908916]  ? lock_downgrade+0x900/0x900
[  300.913046]  ? zap_class+0x640/0x640
[  300.917435]  ? lock_release+0x930/0xa00
[  300.921563]  ? print_usage_bug+0xc0/0xc0
[  300.925262]  ? zap_class+0x640/0x640
[  300.929217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.933253]  ? zap_class+0x640/0x640
[  300.936951]  ? check_preemption_disabled+0x48/0x280
[  300.942466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.946175]  ? __lock_is_held+0xb5/0x140
[  300.951174]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  300.956695]  __alloc_pages_nodemask+0xa80/0xde0
[  300.960736]  ? kvm_set_tsc_khz+0x540/0x540
[  300.965296]  ? zap_class+0x640/0x640
[  300.969946]  ? warn_alloc.cold.116+0xd1/0x1bd
[  300.974174]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  300.977871]  ? find_held_lock+0x36/0x1c0
[  300.982370]  ? find_held_lock+0x36/0x1c0
[  300.987361]  ? zap_class+0x640/0x640
[  300.991408]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.995446]  ? timekeeping_advance+0x3cc/0xc00
[  300.999142]  ? lock_downgrade+0x900/0x900
[  301.003792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.008356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.012482]  ? check_preemption_disabled+0x48/0x280
[  301.018001]  cache_grow_begin+0xa5/0x8c0
[  301.023629]  ? trace_hardirqs_off+0xb8/0x310
[  301.028623]  ? do_raw_spin_unlock+0xa7/0x330
[  301.032664]  ? __lock_is_held+0xb5/0x140
[  301.037059]  fallback_alloc+0x204/0x2e0
[  301.041448]  ? trace_hardirqs_on+0x310/0x310
[  301.045493]  ____cache_alloc_node+0x1c7/0x1e0
[  301.049450]  ? check_preemption_disabled+0x48/0x280
[  301.053841]  kmem_cache_alloc_node+0xe3/0x730
[  301.058319]  ? raise_softirq+0x199/0x420
[  301.063317]  ? ipv6_get_ifaddr+0x42e/0x620
[  301.067789]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  301.071841]  __alloc_skb+0x119/0x770
[  301.076054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.080699]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.080717]  ? netdev_alloc_frag+0x1f0/0x1f0
[  301.084413]  ? check_preemption_disabled+0x48/0x280
[  301.089931]  ? lock_downgrade+0x900/0x900
[  301.095192]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  301.099592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.104587]  ? hrtimer_run_queues+0x9a/0x400
[  301.108715]  ? refcount_sub_and_test_checked+0x203/0x310
[  301.114236]  ? run_local_timers+0x19b/0x230
[  301.119752]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  301.124136]  ? timer_clear_idle+0x90/0x90
[  301.129575]  ? addrconf_rs_timer+0x690/0x690
[  301.133876]  ? debug_smp_processor_id+0x1c/0x20
[  301.139317]  ndisc_alloc_skb+0x144/0x340
[  301.143459]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  301.147848]  ndisc_send_rs+0x331/0x6e0
[  301.152498]  ? account_process_tick+0x282/0x350
[  301.156538]  addrconf_rs_timer+0x314/0x690
[  301.162491]  update_process_times+0x2d/0x70
[  301.166372]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.171025]  tick_sched_handle+0x9f/0x180
[  301.175245]  call_timer_fn+0x272/0x920
[  301.179559]  tick_sched_timer+0x45/0x130
[  301.183775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.187905]  __hrtimer_run_queues+0x41c/0x10d0
[  301.191771]  ? process_timeout+0x40/0x40
[  301.195820]  ? tick_sched_do_timer+0x1a0/0x1a0
[  301.200036]  ? __run_timers+0x7da/0xc70
[  301.204599]  ? hrtimer_start_range_ns+0xe00/0xe00
[  301.208641]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.213214]  ? pvclock_read_flags+0x160/0x160
[  301.217171]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.221995]  ? trace_hardirqs_on+0x310/0x310
[  301.226471]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.230955]  ? kvm_clock_read+0x18/0x30
[  301.235426]  ? lockdep_hardirqs_on+0x296/0x5b0
[  301.239816]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  301.244031]  ? trace_hardirqs_on+0xbd/0x310
[  301.247989]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  301.252553]  ? kasan_check_read+0x11/0x20
[  301.257549]  ? do_timer+0x50/0x50
[  301.261849]  ? __run_timers+0x7da/0xc70
[  301.267193]  ? rwlock_bug.part.2+0x90/0x90
[  301.271321]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.274754]  ? trace_hardirqs_on+0x310/0x310
[  301.278712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.282924]  ? rcu_softirq_qs+0x20/0x20
[  301.288012]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.292408]  hrtimer_interrupt+0x313/0x780
[  301.296616]  __run_timers+0x7e5/0xc70
[  301.300586]  smp_apic_timer_interrupt+0x1a1/0x760
[  301.304799]  ? timer_fixup_init+0x70/0x70
[  301.309013]  ? smp_call_function_single_interrupt+0x650/0x650
[  301.312793]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.317619]  ? interrupt_entry+0xb5/0xc0
[  301.321750]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.327620]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.332098]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  301.336147]  ? ____cache_alloc_node+0x1c7/0x1e0
[  301.340621]  ? trace_hardirqs_on+0xbd/0x310
[  301.345617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.350181]  ? kasan_check_read+0x11/0x20
[  301.354829]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.359140]  ? finish_task_switch+0x1f4/0x910
[  301.363970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.368094]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.373091]  apic_timer_interrupt+0xf/0x20
[  301.377565]  ? compat_start_thread+0x80/0x80
[  301.382386] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  301.387483]  ? pvclock_read_flags+0x160/0x160
[  301.391685] Code: 3f 7e 0f 85 32 ff ff ff e8 75 1d 3e ff e9 28 ff ff ff e8 ec 52 c3 ff 48 83 3d f4 9b 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 60
[  301.396070]  ? __switch_to_asm+0x34/0x70
[  301.401411] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  301.405894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.424772] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10038422988
[  301.428818]  ? check_preemption_disabled+0x48/0x280
[  301.436498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  301.442027]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  301.449274] RBP: ffff8801daf074c0 R08: ffff8801c2114c40 R09: 0000000000000002
[  301.454286]  ? rcu_pm_notify+0xc0/0xc0
[  301.461534] R10: 0000000000000000 R11: ffff8801c2114300 R12: ffff8801d9a1c0c0
[  301.467055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.474306] R13: ffff8801d9a1c0c0 R14: 0000000000000000 R15: 0000000000000286
[  301.478184]  ? check_preemption_disabled+0x48/0x280
[  301.485437]  ? apic_timer_interrupt+0xa/0x20
[  301.490956]  run_timer_softirq+0x52/0xb0
[  301.498226]  ? ipv6_get_ifaddr+0x42e/0x620
[  301.503214]  ? rcu_read_lock_sched_held+0x14f/0x180
[  301.507607]  __alloc_skb+0x119/0x770
[  301.511643]  __do_softirq+0x308/0xb7e
[  301.515862]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.520878]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  301.524581]  ? netdev_alloc_frag+0x1f0/0x1f0
[  301.528364]  ? smpboot_thread_fn+0x334/0xa00
[  301.533621]  ? lock_downgrade+0x900/0x900
[  301.538716]  ? schedule+0x108/0x460
[  301.543110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.547495]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  301.547518]  ? trace_hardirqs_off+0xb8/0x310
[  301.551643]  ? refcount_sub_and_test_checked+0x203/0x310
[  301.555250]  ? smpboot_thread_fn+0x68b/0xa00
[  301.560769]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  301.565506]  ? trace_hardirqs_on+0x310/0x310
[  301.569896]  ? addrconf_rs_timer+0x690/0x690
[  301.575326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.579721]  ndisc_alloc_skb+0x144/0x340
[  301.585156]  ? check_preemption_disabled+0x48/0x280
[  301.589546]  ndisc_send_rs+0x331/0x6e0
[  301.593937]  ? takeover_tasklets+0xa90/0xa90
[  301.599459]  addrconf_rs_timer+0x314/0x690
[  301.603496]  run_ksoftirqd+0x5e/0x100
[  301.608495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.612360]  smpboot_thread_fn+0x68b/0xa00
[  301.616757]  call_timer_fn+0x272/0x920
[  301.620970]  ? sort_range+0x30/0x30
[  301.624851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.629068]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  301.633624]  ? process_timeout+0x40/0x40
[  301.637495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.641118]  ? mark_held_locks+0xc7/0x130
[  301.645337]  ? __kthread_parkme+0xfb/0x1a0
[  301.650423]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.654467]  ? sort_range+0x30/0x30
[  301.659985]  ? _raw_spin_unlock_irq+0x27/0x80
[  301.664123]  kthread+0x35a/0x440
[  301.668336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.672810]  ? kthread_stop+0x900/0x900
[  301.676435]  ? lockdep_hardirqs_on+0x296/0x5b0
[  301.680908]  ret_from_fork+0x3a/0x50
[  301.684258]  ? trace_hardirqs_on+0xbd/0x310
[  301.688481] warn_alloc_show_mem: 1 callbacks suppressed
[  301.688486] Mem-Info:
[  301.692432]  ? kasan_check_read+0x11/0x20
[  301.697009] active_anon:52607 inactive_anon:182 isolated_anon:0
[  301.697009]  active_file:12 inactive_file:11 isolated_file:0
[  301.697009]  unevictable:0 dirty:0 writeback:0 unstable:0
[  301.697009]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  301.697009]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  301.697009]  free:13782 free_pcp:358 free_cma:0
[  301.700688]  ? __run_timers+0x7da/0xc70
[  301.705005] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  301.710337]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.712722] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  301.716880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.749725] lowmem_reserve[]: 0 2818 6321 6321
[  301.753697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.781291] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  301.786396]  __run_timers+0x7e5/0xc70
[  301.812772] lowmem_reserve[]: 0 0 3503 3503
[  301.817021]  ? timer_fixup_init+0x70/0x70
[  301.821566] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  301.825805]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  301.853440] lowmem_reserve[]: 0 0 0 0
[  301.857238]  ? zap_class+0x640/0x640
[  301.861533] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  301.865674]  ? print_usage_bug+0xc0/0xc0
[  301.894614] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  301.899637]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  301.903418] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  301.907224]  ? find_held_lock+0x36/0x1c0
[  301.920732] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  301.924870]  ? zap_class+0x640/0x640
[  301.940111] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  301.945287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.960180] 266 total pagecache pages
[  301.964232]  ? check_preemption_disabled+0x48/0x280
[  301.973216] 0 pages in swap cache
[  301.976922]  ? __lock_is_held+0xb5/0x140
[  301.985469] Swap cache stats: add 0, delete 0, find 0/0
[  301.990992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.994764] Free swap  = 0kB
[  301.999769]  ? check_preemption_disabled+0x48/0x280
[  302.003195] Total swap = 0kB
[  302.007247]  run_timer_softirq+0x52/0xb0
[  302.012583] 1965979 pages RAM
[  302.018112]  ? rcu_read_lock_sched_held+0x14f/0x180
[  302.021107] 0 pages HighMem/MovableOnly
[  302.026114]  __do_softirq+0x308/0xb7e
[  302.029114] 342854 pages reserved
[  302.033158]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  302.036239] 0 pages cma reserved
[  302.041243]  ? lock_downgrade+0x900/0x900
[  302.045248] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  302.048981]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  302.052476] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  302.056986]  ? pvclock_read_flags+0x160/0x160
[  302.060410] ksoftirqd/0 cpuset=/ mems_allowed=0
[  302.064548]  ? lapic_next_event+0x5a/0x90
[  302.071027] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  302.076112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.086394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  302.086401] Call Trace:
[  302.090887]  ? kvm_clock_read+0x18/0x30
[  302.095538]  dump_stack+0x244/0x39d
[  302.099668]  ? kvm_sched_clock_read+0x9/0x20
[  302.106404]  ? dump_stack_print_info.cold.1+0x20/0x20
[  302.111919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.121262]  warn_alloc.cold.116+0xb7/0x1bd
[  302.123837]  ? check_preemption_disabled+0x48/0x280
[  302.127792]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.131404]  irq_exit+0x17f/0x1c0
[  302.135790]  ? lock_downgrade+0x900/0x900
[  302.140961]  smp_apic_timer_interrupt+0x1cb/0x760
[  302.146482]  ? trace_hardirqs_off+0xb8/0x310
[  302.150783]  ? smp_reschedule_interrupt+0x109/0x650
[  302.155784]  ? trace_hardirqs_off+0xb8/0x310
[  302.160611]  ? smp_call_function_single_interrupt+0x650/0x650
[  302.164047]  __alloc_pages_slowpath+0x26e8/0x2e10
[  302.168172]  ? interrupt_entry+0xb5/0xc0
[  302.173036]  ? warn_alloc+0x120/0x120
[  302.177401]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.182401]  ? print_usage_bug+0xc0/0xc0
[  302.187309]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.193171]  ? warn_alloc+0x120/0x120
[  302.197995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.202035]  ? warn_alloc+0x120/0x120
[  302.205818]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.210813]  ? print_usage_bug+0xc0/0xc0
[  302.214858]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.219858]  ? print_usage_bug+0xc0/0xc0
[  302.223638]  ? task_prio+0x50/0x50
[  302.228461]  ? __lock_acquire+0x62f/0x4c20
[  302.232241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.237239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.241294]  ? check_preemption_disabled+0x48/0x280
[  302.246295]  ? should_fail+0x22d/0xd01
[  302.250340]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.253861]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.258089]  apic_timer_interrupt+0xf/0x20
[  302.263609]  ? __lock_acquire+0x62f/0x4c20
[  302.269117]  </IRQ>
[  302.274126]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.278167] RIP: 0010:lock_is_held_type+0x18b/0x210
[  302.282989]  ? __lock_acquire+0x62f/0x4c20
[  302.288076] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  302.292294]  ? should_fail+0x22d/0xd01
[  302.296502] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  302.298723]  ? find_held_lock+0x36/0x1c0
[  302.303804] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  302.308811]  ? mark_held_locks+0x130/0x130
[  302.313020] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  302.331922]  ? mark_held_locks+0x130/0x130
[  302.335798] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  302.343486]  ? zap_class+0x640/0x640
[  302.347530] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  302.354790]  ? mark_held_locks+0xc7/0x130
[  302.359002] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  302.366259]  ? do_raw_spin_unlock+0xa7/0x330
[  302.370495]  rcu_read_lock_held+0xa9/0xc0
[  302.377734]  ? zap_class+0x640/0x640
[  302.381427]  css_next_child+0x2a2/0x620
[  302.388682]  ? print_usage_bug+0xc0/0xc0
[  302.392817]  ? cgroup_mount+0xd30/0xd30
[  302.400074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.404462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.408588]  ? check_preemption_disabled+0x48/0x280
[  302.408611]  ? __lock_is_held+0xb5/0x140
[  302.412303]  ? check_preemption_disabled+0x48/0x280
[  302.416257]  __alloc_pages_nodemask+0xa80/0xde0
[  302.420302]  ? __lock_is_held+0xb5/0x140
[  302.424249]  ? zap_class+0x640/0x640
[  302.429777]  css_next_descendant_pre+0xeb/0x190
[  302.435289]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  302.440288]  mem_cgroup_iter+0x42f/0x1160
[  302.444334]  ? find_held_lock+0x36/0x1c0
[  302.449327]  ? kasan_check_write+0x14/0x20
[  302.453984]  ? ____cache_alloc_node+0x1c7/0x1e0
[  302.458024]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  302.461721]  ? lock_downgrade+0x900/0x900
[  302.466368]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  302.471369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.475495]  ? shrink_slab+0xfa/0x8c0
[  302.479550]  cache_grow_begin+0xa5/0x8c0
[  302.483763]  ? shrink_active_list+0x1f00/0x1f00
[  302.488410]  ? do_raw_spin_unlock+0xa7/0x330
[  302.493154]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  302.497286]  fallback_alloc+0x204/0x2e0
[  302.502279]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.507801]  ____cache_alloc_node+0x1c7/0x1e0
[  302.511586]  ? cgroup_procs_write_finish+0xf0/0xf0
[  302.515622]  kmem_cache_alloc_node+0xe3/0x730
[  302.520274]  ? find_held_lock+0x36/0x1c0
[  302.524658]  ? ipv6_get_ifaddr+0x42e/0x620
[  302.530261]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.534226]  __alloc_skb+0x119/0x770
[  302.539303]  ? vmpressure+0x1a2/0x340
[  302.543777]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.548692]  shrink_node+0x516/0x16b0
[  302.553168]  ? netdev_alloc_frag+0x1f0/0x1f0
[  302.557212]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  302.561430]  ? lock_downgrade+0x900/0x900
[  302.566965]  ? shrink_node_memcg+0x18f0/0x18f0
[  302.570649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.574430]  ? kvm_clock_read+0x18/0x30
[  302.579698]  ? refcount_sub_and_test_checked+0x203/0x310
[  302.583478]  ? ktime_get+0x2c1/0x400
[  302.587870]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  302.593131]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  302.597267]  ? addrconf_rs_timer+0x690/0x690
[  302.601833]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  302.607359]  ndisc_alloc_skb+0x144/0x340
[  302.611306]  ? __cpuset_node_allowed+0x19b/0x660
[  302.616740]  ndisc_send_rs+0x331/0x6e0
[  302.620433]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  302.625866]  addrconf_rs_timer+0x314/0x690
[  302.630339]  ? delayacct_end+0x5a/0x100
[  302.634728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.640249]  do_try_to_free_pages+0x3e7/0x1290
[  302.644293]  call_timer_fn+0x272/0x920
[  302.649030]  ? zap_class+0x640/0x640
[  302.652898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.658601]  ? shrink_node+0x16b0/0x16b0
[  302.662807]  ? process_timeout+0x40/0x40
[  302.666765]  ? __lock_is_held+0xb5/0x140
[  302.670984]  ? __run_timers+0x7da/0xc70
[  302.675559]  try_to_free_pages+0x4d0/0xb90
[  302.679415]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.683112]  ? do_try_to_free_pages+0x1290/0x1290
[  302.687326]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.691378]  ? lock_acquire+0x1ed/0x520
[  302.695414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.699453]  ? set_page_refcounted+0x280/0x280
[  302.703409]  ? lockdep_hardirqs_on+0x296/0x5b0
[  302.707627]  ? lock_release+0xa00/0xa00
[  302.712101]  ? trace_hardirqs_on+0xbd/0x310
[  302.717405]  ? _raw_spin_unlock_irq+0x60/0x80
[  302.721884]  ? kasan_check_read+0x11/0x20
[  302.725839]  ? psi_memstall_enter+0x240/0x2b0
[  302.730058]  ? __run_timers+0x7da/0xc70
[  302.734624]  ? psi_memstall_tick+0x230/0x230
[  302.739189]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.743151]  __alloc_pages_slowpath+0xa14/0x2e10
[  302.747451]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.751949]  ? warn_alloc+0x120/0x120
[  302.756066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.760537]  ? mark_held_locks+0x130/0x130
[  302.764488]  __run_timers+0x7e5/0xc70
[  302.768884]  ? find_get_entry+0xaae/0x1120
[  302.773973]  ? timer_fixup_init+0x70/0x70
[  302.778713]  ? filemap_map_pages+0x1a20/0x1a20
[  302.782923]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.786705]  ? zap_class+0x640/0x640
[  302.790919]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.795141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.798919]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  302.803133]  ? check_preemption_disabled+0x48/0x280
[  302.807259]  ? trace_hardirqs_on+0xbd/0x310
[  302.811821]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.816289]  ? kasan_check_read+0x11/0x20
[  302.816307]  ? finish_task_switch+0x1f4/0x910
[  302.819997]  ? should_fail+0x22d/0xd01
[  302.824478]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.829994]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.834578]  ? compat_start_thread+0x80/0x80
[  302.839577]  ? zap_class+0x640/0x640
[  302.843897]  ? pvclock_read_flags+0x160/0x160
[  302.849418]  ? __lock_is_held+0xb5/0x140
[  302.853529]  ? __switch_to_asm+0x34/0x70
[  302.858021]  ? mark_held_locks+0x130/0x130
[  302.861886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.866982]  ? lock_release+0xa00/0xa00
[  302.872071]  ? check_preemption_disabled+0x48/0x280
[  302.876457]  ? perf_trace_sched_process_exec+0x860/0x860
[  302.880159]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  302.884627]  ? xa_load+0x2ba/0x460
[  302.888667]  ? rcu_pm_notify+0xc0/0xc0
[  302.892708]  ? lock_downgrade+0x900/0x900
[  302.896925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.902442]  ? __might_sleep+0x95/0x190
[  302.906397]  ? check_preemption_disabled+0x48/0x280
[  302.911394]  __alloc_pages_nodemask+0xa80/0xde0
[  302.916844]  run_timer_softirq+0x52/0xb0
[  302.922365]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  302.925883]  ? rcu_read_lock_sched_held+0x14f/0x180
[  302.929748]  ? __page_cache_alloc+0x191/0x5c0
[  302.933876]  __do_softirq+0x308/0xb7e
[  302.939407]  ? xa_load+0x2e1/0x460
[  302.943369]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  302.948365]  ? xa_clear_mark+0x40/0x40
[  302.953023]  ? smpboot_thread_fn+0x334/0xa00
[  302.957066]  ? zap_class+0x640/0x640
[  302.962066]  ? schedule+0x108/0x460
[  302.967066]  ? zap_class+0x640/0x640
[  302.971543]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  302.975323]  ? zap_class+0x640/0x640
[  302.978848]  ? trace_hardirqs_off+0xb8/0x310
[  302.983931]  ? __do_page_cache_readahead+0x663/0x810
[  302.987800]  ? smpboot_thread_fn+0x68b/0xa00
[  302.992190]  ? find_held_lock+0x36/0x1c0
[  302.995883]  ? trace_hardirqs_on+0x310/0x310
[  302.999491]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  303.003185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.007937]  alloc_pages_current+0x173/0x350
[  303.011632]  ? check_preemption_disabled+0x48/0x280
[  303.016025]  __page_cache_alloc+0x38c/0x5c0
[  303.021111]  ? takeover_tasklets+0xa90/0xa90
[  303.025497]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  303.029556]  run_ksoftirqd+0x5e/0x100
[  303.033941]  ? kasan_check_read+0x11/0x20
[  303.039457]  smpboot_thread_fn+0x68b/0xa00
[  303.044977]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.049370]  ? sort_range+0x30/0x30
[  303.054368]  ? generic_perform_write+0x6a0/0x6a0
[  303.058669]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  303.063058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.067966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.071748]  ? check_preemption_disabled+0x48/0x280
[  303.075880]  ? __kthread_parkme+0xfb/0x1a0
[  303.080102]  filemap_fault+0x1595/0x25f0
[  303.085353]  ? sort_range+0x30/0x30
[  303.088970]  ? __lock_page_or_retry+0xa00/0xa00
[  303.093697]  kthread+0x35a/0x440
[  303.098797]  ? mark_held_locks+0x130/0x130
[  303.104311]  ? kthread_stop+0x900/0x900
[  303.109831]  ? filemap_map_pages+0xd6b/0x1a20
[  303.114821]  ret_from_fork+0x3a/0x50
[  303.119039]  ? lock_downgrade+0x900/0x900
[  303.123145] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.126681]  ? check_preemption_disabled+0x48/0x280
[  303.126698]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  303.131387] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.134695]  ? kasan_check_read+0x11/0x20
[  303.138904] ksoftirqd/0 cpuset=/ mems_allowed=0
[  303.142865]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.147338] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  303.151032]  ? rcu_softirq_qs+0x20/0x20
[  303.155170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.161658]  ? filemap_map_pages+0xd92/0x1a20
[  303.166647] Call Trace:
[  303.171564]  ? print_usage_bug+0xc0/0xc0
[  303.181857]  dump_stack+0x244/0x39d
[  303.185998]  ? find_get_entries_tag+0x1400/0x1400
[  303.190653]  ? dump_stack_print_info.cold.1+0x20/0x20
[  303.195908]  ? __kasan_slab_free+0x102/0x150
[  303.202650]  warn_alloc.cold.116+0xb7/0x1bd
[  303.206598]  ? kasan_slab_free+0xe/0x10
[  303.215954]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.220430]  ? kmem_cache_free+0x83/0x290
[  303.223004]  ? lock_downgrade+0x900/0x900
[  303.227045]  ? __sigqueue_free.part.29+0x74/0x90
[  303.230660]  ? trace_hardirqs_off+0xb8/0x310
[  303.235491]  ? lock_acquire+0x1ed/0x520
[  303.240653]  ? trace_hardirqs_off+0xb8/0x310
[  303.245043]  ? ext4_filemap_fault+0x7a/0xad
[  303.249354]  __alloc_pages_slowpath+0x26e8/0x2e10
[  303.253308]  ? lock_release+0xa00/0xa00
[  303.258150]  ? warn_alloc+0x120/0x120
[  303.262261]  ? perf_trace_sched_process_exec+0x860/0x860
[  303.266387]  ? print_usage_bug+0xc0/0xc0
[  303.271125]  ? print_usage_bug+0xc0/0xc0
[  303.275517]  ? warn_alloc+0x120/0x120
[  303.279472]  ? print_usage_bug+0xc0/0xc0
[  303.283864]  ? warn_alloc+0x120/0x120
[  303.288176]  ? down_read+0x8d/0x120
[  303.293006]  ? print_usage_bug+0xc0/0xc0
[  303.296953]  ? ext4_filemap_fault+0x7a/0xad
[  303.300744]  ? print_usage_bug+0xc0/0xc0
[  303.306175]  ? __down_interruptible+0x700/0x700
[  303.310216]  ? __lock_acquire+0x62f/0x4c20
[  303.314264]  ext4_filemap_fault+0x82/0xad
[  303.318047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.322183]  __do_fault+0x100/0x6b0
[  303.325973]  ? should_fail+0x22d/0xd01
[  303.329577]  ? pmd_devmap_trans_unstable+0x220/0x220
[  303.333633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.337938]  ? mark_held_locks+0x130/0x130
[  303.341987]  ? __lock_acquire+0x62f/0x4c20
[  303.346648]  ? mark_held_locks+0x130/0x130
[  303.350872]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.354999]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  303.360605]  ? __lock_acquire+0x62f/0x4c20
[  303.364211]  ? rcu_pm_notify+0xc0/0xc0
[  303.368076]  ? should_fail+0x22d/0xd01
[  303.373176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.378258]  ? find_held_lock+0x36/0x1c0
[  303.382500]  __handle_mm_fault+0x3ea0/0x5be0
[  303.386727]  ? mark_held_locks+0x130/0x130
[  303.390943]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  303.396028]  ? mark_held_locks+0x130/0x130
[  303.401628]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.405845]  ? zap_class+0x640/0x640
[  303.409713]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  303.413578]  ? zap_class+0x640/0x640
[  303.419096]  ? trace_hardirqs_on+0xbd/0x310
[  303.423137]  ? print_usage_bug+0xc0/0xc0
[  303.427528]  ? kasan_check_read+0x11/0x20
[  303.431738]  ? do_raw_spin_unlock+0xa7/0x330
[  303.431753]  ? zap_class+0x640/0x640
[  303.436575]  ? __set_current_blocked+0xdf/0x120
[  303.440793]  ? print_usage_bug+0xc0/0xc0
[  303.445272]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.448974]  ? wq_watchdog_touch+0x9c/0xfe
[  303.453544]  ? zap_class+0x640/0x640
[  303.457233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.461533]  ? zap_class+0x640/0x640
[  303.465575]  ? check_preemption_disabled+0x48/0x280
[  303.469707]  ? find_held_lock+0x36/0x1c0
[  303.474113]  ? __lock_is_held+0xb5/0x140
[  303.477811]  ? handle_mm_fault+0x42a/0xc70
[  303.482461]  __alloc_pages_nodemask+0xa80/0xde0
[  303.486502]  ? lock_downgrade+0x900/0x900
[  303.491584]  ? zap_class+0x640/0x640
[  303.495802]  ? check_preemption_disabled+0x48/0x280
[  303.499500]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  303.505020]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  303.508720]  ? find_held_lock+0x36/0x1c0
[  303.513709]  ? kasan_check_read+0x11/0x20
[  303.517931]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.521975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.526194]  ? lock_downgrade+0x900/0x900
[  303.530845]  ? rcu_softirq_qs+0x20/0x20
[  303.534990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.538676]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.543676]  cache_grow_begin+0xa5/0x8c0
[  303.548674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.553584]  ? do_raw_spin_unlock+0xa7/0x330
[  303.557626]  ? check_preemption_disabled+0x48/0x280
[  303.561756]  fallback_alloc+0x204/0x2e0
[  303.566408]  handle_mm_fault+0x54f/0xc70
[  303.571664]  ____cache_alloc_node+0x1c7/0x1e0
[  303.575792]  ? __handle_mm_fault+0x5be0/0x5be0
[  303.579750]  kmem_cache_alloc_node+0xe3/0x730
[  303.585267]  ? find_vma+0x34/0x190
[  303.590348]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.594393]  __do_page_fault+0x5e8/0xe60
[  303.599917]  __alloc_skb+0x119/0x770
[  303.604300]  ? exit_to_usermode_loop+0x1f4/0x380
[  303.609295]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.613258]  do_page_fault+0xf2/0x7e0
[  303.617294]  ? netdev_alloc_frag+0x1f0/0x1f0
[  303.621770]  ? vmalloc_sync_all+0x30/0x30
[  303.626332]  ? lock_downgrade+0x900/0x900
[  303.630811]  ? error_entry+0x70/0xd0
[  303.634685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.638917]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.642969]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.646663]  ? trace_hardirqs_on_caller+0xc0/0x310
[  303.651398]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  303.656655]  ? syscall_return_slowpath+0x5e0/0x5e0
[  303.660433]  ? addrconf_rs_timer+0x690/0x690
[  303.664819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.668960]  ndisc_alloc_skb+0x144/0x340
[  303.673082]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.676793]  ndisc_send_rs+0x331/0x6e0
[  303.682325]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  303.687324]  addrconf_rs_timer+0x314/0x690
[  303.692755]  ? prepare_exit_to_usermode+0x291/0x3b0
[  303.697668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.703097]  ? page_fault+0x8/0x30
[  303.708012]  call_timer_fn+0x272/0x920
[  303.712399]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.717222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.721266]  ? page_fault+0x8/0x30
[  303.726263]  ? process_timeout+0x40/0x40
[  303.730130]  page_fault+0x1e/0x30
[  303.735568]  ? __run_timers+0x7da/0xc70
[  303.739777] RIP: 0033:0x45db60
[  303.744781]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.749007] Code: Bad RIP value.
[  303.752520]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.756381] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  303.761206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.765415] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  303.768946]  ? lockdep_hardirqs_on+0x296/0x5b0
[  303.772980] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  303.776420]  ? trace_hardirqs_on+0xbd/0x310
[  303.780369] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  303.783539]  ? kasan_check_read+0x11/0x20
[  303.783552]  ? __run_timers+0x7da/0xc70
[  303.788027] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  303.791379]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.795862] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  303.801744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.805979] rcu: rcu_preempt kthread starved for 10672 jiffies! g13285 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  303.813241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.817795] rcu: RCU grace-period kthread stack dump:
[  303.825055]  __run_timers+0x7e5/0xc70
[  303.829364] rcu_preempt     R  running task    22568    10      2 0x80000000
[  303.836631]  ? timer_fixup_init+0x70/0x70
[  303.840748] Call Trace:
[  303.844708]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.851961]  __schedule+0x8cf/0x21d0
[  303.857044]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.864306]  ? __sched_text_start+0x8/0x8
[  303.868516]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  303.878989]  ? add_timer_on+0xa20/0xa20
[  303.883219]  ? trace_hardirqs_on+0xbd/0x310
[  303.888386]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  303.892169]  ? kasan_check_read+0x11/0x20
[  303.899332]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  303.903469]  ? finish_task_switch+0x1f4/0x910
[  303.906033]  ? trace_hardirqs_on+0xbd/0x310
[  303.910521]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.914217]  ? kasan_check_read+0x11/0x20
[  303.918689]  ? compat_start_thread+0x80/0x80
[  303.922834]  ? prepare_to_swait_event+0x25a/0x800
[  303.927411]  ? pvclock_read_flags+0x160/0x160
[  303.931367]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.935665]  ? __switch_to_asm+0x34/0x70
[  303.940759]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  303.944892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.949977]  schedule+0xfe/0x460
[  303.954451]  ? check_preemption_disabled+0x48/0x280
[  303.958757]  ? __schedule+0x21d0/0x21d0
[  303.963845]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  303.967973]  ? prepare_to_swait_event+0x25a/0x800
[  303.972358]  ? rcu_pm_notify+0xc0/0xc0
[  303.977199]  ? __init_swait_queue_head+0x150/0x150
[  303.981670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.986756]  ? __lockdep_init_map+0x105/0x590
[  303.990797]  ? check_preemption_disabled+0x48/0x280
[  303.995882]  ? lockdep_init_map+0x9/0x10
[  304.001401]  run_timer_softirq+0x52/0xb0
[  304.004751]  schedule_timeout+0x140/0x260
[  304.009746]  ? rcu_read_lock_sched_held+0x14f/0x180
[  304.013702]  ? usleep_range+0x1a0/0x1a0
[  304.019218]  __do_softirq+0x308/0xb7e
[  304.024042]  ? __next_timer_interrupt+0x1a0/0x1a0
[  304.027925]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  304.032839]  rcu_gp_fqs_loop+0x762/0xa80
[  304.038348]  ? smpboot_thread_fn+0x334/0xa00
[  304.042827]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  304.047823]  ? schedule+0x108/0x460
[  304.051863]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.055912]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  304.060036]  ? perf_trace_sched_process_exec+0x860/0x860
[  304.065037]  ? trace_hardirqs_off+0xb8/0x310
[  304.068988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.072795]  ? smpboot_thread_fn+0x68b/0xa00
[  304.077743]  ? rcu_gp_init+0x90b/0x1260
[  304.082827]  ? trace_hardirqs_on+0x310/0x310
[  304.086873]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  304.091260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.095998]  ? rcu_accelerate_cbs+0x562/0xae0
[  304.099604]  ? check_preemption_disabled+0x48/0x280
[  304.104688]  ? zap_class+0x640/0x640
[  304.109425]  ? takeover_tasklets+0xa90/0xa90
[  304.114863]  ? zap_class+0x640/0x640
[  304.119249]  run_ksoftirqd+0x5e/0x100
[  304.124777]  ? __lock_is_held+0xb5/0x140
[  304.129161]  smpboot_thread_fn+0x68b/0xa00
[  304.133116]  ? __lock_is_held+0xb5/0x140
[  304.137506]  ? sort_range+0x30/0x30
[  304.142242]  ? zap_class+0x640/0x640
[  304.147764]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.152244]  ? rcu_accelerate_cbs+0x562/0xae0
[  304.157242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.160945]  ? find_held_lock+0x36/0x1c0
[  304.165332]  ? __kthread_parkme+0xfb/0x1a0
[  304.169031]  ? rcu_gp_kthread+0x8cf/0xc70
[  304.172810]  ? sort_range+0x30/0x30
[  304.176849]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.181063]  kthread+0x35a/0x440
[  304.185101]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.188708]  ? kthread_stop+0x900/0x900
[  304.192401]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  304.197481]  ret_from_fork+0x3a/0x50
[  304.201960]  ? trace_hardirqs_on+0xbd/0x310
[  304.207544] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  304.211516]  ? kasan_check_read+0x11/0x20
[  304.211533]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.215810] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  304.219878]  ? perf_trace_sched_process_exec+0x860/0x860
[  304.223506] ksoftirqd/0 cpuset=/ mems_allowed=0
[  304.227993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.231337] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  304.235821]  rcu_gp_kthread+0x341/0xc70
[  304.239767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.244340]  ? rcu_gp_init+0x1260/0x1260
[  304.248023] Call Trace:
[  304.252333]  ? mark_held_locks+0x130/0x130
[  304.258802]  dump_stack+0x244/0x39d
[  304.262930]  ? __schedule+0x168a/0x21d0
[  304.262946]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.268047]  ? dump_stack_print_info.cold.1+0x20/0x20
[  304.278336]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  304.283776]  warn_alloc.cold.116+0xb7/0x1bd
[  304.288421]  ? trace_hardirqs_on+0xbd/0x310
[  304.293938]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  304.300671]  ? kasan_check_read+0x11/0x20
[  304.304628]  ? lock_downgrade+0x900/0x900
[  304.313963]  ? __schedule+0x168a/0x21d0
[  304.318014]  ? trace_hardirqs_off+0xb8/0x310
[  304.320580]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.324800]  ? trace_hardirqs_off+0xb8/0x310
[  304.328407]  ? lock_pin_lock+0x350/0x350
[  304.332372]  __alloc_pages_slowpath+0x26e8/0x2e10
[  304.336848]  ? _raw_spin_unlock_irq+0x60/0x80
[  304.342047]  ? warn_alloc+0x120/0x120
[  304.346590]  ? __schedule+0x168a/0x21d0
[  304.350900]  ? print_usage_bug+0xc0/0xc0
[  304.355204]  ? __switch_to_asm+0x40/0x70
[  304.360141]  ? warn_alloc+0x120/0x120
[  304.364272]  ? __switch_to_asm+0x40/0x70
[  304.368401]  ? warn_alloc+0x120/0x120
[  304.372364]  ? show_schedstat+0x721/0xf30
[  304.376753]  ? print_usage_bug+0xc0/0xc0
[  304.381839]  ? __sched_text_start+0x8/0x8
[  304.386227]  ? print_usage_bug+0xc0/0xc0
[  304.390272]  ? find_held_lock+0x36/0x1c0
[  304.395091]  ? __lock_acquire+0x62f/0x4c20
[  304.399572]  ? __kthread_parkme+0xce/0x1a0
[  304.403349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.407305]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  304.411351]  ? should_fail+0x22d/0xd01
[  304.415411]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  304.419191]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.423232]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  304.427014]  ? __lock_acquire+0x62f/0x4c20
[  304.431141]  ? trace_hardirqs_on+0xbd/0x310
[  304.435182]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.439308]  ? kasan_check_read+0x11/0x20
[  304.443347]  ? __lock_acquire+0x62f/0x4c20
[  304.447391]  ? __kthread_parkme+0xce/0x1a0
[  304.451605]  ? should_fail+0x22d/0xd01
[  304.455819]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.461338]  ? find_held_lock+0x36/0x1c0
[  304.466429]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.470299]  ? mark_held_locks+0x130/0x130
[  304.475394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.480529]  ? mark_held_locks+0x130/0x130
[  304.485093]  ? __kthread_parkme+0xfb/0x1a0
[  304.489298]  ? zap_class+0x640/0x640
[  304.489317]  ? mark_held_locks+0xc7/0x130
[  304.493622]  ? rcu_gp_init+0x1260/0x1260
[  304.498702]  ? do_raw_spin_unlock+0xa7/0x330
[  304.502834]  kthread+0x35a/0x440
[  304.507047]  ? zap_class+0x640/0x640
[  304.511263]  ? kthread_stop+0x900/0x900
[  304.515130]  ? print_usage_bug+0xc0/0xc0
[  304.520214]  ret_from_fork+0x3a/0x50
[  304.524259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.529435] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  304.533561]  ? check_preemption_disabled+0x48/0x280
[  304.533588]  ? __lock_is_held+0xb5/0x140
[  304.539151] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  304.543336]  __alloc_pages_nodemask+0xa80/0xde0
[  304.547539] syz-fuzzer cpuset=/ mems_allowed=0
[  304.551239]  ? zap_class+0x640/0x640
[  304.626684]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  304.632172]  ? find_held_lock+0x36/0x1c0
[  304.636238]  ? ____cache_alloc_node+0x1c7/0x1e0
[  304.640918]  ? lock_downgrade+0x900/0x900
[  304.645072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.650607]  cache_grow_begin+0xa5/0x8c0
[  304.654667]  ? do_raw_spin_unlock+0xa7/0x330
[  304.659076]  fallback_alloc+0x204/0x2e0
[  304.663051]  ____cache_alloc_node+0x1c7/0x1e0
[  304.667548]  kmem_cache_alloc_node+0xe3/0x730
[  304.672040]  ? ipv6_get_ifaddr+0x42e/0x620
[  304.676279]  __alloc_skb+0x119/0x770
[  304.679989]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.685265]  ? netdev_alloc_frag+0x1f0/0x1f0
[  304.689694]  ? lock_downgrade+0x900/0x900
[  304.693855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.699392]  ? refcount_sub_and_test_checked+0x203/0x310
[  304.704852]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  304.710302]  ? addrconf_rs_timer+0x690/0x690
[  304.714718]  ndisc_alloc_skb+0x144/0x340
[  304.718780]  ndisc_send_rs+0x331/0x6e0
[  304.722688]  addrconf_rs_timer+0x314/0x690
[  304.726933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.731175]  call_timer_fn+0x272/0x920
[  304.735058]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.739288]  ? process_timeout+0x40/0x40
[  304.743351]  ? __run_timers+0x7da/0xc70
[  304.747325]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.751812]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.756309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.760539]  ? lockdep_hardirqs_on+0x296/0x5b0
[  304.765118]  ? trace_hardirqs_on+0xbd/0x310
[  304.769434]  ? kasan_check_read+0x11/0x20
[  304.773578]  ? __run_timers+0x7da/0xc70
[  304.777550]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.782653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.786895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.791132]  __run_timers+0x7e5/0xc70
[  304.794937]  ? timer_fixup_init+0x70/0x70
[  304.799341]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.803831]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.808331]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  304.812912]  ? trace_hardirqs_on+0xbd/0x310
[  304.817233]  ? kasan_check_read+0x11/0x20
[  304.821377]  ? finish_task_switch+0x1f4/0x910
[  304.825875]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.830983]  ? compat_start_thread+0x80/0x80
[  304.835407]  ? pvclock_read_flags+0x160/0x160
[  304.839904]  ? __switch_to_asm+0x34/0x70
[  304.843962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.849496]  ? check_preemption_disabled+0x48/0x280
[  304.854515]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  304.860049]  ? rcu_pm_notify+0xc0/0xc0
[  304.863935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.869475]  ? check_preemption_disabled+0x48/0x280
[  304.874505]  run_timer_softirq+0x52/0xb0
[  304.878565]  ? rcu_read_lock_sched_held+0x14f/0x180
[  304.883578]  __do_softirq+0x308/0xb7e
[  304.887390]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  304.892506]  ? smpboot_thread_fn+0x334/0xa00
[  304.896917]  ? schedule+0x108/0x460
[  304.900543]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  304.905308]  ? trace_hardirqs_off+0xb8/0x310
[  304.909710]  ? smpboot_thread_fn+0x68b/0xa00
[  304.914119]  ? trace_hardirqs_on+0x310/0x310
[  304.918524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.924059]  ? check_preemption_disabled+0x48/0x280
[  304.929071]  ? takeover_tasklets+0xa90/0xa90
[  304.933480]  run_ksoftirqd+0x5e/0x100
[  304.937275]  smpboot_thread_fn+0x68b/0xa00
[  304.941511]  ? sort_range+0x30/0x30
[  304.945134]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.950232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.955767]  ? __kthread_parkme+0xfb/0x1a0
[  304.960003]  ? sort_range+0x30/0x30
[  304.963623]  kthread+0x35a/0x440
[  304.966986]  ? kthread_stop+0x900/0x900
[  304.970956]  ret_from_fork+0x3a/0x50
[  304.974681] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  304.974686] warn_alloc_show_mem: 2 callbacks suppressed
[  304.974692] Mem-Info:
[  304.981606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.986967] active_anon:52607 inactive_anon:182 isolated_anon:0
[  304.986967]  active_file:12 inactive_file:11 isolated_file:0
[  304.986967]  unevictable:0 dirty:0 writeback:0 unstable:0
[  304.986967]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  304.986967]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  304.986967]  free:13782 free_pcp:358 free_cma:0
[  304.989338] Call Trace:
[  304.998713] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  305.031552]  <IRQ>
[  305.034117] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  305.061605]  dump_stack+0x244/0x39d
[  305.063728] lowmem_reserve[]: 0 2818 6321 6321
[  305.089845]  ? dump_stack_print_info.cold.1+0x20/0x20
[  305.093448] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  305.098045]  warn_alloc.cold.116+0xb7/0x1bd
[  305.103200] lowmem_reserve[]: 0 0 3503 3503
[  305.130859]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  305.130876]  ? lock_downgrade+0x900/0x900
[  305.135168] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  305.139486]  ? trace_hardirqs_off+0xb8/0x310
[  305.144296] lowmem_reserve[]: 0 0 0 0
[  305.148437]  ? trace_hardirqs_off+0xb8/0x310
[  305.177383] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  305.181791]  __alloc_pages_slowpath+0x26e8/0x2e10
[  305.185559] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  305.189992]  ? warn_alloc+0x120/0x120
[  305.203469] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  305.208303]  ? print_usage_bug+0xc0/0xc0
[  305.223450] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  305.227237]  ? warn_alloc+0x120/0x120
[  305.242129] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  305.246178]  ? warn_alloc+0x120/0x120
[  305.254986] 266 total pagecache pages
[  305.258777]  ? print_usage_bug+0xc0/0xc0
[  305.267331] 0 pages in swap cache
[  305.271117]  ? print_usage_bug+0xc0/0xc0
[  305.274906] Swap cache stats: add 0, delete 0, find 0/0
[  305.278952]  ? __lock_acquire+0x62f/0x4c20
[  305.282377] Free swap  = 0kB
[  305.286427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.291761] Total swap = 0kB
[  305.295986]  ? should_fail+0x22d/0xd01
[  305.298975] 1965979 pages RAM
[  305.304502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.307489] 0 pages HighMem/MovableOnly
[  305.307496] 342854 pages reserved
[  305.311371]  ? __lock_acquire+0x62f/0x4c20
[  305.314451] 0 pages cma reserved
[  305.319545]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.323548] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  305.326929]  ? __lock_acquire+0x62f/0x4c20
[  305.326944]  ? should_fail+0x22d/0xd01
[  305.331211] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  305.334504]  ? find_held_lock+0x36/0x1c0
[  305.339580] ksoftirqd/0 cpuset=/ mems_allowed=0
[  305.346078]  ? mark_held_locks+0x130/0x130
[  305.377371]  ? mark_held_locks+0x130/0x130
[  305.381603]  ? zap_class+0x640/0x640
[  305.385311]  ? zap_class+0x640/0x640
[  305.389025]  ? print_usage_bug+0xc0/0xc0
[  305.393078]  ? do_raw_spin_unlock+0xa7/0x330
[  305.397480]  ? zap_class+0x640/0x640
[  305.401188]  ? print_usage_bug+0xc0/0xc0
[  305.405242]  ? wq_watchdog_touch+0x9c/0xfe
[  305.409491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.415026]  ? check_preemption_disabled+0x48/0x280
[  305.420049]  ? __lock_is_held+0xb5/0x140
[  305.424113]  __alloc_pages_nodemask+0xa80/0xde0
[  305.428778]  ? zap_class+0x640/0x640
[  305.432502]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  305.437524]  ? find_held_lock+0x36/0x1c0
[  305.441594]  ? ____cache_alloc_node+0x1c7/0x1e0
[  305.446262]  ? lock_downgrade+0x900/0x900
[  305.450416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.455952]  cache_grow_begin+0xa5/0x8c0
[  305.460007]  ? do_raw_spin_unlock+0xa7/0x330
[  305.464441]  fallback_alloc+0x204/0x2e0
[  305.468419]  ____cache_alloc_node+0x1c7/0x1e0
[  305.472915]  kmem_cache_alloc_node+0xe3/0x730
[  305.477410]  ? ipv6_get_ifaddr+0x42e/0x620
[  305.481650]  __alloc_skb+0x119/0x770
[  305.485358]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.490634]  ? netdev_alloc_frag+0x1f0/0x1f0
[  305.495037]  ? lock_downgrade+0x900/0x900
[  305.499191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.504723]  ? refcount_sub_and_test_checked+0x203/0x310
[  305.510171]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  305.515619]  ? addrconf_rs_timer+0x690/0x690
[  305.520033]  ndisc_alloc_skb+0x144/0x340
[  305.524094]  ndisc_send_rs+0x331/0x6e0
[  305.527984]  addrconf_rs_timer+0x314/0x690
[  305.532217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.536456]  call_timer_fn+0x272/0x920
[  305.540343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.544576]  ? process_timeout+0x40/0x40
[  305.548642]  ? mark_held_locks+0xc7/0x130
[  305.552795]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.557284]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.561782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.566013]  ? lockdep_hardirqs_on+0x296/0x5b0
[  305.570594]  ? trace_hardirqs_on+0xbd/0x310
[  305.574909]  ? kasan_check_read+0x11/0x20
[  305.579054]  ? __run_timers+0x7da/0xc70
[  305.583024]  ? trace_hardirqs_off_caller+0x310/0x310
[  305.588124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.592362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.596606]  __run_timers+0x7e5/0xc70
[  305.600411]  ? timer_fixup_init+0x70/0x70
[  305.604556]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  305.609572]  ? zap_class+0x640/0x640
[  305.613287]  ? print_usage_bug+0xc0/0xc0
[  305.617354]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  305.622545]  ? find_held_lock+0x36/0x1c0
[  305.626610]  ? zap_class+0x640/0x640
[  305.630346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.636189]  ? check_preemption_disabled+0x48/0x280
[  305.641213]  ? __lock_is_held+0xb5/0x140
[  305.645270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.650810]  ? check_preemption_disabled+0x48/0x280
[  305.655842]  run_timer_softirq+0x52/0xb0
[  305.659902]  ? rcu_read_lock_sched_held+0x14f/0x180
[  305.664928]  __do_softirq+0x308/0xb7e
[  305.668984]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  305.673475]  ? lock_downgrade+0x900/0x900
[  305.677623]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  305.682729]  ? pvclock_read_flags+0x160/0x160
[  305.687222]  ? lapic_next_event+0x5a/0x90
[  305.691369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.696906]  ? kvm_clock_read+0x18/0x30
[  305.700888]  ? kvm_sched_clock_read+0x9/0x20
[  305.705304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.710841]  ? check_preemption_disabled+0x48/0x280
[  305.715861]  irq_exit+0x17f/0x1c0
[  305.719315]  smp_apic_timer_interrupt+0x1cb/0x760
[  305.724152]  ? smp_reschedule_interrupt+0x109/0x650
[  305.729166]  ? smp_call_function_single_interrupt+0x650/0x650
[  305.735045]  ? interrupt_entry+0xb5/0xc0
[  305.739102]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.744112]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.749125]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.753963]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.758975]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.763989]  ? task_prio+0x50/0x50
[  305.767527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.773061]  ? check_preemption_disabled+0x48/0x280
[  305.778076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.782922]  apic_timer_interrupt+0xf/0x20
[  305.787145]  </IRQ>
[  305.789385] RIP: 0010:lock_is_held_type+0x18b/0x210
[  305.794399] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  305.813774] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  305.821485] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  305.828756] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  305.836128] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  305.843394] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  305.850657] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  305.857962]  rcu_read_lock_held+0xa9/0xc0
[  305.862106]  css_next_child+0x2a2/0x620
[  305.866094]  ? cgroup_mount+0xd30/0xd30
[  305.870071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.875612]  ? check_preemption_disabled+0x48/0x280
[  305.880711]  ? __lock_is_held+0xb5/0x140
[  305.884787]  css_next_descendant_pre+0xeb/0x190
[  305.889459]  mem_cgroup_iter+0x42f/0x1160
[  305.893612]  ? kasan_check_write+0x14/0x20
[  305.897850]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  305.902602]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  305.907618]  ? shrink_slab+0xfa/0x8c0
[  305.911413]  ? shrink_active_list+0x1f00/0x1f00
[  305.916089]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  305.921711]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  305.926822]  ? cgroup_procs_write_finish+0xf0/0xf0
[  305.931765]  ? find_held_lock+0x36/0x1c0
[  305.935826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.941362]  ? vmpressure+0x1a2/0x340
[  305.945161]  shrink_node+0x516/0x16b0
[  305.948958]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  305.954252]  ? shrink_node_memcg+0x18f0/0x18f0
[  305.958839]  ? kvm_clock_read+0x18/0x30
[  305.962811]  ? ktime_get+0x2c1/0x400
[  305.966524]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  305.971017]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  305.976551]  ? __cpuset_node_allowed+0x19b/0x660
[  305.981308]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  305.987016]  ? delayacct_end+0x5a/0x100
[  305.990994]  do_try_to_free_pages+0x3e7/0x1290
[  305.995574]  ? zap_class+0x640/0x640
[  305.999303]  ? shrink_node+0x16b0/0x16b0
[  306.003365]  ? __lock_is_held+0xb5/0x140
[  306.007438]  try_to_free_pages+0x4d0/0xb90
[  306.011673]  ? do_try_to_free_pages+0x1290/0x1290
[  306.016536]  ? lock_acquire+0x1ed/0x520
[  306.020510]  ? set_page_refcounted+0x280/0x280
[  306.025093]  ? lock_release+0xa00/0xa00
[  306.029063]  ? _raw_spin_unlock_irq+0x60/0x80
[  306.033554]  ? psi_memstall_enter+0x240/0x2b0
[  306.038044]  ? psi_memstall_tick+0x230/0x230
[  306.042458]  __alloc_pages_slowpath+0xa14/0x2e10
[  306.047235]  ? warn_alloc+0x120/0x120
[  306.051041]  ? mark_held_locks+0x130/0x130
[  306.055279]  ? find_get_entry+0xaae/0x1120
[  306.059516]  ? filemap_map_pages+0x1a20/0x1a20
[  306.064099]  ? zap_class+0x640/0x640
[  306.067816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.073354]  ? check_preemption_disabled+0x48/0x280
[  306.078366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.083898]  ? should_fail+0x22d/0xd01
[  306.087790]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.092890]  ? zap_class+0x640/0x640
[  306.096623]  ? __lock_is_held+0xb5/0x140
[  306.100687]  ? mark_held_locks+0x130/0x130
[  306.104936]  ? lock_release+0xa00/0xa00
[  306.108909]  ? perf_trace_sched_process_exec+0x860/0x860
[  306.114369]  ? xa_load+0x2ba/0x460
[  306.117906]  ? lock_downgrade+0x900/0x900
[  306.122055]  ? __might_sleep+0x95/0x190
[  306.126027]  __alloc_pages_nodemask+0xa80/0xde0
[  306.130697]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  306.135717]  ? __page_cache_alloc+0x191/0x5c0
[  306.140227]  ? xa_load+0x2e1/0x460
[  306.143770]  ? xa_clear_mark+0x40/0x40
[  306.147655]  ? zap_class+0x640/0x640
[  306.151372]  ? zap_class+0x640/0x640
[  306.155079]  ? zap_class+0x640/0x640
[  306.158789]  ? __do_page_cache_readahead+0x663/0x810
[  306.163893]  ? find_held_lock+0x36/0x1c0
[  306.167954]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  306.173492]  alloc_pages_current+0x173/0x350
[  306.177901]  __page_cache_alloc+0x38c/0x5c0
[  306.182216]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  306.187144]  ? kasan_check_read+0x11/0x20
[  306.191289]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.196564]  ? generic_perform_write+0x6a0/0x6a0
[  306.201318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.206853]  ? check_preemption_disabled+0x48/0x280
[  306.211872]  filemap_fault+0x1595/0x25f0
[  306.215939]  ? __lock_page_or_retry+0xa00/0xa00
[  306.220610]  ? mark_held_locks+0x130/0x130
[  306.224848]  ? filemap_map_pages+0xd6b/0x1a20
[  306.229340]  ? lock_downgrade+0x900/0x900
[  306.233481]  ? check_preemption_disabled+0x48/0x280
[  306.238493]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  306.243415]  ? kasan_check_read+0x11/0x20
[  306.247558]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.252832]  ? rcu_softirq_qs+0x20/0x20
[  306.256814]  ? filemap_map_pages+0xd92/0x1a20
[  306.261312]  ? print_usage_bug+0xc0/0xc0
[  306.265376]  ? find_get_entries_tag+0x1400/0x1400
[  306.270217]  ? __kasan_slab_free+0x102/0x150
[  306.274624]  ? kasan_slab_free+0xe/0x10
[  306.278595]  ? kmem_cache_free+0x83/0x290
[  306.282745]  ? __sigqueue_free.part.29+0x74/0x90
[  306.287513]  ? lock_acquire+0x1ed/0x520
[  306.291481]  ? ext4_filemap_fault+0x7a/0xad
[  306.295806]  ? lock_release+0xa00/0xa00
[  306.299775]  ? perf_trace_sched_process_exec+0x860/0x860
[  306.305224]  ? print_usage_bug+0xc0/0xc0
[  306.309289]  ? print_usage_bug+0xc0/0xc0
[  306.313360]  ? down_read+0x8d/0x120
[  306.316983]  ? ext4_filemap_fault+0x7a/0xad
[  306.321416]  ? __down_interruptible+0x700/0x700
[  306.326089]  ext4_filemap_fault+0x82/0xad
[  306.330232]  __do_fault+0x100/0x6b0
[  306.333863]  ? pmd_devmap_trans_unstable+0x220/0x220
[  306.338964]  ? mark_held_locks+0x130/0x130
[  306.343196]  ? mark_held_locks+0x130/0x130
[  306.347442]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  306.352976]  ? rcu_pm_notify+0xc0/0xc0
[  306.356868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.362405]  __handle_mm_fault+0x3ea0/0x5be0
[  306.366819]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  306.371659]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.376154]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  306.380734]  ? trace_hardirqs_on+0xbd/0x310
[  306.385049]  ? kasan_check_read+0x11/0x20
[  306.389195]  ? __set_current_blocked+0xdf/0x120
[  306.393859]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.398970]  ? zap_class+0x640/0x640
[  306.402679]  ? zap_class+0x640/0x640
[  306.406422]  ? find_held_lock+0x36/0x1c0
[  306.410491]  ? handle_mm_fault+0x42a/0xc70
[  306.414726]  ? lock_downgrade+0x900/0x900
[  306.418873]  ? check_preemption_disabled+0x48/0x280
[  306.423892]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  306.428815]  ? kasan_check_read+0x11/0x20
[  306.432962]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.438238]  ? rcu_softirq_qs+0x20/0x20
[  306.442211]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.447315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.452861]  ? check_preemption_disabled+0x48/0x280
[  306.457879]  handle_mm_fault+0x54f/0xc70
[  306.461941]  ? __handle_mm_fault+0x5be0/0x5be0
[  306.466523]  ? find_vma+0x34/0x190
[  306.470068]  __do_page_fault+0x5e8/0xe60
[  306.474125]  ? exit_to_usermode_loop+0x1f4/0x380
[  306.478886]  do_page_fault+0xf2/0x7e0
[  306.482740]  ? vmalloc_sync_all+0x30/0x30
[  306.486889]  ? error_entry+0x70/0xd0
[  306.490599]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.495608]  ? trace_hardirqs_on_caller+0xc0/0x310
[  306.500533]  ? syscall_return_slowpath+0x5e0/0x5e0
[  306.505455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.510293]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.515308]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  306.520762]  ? prepare_exit_to_usermode+0x291/0x3b0
[  306.525775]  ? page_fault+0x8/0x30
[  306.529314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.534153]  ? page_fault+0x8/0x30
[  306.537696]  page_fault+0x1e/0x30
[  306.541141] RIP: 0033:0x45db60
[  306.544343] Code: Bad RIP value.
[  306.547704] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  306.553062] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  306.560326] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  306.567606] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  306.574868] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  306.582129] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  306.589414] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  306.589477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  306.596164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  306.596169] Call Trace:
[  306.596186]  dump_stack+0x244/0x39d
[  306.596205]  ? dump_stack_print_info.cold.1+0x20/0x20
[  306.602756] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  306.612034]  warn_alloc.cold.116+0xb7/0x1bd
[  306.614582] syz-fuzzer cpuset=/ mems_allowed=0
[  306.618200]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  306.647263]  ? lock_downgrade+0x900/0x900
[  306.651413]  ? trace_hardirqs_off+0xb8/0x310
[  306.655823]  ? trace_hardirqs_off+0xb8/0x310
[  306.660236]  __alloc_pages_slowpath+0x26e8/0x2e10
[  306.665101]  ? warn_alloc+0x120/0x120
[  306.668900]  ? print_usage_bug+0xc0/0xc0
[  306.672961]  ? warn_alloc+0x120/0x120
[  306.676762]  ? warn_alloc+0x120/0x120
[  306.680558]  ? print_usage_bug+0xc0/0xc0
[  306.684617]  ? print_usage_bug+0xc0/0xc0
[  306.688686]  ? __lock_acquire+0x62f/0x4c20
[  306.692940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.698471]  ? should_fail+0x22d/0xd01
[  306.702358]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.707456]  ? __lock_acquire+0x62f/0x4c20
[  306.711699]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.716884]  ? __lock_acquire+0x62f/0x4c20
[  306.721115]  ? should_fail+0x22d/0xd01
[  306.725010]  ? mark_held_locks+0x130/0x130
[  306.729244]  ? mark_held_locks+0x130/0x130
[  306.733475]  ? zap_class+0x640/0x640
[  306.737188]  ? zap_class+0x640/0x640
[  306.740903]  ? zap_class+0x640/0x640
[  306.744611]  ? print_usage_bug+0xc0/0xc0
[  306.748666]  ? mark_held_locks+0x130/0x130
[  306.752909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.758441]  ? check_preemption_disabled+0x48/0x280
[  306.763460]  ? __lock_is_held+0xb5/0x140
[  306.767522]  __alloc_pages_nodemask+0xa80/0xde0
[  306.772189]  ? zap_class+0x640/0x640
[  306.775903]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  306.780927]  ? find_held_lock+0x36/0x1c0
[  306.784991]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.789655]  ? lock_downgrade+0x900/0x900
[  306.793811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.799347]  cache_grow_begin+0xa5/0x8c0
[  306.803405]  ? do_raw_spin_unlock+0xa7/0x330
[  306.807815]  fallback_alloc+0x204/0x2e0
[  306.811791]  ____cache_alloc_node+0x1c7/0x1e0
[  306.816291]  kmem_cache_alloc_node+0xe3/0x730
[  306.820782]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.825021]  __alloc_skb+0x119/0x770
[  306.828728]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.834007]  ? netdev_alloc_frag+0x1f0/0x1f0
[  306.838408]  ? lock_downgrade+0x900/0x900
[  306.842560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.848089]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.853537]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.858987]  ? addrconf_rs_timer+0x690/0x690
[  306.863400]  ndisc_alloc_skb+0x144/0x340
[  306.867461]  ndisc_send_rs+0x331/0x6e0
[  306.871346]  addrconf_rs_timer+0x314/0x690
[  306.875580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.879821]  call_timer_fn+0x272/0x920
[  306.883708]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.887936]  ? process_timeout+0x40/0x40
[  306.891996]  ? __run_timers+0x7da/0xc70
[  306.895965]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.900454]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.904944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.909177]  ? lockdep_hardirqs_on+0x296/0x5b0
[  306.913761]  ? trace_hardirqs_on+0xbd/0x310
[  306.918079]  ? kasan_check_read+0x11/0x20
[  306.922220]  ? __run_timers+0x7da/0xc70
[  306.926189]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.931299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.935531]  __run_timers+0x7e5/0xc70
[  306.939339]  ? timer_fixup_init+0x70/0x70
[  306.943480]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.947968]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.952463]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  306.957042]  ? trace_hardirqs_on+0xbd/0x310
[  306.961359]  ? kasan_check_read+0x11/0x20
[  306.965506]  ? finish_task_switch+0x1f4/0x910
[  306.970000]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.975104]  ? compat_start_thread+0x80/0x80
[  306.979531]  ? pvclock_read_flags+0x160/0x160
[  306.984018]  ? __switch_to_asm+0x34/0x70
[  306.988078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.993612]  ? check_preemption_disabled+0x48/0x280
[  306.998637]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  307.004179]  ? rcu_pm_notify+0xc0/0xc0
[  307.008063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.013594]  ? check_preemption_disabled+0x48/0x280
[  307.018610]  run_timer_softirq+0x52/0xb0
[  307.022670]  ? rcu_read_lock_sched_held+0x14f/0x180
[  307.027693]  __do_softirq+0x308/0xb7e
[  307.031497]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  307.036599]  ? smpboot_thread_fn+0x334/0xa00
[  307.041006]  ? schedule+0x108/0x460
[  307.044632]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  307.049397]  ? trace_hardirqs_off+0xb8/0x310
[  307.053803]  ? smpboot_thread_fn+0x68b/0xa00
[  307.058211]  ? trace_hardirqs_on+0x310/0x310
[  307.062614]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.068154]  ? check_preemption_disabled+0x48/0x280
[  307.073170]  ? takeover_tasklets+0xa90/0xa90
[  307.077592]  run_ksoftirqd+0x5e/0x100
[  307.081386]  smpboot_thread_fn+0x68b/0xa00
[  307.085619]  ? sort_range+0x30/0x30
[  307.089247]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.094348]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.099879]  ? __kthread_parkme+0xfb/0x1a0
[  307.104113]  ? sort_range+0x30/0x30
[  307.107735]  kthread+0x35a/0x440
[  307.111112]  ? kthread_stop+0x900/0x900
[  307.115082]  ret_from_fork+0x3a/0x50
[  307.118813] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  307.118818] warn_alloc_show_mem: 1 callbacks suppressed
[  307.118824] Mem-Info:
[  307.125739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  307.131103] active_anon:52607 inactive_anon:182 isolated_anon:0
[  307.131103]  active_file:12 inactive_file:11 isolated_file:0
[  307.131103]  unevictable:0 dirty:0 writeback:0 unstable:0
[  307.131103]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  307.131103]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  307.131103]  free:13782 free_pcp:358 free_cma:0
[  307.133473] Call Trace:
[  307.142844] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  307.175772]  <IRQ>
[  307.178337] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  307.205825]  dump_stack+0x244/0x39d
[  307.207949] lowmem_reserve[]: 0 2818 6321 6321
[  307.234049]  ? dump_stack_print_info.cold.1+0x20/0x20
[  307.237653] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  307.242320]  warn_alloc.cold.116+0xb7/0x1bd
[  307.247477] lowmem_reserve[]: 0 0 3503 3503
[  307.275224]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  307.279530] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  307.283843]  ? lock_downgrade+0x900/0x900
[  307.288655] lowmem_reserve[]: 0 0 0 0
[  307.317630]  ? trace_hardirqs_off+0xb8/0x310
[  307.321745] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  307.325538]  ? trace_hardirqs_off+0xb8/0x310
[  307.329916] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  307.343432]  __alloc_pages_slowpath+0x26e8/0x2e10
[  307.347811] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  307.363259]  ? warn_alloc+0x120/0x120
[  307.368057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  307.382949]  ? print_usage_bug+0xc0/0xc0
[  307.386725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  307.395540]  ? warn_alloc+0x120/0x120
[  307.399572] 266 total pagecache pages
[  307.408132]  ? warn_alloc+0x120/0x120
[  307.411909] 0 pages in swap cache
[  307.415693]  ? print_usage_bug+0xc0/0xc0
[  307.419469] Swap cache stats: add 0, delete 0, find 0/0
[  307.422905]  ? kvm_clock_read+0x18/0x30
[  307.426939] Free swap  = 0kB
[  307.432289]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  307.436237] Total swap = 0kB
[  307.439244]  ? print_usage_bug+0xc0/0xc0
[  307.444245] 1965979 pages RAM
[  307.447253]  ? __lock_acquire+0x62f/0x4c20
[  307.451286] 0 pages HighMem/MovableOnly
[  307.454381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.458586] 342854 pages reserved
[  307.462563]  ? should_fail+0x22d/0xd01
[  307.468073] 0 pages cma reserved
[  307.471513]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.475447] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.478734]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.484070] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.490467]  ? __lock_acquire+0x62f/0x4c20
[  307.495543] ksoftirqd/0 cpuset=/ mems_allowed=0
[  307.505856]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.519804]  ? __lock_acquire+0x62f/0x4c20
[  307.524033]  ? should_fail+0x22d/0xd01
[  307.527916]  ? rcu_irq_exit+0x1a2/0x390
[  307.531898]  ? mark_held_locks+0x130/0x130
[  307.536132]  ? mark_held_locks+0x130/0x130
[  307.540376]  ? mark_held_locks+0xc7/0x130
[  307.544517]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  307.549530]  ? zap_class+0x640/0x640
[  307.553240]  ? print_usage_bug+0xc0/0xc0
[  307.557300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.562833]  ? check_preemption_disabled+0x48/0x280
[  307.567853]  ? __lock_is_held+0xb5/0x140
[  307.571917]  __alloc_pages_nodemask+0xa80/0xde0
[  307.576585]  ? zap_class+0x640/0x640
[  307.580305]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  307.585325]  ? find_held_lock+0x36/0x1c0
[  307.589393]  ? ____cache_alloc_node+0x1c7/0x1e0
[  307.594063]  ? lock_downgrade+0x900/0x900
[  307.598214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.603753]  cache_grow_begin+0xa5/0x8c0
[  307.607810]  ? do_raw_spin_unlock+0xa7/0x330
[  307.612223]  fallback_alloc+0x204/0x2e0
[  307.616202]  ____cache_alloc_node+0x1c7/0x1e0
[  307.620699]  kmem_cache_alloc_node+0xe3/0x730
[  307.625189]  ? ipv6_get_ifaddr+0x42e/0x620
[  307.629429]  __alloc_skb+0x119/0x770
[  307.633411]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.638694]  ? netdev_alloc_frag+0x1f0/0x1f0
[  307.643099]  ? lock_downgrade+0x900/0x900
[  307.647256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.652794]  ? refcount_sub_and_test_checked+0x203/0x310
[  307.658244]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  307.663690]  ? addrconf_rs_timer+0x690/0x690
[  307.668123]  ndisc_alloc_skb+0x144/0x340
[  307.672189]  ndisc_send_rs+0x331/0x6e0
[  307.676077]  addrconf_rs_timer+0x314/0x690
[  307.680312]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.684552]  call_timer_fn+0x272/0x920
[  307.688436]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.692666]  ? process_timeout+0x40/0x40
[  307.696730]  ? mark_held_locks+0xc7/0x130
[  307.700876]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.705365]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.709853]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.714084]  ? lockdep_hardirqs_on+0x296/0x5b0
[  307.718665]  ? trace_hardirqs_on+0xbd/0x310
[  307.722981]  ? kasan_check_read+0x11/0x20
[  307.727135]  ? __run_timers+0x7da/0xc70
[  307.731105]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.736209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.740445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.744690]  __run_timers+0x7e5/0xc70
[  307.748495]  ? timer_fixup_init+0x70/0x70
[  307.752643]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  307.757658]  ? zap_class+0x640/0x640
[  307.761372]  ? print_usage_bug+0xc0/0xc0
[  307.765430]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  307.770625]  ? find_held_lock+0x36/0x1c0
[  307.774692]  ? zap_class+0x640/0x640
[  307.778405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.783940]  ? check_preemption_disabled+0x48/0x280
[  307.788965]  ? __lock_is_held+0xb5/0x140
[  307.793028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.798564]  ? check_preemption_disabled+0x48/0x280
[  307.804195]  run_timer_softirq+0x52/0xb0
[  307.808258]  ? rcu_read_lock_sched_held+0x14f/0x180
[  307.813272]  __do_softirq+0x308/0xb7e
[  307.817074]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  307.821564]  ? lock_downgrade+0x900/0x900
[  307.825733]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  307.830838]  ? pvclock_read_flags+0x160/0x160
[  307.835332]  ? lapic_next_event+0x5a/0x90
[  307.839483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.845018]  ? kvm_clock_read+0x18/0x30
[  307.848989]  ? kvm_sched_clock_read+0x9/0x20
[  307.853410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.858949]  ? check_preemption_disabled+0x48/0x280
[  307.863969]  irq_exit+0x17f/0x1c0
[  307.867421]  smp_apic_timer_interrupt+0x1cb/0x760
[  307.872259]  ? smp_reschedule_interrupt+0x109/0x650
[  307.877271]  ? smp_call_function_single_interrupt+0x650/0x650
[  307.883165]  ? interrupt_entry+0xb5/0xc0
[  307.887224]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.892237]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.897249]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.902087]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.907106]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.912125]  ? task_prio+0x50/0x50
[  307.915667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.921203]  ? check_preemption_disabled+0x48/0x280
[  307.926221]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.931065]  apic_timer_interrupt+0xf/0x20
[  307.935293]  </IRQ>
[  307.937531] RIP: 0010:lock_is_held_type+0x18b/0x210
[  307.942547] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  307.961446] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  307.969150] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  307.976414] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  307.983679] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  307.990945] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  307.998207] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  308.005503]  rcu_read_lock_held+0xa9/0xc0
[  308.009649]  css_next_child+0x2a2/0x620
[  308.013634]  ? cgroup_mount+0xd30/0xd30
[  308.017609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.023142]  ? check_preemption_disabled+0x48/0x280
[  308.028171]  ? __lock_is_held+0xb5/0x140
[  308.032249]  css_next_descendant_pre+0xeb/0x190
[  308.036920]  mem_cgroup_iter+0x42f/0x1160
[  308.041066]  ? kasan_check_write+0x14/0x20
[  308.045305]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  308.050069]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  308.055088]  ? shrink_slab+0xfa/0x8c0
[  308.058888]  ? shrink_active_list+0x1f00/0x1f00
[  308.063580]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  308.069208]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  308.074316]  ? cgroup_procs_write_finish+0xf0/0xf0
[  308.079247]  ? find_held_lock+0x36/0x1c0
[  308.083307]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.088842]  ? vmpressure+0x1a2/0x340
[  308.092647]  shrink_node+0x516/0x16b0
[  308.096446]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  308.101741]  ? shrink_node_memcg+0x18f0/0x18f0
[  308.106324]  ? kvm_clock_read+0x18/0x30
[  308.110297]  ? ktime_get+0x2c1/0x400
[  308.114039]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  308.118533]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  308.124071]  ? __cpuset_node_allowed+0x19b/0x660
[  308.128828]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  308.134537]  ? delayacct_end+0x5a/0x100
[  308.138521]  do_try_to_free_pages+0x3e7/0x1290
[  308.143110]  ? zap_class+0x640/0x640
[  308.146836]  ? shrink_node+0x16b0/0x16b0
[  308.150896]  ? __lock_is_held+0xb5/0x140
[  308.154964]  try_to_free_pages+0x4d0/0xb90
[  308.159201]  ? do_try_to_free_pages+0x1290/0x1290
[  308.164058]  ? lock_acquire+0x1ed/0x520
[  308.168036]  ? set_page_refcounted+0x280/0x280
[  308.172622]  ? lock_release+0xa00/0xa00
[  308.176593]  ? _raw_spin_unlock_irq+0x60/0x80
[  308.181101]  ? psi_memstall_enter+0x240/0x2b0
[  308.185593]  ? psi_memstall_tick+0x230/0x230
[  308.190009]  __alloc_pages_slowpath+0xa14/0x2e10
[  308.194803]  ? warn_alloc+0x120/0x120
[  308.198598]  ? mark_held_locks+0x130/0x130
[  308.202835]  ? find_get_entry+0xaae/0x1120
[  308.207073]  ? filemap_map_pages+0x1a20/0x1a20
[  308.211658]  ? zap_class+0x640/0x640
[  308.215374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.220913]  ? check_preemption_disabled+0x48/0x280
[  308.225934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.231467]  ? should_fail+0x22d/0xd01
[  308.235352]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.240452]  ? zap_class+0x640/0x640
[  308.244183]  ? __lock_is_held+0xb5/0x140
[  308.248256]  ? mark_held_locks+0x130/0x130
[  308.252489]  ? lock_release+0xa00/0xa00
[  308.256459]  ? perf_trace_sched_process_exec+0x860/0x860
[  308.261909]  ? xa_load+0x2ba/0x460
[  308.265445]  ? lock_downgrade+0x900/0x900
[  308.269594]  ? __might_sleep+0x95/0x190
[  308.273576]  __alloc_pages_nodemask+0xa80/0xde0
[  308.278245]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  308.283272]  ? __page_cache_alloc+0x191/0x5c0
[  308.287766]  ? xa_load+0x2e1/0x460
[  308.291302]  ? xa_clear_mark+0x40/0x40
[  308.295189]  ? zap_class+0x640/0x640
[  308.298907]  ? zap_class+0x640/0x640
[  308.302629]  ? zap_class+0x640/0x640
[  308.306377]  ? __do_page_cache_readahead+0x663/0x810
[  308.311479]  ? find_held_lock+0x36/0x1c0
[  308.315546]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  308.321088]  alloc_pages_current+0x173/0x350
[  308.325498]  __page_cache_alloc+0x38c/0x5c0
[  308.329813]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.334738]  ? kasan_check_read+0x11/0x20
[  308.338882]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.344156]  ? generic_perform_write+0x6a0/0x6a0
[  308.348910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.354447]  ? check_preemption_disabled+0x48/0x280
[  308.359468]  filemap_fault+0x1595/0x25f0
[  308.363543]  ? __lock_page_or_retry+0xa00/0xa00
[  308.368208]  ? mark_held_locks+0x130/0x130
[  308.372446]  ? filemap_map_pages+0xd6b/0x1a20
[  308.376938]  ? lock_downgrade+0x900/0x900
[  308.381097]  ? check_preemption_disabled+0x48/0x280
[  308.386112]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.391041]  ? kasan_check_read+0x11/0x20
[  308.395191]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.400565]  ? rcu_softirq_qs+0x20/0x20
[  308.404557]  ? filemap_map_pages+0xd92/0x1a20
[  308.409406]  ? print_usage_bug+0xc0/0xc0
[  308.413469]  ? find_get_entries_tag+0x1400/0x1400
[  308.418311]  ? __kasan_slab_free+0x102/0x150
[  308.422713]  ? kasan_slab_free+0xe/0x10
[  308.426682]  ? kmem_cache_free+0x83/0x290
[  308.430838]  ? __sigqueue_free.part.29+0x74/0x90
[  308.435609]  ? lock_acquire+0x1ed/0x520
[  308.439578]  ? ext4_filemap_fault+0x7a/0xad
[  308.443900]  ? lock_release+0xa00/0xa00
[  308.447869]  ? perf_trace_sched_process_exec+0x860/0x860
[  308.453313]  ? print_usage_bug+0xc0/0xc0
[  308.457371]  ? print_usage_bug+0xc0/0xc0
[  308.461439]  ? down_read+0x8d/0x120
[  308.465066]  ? ext4_filemap_fault+0x7a/0xad
[  308.469386]  ? __down_interruptible+0x700/0x700
[  308.474057]  ext4_filemap_fault+0x82/0xad
[  308.478206]  __do_fault+0x100/0x6b0
[  308.481845]  ? pmd_devmap_trans_unstable+0x220/0x220
[  308.486951]  ? mark_held_locks+0x130/0x130
[  308.491181]  ? mark_held_locks+0x130/0x130
[  308.495416]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  308.500953]  ? rcu_pm_notify+0xc0/0xc0
[  308.504847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.510384]  __handle_mm_fault+0x3ea0/0x5be0
[  308.514796]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  308.519631]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.524124]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  308.528706]  ? trace_hardirqs_on+0xbd/0x310
[  308.533020]  ? kasan_check_read+0x11/0x20
[  308.537166]  ? __set_current_blocked+0xdf/0x120
[  308.541831]  ? trace_hardirqs_off_caller+0x310/0x310
[  308.546942]  ? zap_class+0x640/0x640
[  308.550651]  ? zap_class+0x640/0x640
[  308.554380]  ? find_held_lock+0x36/0x1c0
[  308.558446]  ? handle_mm_fault+0x42a/0xc70
[  308.562680]  ? lock_downgrade+0x900/0x900
[  308.566824]  ? check_preemption_disabled+0x48/0x280
[  308.571836]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.576760]  ? kasan_check_read+0x11/0x20
[  308.580901]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.586172]  ? rcu_softirq_qs+0x20/0x20
[  308.590144]  ? trace_hardirqs_off_caller+0x310/0x310
[  308.595247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.600786]  ? check_preemption_disabled+0x48/0x280
[  308.605803]  handle_mm_fault+0x54f/0xc70
[  308.609868]  ? __handle_mm_fault+0x5be0/0x5be0
[  308.614454]  ? find_vma+0x34/0x190
[  308.617993]  __do_page_fault+0x5e8/0xe60
[  308.622056]  ? exit_to_usermode_loop+0x1f4/0x380
[  308.626816]  do_page_fault+0xf2/0x7e0
[  308.630616]  ? vmalloc_sync_all+0x30/0x30
[  308.634763]  ? error_entry+0x70/0xd0
[  308.638575]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.643591]  ? trace_hardirqs_on_caller+0xc0/0x310
[  308.648524]  ? syscall_return_slowpath+0x5e0/0x5e0
[  308.653450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.658293]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.663304]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  308.668757]  ? prepare_exit_to_usermode+0x291/0x3b0
[  308.673768]  ? page_fault+0x8/0x30
[  308.677305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.682147]  ? page_fault+0x8/0x30
[  308.685687]  page_fault+0x1e/0x30
[  308.689132] RIP: 0033:0x45db60
[  308.692337] Code: Bad RIP value.
[  308.695693] RSP: 002b:000000c420395ab8 EFLAGS: 00010246
[  308.701053] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  308.708315] RDX: 000000c420395ac0 RSI: 000000c420395bf0 RDI: 0000000000000011
[  308.715579] RBP: 000000c420155e90 R08: 0000000000000002 R09: 000000c426b78fa8
[  308.722857] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  308.730135] R13: 000000c420058180 R14: 0000000000000001 R15: 0000000000000000
[  308.737421] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1+ #81
[  308.737483] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  308.744170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.744175] Call Trace:
[  308.744192]  dump_stack+0x244/0x39d
[  308.744211]  ? dump_stack_print_info.cold.1+0x20/0x20
[  308.750728] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  308.760036]  warn_alloc.cold.116+0xb7/0x1bd
[  308.762593] syz-fuzzer cpuset=/ mems_allowed=0
[  308.766209]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.795381]  ? lock_downgrade+0x900/0x900
[  308.799544]  ? trace_hardirqs_off+0xb8/0x310
[  308.803954]  ? trace_hardirqs_off+0xb8/0x310
[  308.808368]  __alloc_pages_slowpath+0x26e8/0x2e10
[  308.813231]  ? warn_alloc+0x120/0x120
[  308.817029]  ? print_usage_bug+0xc0/0xc0
[  308.821091]  ? warn_alloc+0x120/0x120
[  308.824903]  ? warn_alloc+0x120/0x120
[  308.828709]  ? print_usage_bug+0xc0/0xc0
[  308.832771]  ? print_usage_bug+0xc0/0xc0
[  308.836829]  ? __lock_acquire+0x62f/0x4c20
[  308.841065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.846597]  ? should_fail+0x22d/0xd01
[  308.850482]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.855590]  ? __lock_acquire+0x62f/0x4c20
[  308.859825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.864924]  ? __lock_acquire+0x62f/0x4c20
[  308.869154]  ? should_fail+0x22d/0xd01
[  308.873036]  ? find_held_lock+0x36/0x1c0
[  308.877104]  ? mark_held_locks+0x130/0x130
[  308.881339]  ? mark_held_locks+0x130/0x130
[  308.885567]  ? zap_class+0x640/0x640
[  308.889283]  ? mark_held_locks+0xc7/0x130
[  308.893428]  ? do_raw_spin_unlock+0xa7/0x330
[  308.897836]  ? zap_class+0x640/0x640
[  308.901559]  ? print_usage_bug+0xc0/0xc0
[  308.905619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.911152]  ? check_preemption_disabled+0x48/0x280
[  308.916174]  ? __lock_is_held+0xb5/0x140
[  308.920235]  __alloc_pages_nodemask+0xa80/0xde0
[  308.924900]  ? zap_class+0x640/0x640
[  308.928613]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  308.933635]  ? find_held_lock+0x36/0x1c0
[  308.937700]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.942364]  ? lock_downgrade+0x900/0x900
[  308.946524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.952059]  cache_grow_begin+0xa5/0x8c0
[  308.956117]  ? do_raw_spin_unlock+0xa7/0x330
[  308.960538]  fallback_alloc+0x204/0x2e0
[  308.964530]  ____cache_alloc_node+0x1c7/0x1e0
[  308.969024]  kmem_cache_alloc_node+0xe3/0x730
[  308.973525]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.977765]  __alloc_skb+0x119/0x770
[  308.981474]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.986855]  ? netdev_alloc_frag+0x1f0/0x1f0
[  308.991258]  ? lock_downgrade+0x900/0x900
[  308.995407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.000944]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.006396]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.012188]  ? addrconf_rs_timer+0x690/0x690
[  309.016603]  ndisc_alloc_skb+0x144/0x340
[  309.020669]  ndisc_send_rs+0x331/0x6e0
[  309.024561]  addrconf_rs_timer+0x314/0x690
[  309.028795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.033037]  call_timer_fn+0x272/0x920
[  309.036925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.041156]  ? process_timeout+0x40/0x40
[  309.045221]  ? __run_timers+0x7da/0xc70
[  309.049191]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.053683]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.058171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.062401]  ? lockdep_hardirqs_on+0x296/0x5b0
[  309.066980]  ? trace_hardirqs_on+0xbd/0x310
[  309.071297]  ? kasan_check_read+0x11/0x20
[  309.075440]  ? __run_timers+0x7da/0xc70
[  309.079410]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.084519]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.088751]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.092983]  __run_timers+0x7e5/0xc70
[  309.096787]  ? timer_fixup_init+0x70/0x70
[  309.100928]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.105419]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.109913]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  309.114499]  ? trace_hardirqs_on+0xbd/0x310
[  309.118832]  ? kasan_check_read+0x11/0x20
[  309.122991]  ? finish_task_switch+0x1f4/0x910
[  309.127497]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.132606]  ? compat_start_thread+0x80/0x80
[  309.137031]  ? pvclock_read_flags+0x160/0x160
[  309.141526]  ? __switch_to_asm+0x34/0x70
[  309.145587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.151120]  ? check_preemption_disabled+0x48/0x280
[  309.156137]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  309.161670]  ? rcu_pm_notify+0xc0/0xc0
[  309.165555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.171088]  ? check_preemption_disabled+0x48/0x280
[  309.176113]  run_timer_softirq+0x52/0xb0
[  309.180169]  ? rcu_read_lock_sched_held+0x14f/0x180
[  309.185196]  __do_softirq+0x308/0xb7e
[  309.189005]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  309.194106]  ? smpboot_thread_fn+0x334/0xa00
[  309.198518]  ? schedule+0x108/0x460
[  309.202140]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  309.206902]  ? trace_hardirqs_off+0xb8/0x310
[  309.211308]  ? smpboot_thread_fn+0x68b/0xa00
[  309.215713]  ? trace_hardirqs_on+0x310/0x310
[  309.220117]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.225652]  ? check_preemption_disabled+0x48/0x280
[  309.230665]  ? takeover_tasklets+0xa90/0xa90
[  309.235074]  run_ksoftirqd+0x5e/0x100
[  309.238870]  smpboot_thread_fn+0x68b/0xa00
[  309.243103]  ? sort_range+0x30/0x30
[  309.246730]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  309.251930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.257482]  ? __kthread_parkme+0xfb/0x1a0
[  309.261720]  ? sort_range+0x30/0x30
[  309.265340]  kthread+0x35a/0x440
[  309.268704]  ? kthread_stop+0x900/0x900
[  309.272680]  ret_from_fork+0x3a/0x50
[  309.276400] warn_alloc_show_mem: 1 callbacks suppressed
[  309.276409] CPU: 1 PID: 5975 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #81
[  309.276411] Mem-Info:
[  309.276445] active_anon:52607 inactive_anon:182 isolated_anon:0
[  309.276445]  active_file:12 inactive_file:11 isolated_file:0
[  309.276445]  unevictable:0 dirty:0 writeback:0 unstable:0
[  309.276445]  slab_reclaimable:9133 slab_unreclaimable:1457587
[  309.276445]  mapped:32770 shmem:243 pagetables:586 bounce:0
[  309.276445]  free:13782 free_pcp:358 free_cma:0
[  309.281771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  309.281778] Call Trace:
[  309.288716] Node 0 active_anon:210428kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  309.291106]  <IRQ>
[  309.323961] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  309.333312]  dump_stack+0x244/0x39d
[  309.335865] lowmem_reserve[]: 0 2818 6321 6321
[  309.363361]  ? dump_stack_print_info.cold.1+0x20/0x20
[  309.365488] Node 0 DMA32 free:25204kB min:30052kB low:37564kB high:45076kB active_anon:16384kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  309.391590]  warn_alloc.cold.116+0xb7/0x1bd
[  309.395194] lowmem_reserve[]: 0 0 3503 3503
[  309.399773]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  309.404935] Node 0 Normal free:14016kB min:37364kB low:46704kB high:56044kB active_anon:194044kB inactive_anon:728kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6752kB pagetables:2344kB bounce:0kB free_pcp:1184kB local_pcp:160kB free_cma:0kB
[  309.432625]  ? lock_downgrade+0x900/0x900
[  309.436917] lowmem_reserve[]: 0 0 0 0
[  309.441232]  ? trace_hardirqs_off+0xb8/0x310
[  309.446046] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  309.475011]  ? trace_hardirqs_off+0xb8/0x310
[  309.479129] Node 0 DMA32: 3*4kB (M) 1*8kB (M) 4*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25204kB
[  309.482924]  __alloc_pages_slowpath+0x26e8/0x2e10
[  309.487296] Node 0 Normal: 916*4kB (MEH) 464*8kB (ME) 151*16kB (ME) 42*32kB (ME) 17*64kB (M) 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 14016kB
[  309.500840]  ? warn_alloc+0x120/0x120
[  309.505209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  309.520364]  ? print_usage_bug+0xc0/0xc0
[  309.525183] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  309.540075]  ? warn_alloc+0x120/0x120
[  309.543849] 266 total pagecache pages
[  309.552677]  ? warn_alloc+0x120/0x120
[  309.556718] 0 pages in swap cache
[  309.565276]  ? print_usage_bug+0xc0/0xc0
[  309.569055] Swap cache stats: add 0, delete 0, find 0/0
[  309.572839]  ? print_usage_bug+0xc0/0xc0
[  309.576610] Free swap  = 0kB
[  309.580050]  ? __lock_acquire+0x62f/0x4c20
[  309.584086] Total swap = 0kB
[  309.589445]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.593476] 1965979 pages RAM
[  309.596485]  ? should_fail+0x22d/0xd01
[  309.600692] 0 pages HighMem/MovableOnly
[  309.603699]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.609216] 342854 pages reserved
[  309.609223] 0 pages cma reserved
[  309.612317]  ? __lock_acquire+0x62f/0x4c20
[  309.616237] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.620154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.625305] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.628672]  ? __lock_acquire+0x62f/0x4c20
[  309.632466] ksoftirqd/0 cpuset=/ mems_allowed=0
[  309.636692]  ? should_fail+0x22d/0xd01
[  309.671271]  ? find_held_lock+0x36/0x1c0
[  309.675336]  ? mark_held_locks+0x130/0x130
[  309.679573]  ? mark_held_locks+0x130/0x130
[  309.683802]  ? zap_class+0x640/0x640
[  309.687510]  ? zap_class+0x640/0x640
[  309.691223]  ? print_usage_bug+0xc0/0xc0
[  309.695281]  ? do_raw_spin_unlock+0xa7/0x330
[  309.699685]  ? zap_class+0x640/0x640
[  309.703393]  ? print_usage_bug+0xc0/0xc0
[  309.707456]  ? wq_watchdog_touch+0x9c/0xfe
[  309.711713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.717248]  ? check_preemption_disabled+0x48/0x280
[  309.722269]  ? __lock_is_held+0xb5/0x140
[  309.726331]  __alloc_pages_nodemask+0xa80/0xde0
[  309.730994]  ? zap_class+0x640/0x640
[  309.734708]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  309.739742]  ? find_held_lock+0x36/0x1c0
[  309.743807]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.748477]  ? lock_downgrade+0x900/0x900
[  309.752626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.758169]  cache_grow_begin+0xa5/0x8c0
[  309.762223]  ? do_raw_spin_unlock+0xa7/0x330
[  309.766634]  fallback_alloc+0x204/0x2e0
[  309.770611]  ____cache_alloc_node+0x1c7/0x1e0
[  309.775112]  kmem_cache_alloc_node+0xe3/0x730
[  309.779606]  ? ipv6_get_ifaddr+0x42e/0x620
[  309.783850]  __alloc_skb+0x119/0x770
[  309.787559]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.792835]  ? netdev_alloc_frag+0x1f0/0x1f0
[  309.797239]  ? lock_downgrade+0x900/0x900
[  309.801899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.807440]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.812888]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.818333]  ? addrconf_rs_timer+0x690/0x690
[  309.822749]  ndisc_alloc_skb+0x144/0x340
[  309.826822]  ndisc_send_rs+0x331/0x6e0
[  309.830712]  addrconf_rs_timer+0x314/0x690
[  309.834952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.839190]  call_timer_fn+0x272/0x920
[  309.843071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.847302]  ? process_timeout+0x40/0x40
[  309.851371]  ? mark_held_locks+0xc7/0x130
[  309.855516]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.860016]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.864508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.868737]  ? lockdep_hardirqs_on+0x296/0x5b0
[  309.873315]  ? trace_hardirqs_on+0xbd/0x310
[  309.877631]  ? kasan_check_read+0x11/0x20
[  309.881773]  ? __run_timers+0x7da/0xc70
[  309.885744]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.890845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.895078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.899306]  __run_timers+0x7e5/0xc70
[  309.903124]  ? timer_fixup_init+0x70/0x70
[  309.907272]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.912283]  ? zap_class+0x640/0x640
[  309.915997]  ? print_usage_bug+0xc0/0xc0
[  309.920059]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  309.925253]  ? find_held_lock+0x36/0x1c0
[  309.929314]  ? zap_class+0x640/0x640
[  309.933038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.938575]  ? check_preemption_disabled+0x48/0x280
[  309.943607]  ? __lock_is_held+0xb5/0x140
[  309.947666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.953197]  ? check_preemption_disabled+0x48/0x280
[  309.958211]  run_timer_softirq+0x52/0xb0
[  309.962265]  ? rcu_read_lock_sched_held+0x14f/0x180
[  309.967276]  __do_softirq+0x308/0xb7e
[  309.971076]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  309.975572]  ? lock_downgrade+0x900/0x900
[  309.979716]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  309.984826]  ? pvclock_read_flags+0x160/0x160
[  309.989319]  ? lapic_next_event+0x5a/0x90
[  309.993467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.999008]  ? kvm_clock_read+0x18/0x30
[  310.002978]  ? kvm_sched_clock_read+0x9/0x20
[  310.007406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.012946]  ? check_preemption_disabled+0x48/0x280
[  310.017963]  irq_exit+0x17f/0x1c0
[  310.021417]  smp_apic_timer_interrupt+0x1cb/0x760
[  310.026255]  ? smp_reschedule_interrupt+0x109/0x650
[  310.031345]  ? smp_call_function_single_interrupt+0x650/0x650
[  310.037227]  ? interrupt_entry+0xb5/0xc0
[  310.041286]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.046299]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.051315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.056160]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.061170]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.066182]  ? task_prio+0x50/0x50
[  310.069720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.075257]  ? check_preemption_disabled+0x48/0x280
[  310.080364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.085214]  apic_timer_interrupt+0xf/0x20
[  310.089444]  </IRQ>
[  310.091688] RIP: 0010:lock_is_held_type+0x18b/0x210
[  310.096700] Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d bc 1f f1 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4
[  310.115945] RSP: 0000:ffff8801b4e0e030 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  310.123646] RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000
[  310.130910] RDX: 1ffffffff12a3f76 RSI: 0000000000000000 RDI: 0000000000000286
[  310.138175] RBP: ffff8801b4e0e050 R08: ffff8801c2114300 R09: ffffed003b5e5b67
[  310.145438] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801c2114300
[  310.152700] R13: 0000000000000001 R14: ffff8801b4e0e1c0 R15: 0000000000000000
[  310.159992]  rcu_read_lock_held+0xa9/0xc0
[  310.164137]  css_next_child+0x2a2/0x620
[  310.168111]  ? cgroup_mount+0xd30/0xd30
[  310.172085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.177634]  ? check_preemption_disabled+0x48/0x280
[  310.182654]  ? __lock_is_held+0xb5/0x140
[  310.186723]  css_next_descendant_pre+0xeb/0x190
[  310.191397]  mem_cgroup_iter+0x42f/0x1160
[  310.195543]  ? kasan_check_write+0x14/0x20
[  310.199784]  ? mem_cgroup_nr_lru_pages+0x80/0x80
[  310.204534]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  310.209550]  ? shrink_slab+0xfa/0x8c0
[  310.213445]  ? shrink_active_list+0x1f00/0x1f00
[  310.218118]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  310.223738]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.228842]  ? cgroup_procs_write_finish+0xf0/0xf0
[  310.233778]  ? find_held_lock+0x36/0x1c0
[  310.237838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.243371]  ? vmpressure+0x1a2/0x340
[  310.247177]  shrink_node+0x516/0x16b0
[  310.250975]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  310.256272]  ? shrink_node_memcg+0x18f0/0x18f0
[  310.260867]  ? kvm_clock_read+0x18/0x30
[  310.264842]  ? ktime_get+0x2c1/0x400
[  310.268556]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  310.273062]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  310.278595]  ? __cpuset_node_allowed+0x19b/0x660
[  310.283349]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  310.289065]  ? delayacct_end+0x5a/0x100
[  310.293046]  do_try_to_free_pages+0x3e7/0x1290
[  310.297623]  ? zap_class+0x640/0x640
[  310.301350]  ? shrink_node+0x16b0/0x16b0
[  310.305414]  ? __lock_is_held+0xb5/0x140
[  310.309489]  try_to_free_pages+0x4d0/0xb90
[  310.313726]  ? do_try_to_free_pages+0x1290/0x1290
[  310.318576]  ? lock_acquire+0x1ed/0x520
[  310.322561]  ? set_page_refcounted+0x280/0x280
[  310.327145]  ? lock_release+0xa00/0xa00
[  310.331116]  ? _raw_spin_unlock_irq+0x60/0x80
[  310.335611]  ? psi_memstall_enter+0x240/0x2b0
[  310.340101]  ? psi_memstall_tick+0x230/0x230
[  310.344513]  __alloc_pages_slowpath+0xa14/0x2e10
[  310.349291]  ? warn_alloc+0x120/0x120
[  310.353086]  ? mark_held_locks+0x130/0x130
[  310.357325]  ? find_get_entry+0xaae/0x1120
[  310.361564]  ? filemap_map_pages+0x1a20/0x1a20
[  310.366146]  ? zap_class+0x640/0x640
[  310.369862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.375396]  ? check_preemption_disabled+0x48/0x280
[  310.380407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.385940]  ? should_fail+0x22d/0xd01
[  310.389825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.394929]  ? zap_class+0x640/0x640
[  310.398658]  ? __lock_is_held+0xb5/0x140
[  310.402722]  ? mark_held_locks+0x130/0x130
[  310.406958]  ? lock_release+0xa00/0xa00
[  310.410934]  ? perf_trace_sched_process_exec+0x860/0x860
[  310.416385]  ? xa_load+0x2ba/0x460
[  310.419925]  ? lock_downgrade+0x900/0x900
[  310.424072]  ? __might_sleep+0x95/0x190
[  310.428048]  __alloc_pages_nodemask+0xa80/0xde0
[  310.432717]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  310.437729]  ? __page_cache_alloc+0x191/0x5c0
[  310.442222]  ? xa_load+0x2e1/0x460
[  310.445759]  ? xa_clear_mark+0x40/0x40
[  310.449643]  ? zap_class+0x640/0x640
[  310.453368]  ? zap_class+0x640/0x640
[  310.457077]  ? zap_class+0x640/0x640
[  310.460785]  ? __do_page_cache_readahead+0x663/0x810
[  310.465894]  ? find_held_lock+0x36/0x1c0
[  310.469957]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  310.475495]  alloc_pages_current+0x173/0x350
[  310.479911]  __page_cache_alloc+0x38c/0x5c0
[  310.484227]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.489149]  ? kasan_check_read+0x11/0x20
[  310.493293]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.498653]  ? generic_perform_write+0x6a0/0x6a0
[  310.503408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.508942]  ? check_preemption_disabled+0x48/0x280
[  310.513960]  filemap_fault+0x1595/0x25f0
[  310.518028]  ? __lock_page_or_retry+0xa00/0xa00
[  310.522694]  ? mark_held_locks+0x130/0x130
[  310.526934]  ? filemap_map_pages+0xd6b/0x1a20
[  310.531428]  ? lock_downgrade+0x900/0x900
[  310.535572]  ? check_preemption_disabled+0x48/0x280
[  310.540585]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.545509]  ? kasan_check_read+0x11/0x20
[  310.549654]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.554929]  ? rcu_softirq_qs+0x20/0x20
[  310.558912]  ? filemap_map_pages+0xd92/0x1a20
[  310.563412]  ? print_usage_bug+0xc0/0xc0
[  310.567475]  ? find_get_entries_tag+0x1400/0x1400
[  310.572314]  ? __kasan_slab_free+0x102/0x150
[  310.576726]  ? kasan_slab_free+0xe/0x10
[  310.580695]  ? kmem_cache_free+0x83/0x290
[  310.584845]  ? __sigqueue_free.part.29+0x74/0x90
[  310.589611]  ? lock_acquire+0x1ed/0x520
[  310.593581]  ? ext4_filemap_fault+0x7a/0xad
[  310.597911]  ? lock_release+0xa00/0xa00
[  310.601883]  ? perf_trace_sched_process_exec+0x860/0x860
[  310.607329]  ? print_usage_bug+0xc0/0xc0
[  310.611395]  ? print_usage_bug+0xc0/0xc0
[  310.615462]  ? down_read+0x8d/0x120
[  310.619088]  ? ext4_filemap_fault+0x7a/0xad
[  310.623418]  ? __down_interruptible+0x700/0x700
[  310.628092]  ext4_filemap_fault+0x82/0xad
[  310.632237]  __do_fault+0x100/0x6b0
[  310.635867]  ? pmd_devmap_trans_unstable+0x220/0x220
[  310.640973]  ? mark_held_locks+0x130/0x130