e+0x26d0/0x26d0
[  349.385723]  ? task_numa_migrate+0x28d0/0x28d0
[  349.390305]  ? __save_stack_trace+0x7d/0xf0
[  349.394642]  receive_buf+0xb3c/0x3270
[  349.398456]  ? __sanitizer_cov_trace_cmp1+0x1/0x20
[  349.403408]  ? receive_mergeable+0x3a90/0x3a90
[  349.407992]  ? zap_class+0x640/0x640
[  349.411710]  ? zap_class+0x640/0x640
[  349.415426]  ? check_preemption_disabled+0x48/0x280
[  349.420448]  ? print_usage_bug+0xc0/0xc0
[  349.424527]  ? find_held_lock+0x36/0x1c0
[  349.428597]  ? zap_class+0x640/0x640
[  349.432325]  ? __update_load_avg_se+0x5eb/0xae0
[  349.436995]  ? __lock_acquire+0x62f/0x4c20
[  349.441229]  ? lock_downgrade+0x900/0x900
[  349.445388]  ? __update_load_avg_blocked_se+0x690/0x690
[  349.450760]  ? __update_load_avg_se+0xae0/0xae0
[  349.455430]  ? __lock_is_held+0xb5/0x140
[  349.459505]  ? update_load_avg+0x387/0x2470
[  349.463844]  ? __update_load_avg_se+0xae0/0xae0
[  349.468519]  ? attach_entity_load_avg+0x860/0x860
[  349.473369]  ? update_load_avg+0x387/0x2470
[  349.477698]  ? update_load_avg+0x387/0x2470
[  349.482033]  ? attach_entity_load_avg+0x860/0x860
[  349.486878]  ? attach_entity_load_avg+0x860/0x860
[  349.491726]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  349.496835]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  349.501941]  ? zap_class+0x640/0x640
[  349.505683]  ? mark_held_locks+0x130/0x130
[  349.509919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.515458]  ? vring_use_dma_api+0xa5/0xc0
[  349.519696]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  349.525233]  ? vring_unmap_one+0x5a/0x410
[  349.529392]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  349.534930]  ? detach_buf+0x34b/0x5d0
[  349.538746]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  349.544284]  ? virtqueue_get_buf_ctx+0x3d5/0x820
[  349.549051]  ? virtqueue_detach_unused_buf+0x220/0x220
[  349.554336]  ? print_usage_bug+0xc0/0xc0
[  349.558407]  virtnet_poll+0x421/0x105f
[  349.562310]  ? receive_buf+0x3270/0x3270
[  349.566383]  ? __lock_acquire+0x62f/0x4c20
[  349.570633]  ? net_rx_action+0x4b5/0x19b0
[  349.574781]  ? net_rx_action+0x4b5/0x19b0
[  349.578932]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.583530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.589071]  ? check_preemption_disabled+0x48/0x280
[  349.594089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.599641]  net_rx_action+0x7fa/0x19b0
[  349.603646]  ? napi_complete_done+0x7a0/0x7a0
[  349.608152]  ? rcu_note_context_switch+0x12ad/0x2150
[  349.613264]  ? zap_class+0x640/0x640
[  349.616995]  ? run_rebalance_domains+0x500/0x500
[  349.621752]  ? zap_class+0x640/0x640
[  349.625468]  ? zap_class+0x640/0x640
[  349.629187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.634734]  ? find_held_lock+0x36/0x1c0
[  349.638815]  ? finish_task_switch+0x1f4/0x910
[  349.643314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.648855]  ? __run_timers+0xa4a/0xc70
[  349.652837]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  349.657425]  ? trace_hardirqs_on+0xbd/0x310
[  349.661752]  ? kasan_check_read+0x11/0x20
[  349.665901]  ? finish_task_switch+0x1f4/0x910
[  349.670407]  ? timer_fixup_init+0x70/0x70
[  349.674552]  ? compat_start_thread+0x80/0x80
[  349.678967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.684513]  ? _raw_spin_unlock_irq+0x60/0x80
[  349.689012]  ? finish_task_switch+0x1f4/0x910
[  349.693509]  ? finish_task_switch+0x1b4/0x910
[  349.698003]  ? __switch_to_asm+0x34/0x70
[  349.702070]  ? preempt_notifier_register+0x200/0x200
[  349.707173]  ? __switch_to_asm+0x34/0x70
[  349.711237]  ? __switch_to_asm+0x34/0x70
[  349.715296]  ? __switch_to_asm+0x40/0x70
[  349.719359]  ? __switch_to_asm+0x34/0x70
[  349.723427]  ? __switch_to_asm+0x40/0x70
[  349.727488]  ? __switch_to_asm+0x34/0x70
[  349.731547]  ? __switch_to_asm+0x40/0x70
[  349.735607]  ? __switch_to_asm+0x34/0x70
[  349.739679]  ? __switch_to_asm+0x40/0x70
[  349.743753]  ? pvclock_read_flags+0x160/0x160
[  349.748255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.753799]  ? check_preemption_disabled+0x48/0x280
[  349.758829]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  349.764418]  ? rcu_pm_notify+0xc0/0xc0
[  349.768344]  __do_softirq+0x308/0xb7e
[  349.772188]  ? trace_hardirqs_on_caller+0xc0/0x310
[  349.777125]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  349.782235]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  349.787701]  ? schedule+0x108/0x460
[  349.791332]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  349.796104]  ? trace_hardirqs_off+0xb8/0x310
[  349.800516]  ? smpboot_thread_fn+0x68b/0xa00
[  349.804925]  ? trace_hardirqs_on+0x310/0x310
[  349.809344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.814907]  ? check_preemption_disabled+0x48/0x280
[  349.819942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.825485]  ? takeover_tasklets+0xa90/0xa90
[  349.829899]  run_ksoftirqd+0x5e/0x100
[  349.833704]  smpboot_thread_fn+0x68b/0xa00
[  349.837945]  ? sort_range+0x30/0x30
[  349.841574]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  349.846678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.852218]  ? __kthread_parkme+0xfb/0x1a0
[  349.856458]  ? sort_range+0x30/0x30
[  349.860090]  kthread+0x35a/0x440
[  349.863459]  ? kthread_stop+0x900/0x900
[  349.867436]  ret_from_fork+0x3a/0x50
[  349.871175] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  349.871180] warn_alloc_show_mem: 1 callbacks suppressed
[  349.871187] Mem-Info:
[  349.878203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  349.883591] active_anon:56065 inactive_anon:190 isolated_anon:0
[  349.883591]  active_file:11 inactive_file:12 isolated_file:0
[  349.883591]  unevictable:0 dirty:0 writeback:0 unstable:0
[  349.883591]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  349.883591]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  349.883591]  free:13773 free_pcp:518 free_cma:0
[  349.887269] Call Trace:
[  349.896666] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  349.929509]  <IRQ>
[  349.932079] 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
[  349.959589]  dump_stack+0x244/0x39d
[  349.961712] lowmem_reserve[]: 0 2818 6321 6321
[  349.987820]  ? dump_stack_print_info.cold.1+0x20/0x20
[  349.991435] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  349.996019]  warn_alloc.cold.116+0xb7/0x1bd
[  350.001176] lowmem_reserve[]: 0 0 3503 3503
[  350.028691]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.033009] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  350.037328]  ? lock_downgrade+0x900/0x900
[  350.042144] lowmem_reserve[]: 0 0 0 0
[  350.071121]  ? trace_hardirqs_off+0xb8/0x310
[  350.075241] 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
[  350.079041]  ? trace_hardirqs_off+0xb8/0x310
[  350.083426] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  350.096948]  __alloc_pages_slowpath+0x26e8/0x2e10
[  350.101328] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  350.116520]  ? warn_alloc+0x120/0x120
[  350.121323] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  350.136223]  ? print_usage_bug+0xc0/0xc0
[  350.140008] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  350.148829]  ? warn_alloc+0x120/0x120
[  350.152867] 266 total pagecache pages
[  350.161441]  ? warn_alloc+0x120/0x120
[  350.165222] 0 pages in swap cache
[  350.169030]  ? print_usage_bug+0xc0/0xc0
[  350.172809] Swap cache stats: add 0, delete 0, find 0/0
[  350.176252]  ? kvm_clock_read+0x18/0x30
[  350.180319] Free swap  = 0kB
[  350.185678]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  350.189632] Total swap = 0kB
[  350.192655]  ? print_usage_bug+0xc0/0xc0
[  350.197650] 1965979 pages RAM
[  350.200666]  ? __lock_acquire+0x62f/0x4c20
[  350.204707] 0 pages HighMem/MovableOnly
[  350.207808]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.212017] 342854 pages reserved
[  350.215983]  ? should_fail+0x22d/0xd01
[  350.221493] 0 pages cma reserved
[  350.224944]  ? __lock_acquire+0x62f/0x4c20
[  350.235959] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.236445]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.246913] syz-executor0 cpuset=syz0 mems_allowed=0
[  350.252014]  ? __lock_acquire+0x62f/0x4c20
[  350.261333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.266438]  ? __lock_acquire+0x62f/0x4c20
[  350.270677]  ? should_fail+0x22d/0xd01
[  350.274577]  ? mark_held_locks+0x130/0x130
[  350.278827]  ? mark_held_locks+0x130/0x130
[  350.283076]  ? zap_class+0x640/0x640
[  350.286796]  ? print_usage_bug+0xc0/0xc0
[  350.290861]  ? __lock_acquire+0x62f/0x4c20
[  350.295109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.300662]  ? check_preemption_disabled+0x48/0x280
[  350.305696]  ? __lock_is_held+0xb5/0x140
[  350.309768]  __alloc_pages_nodemask+0xa80/0xde0
[  350.314444]  ? zap_class+0x640/0x640
[  350.318167]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  350.323198]  ? find_held_lock+0x36/0x1c0
[  350.327276]  ? ____cache_alloc_node+0x1c7/0x1e0
[  350.331952]  ? lock_downgrade+0x900/0x900
[  350.336110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.341660]  cache_grow_begin+0xa5/0x8c0
[  350.345725]  ? do_raw_spin_unlock+0xa7/0x330
[  350.350143]  fallback_alloc+0x204/0x2e0
[  350.354125]  ____cache_alloc_node+0x1c7/0x1e0
[  350.358635]  kmem_cache_alloc_node+0xe3/0x730
[  350.363138]  ? ipv6_get_ifaddr+0x42e/0x620
[  350.367385]  __alloc_skb+0x119/0x770
[  350.371100]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.376385]  ? netdev_alloc_frag+0x1f0/0x1f0
[  350.380797]  ? lock_downgrade+0x900/0x900
[  350.384972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.390515]  ? refcount_sub_and_test_checked+0x203/0x310
[  350.395972]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  350.401422]  ? addrconf_rs_timer+0x690/0x690
[  350.405847]  ndisc_alloc_skb+0x144/0x340
[  350.409923]  ndisc_send_rs+0x331/0x6e0
[  350.413820]  addrconf_rs_timer+0x314/0x690
[  350.418088]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.422350]  call_timer_fn+0x272/0x920
[  350.426241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.430482]  ? process_timeout+0x40/0x40
[  350.434553]  ? mark_held_locks+0xc7/0x130
[  350.438704]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.443201]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.447700]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.451936]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.456523]  ? trace_hardirqs_on+0xbd/0x310
[  350.460847]  ? kasan_check_read+0x11/0x20
[  350.465002]  ? __run_timers+0x7da/0xc70
[  350.468988]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.474122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.478359]  __run_timers+0x7e5/0xc70
[  350.482171]  ? timer_fixup_init+0x70/0x70
[  350.486320]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  350.491341]  ? zap_class+0x640/0x640
[  350.495073]  ? print_usage_bug+0xc0/0xc0
[  350.499152]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  350.504378]  ? find_held_lock+0x36/0x1c0
[  350.508447]  ? zap_class+0x640/0x640
[  350.512173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.517717]  ? check_preemption_disabled+0x48/0x280
[  350.522753]  ? __lock_is_held+0xb5/0x140
[  350.526817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.532355]  ? check_preemption_disabled+0x48/0x280
[  350.537395]  run_timer_softirq+0x52/0xb0
[  350.541463]  ? rcu_read_lock_sched_held+0x14f/0x180
[  350.546480]  __do_softirq+0x308/0xb7e
[  350.550563]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  350.555064]  ? lock_downgrade+0x900/0x900
[  350.559219]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  350.564335]  ? pvclock_read_flags+0x160/0x160
[  350.568837]  ? lapic_next_event+0x5a/0x90
[  350.572989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.578534]  ? kvm_clock_read+0x18/0x30
[  350.582512]  ? kvm_sched_clock_read+0x9/0x20
[  350.586924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.592482]  ? check_preemption_disabled+0x48/0x280
[  350.597510]  irq_exit+0x17f/0x1c0
[  350.600969]  smp_apic_timer_interrupt+0x1cb/0x760
[  350.605812]  ? smp_reschedule_interrupt+0x109/0x650
[  350.610833]  ? smp_call_function_single_interrupt+0x650/0x650
[  350.616718]  ? interrupt_entry+0xb5/0xc0
[  350.620788]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.625807]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.630830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.635678]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.640724]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.645750]  ? task_prio+0x50/0x50
[  350.649296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.654841]  ? check_preemption_disabled+0x48/0x280
[  350.659868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.664727]  apic_timer_interrupt+0xf/0x20
[  350.668956]  </IRQ>
[  350.671197] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  350.676393] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  350.695430] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  350.703153] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  350.710421] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  350.717691] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  350.724960] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  350.732228] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  350.739529]  retint_kernel+0x1b/0x2d
[  350.743246] RIP: 0010:dump_stack+0x358/0x39d
[  350.747656] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  350.766553] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  350.774264] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  350.781533] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  350.788803] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  350.796092] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  350.803364] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  350.810666]  ? dump_stack+0x34f/0x39d
[  350.814484]  ? dump_stack_print_info.cold.1+0x20/0x20
[  350.819684]  ? mark_held_locks+0x130/0x130
[  350.823919]  ? mark_held_locks+0x130/0x130
[  350.828163]  dump_header+0x27b/0xf72
[  350.831897]  ? pagefault_out_of_memory+0x197/0x197
[  350.836844]  ? __lock_acquire+0x62f/0x4c20
[  350.841090]  ? percpu_ref_get_many+0x240/0x240
[  350.845680]  ? print_usage_bug+0xc0/0xc0
[  350.849749]  ? zap_class+0x640/0x640
[  350.853470]  ? print_usage_bug+0xc0/0xc0
[  350.857534]  ? print_usage_bug+0xc0/0xc0
[  350.861598]  ? zap_class+0x640/0x640
[  350.865323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.870869]  ? find_held_lock+0x36/0x1c0
[  350.874949]  ? mark_held_locks+0xc7/0x130
[  350.879099]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  350.884205]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  350.889310]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  350.893904]  ? trace_hardirqs_on+0xbd/0x310
[  350.898231]  ? kasan_check_read+0x11/0x20
[  350.902380]  ? ___ratelimit+0x3b4/0x672
[  350.906357]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.911462]  ? trace_hardirqs_on+0x310/0x310
[  350.915886]  ? lock_downgrade+0x900/0x900
[  350.920044]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  350.925154]  ? ___ratelimit+0x3b9/0x672
[  350.929136]  ? idr_get_free+0xf70/0xf70
[  350.933110]  ? find_held_lock+0x36/0x1c0
[  350.937181]  oom_kill_process.cold.27+0x10/0x903
[  350.941938]  ? zap_class+0x640/0x640
[  350.945656]  ? check_preemption_disabled+0x48/0x280
[  350.950678]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.955609]  ? kasan_check_read+0x11/0x20
[  350.959771]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.965051]  ? oom_evaluate_task+0x540/0x540
[  350.969465]  ? find_held_lock+0x36/0x1c0
[  350.973538]  ? out_of_memory+0x974/0x1430
[  350.977688]  ? lock_downgrade+0x900/0x900
[  350.981837]  ? check_preemption_disabled+0x48/0x280
[  350.986859]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.991794]  ? kasan_check_read+0x11/0x20
[  350.995942]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.001222]  ? rcu_softirq_qs+0x20/0x20
[  351.005207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.010748]  ? oom_evaluate_task+0x302/0x540
[  351.015167]  out_of_memory+0xa84/0x1430
[  351.019156]  ? oom_killer_disable+0x3a0/0x3a0
[  351.023655]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  351.028591]  ? __ww_mutex_check_waiters+0x160/0x160
[  351.033640]  __alloc_pages_slowpath+0x2354/0x2e10
[  351.038515]  ? warn_alloc+0x120/0x120
[  351.042319]  ? mark_held_locks+0x130/0x130
[  351.046562]  ? find_get_entry+0xaae/0x1120
[  351.050821]  ? filemap_map_pages+0x1a20/0x1a20
[  351.055440]  ? zap_class+0x640/0x640
[  351.059157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.064714]  ? check_preemption_disabled+0x48/0x280
[  351.069736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.075276]  ? should_fail+0x22d/0xd01
[  351.079294]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.084422]  ? zap_class+0x640/0x640
[  351.088168]  ? __lock_is_held+0xb5/0x140
[  351.092261]  ? mark_held_locks+0x130/0x130
[  351.096501]  ? lock_release+0xa00/0xa00
[  351.100481]  ? perf_trace_sched_process_exec+0x860/0x860
[  351.105936]  ? xa_load+0x2ba/0x460
[  351.109479]  ? lock_downgrade+0x900/0x900
[  351.113642]  ? __might_sleep+0x95/0x190
[  351.117632]  __alloc_pages_nodemask+0xa80/0xde0
[  351.122316]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  351.127337]  ? __page_cache_alloc+0x191/0x5c0
[  351.131860]  ? xa_load+0x2e1/0x460
[  351.135416]  ? xa_clear_mark+0x40/0x40
[  351.139307]  ? zap_class+0x640/0x640
[  351.143062]  ? zap_class+0x640/0x640
[  351.146792]  ? zap_class+0x640/0x640
[  351.150513]  ? __do_page_cache_readahead+0x663/0x810
[  351.155632]  ? find_held_lock+0x36/0x1c0
[  351.159701]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  351.165250]  alloc_pages_current+0x173/0x350
[  351.169668]  __page_cache_alloc+0x38c/0x5c0
[  351.173989]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  351.178920]  ? kasan_check_read+0x11/0x20
[  351.183067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.188350]  ? generic_perform_write+0x6a0/0x6a0
[  351.193124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.198671]  ? check_preemption_disabled+0x48/0x280
[  351.203701]  filemap_fault+0x1595/0x25f0
[  351.207777]  ? __lock_page_or_retry+0xa00/0xa00
[  351.212450]  ? mark_held_locks+0x130/0x130
[  351.216700]  ? filemap_map_pages+0xd6b/0x1a20
[  351.221201]  ? lock_downgrade+0x900/0x900
[  351.225352]  ? check_preemption_disabled+0x48/0x280
[  351.230373]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  351.235303]  ? kasan_check_read+0x11/0x20
[  351.239456]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.244736]  ? rcu_softirq_qs+0x20/0x20
[  351.248735]  ? filemap_map_pages+0xd92/0x1a20
[  351.253238]  ? __lock_acquire+0x62f/0x4c20
[  351.257483]  ? find_get_entries_tag+0x1400/0x1400
[  351.262352]  ? lock_acquire+0x1ed/0x520
[  351.266330]  ? ext4_filemap_fault+0x7a/0xad
[  351.270660]  ? lock_release+0xa00/0xa00
[  351.274645]  ? perf_trace_sched_process_exec+0x860/0x860
[  351.280098]  ? print_usage_bug+0xc0/0xc0
[  351.284168]  ? print_usage_bug+0xc0/0xc0
[  351.288248]  ? down_read+0x8d/0x120
[  351.291877]  ? ext4_filemap_fault+0x7a/0xad
[  351.296201]  ? __down_interruptible+0x700/0x700
[  351.300888]  ext4_filemap_fault+0x82/0xad
[  351.305043]  __do_fault+0x100/0x6b0
[  351.308679]  ? pmd_devmap_trans_unstable+0x220/0x220
[  351.313789]  ? mark_held_locks+0x130/0x130
[  351.318031]  ? mark_held_locks+0x130/0x130
[  351.322267]  ? __might_fault+0x12b/0x1e0
[  351.326333]  ? lock_downgrade+0x900/0x900
[  351.330490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.336055]  __handle_mm_fault+0x3ea0/0x5be0
[  351.340486]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  351.345339]  ? kasan_check_read+0x11/0x20
[  351.349490]  ? _copy_to_user+0xc8/0x110
[  351.353474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.359027]  ? zap_class+0x640/0x640
[  351.362742]  ? zap_class+0x640/0x640
[  351.366471]  ? find_held_lock+0x36/0x1c0
[  351.370551]  ? handle_mm_fault+0x42a/0xc70
[  351.374803]  ? lock_downgrade+0x900/0x900
[  351.378962]  ? check_preemption_disabled+0x48/0x280
[  351.383984]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  351.388914]  ? kasan_check_read+0x11/0x20
[  351.393062]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.398342]  ? rcu_softirq_qs+0x20/0x20
[  351.402321]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.407471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.413009]  ? check_preemption_disabled+0x48/0x280
[  351.418036]  handle_mm_fault+0x54f/0xc70
[  351.422105]  ? __handle_mm_fault+0x5be0/0x5be0
[  351.426694]  ? find_vma+0x34/0x190
[  351.430244]  __do_page_fault+0x5e8/0xe60
[  351.434306]  ? trace_hardirqs_off+0xb8/0x310
[  351.438729]  do_page_fault+0xf2/0x7e0
[  351.442536]  ? vmalloc_sync_all+0x30/0x30
[  351.446701]  ? error_entry+0x70/0xd0
[  351.450417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.455439]  ? trace_hardirqs_on_caller+0xc0/0x310
[  351.460410]  ? syscall_return_slowpath+0x5e0/0x5e0
[  351.465357]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.470204]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.475220]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  351.480706]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  351.485728]  ? prepare_exit_to_usermode+0x291/0x3b0
[  351.490747]  ? page_fault+0x8/0x30
[  351.494295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.499146]  ? page_fault+0x8/0x30
[  351.502711]  page_fault+0x1e/0x30
[  351.506165] RIP: 0033:0x4375fe
[  351.509371] Code: Bad RIP value.
[  351.512737] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  351.518099] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  351.525373] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  351.532648] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  351.539915] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  351.547182] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  351.554482] CPU: 1 PID: 13179 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141
[  351.554547] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  351.561849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.561858] Call Trace:
[  351.568433] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  351.577699]  dump_stack+0x244/0x39d
[  351.580258] syz-fuzzer cpuset=/ mems_allowed=0
[  351.590483]  ? dump_stack_print_info.cold.1+0x20/0x20
[  351.603855]  warn_alloc.cold.116+0xb7/0x1bd
[  351.608181]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  351.613036]  ? lock_downgrade+0x900/0x900
[  351.617202]  ? trace_hardirqs_off+0xb8/0x310
[  351.621629]  ? trace_hardirqs_off+0xb8/0x310
[  351.626057]  __alloc_pages_slowpath+0x26e8/0x2e10
[  351.630942]  ? warn_alloc+0x120/0x120
[  351.634749]  ? zap_class+0x640/0x640
[  351.638471]  ? warn_alloc+0x120/0x120
[  351.642282]  ? warn_alloc+0x120/0x120
[  351.646090]  ? print_usage_bug+0xc0/0xc0
[  351.650152]  ? find_held_lock+0x36/0x1c0
[  351.654220]  ? print_usage_bug+0xc0/0xc0
[  351.658295]  ? cpuacct_charge+0x265/0x440
[  351.662453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.667995]  ? should_fail+0x22d/0xd01
[  351.671884]  ? find_held_lock+0x36/0x1c0
[  351.675954]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.681064]  ? __lock_acquire+0x62f/0x4c20
[  351.685309]  ? should_fail+0x22d/0xd01
[  351.689216]  ? mark_held_locks+0x130/0x130
[  351.693459]  ? mark_held_locks+0x130/0x130
[  351.697714]  ? __lock_acquire+0x62f/0x4c20
[  351.701957]  ? zap_class+0x640/0x640
[  351.705675]  ? __lock_is_held+0xb5/0x140
[  351.709750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.715311]  ? check_preemption_disabled+0x48/0x280
[  351.720355]  ? __lock_is_held+0xb5/0x140
[  351.724430]  __alloc_pages_nodemask+0xa80/0xde0
[  351.729116]  ? zap_class+0x640/0x640
[  351.732856]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  351.737890]  ? find_held_lock+0x36/0x1c0
[  351.741972]  ? ____cache_alloc_node+0x1c7/0x1e0
[  351.746654]  ? lock_downgrade+0x900/0x900
[  351.750817]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  351.756366]  cache_grow_begin+0xa5/0x8c0
[  351.760470]  ? do_raw_spin_unlock+0xa7/0x330
[  351.764908]  fallback_alloc+0x204/0x2e0
[  351.768896]  ____cache_alloc_node+0x1c7/0x1e0
[  351.773405]  kmem_cache_alloc+0x1f8/0x730
[  351.777573]  skb_clone+0x1bb/0x500
[  351.781117]  ? finish_task_switch+0x1b4/0x910
[  351.785631]  ? skb_split+0x11e0/0x11e0
[  351.789528]  ? preempt_notifier_register+0x200/0x200
[  351.794642]  ? __switch_to_asm+0x34/0x70
[  351.798710]  ? __switch_to_asm+0x34/0x70
[  351.802785]  ? __switch_to_asm+0x40/0x70
[  351.806849]  ? __switch_to_asm+0x34/0x70
[  351.810911]  ? __switch_to_asm+0x40/0x70
[  351.814973]  ? __switch_to_asm+0x34/0x70
[  351.819034]  ? __switch_to_asm+0x40/0x70
[  351.823099]  ? __switch_to_asm+0x34/0x70
[  351.827172]  ? __switch_to_asm+0x34/0x70
[  351.831237]  ? __switch_to_asm+0x40/0x70
[  351.835298]  ? __switch_to_asm+0x34/0x70
[  351.839379]  bpf_clone_redirect+0xb9/0x490
[  351.843628]  ? __schedule+0x8d7/0x21d0
[  351.847530]  bpf_prog_bebbfe2050753572+0x2d9/0x1000
[  351.852558]  ? __sched_text_start+0x8/0x8
[  351.856715]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  351.861487]  ? find_held_lock+0x36/0x1c0
[  351.865566]  ? lock_acquire+0x1ed/0x520
[  351.869543]  ? bpf_test_run+0x3cb/0x780
[  351.873522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.879071]  ? check_preemption_disabled+0x48/0x280
[  351.884105]  ? kasan_check_read+0x11/0x20
[  351.888258]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.893538]  ? rcu_softirq_qs+0x20/0x20
[  351.897518]  ? preempt_schedule+0x4d/0x60
[  351.901675]  ? ___preempt_schedule+0x16/0x18
[  351.906100]  ? bpf_test_run+0x25d/0x780
[  351.910092]  ? netlink_diag_dump+0x2a0/0x2a0
[  351.914511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.920056]  ? bpf_test_init.isra.10+0x70/0x100
[  351.924738]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  351.929511]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  351.934372]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  351.939922]  ? fput+0x130/0x1a0
[  351.943214]  ? __bpf_prog_get+0x9b/0x290
[  351.947286]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  351.952135]  ? bpf_prog_test_run+0x130/0x1a0
[  351.956552]  ? __x64_sys_bpf+0x3d8/0x520
[  351.960623]  ? bpf_prog_get+0x20/0x20
[  351.964479]  ? do_syscall_64+0x1b9/0x820
[  351.968546]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  351.973940]  ? syscall_return_slowpath+0x5e0/0x5e0
[  351.978879]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.983901]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  351.988924]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  351.995592]  ? __switch_to_asm+0x40/0x70
[  351.999661]  ? __switch_to_asm+0x34/0x70
[  352.003735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.008590]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  352.013983] warn_alloc_show_mem: 1 callbacks suppressed
[  352.013995] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  352.013997] Mem-Info:
[  352.014033] active_anon:56065 inactive_anon:190 isolated_anon:0
[  352.014033]  active_file:11 inactive_file:12 isolated_file:0
[  352.014033]  unevictable:0 dirty:0 writeback:0 unstable:0
[  352.014033]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  352.014033]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  352.014033]  free:13773 free_pcp:518 free_cma:0
[  352.019369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  352.026399] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  352.028795] Call Trace:
[  352.061660] 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
[  352.071001]  <IRQ>
[  352.098482] lowmem_reserve[]: 0 2818 6321 6321
[  352.101065]  dump_stack+0x244/0x39d
[  352.127147] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  352.129297]  ? dump_stack_print_info.cold.1+0x20/0x20
[  352.133855] lowmem_reserve[]: 0 0 3503 3503
[  352.137491]  warn_alloc.cold.116+0xb7/0x1bd
[  352.164957] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  352.170146]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  352.174441] lowmem_reserve[]: 0 0 0 0
[  352.178767]  ? lock_downgrade+0x900/0x900
[  352.207733] 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
[  352.212576]  ? trace_hardirqs_off+0xb8/0x310
[  352.216346] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  352.220489]  ? trace_hardirqs_off+0xb8/0x310
[  352.233986] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  352.238398]  __alloc_pages_slowpath+0x26e8/0x2e10
[  352.253555] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  352.257976]  ? warn_alloc+0x120/0x120
[  352.272864] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  352.277703]  ? print_usage_bug+0xc0/0xc0
[  352.286516] 266 total pagecache pages
[  352.290312]  ? warn_alloc+0x120/0x120
[  352.298872] 0 pages in swap cache
[  352.302925]  ? warn_alloc+0x120/0x120
[  352.306726] Swap cache stats: add 0, delete 0, find 0/0
[  352.310518]  ? print_usage_bug+0xc0/0xc0
[  352.313946] Free swap  = 0kB
[  352.317739]  ? kvm_clock_read+0x18/0x30
[  352.323080] Total swap = 0kB
[  352.327137]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  352.330132] 1965979 pages RAM
[  352.334102]  ? print_usage_bug+0xc0/0xc0
[  352.337098] 0 pages HighMem/MovableOnly
[  352.342107]  ? __lock_acquire+0x62f/0x4c20
[  352.345188] 342854 pages reserved
[  352.349242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.353193] 0 pages cma reserved
[  352.357420]  ? should_fail+0x22d/0xd01
[  352.360965] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  352.366375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.369726] syz-executor0 cpuset=syz0 mems_allowed=0
[  352.373607]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.399512]  ? __lock_acquire+0x62f/0x4c20
[  352.403757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.408861]  ? __lock_acquire+0x62f/0x4c20
[  352.413101]  ? should_fail+0x22d/0xd01
[  352.416991]  ? rcu_irq_exit+0x1a2/0x390
[  352.420977]  ? mark_held_locks+0x130/0x130
[  352.425218]  ? mark_held_locks+0x130/0x130
[  352.429460]  ? mark_held_locks+0xc7/0x130
[  352.433609]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  352.438644]  ? zap_class+0x640/0x640
[  352.442364]  ? print_usage_bug+0xc0/0xc0
[  352.446434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.451977]  ? check_preemption_disabled+0x48/0x280
[  352.457017]  ? __lock_is_held+0xb5/0x140
[  352.461103]  __alloc_pages_nodemask+0xa80/0xde0
[  352.465773]  ? zap_class+0x640/0x640
[  352.469492]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  352.474521]  ? find_held_lock+0x36/0x1c0
[  352.478593]  ? ____cache_alloc_node+0x1c7/0x1e0
[  352.483274]  ? lock_downgrade+0x900/0x900
[  352.487432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.492980]  cache_grow_begin+0xa5/0x8c0
[  352.497043]  ? do_raw_spin_unlock+0xa7/0x330
[  352.501464]  fallback_alloc+0x204/0x2e0
[  352.505451]  ____cache_alloc_node+0x1c7/0x1e0
[  352.509957]  kmem_cache_alloc_node+0xe3/0x730
[  352.514462]  ? ipv6_get_ifaddr+0x42e/0x620
[  352.518733]  __alloc_skb+0x119/0x770
[  352.522460]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.527743]  ? netdev_alloc_frag+0x1f0/0x1f0
[  352.532156]  ? lock_downgrade+0x900/0x900
[  352.536315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.541856]  ? refcount_sub_and_test_checked+0x203/0x310
[  352.547322]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  352.552990]  ? addrconf_rs_timer+0x690/0x690
[  352.557416]  ndisc_alloc_skb+0x144/0x340
[  352.561484]  ndisc_send_rs+0x331/0x6e0
[  352.565379]  addrconf_rs_timer+0x314/0x690
[  352.569630]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.573887]  call_timer_fn+0x272/0x920
[  352.577781]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.582020]  ? process_timeout+0x40/0x40
[  352.586095]  ? mark_held_locks+0xc7/0x130
[  352.590246]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.594743]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.599241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.603477]  ? lockdep_hardirqs_on+0x296/0x5b0
[  352.608067]  ? trace_hardirqs_on+0xbd/0x310
[  352.612389]  ? kasan_check_read+0x11/0x20
[  352.616542]  ? __run_timers+0x7da/0xc70
[  352.620518]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.625633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.629883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.634119]  __run_timers+0x7e5/0xc70
[  352.637930]  ? timer_fixup_init+0x70/0x70
[  352.642084]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  352.647107]  ? zap_class+0x640/0x640
[  352.650828]  ? print_usage_bug+0xc0/0xc0
[  352.654899]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  352.660100]  ? find_held_lock+0x36/0x1c0
[  352.664169]  ? zap_class+0x640/0x640
[  352.667901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.673446]  ? check_preemption_disabled+0x48/0x280
[  352.678476]  ? __lock_is_held+0xb5/0x140
[  352.682679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.688222]  ? check_preemption_disabled+0x48/0x280
[  352.693249]  run_timer_softirq+0x52/0xb0
[  352.697321]  ? rcu_read_lock_sched_held+0x14f/0x180
[  352.702345]  __do_softirq+0x308/0xb7e
[  352.706151]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  352.710652]  ? lock_downgrade+0x900/0x900
[  352.714809]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  352.719925]  ? pvclock_read_flags+0x160/0x160
[  352.724424]  ? lapic_next_event+0x5a/0x90
[  352.728580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.734136]  ? kvm_clock_read+0x18/0x30
[  352.738113]  ? kvm_sched_clock_read+0x9/0x20
[  352.742525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.748065]  ? check_preemption_disabled+0x48/0x280
[  352.753096]  irq_exit+0x17f/0x1c0
[  352.756552]  smp_apic_timer_interrupt+0x1cb/0x760
[  352.761396]  ? smp_reschedule_interrupt+0x109/0x650
[  352.766418]  ? smp_call_function_single_interrupt+0x650/0x650
[  352.772306]  ? interrupt_entry+0xb5/0xc0
[  352.776374]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.781397]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.786422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.791272]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.796317]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.801338]  ? task_prio+0x50/0x50
[  352.804887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.810428]  ? check_preemption_disabled+0x48/0x280
[  352.815451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.820306]  apic_timer_interrupt+0xf/0x20
[  352.824536]  </IRQ>
[  352.826780] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  352.831973] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  352.850881] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  352.858588] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  352.865867] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  352.873139] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  352.880408] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  352.887678] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  352.894984]  retint_kernel+0x1b/0x2d
[  352.898713] RIP: 0010:dump_stack+0x358/0x39d
[  352.903125] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  352.922025] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  352.929734] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  352.937005] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  352.944274] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  352.951541] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  352.958810] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  352.966100]  ? dump_stack+0x34f/0x39d
[  352.969919]  ? dump_stack_print_info.cold.1+0x20/0x20
[  352.975120]  ? mark_held_locks+0x130/0x130
[  352.979355]  ? mark_held_locks+0x130/0x130
[  352.983599]  dump_header+0x27b/0xf72
[  352.987339]  ? pagefault_out_of_memory+0x197/0x197
[  352.992281]  ? __lock_acquire+0x62f/0x4c20
[  352.996520]  ? percpu_ref_get_many+0x240/0x240
[  353.001111]  ? print_usage_bug+0xc0/0xc0
[  353.005179]  ? zap_class+0x640/0x640
[  353.008903]  ? print_usage_bug+0xc0/0xc0
[  353.012964]  ? print_usage_bug+0xc0/0xc0
[  353.017031]  ? zap_class+0x640/0x640
[  353.020755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.026302]  ? find_held_lock+0x36/0x1c0
[  353.030377]  ? mark_held_locks+0xc7/0x130
[  353.034535]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  353.039651]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  353.044760]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  353.049351]  ? trace_hardirqs_on+0xbd/0x310
[  353.053677]  ? kasan_check_read+0x11/0x20
[  353.057829]  ? ___ratelimit+0x3b4/0x672
[  353.061810]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.066922]  ? trace_hardirqs_on+0x310/0x310
[  353.071362]  ? lock_downgrade+0x900/0x900
[  353.075517]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  353.080634]  ? ___ratelimit+0x3b9/0x672
[  353.084625]  ? idr_get_free+0xf70/0xf70
[  353.088604]  ? find_held_lock+0x36/0x1c0
[  353.092688]  oom_kill_process.cold.27+0x10/0x903
[  353.097447]  ? zap_class+0x640/0x640
[  353.101166]  ? check_preemption_disabled+0x48/0x280
[  353.106194]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.111124]  ? kasan_check_read+0x11/0x20
[  353.115271]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.120555]  ? oom_evaluate_task+0x540/0x540
[  353.124973]  ? find_held_lock+0x36/0x1c0
[  353.129064]  ? out_of_memory+0x974/0x1430
[  353.133225]  ? lock_downgrade+0x900/0x900
[  353.137376]  ? check_preemption_disabled+0x48/0x280
[  353.142402]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.147337]  ? kasan_check_read+0x11/0x20
[  353.151489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.156769]  ? rcu_softirq_qs+0x20/0x20
[  353.160751]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.166295]  ? oom_evaluate_task+0x302/0x540
[  353.170712]  out_of_memory+0xa84/0x1430
[  353.174701]  ? oom_killer_disable+0x3a0/0x3a0
[  353.179211]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  353.184151]  ? __ww_mutex_check_waiters+0x160/0x160
[  353.189183]  __alloc_pages_slowpath+0x2354/0x2e10
[  353.194063]  ? warn_alloc+0x120/0x120
[  353.197868]  ? mark_held_locks+0x130/0x130
[  353.202122]  ? find_get_entry+0xaae/0x1120
[  353.206373]  ? filemap_map_pages+0x1a20/0x1a20
[  353.210966]  ? zap_class+0x640/0x640
[  353.214713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.220254]  ? check_preemption_disabled+0x48/0x280
[  353.225278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.230816]  ? should_fail+0x22d/0xd01
[  353.234713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.239824]  ? zap_class+0x640/0x640
[  353.243570]  ? __lock_is_held+0xb5/0x140
[  353.247648]  ? mark_held_locks+0x130/0x130
[  353.251899]  ? lock_release+0xa00/0xa00
[  353.255882]  ? perf_trace_sched_process_exec+0x860/0x860
[  353.261335]  ? xa_load+0x2ba/0x460
[  353.264885]  ? lock_downgrade+0x900/0x900
[  353.269041]  ? __might_sleep+0x95/0x190
[  353.273025]  __alloc_pages_nodemask+0xa80/0xde0
[  353.277723]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  353.282742]  ? __page_cache_alloc+0x191/0x5c0
[  353.287237]  ? xa_load+0x2e1/0x460
[  353.290789]  ? xa_clear_mark+0x40/0x40
[  353.294685]  ? zap_class+0x640/0x640
[  353.298505]  ? zap_class+0x640/0x640
[  353.302222]  ? zap_class+0x640/0x640
[  353.305939]  ? __do_page_cache_readahead+0x663/0x810
[  353.311048]  ? find_held_lock+0x36/0x1c0
[  353.315116]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  353.320665]  alloc_pages_current+0x173/0x350
[  353.325084]  __page_cache_alloc+0x38c/0x5c0
[  353.329408]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.334340]  ? kasan_check_read+0x11/0x20
[  353.338488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.343771]  ? generic_perform_write+0x6a0/0x6a0
[  353.348532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.354076]  ? check_preemption_disabled+0x48/0x280
[  353.359107]  filemap_fault+0x1595/0x25f0
[  353.363187]  ? __lock_page_or_retry+0xa00/0xa00
[  353.367864]  ? mark_held_locks+0x130/0x130
[  353.372121]  ? filemap_map_pages+0xd6b/0x1a20
[  353.376626]  ? lock_downgrade+0x900/0x900
[  353.380779]  ? check_preemption_disabled+0x48/0x280
[  353.385801]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.390733]  ? kasan_check_read+0x11/0x20
[  353.394891]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.400174]  ? rcu_softirq_qs+0x20/0x20
[  353.404164]  ? filemap_map_pages+0xd92/0x1a20
[  353.408663]  ? __lock_acquire+0x62f/0x4c20
[  353.412915]  ? find_get_entries_tag+0x1400/0x1400
[  353.417806]  ? lock_acquire+0x1ed/0x520
[  353.421784]  ? ext4_filemap_fault+0x7a/0xad
[  353.426114]  ? lock_release+0xa00/0xa00
[  353.430089]  ? perf_trace_sched_process_exec+0x860/0x860
[  353.435544]  ? print_usage_bug+0xc0/0xc0
[  353.439610]  ? print_usage_bug+0xc0/0xc0
[  353.443698]  ? down_read+0x8d/0x120
[  353.447326]  ? ext4_filemap_fault+0x7a/0xad
[  353.451656]  ? __down_interruptible+0x700/0x700
[  353.456341]  ext4_filemap_fault+0x82/0xad
[  353.460494]  __do_fault+0x100/0x6b0
[  353.464129]  ? pmd_devmap_trans_unstable+0x220/0x220
[  353.469259]  ? mark_held_locks+0x130/0x130
[  353.473503]  ? mark_held_locks+0x130/0x130
[  353.477742]  ? __might_fault+0x12b/0x1e0
[  353.481808]  ? lock_downgrade+0x900/0x900
[  353.485967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.491513]  __handle_mm_fault+0x3ea0/0x5be0
[  353.495939]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  353.500793]  ? kasan_check_read+0x11/0x20
[  353.504945]  ? _copy_to_user+0xc8/0x110
[  353.508924]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.514487]  ? zap_class+0x640/0x640
[  353.518232]  ? zap_class+0x640/0x640
[  353.521965]  ? find_held_lock+0x36/0x1c0
[  353.526040]  ? handle_mm_fault+0x42a/0xc70
[  353.530278]  ? lock_downgrade+0x900/0x900
[  353.534430]  ? check_preemption_disabled+0x48/0x280
[  353.539453]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.544383]  ? kasan_check_read+0x11/0x20
[  353.548536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.553813]  ? rcu_softirq_qs+0x20/0x20
[  353.557789]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.562899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.568442]  ? check_preemption_disabled+0x48/0x280
[  353.573468]  handle_mm_fault+0x54f/0xc70
[  353.577535]  ? __handle_mm_fault+0x5be0/0x5be0
[  353.582129]  ? find_vma+0x34/0x190
[  353.585680]  __do_page_fault+0x5e8/0xe60
[  353.589744]  ? trace_hardirqs_off+0xb8/0x310
[  353.594167]  do_page_fault+0xf2/0x7e0
[  353.597987]  ? vmalloc_sync_all+0x30/0x30
[  353.602139]  ? error_entry+0x70/0xd0
[  353.605857]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.610885]  ? trace_hardirqs_on_caller+0xc0/0x310
[  353.615816]  ? syscall_return_slowpath+0x5e0/0x5e0
[  353.620745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.625590]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.630623]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  353.636076]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  353.641099]  ? prepare_exit_to_usermode+0x291/0x3b0
[  353.646119]  ? page_fault+0x8/0x30
[  353.649665]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.654519]  ? page_fault+0x8/0x30
[  353.658065]  page_fault+0x1e/0x30
[  353.661520] RIP: 0033:0x4375fe
[  353.664729] Code: Bad RIP value.
[  353.668095] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  353.673455] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  353.680727] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  353.687998] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  353.695268] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  353.702537] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  353.709836] CPU: 1 PID: 13179 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #141
[  353.709906] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  353.717204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.717210] Call Trace:
[  353.717233]  dump_stack+0x244/0x39d
[  353.717256]  ? dump_stack_print_info.cold.1+0x20/0x20
[  353.723839] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  353.733115]  warn_alloc.cold.116+0xb7/0x1bd
[  353.735673] syz-fuzzer cpuset=/ mems_allowed=0
[  353.739297]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.768396]  ? lock_downgrade+0x900/0x900
[  353.772560]  ? trace_hardirqs_off+0xb8/0x310
[  353.776982]  ? trace_hardirqs_off+0xb8/0x310
[  353.781407]  __alloc_pages_slowpath+0x26e8/0x2e10
[  353.786289]  ? warn_alloc+0x120/0x120
[  353.790115]  ? zap_class+0x640/0x640
[  353.793837]  ? warn_alloc+0x120/0x120
[  353.797653]  ? warn_alloc+0x120/0x120
[  353.801466]  ? print_usage_bug+0xc0/0xc0
[  353.805532]  ? find_held_lock+0x36/0x1c0
[  353.809600]  ? print_usage_bug+0xc0/0xc0
[  353.813680]  ? cpuacct_charge+0x265/0x440
[  353.817872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.823418]  ? should_fail+0x22d/0xd01
[  353.827308]  ? find_held_lock+0x36/0x1c0
[  353.831388]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.836502]  ? __lock_acquire+0x62f/0x4c20
[  353.840757]  ? should_fail+0x22d/0xd01
[  353.844667]  ? mark_held_locks+0x130/0x130
[  353.848909]  ? mark_held_locks+0x130/0x130
[  353.853151]  ? __lock_is_held+0xb5/0x140
[  353.857227]  ? zap_class+0x640/0x640
[  353.860947]  ? update_curr+0x344/0xbd0
[  353.864844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.870397]  ? check_preemption_disabled+0x48/0x280
[  353.875433]  ? __lock_is_held+0xb5/0x140
[  353.879507]  __alloc_pages_nodemask+0xa80/0xde0
[  353.884189]  ? zap_class+0x640/0x640
[  353.887914]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  353.892949]  ? find_held_lock+0x36/0x1c0
[  353.897025]  ? ____cache_alloc_node+0x1c7/0x1e0
[  353.901698]  ? lock_downgrade+0x900/0x900
[  353.905860]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  353.911414]  cache_grow_begin+0xa5/0x8c0
[  353.915478]  ? do_raw_spin_unlock+0xa7/0x330
[  353.919899]  fallback_alloc+0x204/0x2e0
[  353.923904]  ____cache_alloc_node+0x1c7/0x1e0
[  353.928421]  kmem_cache_alloc+0x1f8/0x730
[  353.932590]  skb_clone+0x1bb/0x500
[  353.936144]  ? skb_split+0x11e0/0x11e0
[  353.940041]  ? kasan_check_read+0x11/0x20
[  353.944193]  ? __schedule+0x168a/0x21d0
[  353.948176]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.953288]  ? lock_pin_lock+0x350/0x350
[  353.957364]  bpf_clone_redirect+0xb9/0x490
[  353.961609]  ? __schedule+0x168a/0x21d0
[  353.965607]  bpf_prog_bebbfe2050753572+0x2d9/0x1000
[  353.970650]  ? __sched_text_start+0x8/0x8
[  353.974804]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  353.979578]  ? find_held_lock+0x36/0x1c0
[  353.983661]  ? lock_acquire+0x1ed/0x520
[  353.987647]  ? bpf_test_run+0x3cb/0x780
[  353.991638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.997215]  ? check_preemption_disabled+0x48/0x280
[  354.002243]  ? kasan_check_read+0x11/0x20
[  354.006400]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.011684]  ? rcu_softirq_qs+0x20/0x20
[  354.015662]  ? preempt_schedule+0x4d/0x60
[  354.019817]  ? ___preempt_schedule+0x16/0x18
[  354.024238]  ? bpf_test_run+0x25d/0x780
[  354.028229]  ? netlink_diag_dump+0x2a0/0x2a0
[  354.032651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.038195]  ? bpf_test_init.isra.10+0x70/0x100
[  354.042878]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  354.047656]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  354.052508]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  354.058053]  ? fput+0x130/0x1a0
[  354.061339]  ? __bpf_prog_get+0x9b/0x290
[  354.065413]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  354.070258]  ? bpf_prog_test_run+0x130/0x1a0
[  354.074675]  ? __x64_sys_bpf+0x3d8/0x520
[  354.078744]  ? bpf_prog_get+0x20/0x20
[  354.082571]  ? do_syscall_64+0x1b9/0x820
[  354.086645]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  354.092017]  ? syscall_return_slowpath+0x5e0/0x5e0
[  354.096957]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.101982]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  354.107007]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  354.113677]  ? __switch_to_asm+0x40/0x70
[  354.117739]  ? __switch_to_asm+0x34/0x70
[  354.121810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.126667]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  354.132053] warn_alloc_show_mem: 1 callbacks suppressed
[  354.132066] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  354.132068] Mem-Info:
[  354.132104] active_anon:56065 inactive_anon:190 isolated_anon:0
[  354.132104]  active_file:11 inactive_file:12 isolated_file:0
[  354.132104]  unevictable:0 dirty:0 writeback:0 unstable:0
[  354.132104]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  354.132104]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  354.132104]  free:13773 free_pcp:518 free_cma:0
[  354.137459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  354.144483] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  354.146882] Call Trace:
[  354.179748] 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
[  354.189091]  <IRQ>
[  354.216574] lowmem_reserve[]: 0 2818 6321 6321
[  354.219157]  dump_stack+0x244/0x39d
[  354.245241] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  354.247410]  ? dump_stack_print_info.cold.1+0x20/0x20
[  354.251974] lowmem_reserve[]: 0 0 3503 3503
[  354.255781]  warn_alloc.cold.116+0xb7/0x1bd
[  354.283250] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  354.288437]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  354.292733] lowmem_reserve[]: 0 0 0 0
[  354.297055]  ? lock_downgrade+0x900/0x900
[  354.326003] 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
[  354.330850]  ? trace_hardirqs_off+0xb8/0x310
[  354.334627] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  354.338771]  ? trace_hardirqs_off+0xb8/0x310
[  354.352269] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  354.356677]  __alloc_pages_slowpath+0x26e8/0x2e10
[  354.371829] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  354.376249]  ? warn_alloc+0x120/0x120
[  354.391121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  354.395953]  ? print_usage_bug+0xc0/0xc0
[  354.404769] 266 total pagecache pages
[  354.408562]  ? warn_alloc+0x120/0x120
[  354.417118] 0 pages in swap cache
[  354.421168]  ? warn_alloc+0x120/0x120
[  354.424951] Swap cache stats: add 0, delete 0, find 0/0
[  354.428741]  ? print_usage_bug+0xc0/0xc0
[  354.432171] Free swap  = 0kB
[  354.435965]  ? kvm_clock_read+0x18/0x30
[  354.441309] Total swap = 0kB
[  354.445366]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  354.448369] 1965979 pages RAM
[  354.452342]  ? print_usage_bug+0xc0/0xc0
[  354.455357] 0 pages HighMem/MovableOnly
[  354.460369]  ? __lock_acquire+0x62f/0x4c20
[  354.463462] 342854 pages reserved
[  354.467518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.471465] 0 pages cma reserved
[  354.475694]  ? should_fail+0x22d/0xd01
[  354.479464] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  354.484657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.488003] ksoftirqd/1 cpuset=/ mems_allowed=0
[  354.491890]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.517189]  ? __lock_acquire+0x62f/0x4c20
[  354.521443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.526557]  ? __lock_acquire+0x62f/0x4c20
[  354.530792]  ? should_fail+0x22d/0xd01
[  354.534677]  ? rcu_irq_exit+0x1a2/0x390
[  354.538663]  ? mark_held_locks+0x130/0x130
[  354.542911]  ? mark_held_locks+0x130/0x130
[  354.547157]  ? mark_held_locks+0xc7/0x130
[  354.551504]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  354.556523]  ? zap_class+0x640/0x640
[  354.560238]  ? print_usage_bug+0xc0/0xc0
[  354.564310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.569853]  ? check_preemption_disabled+0x48/0x280
[  354.574895]  ? __lock_is_held+0xb5/0x140
[  354.578971]  __alloc_pages_nodemask+0xa80/0xde0
[  354.583654]  ? zap_class+0x640/0x640
[  354.587378]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  354.592410]  ? find_held_lock+0x36/0x1c0
[  354.596483]  ? ____cache_alloc_node+0x1c7/0x1e0
[  354.601162]  ? lock_downgrade+0x900/0x900
[  354.605325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.610869]  cache_grow_begin+0xa5/0x8c0
[  354.614940]  ? do_raw_spin_unlock+0xa7/0x330
[  354.619359]  fallback_alloc+0x204/0x2e0
[  354.623341]  ____cache_alloc_node+0x1c7/0x1e0
[  354.627845]  kmem_cache_alloc_node+0xe3/0x730
[  354.632347]  ? ipv6_get_ifaddr+0x42e/0x620
[  354.636595]  __alloc_skb+0x119/0x770
[  354.640321]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.645605]  ? netdev_alloc_frag+0x1f0/0x1f0
[  354.650031]  ? lock_downgrade+0x900/0x900
[  354.654189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.659733]  ? refcount_sub_and_test_checked+0x203/0x310
[  354.665189]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  354.670651]  ? addrconf_rs_timer+0x690/0x690
[  354.675078]  ndisc_alloc_skb+0x144/0x340
[  354.679148]  ndisc_send_rs+0x331/0x6e0
[  354.683213]  addrconf_rs_timer+0x314/0x690
[  354.687462]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.691726]  call_timer_fn+0x272/0x920
[  354.695626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.699865]  ? process_timeout+0x40/0x40
[  354.703945]  ? mark_held_locks+0xc7/0x130
[  354.708096]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.712591]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.717095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.721378]  ? lockdep_hardirqs_on+0x296/0x5b0
[  354.725967]  ? trace_hardirqs_on+0xbd/0x310
[  354.730299]  ? kasan_check_read+0x11/0x20
[  354.734447]  ? __run_timers+0x7da/0xc70
[  354.738429]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.743540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.747784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.752303]  __run_timers+0x7e5/0xc70
[  354.756119]  ? timer_fixup_init+0x70/0x70
[  354.760291]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  354.765314]  ? zap_class+0x640/0x640
[  354.769038]  ? print_usage_bug+0xc0/0xc0
[  354.773103]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  354.778304]  ? find_held_lock+0x36/0x1c0
[  354.782373]  ? zap_class+0x640/0x640
[  354.786098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.791653]  ? check_preemption_disabled+0x48/0x280
[  354.796682]  ? __lock_is_held+0xb5/0x140
[  354.800748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.806287]  ? check_preemption_disabled+0x48/0x280
[  354.811312]  run_timer_softirq+0x52/0xb0
[  354.815376]  ? rcu_read_lock_sched_held+0x14f/0x180
[  354.820397]  __do_softirq+0x308/0xb7e
[  354.824206]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  354.828703]  ? lock_downgrade+0x900/0x900
[  354.832881]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  354.837997]  ? pvclock_read_flags+0x160/0x160
[  354.842496]  ? lapic_next_event+0x5a/0x90
[  354.846659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.852208]  ? kvm_clock_read+0x18/0x30
[  354.856187]  ? kvm_sched_clock_read+0x9/0x20
[  354.860604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.866162]  ? check_preemption_disabled+0x48/0x280
[  354.871195]  irq_exit+0x17f/0x1c0
[  354.874657]  smp_apic_timer_interrupt+0x1cb/0x760
[  354.879503]  ? smp_reschedule_interrupt+0x109/0x650
[  354.884522]  ? smp_call_function_single_interrupt+0x650/0x650
[  354.890414]  ? interrupt_entry+0xb5/0xc0
[  354.894485]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.899506]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.904524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.909371]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.914386]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.919408]  ? task_prio+0x50/0x50
[  354.922954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.928497]  ? check_preemption_disabled+0x48/0x280
[  354.933520]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.938374]  apic_timer_interrupt+0xf/0x20
[  354.942694]  </IRQ>
[  354.944939] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  354.950148] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  354.969046] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  354.976755] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  354.984021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  354.991287] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  354.998558] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  355.005828] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  355.013132]  retint_kernel+0x1b/0x2d
[  355.016849] RIP: 0010:dump_stack+0x358/0x39d
[  355.021282] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  355.040181] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  355.047890] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  355.055157] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  355.062427] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  355.069697] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  355.076970] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  355.084256]  ? dump_stack+0x34f/0x39d
[  355.088074]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.093269]  ? mark_held_locks+0x130/0x130
[  355.097507]  ? mark_held_locks+0x130/0x130
[  355.101749]  dump_header+0x27b/0xf72
[  355.105480]  ? pagefault_out_of_memory+0x197/0x197
[  355.110421]  ? __lock_acquire+0x62f/0x4c20
[  355.114664]  ? percpu_ref_get_many+0x240/0x240
[  355.119251]  ? print_usage_bug+0xc0/0xc0
[  355.123324]  ? zap_class+0x640/0x640
[  355.127043]  ? print_usage_bug+0xc0/0xc0
[  355.131107]  ? print_usage_bug+0xc0/0xc0
[  355.135180]  ? zap_class+0x640/0x640
[  355.138910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.144457]  ? find_held_lock+0x36/0x1c0
[  355.148530]  ? mark_held_locks+0xc7/0x130
[  355.152682]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  355.157790]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  355.162902]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  355.167492]  ? trace_hardirqs_on+0xbd/0x310
[  355.171818]  ? kasan_check_read+0x11/0x20
[  355.175977]  ? ___ratelimit+0x3b4/0x672
[  355.179957]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.185066]  ? trace_hardirqs_on+0x310/0x310
[  355.189481]  ? lock_downgrade+0x900/0x900
[  355.193647]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  355.198771]  ? ___ratelimit+0x3b9/0x672
[  355.202752]  ? idr_get_free+0xf70/0xf70
[  355.206732]  ? find_held_lock+0x36/0x1c0
[  355.210806]  oom_kill_process.cold.27+0x10/0x903
[  355.215568]  ? zap_class+0x640/0x640
[  355.219384]  ? check_preemption_disabled+0x48/0x280
[  355.224409]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.229341]  ? kasan_check_read+0x11/0x20
[  355.233493]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.238775]  ? oom_evaluate_task+0x540/0x540
[  355.243192]  ? find_held_lock+0x36/0x1c0
[  355.247265]  ? out_of_memory+0x974/0x1430
[  355.251418]  ? lock_downgrade+0x900/0x900
[  355.255566]  ? check_preemption_disabled+0x48/0x280
[  355.260587]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.265527]  ? kasan_check_read+0x11/0x20
[  355.269678]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.274956]  ? rcu_softirq_qs+0x20/0x20
[  355.278938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.284480]  ? oom_evaluate_task+0x302/0x540
[  355.288901]  out_of_memory+0xa84/0x1430
[  355.292899]  ? oom_killer_disable+0x3a0/0x3a0
[  355.297401]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  355.302337]  ? __ww_mutex_check_waiters+0x160/0x160
[  355.307368]  __alloc_pages_slowpath+0x2354/0x2e10
[  355.312244]  ? warn_alloc+0x120/0x120
[  355.316050]  ? mark_held_locks+0x130/0x130
[  355.320295]  ? find_get_entry+0xaae/0x1120
[  355.324542]  ? filemap_map_pages+0x1a20/0x1a20
[  355.329130]  ? zap_class+0x640/0x640
[  355.332852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.338401]  ? check_preemption_disabled+0x48/0x280
[  355.343422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.348964]  ? should_fail+0x22d/0xd01
[  355.352861]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.357977]  ? zap_class+0x640/0x640
[  355.361725]  ? __lock_is_held+0xb5/0x140
[  355.365800]  ? mark_held_locks+0x130/0x130
[  355.370045]  ? lock_release+0xa00/0xa00
[  355.374026]  ? perf_trace_sched_process_exec+0x860/0x860
[  355.379480]  ? xa_load+0x2ba/0x460
[  355.383027]  ? lock_downgrade+0x900/0x900
[  355.387185]  ? __might_sleep+0x95/0x190
[  355.391171]  __alloc_pages_nodemask+0xa80/0xde0
[  355.395850]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  355.400881]  ? __page_cache_alloc+0x191/0x5c0
[  355.405376]  ? xa_load+0x2e1/0x460
[  355.408925]  ? xa_clear_mark+0x40/0x40
[  355.412818]  ? zap_class+0x640/0x640
[  355.416542]  ? zap_class+0x640/0x640
[  355.420257]  ? zap_class+0x640/0x640
[  355.423974]  ? __do_page_cache_readahead+0x663/0x810
[  355.429083]  ? find_held_lock+0x36/0x1c0
[  355.433156]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  355.438705]  alloc_pages_current+0x173/0x350
[  355.443124]  __page_cache_alloc+0x38c/0x5c0
[  355.447449]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.452376]  ? kasan_check_read+0x11/0x20
[  355.456528]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.461809]  ? generic_perform_write+0x6a0/0x6a0
[  355.466567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.472109]  ? check_preemption_disabled+0x48/0x280
[  355.477156]  filemap_fault+0x1595/0x25f0
[  355.481236]  ? __lock_page_or_retry+0xa00/0xa00
[  355.485915]  ? mark_held_locks+0x130/0x130
[  355.490162]  ? filemap_map_pages+0xd6b/0x1a20
[  355.494665]  ? lock_downgrade+0x900/0x900
[  355.498816]  ? check_preemption_disabled+0x48/0x280
[  355.503840]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.508775]  ? kasan_check_read+0x11/0x20
[  355.512924]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.518206]  ? rcu_softirq_qs+0x20/0x20
[  355.522200]  ? filemap_map_pages+0xd92/0x1a20
[  355.526705]  ? __lock_acquire+0x62f/0x4c20
[  355.530954]  ? find_get_entries_tag+0x1400/0x1400
[  355.535860]  ? lock_acquire+0x1ed/0x520
[  355.539839]  ? ext4_filemap_fault+0x7a/0xad
[  355.544177]  ? lock_release+0xa00/0xa00
[  355.548156]  ? perf_trace_sched_process_exec+0x860/0x860
[  355.553620]  ? print_usage_bug+0xc0/0xc0
[  355.557688]  ? print_usage_bug+0xc0/0xc0
[  355.561766]  ? down_read+0x8d/0x120
[  355.565395]  ? ext4_filemap_fault+0x7a/0xad
[  355.569720]  ? __down_interruptible+0x700/0x700
[  355.574401]  ext4_filemap_fault+0x82/0xad
[  355.578558]  __do_fault+0x100/0x6b0
[  355.582198]  ? pmd_devmap_trans_unstable+0x220/0x220
[  355.587306]  ? mark_held_locks+0x130/0x130
[  355.591544]  ? mark_held_locks+0x130/0x130
[  355.595781]  ? __might_fault+0x12b/0x1e0
[  355.599848]  ? lock_downgrade+0x900/0x900
[  355.604010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.609554]  __handle_mm_fault+0x3ea0/0x5be0
[  355.613974]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  355.618825]  ? kasan_check_read+0x11/0x20
[  355.622981]  ? _copy_to_user+0xc8/0x110
[  355.626961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.632515]  ? zap_class+0x640/0x640
[  355.636229]  ? zap_class+0x640/0x640
[  355.639953]  ? find_held_lock+0x36/0x1c0
[  355.644028]  ? handle_mm_fault+0x42a/0xc70
[  355.648267]  ? lock_downgrade+0x900/0x900
[  355.652421]  ? check_preemption_disabled+0x48/0x280
[  355.657441]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.662378]  ? kasan_check_read+0x11/0x20
[  355.666532]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.671815]  ? rcu_softirq_qs+0x20/0x20
[  355.675796]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.680909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.686451]  ? check_preemption_disabled+0x48/0x280
[  355.691483]  handle_mm_fault+0x54f/0xc70
[  355.695552]  ? __handle_mm_fault+0x5be0/0x5be0
[  355.700147]  ? find_vma+0x34/0x190
[  355.703702]  __do_page_fault+0x5e8/0xe60
[  355.707765]  ? trace_hardirqs_off+0xb8/0x310
[  355.712192]  do_page_fault+0xf2/0x7e0
[  355.715996]  ? vmalloc_sync_all+0x30/0x30
[  355.720149]  ? error_entry+0x70/0xd0
[  355.723866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  355.728892]  ? trace_hardirqs_on_caller+0xc0/0x310
[  355.733827]  ? syscall_return_slowpath+0x5e0/0x5e0
[  355.738757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.743602]  ? trace_hardirqs_on_caller+0x310/0x310
[  355.748635]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  355.754090]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  355.759112]  ? prepare_exit_to_usermode+0x291/0x3b0
[  355.764134]  ? page_fault+0x8/0x30
[  355.767679]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.772526]  ? page_fault+0x8/0x30
[  355.776072]  page_fault+0x1e/0x30
[  355.779525] RIP: 0033:0x4375fe
[  355.782731] Code: Bad RIP value.
[  355.786093] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  355.791457] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  355.798725] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  355.805997] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  355.813267] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  355.820533] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  355.827832] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  355.827927] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  355.834762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  355.834767] Call Trace:
[  355.834791]  dump_stack+0x244/0x39d
[  355.834810]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.841338] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  355.850650]  warn_alloc.cold.116+0xb7/0x1bd
[  355.853208] syz-fuzzer cpuset=/ mems_allowed=0
[  355.856835]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  355.885956]  ? lock_downgrade+0x900/0x900
[  355.890116]  ? trace_hardirqs_off+0xb8/0x310
[  355.894535]  ? trace_hardirqs_off+0xb8/0x310
[  355.898960]  __alloc_pages_slowpath+0x26e8/0x2e10
[  355.903840]  ? warn_alloc+0x120/0x120
[  355.907661]  ? warn_alloc+0x120/0x120
[  355.911468]  ? warn_alloc+0x120/0x120
[  355.915277]  ? print_usage_bug+0xc0/0xc0
[  355.919345]  ? print_usage_bug+0xc0/0xc0
[  355.923417]  ? find_held_lock+0x36/0x1c0
[  355.927493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.933033]  ? should_fail+0x22d/0xd01
[  355.936928]  ? try_to_wake_up+0x11c/0x1490
[  355.941167]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.946272]  ? __lock_acquire+0x62f/0x4c20
[  355.950515]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.955629]  ? __lock_acquire+0x62f/0x4c20
[  355.959867]  ? should_fail+0x22d/0xd01
[  355.963769]  ? mark_held_locks+0x130/0x130
[  355.968016]  ? mark_held_locks+0x130/0x130
[  355.972259]  ? lock_downgrade+0x900/0x900
[  355.976414]  ? zap_class+0x640/0x640
[  355.980129]  ? print_usage_bug+0xc0/0xc0
[  355.984202]  ? trace_hardirqs_off+0xb8/0x310
[  355.988625]  ? kasan_check_read+0x11/0x20
[  355.992779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.998322]  ? check_preemption_disabled+0x48/0x280
[  356.003353]  ? __lock_is_held+0xb5/0x140
[  356.007428]  __alloc_pages_nodemask+0xa80/0xde0
[  356.012099]  ? zap_class+0x640/0x640
[  356.015823]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  356.020861]  ? find_held_lock+0x36/0x1c0
[  356.024943]  ? ____cache_alloc_node+0x1c7/0x1e0
[  356.029623]  ? lock_downgrade+0x900/0x900
[  356.033783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.039330]  cache_grow_begin+0xa5/0x8c0
[  356.043397]  ? do_raw_spin_unlock+0xa7/0x330
[  356.047822]  fallback_alloc+0x204/0x2e0
[  356.051804]  ____cache_alloc_node+0x1c7/0x1e0
[  356.056308]  kmem_cache_alloc_node+0xe3/0x730
[  356.060805]  ? ipv6_get_ifaddr+0x42e/0x620
[  356.065053]  __alloc_skb+0x119/0x770
[  356.068767]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.074054]  ? netdev_alloc_frag+0x1f0/0x1f0
[  356.078466]  ? lock_downgrade+0x900/0x900
[  356.082642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.088188]  ? refcount_sub_and_test_checked+0x203/0x310
[  356.093651]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  356.099109]  ? addrconf_rs_timer+0x690/0x690
[  356.103537]  ndisc_alloc_skb+0x144/0x340
[  356.107609]  ndisc_send_rs+0x331/0x6e0
[  356.111516]  addrconf_rs_timer+0x314/0x690
[  356.115761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.120010]  call_timer_fn+0x272/0x920
[  356.123899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.128139]  ? process_timeout+0x40/0x40
[  356.132209]  ? __run_timers+0x7da/0xc70
[  356.136191]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.140686]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.145184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.149421]  ? lockdep_hardirqs_on+0x296/0x5b0
[  356.154007]  ? trace_hardirqs_on+0xbd/0x310
[  356.158335]  ? kasan_check_read+0x11/0x20
[  356.162483]  ? __run_timers+0x7da/0xc70
[  356.166461]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.171584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.175826]  __run_timers+0x7e5/0xc70
[  356.179647]  ? timer_fixup_init+0x70/0x70
[  356.183798]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.188296]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.192796]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  356.197387]  ? trace_hardirqs_on+0xbd/0x310
[  356.201717]  ? kasan_check_read+0x11/0x20
[  356.205873]  ? finish_task_switch+0x1f4/0x910
[  356.210382]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.215491]  ? compat_start_thread+0x80/0x80
[  356.219924]  ? pvclock_read_flags+0x160/0x160
[  356.224422]  ? __switch_to_asm+0x34/0x70
[  356.228487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.234030]  ? check_preemption_disabled+0x48/0x280
[  356.239077]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  356.244634]  ? rcu_pm_notify+0xc0/0xc0
[  356.248526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.254068]  ? check_preemption_disabled+0x48/0x280
[  356.259096]  run_timer_softirq+0x52/0xb0
[  356.263161]  ? rcu_read_lock_sched_held+0x14f/0x180
[  356.268186]  __do_softirq+0x308/0xb7e
[  356.271996]  ? trace_hardirqs_on_caller+0xc0/0x310
[  356.276937]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  356.282044]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  356.287517]  ? schedule+0x108/0x460
[  356.291147]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  356.295919]  ? trace_hardirqs_off+0xb8/0x310
[  356.300335]  ? smpboot_thread_fn+0x68b/0xa00
[  356.304749]  ? trace_hardirqs_on+0x310/0x310
[  356.309161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.314711]  ? check_preemption_disabled+0x48/0x280
[  356.319730]  ? takeover_tasklets+0xa90/0xa90
[  356.324141]  run_ksoftirqd+0x5e/0x100
[  356.327949]  smpboot_thread_fn+0x68b/0xa00
[  356.332195]  ? sort_range+0x30/0x30
[  356.335829]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  356.340937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.346485]  ? __kthread_parkme+0xfb/0x1a0
[  356.350725]  ? sort_range+0x30/0x30
[  356.354358]  kthread+0x35a/0x440
[  356.357737]  ? kthread_stop+0x900/0x900
[  356.361721]  ret_from_fork+0x3a/0x50
[  356.365457] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  356.365463] warn_alloc_show_mem: 1 callbacks suppressed
[  356.365470] Mem-Info:
[  356.372477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.372486] Call Trace:
[  356.377857] active_anon:56065 inactive_anon:190 isolated_anon:0
[  356.377857]  active_file:11 inactive_file:12 isolated_file:0
[  356.377857]  unevictable:0 dirty:0 writeback:0 unstable:0
[  356.377857]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  356.377857]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  356.377857]  free:13773 free_pcp:518 free_cma:0
[  356.380232]  <IRQ>
[  356.389597] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  356.392184]  dump_stack+0x244/0x39d
[  356.425046] 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
[  356.427204]  ? dump_stack_print_info.cold.1+0x20/0x20
[  356.454671] lowmem_reserve[]: 0 2818 6321 6321
[  356.458316]  warn_alloc.cold.116+0xb7/0x1bd
[  356.484389] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  356.489584]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  356.494141] lowmem_reserve[]: 0 0 3503 3503
[  356.498459]  ? lock_downgrade+0x900/0x900
[  356.525935] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  356.530778]  ? trace_hardirqs_off+0xb8/0x310
[  356.535070] lowmem_reserve[]: 0 0 0 0
[  356.539219]  ? trace_hardirqs_off+0xb8/0x310
[  356.568358] 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
[  356.572778]  __alloc_pages_slowpath+0x26e8/0x2e10
[  356.576551] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  356.580978]  ? warn_alloc+0x120/0x120
[  356.594454] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  356.599310]  ? print_usage_bug+0xc0/0xc0
[  356.614466] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  356.618254]  ? warn_alloc+0x120/0x120
[  356.633150] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  356.637205]  ? warn_alloc+0x120/0x120
[  356.646023] 266 total pagecache pages
[  356.649818]  ? print_usage_bug+0xc0/0xc0
[  356.658379] 0 pages in swap cache
[  356.662163]  ? print_usage_bug+0xc0/0xc0
[  356.665948] Swap cache stats: add 0, delete 0, find 0/0
[  356.670002]  ? __lock_acquire+0x62f/0x4c20
[  356.673430] Free swap  = 0kB
[  356.677491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.683349] Total swap = 0kB
[  356.687582]  ? should_fail+0x22d/0xd01
[  356.690576] 1965979 pages RAM
[  356.696109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.699103] 0 pages HighMem/MovableOnly
[  356.702985]  ? __lock_acquire+0x62f/0x4c20
[  356.706068] 342854 pages reserved
[  356.711166]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.715117] 0 pages cma reserved
[  356.719347]  ? __lock_acquire+0x62f/0x4c20
[  356.722869] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  356.727878]  ? should_fail+0x22d/0xd01
[  356.727895]  ? find_held_lock+0x36/0x1c0
[  356.731300] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  356.735473]  ? mark_held_locks+0x130/0x130
[  356.741937] ksoftirqd/1 cpuset=/ mems_allowed=0
[  356.745836]  ? mark_held_locks+0x130/0x130
[  356.773277]  ? zap_class+0x640/0x640
[  356.776996]  ? zap_class+0x640/0x640
[  356.780714]  ? print_usage_bug+0xc0/0xc0
[  356.784777]  ? do_raw_spin_unlock+0xa7/0x330
[  356.789192]  ? zap_class+0x640/0x640
[  356.792912]  ? print_usage_bug+0xc0/0xc0
[  356.796974]  ? wq_watchdog_touch+0x9c/0xfe
[  356.801218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.806762]  ? check_preemption_disabled+0x48/0x280
[  356.811795]  ? __lock_is_held+0xb5/0x140
[  356.815864]  __alloc_pages_nodemask+0xa80/0xde0
[  356.820539]  ? zap_class+0x640/0x640
[  356.824263]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  356.829292]  ? find_held_lock+0x36/0x1c0
[  356.833364]  ? ____cache_alloc_node+0x1c7/0x1e0
[  356.838037]  ? lock_downgrade+0x900/0x900
[  356.842194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.847743]  cache_grow_begin+0xa5/0x8c0
[  356.851810]  ? do_raw_spin_unlock+0xa7/0x330
[  356.856232]  fallback_alloc+0x204/0x2e0
[  356.860215]  ____cache_alloc_node+0x1c7/0x1e0
[  356.864720]  kmem_cache_alloc_node+0xe3/0x730
[  356.869216]  ? ipv6_get_ifaddr+0x42e/0x620
[  356.873462]  __alloc_skb+0x119/0x770
[  356.877177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.882459]  ? netdev_alloc_frag+0x1f0/0x1f0
[  356.886881]  ? lock_downgrade+0x900/0x900
[  356.891040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.896578]  ? refcount_sub_and_test_checked+0x203/0x310
[  356.902048]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  356.907503]  ? addrconf_rs_timer+0x690/0x690
[  356.911926]  ndisc_alloc_skb+0x144/0x340
[  356.915998]  ndisc_send_rs+0x331/0x6e0
[  356.919901]  addrconf_rs_timer+0x314/0x690
[  356.924146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.928393]  call_timer_fn+0x272/0x920
[  356.932286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.936523]  ? process_timeout+0x40/0x40
[  356.940597]  ? mark_held_locks+0xc7/0x130
[  356.944755]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.949249]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.953743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.957982]  ? lockdep_hardirqs_on+0x296/0x5b0
[  356.962570]  ? trace_hardirqs_on+0xbd/0x310
[  356.966896]  ? kasan_check_read+0x11/0x20
[  356.971045]  ? __run_timers+0x7da/0xc70
[  356.975022]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.980130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.984374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.988608]  __run_timers+0x7e5/0xc70
[  356.992433]  ? timer_fixup_init+0x70/0x70
[  356.996586]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  357.001625]  ? zap_class+0x640/0x640
[  357.005349]  ? print_usage_bug+0xc0/0xc0
[  357.009417]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  357.014625]  ? find_held_lock+0x36/0x1c0
[  357.018699]  ? zap_class+0x640/0x640
[  357.022424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.027964]  ? check_preemption_disabled+0x48/0x280
[  357.032995]  ? __lock_is_held+0xb5/0x140
[  357.037063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.042602]  ? check_preemption_disabled+0x48/0x280
[  357.047646]  run_timer_softirq+0x52/0xb0
[  357.051734]  ? rcu_read_lock_sched_held+0x14f/0x180
[  357.056755]  __do_softirq+0x308/0xb7e
[  357.060563]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  357.065062]  ? lock_downgrade+0x900/0x900
[  357.069220]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  357.074333]  ? pvclock_read_flags+0x160/0x160
[  357.078836]  ? lapic_next_event+0x5a/0x90
[  357.082993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.088541]  ? kvm_clock_read+0x18/0x30
[  357.092520]  ? kvm_sched_clock_read+0x9/0x20
[  357.096933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.102471]  ? check_preemption_disabled+0x48/0x280
[  357.107500]  irq_exit+0x17f/0x1c0
[  357.110961]  smp_apic_timer_interrupt+0x1cb/0x760
[  357.115804]  ? smp_reschedule_interrupt+0x109/0x650
[  357.120826]  ? smp_call_function_single_interrupt+0x650/0x650
[  357.126714]  ? interrupt_entry+0xb5/0xc0
[  357.130786]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.135802]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.140823]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.145671]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.150689]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.155708]  ? task_prio+0x50/0x50
[  357.159255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.164799]  ? check_preemption_disabled+0x48/0x280
[  357.169830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.174696]  apic_timer_interrupt+0xf/0x20
[  357.178929]  </IRQ>
[  357.181171] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  357.186368] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  357.205266] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  357.212985] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  357.220253] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  357.227523] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  357.234790] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  357.242057] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  357.249356]  retint_kernel+0x1b/0x2d
[  357.253076] RIP: 0010:dump_stack+0x358/0x39d
[  357.257484] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  357.276387] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  357.284097] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  357.291364] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  357.298641] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  357.305913] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  357.313212] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  357.320497]  ? dump_stack+0x34f/0x39d
[  357.324316]  ? dump_stack_print_info.cold.1+0x20/0x20
[  357.329512]  ? mark_held_locks+0x130/0x130
[  357.333749]  ? mark_held_locks+0x130/0x130
[  357.337990]  dump_header+0x27b/0xf72
[  357.341717]  ? pagefault_out_of_memory+0x197/0x197
[  357.346657]  ? __lock_acquire+0x62f/0x4c20
[  357.350903]  ? percpu_ref_get_many+0x240/0x240
[  357.355493]  ? print_usage_bug+0xc0/0xc0
[  357.359565]  ? zap_class+0x640/0x640
[  357.363457]  ? print_usage_bug+0xc0/0xc0
[  357.367521]  ? print_usage_bug+0xc0/0xc0
[  357.371592]  ? zap_class+0x640/0x640
[  357.375320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.380861]  ? find_held_lock+0x36/0x1c0
[  357.384941]  ? mark_held_locks+0xc7/0x130
[  357.389093]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  357.394198]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  357.399307]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  357.403900]  ? trace_hardirqs_on+0xbd/0x310
[  357.408223]  ? kasan_check_read+0x11/0x20
[  357.412372]  ? ___ratelimit+0x3b4/0x672
[  357.416353]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.421461]  ? trace_hardirqs_on+0x310/0x310
[  357.425878]  ? lock_downgrade+0x900/0x900
[  357.430033]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  357.435138]  ? ___ratelimit+0x3b9/0x672
[  357.439119]  ? idr_get_free+0xf70/0xf70
[  357.443093]  ? find_held_lock+0x36/0x1c0
[  357.447165]  oom_kill_process.cold.27+0x10/0x903
[  357.451930]  ? zap_class+0x640/0x640
[  357.455653]  ? check_preemption_disabled+0x48/0x280
[  357.460681]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.465610]  ? kasan_check_read+0x11/0x20
[  357.469767]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.475045]  ? oom_evaluate_task+0x540/0x540
[  357.479459]  ? find_held_lock+0x36/0x1c0
[  357.483533]  ? out_of_memory+0x974/0x1430
[  357.487685]  ? lock_downgrade+0x900/0x900
[  357.491835]  ? check_preemption_disabled+0x48/0x280
[  357.496878]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.501806]  ? kasan_check_read+0x11/0x20
[  357.505956]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.511235]  ? rcu_softirq_qs+0x20/0x20
[  357.515227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.520795]  ? oom_evaluate_task+0x302/0x540
[  357.525219]  out_of_memory+0xa84/0x1430
[  357.529208]  ? oom_killer_disable+0x3a0/0x3a0
[  357.533707]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  357.538646]  ? __ww_mutex_check_waiters+0x160/0x160
[  357.543678]  __alloc_pages_slowpath+0x2354/0x2e10
[  357.548555]  ? warn_alloc+0x120/0x120
[  357.552360]  ? mark_held_locks+0x130/0x130
[  357.556601]  ? find_get_entry+0xaae/0x1120
[  357.560859]  ? filemap_map_pages+0x1a20/0x1a20
[  357.565453]  ? zap_class+0x640/0x640
[  357.569177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.574720]  ? check_preemption_disabled+0x48/0x280
[  357.579741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.585283]  ? should_fail+0x22d/0xd01
[  357.589177]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.594283]  ? zap_class+0x640/0x640
[  357.598029]  ? __lock_is_held+0xb5/0x140
[  357.602104]  ? mark_held_locks+0x130/0x130
[  357.606349]  ? lock_release+0xa00/0xa00
[  357.610330]  ? perf_trace_sched_process_exec+0x860/0x860
[  357.615785]  ? xa_load+0x2ba/0x460
[  357.619333]  ? lock_downgrade+0x900/0x900
[  357.623492]  ? __might_sleep+0x95/0x190
[  357.627473]  __alloc_pages_nodemask+0xa80/0xde0
[  357.632152]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  357.637169]  ? __page_cache_alloc+0x191/0x5c0
[  357.641668]  ? xa_load+0x2e1/0x460
[  357.645213]  ? xa_clear_mark+0x40/0x40
[  357.649105]  ? zap_class+0x640/0x640
[  357.652832]  ? zap_class+0x640/0x640
[  357.656547]  ? zap_class+0x640/0x640
[  357.660266]  ? __do_page_cache_readahead+0x663/0x810
[  357.665378]  ? find_held_lock+0x36/0x1c0
[  357.669447]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  357.674996]  alloc_pages_current+0x173/0x350
[  357.679415]  __page_cache_alloc+0x38c/0x5c0
[  357.683757]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.688692]  ? kasan_check_read+0x11/0x20
[  357.692843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.698145]  ? generic_perform_write+0x6a0/0x6a0
[  357.702909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.708455]  ? check_preemption_disabled+0x48/0x280
[  357.713481]  filemap_fault+0x1595/0x25f0
[  357.717569]  ? __lock_page_or_retry+0xa00/0xa00
[  357.722242]  ? mark_held_locks+0x130/0x130
[  357.726488]  ? filemap_map_pages+0xd6b/0x1a20
[  357.730986]  ? lock_downgrade+0x900/0x900
[  357.735136]  ? check_preemption_disabled+0x48/0x280
[  357.740159]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.745093]  ? kasan_check_read+0x11/0x20
[  357.749243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.754521]  ? rcu_softirq_qs+0x20/0x20
[  357.758514]  ? filemap_map_pages+0xd92/0x1a20
[  357.763037]  ? __lock_acquire+0x62f/0x4c20
[  357.767286]  ? find_get_entries_tag+0x1400/0x1400
[  357.772151]  ? lock_acquire+0x1ed/0x520
[  357.776129]  ? ext4_filemap_fault+0x7a/0xad
[  357.780464]  ? lock_release+0xa00/0xa00
[  357.784446]  ? perf_trace_sched_process_exec+0x860/0x860
[  357.789906]  ? print_usage_bug+0xc0/0xc0
[  357.793971]  ? print_usage_bug+0xc0/0xc0
[  357.798051]  ? down_read+0x8d/0x120
[  357.801683]  ? ext4_filemap_fault+0x7a/0xad
[  357.806008]  ? __down_interruptible+0x700/0x700
[  357.810694]  ext4_filemap_fault+0x82/0xad
[  357.814846]  __do_fault+0x100/0x6b0
[  357.818495]  ? pmd_devmap_trans_unstable+0x220/0x220
[  357.823608]  ? mark_held_locks+0x130/0x130
[  357.827942]  ? mark_held_locks+0x130/0x130
[  357.832178]  ? __might_fault+0x12b/0x1e0
[  357.836246]  ? lock_downgrade+0x900/0x900
[  357.840401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.845949]  __handle_mm_fault+0x3ea0/0x5be0
[  357.850368]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  357.855222]  ? kasan_check_read+0x11/0x20
[  357.859372]  ? _copy_to_user+0xc8/0x110
[  357.863353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.868910]  ? zap_class+0x640/0x640
[  357.872634]  ? zap_class+0x640/0x640
[  357.876360]  ? find_held_lock+0x36/0x1c0
[  357.880432]  ? handle_mm_fault+0x42a/0xc70
[  357.884677]  ? lock_downgrade+0x900/0x900
[  357.888834]  ? check_preemption_disabled+0x48/0x280
[  357.893855]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.898794]  ? kasan_check_read+0x11/0x20
[  357.902947]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.908225]  ? rcu_softirq_qs+0x20/0x20
[  357.912204]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.917314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.922856]  ? check_preemption_disabled+0x48/0x280
[  357.927894]  handle_mm_fault+0x54f/0xc70
[  357.931968]  ? __handle_mm_fault+0x5be0/0x5be0
[  357.936561]  ? find_vma+0x34/0x190
[  357.940110]  __do_page_fault+0x5e8/0xe60
[  357.944175]  ? trace_hardirqs_off+0xb8/0x310
[  357.948598]  do_page_fault+0xf2/0x7e0
[  357.952410]  ? vmalloc_sync_all+0x30/0x30
[  357.956561]  ? error_entry+0x70/0xd0
[  357.960281]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.965299]  ? trace_hardirqs_on_caller+0xc0/0x310
[  357.970250]  ? syscall_return_slowpath+0x5e0/0x5e0
[  357.975184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.980034]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.985053]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  357.990509]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  357.995533]  ? prepare_exit_to_usermode+0x291/0x3b0
[  358.000552]  ? page_fault+0x8/0x30
[  358.004102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.008948]  ? page_fault+0x8/0x30
[  358.012494]  page_fault+0x1e/0x30
[  358.015949] RIP: 0033:0x4375fe
[  358.019152] Code: Bad RIP value.
[  358.022512] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  358.027882] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  358.035151] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  358.042422] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  358.049694] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  358.056964] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  358.064263] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  358.064327] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  358.071193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.071202] Call Trace:
[  358.078001] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  358.087033]  dump_stack+0x244/0x39d
[  358.089593] syz-fuzzer cpuset=/ mems_allowed=0
[  358.099839]  ? dump_stack_print_info.cold.1+0x20/0x20
[  358.113230]  warn_alloc.cold.116+0xb7/0x1bd
[  358.117557]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  358.122416]  ? lock_downgrade+0x900/0x900
[  358.126580]  ? trace_hardirqs_off+0xb8/0x310
[  358.131007]  ? trace_hardirqs_off+0xb8/0x310
[  358.135426]  __alloc_pages_slowpath+0x26e8/0x2e10
[  358.140303]  ? warn_alloc+0x120/0x120
[  358.144112]  ? print_usage_bug+0xc0/0xc0
[  358.148176]  ? warn_alloc+0x120/0x120
[  358.151989]  ? warn_alloc+0x120/0x120
[  358.155796]  ? print_usage_bug+0xc0/0xc0
[  358.159865]  ? print_usage_bug+0xc0/0xc0
[  358.163929]  ? __lock_acquire+0x62f/0x4c20
[  358.168173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.173715]  ? should_fail+0x22d/0xd01
[  358.177609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.182724]  ? __lock_acquire+0x62f/0x4c20
[  358.186969]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.192074]  ? __lock_acquire+0x62f/0x4c20
[  358.196313]  ? should_fail+0x22d/0xd01
[  358.200207]  ? find_held_lock+0x36/0x1c0
[  358.204281]  ? mark_held_locks+0x130/0x130
[  358.208523]  ? mark_held_locks+0x130/0x130
[  358.212761]  ? zap_class+0x640/0x640
[  358.216479]  ? zap_class+0x640/0x640
[  358.220203]  ? print_usage_bug+0xc0/0xc0
[  358.224265]  ? do_raw_spin_unlock+0xa7/0x330
[  358.228683]  ? zap_class+0x640/0x640
[  358.232405]  ? print_usage_bug+0xc0/0xc0
[  358.236466]  ? wq_watchdog_touch+0x9c/0xfe
[  358.240707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.246249]  ? check_preemption_disabled+0x48/0x280
[  358.251281]  ? __lock_is_held+0xb5/0x140
[  358.255355]  __alloc_pages_nodemask+0xa80/0xde0
[  358.260029]  ? zap_class+0x640/0x640
[  358.263751]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  358.268787]  ? find_held_lock+0x36/0x1c0
[  358.272861]  ? ____cache_alloc_node+0x1c7/0x1e0
[  358.277534]  ? lock_downgrade+0x900/0x900
[  358.281694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.287237]  cache_grow_begin+0xa5/0x8c0
[  358.291301]  ? do_raw_spin_unlock+0xa7/0x330
[  358.295726]  fallback_alloc+0x204/0x2e0
[  358.299713]  ____cache_alloc_node+0x1c7/0x1e0
[  358.304221]  kmem_cache_alloc_node+0xe3/0x730
[  358.308722]  ? ipv6_get_ifaddr+0x42e/0x620
[  358.312994]  __alloc_skb+0x119/0x770
[  358.316711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.321997]  ? netdev_alloc_frag+0x1f0/0x1f0
[  358.326411]  ? lock_downgrade+0x900/0x900
[  358.330568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.336109]  ? refcount_sub_and_test_checked+0x203/0x310
[  358.341565]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  358.347017]  ? addrconf_rs_timer+0x690/0x690
[  358.351443]  ndisc_alloc_skb+0x144/0x340
[  358.355512]  ndisc_send_rs+0x331/0x6e0
[  358.359412]  addrconf_rs_timer+0x314/0x690
[  358.363660]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.367909]  call_timer_fn+0x272/0x920
[  358.371800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.376040]  ? process_timeout+0x40/0x40
[  358.380110]  ? __run_timers+0x7da/0xc70
[  358.384087]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.388586]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.393090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.397331]  ? lockdep_hardirqs_on+0x296/0x5b0
[  358.401920]  ? trace_hardirqs_on+0xbd/0x310
[  358.406245]  ? kasan_check_read+0x11/0x20
[  358.410398]  ? __run_timers+0x7da/0xc70
[  358.414380]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.419490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.423732]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.427978]  __run_timers+0x7e5/0xc70
[  358.431810]  ? timer_fixup_init+0x70/0x70
[  358.435965]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.440457]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.444982]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  358.449571]  ? trace_hardirqs_on+0xbd/0x310
[  358.453894]  ? kasan_check_read+0x11/0x20
[  358.458064]  ? finish_task_switch+0x1f4/0x910
[  358.462567]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.467673]  ? compat_start_thread+0x80/0x80
[  358.472108]  ? pvclock_read_flags+0x160/0x160
[  358.476601]  ? __switch_to_asm+0x34/0x70
[  358.480679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.486219]  ? check_preemption_disabled+0x48/0x280
[  358.491248]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  358.496793]  ? rcu_pm_notify+0xc0/0xc0
[  358.500686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.506227]  ? check_preemption_disabled+0x48/0x280
[  358.511251]  run_timer_softirq+0x52/0xb0
[  358.515318]  ? rcu_read_lock_sched_held+0x14f/0x180
[  358.520341]  __do_softirq+0x308/0xb7e
[  358.524155]  ? trace_hardirqs_on_caller+0xc0/0x310
[  358.529095]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  358.534199]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  358.539661]  ? schedule+0x108/0x460
[  358.543293]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  358.548065]  ? trace_hardirqs_off+0xb8/0x310
[  358.552656]  ? smpboot_thread_fn+0x68b/0xa00
[  358.557068]  ? trace_hardirqs_on+0x310/0x310
[  358.561505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.567045]  ? check_preemption_disabled+0x48/0x280
[  358.572064]  ? takeover_tasklets+0xa90/0xa90
[  358.576479]  run_ksoftirqd+0x5e/0x100
[  358.580286]  smpboot_thread_fn+0x68b/0xa00
[  358.584527]  ? sort_range+0x30/0x30
[  358.588155]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  358.593260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.598799]  ? __kthread_parkme+0xfb/0x1a0
[  358.603042]  ? sort_range+0x30/0x30
[  358.606673]  kthread+0x35a/0x440
[  358.610043]  ? kthread_stop+0x900/0x900
[  358.614022]  ret_from_fork+0x3a/0x50
[  358.617759] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  358.617765] warn_alloc_show_mem: 1 callbacks suppressed
[  358.617772] Mem-Info:
[  358.624785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.630152] active_anon:56065 inactive_anon:190 isolated_anon:0
[  358.630152]  active_file:11 inactive_file:12 isolated_file:0
[  358.630152]  unevictable:0 dirty:0 writeback:0 unstable:0
[  358.630152]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  358.630152]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  358.630152]  free:13773 free_pcp:518 free_cma:0
[  358.632525] Call Trace:
[  358.641924] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  358.674771]  <IRQ>
[  358.677341] 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
[  358.704974]  dump_stack+0x244/0x39d
[  358.707105] lowmem_reserve[]: 0 2818 6321 6321
[  358.733209]  ? dump_stack_print_info.cold.1+0x20/0x20
[  358.736812] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  358.741401]  warn_alloc.cold.116+0xb7/0x1bd
[  358.746582] lowmem_reserve[]: 0 0 3503 3503
[  358.774076]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  358.778379] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  358.782692]  ? lock_downgrade+0x900/0x900
[  358.787507] lowmem_reserve[]: 0 0 0 0
[  358.816484]  ? trace_hardirqs_off+0xb8/0x310
[  358.820605] 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
[  358.824430]  ? trace_hardirqs_off+0xb8/0x310
[  358.828813] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  358.842335]  __alloc_pages_slowpath+0x26e8/0x2e10
[  358.846714] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  358.861910]  ? warn_alloc+0x120/0x120
[  358.866703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  358.881602]  ? update_stack_state+0x1a5/0x690
[  358.885394] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  358.894217]  ? warn_alloc+0x120/0x120
[  358.898695] 266 total pagecache pages
[  358.907262]  ? warn_alloc+0x120/0x120
[  358.911045] 0 pages in swap cache
[  358.914839]  ? __bpf_trace_xdp_cpumap_enqueue+0x40/0x40
[  358.918626] Swap cache stats: add 0, delete 0, find 0/0
[  358.922073]  ? print_usage_bug+0xc0/0xc0
[  358.927413] Free swap  = 0kB
[  358.932767]  ? is_bpf_text_address+0xac/0x170
[  358.936806] Total swap = 0kB
[  358.939822]  ? print_usage_bug+0xc0/0xc0
[  358.944294] 1965979 pages RAM
[  358.947311]  ? kasan_check_read+0x11/0x20
[  358.951343] 0 pages HighMem/MovableOnly
[  358.954444]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.958565] 342854 pages reserved
[  358.962541]  ? should_fail+0x22d/0xd01
[  358.968058] 0 pages cma reserved
[  358.971507]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.975460] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  358.978735]  ? __lock_acquire+0x62f/0x4c20
[  358.983901] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  358.990303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.994532] ksoftirqd/1 cpuset=/ mems_allowed=0
[  359.004852]  ? __lock_acquire+0x62f/0x4c20
[  359.018806]  ? should_fail+0x22d/0xd01
[  359.022708]  ? mark_held_locks+0x130/0x130
[  359.026950]  ? mark_held_locks+0x130/0x130
[  359.031184]  ? save_trace+0x290/0x290
[  359.034999]  ? zap_class+0x640/0x640
[  359.038713]  ? print_usage_bug+0xc0/0xc0
[  359.042779]  ? __lock_acquire+0x62f/0x4c20
[  359.047023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.052587]  ? check_preemption_disabled+0x48/0x280
[  359.057632]  ? __lock_is_held+0xb5/0x140
[  359.061716]  __alloc_pages_nodemask+0xa80/0xde0
[  359.066387]  ? zap_class+0x640/0x640
[  359.070109]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  359.075139]  ? find_held_lock+0x36/0x1c0
[  359.079240]  ? ____cache_alloc_node+0x1c7/0x1e0
[  359.083914]  ? lock_downgrade+0x900/0x900
[  359.089291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.094835]  cache_grow_begin+0xa5/0x8c0
[  359.098905]  ? do_raw_spin_unlock+0xa7/0x330
[  359.103328]  fallback_alloc+0x204/0x2e0
[  359.107312]  ____cache_alloc_node+0x1c7/0x1e0
[  359.111819]  kmem_cache_alloc_node+0xe3/0x730
[  359.116331]  ? ipv6_get_ifaddr+0x42e/0x620
[  359.120598]  __alloc_skb+0x119/0x770
[  359.124320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.129605]  ? netdev_alloc_frag+0x1f0/0x1f0
[  359.134025]  ? lock_downgrade+0x900/0x900
[  359.138185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.143726]  ? refcount_sub_and_test_checked+0x203/0x310
[  359.149181]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  359.154638]  ? addrconf_rs_timer+0x690/0x690
[  359.159066]  ndisc_alloc_skb+0x144/0x340
[  359.163138]  ndisc_send_rs+0x331/0x6e0
[  359.167039]  addrconf_rs_timer+0x314/0x690
[  359.171283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.175535]  call_timer_fn+0x272/0x920
[  359.179429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.183687]  ? process_timeout+0x40/0x40
[  359.187762]  ? mark_held_locks+0xc7/0x130
[  359.191914]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.196409]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.200912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.205158]  ? lockdep_hardirqs_on+0x296/0x5b0
[  359.209745]  ? trace_hardirqs_on+0xbd/0x310
[  359.214071]  ? kasan_check_read+0x11/0x20
[  359.218222]  ? __run_timers+0x7da/0xc70
[  359.222202]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.227318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.231551]  __run_timers+0x7e5/0xc70
[  359.235367]  ? timer_fixup_init+0x70/0x70
[  359.239526]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  359.244565]  ? zap_class+0x640/0x640
[  359.248289]  ? print_usage_bug+0xc0/0xc0
[  359.252356]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  359.257558]  ? find_held_lock+0x36/0x1c0
[  359.261636]  ? zap_class+0x640/0x640
[  359.265356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.270905]  ? check_preemption_disabled+0x48/0x280
[  359.275939]  ? __lock_is_held+0xb5/0x140
[  359.280004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.285544]  ? check_preemption_disabled+0x48/0x280
[  359.290566]  run_timer_softirq+0x52/0xb0
[  359.294634]  ? rcu_read_lock_sched_held+0x14f/0x180
[  359.299654]  __do_softirq+0x308/0xb7e
[  359.303464]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  359.307959]  ? lock_downgrade+0x900/0x900
[  359.312114]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  359.317228]  ? pvclock_read_flags+0x160/0x160
[  359.321725]  ? lapic_next_event+0x5a/0x90
[  359.325880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.331424]  ? kvm_clock_read+0x18/0x30
[  359.335399]  ? kvm_sched_clock_read+0x9/0x20
[  359.339813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.345356]  ? check_preemption_disabled+0x48/0x280
[  359.350385]  irq_exit+0x17f/0x1c0
[  359.353850]  smp_apic_timer_interrupt+0x1cb/0x760
[  359.358702]  ? smp_reschedule_interrupt+0x109/0x650
[  359.363719]  ? smp_call_function_single_interrupt+0x650/0x650
[  359.369608]  ? interrupt_entry+0xb5/0xc0
[  359.373679]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.378714]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.383734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.388579]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.393601]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.398635]  ? task_prio+0x50/0x50
[  359.402178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.407721]  ? check_preemption_disabled+0x48/0x280
[  359.412743]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.417595]  apic_timer_interrupt+0xf/0x20
[  359.421832]  </IRQ>
[  359.424072] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  359.429266] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  359.448166] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  359.455883] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  359.463152] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  359.470419] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  359.477687] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  359.484953] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  359.492253]  retint_kernel+0x1b/0x2d
[  359.495969] RIP: 0010:dump_stack+0x358/0x39d
[  359.500379] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  359.519279] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  359.526994] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  359.534259] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  359.541526] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  359.548796] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  359.556065] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  359.563353]  ? dump_stack+0x34f/0x39d
[  359.567168]  ? dump_stack_print_info.cold.1+0x20/0x20
[  359.572365]  ? mark_held_locks+0x130/0x130
[  359.576602]  ? mark_held_locks+0x130/0x130
[  359.580856]  dump_header+0x27b/0xf72
[  359.584588]  ? pagefault_out_of_memory+0x197/0x197
[  359.589538]  ? __lock_acquire+0x62f/0x4c20
[  359.593777]  ? percpu_ref_get_many+0x240/0x240
[  359.598363]  ? print_usage_bug+0xc0/0xc0
[  359.602435]  ? zap_class+0x640/0x640
[  359.606153]  ? print_usage_bug+0xc0/0xc0
[  359.610213]  ? print_usage_bug+0xc0/0xc0
[  359.614277]  ? zap_class+0x640/0x640
[  359.617995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.623539]  ? find_held_lock+0x36/0x1c0
[  359.627624]  ? mark_held_locks+0xc7/0x130
[  359.631779]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  359.636885]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  359.641997]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  359.646585]  ? trace_hardirqs_on+0xbd/0x310
[  359.650922]  ? kasan_check_read+0x11/0x20
[  359.655071]  ? ___ratelimit+0x3b4/0x672
[  359.659049]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.664156]  ? trace_hardirqs_on+0x310/0x310
[  359.668571]  ? lock_downgrade+0x900/0x900
[  359.672728]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  359.677837]  ? ___ratelimit+0x3b9/0x672
[  359.681814]  ? idr_get_free+0xf70/0xf70
[  359.685796]  ? find_held_lock+0x36/0x1c0
[  359.689879]  oom_kill_process.cold.27+0x10/0x903
[  359.694648]  ? zap_class+0x640/0x640
[  359.698364]  ? check_preemption_disabled+0x48/0x280
[  359.703386]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  359.708320]  ? kasan_check_read+0x11/0x20
[  359.712467]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.717747]  ? oom_evaluate_task+0x540/0x540
[  359.722164]  ? find_held_lock+0x36/0x1c0
[  359.726258]  ? out_of_memory+0x974/0x1430
[  359.730412]  ? lock_downgrade+0x900/0x900
[  359.734563]  ? check_preemption_disabled+0x48/0x280
[  359.739587]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  359.744525]  ? kasan_check_read+0x11/0x20
[  359.748677]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.753954]  ? rcu_softirq_qs+0x20/0x20
[  359.757958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.763494]  ? oom_evaluate_task+0x302/0x540
[  359.767911]  out_of_memory+0xa84/0x1430
[  359.771903]  ? oom_killer_disable+0x3a0/0x3a0
[  359.776404]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  359.781338]  ? __ww_mutex_check_waiters+0x160/0x160
[  359.786369]  __alloc_pages_slowpath+0x2354/0x2e10
[  359.791244]  ? warn_alloc+0x120/0x120
[  359.795048]  ? mark_held_locks+0x130/0x130
[  359.799291]  ? find_get_entry+0xaae/0x1120
[  359.803541]  ? filemap_map_pages+0x1a20/0x1a20
[  359.808128]  ? zap_class+0x640/0x640
[  359.811849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.817408]  ? check_preemption_disabled+0x48/0x280
[  359.822438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.827975]  ? should_fail+0x22d/0xd01
[  359.831866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.836978]  ? zap_class+0x640/0x640
[  359.840719]  ? __lock_is_held+0xb5/0x140
[  359.844792]  ? mark_held_locks+0x130/0x130
[  359.849045]  ? lock_release+0xa00/0xa00
[  359.853025]  ? perf_trace_sched_process_exec+0x860/0x860
[  359.858495]  ? xa_load+0x2ba/0x460
[  359.862038]  ? lock_downgrade+0x900/0x900
[  359.866195]  ? __might_sleep+0x95/0x190
[  359.870174]  __alloc_pages_nodemask+0xa80/0xde0
[  359.874852]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  359.879885]  ? __page_cache_alloc+0x191/0x5c0
[  359.884377]  ? xa_load+0x2e1/0x460
[  359.887921]  ? xa_clear_mark+0x40/0x40
[  359.891815]  ? zap_class+0x640/0x640
[  359.895536]  ? zap_class+0x640/0x640
[  359.899249]  ? zap_class+0x640/0x640
[  359.902965]  ? __do_page_cache_readahead+0x663/0x810
[  359.908074]  ? find_held_lock+0x36/0x1c0
[  359.912144]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  359.917693]  alloc_pages_current+0x173/0x350
[  359.922113]  __page_cache_alloc+0x38c/0x5c0
[  359.926432]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  359.931360]  ? kasan_check_read+0x11/0x20
[  359.935511]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.940792]  ? generic_perform_write+0x6a0/0x6a0
[  359.945549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.951093]  ? check_preemption_disabled+0x48/0x280
[  359.956121]  filemap_fault+0x1595/0x25f0
[  359.960198]  ? __lock_page_or_retry+0xa00/0xa00
[  359.964872]  ? mark_held_locks+0x130/0x130
[  359.969127]  ? filemap_map_pages+0xd6b/0x1a20
[  359.973631]  ? lock_downgrade+0x900/0x900
[  359.977789]  ? check_preemption_disabled+0x48/0x280
[  359.982815]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  359.987742]  ? kasan_check_read+0x11/0x20
[  359.991895]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.997175]  ? rcu_softirq_qs+0x20/0x20
[  360.001166]  ? filemap_map_pages+0xd92/0x1a20
[  360.005666]  ? __lock_acquire+0x62f/0x4c20
[  360.009919]  ? find_get_entries_tag+0x1400/0x1400
[  360.014800]  ? lock_acquire+0x1ed/0x520
[  360.018779]  ? ext4_filemap_fault+0x7a/0xad
[  360.023110]  ? lock_release+0xa00/0xa00
[  360.027082]  ? perf_trace_sched_process_exec+0x860/0x860
[  360.032541]  ? print_usage_bug+0xc0/0xc0
[  360.036605]  ? print_usage_bug+0xc0/0xc0
[  360.040691]  ? down_read+0x8d/0x120
[  360.044314]  ? ext4_filemap_fault+0x7a/0xad
[  360.048645]  ? __down_interruptible+0x700/0x700
[  360.053331]  ext4_filemap_fault+0x82/0xad
[  360.057487]  __do_fault+0x100/0x6b0
[  360.061121]  ? pmd_devmap_trans_unstable+0x220/0x220
[  360.066230]  ? mark_held_locks+0x130/0x130
[  360.070470]  ? mark_held_locks+0x130/0x130
[  360.074708]  ? __might_fault+0x12b/0x1e0
[  360.078776]  ? lock_downgrade+0x900/0x900
[  360.082935]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.088483]  __handle_mm_fault+0x3ea0/0x5be0
[  360.092906]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  360.097786]  ? kasan_check_read+0x11/0x20
[  360.101934]  ? _copy_to_user+0xc8/0x110
[  360.105918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.111484]  ? zap_class+0x640/0x640
[  360.115197]  ? zap_class+0x640/0x640
[  360.118918]  ? find_held_lock+0x36/0x1c0
[  360.123023]  ? handle_mm_fault+0x42a/0xc70
[  360.127306]  ? lock_downgrade+0x900/0x900
[  360.131454]  ? check_preemption_disabled+0x48/0x280
[  360.136472]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.141400]  ? kasan_check_read+0x11/0x20
[  360.145553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.150831]  ? rcu_softirq_qs+0x20/0x20
[  360.154809]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.159914]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.165455]  ? check_preemption_disabled+0x48/0x280
[  360.170479]  handle_mm_fault+0x54f/0xc70
[  360.174565]  ? __handle_mm_fault+0x5be0/0x5be0
[  360.179178]  ? find_vma+0x34/0x190
[  360.182726]  __do_page_fault+0x5e8/0xe60
[  360.186788]  ? trace_hardirqs_off+0xb8/0x310
[  360.191209]  do_page_fault+0xf2/0x7e0
[  360.195012]  ? vmalloc_sync_all+0x30/0x30
[  360.199165]  ? error_entry+0x70/0xd0
[  360.202890]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.207911]  ? trace_hardirqs_on_caller+0xc0/0x310
[  360.212841]  ? syscall_return_slowpath+0x5e0/0x5e0
[  360.217778]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.222635]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.227655]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  360.233112]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  360.238133]  ? prepare_exit_to_usermode+0x291/0x3b0
[  360.243154]  ? page_fault+0x8/0x30
[  360.246697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.251544]  ? page_fault+0x8/0x30
[  360.255097]  page_fault+0x1e/0x30
[  360.258560] RIP: 0033:0x4375fe
[  360.261761] Code: Bad RIP value.
[  360.265127] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  360.270485] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  360.277752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  360.285018] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  360.292288] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  360.299554] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  360.306852] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  360.306925] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  360.313779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.313785] Call Trace:
[  360.313805]  dump_stack+0x244/0x39d
[  360.313827]  ? dump_stack_print_info.cold.1+0x20/0x20
[  360.320358] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  360.329664]  warn_alloc.cold.116+0xb7/0x1bd
[  360.332217] syz-fuzzer cpuset=/ mems_allowed=0
[  360.335839]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  360.364939]  ? lock_downgrade+0x900/0x900
[  360.369098]  ? trace_hardirqs_off+0xb8/0x310
[  360.373516]  ? trace_hardirqs_off+0xb8/0x310
[  360.377938]  __alloc_pages_slowpath+0x26e8/0x2e10
[  360.382814]  ? warn_alloc+0x120/0x120
[  360.386629]  ? print_usage_bug+0xc0/0xc0
[  360.390699]  ? warn_alloc+0x120/0x120
[  360.394506]  ? warn_alloc+0x120/0x120
[  360.398308]  ? print_usage_bug+0xc0/0xc0
[  360.402380]  ? print_usage_bug+0xc0/0xc0
[  360.406448]  ? __lock_acquire+0x62f/0x4c20
[  360.410692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.416234]  ? should_fail+0x22d/0xd01
[  360.420133]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.425240]  ? __lock_acquire+0x62f/0x4c20
[  360.429480]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.434588]  ? __lock_acquire+0x62f/0x4c20
[  360.438827]  ? should_fail+0x22d/0xd01
[  360.442721]  ? find_held_lock+0x36/0x1c0
[  360.446799]  ? mark_held_locks+0x130/0x130
[  360.451043]  ? mark_held_locks+0x130/0x130
[  360.455281]  ? zap_class+0x640/0x640
[  360.459013]  ? mark_held_locks+0xc7/0x130
[  360.463161]  ? do_raw_spin_unlock+0xa7/0x330
[  360.467571]  ? zap_class+0x640/0x640
[  360.471289]  ? print_usage_bug+0xc0/0xc0
[  360.475356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.480900]  ? check_preemption_disabled+0x48/0x280
[  360.485932]  ? __lock_is_held+0xb5/0x140
[  360.490006]  __alloc_pages_nodemask+0xa80/0xde0
[  360.494679]  ? zap_class+0x640/0x640
[  360.498405]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  360.503440]  ? find_held_lock+0x36/0x1c0
[  360.507512]  ? ____cache_alloc_node+0x1c7/0x1e0
[  360.512194]  ? lock_downgrade+0x900/0x900
[  360.516352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.521899]  cache_grow_begin+0xa5/0x8c0
[  360.525961]  ? do_raw_spin_unlock+0xa7/0x330
[  360.530391]  fallback_alloc+0x204/0x2e0
[  360.534380]  ____cache_alloc_node+0x1c7/0x1e0
[  360.538883]  kmem_cache_alloc_node+0xe3/0x730
[  360.543385]  ? ipv6_get_ifaddr+0x42e/0x620
[  360.547643]  __alloc_skb+0x119/0x770
[  360.551533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.556816]  ? netdev_alloc_frag+0x1f0/0x1f0
[  360.561225]  ? lock_downgrade+0x900/0x900
[  360.565387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.570931]  ? refcount_sub_and_test_checked+0x203/0x310
[  360.576391]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  360.581843]  ? addrconf_rs_timer+0x690/0x690
[  360.586264]  ndisc_alloc_skb+0x144/0x340
[  360.590343]  ndisc_send_rs+0x331/0x6e0
[  360.594241]  addrconf_rs_timer+0x314/0x690
[  360.598482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.602729]  call_timer_fn+0x272/0x920
[  360.606630]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.610869]  ? process_timeout+0x40/0x40
[  360.614941]  ? __run_timers+0x7da/0xc70
[  360.618922]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.623416]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.627912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.632153]  ? lockdep_hardirqs_on+0x296/0x5b0
[  360.636742]  ? trace_hardirqs_on+0xbd/0x310
[  360.641069]  ? kasan_check_read+0x11/0x20
[  360.645219]  ? __run_timers+0x7da/0xc70
[  360.649197]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.654305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.658546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.662780]  __run_timers+0x7e5/0xc70
[  360.666592]  ? timer_fixup_init+0x70/0x70
[  360.670751]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.675247]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.679749]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  360.684834]  ? trace_hardirqs_on+0xbd/0x310
[  360.689157]  ? kasan_check_read+0x11/0x20
[  360.693309]  ? finish_task_switch+0x1f4/0x910
[  360.697806]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.702909]  ? compat_start_thread+0x80/0x80
[  360.707341]  ? pvclock_read_flags+0x160/0x160
[  360.711839]  ? __switch_to_asm+0x34/0x70
[  360.715904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.721456]  ? check_preemption_disabled+0x48/0x280
[  360.726493]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  360.732040]  ? rcu_pm_notify+0xc0/0xc0
[  360.735932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.741475]  ? check_preemption_disabled+0x48/0x280
[  360.746500]  run_timer_softirq+0x52/0xb0
[  360.750563]  ? rcu_read_lock_sched_held+0x14f/0x180
[  360.755582]  __do_softirq+0x308/0xb7e
[  360.759404]  ? trace_hardirqs_on_caller+0xc0/0x310
[  360.764343]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  360.769451]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  360.774911]  ? schedule+0x108/0x460
[  360.778542]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  360.783311]  ? trace_hardirqs_off+0xb8/0x310
[  360.787722]  ? smpboot_thread_fn+0x68b/0xa00
[  360.792141]  ? trace_hardirqs_on+0x310/0x310
[  360.796557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.802102]  ? check_preemption_disabled+0x48/0x280
[  360.807121]  ? takeover_tasklets+0xa90/0xa90
[  360.811544]  run_ksoftirqd+0x5e/0x100
[  360.815346]  smpboot_thread_fn+0x68b/0xa00
[  360.819586]  ? sort_range+0x30/0x30
[  360.823234]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  360.828343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.833886]  ? __kthread_parkme+0xfb/0x1a0
[  360.838127]  ? sort_range+0x30/0x30
[  360.841756]  kthread+0x35a/0x440
[  360.845125]  ? kthread_stop+0x900/0x900
[  360.849118]  ret_from_fork+0x3a/0x50
[  360.852856] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  360.852861] warn_alloc_show_mem: 1 callbacks suppressed
[  360.852868] Mem-Info:
[  360.859893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.865263] active_anon:56065 inactive_anon:190 isolated_anon:0
[  360.865263]  active_file:11 inactive_file:12 isolated_file:0
[  360.865263]  unevictable:0 dirty:0 writeback:0 unstable:0
[  360.865263]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  360.865263]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  360.865263]  free:13773 free_pcp:518 free_cma:0
[  360.867641] Call Trace:
[  360.877030] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  360.909881]  <IRQ>
[  360.912446] 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
[  360.939941]  dump_stack+0x244/0x39d
[  360.942067] lowmem_reserve[]: 0 2818 6321 6321
[  360.968174]  ? dump_stack_print_info.cold.1+0x20/0x20
[  360.971777] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  360.976359]  warn_alloc.cold.116+0xb7/0x1bd
[  360.981515] lowmem_reserve[]: 0 0 3503 3503
[  361.009009]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  361.013306] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  361.017636]  ? lock_downgrade+0x900/0x900
[  361.022452] lowmem_reserve[]: 0 0 0 0
[  361.051424]  ? trace_hardirqs_off+0xb8/0x310
[  361.055542] 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
[  361.059339]  ? trace_hardirqs_off+0xb8/0x310
[  361.063720] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  361.077242]  __alloc_pages_slowpath+0x26e8/0x2e10
[  361.081628] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  361.096822]  ? warn_alloc+0x120/0x120
[  361.101635] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  361.116535]  ? print_usage_bug+0xc0/0xc0
[  361.120315] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  361.129138]  ? warn_alloc+0x120/0x120
[  361.133178] 266 total pagecache pages
[  361.141745]  ? warn_alloc+0x120/0x120
[  361.145525] 0 pages in swap cache
[  361.149316]  ? print_usage_bug+0xc0/0xc0
[  361.153098] Swap cache stats: add 0, delete 0, find 0/0
[  361.156546]  ? print_usage_bug+0xc0/0xc0
[  361.160586] Free swap  = 0kB
[  361.165954]  ? __lock_acquire+0x62f/0x4c20
[  361.169992] Total swap = 0kB
[  361.173010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.177216] 1965979 pages RAM
[  361.180229]  ? should_fail+0x22d/0xd01
[  361.185744] 0 pages HighMem/MovableOnly
[  361.188842]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.192704] 342854 pages reserved
[  361.196669]  ? __lock_acquire+0x62f/0x4c20
[  361.201747] 0 pages cma reserved
[  361.205192]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.209474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  361.212759]  ? __lock_acquire+0x62f/0x4c20
[  361.212772]  ? should_fail+0x22d/0xd01
[  361.212786]  ? find_held_lock+0x36/0x1c0
[  361.212809]  ? mark_held_locks+0x130/0x130
[  361.217945] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.224371]  ? mark_held_locks+0x130/0x130
[  361.228602] ksoftirqd/1 cpuset=/ mems_allowed=0
[  361.232489]  ? zap_class+0x640/0x640
[  361.263611]  ? zap_class+0x640/0x640
[  361.267342]  ? print_usage_bug+0xc0/0xc0
[  361.271430]  ? do_raw_spin_unlock+0xa7/0x330
[  361.275839]  ? zap_class+0x640/0x640
[  361.279556]  ? print_usage_bug+0xc0/0xc0
[  361.283625]  ? wq_watchdog_touch+0x9c/0xfe
[  361.287867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.293416]  ? check_preemption_disabled+0x48/0x280
[  361.298442]  ? __lock_is_held+0xb5/0x140
[  361.302510]  __alloc_pages_nodemask+0xa80/0xde0
[  361.307179]  ? zap_class+0x640/0x640
[  361.310907]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  361.315936]  ? find_held_lock+0x36/0x1c0
[  361.320009]  ? ____cache_alloc_node+0x1c7/0x1e0
[  361.324679]  ? lock_downgrade+0x900/0x900
[  361.328836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.334379]  cache_grow_begin+0xa5/0x8c0
[  361.338444]  ? do_raw_spin_unlock+0xa7/0x330
[  361.342864]  fallback_alloc+0x204/0x2e0
[  361.346855]  ____cache_alloc_node+0x1c7/0x1e0
[  361.351363]  kmem_cache_alloc_node+0xe3/0x730
[  361.355860]  ? ipv6_get_ifaddr+0x42e/0x620
[  361.360114]  __alloc_skb+0x119/0x770
[  361.363832]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.369115]  ? netdev_alloc_frag+0x1f0/0x1f0
[  361.373524]  ? lock_downgrade+0x900/0x900
[  361.377679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.383219]  ? refcount_sub_and_test_checked+0x203/0x310
[  361.388676]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  361.394127]  ? addrconf_rs_timer+0x690/0x690
[  361.398550]  ndisc_alloc_skb+0x144/0x340
[  361.402625]  ndisc_send_rs+0x331/0x6e0
[  361.406521]  addrconf_rs_timer+0x314/0x690
[  361.410763]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.415010]  call_timer_fn+0x272/0x920
[  361.418903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.423143]  ? process_timeout+0x40/0x40
[  361.427213]  ? mark_held_locks+0xc7/0x130
[  361.431366]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.435861]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.440360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.444599]  ? lockdep_hardirqs_on+0x296/0x5b0
[  361.449195]  ? trace_hardirqs_on+0xbd/0x310
[  361.453518]  ? kasan_check_read+0x11/0x20
[  361.457664]  ? __run_timers+0x7da/0xc70
[  361.461645]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.466754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.470994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  361.475232]  __run_timers+0x7e5/0xc70
[  361.479045]  ? timer_fixup_init+0x70/0x70
[  361.483195]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  361.488215]  ? zap_class+0x640/0x640
[  361.491936]  ? print_usage_bug+0xc0/0xc0
[  361.496002]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  361.501204]  ? find_held_lock+0x36/0x1c0
[  361.505269]  ? zap_class+0x640/0x640
[  361.508990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.514559]  ? check_preemption_disabled+0x48/0x280
[  361.519595]  ? __lock_is_held+0xb5/0x140
[  361.523670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.529216]  ? check_preemption_disabled+0x48/0x280
[  361.534239]  run_timer_softirq+0x52/0xb0
[  361.538304]  ? rcu_read_lock_sched_held+0x14f/0x180
[  361.543321]  __do_softirq+0x308/0xb7e
[  361.547131]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  361.551634]  ? lock_downgrade+0x900/0x900
[  361.555792]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  361.560911]  ? pvclock_read_flags+0x160/0x160
[  361.565412]  ? lapic_next_event+0x5a/0x90
[  361.569564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.575106]  ? kvm_clock_read+0x18/0x30
[  361.579085]  ? kvm_sched_clock_read+0x9/0x20
[  361.583496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.589036]  ? check_preemption_disabled+0x48/0x280
[  361.594062]  irq_exit+0x17f/0x1c0
[  361.597517]  smp_apic_timer_interrupt+0x1cb/0x760
[  361.602356]  ? smp_reschedule_interrupt+0x109/0x650
[  361.607389]  ? smp_call_function_single_interrupt+0x650/0x650
[  361.613277]  ? interrupt_entry+0xb5/0xc0
[  361.617339]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.622354]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.627386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.632242]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.637258]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.642277]  ? task_prio+0x50/0x50
[  361.645819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.651358]  ? check_preemption_disabled+0x48/0x280
[  361.656382]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.661239]  apic_timer_interrupt+0xf/0x20
[  361.665465]  </IRQ>
[  361.667704] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  361.672906] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  361.691811] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  361.699517] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  361.706785] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  361.714051] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  361.721321] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  361.728586] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  361.735901]  retint_kernel+0x1b/0x2d
[  361.739626] RIP: 0010:dump_stack+0x358/0x39d
[  361.744037] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  361.762937] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  361.770651] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  361.777916] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  361.785187] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  361.792457] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  361.799723] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  361.807014]  ? dump_stack+0x34f/0x39d
[  361.810831]  ? dump_stack_print_info.cold.1+0x20/0x20
[  361.816027]  ? mark_held_locks+0x130/0x130
[  361.820266]  ? mark_held_locks+0x130/0x130
[  361.824508]  dump_header+0x27b/0xf72
[  361.828240]  ? pagefault_out_of_memory+0x197/0x197
[  361.833181]  ? __lock_acquire+0x62f/0x4c20
[  361.837418]  ? percpu_ref_get_many+0x240/0x240
[  361.842004]  ? print_usage_bug+0xc0/0xc0
[  361.846079]  ? zap_class+0x640/0x640
[  361.849798]  ? print_usage_bug+0xc0/0xc0
[  361.853859]  ? print_usage_bug+0xc0/0xc0
[  361.857929]  ? zap_class+0x640/0x640
[  361.861655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.867198]  ? find_held_lock+0x36/0x1c0
[  361.871269]  ? mark_held_locks+0xc7/0x130
[  361.875420]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  361.880521]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  361.885634]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  361.890224]  ? trace_hardirqs_on+0xbd/0x310
[  361.894560]  ? kasan_check_read+0x11/0x20
[  361.898726]  ? ___ratelimit+0x3b4/0x672
[  361.902702]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.907809]  ? trace_hardirqs_on+0x310/0x310
[  361.912222]  ? lock_downgrade+0x900/0x900
[  361.916374]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  361.921482]  ? ___ratelimit+0x3b9/0x672
[  361.925489]  ? idr_get_free+0xf70/0xf70
[  361.929462]  ? find_held_lock+0x36/0x1c0
[  361.933533]  oom_kill_process.cold.27+0x10/0x903
[  361.938296]  ? zap_class+0x640/0x640
[  361.942017]  ? check_preemption_disabled+0x48/0x280
[  361.947042]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.951974]  ? kasan_check_read+0x11/0x20
[  361.956123]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.961401]  ? oom_evaluate_task+0x540/0x540
[  361.965815]  ? find_held_lock+0x36/0x1c0
[  361.969895]  ? out_of_memory+0x974/0x1430
[  361.974050]  ? lock_downgrade+0x900/0x900
[  361.978201]  ? check_preemption_disabled+0x48/0x280
[  361.983219]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  361.988150]  ? kasan_check_read+0x11/0x20
[  361.992301]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.997583]  ? rcu_softirq_qs+0x20/0x20
[  362.001575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.007111]  ? oom_evaluate_task+0x302/0x540
[  362.011537]  out_of_memory+0xa84/0x1430
[  362.015549]  ? oom_killer_disable+0x3a0/0x3a0
[  362.020046]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  362.024981]  ? __ww_mutex_check_waiters+0x160/0x160
[  362.030012]  __alloc_pages_slowpath+0x2354/0x2e10
[  362.034895]  ? warn_alloc+0x120/0x120
[  362.038695]  ? mark_held_locks+0x130/0x130
[  362.042936]  ? find_get_entry+0xaae/0x1120
[  362.047185]  ? filemap_map_pages+0x1a20/0x1a20
[  362.051773]  ? zap_class+0x640/0x640
[  362.055492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.061033]  ? check_preemption_disabled+0x48/0x280
[  362.066059]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.071596]  ? should_fail+0x22d/0xd01
[  362.075496]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.080604]  ? zap_class+0x640/0x640
[  362.084364]  ? __lock_is_held+0xb5/0x140
[  362.088440]  ? mark_held_locks+0x130/0x130
[  362.092678]  ? lock_release+0xa00/0xa00
[  362.096659]  ? perf_trace_sched_process_exec+0x860/0x860
[  362.102110]  ? xa_load+0x2ba/0x460
[  362.105658]  ? lock_downgrade+0x900/0x900
[  362.109816]  ? __might_sleep+0x95/0x190
[  362.113796]  __alloc_pages_nodemask+0xa80/0xde0
[  362.118565]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  362.123582]  ? __page_cache_alloc+0x191/0x5c0
[  362.128084]  ? xa_load+0x2e1/0x460
[  362.131639]  ? xa_clear_mark+0x40/0x40
[  362.135534]  ? zap_class+0x640/0x640
[  362.139259]  ? zap_class+0x640/0x640
[  362.142976]  ? zap_class+0x640/0x640
[  362.146692]  ? __do_page_cache_readahead+0x663/0x810
[  362.151802]  ? find_held_lock+0x36/0x1c0
[  362.155869]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  362.161420]  alloc_pages_current+0x173/0x350
[  362.165843]  __page_cache_alloc+0x38c/0x5c0
[  362.170169]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  362.175097]  ? kasan_check_read+0x11/0x20
[  362.179246]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.184525]  ? generic_perform_write+0x6a0/0x6a0
[  362.189285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.194824]  ? check_preemption_disabled+0x48/0x280
[  362.199852]  filemap_fault+0x1595/0x25f0
[  362.203933]  ? __lock_page_or_retry+0xa00/0xa00
[  362.208610]  ? mark_held_locks+0x130/0x130
[  362.212867]  ? filemap_map_pages+0xd6b/0x1a20
[  362.217370]  ? lock_downgrade+0x900/0x900
[  362.221523]  ? check_preemption_disabled+0x48/0x280
[  362.226549]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  362.231484]  ? kasan_check_read+0x11/0x20
[  362.235639]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.240918]  ? rcu_softirq_qs+0x20/0x20
[  362.244917]  ? filemap_map_pages+0xd92/0x1a20
[  362.249417]  ? __lock_acquire+0x62f/0x4c20
[  362.253662]  ? find_get_entries_tag+0x1400/0x1400
[  362.258531]  ? lock_acquire+0x1ed/0x520
[  362.262506]  ? ext4_filemap_fault+0x7a/0xad
[  362.266835]  ? lock_release+0xa00/0xa00
[  362.270808]  ? perf_trace_sched_process_exec+0x860/0x860
[  362.276265]  ? print_usage_bug+0xc0/0xc0
[  362.280332]  ? print_usage_bug+0xc0/0xc0
[  362.284407]  ? down_read+0x8d/0x120
[  362.288037]  ? ext4_filemap_fault+0x7a/0xad
[  362.292362]  ? __down_interruptible+0x700/0x700
[  362.297046]  ext4_filemap_fault+0x82/0xad
[  362.301197]  __do_fault+0x100/0x6b0
[  362.304829]  ? pmd_devmap_trans_unstable+0x220/0x220
[  362.309935]  ? mark_held_locks+0x130/0x130
[  362.314173]  ? mark_held_locks+0x130/0x130
[  362.318412]  ? __might_fault+0x12b/0x1e0
[  362.322480]  ? lock_downgrade+0x900/0x900
[  362.326647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.332195]  __handle_mm_fault+0x3ea0/0x5be0
[  362.336620]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  362.341471]  ? kasan_check_read+0x11/0x20
[  362.345642]  ? _copy_to_user+0xc8/0x110
[  362.349632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.355184]  ? zap_class+0x640/0x640
[  362.358901]  ? zap_class+0x640/0x640
[  362.362633]  ? find_held_lock+0x36/0x1c0
[  362.366709]  ? handle_mm_fault+0x42a/0xc70
[  362.370947]  ? lock_downgrade+0x900/0x900
[  362.375096]  ? check_preemption_disabled+0x48/0x280
[  362.380114]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  362.385044]  ? kasan_check_read+0x11/0x20
[  362.389195]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.394475]  ? rcu_softirq_qs+0x20/0x20
[  362.398453]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.403558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.409101]  ? check_preemption_disabled+0x48/0x280
[  362.414130]  handle_mm_fault+0x54f/0xc70
[  362.418200]  ? __handle_mm_fault+0x5be0/0x5be0
[  362.422787]  ? find_vma+0x34/0x190
[  362.426352]  __do_page_fault+0x5e8/0xe60
[  362.430428]  ? trace_hardirqs_off+0xb8/0x310
[  362.434851]  do_page_fault+0xf2/0x7e0
[  362.438661]  ? vmalloc_sync_all+0x30/0x30
[  362.442814]  ? error_entry+0x70/0xd0
[  362.446530]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.451575]  ? trace_hardirqs_on_caller+0xc0/0x310
[  362.456507]  ? syscall_return_slowpath+0x5e0/0x5e0
[  362.461437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.466283]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.471298]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  362.476755]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  362.481787]  ? prepare_exit_to_usermode+0x291/0x3b0
[  362.486817]  ? page_fault+0x8/0x30
[  362.490360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.495209]  ? page_fault+0x8/0x30
[  362.498750]  page_fault+0x1e/0x30
[  362.502205] RIP: 0033:0x4375fe
[  362.505404] Code: Bad RIP value.
[  362.508768] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  362.514130] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  362.521395] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  362.528663] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  362.535930] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  362.543195] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  362.550749] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  362.550815] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  362.557677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  362.557682] Call Trace:
[  362.557702]  dump_stack+0x244/0x39d
[  362.557723]  ? dump_stack_print_info.cold.1+0x20/0x20
[  362.564383] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  362.573560]  warn_alloc.cold.116+0xb7/0x1bd
[  362.576120] syz-fuzzer cpuset=/ mems_allowed=0
[  362.579739]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  362.608842]  ? lock_downgrade+0x900/0x900
[  362.613003]  ? trace_hardirqs_off+0xb8/0x310
[  362.617423]  ? trace_hardirqs_off+0xb8/0x310
[  362.621847]  __alloc_pages_slowpath+0x26e8/0x2e10
[  362.626723]  ? warn_alloc+0x120/0x120
[  362.630558]  ? print_usage_bug+0xc0/0xc0
[  362.634660]  ? warn_alloc+0x120/0x120
[  362.638464]  ? warn_alloc+0x120/0x120
[  362.642265]  ? print_usage_bug+0xc0/0xc0
[  362.646332]  ? print_usage_bug+0xc0/0xc0
[  362.650400]  ? __lock_acquire+0x62f/0x4c20
[  362.654664]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.660207]  ? should_fail+0x22d/0xd01
[  362.664100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.669209]  ? __lock_acquire+0x62f/0x4c20
[  362.673468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.678575]  ? __lock_acquire+0x62f/0x4c20
[  362.683266]  ? should_fail+0x22d/0xd01
[  362.687188]  ? find_held_lock+0x36/0x1c0
[  362.691261]  ? mark_held_locks+0x130/0x130
[  362.695502]  ? mark_held_locks+0x130/0x130
[  362.699740]  ? zap_class+0x640/0x640
[  362.703460]  ? zap_class+0x640/0x640
[  362.707183]  ? print_usage_bug+0xc0/0xc0
[  362.711248]  ? do_raw_spin_unlock+0xa7/0x330
[  362.715661]  ? zap_class+0x640/0x640
[  362.719397]  ? print_usage_bug+0xc0/0xc0
[  362.723461]  ? wq_watchdog_touch+0x9c/0xfe
[  362.727700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.733259]  ? check_preemption_disabled+0x48/0x280
[  362.738290]  ? __lock_is_held+0xb5/0x140
[  362.742363]  __alloc_pages_nodemask+0xa80/0xde0
[  362.747043]  ? zap_class+0x640/0x640
[  362.750766]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  362.755800]  ? find_held_lock+0x36/0x1c0
[  362.759873]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.764547]  ? lock_downgrade+0x900/0x900
[  362.768705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.774254]  cache_grow_begin+0xa5/0x8c0
[  362.778320]  ? do_raw_spin_unlock+0xa7/0x330
[  362.782739]  fallback_alloc+0x204/0x2e0
[  362.786724]  ____cache_alloc_node+0x1c7/0x1e0
[  362.791232]  kmem_cache_alloc_node+0xe3/0x730
[  362.795734]  ? ipv6_get_ifaddr+0x42e/0x620
[  362.800030]  __alloc_skb+0x119/0x770
[  362.803765]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.809049]  ? netdev_alloc_frag+0x1f0/0x1f0
[  362.813459]  ? lock_downgrade+0x900/0x900
[  362.817628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.823173]  ? refcount_sub_and_test_checked+0x203/0x310
[  362.829311]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  362.834770]  ? addrconf_rs_timer+0x690/0x690
[  362.839200]  ndisc_alloc_skb+0x144/0x340
[  362.843274]  ndisc_send_rs+0x331/0x6e0
[  362.847173]  addrconf_rs_timer+0x314/0x690
[  362.851416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.855671]  call_timer_fn+0x272/0x920
[  362.859563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.863804]  ? process_timeout+0x40/0x40
[  362.867876]  ? __run_timers+0x7da/0xc70
[  362.871855]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.876378]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.880873]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.885115]  ? lockdep_hardirqs_on+0x296/0x5b0
[  362.889708]  ? trace_hardirqs_on+0xbd/0x310
[  362.894031]  ? kasan_check_read+0x11/0x20
[  362.898179]  ? __run_timers+0x7da/0xc70
[  362.902161]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.907273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.911538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.915802]  __run_timers+0x7e5/0xc70
[  362.919626]  ? timer_fixup_init+0x70/0x70
[  362.923781]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.928296]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.932820]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  362.937409]  ? trace_hardirqs_on+0xbd/0x310
[  362.941734]  ? kasan_check_read+0x11/0x20
[  362.945886]  ? finish_task_switch+0x1f4/0x910
[  362.950391]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.955500]  ? compat_start_thread+0x80/0x80
[  362.959932]  ? pvclock_read_flags+0x160/0x160
[  362.964425]  ? __switch_to_asm+0x34/0x70
[  362.968489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.974029]  ? check_preemption_disabled+0x48/0x280
[  362.979068]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  362.984629]  ? rcu_pm_notify+0xc0/0xc0
[  362.988522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.994066]  ? check_preemption_disabled+0x48/0x280
[  362.999091]  run_timer_softirq+0x52/0xb0
[  363.003152]  ? rcu_read_lock_sched_held+0x14f/0x180
[  363.008170]  __do_softirq+0x308/0xb7e
[  363.012006]  ? trace_hardirqs_on_caller+0xc0/0x310
[  363.016961]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  363.022063]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  363.027521]  ? schedule+0x108/0x460
[  363.031153]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  363.035925]  ? trace_hardirqs_off+0xb8/0x310
[  363.040340]  ? smpboot_thread_fn+0x68b/0xa00
[  363.044786]  ? trace_hardirqs_on+0x310/0x310
[  363.049201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.054741]  ? check_preemption_disabled+0x48/0x280
[  363.059762]  ? takeover_tasklets+0xa90/0xa90
[  363.064175]  run_ksoftirqd+0x5e/0x100
[  363.067977]  smpboot_thread_fn+0x68b/0xa00
[  363.072219]  ? sort_range+0x30/0x30
[  363.075847]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  363.080952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.086491]  ? __kthread_parkme+0xfb/0x1a0
[  363.090730]  ? sort_range+0x30/0x30
[  363.094365]  kthread+0x35a/0x440
[  363.097742]  ? kthread_stop+0x900/0x900
[  363.101724]  ret_from_fork+0x3a/0x50
[  363.105461] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  363.105467] warn_alloc_show_mem: 1 callbacks suppressed
[  363.105474] Mem-Info:
[  363.112504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  363.117887] active_anon:56065 inactive_anon:190 isolated_anon:0
[  363.117887]  active_file:11 inactive_file:12 isolated_file:0
[  363.117887]  unevictable:0 dirty:0 writeback:0 unstable:0
[  363.117887]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  363.117887]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  363.117887]  free:13773 free_pcp:518 free_cma:0
[  363.120266] Call Trace:
[  363.129679] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  363.162522]  <IRQ>
[  363.165092] 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
[  363.192586]  dump_stack+0x244/0x39d
[  363.194715] lowmem_reserve[]: 0 2818 6321 6321
[  363.220824]  ? dump_stack_print_info.cold.1+0x20/0x20
[  363.224430] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  363.229018]  warn_alloc.cold.116+0xb7/0x1bd
[  363.234178] lowmem_reserve[]: 0 0 3503 3503
[  363.261674]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  363.265971] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  363.270294]  ? lock_downgrade+0x900/0x900
[  363.275109] lowmem_reserve[]: 0 0 0 0
[  363.304098]  ? trace_hardirqs_off+0xb8/0x310
[  363.308219] 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
[  363.312020]  ? trace_hardirqs_off+0xb8/0x310
[  363.316416] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  363.329952]  __alloc_pages_slowpath+0x26e8/0x2e10
[  363.334330] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  363.349533]  ? warn_alloc+0x120/0x120
[  363.354333] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  363.369240]  ? print_usage_bug+0xc0/0xc0
[  363.373022] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  363.381843]  ? warn_alloc+0x120/0x120
[  363.385878] 266 total pagecache pages
[  363.385894] 0 pages in swap cache
[  363.394458]  ? warn_alloc+0x120/0x120
[  363.398241] Swap cache stats: add 0, delete 0, find 0/0
[  363.402030]  ? print_usage_bug+0xc0/0xc0
[  363.405461] Free swap  = 0kB
[  363.409256]  ? kvm_clock_read+0x18/0x30
[  363.414595] Total swap = 0kB
[  363.418676]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  363.421670] 1965979 pages RAM
[  363.425645]  ? print_usage_bug+0xc0/0xc0
[  363.428642] 0 pages HighMem/MovableOnly
[  363.433657]  ? __lock_acquire+0x62f/0x4c20
[  363.436742] 342854 pages reserved
[  363.440802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.444753] 0 pages cma reserved
[  363.448980]  ? should_fail+0x22d/0xd01
[  363.452480] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  363.457938]  ? __lock_acquire+0x62f/0x4c20
[  363.457956]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.457972]  ? __lock_acquire+0x62f/0x4c20
[  363.461382] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  363.465201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.471674] ksoftirqd/1 cpuset=/ mems_allowed=0
[  363.475905]  ? __lock_acquire+0x62f/0x4c20
[  363.509454]  ? should_fail+0x22d/0xd01
[  363.513354]  ? mark_held_locks+0x130/0x130
[  363.517602]  ? mark_held_locks+0x130/0x130
[  363.521861]  ? mark_held_locks+0xc7/0x130
[  363.526019]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  363.531036]  ? zap_class+0x640/0x640
[  363.534752]  ? print_usage_bug+0xc0/0xc0
[  363.538822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.544366]  ? check_preemption_disabled+0x48/0x280
[  363.549398]  ? __lock_is_held+0xb5/0x140
[  363.553468]  __alloc_pages_nodemask+0xa80/0xde0
[  363.558139]  ? zap_class+0x640/0x640
[  363.561861]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  363.566905]  ? find_held_lock+0x36/0x1c0
[  363.570979]  ? ____cache_alloc_node+0x1c7/0x1e0
[  363.575654]  ? lock_downgrade+0x900/0x900
[  363.579811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.585354]  cache_grow_begin+0xa5/0x8c0
[  363.589418]  ? do_raw_spin_unlock+0xa7/0x330
[  363.593838]  fallback_alloc+0x204/0x2e0
[  363.597822]  ____cache_alloc_node+0x1c7/0x1e0
[  363.602327]  kmem_cache_alloc_node+0xe3/0x730
[  363.606832]  ? ipv6_get_ifaddr+0x42e/0x620
[  363.611085]  __alloc_skb+0x119/0x770
[  363.614798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.620080]  ? netdev_alloc_frag+0x1f0/0x1f0
[  363.624493]  ? lock_downgrade+0x900/0x900
[  363.628663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.634202]  ? refcount_sub_and_test_checked+0x203/0x310
[  363.639660]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  363.645117]  ? addrconf_rs_timer+0x690/0x690
[  363.649566]  ndisc_alloc_skb+0x144/0x340
[  363.653645]  ndisc_send_rs+0x331/0x6e0
[  363.657546]  addrconf_rs_timer+0x314/0x690
[  363.661787]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.666034]  call_timer_fn+0x272/0x920
[  363.669926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.674163]  ? process_timeout+0x40/0x40
[  363.678235]  ? mark_held_locks+0xc7/0x130
[  363.682386]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.686892]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.691387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.695635]  ? lockdep_hardirqs_on+0x296/0x5b0
[  363.700222]  ? trace_hardirqs_on+0xbd/0x310
[  363.704547]  ? kasan_check_read+0x11/0x20
[  363.708716]  ? __run_timers+0x7da/0xc70
[  363.712694]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.717811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.722049]  __run_timers+0x7e5/0xc70
[  363.725861]  ? timer_fixup_init+0x70/0x70
[  363.730018]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  363.735039]  ? zap_class+0x640/0x640
[  363.738763]  ? print_usage_bug+0xc0/0xc0
[  363.742826]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  363.748058]  ? find_held_lock+0x36/0x1c0
[  363.752140]  ? zap_class+0x640/0x640
[  363.755864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.761409]  ? check_preemption_disabled+0x48/0x280
[  363.766440]  ? __lock_is_held+0xb5/0x140
[  363.770503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.776043]  ? check_preemption_disabled+0x48/0x280
[  363.781079]  run_timer_softirq+0x52/0xb0
[  363.785147]  ? rcu_read_lock_sched_held+0x14f/0x180
[  363.790166]  __do_softirq+0x308/0xb7e
[  363.793974]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  363.798497]  ? lock_downgrade+0x900/0x900
[  363.802655]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  363.807770]  ? pvclock_read_flags+0x160/0x160
[  363.812292]  ? lapic_next_event+0x5a/0x90
[  363.816438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.821983]  ? kvm_clock_read+0x18/0x30
[  363.825965]  ? kvm_sched_clock_read+0x9/0x20
[  363.830375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.835917]  ? check_preemption_disabled+0x48/0x280
[  363.840947]  irq_exit+0x17f/0x1c0
[  363.844403]  smp_apic_timer_interrupt+0x1cb/0x760
[  363.849245]  ? smp_reschedule_interrupt+0x109/0x650
[  363.854280]  ? smp_call_function_single_interrupt+0x650/0x650
[  363.860177]  ? interrupt_entry+0xb5/0xc0
[  363.864241]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.869260]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.874282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.879129]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.884150]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.889166]  ? task_prio+0x50/0x50
[  363.892714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.898255]  ? check_preemption_disabled+0x48/0x280
[  363.903281]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.908132]  apic_timer_interrupt+0xf/0x20
[  363.912360]  </IRQ>
[  363.914600] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  363.919800] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  363.938698] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  363.946405] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  363.953678] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  363.960945] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  363.968213] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  363.975495] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  363.982794]  retint_kernel+0x1b/0x2d
[  363.986544] RIP: 0010:dump_stack+0x358/0x39d
[  363.990952] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  364.009854] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  364.017568] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  364.024839] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  364.032106] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  364.039371] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  364.046661] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  364.053947]  ? dump_stack+0x34f/0x39d
[  364.057771]  ? dump_stack_print_info.cold.1+0x20/0x20
[  364.062968]  ? mark_held_locks+0x130/0x130
[  364.067207]  ? mark_held_locks+0x130/0x130
[  364.071453]  dump_header+0x27b/0xf72
[  364.075184]  ? pagefault_out_of_memory+0x197/0x197
[  364.080123]  ? __lock_acquire+0x62f/0x4c20
[  364.084361]  ? percpu_ref_get_many+0x240/0x240
[  364.088947]  ? print_usage_bug+0xc0/0xc0
[  364.093016]  ? zap_class+0x640/0x640
[  364.096739]  ? print_usage_bug+0xc0/0xc0
[  364.100800]  ? print_usage_bug+0xc0/0xc0
[  364.104869]  ? zap_class+0x640/0x640
[  364.108591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.114155]  ? find_held_lock+0x36/0x1c0
[  364.118244]  ? mark_held_locks+0xc7/0x130
[  364.122425]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  364.127538]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  364.132649]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  364.137237]  ? trace_hardirqs_on+0xbd/0x310
[  364.141561]  ? kasan_check_read+0x11/0x20
[  364.145712]  ? ___ratelimit+0x3b4/0x672
[  364.149693]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.154801]  ? trace_hardirqs_on+0x310/0x310
[  364.159212]  ? lock_downgrade+0x900/0x900
[  364.163389]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  364.168496]  ? ___ratelimit+0x3b9/0x672
[  364.172472]  ? idr_get_free+0xf70/0xf70
[  364.176450]  ? find_held_lock+0x36/0x1c0
[  364.180525]  oom_kill_process.cold.27+0x10/0x903
[  364.185281]  ? zap_class+0x640/0x640
[  364.188995]  ? check_preemption_disabled+0x48/0x280
[  364.194014]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  364.198942]  ? kasan_check_read+0x11/0x20
[  364.203096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.208387]  ? oom_evaluate_task+0x540/0x540
[  364.212830]  ? find_held_lock+0x36/0x1c0
[  364.216906]  ? out_of_memory+0x974/0x1430
[  364.221058]  ? lock_downgrade+0x900/0x900
[  364.225211]  ? check_preemption_disabled+0x48/0x280
[  364.230230]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  364.235158]  ? kasan_check_read+0x11/0x20
[  364.239307]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.244589]  ? rcu_softirq_qs+0x20/0x20
[  364.248591]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.254133]  ? oom_evaluate_task+0x302/0x540
[  364.258551]  out_of_memory+0xa84/0x1430
[  364.262565]  ? oom_killer_disable+0x3a0/0x3a0
[  364.267093]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  364.272028]  ? __ww_mutex_check_waiters+0x160/0x160
[  364.277064]  __alloc_pages_slowpath+0x2354/0x2e10
[  364.281939]  ? warn_alloc+0x120/0x120
[  364.285757]  ? mark_held_locks+0x130/0x130
[  364.290002]  ? find_get_entry+0xaae/0x1120
[  364.294248]  ? filemap_map_pages+0x1a20/0x1a20
[  364.298837]  ? zap_class+0x640/0x640
[  364.302559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.308101]  ? check_preemption_disabled+0x48/0x280
[  364.313117]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.318663]  ? should_fail+0x22d/0xd01
[  364.322561]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.327668]  ? zap_class+0x640/0x640
[  364.331422]  ? __lock_is_held+0xb5/0x140
[  364.335493]  ? mark_held_locks+0x130/0x130
[  364.339738]  ? lock_release+0xa00/0xa00
[  364.343716]  ? perf_trace_sched_process_exec+0x860/0x860
[  364.349170]  ? xa_load+0x2ba/0x460
[  364.352713]  ? lock_downgrade+0x900/0x900
[  364.356867]  ? __might_sleep+0x95/0x190
[  364.360857]  __alloc_pages_nodemask+0xa80/0xde0
[  364.365545]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  364.370563]  ? __page_cache_alloc+0x191/0x5c0
[  364.375058]  ? xa_load+0x2e1/0x460
[  364.378602]  ? xa_clear_mark+0x40/0x40
[  364.382502]  ? zap_class+0x640/0x640
[  364.386231]  ? zap_class+0x640/0x640
[  364.389945]  ? zap_class+0x640/0x640
[  364.393659]  ? __do_page_cache_readahead+0x663/0x810
[  364.398776]  ? find_held_lock+0x36/0x1c0
[  364.402847]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  364.408395]  alloc_pages_current+0x173/0x350
[  364.412812]  __page_cache_alloc+0x38c/0x5c0
[  364.417131]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  364.422062]  ? kasan_check_read+0x11/0x20
[  364.426208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.431488]  ? generic_perform_write+0x6a0/0x6a0
[  364.436247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.441791]  ? check_preemption_disabled+0x48/0x280
[  364.446817]  filemap_fault+0x1595/0x25f0
[  364.450903]  ? __lock_page_or_retry+0xa00/0xa00
[  364.455576]  ? mark_held_locks+0x130/0x130
[  364.459824]  ? filemap_map_pages+0xd6b/0x1a20
[  364.464325]  ? lock_downgrade+0x900/0x900
[  364.468475]  ? check_preemption_disabled+0x48/0x280
[  364.473499]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  364.478436]  ? kasan_check_read+0x11/0x20
[  364.482583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.487867]  ? rcu_softirq_qs+0x20/0x20
[  364.491862]  ? filemap_map_pages+0xd92/0x1a20
[  364.496366]  ? __lock_acquire+0x62f/0x4c20
[  364.500622]  ? find_get_entries_tag+0x1400/0x1400
[  364.505491]  ? lock_acquire+0x1ed/0x520
[  364.509465]  ? ext4_filemap_fault+0x7a/0xad
[  364.513797]  ? lock_release+0xa00/0xa00
[  364.517782]  ? perf_trace_sched_process_exec+0x860/0x860
[  364.523248]  ? print_usage_bug+0xc0/0xc0
[  364.527313]  ? print_usage_bug+0xc0/0xc0
[  364.531388]  ? down_read+0x8d/0x120
[  364.535034]  ? ext4_filemap_fault+0x7a/0xad
[  364.539385]  ? __down_interruptible+0x700/0x700
[  364.544065]  ext4_filemap_fault+0x82/0xad
[  364.548216]  __do_fault+0x100/0x6b0
[  364.552376]  ? pmd_devmap_trans_unstable+0x220/0x220
[  364.557493]  ? mark_held_locks+0x130/0x130
[  364.561741]  ? mark_held_locks+0x130/0x130
[  364.565977]  ? __might_fault+0x12b/0x1e0
[  364.570053]  ? lock_downgrade+0x900/0x900
[  364.574221]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.579767]  __handle_mm_fault+0x3ea0/0x5be0
[  364.584188]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  364.589041]  ? kasan_check_read+0x11/0x20
[  364.593208]  ? _copy_to_user+0xc8/0x110
[  364.597187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.602738]  ? zap_class+0x640/0x640
[  364.606456]  ? zap_class+0x640/0x640
[  364.610177]  ? find_held_lock+0x36/0x1c0
[  364.614250]  ? handle_mm_fault+0x42a/0xc70
[  364.618487]  ? lock_downgrade+0x900/0x900
[  364.622642]  ? check_preemption_disabled+0x48/0x280
[  364.627666]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  364.632598]  ? kasan_check_read+0x11/0x20
[  364.636753]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.642034]  ? rcu_softirq_qs+0x20/0x20
[  364.646010]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.651133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.656673]  ? check_preemption_disabled+0x48/0x280
[  364.661702]  handle_mm_fault+0x54f/0xc70
[  364.665770]  ? __handle_mm_fault+0x5be0/0x5be0
[  364.670359]  ? find_vma+0x34/0x190
[  364.673913]  __do_page_fault+0x5e8/0xe60
[  364.677979]  ? trace_hardirqs_off+0xb8/0x310
[  364.682590]  do_page_fault+0xf2/0x7e0
[  364.686400]  ? vmalloc_sync_all+0x30/0x30
[  364.690565]  ? error_entry+0x70/0xd0
[  364.694281]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.699297]  ? trace_hardirqs_on_caller+0xc0/0x310
[  364.704227]  ? syscall_return_slowpath+0x5e0/0x5e0
[  364.709155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.714000]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.719015]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  364.724468]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  364.729490]  ? prepare_exit_to_usermode+0x291/0x3b0
[  364.734511]  ? page_fault+0x8/0x30
[  364.738061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.742916]  ? page_fault+0x8/0x30
[  364.746464]  page_fault+0x1e/0x30
[  364.749915] RIP: 0033:0x4375fe
[  364.753123] Code: Bad RIP value.
[  364.756485] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  364.761846] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  364.769122] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  364.776423] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  364.783693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  364.790962] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  364.798489] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  364.798571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  364.805451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  364.805456] Call Trace:
[  364.805478]  dump_stack+0x244/0x39d
[  364.805499]  ? dump_stack_print_info.cold.1+0x20/0x20
[  364.812026] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.821331]  warn_alloc.cold.116+0xb7/0x1bd
[  364.823890] syz-fuzzer cpuset=/ mems_allowed=0
[  364.827526]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  364.856628]  ? lock_downgrade+0x900/0x900
[  364.860791]  ? trace_hardirqs_off+0xb8/0x310
[  364.865210]  ? trace_hardirqs_off+0xb8/0x310
[  364.869636]  __alloc_pages_slowpath+0x26e8/0x2e10
[  364.874514]  ? warn_alloc+0x120/0x120
[  364.878320]  ? print_usage_bug+0xc0/0xc0
[  364.882390]  ? warn_alloc+0x120/0x120
[  364.886200]  ? warn_alloc+0x120/0x120
[  364.890007]  ? print_usage_bug+0xc0/0xc0
[  364.894076]  ? print_usage_bug+0xc0/0xc0
[  364.898140]  ? __lock_acquire+0x62f/0x4c20
[  364.902389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.907928]  ? should_fail+0x22d/0xd01
[  364.911866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.916973]  ? __lock_acquire+0x62f/0x4c20
[  364.921214]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.926316]  ? __lock_acquire+0x62f/0x4c20
[  364.930549]  ? should_fail+0x22d/0xd01
[  364.934442]  ? find_held_lock+0x36/0x1c0
[  364.938532]  ? mark_held_locks+0x130/0x130
[  364.942781]  ? mark_held_locks+0x130/0x130
[  364.947018]  ? zap_class+0x640/0x640
[  364.950744]  ? zap_class+0x640/0x640
[  364.954462]  ? print_usage_bug+0xc0/0xc0
[  364.958523]  ? do_raw_spin_unlock+0xa7/0x330
[  364.962935]  ? zap_class+0x640/0x640
[  364.966657]  ? print_usage_bug+0xc0/0xc0
[  364.970726]  ? wq_watchdog_touch+0x9c/0xfe
[  364.974970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.980513]  ? check_preemption_disabled+0x48/0x280
[  364.985543]  ? __lock_is_held+0xb5/0x140
[  364.989625]  __alloc_pages_nodemask+0xa80/0xde0
[  364.994300]  ? zap_class+0x640/0x640
[  364.998025]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  365.003058]  ? find_held_lock+0x36/0x1c0
[  365.007135]  ? ____cache_alloc_node+0x1c7/0x1e0
[  365.011808]  ? lock_downgrade+0x900/0x900
[  365.015966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.021516]  cache_grow_begin+0xa5/0x8c0
[  365.025583]  ? do_raw_spin_unlock+0xa7/0x330
[  365.030013]  fallback_alloc+0x204/0x2e0
[  365.034001]  ____cache_alloc_node+0x1c7/0x1e0
[  365.038508]  kmem_cache_alloc_node+0xe3/0x730
[  365.043008]  ? ipv6_get_ifaddr+0x42e/0x620
[  365.047260]  __alloc_skb+0x119/0x770
[  365.050976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.056258]  ? netdev_alloc_frag+0x1f0/0x1f0
[  365.060669]  ? lock_downgrade+0x900/0x900
[  365.064828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.070371]  ? refcount_sub_and_test_checked+0x203/0x310
[  365.075831]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  365.081286]  ? addrconf_rs_timer+0x690/0x690
[  365.085710]  ndisc_alloc_skb+0x144/0x340
[  365.089781]  ndisc_send_rs+0x331/0x6e0
[  365.093676]  addrconf_rs_timer+0x314/0x690
[  365.097919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.102169]  call_timer_fn+0x272/0x920
[  365.106058]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.110294]  ? process_timeout+0x40/0x40
[  365.114368]  ? __run_timers+0x7da/0xc70
[  365.118356]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.122856]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.127355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.131598]  ? lockdep_hardirqs_on+0x296/0x5b0
[  365.136214]  ? trace_hardirqs_on+0xbd/0x310
[  365.140537]  ? kasan_check_read+0x11/0x20
[  365.144684]  ? __run_timers+0x7da/0xc70
[  365.148662]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.153770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.158043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.162277]  __run_timers+0x7e5/0xc70
[  365.166094]  ? timer_fixup_init+0x70/0x70
[  365.170245]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.174740]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.179245]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  365.183831]  ? trace_hardirqs_on+0xbd/0x310
[  365.188153]  ? kasan_check_read+0x11/0x20
[  365.192306]  ? finish_task_switch+0x1f4/0x910
[  365.196811]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.201917]  ? compat_start_thread+0x80/0x80
[  365.206400]  ? pvclock_read_flags+0x160/0x160
[  365.210898]  ? __switch_to_asm+0x34/0x70
[  365.214967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.220527]  ? check_preemption_disabled+0x48/0x280
[  365.225555]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  365.231097]  ? rcu_pm_notify+0xc0/0xc0
[  365.235028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.240569]  ? check_preemption_disabled+0x48/0x280
[  365.245593]  run_timer_softirq+0x52/0xb0
[  365.249664]  ? rcu_read_lock_sched_held+0x14f/0x180
[  365.254685]  __do_softirq+0x308/0xb7e
[  365.258492]  ? trace_hardirqs_on_caller+0xc0/0x310
[  365.263431]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  365.268535]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  365.273994]  ? schedule+0x108/0x460
[  365.277631]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  365.282403]  ? trace_hardirqs_off+0xb8/0x310
[  365.286819]  ? smpboot_thread_fn+0x68b/0xa00
[  365.291233]  ? trace_hardirqs_on+0x310/0x310
[  365.295654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.301193]  ? check_preemption_disabled+0x48/0x280
[  365.306215]  ? takeover_tasklets+0xa90/0xa90
[  365.310637]  run_ksoftirqd+0x5e/0x100
[  365.314440]  smpboot_thread_fn+0x68b/0xa00
[  365.318681]  ? sort_range+0x30/0x30
[  365.322314]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  365.327418]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.332959]  ? __kthread_parkme+0xfb/0x1a0
[  365.337199]  ? sort_range+0x30/0x30
[  365.340826]  kthread+0x35a/0x440
[  365.344197]  ? kthread_stop+0x900/0x900
[  365.348175]  ret_from_fork+0x3a/0x50
[  365.351916] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  365.351922] warn_alloc_show_mem: 1 callbacks suppressed
[  365.351929] Mem-Info:
[  365.358943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.364337] active_anon:56065 inactive_anon:190 isolated_anon:0
[  365.364337]  active_file:11 inactive_file:12 isolated_file:0
[  365.364337]  unevictable:0 dirty:0 writeback:0 unstable:0
[  365.364337]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  365.364337]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  365.364337]  free:13773 free_pcp:518 free_cma:0
[  365.366711] Call Trace:
[  365.376100] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  365.408941]  <IRQ>
[  365.411515] 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
[  365.439020]  dump_stack+0x244/0x39d
[  365.441144] lowmem_reserve[]: 0 2818 6321 6321
[  365.467250]  ? dump_stack_print_info.cold.1+0x20/0x20
[  365.470854] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  365.475443]  warn_alloc.cold.116+0xb7/0x1bd
[  365.480599] lowmem_reserve[]: 0 0 3503 3503
[  365.508103]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  365.512401] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  365.516728]  ? lock_downgrade+0x900/0x900
[  365.521542] lowmem_reserve[]: 0 0 0 0
[  365.550520]  ? trace_hardirqs_off+0xb8/0x310
[  365.554647] 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
[  365.558444]  ? trace_hardirqs_off+0xb8/0x310
[  365.562824] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  365.576365]  __alloc_pages_slowpath+0x26e8/0x2e10
[  365.580750] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  365.595943]  ? warn_alloc+0x120/0x120
[  365.600743] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  365.615651]  ? print_usage_bug+0xc0/0xc0
[  365.619431] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  365.628255]  ? warn_alloc+0x120/0x120
[  365.632294] 266 total pagecache pages
[  365.640862]  ? warn_alloc+0x120/0x120
[  365.644649] 0 pages in swap cache
[  365.648436]  ? print_usage_bug+0xc0/0xc0
[  365.652216] Swap cache stats: add 0, delete 0, find 0/0
[  365.655659]  ? print_usage_bug+0xc0/0xc0
[  365.659696] Free swap  = 0kB
[  365.665050]  ? __lock_acquire+0x62f/0x4c20
[  365.669088] Total swap = 0kB
[  365.672104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.676309] 1965979 pages RAM
[  365.679325]  ? should_fail+0x22d/0xd01
[  365.684838] 0 pages HighMem/MovableOnly
[  365.687943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.691811] 342854 pages reserved
[  365.695780]  ? __lock_acquire+0x62f/0x4c20
[  365.700858] 0 pages cma reserved
[  365.704356]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.708678] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  365.711965]  ? __lock_acquire+0x62f/0x4c20
[  365.711982]  ? should_fail+0x22d/0xd01
[  365.717149] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  365.723554]  ? find_held_lock+0x36/0x1c0
[  365.727766] ksoftirqd/1 cpuset=/ mems_allowed=0
[  365.731661]  ? mark_held_locks+0x130/0x130
[  365.754890]  ? mark_held_locks+0x130/0x130
[  365.759155]  ? zap_class+0x640/0x640
[  365.762879]  ? zap_class+0x640/0x640
[  365.766598]  ? print_usage_bug+0xc0/0xc0
[  365.770669]  ? do_raw_spin_unlock+0xa7/0x330
[  365.775106]  ? zap_class+0x640/0x640
[  365.778819]  ? print_usage_bug+0xc0/0xc0
[  365.782886]  ? wq_watchdog_touch+0x9c/0xfe
[  365.787127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.792667]  ? check_preemption_disabled+0x48/0x280
[  365.797721]  ? __lock_is_held+0xb5/0x140
[  365.801794]  __alloc_pages_nodemask+0xa80/0xde0
[  365.806465]  ? zap_class+0x640/0x640
[  365.810190]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  365.815221]  ? find_held_lock+0x36/0x1c0
[  365.819295]  ? ____cache_alloc_node+0x1c7/0x1e0
[  365.823976]  ? lock_downgrade+0x900/0x900
[  365.828134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.833677]  cache_grow_begin+0xa5/0x8c0
[  365.837742]  ? do_raw_spin_unlock+0xa7/0x330
[  365.842161]  fallback_alloc+0x204/0x2e0
[  365.846149]  ____cache_alloc_node+0x1c7/0x1e0
[  365.850657]  kmem_cache_alloc_node+0xe3/0x730
[  365.855155]  ? ipv6_get_ifaddr+0x42e/0x620
[  365.859401]  __alloc_skb+0x119/0x770
[  365.863119]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.868401]  ? netdev_alloc_frag+0x1f0/0x1f0
[  365.872811]  ? lock_downgrade+0x900/0x900
[  365.876969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.882512]  ? refcount_sub_and_test_checked+0x203/0x310
[  365.887967]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  365.893421]  ? addrconf_rs_timer+0x690/0x690
[  365.897847]  ndisc_alloc_skb+0x144/0x340
[  365.901918]  ndisc_send_rs+0x331/0x6e0
[  365.905819]  addrconf_rs_timer+0x314/0x690
[  365.910062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.914330]  call_timer_fn+0x272/0x920
[  365.918230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.922479]  ? process_timeout+0x40/0x40
[  365.926561]  ? mark_held_locks+0xc7/0x130
[  365.930717]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.935215]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.939712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.943948]  ? lockdep_hardirqs_on+0x296/0x5b0
[  365.948535]  ? trace_hardirqs_on+0xbd/0x310
[  365.952858]  ? kasan_check_read+0x11/0x20
[  365.957009]  ? __run_timers+0x7da/0xc70
[  365.961004]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.966117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.970360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.974636]  __run_timers+0x7e5/0xc70
[  365.978468]  ? timer_fixup_init+0x70/0x70
[  365.982627]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  365.987652]  ? zap_class+0x640/0x640
[  365.991375]  ? print_usage_bug+0xc0/0xc0
[  365.995441]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  366.000650]  ? find_held_lock+0x36/0x1c0
[  366.004724]  ? zap_class+0x640/0x640
[  366.008446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.013986]  ? check_preemption_disabled+0x48/0x280
[  366.019013]  ? __lock_is_held+0xb5/0x140
[  366.023077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.028631]  ? check_preemption_disabled+0x48/0x280
[  366.033656]  run_timer_softirq+0x52/0xb0
[  366.037722]  ? rcu_read_lock_sched_held+0x14f/0x180
[  366.042744]  __do_softirq+0x308/0xb7e
[  366.046555]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  366.051050]  ? lock_downgrade+0x900/0x900
[  366.055208]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  366.060322]  ? pvclock_read_flags+0x160/0x160
[  366.064823]  ? lapic_next_event+0x5a/0x90
[  366.068974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.074517]  ? kvm_clock_read+0x18/0x30
[  366.078497]  ? kvm_sched_clock_read+0x9/0x20
[  366.082916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.088472]  ? check_preemption_disabled+0x48/0x280
[  366.093530]  irq_exit+0x17f/0x1c0
[  366.096988]  smp_apic_timer_interrupt+0x1cb/0x760
[  366.101832]  ? smp_reschedule_interrupt+0x109/0x650
[  366.106851]  ? smp_call_function_single_interrupt+0x650/0x650
[  366.112741]  ? interrupt_entry+0xb5/0xc0
[  366.116805]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.121822]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.126839]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.131686]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.136704]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.141726]  ? task_prio+0x50/0x50
[  366.145272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.150813]  ? check_preemption_disabled+0x48/0x280
[  366.155841]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.160698]  apic_timer_interrupt+0xf/0x20
[  366.164931]  </IRQ>
[  366.167172] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  366.172365] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  366.191282] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  366.199001] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  366.206268] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  366.213536] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  366.220803] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  366.228073] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  366.235376]  retint_kernel+0x1b/0x2d
[  366.239092] RIP: 0010:dump_stack+0x358/0x39d
[  366.243503] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  366.262402] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  366.270108] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  366.277375] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  366.284677] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  366.291945] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  366.299213] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  366.306503]  ? dump_stack+0x34f/0x39d
[  366.310320]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.315515]  ? mark_held_locks+0x130/0x130
[  366.319754]  ? mark_held_locks+0x130/0x130
[  366.323999]  dump_header+0x27b/0xf72
[  366.327748]  ? pagefault_out_of_memory+0x197/0x197
[  366.332690]  ? __lock_acquire+0x62f/0x4c20
[  366.336932]  ? percpu_ref_get_many+0x240/0x240
[  366.341517]  ? print_usage_bug+0xc0/0xc0
[  366.345589]  ? zap_class+0x640/0x640
[  366.349318]  ? print_usage_bug+0xc0/0xc0
[  366.353381]  ? print_usage_bug+0xc0/0xc0
[  366.357448]  ? zap_class+0x640/0x640
[  366.361172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.366716]  ? find_held_lock+0x36/0x1c0
[  366.370792]  ? mark_held_locks+0xc7/0x130
[  366.374947]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  366.380049]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  366.385154]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  366.389742]  ? trace_hardirqs_on+0xbd/0x310
[  366.394063]  ? kasan_check_read+0x11/0x20
[  366.398214]  ? ___ratelimit+0x3b4/0x672
[  366.402190]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.407294]  ? trace_hardirqs_on+0x310/0x310
[  366.411705]  ? lock_downgrade+0x900/0x900
[  366.415861]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  366.420968]  ? ___ratelimit+0x3b9/0x672
[  366.424948]  ? idr_get_free+0xf70/0xf70
[  366.428923]  ? find_held_lock+0x36/0x1c0
[  366.432995]  oom_kill_process.cold.27+0x10/0x903
[  366.437754]  ? zap_class+0x640/0x640
[  366.441475]  ? check_preemption_disabled+0x48/0x280
[  366.446498]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.451433]  ? kasan_check_read+0x11/0x20
[  366.455585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.460880]  ? oom_evaluate_task+0x540/0x540
[  366.465302]  ? find_held_lock+0x36/0x1c0
[  366.469372]  ? out_of_memory+0x974/0x1430
[  366.473522]  ? lock_downgrade+0x900/0x900
[  366.477671]  ? check_preemption_disabled+0x48/0x280
[  366.482698]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.487635]  ? kasan_check_read+0x11/0x20
[  366.491786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.497065]  ? rcu_softirq_qs+0x20/0x20
[  366.501051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.506591]  ? oom_evaluate_task+0x302/0x540
[  366.511014]  out_of_memory+0xa84/0x1430
[  366.515017]  ? oom_killer_disable+0x3a0/0x3a0
[  366.519532]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  366.524470]  ? __ww_mutex_check_waiters+0x160/0x160
[  366.529505]  __alloc_pages_slowpath+0x2354/0x2e10
[  366.534394]  ? warn_alloc+0x120/0x120
[  366.538208]  ? mark_held_locks+0x130/0x130
[  366.542463]  ? find_get_entry+0xaae/0x1120
[  366.546713]  ? filemap_map_pages+0x1a20/0x1a20
[  366.551520]  ? zap_class+0x640/0x640
[  366.555247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.560791]  ? check_preemption_disabled+0x48/0x280
[  366.565811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.571349]  ? should_fail+0x22d/0xd01
[  366.575243]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.580349]  ? zap_class+0x640/0x640
[  366.584093]  ? __lock_is_held+0xb5/0x140
[  366.588164]  ? mark_held_locks+0x130/0x130
[  366.592407]  ? lock_release+0xa00/0xa00
[  366.596386]  ? perf_trace_sched_process_exec+0x860/0x860
[  366.601844]  ? xa_load+0x2ba/0x460
[  366.605396]  ? lock_downgrade+0x900/0x900
[  366.609566]  ? __might_sleep+0x95/0x190
[  366.613549]  __alloc_pages_nodemask+0xa80/0xde0
[  366.618235]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  366.623257]  ? __page_cache_alloc+0x191/0x5c0
[  366.627751]  ? xa_load+0x2e1/0x460
[  366.631295]  ? xa_clear_mark+0x40/0x40
[  366.635186]  ? zap_class+0x640/0x640
[  366.638918]  ? zap_class+0x640/0x640
[  366.642642]  ? zap_class+0x640/0x640
[  366.646362]  ? __do_page_cache_readahead+0x663/0x810
[  366.651475]  ? find_held_lock+0x36/0x1c0
[  366.655541]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  366.661087]  alloc_pages_current+0x173/0x350
[  366.665512]  __page_cache_alloc+0x38c/0x5c0
[  366.669836]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.674768]  ? kasan_check_read+0x11/0x20
[  366.678921]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.684460]  ? generic_perform_write+0x6a0/0x6a0
[  366.689218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.694765]  ? check_preemption_disabled+0x48/0x280
[  366.699794]  filemap_fault+0x1595/0x25f0
[  366.703874]  ? __lock_page_or_retry+0xa00/0xa00
[  366.708553]  ? mark_held_locks+0x130/0x130
[  366.712806]  ? filemap_map_pages+0xd6b/0x1a20
[  366.717307]  ? lock_downgrade+0x900/0x900
[  366.721459]  ? check_preemption_disabled+0x48/0x280
[  366.726479]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.731407]  ? kasan_check_read+0x11/0x20
[  366.735554]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.740838]  ? rcu_softirq_qs+0x20/0x20
[  366.744827]  ? filemap_map_pages+0xd92/0x1a20
[  366.749327]  ? __lock_acquire+0x62f/0x4c20
[  366.753571]  ? find_get_entries_tag+0x1400/0x1400
[  366.758439]  ? lock_acquire+0x1ed/0x520
[  366.762453]  ? ext4_filemap_fault+0x7a/0xad
[  366.766785]  ? lock_release+0xa00/0xa00
[  366.770764]  ? perf_trace_sched_process_exec+0x860/0x860
[  366.776220]  ? print_usage_bug+0xc0/0xc0
[  366.780316]  ? print_usage_bug+0xc0/0xc0
[  366.784392]  ? down_read+0x8d/0x120
[  366.788021]  ? ext4_filemap_fault+0x7a/0xad
[  366.792347]  ? __down_interruptible+0x700/0x700
[  366.797030]  ext4_filemap_fault+0x82/0xad
[  366.801186]  __do_fault+0x100/0x6b0
[  366.804817]  ? pmd_devmap_trans_unstable+0x220/0x220
[  366.809930]  ? mark_held_locks+0x130/0x130
[  366.814170]  ? mark_held_locks+0x130/0x130
[  366.818405]  ? __might_fault+0x12b/0x1e0
[  366.822470]  ? lock_downgrade+0x900/0x900
[  366.826637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.832182]  __handle_mm_fault+0x3ea0/0x5be0
[  366.836658]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  366.841510]  ? kasan_check_read+0x11/0x20
[  366.845665]  ? _copy_to_user+0xc8/0x110
[  366.849650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.855206]  ? zap_class+0x640/0x640
[  366.858920]  ? zap_class+0x640/0x640
[  366.862648]  ? find_held_lock+0x36/0x1c0
[  366.866721]  ? handle_mm_fault+0x42a/0xc70
[  366.870961]  ? lock_downgrade+0x900/0x900
[  366.875112]  ? check_preemption_disabled+0x48/0x280
[  366.880134]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.885065]  ? kasan_check_read+0x11/0x20
[  366.889216]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.894505]  ? rcu_softirq_qs+0x20/0x20
[  366.898481]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.903637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.909198]  ? check_preemption_disabled+0x48/0x280
[  366.914225]  handle_mm_fault+0x54f/0xc70
[  366.918297]  ? __handle_mm_fault+0x5be0/0x5be0
[  366.922893]  ? find_vma+0x34/0x190
[  366.926440]  __do_page_fault+0x5e8/0xe60
[  366.930505]  ? trace_hardirqs_off+0xb8/0x310
[  366.934925]  do_page_fault+0xf2/0x7e0
[  366.938727]  ? vmalloc_sync_all+0x30/0x30
[  366.942917]  ? error_entry+0x70/0xd0
[  366.946654]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.951687]  ? trace_hardirqs_on_caller+0xc0/0x310
[  366.956626]  ? syscall_return_slowpath+0x5e0/0x5e0
[  366.961576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.966418]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.971435]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  366.976892]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  366.981912]  ? prepare_exit_to_usermode+0x291/0x3b0
[  366.986932]  ? page_fault+0x8/0x30
[  366.990480]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.995326]  ? page_fault+0x8/0x30
[  366.998869]  page_fault+0x1e/0x30
[  367.002327] RIP: 0033:0x4375fe
[  367.005529] Code: Bad RIP value.
[  367.008928] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  367.014318] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  367.021609] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  367.028918] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  367.036188] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  367.043458] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  367.050755] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  367.050839] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.057687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.057692] Call Trace:
[  367.057713]  dump_stack+0x244/0x39d
[  367.057733]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.064293] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.073566]  warn_alloc.cold.116+0xb7/0x1bd
[  367.076119] syz-fuzzer cpuset=/ mems_allowed=0
[  367.079740]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.108824]  ? lock_downgrade+0x900/0x900
[  367.112985]  ? trace_hardirqs_off+0xb8/0x310
[  367.117406]  ? trace_hardirqs_off+0xb8/0x310
[  367.121825]  __alloc_pages_slowpath+0x26e8/0x2e10
[  367.126704]  ? warn_alloc+0x120/0x120
[  367.130514]  ? print_usage_bug+0xc0/0xc0
[  367.134577]  ? warn_alloc+0x120/0x120
[  367.138394]  ? warn_alloc+0x120/0x120
[  367.142197]  ? print_usage_bug+0xc0/0xc0
[  367.146265]  ? print_usage_bug+0xc0/0xc0
[  367.150331]  ? __lock_acquire+0x62f/0x4c20
[  367.154575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.160131]  ? should_fail+0x22d/0xd01
[  367.164057]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.169174]  ? __lock_acquire+0x62f/0x4c20
[  367.173415]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.178522]  ? __lock_acquire+0x62f/0x4c20
[  367.182756]  ? should_fail+0x22d/0xd01
[  367.186655]  ? find_held_lock+0x36/0x1c0
[  367.190729]  ? mark_held_locks+0x130/0x130
[  367.194970]  ? mark_held_locks+0x130/0x130
[  367.199211]  ? zap_class+0x640/0x640
[  367.202944]  ? mark_held_locks+0xc7/0x130
[  367.207091]  ? do_raw_spin_unlock+0xa7/0x330
[  367.211503]  ? zap_class+0x640/0x640
[  367.215219]  ? print_usage_bug+0xc0/0xc0
[  367.219287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.224827]  ? check_preemption_disabled+0x48/0x280
[  367.229855]  ? __lock_is_held+0xb5/0x140
[  367.233924]  __alloc_pages_nodemask+0xa80/0xde0
[  367.238597]  ? zap_class+0x640/0x640
[  367.242327]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  367.247358]  ? find_held_lock+0x36/0x1c0
[  367.251441]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.256115]  ? lock_downgrade+0x900/0x900
[  367.260273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.265817]  cache_grow_begin+0xa5/0x8c0
[  367.269882]  ? do_raw_spin_unlock+0xa7/0x330
[  367.274317]  fallback_alloc+0x204/0x2e0
[  367.278300]  ____cache_alloc_node+0x1c7/0x1e0
[  367.282806]  kmem_cache_alloc_node+0xe3/0x730
[  367.287302]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.291551]  __alloc_skb+0x119/0x770
[  367.295284]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.300566]  ? netdev_alloc_frag+0x1f0/0x1f0
[  367.304981]  ? lock_downgrade+0x900/0x900
[  367.309141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.314681]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.320157]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.325610]  ? addrconf_rs_timer+0x690/0x690
[  367.330047]  ndisc_alloc_skb+0x144/0x340
[  367.334115]  ndisc_send_rs+0x331/0x6e0
[  367.338007]  addrconf_rs_timer+0x314/0x690
[  367.342252]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.346501]  call_timer_fn+0x272/0x920
[  367.350404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.354648]  ? process_timeout+0x40/0x40
[  367.358727]  ? __run_timers+0x7da/0xc70
[  367.362705]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.367201]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.371697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.375938]  ? lockdep_hardirqs_on+0x296/0x5b0
[  367.380528]  ? trace_hardirqs_on+0xbd/0x310
[  367.384851]  ? kasan_check_read+0x11/0x20
[  367.389003]  ? __run_timers+0x7da/0xc70
[  367.393009]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.398137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.402399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.406645]  __run_timers+0x7e5/0xc70
[  367.410456]  ? timer_fixup_init+0x70/0x70
[  367.414630]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.419157]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.423654]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  367.428243]  ? trace_hardirqs_on+0xbd/0x310
[  367.432564]  ? kasan_check_read+0x11/0x20
[  367.436718]  ? finish_task_switch+0x1f4/0x910
[  367.441217]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.446325]  ? compat_start_thread+0x80/0x80
[  367.450763]  ? pvclock_read_flags+0x160/0x160
[  367.455260]  ? __switch_to_asm+0x34/0x70
[  367.459345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.464907]  ? check_preemption_disabled+0x48/0x280
[  367.469938]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  367.475483]  ? rcu_pm_notify+0xc0/0xc0
[  367.479372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.484917]  ? check_preemption_disabled+0x48/0x280
[  367.489960]  run_timer_softirq+0x52/0xb0
[  367.494024]  ? rcu_read_lock_sched_held+0x14f/0x180
[  367.499044]  __do_softirq+0x308/0xb7e
[  367.502852]  ? trace_hardirqs_on_caller+0xc0/0x310
[  367.507788]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  367.512893]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  367.518353]  ? schedule+0x108/0x460
[  367.522002]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  367.526769]  ? trace_hardirqs_off+0xb8/0x310
[  367.531189]  ? smpboot_thread_fn+0x68b/0xa00
[  367.535607]  ? trace_hardirqs_on+0x310/0x310
[  367.540028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.545568]  ? check_preemption_disabled+0x48/0x280
[  367.550937]  ? takeover_tasklets+0xa90/0xa90
[  367.555353]  run_ksoftirqd+0x5e/0x100
[  367.559161]  smpboot_thread_fn+0x68b/0xa00
[  367.563407]  ? sort_range+0x30/0x30
[  367.567044]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  367.572151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.577692]  ? __kthread_parkme+0xfb/0x1a0
[  367.581933]  ? sort_range+0x30/0x30
[  367.585580]  kthread+0x35a/0x440
[  367.588985]  ? kthread_stop+0x900/0x900
[  367.592961]  ret_from_fork+0x3a/0x50
[  367.596716] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  367.596722] warn_alloc_show_mem: 1 callbacks suppressed
[  367.596729] Mem-Info:
[  367.603745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.609106] active_anon:56065 inactive_anon:190 isolated_anon:0
[  367.609106]  active_file:11 inactive_file:12 isolated_file:0
[  367.609106]  unevictable:0 dirty:0 writeback:0 unstable:0
[  367.609106]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  367.609106]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  367.609106]  free:13773 free_pcp:518 free_cma:0
[  367.611481] Call Trace:
[  367.620870] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  367.653709]  <IRQ>
[  367.656278] 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
[  367.683779]  dump_stack+0x244/0x39d
[  367.685905] lowmem_reserve[]: 0 2818 6321 6321
[  367.712028]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.715640] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  367.720226]  warn_alloc.cold.116+0xb7/0x1bd
[  367.725398] lowmem_reserve[]: 0 0 3503 3503
[  367.752892]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.757201] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  367.761519]  ? lock_downgrade+0x900/0x900
[  367.766332] lowmem_reserve[]: 0 0 0 0
[  367.795305]  ? trace_hardirqs_off+0xb8/0x310
[  367.799425] 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
[  367.803221]  ? trace_hardirqs_off+0xb8/0x310
[  367.807604] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  367.821140]  __alloc_pages_slowpath+0x26e8/0x2e10
[  367.826028] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  367.841230]  ? warn_alloc+0x120/0x120
[  367.846036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  367.862065]  ? print_usage_bug+0xc0/0xc0
[  367.865849] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  367.874675]  ? warn_alloc+0x120/0x120
[  367.878714] 266 total pagecache pages
[  367.887288]  ? warn_alloc+0x120/0x120
[  367.891068] 0 pages in swap cache
[  367.894856]  ? print_usage_bug+0xc0/0xc0
[  367.898638] Swap cache stats: add 0, delete 0, find 0/0
[  367.902083]  ? kvm_clock_read+0x18/0x30
[  367.906123] Free swap  = 0kB
[  367.911480]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  367.915427] Total swap = 0kB
[  367.918441]  ? print_usage_bug+0xc0/0xc0
[  367.923432] 1965979 pages RAM
[  367.926448]  ? __lock_acquire+0x62f/0x4c20
[  367.930486] 0 pages HighMem/MovableOnly
[  367.933586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.937795] 342854 pages reserved
[  367.941767]  ? should_fail+0x22d/0xd01
[  367.947277] 0 pages cma reserved
[  367.950726]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.954685] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.957973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.963320] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.969716]  ? __lock_acquire+0x62f/0x4c20
[  367.974798] ksoftirqd/1 cpuset=/ mems_allowed=0
[  367.985107]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.999062]  ? __lock_acquire+0x62f/0x4c20
[  368.003295]  ? should_fail+0x22d/0xd01
[  368.007181]  ? rcu_irq_exit+0x1a2/0x390
[  368.011171]  ? mark_held_locks+0x130/0x130
[  368.015410]  ? mark_held_locks+0x130/0x130
[  368.019657]  ? mark_held_locks+0xc7/0x130
[  368.023806]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  368.028826]  ? zap_class+0x640/0x640
[  368.032545]  ? print_usage_bug+0xc0/0xc0
[  368.036610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.042163]  ? check_preemption_disabled+0x48/0x280
[  368.047194]  ? __lock_is_held+0xb5/0x140
[  368.051263]  __alloc_pages_nodemask+0xa80/0xde0
[  368.055936]  ? zap_class+0x640/0x640
[  368.059658]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  368.064694]  ? find_held_lock+0x36/0x1c0
[  368.068769]  ? ____cache_alloc_node+0x1c7/0x1e0
[  368.073456]  ? lock_downgrade+0x900/0x900
[  368.077637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.083181]  cache_grow_begin+0xa5/0x8c0
[  368.087242]  ? do_raw_spin_unlock+0xa7/0x330
[  368.091673]  fallback_alloc+0x204/0x2e0
[  368.095676]  ____cache_alloc_node+0x1c7/0x1e0
[  368.100177]  kmem_cache_alloc_node+0xe3/0x730
[  368.104678]  ? ipv6_get_ifaddr+0x42e/0x620
[  368.108926]  __alloc_skb+0x119/0x770
[  368.112645]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.117933]  ? netdev_alloc_frag+0x1f0/0x1f0
[  368.122344]  ? lock_downgrade+0x900/0x900
[  368.126499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.132040]  ? refcount_sub_and_test_checked+0x203/0x310
[  368.137495]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  368.142945]  ? addrconf_rs_timer+0x690/0x690
[  368.147371]  ndisc_alloc_skb+0x144/0x340
[  368.151438]  ndisc_send_rs+0x331/0x6e0
[  368.155331]  addrconf_rs_timer+0x314/0x690
[  368.159574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.163819]  call_timer_fn+0x272/0x920
[  368.167714]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.171964]  ? process_timeout+0x40/0x40
[  368.176058]  ? mark_held_locks+0xc7/0x130
[  368.180207]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.184714]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.189204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.193445]  ? lockdep_hardirqs_on+0x296/0x5b0
[  368.198047]  ? trace_hardirqs_on+0xbd/0x310
[  368.202368]  ? kasan_check_read+0x11/0x20
[  368.206532]  ? __run_timers+0x7da/0xc70
[  368.210507]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.215624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.219869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.224113]  __run_timers+0x7e5/0xc70
[  368.227925]  ? timer_fixup_init+0x70/0x70
[  368.232079]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  368.237092]  ? zap_class+0x640/0x640
[  368.240808]  ? print_usage_bug+0xc0/0xc0
[  368.244923]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  368.250141]  ? find_held_lock+0x36/0x1c0
[  368.254212]  ? zap_class+0x640/0x640
[  368.257933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.263476]  ? check_preemption_disabled+0x48/0x280
[  368.268504]  ? __lock_is_held+0xb5/0x140
[  368.272571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.278126]  ? check_preemption_disabled+0x48/0x280
[  368.283166]  run_timer_softirq+0x52/0xb0
[  368.287231]  ? rcu_read_lock_sched_held+0x14f/0x180
[  368.292247]  __do_softirq+0x308/0xb7e
[  368.296055]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  368.300549]  ? lock_downgrade+0x900/0x900
[  368.304702]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  368.309813]  ? pvclock_read_flags+0x160/0x160
[  368.314316]  ? lapic_next_event+0x5a/0x90
[  368.318471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.324018]  ? kvm_clock_read+0x18/0x30
[  368.327990]  ? kvm_sched_clock_read+0x9/0x20
[  368.332414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.337966]  ? check_preemption_disabled+0x48/0x280
[  368.342996]  irq_exit+0x17f/0x1c0
[  368.346465]  smp_apic_timer_interrupt+0x1cb/0x760
[  368.351321]  ? smp_reschedule_interrupt+0x109/0x650
[  368.356356]  ? smp_call_function_single_interrupt+0x650/0x650
[  368.362239]  ? interrupt_entry+0xb5/0xc0
[  368.366308]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.371325]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.376346]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.381195]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.386210]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.391238]  ? task_prio+0x50/0x50
[  368.394795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.400343]  ? check_preemption_disabled+0x48/0x280
[  368.405386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.410273]  apic_timer_interrupt+0xf/0x20
[  368.414505]  </IRQ>
[  368.416744] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  368.421937] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  368.440836] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  368.448544] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  368.455809] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  368.463080] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  368.470345] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  368.477621] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  368.484925]  retint_kernel+0x1b/0x2d
[  368.488646] RIP: 0010:dump_stack+0x358/0x39d
[  368.493054] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  368.511985] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  368.519695] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  368.526966] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  368.534237] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  368.541518] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  368.548811] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  368.556303]  ? dump_stack+0x34f/0x39d
[  368.560115]  ? dump_stack_print_info.cold.1+0x20/0x20
[  368.565327]  ? mark_held_locks+0x130/0x130
[  368.569577]  ? mark_held_locks+0x130/0x130
[  368.573817]  dump_header+0x27b/0xf72
[  368.577549]  ? pagefault_out_of_memory+0x197/0x197
[  368.582502]  ? __lock_acquire+0x62f/0x4c20
[  368.586745]  ? percpu_ref_get_many+0x240/0x240
[  368.591345]  ? print_usage_bug+0xc0/0xc0
[  368.595461]  ? zap_class+0x640/0x640
[  368.599195]  ? print_usage_bug+0xc0/0xc0
[  368.603259]  ? print_usage_bug+0xc0/0xc0
[  368.607321]  ? zap_class+0x640/0x640
[  368.611040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.616585]  ? find_held_lock+0x36/0x1c0
[  368.620669]  ? mark_held_locks+0xc7/0x130
[  368.624822]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  368.629929]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  368.635034]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  368.639632]  ? trace_hardirqs_on+0xbd/0x310
[  368.643957]  ? kasan_check_read+0x11/0x20
[  368.648103]  ? ___ratelimit+0x3b4/0x672
[  368.652078]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.657187]  ? trace_hardirqs_on+0x310/0x310
[  368.661624]  ? lock_downgrade+0x900/0x900
[  368.665781]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  368.670908]  ? ___ratelimit+0x3b9/0x672
[  368.674916]  ? idr_get_free+0xf70/0xf70
[  368.678894]  ? find_held_lock+0x36/0x1c0
[  368.683120]  oom_kill_process.cold.27+0x10/0x903
[  368.687902]  ? zap_class+0x640/0x640
[  368.691629]  ? check_preemption_disabled+0x48/0x280
[  368.696655]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.701626]  ? kasan_check_read+0x11/0x20
[  368.705775]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.711057]  ? oom_evaluate_task+0x540/0x540
[  368.715473]  ? find_held_lock+0x36/0x1c0
[  368.719548]  ? out_of_memory+0x974/0x1430
[  368.723699]  ? lock_downgrade+0x900/0x900
[  368.727851]  ? check_preemption_disabled+0x48/0x280
[  368.732888]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.737820]  ? kasan_check_read+0x11/0x20
[  368.741967]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.747244]  ? rcu_softirq_qs+0x20/0x20
[  368.751226]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.756763]  ? oom_evaluate_task+0x302/0x540
[  368.761182]  out_of_memory+0xa84/0x1430
[  368.765168]  ? oom_killer_disable+0x3a0/0x3a0
[  368.769665]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  368.774604]  ? __ww_mutex_check_waiters+0x160/0x160
[  368.779691]  __alloc_pages_slowpath+0x2354/0x2e10
[  368.784560]  ? warn_alloc+0x120/0x120
[  368.788360]  ? mark_held_locks+0x130/0x130
[  368.792608]  ? find_get_entry+0xaae/0x1120
[  368.796863]  ? filemap_map_pages+0x1a20/0x1a20
[  368.801454]  ? zap_class+0x640/0x640
[  368.805188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.810729]  ? check_preemption_disabled+0x48/0x280
[  368.815753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.821290]  ? should_fail+0x22d/0xd01
[  368.825183]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.830287]  ? zap_class+0x640/0x640
[  368.834029]  ? __lock_is_held+0xb5/0x140
[  368.838102]  ? mark_held_locks+0x130/0x130
[  368.842340]  ? lock_release+0xa00/0xa00
[  368.846317]  ? perf_trace_sched_process_exec+0x860/0x860
[  368.851790]  ? xa_load+0x2ba/0x460
[  368.855401]  ? lock_downgrade+0x900/0x900
[  368.859556]  ? __might_sleep+0x95/0x190
[  368.863551]  __alloc_pages_nodemask+0xa80/0xde0
[  368.868258]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  368.873278]  ? __page_cache_alloc+0x191/0x5c0
[  368.877771]  ? xa_load+0x2e1/0x460
[  368.881319]  ? xa_clear_mark+0x40/0x40
[  368.885210]  ? zap_class+0x640/0x640
[  368.888938]  ? zap_class+0x640/0x640
[  368.892653]  ? zap_class+0x640/0x640
[  368.896409]  ? __do_page_cache_readahead+0x663/0x810
[  368.901518]  ? find_held_lock+0x36/0x1c0
[  368.905590]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  368.911143]  alloc_pages_current+0x173/0x350
[  368.915576]  __page_cache_alloc+0x38c/0x5c0
[  368.919897]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.924827]  ? kasan_check_read+0x11/0x20
[  368.928994]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.934289]  ? generic_perform_write+0x6a0/0x6a0
[  368.939089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.944637]  ? check_preemption_disabled+0x48/0x280
[  368.949666]  filemap_fault+0x1595/0x25f0
[  368.953742]  ? __lock_page_or_retry+0xa00/0xa00
[  368.958433]  ? mark_held_locks+0x130/0x130
[  368.962692]  ? filemap_map_pages+0xd6b/0x1a20
[  368.967190]  ? lock_downgrade+0x900/0x900
[  368.971343]  ? check_preemption_disabled+0x48/0x280
[  368.976361]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.981309]  ? kasan_check_read+0x11/0x20
[  368.985469]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.990761]  ? rcu_softirq_qs+0x20/0x20
[  368.994754]  ? filemap_map_pages+0xd92/0x1a20
[  368.999258]  ? __lock_acquire+0x62f/0x4c20
[  369.003505]  ? find_get_entries_tag+0x1400/0x1400
[  369.008394]  ? lock_acquire+0x1ed/0x520
[  369.012371]  ? ext4_filemap_fault+0x7a/0xad
[  369.016700]  ? lock_release+0xa00/0xa00
[  369.020674]  ? perf_trace_sched_process_exec+0x860/0x860
[  369.026125]  ? print_usage_bug+0xc0/0xc0
[  369.030193]  ? print_usage_bug+0xc0/0xc0
[  369.034266]  ? down_read+0x8d/0x120
[  369.037895]  ? ext4_filemap_fault+0x7a/0xad
[  369.042218]  ? __down_interruptible+0x700/0x700
[  369.046906]  ext4_filemap_fault+0x82/0xad
[  369.051061]  __do_fault+0x100/0x6b0
[  369.054694]  ? pmd_devmap_trans_unstable+0x220/0x220
[  369.059801]  ? mark_held_locks+0x130/0x130
[  369.064041]  ? mark_held_locks+0x130/0x130
[  369.068276]  ? __might_fault+0x12b/0x1e0
[  369.072339]  ? lock_downgrade+0x900/0x900
[  369.076493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.082038]  __handle_mm_fault+0x3ea0/0x5be0
[  369.086455]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  369.091308]  ? kasan_check_read+0x11/0x20
[  369.095455]  ? _copy_to_user+0xc8/0x110
[  369.099431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.104983]  ? zap_class+0x640/0x640
[  369.108701]  ? zap_class+0x640/0x640
[  369.112441]  ? find_held_lock+0x36/0x1c0
[  369.116513]  ? handle_mm_fault+0x42a/0xc70
[  369.120755]  ? lock_downgrade+0x900/0x900
[  369.124907]  ? check_preemption_disabled+0x48/0x280
[  369.129949]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  369.134887]  ? kasan_check_read+0x11/0x20
[  369.139040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.144317]  ? rcu_softirq_qs+0x20/0x20
[  369.148296]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.153402]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.158948]  ? check_preemption_disabled+0x48/0x280
[  369.163978]  handle_mm_fault+0x54f/0xc70
[  369.168078]  ? __handle_mm_fault+0x5be0/0x5be0
[  369.172671]  ? find_vma+0x34/0x190
[  369.176219]  __do_page_fault+0x5e8/0xe60
[  369.180638]  ? trace_hardirqs_off+0xb8/0x310
[  369.185060]  do_page_fault+0xf2/0x7e0
[  369.188865]  ? vmalloc_sync_all+0x30/0x30
[  369.193021]  ? error_entry+0x70/0xd0
[  369.196740]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.201764]  ? trace_hardirqs_on_caller+0xc0/0x310
[  369.206696]  ? syscall_return_slowpath+0x5e0/0x5e0
[  369.211636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.216480]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.221498]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  369.226955]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  369.231993]  ? prepare_exit_to_usermode+0x291/0x3b0
[  369.237026]  ? page_fault+0x8/0x30
[  369.240572]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.245423]  ? page_fault+0x8/0x30
[  369.249237]  page_fault+0x1e/0x30
[  369.252692] RIP: 0033:0x4375fe
[  369.255905] Code: Bad RIP value.
[  369.259269] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  369.264634] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  369.271904] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  369.279172] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  369.286437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  369.293704] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  369.301007] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  369.301075] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  369.307938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.307943] Call Trace:
[  369.307963]  dump_stack+0x244/0x39d
[  369.307985]  ? dump_stack_print_info.cold.1+0x20/0x20
[  369.314545] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.323816]  warn_alloc.cold.116+0xb7/0x1bd
[  369.326369] syz-fuzzer cpuset=/ mems_allowed=0
[  369.329994]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.359342]  ? lock_downgrade+0x900/0x900
[  369.363507]  ? trace_hardirqs_off+0xb8/0x310
[  369.367924]  ? trace_hardirqs_off+0xb8/0x310
[  369.372343]  __alloc_pages_slowpath+0x26e8/0x2e10
[  369.377224]  ? warn_alloc+0x120/0x120
[  369.381033]  ? print_usage_bug+0xc0/0xc0
[  369.385101]  ? warn_alloc+0x120/0x120
[  369.388910]  ? warn_alloc+0x120/0x120
[  369.392712]  ? print_usage_bug+0xc0/0xc0
[  369.396781]  ? print_usage_bug+0xc0/0xc0
[  369.400845]  ? __lock_acquire+0x62f/0x4c20
[  369.405088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.410638]  ? should_fail+0x22d/0xd01
[  369.414536]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.419648]  ? __lock_acquire+0x62f/0x4c20
[  369.423890]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.428994]  ? __lock_acquire+0x62f/0x4c20
[  369.433231]  ? should_fail+0x22d/0xd01
[  369.437119]  ? find_held_lock+0x36/0x1c0
[  369.441189]  ? mark_held_locks+0x130/0x130
[  369.445429]  ? mark_held_locks+0x130/0x130
[  369.449665]  ? zap_class+0x640/0x640
[  369.453392]  ? mark_held_locks+0xc7/0x130
[  369.457544]  ? do_raw_spin_unlock+0xa7/0x330
[  369.461960]  ? zap_class+0x640/0x640
[  369.465676]  ? print_usage_bug+0xc0/0xc0
[  369.469741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.475284]  ? check_preemption_disabled+0x48/0x280
[  369.480316]  ? __lock_is_held+0xb5/0x140
[  369.484393]  __alloc_pages_nodemask+0xa80/0xde0
[  369.489065]  ? zap_class+0x640/0x640
[  369.492787]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  369.497817]  ? find_held_lock+0x36/0x1c0
[  369.501889]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.506563]  ? lock_downgrade+0x900/0x900
[  369.510719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.516265]  cache_grow_begin+0xa5/0x8c0
[  369.520332]  ? do_raw_spin_unlock+0xa7/0x330
[  369.524752]  fallback_alloc+0x204/0x2e0
[  369.528733]  ____cache_alloc_node+0x1c7/0x1e0
[  369.533238]  kmem_cache_alloc_node+0xe3/0x730
[  369.537827]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.542075]  __alloc_skb+0x119/0x770
[  369.545793]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.551078]  ? netdev_alloc_frag+0x1f0/0x1f0
[  369.555492]  ? lock_downgrade+0x900/0x900
[  369.559659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.565197]  ? refcount_sub_and_test_checked+0x203/0x310
[  369.570659]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  369.576115]  ? addrconf_rs_timer+0x690/0x690
[  369.580538]  ndisc_alloc_skb+0x144/0x340
[  369.584608]  ndisc_send_rs+0x331/0x6e0
[  369.588513]  addrconf_rs_timer+0x314/0x690
[  369.592755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.597002]  call_timer_fn+0x272/0x920
[  369.600891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.605130]  ? process_timeout+0x40/0x40
[  369.609204]  ? __run_timers+0x7da/0xc70
[  369.613184]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.617678]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.622175]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.626411]  ? lockdep_hardirqs_on+0x296/0x5b0
[  369.630997]  ? trace_hardirqs_on+0xbd/0x310
[  369.635321]  ? kasan_check_read+0x11/0x20
[  369.639472]  ? __run_timers+0x7da/0xc70
[  369.643479]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.648589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.652837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.657074]  __run_timers+0x7e5/0xc70
[  369.660888]  ? timer_fixup_init+0x70/0x70
[  369.665039]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.669535]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.674034]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  369.678627]  ? trace_hardirqs_on+0xbd/0x310
[  369.682953]  ? kasan_check_read+0x11/0x20
[  369.687124]  ? finish_task_switch+0x1f4/0x910
[  369.691648]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.696752]  ? compat_start_thread+0x80/0x80
[  369.701187]  ? pvclock_read_flags+0x160/0x160
[  369.705682]  ? __switch_to_asm+0x34/0x70
[  369.709745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.715285]  ? check_preemption_disabled+0x48/0x280
[  369.720315]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  369.725859]  ? rcu_pm_notify+0xc0/0xc0
[  369.729748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.735285]  ? check_preemption_disabled+0x48/0x280
[  369.740337]  run_timer_softirq+0x52/0xb0
[  369.744434]  ? rcu_read_lock_sched_held+0x14f/0x180
[  369.749470]  __do_softirq+0x308/0xb7e
[  369.753281]  ? trace_hardirqs_on_caller+0xc0/0x310
[  369.758271]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  369.763390]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  369.768861]  ? schedule+0x108/0x460
[  369.772493]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  369.777295]  ? trace_hardirqs_off+0xb8/0x310
[  369.781724]  ? smpboot_thread_fn+0x68b/0xa00
[  369.786135]  ? trace_hardirqs_on+0x310/0x310
[  369.790558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.796097]  ? check_preemption_disabled+0x48/0x280
[  369.801117]  ? takeover_tasklets+0xa90/0xa90
[  369.805528]  run_ksoftirqd+0x5e/0x100
[  369.809332]  smpboot_thread_fn+0x68b/0xa00
[  369.813574]  ? sort_range+0x30/0x30
[  369.817218]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  369.822341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.827884]  ? __kthread_parkme+0xfb/0x1a0
[  369.832150]  ? sort_range+0x30/0x30
[  369.835792]  kthread+0x35a/0x440
[  369.839190]  ? kthread_stop+0x900/0x900
[  369.843194]  ret_from_fork+0x3a/0x50
[  369.846936] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  369.846941] warn_alloc_show_mem: 1 callbacks suppressed
[  369.846948] Mem-Info:
[  369.853959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.859341] active_anon:56065 inactive_anon:190 isolated_anon:0
[  369.859341]  active_file:11 inactive_file:12 isolated_file:0
[  369.859341]  unevictable:0 dirty:0 writeback:0 unstable:0
[  369.859341]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  369.859341]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  369.859341]  free:13773 free_pcp:518 free_cma:0
[  369.861713] Call Trace:
[  369.871101] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  369.903945]  <IRQ>
[  369.906513] 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
[  369.934013]  dump_stack+0x244/0x39d
[  369.936135] lowmem_reserve[]: 0 2818 6321 6321
[  369.962238]  ? dump_stack_print_info.cold.1+0x20/0x20
[  369.965840] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  369.970423]  warn_alloc.cold.116+0xb7/0x1bd
[  369.975578] lowmem_reserve[]: 0 0 3503 3503
[  370.003074]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  370.007383] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  370.011697]  ? lock_downgrade+0x900/0x900
[  370.016516] lowmem_reserve[]: 0 0 0 0
[  370.045489]  ? trace_hardirqs_off+0xb8/0x310
[  370.049609] 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
[  370.053419]  ? trace_hardirqs_off+0xb8/0x310
[  370.057799] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  370.071319]  __alloc_pages_slowpath+0x26e8/0x2e10
[  370.075701] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  370.090894]  ? warn_alloc+0x120/0x120
[  370.095687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  370.110583]  ? print_usage_bug+0xc0/0xc0
[  370.114362] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  370.123194]  ? warn_alloc+0x120/0x120
[  370.127247] 266 total pagecache pages
[  370.135831]  ? warn_alloc+0x120/0x120
[  370.139609] 0 pages in swap cache
[  370.143404]  ? print_usage_bug+0xc0/0xc0
[  370.147181] Swap cache stats: add 0, delete 0, find 0/0
[  370.150633]  ? kvm_clock_read+0x18/0x30
[  370.154668] Free swap  = 0kB
[  370.160039]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  370.163985] Total swap = 0kB
[  370.166995]  ? print_usage_bug+0xc0/0xc0
[  370.171989] 1965979 pages RAM
[  370.175001]  ? __lock_acquire+0x62f/0x4c20
[  370.179053] 0 pages HighMem/MovableOnly
[  370.182180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.186395] 342854 pages reserved
[  370.190360]  ? should_fail+0x22d/0xd01
[  370.195872] 0 pages cma reserved
[  370.199339]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.203271] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  370.206560]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.211979] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  370.218295]  ? __lock_acquire+0x62f/0x4c20
[  370.223373] ksoftirqd/1 cpuset=/ mems_allowed=0
[  370.233683]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.247651]  ? __lock_acquire+0x62f/0x4c20
[  370.251890]  ? should_fail+0x22d/0xd01
[  370.255775]  ? rcu_irq_exit+0x1a2/0x390
[  370.259760]  ? mark_held_locks+0x130/0x130
[  370.264001]  ? mark_held_locks+0x130/0x130
[  370.268271]  ? mark_held_locks+0xc7/0x130
[  370.272433]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  370.277453]  ? zap_class+0x640/0x640
[  370.281171]  ? print_usage_bug+0xc0/0xc0
[  370.285252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.290796]  ? check_preemption_disabled+0x48/0x280
[  370.295826]  ? __lock_is_held+0xb5/0x140
[  370.299899]  __alloc_pages_nodemask+0xa80/0xde0
[  370.304571]  ? zap_class+0x640/0x640
[  370.308299]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  370.313326]  ? find_held_lock+0x36/0x1c0
[  370.317425]  ? ____cache_alloc_node+0x1c7/0x1e0
[  370.322095]  ? lock_downgrade+0x900/0x900
[  370.326251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.331794]  cache_grow_begin+0xa5/0x8c0
[  370.335855]  ? do_raw_spin_unlock+0xa7/0x330
[  370.340275]  fallback_alloc+0x204/0x2e0
[  370.344259]  ____cache_alloc_node+0x1c7/0x1e0
[  370.348767]  kmem_cache_alloc_node+0xe3/0x730
[  370.353267]  ? ipv6_get_ifaddr+0x42e/0x620
[  370.357511]  __alloc_skb+0x119/0x770
[  370.361222]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.366505]  ? netdev_alloc_frag+0x1f0/0x1f0
[  370.370936]  ? lock_downgrade+0x900/0x900
[  370.375097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.380670]  ? refcount_sub_and_test_checked+0x203/0x310
[  370.386165]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  370.391627]  ? addrconf_rs_timer+0x690/0x690
[  370.396050]  ndisc_alloc_skb+0x144/0x340
[  370.400121]  ndisc_send_rs+0x331/0x6e0
[  370.404017]  addrconf_rs_timer+0x314/0x690
[  370.408257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.412502]  call_timer_fn+0x272/0x920
[  370.416392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.420640]  ? process_timeout+0x40/0x40
[  370.424715]  ? mark_held_locks+0xc7/0x130
[  370.428865]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.433363]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.437857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.442096]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.446680]  ? trace_hardirqs_on+0xbd/0x310
[  370.451005]  ? kasan_check_read+0x11/0x20
[  370.455153]  ? __run_timers+0x7da/0xc70
[  370.459132]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.464239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.468484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.472717]  __run_timers+0x7e5/0xc70
[  370.476531]  ? timer_fixup_init+0x70/0x70
[  370.480686]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  370.485705]  ? zap_class+0x640/0x640
[  370.489428]  ? print_usage_bug+0xc0/0xc0
[  370.493495]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  370.498697]  ? find_held_lock+0x36/0x1c0
[  370.502765]  ? zap_class+0x640/0x640
[  370.506485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.512027]  ? check_preemption_disabled+0x48/0x280
[  370.517065]  ? __lock_is_held+0xb5/0x140
[  370.521133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.526672]  ? check_preemption_disabled+0x48/0x280
[  370.531699]  run_timer_softirq+0x52/0xb0
[  370.535760]  ? rcu_read_lock_sched_held+0x14f/0x180
[  370.540778]  __do_softirq+0x308/0xb7e
[  370.544584]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  370.549086]  ? lock_downgrade+0x900/0x900
[  370.553500]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  370.558624]  ? pvclock_read_flags+0x160/0x160
[  370.563129]  ? lapic_next_event+0x5a/0x90
[  370.567285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.572828]  ? kvm_clock_read+0x18/0x30
[  370.576804]  ? kvm_sched_clock_read+0x9/0x20
[  370.581215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.586753]  ? check_preemption_disabled+0x48/0x280
[  370.591789]  irq_exit+0x17f/0x1c0
[  370.595245]  smp_apic_timer_interrupt+0x1cb/0x760
[  370.600089]  ? smp_reschedule_interrupt+0x109/0x650
[  370.605111]  ? smp_call_function_single_interrupt+0x650/0x650
[  370.610995]  ? interrupt_entry+0xb5/0xc0
[  370.615064]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.620084]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.625104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.629950]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.634969]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.639991]  ? task_prio+0x50/0x50
[  370.643538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.649078]  ? check_preemption_disabled+0x48/0x280
[  370.654101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.658956]  apic_timer_interrupt+0xf/0x20
[  370.663183]  </IRQ>
[  370.665421] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  370.670623] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  370.689678] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  370.697388] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  370.704656] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  370.712020] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  370.719290] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  370.726557] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  370.733858]  retint_kernel+0x1b/0x2d
[  370.737581] RIP: 0010:dump_stack+0x358/0x39d
[  370.741997] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  370.760903] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  370.768611] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  370.775890] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  370.783158] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  370.790426] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  370.797696] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  370.804991]  ? dump_stack+0x34f/0x39d
[  370.808813]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.814010]  ? mark_held_locks+0x130/0x130
[  370.818247]  ? mark_held_locks+0x130/0x130
[  370.822488]  dump_header+0x27b/0xf72
[  370.826217]  ? pagefault_out_of_memory+0x197/0x197
[  370.831156]  ? __lock_acquire+0x62f/0x4c20
[  370.835397]  ? percpu_ref_get_many+0x240/0x240
[  370.839989]  ? print_usage_bug+0xc0/0xc0
[  370.844061]  ? zap_class+0x640/0x640
[  370.847784]  ? print_usage_bug+0xc0/0xc0
[  370.851848]  ? print_usage_bug+0xc0/0xc0
[  370.855916]  ? zap_class+0x640/0x640
[  370.859646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.865191]  ? find_held_lock+0x36/0x1c0
[  370.869262]  ? mark_held_locks+0xc7/0x130
[  370.873413]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  370.878517]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  370.883628]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  370.888219]  ? trace_hardirqs_on+0xbd/0x310
[  370.892544]  ? kasan_check_read+0x11/0x20
[  370.896695]  ? ___ratelimit+0x3b4/0x672
[  370.900671]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.905776]  ? trace_hardirqs_on+0x310/0x310
[  370.910190]  ? lock_downgrade+0x900/0x900
[  370.914391]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  370.919493]  ? ___ratelimit+0x3b9/0x672
[  370.923469]  ? idr_get_free+0xf70/0xf70
[  370.927442]  ? find_held_lock+0x36/0x1c0
[  370.931517]  oom_kill_process.cold.27+0x10/0x903
[  370.936276]  ? zap_class+0x640/0x640
[  370.939990]  ? check_preemption_disabled+0x48/0x280
[  370.945009]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.949966]  ? kasan_check_read+0x11/0x20
[  370.954142]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.959420]  ? oom_evaluate_task+0x540/0x540
[  370.963834]  ? find_held_lock+0x36/0x1c0
[  370.967915]  ? out_of_memory+0x974/0x1430
[  370.972065]  ? lock_downgrade+0x900/0x900
[  370.976226]  ? check_preemption_disabled+0x48/0x280
[  370.981250]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.986180]  ? kasan_check_read+0x11/0x20
[  370.990331]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.995611]  ? rcu_softirq_qs+0x20/0x20
[  370.999599]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.005144]  ? oom_evaluate_task+0x302/0x540
[  371.009560]  out_of_memory+0xa84/0x1430
[  371.013546]  ? oom_killer_disable+0x3a0/0x3a0
[  371.018044]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  371.022978]  ? __ww_mutex_check_waiters+0x160/0x160
[  371.028010]  __alloc_pages_slowpath+0x2354/0x2e10
[  371.032889]  ? warn_alloc+0x120/0x120
[  371.036691]  ? mark_held_locks+0x130/0x130
[  371.040938]  ? find_get_entry+0xaae/0x1120
[  371.045185]  ? filemap_map_pages+0x1a20/0x1a20
[  371.049776]  ? zap_class+0x640/0x640
[  371.053501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.059045]  ? check_preemption_disabled+0x48/0x280
[  371.064066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.069608]  ? should_fail+0x22d/0xd01
[  371.073513]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.078630]  ? zap_class+0x640/0x640
[  371.082411]  ? __lock_is_held+0xb5/0x140
[  371.086485]  ? mark_held_locks+0x130/0x130
[  371.090725]  ? lock_release+0xa00/0xa00
[  371.094706]  ? perf_trace_sched_process_exec+0x860/0x860
[  371.100159]  ? xa_load+0x2ba/0x460
[  371.103703]  ? lock_downgrade+0x900/0x900
[  371.107858]  ? __might_sleep+0x95/0x190
[  371.111848]  __alloc_pages_nodemask+0xa80/0xde0
[  371.116528]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  371.121544]  ? __page_cache_alloc+0x191/0x5c0
[  371.126042]  ? xa_load+0x2e1/0x460
[  371.129584]  ? xa_clear_mark+0x40/0x40
[  371.133485]  ? zap_class+0x640/0x640
[  371.137227]  ? zap_class+0x640/0x640
[  371.140969]  ? zap_class+0x640/0x640
[  371.144681]  ? __do_page_cache_readahead+0x663/0x810
[  371.149795]  ? find_held_lock+0x36/0x1c0
[  371.153865]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  371.159425]  alloc_pages_current+0x173/0x350
[  371.163841]  __page_cache_alloc+0x38c/0x5c0
[  371.168160]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.173093]  ? kasan_check_read+0x11/0x20
[  371.177243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.182536]  ? generic_perform_write+0x6a0/0x6a0
[  371.187293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.192836]  ? check_preemption_disabled+0x48/0x280
[  371.197863]  filemap_fault+0x1595/0x25f0
[  371.201967]  ? __lock_page_or_retry+0xa00/0xa00
[  371.206653]  ? mark_held_locks+0x130/0x130
[  371.210908]  ? filemap_map_pages+0xd6b/0x1a20
[  371.215409]  ? lock_downgrade+0x900/0x900
[  371.219556]  ? check_preemption_disabled+0x48/0x280
[  371.224578]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.229510]  ? kasan_check_read+0x11/0x20
[  371.233658]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.238952]  ? rcu_softirq_qs+0x20/0x20
[  371.242983]  ? filemap_map_pages+0xd92/0x1a20
[  371.247494]  ? __lock_acquire+0x62f/0x4c20
[  371.251740]  ? find_get_entries_tag+0x1400/0x1400
[  371.256605]  ? lock_acquire+0x1ed/0x520
[  371.260591]  ? ext4_filemap_fault+0x7a/0xad
[  371.264929]  ? lock_release+0xa00/0xa00
[  371.268908]  ? perf_trace_sched_process_exec+0x860/0x860
[  371.274360]  ? print_usage_bug+0xc0/0xc0
[  371.278423]  ? print_usage_bug+0xc0/0xc0
[  371.282500]  ? down_read+0x8d/0x120
[  371.286125]  ? ext4_filemap_fault+0x7a/0xad
[  371.290447]  ? __down_interruptible+0x700/0x700
[  371.295127]  ext4_filemap_fault+0x82/0xad
[  371.299280]  __do_fault+0x100/0x6b0
[  371.302916]  ? pmd_devmap_trans_unstable+0x220/0x220
[  371.308023]  ? mark_held_locks+0x130/0x130
[  371.312262]  ? mark_held_locks+0x130/0x130
[  371.316499]  ? __might_fault+0x12b/0x1e0
[  371.320564]  ? lock_downgrade+0x900/0x900
[  371.324720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.330265]  __handle_mm_fault+0x3ea0/0x5be0
[  371.334688]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  371.339539]  ? kasan_check_read+0x11/0x20
[  371.343687]  ? _copy_to_user+0xc8/0x110
[  371.347668]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.353216]  ? zap_class+0x640/0x640
[  371.356928]  ? zap_class+0x640/0x640
[  371.360657]  ? find_held_lock+0x36/0x1c0
[  371.364737]  ? handle_mm_fault+0x42a/0xc70
[  371.368976]  ? lock_downgrade+0x900/0x900
[  371.373125]  ? check_preemption_disabled+0x48/0x280
[  371.378151]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.383081]  ? kasan_check_read+0x11/0x20
[  371.387230]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.392510]  ? rcu_softirq_qs+0x20/0x20
[  371.396490]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.401599]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.407147]  ? check_preemption_disabled+0x48/0x280
[  371.412171]  handle_mm_fault+0x54f/0xc70
[  371.416235]  ? __handle_mm_fault+0x5be0/0x5be0
[  371.420824]  ? find_vma+0x34/0x190
[  371.424370]  __do_page_fault+0x5e8/0xe60
[  371.428433]  ? trace_hardirqs_off+0xb8/0x310
[  371.432856]  do_page_fault+0xf2/0x7e0
[  371.436669]  ? vmalloc_sync_all+0x30/0x30
[  371.440823]  ? error_entry+0x70/0xd0
[  371.444541]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.449559]  ? trace_hardirqs_on_caller+0xc0/0x310
[  371.454490]  ? syscall_return_slowpath+0x5e0/0x5e0
[  371.459430]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.464276]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.469291]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  371.474744]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  371.479763]  ? prepare_exit_to_usermode+0x291/0x3b0
[  371.484780]  ? page_fault+0x8/0x30
[  371.488326]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.493174]  ? page_fault+0x8/0x30
[  371.496722]  page_fault+0x1e/0x30
[  371.500176] RIP: 0033:0x4375fe
[  371.503377] Code: Bad RIP value.
[  371.506741] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  371.512105] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  371.519378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  371.526645] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  371.533914] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  371.541184] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  371.548476] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  371.548542] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  371.555401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.555406] Call Trace:
[  371.555427]  dump_stack+0x244/0x39d
[  371.555446]  ? dump_stack_print_info.cold.1+0x20/0x20
[  371.561978] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  371.571274]  warn_alloc.cold.116+0xb7/0x1bd
[  371.573831] syz-fuzzer cpuset=/ mems_allowed=0
[  371.577455]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.606561]  ? lock_downgrade+0x900/0x900
[  371.610719]  ? trace_hardirqs_off+0xb8/0x310
[  371.615140]  ? trace_hardirqs_off+0xb8/0x310
[  371.619561]  __alloc_pages_slowpath+0x26e8/0x2e10
[  371.624441]  ? warn_alloc+0x120/0x120
[  371.628249]  ? warn_alloc+0x120/0x120
[  371.632058]  ? warn_alloc+0x120/0x120
[  371.635862]  ? print_usage_bug+0xc0/0xc0
[  371.639929]  ? check_preemption_disabled+0x48/0x280
[  371.644956]  ? print_usage_bug+0xc0/0xc0
[  371.649031]  ? kasan_check_read+0x11/0x20
[  371.653176]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.658456]  ? rcu_softirq_qs+0x20/0x20
[  371.662434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.667990]  ? should_fail+0x22d/0xd01
[  371.671881]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.676990]  ? __lock_acquire+0x62f/0x4c20
[  371.681230]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.686336]  ? __lock_acquire+0x62f/0x4c20
[  371.690576]  ? should_fail+0x22d/0xd01
[  371.694475]  ? mark_held_locks+0x130/0x130
[  371.698722]  ? mark_held_locks+0x130/0x130
[  371.702963]  ? __enqueue_entity+0x10d/0x1f0
[  371.707290]  ? zap_class+0x640/0x640
[  371.711009]  ? print_usage_bug+0xc0/0xc0
[  371.715069]  ? enqueue_entity+0x34b/0x20a0
[  371.719309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.724854]  ? check_preemption_disabled+0x48/0x280
[  371.729886]  ? __lock_is_held+0xb5/0x140
[  371.733962]  __alloc_pages_nodemask+0xa80/0xde0
[  371.738641]  ? zap_class+0x640/0x640
[  371.742362]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  371.747403]  ? find_held_lock+0x36/0x1c0
[  371.751477]  ? ____cache_alloc_node+0x1c7/0x1e0
[  371.756150]  ? lock_downgrade+0x900/0x900
[  371.760313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.765858]  cache_grow_begin+0xa5/0x8c0
[  371.769922]  ? do_raw_spin_unlock+0xa7/0x330
[  371.774340]  fallback_alloc+0x204/0x2e0
[  371.778323]  ____cache_alloc_node+0x1c7/0x1e0
[  371.782825]  kmem_cache_alloc_node+0xe3/0x730
[  371.787322]  ? ipv6_get_ifaddr+0x42e/0x620
[  371.791568]  __alloc_skb+0x119/0x770
[  371.795281]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.800570]  ? netdev_alloc_frag+0x1f0/0x1f0
[  371.805022]  ? lock_downgrade+0x900/0x900
[  371.809179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.814717]  ? refcount_sub_and_test_checked+0x203/0x310
[  371.820172]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  371.825635]  ? addrconf_rs_timer+0x690/0x690
[  371.830061]  ndisc_alloc_skb+0x144/0x340
[  371.834128]  ndisc_send_rs+0x331/0x6e0
[  371.838051]  addrconf_rs_timer+0x314/0x690
[  371.842296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.846549]  call_timer_fn+0x272/0x920
[  371.850442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.854682]  ? process_timeout+0x40/0x40
[  371.858757]  ? __run_timers+0x7da/0xc70
[  371.862734]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.867232]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.871733]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.875971]  ? lockdep_hardirqs_on+0x296/0x5b0
[  371.880557]  ? trace_hardirqs_on+0xbd/0x310
[  371.884881]  ? kasan_check_read+0x11/0x20
[  371.889033]  ? __run_timers+0x7da/0xc70
[  371.893008]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.898124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.902364]  __run_timers+0x7e5/0xc70
[  371.906181]  ? timer_fixup_init+0x70/0x70
[  371.910329]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.914829]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.919332]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  371.923919]  ? trace_hardirqs_on+0xbd/0x310
[  371.928239]  ? kasan_check_read+0x11/0x20
[  371.932396]  ? finish_task_switch+0x1f4/0x910
[  371.936895]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.942002]  ? compat_start_thread+0x80/0x80
[  371.946439]  ? pvclock_read_flags+0x160/0x160
[  371.950933]  ? __switch_to_asm+0x34/0x70
[  371.954998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.960547]  ? check_preemption_disabled+0x48/0x280
[  371.965579]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  371.971118]  ? rcu_pm_notify+0xc0/0xc0
[  371.975013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.980551]  ? check_preemption_disabled+0x48/0x280
[  371.985573]  run_timer_softirq+0x52/0xb0
[  371.989641]  ? rcu_read_lock_sched_held+0x14f/0x180
[  371.994659]  __do_softirq+0x308/0xb7e
[  371.998468]  ? trace_hardirqs_on_caller+0xc0/0x310
[  372.003405]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  372.008510]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  372.013974]  ? schedule+0x108/0x460
[  372.017605]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  372.022390]  ? trace_hardirqs_off+0xb8/0x310
[  372.026803]  ? smpboot_thread_fn+0x68b/0xa00
[  372.031218]  ? trace_hardirqs_on+0x310/0x310
[  372.035637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.041178]  ? check_preemption_disabled+0x48/0x280
[  372.046197]  ? takeover_tasklets+0xa90/0xa90
[  372.050612]  run_ksoftirqd+0x5e/0x100
[  372.054423]  smpboot_thread_fn+0x68b/0xa00
[  372.058667]  ? sort_range+0x30/0x30
[  372.062300]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  372.067411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.072947]  ? __kthread_parkme+0xfb/0x1a0
[  372.077201]  ? sort_range+0x30/0x30
[  372.080837]  kthread+0x35a/0x440
[  372.084206]  ? kthread_stop+0x900/0x900
[  372.088186]  ret_from_fork+0x3a/0x50
[  372.091924] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  372.091929] warn_alloc_show_mem: 1 callbacks suppressed
[  372.091937] Mem-Info:
[  372.098949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  372.104335] active_anon:56065 inactive_anon:190 isolated_anon:0
[  372.104335]  active_file:11 inactive_file:12 isolated_file:0
[  372.104335]  unevictable:0 dirty:0 writeback:0 unstable:0
[  372.104335]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  372.104335]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  372.104335]  free:13773 free_pcp:518 free_cma:0
[  372.106711] Call Trace:
[  372.116102] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  372.148943]  <IRQ>
[  372.151518] 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
[  372.179010]  dump_stack+0x244/0x39d
[  372.181136] lowmem_reserve[]: 0 2818 6321 6321
[  372.207239]  ? dump_stack_print_info.cold.1+0x20/0x20
[  372.210841] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  372.215430]  warn_alloc.cold.116+0xb7/0x1bd
[  372.220583] lowmem_reserve[]: 0 0 3503 3503
[  372.248078]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  372.252383] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  372.256698]  ? lock_downgrade+0x900/0x900
[  372.261510] lowmem_reserve[]: 0 0 0 0
[  372.290488]  ? trace_hardirqs_off+0xb8/0x310
[  372.294605] 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
[  372.298409]  ? trace_hardirqs_off+0xb8/0x310
[  372.302791] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  372.316324]  __alloc_pages_slowpath+0x26e8/0x2e10
[  372.320702] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  372.335899]  ? warn_alloc+0x120/0x120
[  372.340696] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  372.355596]  ? print_usage_bug+0xc0/0xc0
[  372.359390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  372.368216]  ? warn_alloc+0x120/0x120
[  372.372259] 266 total pagecache pages
[  372.380827]  ? warn_alloc+0x120/0x120
[  372.384605] 0 pages in swap cache
[  372.388399]  ? print_usage_bug+0xc0/0xc0
[  372.392179] Swap cache stats: add 0, delete 0, find 0/0
[  372.395662]  ? print_usage_bug+0xc0/0xc0
[  372.399695] Free swap  = 0kB
[  372.405052]  ? __lock_acquire+0x62f/0x4c20
[  372.409087] Total swap = 0kB
[  372.412103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.416311] 1965979 pages RAM
[  372.419327]  ? should_fail+0x22d/0xd01
[  372.424838] 0 pages HighMem/MovableOnly
[  372.424847] 342854 pages reserved
[  372.427952]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.431821] 0 pages cma reserved
[  372.435800]  ? __lock_acquire+0x62f/0x4c20
[  372.439295] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.444327]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.444341]  ? __lock_acquire+0x62f/0x4c20
[  372.444357]  ? should_fail+0x22d/0xd01
[  372.447768] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.451939]  ? find_held_lock+0x36/0x1c0
[  372.458411] ksoftirqd/1 cpuset=/ mems_allowed=0
[  372.463517]  ? mark_held_locks+0x130/0x130
[  372.494825]  ? mark_held_locks+0x130/0x130
[  372.499059]  ? zap_class+0x640/0x640
[  372.502774]  ? zap_class+0x640/0x640
[  372.506491]  ? print_usage_bug+0xc0/0xc0
[  372.510551]  ? do_raw_spin_unlock+0xa7/0x330
[  372.514989]  ? zap_class+0x640/0x640
[  372.518721]  ? print_usage_bug+0xc0/0xc0
[  372.522786]  ? wq_watchdog_touch+0x9c/0xfe
[  372.527030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.532573]  ? check_preemption_disabled+0x48/0x280
[  372.537600]  ? __lock_is_held+0xb5/0x140
[  372.541680]  __alloc_pages_nodemask+0xa80/0xde0
[  372.546353]  ? zap_class+0x640/0x640
[  372.550301]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  372.555330]  ? find_held_lock+0x36/0x1c0
[  372.559440]  ? ____cache_alloc_node+0x1c7/0x1e0
[  372.564112]  ? lock_downgrade+0x900/0x900
[  372.568268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.573816]  cache_grow_begin+0xa5/0x8c0
[  372.577888]  ? do_raw_spin_unlock+0xa7/0x330
[  372.582310]  fallback_alloc+0x204/0x2e0
[  372.586298]  ____cache_alloc_node+0x1c7/0x1e0
[  372.590807]  kmem_cache_alloc_node+0xe3/0x730
[  372.595307]  ? ipv6_get_ifaddr+0x42e/0x620
[  372.599578]  __alloc_skb+0x119/0x770
[  372.603309]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.608593]  ? netdev_alloc_frag+0x1f0/0x1f0
[  372.613012]  ? lock_downgrade+0x900/0x900
[  372.617169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.622707]  ? refcount_sub_and_test_checked+0x203/0x310
[  372.628167]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  372.633627]  ? addrconf_rs_timer+0x690/0x690
[  372.638054]  ndisc_alloc_skb+0x144/0x340
[  372.642120]  ndisc_send_rs+0x331/0x6e0
[  372.646016]  addrconf_rs_timer+0x314/0x690
[  372.650257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.654503]  call_timer_fn+0x272/0x920
[  372.658396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.662639]  ? process_timeout+0x40/0x40
[  372.666714]  ? mark_held_locks+0xc7/0x130
[  372.670866]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.675367]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.679862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.684221]  ? lockdep_hardirqs_on+0x296/0x5b0
[  372.688812]  ? trace_hardirqs_on+0xbd/0x310
[  372.693138]  ? kasan_check_read+0x11/0x20
[  372.697285]  ? __run_timers+0x7da/0xc70
[  372.701263]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.706373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.710612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.714875]  __run_timers+0x7e5/0xc70
[  372.718696]  ? timer_fixup_init+0x70/0x70
[  372.722847]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  372.727875]  ? zap_class+0x640/0x640
[  372.731600]  ? print_usage_bug+0xc0/0xc0
[  372.735673]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  372.740871]  ? find_held_lock+0x36/0x1c0
[  372.744960]  ? zap_class+0x640/0x640
[  372.748700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.754258]  ? check_preemption_disabled+0x48/0x280
[  372.759303]  ? __lock_is_held+0xb5/0x140
[  372.763371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.768913]  ? check_preemption_disabled+0x48/0x280
[  372.773955]  run_timer_softirq+0x52/0xb0
[  372.778020]  ? rcu_read_lock_sched_held+0x14f/0x180
[  372.783037]  __do_softirq+0x308/0xb7e
[  372.786842]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  372.791365]  ? lock_downgrade+0x900/0x900
[  372.795521]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  372.800646]  ? pvclock_read_flags+0x160/0x160
[  372.805144]  ? lapic_next_event+0x5a/0x90
[  372.809294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.814841]  ? kvm_clock_read+0x18/0x30
[  372.818818]  ? kvm_sched_clock_read+0x9/0x20
[  372.823234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.828778]  ? check_preemption_disabled+0x48/0x280
[  372.833812]  irq_exit+0x17f/0x1c0
[  372.837268]  smp_apic_timer_interrupt+0x1cb/0x760
[  372.842108]  ? smp_reschedule_interrupt+0x109/0x650
[  372.847140]  ? smp_call_function_single_interrupt+0x650/0x650
[  372.853057]  ? interrupt_entry+0xb5/0xc0
[  372.857145]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.862192]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.867207]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.872069]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.877128]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.882142]  ? task_prio+0x50/0x50
[  372.885687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.891227]  ? check_preemption_disabled+0x48/0x280
[  372.896253]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.901105]  apic_timer_interrupt+0xf/0x20
[  372.905336]  </IRQ>
[  372.907580] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  372.912775] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  372.931681] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  372.939399] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  372.946665] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  372.953934] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  372.961200] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  372.968465] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  372.975776]  retint_kernel+0x1b/0x2d
[  372.979494] RIP: 0010:dump_stack+0x358/0x39d
[  372.983910] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  373.002811] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  373.010517] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  373.017788] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  373.025056] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  373.032324] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  373.039597] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  373.046900]  ? dump_stack+0x34f/0x39d
[  373.050719]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.055914]  ? mark_held_locks+0x130/0x130
[  373.060153]  ? mark_held_locks+0x130/0x130
[  373.064394]  dump_header+0x27b/0xf72
[  373.068124]  ? pagefault_out_of_memory+0x197/0x197
[  373.073068]  ? __lock_acquire+0x62f/0x4c20
[  373.077308]  ? percpu_ref_get_many+0x240/0x240
[  373.081899]  ? print_usage_bug+0xc0/0xc0
[  373.085971]  ? zap_class+0x640/0x640
[  373.089692]  ? print_usage_bug+0xc0/0xc0
[  373.093758]  ? print_usage_bug+0xc0/0xc0
[  373.097826]  ? zap_class+0x640/0x640
[  373.101544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.107091]  ? find_held_lock+0x36/0x1c0
[  373.111164]  ? mark_held_locks+0xc7/0x130
[  373.115314]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  373.120416]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  373.125521]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  373.130109]  ? trace_hardirqs_on+0xbd/0x310
[  373.134433]  ? kasan_check_read+0x11/0x20
[  373.138581]  ? ___ratelimit+0x3b4/0x672
[  373.142556]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.147666]  ? trace_hardirqs_on+0x310/0x310
[  373.152076]  ? lock_downgrade+0x900/0x900
[  373.156232]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  373.161341]  ? ___ratelimit+0x3b9/0x672
[  373.165324]  ? idr_get_free+0xf70/0xf70
[  373.169316]  ? find_held_lock+0x36/0x1c0
[  373.173391]  oom_kill_process.cold.27+0x10/0x903
[  373.178160]  ? zap_class+0x640/0x640
[  373.181874]  ? check_preemption_disabled+0x48/0x280
[  373.186906]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.191835]  ? kasan_check_read+0x11/0x20
[  373.195984]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.201267]  ? oom_evaluate_task+0x540/0x540
[  373.205684]  ? find_held_lock+0x36/0x1c0
[  373.209754]  ? out_of_memory+0x974/0x1430
[  373.213913]  ? lock_downgrade+0x900/0x900
[  373.218064]  ? check_preemption_disabled+0x48/0x280
[  373.223082]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.228022]  ? kasan_check_read+0x11/0x20
[  373.232178]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.237459]  ? rcu_softirq_qs+0x20/0x20
[  373.241442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.246977]  ? oom_evaluate_task+0x302/0x540
[  373.251391]  out_of_memory+0xa84/0x1430
[  373.255376]  ? oom_killer_disable+0x3a0/0x3a0
[  373.259901]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  373.264838]  ? __ww_mutex_check_waiters+0x160/0x160
[  373.269868]  __alloc_pages_slowpath+0x2354/0x2e10
[  373.274755]  ? warn_alloc+0x120/0x120
[  373.278556]  ? mark_held_locks+0x130/0x130
[  373.282797]  ? find_get_entry+0xaae/0x1120
[  373.287045]  ? filemap_map_pages+0x1a20/0x1a20
[  373.291646]  ? zap_class+0x640/0x640
[  373.295372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.300915]  ? check_preemption_disabled+0x48/0x280
[  373.305932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.311470]  ? should_fail+0x22d/0xd01
[  373.315363]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.320470]  ? zap_class+0x640/0x640
[  373.324213]  ? __lock_is_held+0xb5/0x140
[  373.328286]  ? mark_held_locks+0x130/0x130
[  373.332525]  ? lock_release+0xa00/0xa00
[  373.336507]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.341957]  ? xa_load+0x2ba/0x460
[  373.345501]  ? lock_downgrade+0x900/0x900
[  373.349661]  ? __might_sleep+0x95/0x190
[  373.353650]  __alloc_pages_nodemask+0xa80/0xde0
[  373.358328]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.363350]  ? __page_cache_alloc+0x191/0x5c0
[  373.367844]  ? xa_load+0x2e1/0x460
[  373.371389]  ? xa_clear_mark+0x40/0x40
[  373.375279]  ? zap_class+0x640/0x640
[  373.379004]  ? zap_class+0x640/0x640
[  373.382718]  ? zap_class+0x640/0x640
[  373.386432]  ? __do_page_cache_readahead+0x663/0x810
[  373.391540]  ? find_held_lock+0x36/0x1c0
[  373.395608]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  373.401168]  alloc_pages_current+0x173/0x350
[  373.405582]  __page_cache_alloc+0x38c/0x5c0
[  373.409914]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.414849]  ? kasan_check_read+0x11/0x20
[  373.419001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.424279]  ? generic_perform_write+0x6a0/0x6a0
[  373.429040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.434577]  ? check_preemption_disabled+0x48/0x280
[  373.439603]  filemap_fault+0x1595/0x25f0
[  373.443693]  ? __lock_page_or_retry+0xa00/0xa00
[  373.448365]  ? mark_held_locks+0x130/0x130
[  373.452610]  ? filemap_map_pages+0xd6b/0x1a20
[  373.457118]  ? lock_downgrade+0x900/0x900
[  373.461271]  ? check_preemption_disabled+0x48/0x280
[  373.466292]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.471221]  ? kasan_check_read+0x11/0x20
[  373.475373]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.480651]  ? rcu_softirq_qs+0x20/0x20
[  373.484652]  ? filemap_map_pages+0xd92/0x1a20
[  373.489155]  ? __lock_acquire+0x62f/0x4c20
[  373.493403]  ? find_get_entries_tag+0x1400/0x1400
[  373.498269]  ? lock_acquire+0x1ed/0x520
[  373.502243]  ? ext4_filemap_fault+0x7a/0xad
[  373.506572]  ? lock_release+0xa00/0xa00
[  373.510550]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.516008]  ? print_usage_bug+0xc0/0xc0
[  373.520095]  ? print_usage_bug+0xc0/0xc0
[  373.524170]  ? down_read+0x8d/0x120
[  373.527797]  ? ext4_filemap_fault+0x7a/0xad
[  373.532119]  ? __down_interruptible+0x700/0x700
[  373.536802]  ext4_filemap_fault+0x82/0xad
[  373.540958]  __do_fault+0x100/0x6b0
[  373.544594]  ? pmd_devmap_trans_unstable+0x220/0x220
[  373.549713]  ? mark_held_locks+0x130/0x130
[  373.553952]  ? mark_held_locks+0x130/0x130
[  373.558192]  ? __might_fault+0x12b/0x1e0
[  373.562257]  ? lock_downgrade+0x900/0x900
[  373.566410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.571958]  __handle_mm_fault+0x3ea0/0x5be0
[  373.576376]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  373.581228]  ? kasan_check_read+0x11/0x20
[  373.585379]  ? _copy_to_user+0xc8/0x110
[  373.589361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.594919]  ? zap_class+0x640/0x640
[  373.598640]  ? zap_class+0x640/0x640
[  373.602363]  ? find_held_lock+0x36/0x1c0
[  373.606438]  ? handle_mm_fault+0x42a/0xc70
[  373.610674]  ? lock_downgrade+0x900/0x900
[  373.614829]  ? check_preemption_disabled+0x48/0x280
[  373.619849]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.624783]  ? kasan_check_read+0x11/0x20
[  373.628934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.634210]  ? rcu_softirq_qs+0x20/0x20
[  373.638186]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.643293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.648835]  ? check_preemption_disabled+0x48/0x280
[  373.653867]  handle_mm_fault+0x54f/0xc70
[  373.657941]  ? __handle_mm_fault+0x5be0/0x5be0
[  373.662530]  ? find_vma+0x34/0x190
[  373.666080]  __do_page_fault+0x5e8/0xe60
[  373.670140]  ? trace_hardirqs_off+0xb8/0x310
[  373.674563]  do_page_fault+0xf2/0x7e0
[  373.678369]  ? vmalloc_sync_all+0x30/0x30
[  373.682519]  ? error_entry+0x70/0xd0
[  373.686236]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.691255]  ? trace_hardirqs_on_caller+0xc0/0x310
[  373.696188]  ? syscall_return_slowpath+0x5e0/0x5e0
[  373.701121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.705969]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.710983]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  373.716434]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  373.721457]  ? prepare_exit_to_usermode+0x291/0x3b0
[  373.726476]  ? page_fault+0x8/0x30
[  373.730047]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.734896]  ? page_fault+0x8/0x30
[  373.738441]  page_fault+0x1e/0x30
[  373.741897] RIP: 0033:0x4375fe
[  373.745100] Code: Bad RIP value.
[  373.748467] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  373.753826] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  373.761108] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  373.768370] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  373.775648] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  373.782915] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  373.790228] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  373.790322] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  373.797200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  373.797205] Call Trace:
[  373.797225]  dump_stack+0x244/0x39d
[  373.797247]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.803831] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  373.813100]  warn_alloc.cold.116+0xb7/0x1bd
[  373.815653] syz-fuzzer cpuset=/ mems_allowed=0
[  373.819302]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  373.848382]  ? lock_downgrade+0x900/0x900
[  373.852544]  ? trace_hardirqs_off+0xb8/0x310
[  373.856961]  ? trace_hardirqs_off+0xb8/0x310
[  373.861387]  __alloc_pages_slowpath+0x26e8/0x2e10
[  373.866261]  ? warn_alloc+0x120/0x120
[  373.870094]  ? print_usage_bug+0xc0/0xc0
[  373.874187]  ? warn_alloc+0x120/0x120
[  373.877995]  ? warn_alloc+0x120/0x120
[  373.881800]  ? print_usage_bug+0xc0/0xc0
[  373.885874]  ? print_usage_bug+0xc0/0xc0
[  373.890007]  ? __lock_acquire+0x62f/0x4c20
[  373.894283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.899821]  ? should_fail+0x22d/0xd01
[  373.903714]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.908820]  ? __lock_acquire+0x62f/0x4c20
[  373.913061]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.918165]  ? __lock_acquire+0x62f/0x4c20
[  373.922430]  ? should_fail+0x22d/0xd01
[  373.926350]  ? find_held_lock+0x36/0x1c0
[  373.930425]  ? mark_held_locks+0x130/0x130
[  373.934669]  ? mark_held_locks+0x130/0x130
[  373.938902]  ? zap_class+0x640/0x640
[  373.942657]  ? zap_class+0x640/0x640
[  373.946385]  ? print_usage_bug+0xc0/0xc0
[  373.950460]  ? do_raw_spin_unlock+0xa7/0x330
[  373.954868]  ? zap_class+0x640/0x640
[  373.958586]  ? print_usage_bug+0xc0/0xc0
[  373.962659]  ? wq_watchdog_touch+0x9c/0xfe
[  373.966902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.972447]  ? check_preemption_disabled+0x48/0x280
[  373.977474]  ? __lock_is_held+0xb5/0x140
[  373.981543]  __alloc_pages_nodemask+0xa80/0xde0
[  373.986216]  ? zap_class+0x640/0x640
[  373.989941]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.994971]  ? find_held_lock+0x36/0x1c0
[  373.999044]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.003718]  ? lock_downgrade+0x900/0x900
[  374.007876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.013419]  cache_grow_begin+0xa5/0x8c0
[  374.017497]  ? do_raw_spin_unlock+0xa7/0x330
[  374.021920]  fallback_alloc+0x204/0x2e0
[  374.025903]  ____cache_alloc_node+0x1c7/0x1e0
[  374.030415]  kmem_cache_alloc_node+0xe3/0x730
[  374.034916]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.039170]  __alloc_skb+0x119/0x770
[  374.042885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.048169]  ? netdev_alloc_frag+0x1f0/0x1f0
[  374.052591]  ? lock_downgrade+0x900/0x900
[  374.056771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.062309]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.067777]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.073230]  ? addrconf_rs_timer+0x690/0x690
[  374.077660]  ndisc_alloc_skb+0x144/0x340
[  374.081728]  ndisc_send_rs+0x331/0x6e0
[  374.085634]  addrconf_rs_timer+0x314/0x690
[  374.089879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.094127]  call_timer_fn+0x272/0x920
[  374.098018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.102253]  ? process_timeout+0x40/0x40
[  374.106326]  ? __run_timers+0x7da/0xc70
[  374.110303]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.114799]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.119296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.123533]  ? lockdep_hardirqs_on+0x296/0x5b0
[  374.128119]  ? trace_hardirqs_on+0xbd/0x310
[  374.132445]  ? kasan_check_read+0x11/0x20
[  374.136593]  ? __run_timers+0x7da/0xc70
[  374.140580]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.145692]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.149937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.154169]  __run_timers+0x7e5/0xc70
[  374.157983]  ? timer_fixup_init+0x70/0x70
[  374.162131]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.166636]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.171135]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  374.175721]  ? trace_hardirqs_on+0xbd/0x310
[  374.180048]  ? kasan_check_read+0x11/0x20
[  374.184204]  ? finish_task_switch+0x1f4/0x910
[  374.188707]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.193815]  ? compat_start_thread+0x80/0x80
[  374.198249]  ? pvclock_read_flags+0x160/0x160
[  374.202748]  ? __switch_to_asm+0x34/0x70
[  374.206812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.212357]  ? check_preemption_disabled+0x48/0x280
[  374.217397]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  374.222939]  ? rcu_pm_notify+0xc0/0xc0
[  374.226831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.232412]  ? check_preemption_disabled+0x48/0x280
[  374.237462]  run_timer_softirq+0x52/0xb0
[  374.241526]  ? rcu_read_lock_sched_held+0x14f/0x180
[  374.247070]  __do_softirq+0x308/0xb7e
[  374.250878]  ? trace_hardirqs_on_caller+0xc0/0x310
[  374.255818]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  374.260928]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  374.266396]  ? schedule+0x108/0x460
[  374.270025]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  374.274798]  ? trace_hardirqs_off+0xb8/0x310
[  374.279209]  ? smpboot_thread_fn+0x68b/0xa00
[  374.283626]  ? trace_hardirqs_on+0x310/0x310
[  374.288037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.293581]  ? check_preemption_disabled+0x48/0x280
[  374.298602]  ? takeover_tasklets+0xa90/0xa90
[  374.303022]  run_ksoftirqd+0x5e/0x100
[  374.306824]  smpboot_thread_fn+0x68b/0xa00
[  374.311066]  ? sort_range+0x30/0x30
[  374.314694]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  374.319800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.325340]  ? __kthread_parkme+0xfb/0x1a0
[  374.329582]  ? sort_range+0x30/0x30
[  374.333218]  kthread+0x35a/0x440
[  374.336590]  ? kthread_stop+0x900/0x900
[  374.340576]  ret_from_fork+0x3a/0x50
[  374.344313] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  374.344319] warn_alloc_show_mem: 1 callbacks suppressed
[  374.344326] Mem-Info:
[  374.351327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.351336] Call Trace:
[  374.356710] active_anon:56065 inactive_anon:190 isolated_anon:0
[  374.356710]  active_file:11 inactive_file:12 isolated_file:0
[  374.356710]  unevictable:0 dirty:0 writeback:0 unstable:0
[  374.356710]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  374.356710]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  374.356710]  free:13773 free_pcp:518 free_cma:0
[  374.359083]  <IRQ>
[  374.368449] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  374.371031]  dump_stack+0x244/0x39d
[  374.403889] 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
[  374.406038]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.433505] lowmem_reserve[]: 0 2818 6321 6321
[  374.437146]  warn_alloc.cold.116+0xb7/0x1bd
[  374.463234] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  374.468454]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.473012] lowmem_reserve[]: 0 0 3503 3503
[  374.477332]  ? lock_downgrade+0x900/0x900
[  374.504807] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  374.509659]  ? trace_hardirqs_off+0xb8/0x310
[  374.513945] lowmem_reserve[]: 0 0 0 0
[  374.518092]  ? trace_hardirqs_off+0xb8/0x310
[  374.547432] 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
[  374.552043]  __alloc_pages_slowpath+0x26e8/0x2e10
[  374.555820] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  374.560274]  ? warn_alloc+0x120/0x120
[  374.573728] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  374.578566]  ? print_usage_bug+0xc0/0xc0
[  374.593717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  374.597507]  ? warn_alloc+0x120/0x120
[  374.612401] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  374.616448]  ? warn_alloc+0x120/0x120
[  374.625256] 266 total pagecache pages
[  374.629053]  ? print_usage_bug+0xc0/0xc0
[  374.637611] 0 pages in swap cache
[  374.641408]  ? kvm_clock_read+0x18/0x30
[  374.645184] Swap cache stats: add 0, delete 0, find 0/0
[  374.649483]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  374.652909] Free swap  = 0kB
[  374.656875]  ? print_usage_bug+0xc0/0xc0
[  374.662217] Total swap = 0kB
[  374.667226]  ? __lock_acquire+0x62f/0x4c20
[  374.670225] 1965979 pages RAM
[  374.674288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.677285] 0 pages HighMem/MovableOnly
[  374.681717]  ? should_fail+0x22d/0xd01
[  374.684804] 342854 pages reserved
[  374.690333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.694281] 0 pages cma reserved
[  374.698160]  ? __lock_acquire+0x62f/0x4c20
[  374.701666] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.706686]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.706699]  ? __lock_acquire+0x62f/0x4c20
[  374.706715]  ? should_fail+0x22d/0xd01
[  374.710123] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.714297]  ? mark_held_locks+0x130/0x130
[  374.720769] ksoftirqd/1 cpuset=/ mems_allowed=0
[  374.725864]  ? mark_held_locks+0x130/0x130
[  374.757342]  ? zap_class+0x640/0x640
[  374.761060]  ? print_usage_bug+0xc0/0xc0
[  374.765143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.770696]  ? check_preemption_disabled+0x48/0x280
[  374.775724]  ? __lock_is_held+0xb5/0x140
[  374.779796]  __alloc_pages_nodemask+0xa80/0xde0
[  374.784484]  ? zap_class+0x640/0x640
[  374.788218]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  374.793259]  ? find_held_lock+0x36/0x1c0
[  374.797331]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.802013]  ? lock_downgrade+0x900/0x900
[  374.806168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.811715]  cache_grow_begin+0xa5/0x8c0
[  374.815779]  ? do_raw_spin_unlock+0xa7/0x330
[  374.820198]  fallback_alloc+0x204/0x2e0
[  374.824181]  ____cache_alloc_node+0x1c7/0x1e0
[  374.828684]  kmem_cache_alloc_node+0xe3/0x730
[  374.833200]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.837464]  __alloc_skb+0x119/0x770
[  374.841181]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.846464]  ? netdev_alloc_frag+0x1f0/0x1f0
[  374.850883]  ? lock_downgrade+0x900/0x900
[  374.855040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.860577]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.866033]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.871482]  ? addrconf_rs_timer+0x690/0x690
[  374.875914]  ndisc_alloc_skb+0x144/0x340
[  374.879983]  ndisc_send_rs+0x331/0x6e0
[  374.883886]  addrconf_rs_timer+0x314/0x690
[  374.888132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.892378]  call_timer_fn+0x272/0x920
[  374.896266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.900500]  ? process_timeout+0x40/0x40
[  374.904571]  ? mark_held_locks+0xc7/0x130
[  374.908721]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.913217]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.917709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.921946]  ? lockdep_hardirqs_on+0x296/0x5b0
[  374.926533]  ? trace_hardirqs_on+0xbd/0x310
[  374.930857]  ? kasan_check_read+0x11/0x20
[  374.935009]  ? __run_timers+0x7da/0xc70
[  374.938990]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.944106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.948340]  __run_timers+0x7e5/0xc70
[  374.952150]  ? timer_fixup_init+0x70/0x70
[  374.956303]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  374.961323]  ? zap_class+0x640/0x640
[  374.965056]  ? print_usage_bug+0xc0/0xc0
[  374.969125]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  374.974324]  ? find_held_lock+0x36/0x1c0
[  374.978394]  ? zap_class+0x640/0x640
[  374.982114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.987659]  ? check_preemption_disabled+0x48/0x280
[  374.992684]  ? __lock_is_held+0xb5/0x140
[  374.996750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.002292]  ? check_preemption_disabled+0x48/0x280
[  375.007313]  run_timer_softirq+0x52/0xb0
[  375.011378]  ? rcu_read_lock_sched_held+0x14f/0x180
[  375.016399]  __do_softirq+0x308/0xb7e
[  375.020206]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  375.024699]  ? lock_downgrade+0x900/0x900
[  375.028854]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  375.033969]  ? pvclock_read_flags+0x160/0x160
[  375.038466]  ? lapic_next_event+0x5a/0x90
[  375.042631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.048181]  ? kvm_clock_read+0x18/0x30
[  375.052156]  ? kvm_sched_clock_read+0x9/0x20
[  375.056568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.062111]  ? check_preemption_disabled+0x48/0x280
[  375.067139]  irq_exit+0x17f/0x1c0
[  375.070598]  smp_apic_timer_interrupt+0x1cb/0x760
[  375.075453]  ? smp_reschedule_interrupt+0x109/0x650
[  375.080470]  ? smp_call_function_single_interrupt+0x650/0x650
[  375.086372]  ? interrupt_entry+0xb5/0xc0
[  375.090437]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.095457]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.100479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.105323]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.110339]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.115354]  ? task_prio+0x50/0x50
[  375.118903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.124441]  ? check_preemption_disabled+0x48/0x280
[  375.129481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.134348]  apic_timer_interrupt+0xf/0x20
[  375.138642]  </IRQ>
[  375.140892] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  375.146088] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  375.164986] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  375.172694] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  375.179962] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  375.187229] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  375.194496] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  375.201762] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  375.209062]  retint_kernel+0x1b/0x2d
[  375.212780] RIP: 0010:dump_stack+0x358/0x39d
[  375.217187] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  375.236088] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  375.243793] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  375.251065] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  375.258334] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  375.265599] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  375.272875] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  375.280169]  ? dump_stack+0x34f/0x39d
[  375.283986]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.289181]  ? mark_held_locks+0x130/0x130
[  375.293415]  ? mark_held_locks+0x130/0x130
[  375.297663]  dump_header+0x27b/0xf72
[  375.301391]  ? pagefault_out_of_memory+0x197/0x197
[  375.306332]  ? __lock_acquire+0x62f/0x4c20
[  375.310570]  ? percpu_ref_get_many+0x240/0x240
[  375.315156]  ? print_usage_bug+0xc0/0xc0
[  375.319223]  ? zap_class+0x640/0x640
[  375.322940]  ? print_usage_bug+0xc0/0xc0
[  375.327004]  ? print_usage_bug+0xc0/0xc0
[  375.331066]  ? zap_class+0x640/0x640
[  375.334790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.340334]  ? find_held_lock+0x36/0x1c0
[  375.344404]  ? mark_held_locks+0xc7/0x130
[  375.348556]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  375.353659]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  375.358763]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  375.363352]  ? trace_hardirqs_on+0xbd/0x310
[  375.367678]  ? kasan_check_read+0x11/0x20
[  375.371828]  ? ___ratelimit+0x3b4/0x672
[  375.375804]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.380915]  ? trace_hardirqs_on+0x310/0x310
[  375.385324]  ? lock_downgrade+0x900/0x900
[  375.389479]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  375.394588]  ? ___ratelimit+0x3b9/0x672
[  375.398584]  ? idr_get_free+0xf70/0xf70
[  375.402580]  ? find_held_lock+0x36/0x1c0
[  375.406657]  oom_kill_process.cold.27+0x10/0x903
[  375.411414]  ? zap_class+0x640/0x640
[  375.415130]  ? check_preemption_disabled+0x48/0x280
[  375.420149]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.425078]  ? kasan_check_read+0x11/0x20
[  375.429230]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.434508]  ? oom_evaluate_task+0x540/0x540
[  375.438920]  ? find_held_lock+0x36/0x1c0
[  375.442996]  ? out_of_memory+0x974/0x1430
[  375.447150]  ? lock_downgrade+0x900/0x900
[  375.451297]  ? check_preemption_disabled+0x48/0x280
[  375.456318]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.461251]  ? kasan_check_read+0x11/0x20
[  375.465402]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.470683]  ? rcu_softirq_qs+0x20/0x20
[  375.474666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.480204]  ? oom_evaluate_task+0x302/0x540
[  375.484628]  out_of_memory+0xa84/0x1430
[  375.488611]  ? oom_killer_disable+0x3a0/0x3a0
[  375.493118]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  375.498057]  ? __ww_mutex_check_waiters+0x160/0x160
[  375.503092]  __alloc_pages_slowpath+0x2354/0x2e10
[  375.507970]  ? warn_alloc+0x120/0x120
[  375.511775]  ? mark_held_locks+0x130/0x130
[  375.516046]  ? find_get_entry+0xaae/0x1120
[  375.520298]  ? filemap_map_pages+0x1a20/0x1a20
[  375.524897]  ? zap_class+0x640/0x640
[  375.528629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.534169]  ? check_preemption_disabled+0x48/0x280
[  375.539190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.544728]  ? should_fail+0x22d/0xd01
[  375.548631]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.553743]  ? zap_class+0x640/0x640
[  375.557498]  ? __lock_is_held+0xb5/0x140
[  375.561573]  ? mark_held_locks+0x130/0x130
[  375.565811]  ? lock_release+0xa00/0xa00
[  375.569789]  ? perf_trace_sched_process_exec+0x860/0x860
[  375.575243]  ? xa_load+0x2ba/0x460
[  375.578786]  ? lock_downgrade+0x900/0x900
[  375.582955]  ? __might_sleep+0x95/0x190
[  375.586937]  __alloc_pages_nodemask+0xa80/0xde0
[  375.591626]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  375.596657]  ? __page_cache_alloc+0x191/0x5c0
[  375.601153]  ? xa_load+0x2e1/0x460
[  375.604695]  ? xa_clear_mark+0x40/0x40
[  375.608585]  ? zap_class+0x640/0x640
[  375.612317]  ? zap_class+0x640/0x640
[  375.616032]  ? zap_class+0x640/0x640
[  375.619745]  ? __do_page_cache_readahead+0x663/0x810
[  375.624853]  ? find_held_lock+0x36/0x1c0
[  375.628929]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  375.634505]  alloc_pages_current+0x173/0x350
[  375.638934]  __page_cache_alloc+0x38c/0x5c0
[  375.643259]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.648188]  ? kasan_check_read+0x11/0x20
[  375.652340]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.657631]  ? generic_perform_write+0x6a0/0x6a0
[  375.662394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.667933]  ? check_preemption_disabled+0x48/0x280
[  375.672958]  filemap_fault+0x1595/0x25f0
[  375.677037]  ? __lock_page_or_retry+0xa00/0xa00
[  375.681711]  ? mark_held_locks+0x130/0x130
[  375.685959]  ? filemap_map_pages+0xd6b/0x1a20
[  375.690457]  ? lock_downgrade+0x900/0x900
[  375.694604]  ? check_preemption_disabled+0x48/0x280
[  375.699652]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.704589]  ? kasan_check_read+0x11/0x20
[  375.708742]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.714020]  ? rcu_softirq_qs+0x20/0x20
[  375.718012]  ? filemap_map_pages+0xd92/0x1a20
[  375.722510]  ? __lock_acquire+0x62f/0x4c20
[  375.726753]  ? find_get_entries_tag+0x1400/0x1400
[  375.731627]  ? lock_acquire+0x1ed/0x520
[  375.735604]  ? ext4_filemap_fault+0x7a/0xad
[  375.739945]  ? lock_release+0xa00/0xa00
[  375.743918]  ? perf_trace_sched_process_exec+0x860/0x860
[  375.749369]  ? print_usage_bug+0xc0/0xc0
[  375.753436]  ? print_usage_bug+0xc0/0xc0
[  375.757515]  ? down_read+0x8d/0x120
[  375.761139]  ? ext4_filemap_fault+0x7a/0xad
[  375.765461]  ? __down_interruptible+0x700/0x700
[  375.770140]  ext4_filemap_fault+0x82/0xad
[  375.774292]  __do_fault+0x100/0x6b0
[  375.777928]  ? pmd_devmap_trans_unstable+0x220/0x220
[  375.783037]  ? mark_held_locks+0x130/0x130
[  375.787276]  ? mark_held_locks+0x130/0x130
[  375.791511]  ? __might_fault+0x12b/0x1e0
[  375.795574]  ? lock_downgrade+0x900/0x900
[  375.799733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.805293]  __handle_mm_fault+0x3ea0/0x5be0
[  375.809725]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  375.814579]  ? kasan_check_read+0x11/0x20
[  375.818730]  ? _copy_to_user+0xc8/0x110
[  375.822714]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.828268]  ? zap_class+0x640/0x640
[  375.831981]  ? zap_class+0x640/0x640
[  375.835703]  ? find_held_lock+0x36/0x1c0
[  375.839773]  ? handle_mm_fault+0x42a/0xc70
[  375.844012]  ? lock_downgrade+0x900/0x900
[  375.848162]  ? check_preemption_disabled+0x48/0x280
[  375.853180]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.858108]  ? kasan_check_read+0x11/0x20
[  375.862256]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.867533]  ? rcu_softirq_qs+0x20/0x20
[  375.871510]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.876628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.882168]  ? check_preemption_disabled+0x48/0x280
[  375.887208]  handle_mm_fault+0x54f/0xc70
[  375.891286]  ? __handle_mm_fault+0x5be0/0x5be0
[  375.895886]  ? find_vma+0x34/0x190
[  375.899436]  __do_page_fault+0x5e8/0xe60
[  375.903495]  ? trace_hardirqs_off+0xb8/0x310
[  375.907922]  do_page_fault+0xf2/0x7e0
[  375.911730]  ? vmalloc_sync_all+0x30/0x30
[  375.915889]  ? error_entry+0x70/0xd0
[  375.919604]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.924634]  ? trace_hardirqs_on_caller+0xc0/0x310
[  375.929567]  ? syscall_return_slowpath+0x5e0/0x5e0
[  375.934497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.939343]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.944363]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  375.949819]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  375.954841]  ? prepare_exit_to_usermode+0x291/0x3b0
[  375.959862]  ? page_fault+0x8/0x30
[  375.963427]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.968285]  ? page_fault+0x8/0x30
[  375.971828]  page_fault+0x1e/0x30
[  375.975280] RIP: 0033:0x4375fe
[  375.978481] Code: Bad RIP value.
[  375.981850] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  375.987216] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  375.994485] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  376.001756] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  376.009024] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  376.016293] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  376.023602] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  376.023677] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  376.030535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.030544] Call Trace:
[  376.037115] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  376.046384]  dump_stack+0x244/0x39d
[  376.048942] syz-fuzzer cpuset=/ mems_allowed=0
[  376.059160]  ? dump_stack_print_info.cold.1+0x20/0x20
[  376.072533]  warn_alloc.cold.116+0xb7/0x1bd
[  376.076865]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.081712]  ? lock_downgrade+0x900/0x900
[  376.085871]  ? trace_hardirqs_off+0xb8/0x310
[  376.090290]  ? trace_hardirqs_off+0xb8/0x310
[  376.094708]  __alloc_pages_slowpath+0x26e8/0x2e10
[  376.099586]  ? warn_alloc+0x120/0x120
[  376.103401]  ? print_usage_bug+0xc0/0xc0
[  376.107464]  ? warn_alloc+0x120/0x120
[  376.111269]  ? warn_alloc+0x120/0x120
[  376.115075]  ? print_usage_bug+0xc0/0xc0
[  376.119148]  ? print_usage_bug+0xc0/0xc0
[  376.123215]  ? __lock_acquire+0x62f/0x4c20
[  376.127455]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.132994]  ? should_fail+0x22d/0xd01
[  376.136886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.141994]  ? __lock_acquire+0x62f/0x4c20
[  376.146239]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.151338]  ? __lock_acquire+0x62f/0x4c20
[  376.155589]  ? should_fail+0x22d/0xd01
[  376.159510]  ? find_held_lock+0x36/0x1c0
[  376.163583]  ? mark_held_locks+0x130/0x130
[  376.167831]  ? mark_held_locks+0x130/0x130
[  376.172072]  ? zap_class+0x640/0x640
[  376.175786]  ? zap_class+0x640/0x640
[  376.179503]  ? print_usage_bug+0xc0/0xc0
[  376.183563]  ? do_raw_spin_unlock+0xa7/0x330
[  376.187973]  ? zap_class+0x640/0x640
[  376.191692]  ? print_usage_bug+0xc0/0xc0
[  376.195752]  ? wq_watchdog_touch+0x9c/0xfe
[  376.199995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.205538]  ? check_preemption_disabled+0x48/0x280
[  376.210565]  ? __lock_is_held+0xb5/0x140
[  376.214643]  __alloc_pages_nodemask+0xa80/0xde0
[  376.219315]  ? zap_class+0x640/0x640
[  376.223036]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  376.228082]  ? find_held_lock+0x36/0x1c0
[  376.232174]  ? ____cache_alloc_node+0x1c7/0x1e0
[  376.236845]  ? lock_downgrade+0x900/0x900
[  376.241006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.246554]  cache_grow_begin+0xa5/0x8c0
[  376.250635]  ? do_raw_spin_unlock+0xa7/0x330
[  376.255089]  fallback_alloc+0x204/0x2e0
[  376.259073]  ____cache_alloc_node+0x1c7/0x1e0
[  376.263579]  kmem_cache_alloc_node+0xe3/0x730
[  376.268081]  ? ipv6_get_ifaddr+0x42e/0x620
[  376.272327]  __alloc_skb+0x119/0x770
[  376.276043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.281330]  ? netdev_alloc_frag+0x1f0/0x1f0
[  376.285738]  ? lock_downgrade+0x900/0x900
[  376.289893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.295431]  ? refcount_sub_and_test_checked+0x203/0x310
[  376.300889]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  376.306345]  ? addrconf_rs_timer+0x690/0x690
[  376.310773]  ndisc_alloc_skb+0x144/0x340
[  376.314840]  ndisc_send_rs+0x331/0x6e0
[  376.318734]  addrconf_rs_timer+0x314/0x690
[  376.322982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.327230]  call_timer_fn+0x272/0x920
[  376.331117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.335354]  ? process_timeout+0x40/0x40
[  376.339436]  ? __run_timers+0x7da/0xc70
[  376.343418]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.347914]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.352410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.356659]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.361243]  ? trace_hardirqs_on+0xbd/0x310
[  376.365567]  ? kasan_check_read+0x11/0x20
[  376.369720]  ? __run_timers+0x7da/0xc70
[  376.373699]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.378812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.383054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.387294]  __run_timers+0x7e5/0xc70
[  376.391109]  ? timer_fixup_init+0x70/0x70
[  376.395266]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.399766]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.404270]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.408860]  ? trace_hardirqs_on+0xbd/0x310
[  376.413187]  ? kasan_check_read+0x11/0x20
[  376.417336]  ? finish_task_switch+0x1f4/0x910
[  376.421836]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.426943]  ? compat_start_thread+0x80/0x80
[  376.431386]  ? pvclock_read_flags+0x160/0x160
[  376.435879]  ? __switch_to_asm+0x34/0x70
[  376.439946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.445486]  ? check_preemption_disabled+0x48/0x280
[  376.450517]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  376.456056]  ? rcu_pm_notify+0xc0/0xc0
[  376.459946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.465486]  ? check_preemption_disabled+0x48/0x280
[  376.470509]  run_timer_softirq+0x52/0xb0
[  376.474572]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.479591]  __do_softirq+0x308/0xb7e
[  376.483411]  ? trace_hardirqs_on_caller+0xc0/0x310
[  376.488345]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.493453]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.498911]  ? schedule+0x108/0x460
[  376.502542]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  376.507313]  ? trace_hardirqs_off+0xb8/0x310
[  376.511723]  ? smpboot_thread_fn+0x68b/0xa00
[  376.516314]  ? trace_hardirqs_on+0x310/0x310
[  376.520731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.526272]  ? check_preemption_disabled+0x48/0x280
[  376.531293]  ? takeover_tasklets+0xa90/0xa90
[  376.535706]  run_ksoftirqd+0x5e/0x100
[  376.539507]  smpboot_thread_fn+0x68b/0xa00
[  376.543746]  ? sort_range+0x30/0x30
[  376.547374]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  376.552669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.558210]  ? __kthread_parkme+0xfb/0x1a0
[  376.562451]  ? sort_range+0x30/0x30
[  376.566079]  kthread+0x35a/0x440
[  376.569451]  ? kthread_stop+0x900/0x900
[  376.573428]  ret_from_fork+0x3a/0x50
[  376.577163] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  376.577168] warn_alloc_show_mem: 1 callbacks suppressed
[  376.577175] Mem-Info:
[  376.584188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.589555] active_anon:56065 inactive_anon:190 isolated_anon:0
[  376.589555]  active_file:11 inactive_file:12 isolated_file:0
[  376.589555]  unevictable:0 dirty:0 writeback:0 unstable:0
[  376.589555]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  376.589555]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  376.589555]  free:13773 free_pcp:518 free_cma:0
[  376.591927] Call Trace:
[  376.601317] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  376.634161]  <IRQ>
[  376.636737] 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
[  376.664235]  dump_stack+0x244/0x39d
[  376.666362] lowmem_reserve[]: 0 2818 6321 6321
[  376.692695]  ? dump_stack_print_info.cold.1+0x20/0x20
[  376.696299] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  376.700890]  warn_alloc.cold.116+0xb7/0x1bd
[  376.706039] lowmem_reserve[]: 0 0 3503 3503
[  376.733535]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.737833] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  376.742153]  ? lock_downgrade+0x900/0x900
[  376.746967] lowmem_reserve[]: 0 0 0 0
[  376.775944]  ? trace_hardirqs_off+0xb8/0x310
[  376.780064] 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
[  376.783862]  ? trace_hardirqs_off+0xb8/0x310
[  376.788248] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  376.801783]  __alloc_pages_slowpath+0x26e8/0x2e10
[  376.806161] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  376.821367]  ? warn_alloc+0x120/0x120
[  376.826169] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  376.841076]  ? print_usage_bug+0xc0/0xc0
[  376.844856] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  376.853679]  ? warn_alloc+0x120/0x120
[  376.857716] 266 total pagecache pages
[  376.866289]  ? warn_alloc+0x120/0x120
[  376.870085] 0 pages in swap cache
[  376.873871]  ? print_usage_bug+0xc0/0xc0
[  376.877654] Swap cache stats: add 0, delete 0, find 0/0
[  376.881101]  ? kvm_clock_read+0x18/0x30
[  376.885145] Free swap  = 0kB
[  376.890505]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  376.894453] Total swap = 0kB
[  376.897465]  ? print_usage_bug+0xc0/0xc0
[  376.902454] 1965979 pages RAM
[  376.905471]  ? __lock_acquire+0x62f/0x4c20
[  376.909504] 0 pages HighMem/MovableOnly
[  376.909512] 342854 pages reserved
[  376.912625]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.916831] 0 pages cma reserved
[  376.920802]  ? should_fail+0x22d/0xd01
[  376.924306] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  376.929758]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.929777]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.933211] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  376.937016]  ? __lock_acquire+0x62f/0x4c20
[  376.943484] ksoftirqd/1 cpuset=/ mems_allowed=0
[  376.948756]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.978108]  ? __lock_acquire+0x62f/0x4c20
[  376.982347]  ? should_fail+0x22d/0xd01
[  376.986238]  ? rcu_irq_exit+0x1a2/0x390
[  376.990225]  ? mark_held_locks+0x130/0x130
[  376.994467]  ? mark_held_locks+0x130/0x130
[  376.998717]  ? mark_held_locks+0xc7/0x130
[  377.002869]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  377.007982]  ? zap_class+0x640/0x640
[  377.011697]  ? print_usage_bug+0xc0/0xc0
[  377.015764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.021304]  ? check_preemption_disabled+0x48/0x280
[  377.026333]  ? __lock_is_held+0xb5/0x140
[  377.030402]  __alloc_pages_nodemask+0xa80/0xde0
[  377.035077]  ? zap_class+0x640/0x640
[  377.038802]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  377.043835]  ? find_held_lock+0x36/0x1c0
[  377.047912]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.052588]  ? lock_downgrade+0x900/0x900
[  377.056755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.062300]  cache_grow_begin+0xa5/0x8c0
[  377.066366]  ? do_raw_spin_unlock+0xa7/0x330
[  377.070786]  fallback_alloc+0x204/0x2e0
[  377.074772]  ____cache_alloc_node+0x1c7/0x1e0
[  377.079275]  kmem_cache_alloc_node+0xe3/0x730
[  377.083774]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.088023]  __alloc_skb+0x119/0x770
[  377.091742]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.097029]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.101439]  ? lock_downgrade+0x900/0x900
[  377.105596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.111150]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.116605]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.122067]  ? addrconf_rs_timer+0x690/0x690
[  377.126494]  ndisc_alloc_skb+0x144/0x340
[  377.130561]  ndisc_send_rs+0x331/0x6e0
[  377.134454]  addrconf_rs_timer+0x314/0x690
[  377.138701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.142950]  call_timer_fn+0x272/0x920
[  377.146838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.151076]  ? process_timeout+0x40/0x40
[  377.155149]  ? mark_held_locks+0xc7/0x130
[  377.159298]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.163792]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.168296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.172539]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.177124]  ? trace_hardirqs_on+0xbd/0x310
[  377.181445]  ? kasan_check_read+0x11/0x20
[  377.185591]  ? __run_timers+0x7da/0xc70
[  377.189574]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.194684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.198928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.203161]  __run_timers+0x7e5/0xc70
[  377.206974]  ? timer_fixup_init+0x70/0x70
[  377.211129]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  377.216152]  ? zap_class+0x640/0x640
[  377.219875]  ? print_usage_bug+0xc0/0xc0
[  377.223963]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  377.229166]  ? find_held_lock+0x36/0x1c0
[  377.233236]  ? zap_class+0x640/0x640
[  377.236960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.242500]  ? check_preemption_disabled+0x48/0x280
[  377.247528]  ? __lock_is_held+0xb5/0x140
[  377.251597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.257144]  ? check_preemption_disabled+0x48/0x280
[  377.262169]  run_timer_softirq+0x52/0xb0
[  377.266235]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.271258]  __do_softirq+0x308/0xb7e
[  377.275063]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  377.279556]  ? lock_downgrade+0x900/0x900
[  377.283711]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.288827]  ? pvclock_read_flags+0x160/0x160
[  377.293326]  ? lapic_next_event+0x5a/0x90
[  377.297482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.303028]  ? kvm_clock_read+0x18/0x30
[  377.307008]  ? kvm_sched_clock_read+0x9/0x20
[  377.311423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.316963]  ? check_preemption_disabled+0x48/0x280
[  377.321990]  irq_exit+0x17f/0x1c0
[  377.325451]  smp_apic_timer_interrupt+0x1cb/0x760
[  377.330296]  ? smp_reschedule_interrupt+0x109/0x650
[  377.335313]  ? smp_call_function_single_interrupt+0x650/0x650
[  377.341203]  ? interrupt_entry+0xb5/0xc0
[  377.345270]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.350285]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.355305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.360151]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.365167]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.370188]  ? task_prio+0x50/0x50
[  377.373736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.379279]  ? check_preemption_disabled+0x48/0x280
[  377.384305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.389161]  apic_timer_interrupt+0xf/0x20
[  377.393388]  </IRQ>
[  377.395640] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  377.400835] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  377.419738] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  377.427445] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  377.434714] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  377.442001] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  377.449269] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  377.456538] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  377.463841]  retint_kernel+0x1b/0x2d
[  377.467565] RIP: 0010:dump_stack+0x358/0x39d
[  377.471977] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  377.490883] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  377.498589] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  377.505866] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  377.513137] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  377.520406] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  377.527675] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  377.534968]  ? dump_stack+0x34f/0x39d
[  377.538783]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.543978]  ? mark_held_locks+0x130/0x130
[  377.548218]  ? mark_held_locks+0x130/0x130
[  377.552461]  dump_header+0x27b/0xf72
[  377.556191]  ? pagefault_out_of_memory+0x197/0x197
[  377.561133]  ? __lock_acquire+0x62f/0x4c20
[  377.565371]  ? percpu_ref_get_many+0x240/0x240
[  377.569962]  ? print_usage_bug+0xc0/0xc0
[  377.574030]  ? zap_class+0x640/0x640
[  377.577748]  ? print_usage_bug+0xc0/0xc0
[  377.581811]  ? print_usage_bug+0xc0/0xc0
[  377.585876]  ? zap_class+0x640/0x640
[  377.589601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.595150]  ? find_held_lock+0x36/0x1c0
[  377.599221]  ? mark_held_locks+0xc7/0x130
[  377.603376]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  377.608476]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  377.613582]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  377.618171]  ? trace_hardirqs_on+0xbd/0x310
[  377.622492]  ? kasan_check_read+0x11/0x20
[  377.626649]  ? ___ratelimit+0x3b4/0x672
[  377.630632]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.635738]  ? trace_hardirqs_on+0x310/0x310
[  377.640155]  ? lock_downgrade+0x900/0x900
[  377.644311]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  377.649414]  ? ___ratelimit+0x3b9/0x672
[  377.653394]  ? idr_get_free+0xf70/0xf70
[  377.657369]  ? find_held_lock+0x36/0x1c0
[  377.661440]  oom_kill_process.cold.27+0x10/0x903
[  377.666197]  ? zap_class+0x640/0x640
[  377.669914]  ? check_preemption_disabled+0x48/0x280
[  377.675025]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  377.679957]  ? kasan_check_read+0x11/0x20
[  377.684107]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.689386]  ? oom_evaluate_task+0x540/0x540
[  377.693800]  ? find_held_lock+0x36/0x1c0
[  377.697873]  ? out_of_memory+0x974/0x1430
[  377.702032]  ? lock_downgrade+0x900/0x900
[  377.706183]  ? check_preemption_disabled+0x48/0x280
[  377.711203]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  377.716135]  ? kasan_check_read+0x11/0x20
[  377.720284]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.725563]  ? rcu_softirq_qs+0x20/0x20
[  377.729543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.735079]  ? oom_evaluate_task+0x302/0x540
[  377.739493]  out_of_memory+0xa84/0x1430
[  377.743481]  ? oom_killer_disable+0x3a0/0x3a0
[  377.747977]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  377.752915]  ? __ww_mutex_check_waiters+0x160/0x160
[  377.757946]  __alloc_pages_slowpath+0x2354/0x2e10
[  377.762821]  ? warn_alloc+0x120/0x120
[  377.766632]  ? mark_held_locks+0x130/0x130
[  377.770875]  ? find_get_entry+0xaae/0x1120
[  377.775127]  ? filemap_map_pages+0x1a20/0x1a20
[  377.779720]  ? zap_class+0x640/0x640
[  377.783442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.788981]  ? check_preemption_disabled+0x48/0x280
[  377.794004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.799543]  ? should_fail+0x22d/0xd01
[  377.803440]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.808553]  ? zap_class+0x640/0x640
[  377.812295]  ? __lock_is_held+0xb5/0x140
[  377.816371]  ? mark_held_locks+0x130/0x130
[  377.820611]  ? lock_release+0xa00/0xa00
[  377.824596]  ? perf_trace_sched_process_exec+0x860/0x860
[  377.830055]  ? xa_load+0x2ba/0x460
[  377.833599]  ? lock_downgrade+0x900/0x900
[  377.837763]  ? __might_sleep+0x95/0x190
[  377.841751]  __alloc_pages_nodemask+0xa80/0xde0
[  377.846444]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  377.851462]  ? __page_cache_alloc+0x191/0x5c0
[  377.855956]  ? xa_load+0x2e1/0x460
[  377.859501]  ? xa_clear_mark+0x40/0x40
[  377.863396]  ? zap_class+0x640/0x640
[  377.867122]  ? zap_class+0x640/0x640
[  377.870835]  ? zap_class+0x640/0x640
[  377.874551]  ? __do_page_cache_readahead+0x663/0x810
[  377.879664]  ? find_held_lock+0x36/0x1c0
[  377.883737]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  377.889286]  alloc_pages_current+0x173/0x350
[  377.893704]  __page_cache_alloc+0x38c/0x5c0
[  377.898028]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  377.902955]  ? kasan_check_read+0x11/0x20
[  377.907102]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.912383]  ? generic_perform_write+0x6a0/0x6a0
[  377.917141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.922687]  ? check_preemption_disabled+0x48/0x280
[  377.927715]  filemap_fault+0x1595/0x25f0
[  377.931792]  ? __lock_page_or_retry+0xa00/0xa00
[  377.936467]  ? mark_held_locks+0x130/0x130
[  377.940719]  ? filemap_map_pages+0xd6b/0x1a20
[  377.945223]  ? lock_downgrade+0x900/0x900
[  377.949377]  ? check_preemption_disabled+0x48/0x280
[  377.954396]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  377.959326]  ? kasan_check_read+0x11/0x20
[  377.963473]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.968750]  ? rcu_softirq_qs+0x20/0x20
[  377.972746]  ? filemap_map_pages+0xd92/0x1a20
[  377.977245]  ? __lock_acquire+0x62f/0x4c20
[  377.981489]  ? find_get_entries_tag+0x1400/0x1400
[  377.986354]  ? lock_acquire+0x1ed/0x520
[  377.990331]  ? ext4_filemap_fault+0x7a/0xad
[  377.994661]  ? lock_release+0xa00/0xa00
[  377.998641]  ? perf_trace_sched_process_exec+0x860/0x860
[  378.004098]  ? print_usage_bug+0xc0/0xc0
[  378.008166]  ? print_usage_bug+0xc0/0xc0
[  378.012243]  ? down_read+0x8d/0x120
[  378.015867]  ? ext4_filemap_fault+0x7a/0xad
[  378.020203]  ? __down_interruptible+0x700/0x700
[  378.024893]  ext4_filemap_fault+0x82/0xad
[  378.029046]  __do_fault+0x100/0x6b0
[  378.032683]  ? pmd_devmap_trans_unstable+0x220/0x220
[  378.037796]  ? mark_held_locks+0x130/0x130
[  378.042038]  ? mark_held_locks+0x130/0x130
[  378.046279]  ? __might_fault+0x12b/0x1e0
[  378.050344]  ? lock_downgrade+0x900/0x900
[  378.054505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.060051]  __handle_mm_fault+0x3ea0/0x5be0
[  378.064469]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  378.069318]  ? kasan_check_read+0x11/0x20
[  378.073466]  ? _copy_to_user+0xc8/0x110
[  378.077447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.083012]  ? zap_class+0x640/0x640
[  378.086726]  ? zap_class+0x640/0x640
[  378.090446]  ? find_held_lock+0x36/0x1c0
[  378.094520]  ? handle_mm_fault+0x42a/0xc70
[  378.098756]  ? lock_downgrade+0x900/0x900
[  378.102910]  ? check_preemption_disabled+0x48/0x280
[  378.107929]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.112861]  ? kasan_check_read+0x11/0x20
[  378.117013]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.122288]  ? rcu_softirq_qs+0x20/0x20
[  378.126268]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.131375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.136914]  ? check_preemption_disabled+0x48/0x280
[  378.141944]  handle_mm_fault+0x54f/0xc70
[  378.146013]  ? __handle_mm_fault+0x5be0/0x5be0
[  378.150604]  ? find_vma+0x34/0x190
[  378.154160]  __do_page_fault+0x5e8/0xe60
[  378.158223]  ? trace_hardirqs_off+0xb8/0x310
[  378.162652]  do_page_fault+0xf2/0x7e0
[  378.166458]  ? vmalloc_sync_all+0x30/0x30
[  378.170609]  ? error_entry+0x70/0xd0
[  378.174332]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.179352]  ? trace_hardirqs_on_caller+0xc0/0x310
[  378.184289]  ? syscall_return_slowpath+0x5e0/0x5e0
[  378.189220]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.194064]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.199084]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.204542]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  378.209563]  ? prepare_exit_to_usermode+0x291/0x3b0
[  378.214582]  ? page_fault+0x8/0x30
[  378.218134]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.222982]  ? page_fault+0x8/0x30
[  378.226527]  page_fault+0x1e/0x30
[  378.229978] RIP: 0033:0x4375fe
[  378.233184] Code: Bad RIP value.
[  378.236547] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  378.241910] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  378.249174] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  378.256444] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  378.263716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  378.270981] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  378.278277] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  378.278351] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  378.285205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.285211] Call Trace:
[  378.285231]  dump_stack+0x244/0x39d
[  378.285251]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.291781] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  378.301095]  warn_alloc.cold.116+0xb7/0x1bd
[  378.303645] syz-fuzzer cpuset=/ mems_allowed=0
[  378.307269]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.336353]  ? lock_downgrade+0x900/0x900
[  378.340519]  ? trace_hardirqs_off+0xb8/0x310
[  378.344942]  ? trace_hardirqs_off+0xb8/0x310
[  378.349360]  __alloc_pages_slowpath+0x26e8/0x2e10
[  378.354244]  ? warn_alloc+0x120/0x120
[  378.358056]  ? print_usage_bug+0xc0/0xc0
[  378.362119]  ? warn_alloc+0x120/0x120
[  378.365926]  ? warn_alloc+0x120/0x120
[  378.369735]  ? print_usage_bug+0xc0/0xc0
[  378.373808]  ? print_usage_bug+0xc0/0xc0
[  378.377878]  ? __lock_acquire+0x62f/0x4c20
[  378.382137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.387685]  ? should_fail+0x22d/0xd01
[  378.391579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.396688]  ? __lock_acquire+0x62f/0x4c20
[  378.400934]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.406036]  ? __lock_acquire+0x62f/0x4c20
[  378.410272]  ? should_fail+0x22d/0xd01
[  378.414163]  ? find_held_lock+0x36/0x1c0
[  378.418237]  ? mark_held_locks+0x130/0x130
[  378.422478]  ? mark_held_locks+0x130/0x130
[  378.426711]  ? zap_class+0x640/0x640
[  378.430436]  ? mark_held_locks+0xc7/0x130
[  378.434583]  ? do_raw_spin_unlock+0xa7/0x330
[  378.438998]  ? zap_class+0x640/0x640
[  378.442714]  ? print_usage_bug+0xc0/0xc0
[  378.446784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.452324]  ? check_preemption_disabled+0x48/0x280
[  378.457355]  ? __lock_is_held+0xb5/0x140
[  378.461433]  __alloc_pages_nodemask+0xa80/0xde0
[  378.466110]  ? zap_class+0x640/0x640
[  378.469832]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  378.474861]  ? find_held_lock+0x36/0x1c0
[  378.478939]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.483611]  ? lock_downgrade+0x900/0x900
[  378.487777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.493322]  cache_grow_begin+0xa5/0x8c0
[  378.497389]  ? do_raw_spin_unlock+0xa7/0x330
[  378.501812]  fallback_alloc+0x204/0x2e0
[  378.505804]  ____cache_alloc_node+0x1c7/0x1e0
[  378.510311]  kmem_cache_alloc_node+0xe3/0x730
[  378.514812]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.519062]  __alloc_skb+0x119/0x770
[  378.522776]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.528059]  ? netdev_alloc_frag+0x1f0/0x1f0
[  378.532469]  ? lock_downgrade+0x900/0x900
[  378.536635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.542180]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.547643]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.553251]  ? addrconf_rs_timer+0x690/0x690
[  378.557679]  ndisc_alloc_skb+0x144/0x340
[  378.561749]  ndisc_send_rs+0x331/0x6e0
[  378.565650]  addrconf_rs_timer+0x314/0x690
[  378.569893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.574145]  call_timer_fn+0x272/0x920
[  378.578034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.582272]  ? process_timeout+0x40/0x40
[  378.586341]  ? __run_timers+0x7da/0xc70
[  378.590320]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.594814]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.599310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.603544]  ? lockdep_hardirqs_on+0x296/0x5b0
[  378.608130]  ? trace_hardirqs_on+0xbd/0x310
[  378.612455]  ? kasan_check_read+0x11/0x20
[  378.616605]  ? __run_timers+0x7da/0xc70
[  378.620591]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.625710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.629952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.634188]  __run_timers+0x7e5/0xc70
[  378.638000]  ? timer_fixup_init+0x70/0x70
[  378.642151]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.646655]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.651152]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.655740]  ? trace_hardirqs_on+0xbd/0x310
[  378.660062]  ? kasan_check_read+0x11/0x20
[  378.664212]  ? finish_task_switch+0x1f4/0x910
[  378.668716]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.673821]  ? compat_start_thread+0x80/0x80
[  378.678256]  ? pvclock_read_flags+0x160/0x160
[  378.683270]  ? __switch_to_asm+0x34/0x70
[  378.687334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.692879]  ? check_preemption_disabled+0x48/0x280
[  378.697906]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  378.703450]  ? rcu_pm_notify+0xc0/0xc0
[  378.707344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.712886]  ? check_preemption_disabled+0x48/0x280
[  378.717908]  run_timer_softirq+0x52/0xb0
[  378.721974]  ? rcu_read_lock_sched_held+0x14f/0x180
[  378.726993]  __do_softirq+0x308/0xb7e
[  378.730801]  ? trace_hardirqs_on_caller+0xc0/0x310
[  378.735735]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.740844]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.746303]  ? schedule+0x108/0x460
[  378.749935]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  378.754706]  ? trace_hardirqs_off+0xb8/0x310
[  378.759123]  ? smpboot_thread_fn+0x68b/0xa00
[  378.763534]  ? trace_hardirqs_on+0x310/0x310
[  378.767951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.773492]  ? check_preemption_disabled+0x48/0x280
[  378.778514]  ? takeover_tasklets+0xa90/0xa90
[  378.782924]  run_ksoftirqd+0x5e/0x100
[  378.786730]  smpboot_thread_fn+0x68b/0xa00
[  378.790973]  ? sort_range+0x30/0x30
[  378.794605]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.799721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.805261]  ? __kthread_parkme+0xfb/0x1a0
[  378.809506]  ? sort_range+0x30/0x30
[  378.813136]  kthread+0x35a/0x440
[  378.816507]  ? kthread_stop+0x900/0x900
[  378.820484]  ret_from_fork+0x3a/0x50
[  378.824223] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  378.824229] warn_alloc_show_mem: 1 callbacks suppressed
[  378.824236] Mem-Info:
[  378.831246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.836614] active_anon:56065 inactive_anon:190 isolated_anon:0
[  378.836614]  active_file:11 inactive_file:12 isolated_file:0
[  378.836614]  unevictable:0 dirty:0 writeback:0 unstable:0
[  378.836614]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  378.836614]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  378.836614]  free:13773 free_pcp:518 free_cma:0
[  378.838987] Call Trace:
[  378.848383] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  378.881790]  <IRQ>
[  378.884360] 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
[  378.911858]  dump_stack+0x244/0x39d
[  378.913985] lowmem_reserve[]: 0 2818 6321 6321
[  378.940096]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.943696] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  378.948279]  warn_alloc.cold.116+0xb7/0x1bd
[  378.953440] lowmem_reserve[]: 0 0 3503 3503
[  378.980934]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.985229] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  378.989545]  ? lock_downgrade+0x900/0x900
[  378.994363] lowmem_reserve[]: 0 0 0 0
[  379.023339]  ? trace_hardirqs_off+0xb8/0x310
[  379.027462] 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
[  379.031263]  ? trace_hardirqs_off+0xb8/0x310
[  379.035646] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  379.049172]  __alloc_pages_slowpath+0x26e8/0x2e10
[  379.053551] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  379.068743]  ? warn_alloc+0x120/0x120
[  379.073545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  379.088462]  ? print_usage_bug+0xc0/0xc0
[  379.092247] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  379.101067]  ? warn_alloc+0x120/0x120
[  379.105102] 266 total pagecache pages
[  379.113669]  ? warn_alloc+0x120/0x120
[  379.117448] 0 pages in swap cache
[  379.121240]  ? print_usage_bug+0xc0/0xc0
[  379.125022] Swap cache stats: add 0, delete 0, find 0/0
[  379.128467]  ? print_usage_bug+0xc0/0xc0
[  379.132504] Free swap  = 0kB
[  379.137859]  ? __lock_acquire+0x62f/0x4c20
[  379.141894] Total swap = 0kB
[  379.144917]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.149124] 1965979 pages RAM
[  379.152137]  ? should_fail+0x22d/0xd01
[  379.157649] 0 pages HighMem/MovableOnly
[  379.160749]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.164611] 342854 pages reserved
[  379.168587]  ? __lock_acquire+0x62f/0x4c20
[  379.173663] 0 pages cma reserved
[  379.177110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.181420] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.184675]  ? __lock_acquire+0x62f/0x4c20
[  379.184688]  ? should_fail+0x22d/0xd01
[  379.184702]  ? find_held_lock+0x36/0x1c0
[  379.184724]  ? mark_held_locks+0x130/0x130
[  379.189859] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.196300]  ? mark_held_locks+0x130/0x130
[  379.200514] ksoftirqd/1 cpuset=/ mems_allowed=0
[  379.204391]  ? zap_class+0x640/0x640
[  379.204407]  ? zap_class+0x640/0x640
[  379.239237]  ? print_usage_bug+0xc0/0xc0
[  379.243299]  ? do_raw_spin_unlock+0xa7/0x330
[  379.247708]  ? zap_class+0x640/0x640
[  379.251422]  ? print_usage_bug+0xc0/0xc0
[  379.255481]  ? wq_watchdog_touch+0x9c/0xfe
[  379.259726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.265272]  ? check_preemption_disabled+0x48/0x280
[  379.270300]  ? __lock_is_held+0xb5/0x140
[  379.274376]  __alloc_pages_nodemask+0xa80/0xde0
[  379.279048]  ? zap_class+0x640/0x640
[  379.282767]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  379.287797]  ? find_held_lock+0x36/0x1c0
[  379.291873]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.296550]  ? lock_downgrade+0x900/0x900
[  379.300706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.306249]  cache_grow_begin+0xa5/0x8c0
[  379.310314]  ? do_raw_spin_unlock+0xa7/0x330
[  379.314732]  fallback_alloc+0x204/0x2e0
[  379.318717]  ____cache_alloc_node+0x1c7/0x1e0
[  379.323222]  kmem_cache_alloc_node+0xe3/0x730
[  379.327720]  ? ipv6_get_ifaddr+0x42e/0x620
[  379.331966]  __alloc_skb+0x119/0x770
[  379.335680]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.340964]  ? netdev_alloc_frag+0x1f0/0x1f0
[  379.345375]  ? lock_downgrade+0x900/0x900
[  379.349531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.355069]  ? refcount_sub_and_test_checked+0x203/0x310
[  379.360523]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  379.365975]  ? addrconf_rs_timer+0x690/0x690
[  379.370401]  ndisc_alloc_skb+0x144/0x340
[  379.374472]  ndisc_send_rs+0x331/0x6e0
[  379.378372]  addrconf_rs_timer+0x314/0x690
[  379.382613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.386876]  call_timer_fn+0x272/0x920
[  379.390771]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.395011]  ? process_timeout+0x40/0x40
[  379.399085]  ? mark_held_locks+0xc7/0x130
[  379.403241]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.407735]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.412232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.416468]  ? lockdep_hardirqs_on+0x296/0x5b0
[  379.421055]  ? trace_hardirqs_on+0xbd/0x310
[  379.425376]  ? kasan_check_read+0x11/0x20
[  379.429521]  ? __run_timers+0x7da/0xc70
[  379.433497]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.438611]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.442868]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.447112]  __run_timers+0x7e5/0xc70
[  379.450928]  ? timer_fixup_init+0x70/0x70
[  379.455085]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  379.460105]  ? zap_class+0x640/0x640
[  379.463825]  ? print_usage_bug+0xc0/0xc0
[  379.467896]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  379.473099]  ? find_held_lock+0x36/0x1c0
[  379.477169]  ? zap_class+0x640/0x640
[  379.480895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.486435]  ? check_preemption_disabled+0x48/0x280
[  379.491461]  ? __lock_is_held+0xb5/0x140
[  379.495527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.501068]  ? check_preemption_disabled+0x48/0x280
[  379.506092]  run_timer_softirq+0x52/0xb0
[  379.510158]  ? rcu_read_lock_sched_held+0x14f/0x180
[  379.515209]  __do_softirq+0x308/0xb7e
[  379.519047]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  379.523542]  ? lock_downgrade+0x900/0x900
[  379.527701]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  379.532814]  ? pvclock_read_flags+0x160/0x160
[  379.537311]  ? lapic_next_event+0x5a/0x90
[  379.541467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.547010]  ? kvm_clock_read+0x18/0x30
[  379.550988]  ? kvm_sched_clock_read+0x9/0x20
[  379.555401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.560941]  ? check_preemption_disabled+0x48/0x280
[  379.565972]  irq_exit+0x17f/0x1c0
[  379.569428]  smp_apic_timer_interrupt+0x1cb/0x760
[  379.574269]  ? smp_reschedule_interrupt+0x109/0x650
[  379.579286]  ? smp_call_function_single_interrupt+0x650/0x650
[  379.585169]  ? interrupt_entry+0xb5/0xc0
[  379.589235]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.594252]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.599273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.604121]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.609135]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.614150]  ? task_prio+0x50/0x50
[  379.617695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.623238]  ? check_preemption_disabled+0x48/0x280
[  379.628262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.633117]  apic_timer_interrupt+0xf/0x20
[  379.637351]  </IRQ>
[  379.639608] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  379.644813] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  379.663714] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  379.671420] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  379.678685] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  379.685956] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  379.693224] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  379.700492] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  379.707803]  retint_kernel+0x1b/0x2d
[  379.711520] RIP: 0010:dump_stack+0x358/0x39d
[  379.715933] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  379.734831] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  379.742537] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  379.749805] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  379.757073] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  379.764341] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  379.771607] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  379.778913]  ? dump_stack+0x34f/0x39d
[  379.782730]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.787930]  ? mark_held_locks+0x130/0x130
[  379.792168]  ? mark_held_locks+0x130/0x130
[  379.796408]  dump_header+0x27b/0xf72
[  379.800138]  ? pagefault_out_of_memory+0x197/0x197
[  379.805081]  ? __lock_acquire+0x62f/0x4c20
[  379.809322]  ? percpu_ref_get_many+0x240/0x240
[  379.813916]  ? print_usage_bug+0xc0/0xc0
[  379.817989]  ? zap_class+0x640/0x640
[  379.821707]  ? print_usage_bug+0xc0/0xc0
[  379.825776]  ? print_usage_bug+0xc0/0xc0
[  379.829839]  ? zap_class+0x640/0x640
[  379.833557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.839105]  ? find_held_lock+0x36/0x1c0
[  379.843176]  ? mark_held_locks+0xc7/0x130
[  379.847331]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  379.852434]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  379.857538]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  379.862127]  ? trace_hardirqs_on+0xbd/0x310
[  379.866448]  ? kasan_check_read+0x11/0x20
[  379.870598]  ? ___ratelimit+0x3b4/0x672
[  379.874593]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.879710]  ? trace_hardirqs_on+0x310/0x310
[  379.884126]  ? lock_downgrade+0x900/0x900
[  379.888283]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  379.893390]  ? ___ratelimit+0x3b9/0x672
[  379.897369]  ? idr_get_free+0xf70/0xf70
[  379.901344]  ? find_held_lock+0x36/0x1c0
[  379.905416]  oom_kill_process.cold.27+0x10/0x903
[  379.910174]  ? zap_class+0x640/0x640
[  379.913895]  ? check_preemption_disabled+0x48/0x280
[  379.918916]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.923846]  ? kasan_check_read+0x11/0x20
[  379.927998]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.933280]  ? oom_evaluate_task+0x540/0x540
[  379.937694]  ? find_held_lock+0x36/0x1c0
[  379.941785]  ? out_of_memory+0x974/0x1430
[  379.945942]  ? lock_downgrade+0x900/0x900
[  379.950093]  ? check_preemption_disabled+0x48/0x280
[  379.955112]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.960041]  ? kasan_check_read+0x11/0x20
[  379.964192]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.969473]  ? rcu_softirq_qs+0x20/0x20
[  379.973457]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.978993]  ? oom_evaluate_task+0x302/0x540
[  379.983406]  out_of_memory+0xa84/0x1430
[  379.987390]  ? oom_killer_disable+0x3a0/0x3a0
[  379.991895]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  379.996831]  ? __ww_mutex_check_waiters+0x160/0x160
[  380.001862]  __alloc_pages_slowpath+0x2354/0x2e10
[  380.006740]  ? warn_alloc+0x120/0x120
[  380.010540]  ? mark_held_locks+0x130/0x130
[  380.014788]  ? find_get_entry+0xaae/0x1120
[  380.019038]  ? filemap_map_pages+0x1a20/0x1a20
[  380.023633]  ? zap_class+0x640/0x640
[  380.027354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.032901]  ? check_preemption_disabled+0x48/0x280
[  380.037921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.043463]  ? should_fail+0x22d/0xd01
[  380.047355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.052466]  ? zap_class+0x640/0x640
[  380.056208]  ? __lock_is_held+0xb5/0x140
[  380.060280]  ? mark_held_locks+0x130/0x130
[  380.064524]  ? lock_release+0xa00/0xa00
[  380.068504]  ? perf_trace_sched_process_exec+0x860/0x860
[  380.073957]  ? xa_load+0x2ba/0x460
[  380.077513]  ? lock_downgrade+0x900/0x900
[  380.081672]  ? __might_sleep+0x95/0x190
[  380.085663]  __alloc_pages_nodemask+0xa80/0xde0
[  380.090346]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  380.095362]  ? __page_cache_alloc+0x191/0x5c0
[  380.099860]  ? xa_load+0x2e1/0x460
[  380.103410]  ? xa_clear_mark+0x40/0x40
[  380.107303]  ? zap_class+0x640/0x640
[  380.111031]  ? zap_class+0x640/0x640
[  380.114762]  ? zap_class+0x640/0x640
[  380.118485]  ? __do_page_cache_readahead+0x663/0x810
[  380.123593]  ? find_held_lock+0x36/0x1c0
[  380.127671]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  380.133216]  alloc_pages_current+0x173/0x350
[  380.137641]  __page_cache_alloc+0x38c/0x5c0
[  380.141965]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  380.146901]  ? kasan_check_read+0x11/0x20
[  380.151048]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.156332]  ? generic_perform_write+0x6a0/0x6a0
[  380.161089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.166641]  ? check_preemption_disabled+0x48/0x280
[  380.171668]  filemap_fault+0x1595/0x25f0
[  380.175747]  ? __lock_page_or_retry+0xa00/0xa00
[  380.180419]  ? mark_held_locks+0x130/0x130
[  380.184670]  ? filemap_map_pages+0xd6b/0x1a20
[  380.189168]  ? lock_downgrade+0x900/0x900
[  380.193317]  ? check_preemption_disabled+0x48/0x280
[  380.198336]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  380.203263]  ? kasan_check_read+0x11/0x20
[  380.207410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.212686]  ? rcu_softirq_qs+0x20/0x20
[  380.216678]  ? filemap_map_pages+0xd92/0x1a20
[  380.221197]  ? __lock_acquire+0x62f/0x4c20
[  380.225444]  ? find_get_entries_tag+0x1400/0x1400
[  380.230313]  ? lock_acquire+0x1ed/0x520
[  380.234288]  ? ext4_filemap_fault+0x7a/0xad
[  380.238628]  ? lock_release+0xa00/0xa00
[  380.242602]  ? perf_trace_sched_process_exec+0x860/0x860
[  380.248066]  ? print_usage_bug+0xc0/0xc0
[  380.252128]  ? print_usage_bug+0xc0/0xc0
[  380.256219]  ? down_read+0x8d/0x120
[  380.259843]  ? ext4_filemap_fault+0x7a/0xad
[  380.264164]  ? __down_interruptible+0x700/0x700
[  380.268848]  ext4_filemap_fault+0x82/0xad
[  380.273006]  __do_fault+0x100/0x6b0
[  380.276648]  ? pmd_devmap_trans_unstable+0x220/0x220
[  380.281761]  ? mark_held_locks+0x130/0x130
[  380.285999]  ? mark_held_locks+0x130/0x130
[  380.290234]  ? __might_fault+0x12b/0x1e0
[  380.294302]  ? lock_downgrade+0x900/0x900
[  380.298461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.304005]  __handle_mm_fault+0x3ea0/0x5be0
[  380.308426]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  380.313274]  ? kasan_check_read+0x11/0x20
[  380.317423]  ? _copy_to_user+0xc8/0x110
[  380.321405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.326958]  ? zap_class+0x640/0x640
[  380.330673]  ? zap_class+0x640/0x640
[  380.334396]  ? find_held_lock+0x36/0x1c0
[  380.338469]  ? handle_mm_fault+0x42a/0xc70
[  380.342706]  ? lock_downgrade+0x900/0x900
[  380.346852]  ? check_preemption_disabled+0x48/0x280
[  380.351884]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  380.356813]  ? kasan_check_read+0x11/0x20
[  380.360962]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.366242]  ? rcu_softirq_qs+0x20/0x20
[  380.370217]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.375322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.380862]  ? check_preemption_disabled+0x48/0x280
[  380.385904]  handle_mm_fault+0x54f/0xc70
[  380.389974]  ? __handle_mm_fault+0x5be0/0x5be0
[  380.394578]  ? find_vma+0x34/0x190
[  380.398132]  __do_page_fault+0x5e8/0xe60
[  380.402199]  ? trace_hardirqs_off+0xb8/0x310
[  380.406627]  do_page_fault+0xf2/0x7e0
[  380.410435]  ? vmalloc_sync_all+0x30/0x30
[  380.414589]  ? error_entry+0x70/0xd0
[  380.418314]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.423333]  ? trace_hardirqs_on_caller+0xc0/0x310
[  380.428269]  ? syscall_return_slowpath+0x5e0/0x5e0
[  380.433200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.438044]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.443063]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  380.448516]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  380.453536]  ? prepare_exit_to_usermode+0x291/0x3b0
[  380.458557]  ? page_fault+0x8/0x30
[  380.462101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.466954]  ? page_fault+0x8/0x30
[  380.470496]  page_fault+0x1e/0x30
[  380.473947] RIP: 0033:0x4375fe
[  380.477149] Code: Bad RIP value.
[  380.480514] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  380.485876] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  380.493150] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  380.500422] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  380.507693] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  380.514972] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  380.522287] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  380.522351] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.529213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.529218] Call Trace:
[  380.529240]  dump_stack+0x244/0x39d
[  380.529259]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.535823] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.545095]  warn_alloc.cold.116+0xb7/0x1bd
[  380.547647] syz-fuzzer cpuset=/ mems_allowed=0
[  380.551451]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.580551]  ? lock_downgrade+0x900/0x900
[  380.584713]  ? trace_hardirqs_off+0xb8/0x310
[  380.589152]  ? trace_hardirqs_off+0xb8/0x310
[  380.593572]  __alloc_pages_slowpath+0x26e8/0x2e10
[  380.598450]  ? warn_alloc+0x120/0x120
[  380.602259]  ? print_usage_bug+0xc0/0xc0
[  380.606325]  ? warn_alloc+0x120/0x120
[  380.610140]  ? warn_alloc+0x120/0x120
[  380.613949]  ? print_usage_bug+0xc0/0xc0
[  380.618022]  ? print_usage_bug+0xc0/0xc0
[  380.622086]  ? __lock_acquire+0x62f/0x4c20
[  380.626331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.631870]  ? should_fail+0x22d/0xd01
[  380.635765]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.640871]  ? __lock_acquire+0x62f/0x4c20
[  380.645148]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.650254]  ? __lock_acquire+0x62f/0x4c20
[  380.654488]  ? should_fail+0x22d/0xd01
[  380.658388]  ? find_held_lock+0x36/0x1c0
[  380.662465]  ? mark_held_locks+0x130/0x130
[  380.666707]  ? mark_held_locks+0x130/0x130
[  380.670944]  ? zap_class+0x640/0x640
[  380.674659]  ? zap_class+0x640/0x640
[  380.678375]  ? print_usage_bug+0xc0/0xc0
[  380.682925]  ? do_raw_spin_unlock+0xa7/0x330
[  380.687335]  ? zap_class+0x640/0x640
[  380.691050]  ? print_usage_bug+0xc0/0xc0
[  380.695114]  ? wq_watchdog_touch+0x9c/0xfe
[  380.699358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.704902]  ? check_preemption_disabled+0x48/0x280
[  380.709929]  ? __lock_is_held+0xb5/0x140
[  380.714001]  __alloc_pages_nodemask+0xa80/0xde0
[  380.718671]  ? zap_class+0x640/0x640
[  380.722402]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  380.727431]  ? find_held_lock+0x36/0x1c0
[  380.731509]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.736183]  ? lock_downgrade+0x900/0x900
[  380.740343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.745894]  cache_grow_begin+0xa5/0x8c0
[  380.749955]  ? do_raw_spin_unlock+0xa7/0x330
[  380.754376]  fallback_alloc+0x204/0x2e0
[  380.758369]  ____cache_alloc_node+0x1c7/0x1e0
[  380.762883]  kmem_cache_alloc_node+0xe3/0x730
[  380.767390]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.771644]  __alloc_skb+0x119/0x770
[  380.775360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.780654]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.785064]  ? lock_downgrade+0x900/0x900
[  380.789223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.794766]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.800239]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.805694]  ? addrconf_rs_timer+0x690/0x690
[  380.810121]  ndisc_alloc_skb+0x144/0x340
[  380.814191]  ndisc_send_rs+0x331/0x6e0
[  380.818091]  addrconf_rs_timer+0x314/0x690
[  380.822341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.826594]  call_timer_fn+0x272/0x920
[  380.830496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.834739]  ? process_timeout+0x40/0x40
[  380.838815]  ? __run_timers+0x7da/0xc70
[  380.842795]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.847290]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.851784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.856023]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.860609]  ? trace_hardirqs_on+0xbd/0x310
[  380.864945]  ? kasan_check_read+0x11/0x20
[  380.869091]  ? __run_timers+0x7da/0xc70
[  380.873068]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.878184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.882426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.886663]  __run_timers+0x7e5/0xc70
[  380.890482]  ? timer_fixup_init+0x70/0x70
[  380.894637]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.899139]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.903646]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  380.908238]  ? trace_hardirqs_on+0xbd/0x310
[  380.912561]  ? kasan_check_read+0x11/0x20
[  380.916721]  ? finish_task_switch+0x1f4/0x910
[  380.921223]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.926332]  ? compat_start_thread+0x80/0x80
[  380.930769]  ? pvclock_read_flags+0x160/0x160
[  380.935266]  ? __switch_to_asm+0x34/0x70
[  380.939334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.944876]  ? check_preemption_disabled+0x48/0x280
[  380.949909]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  380.955452]  ? rcu_pm_notify+0xc0/0xc0
[  380.959343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.964886]  ? check_preemption_disabled+0x48/0x280
[  380.969913]  run_timer_softirq+0x52/0xb0
[  380.973978]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.978998]  __do_softirq+0x308/0xb7e
[  380.982808]  ? trace_hardirqs_on_caller+0xc0/0x310
[  380.987743]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.992847]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  380.998310]  ? schedule+0x108/0x460
[  381.001937]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  381.006705]  ? trace_hardirqs_off+0xb8/0x310
[  381.011118]  ? smpboot_thread_fn+0x68b/0xa00
[  381.015532]  ? trace_hardirqs_on+0x310/0x310
[  381.019942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.025484]  ? check_preemption_disabled+0x48/0x280
[  381.030508]  ? takeover_tasklets+0xa90/0xa90
[  381.034921]  run_ksoftirqd+0x5e/0x100
[  381.038726]  smpboot_thread_fn+0x68b/0xa00
[  381.042966]  ? sort_range+0x30/0x30
[  381.046595]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  381.051711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.057252]  ? __kthread_parkme+0xfb/0x1a0
[  381.061491]  ? sort_range+0x30/0x30
[  381.065119]  kthread+0x35a/0x440
[  381.068488]  ? kthread_stop+0x900/0x900
[  381.072466]  ret_from_fork+0x3a/0x50
[  381.076202] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  381.076207] warn_alloc_show_mem: 1 callbacks suppressed
[  381.076215] Mem-Info:
[  381.083223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  381.083232] Call Trace:
[  381.088606] active_anon:56065 inactive_anon:190 isolated_anon:0
[  381.088606]  active_file:11 inactive_file:12 isolated_file:0
[  381.088606]  unevictable:0 dirty:0 writeback:0 unstable:0
[  381.088606]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  381.088606]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  381.088606]  free:13773 free_pcp:518 free_cma:0
[  381.090983]  <IRQ>
[  381.100344] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  381.102934]  dump_stack+0x244/0x39d
[  381.135799] 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
[  381.137956]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.165437] lowmem_reserve[]: 0 2818 6321 6321
[  381.169119]  warn_alloc.cold.116+0xb7/0x1bd
[  381.195195] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  381.200378]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  381.204939] lowmem_reserve[]: 0 0 3503 3503
[  381.209260]  ? lock_downgrade+0x900/0x900
[  381.236731] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  381.241570]  ? trace_hardirqs_off+0xb8/0x310
[  381.245864] lowmem_reserve[]: 0 0 0 0
[  381.250018]  ? trace_hardirqs_off+0xb8/0x310
[  381.278982] 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
[  381.283393]  __alloc_pages_slowpath+0x26e8/0x2e10
[  381.287167] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  381.291593]  ? warn_alloc+0x120/0x120
[  381.305068] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  381.309910]  ? print_usage_bug+0xc0/0xc0
[  381.325062] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  381.328852]  ? warn_alloc+0x120/0x120
[  381.343745] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  381.347791]  ? warn_alloc+0x120/0x120
[  381.356603] 266 total pagecache pages
[  381.360403]  ? print_usage_bug+0xc0/0xc0
[  381.360422]  ? kvm_clock_read+0x18/0x30
[  381.369030] 0 pages in swap cache
[  381.372822]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  381.376603] Swap cache stats: add 0, delete 0, find 0/0
[  381.380662]  ? print_usage_bug+0xc0/0xc0
[  381.384610] Free swap  = 0kB
[  381.388080]  ? __lock_acquire+0x62f/0x4c20
[  381.393077] Total swap = 0kB
[  381.398435]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.402472] 1965979 pages RAM
[  381.405485]  ? should_fail+0x22d/0xd01
[  381.409697] 0 pages HighMem/MovableOnly
[  381.412711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.418221] 342854 pages reserved
[  381.421322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.425188] 0 pages cma reserved
[  381.429156]  ? __lock_acquire+0x62f/0x4c20
[  381.434476] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  381.437853]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.443020] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  381.446295]  ? __lock_acquire+0x62f/0x4c20
[  381.450504] ksoftirqd/1 cpuset=/ mems_allowed=0
[  381.456986]  ? should_fail+0x22d/0xd01
[  381.485109]  ? rcu_irq_exit+0x1a2/0x390
[  381.489095]  ? mark_held_locks+0x130/0x130
[  381.493335]  ? mark_held_locks+0x130/0x130
[  381.497579]  ? mark_held_locks+0xc7/0x130
[  381.501732]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  381.506749]  ? zap_class+0x640/0x640
[  381.510465]  ? print_usage_bug+0xc0/0xc0
[  381.514554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.520119]  ? check_preemption_disabled+0x48/0x280
[  381.525151]  ? __lock_is_held+0xb5/0x140
[  381.529222]  __alloc_pages_nodemask+0xa80/0xde0
[  381.533896]  ? zap_class+0x640/0x640
[  381.537628]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.542664]  ? find_held_lock+0x36/0x1c0
[  381.546741]  ? ____cache_alloc_node+0x1c7/0x1e0
[  381.551412]  ? lock_downgrade+0x900/0x900
[  381.555573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.561120]  cache_grow_begin+0xa5/0x8c0
[  381.565180]  ? do_raw_spin_unlock+0xa7/0x330
[  381.569599]  fallback_alloc+0x204/0x2e0
[  381.573594]  ____cache_alloc_node+0x1c7/0x1e0
[  381.578105]  kmem_cache_alloc_node+0xe3/0x730
[  381.582605]  ? ipv6_get_ifaddr+0x42e/0x620
[  381.586863]  __alloc_skb+0x119/0x770
[  381.590582]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.595864]  ? netdev_alloc_frag+0x1f0/0x1f0
[  381.600276]  ? lock_downgrade+0x900/0x900
[  381.604435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.609974]  ? refcount_sub_and_test_checked+0x203/0x310
[  381.615433]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  381.620893]  ? addrconf_rs_timer+0x690/0x690
[  381.625319]  ndisc_alloc_skb+0x144/0x340
[  381.629389]  ndisc_send_rs+0x331/0x6e0
[  381.633291]  addrconf_rs_timer+0x314/0x690
[  381.637556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.641803]  call_timer_fn+0x272/0x920
[  381.645689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.649929]  ? process_timeout+0x40/0x40
[  381.654006]  ? mark_held_locks+0xc7/0x130
[  381.658160]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.662653]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.667150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.671387]  ? lockdep_hardirqs_on+0x296/0x5b0
[  381.675976]  ? trace_hardirqs_on+0xbd/0x310
[  381.680297]  ? kasan_check_read+0x11/0x20
[  381.684450]  ? __run_timers+0x7da/0xc70
[  381.688431]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.693545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.697790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.702024]  __run_timers+0x7e5/0xc70
[  381.705841]  ? timer_fixup_init+0x70/0x70
[  381.709994]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  381.715013]  ? zap_class+0x640/0x640
[  381.718733]  ? print_usage_bug+0xc0/0xc0
[  381.722800]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  381.728003]  ? find_held_lock+0x36/0x1c0
[  381.732075]  ? zap_class+0x640/0x640
[  381.735795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.741334]  ? check_preemption_disabled+0x48/0x280
[  381.746364]  ? __lock_is_held+0xb5/0x140
[  381.750427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.755965]  ? check_preemption_disabled+0x48/0x280
[  381.760994]  run_timer_softirq+0x52/0xb0
[  381.765060]  ? rcu_read_lock_sched_held+0x14f/0x180
[  381.770082]  __do_softirq+0x308/0xb7e
[  381.773897]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  381.778398]  ? lock_downgrade+0x900/0x900
[  381.782552]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  381.787667]  ? pvclock_read_flags+0x160/0x160
[  381.792165]  ? lapic_next_event+0x5a/0x90
[  381.796338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.801884]  ? kvm_clock_read+0x18/0x30
[  381.805861]  ? kvm_sched_clock_read+0x9/0x20
[  381.810280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.815824]  ? check_preemption_disabled+0x48/0x280
[  381.820857]  irq_exit+0x17f/0x1c0
[  381.824320]  smp_apic_timer_interrupt+0x1cb/0x760
[  381.829162]  ? smp_reschedule_interrupt+0x109/0x650
[  381.834181]  ? smp_call_function_single_interrupt+0x650/0x650
[  381.840069]  ? interrupt_entry+0xb5/0xc0
[  381.844131]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.849145]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.854164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.859011]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.864025]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.869043]  ? task_prio+0x50/0x50
[  381.872587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.878132]  ? check_preemption_disabled+0x48/0x280
[  381.883159]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.888018]  apic_timer_interrupt+0xf/0x20
[  381.892249]  </IRQ>
[  381.894491] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  381.899684] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  381.918582] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  381.926298] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  381.933566] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  381.940836] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  381.948102] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  381.955367] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  381.962676]  retint_kernel+0x1b/0x2d
[  381.966393] RIP: 0010:dump_stack+0x358/0x39d
[  381.970803] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  381.989703] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  381.997408] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  382.004676] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  382.011943] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  382.019213] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  382.026480] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  382.033775]  ? dump_stack+0x34f/0x39d
[  382.037590]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.042794]  ? mark_held_locks+0x130/0x130
[  382.047030]  ? mark_held_locks+0x130/0x130
[  382.051275]  dump_header+0x27b/0xf72
[  382.055005]  ? pagefault_out_of_memory+0x197/0x197
[  382.059943]  ? __lock_acquire+0x62f/0x4c20
[  382.064184]  ? percpu_ref_get_many+0x240/0x240
[  382.068772]  ? print_usage_bug+0xc0/0xc0
[  382.072842]  ? zap_class+0x640/0x640
[  382.076557]  ? print_usage_bug+0xc0/0xc0
[  382.080631]  ? print_usage_bug+0xc0/0xc0
[  382.084700]  ? zap_class+0x640/0x640
[  382.088424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.093969]  ? find_held_lock+0x36/0x1c0
[  382.098042]  ? mark_held_locks+0xc7/0x130
[  382.102193]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  382.107295]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  382.112403]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  382.116994]  ? trace_hardirqs_on+0xbd/0x310
[  382.121315]  ? kasan_check_read+0x11/0x20
[  382.125461]  ? ___ratelimit+0x3b4/0x672
[  382.129437]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.134539]  ? trace_hardirqs_on+0x310/0x310
[  382.138946]  ? lock_downgrade+0x900/0x900
[  382.143104]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  382.148212]  ? ___ratelimit+0x3b9/0x672
[  382.152188]  ? idr_get_free+0xf70/0xf70
[  382.156161]  ? find_held_lock+0x36/0x1c0
[  382.160233]  oom_kill_process.cold.27+0x10/0x903
[  382.164993]  ? zap_class+0x640/0x640
[  382.168714]  ? check_preemption_disabled+0x48/0x280
[  382.173735]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  382.178662]  ? kasan_check_read+0x11/0x20
[  382.182809]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.188093]  ? oom_evaluate_task+0x540/0x540
[  382.192511]  ? find_held_lock+0x36/0x1c0
[  382.196580]  ? out_of_memory+0x974/0x1430
[  382.200732]  ? lock_downgrade+0x900/0x900
[  382.204889]  ? check_preemption_disabled+0x48/0x280
[  382.209914]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  382.214842]  ? kasan_check_read+0x11/0x20
[  382.218992]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.224272]  ? rcu_softirq_qs+0x20/0x20
[  382.228254]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.233791]  ? oom_evaluate_task+0x302/0x540
[  382.238208]  out_of_memory+0xa84/0x1430
[  382.242190]  ? oom_killer_disable+0x3a0/0x3a0
[  382.246689]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  382.251632]  ? __ww_mutex_check_waiters+0x160/0x160
[  382.256671]  __alloc_pages_slowpath+0x2354/0x2e10
[  382.261555]  ? warn_alloc+0x120/0x120
[  382.265357]  ? mark_held_locks+0x130/0x130
[  382.269596]  ? find_get_entry+0xaae/0x1120
[  382.273856]  ? filemap_map_pages+0x1a20/0x1a20
[  382.278448]  ? zap_class+0x640/0x640
[  382.282172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.287714]  ? check_preemption_disabled+0x48/0x280
[  382.292730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.298271]  ? should_fail+0x22d/0xd01
[  382.302163]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.307271]  ? zap_class+0x640/0x640
[  382.311014]  ? __lock_is_held+0xb5/0x140
[  382.315088]  ? mark_held_locks+0x130/0x130
[  382.319330]  ? lock_release+0xa00/0xa00
[  382.323308]  ? perf_trace_sched_process_exec+0x860/0x860
[  382.328758]  ? xa_load+0x2ba/0x460
[  382.332302]  ? lock_downgrade+0x900/0x900
[  382.336460]  ? __might_sleep+0x95/0x190
[  382.340440]  __alloc_pages_nodemask+0xa80/0xde0
[  382.345118]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  382.350137]  ? __page_cache_alloc+0x191/0x5c0
[  382.354642]  ? xa_load+0x2e1/0x460
[  382.358189]  ? xa_clear_mark+0x40/0x40
[  382.362084]  ? zap_class+0x640/0x640
[  382.365810]  ? zap_class+0x640/0x640
[  382.369525]  ? zap_class+0x640/0x640
[  382.373238]  ? __do_page_cache_readahead+0x663/0x810
[  382.378350]  ? find_held_lock+0x36/0x1c0
[  382.382415]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  382.387964]  alloc_pages_current+0x173/0x350
[  382.392381]  __page_cache_alloc+0x38c/0x5c0
[  382.396704]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  382.401642]  ? kasan_check_read+0x11/0x20
[  382.405795]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.411074]  ? generic_perform_write+0x6a0/0x6a0
[  382.415832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.421370]  ? check_preemption_disabled+0x48/0x280
[  382.426398]  filemap_fault+0x1595/0x25f0
[  382.430491]  ? __lock_page_or_retry+0xa00/0xa00
[  382.435162]  ? mark_held_locks+0x130/0x130
[  382.439407]  ? filemap_map_pages+0xd6b/0x1a20
[  382.443913]  ? lock_downgrade+0x900/0x900
[  382.448062]  ? check_preemption_disabled+0x48/0x280
[  382.453083]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  382.458013]  ? kasan_check_read+0x11/0x20
[  382.462159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.467439]  ? rcu_softirq_qs+0x20/0x20
[  382.471431]  ? filemap_map_pages+0xd92/0x1a20
[  382.475930]  ? __lock_acquire+0x62f/0x4c20
[  382.480178]  ? find_get_entries_tag+0x1400/0x1400
[  382.485043]  ? lock_acquire+0x1ed/0x520
[  382.489018]  ? ext4_filemap_fault+0x7a/0xad
[  382.493346]  ? lock_release+0xa00/0xa00
[  382.497322]  ? perf_trace_sched_process_exec+0x860/0x860
[  382.502780]  ? print_usage_bug+0xc0/0xc0
[  382.506849]  ? print_usage_bug+0xc0/0xc0
[  382.510929]  ? down_read+0x8d/0x120
[  382.514571]  ? ext4_filemap_fault+0x7a/0xad
[  382.518904]  ? __down_interruptible+0x700/0x700
[  382.523597]  ext4_filemap_fault+0x82/0xad
[  382.527761]  __do_fault+0x100/0x6b0
[  382.531394]  ? pmd_devmap_trans_unstable+0x220/0x220
[  382.536503]  ? mark_held_locks+0x130/0x130
[  382.540740]  ? mark_held_locks+0x130/0x130
[  382.544979]  ? __might_fault+0x12b/0x1e0
[  382.549045]  ? lock_downgrade+0x900/0x900
[  382.553438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.558987]  __handle_mm_fault+0x3ea0/0x5be0
[  382.563409]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  382.568262]  ? kasan_check_read+0x11/0x20
[  382.572427]  ? _copy_to_user+0xc8/0x110
[  382.576406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.581959]  ? zap_class+0x640/0x640
[  382.585675]  ? zap_class+0x640/0x640
[  382.589397]  ? find_held_lock+0x36/0x1c0
[  382.593469]  ? handle_mm_fault+0x42a/0xc70
[  382.597707]  ? lock_downgrade+0x900/0x900
[  382.601858]  ? check_preemption_disabled+0x48/0x280
[  382.606889]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  382.611820]  ? kasan_check_read+0x11/0x20
[  382.615973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.621253]  ? rcu_softirq_qs+0x20/0x20
[  382.625230]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.630336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.635874]  ? check_preemption_disabled+0x48/0x280
[  382.640910]  handle_mm_fault+0x54f/0xc70
[  382.644976]  ? __handle_mm_fault+0x5be0/0x5be0
[  382.649569]  ? find_vma+0x34/0x190
[  382.653115]  __do_page_fault+0x5e8/0xe60
[  382.657178]  ? trace_hardirqs_off+0xb8/0x310
[  382.661597]  do_page_fault+0xf2/0x7e0
[  382.665423]  ? vmalloc_sync_all+0x30/0x30
[  382.669572]  ? error_entry+0x70/0xd0
[  382.673287]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.678305]  ? trace_hardirqs_on_caller+0xc0/0x310
[  382.683352]  ? syscall_return_slowpath+0x5e0/0x5e0
[  382.688283]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.693130]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.698150]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  382.703605]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  382.708641]  ? prepare_exit_to_usermode+0x291/0x3b0
[  382.713659]  ? page_fault+0x8/0x30
[  382.717204]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.722065]  ? page_fault+0x8/0x30
[  382.725633]  page_fault+0x1e/0x30
[  382.729089] RIP: 0033:0x4375fe
[  382.732320] Code: Bad RIP value.
[  382.735685] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  382.741048] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  382.748316] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  382.755581] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  382.762850] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  382.770136] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  382.777441] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  382.777505] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.784385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.784406] Call Trace:
[  382.784440]  dump_stack+0x244/0x39d
[  382.784459]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.790987] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.800287]  warn_alloc.cold.116+0xb7/0x1bd
[  382.802839] syz-fuzzer cpuset=/ mems_allowed=0
[  382.806462]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.835573]  ? lock_downgrade+0x900/0x900
[  382.839733]  ? trace_hardirqs_off+0xb8/0x310
[  382.844153]  ? trace_hardirqs_off+0xb8/0x310
[  382.848575]  __alloc_pages_slowpath+0x26e8/0x2e10
[  382.853470]  ? warn_alloc+0x120/0x120
[  382.857320]  ? print_usage_bug+0xc0/0xc0
[  382.861405]  ? warn_alloc+0x120/0x120
[  382.865213]  ? warn_alloc+0x120/0x120
[  382.869019]  ? print_usage_bug+0xc0/0xc0
[  382.873087]  ? print_usage_bug+0xc0/0xc0
[  382.877154]  ? __lock_acquire+0x62f/0x4c20
[  382.881406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.886945]  ? should_fail+0x22d/0xd01
[  382.890839]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.895943]  ? __lock_acquire+0x62f/0x4c20
[  382.900188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.905323]  ? __lock_acquire+0x62f/0x4c20
[  382.909558]  ? should_fail+0x22d/0xd01
[  382.913448]  ? find_held_lock+0x36/0x1c0
[  382.917518]  ? mark_held_locks+0x130/0x130
[  382.921764]  ? mark_held_locks+0x130/0x130
[  382.925997]  ? zap_class+0x640/0x640
[  382.929715]  ? mark_held_locks+0xc7/0x130
[  382.933866]  ? do_raw_spin_unlock+0xa7/0x330
[  382.938279]  ? zap_class+0x640/0x640
[  382.941997]  ? print_usage_bug+0xc0/0xc0
[  382.946063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.951606]  ? check_preemption_disabled+0x48/0x280
[  382.956652]  ? __lock_is_held+0xb5/0x140
[  382.960724]  __alloc_pages_nodemask+0xa80/0xde0
[  382.965398]  ? zap_class+0x640/0x640
[  382.969119]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  382.974153]  ? find_held_lock+0x36/0x1c0
[  382.978226]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.982898]  ? lock_downgrade+0x900/0x900
[  382.987058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.992608]  cache_grow_begin+0xa5/0x8c0
[  382.996682]  ? do_raw_spin_unlock+0xa7/0x330
[  383.001102]  fallback_alloc+0x204/0x2e0
[  383.005084]  ____cache_alloc_node+0x1c7/0x1e0
[  383.009590]  kmem_cache_alloc_node+0xe3/0x730
[  383.014098]  ? ipv6_get_ifaddr+0x42e/0x620
[  383.018347]  __alloc_skb+0x119/0x770
[  383.022067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.027352]  ? netdev_alloc_frag+0x1f0/0x1f0
[  383.031769]  ? lock_downgrade+0x900/0x900
[  383.035930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.041475]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.046935]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.052404]  ? addrconf_rs_timer+0x690/0x690
[  383.056830]  ndisc_alloc_skb+0x144/0x340
[  383.060897]  ndisc_send_rs+0x331/0x6e0
[  383.064792]  addrconf_rs_timer+0x314/0x690
[  383.069033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.073283]  call_timer_fn+0x272/0x920
[  383.077171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.081412]  ? process_timeout+0x40/0x40
[  383.085484]  ? __run_timers+0x7da/0xc70
[  383.089460]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.093953]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.098447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.102687]  ? lockdep_hardirqs_on+0x296/0x5b0
[  383.107278]  ? trace_hardirqs_on+0xbd/0x310
[  383.111600]  ? kasan_check_read+0x11/0x20
[  383.115753]  ? __run_timers+0x7da/0xc70
[  383.119730]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.124837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.129077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.133309]  __run_timers+0x7e5/0xc70
[  383.137121]  ? timer_fixup_init+0x70/0x70
[  383.141296]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.145790]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.150319]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.154905]  ? trace_hardirqs_on+0xbd/0x310
[  383.159225]  ? kasan_check_read+0x11/0x20
[  383.163376]  ? finish_task_switch+0x1f4/0x910
[  383.167878]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.172984]  ? compat_start_thread+0x80/0x80
[  383.177425]  ? pvclock_read_flags+0x160/0x160
[  383.181918]  ? __switch_to_asm+0x34/0x70
[  383.185986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.191531]  ? check_preemption_disabled+0x48/0x280
[  383.196558]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  383.202099]  ? rcu_pm_notify+0xc0/0xc0
[  383.206007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.211563]  ? check_preemption_disabled+0x48/0x280
[  383.216602]  run_timer_softirq+0x52/0xb0
[  383.220704]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.225725]  __do_softirq+0x308/0xb7e
[  383.229534]  ? trace_hardirqs_on_caller+0xc0/0x310
[  383.234470]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.239574]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  383.245035]  ? schedule+0x108/0x460
[  383.248667]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  383.253443]  ? trace_hardirqs_off+0xb8/0x310
[  383.257852]  ? smpboot_thread_fn+0x68b/0xa00
[  383.262266]  ? trace_hardirqs_on+0x310/0x310
[  383.266677]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.272216]  ? check_preemption_disabled+0x48/0x280
[  383.277239]  ? takeover_tasklets+0xa90/0xa90
[  383.281654]  run_ksoftirqd+0x5e/0x100
[  383.285461]  smpboot_thread_fn+0x68b/0xa00
[  383.289700]  ? sort_range+0x30/0x30
[  383.293328]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  383.298447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.303990]  ? __kthread_parkme+0xfb/0x1a0
[  383.308232]  ? sort_range+0x30/0x30
[  383.311864]  kthread+0x35a/0x440
[  383.315236]  ? kthread_stop+0x900/0x900
[  383.319213]  ret_from_fork+0x3a/0x50
[  383.322943] warn_alloc_show_mem: 1 callbacks suppressed
[  383.322955] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  383.322957] Mem-Info:
[  383.322989] active_anon:56065 inactive_anon:190 isolated_anon:0
[  383.322989]  active_file:11 inactive_file:12 isolated_file:0
[  383.322989]  unevictable:0 dirty:0 writeback:0 unstable:0
[  383.322989]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  383.322989]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  383.322989]  free:13773 free_pcp:518 free_cma:0
[  383.328324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  383.335340] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  383.337736] Call Trace:
[  383.370603] 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
[  383.379951]  <IRQ>
[  383.407432] lowmem_reserve[]: 0 2818 6321 6321
[  383.410015]  dump_stack+0x244/0x39d
[  383.436094] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  383.438245]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.442801] lowmem_reserve[]: 0 0 3503 3503
[  383.446436]  warn_alloc.cold.116+0xb7/0x1bd
[  383.473901] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  383.479084]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  383.483384] lowmem_reserve[]: 0 0 0 0
[  383.487703]  ? lock_downgrade+0x900/0x900
[  383.516647] 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
[  383.521521]  ? trace_hardirqs_off+0xb8/0x310
[  383.525290] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  383.529434]  ? trace_hardirqs_off+0xb8/0x310
[  383.542929] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  383.547361]  __alloc_pages_slowpath+0x26e8/0x2e10
[  383.562518] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  383.566937]  ? warn_alloc+0x120/0x120
[  383.581808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  383.586645]  ? print_usage_bug+0xc0/0xc0
[  383.595459] 266 total pagecache pages
[  383.599251]  ? warn_alloc+0x120/0x120
[  383.607816] 0 pages in swap cache
[  383.611868]  ? warn_alloc+0x120/0x120
[  383.615652] Swap cache stats: add 0, delete 0, find 0/0
[  383.619439]  ? print_usage_bug+0xc0/0xc0
[  383.622866] Free swap  = 0kB
[  383.626665]  ? print_usage_bug+0xc0/0xc0
[  383.632004] Total swap = 0kB
[  383.636060]  ? __lock_acquire+0x62f/0x4c20
[  383.639061] 1965979 pages RAM
[  383.643117]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.646109] 0 pages HighMem/MovableOnly
[  383.650337]  ? should_fail+0x22d/0xd01
[  383.653418] 342854 pages reserved
[  383.658950]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.662902] 0 pages cma reserved
[  383.666787]  ? __lock_acquire+0x62f/0x4c20
[  383.670284] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  383.675313]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.675327]  ? __lock_acquire+0x62f/0x4c20
[  383.675343]  ? should_fail+0x22d/0xd01
[  383.678790] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  383.682917]  ? find_held_lock+0x36/0x1c0
[  383.682942]  ? mark_held_locks+0x130/0x130
[  383.689543] ksoftirqd/1 cpuset=/ mems_allowed=0
[  383.694656]  ? mark_held_locks+0x130/0x130
[  383.730248]  ? zap_class+0x640/0x640
[  383.733964]  ? zap_class+0x640/0x640
[  383.737683]  ? print_usage_bug+0xc0/0xc0
[  383.741745]  ? do_raw_spin_unlock+0xa7/0x330
[  383.746153]  ? zap_class+0x640/0x640
[  383.749872]  ? print_usage_bug+0xc0/0xc0
[  383.753939]  ? wq_watchdog_touch+0x9c/0xfe
[  383.758178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.763719]  ? check_preemption_disabled+0x48/0x280
[  383.768749]  ? __lock_is_held+0xb5/0x140
[  383.772819]  __alloc_pages_nodemask+0xa80/0xde0
[  383.777492]  ? zap_class+0x640/0x640
[  383.781214]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  383.786247]  ? find_held_lock+0x36/0x1c0
[  383.790352]  ? ____cache_alloc_node+0x1c7/0x1e0
[  383.795033]  ? lock_downgrade+0x900/0x900
[  383.799190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.804739]  cache_grow_begin+0xa5/0x8c0
[  383.808806]  ? do_raw_spin_unlock+0xa7/0x330
[  383.813224]  fallback_alloc+0x204/0x2e0
[  383.817208]  ____cache_alloc_node+0x1c7/0x1e0
[  383.821713]  kmem_cache_alloc_node+0xe3/0x730
[  383.826210]  ? ipv6_get_ifaddr+0x42e/0x620
[  383.830460]  __alloc_skb+0x119/0x770
[  383.834172]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.839456]  ? netdev_alloc_frag+0x1f0/0x1f0
[  383.843870]  ? lock_downgrade+0x900/0x900
[  383.848037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.853580]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.859034]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.864484]  ? addrconf_rs_timer+0x690/0x690
[  383.868912]  ndisc_alloc_skb+0x144/0x340
[  383.872980]  ndisc_send_rs+0x331/0x6e0
[  383.876875]  addrconf_rs_timer+0x314/0x690
[  383.881123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.885397]  call_timer_fn+0x272/0x920
[  383.889303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.893544]  ? process_timeout+0x40/0x40
[  383.897626]  ? mark_held_locks+0xc7/0x130
[  383.901783]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.906275]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.910768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.915005]  ? lockdep_hardirqs_on+0x296/0x5b0
[  383.919589]  ? trace_hardirqs_on+0xbd/0x310
[  383.923918]  ? kasan_check_read+0x11/0x20
[  383.928068]  ? __run_timers+0x7da/0xc70
[  383.932046]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.937156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.941428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.945675]  __run_timers+0x7e5/0xc70
[  383.949486]  ? timer_fixup_init+0x70/0x70
[  383.953646]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  383.958683]  ? zap_class+0x640/0x640
[  383.962404]  ? print_usage_bug+0xc0/0xc0
[  383.966473]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  383.971672]  ? find_held_lock+0x36/0x1c0
[  383.975743]  ? zap_class+0x640/0x640
[  383.979462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.985009]  ? check_preemption_disabled+0x48/0x280
[  383.990055]  ? __lock_is_held+0xb5/0x140
[  383.994121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.999659]  ? check_preemption_disabled+0x48/0x280
[  384.004680]  run_timer_softirq+0x52/0xb0
[  384.008746]  ? rcu_read_lock_sched_held+0x14f/0x180
[  384.013768]  __do_softirq+0x308/0xb7e
[  384.017589]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  384.022092]  ? lock_downgrade+0x900/0x900
[  384.026249]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  384.031361]  ? pvclock_read_flags+0x160/0x160
[  384.035864]  ? lapic_next_event+0x5a/0x90
[  384.040020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.045582]  ? kvm_clock_read+0x18/0x30
[  384.049558]  ? kvm_sched_clock_read+0x9/0x20
[  384.053973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.059514]  ? check_preemption_disabled+0x48/0x280
[  384.064586]  irq_exit+0x17f/0x1c0
[  384.068052]  smp_apic_timer_interrupt+0x1cb/0x760
[  384.072902]  ? smp_reschedule_interrupt+0x109/0x650
[  384.077920]  ? smp_call_function_single_interrupt+0x650/0x650
[  384.083808]  ? interrupt_entry+0xb5/0xc0
[  384.087873]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.092900]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.097923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.102770]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.107786]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.112804]  ? task_prio+0x50/0x50
[  384.116346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.121896]  ? check_preemption_disabled+0x48/0x280
[  384.126924]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.131777]  apic_timer_interrupt+0xf/0x20
[  384.136004]  </IRQ>
[  384.138243] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  384.143435] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  384.162333] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  384.170042] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  384.177308] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  384.184574] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  384.191844] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  384.199111] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  384.206438]  retint_kernel+0x1b/0x2d
[  384.210154] RIP: 0010:dump_stack+0x358/0x39d
[  384.214571] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  384.233471] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  384.241181] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  384.248445] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  384.255711] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  384.262979] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  384.270248] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  384.277535]  ? dump_stack+0x34f/0x39d
[  384.281350]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.286545]  ? mark_held_locks+0x130/0x130
[  384.290784]  ? mark_held_locks+0x130/0x130
[  384.295027]  dump_header+0x27b/0xf72
[  384.298756]  ? pagefault_out_of_memory+0x197/0x197
[  384.303693]  ? __lock_acquire+0x62f/0x4c20
[  384.307930]  ? percpu_ref_get_many+0x240/0x240
[  384.312521]  ? print_usage_bug+0xc0/0xc0
[  384.316588]  ? zap_class+0x640/0x640
[  384.320314]  ? print_usage_bug+0xc0/0xc0
[  384.324375]  ? print_usage_bug+0xc0/0xc0
[  384.328437]  ? zap_class+0x640/0x640
[  384.332155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.337702]  ? find_held_lock+0x36/0x1c0
[  384.341776]  ? mark_held_locks+0xc7/0x130
[  384.345928]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  384.351029]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  384.356136]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  384.360722]  ? trace_hardirqs_on+0xbd/0x310
[  384.365044]  ? kasan_check_read+0x11/0x20
[  384.369195]  ? ___ratelimit+0x3b4/0x672
[  384.373173]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.378279]  ? trace_hardirqs_on+0x310/0x310
[  384.382690]  ? lock_downgrade+0x900/0x900
[  384.386848]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  384.391958]  ? ___ratelimit+0x3b9/0x672
[  384.395937]  ? idr_get_free+0xf70/0xf70
[  384.399915]  ? find_held_lock+0x36/0x1c0
[  384.403985]  oom_kill_process.cold.27+0x10/0x903
[  384.408745]  ? zap_class+0x640/0x640
[  384.412460]  ? check_preemption_disabled+0x48/0x280
[  384.417498]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.422425]  ? kasan_check_read+0x11/0x20
[  384.426575]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.431853]  ? oom_evaluate_task+0x540/0x540
[  384.436273]  ? find_held_lock+0x36/0x1c0
[  384.440375]  ? out_of_memory+0x974/0x1430
[  384.444525]  ? lock_downgrade+0x900/0x900
[  384.448674]  ? check_preemption_disabled+0x48/0x280
[  384.453701]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.458639]  ? kasan_check_read+0x11/0x20
[  384.462790]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.468070]  ? rcu_softirq_qs+0x20/0x20
[  384.472053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.477589]  ? oom_evaluate_task+0x302/0x540
[  384.482009]  out_of_memory+0xa84/0x1430
[  384.485999]  ? oom_killer_disable+0x3a0/0x3a0
[  384.490496]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  384.495428]  ? __ww_mutex_check_waiters+0x160/0x160
[  384.500463]  __alloc_pages_slowpath+0x2354/0x2e10
[  384.505338]  ? warn_alloc+0x120/0x120
[  384.509140]  ? mark_held_locks+0x130/0x130
[  384.513391]  ? find_get_entry+0xaae/0x1120
[  384.517662]  ? filemap_map_pages+0x1a20/0x1a20
[  384.522265]  ? zap_class+0x640/0x640
[  384.525991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.531530]  ? check_preemption_disabled+0x48/0x280
[  384.536547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.542088]  ? should_fail+0x22d/0xd01
[  384.545982]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.551344]  ? zap_class+0x640/0x640
[  384.555086]  ? __lock_is_held+0xb5/0x140
[  384.559160]  ? mark_held_locks+0x130/0x130
[  384.563398]  ? lock_release+0xa00/0xa00
[  384.567375]  ? perf_trace_sched_process_exec+0x860/0x860
[  384.572829]  ? xa_load+0x2ba/0x460
[  384.576389]  ? lock_downgrade+0x900/0x900
[  384.580545]  ? __might_sleep+0x95/0x190
[  384.584526]  __alloc_pages_nodemask+0xa80/0xde0
[  384.589207]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  384.594290]  ? __page_cache_alloc+0x191/0x5c0
[  384.598785]  ? xa_load+0x2e1/0x460
[  384.602327]  ? xa_clear_mark+0x40/0x40
[  384.606217]  ? zap_class+0x640/0x640
[  384.609942]  ? zap_class+0x640/0x640
[  384.613657]  ? zap_class+0x640/0x640
[  384.617373]  ? __do_page_cache_readahead+0x663/0x810
[  384.622481]  ? find_held_lock+0x36/0x1c0
[  384.626554]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  384.632098]  alloc_pages_current+0x173/0x350
[  384.636520]  __page_cache_alloc+0x38c/0x5c0
[  384.640851]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.645786]  ? kasan_check_read+0x11/0x20
[  384.649933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.655212]  ? generic_perform_write+0x6a0/0x6a0
[  384.659974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.665518]  ? check_preemption_disabled+0x48/0x280
[  384.670544]  filemap_fault+0x1595/0x25f0
[  384.674628]  ? __lock_page_or_retry+0xa00/0xa00
[  384.679302]  ? mark_held_locks+0x130/0x130
[  384.683728]  ? filemap_map_pages+0xd6b/0x1a20
[  384.688229]  ? lock_downgrade+0x900/0x900
[  384.692378]  ? check_preemption_disabled+0x48/0x280
[  384.697402]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.702337]  ? kasan_check_read+0x11/0x20
[  384.706491]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.711770]  ? rcu_softirq_qs+0x20/0x20
[  384.715761]  ? filemap_map_pages+0xd92/0x1a20
[  384.720261]  ? __lock_acquire+0x62f/0x4c20
[  384.724505]  ? find_get_entries_tag+0x1400/0x1400
[  384.729373]  ? lock_acquire+0x1ed/0x520
[  384.733351]  ? ext4_filemap_fault+0x7a/0xad
[  384.737680]  ? lock_release+0xa00/0xa00
[  384.741697]  ? perf_trace_sched_process_exec+0x860/0x860
[  384.747151]  ? print_usage_bug+0xc0/0xc0
[  384.751227]  ? print_usage_bug+0xc0/0xc0
[  384.755305]  ? down_read+0x8d/0x120
[  384.758929]  ? ext4_filemap_fault+0x7a/0xad
[  384.763257]  ? __down_interruptible+0x700/0x700
[  384.767936]  ext4_filemap_fault+0x82/0xad
[  384.772089]  __do_fault+0x100/0x6b0
[  384.775724]  ? pmd_devmap_trans_unstable+0x220/0x220
[  384.780832]  ? mark_held_locks+0x130/0x130
[  384.785070]  ? mark_held_locks+0x130/0x130
[  384.789307]  ? __might_fault+0x12b/0x1e0
[  384.793371]  ? lock_downgrade+0x900/0x900
[  384.797532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.803075]  __handle_mm_fault+0x3ea0/0x5be0
[  384.807495]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  384.812344]  ? kasan_check_read+0x11/0x20
[  384.816492]  ? _copy_to_user+0xc8/0x110
[  384.820476]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.826024]  ? zap_class+0x640/0x640
[  384.829739]  ? zap_class+0x640/0x640
[  384.833466]  ? find_held_lock+0x36/0x1c0
[  384.837538]  ? handle_mm_fault+0x42a/0xc70
[  384.841780]  ? lock_downgrade+0x900/0x900
[  384.845937]  ? check_preemption_disabled+0x48/0x280
[  384.850962]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.855897]  ? kasan_check_read+0x11/0x20
[  384.860043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.865334]  ? rcu_softirq_qs+0x20/0x20
[  384.869312]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.874417]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.879959]  ? check_preemption_disabled+0x48/0x280
[  384.884984]  handle_mm_fault+0x54f/0xc70
[  384.889050]  ? __handle_mm_fault+0x5be0/0x5be0
[  384.893644]  ? find_vma+0x34/0x190
[  384.897193]  __do_page_fault+0x5e8/0xe60
[  384.901258]  ? trace_hardirqs_off+0xb8/0x310
[  384.905682]  do_page_fault+0xf2/0x7e0
[  384.909489]  ? vmalloc_sync_all+0x30/0x30
[  384.913648]  ? error_entry+0x70/0xd0
[  384.917368]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.922388]  ? trace_hardirqs_on_caller+0xc0/0x310
[  384.927323]  ? syscall_return_slowpath+0x5e0/0x5e0
[  384.932251]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.937097]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.942116]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  384.947572]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  384.952589]  ? prepare_exit_to_usermode+0x291/0x3b0
[  384.957625]  ? page_fault+0x8/0x30
[  384.961173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.966018]  ? page_fault+0x8/0x30
[  384.969558]  page_fault+0x1e/0x30
[  384.973013] RIP: 0033:0x4375fe
[  384.976219] Code: Bad RIP value.
[  384.979582] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  384.984947] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  384.992214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  384.999483] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  385.006748] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  385.014015] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  385.021315] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  385.021379] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  385.028245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.028250] Call Trace:
[  385.028271]  dump_stack+0x244/0x39d
[  385.028291]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.034855] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.044124]  warn_alloc.cold.116+0xb7/0x1bd
[  385.046675] syz-fuzzer cpuset=/ mems_allowed=0
[  385.050298]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.079383]  ? lock_downgrade+0x900/0x900
[  385.083542]  ? trace_hardirqs_off+0xb8/0x310
[  385.087958]  ? trace_hardirqs_off+0xb8/0x310
[  385.092377]  ? noop_count+0x40/0x40
[  385.096022]  __alloc_pages_slowpath+0x26e8/0x2e10
[  385.100885]  ? check_usage+0x1aa/0x790
[  385.104780]  ? warn_alloc+0x120/0x120
[  385.108587]  ? warn_alloc+0x120/0x120
[  385.112403]  ? __bfs+0x321/0x780
[  385.115779]  ? print_usage_bug+0xc0/0xc0
[  385.119861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.125403]  ? should_fail+0x22d/0xd01
[  385.129294]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  385.135182]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.140318]  ? __lock_acquire+0x62f/0x4c20
[  385.144558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.149663]  ? should_fail+0x22d/0xd01
[  385.153563]  ? mark_held_locks+0x130/0x130
[  385.157811]  ? mark_held_locks+0x130/0x130
[  385.162054]  ? kasan_check_read+0x11/0x20
[  385.166202]  ? __lock_acquire+0x2aff/0x4c20
[  385.170525]  ? zap_class+0x640/0x640
[  385.174253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.179795]  ? check_preemption_disabled+0x48/0x280
[  385.184827]  ? __lock_is_held+0xb5/0x140
[  385.188899]  __alloc_pages_nodemask+0xa80/0xde0
[  385.193567]  ? zap_class+0x640/0x640
[  385.197291]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  385.202324]  ? find_held_lock+0x36/0x1c0
[  385.206401]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.211100]  ? lock_downgrade+0x900/0x900
[  385.215263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.220810]  cache_grow_begin+0xa5/0x8c0
[  385.224874]  ? do_raw_spin_unlock+0xa7/0x330
[  385.229296]  fallback_alloc+0x204/0x2e0
[  385.233279]  ____cache_alloc_node+0x1c7/0x1e0
[  385.237785]  kmem_cache_alloc_node+0xe3/0x730
[  385.242281]  ? do_raw_spin_unlock+0xa7/0x330
[  385.246695]  ? do_raw_spin_trylock+0x270/0x270
[  385.251289]  __alloc_skb+0x119/0x770
[  385.255013]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.259438]  ? atomic_notifier_call_chain+0xc6/0x190
[  385.264544]  ? lock_downgrade+0x900/0x900
[  385.268693]  ? check_preemption_disabled+0x48/0x280
[  385.273720]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  385.278653]  ? kasan_check_read+0x11/0x20
[  385.282801]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.288085]  ? rcu_softirq_qs+0x20/0x20
[  385.292067]  ? kasan_check_read+0x11/0x20
[  385.296252]  ? do_raw_write_trylock+0x270/0x270
[  385.300931]  __neigh_notify+0x8c/0x160
[  385.304824]  ? neigh_connected_output+0x780/0x780
[  385.309674]  neigh_timer_handler+0x6cb/0xdf0
[  385.314085]  ? check_preemption_disabled+0x48/0x280
[  385.319109]  ? neigh_periodic_work+0xc60/0xc60
[  385.323694]  ? __lock_is_held+0xb5/0x140
[  385.327770]  call_timer_fn+0x272/0x920
[  385.331661]  ? neigh_periodic_work+0xc60/0xc60
[  385.336249]  ? process_timeout+0x40/0x40
[  385.340320]  ? __run_timers+0x7da/0xc70
[  385.344330]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.348824]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.353319]  ? neigh_periodic_work+0xc60/0xc60
[  385.357901]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.362487]  ? trace_hardirqs_on+0xbd/0x310
[  385.366809]  ? kasan_check_read+0x11/0x20
[  385.370957]  ? __run_timers+0x7da/0xc70
[  385.374937]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.380058]  ? neigh_periodic_work+0xc60/0xc60
[  385.384651]  __run_timers+0x7e5/0xc70
[  385.388482]  ? timer_fixup_init+0x70/0x70
[  385.392642]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.397143]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.401651]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.406238]  ? trace_hardirqs_on+0xbd/0x310
[  385.410559]  ? kasan_check_read+0x11/0x20
[  385.414710]  ? finish_task_switch+0x1f4/0x910
[  385.419210]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.424315]  ? compat_start_thread+0x80/0x80
[  385.428751]  ? pvclock_read_flags+0x160/0x160
[  385.433245]  ? __switch_to_asm+0x34/0x70
[  385.437354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.442913]  ? check_preemption_disabled+0x48/0x280
[  385.447944]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  385.453484]  ? rcu_pm_notify+0xc0/0xc0
[  385.457385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.462929]  ? check_preemption_disabled+0x48/0x280
[  385.467958]  run_timer_softirq+0x52/0xb0
[  385.472020]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.477040]  __do_softirq+0x308/0xb7e
[  385.480851]  ? trace_hardirqs_on_caller+0xc0/0x310
[  385.485786]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.490891]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  385.496350]  ? schedule+0x108/0x460
[  385.499984]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  385.504755]  ? trace_hardirqs_off+0xb8/0x310
[  385.509167]  ? smpboot_thread_fn+0x68b/0xa00
[  385.513580]  ? trace_hardirqs_on+0x310/0x310
[  385.517991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.523531]  ? check_preemption_disabled+0x48/0x280
[  385.528553]  ? takeover_tasklets+0xa90/0xa90
[  385.532965]  run_ksoftirqd+0x5e/0x100
[  385.536770]  smpboot_thread_fn+0x68b/0xa00
[  385.541012]  ? sort_range+0x30/0x30
[  385.544648]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  385.549754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.555293]  ? __kthread_parkme+0xfb/0x1a0
[  385.559532]  ? sort_range+0x30/0x30
[  385.563159]  kthread+0x35a/0x440
[  385.566530]  ? kthread_stop+0x900/0x900
[  385.570511]  ret_from_fork+0x3a/0x50
[  385.574247] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  385.574252] warn_alloc_show_mem: 1 callbacks suppressed
[  385.574259] Mem-Info:
[  385.581269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.586647] active_anon:56065 inactive_anon:190 isolated_anon:0
[  385.586647]  active_file:11 inactive_file:12 isolated_file:0
[  385.586647]  unevictable:0 dirty:0 writeback:0 unstable:0
[  385.586647]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  385.586647]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  385.586647]  free:13773 free_pcp:518 free_cma:0
[  385.589016] Call Trace:
[  385.598409] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  385.631252]  <IRQ>
[  385.633822] 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
[  385.661316]  dump_stack+0x244/0x39d
[  385.663444] lowmem_reserve[]: 0 2818 6321 6321
[  385.689554]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.693156] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  385.697740]  warn_alloc.cold.116+0xb7/0x1bd
[  385.702896] lowmem_reserve[]: 0 0 3503 3503
[  385.730390]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.734693] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  385.739010]  ? lock_downgrade+0x900/0x900
[  385.743833] lowmem_reserve[]: 0 0 0 0
[  385.772899]  ? trace_hardirqs_off+0xb8/0x310
[  385.777017] 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
[  385.780820]  ? trace_hardirqs_off+0xb8/0x310
[  385.785204] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  385.798726]  __alloc_pages_slowpath+0x26e8/0x2e10
[  385.803108] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  385.818298]  ? warn_alloc+0x120/0x120
[  385.823097] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  385.838002]  ? print_usage_bug+0xc0/0xc0
[  385.841784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  385.850610]  ? warn_alloc+0x120/0x120
[  385.854653] 266 total pagecache pages
[  385.863221]  ? warn_alloc+0x120/0x120
[  385.867000] 0 pages in swap cache
[  385.870798]  ? print_usage_bug+0xc0/0xc0
[  385.874575] Swap cache stats: add 0, delete 0, find 0/0
[  385.878021]  ? kvm_clock_read+0x18/0x30
[  385.882059] Free swap  = 0kB
[  385.887421]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  385.891368] Total swap = 0kB
[  385.894379]  ? print_usage_bug+0xc0/0xc0
[  385.899377] 1965979 pages RAM
[  385.902398]  ? __lock_acquire+0x62f/0x4c20
[  385.906440] 0 pages HighMem/MovableOnly
[  385.909541]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.913751] 342854 pages reserved
[  385.917718]  ? should_fail+0x22d/0xd01
[  385.923229] 0 pages cma reserved
[  385.926676]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.930706] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.933906]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.939164] ksoftirqd/1 cpuset=/ mems_allowed=0
[  385.949471]  ? __lock_acquire+0x62f/0x4c20
[  385.963437]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.968540]  ? __lock_acquire+0x62f/0x4c20
[  385.972775]  ? should_fail+0x22d/0xd01
[  385.976664]  ? rcu_irq_exit+0x1a2/0x390
[  385.980659]  ? mark_held_locks+0x130/0x130
[  385.984909]  ? mark_held_locks+0x130/0x130
[  385.989173]  ? mark_held_locks+0xc7/0x130
[  385.993325]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  385.998346]  ? zap_class+0x640/0x640
[  386.002063]  ? print_usage_bug+0xc0/0xc0
[  386.006133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.011679]  ? check_preemption_disabled+0x48/0x280
[  386.016707]  ? __lock_is_held+0xb5/0x140
[  386.020777]  __alloc_pages_nodemask+0xa80/0xde0
[  386.025450]  ? zap_class+0x640/0x640
[  386.029199]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  386.034229]  ? find_held_lock+0x36/0x1c0
[  386.038317]  ? ____cache_alloc_node+0x1c7/0x1e0
[  386.042991]  ? lock_downgrade+0x900/0x900
[  386.047152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.052697]  cache_grow_begin+0xa5/0x8c0
[  386.056763]  ? do_raw_spin_unlock+0xa7/0x330
[  386.061183]  fallback_alloc+0x204/0x2e0
[  386.065165]  ____cache_alloc_node+0x1c7/0x1e0
[  386.069671]  kmem_cache_alloc_node+0xe3/0x730
[  386.074168]  ? ipv6_get_ifaddr+0x42e/0x620
[  386.078413]  __alloc_skb+0x119/0x770
[  386.082127]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.087410]  ? netdev_alloc_frag+0x1f0/0x1f0
[  386.091826]  ? lock_downgrade+0x900/0x900
[  386.095988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.101530]  ? refcount_sub_and_test_checked+0x203/0x310
[  386.106997]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  386.112452]  ? addrconf_rs_timer+0x690/0x690
[  386.116875]  ndisc_alloc_skb+0x144/0x340
[  386.120948]  ndisc_send_rs+0x331/0x6e0
[  386.124845]  addrconf_rs_timer+0x314/0x690
[  386.129093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.133340]  call_timer_fn+0x272/0x920
[  386.137233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.141467]  ? process_timeout+0x40/0x40
[  386.145539]  ? mark_held_locks+0xc7/0x130
[  386.149693]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.154191]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.158690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.162928]  ? lockdep_hardirqs_on+0x296/0x5b0
[  386.167514]  ? trace_hardirqs_on+0xbd/0x310
[  386.171840]  ? kasan_check_read+0x11/0x20
[  386.175988]  ? __run_timers+0x7da/0xc70
[  386.179966]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.185075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.189316]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.193549]  __run_timers+0x7e5/0xc70
[  386.197365]  ? timer_fixup_init+0x70/0x70
[  386.201517]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  386.206535]  ? zap_class+0x640/0x640
[  386.210258]  ? print_usage_bug+0xc0/0xc0
[  386.214328]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  386.219525]  ? find_held_lock+0x36/0x1c0
[  386.223592]  ? zap_class+0x640/0x640
[  386.227324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.232868]  ? check_preemption_disabled+0x48/0x280
[  386.237904]  ? __lock_is_held+0xb5/0x140
[  386.241979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.247536]  ? check_preemption_disabled+0x48/0x280
[  386.252563]  run_timer_softirq+0x52/0xb0
[  386.256634]  ? rcu_read_lock_sched_held+0x14f/0x180
[  386.261659]  __do_softirq+0x308/0xb7e
[  386.265469]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  386.269963]  ? lock_downgrade+0x900/0x900
[  386.274120]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  386.279236]  ? pvclock_read_flags+0x160/0x160
[  386.283736]  ? lapic_next_event+0x5a/0x90
[  386.287892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.293440]  ? kvm_clock_read+0x18/0x30
[  386.297431]  ? kvm_sched_clock_read+0x9/0x20
[  386.301842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.307384]  ? check_preemption_disabled+0x48/0x280
[  386.312417]  irq_exit+0x17f/0x1c0
[  386.315875]  smp_apic_timer_interrupt+0x1cb/0x760
[  386.320726]  ? smp_reschedule_interrupt+0x109/0x650
[  386.325750]  ? smp_call_function_single_interrupt+0x650/0x650
[  386.331643]  ? interrupt_entry+0xb5/0xc0
[  386.335710]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.340726]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.345745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.350589]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.355616]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.360653]  ? task_prio+0x50/0x50
[  386.364199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.369742]  ? check_preemption_disabled+0x48/0x280
[  386.374770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.379641]  apic_timer_interrupt+0xf/0x20
[  386.383870]  </IRQ>
[  386.386121] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  386.391314] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  386.410220] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  386.417949] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  386.425216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  386.432486] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  386.439755] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  386.447024] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  386.454332]  retint_kernel+0x1b/0x2d
[  386.458052] RIP: 0010:dump_stack+0x358/0x39d
[  386.462465] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  386.481364] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  386.489072] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  386.496340] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  386.503610] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  386.510894] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  386.518167] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  386.525464]  ? dump_stack+0x34f/0x39d
[  386.529287]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.534484]  ? mark_held_locks+0x130/0x130
[  386.538726]  ? mark_held_locks+0x130/0x130
[  386.542969]  dump_header+0x27b/0xf72
[  386.546697]  ? pagefault_out_of_memory+0x197/0x197
[  386.551875]  ? __lock_acquire+0x62f/0x4c20
[  386.556124]  ? percpu_ref_get_many+0x240/0x240
[  386.560711]  ? print_usage_bug+0xc0/0xc0
[  386.564810]  ? zap_class+0x640/0x640
[  386.568531]  ? print_usage_bug+0xc0/0xc0
[  386.572596]  ? print_usage_bug+0xc0/0xc0
[  386.576674]  ? zap_class+0x640/0x640
[  386.580392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.585971]  ? find_held_lock+0x36/0x1c0
[  386.590063]  ? mark_held_locks+0xc7/0x130
[  386.594213]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  386.599318]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  386.604425]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.609011]  ? trace_hardirqs_on+0xbd/0x310
[  386.613333]  ? kasan_check_read+0x11/0x20
[  386.617485]  ? ___ratelimit+0x3b4/0x672
[  386.621461]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.626567]  ? trace_hardirqs_on+0x310/0x310
[  386.630981]  ? lock_downgrade+0x900/0x900
[  386.635141]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  386.640263]  ? ___ratelimit+0x3b9/0x672
[  386.644272]  ? idr_get_free+0xf70/0xf70
[  386.648249]  ? find_held_lock+0x36/0x1c0
[  386.652322]  oom_kill_process.cold.27+0x10/0x903
[  386.657098]  ? zap_class+0x640/0x640
[  386.660818]  ? check_preemption_disabled+0x48/0x280
[  386.665840]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.670772]  ? kasan_check_read+0x11/0x20
[  386.674926]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.680215]  ? oom_evaluate_task+0x540/0x540
[  386.684743]  ? find_held_lock+0x36/0x1c0
[  386.688815]  ? out_of_memory+0x974/0x1430
[  386.692970]  ? lock_downgrade+0x900/0x900
[  386.697148]  ? check_preemption_disabled+0x48/0x280
[  386.702189]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.707122]  ? kasan_check_read+0x11/0x20
[  386.711272]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.716549]  ? rcu_softirq_qs+0x20/0x20
[  386.720532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.726068]  ? oom_evaluate_task+0x302/0x540
[  386.730485]  out_of_memory+0xa84/0x1430
[  386.734475]  ? oom_killer_disable+0x3a0/0x3a0
[  386.738979]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  386.743921]  ? __ww_mutex_check_waiters+0x160/0x160
[  386.748955]  __alloc_pages_slowpath+0x2354/0x2e10
[  386.753834]  ? warn_alloc+0x120/0x120
[  386.757644]  ? mark_held_locks+0x130/0x130
[  386.761896]  ? find_get_entry+0xaae/0x1120
[  386.766142]  ? filemap_map_pages+0x1a20/0x1a20
[  386.770737]  ? zap_class+0x640/0x640
[  386.774459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.780003]  ? check_preemption_disabled+0x48/0x280
[  386.785028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.790573]  ? should_fail+0x22d/0xd01
[  386.794472]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.799579]  ? zap_class+0x640/0x640
[  386.803324]  ? __lock_is_held+0xb5/0x140
[  386.807400]  ? mark_held_locks+0x130/0x130
[  386.811648]  ? lock_release+0xa00/0xa00
[  386.815632]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.821088]  ? xa_load+0x2ba/0x460
[  386.824642]  ? lock_downgrade+0x900/0x900
[  386.828797]  ? __might_sleep+0x95/0x190
[  386.832781]  __alloc_pages_nodemask+0xa80/0xde0
[  386.837463]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  386.842485]  ? __page_cache_alloc+0x191/0x5c0
[  386.847005]  ? xa_load+0x2e1/0x460
[  386.850551]  ? xa_clear_mark+0x40/0x40
[  386.854442]  ? zap_class+0x640/0x640
[  386.858166]  ? zap_class+0x640/0x640
[  386.861886]  ? zap_class+0x640/0x640
[  386.865691]  ? __do_page_cache_readahead+0x663/0x810
[  386.870821]  ? find_held_lock+0x36/0x1c0
[  386.874895]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  386.880442]  alloc_pages_current+0x173/0x350
[  386.884864]  __page_cache_alloc+0x38c/0x5c0
[  386.889190]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.894123]  ? kasan_check_read+0x11/0x20
[  386.898276]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.903559]  ? generic_perform_write+0x6a0/0x6a0
[  386.908319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.913877]  ? check_preemption_disabled+0x48/0x280
[  386.918912]  filemap_fault+0x1595/0x25f0
[  386.922994]  ? __lock_page_or_retry+0xa00/0xa00
[  386.927667]  ? mark_held_locks+0x130/0x130
[  386.931916]  ? filemap_map_pages+0xd6b/0x1a20
[  386.936417]  ? lock_downgrade+0x900/0x900
[  386.940565]  ? check_preemption_disabled+0x48/0x280
[  386.945588]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.950523]  ? kasan_check_read+0x11/0x20
[  386.954674]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.959951]  ? rcu_softirq_qs+0x20/0x20
[  386.963944]  ? filemap_map_pages+0xd92/0x1a20
[  386.968456]  ? __lock_acquire+0x62f/0x4c20
[  386.972703]  ? find_get_entries_tag+0x1400/0x1400
[  386.977572]  ? lock_acquire+0x1ed/0x520
[  386.981547]  ? ext4_filemap_fault+0x7a/0xad
[  386.985887]  ? lock_release+0xa00/0xa00
[  386.989868]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.995326]  ? print_usage_bug+0xc0/0xc0
[  386.999392]  ? print_usage_bug+0xc0/0xc0
[  387.003473]  ? down_read+0x8d/0x120
[  387.007103]  ? ext4_filemap_fault+0x7a/0xad
[  387.011430]  ? __down_interruptible+0x700/0x700
[  387.016110]  ext4_filemap_fault+0x82/0xad
[  387.020264]  __do_fault+0x100/0x6b0
[  387.023903]  ? pmd_devmap_trans_unstable+0x220/0x220
[  387.029015]  ? mark_held_locks+0x130/0x130
[  387.033252]  ? mark_held_locks+0x130/0x130
[  387.037493]  ? __might_fault+0x12b/0x1e0
[  387.041560]  ? lock_downgrade+0x900/0x900
[  387.045722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.051268]  __handle_mm_fault+0x3ea0/0x5be0
[  387.055692]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  387.060542]  ? kasan_check_read+0x11/0x20
[  387.064695]  ? _copy_to_user+0xc8/0x110
[  387.068678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.074231]  ? zap_class+0x640/0x640
[  387.077946]  ? zap_class+0x640/0x640
[  387.081673]  ? find_held_lock+0x36/0x1c0
[  387.085745]  ? handle_mm_fault+0x42a/0xc70
[  387.089985]  ? lock_downgrade+0x900/0x900
[  387.094136]  ? check_preemption_disabled+0x48/0x280
[  387.099157]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  387.104101]  ? kasan_check_read+0x11/0x20
[  387.108261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.113539]  ? rcu_softirq_qs+0x20/0x20
[  387.117516]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.122632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.128173]  ? check_preemption_disabled+0x48/0x280
[  387.133199]  handle_mm_fault+0x54f/0xc70
[  387.137266]  ? __handle_mm_fault+0x5be0/0x5be0
[  387.141855]  ? find_vma+0x34/0x190
[  387.145414]  __do_page_fault+0x5e8/0xe60
[  387.149477]  ? trace_hardirqs_off+0xb8/0x310
[  387.153903]  do_page_fault+0xf2/0x7e0
[  387.157706]  ? vmalloc_sync_all+0x30/0x30
[  387.161862]  ? error_entry+0x70/0xd0
[  387.165582]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.170602]  ? trace_hardirqs_on_caller+0xc0/0x310
[  387.175540]  ? syscall_return_slowpath+0x5e0/0x5e0
[  387.180473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.185322]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.190341]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  387.195797]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  387.200817]  ? prepare_exit_to_usermode+0x291/0x3b0
[  387.205833]  ? page_fault+0x8/0x30
[  387.209376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.214223]  ? page_fault+0x8/0x30
[  387.217767]  page_fault+0x1e/0x30
[  387.221219] RIP: 0033:0x4375fe
[  387.224429] Code: Bad RIP value.
[  387.227795] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  387.233159] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  387.240426] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  387.247694] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  387.254964] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  387.262234] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  387.269542] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  387.269607] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.276471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.276476] Call Trace:
[  387.276496]  dump_stack+0x244/0x39d
[  387.276517]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.283092] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.292353]  warn_alloc.cold.116+0xb7/0x1bd
[  387.294908] syz-fuzzer cpuset=/ mems_allowed=0
[  387.298534]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.327640]  ? lock_downgrade+0x900/0x900
[  387.331803]  ? trace_hardirqs_off+0xb8/0x310
[  387.336226]  ? trace_hardirqs_off+0xb8/0x310
[  387.340651]  __alloc_pages_slowpath+0x26e8/0x2e10
[  387.345528]  ? warn_alloc+0x120/0x120
[  387.349341]  ? warn_alloc+0x120/0x120
[  387.353151]  ? warn_alloc+0x120/0x120
[  387.356959]  ? print_usage_bug+0xc0/0xc0
[  387.361024]  ? check_preemption_disabled+0x48/0x280
[  387.366045]  ? print_usage_bug+0xc0/0xc0
[  387.370107]  ? kasan_check_read+0x11/0x20
[  387.374260]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.379538]  ? rcu_softirq_qs+0x20/0x20
[  387.383519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.389062]  ? should_fail+0x22d/0xd01
[  387.392955]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.398071]  ? __lock_acquire+0x62f/0x4c20
[  387.402316]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.407419]  ? __lock_acquire+0x62f/0x4c20
[  387.411654]  ? should_fail+0x22d/0xd01
[  387.415559]  ? mark_held_locks+0x130/0x130
[  387.419804]  ? mark_held_locks+0x130/0x130
[  387.424040]  ? __enqueue_entity+0x10d/0x1f0
[  387.428373]  ? zap_class+0x640/0x640
[  387.432098]  ? print_usage_bug+0xc0/0xc0
[  387.436161]  ? enqueue_entity+0x34b/0x20a0
[  387.440413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.445957]  ? check_preemption_disabled+0x48/0x280
[  387.450989]  ? __lock_is_held+0xb5/0x140
[  387.455061]  __alloc_pages_nodemask+0xa80/0xde0
[  387.459731]  ? zap_class+0x640/0x640
[  387.463452]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.468485]  ? find_held_lock+0x36/0x1c0
[  387.472573]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.477245]  ? lock_downgrade+0x900/0x900
[  387.481408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.486951]  cache_grow_begin+0xa5/0x8c0
[  387.491018]  ? do_raw_spin_unlock+0xa7/0x330
[  387.495436]  fallback_alloc+0x204/0x2e0
[  387.499426]  ____cache_alloc_node+0x1c7/0x1e0
[  387.503929]  kmem_cache_alloc_node+0xe3/0x730
[  387.508431]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.512677]  __alloc_skb+0x119/0x770
[  387.516396]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.521685]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.526098]  ? lock_downgrade+0x900/0x900
[  387.530260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.535802]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.541260]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.546716]  ? addrconf_rs_timer+0x690/0x690
[  387.551139]  ndisc_alloc_skb+0x144/0x340
[  387.555209]  ndisc_send_rs+0x331/0x6e0
[  387.559104]  addrconf_rs_timer+0x314/0x690
[  387.563347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.567607]  call_timer_fn+0x272/0x920
[  387.571508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.575744]  ? process_timeout+0x40/0x40
[  387.579814]  ? __run_timers+0x7da/0xc70
[  387.583794]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.588293]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.592792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.597031]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.601625]  ? trace_hardirqs_on+0xbd/0x310
[  387.605953]  ? kasan_check_read+0x11/0x20
[  387.610101]  ? __run_timers+0x7da/0xc70
[  387.614080]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.619196]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.623451]  __run_timers+0x7e5/0xc70
[  387.627265]  ? timer_fixup_init+0x70/0x70
[  387.631427]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.635925]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.640426]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.645016]  ? trace_hardirqs_on+0xbd/0x310
[  387.649342]  ? kasan_check_read+0x11/0x20
[  387.653493]  ? finish_task_switch+0x1f4/0x910
[  387.657994]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.663102]  ? compat_start_thread+0x80/0x80
[  387.667538]  ? pvclock_read_flags+0x160/0x160
[  387.672033]  ? __switch_to_asm+0x34/0x70
[  387.676098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.681647]  ? check_preemption_disabled+0x48/0x280
[  387.686678]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  387.692224]  ? rcu_pm_notify+0xc0/0xc0
[  387.696118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.701662]  ? check_preemption_disabled+0x48/0x280
[  387.706711]  run_timer_softirq+0x52/0xb0
[  387.710777]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.715799]  __do_softirq+0x308/0xb7e
[  387.719608]  ? trace_hardirqs_on_caller+0xc0/0x310
[  387.724568]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.729675]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  387.735136]  ? schedule+0x108/0x460
[  387.738769]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  387.743536]  ? trace_hardirqs_off+0xb8/0x310
[  387.747951]  ? smpboot_thread_fn+0x68b/0xa00
[  387.752395]  ? trace_hardirqs_on+0x310/0x310
[  387.756820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.762361]  ? check_preemption_disabled+0x48/0x280
[  387.767430]  ? takeover_tasklets+0xa90/0xa90
[  387.771848]  run_ksoftirqd+0x5e/0x100
[  387.775656]  smpboot_thread_fn+0x68b/0xa00
[  387.779900]  ? sort_range+0x30/0x30
[  387.783529]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  387.788644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.794203]  ? __kthread_parkme+0xfb/0x1a0
[  387.798466]  ? sort_range+0x30/0x30
[  387.802126]  kthread+0x35a/0x440
[  387.805512]  ? kthread_stop+0x900/0x900
[  387.809519]  ret_from_fork+0x3a/0x50
[  387.813249] warn_alloc_show_mem: 1 callbacks suppressed
[  387.813261] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  387.813263] Mem-Info:
[  387.813295] active_anon:56065 inactive_anon:190 isolated_anon:0
[  387.813295]  active_file:11 inactive_file:12 isolated_file:0
[  387.813295]  unevictable:0 dirty:0 writeback:0 unstable:0
[  387.813295]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  387.813295]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  387.813295]  free:13773 free_pcp:518 free_cma:0
[  387.818642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.825680] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  387.828078] Call Trace:
[  387.860947] 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
[  387.870294]  <IRQ>
[  387.897771] lowmem_reserve[]: 0 2818 6321 6321
[  387.900369]  dump_stack+0x244/0x39d
[  387.926451] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  387.928601]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.933155] lowmem_reserve[]: 0 0 3503 3503
[  387.936785]  warn_alloc.cold.116+0xb7/0x1bd
[  387.964253] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  387.969439]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.973752] lowmem_reserve[]: 0 0 0 0
[  387.978071]  ? lock_downgrade+0x900/0x900
[  388.007021] 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
[  388.011868]  ? trace_hardirqs_off+0xb8/0x310
[  388.015644] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  388.019788]  ? trace_hardirqs_off+0xb8/0x310
[  388.033284] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  388.037691]  __alloc_pages_slowpath+0x26e8/0x2e10
[  388.052840] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  388.057260]  ? warn_alloc+0x120/0x120
[  388.072129] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  388.076963]  ? print_usage_bug+0xc0/0xc0
[  388.085776] 266 total pagecache pages
[  388.089576]  ? warn_alloc+0x120/0x120
[  388.098136] 0 pages in swap cache
[  388.102187]  ? warn_alloc+0x120/0x120
[  388.105969] Swap cache stats: add 0, delete 0, find 0/0
[  388.109762]  ? print_usage_bug+0xc0/0xc0
[  388.113193] Free swap  = 0kB
[  388.116992]  ? kvm_clock_read+0x18/0x30
[  388.122333] Total swap = 0kB
[  388.126387]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  388.129388] 1965979 pages RAM
[  388.133354]  ? print_usage_bug+0xc0/0xc0
[  388.136348] 0 pages HighMem/MovableOnly
[  388.141356]  ? __lock_acquire+0x62f/0x4c20
[  388.144441] 342854 pages reserved
[  388.148499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.152449] 0 pages cma reserved
[  388.156695]  ? should_fail+0x22d/0xd01
[  388.160188] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  388.165656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.165670]  ? __lock_acquire+0x62f/0x4c20
[  388.165688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.165704]  ? __lock_acquire+0x62f/0x4c20
[  388.169106] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.172935]  ? should_fail+0x22d/0xd01
[  388.179420] ksoftirqd/1 cpuset=/ mems_allowed=0
[  388.184527]  ? mark_held_locks+0x130/0x130
[  388.221121]  ? mark_held_locks+0x130/0x130
[  388.225400]  ? zap_class+0x640/0x640
[  388.229142]  ? print_usage_bug+0xc0/0xc0
[  388.233207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.238747]  ? check_preemption_disabled+0x48/0x280
[  388.243777]  ? __lock_is_held+0xb5/0x140
[  388.247846]  __alloc_pages_nodemask+0xa80/0xde0
[  388.252534]  ? zap_class+0x640/0x640
[  388.256257]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  388.261286]  ? find_held_lock+0x36/0x1c0
[  388.265359]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.270031]  ? lock_downgrade+0x900/0x900
[  388.274196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.279761]  cache_grow_begin+0xa5/0x8c0
[  388.283826]  ? do_raw_spin_unlock+0xa7/0x330
[  388.288245]  fallback_alloc+0x204/0x2e0
[  388.292248]  ____cache_alloc_node+0x1c7/0x1e0
[  388.296761]  kmem_cache_alloc_node+0xe3/0x730
[  388.301258]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.305551]  __alloc_skb+0x119/0x770
[  388.309291]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.314587]  ? netdev_alloc_frag+0x1f0/0x1f0
[  388.319006]  ? lock_downgrade+0x900/0x900
[  388.323167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.328725]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.334186]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.339644]  ? addrconf_rs_timer+0x690/0x690
[  388.344069]  ndisc_alloc_skb+0x144/0x340
[  388.348141]  ndisc_send_rs+0x331/0x6e0
[  388.352036]  addrconf_rs_timer+0x314/0x690
[  388.356282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.360529]  call_timer_fn+0x272/0x920
[  388.364422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.368661]  ? process_timeout+0x40/0x40
[  388.372739]  ? mark_held_locks+0xc7/0x130
[  388.376895]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.381390]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.385890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.390130]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.394721]  ? trace_hardirqs_on+0xbd/0x310
[  388.399046]  ? kasan_check_read+0x11/0x20
[  388.403195]  ? __run_timers+0x7da/0xc70
[  388.407172]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.412288]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.416531]  __run_timers+0x7e5/0xc70
[  388.420387]  ? timer_fixup_init+0x70/0x70
[  388.424568]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  388.429600]  ? zap_class+0x640/0x640
[  388.433333]  ? print_usage_bug+0xc0/0xc0
[  388.437415]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  388.442650]  ? find_held_lock+0x36/0x1c0
[  388.446719]  ? zap_class+0x640/0x640
[  388.450442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.455986]  ? check_preemption_disabled+0x48/0x280
[  388.461017]  ? __lock_is_held+0xb5/0x140
[  388.465081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.470631]  ? check_preemption_disabled+0x48/0x280
[  388.475667]  run_timer_softirq+0x52/0xb0
[  388.479731]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.484751]  __do_softirq+0x308/0xb7e
[  388.488562]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  388.493057]  ? lock_downgrade+0x900/0x900
[  388.497211]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.502325]  ? pvclock_read_flags+0x160/0x160
[  388.506826]  ? lapic_next_event+0x5a/0x90
[  388.510978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.516528]  ? kvm_clock_read+0x18/0x30
[  388.520512]  ? kvm_sched_clock_read+0x9/0x20
[  388.524927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.530468]  ? check_preemption_disabled+0x48/0x280
[  388.535497]  irq_exit+0x17f/0x1c0
[  388.538953]  smp_apic_timer_interrupt+0x1cb/0x760
[  388.543801]  ? smp_reschedule_interrupt+0x109/0x650
[  388.548822]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.554906]  ? interrupt_entry+0xb5/0xc0
[  388.558979]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.563995]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.569017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.573866]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.578895]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.583912]  ? task_prio+0x50/0x50
[  388.587457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.593000]  ? check_preemption_disabled+0x48/0x280
[  388.598027]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.602889]  apic_timer_interrupt+0xf/0x20
[  388.607127]  </IRQ>
[  388.609371] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  388.614567] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  388.633466] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  388.641173] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  388.648443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  388.655711] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  388.662982] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  388.670248] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  388.677551]  retint_kernel+0x1b/0x2d
[  388.681453] RIP: 0010:dump_stack+0x358/0x39d
[  388.685862] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  388.704798] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  388.712504] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  388.719771] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  388.727040] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  388.734309] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  388.741579] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  388.748872]  ? dump_stack+0x34f/0x39d
[  388.752710]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.757912]  ? mark_held_locks+0x130/0x130
[  388.762153]  ? mark_held_locks+0x130/0x130
[  388.766397]  dump_header+0x27b/0xf72
[  388.770127]  ? pagefault_out_of_memory+0x197/0x197
[  388.775066]  ? __lock_acquire+0x62f/0x4c20
[  388.779307]  ? percpu_ref_get_many+0x240/0x240
[  388.783901]  ? print_usage_bug+0xc0/0xc0
[  388.787971]  ? zap_class+0x640/0x640
[  388.791694]  ? print_usage_bug+0xc0/0xc0
[  388.795754]  ? print_usage_bug+0xc0/0xc0
[  388.799818]  ? zap_class+0x640/0x640
[  388.803539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.809089]  ? find_held_lock+0x36/0x1c0
[  388.813165]  ? mark_held_locks+0xc7/0x130
[  388.817317]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.822419]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.827525]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.832125]  ? trace_hardirqs_on+0xbd/0x310
[  388.836445]  ? kasan_check_read+0x11/0x20
[  388.840607]  ? ___ratelimit+0x3b4/0x672
[  388.844590]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.849723]  ? trace_hardirqs_on+0x310/0x310
[  388.854163]  ? lock_downgrade+0x900/0x900
[  388.858318]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  388.863436]  ? ___ratelimit+0x3b9/0x672
[  388.867416]  ? idr_get_free+0xf70/0xf70
[  388.871395]  ? find_held_lock+0x36/0x1c0
[  388.875470]  oom_kill_process.cold.27+0x10/0x903
[  388.880228]  ? zap_class+0x640/0x640
[  388.883950]  ? check_preemption_disabled+0x48/0x280
[  388.888971]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.893906]  ? kasan_check_read+0x11/0x20
[  388.898055]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.903335]  ? oom_evaluate_task+0x540/0x540
[  388.907751]  ? find_held_lock+0x36/0x1c0
[  388.911826]  ? out_of_memory+0x974/0x1430
[  388.915980]  ? lock_downgrade+0x900/0x900
[  388.920126]  ? check_preemption_disabled+0x48/0x280
[  388.925145]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.930077]  ? kasan_check_read+0x11/0x20
[  388.934253]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.939530]  ? rcu_softirq_qs+0x20/0x20
[  388.943534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.949071]  ? oom_evaluate_task+0x302/0x540
[  388.953487]  out_of_memory+0xa84/0x1430
[  388.957472]  ? oom_killer_disable+0x3a0/0x3a0
[  388.961969]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  388.966912]  ? __ww_mutex_check_waiters+0x160/0x160
[  388.971944]  __alloc_pages_slowpath+0x2354/0x2e10
[  388.976844]  ? warn_alloc+0x120/0x120
[  388.980651]  ? mark_held_locks+0x130/0x130
[  388.984905]  ? find_get_entry+0xaae/0x1120
[  388.989152]  ? filemap_map_pages+0x1a20/0x1a20
[  388.993743]  ? zap_class+0x640/0x640
[  388.997470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.003047]  ? check_preemption_disabled+0x48/0x280
[  389.008065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.013604]  ? should_fail+0x22d/0xd01
[  389.017510]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.022616]  ? zap_class+0x640/0x640
[  389.026368]  ? __lock_is_held+0xb5/0x140
[  389.030443]  ? mark_held_locks+0x130/0x130
[  389.034683]  ? lock_release+0xa00/0xa00
[  389.038660]  ? perf_trace_sched_process_exec+0x860/0x860
[  389.044142]  ? xa_load+0x2ba/0x460
[  389.047686]  ? lock_downgrade+0x900/0x900
[  389.051844]  ? __might_sleep+0x95/0x190
[  389.055829]  __alloc_pages_nodemask+0xa80/0xde0
[  389.060510]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  389.065531]  ? __page_cache_alloc+0x191/0x5c0
[  389.070028]  ? xa_load+0x2e1/0x460
[  389.073570]  ? xa_clear_mark+0x40/0x40
[  389.077461]  ? zap_class+0x640/0x640
[  389.081185]  ? zap_class+0x640/0x640
[  389.084904]  ? zap_class+0x640/0x640
[  389.088628]  ? __do_page_cache_readahead+0x663/0x810
[  389.093743]  ? find_held_lock+0x36/0x1c0
[  389.097817]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  389.103393]  alloc_pages_current+0x173/0x350
[  389.107806]  __page_cache_alloc+0x38c/0x5c0
[  389.112130]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.117063]  ? kasan_check_read+0x11/0x20
[  389.121211]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.126494]  ? generic_perform_write+0x6a0/0x6a0
[  389.131253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.136794]  ? check_preemption_disabled+0x48/0x280
[  389.141819]  filemap_fault+0x1595/0x25f0
[  389.145902]  ? __lock_page_or_retry+0xa00/0xa00
[  389.150575]  ? mark_held_locks+0x130/0x130
[  389.154820]  ? filemap_map_pages+0xd6b/0x1a20
[  389.159322]  ? lock_downgrade+0x900/0x900
[  389.163469]  ? check_preemption_disabled+0x48/0x280
[  389.168509]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.173440]  ? kasan_check_read+0x11/0x20
[  389.177590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.182885]  ? rcu_softirq_qs+0x20/0x20
[  389.186876]  ? filemap_map_pages+0xd92/0x1a20
[  389.191398]  ? __lock_acquire+0x62f/0x4c20
[  389.195651]  ? find_get_entries_tag+0x1400/0x1400
[  389.200517]  ? lock_acquire+0x1ed/0x520
[  389.204491]  ? ext4_filemap_fault+0x7a/0xad
[  389.208822]  ? lock_release+0xa00/0xa00
[  389.212797]  ? perf_trace_sched_process_exec+0x860/0x860
[  389.218251]  ? print_usage_bug+0xc0/0xc0
[  389.222319]  ? print_usage_bug+0xc0/0xc0
[  389.226394]  ? down_read+0x8d/0x120
[  389.230025]  ? ext4_filemap_fault+0x7a/0xad
[  389.234350]  ? __down_interruptible+0x700/0x700
[  389.239034]  ext4_filemap_fault+0x82/0xad
[  389.243195]  __do_fault+0x100/0x6b0
[  389.246831]  ? pmd_devmap_trans_unstable+0x220/0x220
[  389.251972]  ? mark_held_locks+0x130/0x130
[  389.256214]  ? mark_held_locks+0x130/0x130
[  389.260450]  ? __might_fault+0x12b/0x1e0
[  389.264517]  ? lock_downgrade+0x900/0x900
[  389.268686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.274230]  __handle_mm_fault+0x3ea0/0x5be0
[  389.278656]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  389.283513]  ? kasan_check_read+0x11/0x20
[  389.287683]  ? _copy_to_user+0xc8/0x110
[  389.291664]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.297217]  ? zap_class+0x640/0x640
[  389.300935]  ? zap_class+0x640/0x640
[  389.304668]  ? find_held_lock+0x36/0x1c0
[  389.308741]  ? handle_mm_fault+0x42a/0xc70
[  389.312982]  ? lock_downgrade+0x900/0x900
[  389.317134]  ? check_preemption_disabled+0x48/0x280
[  389.322156]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.327090]  ? kasan_check_read+0x11/0x20
[  389.331242]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.336521]  ? rcu_softirq_qs+0x20/0x20
[  389.340503]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.345611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.351162]  ? check_preemption_disabled+0x48/0x280
[  389.356190]  handle_mm_fault+0x54f/0xc70
[  389.360273]  ? __handle_mm_fault+0x5be0/0x5be0
[  389.364875]  ? find_vma+0x34/0x190
[  389.368434]  __do_page_fault+0x5e8/0xe60
[  389.372495]  ? trace_hardirqs_off+0xb8/0x310
[  389.376921]  do_page_fault+0xf2/0x7e0
[  389.380724]  ? vmalloc_sync_all+0x30/0x30
[  389.384875]  ? error_entry+0x70/0xd0
[  389.388601]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.393638]  ? trace_hardirqs_on_caller+0xc0/0x310
[  389.398568]  ? syscall_return_slowpath+0x5e0/0x5e0
[  389.403566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.408415]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.413428]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  389.418878]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  389.423909]  ? prepare_exit_to_usermode+0x291/0x3b0
[  389.428926]  ? page_fault+0x8/0x30
[  389.432475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.437322]  ? page_fault+0x8/0x30
[  389.440868]  page_fault+0x1e/0x30
[  389.444327] RIP: 0033:0x4375fe
[  389.447532] Code: Bad RIP value.
[  389.450910] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  389.456274] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  389.463559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  389.470826] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  389.478093] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  389.485364] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  389.492680] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  389.492744] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.499617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.499635] Call Trace:
[  389.506221] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.515492]  dump_stack+0x244/0x39d
[  389.518063] syz-fuzzer cpuset=/ mems_allowed=0
[  389.528283]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.541661]  warn_alloc.cold.116+0xb7/0x1bd
[  389.545993]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.550847]  ? lock_downgrade+0x900/0x900
[  389.555007]  ? trace_hardirqs_off+0xb8/0x310
[  389.559428]  ? trace_hardirqs_off+0xb8/0x310
[  389.563852]  __alloc_pages_slowpath+0x26e8/0x2e10
[  389.568728]  ? warn_alloc+0x120/0x120
[  389.572535]  ? print_usage_bug+0xc0/0xc0
[  389.576600]  ? warn_alloc+0x120/0x120
[  389.580425]  ? warn_alloc+0x120/0x120
[  389.584231]  ? print_usage_bug+0xc0/0xc0
[  389.588301]  ? print_usage_bug+0xc0/0xc0
[  389.592400]  ? __lock_acquire+0x62f/0x4c20
[  389.596651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.602207]  ? should_fail+0x22d/0xd01
[  389.606112]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.611234]  ? __lock_acquire+0x62f/0x4c20
[  389.615477]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.620581]  ? __lock_acquire+0x62f/0x4c20
[  389.624816]  ? should_fail+0x22d/0xd01
[  389.628705]  ? find_held_lock+0x36/0x1c0
[  389.632782]  ? mark_held_locks+0x130/0x130
[  389.637046]  ? mark_held_locks+0x130/0x130
[  389.641280]  ? zap_class+0x640/0x640
[  389.644996]  ? zap_class+0x640/0x640
[  389.648718]  ? print_usage_bug+0xc0/0xc0
[  389.652781]  ? do_raw_spin_unlock+0xa7/0x330
[  389.657194]  ? zap_class+0x640/0x640
[  389.660939]  ? print_usage_bug+0xc0/0xc0
[  389.665016]  ? wq_watchdog_touch+0x9c/0xfe
[  389.669257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.674800]  ? check_preemption_disabled+0x48/0x280
[  389.679830]  ? __lock_is_held+0xb5/0x140
[  389.683902]  __alloc_pages_nodemask+0xa80/0xde0
[  389.688574]  ? zap_class+0x640/0x640
[  389.692299]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  389.697344]  ? find_held_lock+0x36/0x1c0
[  389.701418]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.706094]  ? lock_downgrade+0x900/0x900
[  389.710252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.715802]  cache_grow_begin+0xa5/0x8c0
[  389.719867]  ? do_raw_spin_unlock+0xa7/0x330
[  389.724289]  fallback_alloc+0x204/0x2e0
[  389.728273]  ____cache_alloc_node+0x1c7/0x1e0
[  389.732779]  kmem_cache_alloc_node+0xe3/0x730
[  389.737279]  ? ipv6_get_ifaddr+0x42e/0x620
[  389.741531]  __alloc_skb+0x119/0x770
[  389.745245]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.750527]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.754942]  ? lock_downgrade+0x900/0x900
[  389.759140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.764697]  ? refcount_sub_and_test_checked+0x203/0x310
[  389.770156]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  389.775609]  ? addrconf_rs_timer+0x690/0x690
[  389.780044]  ndisc_alloc_skb+0x144/0x340
[  389.784114]  ndisc_send_rs+0x331/0x6e0
[  389.788014]  addrconf_rs_timer+0x314/0x690
[  389.792264]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.796514]  call_timer_fn+0x272/0x920
[  389.800411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.804654]  ? process_timeout+0x40/0x40
[  389.808731]  ? __run_timers+0x7da/0xc70
[  389.812709]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.817207]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.821703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.825943]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.830535]  ? trace_hardirqs_on+0xbd/0x310
[  389.834857]  ? kasan_check_read+0x11/0x20
[  389.839006]  ? __run_timers+0x7da/0xc70
[  389.842985]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.848093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.852364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.856616]  __run_timers+0x7e5/0xc70
[  389.860470]  ? timer_fixup_init+0x70/0x70
[  389.864632]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.869131]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.873638]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  389.878226]  ? trace_hardirqs_on+0xbd/0x310
[  389.882562]  ? kasan_check_read+0x11/0x20
[  389.886711]  ? finish_task_switch+0x1f4/0x910
[  389.891239]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.896343]  ? compat_start_thread+0x80/0x80
[  389.900778]  ? pvclock_read_flags+0x160/0x160
[  389.905286]  ? __switch_to_asm+0x34/0x70
[  389.909362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.914948]  ? check_preemption_disabled+0x48/0x280
[  389.919977]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  389.925535]  ? rcu_pm_notify+0xc0/0xc0
[  389.929443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.934986]  ? check_preemption_disabled+0x48/0x280
[  389.940014]  run_timer_softirq+0x52/0xb0
[  389.944082]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.949099]  __do_softirq+0x308/0xb7e
[  389.952907]  ? trace_hardirqs_on_caller+0xc0/0x310
[  389.957848]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.962954]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  389.968428]  ? schedule+0x108/0x460
[  389.972061]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  389.976829]  ? trace_hardirqs_off+0xb8/0x310
[  389.981240]  ? smpboot_thread_fn+0x68b/0xa00
[  389.985661]  ? trace_hardirqs_on+0x310/0x310
[  389.990073]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.995628]  ? check_preemption_disabled+0x48/0x280
[  390.000660]  ? takeover_tasklets+0xa90/0xa90
[  390.005072]  run_ksoftirqd+0x5e/0x100
[  390.008877]  smpboot_thread_fn+0x68b/0xa00
[  390.013122]  ? sort_range+0x30/0x30
[  390.016751]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  390.021857]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.027400]  ? __kthread_parkme+0xfb/0x1a0
[  390.031655]  ? sort_range+0x30/0x30
[  390.035283]  kthread+0x35a/0x440
[  390.038658]  ? kthread_stop+0x900/0x900
[  390.042642]  ret_from_fork+0x3a/0x50
[  390.046380] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  390.046393] warn_alloc_show_mem: 1 callbacks suppressed
[  390.046397] Mem-Info:
[  390.053399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.058769] active_anon:56065 inactive_anon:190 isolated_anon:0
[  390.058769]  active_file:11 inactive_file:12 isolated_file:0
[  390.058769]  unevictable:0 dirty:0 writeback:0 unstable:0
[  390.058769]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  390.058769]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  390.058769]  free:13773 free_pcp:518 free_cma:0
[  390.061140] Call Trace:
[  390.070534] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  390.103379]  <IRQ>
[  390.105952] 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
[  390.133450]  dump_stack+0x244/0x39d
[  390.135569] lowmem_reserve[]: 0 2818 6321 6321
[  390.161765]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.165364] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  390.169952]  warn_alloc.cold.116+0xb7/0x1bd
[  390.175098] lowmem_reserve[]: 0 0 3503 3503
[  390.202602]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.206911] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  390.211227]  ? lock_downgrade+0x900/0x900
[  390.216041] lowmem_reserve[]: 0 0 0 0
[  390.245018]  ? trace_hardirqs_off+0xb8/0x310
[  390.249137] 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
[  390.252937]  ? trace_hardirqs_off+0xb8/0x310
[  390.257316] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  390.270841]  __alloc_pages_slowpath+0x26e8/0x2e10
[  390.275220] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  390.290419]  ? warn_alloc+0x120/0x120
[  390.295225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  390.310133]  ? print_usage_bug+0xc0/0xc0
[  390.313915] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  390.322743]  ? warn_alloc+0x120/0x120
[  390.326778] 266 total pagecache pages
[  390.335345]  ? warn_alloc+0x120/0x120
[  390.339124] 0 pages in swap cache
[  390.342931]  ? print_usage_bug+0xc0/0xc0
[  390.346726] Swap cache stats: add 0, delete 0, find 0/0
[  390.350172]  ? kvm_clock_read+0x18/0x30
[  390.354208] Free swap  = 0kB
[  390.359564]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  390.363510] Total swap = 0kB
[  390.366520]  ? print_usage_bug+0xc0/0xc0
[  390.371512] 1965979 pages RAM
[  390.374529]  ? __lock_acquire+0x62f/0x4c20
[  390.378597] 0 pages HighMem/MovableOnly
[  390.381702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.385914] 342854 pages reserved
[  390.389891]  ? should_fail+0x22d/0xd01
[  390.395398] 0 pages cma reserved
[  390.398845]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.402776] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.406064]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.411392] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.417798]  ? __lock_acquire+0x62f/0x4c20
[  390.422874] ksoftirqd/1 cpuset=/ mems_allowed=0
[  390.433182]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.447143]  ? __lock_acquire+0x62f/0x4c20
[  390.451377]  ? should_fail+0x22d/0xd01
[  390.455261]  ? rcu_irq_exit+0x1a2/0x390
[  390.459252]  ? mark_held_locks+0x130/0x130
[  390.463518]  ? mark_held_locks+0x130/0x130
[  390.467765]  ? mark_held_locks+0xc7/0x130
[  390.471919]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  390.476937]  ? zap_class+0x640/0x640
[  390.480657]  ? print_usage_bug+0xc0/0xc0
[  390.484730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.490275]  ? check_preemption_disabled+0x48/0x280
[  390.495302]  ? __lock_is_held+0xb5/0x140
[  390.499373]  __alloc_pages_nodemask+0xa80/0xde0
[  390.504046]  ? zap_class+0x640/0x640
[  390.507767]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  390.512798]  ? find_held_lock+0x36/0x1c0
[  390.516892]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.521569]  ? lock_downgrade+0x900/0x900
[  390.525730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.531279]  cache_grow_begin+0xa5/0x8c0
[  390.535342]  ? do_raw_spin_unlock+0xa7/0x330
[  390.539782]  fallback_alloc+0x204/0x2e0
[  390.543768]  ____cache_alloc_node+0x1c7/0x1e0
[  390.548273]  kmem_cache_alloc_node+0xe3/0x730
[  390.552994]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.557241]  __alloc_skb+0x119/0x770
[  390.560960]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.566240]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.570659]  ? lock_downgrade+0x900/0x900
[  390.574821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.580381]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.585850]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.591310]  ? addrconf_rs_timer+0x690/0x690
[  390.595733]  ndisc_alloc_skb+0x144/0x340
[  390.599803]  ndisc_send_rs+0x331/0x6e0
[  390.603696]  addrconf_rs_timer+0x314/0x690
[  390.607938]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.612187]  call_timer_fn+0x272/0x920
[  390.616084]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.620324]  ? process_timeout+0x40/0x40
[  390.624397]  ? mark_held_locks+0xc7/0x130
[  390.628548]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.633043]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.637535]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.641772]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.646361]  ? trace_hardirqs_on+0xbd/0x310
[  390.650684]  ? kasan_check_read+0x11/0x20
[  390.654834]  ? __run_timers+0x7da/0xc70
[  390.658810]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.663926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.668167]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.672400]  __run_timers+0x7e5/0xc70
[  390.676219]  ? timer_fixup_init+0x70/0x70
[  390.680370]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.685532]  ? zap_class+0x640/0x640
[  390.689258]  ? print_usage_bug+0xc0/0xc0
[  390.693322]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.698522]  ? find_held_lock+0x36/0x1c0
[  390.702593]  ? zap_class+0x640/0x640
[  390.706324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.711865]  ? check_preemption_disabled+0x48/0x280
[  390.716903]  ? __lock_is_held+0xb5/0x140
[  390.720969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.726508]  ? check_preemption_disabled+0x48/0x280
[  390.731532]  run_timer_softirq+0x52/0xb0
[  390.735600]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.740639]  __do_softirq+0x308/0xb7e
[  390.744446]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  390.748943]  ? lock_downgrade+0x900/0x900
[  390.753098]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.758216]  ? pvclock_read_flags+0x160/0x160
[  390.762714]  ? lapic_next_event+0x5a/0x90
[  390.766865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.772420]  ? kvm_clock_read+0x18/0x30
[  390.776396]  ? kvm_sched_clock_read+0x9/0x20
[  390.780812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.786354]  ? check_preemption_disabled+0x48/0x280
[  390.791385]  irq_exit+0x17f/0x1c0
[  390.794845]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.799690]  ? smp_reschedule_interrupt+0x109/0x650
[  390.804712]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.810601]  ? interrupt_entry+0xb5/0xc0
[  390.814676]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.819696]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.824719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.829562]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.834581]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.839602]  ? task_prio+0x50/0x50
[  390.843157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.848697]  ? check_preemption_disabled+0x48/0x280
[  390.853720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.858573]  apic_timer_interrupt+0xf/0x20
[  390.862801]  </IRQ>
[  390.865039] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  390.870233] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  390.889130] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  390.896835] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  390.904102] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  390.911369] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  390.918641] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  390.925915] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  390.933213]  retint_kernel+0x1b/0x2d
[  390.936934] RIP: 0010:dump_stack+0x358/0x39d
[  390.941341] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  390.960239] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  390.967948] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  390.975220] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  390.982490] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  390.989760] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  390.997029] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  391.004316]  ? dump_stack+0x34f/0x39d
[  391.008133]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.013332]  ? mark_held_locks+0x130/0x130
[  391.017568]  ? mark_held_locks+0x130/0x130
[  391.021808]  dump_header+0x27b/0xf72
[  391.025535]  ? pagefault_out_of_memory+0x197/0x197
[  391.030478]  ? __lock_acquire+0x62f/0x4c20
[  391.034717]  ? percpu_ref_get_many+0x240/0x240
[  391.039306]  ? print_usage_bug+0xc0/0xc0
[  391.043376]  ? zap_class+0x640/0x640
[  391.047093]  ? print_usage_bug+0xc0/0xc0
[  391.051159]  ? print_usage_bug+0xc0/0xc0
[  391.055226]  ? zap_class+0x640/0x640
[  391.058944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.064490]  ? find_held_lock+0x36/0x1c0
[  391.068566]  ? mark_held_locks+0xc7/0x130
[  391.072721]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.077827]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.082936]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.087521]  ? trace_hardirqs_on+0xbd/0x310
[  391.091848]  ? kasan_check_read+0x11/0x20
[  391.096004]  ? ___ratelimit+0x3b4/0x672
[  391.099982]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.105088]  ? trace_hardirqs_on+0x310/0x310
[  391.109500]  ? lock_downgrade+0x900/0x900
[  391.113658]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  391.118768]  ? ___ratelimit+0x3b9/0x672
[  391.122745]  ? idr_get_free+0xf70/0xf70
[  391.126724]  ? find_held_lock+0x36/0x1c0
[  391.130796]  oom_kill_process.cold.27+0x10/0x903
[  391.135551]  ? zap_class+0x640/0x640
[  391.139269]  ? check_preemption_disabled+0x48/0x280
[  391.144295]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.149228]  ? kasan_check_read+0x11/0x20
[  391.153375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.158656]  ? oom_evaluate_task+0x540/0x540
[  391.163069]  ? find_held_lock+0x36/0x1c0
[  391.167166]  ? out_of_memory+0x974/0x1430
[  391.171331]  ? lock_downgrade+0x900/0x900
[  391.175494]  ? check_preemption_disabled+0x48/0x280
[  391.180509]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.185438]  ? kasan_check_read+0x11/0x20
[  391.189615]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.194904]  ? rcu_softirq_qs+0x20/0x20
[  391.198889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.204426]  ? oom_evaluate_task+0x302/0x540
[  391.208842]  out_of_memory+0xa84/0x1430
[  391.212825]  ? oom_killer_disable+0x3a0/0x3a0
[  391.217321]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  391.222256]  ? __ww_mutex_check_waiters+0x160/0x160
[  391.227286]  __alloc_pages_slowpath+0x2354/0x2e10
[  391.232174]  ? warn_alloc+0x120/0x120
[  391.236014]  ? mark_held_locks+0x130/0x130
[  391.240256]  ? find_get_entry+0xaae/0x1120
[  391.244500]  ? filemap_map_pages+0x1a20/0x1a20
[  391.249093]  ? zap_class+0x640/0x640
[  391.252830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.258371]  ? check_preemption_disabled+0x48/0x280
[  391.263387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.268927]  ? should_fail+0x22d/0xd01
[  391.272823]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.277929]  ? zap_class+0x640/0x640
[  391.281676]  ? __lock_is_held+0xb5/0x140
[  391.285748]  ? mark_held_locks+0x130/0x130
[  391.289990]  ? lock_release+0xa00/0xa00
[  391.293968]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.299422]  ? xa_load+0x2ba/0x460
[  391.302997]  ? lock_downgrade+0x900/0x900
[  391.307152]  ? __might_sleep+0x95/0x190
[  391.311136]  __alloc_pages_nodemask+0xa80/0xde0
[  391.315819]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.320839]  ? __page_cache_alloc+0x191/0x5c0
[  391.325332]  ? xa_load+0x2e1/0x460
[  391.328875]  ? xa_clear_mark+0x40/0x40
[  391.332770]  ? zap_class+0x640/0x640
[  391.336497]  ? zap_class+0x640/0x640
[  391.340220]  ? zap_class+0x640/0x640
[  391.343936]  ? __do_page_cache_readahead+0x663/0x810
[  391.349057]  ? find_held_lock+0x36/0x1c0
[  391.353141]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  391.358687]  alloc_pages_current+0x173/0x350
[  391.363161]  __page_cache_alloc+0x38c/0x5c0
[  391.367484]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.372418]  ? kasan_check_read+0x11/0x20
[  391.376566]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.381862]  ? generic_perform_write+0x6a0/0x6a0
[  391.386627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.392168]  ? check_preemption_disabled+0x48/0x280
[  391.397195]  filemap_fault+0x1595/0x25f0
[  391.401269]  ? __lock_page_or_retry+0xa00/0xa00
[  391.405946]  ? mark_held_locks+0x130/0x130
[  391.410191]  ? filemap_map_pages+0xd6b/0x1a20
[  391.414693]  ? lock_downgrade+0x900/0x900
[  391.418845]  ? check_preemption_disabled+0x48/0x280
[  391.423865]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.428800]  ? kasan_check_read+0x11/0x20
[  391.432948]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.438227]  ? rcu_softirq_qs+0x20/0x20
[  391.442214]  ? filemap_map_pages+0xd92/0x1a20
[  391.446712]  ? __lock_acquire+0x62f/0x4c20
[  391.450974]  ? find_get_entries_tag+0x1400/0x1400
[  391.455840]  ? lock_acquire+0x1ed/0x520
[  391.459827]  ? ext4_filemap_fault+0x7a/0xad
[  391.464201]  ? lock_release+0xa00/0xa00
[  391.468177]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.473638]  ? print_usage_bug+0xc0/0xc0
[  391.477707]  ? print_usage_bug+0xc0/0xc0
[  391.481785]  ? down_read+0x8d/0x120
[  391.485424]  ? ext4_filemap_fault+0x7a/0xad
[  391.489748]  ? __down_interruptible+0x700/0x700
[  391.494429]  ext4_filemap_fault+0x82/0xad
[  391.498646]  __do_fault+0x100/0x6b0
[  391.502283]  ? pmd_devmap_trans_unstable+0x220/0x220
[  391.507390]  ? mark_held_locks+0x130/0x130
[  391.511637]  ? mark_held_locks+0x130/0x130
[  391.515876]  ? __might_fault+0x12b/0x1e0
[  391.519954]  ? lock_downgrade+0x900/0x900
[  391.524108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.529662]  __handle_mm_fault+0x3ea0/0x5be0
[  391.534081]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  391.538932]  ? kasan_check_read+0x11/0x20
[  391.543080]  ? _copy_to_user+0xc8/0x110
[  391.547060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.552608]  ? zap_class+0x640/0x640
[  391.556330]  ? zap_class+0x640/0x640
[  391.560053]  ? find_held_lock+0x36/0x1c0
[  391.564127]  ? handle_mm_fault+0x42a/0xc70
[  391.568373]  ? lock_downgrade+0x900/0x900
[  391.572549]  ? check_preemption_disabled+0x48/0x280
[  391.577567]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.582518]  ? kasan_check_read+0x11/0x20
[  391.586662]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.591975]  ? rcu_softirq_qs+0x20/0x20
[  391.595960]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.601069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.606606]  ? check_preemption_disabled+0x48/0x280
[  391.611647]  handle_mm_fault+0x54f/0xc70
[  391.615717]  ? __handle_mm_fault+0x5be0/0x5be0
[  391.620305]  ? find_vma+0x34/0x190
[  391.623855]  __do_page_fault+0x5e8/0xe60
[  391.627938]  ? trace_hardirqs_off+0xb8/0x310
[  391.632389]  do_page_fault+0xf2/0x7e0
[  391.636194]  ? vmalloc_sync_all+0x30/0x30
[  391.640342]  ? error_entry+0x70/0xd0
[  391.644062]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.649081]  ? trace_hardirqs_on_caller+0xc0/0x310
[  391.654015]  ? syscall_return_slowpath+0x5e0/0x5e0
[  391.658947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.663792]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.668814]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  391.674294]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  391.679313]  ? prepare_exit_to_usermode+0x291/0x3b0
[  391.684332]  ? page_fault+0x8/0x30
[  391.687878]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.692729]  ? page_fault+0x8/0x30
[  391.696275]  page_fault+0x1e/0x30
[  391.699725] RIP: 0033:0x4375fe
[  391.702927] Code: Bad RIP value.
[  391.706288] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  391.711653] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  391.718924] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  391.726190] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  391.733474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  391.740745] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  391.748043] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  391.748108] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  391.754972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.754977] Call Trace:
[  391.754998]  dump_stack+0x244/0x39d
[  391.755018]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.761669] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.770872]  warn_alloc.cold.116+0xb7/0x1bd
[  391.773424] syz-fuzzer cpuset=/ mems_allowed=0
[  391.777047]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.806142]  ? lock_downgrade+0x900/0x900
[  391.810306]  ? trace_hardirqs_off+0xb8/0x310
[  391.814725]  ? trace_hardirqs_off+0xb8/0x310
[  391.819147]  __alloc_pages_slowpath+0x26e8/0x2e10
[  391.824022]  ? warn_alloc+0x120/0x120
[  391.827827]  ? print_usage_bug+0xc0/0xc0
[  391.831890]  ? warn_alloc+0x120/0x120
[  391.835702]  ? warn_alloc+0x120/0x120
[  391.839506]  ? print_usage_bug+0xc0/0xc0
[  391.843575]  ? print_usage_bug+0xc0/0xc0
[  391.847648]  ? __lock_acquire+0x62f/0x4c20
[  391.851893]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.857438]  ? should_fail+0x22d/0xd01
[  391.861335]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.866439]  ? __lock_acquire+0x62f/0x4c20
[  391.870683]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.875789]  ? __lock_acquire+0x62f/0x4c20
[  391.880023]  ? should_fail+0x22d/0xd01
[  391.883925]  ? mark_held_locks+0x130/0x130
[  391.888167]  ? mark_held_locks+0x130/0x130
[  391.892403]  ? zap_class+0x640/0x640
[  391.896124]  ? zap_class+0x640/0x640
[  391.899845]  ? zap_class+0x640/0x640
[  391.903563]  ? print_usage_bug+0xc0/0xc0
[  391.907631]  ? mark_held_locks+0x130/0x130
[  391.911876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.917416]  ? check_preemption_disabled+0x48/0x280
[  391.922443]  ? __lock_is_held+0xb5/0x140
[  391.926514]  __alloc_pages_nodemask+0xa80/0xde0
[  391.931183]  ? zap_class+0x640/0x640
[  391.934907]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.939939]  ? find_held_lock+0x36/0x1c0
[  391.944013]  ? ____cache_alloc_node+0x1c7/0x1e0
[  391.948686]  ? lock_downgrade+0x900/0x900
[  391.952843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.958397]  cache_grow_begin+0xa5/0x8c0
[  391.962459]  ? do_raw_spin_unlock+0xa7/0x330
[  391.966876]  fallback_alloc+0x204/0x2e0
[  391.970864]  ____cache_alloc_node+0x1c7/0x1e0
[  391.975366]  kmem_cache_alloc_node+0xe3/0x730
[  391.979867]  ? ipv6_get_ifaddr+0x42e/0x620
[  391.984116]  __alloc_skb+0x119/0x770
[  391.987834]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.993117]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.997527]  ? lock_downgrade+0x900/0x900
[  392.001684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.007223]  ? refcount_sub_and_test_checked+0x203/0x310
[  392.012683]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  392.018135]  ? addrconf_rs_timer+0x690/0x690
[  392.022562]  ndisc_alloc_skb+0x144/0x340
[  392.026642]  ndisc_send_rs+0x331/0x6e0
[  392.030536]  addrconf_rs_timer+0x314/0x690
[  392.034781]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.039030]  call_timer_fn+0x272/0x920
[  392.042917]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.047157]  ? process_timeout+0x40/0x40
[  392.051228]  ? __run_timers+0x7da/0xc70
[  392.055205]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.059702]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.064198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.068434]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.073019]  ? trace_hardirqs_on+0xbd/0x310
[  392.077345]  ? kasan_check_read+0x11/0x20
[  392.081493]  ? __run_timers+0x7da/0xc70
[  392.085473]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.090590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.094834]  __run_timers+0x7e5/0xc70
[  392.098654]  ? timer_fixup_init+0x70/0x70
[  392.102807]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.107303]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.111800]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.116389]  ? trace_hardirqs_on+0xbd/0x310
[  392.120711]  ? kasan_check_read+0x11/0x20
[  392.124862]  ? finish_task_switch+0x1f4/0x910
[  392.129358]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.134470]  ? compat_start_thread+0x80/0x80
[  392.138900]  ? pvclock_read_flags+0x160/0x160
[  392.143401]  ? __switch_to_asm+0x34/0x70
[  392.147467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.153009]  ? check_preemption_disabled+0x48/0x280
[  392.158036]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  392.163575]  ? rcu_pm_notify+0xc0/0xc0
[  392.167464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.173002]  ? check_preemption_disabled+0x48/0x280
[  392.178024]  run_timer_softirq+0x52/0xb0
[  392.182091]  ? rcu_read_lock_sched_held+0x14f/0x180
[  392.187108]  __do_softirq+0x308/0xb7e
[  392.190919]  ? trace_hardirqs_on_caller+0xc0/0x310
[  392.195853]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.200961]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  392.206421]  ? schedule+0x108/0x460
[  392.210054]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  392.214822]  ? trace_hardirqs_off+0xb8/0x310
[  392.219244]  ? smpboot_thread_fn+0x68b/0xa00
[  392.223662]  ? trace_hardirqs_on+0x310/0x310
[  392.228078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.233632]  ? check_preemption_disabled+0x48/0x280
[  392.238669]  ? takeover_tasklets+0xa90/0xa90
[  392.243084]  run_ksoftirqd+0x5e/0x100
[  392.246889]  smpboot_thread_fn+0x68b/0xa00
[  392.251134]  ? sort_range+0x30/0x30
[  392.254764]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  392.259869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.265410]  ? __kthread_parkme+0xfb/0x1a0
[  392.269657]  ? sort_range+0x30/0x30
[  392.273283]  kthread+0x35a/0x440
[  392.276670]  ? kthread_stop+0x900/0x900
[  392.280657]  ret_from_fork+0x3a/0x50
[  392.284401] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  392.284406] warn_alloc_show_mem: 1 callbacks suppressed
[  392.284414] Mem-Info:
[  392.291421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.296792] active_anon:56065 inactive_anon:190 isolated_anon:0
[  392.296792]  active_file:11 inactive_file:12 isolated_file:0
[  392.296792]  unevictable:0 dirty:0 writeback:0 unstable:0
[  392.296792]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  392.296792]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  392.296792]  free:13773 free_pcp:518 free_cma:0
[  392.299164] Call Trace:
[  392.308556] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  392.342093]  <IRQ>
[  392.344666] 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
[  392.372162]  dump_stack+0x244/0x39d
[  392.374275] lowmem_reserve[]: 0 2818 6321 6321
[  392.400388]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.403991] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  392.408574]  warn_alloc.cold.116+0xb7/0x1bd
[  392.413732] lowmem_reserve[]: 0 0 3503 3503
[  392.441229]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  392.445557] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  392.449912]  ? lock_downgrade+0x900/0x900
[  392.454726] lowmem_reserve[]: 0 0 0 0
[  392.483702]  ? trace_hardirqs_off+0xb8/0x310
[  392.487821] 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
[  392.491628]  ? trace_hardirqs_off+0xb8/0x310
[  392.496007] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  392.509528]  __alloc_pages_slowpath+0x26e8/0x2e10
[  392.513906] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  392.529108]  ? warn_alloc+0x120/0x120
[  392.533908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  392.548807]  ? print_usage_bug+0xc0/0xc0
[  392.552746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  392.552755] 266 total pagecache pages
[  392.561592]  ? warn_alloc+0x120/0x120
[  392.565640] 0 pages in swap cache
[  392.574202]  ? warn_alloc+0x120/0x120
[  392.577981] Swap cache stats: add 0, delete 0, find 0/0
[  392.581772]  ? print_usage_bug+0xc0/0xc0
[  392.585203] Free swap  = 0kB
[  392.588998]  ? print_usage_bug+0xc0/0xc0
[  392.594338] Total swap = 0kB
[  392.598390]  ? __lock_acquire+0x62f/0x4c20
[  392.601388] 1965979 pages RAM
[  392.605444]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.608433] 0 pages HighMem/MovableOnly
[  392.612663]  ? should_fail+0x22d/0xd01
[  392.615743] 342854 pages reserved
[  392.621272]  ? __lock_acquire+0x62f/0x4c20
[  392.625223] 0 pages cma reserved
[  392.629103]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.632594] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.636761]  ? __lock_acquire+0x62f/0x4c20
[  392.636781]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.636797]  ? __lock_acquire+0x62f/0x4c20
[  392.640205] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.645270]  ? should_fail+0x22d/0xd01
[  392.651737] ksoftirqd/1 cpuset=/ mems_allowed=0
[  392.655969]  ? mark_held_locks+0x130/0x130
[  392.688453]  ? mark_held_locks+0x130/0x130
[  392.692685]  ? zap_class+0x640/0x640
[  392.696412]  ? zap_class+0x640/0x640
[  392.700130]  ? print_usage_bug+0xc0/0xc0
[  392.704190]  ? wq_watchdog_touch+0x9c/0xfe
[  392.708432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.713977]  ? check_preemption_disabled+0x48/0x280
[  392.719007]  ? __lock_is_held+0xb5/0x140
[  392.723078]  __alloc_pages_nodemask+0xa80/0xde0
[  392.727749]  ? zap_class+0x640/0x640
[  392.731469]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  392.736500]  ? find_held_lock+0x36/0x1c0
[  392.740592]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.745303]  ? lock_downgrade+0x900/0x900
[  392.749461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.755095]  cache_grow_begin+0xa5/0x8c0
[  392.759155]  ? do_raw_spin_unlock+0xa7/0x330
[  392.763577]  fallback_alloc+0x204/0x2e0
[  392.767565]  ____cache_alloc_node+0x1c7/0x1e0
[  392.772070]  kmem_cache_alloc_node+0xe3/0x730
[  392.776569]  ? ipv6_get_ifaddr+0x42e/0x620
[  392.780817]  __alloc_skb+0x119/0x770
[  392.784529]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.789811]  ? netdev_alloc_frag+0x1f0/0x1f0
[  392.794222]  ? lock_downgrade+0x900/0x900
[  392.798383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.803921]  ? refcount_sub_and_test_checked+0x203/0x310
[  392.809377]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  392.814828]  ? addrconf_rs_timer+0x690/0x690
[  392.819251]  ndisc_alloc_skb+0x144/0x340
[  392.823316]  ndisc_send_rs+0x331/0x6e0
[  392.827214]  addrconf_rs_timer+0x314/0x690
[  392.831454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.835700]  call_timer_fn+0x272/0x920
[  392.839589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.843836]  ? process_timeout+0x40/0x40
[  392.847914]  ? mark_held_locks+0xc7/0x130
[  392.852065]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.856558]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.861056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.865291]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.869877]  ? trace_hardirqs_on+0xbd/0x310
[  392.874208]  ? kasan_check_read+0x11/0x20
[  392.878357]  ? __run_timers+0x7da/0xc70
[  392.882337]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.887456]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.891695]  __run_timers+0x7e5/0xc70
[  392.895509]  ? timer_fixup_init+0x70/0x70
[  392.899661]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  392.904680]  ? zap_class+0x640/0x640
[  392.908401]  ? print_usage_bug+0xc0/0xc0
[  392.912465]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  392.917668]  ? find_held_lock+0x36/0x1c0
[  392.921737]  ? zap_class+0x640/0x640
[  392.925464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.931010]  ? check_preemption_disabled+0x48/0x280
[  392.936039]  ? __lock_is_held+0xb5/0x140
[  392.940105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.945653]  ? check_preemption_disabled+0x48/0x280
[  392.950675]  run_timer_softirq+0x52/0xb0
[  392.954739]  ? rcu_read_lock_sched_held+0x14f/0x180
[  392.959761]  __do_softirq+0x308/0xb7e
[  392.963566]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  392.968059]  ? lock_downgrade+0x900/0x900
[  392.972217]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.977333]  ? pvclock_read_flags+0x160/0x160
[  392.981833]  ? lapic_next_event+0x5a/0x90
[  392.985985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.991532]  ? kvm_clock_read+0x18/0x30
[  392.995505]  ? kvm_sched_clock_read+0x9/0x20
[  392.999918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.005456]  ? check_preemption_disabled+0x48/0x280
[  393.010486]  irq_exit+0x17f/0x1c0
[  393.013940]  smp_apic_timer_interrupt+0x1cb/0x760
[  393.018787]  ? smp_reschedule_interrupt+0x109/0x650
[  393.023812]  ? smp_call_function_single_interrupt+0x650/0x650
[  393.029695]  ? interrupt_entry+0xb5/0xc0
[  393.033760]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.038780]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.043799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.048679]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.053701]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.058717]  ? task_prio+0x50/0x50
[  393.062264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.067802]  ? check_preemption_disabled+0x48/0x280
[  393.072828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.077695]  apic_timer_interrupt+0xf/0x20
[  393.081929]  </IRQ>
[  393.084168] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  393.089358] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  393.108257] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  393.115965] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  393.123231] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  393.130498] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  393.137764] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  393.145031] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  393.152331]  retint_kernel+0x1b/0x2d
[  393.156045] RIP: 0010:dump_stack+0x358/0x39d
[  393.160454] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  393.179356] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  393.187064] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  393.194332] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  393.201627] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  393.208904] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  393.216170] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  393.223455]  ? dump_stack+0x34f/0x39d
[  393.227271]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.232466]  ? mark_held_locks+0x130/0x130
[  393.236702]  ? mark_held_locks+0x130/0x130
[  393.240946]  dump_header+0x27b/0xf72
[  393.244674]  ? pagefault_out_of_memory+0x197/0x197
[  393.249617]  ? __lock_acquire+0x62f/0x4c20
[  393.253869]  ? percpu_ref_get_many+0x240/0x240
[  393.258461]  ? print_usage_bug+0xc0/0xc0
[  393.262529]  ? zap_class+0x640/0x640
[  393.266247]  ? print_usage_bug+0xc0/0xc0
[  393.270313]  ? print_usage_bug+0xc0/0xc0
[  393.274407]  ? zap_class+0x640/0x640
[  393.278124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.283666]  ? find_held_lock+0x36/0x1c0
[  393.287737]  ? mark_held_locks+0xc7/0x130
[  393.291893]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.296994]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.302102]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.306687]  ? trace_hardirqs_on+0xbd/0x310
[  393.311010]  ? kasan_check_read+0x11/0x20
[  393.315162]  ? ___ratelimit+0x3b4/0x672
[  393.319138]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.324244]  ? trace_hardirqs_on+0x310/0x310
[  393.328659]  ? lock_downgrade+0x900/0x900
[  393.332818]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  393.337926]  ? ___ratelimit+0x3b9/0x672
[  393.341923]  ? idr_get_free+0xf70/0xf70
[  393.345927]  ? find_held_lock+0x36/0x1c0
[  393.350004]  oom_kill_process.cold.27+0x10/0x903
[  393.354762]  ? zap_class+0x640/0x640
[  393.358477]  ? check_preemption_disabled+0x48/0x280
[  393.363499]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.368442]  ? kasan_check_read+0x11/0x20
[  393.372588]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.377879]  ? oom_evaluate_task+0x540/0x540
[  393.382300]  ? find_held_lock+0x36/0x1c0
[  393.386374]  ? out_of_memory+0x974/0x1430
[  393.390524]  ? lock_downgrade+0x900/0x900
[  393.394675]  ? check_preemption_disabled+0x48/0x280
[  393.399693]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.404630]  ? kasan_check_read+0x11/0x20
[  393.408782]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.414064]  ? rcu_softirq_qs+0x20/0x20
[  393.418044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.423581]  ? oom_evaluate_task+0x302/0x540
[  393.427999]  out_of_memory+0xa84/0x1430
[  393.431986]  ? oom_killer_disable+0x3a0/0x3a0
[  393.436485]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  393.441422]  ? __ww_mutex_check_waiters+0x160/0x160
[  393.446454]  __alloc_pages_slowpath+0x2354/0x2e10
[  393.451331]  ? warn_alloc+0x120/0x120
[  393.455130]  ? mark_held_locks+0x130/0x130
[  393.459371]  ? find_get_entry+0xaae/0x1120
[  393.463639]  ? filemap_map_pages+0x1a20/0x1a20
[  393.468233]  ? zap_class+0x640/0x640
[  393.471954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.477498]  ? check_preemption_disabled+0x48/0x280
[  393.482515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.488054]  ? should_fail+0x22d/0xd01
[  393.491958]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.497067]  ? zap_class+0x640/0x640
[  393.500809]  ? __lock_is_held+0xb5/0x140
[  393.504889]  ? mark_held_locks+0x130/0x130
[  393.509128]  ? lock_release+0xa00/0xa00
[  393.513107]  ? perf_trace_sched_process_exec+0x860/0x860
[  393.518562]  ? xa_load+0x2ba/0x460
[  393.522104]  ? lock_downgrade+0x900/0x900
[  393.526259]  ? __might_sleep+0x95/0x190
[  393.530239]  __alloc_pages_nodemask+0xa80/0xde0
[  393.534929]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.539951]  ? __page_cache_alloc+0x191/0x5c0
[  393.544447]  ? xa_load+0x2e1/0x460
[  393.547988]  ? xa_clear_mark+0x40/0x40
[  393.551887]  ? zap_class+0x640/0x640
[  393.555611]  ? zap_class+0x640/0x640
[  393.559336]  ? zap_class+0x640/0x640
[  393.563051]  ? __do_page_cache_readahead+0x663/0x810
[  393.568159]  ? find_held_lock+0x36/0x1c0
[  393.572228]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  393.577776]  alloc_pages_current+0x173/0x350
[  393.582194]  __page_cache_alloc+0x38c/0x5c0
[  393.586517]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.591444]  ? kasan_check_read+0x11/0x20
[  393.595591]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.600880]  ? generic_perform_write+0x6a0/0x6a0
[  393.605654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.611194]  ? check_preemption_disabled+0x48/0x280
[  393.616224]  filemap_fault+0x1595/0x25f0
[  393.620301]  ? __lock_page_or_retry+0xa00/0xa00
[  393.624976]  ? mark_held_locks+0x130/0x130
[  393.629220]  ? filemap_map_pages+0xd6b/0x1a20
[  393.633719]  ? lock_downgrade+0x900/0x900
[  393.637871]  ? check_preemption_disabled+0x48/0x280
[  393.642903]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.647832]  ? kasan_check_read+0x11/0x20
[  393.652027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.657304]  ? rcu_softirq_qs+0x20/0x20
[  393.661296]  ? filemap_map_pages+0xd92/0x1a20
[  393.665800]  ? __lock_acquire+0x62f/0x4c20
[  393.670048]  ? find_get_entries_tag+0x1400/0x1400
[  393.674921]  ? lock_acquire+0x1ed/0x520
[  393.678904]  ? ext4_filemap_fault+0x7a/0xad
[  393.683234]  ? lock_release+0xa00/0xa00
[  393.687213]  ? perf_trace_sched_process_exec+0x860/0x860
[  393.692693]  ? print_usage_bug+0xc0/0xc0
[  393.696758]  ? print_usage_bug+0xc0/0xc0
[  393.700840]  ? down_read+0x8d/0x120
[  393.704466]  ? ext4_filemap_fault+0x7a/0xad
[  393.708794]  ? __down_interruptible+0x700/0x700
[  393.713491]  ext4_filemap_fault+0x82/0xad
[  393.717649]  __do_fault+0x100/0x6b0
[  393.721287]  ? pmd_devmap_trans_unstable+0x220/0x220
[  393.726398]  ? mark_held_locks+0x130/0x130
[  393.730647]  ? mark_held_locks+0x130/0x130
[  393.734893]  ? __might_fault+0x12b/0x1e0
[  393.738961]  ? lock_downgrade+0x900/0x900
[  393.743134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.748677]  __handle_mm_fault+0x3ea0/0x5be0
[  393.753101]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  393.757955]  ? kasan_check_read+0x11/0x20
[  393.762106]  ? _copy_to_user+0xc8/0x110
[  393.766097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.771672]  ? zap_class+0x640/0x640
[  393.775387]  ? zap_class+0x640/0x640
[  393.779108]  ? find_held_lock+0x36/0x1c0
[  393.783185]  ? handle_mm_fault+0x42a/0xc70
[  393.787426]  ? lock_downgrade+0x900/0x900
[  393.791575]  ? check_preemption_disabled+0x48/0x280
[  393.796596]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.801531]  ? kasan_check_read+0x11/0x20
[  393.805679]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.810959]  ? rcu_softirq_qs+0x20/0x20
[  393.814939]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.820048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.825612]  ? check_preemption_disabled+0x48/0x280
[  393.830694]  handle_mm_fault+0x54f/0xc70
[  393.834759]  ? __handle_mm_fault+0x5be0/0x5be0
[  393.839347]  ? find_vma+0x34/0x190
[  393.842904]  __do_page_fault+0x5e8/0xe60
[  393.846968]  ? trace_hardirqs_off+0xb8/0x310
[  393.851390]  do_page_fault+0xf2/0x7e0
[  393.855193]  ? vmalloc_sync_all+0x30/0x30
[  393.859340]  ? error_entry+0x70/0xd0
[  393.863085]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.868101]  ? trace_hardirqs_on_caller+0xc0/0x310
[  393.873034]  ? syscall_return_slowpath+0x5e0/0x5e0
[  393.877960]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.882808]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.887823]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  393.893279]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  393.898302]  ? prepare_exit_to_usermode+0x291/0x3b0
[  393.903317]  ? page_fault+0x8/0x30
[  393.906860]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.911716]  ? page_fault+0x8/0x30
[  393.915257]  page_fault+0x1e/0x30
[  393.918710] RIP: 0033:0x4375fe
[  393.921915] Code: Bad RIP value.
[  393.925274] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  393.930642] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  393.937956] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  393.945250] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  393.952514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  393.959781] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  393.967077] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  393.967142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  393.974006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.974012] Call Trace:
[  393.974031]  dump_stack+0x244/0x39d
[  393.974054]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.980584] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.989889]  warn_alloc.cold.116+0xb7/0x1bd
[  393.992447] syz-fuzzer cpuset=/ mems_allowed=0
[  393.996067]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.025142]  ? lock_downgrade+0x900/0x900
[  394.029305]  ? trace_hardirqs_off+0xb8/0x310
[  394.033741]  ? trace_hardirqs_off+0xb8/0x310
[  394.038161]  __alloc_pages_slowpath+0x26e8/0x2e10
[  394.043037]  ? warn_alloc+0x120/0x120
[  394.046841]  ? print_usage_bug+0xc0/0xc0
[  394.050908]  ? warn_alloc+0x120/0x120
[  394.054715]  ? warn_alloc+0x120/0x120
[  394.058517]  ? print_usage_bug+0xc0/0xc0
[  394.062589]  ? print_usage_bug+0xc0/0xc0
[  394.066661]  ? __lock_acquire+0x62f/0x4c20
[  394.070921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.076477]  ? should_fail+0x22d/0xd01
[  394.080370]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.085476]  ? __lock_acquire+0x62f/0x4c20
[  394.089717]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.094824]  ? __lock_acquire+0x62f/0x4c20
[  394.099069]  ? should_fail+0x22d/0xd01
[  394.102963]  ? find_held_lock+0x36/0x1c0
[  394.107034]  ? mark_held_locks+0x130/0x130
[  394.111274]  ? mark_held_locks+0x130/0x130
[  394.115523]  ? zap_class+0x640/0x640
[  394.119243]  ? zap_class+0x640/0x640
[  394.122963]  ? print_usage_bug+0xc0/0xc0
[  394.127022]  ? do_raw_spin_unlock+0xa7/0x330
[  394.131430]  ? zap_class+0x640/0x640
[  394.135144]  ? print_usage_bug+0xc0/0xc0
[  394.139206]  ? wq_watchdog_touch+0x9c/0xfe
[  394.143444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.148982]  ? check_preemption_disabled+0x48/0x280
[  394.154009]  ? __lock_is_held+0xb5/0x140
[  394.158081]  __alloc_pages_nodemask+0xa80/0xde0
[  394.162750]  ? zap_class+0x640/0x640
[  394.166471]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.171533]  ? find_held_lock+0x36/0x1c0
[  394.175609]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.180292]  ? lock_downgrade+0x900/0x900
[  394.184450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.189998]  cache_grow_begin+0xa5/0x8c0
[  394.194064]  ? do_raw_spin_unlock+0xa7/0x330
[  394.198509]  fallback_alloc+0x204/0x2e0
[  394.202494]  ____cache_alloc_node+0x1c7/0x1e0
[  394.207018]  kmem_cache_alloc_node+0xe3/0x730
[  394.211516]  ? ipv6_get_ifaddr+0x42e/0x620
[  394.215768]  __alloc_skb+0x119/0x770
[  394.219481]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.224763]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.229175]  ? lock_downgrade+0x900/0x900
[  394.233331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.238874]  ? refcount_sub_and_test_checked+0x203/0x310
[  394.244334]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  394.249792]  ? addrconf_rs_timer+0x690/0x690
[  394.254218]  ndisc_alloc_skb+0x144/0x340
[  394.258286]  ndisc_send_rs+0x331/0x6e0
[  394.262182]  addrconf_rs_timer+0x314/0x690
[  394.266424]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.270678]  call_timer_fn+0x272/0x920
[  394.274590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.278831]  ? process_timeout+0x40/0x40
[  394.282903]  ? __run_timers+0x7da/0xc70
[  394.286883]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.291397]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.295893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.300134]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.304723]  ? trace_hardirqs_on+0xbd/0x310
[  394.309046]  ? kasan_check_read+0x11/0x20
[  394.313196]  ? __run_timers+0x7da/0xc70
[  394.317171]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.322278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.326516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.330750]  __run_timers+0x7e5/0xc70
[  394.334563]  ? timer_fixup_init+0x70/0x70
[  394.338726]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.343224]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.347722]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  394.352310]  ? trace_hardirqs_on+0xbd/0x310
[  394.356637]  ? kasan_check_read+0x11/0x20
[  394.360790]  ? finish_task_switch+0x1f4/0x910
[  394.365292]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.370399]  ? compat_start_thread+0x80/0x80
[  394.374837]  ? pvclock_read_flags+0x160/0x160
[  394.379336]  ? __switch_to_asm+0x34/0x70
[  394.383409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.388951]  ? check_preemption_disabled+0x48/0x280
[  394.393978]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  394.399521]  ? rcu_pm_notify+0xc0/0xc0
[  394.403419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.408961]  ? check_preemption_disabled+0x48/0x280
[  394.413983]  run_timer_softirq+0x52/0xb0
[  394.418047]  ? rcu_read_lock_sched_held+0x14f/0x180
[  394.423064]  __do_softirq+0x308/0xb7e
[  394.426871]  ? trace_hardirqs_on_caller+0xc0/0x310
[  394.431811]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  394.436913]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  394.442392]  ? schedule+0x108/0x460
[  394.446032]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  394.450799]  ? trace_hardirqs_off+0xb8/0x310
[  394.455210]  ? smpboot_thread_fn+0x68b/0xa00
[  394.459632]  ? trace_hardirqs_on+0x310/0x310
[  394.464044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.469586]  ? check_preemption_disabled+0x48/0x280
[  394.474616]  ? takeover_tasklets+0xa90/0xa90
[  394.479040]  run_ksoftirqd+0x5e/0x100
[  394.482846]  smpboot_thread_fn+0x68b/0xa00
[  394.487089]  ? sort_range+0x30/0x30
[  394.490722]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  394.495832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.501371]  ? __kthread_parkme+0xfb/0x1a0
[  394.505650]  ? sort_range+0x30/0x30
[  394.509283]  kthread+0x35a/0x440
[  394.512661]  ? kthread_stop+0x900/0x900
[  394.516648]  ret_from_fork+0x3a/0x50
[  394.520387] warn_alloc_show_mem: 1 callbacks suppressed
[  394.520406] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  394.520408] Mem-Info:
[  394.520454] active_anon:56065 inactive_anon:190 isolated_anon:0
[  394.520454]  active_file:11 inactive_file:12 isolated_file:0
[  394.520454]  unevictable:0 dirty:0 writeback:0 unstable:0
[  394.520454]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  394.520454]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  394.520454]  free:13773 free_pcp:518 free_cma:0
[  394.525801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.532823] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  394.535223] Call Trace:
[  394.568295] 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
[  394.577665]  <IRQ>
[  394.605143] lowmem_reserve[]: 0 2818 6321 6321
[  394.607727]  dump_stack+0x244/0x39d
[  394.633808] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  394.635960]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.640513] lowmem_reserve[]: 0 0 3503 3503
[  394.644145]  warn_alloc.cold.116+0xb7/0x1bd
[  394.671610] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  394.676799]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.681612] lowmem_reserve[]: 0 0 0 0
[  394.685954]  ? lock_downgrade+0x900/0x900
[  394.714901] 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
[  394.719742]  ? trace_hardirqs_off+0xb8/0x310
[  394.723510] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  394.727659]  ? trace_hardirqs_off+0xb8/0x310
[  394.741157] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  394.745586]  __alloc_pages_slowpath+0x26e8/0x2e10
[  394.760735] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  394.765154]  ? warn_alloc+0x120/0x120
[  394.780022] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  394.784851]  ? print_usage_bug+0xc0/0xc0
[  394.793664] 266 total pagecache pages
[  394.797460]  ? warn_alloc+0x120/0x120
[  394.806016] 0 pages in swap cache
[  394.810066]  ? warn_alloc+0x120/0x120
[  394.813851] Swap cache stats: add 0, delete 0, find 0/0
[  394.817650]  ? print_usage_bug+0xc0/0xc0
[  394.821079] Free swap  = 0kB
[  394.824875]  ? print_usage_bug+0xc0/0xc0
[  394.830211] Total swap = 0kB
[  394.834263]  ? __lock_acquire+0x62f/0x4c20
[  394.837259] 1965979 pages RAM
[  394.841313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.844305] 0 pages HighMem/MovableOnly
[  394.848533]  ? should_fail+0x22d/0xd01
[  394.851615] 342854 pages reserved
[  394.857154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.861102] 0 pages cma reserved
[  394.864983]  ? __lock_acquire+0x62f/0x4c20
[  394.868477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.873507]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.873521]  ? __lock_acquire+0x62f/0x4c20
[  394.873537]  ? should_fail+0x22d/0xd01
[  394.876942] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.881121]  ? find_held_lock+0x36/0x1c0
[  394.887590] ksoftirqd/1 cpuset=/ mems_allowed=0
[  394.892691]  ? mark_held_locks+0x130/0x130
[  394.924005]  ? mark_held_locks+0x130/0x130
[  394.928251]  ? zap_class+0x640/0x640
[  394.931988]  ? zap_class+0x640/0x640
[  394.935707]  ? print_usage_bug+0xc0/0xc0
[  394.939766]  ? do_raw_spin_unlock+0xa7/0x330
[  394.944175]  ? zap_class+0x640/0x640
[  394.947896]  ? print_usage_bug+0xc0/0xc0
[  394.951959]  ? wq_watchdog_touch+0x9c/0xfe
[  394.956202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.961741]  ? check_preemption_disabled+0x48/0x280
[  394.966769]  ? __lock_is_held+0xb5/0x140
[  394.970837]  __alloc_pages_nodemask+0xa80/0xde0
[  394.975505]  ? zap_class+0x640/0x640
[  394.979229]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.984259]  ? find_held_lock+0x36/0x1c0
[  394.988377]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.993048]  ? lock_downgrade+0x900/0x900
[  394.997206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.002751]  cache_grow_begin+0xa5/0x8c0
[  395.006812]  ? do_raw_spin_unlock+0xa7/0x330
[  395.011228]  fallback_alloc+0x204/0x2e0
[  395.015256]  ____cache_alloc_node+0x1c7/0x1e0
[  395.019762]  kmem_cache_alloc_node+0xe3/0x730
[  395.024258]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.028546]  __alloc_skb+0x119/0x770
[  395.032262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.037546]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.041954]  ? lock_downgrade+0x900/0x900
[  395.046115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.051663]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.057118]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.062567]  ? addrconf_rs_timer+0x690/0x690
[  395.067023]  ndisc_alloc_skb+0x144/0x340
[  395.071093]  ndisc_send_rs+0x331/0x6e0
[  395.074989]  addrconf_rs_timer+0x314/0x690
[  395.079232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.083481]  call_timer_fn+0x272/0x920
[  395.087368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.091618]  ? process_timeout+0x40/0x40
[  395.095710]  ? mark_held_locks+0xc7/0x130
[  395.099873]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.104372]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.108867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.113113]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.117702]  ? trace_hardirqs_on+0xbd/0x310
[  395.122026]  ? kasan_check_read+0x11/0x20
[  395.126171]  ? __run_timers+0x7da/0xc70
[  395.130148]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.135257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.139498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.143731]  __run_timers+0x7e5/0xc70
[  395.147553]  ? timer_fixup_init+0x70/0x70
[  395.151707]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  395.156725]  ? zap_class+0x640/0x640
[  395.160462]  ? print_usage_bug+0xc0/0xc0
[  395.164528]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  395.169726]  ? find_held_lock+0x36/0x1c0
[  395.173796]  ? zap_class+0x640/0x640
[  395.177517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.183054]  ? check_preemption_disabled+0x48/0x280
[  395.188087]  ? __lock_is_held+0xb5/0x140
[  395.192153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.197691]  ? check_preemption_disabled+0x48/0x280
[  395.202715]  run_timer_softirq+0x52/0xb0
[  395.206778]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.211801]  __do_softirq+0x308/0xb7e
[  395.215610]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  395.220113]  ? lock_downgrade+0x900/0x900
[  395.224265]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.229380]  ? pvclock_read_flags+0x160/0x160
[  395.233889]  ? lapic_next_event+0x5a/0x90
[  395.238044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.243590]  ? kvm_clock_read+0x18/0x30
[  395.247574]  ? kvm_sched_clock_read+0x9/0x20
[  395.251991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.257529]  ? check_preemption_disabled+0x48/0x280
[  395.262557]  irq_exit+0x17f/0x1c0
[  395.266012]  smp_apic_timer_interrupt+0x1cb/0x760
[  395.270854]  ? smp_reschedule_interrupt+0x109/0x650
[  395.275875]  ? smp_call_function_single_interrupt+0x650/0x650
[  395.281766]  ? interrupt_entry+0xb5/0xc0
[  395.285834]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.290849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.295873]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.300725]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.305743]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.310761]  ? task_prio+0x50/0x50
[  395.314307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.319847]  ? check_preemption_disabled+0x48/0x280
[  395.324871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.329734]  apic_timer_interrupt+0xf/0x20
[  395.333962]  </IRQ>
[  395.336201] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  395.341394] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  395.360292] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  395.367999] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  395.375265] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  395.382533] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  395.389805] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  395.397075] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  395.404375]  retint_kernel+0x1b/0x2d
[  395.408095] RIP: 0010:dump_stack+0x358/0x39d
[  395.412501] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  395.431402] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  395.439108] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  395.446375] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  395.453649] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  395.460916] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  395.468183] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  395.475474]  ? dump_stack+0x34f/0x39d
[  395.479292]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.484490]  ? mark_held_locks+0x130/0x130
[  395.488727]  ? mark_held_locks+0x130/0x130
[  395.492967]  dump_header+0x27b/0xf72
[  395.496694]  ? pagefault_out_of_memory+0x197/0x197
[  395.501644]  ? __lock_acquire+0x62f/0x4c20
[  395.505890]  ? percpu_ref_get_many+0x240/0x240
[  395.510482]  ? print_usage_bug+0xc0/0xc0
[  395.514557]  ? zap_class+0x640/0x640
[  395.518276]  ? print_usage_bug+0xc0/0xc0
[  395.522350]  ? print_usage_bug+0xc0/0xc0
[  395.526412]  ? zap_class+0x640/0x640
[  395.530130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.535671]  ? find_held_lock+0x36/0x1c0
[  395.539747]  ? mark_held_locks+0xc7/0x130
[  395.543906]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  395.549006]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  395.554114]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.558703]  ? trace_hardirqs_on+0xbd/0x310
[  395.563028]  ? kasan_check_read+0x11/0x20
[  395.567174]  ? ___ratelimit+0x3b4/0x672
[  395.571149]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.576254]  ? trace_hardirqs_on+0x310/0x310
[  395.580662]  ? lock_downgrade+0x900/0x900
[  395.584822]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  395.589928]  ? ___ratelimit+0x3b9/0x672
[  395.593910]  ? idr_get_free+0xf70/0xf70
[  395.597889]  ? find_held_lock+0x36/0x1c0
[  395.601960]  oom_kill_process.cold.27+0x10/0x903
[  395.606724]  ? zap_class+0x640/0x640
[  395.610439]  ? check_preemption_disabled+0x48/0x280
[  395.615460]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  395.620392]  ? kasan_check_read+0x11/0x20
[  395.624543]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.629823]  ? oom_evaluate_task+0x540/0x540
[  395.634242]  ? find_held_lock+0x36/0x1c0
[  395.638310]  ? out_of_memory+0x974/0x1430
[  395.642465]  ? lock_downgrade+0x900/0x900
[  395.646614]  ? check_preemption_disabled+0x48/0x280
[  395.651653]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  395.656583]  ? kasan_check_read+0x11/0x20
[  395.660734]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.666011]  ? rcu_softirq_qs+0x20/0x20
[  395.669991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.675525]  ? oom_evaluate_task+0x302/0x540
[  395.679940]  out_of_memory+0xa84/0x1430
[  395.683926]  ? oom_killer_disable+0x3a0/0x3a0
[  395.688429]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  395.693367]  ? __ww_mutex_check_waiters+0x160/0x160
[  395.698395]  __alloc_pages_slowpath+0x2354/0x2e10
[  395.703269]  ? warn_alloc+0x120/0x120
[  395.707069]  ? mark_held_locks+0x130/0x130
[  395.711310]  ? find_get_entry+0xaae/0x1120
[  395.715555]  ? filemap_map_pages+0x1a20/0x1a20
[  395.720142]  ? zap_class+0x640/0x640
[  395.723865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.729410]  ? check_preemption_disabled+0x48/0x280
[  395.734430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.739966]  ? should_fail+0x22d/0xd01
[  395.743862]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.748970]  ? zap_class+0x640/0x640
[  395.752714]  ? __lock_is_held+0xb5/0x140
[  395.756790]  ? mark_held_locks+0x130/0x130
[  395.761029]  ? lock_release+0xa00/0xa00
[  395.765005]  ? perf_trace_sched_process_exec+0x860/0x860
[  395.770459]  ? xa_load+0x2ba/0x460
[  395.774009]  ? lock_downgrade+0x900/0x900
[  395.778163]  ? __might_sleep+0x95/0x190
[  395.782146]  __alloc_pages_nodemask+0xa80/0xde0
[  395.786824]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  395.791843]  ? __page_cache_alloc+0x191/0x5c0
[  395.796337]  ? xa_load+0x2e1/0x460
[  395.799880]  ? xa_clear_mark+0x40/0x40
[  395.803779]  ? zap_class+0x640/0x640
[  395.807506]  ? zap_class+0x640/0x640
[  395.811221]  ? zap_class+0x640/0x640
[  395.814934]  ? __do_page_cache_readahead+0x663/0x810
[  395.820049]  ? find_held_lock+0x36/0x1c0
[  395.824132]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  395.829675]  alloc_pages_current+0x173/0x350
[  395.834090]  __page_cache_alloc+0x38c/0x5c0
[  395.838414]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  395.843342]  ? kasan_check_read+0x11/0x20
[  395.847492]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.852771]  ? generic_perform_write+0x6a0/0x6a0
[  395.857528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.863070]  ? check_preemption_disabled+0x48/0x280
[  395.868097]  filemap_fault+0x1595/0x25f0
[  395.872178]  ? __lock_page_or_retry+0xa00/0xa00
[  395.876854]  ? mark_held_locks+0x130/0x130
[  395.881105]  ? filemap_map_pages+0xd6b/0x1a20
[  395.885606]  ? lock_downgrade+0x900/0x900
[  395.889781]  ? check_preemption_disabled+0x48/0x280
[  395.894802]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  395.899734]  ? kasan_check_read+0x11/0x20
[  395.903888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.909166]  ? rcu_softirq_qs+0x20/0x20
[  395.913154]  ? filemap_map_pages+0xd92/0x1a20
[  395.917660]  ? __lock_acquire+0x62f/0x4c20
[  395.921908]  ? find_get_entries_tag+0x1400/0x1400
[  395.926787]  ? lock_acquire+0x1ed/0x520
[  395.930761]  ? ext4_filemap_fault+0x7a/0xad
[  395.935092]  ? lock_release+0xa00/0xa00
[  395.939070]  ? perf_trace_sched_process_exec+0x860/0x860
[  395.944522]  ? print_usage_bug+0xc0/0xc0
[  395.948586]  ? print_usage_bug+0xc0/0xc0
[  395.952670]  ? down_read+0x8d/0x120
[  395.956299]  ? ext4_filemap_fault+0x7a/0xad
[  395.960638]  ? __down_interruptible+0x700/0x700
[  395.965322]  ext4_filemap_fault+0x82/0xad
[  395.969472]  __do_fault+0x100/0x6b0
[  395.973104]  ? pmd_devmap_trans_unstable+0x220/0x220
[  395.978255]  ? mark_held_locks+0x130/0x130
[  395.982495]  ? mark_held_locks+0x130/0x130
[  395.986756]  ? __might_fault+0x12b/0x1e0
[  395.990826]  ? lock_downgrade+0x900/0x900
[  395.994985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.000530]  __handle_mm_fault+0x3ea0/0x5be0
[  396.004947]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  396.009803]  ? kasan_check_read+0x11/0x20
[  396.013954]  ? _copy_to_user+0xc8/0x110
[  396.017935]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.023483]  ? zap_class+0x640/0x640
[  396.027195]  ? zap_class+0x640/0x640
[  396.030920]  ? find_held_lock+0x36/0x1c0
[  396.034992]  ? handle_mm_fault+0x42a/0xc70
[  396.039229]  ? lock_downgrade+0x900/0x900
[  396.043376]  ? check_preemption_disabled+0x48/0x280
[  396.048396]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.053327]  ? kasan_check_read+0x11/0x20
[  396.057471]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.062744]  ? rcu_softirq_qs+0x20/0x20
[  396.066724]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.071842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.077380]  ? check_preemption_disabled+0x48/0x280
[  396.082410]  handle_mm_fault+0x54f/0xc70
[  396.086481]  ? __handle_mm_fault+0x5be0/0x5be0
[  396.091077]  ? find_vma+0x34/0x190
[  396.094636]  __do_page_fault+0x5e8/0xe60
[  396.098703]  ? trace_hardirqs_off+0xb8/0x310
[  396.103128]  do_page_fault+0xf2/0x7e0
[  396.106929]  ? vmalloc_sync_all+0x30/0x30
[  396.111081]  ? error_entry+0x70/0xd0
[  396.114798]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.119813]  ? trace_hardirqs_on_caller+0xc0/0x310
[  396.124750]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.129681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.134525]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.139540]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  396.144995]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  396.150014]  ? prepare_exit_to_usermode+0x291/0x3b0
[  396.155030]  ? page_fault+0x8/0x30
[  396.158575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.163424]  ? page_fault+0x8/0x30
[  396.166968]  page_fault+0x1e/0x30
[  396.170426] RIP: 0033:0x4375fe
[  396.173639] Code: Bad RIP value.
[  396.176999] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  396.182358] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  396.189637] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  396.196907] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  396.204178] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  396.211445] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  396.218738] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  396.218803] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  396.225668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.225673] Call Trace:
[  396.225693]  dump_stack+0x244/0x39d
[  396.225713]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.232296] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.241548]  warn_alloc.cold.116+0xb7/0x1bd
[  396.244099] syz-fuzzer cpuset=/ mems_allowed=0
[  396.247723]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.276817]  ? lock_downgrade+0x900/0x900
[  396.280980]  ? trace_hardirqs_off+0xb8/0x310
[  396.285414]  ? trace_hardirqs_off+0xb8/0x310
[  396.289851]  __alloc_pages_slowpath+0x26e8/0x2e10
[  396.294729]  ? warn_alloc+0x120/0x120
[  396.298534]  ? print_usage_bug+0xc0/0xc0
[  396.302596]  ? warn_alloc+0x120/0x120
[  396.306417]  ? warn_alloc+0x120/0x120
[  396.310220]  ? print_usage_bug+0xc0/0xc0
[  396.314316]  ? print_usage_bug+0xc0/0xc0
[  396.318387]  ? __lock_acquire+0x62f/0x4c20
[  396.322639]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.328190]  ? should_fail+0x22d/0xd01
[  396.332085]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.337206]  ? __lock_acquire+0x62f/0x4c20
[  396.341488]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.346588]  ? __lock_acquire+0x62f/0x4c20
[  396.350827]  ? should_fail+0x22d/0xd01
[  396.354720]  ? find_held_lock+0x36/0x1c0
[  396.358795]  ? mark_held_locks+0x130/0x130
[  396.363040]  ? mark_held_locks+0x130/0x130
[  396.367275]  ? zap_class+0x640/0x640
[  396.370989]  ? zap_class+0x640/0x640
[  396.374734]  ? print_usage_bug+0xc0/0xc0
[  396.378796]  ? do_raw_spin_unlock+0xa7/0x330
[  396.383209]  ? zap_class+0x640/0x640
[  396.386927]  ? print_usage_bug+0xc0/0xc0
[  396.390987]  ? wq_watchdog_touch+0x9c/0xfe
[  396.395229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.400773]  ? check_preemption_disabled+0x48/0x280
[  396.405802]  ? __lock_is_held+0xb5/0x140
[  396.409871]  __alloc_pages_nodemask+0xa80/0xde0
[  396.414544]  ? zap_class+0x640/0x640
[  396.418264]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.423291]  ? find_held_lock+0x36/0x1c0
[  396.427365]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.432041]  ? lock_downgrade+0x900/0x900
[  396.436199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.441747]  cache_grow_begin+0xa5/0x8c0
[  396.445812]  ? do_raw_spin_unlock+0xa7/0x330
[  396.450235]  fallback_alloc+0x204/0x2e0
[  396.454220]  ____cache_alloc_node+0x1c7/0x1e0
[  396.458724]  kmem_cache_alloc_node+0xe3/0x730
[  396.463220]  ? ipv6_get_ifaddr+0x42e/0x620
[  396.467477]  __alloc_skb+0x119/0x770
[  396.471208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.476491]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.480903]  ? lock_downgrade+0x900/0x900
[  396.485059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.490596]  ? refcount_sub_and_test_checked+0x203/0x310
[  396.496060]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  396.501512]  ? addrconf_rs_timer+0x690/0x690
[  396.505934]  ndisc_alloc_skb+0x144/0x340
[  396.510007]  ndisc_send_rs+0x331/0x6e0
[  396.513900]  addrconf_rs_timer+0x314/0x690
[  396.518143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.522396]  call_timer_fn+0x272/0x920
[  396.526286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.530526]  ? process_timeout+0x40/0x40
[  396.534605]  ? __run_timers+0x7da/0xc70
[  396.538602]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.543104]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.547596]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.552077]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.556668]  ? trace_hardirqs_on+0xbd/0x310
[  396.560995]  ? kasan_check_read+0x11/0x20
[  396.565145]  ? __run_timers+0x7da/0xc70
[  396.569121]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.574233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.578473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.582709]  __run_timers+0x7e5/0xc70
[  396.586527]  ? timer_fixup_init+0x70/0x70
[  396.590714]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.595211]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.599711]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.604299]  ? trace_hardirqs_on+0xbd/0x310
[  396.608630]  ? kasan_check_read+0x11/0x20
[  396.612784]  ? finish_task_switch+0x1f4/0x910
[  396.617281]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.622394]  ? compat_start_thread+0x80/0x80
[  396.626832]  ? pvclock_read_flags+0x160/0x160
[  396.631325]  ? __switch_to_asm+0x34/0x70
[  396.635420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.640976]  ? check_preemption_disabled+0x48/0x280
[  396.646005]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  396.651551]  ? rcu_pm_notify+0xc0/0xc0
[  396.655471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.661009]  ? check_preemption_disabled+0x48/0x280
[  396.666038]  run_timer_softirq+0x52/0xb0
[  396.670105]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.675126]  __do_softirq+0x308/0xb7e
[  396.678937]  ? trace_hardirqs_on_caller+0xc0/0x310
[  396.684323]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.689425]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  396.694895]  ? schedule+0x108/0x460
[  396.698521]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  396.703285]  ? trace_hardirqs_off+0xb8/0x310
[  396.707715]  ? smpboot_thread_fn+0x68b/0xa00
[  396.712130]  ? trace_hardirqs_on+0x310/0x310
[  396.716543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.722085]  ? check_preemption_disabled+0x48/0x280
[  396.727103]  ? takeover_tasklets+0xa90/0xa90
[  396.731517]  run_ksoftirqd+0x5e/0x100
[  396.735322]  smpboot_thread_fn+0x68b/0xa00
[  396.739562]  ? sort_range+0x30/0x30
[  396.743193]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  396.748297]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.753837]  ? __kthread_parkme+0xfb/0x1a0
[  396.758078]  ? sort_range+0x30/0x30
[  396.761713]  kthread+0x35a/0x440
[  396.765079]  ? kthread_stop+0x900/0x900
[  396.769058]  ret_from_fork+0x3a/0x50
[  396.772797] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  396.772802] warn_alloc_show_mem: 1 callbacks suppressed
[  396.772810] Mem-Info:
[  396.779816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.779828] Call Trace:
[  396.785200] active_anon:56065 inactive_anon:190 isolated_anon:0
[  396.785200]  active_file:11 inactive_file:12 isolated_file:0
[  396.785200]  unevictable:0 dirty:0 writeback:0 unstable:0
[  396.785200]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  396.785200]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  396.785200]  free:13773 free_pcp:518 free_cma:0
[  396.787572]  <IRQ>
[  396.796935] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  396.799514]  dump_stack+0x244/0x39d
[  396.832365] 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
[  396.834511]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.861980] lowmem_reserve[]: 0 2818 6321 6321
[  396.865636]  warn_alloc.cold.116+0xb7/0x1bd
[  396.891711] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  396.896899]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.901449] lowmem_reserve[]: 0 0 3503 3503
[  396.905771]  ? lock_downgrade+0x900/0x900
[  396.933241] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  396.938081]  ? trace_hardirqs_off+0xb8/0x310
[  396.942376] lowmem_reserve[]: 0 0 0 0
[  396.946522]  ? trace_hardirqs_off+0xb8/0x310
[  396.975471] 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
[  396.979878]  __alloc_pages_slowpath+0x26e8/0x2e10
[  396.983654] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  396.988082]  ? warn_alloc+0x120/0x120
[  397.001554] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  397.006420]  ? print_usage_bug+0xc0/0xc0
[  397.021569] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  397.025355]  ? warn_alloc+0x120/0x120
[  397.040250] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  397.044299]  ? warn_alloc+0x120/0x120
[  397.053109] 266 total pagecache pages
[  397.056907]  ? print_usage_bug+0xc0/0xc0
[  397.065461] 0 pages in swap cache
[  397.069250]  ? print_usage_bug+0xc0/0xc0
[  397.073028] Swap cache stats: add 0, delete 0, find 0/0
[  397.077076]  ? __lock_acquire+0x62f/0x4c20
[  397.080508] Free swap  = 0kB
[  397.084563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.089902] Total swap = 0kB
[  397.094134]  ? should_fail+0x22d/0xd01
[  397.097131] 1965979 pages RAM
[  397.102659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.105654] 0 pages HighMem/MovableOnly
[  397.109539]  ? __lock_acquire+0x62f/0x4c20
[  397.112619] 342854 pages reserved
[  397.117722]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.121670] 0 pages cma reserved
[  397.125899]  ? __lock_acquire+0x62f/0x4c20
[  397.129398] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.134415]  ? should_fail+0x22d/0xd01
[  397.134430]  ? find_held_lock+0x36/0x1c0
[  397.134452]  ? mark_held_locks+0x130/0x130
[  397.137852] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.142024]  ? mark_held_locks+0x130/0x130
[  397.148490] ksoftirqd/1 cpuset=/ mems_allowed=0
[  397.152381]  ? zap_class+0x640/0x640
[  397.183513]  ? zap_class+0x640/0x640
[  397.187233]  ? print_usage_bug+0xc0/0xc0
[  397.191296]  ? do_raw_spin_unlock+0xa7/0x330
[  397.195710]  ? zap_class+0x640/0x640
[  397.199424]  ? print_usage_bug+0xc0/0xc0
[  397.203487]  ? wq_watchdog_touch+0x9c/0xfe
[  397.207732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.213277]  ? check_preemption_disabled+0x48/0x280
[  397.218309]  ? __lock_is_held+0xb5/0x140
[  397.222382]  __alloc_pages_nodemask+0xa80/0xde0
[  397.227051]  ? zap_class+0x640/0x640
[  397.230771]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  397.235806]  ? find_held_lock+0x36/0x1c0
[  397.239880]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.244557]  ? lock_downgrade+0x900/0x900
[  397.248713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.254256]  cache_grow_begin+0xa5/0x8c0
[  397.258318]  ? do_raw_spin_unlock+0xa7/0x330
[  397.262735]  fallback_alloc+0x204/0x2e0
[  397.266718]  ____cache_alloc_node+0x1c7/0x1e0
[  397.271221]  kmem_cache_alloc_node+0xe3/0x730
[  397.275721]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.279967]  __alloc_skb+0x119/0x770
[  397.283682]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.288963]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.293374]  ? lock_downgrade+0x900/0x900
[  397.297533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.303070]  ? refcount_sub_and_test_checked+0x203/0x310
[  397.308529]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  397.313983]  ? addrconf_rs_timer+0x690/0x690
[  397.318408]  ndisc_alloc_skb+0x144/0x340
[  397.322479]  ndisc_send_rs+0x331/0x6e0
[  397.326372]  addrconf_rs_timer+0x314/0x690
[  397.330615]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.334889]  call_timer_fn+0x272/0x920
[  397.338779]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.343106]  ? process_timeout+0x40/0x40
[  397.347182]  ? mark_held_locks+0xc7/0x130
[  397.351333]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.355833]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.360331]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.364569]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.369157]  ? trace_hardirqs_on+0xbd/0x310
[  397.373482]  ? kasan_check_read+0x11/0x20
[  397.377717]  ? __run_timers+0x7da/0xc70
[  397.381696]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.386812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.391054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.395295]  __run_timers+0x7e5/0xc70
[  397.399109]  ? timer_fixup_init+0x70/0x70
[  397.403261]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  397.408280]  ? zap_class+0x640/0x640
[  397.412002]  ? print_usage_bug+0xc0/0xc0
[  397.416070]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  397.421266]  ? find_held_lock+0x36/0x1c0
[  397.425336]  ? zap_class+0x640/0x640
[  397.429060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.434600]  ? check_preemption_disabled+0x48/0x280
[  397.439646]  ? __lock_is_held+0xb5/0x140
[  397.443713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.449255]  ? check_preemption_disabled+0x48/0x280
[  397.454280]  run_timer_softirq+0x52/0xb0
[  397.458347]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.463365]  __do_softirq+0x308/0xb7e
[  397.467170]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  397.471664]  ? lock_downgrade+0x900/0x900
[  397.475824]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.480937]  ? pvclock_read_flags+0x160/0x160
[  397.485440]  ? lapic_next_event+0x5a/0x90
[  397.489590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.495142]  ? kvm_clock_read+0x18/0x30
[  397.499117]  ? kvm_sched_clock_read+0x9/0x20
[  397.503530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.509070]  ? check_preemption_disabled+0x48/0x280
[  397.514119]  irq_exit+0x17f/0x1c0
[  397.517595]  smp_apic_timer_interrupt+0x1cb/0x760
[  397.522454]  ? smp_reschedule_interrupt+0x109/0x650
[  397.527475]  ? smp_call_function_single_interrupt+0x650/0x650
[  397.533367]  ? interrupt_entry+0xb5/0xc0
[  397.537447]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.542468]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.547488]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.552337]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.557359]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.562380]  ? task_prio+0x50/0x50
[  397.565925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.571466]  ? check_preemption_disabled+0x48/0x280
[  397.576491]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.581342]  apic_timer_interrupt+0xf/0x20
[  397.585576]  </IRQ>
[  397.587845] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  397.593036] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  397.611939] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  397.619654] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  397.626924] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  397.634190] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  397.641460] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  397.648730] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  397.656031]  retint_kernel+0x1b/0x2d
[  397.659752] RIP: 0010:dump_stack+0x358/0x39d
[  397.664164] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  397.683066] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  397.690861] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  397.698136] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  397.705406] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  397.712676] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  397.719947] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  397.727239]  ? dump_stack+0x34f/0x39d
[  397.731075]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.736269]  ? mark_held_locks+0x130/0x130
[  397.740509]  ? mark_held_locks+0x130/0x130
[  397.744749]  dump_header+0x27b/0xf72
[  397.748480]  ? pagefault_out_of_memory+0x197/0x197
[  397.753421]  ? __lock_acquire+0x62f/0x4c20
[  397.757664]  ? percpu_ref_get_many+0x240/0x240
[  397.762253]  ? print_usage_bug+0xc0/0xc0
[  397.766327]  ? zap_class+0x640/0x640
[  397.770048]  ? print_usage_bug+0xc0/0xc0
[  397.774108]  ? print_usage_bug+0xc0/0xc0
[  397.778171]  ? zap_class+0x640/0x640
[  397.781903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.787450]  ? find_held_lock+0x36/0x1c0
[  397.791529]  ? mark_held_locks+0xc7/0x130
[  397.795685]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  397.800789]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  397.805899]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.810491]  ? trace_hardirqs_on+0xbd/0x310
[  397.814812]  ? kasan_check_read+0x11/0x20
[  397.818959]  ? ___ratelimit+0x3b4/0x672
[  397.822936]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.828045]  ? trace_hardirqs_on+0x310/0x310
[  397.832460]  ? lock_downgrade+0x900/0x900
[  397.836613]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  397.841730]  ? ___ratelimit+0x3b9/0x672
[  397.845706]  ? idr_get_free+0xf70/0xf70
[  397.849683]  ? find_held_lock+0x36/0x1c0
[  397.853753]  oom_kill_process.cold.27+0x10/0x903
[  397.858513]  ? zap_class+0x640/0x640
[  397.862228]  ? check_preemption_disabled+0x48/0x280
[  397.867247]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.872177]  ? kasan_check_read+0x11/0x20
[  397.876329]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.881609]  ? oom_evaluate_task+0x540/0x540
[  397.886030]  ? find_held_lock+0x36/0x1c0
[  397.890101]  ? out_of_memory+0x974/0x1430
[  397.894255]  ? lock_downgrade+0x900/0x900
[  397.898405]  ? check_preemption_disabled+0x48/0x280
[  397.903425]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.908359]  ? kasan_check_read+0x11/0x20
[  397.912508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.917790]  ? rcu_softirq_qs+0x20/0x20
[  397.921771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.927309]  ? oom_evaluate_task+0x302/0x540
[  397.931725]  out_of_memory+0xa84/0x1430
[  397.935709]  ? oom_killer_disable+0x3a0/0x3a0
[  397.940208]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  397.945142]  ? __ww_mutex_check_waiters+0x160/0x160
[  397.950176]  __alloc_pages_slowpath+0x2354/0x2e10
[  397.955049]  ? warn_alloc+0x120/0x120
[  397.958852]  ? mark_held_locks+0x130/0x130
[  397.963096]  ? find_get_entry+0xaae/0x1120
[  397.967348]  ? filemap_map_pages+0x1a20/0x1a20
[  397.971942]  ? zap_class+0x640/0x640
[  397.975668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.981209]  ? check_preemption_disabled+0x48/0x280
[  397.986225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.991764]  ? should_fail+0x22d/0xd01
[  397.995661]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.000769]  ? zap_class+0x640/0x640
[  398.004531]  ? __lock_is_held+0xb5/0x140
[  398.008607]  ? mark_held_locks+0x130/0x130
[  398.012857]  ? lock_release+0xa00/0xa00
[  398.016841]  ? perf_trace_sched_process_exec+0x860/0x860
[  398.022297]  ? xa_load+0x2ba/0x460
[  398.025839]  ? lock_downgrade+0x900/0x900
[  398.029996]  ? __might_sleep+0x95/0x190
[  398.033977]  __alloc_pages_nodemask+0xa80/0xde0
[  398.038666]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.043686]  ? __page_cache_alloc+0x191/0x5c0
[  398.048181]  ? xa_load+0x2e1/0x460
[  398.051728]  ? xa_clear_mark+0x40/0x40
[  398.055620]  ? zap_class+0x640/0x640
[  398.059357]  ? zap_class+0x640/0x640
[  398.063073]  ? zap_class+0x640/0x640
[  398.066788]  ? __do_page_cache_readahead+0x663/0x810
[  398.071907]  ? find_held_lock+0x36/0x1c0
[  398.075975]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  398.081522]  alloc_pages_current+0x173/0x350
[  398.085940]  __page_cache_alloc+0x38c/0x5c0
[  398.090262]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.095192]  ? kasan_check_read+0x11/0x20
[  398.099340]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.104633]  ? generic_perform_write+0x6a0/0x6a0
[  398.109392]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.114931]  ? check_preemption_disabled+0x48/0x280
[  398.119955]  filemap_fault+0x1595/0x25f0
[  398.124030]  ? __lock_page_or_retry+0xa00/0xa00
[  398.128704]  ? mark_held_locks+0x130/0x130
[  398.132953]  ? filemap_map_pages+0xd6b/0x1a20
[  398.137464]  ? lock_downgrade+0x900/0x900
[  398.141614]  ? check_preemption_disabled+0x48/0x280
[  398.146650]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.151579]  ? kasan_check_read+0x11/0x20
[  398.155726]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.161003]  ? rcu_softirq_qs+0x20/0x20
[  398.165020]  ? filemap_map_pages+0xd92/0x1a20
[  398.169522]  ? __lock_acquire+0x62f/0x4c20
[  398.173769]  ? find_get_entries_tag+0x1400/0x1400
[  398.178646]  ? lock_acquire+0x1ed/0x520
[  398.182634]  ? ext4_filemap_fault+0x7a/0xad
[  398.186965]  ? lock_release+0xa00/0xa00
[  398.190944]  ? perf_trace_sched_process_exec+0x860/0x860
[  398.196395]  ? print_usage_bug+0xc0/0xc0
[  398.200459]  ? print_usage_bug+0xc0/0xc0
[  398.204534]  ? down_read+0x8d/0x120
[  398.208158]  ? ext4_filemap_fault+0x7a/0xad
[  398.212484]  ? __down_interruptible+0x700/0x700
[  398.217177]  ext4_filemap_fault+0x82/0xad
[  398.221334]  __do_fault+0x100/0x6b0
[  398.224967]  ? pmd_devmap_trans_unstable+0x220/0x220
[  398.230077]  ? mark_held_locks+0x130/0x130
[  398.234318]  ? mark_held_locks+0x130/0x130
[  398.238553]  ? __might_fault+0x12b/0x1e0
[  398.242614]  ? lock_downgrade+0x900/0x900
[  398.246779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.252327]  __handle_mm_fault+0x3ea0/0x5be0
[  398.256752]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  398.261600]  ? kasan_check_read+0x11/0x20
[  398.265756]  ? _copy_to_user+0xc8/0x110
[  398.269739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.275290]  ? zap_class+0x640/0x640
[  398.279006]  ? zap_class+0x640/0x640
[  398.282727]  ? find_held_lock+0x36/0x1c0
[  398.286799]  ? handle_mm_fault+0x42a/0xc70
[  398.291038]  ? lock_downgrade+0x900/0x900
[  398.295187]  ? check_preemption_disabled+0x48/0x280
[  398.300214]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.305143]  ? kasan_check_read+0x11/0x20
[  398.309290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.314567]  ? rcu_softirq_qs+0x20/0x20
[  398.318540]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.323654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.329198]  ? check_preemption_disabled+0x48/0x280
[  398.334226]  handle_mm_fault+0x54f/0xc70
[  398.338291]  ? __handle_mm_fault+0x5be0/0x5be0
[  398.342881]  ? find_vma+0x34/0x190
[  398.346435]  __do_page_fault+0x5e8/0xe60
[  398.350513]  ? trace_hardirqs_off+0xb8/0x310
[  398.354939]  do_page_fault+0xf2/0x7e0
[  398.358741]  ? vmalloc_sync_all+0x30/0x30
[  398.362903]  ? error_entry+0x70/0xd0
[  398.366630]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.371658]  ? trace_hardirqs_on_caller+0xc0/0x310
[  398.376586]  ? syscall_return_slowpath+0x5e0/0x5e0
[  398.381515]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.386359]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.391377]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  398.396829]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  398.401848]  ? prepare_exit_to_usermode+0x291/0x3b0
[  398.406865]  ? page_fault+0x8/0x30
[  398.410416]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.415264]  ? page_fault+0x8/0x30
[  398.418814]  page_fault+0x1e/0x30
[  398.422269] RIP: 0033:0x4375fe
[  398.425471] Code: Bad RIP value.
[  398.428835] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  398.434194] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  398.441462] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  398.448728] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  398.455996] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  398.463261] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  398.470559] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  398.470634] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.477486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.477492] Call Trace:
[  398.477512]  dump_stack+0x244/0x39d
[  398.477533]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.484097] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.493370]  warn_alloc.cold.116+0xb7/0x1bd
[  398.495920] syz-fuzzer cpuset=/ mems_allowed=0
[  398.499544]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.528631]  ? lock_downgrade+0x900/0x900
[  398.532792]  ? trace_hardirqs_off+0xb8/0x310
[  398.537207]  ? trace_hardirqs_off+0xb8/0x310
[  398.541633]  __alloc_pages_slowpath+0x26e8/0x2e10
[  398.546510]  ? warn_alloc+0x120/0x120
[  398.550498]  ? print_usage_bug+0xc0/0xc0
[  398.554567]  ? warn_alloc+0x120/0x120
[  398.558373]  ? warn_alloc+0x120/0x120
[  398.562186]  ? print_usage_bug+0xc0/0xc0
[  398.566257]  ? print_usage_bug+0xc0/0xc0
[  398.570323]  ? __lock_acquire+0x62f/0x4c20
[  398.574572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.580111]  ? should_fail+0x22d/0xd01
[  398.584004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.589113]  ? __lock_acquire+0x62f/0x4c20
[  398.593355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.598470]  ? __lock_acquire+0x62f/0x4c20
[  398.602704]  ? should_fail+0x22d/0xd01
[  398.606591]  ? find_held_lock+0x36/0x1c0
[  398.610674]  ? mark_held_locks+0x130/0x130
[  398.614918]  ? mark_held_locks+0x130/0x130
[  398.619153]  ? zap_class+0x640/0x640
[  398.622873]  ? zap_class+0x640/0x640
[  398.626597]  ? print_usage_bug+0xc0/0xc0
[  398.630669]  ? do_raw_spin_unlock+0xa7/0x330
[  398.635080]  ? zap_class+0x640/0x640
[  398.638794]  ? print_usage_bug+0xc0/0xc0
[  398.642857]  ? wq_watchdog_touch+0x9c/0xfe
[  398.647102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.652651]  ? check_preemption_disabled+0x48/0x280
[  398.657684]  ? __lock_is_held+0xb5/0x140
[  398.661756]  __alloc_pages_nodemask+0xa80/0xde0
[  398.666432]  ? zap_class+0x640/0x640
[  398.670155]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.675184]  ? find_held_lock+0x36/0x1c0
[  398.679257]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.684414]  ? lock_downgrade+0x900/0x900
[  398.688571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.694113]  cache_grow_begin+0xa5/0x8c0
[  398.698177]  ? do_raw_spin_unlock+0xa7/0x330
[  398.702594]  fallback_alloc+0x204/0x2e0
[  398.706584]  ____cache_alloc_node+0x1c7/0x1e0
[  398.711091]  kmem_cache_alloc_node+0xe3/0x730
[  398.715593]  ? ipv6_get_ifaddr+0x42e/0x620
[  398.719846]  __alloc_skb+0x119/0x770
[  398.723562]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.728847]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.733262]  ? lock_downgrade+0x900/0x900
[  398.737428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.742970]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.748425]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.753880]  ? addrconf_rs_timer+0x690/0x690
[  398.758305]  ndisc_alloc_skb+0x144/0x340
[  398.762371]  ndisc_send_rs+0x331/0x6e0
[  398.766275]  addrconf_rs_timer+0x314/0x690
[  398.770520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.774772]  call_timer_fn+0x272/0x920
[  398.778659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.782900]  ? process_timeout+0x40/0x40
[  398.786976]  ? __run_timers+0x7da/0xc70
[  398.790952]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.795448]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.799947]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.804186]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.808775]  ? trace_hardirqs_on+0xbd/0x310
[  398.813098]  ? kasan_check_read+0x11/0x20
[  398.817247]  ? __run_timers+0x7da/0xc70
[  398.821228]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.826340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.830582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.834815]  __run_timers+0x7e5/0xc70
[  398.838634]  ? timer_fixup_init+0x70/0x70
[  398.842789]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.847282]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.851794]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.856378]  ? trace_hardirqs_on+0xbd/0x310
[  398.860705]  ? kasan_check_read+0x11/0x20
[  398.864856]  ? finish_task_switch+0x1f4/0x910
[  398.869357]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.874465]  ? compat_start_thread+0x80/0x80
[  398.878920]  ? pvclock_read_flags+0x160/0x160
[  398.883415]  ? __switch_to_asm+0x34/0x70
[  398.887482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.893026]  ? check_preemption_disabled+0x48/0x280
[  398.898059]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  398.903603]  ? rcu_pm_notify+0xc0/0xc0
[  398.907502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.913044]  ? check_preemption_disabled+0x48/0x280
[  398.918075]  run_timer_softirq+0x52/0xb0
[  398.922136]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.927155]  __do_softirq+0x308/0xb7e
[  398.930965]  ? trace_hardirqs_on_caller+0xc0/0x310
[  398.935919]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.941023]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  398.946485]  ? schedule+0x108/0x460
[  398.950117]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  398.954886]  ? trace_hardirqs_off+0xb8/0x310
[  398.959298]  ? smpboot_thread_fn+0x68b/0xa00
[  398.963710]  ? trace_hardirqs_on+0x310/0x310
[  398.968128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.973674]  ? check_preemption_disabled+0x48/0x280
[  398.978696]  ? takeover_tasklets+0xa90/0xa90
[  398.983108]  run_ksoftirqd+0x5e/0x100
[  398.986912]  smpboot_thread_fn+0x68b/0xa00
[  398.991153]  ? sort_range+0x30/0x30
[  398.994784]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  398.999892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.005441]  ? __kthread_parkme+0xfb/0x1a0
[  399.009681]  ? sort_range+0x30/0x30
[  399.013310]  kthread+0x35a/0x440
[  399.016678]  ? kthread_stop+0x900/0x900
[  399.020662]  ret_from_fork+0x3a/0x50
[  399.024416] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  399.024422] warn_alloc_show_mem: 1 callbacks suppressed
[  399.024429] Mem-Info:
[  399.031469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.036845] active_anon:56065 inactive_anon:190 isolated_anon:0
[  399.036845]  active_file:11 inactive_file:12 isolated_file:0
[  399.036845]  unevictable:0 dirty:0 writeback:0 unstable:0
[  399.036845]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  399.036845]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  399.036845]  free:13773 free_pcp:518 free_cma:0
[  399.039215] Call Trace:
[  399.048606] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  399.081448]  <IRQ>
[  399.084021] 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
[  399.111519]  dump_stack+0x244/0x39d
[  399.113647] lowmem_reserve[]: 0 2818 6321 6321
[  399.139757]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.143359] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  399.147947]  warn_alloc.cold.116+0xb7/0x1bd
[  399.153101] lowmem_reserve[]: 0 0 3503 3503
[  399.180597]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.184898] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  399.189217]  ? lock_downgrade+0x900/0x900
[  399.194023] lowmem_reserve[]: 0 0 0 0
[  399.223010]  ? trace_hardirqs_off+0xb8/0x310
[  399.227130] 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
[  399.230926]  ? trace_hardirqs_off+0xb8/0x310
[  399.235318] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  399.248839]  __alloc_pages_slowpath+0x26e8/0x2e10
[  399.253222] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  399.268413]  ? warn_alloc+0x120/0x120
[  399.273222] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  399.288119]  ? print_usage_bug+0xc0/0xc0
[  399.288135]  ? warn_alloc+0x120/0x120
[  399.291924] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  399.300746]  ? warn_alloc+0x120/0x120
[  399.304787] 266 total pagecache pages
[  399.308584]  ? print_usage_bug+0xc0/0xc0
[  399.317138] 0 pages in swap cache
[  399.320930]  ? kvm_clock_read+0x18/0x30
[  399.324708] Swap cache stats: add 0, delete 0, find 0/0
[  399.328763]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  399.332189] Free swap  = 0kB
[  399.336154]  ? print_usage_bug+0xc0/0xc0
[  399.341492] Total swap = 0kB
[  399.346505]  ? __lock_acquire+0x62f/0x4c20
[  399.349501] 1965979 pages RAM
[  399.353558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.356544] 0 pages HighMem/MovableOnly
[  399.356553] 342854 pages reserved
[  399.360786]  ? should_fail+0x22d/0xd01
[  399.363867] 0 pages cma reserved
[  399.369398]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.369417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.373457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  399.376815]  ? __lock_acquire+0x62f/0x4c20
[  399.380733] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.384036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.389288] ksoftirqd/1 cpuset=/ mems_allowed=0
[  399.394388]  ? __lock_acquire+0x62f/0x4c20
[  399.429337]  ? should_fail+0x22d/0xd01
[  399.433221]  ? rcu_irq_exit+0x1a2/0x390
[  399.437206]  ? mark_held_locks+0x130/0x130
[  399.441450]  ? mark_held_locks+0x130/0x130
[  399.445695]  ? mark_held_locks+0xc7/0x130
[  399.449844]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  399.454863]  ? zap_class+0x640/0x640
[  399.458585]  ? print_usage_bug+0xc0/0xc0
[  399.462661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.468204]  ? check_preemption_disabled+0x48/0x280
[  399.473233]  ? __lock_is_held+0xb5/0x140
[  399.477304]  __alloc_pages_nodemask+0xa80/0xde0
[  399.481976]  ? zap_class+0x640/0x640
[  399.485700]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  399.490731]  ? find_held_lock+0x36/0x1c0
[  399.494807]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.499480]  ? lock_downgrade+0x900/0x900
[  399.503645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.509190]  cache_grow_begin+0xa5/0x8c0
[  399.513255]  ? do_raw_spin_unlock+0xa7/0x330
[  399.517672]  fallback_alloc+0x204/0x2e0
[  399.521671]  ____cache_alloc_node+0x1c7/0x1e0
[  399.526179]  kmem_cache_alloc_node+0xe3/0x730
[  399.530676]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.534930]  __alloc_skb+0x119/0x770
[  399.538650]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.543937]  ? netdev_alloc_frag+0x1f0/0x1f0
[  399.548348]  ? lock_downgrade+0x900/0x900
[  399.552505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.558048]  ? refcount_sub_and_test_checked+0x203/0x310
[  399.563506]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  399.568956]  ? addrconf_rs_timer+0x690/0x690
[  399.573378]  ndisc_alloc_skb+0x144/0x340
[  399.577444]  ndisc_send_rs+0x331/0x6e0
[  399.581341]  addrconf_rs_timer+0x314/0x690
[  399.585584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.589830]  call_timer_fn+0x272/0x920
[  399.593723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.597962]  ? process_timeout+0x40/0x40
[  399.602040]  ? mark_held_locks+0xc7/0x130
[  399.606189]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.610683]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.615185]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.619421]  ? lockdep_hardirqs_on+0x296/0x5b0
[  399.624006]  ? trace_hardirqs_on+0xbd/0x310
[  399.628328]  ? kasan_check_read+0x11/0x20
[  399.632478]  ? __run_timers+0x7da/0xc70
[  399.636453]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.641561]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.645804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.650039]  __run_timers+0x7e5/0xc70
[  399.653856]  ? timer_fixup_init+0x70/0x70
[  399.658188]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  399.663209]  ? zap_class+0x640/0x640
[  399.666928]  ? print_usage_bug+0xc0/0xc0
[  399.670993]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  399.676196]  ? find_held_lock+0x36/0x1c0
[  399.680262]  ? zap_class+0x640/0x640
[  399.683991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.689537]  ? check_preemption_disabled+0x48/0x280
[  399.694564]  ? __lock_is_held+0xb5/0x140
[  399.698639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.704180]  ? check_preemption_disabled+0x48/0x280
[  399.709205]  run_timer_softirq+0x52/0xb0
[  399.713266]  ? rcu_read_lock_sched_held+0x14f/0x180
[  399.718283]  __do_softirq+0x308/0xb7e
[  399.722088]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  399.726582]  ? lock_downgrade+0x900/0x900
[  399.730741]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  399.735855]  ? pvclock_read_flags+0x160/0x160
[  399.740359]  ? lapic_next_event+0x5a/0x90
[  399.744513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.750056]  ? kvm_clock_read+0x18/0x30
[  399.754033]  ? kvm_sched_clock_read+0x9/0x20
[  399.758448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.763987]  ? check_preemption_disabled+0x48/0x280
[  399.769014]  irq_exit+0x17f/0x1c0
[  399.772468]  smp_apic_timer_interrupt+0x1cb/0x760
[  399.777309]  ? smp_reschedule_interrupt+0x109/0x650
[  399.782330]  ? smp_call_function_single_interrupt+0x650/0x650
[  399.788213]  ? interrupt_entry+0xb5/0xc0
[  399.792282]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.797296]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.802315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.807162]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.812179]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.817196]  ? task_prio+0x50/0x50
[  399.820743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.826282]  ? check_preemption_disabled+0x48/0x280
[  399.831307]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.836164]  apic_timer_interrupt+0xf/0x20
[  399.840391]  </IRQ>
[  399.842641] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  399.847832] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  399.866736] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  399.874441] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  399.881711] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  399.888979] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  399.896249] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  399.903517] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  399.910816]  retint_kernel+0x1b/0x2d
[  399.914539] RIP: 0010:dump_stack+0x358/0x39d
[  399.918950] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  399.937855] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  399.945565] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  399.952833] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  399.960102] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  399.967368] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  399.974645] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  399.981934]  ? dump_stack+0x34f/0x39d
[  399.985756]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.990951]  ? mark_held_locks+0x130/0x130
[  399.995197]  ? mark_held_locks+0x130/0x130
[  399.999440]  dump_header+0x27b/0xf72
[  400.003168]  ? pagefault_out_of_memory+0x197/0x197
[  400.008109]  ? __lock_acquire+0x62f/0x4c20
[  400.012348]  ? percpu_ref_get_many+0x240/0x240
[  400.016938]  ? print_usage_bug+0xc0/0xc0
[  400.021006]  ? zap_class+0x640/0x640
[  400.024728]  ? print_usage_bug+0xc0/0xc0
[  400.028795]  ? print_usage_bug+0xc0/0xc0
[  400.032862]  ? zap_class+0x640/0x640
[  400.036584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.042126]  ? find_held_lock+0x36/0x1c0
[  400.046202]  ? mark_held_locks+0xc7/0x130
[  400.050352]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  400.055458]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  400.060563]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.065148]  ? trace_hardirqs_on+0xbd/0x310
[  400.069472]  ? kasan_check_read+0x11/0x20
[  400.073629]  ? ___ratelimit+0x3b4/0x672
[  400.077607]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.082721]  ? trace_hardirqs_on+0x310/0x310
[  400.087139]  ? lock_downgrade+0x900/0x900
[  400.091295]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  400.096397]  ? ___ratelimit+0x3b9/0x672
[  400.100375]  ? idr_get_free+0xf70/0xf70
[  400.104353]  ? find_held_lock+0x36/0x1c0
[  400.108429]  oom_kill_process.cold.27+0x10/0x903
[  400.113277]  ? zap_class+0x640/0x640
[  400.116993]  ? check_preemption_disabled+0x48/0x280
[  400.122015]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  400.126948]  ? kasan_check_read+0x11/0x20
[  400.131099]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.136382]  ? oom_evaluate_task+0x540/0x540
[  400.140799]  ? find_held_lock+0x36/0x1c0
[  400.144874]  ? out_of_memory+0x974/0x1430
[  400.149034]  ? lock_downgrade+0x900/0x900
[  400.153186]  ? check_preemption_disabled+0x48/0x280
[  400.158226]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  400.163167]  ? kasan_check_read+0x11/0x20
[  400.167314]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.172596]  ? rcu_softirq_qs+0x20/0x20
[  400.176583]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.182120]  ? oom_evaluate_task+0x302/0x540
[  400.186535]  out_of_memory+0xa84/0x1430
[  400.190518]  ? oom_killer_disable+0x3a0/0x3a0
[  400.195018]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  400.199950]  ? __ww_mutex_check_waiters+0x160/0x160
[  400.204981]  __alloc_pages_slowpath+0x2354/0x2e10
[  400.209856]  ? warn_alloc+0x120/0x120
[  400.213662]  ? mark_held_locks+0x130/0x130
[  400.217916]  ? find_get_entry+0xaae/0x1120
[  400.222163]  ? filemap_map_pages+0x1a20/0x1a20
[  400.226754]  ? zap_class+0x640/0x640
[  400.230477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.236017]  ? check_preemption_disabled+0x48/0x280
[  400.241034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.246575]  ? should_fail+0x22d/0xd01
[  400.250491]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.255596]  ? zap_class+0x640/0x640
[  400.259349]  ? __lock_is_held+0xb5/0x140
[  400.263422]  ? mark_held_locks+0x130/0x130
[  400.267666]  ? lock_release+0xa00/0xa00
[  400.271650]  ? perf_trace_sched_process_exec+0x860/0x860
[  400.277108]  ? xa_load+0x2ba/0x460
[  400.280656]  ? lock_downgrade+0x900/0x900
[  400.284815]  ? __might_sleep+0x95/0x190
[  400.288800]  __alloc_pages_nodemask+0xa80/0xde0
[  400.293476]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.298493]  ? __page_cache_alloc+0x191/0x5c0
[  400.302992]  ? xa_load+0x2e1/0x460
[  400.306534]  ? xa_clear_mark+0x40/0x40
[  400.310424]  ? zap_class+0x640/0x640
[  400.314151]  ? zap_class+0x640/0x640
[  400.317866]  ? zap_class+0x640/0x640
[  400.321588]  ? __do_page_cache_readahead+0x663/0x810
[  400.326707]  ? find_held_lock+0x36/0x1c0
[  400.330775]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  400.336322]  alloc_pages_current+0x173/0x350
[  400.340740]  __page_cache_alloc+0x38c/0x5c0
[  400.345066]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  400.349999]  ? kasan_check_read+0x11/0x20
[  400.354146]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.359424]  ? generic_perform_write+0x6a0/0x6a0
[  400.364186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.369726]  ? check_preemption_disabled+0x48/0x280
[  400.374755]  filemap_fault+0x1595/0x25f0
[  400.378831]  ? __lock_page_or_retry+0xa00/0xa00
[  400.383504]  ? mark_held_locks+0x130/0x130
[  400.387756]  ? filemap_map_pages+0xd6b/0x1a20
[  400.392254]  ? lock_downgrade+0x900/0x900
[  400.396405]  ? check_preemption_disabled+0x48/0x280
[  400.401428]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  400.406359]  ? kasan_check_read+0x11/0x20
[  400.410511]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.415790]  ? rcu_softirq_qs+0x20/0x20
[  400.419779]  ? filemap_map_pages+0xd92/0x1a20
[  400.424284]  ? __lock_acquire+0x62f/0x4c20
[  400.428527]  ? find_get_entries_tag+0x1400/0x1400
[  400.433395]  ? lock_acquire+0x1ed/0x520
[  400.437369]  ? ext4_filemap_fault+0x7a/0xad
[  400.441697]  ? lock_release+0xa00/0xa00
[  400.445671]  ? perf_trace_sched_process_exec+0x860/0x860
[  400.451126]  ? print_usage_bug+0xc0/0xc0
[  400.455190]  ? print_usage_bug+0xc0/0xc0
[  400.459265]  ? down_read+0x8d/0x120
[  400.462898]  ? ext4_filemap_fault+0x7a/0xad
[  400.467224]  ? __down_interruptible+0x700/0x700
[  400.471916]  ext4_filemap_fault+0x82/0xad
[  400.476069]  __do_fault+0x100/0x6b0
[  400.479703]  ? pmd_devmap_trans_unstable+0x220/0x220
[  400.484811]  ? mark_held_locks+0x130/0x130
[  400.489048]  ? mark_held_locks+0x130/0x130
[  400.493282]  ? __might_fault+0x12b/0x1e0
[  400.497351]  ? lock_downgrade+0x900/0x900
[  400.501504]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.507047]  __handle_mm_fault+0x3ea0/0x5be0
[  400.511472]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  400.516331]  ? kasan_check_read+0x11/0x20
[  400.520485]  ? _copy_to_user+0xc8/0x110
[  400.524467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.530017]  ? zap_class+0x640/0x640
[  400.533729]  ? zap_class+0x640/0x640
[  400.537449]  ? find_held_lock+0x36/0x1c0
[  400.541523]  ? handle_mm_fault+0x42a/0xc70
[  400.545764]  ? lock_downgrade+0x900/0x900
[  400.550132]  ? check_preemption_disabled+0x48/0x280
[  400.555157]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  400.560084]  ? kasan_check_read+0x11/0x20
[  400.564237]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.569516]  ? rcu_softirq_qs+0x20/0x20
[  400.573491]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.578598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.584143]  ? check_preemption_disabled+0x48/0x280
[  400.589167]  handle_mm_fault+0x54f/0xc70
[  400.593234]  ? __handle_mm_fault+0x5be0/0x5be0
[  400.597823]  ? find_vma+0x34/0x190
[  400.601372]  __do_page_fault+0x5e8/0xe60
[  400.605435]  ? trace_hardirqs_off+0xb8/0x310
[  400.609870]  do_page_fault+0xf2/0x7e0
[  400.613682]  ? vmalloc_sync_all+0x30/0x30
[  400.617831]  ? error_entry+0x70/0xd0
[  400.621552]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.626571]  ? trace_hardirqs_on_caller+0xc0/0x310
[  400.631504]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.636437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.641284]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.646300]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  400.651758]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  400.656780]  ? prepare_exit_to_usermode+0x291/0x3b0
[  400.661799]  ? page_fault+0x8/0x30
[  400.665342]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.670187]  ? page_fault+0x8/0x30
[  400.673730]  page_fault+0x1e/0x30
[  400.677186] RIP: 0033:0x4375fe
[  400.680392] Code: Bad RIP value.
[  400.683890] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  400.689250] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  400.696520] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  400.703786] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  400.711052] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  400.718322] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  400.725617] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  400.725697] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.732553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.732562] Call Trace:
[  400.739133] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.748406]  dump_stack+0x244/0x39d
[  400.750962] syz-fuzzer cpuset=/ mems_allowed=0
[  400.761182]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.774553]  warn_alloc.cold.116+0xb7/0x1bd
[  400.778880]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.783737]  ? lock_downgrade+0x900/0x900
[  400.787902]  ? trace_hardirqs_off+0xb8/0x310
[  400.792325]  ? trace_hardirqs_off+0xb8/0x310
[  400.796747]  __alloc_pages_slowpath+0x26e8/0x2e10
[  400.801633]  ? warn_alloc+0x120/0x120
[  400.805445]  ? print_usage_bug+0xc0/0xc0
[  400.809510]  ? warn_alloc+0x120/0x120
[  400.813316]  ? warn_alloc+0x120/0x120
[  400.817123]  ? print_usage_bug+0xc0/0xc0
[  400.821190]  ? print_usage_bug+0xc0/0xc0
[  400.825261]  ? __lock_acquire+0x62f/0x4c20
[  400.829511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.835052]  ? should_fail+0x22d/0xd01
[  400.838950]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.844056]  ? __lock_acquire+0x62f/0x4c20
[  400.848299]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.853411]  ? __lock_acquire+0x62f/0x4c20
[  400.857655]  ? should_fail+0x22d/0xd01
[  400.861546]  ? find_held_lock+0x36/0x1c0
[  400.865618]  ? mark_held_locks+0x130/0x130
[  400.869875]  ? mark_held_locks+0x130/0x130
[  400.874115]  ? zap_class+0x640/0x640
[  400.877838]  ? zap_class+0x640/0x640
[  400.881560]  ? print_usage_bug+0xc0/0xc0
[  400.885631]  ? do_raw_spin_unlock+0xa7/0x330
[  400.890049]  ? zap_class+0x640/0x640
[  400.893768]  ? print_usage_bug+0xc0/0xc0
[  400.897830]  ? wq_watchdog_touch+0x9c/0xfe
[  400.902075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.907616]  ? check_preemption_disabled+0x48/0x280
[  400.912661]  ? __lock_is_held+0xb5/0x140
[  400.916737]  __alloc_pages_nodemask+0xa80/0xde0
[  400.921410]  ? zap_class+0x640/0x640
[  400.925134]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.930162]  ? find_held_lock+0x36/0x1c0
[  400.934239]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.938916]  ? lock_downgrade+0x900/0x900
[  400.943077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.948630]  cache_grow_begin+0xa5/0x8c0
[  400.952698]  ? do_raw_spin_unlock+0xa7/0x330
[  400.957115]  fallback_alloc+0x204/0x2e0
[  400.961099]  ____cache_alloc_node+0x1c7/0x1e0
[  400.965601]  kmem_cache_alloc_node+0xe3/0x730
[  400.970109]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.974356]  __alloc_skb+0x119/0x770
[  400.978075]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.983357]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.987774]  ? lock_downgrade+0x900/0x900
[  400.991931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.997471]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.002929]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.008380]  ? addrconf_rs_timer+0x690/0x690
[  401.012825]  ndisc_alloc_skb+0x144/0x340
[  401.016894]  ndisc_send_rs+0x331/0x6e0
[  401.020794]  addrconf_rs_timer+0x314/0x690
[  401.025035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.029288]  call_timer_fn+0x272/0x920
[  401.033177]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.037419]  ? process_timeout+0x40/0x40
[  401.041492]  ? __run_timers+0x7da/0xc70
[  401.045472]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.049970]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.054466]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.058701]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.063286]  ? trace_hardirqs_on+0xbd/0x310
[  401.067609]  ? kasan_check_read+0x11/0x20
[  401.071793]  ? __run_timers+0x7da/0xc70
[  401.075776]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.080889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.085137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.089375]  __run_timers+0x7e5/0xc70
[  401.093210]  ? timer_fixup_init+0x70/0x70
[  401.097359]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.101861]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.106359]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.110951]  ? trace_hardirqs_on+0xbd/0x310
[  401.115271]  ? kasan_check_read+0x11/0x20
[  401.119425]  ? finish_task_switch+0x1f4/0x910
[  401.123922]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.129030]  ? compat_start_thread+0x80/0x80
[  401.133462]  ? pvclock_read_flags+0x160/0x160
[  401.137955]  ? __switch_to_asm+0x34/0x70
[  401.142018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.147563]  ? check_preemption_disabled+0x48/0x280
[  401.152594]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  401.158142]  ? rcu_pm_notify+0xc0/0xc0
[  401.162038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.167579]  ? check_preemption_disabled+0x48/0x280
[  401.172601]  run_timer_softirq+0x52/0xb0
[  401.176673]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.181691]  __do_softirq+0x308/0xb7e
[  401.185500]  ? trace_hardirqs_on_caller+0xc0/0x310
[  401.190437]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.195543]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  401.201003]  ? schedule+0x108/0x460
[  401.204642]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  401.209415]  ? trace_hardirqs_off+0xb8/0x310
[  401.213830]  ? smpboot_thread_fn+0x68b/0xa00
[  401.218242]  ? trace_hardirqs_on+0x310/0x310
[  401.222659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.228198]  ? check_preemption_disabled+0x48/0x280
[  401.233216]  ? takeover_tasklets+0xa90/0xa90
[  401.237640]  run_ksoftirqd+0x5e/0x100
[  401.241446]  smpboot_thread_fn+0x68b/0xa00
[  401.245692]  ? sort_range+0x30/0x30
[  401.249328]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  401.254437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.259977]  ? __kthread_parkme+0xfb/0x1a0
[  401.264221]  ? sort_range+0x30/0x30
[  401.267850]  kthread+0x35a/0x440
[  401.271220]  ? kthread_stop+0x900/0x900
[  401.275203]  ret_from_fork+0x3a/0x50
[  401.278950] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  401.278955] warn_alloc_show_mem: 1 callbacks suppressed
[  401.278962] Mem-Info:
[  401.285980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  401.291349] active_anon:56065 inactive_anon:190 isolated_anon:0
[  401.291349]  active_file:11 inactive_file:12 isolated_file:0
[  401.291349]  unevictable:0 dirty:0 writeback:0 unstable:0
[  401.291349]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  401.291349]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  401.291349]  free:13773 free_pcp:518 free_cma:0
[  401.293720] Call Trace:
[  401.303112] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  401.335961]  <IRQ>
[  401.338531] 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
[  401.366036]  dump_stack+0x244/0x39d
[  401.368158] lowmem_reserve[]: 0 2818 6321 6321
[  401.394263]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.397873] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  401.402461]  warn_alloc.cold.116+0xb7/0x1bd
[  401.407619] lowmem_reserve[]: 0 0 3503 3503
[  401.435124]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  401.439423] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  401.443741]  ? lock_downgrade+0x900/0x900
[  401.448557] lowmem_reserve[]: 0 0 0 0
[  401.477534]  ? trace_hardirqs_off+0xb8/0x310
[  401.481652] 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
[  401.485447]  ? trace_hardirqs_off+0xb8/0x310
[  401.490094] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  401.503617]  __alloc_pages_slowpath+0x26e8/0x2e10
[  401.508002] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  401.523195]  ? warn_alloc+0x120/0x120
[  401.527996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  401.542902]  ? print_usage_bug+0xc0/0xc0
[  401.546682] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  401.555505]  ? warn_alloc+0x120/0x120
[  401.559544] 266 total pagecache pages
[  401.568112]  ? warn_alloc+0x120/0x120
[  401.571898] 0 pages in swap cache
[  401.575692]  ? print_usage_bug+0xc0/0xc0
[  401.579473] Swap cache stats: add 0, delete 0, find 0/0
[  401.583007]  ? kvm_clock_read+0x18/0x30
[  401.587040] Free swap  = 0kB
[  401.592404]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  401.596356] Total swap = 0kB
[  401.599368]  ? print_usage_bug+0xc0/0xc0
[  401.604363] 1965979 pages RAM
[  401.607375]  ? __lock_acquire+0x62f/0x4c20
[  401.611417] 0 pages HighMem/MovableOnly
[  401.614517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.618722] 342854 pages reserved
[  401.618730] 0 pages cma reserved
[  401.622698]  ? should_fail+0x22d/0xd01
[  401.628283] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  401.631664]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.631687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.635113] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  401.638918]  ? __lock_acquire+0x62f/0x4c20
[  401.645390] ksoftirqd/1 cpuset=/ mems_allowed=0
[  401.650660]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.679999]  ? __lock_acquire+0x62f/0x4c20
[  401.684236]  ? should_fail+0x22d/0xd01
[  401.688124]  ? rcu_irq_exit+0x1a2/0x390
[  401.692114]  ? mark_held_locks+0x130/0x130
[  401.696355]  ? mark_held_locks+0x130/0x130
[  401.700599]  ? mark_held_locks+0xc7/0x130
[  401.704765]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  401.709789]  ? zap_class+0x640/0x640
[  401.713508]  ? print_usage_bug+0xc0/0xc0
[  401.717576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.723120]  ? check_preemption_disabled+0x48/0x280
[  401.728148]  ? __lock_is_held+0xb5/0x140
[  401.732220]  __alloc_pages_nodemask+0xa80/0xde0
[  401.736894]  ? zap_class+0x640/0x640
[  401.740617]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  401.745663]  ? find_held_lock+0x36/0x1c0
[  401.749739]  ? ____cache_alloc_node+0x1c7/0x1e0
[  401.754419]  ? lock_downgrade+0x900/0x900
[  401.758579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.764123]  cache_grow_begin+0xa5/0x8c0
[  401.768202]  ? do_raw_spin_unlock+0xa7/0x330
[  401.772639]  fallback_alloc+0x204/0x2e0
[  401.776630]  ____cache_alloc_node+0x1c7/0x1e0
[  401.781136]  kmem_cache_alloc_node+0xe3/0x730
[  401.785722]  ? ipv6_get_ifaddr+0x42e/0x620
[  401.789972]  __alloc_skb+0x119/0x770
[  401.793686]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.798970]  ? netdev_alloc_frag+0x1f0/0x1f0
[  401.803380]  ? lock_downgrade+0x900/0x900
[  401.807541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.813081]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.818535]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.823988]  ? addrconf_rs_timer+0x690/0x690
[  401.828410]  ndisc_alloc_skb+0x144/0x340
[  401.832479]  ndisc_send_rs+0x331/0x6e0
[  401.836372]  addrconf_rs_timer+0x314/0x690
[  401.840613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.844876]  call_timer_fn+0x272/0x920
[  401.848769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.853004]  ? process_timeout+0x40/0x40
[  401.857076]  ? mark_held_locks+0xc7/0x130
[  401.861231]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.865723]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.870217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.874452]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.879037]  ? trace_hardirqs_on+0xbd/0x310
[  401.883364]  ? kasan_check_read+0x11/0x20
[  401.887509]  ? __run_timers+0x7da/0xc70
[  401.891488]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.896604]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.900858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.905095]  __run_timers+0x7e5/0xc70
[  401.908913]  ? timer_fixup_init+0x70/0x70
[  401.913065]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  401.918082]  ? zap_class+0x640/0x640
[  401.921803]  ? print_usage_bug+0xc0/0xc0
[  401.925868]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  401.931074]  ? find_held_lock+0x36/0x1c0
[  401.935141]  ? zap_class+0x640/0x640
[  401.938862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.944406]  ? check_preemption_disabled+0x48/0x280
[  401.949433]  ? __lock_is_held+0xb5/0x140
[  401.953495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.959034]  ? check_preemption_disabled+0x48/0x280
[  401.964058]  run_timer_softirq+0x52/0xb0
[  401.968121]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.973139]  __do_softirq+0x308/0xb7e
[  401.976949]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  401.981444]  ? lock_downgrade+0x900/0x900
[  401.985599]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.990721]  ? pvclock_read_flags+0x160/0x160
[  401.995220]  ? lapic_next_event+0x5a/0x90
[  401.999376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.004921]  ? kvm_clock_read+0x18/0x30
[  402.008900]  ? kvm_sched_clock_read+0x9/0x20
[  402.013313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.018859]  ? check_preemption_disabled+0x48/0x280
[  402.023896]  irq_exit+0x17f/0x1c0
[  402.027350]  smp_apic_timer_interrupt+0x1cb/0x760
[  402.032192]  ? smp_reschedule_interrupt+0x109/0x650
[  402.037213]  ? smp_call_function_single_interrupt+0x650/0x650
[  402.043099]  ? interrupt_entry+0xb5/0xc0
[  402.047164]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.052180]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.057202]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.062051]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.067069]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.072085]  ? task_prio+0x50/0x50
[  402.075639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.081184]  ? check_preemption_disabled+0x48/0x280
[  402.086210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.091068]  apic_timer_interrupt+0xf/0x20
[  402.095296]  </IRQ>
[  402.097534] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  402.102724] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  402.121631] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  402.129346] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  402.136611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  402.143889] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  402.151155] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  402.158422] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  402.165727]  retint_kernel+0x1b/0x2d
[  402.169442] RIP: 0010:dump_stack+0x358/0x39d
[  402.173849] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  402.192745] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  402.200453] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  402.207717] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  402.214982] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  402.222251] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  402.229517] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  402.236809]  ? dump_stack+0x34f/0x39d
[  402.240636]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.245850]  ? mark_held_locks+0x130/0x130
[  402.250093]  ? mark_held_locks+0x130/0x130
[  402.254332]  dump_header+0x27b/0xf72
[  402.258066]  ? pagefault_out_of_memory+0x197/0x197
[  402.263026]  ? __lock_acquire+0x62f/0x4c20
[  402.267265]  ? percpu_ref_get_many+0x240/0x240
[  402.271853]  ? print_usage_bug+0xc0/0xc0
[  402.275930]  ? zap_class+0x640/0x640
[  402.279652]  ? print_usage_bug+0xc0/0xc0
[  402.283718]  ? print_usage_bug+0xc0/0xc0
[  402.287784]  ? zap_class+0x640/0x640
[  402.291504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.297047]  ? find_held_lock+0x36/0x1c0
[  402.301119]  ? mark_held_locks+0xc7/0x130
[  402.305270]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  402.310373]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  402.315478]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.320066]  ? trace_hardirqs_on+0xbd/0x310
[  402.324389]  ? kasan_check_read+0x11/0x20
[  402.328536]  ? ___ratelimit+0x3b4/0x672
[  402.332511]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.337614]  ? trace_hardirqs_on+0x310/0x310
[  402.342035]  ? lock_downgrade+0x900/0x900
[  402.346192]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  402.351297]  ? ___ratelimit+0x3b9/0x672
[  402.355274]  ? idr_get_free+0xf70/0xf70
[  402.359248]  ? find_held_lock+0x36/0x1c0
[  402.363326]  oom_kill_process.cold.27+0x10/0x903
[  402.368083]  ? zap_class+0x640/0x640
[  402.371803]  ? check_preemption_disabled+0x48/0x280
[  402.376823]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.381756]  ? kasan_check_read+0x11/0x20
[  402.385912]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.391196]  ? oom_evaluate_task+0x540/0x540
[  402.395611]  ? find_held_lock+0x36/0x1c0
[  402.399692]  ? out_of_memory+0x974/0x1430
[  402.403844]  ? lock_downgrade+0x900/0x900
[  402.408023]  ? check_preemption_disabled+0x48/0x280
[  402.413048]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.418064]  ? kasan_check_read+0x11/0x20
[  402.422215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.427494]  ? rcu_softirq_qs+0x20/0x20
[  402.431473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.437010]  ? oom_evaluate_task+0x302/0x540
[  402.441423]  out_of_memory+0xa84/0x1430
[  402.445412]  ? oom_killer_disable+0x3a0/0x3a0
[  402.449915]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  402.454851]  ? __ww_mutex_check_waiters+0x160/0x160
[  402.459891]  __alloc_pages_slowpath+0x2354/0x2e10
[  402.464768]  ? warn_alloc+0x120/0x120
[  402.468569]  ? mark_held_locks+0x130/0x130
[  402.472814]  ? find_get_entry+0xaae/0x1120
[  402.477062]  ? filemap_map_pages+0x1a20/0x1a20
[  402.481660]  ? zap_class+0x640/0x640
[  402.485381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.490923]  ? check_preemption_disabled+0x48/0x280
[  402.495940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.501478]  ? should_fail+0x22d/0xd01
[  402.505373]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.510481]  ? zap_class+0x640/0x640
[  402.514267]  ? __lock_is_held+0xb5/0x140
[  402.518350]  ? mark_held_locks+0x130/0x130
[  402.522598]  ? lock_release+0xa00/0xa00
[  402.526587]  ? perf_trace_sched_process_exec+0x860/0x860
[  402.532037]  ? xa_load+0x2ba/0x460
[  402.535580]  ? lock_downgrade+0x900/0x900
[  402.539739]  ? __might_sleep+0x95/0x190
[  402.543720]  __alloc_pages_nodemask+0xa80/0xde0
[  402.548398]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  402.553606]  ? __page_cache_alloc+0x191/0x5c0
[  402.558114]  ? xa_load+0x2e1/0x460
[  402.561666]  ? xa_clear_mark+0x40/0x40
[  402.565555]  ? zap_class+0x640/0x640
[  402.569277]  ? zap_class+0x640/0x640
[  402.572991]  ? zap_class+0x640/0x640
[  402.576704]  ? __do_page_cache_readahead+0x663/0x810
[  402.581814]  ? find_held_lock+0x36/0x1c0
[  402.585882]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  402.591434]  alloc_pages_current+0x173/0x350
[  402.595857]  __page_cache_alloc+0x38c/0x5c0
[  402.600184]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.605118]  ? kasan_check_read+0x11/0x20
[  402.609269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.614552]  ? generic_perform_write+0x6a0/0x6a0
[  402.619309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.624864]  ? check_preemption_disabled+0x48/0x280
[  402.629915]  filemap_fault+0x1595/0x25f0
[  402.633994]  ? __lock_page_or_retry+0xa00/0xa00
[  402.638669]  ? mark_held_locks+0x130/0x130
[  402.642918]  ? filemap_map_pages+0xd6b/0x1a20
[  402.647415]  ? lock_downgrade+0x900/0x900
[  402.651569]  ? check_preemption_disabled+0x48/0x280
[  402.656594]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.661532]  ? kasan_check_read+0x11/0x20
[  402.665679]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.670956]  ? rcu_softirq_qs+0x20/0x20
[  402.674945]  ? filemap_map_pages+0xd92/0x1a20
[  402.679443]  ? __lock_acquire+0x62f/0x4c20
[  402.683809]  ? find_get_entries_tag+0x1400/0x1400
[  402.688681]  ? lock_acquire+0x1ed/0x520
[  402.693337]  ? ext4_filemap_fault+0x7a/0xad
[  402.697670]  ? lock_release+0xa00/0xa00
[  402.701654]  ? perf_trace_sched_process_exec+0x860/0x860
[  402.707113]  ? print_usage_bug+0xc0/0xc0
[  402.711175]  ? print_usage_bug+0xc0/0xc0
[  402.715254]  ? down_read+0x8d/0x120
[  402.718878]  ? ext4_filemap_fault+0x7a/0xad
[  402.723213]  ? __down_interruptible+0x700/0x700
[  402.727900]  ext4_filemap_fault+0x82/0xad
[  402.732055]  __do_fault+0x100/0x6b0
[  402.735690]  ? pmd_devmap_trans_unstable+0x220/0x220
[  402.740799]  ? mark_held_locks+0x130/0x130
[  402.745039]  ? mark_held_locks+0x130/0x130
[  402.749275]  ? __might_fault+0x12b/0x1e0
[  402.753342]  ? lock_downgrade+0x900/0x900
[  402.757499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.763303]  __handle_mm_fault+0x3ea0/0x5be0
[  402.767723]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  402.772576]  ? kasan_check_read+0x11/0x20
[  402.776819]  ? _copy_to_user+0xc8/0x110
[  402.780798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.786351]  ? zap_class+0x640/0x640
[  402.790064]  ? zap_class+0x640/0x640
[  402.793789]  ? find_held_lock+0x36/0x1c0
[  402.797860]  ? handle_mm_fault+0x42a/0xc70
[  402.802101]  ? lock_downgrade+0x900/0x900
[  402.806256]  ? check_preemption_disabled+0x48/0x280
[  402.811277]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.816207]  ? kasan_check_read+0x11/0x20
[  402.820354]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.825643]  ? rcu_softirq_qs+0x20/0x20
[  402.829632]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.834739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.840277]  ? check_preemption_disabled+0x48/0x280
[  402.845335]  handle_mm_fault+0x54f/0xc70
[  402.849399]  ? __handle_mm_fault+0x5be0/0x5be0
[  402.853986]  ? find_vma+0x34/0x190
[  402.857534]  __do_page_fault+0x5e8/0xe60
[  402.861593]  ? trace_hardirqs_off+0xb8/0x310
[  402.866021]  do_page_fault+0xf2/0x7e0
[  402.869824]  ? vmalloc_sync_all+0x30/0x30
[  402.874004]  ? error_entry+0x70/0xd0
[  402.877722]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.882744]  ? trace_hardirqs_on_caller+0xc0/0x310
[  402.887676]  ? syscall_return_slowpath+0x5e0/0x5e0
[  402.892603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.897458]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.902474]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  402.907925]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  402.912942]  ? prepare_exit_to_usermode+0x291/0x3b0
[  402.917956]  ? page_fault+0x8/0x30
[  402.921505]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.926355]  ? page_fault+0x8/0x30
[  402.929905]  page_fault+0x1e/0x30
[  402.933359] RIP: 0033:0x4375fe
[  402.936565] Code: Bad RIP value.
[  402.939929] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  402.945287] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  402.952558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  402.959825] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  402.967096] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  402.974365] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  402.981669] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  402.981734] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.988597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.988602] Call Trace:
[  402.988632]  dump_stack+0x244/0x39d
[  402.988652]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.995210] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.004513]  warn_alloc.cold.116+0xb7/0x1bd
[  403.007068] syz-fuzzer cpuset=/ mems_allowed=0
[  403.010691]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.039787]  ? lock_downgrade+0x900/0x900
[  403.043949]  ? trace_hardirqs_off+0xb8/0x310
[  403.048371]  ? trace_hardirqs_off+0xb8/0x310
[  403.052793]  __alloc_pages_slowpath+0x26e8/0x2e10
[  403.057676]  ? warn_alloc+0x120/0x120
[  403.061488]  ? print_usage_bug+0xc0/0xc0
[  403.065551]  ? warn_alloc+0x120/0x120
[  403.069361]  ? warn_alloc+0x120/0x120
[  403.073173]  ? print_usage_bug+0xc0/0xc0
[  403.077240]  ? print_usage_bug+0xc0/0xc0
[  403.081307]  ? __lock_acquire+0x62f/0x4c20
[  403.085551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.091096]  ? should_fail+0x22d/0xd01
[  403.094990]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.100097]  ? __lock_acquire+0x62f/0x4c20
[  403.104342]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.109445]  ? __lock_acquire+0x62f/0x4c20
[  403.113681]  ? should_fail+0x22d/0xd01
[  403.117573]  ? find_held_lock+0x36/0x1c0
[  403.121651]  ? mark_held_locks+0x130/0x130
[  403.125897]  ? mark_held_locks+0x130/0x130
[  403.130132]  ? zap_class+0x640/0x640
[  403.133852]  ? mark_held_locks+0xc7/0x130
[  403.138002]  ? do_raw_spin_unlock+0xa7/0x330
[  403.142414]  ? zap_class+0x640/0x640
[  403.146130]  ? print_usage_bug+0xc0/0xc0
[  403.150201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.155769]  ? check_preemption_disabled+0x48/0x280
[  403.160802]  ? __lock_is_held+0xb5/0x140
[  403.164872]  __alloc_pages_nodemask+0xa80/0xde0
[  403.169545]  ? zap_class+0x640/0x640
[  403.173265]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.178293]  ? find_held_lock+0x36/0x1c0
[  403.182368]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.187049]  ? lock_downgrade+0x900/0x900
[  403.191210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.196762]  cache_grow_begin+0xa5/0x8c0
[  403.200825]  ? do_raw_spin_unlock+0xa7/0x330
[  403.205243]  fallback_alloc+0x204/0x2e0
[  403.209231]  ____cache_alloc_node+0x1c7/0x1e0
[  403.213734]  kmem_cache_alloc_node+0xe3/0x730
[  403.218231]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.222481]  __alloc_skb+0x119/0x770
[  403.226196]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.231480]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.235891]  ? lock_downgrade+0x900/0x900
[  403.240053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.245594]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.251064]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.256520]  ? addrconf_rs_timer+0x690/0x690
[  403.260943]  ndisc_alloc_skb+0x144/0x340
[  403.265014]  ndisc_send_rs+0x331/0x6e0
[  403.268911]  addrconf_rs_timer+0x314/0x690
[  403.273159]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.277410]  call_timer_fn+0x272/0x920
[  403.281298]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.285538]  ? process_timeout+0x40/0x40
[  403.289609]  ? __run_timers+0x7da/0xc70
[  403.293599]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.298120]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.302615]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.306865]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.311452]  ? trace_hardirqs_on+0xbd/0x310
[  403.315777]  ? kasan_check_read+0x11/0x20
[  403.319927]  ? __run_timers+0x7da/0xc70
[  403.323907]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.329015]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.333258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.337496]  __run_timers+0x7e5/0xc70
[  403.341312]  ? timer_fixup_init+0x70/0x70
[  403.345461]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.349956]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.354458]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  403.359046]  ? trace_hardirqs_on+0xbd/0x310
[  403.363369]  ? kasan_check_read+0x11/0x20
[  403.367523]  ? finish_task_switch+0x1f4/0x910
[  403.372023]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.377131]  ? compat_start_thread+0x80/0x80
[  403.381563]  ? pvclock_read_flags+0x160/0x160
[  403.386061]  ? __switch_to_asm+0x34/0x70
[  403.390130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.395672]  ? check_preemption_disabled+0x48/0x280
[  403.400705]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  403.406245]  ? rcu_pm_notify+0xc0/0xc0
[  403.410138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.415676]  ? check_preemption_disabled+0x48/0x280
[  403.420701]  run_timer_softirq+0x52/0xb0
[  403.424767]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.429785]  __do_softirq+0x308/0xb7e
[  403.433593]  ? trace_hardirqs_on_caller+0xc0/0x310
[  403.438537]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.443649]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  403.449109]  ? schedule+0x108/0x460
[  403.452736]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  403.457503]  ? trace_hardirqs_off+0xb8/0x310
[  403.461920]  ? smpboot_thread_fn+0x68b/0xa00
[  403.466334]  ? trace_hardirqs_on+0x310/0x310
[  403.470750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.476293]  ? check_preemption_disabled+0x48/0x280
[  403.481311]  ? takeover_tasklets+0xa90/0xa90
[  403.485723]  run_ksoftirqd+0x5e/0x100
[  403.489524]  smpboot_thread_fn+0x68b/0xa00
[  403.493766]  ? sort_range+0x30/0x30
[  403.497399]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  403.502507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.508053]  ? __kthread_parkme+0xfb/0x1a0
[  403.512292]  ? sort_range+0x30/0x30
[  403.516140]  kthread+0x35a/0x440
[  403.519515]  ? kthread_stop+0x900/0x900
[  403.523504]  ret_from_fork+0x3a/0x50
[  403.527244] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  403.527249] warn_alloc_show_mem: 1 callbacks suppressed
[  403.527257] Mem-Info:
[  403.534266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  403.539641] active_anon:56065 inactive_anon:190 isolated_anon:0
[  403.539641]  active_file:11 inactive_file:12 isolated_file:0
[  403.539641]  unevictable:0 dirty:0 writeback:0 unstable:0
[  403.539641]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  403.539641]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  403.539641]  free:13773 free_pcp:518 free_cma:0
[  403.542019] Call Trace:
[  403.551413] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  403.584258]  <IRQ>
[  403.586827] 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
[  403.614323]  dump_stack+0x244/0x39d
[  403.616445] lowmem_reserve[]: 0 2818 6321 6321
[  403.642555]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.646154] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  403.650738]  warn_alloc.cold.116+0xb7/0x1bd
[  403.655885] lowmem_reserve[]: 0 0 3503 3503
[  403.683394]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.687697] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  403.692015]  ? lock_downgrade+0x900/0x900
[  403.696830] lowmem_reserve[]: 0 0 0 0
[  403.725811]  ? trace_hardirqs_off+0xb8/0x310
[  403.729927] 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
[  403.733728]  ? trace_hardirqs_off+0xb8/0x310
[  403.738111] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  403.751641]  __alloc_pages_slowpath+0x26e8/0x2e10
[  403.756021] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  403.771213]  ? warn_alloc+0x120/0x120
[  403.776124] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  403.791031]  ? print_usage_bug+0xc0/0xc0
[  403.794815] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  403.803648]  ? warn_alloc+0x120/0x120
[  403.807690] 266 total pagecache pages
[  403.816275]  ? warn_alloc+0x120/0x120
[  403.820048] 0 pages in swap cache
[  403.823836]  ? print_usage_bug+0xc0/0xc0
[  403.827612] Swap cache stats: add 0, delete 0, find 0/0
[  403.831064]  ? kvm_clock_read+0x18/0x30
[  403.835098] Free swap  = 0kB
[  403.840459]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  403.844404] Total swap = 0kB
[  403.847417]  ? print_usage_bug+0xc0/0xc0
[  403.852409] 1965979 pages RAM
[  403.855425]  ? __lock_acquire+0x62f/0x4c20
[  403.859459] 0 pages HighMem/MovableOnly
[  403.862558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.866766] 342854 pages reserved
[  403.870733]  ? should_fail+0x22d/0xd01
[  403.876241] 0 pages cma reserved
[  403.879685]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.883617] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.886915]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.892222] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.898656]  ? __lock_acquire+0x62f/0x4c20
[  403.903734] ksoftirqd/1 cpuset=/ mems_allowed=0
[  403.914042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.928004]  ? __lock_acquire+0x62f/0x4c20
[  403.932240]  ? should_fail+0x22d/0xd01
[  403.936129]  ? rcu_irq_exit+0x1a2/0x390
[  403.940113]  ? mark_held_locks+0x130/0x130
[  403.944356]  ? mark_held_locks+0x130/0x130
[  403.948600]  ? mark_held_locks+0xc7/0x130
[  403.952757]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  403.957775]  ? zap_class+0x640/0x640
[  403.961491]  ? print_usage_bug+0xc0/0xc0
[  403.965557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.971099]  ? check_preemption_disabled+0x48/0x280
[  403.976129]  ? __lock_is_held+0xb5/0x140
[  403.980199]  __alloc_pages_nodemask+0xa80/0xde0
[  403.984869]  ? zap_class+0x640/0x640
[  403.988594]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.993643]  ? find_held_lock+0x36/0x1c0
[  403.997723]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.002393]  ? lock_downgrade+0x900/0x900
[  404.006555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.012099]  cache_grow_begin+0xa5/0x8c0
[  404.016163]  ? do_raw_spin_unlock+0xa7/0x330
[  404.020585]  fallback_alloc+0x204/0x2e0
[  404.024565]  ____cache_alloc_node+0x1c7/0x1e0
[  404.029071]  kmem_cache_alloc_node+0xe3/0x730
[  404.033570]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.037820]  __alloc_skb+0x119/0x770
[  404.041538]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.046822]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.051233]  ? lock_downgrade+0x900/0x900
[  404.055388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.060928]  ? refcount_sub_and_test_checked+0x203/0x310
[  404.066383]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  404.071832]  ? addrconf_rs_timer+0x690/0x690
[  404.076257]  ndisc_alloc_skb+0x144/0x340
[  404.080342]  ndisc_send_rs+0x331/0x6e0
[  404.084244]  addrconf_rs_timer+0x314/0x690
[  404.088490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.092741]  call_timer_fn+0x272/0x920
[  404.096635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.100874]  ? process_timeout+0x40/0x40
[  404.104955]  ? mark_held_locks+0xc7/0x130
[  404.109107]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.113603]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.118109]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.122343]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.126929]  ? trace_hardirqs_on+0xbd/0x310
[  404.131250]  ? kasan_check_read+0x11/0x20
[  404.135416]  ? __run_timers+0x7da/0xc70
[  404.139393]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.144506]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.148748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.152987]  __run_timers+0x7e5/0xc70
[  404.156803]  ? timer_fixup_init+0x70/0x70
[  404.160958]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  404.165976]  ? zap_class+0x640/0x640
[  404.169701]  ? print_usage_bug+0xc0/0xc0
[  404.173769]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  404.178967]  ? find_held_lock+0x36/0x1c0
[  404.183036]  ? zap_class+0x640/0x640
[  404.186756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.192296]  ? check_preemption_disabled+0x48/0x280
[  404.197326]  ? __lock_is_held+0xb5/0x140
[  404.201390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.206933]  ? check_preemption_disabled+0x48/0x280
[  404.211955]  run_timer_softirq+0x52/0xb0
[  404.216020]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.221041]  __do_softirq+0x308/0xb7e
[  404.224847]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  404.229343]  ? lock_downgrade+0x900/0x900
[  404.233494]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.238608]  ? pvclock_read_flags+0x160/0x160
[  404.243116]  ? lapic_next_event+0x5a/0x90
[  404.247271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.252813]  ? kvm_clock_read+0x18/0x30
[  404.256794]  ? kvm_sched_clock_read+0x9/0x20
[  404.261209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.266752]  ? check_preemption_disabled+0x48/0x280
[  404.271784]  irq_exit+0x17f/0x1c0
[  404.275241]  smp_apic_timer_interrupt+0x1cb/0x760
[  404.280084]  ? smp_reschedule_interrupt+0x109/0x650
[  404.285101]  ? smp_call_function_single_interrupt+0x650/0x650
[  404.290990]  ? interrupt_entry+0xb5/0xc0
[  404.295056]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.300070]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.305092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.309935]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.314953]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.319970]  ? task_prio+0x50/0x50
[  404.323513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.329056]  ? check_preemption_disabled+0x48/0x280
[  404.334083]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.338936]  apic_timer_interrupt+0xf/0x20
[  404.343163]  </IRQ>
[  404.345402] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  404.350592] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  404.369502] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  404.377210] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  404.384476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  404.391742] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  404.399010] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  404.406278] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  404.413582]  retint_kernel+0x1b/0x2d
[  404.417299] RIP: 0010:dump_stack+0x358/0x39d
[  404.421710] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  404.440610] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  404.448325] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  404.455589] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  404.462854] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  404.470132] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  404.477397] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  404.484688]  ? dump_stack+0x34f/0x39d
[  404.488517]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.493718]  ? mark_held_locks+0x130/0x130
[  404.497953]  ? mark_held_locks+0x130/0x130
[  404.502194]  dump_header+0x27b/0xf72
[  404.505928]  ? pagefault_out_of_memory+0x197/0x197
[  404.510868]  ? __lock_acquire+0x62f/0x4c20
[  404.515160]  ? percpu_ref_get_many+0x240/0x240
[  404.519772]  ? print_usage_bug+0xc0/0xc0
[  404.523844]  ? zap_class+0x640/0x640
[  404.527563]  ? print_usage_bug+0xc0/0xc0
[  404.531632]  ? print_usage_bug+0xc0/0xc0
[  404.535699]  ? zap_class+0x640/0x640
[  404.539417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.544958]  ? find_held_lock+0x36/0x1c0
[  404.549034]  ? mark_held_locks+0xc7/0x130
[  404.553435]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  404.558540]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  404.563650]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.568243]  ? trace_hardirqs_on+0xbd/0x310
[  404.572566]  ? kasan_check_read+0x11/0x20
[  404.576718]  ? ___ratelimit+0x3b4/0x672
[  404.580694]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.585797]  ? trace_hardirqs_on+0x310/0x310
[  404.590211]  ? lock_downgrade+0x900/0x900
[  404.594366]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  404.599467]  ? ___ratelimit+0x3b9/0x672
[  404.603445]  ? idr_get_free+0xf70/0xf70
[  404.607418]  ? find_held_lock+0x36/0x1c0
[  404.611492]  oom_kill_process.cold.27+0x10/0x903
[  404.616252]  ? zap_class+0x640/0x640
[  404.619973]  ? check_preemption_disabled+0x48/0x280
[  404.624992]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.629924]  ? kasan_check_read+0x11/0x20
[  404.634072]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.639352]  ? oom_evaluate_task+0x540/0x540
[  404.643772]  ? find_held_lock+0x36/0x1c0
[  404.647842]  ? out_of_memory+0x974/0x1430
[  404.651993]  ? lock_downgrade+0x900/0x900
[  404.656145]  ? check_preemption_disabled+0x48/0x280
[  404.661166]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.666094]  ? kasan_check_read+0x11/0x20
[  404.670243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.675524]  ? rcu_softirq_qs+0x20/0x20
[  404.679505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.685192]  ? oom_evaluate_task+0x302/0x540
[  404.689610]  out_of_memory+0xa84/0x1430
[  404.693603]  ? oom_killer_disable+0x3a0/0x3a0
[  404.698108]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  404.703046]  ? __ww_mutex_check_waiters+0x160/0x160
[  404.708075]  __alloc_pages_slowpath+0x2354/0x2e10
[  404.712955]  ? warn_alloc+0x120/0x120
[  404.716759]  ? mark_held_locks+0x130/0x130
[  404.721002]  ? find_get_entry+0xaae/0x1120
[  404.725245]  ? filemap_map_pages+0x1a20/0x1a20
[  404.729867]  ? zap_class+0x640/0x640
[  404.733593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.739141]  ? check_preemption_disabled+0x48/0x280
[  404.744161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.749705]  ? should_fail+0x22d/0xd01
[  404.753599]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.758718]  ? zap_class+0x640/0x640
[  404.762457]  ? __lock_is_held+0xb5/0x140
[  404.766529]  ? mark_held_locks+0x130/0x130
[  404.770772]  ? lock_release+0xa00/0xa00
[  404.774752]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.780212]  ? xa_load+0x2ba/0x460
[  404.783761]  ? lock_downgrade+0x900/0x900
[  404.787920]  ? __might_sleep+0x95/0x190
[  404.791908]  __alloc_pages_nodemask+0xa80/0xde0
[  404.796588]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  404.801616]  ? __page_cache_alloc+0x191/0x5c0
[  404.806123]  ? xa_load+0x2e1/0x460
[  404.809671]  ? xa_clear_mark+0x40/0x40
[  404.813592]  ? zap_class+0x640/0x640
[  404.817322]  ? zap_class+0x640/0x640
[  404.821034]  ? zap_class+0x640/0x640
[  404.824747]  ? __do_page_cache_readahead+0x663/0x810
[  404.829857]  ? find_held_lock+0x36/0x1c0
[  404.833927]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  404.839472]  alloc_pages_current+0x173/0x350
[  404.843892]  __page_cache_alloc+0x38c/0x5c0
[  404.848242]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.853169]  ? kasan_check_read+0x11/0x20
[  404.857316]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.862596]  ? generic_perform_write+0x6a0/0x6a0
[  404.867363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.872909]  ? check_preemption_disabled+0x48/0x280
[  404.877938]  filemap_fault+0x1595/0x25f0
[  404.882018]  ? __lock_page_or_retry+0xa00/0xa00
[  404.886778]  ? mark_held_locks+0x130/0x130
[  404.891022]  ? filemap_map_pages+0xd6b/0x1a20
[  404.895524]  ? lock_downgrade+0x900/0x900
[  404.899676]  ? check_preemption_disabled+0x48/0x280
[  404.904698]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.909635]  ? kasan_check_read+0x11/0x20
[  404.913785]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.919063]  ? rcu_softirq_qs+0x20/0x20
[  404.923051]  ? filemap_map_pages+0xd92/0x1a20
[  404.927550]  ? __lock_acquire+0x62f/0x4c20
[  404.931792]  ? find_get_entries_tag+0x1400/0x1400
[  404.936664]  ? lock_acquire+0x1ed/0x520
[  404.940645]  ? ext4_filemap_fault+0x7a/0xad
[  404.944977]  ? lock_release+0xa00/0xa00
[  404.948953]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.954407]  ? print_usage_bug+0xc0/0xc0
[  404.958471]  ? print_usage_bug+0xc0/0xc0
[  404.962544]  ? down_read+0x8d/0x120
[  404.966168]  ? ext4_filemap_fault+0x7a/0xad
[  404.970491]  ? __down_interruptible+0x700/0x700
[  404.975174]  ext4_filemap_fault+0x82/0xad
[  404.979328]  __do_fault+0x100/0x6b0
[  404.982961]  ? pmd_devmap_trans_unstable+0x220/0x220
[  404.988067]  ? mark_held_locks+0x130/0x130
[  404.992305]  ? mark_held_locks+0x130/0x130
[  404.996538]  ? __might_fault+0x12b/0x1e0
[  405.000601]  ? lock_downgrade+0x900/0x900
[  405.004762]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.010305]  __handle_mm_fault+0x3ea0/0x5be0
[  405.014725]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  405.019575]  ? kasan_check_read+0x11/0x20
[  405.023722]  ? _copy_to_user+0xc8/0x110
[  405.027700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.033249]  ? zap_class+0x640/0x640
[  405.036961]  ? zap_class+0x640/0x640
[  405.040687]  ? find_held_lock+0x36/0x1c0
[  405.044761]  ? handle_mm_fault+0x42a/0xc70
[  405.048998]  ? lock_downgrade+0x900/0x900
[  405.053146]  ? check_preemption_disabled+0x48/0x280
[  405.058165]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  405.063096]  ? kasan_check_read+0x11/0x20
[  405.067241]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.072522]  ? rcu_softirq_qs+0x20/0x20
[  405.076494]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.081597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.087142]  ? check_preemption_disabled+0x48/0x280
[  405.092166]  handle_mm_fault+0x54f/0xc70
[  405.096264]  ? __handle_mm_fault+0x5be0/0x5be0
[  405.100855]  ? find_vma+0x34/0x190
[  405.104403]  __do_page_fault+0x5e8/0xe60
[  405.108469]  ? trace_hardirqs_off+0xb8/0x310
[  405.112897]  do_page_fault+0xf2/0x7e0
[  405.116700]  ? vmalloc_sync_all+0x30/0x30
[  405.120855]  ? error_entry+0x70/0xd0
[  405.124573]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.129588]  ? trace_hardirqs_on_caller+0xc0/0x310
[  405.134528]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.139456]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.144299]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.149342]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  405.154794]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  405.159813]  ? prepare_exit_to_usermode+0x291/0x3b0
[  405.164830]  ? page_fault+0x8/0x30
[  405.168376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.173272]  ? page_fault+0x8/0x30
[  405.176824]  page_fault+0x1e/0x30
[  405.180273] RIP: 0033:0x4375fe
[  405.183476] Code: Bad RIP value.
[  405.186839] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  405.192198] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  405.199467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  405.206736] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  405.214003] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  405.221269] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  405.228584] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  405.228672] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.235523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.235528] Call Trace:
[  405.235550]  dump_stack+0x244/0x39d
[  405.235584]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.242176] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.251438]  warn_alloc.cold.116+0xb7/0x1bd
[  405.253992] syz-fuzzer cpuset=/ mems_allowed=0
[  405.257619]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.286700]  ? lock_downgrade+0x900/0x900
[  405.290858]  ? trace_hardirqs_off+0xb8/0x310
[  405.295278]  ? trace_hardirqs_off+0xb8/0x310
[  405.299706]  __alloc_pages_slowpath+0x26e8/0x2e10
[  405.304584]  ? warn_alloc+0x120/0x120
[  405.308395]  ? print_usage_bug+0xc0/0xc0
[  405.312460]  ? warn_alloc+0x120/0x120
[  405.316267]  ? warn_alloc+0x120/0x120
[  405.320074]  ? print_usage_bug+0xc0/0xc0
[  405.324140]  ? print_usage_bug+0xc0/0xc0
[  405.328203]  ? __lock_acquire+0x62f/0x4c20
[  405.332446]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.337985]  ? should_fail+0x22d/0xd01
[  405.341884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.346991]  ? __lock_acquire+0x62f/0x4c20
[  405.351231]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.356333]  ? __lock_acquire+0x62f/0x4c20
[  405.360570]  ? should_fail+0x22d/0xd01
[  405.364456]  ? find_held_lock+0x36/0x1c0
[  405.368529]  ? mark_held_locks+0x130/0x130
[  405.372775]  ? mark_held_locks+0x130/0x130
[  405.377013]  ? zap_class+0x640/0x640
[  405.380730]  ? zap_class+0x640/0x640
[  405.384452]  ? print_usage_bug+0xc0/0xc0
[  405.388512]  ? do_raw_spin_unlock+0xa7/0x330
[  405.392921]  ? zap_class+0x640/0x640
[  405.396642]  ? print_usage_bug+0xc0/0xc0
[  405.400710]  ? wq_watchdog_touch+0x9c/0xfe
[  405.404953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.410497]  ? check_preemption_disabled+0x48/0x280
[  405.415524]  ? __lock_is_held+0xb5/0x140
[  405.419594]  __alloc_pages_nodemask+0xa80/0xde0
[  405.424271]  ? zap_class+0x640/0x640
[  405.427995]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  405.433030]  ? find_held_lock+0x36/0x1c0
[  405.437110]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.441785]  ? lock_downgrade+0x900/0x900
[  405.445941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.451488]  cache_grow_begin+0xa5/0x8c0
[  405.455550]  ? do_raw_spin_unlock+0xa7/0x330
[  405.459967]  fallback_alloc+0x204/0x2e0
[  405.463953]  ____cache_alloc_node+0x1c7/0x1e0
[  405.468456]  kmem_cache_alloc_node+0xe3/0x730
[  405.472958]  ? ipv6_get_ifaddr+0x42e/0x620
[  405.477206]  __alloc_skb+0x119/0x770
[  405.480918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.486200]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.490614]  ? lock_downgrade+0x900/0x900
[  405.494785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.500323]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.505783]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  405.511238]  ? addrconf_rs_timer+0x690/0x690
[  405.515667]  ndisc_alloc_skb+0x144/0x340
[  405.520017]  ndisc_send_rs+0x331/0x6e0
[  405.523912]  addrconf_rs_timer+0x314/0x690
[  405.528159]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.532417]  call_timer_fn+0x272/0x920
[  405.536310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.540549]  ? process_timeout+0x40/0x40
[  405.544631]  ? __run_timers+0x7da/0xc70
[  405.548611]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.553117]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.557611]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.561862]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.566448]  ? trace_hardirqs_on+0xbd/0x310
[  405.570777]  ? kasan_check_read+0x11/0x20
[  405.574929]  ? __run_timers+0x7da/0xc70
[  405.578907]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.584017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.588259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.592493]  __run_timers+0x7e5/0xc70
[  405.596306]  ? timer_fixup_init+0x70/0x70
[  405.600457]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.604955]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.609456]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.614047]  ? trace_hardirqs_on+0xbd/0x310
[  405.618372]  ? kasan_check_read+0x11/0x20
[  405.622528]  ? finish_task_switch+0x1f4/0x910
[  405.627027]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.632136]  ? compat_start_thread+0x80/0x80
[  405.636570]  ? pvclock_read_flags+0x160/0x160
[  405.641063]  ? __switch_to_asm+0x34/0x70
[  405.645132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.650674]  ? check_preemption_disabled+0x48/0x280
[  405.655707]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  405.661251]  ? rcu_pm_notify+0xc0/0xc0
[  405.665142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.670682]  ? check_preemption_disabled+0x48/0x280
[  405.675705]  run_timer_softirq+0x52/0xb0
[  405.679771]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.684794]  __do_softirq+0x308/0xb7e
[  405.688606]  ? trace_hardirqs_on_caller+0xc0/0x310
[  405.693549]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.698664]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  405.704125]  ? schedule+0x108/0x460
[  405.707754]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  405.712520]  ? trace_hardirqs_off+0xb8/0x310
[  405.716935]  ? smpboot_thread_fn+0x68b/0xa00
[  405.721347]  ? trace_hardirqs_on+0x310/0x310
[  405.725759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.731300]  ? check_preemption_disabled+0x48/0x280
[  405.736492]  ? takeover_tasklets+0xa90/0xa90
[  405.740905]  run_ksoftirqd+0x5e/0x100
[  405.744714]  smpboot_thread_fn+0x68b/0xa00
[  405.748958]  ? sort_range+0x30/0x30
[  405.752593]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  405.757707]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.763251]  ? __kthread_parkme+0xfb/0x1a0
[  405.767494]  ? sort_range+0x30/0x30
[  405.771121]  kthread+0x35a/0x440
[  405.774489]  ? kthread_stop+0x900/0x900
[  405.778467]  ret_from_fork+0x3a/0x50
[  405.782206] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  405.782211] warn_alloc_show_mem: 1 callbacks suppressed
[  405.782219] Mem-Info:
[  405.789232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.794601] active_anon:56065 inactive_anon:190 isolated_anon:0
[  405.794601]  active_file:11 inactive_file:12 isolated_file:0
[  405.794601]  unevictable:0 dirty:0 writeback:0 unstable:0
[  405.794601]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  405.794601]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  405.794601]  free:13773 free_pcp:518 free_cma:0
[  405.796972] Call Trace:
[  405.806362] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  405.839207]  <IRQ>
[  405.841778] 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
[  405.869274]  dump_stack+0x244/0x39d
[  405.871402] lowmem_reserve[]: 0 2818 6321 6321
[  405.897508]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.901110] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  405.905699]  warn_alloc.cold.116+0xb7/0x1bd
[  405.910852] lowmem_reserve[]: 0 0 3503 3503
[  405.938350]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.942651] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  405.946968]  ? lock_downgrade+0x900/0x900
[  405.951791] lowmem_reserve[]: 0 0 0 0
[  405.980771]  ? trace_hardirqs_off+0xb8/0x310
[  405.984896] 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
[  405.988698]  ? trace_hardirqs_off+0xb8/0x310
[  405.993081] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  406.006606]  __alloc_pages_slowpath+0x26e8/0x2e10
[  406.010982] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  406.026177]  ? warn_alloc+0x120/0x120
[  406.030979] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  406.045890]  ? warn_alloc+0x120/0x120
[  406.049667] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  406.058487]  ? warn_alloc+0x120/0x120
[  406.062264] 266 total pagecache pages
[  406.070838]  ? print_usage_bug+0xc0/0xc0
[  406.074619] 0 pages in swap cache
[  406.078411]  ? warn_alloc+0x120/0x120
[  406.082451] Swap cache stats: add 0, delete 0, find 0/0
[  406.085901]  ? print_usage_bug+0xc0/0xc0
[  406.089673] Free swap  = 0kB
[  406.095037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.099071] Total swap = 0kB
[  406.102082]  ? should_fail+0x22d/0xd01
[  406.107598] 1965979 pages RAM
[  406.110614]  ? __lock_acquire+0x62f/0x4c20
[  406.114485] 0 pages HighMem/MovableOnly
[  406.117586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.121793] 342854 pages reserved
[  406.125758]  ? __lock_acquire+0x62f/0x4c20
[  406.130835] 0 pages cma reserved
[  406.134282]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.138558] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  406.141842]  ? __lock_acquire+0x62f/0x4c20
[  406.141859]  ? should_fail+0x22d/0xd01
[  406.147030] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  406.153435]  ? mark_held_locks+0x130/0x130
[  406.157648] ksoftirqd/1 cpuset=/ mems_allowed=0
[  406.161531]  ? mark_held_locks+0x130/0x130
[  406.184930]  ? mark_held_locks+0x130/0x130
[  406.189167]  ? zap_class+0x640/0x640
[  406.192890]  ? print_usage_bug+0xc0/0xc0
[  406.196957]  ? mark_held_locks+0x130/0x130
[  406.201193]  ? print_usage_bug+0xc0/0xc0
[  406.205256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.210802]  ? check_preemption_disabled+0x48/0x280
[  406.215831]  ? __lock_is_held+0xb5/0x140
[  406.219906]  __alloc_pages_nodemask+0xa80/0xde0
[  406.224582]  ? zap_class+0x640/0x640
[  406.228306]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  406.233343]  ? find_held_lock+0x36/0x1c0
[  406.237421]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.242091]  ? lock_downgrade+0x900/0x900
[  406.246247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.251791]  cache_grow_begin+0xa5/0x8c0
[  406.255854]  ? do_raw_spin_unlock+0xa7/0x330
[  406.260275]  fallback_alloc+0x204/0x2e0
[  406.264258]  ____cache_alloc_node+0x1c7/0x1e0
[  406.268793]  kmem_cache_alloc_node+0xe3/0x730
[  406.273320]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.277569]  __alloc_skb+0x119/0x770
[  406.281282]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.286565]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.290977]  ? lock_downgrade+0x900/0x900
[  406.295134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.300676]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.306131]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.311584]  ? addrconf_rs_timer+0x690/0x690
[  406.316009]  ndisc_alloc_skb+0x144/0x340
[  406.320081]  ndisc_send_rs+0x331/0x6e0
[  406.323976]  addrconf_rs_timer+0x314/0x690
[  406.328221]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.332473]  call_timer_fn+0x272/0x920
[  406.336361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.340595]  ? process_timeout+0x40/0x40
[  406.344675]  ? mark_held_locks+0xc7/0x130
[  406.348828]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.353321]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.357817]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.362052]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.366650]  ? trace_hardirqs_on+0xbd/0x310
[  406.370977]  ? kasan_check_read+0x11/0x20
[  406.375128]  ? __run_timers+0x7da/0xc70
[  406.379104]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.384217]  ? tcp_compressed_ack_kick+0x220/0x220
[  406.389155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.393387]  __run_timers+0x7e5/0xc70
[  406.397200]  ? timer_fixup_init+0x70/0x70
[  406.401354]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  406.406375]  ? zap_class+0x640/0x640
[  406.410100]  ? print_usage_bug+0xc0/0xc0
[  406.414168]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  406.419368]  ? find_held_lock+0x36/0x1c0
[  406.423440]  ? zap_class+0x640/0x640
[  406.427164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.432708]  ? check_preemption_disabled+0x48/0x280
[  406.437734]  ? __lock_is_held+0xb5/0x140
[  406.441801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.447342]  ? check_preemption_disabled+0x48/0x280
[  406.452363]  run_timer_softirq+0x52/0xb0
[  406.456424]  ? rcu_read_lock_sched_held+0x14f/0x180
[  406.462225]  __do_softirq+0x308/0xb7e
[  406.466030]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  406.470546]  ? lock_downgrade+0x900/0x900
[  406.474719]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  406.479832]  ? pvclock_read_flags+0x160/0x160
[  406.484332]  ? lapic_next_event+0x5a/0x90
[  406.488489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.494035]  ? kvm_clock_read+0x18/0x30
[  406.498011]  ? kvm_sched_clock_read+0x9/0x20
[  406.502427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.507966]  ? check_preemption_disabled+0x48/0x280
[  406.512997]  irq_exit+0x17f/0x1c0
[  406.516481]  smp_apic_timer_interrupt+0x1cb/0x760
[  406.521328]  ? smp_reschedule_interrupt+0x109/0x650
[  406.526350]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.532235]  ? interrupt_entry+0xb5/0xc0
[  406.536303]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.541320]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.546341]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.551434]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.556452]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.561472]  ? task_prio+0x50/0x50
[  406.565015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.570557]  ? check_preemption_disabled+0x48/0x280
[  406.575579]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.580432]  apic_timer_interrupt+0xf/0x20
[  406.584661]  </IRQ>
[  406.586908] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  406.592100] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  406.610998] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  406.618704] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  406.625970] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  406.633235] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  406.640503] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  406.647771] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  406.655103]  retint_kernel+0x1b/0x2d
[  406.658819] RIP: 0010:dump_stack+0x358/0x39d
[  406.663246] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  406.682312] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  406.690023] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  406.697932] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  406.705202] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  406.712473] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  406.719742] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  406.727036]  ? dump_stack+0x34f/0x39d
[  406.730855]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.736057]  ? mark_held_locks+0x130/0x130
[  406.740293]  ? mark_held_locks+0x130/0x130
[  406.744534]  dump_header+0x27b/0xf72
[  406.748262]  ? pagefault_out_of_memory+0x197/0x197
[  406.753202]  ? __lock_acquire+0x62f/0x4c20
[  406.757455]  ? percpu_ref_get_many+0x240/0x240
[  406.762057]  ? print_usage_bug+0xc0/0xc0
[  406.766126]  ? zap_class+0x640/0x640
[  406.769844]  ? print_usage_bug+0xc0/0xc0
[  406.773910]  ? print_usage_bug+0xc0/0xc0
[  406.777975]  ? zap_class+0x640/0x640
[  406.781693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.787238]  ? find_held_lock+0x36/0x1c0
[  406.791312]  ? mark_held_locks+0xc7/0x130
[  406.795466]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.800571]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.805680]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.810285]  ? trace_hardirqs_on+0xbd/0x310
[  406.814607]  ? kasan_check_read+0x11/0x20
[  406.818763]  ? ___ratelimit+0x3b4/0x672
[  406.822742]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.827849]  ? trace_hardirqs_on+0x310/0x310
[  406.832262]  ? lock_downgrade+0x900/0x900
[  406.836414]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  406.841522]  ? ___ratelimit+0x3b9/0x672
[  406.845501]  ? idr_get_free+0xf70/0xf70
[  406.849496]  ? find_held_lock+0x36/0x1c0
[  406.853571]  oom_kill_process.cold.27+0x10/0x903
[  406.858367]  ? zap_class+0x640/0x640
[  406.862097]  ? check_preemption_disabled+0x48/0x280
[  406.867116]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.872059]  ? kasan_check_read+0x11/0x20
[  406.876205]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.881483]  ? oom_evaluate_task+0x540/0x540
[  406.885899]  ? find_held_lock+0x36/0x1c0
[  406.889971]  ? out_of_memory+0x974/0x1430
[  406.894126]  ? lock_downgrade+0x900/0x900
[  406.898278]  ? check_preemption_disabled+0x48/0x280
[  406.903303]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.908231]  ? kasan_check_read+0x11/0x20
[  406.912382]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.917664]  ? rcu_softirq_qs+0x20/0x20
[  406.921652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.927194]  ? oom_evaluate_task+0x302/0x540
[  406.931611]  out_of_memory+0xa84/0x1430
[  406.935604]  ? oom_killer_disable+0x3a0/0x3a0
[  406.940110]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  406.945044]  ? __ww_mutex_check_waiters+0x160/0x160
[  406.950079]  __alloc_pages_slowpath+0x2354/0x2e10
[  406.954953]  ? warn_alloc+0x120/0x120
[  406.958759]  ? mark_held_locks+0x130/0x130
[  406.963011]  ? find_get_entry+0xaae/0x1120
[  406.967259]  ? filemap_map_pages+0x1a20/0x1a20
[  406.971847]  ? zap_class+0x640/0x640
[  406.975571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.981113]  ? check_preemption_disabled+0x48/0x280
[  406.986130]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.991667]  ? should_fail+0x22d/0xd01
[  406.995565]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.000674]  ? zap_class+0x640/0x640
[  407.004417]  ? __lock_is_held+0xb5/0x140
[  407.008491]  ? mark_held_locks+0x130/0x130
[  407.012732]  ? lock_release+0xa00/0xa00
[  407.016707]  ? perf_trace_sched_process_exec+0x860/0x860
[  407.022158]  ? xa_load+0x2ba/0x460
[  407.025704]  ? lock_downgrade+0x900/0x900
[  407.029863]  ? __might_sleep+0x95/0x190
[  407.033851]  __alloc_pages_nodemask+0xa80/0xde0
[  407.038543]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  407.043560]  ? __page_cache_alloc+0x191/0x5c0
[  407.048055]  ? xa_load+0x2e1/0x460
[  407.051597]  ? xa_clear_mark+0x40/0x40
[  407.055497]  ? zap_class+0x640/0x640
[  407.059224]  ? zap_class+0x640/0x640
[  407.062937]  ? zap_class+0x640/0x640
[  407.066655]  ? __do_page_cache_readahead+0x663/0x810
[  407.071770]  ? find_held_lock+0x36/0x1c0
[  407.075842]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  407.081387]  alloc_pages_current+0x173/0x350
[  407.085808]  __page_cache_alloc+0x38c/0x5c0
[  407.090132]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.095066]  ? kasan_check_read+0x11/0x20
[  407.099215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.104586]  ? generic_perform_write+0x6a0/0x6a0
[  407.109344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.114892]  ? check_preemption_disabled+0x48/0x280
[  407.119924]  filemap_fault+0x1595/0x25f0
[  407.124000]  ? __lock_page_or_retry+0xa00/0xa00
[  407.128678]  ? mark_held_locks+0x130/0x130
[  407.132931]  ? filemap_map_pages+0xd6b/0x1a20
[  407.137429]  ? lock_downgrade+0x900/0x900
[  407.141578]  ? check_preemption_disabled+0x48/0x280
[  407.146602]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.151543]  ? kasan_check_read+0x11/0x20
[  407.155689]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.160965]  ? rcu_softirq_qs+0x20/0x20
[  407.164952]  ? filemap_map_pages+0xd92/0x1a20
[  407.169454]  ? __lock_acquire+0x62f/0x4c20
[  407.173697]  ? find_get_entries_tag+0x1400/0x1400
[  407.178562]  ? lock_acquire+0x1ed/0x520
[  407.182539]  ? ext4_filemap_fault+0x7a/0xad
[  407.186867]  ? lock_release+0xa00/0xa00
[  407.190849]  ? perf_trace_sched_process_exec+0x860/0x860
[  407.196304]  ? print_usage_bug+0xc0/0xc0
[  407.200370]  ? print_usage_bug+0xc0/0xc0
[  407.204447]  ? down_read+0x8d/0x120
[  407.208070]  ? ext4_filemap_fault+0x7a/0xad
[  407.212397]  ? __down_interruptible+0x700/0x700
[  407.217078]  ext4_filemap_fault+0x82/0xad
[  407.221228]  __do_fault+0x100/0x6b0
[  407.224864]  ? pmd_devmap_trans_unstable+0x220/0x220
[  407.229974]  ? mark_held_locks+0x130/0x130
[  407.234223]  ? mark_held_locks+0x130/0x130
[  407.238455]  ? __might_fault+0x12b/0x1e0
[  407.242523]  ? lock_downgrade+0x900/0x900
[  407.246678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.252223]  __handle_mm_fault+0x3ea0/0x5be0
[  407.256650]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  407.261501]  ? kasan_check_read+0x11/0x20
[  407.265657]  ? _copy_to_user+0xc8/0x110
[  407.269643]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.275218]  ? zap_class+0x640/0x640
[  407.278948]  ? zap_class+0x640/0x640
[  407.282669]  ? find_held_lock+0x36/0x1c0
[  407.286746]  ? handle_mm_fault+0x42a/0xc70
[  407.290982]  ? lock_downgrade+0x900/0x900
[  407.295133]  ? check_preemption_disabled+0x48/0x280
[  407.300155]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.305084]  ? kasan_check_read+0x11/0x20
[  407.309233]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.314508]  ? rcu_softirq_qs+0x20/0x20
[  407.318483]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.323588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.329131]  ? check_preemption_disabled+0x48/0x280
[  407.334157]  handle_mm_fault+0x54f/0xc70
[  407.338224]  ? __handle_mm_fault+0x5be0/0x5be0
[  407.342815]  ? find_vma+0x34/0x190
[  407.346362]  __do_page_fault+0x5e8/0xe60
[  407.350422]  ? trace_hardirqs_off+0xb8/0x310
[  407.354846]  do_page_fault+0xf2/0x7e0
[  407.358660]  ? vmalloc_sync_all+0x30/0x30
[  407.362810]  ? error_entry+0x70/0xd0
[  407.366530]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.371547]  ? trace_hardirqs_on_caller+0xc0/0x310
[  407.376476]  ? syscall_return_slowpath+0x5e0/0x5e0
[  407.381404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.386248]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.391268]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.396724]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  407.401746]  ? prepare_exit_to_usermode+0x291/0x3b0
[  407.406767]  ? page_fault+0x8/0x30
[  407.410315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.415159]  ? page_fault+0x8/0x30
[  407.418704]  page_fault+0x1e/0x30
[  407.422156] RIP: 0033:0x4375fe
[  407.425357] Code: Bad RIP value.
[  407.428717] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  407.434081] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  407.441352] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  407.448619] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  407.455903] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  407.463171] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  407.470462] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  407.470526] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.477395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.477400] Call Trace:
[  407.477420]  dump_stack+0x244/0x39d
[  407.477438]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.484004] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.493276]  warn_alloc.cold.116+0xb7/0x1bd
[  407.495831] syz-fuzzer cpuset=/ mems_allowed=0
[  407.499455]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.528545]  ? lock_downgrade+0x900/0x900
[  407.532706]  ? trace_hardirqs_off+0xb8/0x310
[  407.537123]  ? trace_hardirqs_off+0xb8/0x310
[  407.541539]  __alloc_pages_slowpath+0x26e8/0x2e10
[  407.546421]  ? warn_alloc+0x120/0x120
[  407.550226]  ? print_usage_bug+0xc0/0xc0
[  407.554294]  ? warn_alloc+0x120/0x120
[  407.558106]  ? warn_alloc+0x120/0x120
[  407.561907]  ? print_usage_bug+0xc0/0xc0
[  407.565979]  ? print_usage_bug+0xc0/0xc0
[  407.570045]  ? __lock_acquire+0x62f/0x4c20
[  407.574289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.579829]  ? should_fail+0x22d/0xd01
[  407.583724]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.588833]  ? __lock_acquire+0x62f/0x4c20
[  407.593077]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.598179]  ? __lock_acquire+0x62f/0x4c20
[  407.602420]  ? should_fail+0x22d/0xd01
[  407.606310]  ? find_held_lock+0x36/0x1c0
[  407.610399]  ? mark_held_locks+0x130/0x130
[  407.614647]  ? mark_held_locks+0x130/0x130
[  407.618883]  ? zap_class+0x640/0x640
[  407.622601]  ? mark_held_locks+0xc7/0x130
[  407.626754]  ? do_raw_spin_unlock+0xa7/0x330
[  407.631162]  ? zap_class+0x640/0x640
[  407.634890]  ? print_usage_bug+0xc0/0xc0
[  407.638956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.644494]  ? check_preemption_disabled+0x48/0x280
[  407.649518]  ? __lock_is_held+0xb5/0x140
[  407.653617]  __alloc_pages_nodemask+0xa80/0xde0
[  407.658296]  ? zap_class+0x640/0x640
[  407.662046]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  407.667079]  ? find_held_lock+0x36/0x1c0
[  407.671153]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.675825]  ? lock_downgrade+0x900/0x900
[  407.679982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.685544]  cache_grow_begin+0xa5/0x8c0
[  407.689610]  ? do_raw_spin_unlock+0xa7/0x330
[  407.694036]  fallback_alloc+0x204/0x2e0
[  407.698018]  ____cache_alloc_node+0x1c7/0x1e0
[  407.702525]  kmem_cache_alloc_node+0xe3/0x730
[  407.707026]  ? ipv6_get_ifaddr+0x42e/0x620
[  407.711271]  __alloc_skb+0x119/0x770
[  407.714989]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.720270]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.724682]  ? lock_downgrade+0x900/0x900
[  407.728840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.734376]  ? refcount_sub_and_test_checked+0x203/0x310
[  407.739879]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  407.745328]  ? addrconf_rs_timer+0x690/0x690
[  407.749754]  ndisc_alloc_skb+0x144/0x340
[  407.753821]  ndisc_send_rs+0x331/0x6e0
[  407.757718]  addrconf_rs_timer+0x314/0x690
[  407.761960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.766210]  call_timer_fn+0x272/0x920
[  407.770099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.774335]  ? process_timeout+0x40/0x40
[  407.778411]  ? __run_timers+0x7da/0xc70
[  407.782396]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.786890]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.791425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.795665]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.800255]  ? trace_hardirqs_on+0xbd/0x310
[  407.804590]  ? kasan_check_read+0x11/0x20
[  407.808745]  ? __run_timers+0x7da/0xc70
[  407.812725]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.817838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.822086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.826334]  __run_timers+0x7e5/0xc70
[  407.830159]  ? timer_fixup_init+0x70/0x70
[  407.834323]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.838829]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.843371]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.847971]  ? trace_hardirqs_on+0xbd/0x310
[  407.852305]  ? kasan_check_read+0x11/0x20
[  407.856477]  ? finish_task_switch+0x1f4/0x910
[  407.860993]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.866095]  ? compat_start_thread+0x80/0x80
[  407.870527]  ? pvclock_read_flags+0x160/0x160
[  407.875024]  ? __switch_to_asm+0x34/0x70
[  407.879088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.884637]  ? check_preemption_disabled+0x48/0x280
[  407.889670]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  407.895212]  ? rcu_pm_notify+0xc0/0xc0
[  407.899102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.904650]  ? check_preemption_disabled+0x48/0x280
[  407.909673]  run_timer_softirq+0x52/0xb0
[  407.913735]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.918756]  __do_softirq+0x308/0xb7e
[  407.922565]  ? trace_hardirqs_on_caller+0xc0/0x310
[  407.927500]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.932616]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.938086]  ? schedule+0x108/0x460
[  407.941716]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  407.946487]  ? trace_hardirqs_off+0xb8/0x310
[  407.950899]  ? smpboot_thread_fn+0x68b/0xa00
[  407.955315]  ? trace_hardirqs_on+0x310/0x310
[  407.959725]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.965264]  ? check_preemption_disabled+0x48/0x280
[  407.970286]  ? takeover_tasklets+0xa90/0xa90
[  407.974701]  run_ksoftirqd+0x5e/0x100
[  407.978506]  smpboot_thread_fn+0x68b/0xa00
[  407.982745]  ? sort_range+0x30/0x30
[  407.986373]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  407.991480]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.997022]  ? __kthread_parkme+0xfb/0x1a0
[  408.001264]  ? sort_range+0x30/0x30
[  408.004890]  kthread+0x35a/0x440
[  408.008262]  ? kthread_stop+0x900/0x900
[  408.012237]  ret_from_fork+0x3a/0x50
[  408.015975] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  408.015980] warn_alloc_show_mem: 1 callbacks suppressed
[  408.015987] Mem-Info:
[  408.022999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.028371] active_anon:56065 inactive_anon:190 isolated_anon:0
[  408.028371]  active_file:11 inactive_file:12 isolated_file:0
[  408.028371]  unevictable:0 dirty:0 writeback:0 unstable:0
[  408.028371]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  408.028371]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  408.028371]  free:13773 free_pcp:518 free_cma:0
[  408.030744] Call Trace:
[  408.040135] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  408.072980]  <IRQ>
[  408.075549] 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
[  408.103042]  dump_stack+0x244/0x39d
[  408.105168] lowmem_reserve[]: 0 2818 6321 6321
[  408.131275]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.134875] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  408.139476]  warn_alloc.cold.116+0xb7/0x1bd
[  408.144640] lowmem_reserve[]: 0 0 3503 3503
[  408.172137]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.176435] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  408.180751]  ? lock_downgrade+0x900/0x900
[  408.185566] lowmem_reserve[]: 0 0 0 0
[  408.214536]  ? trace_hardirqs_off+0xb8/0x310
[  408.218681] 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
[  408.222479]  ? trace_hardirqs_off+0xb8/0x310
[  408.226860] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  408.240390]  __alloc_pages_slowpath+0x26e8/0x2e10
[  408.244779] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  408.259974]  ? warn_alloc+0x120/0x120
[  408.264772] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  408.279670]  ? print_usage_bug+0xc0/0xc0
[  408.283465] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  408.292300]  ? warn_alloc+0x120/0x120
[  408.296343] 266 total pagecache pages
[  408.304917]  ? warn_alloc+0x120/0x120
[  408.308696] 0 pages in swap cache
[  408.312496]  ? print_usage_bug+0xc0/0xc0
[  408.316303] Swap cache stats: add 0, delete 0, find 0/0
[  408.319763]  ? kvm_clock_read+0x18/0x30
[  408.323800] Free swap  = 0kB
[  408.329156]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  408.333105] Total swap = 0kB
[  408.336117]  ? print_usage_bug+0xc0/0xc0
[  408.341112] 1965979 pages RAM
[  408.344126]  ? __lock_acquire+0x62f/0x4c20
[  408.348165] 0 pages HighMem/MovableOnly
[  408.351265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.355478] 342854 pages reserved
[  408.359446]  ? should_fail+0x22d/0xd01
[  408.364961] 0 pages cma reserved
[  408.368419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.372345] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.375648]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.375664]  ? __lock_acquire+0x62f/0x4c20
[  408.375682]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.380998] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.387431]  ? __lock_acquire+0x62f/0x4c20
[  408.392547] ksoftirqd/1 cpuset=/ mems_allowed=0
[  408.396775]  ? should_fail+0x22d/0xd01
[  408.424912]  ? rcu_irq_exit+0x1a2/0x390
[  408.428906]  ? mark_held_locks+0x130/0x130
[  408.433151]  ? mark_held_locks+0x130/0x130
[  408.437420]  ? mark_held_locks+0xc7/0x130
[  408.441587]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  408.446607]  ? zap_class+0x640/0x640
[  408.450327]  ? print_usage_bug+0xc0/0xc0
[  408.454408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.459951]  ? check_preemption_disabled+0x48/0x280
[  408.464981]  ? __lock_is_held+0xb5/0x140
[  408.469050]  __alloc_pages_nodemask+0xa80/0xde0
[  408.473719]  ? zap_class+0x640/0x640
[  408.477443]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.482490]  ? find_held_lock+0x36/0x1c0
[  408.486564]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.491234]  ? lock_downgrade+0x900/0x900
[  408.495394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.500971]  cache_grow_begin+0xa5/0x8c0
[  408.505033]  ? do_raw_spin_unlock+0xa7/0x330
[  408.509449]  fallback_alloc+0x204/0x2e0
[  408.513431]  ____cache_alloc_node+0x1c7/0x1e0
[  408.517948]  kmem_cache_alloc_node+0xe3/0x730
[  408.522487]  ? ipv6_get_ifaddr+0x42e/0x620
[  408.526735]  __alloc_skb+0x119/0x770
[  408.530447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.535728]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.540136]  ? lock_downgrade+0x900/0x900
[  408.544294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.550050]  ? refcount_sub_and_test_checked+0x203/0x310
[  408.555525]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  408.560974]  ? addrconf_rs_timer+0x690/0x690
[  408.565402]  ndisc_alloc_skb+0x144/0x340
[  408.569474]  ndisc_send_rs+0x331/0x6e0
[  408.573369]  addrconf_rs_timer+0x314/0x690
[  408.577609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.581869]  call_timer_fn+0x272/0x920
[  408.585768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.590005]  ? process_timeout+0x40/0x40
[  408.594081]  ? mark_held_locks+0xc7/0x130
[  408.598233]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.602727]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.607224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.611460]  ? lockdep_hardirqs_on+0x296/0x5b0
[  408.616063]  ? trace_hardirqs_on+0xbd/0x310
[  408.620396]  ? kasan_check_read+0x11/0x20
[  408.624546]  ? __run_timers+0x7da/0xc70
[  408.628527]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.633649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.637896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.642137]  __run_timers+0x7e5/0xc70
[  408.645950]  ? timer_fixup_init+0x70/0x70
[  408.650106]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  408.655128]  ? zap_class+0x640/0x640
[  408.658849]  ? print_usage_bug+0xc0/0xc0
[  408.662920]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  408.668118]  ? find_held_lock+0x36/0x1c0
[  408.672186]  ? zap_class+0x640/0x640
[  408.675914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.681645]  ? check_preemption_disabled+0x48/0x280
[  408.686675]  ? __lock_is_held+0xb5/0x140
[  408.690741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.696282]  ? check_preemption_disabled+0x48/0x280
[  408.701303]  run_timer_softirq+0x52/0xb0
[  408.705373]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.710393]  __do_softirq+0x308/0xb7e
[  408.714202]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  408.718697]  ? lock_downgrade+0x900/0x900
[  408.722854]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.727971]  ? pvclock_read_flags+0x160/0x160
[  408.732486]  ? lapic_next_event+0x5a/0x90
[  408.736656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.742201]  ? kvm_clock_read+0x18/0x30
[  408.746178]  ? kvm_sched_clock_read+0x9/0x20
[  408.750589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.756136]  ? check_preemption_disabled+0x48/0x280
[  408.761163]  irq_exit+0x17f/0x1c0
[  408.764622]  smp_apic_timer_interrupt+0x1cb/0x760
[  408.769477]  ? smp_reschedule_interrupt+0x109/0x650
[  408.774494]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.780380]  ? interrupt_entry+0xb5/0xc0
[  408.784444]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.789464]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.794481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.799325]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.804345]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.809357]  ? task_prio+0x50/0x50
[  408.812903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.818445]  ? check_preemption_disabled+0x48/0x280
[  408.823472]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.828325]  apic_timer_interrupt+0xf/0x20
[  408.832551]  </IRQ>
[  408.834796] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  408.839988] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  408.858892] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  408.866602] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  408.873882] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  408.881155] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  408.888423] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  408.895691] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  408.902992]  retint_kernel+0x1b/0x2d
[  408.906713] RIP: 0010:dump_stack+0x358/0x39d
[  408.911121] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  408.930021] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  408.937729] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  408.944998] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  408.952291] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  408.959596] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  408.966874] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  408.974162]  ? dump_stack+0x34f/0x39d
[  408.977976]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.983170]  ? mark_held_locks+0x130/0x130
[  408.987408]  ? mark_held_locks+0x130/0x130
[  408.991656]  dump_header+0x27b/0xf72
[  408.995384]  ? pagefault_out_of_memory+0x197/0x197
[  409.000323]  ? __lock_acquire+0x62f/0x4c20
[  409.004560]  ? percpu_ref_get_many+0x240/0x240
[  409.009150]  ? print_usage_bug+0xc0/0xc0
[  409.013222]  ? zap_class+0x640/0x640
[  409.016943]  ? print_usage_bug+0xc0/0xc0
[  409.021006]  ? print_usage_bug+0xc0/0xc0
[  409.025071]  ? zap_class+0x640/0x640
[  409.028792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.034334]  ? find_held_lock+0x36/0x1c0
[  409.038408]  ? mark_held_locks+0xc7/0x130
[  409.042562]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  409.047664]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  409.052794]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.057401]  ? trace_hardirqs_on+0xbd/0x310
[  409.061734]  ? kasan_check_read+0x11/0x20
[  409.065883]  ? ___ratelimit+0x3b4/0x672
[  409.069864]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.074973]  ? trace_hardirqs_on+0x310/0x310
[  409.079384]  ? lock_downgrade+0x900/0x900
[  409.083541]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  409.088666]  ? ___ratelimit+0x3b9/0x672
[  409.092653]  ? idr_get_free+0xf70/0xf70
[  409.096648]  ? find_held_lock+0x36/0x1c0
[  409.100721]  oom_kill_process.cold.27+0x10/0x903
[  409.105480]  ? zap_class+0x640/0x640
[  409.109202]  ? check_preemption_disabled+0x48/0x280
[  409.114225]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.119156]  ? kasan_check_read+0x11/0x20
[  409.123302]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.128579]  ? oom_evaluate_task+0x540/0x540
[  409.132998]  ? find_held_lock+0x36/0x1c0
[  409.137075]  ? out_of_memory+0x974/0x1430
[  409.141229]  ? lock_downgrade+0x900/0x900
[  409.145395]  ? check_preemption_disabled+0x48/0x280
[  409.150416]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.155350]  ? kasan_check_read+0x11/0x20
[  409.159502]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.164784]  ? rcu_softirq_qs+0x20/0x20
[  409.168768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.174302]  ? oom_evaluate_task+0x302/0x540
[  409.178736]  out_of_memory+0xa84/0x1430
[  409.182720]  ? oom_killer_disable+0x3a0/0x3a0
[  409.187218]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  409.192155]  ? __ww_mutex_check_waiters+0x160/0x160
[  409.197189]  __alloc_pages_slowpath+0x2354/0x2e10
[  409.202068]  ? warn_alloc+0x120/0x120
[  409.205872]  ? mark_held_locks+0x130/0x130
[  409.210118]  ? find_get_entry+0xaae/0x1120
[  409.214367]  ? filemap_map_pages+0x1a20/0x1a20
[  409.218957]  ? zap_class+0x640/0x640
[  409.222677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.228218]  ? check_preemption_disabled+0x48/0x280
[  409.233234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.238777]  ? should_fail+0x22d/0xd01
[  409.242670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.247776]  ? zap_class+0x640/0x640
[  409.251519]  ? __lock_is_held+0xb5/0x140
[  409.255590]  ? mark_held_locks+0x130/0x130
[  409.259865]  ? lock_release+0xa00/0xa00
[  409.263844]  ? perf_trace_sched_process_exec+0x860/0x860
[  409.269298]  ? xa_load+0x2ba/0x460
[  409.272845]  ? lock_downgrade+0x900/0x900
[  409.277004]  ? __might_sleep+0x95/0x190
[  409.280986]  __alloc_pages_nodemask+0xa80/0xde0
[  409.285667]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.290685]  ? __page_cache_alloc+0x191/0x5c0
[  409.295177]  ? xa_load+0x2e1/0x460
[  409.298719]  ? xa_clear_mark+0x40/0x40
[  409.302611]  ? zap_class+0x640/0x640
[  409.306340]  ? zap_class+0x640/0x640
[  409.310053]  ? zap_class+0x640/0x640
[  409.313766]  ? __do_page_cache_readahead+0x663/0x810
[  409.318876]  ? find_held_lock+0x36/0x1c0
[  409.322951]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  409.328497]  alloc_pages_current+0x173/0x350
[  409.332921]  __page_cache_alloc+0x38c/0x5c0
[  409.337247]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.342177]  ? kasan_check_read+0x11/0x20
[  409.346329]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.351613]  ? generic_perform_write+0x6a0/0x6a0
[  409.356380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.361925]  ? check_preemption_disabled+0x48/0x280
[  409.366954]  filemap_fault+0x1595/0x25f0
[  409.371033]  ? __lock_page_or_retry+0xa00/0xa00
[  409.375708]  ? mark_held_locks+0x130/0x130
[  409.379957]  ? filemap_map_pages+0xd6b/0x1a20
[  409.384458]  ? lock_downgrade+0x900/0x900
[  409.388605]  ? check_preemption_disabled+0x48/0x280
[  409.393645]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.398579]  ? kasan_check_read+0x11/0x20
[  409.402727]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.408006]  ? rcu_softirq_qs+0x20/0x20
[  409.412000]  ? filemap_map_pages+0xd92/0x1a20
[  409.416502]  ? __lock_acquire+0x62f/0x4c20
[  409.420749]  ? find_get_entries_tag+0x1400/0x1400
[  409.425614]  ? lock_acquire+0x1ed/0x520
[  409.429598]  ? ext4_filemap_fault+0x7a/0xad
[  409.433937]  ? lock_release+0xa00/0xa00
[  409.437920]  ? perf_trace_sched_process_exec+0x860/0x860
[  409.443372]  ? print_usage_bug+0xc0/0xc0
[  409.447438]  ? print_usage_bug+0xc0/0xc0
[  409.451518]  ? down_read+0x8d/0x120
[  409.455146]  ? ext4_filemap_fault+0x7a/0xad
[  409.459474]  ? __down_interruptible+0x700/0x700
[  409.464153]  ext4_filemap_fault+0x82/0xad
[  409.468308]  __do_fault+0x100/0x6b0
[  409.471959]  ? pmd_devmap_trans_unstable+0x220/0x220
[  409.477089]  ? mark_held_locks+0x130/0x130
[  409.481326]  ? mark_held_locks+0x130/0x130
[  409.485561]  ? __might_fault+0x12b/0x1e0
[  409.489677]  ? lock_downgrade+0x900/0x900
[  409.493833]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.499396]  __handle_mm_fault+0x3ea0/0x5be0
[  409.503817]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  409.508670]  ? kasan_check_read+0x11/0x20
[  409.512821]  ? _copy_to_user+0xc8/0x110
[  409.516831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.522403]  ? zap_class+0x640/0x640
[  409.526117]  ? zap_class+0x640/0x640
[  409.529844]  ? find_held_lock+0x36/0x1c0
[  409.533925]  ? handle_mm_fault+0x42a/0xc70
[  409.538164]  ? lock_downgrade+0x900/0x900
[  409.542315]  ? check_preemption_disabled+0x48/0x280
[  409.547337]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.552265]  ? kasan_check_read+0x11/0x20
[  409.556455]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.561750]  ? rcu_softirq_qs+0x20/0x20
[  409.565728]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.570833]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.576372]  ? check_preemption_disabled+0x48/0x280
[  409.581396]  handle_mm_fault+0x54f/0xc70
[  409.585479]  ? __handle_mm_fault+0x5be0/0x5be0
[  409.590071]  ? find_vma+0x34/0x190
[  409.593618]  __do_page_fault+0x5e8/0xe60
[  409.597689]  ? trace_hardirqs_off+0xb8/0x310
[  409.602112]  do_page_fault+0xf2/0x7e0
[  409.605923]  ? vmalloc_sync_all+0x30/0x30
[  409.610078]  ? error_entry+0x70/0xd0
[  409.613793]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.618814]  ? trace_hardirqs_on_caller+0xc0/0x310
[  409.623745]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.628677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.633527]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.638545]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  409.644002]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  409.649022]  ? prepare_exit_to_usermode+0x291/0x3b0
[  409.654037]  ? page_fault+0x8/0x30
[  409.657695]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.662542]  ? page_fault+0x8/0x30
[  409.666089]  page_fault+0x1e/0x30
[  409.669546] RIP: 0033:0x4375fe
[  409.672751] Code: Bad RIP value.
[  409.676114] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  409.681474] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  409.688742] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  409.696011] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  409.703277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  409.710543] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  409.717836] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  409.717908] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  409.724775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.724780] Call Trace:
[  409.724800]  dump_stack+0x244/0x39d
[  409.724822]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.731391] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.740690]  warn_alloc.cold.116+0xb7/0x1bd
[  409.743259] syz-fuzzer cpuset=/ mems_allowed=0
[  409.746881]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.775972]  ? lock_downgrade+0x900/0x900
[  409.780135]  ? trace_hardirqs_off+0xb8/0x310
[  409.784550]  ? trace_hardirqs_off+0xb8/0x310
[  409.788970]  __alloc_pages_slowpath+0x26e8/0x2e10
[  409.793849]  ? warn_alloc+0x120/0x120
[  409.797664]  ? print_usage_bug+0xc0/0xc0
[  409.801730]  ? warn_alloc+0x120/0x120
[  409.805536]  ? warn_alloc+0x120/0x120
[  409.809340]  ? print_usage_bug+0xc0/0xc0
[  409.813414]  ? print_usage_bug+0xc0/0xc0
[  409.817478]  ? __lock_acquire+0x62f/0x4c20
[  409.821724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.827266]  ? should_fail+0x22d/0xd01
[  409.831161]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.836363]  ? __lock_acquire+0x62f/0x4c20
[  409.840605]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.845729]  ? __lock_acquire+0x62f/0x4c20
[  409.849965]  ? should_fail+0x22d/0xd01
[  409.853857]  ? find_held_lock+0x36/0x1c0
[  409.857928]  ? mark_held_locks+0x130/0x130
[  409.862174]  ? mark_held_locks+0x130/0x130
[  409.866437]  ? zap_class+0x640/0x640
[  409.870153]  ? zap_class+0x640/0x640
[  409.873873]  ? print_usage_bug+0xc0/0xc0
[  409.877941]  ? do_raw_spin_unlock+0xa7/0x330
[  409.882351]  ? zap_class+0x640/0x640
[  409.886070]  ? print_usage_bug+0xc0/0xc0
[  409.890135]  ? wq_watchdog_touch+0x9c/0xfe
[  409.894397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.899935]  ? check_preemption_disabled+0x48/0x280
[  409.904967]  ? __lock_is_held+0xb5/0x140
[  409.909037]  __alloc_pages_nodemask+0xa80/0xde0
[  409.913708]  ? zap_class+0x640/0x640
[  409.917459]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.922518]  ? find_held_lock+0x36/0x1c0
[  409.926591]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.931268]  ? lock_downgrade+0x900/0x900
[  409.935461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.941004]  cache_grow_begin+0xa5/0x8c0
[  409.945068]  ? do_raw_spin_unlock+0xa7/0x330
[  409.949486]  fallback_alloc+0x204/0x2e0
[  409.953471]  ____cache_alloc_node+0x1c7/0x1e0
[  409.957973]  kmem_cache_alloc_node+0xe3/0x730
[  409.962472]  ? ipv6_get_ifaddr+0x42e/0x620
[  409.966723]  __alloc_skb+0x119/0x770
[  409.970435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.975734]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.980147]  ? lock_downgrade+0x900/0x900
[  409.984306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.989845]  ? refcount_sub_and_test_checked+0x203/0x310
[  409.995305]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.000756]  ? addrconf_rs_timer+0x690/0x690
[  410.005178]  ndisc_alloc_skb+0x144/0x340
[  410.009245]  ndisc_send_rs+0x331/0x6e0
[  410.013141]  addrconf_rs_timer+0x314/0x690
[  410.017392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.021652]  call_timer_fn+0x272/0x920
[  410.025541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.029777]  ? process_timeout+0x40/0x40
[  410.033847]  ? __run_timers+0x7da/0xc70
[  410.037825]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.042325]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.046821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.051056]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.055653]  ? trace_hardirqs_on+0xbd/0x310
[  410.059984]  ? kasan_check_read+0x11/0x20
[  410.064132]  ? __run_timers+0x7da/0xc70
[  410.068113]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.073224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.077469]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.081703]  __run_timers+0x7e5/0xc70
[  410.085515]  ? timer_fixup_init+0x70/0x70
[  410.089665]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.094159]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.098663]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.103249]  ? trace_hardirqs_on+0xbd/0x310
[  410.107569]  ? kasan_check_read+0x11/0x20
[  410.111720]  ? finish_task_switch+0x1f4/0x910
[  410.116217]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.121323]  ? compat_start_thread+0x80/0x80
[  410.125771]  ? pvclock_read_flags+0x160/0x160
[  410.130282]  ? __switch_to_asm+0x34/0x70
[  410.134347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.139886]  ? check_preemption_disabled+0x48/0x280
[  410.144918]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  410.150462]  ? rcu_pm_notify+0xc0/0xc0
[  410.154356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.159899]  ? check_preemption_disabled+0x48/0x280
[  410.164923]  run_timer_softirq+0x52/0xb0
[  410.168987]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.174009]  __do_softirq+0x308/0xb7e
[  410.177818]  ? trace_hardirqs_on_caller+0xc0/0x310
[  410.182760]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.187863]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  410.193326]  ? schedule+0x108/0x460
[  410.196952]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  410.201724]  ? trace_hardirqs_off+0xb8/0x310
[  410.206134]  ? smpboot_thread_fn+0x68b/0xa00
[  410.210564]  ? trace_hardirqs_on+0x310/0x310
[  410.214976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.220516]  ? check_preemption_disabled+0x48/0x280
[  410.225536]  ? takeover_tasklets+0xa90/0xa90
[  410.229948]  run_ksoftirqd+0x5e/0x100
[  410.233749]  smpboot_thread_fn+0x68b/0xa00
[  410.237993]  ? sort_range+0x30/0x30
[  410.241620]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  410.246737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.252279]  ? __kthread_parkme+0xfb/0x1a0
[  410.256516]  ? sort_range+0x30/0x30
[  410.260147]  kthread+0x35a/0x440
[  410.263521]  ? kthread_stop+0x900/0x900
[  410.267515]  ret_from_fork+0x3a/0x50
[  410.271248] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  410.271253] warn_alloc_show_mem: 1 callbacks suppressed
[  410.271260] Mem-Info:
[  410.278315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.283694] active_anon:56065 inactive_anon:190 isolated_anon:0
[  410.283694]  active_file:11 inactive_file:12 isolated_file:0
[  410.283694]  unevictable:0 dirty:0 writeback:0 unstable:0
[  410.283694]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  410.283694]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  410.283694]  free:13773 free_pcp:518 free_cma:0
[  410.286065] Call Trace:
[  410.295456] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  410.328343]  <IRQ>
[  410.330927] 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
[  410.358417]  dump_stack+0x244/0x39d
[  410.360539] lowmem_reserve[]: 0 2818 6321 6321
[  410.386649]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.390251] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  410.394837]  warn_alloc.cold.116+0xb7/0x1bd
[  410.399994] lowmem_reserve[]: 0 0 3503 3503
[  410.427486]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.431784] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  410.436100]  ? lock_downgrade+0x900/0x900
[  410.440913] lowmem_reserve[]: 0 0 0 0
[  410.469884]  ? trace_hardirqs_off+0xb8/0x310
[  410.474003] 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
[  410.477807]  ? trace_hardirqs_off+0xb8/0x310
[  410.482187] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  410.495710]  __alloc_pages_slowpath+0x26e8/0x2e10
[  410.500087] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  410.515276]  ? warn_alloc+0x120/0x120
[  410.520081] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  410.534981]  ? print_usage_bug+0xc0/0xc0
[  410.538761] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  410.547635]  ? warn_alloc+0x120/0x120
[  410.551875] 266 total pagecache pages
[  410.560450]  ? warn_alloc+0x120/0x120
[  410.564228] 0 pages in swap cache
[  410.568018]  ? print_usage_bug+0xc0/0xc0
[  410.571796] Swap cache stats: add 0, delete 0, find 0/0
[  410.575242]  ? print_usage_bug+0xc0/0xc0
[  410.579281] Free swap  = 0kB
[  410.584645]  ? __lock_acquire+0x62f/0x4c20
[  410.588679] Total swap = 0kB
[  410.591693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.595899] 1965979 pages RAM
[  410.598916]  ? should_fail+0x22d/0xd01
[  410.604426] 0 pages HighMem/MovableOnly
[  410.607525]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.611405] 342854 pages reserved
[  410.615372]  ? __lock_acquire+0x62f/0x4c20
[  410.620468] 0 pages cma reserved
[  410.623925]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.628235] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.631507]  ? __lock_acquire+0x62f/0x4c20
[  410.631524]  ? should_fail+0x22d/0xd01
[  410.636699] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.643102]  ? find_held_lock+0x36/0x1c0
[  410.647327] ksoftirqd/1 cpuset=/ mems_allowed=0
[  410.651228]  ? mark_held_locks+0x130/0x130
[  410.674435]  ? mark_held_locks+0x130/0x130
[  410.678673]  ? zap_class+0x640/0x640
[  410.682568]  ? zap_class+0x640/0x640
[  410.686318]  ? print_usage_bug+0xc0/0xc0
[  410.690380]  ? do_raw_spin_unlock+0xa7/0x330
[  410.694789]  ? zap_class+0x640/0x640
[  410.698506]  ? print_usage_bug+0xc0/0xc0
[  410.702571]  ? wq_watchdog_touch+0x9c/0xfe
[  410.706815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.712354]  ? check_preemption_disabled+0x48/0x280
[  410.717440]  ? __lock_is_held+0xb5/0x140
[  410.721524]  __alloc_pages_nodemask+0xa80/0xde0
[  410.726197]  ? zap_class+0x640/0x640
[  410.729922]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  410.734951]  ? find_held_lock+0x36/0x1c0
[  410.739044]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.743716]  ? lock_downgrade+0x900/0x900
[  410.747877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.753427]  cache_grow_begin+0xa5/0x8c0
[  410.757487]  ? do_raw_spin_unlock+0xa7/0x330
[  410.761927]  fallback_alloc+0x204/0x2e0
[  410.765918]  ____cache_alloc_node+0x1c7/0x1e0
[  410.770467]  kmem_cache_alloc_node+0xe3/0x730
[  410.774974]  ? ipv6_get_ifaddr+0x42e/0x620
[  410.779222]  __alloc_skb+0x119/0x770
[  410.782938]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.788225]  ? netdev_alloc_frag+0x1f0/0x1f0
[  410.792641]  ? lock_downgrade+0x900/0x900
[  410.796799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.802338]  ? refcount_sub_and_test_checked+0x203/0x310
[  410.807808]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.813264]  ? addrconf_rs_timer+0x690/0x690
[  410.817686]  ndisc_alloc_skb+0x144/0x340
[  410.821757]  ndisc_send_rs+0x331/0x6e0
[  410.825660]  addrconf_rs_timer+0x314/0x690
[  410.829912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.834161]  call_timer_fn+0x272/0x920
[  410.838057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.842291]  ? process_timeout+0x40/0x40
[  410.846375]  ? mark_held_locks+0xc7/0x130
[  410.850537]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.855031]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.859524]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.863762]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.868352]  ? trace_hardirqs_on+0xbd/0x310
[  410.872672]  ? kasan_check_read+0x11/0x20
[  410.876820]  ? __run_timers+0x7da/0xc70
[  410.880803]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.885919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.890160]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.894426]  __run_timers+0x7e5/0xc70
[  410.898271]  ? timer_fixup_init+0x70/0x70
[  410.902425]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  410.907444]  ? zap_class+0x640/0x640
[  410.911163]  ? print_usage_bug+0xc0/0xc0
[  410.915228]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  410.920425]  ? find_held_lock+0x36/0x1c0
[  410.924492]  ? zap_class+0x640/0x640
[  410.928213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.933757]  ? check_preemption_disabled+0x48/0x280
[  410.938786]  ? __lock_is_held+0xb5/0x140
[  410.942853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.948394]  ? check_preemption_disabled+0x48/0x280
[  410.953420]  run_timer_softirq+0x52/0xb0
[  410.957481]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.962498]  __do_softirq+0x308/0xb7e
[  410.966307]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.970801]  ? lock_downgrade+0x900/0x900
[  410.974954]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.980072]  ? pvclock_read_flags+0x160/0x160
[  410.984572]  ? lapic_next_event+0x5a/0x90
[  410.988724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.994272]  ? kvm_clock_read+0x18/0x30
[  410.998250]  ? kvm_sched_clock_read+0x9/0x20
[  411.002669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.008208]  ? check_preemption_disabled+0x48/0x280
[  411.013237]  irq_exit+0x17f/0x1c0
[  411.016697]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.021538]  ? smp_reschedule_interrupt+0x109/0x650
[  411.026558]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.032442]  ? interrupt_entry+0xb5/0xc0
[  411.036508]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.041523]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.046539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.051386]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.056403]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.061421]  ? task_prio+0x50/0x50
[  411.064972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.070515]  ? check_preemption_disabled+0x48/0x280
[  411.075543]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.080399]  apic_timer_interrupt+0xf/0x20
[  411.084662]  </IRQ>
[  411.086910] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  411.092100] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  411.111001] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  411.118709] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  411.125979] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  411.133260] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  411.140543] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  411.147813] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  411.155113]  retint_kernel+0x1b/0x2d
[  411.158828] RIP: 0010:dump_stack+0x358/0x39d
[  411.163237] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  411.182165] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  411.189892] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  411.197163] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  411.204436] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  411.211701] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  411.218966] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  411.226251]  ? dump_stack+0x34f/0x39d
[  411.230067]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.235275]  ? mark_held_locks+0x130/0x130
[  411.239509]  ? mark_held_locks+0x130/0x130
[  411.243751]  dump_header+0x27b/0xf72
[  411.247483]  ? pagefault_out_of_memory+0x197/0x197
[  411.252422]  ? __lock_acquire+0x62f/0x4c20
[  411.256663]  ? percpu_ref_get_many+0x240/0x240
[  411.261250]  ? print_usage_bug+0xc0/0xc0
[  411.265330]  ? zap_class+0x640/0x640
[  411.269049]  ? print_usage_bug+0xc0/0xc0
[  411.273117]  ? print_usage_bug+0xc0/0xc0
[  411.277181]  ? zap_class+0x640/0x640
[  411.280910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.286453]  ? find_held_lock+0x36/0x1c0
[  411.290565]  ? mark_held_locks+0xc7/0x130
[  411.294729]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.299841]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.304949]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.309552]  ? trace_hardirqs_on+0xbd/0x310
[  411.313896]  ? kasan_check_read+0x11/0x20
[  411.318044]  ? ___ratelimit+0x3b4/0x672
[  411.322020]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.327127]  ? trace_hardirqs_on+0x310/0x310
[  411.331541]  ? lock_downgrade+0x900/0x900
[  411.335697]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.340800]  ? ___ratelimit+0x3b9/0x672
[  411.344793]  ? idr_get_free+0xf70/0xf70
[  411.348766]  ? find_held_lock+0x36/0x1c0
[  411.352839]  oom_kill_process.cold.27+0x10/0x903
[  411.357598]  ? zap_class+0x640/0x640
[  411.361319]  ? check_preemption_disabled+0x48/0x280
[  411.366341]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.371273]  ? kasan_check_read+0x11/0x20
[  411.375424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.380720]  ? oom_evaluate_task+0x540/0x540
[  411.385135]  ? find_held_lock+0x36/0x1c0
[  411.389204]  ? out_of_memory+0x974/0x1430
[  411.393399]  ? lock_downgrade+0x900/0x900
[  411.397546]  ? check_preemption_disabled+0x48/0x280
[  411.402571]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.407501]  ? kasan_check_read+0x11/0x20
[  411.411654]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.416930]  ? rcu_softirq_qs+0x20/0x20
[  411.420913]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.426448]  ? oom_evaluate_task+0x302/0x540
[  411.430864]  out_of_memory+0xa84/0x1430
[  411.434855]  ? oom_killer_disable+0x3a0/0x3a0
[  411.439358]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  411.444295]  ? __ww_mutex_check_waiters+0x160/0x160
[  411.449325]  __alloc_pages_slowpath+0x2354/0x2e10
[  411.454202]  ? warn_alloc+0x120/0x120
[  411.458003]  ? mark_held_locks+0x130/0x130
[  411.462247]  ? find_get_entry+0xaae/0x1120
[  411.466508]  ? filemap_map_pages+0x1a20/0x1a20
[  411.471094]  ? zap_class+0x640/0x640
[  411.474819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.480362]  ? check_preemption_disabled+0x48/0x280
[  411.485380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.490918]  ? should_fail+0x22d/0xd01
[  411.494818]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.499923]  ? zap_class+0x640/0x640
[  411.503674]  ? __lock_is_held+0xb5/0x140
[  411.507747]  ? mark_held_locks+0x130/0x130
[  411.511986]  ? lock_release+0xa00/0xa00
[  411.515968]  ? perf_trace_sched_process_exec+0x860/0x860
[  411.521425]  ? xa_load+0x2ba/0x460
[  411.524967]  ? lock_downgrade+0x900/0x900
[  411.529122]  ? __might_sleep+0x95/0x190
[  411.533108]  __alloc_pages_nodemask+0xa80/0xde0
[  411.537790]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.542810]  ? __page_cache_alloc+0x191/0x5c0
[  411.547389]  ? xa_load+0x2e1/0x460
[  411.550934]  ? xa_clear_mark+0x40/0x40
[  411.554827]  ? zap_class+0x640/0x640
[  411.558553]  ? zap_class+0x640/0x640
[  411.562267]  ? zap_class+0x640/0x640
[  411.565987]  ? __do_page_cache_readahead+0x663/0x810
[  411.571095]  ? find_held_lock+0x36/0x1c0
[  411.575165]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  411.580714]  alloc_pages_current+0x173/0x350
[  411.585135]  __page_cache_alloc+0x38c/0x5c0
[  411.589465]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.594409]  ? kasan_check_read+0x11/0x20
[  411.598577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.603910]  ? generic_perform_write+0x6a0/0x6a0
[  411.608669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.614210]  ? check_preemption_disabled+0x48/0x280
[  411.619235]  filemap_fault+0x1595/0x25f0
[  411.623343]  ? __lock_page_or_retry+0xa00/0xa00
[  411.628015]  ? mark_held_locks+0x130/0x130
[  411.632275]  ? filemap_map_pages+0xd6b/0x1a20
[  411.636768]  ? lock_downgrade+0x900/0x900
[  411.640921]  ? check_preemption_disabled+0x48/0x280
[  411.645946]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.650880]  ? kasan_check_read+0x11/0x20
[  411.655033]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.660309]  ? rcu_softirq_qs+0x20/0x20
[  411.664297]  ? filemap_map_pages+0xd92/0x1a20
[  411.668797]  ? __lock_acquire+0x62f/0x4c20
[  411.673043]  ? find_get_entries_tag+0x1400/0x1400
[  411.677913]  ? lock_acquire+0x1ed/0x520
[  411.681898]  ? ext4_filemap_fault+0x7a/0xad
[  411.686229]  ? lock_release+0xa00/0xa00
[  411.690209]  ? perf_trace_sched_process_exec+0x860/0x860
[  411.695667]  ? print_usage_bug+0xc0/0xc0
[  411.699732]  ? print_usage_bug+0xc0/0xc0
[  411.703807]  ? down_read+0x8d/0x120
[  411.707432]  ? ext4_filemap_fault+0x7a/0xad
[  411.711758]  ? __down_interruptible+0x700/0x700
[  411.716442]  ext4_filemap_fault+0x82/0xad
[  411.720596]  __do_fault+0x100/0x6b0
[  411.724238]  ? pmd_devmap_trans_unstable+0x220/0x220
[  411.729369]  ? mark_held_locks+0x130/0x130
[  411.733621]  ? mark_held_locks+0x130/0x130
[  411.737866]  ? __might_fault+0x12b/0x1e0
[  411.741936]  ? lock_downgrade+0x900/0x900
[  411.746091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.751642]  __handle_mm_fault+0x3ea0/0x5be0
[  411.756092]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  411.760947]  ? kasan_check_read+0x11/0x20
[  411.765128]  ? _copy_to_user+0xc8/0x110
[  411.769108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.774674]  ? zap_class+0x640/0x640
[  411.778426]  ? zap_class+0x640/0x640
[  411.782151]  ? find_held_lock+0x36/0x1c0
[  411.786223]  ? handle_mm_fault+0x42a/0xc70
[  411.790505]  ? lock_downgrade+0x900/0x900
[  411.794666]  ? check_preemption_disabled+0x48/0x280
[  411.799686]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.804617]  ? kasan_check_read+0x11/0x20
[  411.808776]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.814052]  ? rcu_softirq_qs+0x20/0x20
[  411.818027]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.823149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.828691]  ? check_preemption_disabled+0x48/0x280
[  411.833728]  handle_mm_fault+0x54f/0xc70
[  411.837794]  ? __handle_mm_fault+0x5be0/0x5be0
[  411.842380]  ? find_vma+0x34/0x190
[  411.845946]  __do_page_fault+0x5e8/0xe60
[  411.850009]  ? trace_hardirqs_off+0xb8/0x310
[  411.854434]  do_page_fault+0xf2/0x7e0
[  411.858241]  ? vmalloc_sync_all+0x30/0x30
[  411.862390]  ? error_entry+0x70/0xd0
[  411.866109]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.871132]  ? trace_hardirqs_on_caller+0xc0/0x310
[  411.876061]  ? syscall_return_slowpath+0x5e0/0x5e0
[  411.880984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.885831]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.890849]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  411.896305]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  411.901326]  ? prepare_exit_to_usermode+0x291/0x3b0
[  411.906352]  ? page_fault+0x8/0x30
[  411.909929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.914779]  ? page_fault+0x8/0x30
[  411.918319]  page_fault+0x1e/0x30
[  411.921769] RIP: 0033:0x4375fe
[  411.924971] Code: Bad RIP value.
[  411.928330] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  411.933691] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  411.940964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  411.948246] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  411.955514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  411.962785] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  411.970079] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  411.970157] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  411.977027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.977032] Call Trace:
[  411.977051]  dump_stack+0x244/0x39d
[  411.977073]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.983641] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.992906]  warn_alloc.cold.116+0xb7/0x1bd
[  411.995464] syz-fuzzer cpuset=/ mems_allowed=0
[  411.999084]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.028164]  ? lock_downgrade+0x900/0x900
[  412.032321]  ? trace_hardirqs_off+0xb8/0x310
[  412.036753]  ? trace_hardirqs_off+0xb8/0x310
[  412.041176]  __alloc_pages_slowpath+0x26e8/0x2e10
[  412.046053]  ? warn_alloc+0x120/0x120
[  412.049858]  ? print_usage_bug+0xc0/0xc0
[  412.053922]  ? warn_alloc+0x120/0x120
[  412.057729]  ? warn_alloc+0x120/0x120
[  412.061547]  ? print_usage_bug+0xc0/0xc0
[  412.065654]  ? print_usage_bug+0xc0/0xc0
[  412.069723]  ? __lock_acquire+0x62f/0x4c20
[  412.073970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.079508]  ? should_fail+0x22d/0xd01
[  412.083412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.088522]  ? __lock_acquire+0x62f/0x4c20
[  412.092763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.097868]  ? __lock_acquire+0x62f/0x4c20
[  412.102104]  ? should_fail+0x22d/0xd01
[  412.105991]  ? find_held_lock+0x36/0x1c0
[  412.110070]  ? mark_held_locks+0x130/0x130
[  412.114323]  ? mark_held_locks+0x130/0x130
[  412.118556]  ? zap_class+0x640/0x640
[  412.122311]  ? mark_held_locks+0xc7/0x130
[  412.126456]  ? do_raw_spin_unlock+0xa7/0x330
[  412.130867]  ? zap_class+0x640/0x640
[  412.134583]  ? print_usage_bug+0xc0/0xc0
[  412.138655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.144215]  ? check_preemption_disabled+0x48/0x280
[  412.149240]  ? __lock_is_held+0xb5/0x140
[  412.153308]  __alloc_pages_nodemask+0xa80/0xde0
[  412.157982]  ? zap_class+0x640/0x640
[  412.161703]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  412.166733]  ? find_held_lock+0x36/0x1c0
[  412.170807]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.175478]  ? lock_downgrade+0x900/0x900
[  412.179675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.185219]  cache_grow_begin+0xa5/0x8c0
[  412.189284]  ? do_raw_spin_unlock+0xa7/0x330
[  412.193706]  fallback_alloc+0x204/0x2e0
[  412.197694]  ____cache_alloc_node+0x1c7/0x1e0
[  412.202206]  kmem_cache_alloc_node+0xe3/0x730
[  412.206746]  ? ipv6_get_ifaddr+0x42e/0x620
[  412.210992]  __alloc_skb+0x119/0x770
[  412.214706]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.220003]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.224417]  ? lock_downgrade+0x900/0x900
[  412.228574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.234116]  ? refcount_sub_and_test_checked+0x203/0x310
[  412.239572]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  412.245025]  ? addrconf_rs_timer+0x690/0x690
[  412.249451]  ndisc_alloc_skb+0x144/0x340
[  412.253518]  ndisc_send_rs+0x331/0x6e0
[  412.257417]  addrconf_rs_timer+0x314/0x690
[  412.261665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.265916]  call_timer_fn+0x272/0x920
[  412.269807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.274046]  ? process_timeout+0x40/0x40
[  412.278119]  ? __run_timers+0x7da/0xc70
[  412.282100]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.286596]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.291098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.295339]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.299923]  ? trace_hardirqs_on+0xbd/0x310
[  412.304264]  ? kasan_check_read+0x11/0x20
[  412.308413]  ? __run_timers+0x7da/0xc70
[  412.312395]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.317504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.321750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.325983]  __run_timers+0x7e5/0xc70
[  412.329810]  ? timer_fixup_init+0x70/0x70
[  412.333960]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.338456]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.342968]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.347552]  ? trace_hardirqs_on+0xbd/0x310
[  412.351876]  ? kasan_check_read+0x11/0x20
[  412.356029]  ? finish_task_switch+0x1f4/0x910
[  412.360529]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.365644]  ? compat_start_thread+0x80/0x80
[  412.370084]  ? pvclock_read_flags+0x160/0x160
[  412.374577]  ? __switch_to_asm+0x34/0x70
[  412.378665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.384205]  ? check_preemption_disabled+0x48/0x280
[  412.389235]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  412.394779]  ? rcu_pm_notify+0xc0/0xc0
[  412.398674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.404214]  ? check_preemption_disabled+0x48/0x280
[  412.409239]  run_timer_softirq+0x52/0xb0
[  412.413303]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.418326]  __do_softirq+0x308/0xb7e
[  412.422132]  ? trace_hardirqs_on_caller+0xc0/0x310
[  412.427065]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.432171]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  412.437640]  ? schedule+0x108/0x460
[  412.441272]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  412.446041]  ? trace_hardirqs_off+0xb8/0x310
[  412.450456]  ? smpboot_thread_fn+0x68b/0xa00
[  412.454869]  ? trace_hardirqs_on+0x310/0x310
[  412.459280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.464820]  ? check_preemption_disabled+0x48/0x280
[  412.469838]  ? takeover_tasklets+0xa90/0xa90
[  412.474252]  run_ksoftirqd+0x5e/0x100
[  412.478056]  smpboot_thread_fn+0x68b/0xa00
[  412.482296]  ? sort_range+0x30/0x30
[  412.485928]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  412.491031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.496573]  ? __kthread_parkme+0xfb/0x1a0
[  412.500811]  ? sort_range+0x30/0x30
[  412.504444]  kthread+0x35a/0x440
[  412.507812]  ? kthread_stop+0x900/0x900
[  412.511793]  ret_from_fork+0x3a/0x50
[  412.515521] warn_alloc_show_mem: 1 callbacks suppressed
[  412.515533] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  412.515535] Mem-Info:
[  412.515574] active_anon:56065 inactive_anon:190 isolated_anon:0
[  412.515574]  active_file:11 inactive_file:12 isolated_file:0
[  412.515574]  unevictable:0 dirty:0 writeback:0 unstable:0
[  412.515574]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  412.515574]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  412.515574]  free:13773 free_pcp:518 free_cma:0
[  412.520932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.527949] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  412.530371] Call Trace:
[  412.563428] 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
[  412.572778]  <IRQ>
[  412.600272] lowmem_reserve[]: 0 2818 6321 6321
[  412.602857]  dump_stack+0x244/0x39d
[  412.628941] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  412.631086]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.635650] lowmem_reserve[]: 0 0 3503 3503
[  412.639282]  warn_alloc.cold.116+0xb7/0x1bd
[  412.666746] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  412.671932]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.676230] lowmem_reserve[]: 0 0 0 0
[  412.680550]  ? lock_downgrade+0x900/0x900
[  412.710011] 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
[  412.714862]  ? trace_hardirqs_off+0xb8/0x310
[  412.718639] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  412.722790]  ? trace_hardirqs_off+0xb8/0x310
[  412.736289] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  412.740695]  __alloc_pages_slowpath+0x26e8/0x2e10
[  412.755846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  412.760264]  ? warn_alloc+0x120/0x120
[  412.775134] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  412.779966]  ? print_usage_bug+0xc0/0xc0
[  412.788775] 266 total pagecache pages
[  412.792617]  ? warn_alloc+0x120/0x120
[  412.801182] 0 pages in swap cache
[  412.805236]  ? warn_alloc+0x120/0x120
[  412.809012] Swap cache stats: add 0, delete 0, find 0/0
[  412.812804]  ? print_usage_bug+0xc0/0xc0
[  412.816232] Free swap  = 0kB
[  412.820041]  ? kvm_clock_read+0x18/0x30
[  412.825379] Total swap = 0kB
[  412.829449]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  412.832442] 1965979 pages RAM
[  412.836409]  ? print_usage_bug+0xc0/0xc0
[  412.839410] 0 pages HighMem/MovableOnly
[  412.844419]  ? __lock_acquire+0x62f/0x4c20
[  412.847500] 342854 pages reserved
[  412.851573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.855553] 0 pages cma reserved
[  412.859785]  ? should_fail+0x22d/0xd01
[  412.863280] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  412.868738]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.868757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.872213] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.876006]  ? __lock_acquire+0x62f/0x4c20
[  412.882506] ksoftirqd/1 cpuset=/ mems_allowed=0
[  412.887780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.917124]  ? __lock_acquire+0x62f/0x4c20
[  412.921363]  ? should_fail+0x22d/0xd01
[  412.925245]  ? rcu_irq_exit+0x1a2/0x390
[  412.929229]  ? mark_held_locks+0x130/0x130
[  412.933473]  ? mark_held_locks+0x130/0x130
[  412.937720]  ? mark_held_locks+0xc7/0x130
[  412.941868]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  412.946894]  ? zap_class+0x640/0x640
[  412.950608]  ? print_usage_bug+0xc0/0xc0
[  412.954686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.960229]  ? check_preemption_disabled+0x48/0x280
[  412.965255]  ? __lock_is_held+0xb5/0x140
[  412.969324]  __alloc_pages_nodemask+0xa80/0xde0
[  412.974029]  ? zap_class+0x640/0x640
[  412.977749]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  412.982781]  ? find_held_lock+0x36/0x1c0
[  412.986854]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.991531]  ? lock_downgrade+0x900/0x900
[  412.995692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.001238]  cache_grow_begin+0xa5/0x8c0
[  413.005301]  ? do_raw_spin_unlock+0xa7/0x330
[  413.009723]  fallback_alloc+0x204/0x2e0
[  413.013704]  ____cache_alloc_node+0x1c7/0x1e0
[  413.018207]  kmem_cache_alloc_node+0xe3/0x730
[  413.022702]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.026951]  __alloc_skb+0x119/0x770
[  413.030664]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.035950]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.040360]  ? lock_downgrade+0x900/0x900
[  413.044520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.050067]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.055521]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.060973]  ? addrconf_rs_timer+0x690/0x690
[  413.065398]  ndisc_alloc_skb+0x144/0x340
[  413.069471]  ndisc_send_rs+0x331/0x6e0
[  413.073366]  addrconf_rs_timer+0x314/0x690
[  413.077606]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.081864]  call_timer_fn+0x272/0x920
[  413.085755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.089992]  ? process_timeout+0x40/0x40
[  413.094067]  ? mark_held_locks+0xc7/0x130
[  413.098221]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.102713]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.107210]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.111443]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.116027]  ? trace_hardirqs_on+0xbd/0x310
[  413.120352]  ? kasan_check_read+0x11/0x20
[  413.124498]  ? __run_timers+0x7da/0xc70
[  413.128475]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.133585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.137829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.142067]  __run_timers+0x7e5/0xc70
[  413.145919]  ? timer_fixup_init+0x70/0x70
[  413.150088]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  413.155106]  ? zap_class+0x640/0x640
[  413.158825]  ? print_usage_bug+0xc0/0xc0
[  413.162896]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  413.168095]  ? find_held_lock+0x36/0x1c0
[  413.172162]  ? zap_class+0x640/0x640
[  413.175892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.181437]  ? check_preemption_disabled+0x48/0x280
[  413.186463]  ? __lock_is_held+0xb5/0x140
[  413.190526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.196070]  ? check_preemption_disabled+0x48/0x280
[  413.201095]  run_timer_softirq+0x52/0xb0
[  413.205161]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.210182]  __do_softirq+0x308/0xb7e
[  413.213991]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  413.218486]  ? lock_downgrade+0x900/0x900
[  413.222685]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.227797]  ? pvclock_read_flags+0x160/0x160
[  413.232297]  ? lapic_next_event+0x5a/0x90
[  413.236462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.242012]  ? kvm_clock_read+0x18/0x30
[  413.245989]  ? kvm_sched_clock_read+0x9/0x20
[  413.250403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.255947]  ? check_preemption_disabled+0x48/0x280
[  413.260973]  irq_exit+0x17f/0x1c0
[  413.264429]  smp_apic_timer_interrupt+0x1cb/0x760
[  413.269274]  ? smp_reschedule_interrupt+0x109/0x650
[  413.274295]  ? smp_call_function_single_interrupt+0x650/0x650
[  413.280184]  ? interrupt_entry+0xb5/0xc0
[  413.284277]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.289299]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.294317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.299160]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.304174]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.309189]  ? task_prio+0x50/0x50
[  413.312731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.318286]  ? check_preemption_disabled+0x48/0x280
[  413.323325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.328174]  apic_timer_interrupt+0xf/0x20
[  413.332453]  </IRQ>
[  413.334693] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  413.339894] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  413.358796] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  413.366506] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  413.373776] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  413.381042] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  413.388311] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  413.395594] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  413.402908]  retint_kernel+0x1b/0x2d
[  413.406649] RIP: 0010:dump_stack+0x358/0x39d
[  413.411062] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  413.429964] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  413.437671] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  413.444941] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  413.452206] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  413.459475] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  413.466741] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  413.474027]  ? dump_stack+0x34f/0x39d
[  413.477847]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.483040]  ? mark_held_locks+0x130/0x130
[  413.487274]  ? mark_held_locks+0x130/0x130
[  413.491516]  dump_header+0x27b/0xf72
[  413.495244]  ? pagefault_out_of_memory+0x197/0x197
[  413.500186]  ? __lock_acquire+0x62f/0x4c20
[  413.504423]  ? percpu_ref_get_many+0x240/0x240
[  413.509017]  ? print_usage_bug+0xc0/0xc0
[  413.513088]  ? zap_class+0x640/0x640
[  413.516828]  ? print_usage_bug+0xc0/0xc0
[  413.520930]  ? print_usage_bug+0xc0/0xc0
[  413.524993]  ? zap_class+0x640/0x640
[  413.528713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.534258]  ? find_held_lock+0x36/0x1c0
[  413.538331]  ? mark_held_locks+0xc7/0x130
[  413.542485]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  413.547587]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  413.552694]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.557282]  ? trace_hardirqs_on+0xbd/0x310
[  413.561604]  ? kasan_check_read+0x11/0x20
[  413.565759]  ? ___ratelimit+0x3b4/0x672
[  413.569738]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.574843]  ? trace_hardirqs_on+0x310/0x310
[  413.579254]  ? lock_downgrade+0x900/0x900
[  413.583419]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  413.588612]  ? ___ratelimit+0x3b9/0x672
[  413.592597]  ? idr_get_free+0xf70/0xf70
[  413.596580]  ? find_held_lock+0x36/0x1c0
[  413.600659]  oom_kill_process.cold.27+0x10/0x903
[  413.605417]  ? zap_class+0x640/0x640
[  413.609138]  ? check_preemption_disabled+0x48/0x280
[  413.614162]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.619096]  ? kasan_check_read+0x11/0x20
[  413.623244]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.628528]  ? oom_evaluate_task+0x540/0x540
[  413.632943]  ? find_held_lock+0x36/0x1c0
[  413.637016]  ? out_of_memory+0x974/0x1430
[  413.641165]  ? lock_downgrade+0x900/0x900
[  413.645316]  ? check_preemption_disabled+0x48/0x280
[  413.650334]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.655262]  ? kasan_check_read+0x11/0x20
[  413.659446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.664727]  ? rcu_softirq_qs+0x20/0x20
[  413.668711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.674250]  ? oom_evaluate_task+0x302/0x540
[  413.678668]  out_of_memory+0xa84/0x1430
[  413.682662]  ? oom_killer_disable+0x3a0/0x3a0
[  413.687163]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  413.692101]  ? __ww_mutex_check_waiters+0x160/0x160
[  413.697131]  __alloc_pages_slowpath+0x2354/0x2e10
[  413.702009]  ? warn_alloc+0x120/0x120
[  413.705811]  ? mark_held_locks+0x130/0x130
[  413.710052]  ? find_get_entry+0xaae/0x1120
[  413.714300]  ? filemap_map_pages+0x1a20/0x1a20
[  413.718894]  ? zap_class+0x640/0x640
[  413.722623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.728176]  ? check_preemption_disabled+0x48/0x280
[  413.733192]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.738774]  ? should_fail+0x22d/0xd01
[  413.742672]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.747777]  ? zap_class+0x640/0x640
[  413.751523]  ? __lock_is_held+0xb5/0x140
[  413.755593]  ? mark_held_locks+0x130/0x130
[  413.759842]  ? lock_release+0xa00/0xa00
[  413.763822]  ? perf_trace_sched_process_exec+0x860/0x860
[  413.769319]  ? xa_load+0x2ba/0x460
[  413.772920]  ? lock_downgrade+0x900/0x900
[  413.777093]  ? __might_sleep+0x95/0x190
[  413.781087]  __alloc_pages_nodemask+0xa80/0xde0
[  413.785769]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  413.790790]  ? __page_cache_alloc+0x191/0x5c0
[  413.795290]  ? xa_load+0x2e1/0x460
[  413.798835]  ? xa_clear_mark+0x40/0x40
[  413.802726]  ? zap_class+0x640/0x640
[  413.806449]  ? zap_class+0x640/0x640
[  413.810166]  ? zap_class+0x640/0x640
[  413.813880]  ? __do_page_cache_readahead+0x663/0x810
[  413.819002]  ? find_held_lock+0x36/0x1c0
[  413.823070]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  413.828634]  alloc_pages_current+0x173/0x350
[  413.833068]  __page_cache_alloc+0x38c/0x5c0
[  413.837431]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.842370]  ? kasan_check_read+0x11/0x20
[  413.846562]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.851847]  ? generic_perform_write+0x6a0/0x6a0
[  413.856606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.862158]  ? check_preemption_disabled+0x48/0x280
[  413.867186]  filemap_fault+0x1595/0x25f0
[  413.871263]  ? __lock_page_or_retry+0xa00/0xa00
[  413.875936]  ? mark_held_locks+0x130/0x130
[  413.880180]  ? filemap_map_pages+0xd6b/0x1a20
[  413.884679]  ? lock_downgrade+0x900/0x900
[  413.888829]  ? check_preemption_disabled+0x48/0x280
[  413.893850]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.898778]  ? kasan_check_read+0x11/0x20
[  413.902938]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.908216]  ? rcu_softirq_qs+0x20/0x20
[  413.912207]  ? filemap_map_pages+0xd92/0x1a20
[  413.916711]  ? __lock_acquire+0x62f/0x4c20
[  413.920960]  ? find_get_entries_tag+0x1400/0x1400
[  413.925826]  ? lock_acquire+0x1ed/0x520
[  413.929801]  ? ext4_filemap_fault+0x7a/0xad
[  413.934136]  ? lock_release+0xa00/0xa00
[  413.938115]  ? perf_trace_sched_process_exec+0x860/0x860
[  413.943570]  ? print_usage_bug+0xc0/0xc0
[  413.947645]  ? print_usage_bug+0xc0/0xc0
[  413.951720]  ? down_read+0x8d/0x120
[  413.955346]  ? ext4_filemap_fault+0x7a/0xad
[  413.959669]  ? __down_interruptible+0x700/0x700
[  413.964349]  ext4_filemap_fault+0x82/0xad
[  413.968497]  __do_fault+0x100/0x6b0
[  413.972144]  ? pmd_devmap_trans_unstable+0x220/0x220
[  413.977254]  ? mark_held_locks+0x130/0x130
[  413.981494]  ? mark_held_locks+0x130/0x130
[  413.985729]  ? __might_fault+0x12b/0x1e0
[  413.989798]  ? lock_downgrade+0x900/0x900
[  413.993957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.999502]  __handle_mm_fault+0x3ea0/0x5be0
[  414.003941]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  414.008793]  ? kasan_check_read+0x11/0x20
[  414.012939]  ? _copy_to_user+0xc8/0x110
[  414.016921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.022469]  ? zap_class+0x640/0x640
[  414.026195]  ? zap_class+0x640/0x640
[  414.029920]  ? find_held_lock+0x36/0x1c0
[  414.033997]  ? handle_mm_fault+0x42a/0xc70
[  414.038238]  ? lock_downgrade+0x900/0x900
[  414.042391]  ? check_preemption_disabled+0x48/0x280
[  414.047412]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.052345]  ? kasan_check_read+0x11/0x20
[  414.056495]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.061786]  ? rcu_softirq_qs+0x20/0x20
[  414.065766]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.070875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.076419]  ? check_preemption_disabled+0x48/0x280
[  414.081444]  handle_mm_fault+0x54f/0xc70
[  414.085553]  ? __handle_mm_fault+0x5be0/0x5be0
[  414.090140]  ? find_vma+0x34/0x190
[  414.093688]  __do_page_fault+0x5e8/0xe60
[  414.097747]  ? trace_hardirqs_off+0xb8/0x310
[  414.102170]  do_page_fault+0xf2/0x7e0
[  414.105975]  ? vmalloc_sync_all+0x30/0x30
[  414.110126]  ? error_entry+0x70/0xd0
[  414.113843]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.118871]  ? trace_hardirqs_on_caller+0xc0/0x310
[  414.123821]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.128751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.133599]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.138621]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  414.144086]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  414.149105]  ? prepare_exit_to_usermode+0x291/0x3b0
[  414.154121]  ? page_fault+0x8/0x30
[  414.157665]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.162523]  ? page_fault+0x8/0x30
[  414.166084]  page_fault+0x1e/0x30
[  414.169539] RIP: 0033:0x4375fe
[  414.172739] Code: Bad RIP value.
[  414.176100] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  414.181490] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  414.188774] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  414.196042] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  414.203307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  414.210576] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  414.217871] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  414.217943] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  414.224797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.224803] Call Trace:
[  414.224822]  dump_stack+0x244/0x39d
[  414.224844]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.231405] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.240692]  warn_alloc.cold.116+0xb7/0x1bd
[  414.243248] syz-fuzzer cpuset=/ mems_allowed=0
[  414.246869]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.275966]  ? lock_downgrade+0x900/0x900
[  414.280124]  ? trace_hardirqs_off+0xb8/0x310
[  414.284539]  ? trace_hardirqs_off+0xb8/0x310
[  414.288956]  __alloc_pages_slowpath+0x26e8/0x2e10
[  414.293835]  ? warn_alloc+0x120/0x120
[  414.297651]  ? print_usage_bug+0xc0/0xc0
[  414.301722]  ? warn_alloc+0x120/0x120
[  414.305527]  ? warn_alloc+0x120/0x120
[  414.309331]  ? print_usage_bug+0xc0/0xc0
[  414.313408]  ? print_usage_bug+0xc0/0xc0
[  414.317478]  ? __lock_acquire+0x62f/0x4c20
[  414.321734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.327276]  ? should_fail+0x22d/0xd01
[  414.331174]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.336283]  ? __lock_acquire+0x62f/0x4c20
[  414.340533]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.345668]  ? __lock_acquire+0x62f/0x4c20
[  414.349905]  ? should_fail+0x22d/0xd01
[  414.353806]  ? mark_held_locks+0x130/0x130
[  414.358050]  ? mark_held_locks+0x130/0x130
[  414.362298]  ? zap_class+0x640/0x640
[  414.366014]  ? zap_class+0x640/0x640
[  414.369823]  ? zap_class+0x640/0x640
[  414.373538]  ? print_usage_bug+0xc0/0xc0
[  414.377600]  ? mark_held_locks+0x130/0x130
[  414.381848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.387429]  ? check_preemption_disabled+0x48/0x280
[  414.392486]  ? __lock_is_held+0xb5/0x140
[  414.396553]  __alloc_pages_nodemask+0xa80/0xde0
[  414.401223]  ? zap_class+0x640/0x640
[  414.404946]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.409989]  ? find_held_lock+0x36/0x1c0
[  414.414060]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.418736]  ? lock_downgrade+0x900/0x900
[  414.422892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.428434]  cache_grow_begin+0xa5/0x8c0
[  414.432495]  ? do_raw_spin_unlock+0xa7/0x330
[  414.436915]  fallback_alloc+0x204/0x2e0
[  414.440898]  ____cache_alloc_node+0x1c7/0x1e0
[  414.445406]  kmem_cache_alloc_node+0xe3/0x730
[  414.449904]  ? ipv6_get_ifaddr+0x42e/0x620
[  414.454156]  __alloc_skb+0x119/0x770
[  414.457874]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.463160]  ? netdev_alloc_frag+0x1f0/0x1f0
[  414.467570]  ? lock_downgrade+0x900/0x900
[  414.471742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.477281]  ? refcount_sub_and_test_checked+0x203/0x310
[  414.482741]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  414.488198]  ? addrconf_rs_timer+0x690/0x690
[  414.492631]  ndisc_alloc_skb+0x144/0x340
[  414.496703]  ndisc_send_rs+0x331/0x6e0
[  414.500601]  addrconf_rs_timer+0x314/0x690
[  414.504854]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.509104]  call_timer_fn+0x272/0x920
[  414.512998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.517236]  ? process_timeout+0x40/0x40
[  414.521308]  ? __run_timers+0x7da/0xc70
[  414.525287]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.529782]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.534280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.538515]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.543104]  ? trace_hardirqs_on+0xbd/0x310
[  414.547428]  ? kasan_check_read+0x11/0x20
[  414.551809]  ? __run_timers+0x7da/0xc70
[  414.555790]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.560910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  414.565143]  __run_timers+0x7e5/0xc70
[  414.568955]  ? timer_fixup_init+0x70/0x70
[  414.573102]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.577698]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.582195]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.586784]  ? trace_hardirqs_on+0xbd/0x310
[  414.591105]  ? kasan_check_read+0x11/0x20
[  414.595259]  ? finish_task_switch+0x1f4/0x910
[  414.599759]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.604867]  ? compat_start_thread+0x80/0x80
[  414.609301]  ? pvclock_read_flags+0x160/0x160
[  414.613794]  ? __switch_to_asm+0x34/0x70
[  414.617858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.623404]  ? check_preemption_disabled+0x48/0x280
[  414.628431]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  414.633972]  ? rcu_pm_notify+0xc0/0xc0
[  414.637867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.643409]  ? check_preemption_disabled+0x48/0x280
[  414.648437]  run_timer_softirq+0x52/0xb0
[  414.652528]  ? rcu_read_lock_sched_held+0x14f/0x180
[  414.657563]  __do_softirq+0x308/0xb7e
[  414.661372]  ? trace_hardirqs_on_caller+0xc0/0x310
[  414.666310]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  414.671420]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  414.676882]  ? schedule+0x108/0x460
[  414.680526]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  414.685803]  ? trace_hardirqs_off+0xb8/0x310
[  414.690218]  ? smpboot_thread_fn+0x68b/0xa00
[  414.694635]  ? trace_hardirqs_on+0x310/0x310
[  414.699063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.704605]  ? check_preemption_disabled+0x48/0x280
[  414.709644]  ? takeover_tasklets+0xa90/0xa90
[  414.714058]  run_ksoftirqd+0x5e/0x100
[  414.717867]  smpboot_thread_fn+0x68b/0xa00
[  414.722107]  ? sort_range+0x30/0x30
[  414.725737]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.730841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.736380]  ? __kthread_parkme+0xfb/0x1a0
[  414.740632]  ? sort_range+0x30/0x30
[  414.744265]  kthread+0x35a/0x440
[  414.747647]  ? kthread_stop+0x900/0x900
[  414.751632]  ret_from_fork+0x3a/0x50
[  414.755372] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  414.755377] warn_alloc_show_mem: 1 callbacks suppressed
[  414.755390] Mem-Info:
[  414.762400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.767772] active_anon:56065 inactive_anon:190 isolated_anon:0
[  414.767772]  active_file:11 inactive_file:12 isolated_file:0
[  414.767772]  unevictable:0 dirty:0 writeback:0 unstable:0
[  414.767772]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  414.767772]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  414.767772]  free:13773 free_pcp:518 free_cma:0
[  414.770145] Call Trace:
[  414.779537] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  414.812383]  <IRQ>
[  414.814966] 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
[  414.842463]  dump_stack+0x244/0x39d
[  414.844583] lowmem_reserve[]: 0 2818 6321 6321
[  414.870691]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.874294] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  414.878883]  warn_alloc.cold.116+0xb7/0x1bd
[  414.884037] lowmem_reserve[]: 0 0 3503 3503
[  414.911542]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.915837] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  414.920154]  ? lock_downgrade+0x900/0x900
[  414.924968] lowmem_reserve[]: 0 0 0 0
[  414.953941]  ? trace_hardirqs_off+0xb8/0x310
[  414.958064] 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
[  414.961859]  ? trace_hardirqs_off+0xb8/0x310
[  414.966241] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  414.979766]  __alloc_pages_slowpath+0x26e8/0x2e10
[  414.984148] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  414.999341]  ? warn_alloc+0x120/0x120
[  415.004139] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  415.019041]  ? print_usage_bug+0xc0/0xc0
[  415.022823] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  415.031651]  ? warn_alloc+0x120/0x120
[  415.035690] 266 total pagecache pages
[  415.044258]  ? warn_alloc+0x120/0x120
[  415.048040] 0 pages in swap cache
[  415.051828]  ? print_usage_bug+0xc0/0xc0
[  415.055632] Swap cache stats: add 0, delete 0, find 0/0
[  415.059073]  ? print_usage_bug+0xc0/0xc0
[  415.063113] Free swap  = 0kB
[  415.068470]  ? __lock_acquire+0x62f/0x4c20
[  415.072504] Total swap = 0kB
[  415.075517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.079724] 1965979 pages RAM
[  415.082738]  ? should_fail+0x22d/0xd01
[  415.088248] 0 pages HighMem/MovableOnly
[  415.091345]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.095210] 342854 pages reserved
[  415.099177]  ? __lock_acquire+0x62f/0x4c20
[  415.104270] 0 pages cma reserved
[  415.107735]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.112028] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.115332]  ? __lock_acquire+0x62f/0x4c20
[  415.115344]  ? should_fail+0x22d/0xd01
[  415.115358]  ? find_held_lock+0x36/0x1c0
[  415.115393]  ? mark_held_locks+0x130/0x130
[  415.120569] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.126996]  ? mark_held_locks+0x130/0x130
[  415.131207] ksoftirqd/1 cpuset=/ mems_allowed=0
[  415.135084]  ? zap_class+0x640/0x640
[  415.166301]  ? zap_class+0x640/0x640
[  415.170017]  ? print_usage_bug+0xc0/0xc0
[  415.174075]  ? do_raw_spin_unlock+0xa7/0x330
[  415.178502]  ? zap_class+0x640/0x640
[  415.182219]  ? print_usage_bug+0xc0/0xc0
[  415.186283]  ? wq_watchdog_touch+0x9c/0xfe
[  415.190518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.196060]  ? check_preemption_disabled+0x48/0x280
[  415.201094]  ? __lock_is_held+0xb5/0x140
[  415.205165]  __alloc_pages_nodemask+0xa80/0xde0
[  415.209836]  ? zap_class+0x640/0x640
[  415.213558]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  415.218608]  ? find_held_lock+0x36/0x1c0
[  415.222690]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.227364]  ? lock_downgrade+0x900/0x900
[  415.231522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.237066]  cache_grow_begin+0xa5/0x8c0
[  415.241126]  ? do_raw_spin_unlock+0xa7/0x330
[  415.245544]  fallback_alloc+0x204/0x2e0
[  415.249530]  ____cache_alloc_node+0x1c7/0x1e0
[  415.254033]  kmem_cache_alloc_node+0xe3/0x730
[  415.258535]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.262781]  __alloc_skb+0x119/0x770
[  415.266508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.271788]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.276202]  ? lock_downgrade+0x900/0x900
[  415.280384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.285921]  ? refcount_sub_and_test_checked+0x203/0x310
[  415.291375]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  415.296844]  ? addrconf_rs_timer+0x690/0x690
[  415.301267]  ndisc_alloc_skb+0x144/0x340
[  415.305335]  ndisc_send_rs+0x331/0x6e0
[  415.309230]  addrconf_rs_timer+0x314/0x690
[  415.313476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.317727]  call_timer_fn+0x272/0x920
[  415.321618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.325868]  ? process_timeout+0x40/0x40
[  415.329944]  ? mark_held_locks+0xc7/0x130
[  415.334099]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.338596]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.343099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.347344]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.351931]  ? trace_hardirqs_on+0xbd/0x310
[  415.356252]  ? kasan_check_read+0x11/0x20
[  415.360402]  ? __run_timers+0x7da/0xc70
[  415.364390]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.369500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.373741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.377980]  __run_timers+0x7e5/0xc70
[  415.381800]  ? timer_fixup_init+0x70/0x70
[  415.385951]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  415.390968]  ? zap_class+0x640/0x640
[  415.394688]  ? print_usage_bug+0xc0/0xc0
[  415.398757]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  415.403957]  ? find_held_lock+0x36/0x1c0
[  415.408028]  ? zap_class+0x640/0x640
[  415.411752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.417294]  ? check_preemption_disabled+0x48/0x280
[  415.422321]  ? __lock_is_held+0xb5/0x140
[  415.426383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.431925]  ? check_preemption_disabled+0x48/0x280
[  415.436947]  run_timer_softirq+0x52/0xb0
[  415.441014]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.446031]  __do_softirq+0x308/0xb7e
[  415.449836]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  415.454332]  ? lock_downgrade+0x900/0x900
[  415.458505]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.463619]  ? pvclock_read_flags+0x160/0x160
[  415.468146]  ? lapic_next_event+0x5a/0x90
[  415.472296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.477841]  ? kvm_clock_read+0x18/0x30
[  415.481817]  ? kvm_sched_clock_read+0x9/0x20
[  415.486232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.491772]  ? check_preemption_disabled+0x48/0x280
[  415.496801]  irq_exit+0x17f/0x1c0
[  415.500260]  smp_apic_timer_interrupt+0x1cb/0x760
[  415.505102]  ? smp_reschedule_interrupt+0x109/0x650
[  415.510123]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.516038]  ? interrupt_entry+0xb5/0xc0
[  415.520117]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.525138]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.530157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.535002]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.540022]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.545042]  ? task_prio+0x50/0x50
[  415.548585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.554123]  ? check_preemption_disabled+0x48/0x280
[  415.559147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.563998]  apic_timer_interrupt+0xf/0x20
[  415.568227]  </IRQ>
[  415.570465] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  415.575661] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  415.594558] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  415.602266] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  415.609534] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  415.616801] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  415.624070] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  415.631337] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  415.638645]  retint_kernel+0x1b/0x2d
[  415.642389] RIP: 0010:dump_stack+0x358/0x39d
[  415.646793] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  415.665692] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  415.673397] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  415.680665] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  415.687931] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  415.695200] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  415.702480] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  415.709780]  ? dump_stack+0x34f/0x39d
[  415.713594]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.718798]  ? mark_held_locks+0x130/0x130
[  415.723037]  ? mark_held_locks+0x130/0x130
[  415.727277]  dump_header+0x27b/0xf72
[  415.731021]  ? pagefault_out_of_memory+0x197/0x197
[  415.736309]  ? __lock_acquire+0x62f/0x4c20
[  415.740545]  ? percpu_ref_get_many+0x240/0x240
[  415.745136]  ? print_usage_bug+0xc0/0xc0
[  415.749204]  ? zap_class+0x640/0x640
[  415.752923]  ? print_usage_bug+0xc0/0xc0
[  415.756981]  ? print_usage_bug+0xc0/0xc0
[  415.761046]  ? zap_class+0x640/0x640
[  415.764769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.770311]  ? find_held_lock+0x36/0x1c0
[  415.774396]  ? mark_held_locks+0xc7/0x130
[  415.778560]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  415.783664]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  415.788772]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.793360]  ? trace_hardirqs_on+0xbd/0x310
[  415.797683]  ? kasan_check_read+0x11/0x20
[  415.801832]  ? ___ratelimit+0x3b4/0x672
[  415.805906]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.811015]  ? trace_hardirqs_on+0x310/0x310
[  415.815427]  ? lock_downgrade+0x900/0x900
[  415.819583]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  415.824693]  ? ___ratelimit+0x3b9/0x672
[  415.828672]  ? idr_get_free+0xf70/0xf70
[  415.832655]  ? find_held_lock+0x36/0x1c0
[  415.836729]  oom_kill_process.cold.27+0x10/0x903
[  415.841485]  ? zap_class+0x640/0x640
[  415.845200]  ? check_preemption_disabled+0x48/0x280
[  415.850225]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.855157]  ? kasan_check_read+0x11/0x20
[  415.859332]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.864621]  ? oom_evaluate_task+0x540/0x540
[  415.869049]  ? find_held_lock+0x36/0x1c0
[  415.873121]  ? out_of_memory+0x974/0x1430
[  415.877271]  ? lock_downgrade+0x900/0x900
[  415.881419]  ? check_preemption_disabled+0x48/0x280
[  415.886438]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.891386]  ? kasan_check_read+0x11/0x20
[  415.895567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.900843]  ? rcu_softirq_qs+0x20/0x20
[  415.904826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.910377]  ? oom_evaluate_task+0x302/0x540
[  415.914790]  out_of_memory+0xa84/0x1430
[  415.918778]  ? oom_killer_disable+0x3a0/0x3a0
[  415.923294]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  415.928243]  ? __ww_mutex_check_waiters+0x160/0x160
[  415.933279]  __alloc_pages_slowpath+0x2354/0x2e10
[  415.938154]  ? warn_alloc+0x120/0x120
[  415.941956]  ? mark_held_locks+0x130/0x130
[  415.946199]  ? find_get_entry+0xaae/0x1120
[  415.950449]  ? filemap_map_pages+0x1a20/0x1a20
[  415.955037]  ? zap_class+0x640/0x640
[  415.958762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.964301]  ? check_preemption_disabled+0x48/0x280
[  415.969319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.974859]  ? should_fail+0x22d/0xd01
[  415.978759]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.983869]  ? zap_class+0x640/0x640
[  415.987638]  ? __lock_is_held+0xb5/0x140
[  415.991710]  ? mark_held_locks+0x130/0x130
[  415.995948]  ? lock_release+0xa00/0xa00
[  415.999925]  ? perf_trace_sched_process_exec+0x860/0x860
[  416.005379]  ? xa_load+0x2ba/0x460
[  416.008921]  ? lock_downgrade+0x900/0x900
[  416.013077]  ? __might_sleep+0x95/0x190
[  416.017056]  __alloc_pages_nodemask+0xa80/0xde0
[  416.021733]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.026753]  ? __page_cache_alloc+0x191/0x5c0
[  416.031246]  ? xa_load+0x2e1/0x460
[  416.034787]  ? xa_clear_mark+0x40/0x40
[  416.038676]  ? zap_class+0x640/0x640
[  416.042397]  ? zap_class+0x640/0x640
[  416.046113]  ? zap_class+0x640/0x640
[  416.049829]  ? __do_page_cache_readahead+0x663/0x810
[  416.054938]  ? find_held_lock+0x36/0x1c0
[  416.059009]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  416.064554]  alloc_pages_current+0x173/0x350
[  416.068971]  __page_cache_alloc+0x38c/0x5c0
[  416.073296]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.078228]  ? kasan_check_read+0x11/0x20
[  416.082376]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.087662]  ? generic_perform_write+0x6a0/0x6a0
[  416.092425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.097964]  ? check_preemption_disabled+0x48/0x280
[  416.102991]  filemap_fault+0x1595/0x25f0
[  416.107071]  ? __lock_page_or_retry+0xa00/0xa00
[  416.111747]  ? mark_held_locks+0x130/0x130
[  416.115998]  ? filemap_map_pages+0xd6b/0x1a20
[  416.120498]  ? lock_downgrade+0x900/0x900
[  416.124652]  ? check_preemption_disabled+0x48/0x280
[  416.129676]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.134609]  ? kasan_check_read+0x11/0x20
[  416.138764]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.144042]  ? rcu_softirq_qs+0x20/0x20
[  416.148032]  ? filemap_map_pages+0xd92/0x1a20
[  416.152530]  ? __lock_acquire+0x62f/0x4c20
[  416.156787]  ? find_get_entries_tag+0x1400/0x1400
[  416.161660]  ? lock_acquire+0x1ed/0x520
[  416.165646]  ? ext4_filemap_fault+0x7a/0xad
[  416.169980]  ? lock_release+0xa00/0xa00
[  416.173983]  ? perf_trace_sched_process_exec+0x860/0x860
[  416.179453]  ? print_usage_bug+0xc0/0xc0
[  416.183521]  ? print_usage_bug+0xc0/0xc0
[  416.187599]  ? down_read+0x8d/0x120
[  416.191232]  ? ext4_filemap_fault+0x7a/0xad
[  416.195556]  ? __down_interruptible+0x700/0x700
[  416.200236]  ext4_filemap_fault+0x82/0xad
[  416.204405]  __do_fault+0x100/0x6b0
[  416.208042]  ? pmd_devmap_trans_unstable+0x220/0x220
[  416.213156]  ? mark_held_locks+0x130/0x130
[  416.217394]  ? mark_held_locks+0x130/0x130
[  416.221638]  ? __might_fault+0x12b/0x1e0
[  416.225703]  ? lock_downgrade+0x900/0x900
[  416.229861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.235407]  __handle_mm_fault+0x3ea0/0x5be0
[  416.239826]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  416.244691]  ? kasan_check_read+0x11/0x20
[  416.248840]  ? _copy_to_user+0xc8/0x110
[  416.252822]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.258376]  ? zap_class+0x640/0x640
[  416.262094]  ? zap_class+0x640/0x640
[  416.265818]  ? find_held_lock+0x36/0x1c0
[  416.269898]  ? handle_mm_fault+0x42a/0xc70
[  416.274137]  ? lock_downgrade+0x900/0x900
[  416.278284]  ? check_preemption_disabled+0x48/0x280
[  416.283307]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.288237]  ? kasan_check_read+0x11/0x20
[  416.292388]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.297668]  ? rcu_softirq_qs+0x20/0x20
[  416.301652]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.306762]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.312301]  ? check_preemption_disabled+0x48/0x280
[  416.317343]  handle_mm_fault+0x54f/0xc70
[  416.321425]  ? __handle_mm_fault+0x5be0/0x5be0
[  416.326012]  ? find_vma+0x34/0x190
[  416.329558]  __do_page_fault+0x5e8/0xe60
[  416.333618]  ? trace_hardirqs_off+0xb8/0x310
[  416.338048]  do_page_fault+0xf2/0x7e0
[  416.341851]  ? vmalloc_sync_all+0x30/0x30
[  416.346000]  ? error_entry+0x70/0xd0
[  416.349716]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.354736]  ? trace_hardirqs_on_caller+0xc0/0x310
[  416.359667]  ? syscall_return_slowpath+0x5e0/0x5e0
[  416.364595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.369446]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.374463]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  416.379918]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  416.384938]  ? prepare_exit_to_usermode+0x291/0x3b0
[  416.389955]  ? page_fault+0x8/0x30
[  416.393498]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.398344]  ? page_fault+0x8/0x30
[  416.401894]  page_fault+0x1e/0x30
[  416.405347] RIP: 0033:0x4375fe
[  416.408548] Code: Bad RIP value.
[  416.411926] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  416.417291] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  416.424574] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  416.431855] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  416.439130] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  416.446398] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  416.453693] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  416.453758] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  416.460623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.460639] Call Trace:
[  416.467208] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.476476]  dump_stack+0x244/0x39d
[  416.479041] syz-fuzzer cpuset=/ mems_allowed=0
[  416.489261]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.502622]  warn_alloc.cold.116+0xb7/0x1bd
[  416.506961]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.511810]  ? lock_downgrade+0x900/0x900
[  416.515973]  ? trace_hardirqs_off+0xb8/0x310
[  416.520399]  ? trace_hardirqs_off+0xb8/0x310
[  416.524821]  __alloc_pages_slowpath+0x26e8/0x2e10
[  416.529699]  ? warn_alloc+0x120/0x120
[  416.533537]  ? print_usage_bug+0xc0/0xc0
[  416.537603]  ? warn_alloc+0x120/0x120
[  416.541424]  ? warn_alloc+0x120/0x120
[  416.545227]  ? print_usage_bug+0xc0/0xc0
[  416.549294]  ? print_usage_bug+0xc0/0xc0
[  416.553557]  ? __lock_acquire+0x62f/0x4c20
[  416.557807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.563345]  ? should_fail+0x22d/0xd01
[  416.567245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.572363]  ? __lock_acquire+0x62f/0x4c20
[  416.576609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.581721]  ? __lock_acquire+0x62f/0x4c20
[  416.585958]  ? should_fail+0x22d/0xd01
[  416.589868]  ? find_held_lock+0x36/0x1c0
[  416.593945]  ? mark_held_locks+0x130/0x130
[  416.598188]  ? mark_held_locks+0x130/0x130
[  416.602437]  ? zap_class+0x640/0x640
[  416.606169]  ? zap_class+0x640/0x640
[  416.609888]  ? print_usage_bug+0xc0/0xc0
[  416.613962]  ? do_raw_spin_unlock+0xa7/0x330
[  416.618376]  ? zap_class+0x640/0x640
[  416.622097]  ? print_usage_bug+0xc0/0xc0
[  416.626158]  ? wq_watchdog_touch+0x9c/0xfe
[  416.630402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.635949]  ? check_preemption_disabled+0x48/0x280
[  416.640978]  ? __lock_is_held+0xb5/0x140
[  416.645054]  __alloc_pages_nodemask+0xa80/0xde0
[  416.649726]  ? zap_class+0x640/0x640
[  416.653447]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.658476]  ? find_held_lock+0x36/0x1c0
[  416.662564]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.667241]  ? lock_downgrade+0x900/0x900
[  416.671420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.676967]  cache_grow_begin+0xa5/0x8c0
[  416.681438]  ? do_raw_spin_unlock+0xa7/0x330
[  416.685865]  fallback_alloc+0x204/0x2e0
[  416.689853]  ____cache_alloc_node+0x1c7/0x1e0
[  416.694360]  kmem_cache_alloc_node+0xe3/0x730
[  416.698867]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.703115]  __alloc_skb+0x119/0x770
[  416.706848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.712135]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.716548]  ? lock_downgrade+0x900/0x900
[  416.720709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.726253]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.731720]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.737174]  ? addrconf_rs_timer+0x690/0x690
[  416.741601]  ndisc_alloc_skb+0x144/0x340
[  416.745683]  ndisc_send_rs+0x331/0x6e0
[  416.749578]  addrconf_rs_timer+0x314/0x690
[  416.753824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.758076]  call_timer_fn+0x272/0x920
[  416.761969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.766211]  ? process_timeout+0x40/0x40
[  416.770282]  ? __run_timers+0x7da/0xc70
[  416.774261]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.778760]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.783267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.787506]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.792093]  ? trace_hardirqs_on+0xbd/0x310
[  416.796425]  ? kasan_check_read+0x11/0x20
[  416.800571]  ? __run_timers+0x7da/0xc70
[  416.804567]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.809681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.813926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.818164]  __run_timers+0x7e5/0xc70
[  416.821979]  ? timer_fixup_init+0x70/0x70
[  416.826129]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.830633]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.835134]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  416.839726]  ? trace_hardirqs_on+0xbd/0x310
[  416.844051]  ? kasan_check_read+0x11/0x20
[  416.848206]  ? finish_task_switch+0x1f4/0x910
[  416.852706]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.857811]  ? compat_start_thread+0x80/0x80
[  416.862244]  ? pvclock_read_flags+0x160/0x160
[  416.866742]  ? __switch_to_asm+0x34/0x70
[  416.870806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.876350]  ? check_preemption_disabled+0x48/0x280
[  416.881385]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  416.886937]  ? rcu_pm_notify+0xc0/0xc0
[  416.890834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.896427]  ? check_preemption_disabled+0x48/0x280
[  416.901452]  run_timer_softirq+0x52/0xb0
[  416.905518]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.910568]  __do_softirq+0x308/0xb7e
[  416.914396]  ? trace_hardirqs_on_caller+0xc0/0x310
[  416.919336]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.924442]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  416.929903]  ? schedule+0x108/0x460
[  416.933535]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  416.938319]  ? trace_hardirqs_off+0xb8/0x310
[  416.942735]  ? smpboot_thread_fn+0x68b/0xa00
[  416.947146]  ? trace_hardirqs_on+0x310/0x310
[  416.951561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.957101]  ? check_preemption_disabled+0x48/0x280
[  416.962121]  ? takeover_tasklets+0xa90/0xa90
[  416.966536]  run_ksoftirqd+0x5e/0x100
[  416.970342]  smpboot_thread_fn+0x68b/0xa00
[  416.974588]  ? sort_range+0x30/0x30
[  416.978224]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.983329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.988870]  ? __kthread_parkme+0xfb/0x1a0
[  416.993115]  ? sort_range+0x30/0x30
[  416.996746]  kthread+0x35a/0x440
[  417.000114]  ? kthread_stop+0x900/0x900
[  417.004096]  ret_from_fork+0x3a/0x50
[  417.007826] warn_alloc_show_mem: 1 callbacks suppressed
[  417.007838] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  417.007840] Mem-Info:
[  417.007871] active_anon:56065 inactive_anon:190 isolated_anon:0
[  417.007871]  active_file:11 inactive_file:12 isolated_file:0
[  417.007871]  unevictable:0 dirty:0 writeback:0 unstable:0
[  417.007871]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  417.007871]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  417.007871]  free:13773 free_pcp:518 free_cma:0
[  417.013220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.013229] Call Trace:
[  417.020249] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  417.022655]  <IRQ>
[  417.055521] 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
[  417.064873]  dump_stack+0x244/0x39d
[  417.067432] lowmem_reserve[]: 0 2818 6321 6321
[  417.094931]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.097059] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  417.123190]  warn_alloc.cold.116+0xb7/0x1bd
[  417.126799] lowmem_reserve[]: 0 0 3503 3503
[  417.131378]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.136554] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  417.164048]  ? lock_downgrade+0x900/0x900
[  417.168375] lowmem_reserve[]: 0 0 0 0
[  417.172696]  ? trace_hardirqs_off+0xb8/0x310
[  417.177512] 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
[  417.206484]  ? trace_hardirqs_off+0xb8/0x310
[  417.210609] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  417.214418]  __alloc_pages_slowpath+0x26e8/0x2e10
[  417.218797] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  417.232338]  ? warn_alloc+0x120/0x120
[  417.236707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  417.251868]  ? print_usage_bug+0xc0/0xc0
[  417.256690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  417.271594]  ? warn_alloc+0x120/0x120
[  417.275408] 266 total pagecache pages
[  417.284240]  ? warn_alloc+0x120/0x120
[  417.288279] 0 pages in swap cache
[  417.296844]  ? print_usage_bug+0xc0/0xc0
[  417.300623] Swap cache stats: add 0, delete 0, find 0/0
[  417.304421]  ? kvm_clock_read+0x18/0x30
[  417.308194] Free swap  = 0kB
[  417.311650]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  417.315686] Total swap = 0kB
[  417.321045]  ? print_usage_bug+0xc0/0xc0
[  417.324996] 1965979 pages RAM
[  417.328012]  ? __lock_acquire+0x62f/0x4c20
[  417.333006] 0 pages HighMem/MovableOnly
[  417.336023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.340058] 342854 pages reserved
[  417.343160]  ? should_fail+0x22d/0xd01
[  417.347373] 0 pages cma reserved
[  417.351342]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.356926] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.360303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.364250] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.367530]  ? __lock_acquire+0x62f/0x4c20
[  417.372785] ksoftirqd/1 cpuset=/ mems_allowed=0
[  417.379275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.408635]  ? __lock_acquire+0x62f/0x4c20
[  417.412876]  ? should_fail+0x22d/0xd01
[  417.416769]  ? rcu_irq_exit+0x1a2/0x390
[  417.420756]  ? mark_held_locks+0x130/0x130
[  417.424998]  ? mark_held_locks+0x130/0x130
[  417.429242]  ? mark_held_locks+0xc7/0x130
[  417.433394]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  417.438413]  ? zap_class+0x640/0x640
[  417.442129]  ? print_usage_bug+0xc0/0xc0
[  417.446199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.451743]  ? check_preemption_disabled+0x48/0x280
[  417.456776]  ? __lock_is_held+0xb5/0x140
[  417.460850]  __alloc_pages_nodemask+0xa80/0xde0
[  417.465524]  ? zap_class+0x640/0x640
[  417.469249]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  417.474280]  ? find_held_lock+0x36/0x1c0
[  417.478355]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.483033]  ? lock_downgrade+0x900/0x900
[  417.487190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.492733]  cache_grow_begin+0xa5/0x8c0
[  417.496799]  ? do_raw_spin_unlock+0xa7/0x330
[  417.501222]  fallback_alloc+0x204/0x2e0
[  417.505207]  ____cache_alloc_node+0x1c7/0x1e0
[  417.509710]  kmem_cache_alloc_node+0xe3/0x730
[  417.514226]  ? ipv6_get_ifaddr+0x42e/0x620
[  417.518496]  __alloc_skb+0x119/0x770
[  417.522210]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.527495]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.531909]  ? lock_downgrade+0x900/0x900
[  417.536066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.541605]  ? refcount_sub_and_test_checked+0x203/0x310
[  417.547076]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  417.552532]  ? addrconf_rs_timer+0x690/0x690
[  417.556955]  ndisc_alloc_skb+0x144/0x340
[  417.561021]  ndisc_send_rs+0x331/0x6e0
[  417.564923]  addrconf_rs_timer+0x314/0x690
[  417.569165]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.573418]  call_timer_fn+0x272/0x920
[  417.577307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.581543]  ? process_timeout+0x40/0x40
[  417.585620]  ? mark_held_locks+0xc7/0x130
[  417.589782]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.594276]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.598792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.603028]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.607617]  ? trace_hardirqs_on+0xbd/0x310
[  417.611949]  ? kasan_check_read+0x11/0x20
[  417.616098]  ? __run_timers+0x7da/0xc70
[  417.620077]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.625189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.629434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.633669]  __run_timers+0x7e5/0xc70
[  417.637483]  ? timer_fixup_init+0x70/0x70
[  417.641645]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  417.646667]  ? zap_class+0x640/0x640
[  417.650390]  ? print_usage_bug+0xc0/0xc0
[  417.654459]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  417.659662]  ? find_held_lock+0x36/0x1c0
[  417.663732]  ? zap_class+0x640/0x640
[  417.667455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.672996]  ? check_preemption_disabled+0x48/0x280
[  417.678024]  ? __lock_is_held+0xb5/0x140
[  417.682090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.687670]  ? check_preemption_disabled+0x48/0x280
[  417.692696]  run_timer_softirq+0x52/0xb0
[  417.696759]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.701782]  __do_softirq+0x308/0xb7e
[  417.705589]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  417.710088]  ? lock_downgrade+0x900/0x900
[  417.714247]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  417.719391]  ? pvclock_read_flags+0x160/0x160
[  417.723899]  ? lapic_next_event+0x5a/0x90
[  417.728054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.733600]  ? kvm_clock_read+0x18/0x30
[  417.737586]  ? kvm_sched_clock_read+0x9/0x20
[  417.742003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.747543]  ? check_preemption_disabled+0x48/0x280
[  417.752571]  irq_exit+0x17f/0x1c0
[  417.756026]  smp_apic_timer_interrupt+0x1cb/0x760
[  417.760870]  ? smp_reschedule_interrupt+0x109/0x650
[  417.765901]  ? smp_call_function_single_interrupt+0x650/0x650
[  417.771791]  ? interrupt_entry+0xb5/0xc0
[  417.775859]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.780896]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.785923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.790769]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.795792]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.800812]  ? task_prio+0x50/0x50
[  417.804359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.809908]  ? check_preemption_disabled+0x48/0x280
[  417.814933]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.819792]  apic_timer_interrupt+0xf/0x20
[  417.824022]  </IRQ>
[  417.826262] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  417.831497] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  417.850414] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  417.858139] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  417.865451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  417.872717] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  417.879984] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  417.887282] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  417.894587]  retint_kernel+0x1b/0x2d
[  417.898302] RIP: 0010:dump_stack+0x358/0x39d
[  417.902710] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  417.921608] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  417.929322] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  417.936589] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  417.943860] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  417.951133] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  417.958404] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  417.965711]  ? dump_stack+0x34f/0x39d
[  417.969530]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.974730]  ? mark_held_locks+0x130/0x130
[  417.978970]  ? mark_held_locks+0x130/0x130
[  417.983211]  dump_header+0x27b/0xf72
[  417.986941]  ? pagefault_out_of_memory+0x197/0x197
[  417.991880]  ? __lock_acquire+0x62f/0x4c20
[  417.996129]  ? percpu_ref_get_many+0x240/0x240
[  418.000719]  ? print_usage_bug+0xc0/0xc0
[  418.004792]  ? zap_class+0x640/0x640
[  418.008511]  ? print_usage_bug+0xc0/0xc0
[  418.012575]  ? print_usage_bug+0xc0/0xc0
[  418.016650]  ? zap_class+0x640/0x640
[  418.020373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.025922]  ? find_held_lock+0x36/0x1c0
[  418.029997]  ? mark_held_locks+0xc7/0x130
[  418.034154]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  418.039261]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  418.044386]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.049024]  ? trace_hardirqs_on+0xbd/0x310
[  418.053391]  ? kasan_check_read+0x11/0x20
[  418.057555]  ? ___ratelimit+0x3b4/0x672
[  418.061530]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.066656]  ? trace_hardirqs_on+0x310/0x310
[  418.071067]  ? lock_downgrade+0x900/0x900
[  418.075228]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  418.080335]  ? ___ratelimit+0x3b9/0x672
[  418.084313]  ? idr_get_free+0xf70/0xf70
[  418.088290]  ? find_held_lock+0x36/0x1c0
[  418.092368]  oom_kill_process.cold.27+0x10/0x903
[  418.097127]  ? zap_class+0x640/0x640
[  418.100843]  ? check_preemption_disabled+0x48/0x280
[  418.105864]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  418.110796]  ? kasan_check_read+0x11/0x20
[  418.114947]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.120230]  ? oom_evaluate_task+0x540/0x540
[  418.124653]  ? find_held_lock+0x36/0x1c0
[  418.128726]  ? out_of_memory+0x974/0x1430
[  418.132881]  ? lock_downgrade+0x900/0x900
[  418.137036]  ? check_preemption_disabled+0x48/0x280
[  418.142056]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  418.146986]  ? kasan_check_read+0x11/0x20
[  418.151137]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.156419]  ? rcu_softirq_qs+0x20/0x20
[  418.160443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.165983]  ? oom_evaluate_task+0x302/0x540
[  418.170397]  out_of_memory+0xa84/0x1430
[  418.174382]  ? oom_killer_disable+0x3a0/0x3a0
[  418.178890]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  418.183830]  ? __ww_mutex_check_waiters+0x160/0x160
[  418.188862]  __alloc_pages_slowpath+0x2354/0x2e10
[  418.193745]  ? warn_alloc+0x120/0x120
[  418.197550]  ? mark_held_locks+0x130/0x130
[  418.201793]  ? find_get_entry+0xaae/0x1120
[  418.206043]  ? filemap_map_pages+0x1a20/0x1a20
[  418.210642]  ? zap_class+0x640/0x640
[  418.214367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.219912]  ? check_preemption_disabled+0x48/0x280
[  418.224932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.230474]  ? should_fail+0x22d/0xd01
[  418.234370]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.239481]  ? zap_class+0x640/0x640
[  418.243222]  ? __lock_is_held+0xb5/0x140
[  418.247298]  ? mark_held_locks+0x130/0x130
[  418.251542]  ? lock_release+0xa00/0xa00
[  418.255518]  ? perf_trace_sched_process_exec+0x860/0x860
[  418.260974]  ? xa_load+0x2ba/0x460
[  418.264516]  ? lock_downgrade+0x900/0x900
[  418.268673]  ? __might_sleep+0x95/0x190
[  418.272660]  __alloc_pages_nodemask+0xa80/0xde0
[  418.277339]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.282363]  ? __page_cache_alloc+0x191/0x5c0
[  418.286859]  ? xa_load+0x2e1/0x460
[  418.290435]  ? xa_clear_mark+0x40/0x40
[  418.294329]  ? zap_class+0x640/0x640
[  418.298055]  ? zap_class+0x640/0x640
[  418.301770]  ? zap_class+0x640/0x640
[  418.305490]  ? __do_page_cache_readahead+0x663/0x810
[  418.310604]  ? find_held_lock+0x36/0x1c0
[  418.314681]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  418.320231]  alloc_pages_current+0x173/0x350
[  418.324657]  __page_cache_alloc+0x38c/0x5c0
[  418.328979]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  418.333912]  ? kasan_check_read+0x11/0x20
[  418.338060]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.343386]  ? generic_perform_write+0x6a0/0x6a0
[  418.348144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.353690]  ? check_preemption_disabled+0x48/0x280
[  418.358718]  filemap_fault+0x1595/0x25f0
[  418.362797]  ? __lock_page_or_retry+0xa00/0xa00
[  418.367469]  ? mark_held_locks+0x130/0x130
[  418.371716]  ? filemap_map_pages+0xd6b/0x1a20
[  418.376218]  ? lock_downgrade+0x900/0x900
[  418.380371]  ? check_preemption_disabled+0x48/0x280
[  418.385391]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  418.390321]  ? kasan_check_read+0x11/0x20
[  418.394473]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.399760]  ? rcu_softirq_qs+0x20/0x20
[  418.403749]  ? filemap_map_pages+0xd92/0x1a20
[  418.408253]  ? __lock_acquire+0x62f/0x4c20
[  418.412500]  ? find_get_entries_tag+0x1400/0x1400
[  418.417370]  ? lock_acquire+0x1ed/0x520
[  418.421358]  ? ext4_filemap_fault+0x7a/0xad
[  418.425695]  ? lock_release+0xa00/0xa00
[  418.429674]  ? perf_trace_sched_process_exec+0x860/0x860
[  418.435131]  ? print_usage_bug+0xc0/0xc0
[  418.439195]  ? print_usage_bug+0xc0/0xc0
[  418.443286]  ? down_read+0x8d/0x120
[  418.446927]  ? ext4_filemap_fault+0x7a/0xad
[  418.451256]  ? __down_interruptible+0x700/0x700
[  418.455940]  ext4_filemap_fault+0x82/0xad
[  418.460093]  __do_fault+0x100/0x6b0
[  418.463730]  ? pmd_devmap_trans_unstable+0x220/0x220
[  418.468841]  ? mark_held_locks+0x130/0x130
[  418.473078]  ? mark_held_locks+0x130/0x130
[  418.477319]  ? __might_fault+0x12b/0x1e0
[  418.481384]  ? lock_downgrade+0x900/0x900
[  418.485543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.491087]  __handle_mm_fault+0x3ea0/0x5be0
[  418.495511]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  418.500364]  ? kasan_check_read+0x11/0x20
[  418.504512]  ? _copy_to_user+0xc8/0x110
[  418.508493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.514046]  ? zap_class+0x640/0x640
[  418.517775]  ? zap_class+0x640/0x640
[  418.521502]  ? find_held_lock+0x36/0x1c0
[  418.525582]  ? handle_mm_fault+0x42a/0xc70
[  418.529822]  ? lock_downgrade+0x900/0x900
[  418.533975]  ? check_preemption_disabled+0x48/0x280
[  418.539000]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  418.543931]  ? kasan_check_read+0x11/0x20
[  418.548081]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.553598]  ? rcu_softirq_qs+0x20/0x20
[  418.557585]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.562692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.568232]  ? check_preemption_disabled+0x48/0x280
[  418.573261]  handle_mm_fault+0x54f/0xc70
[  418.577333]  ? __handle_mm_fault+0x5be0/0x5be0
[  418.581926]  ? find_vma+0x34/0x190
[  418.585475]  __do_page_fault+0x5e8/0xe60
[  418.589540]  ? trace_hardirqs_off+0xb8/0x310
[  418.593960]  do_page_fault+0xf2/0x7e0
[  418.597762]  ? vmalloc_sync_all+0x30/0x30
[  418.601933]  ? error_entry+0x70/0xd0
[  418.605655]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.610676]  ? trace_hardirqs_on_caller+0xc0/0x310
[  418.615610]  ? syscall_return_slowpath+0x5e0/0x5e0
[  418.620548]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.625423]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.630447]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  418.635908]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  418.640932]  ? prepare_exit_to_usermode+0x291/0x3b0
[  418.645953]  ? page_fault+0x8/0x30
[  418.649498]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.654349]  ? page_fault+0x8/0x30
[  418.657901]  page_fault+0x1e/0x30
[  418.661358] RIP: 0033:0x4375fe
[  418.664563] Code: Bad RIP value.
[  418.667931] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  418.673297] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  418.680597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  418.688060] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  418.695334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  418.702601] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  418.709913] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  418.709978] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  418.716843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.716848] Call Trace:
[  418.716868]  dump_stack+0x244/0x39d
[  418.716890]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.723470] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.732748]  warn_alloc.cold.116+0xb7/0x1bd
[  418.735306] syz-fuzzer cpuset=/ mems_allowed=0
[  418.738931]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.768030]  ? lock_downgrade+0x900/0x900
[  418.772194]  ? trace_hardirqs_off+0xb8/0x310
[  418.776616]  ? trace_hardirqs_off+0xb8/0x310
[  418.781043]  __alloc_pages_slowpath+0x26e8/0x2e10
[  418.785920]  ? warn_alloc+0x120/0x120
[  418.789729]  ? print_usage_bug+0xc0/0xc0
[  418.793797]  ? warn_alloc+0x120/0x120
[  418.797606]  ? warn_alloc+0x120/0x120
[  418.801421]  ? print_usage_bug+0xc0/0xc0
[  418.805504]  ? print_usage_bug+0xc0/0xc0
[  418.809566]  ? __lock_acquire+0x62f/0x4c20
[  418.813824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.819369]  ? should_fail+0x22d/0xd01
[  418.823286]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.828412]  ? __lock_acquire+0x62f/0x4c20
[  418.832679]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.837783]  ? __lock_acquire+0x62f/0x4c20
[  418.842018]  ? should_fail+0x22d/0xd01
[  418.845906]  ? find_held_lock+0x36/0x1c0
[  418.849980]  ? mark_held_locks+0x130/0x130
[  418.854221]  ? mark_held_locks+0x130/0x130
[  418.858455]  ? zap_class+0x640/0x640
[  418.862177]  ? mark_held_locks+0xc7/0x130
[  418.866324]  ? do_raw_spin_unlock+0xa7/0x330
[  418.870738]  ? zap_class+0x640/0x640
[  418.874453]  ? print_usage_bug+0xc0/0xc0
[  418.878524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.884069]  ? check_preemption_disabled+0x48/0x280
[  418.889100]  ? __lock_is_held+0xb5/0x140
[  418.893169]  __alloc_pages_nodemask+0xa80/0xde0
[  418.897842]  ? zap_class+0x640/0x640
[  418.901564]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.906609]  ? find_held_lock+0x36/0x1c0
[  418.910694]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.915370]  ? lock_downgrade+0x900/0x900
[  418.919558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.925121]  cache_grow_begin+0xa5/0x8c0
[  418.929186]  ? do_raw_spin_unlock+0xa7/0x330
[  418.933620]  fallback_alloc+0x204/0x2e0
[  418.937613]  ____cache_alloc_node+0x1c7/0x1e0
[  418.942126]  kmem_cache_alloc_node+0xe3/0x730
[  418.946646]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.950914]  __alloc_skb+0x119/0x770
[  418.954638]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.959922]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.964335]  ? lock_downgrade+0x900/0x900
[  418.968506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.974064]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.979535]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.985005]  ? addrconf_rs_timer+0x690/0x690
[  418.989437]  ndisc_alloc_skb+0x144/0x340
[  418.993505]  ndisc_send_rs+0x331/0x6e0
[  418.997404]  addrconf_rs_timer+0x314/0x690
[  419.001655]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.005905]  call_timer_fn+0x272/0x920
[  419.009794]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.014036]  ? process_timeout+0x40/0x40
[  419.018110]  ? __run_timers+0x7da/0xc70
[  419.022091]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.026597]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.031096]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.035335]  ? lockdep_hardirqs_on+0x296/0x5b0
[  419.039924]  ? trace_hardirqs_on+0xbd/0x310
[  419.044252]  ? kasan_check_read+0x11/0x20
[  419.048438]  ? __run_timers+0x7da/0xc70
[  419.052434]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.057542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.061816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.066049]  __run_timers+0x7e5/0xc70
[  419.069867]  ? timer_fixup_init+0x70/0x70
[  419.074017]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.078511]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.083010]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.087608]  ? trace_hardirqs_on+0xbd/0x310
[  419.091955]  ? kasan_check_read+0x11/0x20
[  419.096109]  ? finish_task_switch+0x1f4/0x910
[  419.100608]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.105724]  ? compat_start_thread+0x80/0x80
[  419.110177]  ? pvclock_read_flags+0x160/0x160
[  419.114674]  ? __switch_to_asm+0x34/0x70
[  419.118743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.124287]  ? check_preemption_disabled+0x48/0x280
[  419.129315]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  419.134854]  ? rcu_pm_notify+0xc0/0xc0
[  419.138768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.144312]  ? check_preemption_disabled+0x48/0x280
[  419.149339]  run_timer_softirq+0x52/0xb0
[  419.153409]  ? rcu_read_lock_sched_held+0x14f/0x180
[  419.158428]  __do_softirq+0x308/0xb7e
[  419.162238]  ? trace_hardirqs_on_caller+0xc0/0x310
[  419.167172]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.172278]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  419.177734]  ? schedule+0x108/0x460
[  419.181363]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  419.186149]  ? trace_hardirqs_off+0xb8/0x310
[  419.190561]  ? smpboot_thread_fn+0x68b/0xa00
[  419.194970]  ? trace_hardirqs_on+0x310/0x310
[  419.199380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.204958]  ? check_preemption_disabled+0x48/0x280
[  419.209980]  ? takeover_tasklets+0xa90/0xa90
[  419.214410]  run_ksoftirqd+0x5e/0x100
[  419.218213]  smpboot_thread_fn+0x68b/0xa00
[  419.222486]  ? sort_range+0x30/0x30
[  419.226128]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.231263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.236805]  ? __kthread_parkme+0xfb/0x1a0
[  419.241050]  ? sort_range+0x30/0x30
[  419.244679]  kthread+0x35a/0x440
[  419.248051]  ? kthread_stop+0x900/0x900
[  419.252028]  ret_from_fork+0x3a/0x50
[  419.255768] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  419.255773] warn_alloc_show_mem: 1 callbacks suppressed
[  419.255780] Mem-Info:
[  419.262793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.268162] active_anon:56065 inactive_anon:190 isolated_anon:0
[  419.268162]  active_file:11 inactive_file:12 isolated_file:0
[  419.268162]  unevictable:0 dirty:0 writeback:0 unstable:0
[  419.268162]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  419.268162]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  419.268162]  free:13773 free_pcp:518 free_cma:0
[  419.270535] Call Trace:
[  419.279930] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  419.312772]  <IRQ>
[  419.315346] 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
[  419.342842]  dump_stack+0x244/0x39d
[  419.344967] lowmem_reserve[]: 0 2818 6321 6321
[  419.371073]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.374674] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  419.379258]  warn_alloc.cold.116+0xb7/0x1bd
[  419.384416] lowmem_reserve[]: 0 0 3503 3503
[  419.411913]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.416215] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  419.420532]  ? lock_downgrade+0x900/0x900
[  419.425350] lowmem_reserve[]: 0 0 0 0
[  419.454325]  ? trace_hardirqs_off+0xb8/0x310
[  419.458448] 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
[  419.462261]  ? trace_hardirqs_off+0xb8/0x310
[  419.466657] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  419.480181]  __alloc_pages_slowpath+0x26e8/0x2e10
[  419.484566] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  419.499760]  ? warn_alloc+0x120/0x120
[  419.504563] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  419.519474]  ? print_usage_bug+0xc0/0xc0
[  419.523255] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  419.532088]  ? warn_alloc+0x120/0x120
[  419.536127] 266 total pagecache pages
[  419.544695]  ? warn_alloc+0x120/0x120
[  419.548509] 0 pages in swap cache
[  419.552297]  ? print_usage_bug+0xc0/0xc0
[  419.556078] Swap cache stats: add 0, delete 0, find 0/0
[  419.559534]  ? kvm_clock_read+0x18/0x30
[  419.563571] Free swap  = 0kB
[  419.568929]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  419.572877] Total swap = 0kB
[  419.575902]  ? print_usage_bug+0xc0/0xc0
[  419.580894] 1965979 pages RAM
[  419.583912]  ? __lock_acquire+0x62f/0x4c20
[  419.587951] 0 pages HighMem/MovableOnly
[  419.591051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.595265] 342854 pages reserved
[  419.599236]  ? should_fail+0x22d/0xd01
[  419.604752] 0 pages cma reserved
[  419.608200]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.612147] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  419.615424]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.615440]  ? __lock_acquire+0x62f/0x4c20
[  419.615458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.620784] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  419.627211]  ? __lock_acquire+0x62f/0x4c20
[  419.632291] ksoftirqd/1 cpuset=/ mems_allowed=0
[  419.636518]  ? should_fail+0x22d/0xd01
[  419.664651]  ? rcu_irq_exit+0x1a2/0x390
[  419.668652]  ? mark_held_locks+0x130/0x130
[  419.672900]  ? mark_held_locks+0x130/0x130
[  419.677144]  ? mark_held_locks+0xc7/0x130
[  419.681294]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  419.686314]  ? zap_class+0x640/0x640
[  419.690063]  ? print_usage_bug+0xc0/0xc0
[  419.694146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.699721]  ? check_preemption_disabled+0x48/0x280
[  419.704755]  ? __lock_is_held+0xb5/0x140
[  419.708825]  __alloc_pages_nodemask+0xa80/0xde0
[  419.713500]  ? zap_class+0x640/0x640
[  419.717221]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  419.722249]  ? find_held_lock+0x36/0x1c0
[  419.726323]  ? ____cache_alloc_node+0x1c7/0x1e0
[  419.730999]  ? lock_downgrade+0x900/0x900
[  419.735160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.740722]  cache_grow_begin+0xa5/0x8c0
[  419.744786]  ? do_raw_spin_unlock+0xa7/0x330
[  419.749204]  fallback_alloc+0x204/0x2e0
[  419.753186]  ____cache_alloc_node+0x1c7/0x1e0
[  419.757690]  kmem_cache_alloc_node+0xe3/0x730
[  419.762191]  ? ipv6_get_ifaddr+0x42e/0x620
[  419.766439]  __alloc_skb+0x119/0x770
[  419.770151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.775449]  ? netdev_alloc_frag+0x1f0/0x1f0
[  419.779872]  ? lock_downgrade+0x900/0x900
[  419.784039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.789580]  ? refcount_sub_and_test_checked+0x203/0x310
[  419.795045]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  419.800496]  ? addrconf_rs_timer+0x690/0x690
[  419.804929]  ndisc_alloc_skb+0x144/0x340
[  419.809029]  ndisc_send_rs+0x331/0x6e0
[  419.812942]  addrconf_rs_timer+0x314/0x690
[  419.817181]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.821440]  call_timer_fn+0x272/0x920
[  419.825327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.829568]  ? process_timeout+0x40/0x40
[  419.833678]  ? mark_held_locks+0xc7/0x130
[  419.837836]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.842330]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.846829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.851066]  ? lockdep_hardirqs_on+0x296/0x5b0
[  419.855667]  ? trace_hardirqs_on+0xbd/0x310
[  419.859990]  ? kasan_check_read+0x11/0x20
[  419.864140]  ? __run_timers+0x7da/0xc70
[  419.868148]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.873271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.877514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.881756]  __run_timers+0x7e5/0xc70
[  419.885577]  ? timer_fixup_init+0x70/0x70
[  419.889745]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  419.894767]  ? zap_class+0x640/0x640
[  419.898487]  ? print_usage_bug+0xc0/0xc0
[  419.902554]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  419.907753]  ? find_held_lock+0x36/0x1c0
[  419.911825]  ? zap_class+0x640/0x640
[  419.915546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.921086]  ? check_preemption_disabled+0x48/0x280
[  419.926113]  ? __lock_is_held+0xb5/0x140
[  419.930177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.935717]  ? check_preemption_disabled+0x48/0x280
[  419.940739]  run_timer_softirq+0x52/0xb0
[  419.944801]  ? rcu_read_lock_sched_held+0x14f/0x180
[  419.949826]  __do_softirq+0x308/0xb7e
[  419.953641]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  419.958138]  ? lock_downgrade+0x900/0x900
[  419.962295]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.967408]  ? pvclock_read_flags+0x160/0x160
[  419.971915]  ? lapic_next_event+0x5a/0x90
[  419.976066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.981612]  ? kvm_clock_read+0x18/0x30
[  419.985597]  ? kvm_sched_clock_read+0x9/0x20
[  419.990016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.995572]  ? check_preemption_disabled+0x48/0x280
[  420.000601]  irq_exit+0x17f/0x1c0
[  420.004067]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.008918]  ? smp_reschedule_interrupt+0x109/0x650
[  420.013939]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.019826]  ? interrupt_entry+0xb5/0xc0
[  420.023896]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.028917]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.033936]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.038804]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.043821]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.048838]  ? task_prio+0x50/0x50
[  420.052385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.057927]  ? check_preemption_disabled+0x48/0x280
[  420.062950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.067805]  apic_timer_interrupt+0xf/0x20
[  420.072032]  </IRQ>
[  420.074275] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  420.079472] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  420.098375] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  420.106087] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  420.113353] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  420.120656] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  420.127925] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  420.135194] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  420.142490]  retint_kernel+0x1b/0x2d
[  420.146206] RIP: 0010:dump_stack+0x358/0x39d
[  420.150618] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  420.169540] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  420.177251] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  420.184518] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  420.191784] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  420.199066] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  420.206350] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  420.213642]  ? dump_stack+0x34f/0x39d
[  420.217461]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.222671]  ? mark_held_locks+0x130/0x130
[  420.226914]  ? mark_held_locks+0x130/0x130
[  420.231158]  dump_header+0x27b/0xf72
[  420.234894]  ? pagefault_out_of_memory+0x197/0x197
[  420.239838]  ? __lock_acquire+0x62f/0x4c20
[  420.244076]  ? percpu_ref_get_many+0x240/0x240
[  420.248667]  ? print_usage_bug+0xc0/0xc0
[  420.252744]  ? zap_class+0x640/0x640
[  420.256461]  ? print_usage_bug+0xc0/0xc0
[  420.260536]  ? print_usage_bug+0xc0/0xc0
[  420.264604]  ? zap_class+0x640/0x640
[  420.268332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.273875]  ? find_held_lock+0x36/0x1c0
[  420.277955]  ? mark_held_locks+0xc7/0x130
[  420.282279]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  420.287381]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  420.292489]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.297091]  ? trace_hardirqs_on+0xbd/0x310
[  420.301411]  ? kasan_check_read+0x11/0x20
[  420.305560]  ? ___ratelimit+0x3b4/0x672
[  420.309539]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.314653]  ? trace_hardirqs_on+0x310/0x310
[  420.319067]  ? lock_downgrade+0x900/0x900
[  420.323228]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  420.328332]  ? ___ratelimit+0x3b9/0x672
[  420.332312]  ? idr_get_free+0xf70/0xf70
[  420.336318]  ? find_held_lock+0x36/0x1c0
[  420.340392]  oom_kill_process.cold.27+0x10/0x903
[  420.345167]  ? zap_class+0x640/0x640
[  420.348884]  ? check_preemption_disabled+0x48/0x280
[  420.353915]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  420.358844]  ? kasan_check_read+0x11/0x20
[  420.363000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.368280]  ? oom_evaluate_task+0x540/0x540
[  420.372693]  ? find_held_lock+0x36/0x1c0
[  420.376766]  ? out_of_memory+0x974/0x1430
[  420.380919]  ? lock_downgrade+0x900/0x900
[  420.385070]  ? check_preemption_disabled+0x48/0x280
[  420.390094]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  420.395025]  ? kasan_check_read+0x11/0x20
[  420.399172]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.404453]  ? rcu_softirq_qs+0x20/0x20
[  420.408437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.413973]  ? oom_evaluate_task+0x302/0x540
[  420.418390]  out_of_memory+0xa84/0x1430
[  420.422391]  ? oom_killer_disable+0x3a0/0x3a0
[  420.426900]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  420.431833]  ? __ww_mutex_check_waiters+0x160/0x160
[  420.436868]  __alloc_pages_slowpath+0x2354/0x2e10
[  420.441748]  ? warn_alloc+0x120/0x120
[  420.445550]  ? mark_held_locks+0x130/0x130
[  420.449790]  ? find_get_entry+0xaae/0x1120
[  420.454039]  ? filemap_map_pages+0x1a20/0x1a20
[  420.458644]  ? zap_class+0x640/0x640
[  420.462369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.467913]  ? check_preemption_disabled+0x48/0x280
[  420.472932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.478475]  ? should_fail+0x22d/0xd01
[  420.482374]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.487480]  ? zap_class+0x640/0x640
[  420.491228]  ? __lock_is_held+0xb5/0x140
[  420.495304]  ? mark_held_locks+0x130/0x130
[  420.499545]  ? lock_release+0xa00/0xa00
[  420.503518]  ? perf_trace_sched_process_exec+0x860/0x860
[  420.508983]  ? xa_load+0x2ba/0x460
[  420.512528]  ? lock_downgrade+0x900/0x900
[  420.516702]  ? __might_sleep+0x95/0x190
[  420.520692]  __alloc_pages_nodemask+0xa80/0xde0
[  420.525377]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  420.530396]  ? __page_cache_alloc+0x191/0x5c0
[  420.534900]  ? xa_load+0x2e1/0x460
[  420.538446]  ? xa_clear_mark+0x40/0x40
[  420.542368]  ? zap_class+0x640/0x640
[  420.546091]  ? zap_class+0x640/0x640
[  420.550046]  ? zap_class+0x640/0x640
[  420.553763]  ? __do_page_cache_readahead+0x663/0x810
[  420.558874]  ? find_held_lock+0x36/0x1c0
[  420.562947]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  420.568495]  alloc_pages_current+0x173/0x350
[  420.572918]  __page_cache_alloc+0x38c/0x5c0
[  420.577242]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  420.582170]  ? kasan_check_read+0x11/0x20
[  420.586317]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.591599]  ? generic_perform_write+0x6a0/0x6a0
[  420.596371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.601916]  ? check_preemption_disabled+0x48/0x280
[  420.606941]  filemap_fault+0x1595/0x25f0
[  420.611069]  ? __lock_page_or_retry+0xa00/0xa00
[  420.615742]  ? mark_held_locks+0x130/0x130
[  420.619993]  ? filemap_map_pages+0xd6b/0x1a20
[  420.624496]  ? lock_downgrade+0x900/0x900
[  420.628680]  ? check_preemption_disabled+0x48/0x280
[  420.633711]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  420.638648]  ? kasan_check_read+0x11/0x20
[  420.642801]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.648082]  ? rcu_softirq_qs+0x20/0x20
[  420.652074]  ? filemap_map_pages+0xd92/0x1a20
[  420.656575]  ? __lock_acquire+0x62f/0x4c20
[  420.660823]  ? find_get_entries_tag+0x1400/0x1400
[  420.665692]  ? lock_acquire+0x1ed/0x520
[  420.669666]  ? ext4_filemap_fault+0x7a/0xad
[  420.674002]  ? lock_release+0xa00/0xa00
[  420.677979]  ? perf_trace_sched_process_exec+0x860/0x860
[  420.683636]  ? print_usage_bug+0xc0/0xc0
[  420.687702]  ? print_usage_bug+0xc0/0xc0
[  420.691782]  ? down_read+0x8d/0x120
[  420.695410]  ? ext4_filemap_fault+0x7a/0xad
[  420.699737]  ? __down_interruptible+0x700/0x700
[  420.704437]  ext4_filemap_fault+0x82/0xad
[  420.708610]  __do_fault+0x100/0x6b0
[  420.712254]  ? pmd_devmap_trans_unstable+0x220/0x220
[  420.717366]  ? mark_held_locks+0x130/0x130
[  420.721605]  ? mark_held_locks+0x130/0x130
[  420.725849]  ? __might_fault+0x12b/0x1e0
[  420.729918]  ? lock_downgrade+0x900/0x900
[  420.734112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.739664]  __handle_mm_fault+0x3ea0/0x5be0
[  420.744112]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  420.749061]  ? kasan_check_read+0x11/0x20
[  420.753209]  ? _copy_to_user+0xc8/0x110
[  420.757193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.762744]  ? zap_class+0x640/0x640
[  420.766457]  ? zap_class+0x640/0x640
[  420.770177]  ? find_held_lock+0x36/0x1c0
[  420.774253]  ? handle_mm_fault+0x42a/0xc70
[  420.778494]  ? lock_downgrade+0x900/0x900
[  420.782652]  ? check_preemption_disabled+0x48/0x280
[  420.787680]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  420.792632]  ? kasan_check_read+0x11/0x20
[  420.796786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.802066]  ? rcu_softirq_qs+0x20/0x20
[  420.806046]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.811150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.816691]  ? check_preemption_disabled+0x48/0x280
[  420.821717]  handle_mm_fault+0x54f/0xc70
[  420.825784]  ? __handle_mm_fault+0x5be0/0x5be0
[  420.830415]  ? find_vma+0x34/0x190
[  420.833980]  __do_page_fault+0x5e8/0xe60
[  420.838044]  ? trace_hardirqs_off+0xb8/0x310
[  420.842476]  do_page_fault+0xf2/0x7e0
[  420.846294]  ? vmalloc_sync_all+0x30/0x30
[  420.850460]  ? error_entry+0x70/0xd0
[  420.854176]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.859193]  ? trace_hardirqs_on_caller+0xc0/0x310
[  420.864124]  ? syscall_return_slowpath+0x5e0/0x5e0
[  420.869056]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.873906]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.878924]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  420.884377]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  420.889424]  ? prepare_exit_to_usermode+0x291/0x3b0
[  420.894440]  ? page_fault+0x8/0x30
[  420.897985]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.902847]  ? page_fault+0x8/0x30
[  420.906389]  page_fault+0x1e/0x30
[  420.909840] RIP: 0033:0x4375fe
[  420.913045] Code: Bad RIP value.
[  420.916410] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  420.921772] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  420.929040] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  420.936369] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  420.943659] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  420.950929] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  420.958222] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  420.958286] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  420.965152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.965157] Call Trace:
[  420.965177]  dump_stack+0x244/0x39d
[  420.965198]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.971725] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.981029]  warn_alloc.cold.116+0xb7/0x1bd
[  420.983582] syz-fuzzer cpuset=/ mems_allowed=0
[  420.987201]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.016294]  ? lock_downgrade+0x900/0x900
[  421.020454]  ? trace_hardirqs_off+0xb8/0x310
[  421.024873]  ? trace_hardirqs_off+0xb8/0x310
[  421.029296]  __alloc_pages_slowpath+0x26e8/0x2e10
[  421.034175]  ? warn_alloc+0x120/0x120
[  421.037979]  ? print_usage_bug+0xc0/0xc0
[  421.042061]  ? warn_alloc+0x120/0x120
[  421.045868]  ? warn_alloc+0x120/0x120
[  421.049671]  ? print_usage_bug+0xc0/0xc0
[  421.053743]  ? print_usage_bug+0xc0/0xc0
[  421.057811]  ? __lock_acquire+0x62f/0x4c20
[  421.062054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.067591]  ? should_fail+0x22d/0xd01
[  421.071486]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.076591]  ? __lock_acquire+0x62f/0x4c20
[  421.080837]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.085941]  ? __lock_acquire+0x62f/0x4c20
[  421.090176]  ? should_fail+0x22d/0xd01
[  421.094064]  ? find_held_lock+0x36/0x1c0
[  421.098138]  ? mark_held_locks+0x130/0x130
[  421.102381]  ? mark_held_locks+0x130/0x130
[  421.106622]  ? zap_class+0x640/0x640
[  421.110351]  ? zap_class+0x640/0x640
[  421.114092]  ? print_usage_bug+0xc0/0xc0
[  421.118167]  ? do_raw_spin_unlock+0xa7/0x330
[  421.122583]  ? zap_class+0x640/0x640
[  421.126310]  ? print_usage_bug+0xc0/0xc0
[  421.130369]  ? wq_watchdog_touch+0x9c/0xfe
[  421.134613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.140190]  ? check_preemption_disabled+0x48/0x280
[  421.145235]  ? __lock_is_held+0xb5/0x140
[  421.149302]  __alloc_pages_nodemask+0xa80/0xde0
[  421.154016]  ? zap_class+0x640/0x640
[  421.157753]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  421.162783]  ? find_held_lock+0x36/0x1c0
[  421.166855]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.171527]  ? lock_downgrade+0x900/0x900
[  421.175686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.181235]  cache_grow_begin+0xa5/0x8c0
[  421.185327]  ? do_raw_spin_unlock+0xa7/0x330
[  421.189746]  fallback_alloc+0x204/0x2e0
[  421.193729]  ____cache_alloc_node+0x1c7/0x1e0
[  421.198237]  kmem_cache_alloc_node+0xe3/0x730
[  421.202740]  ? ipv6_get_ifaddr+0x42e/0x620
[  421.206989]  __alloc_skb+0x119/0x770
[  421.210709]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.215997]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.220442]  ? lock_downgrade+0x900/0x900
[  421.224597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.230171]  ? refcount_sub_and_test_checked+0x203/0x310
[  421.235633]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  421.241101]  ? addrconf_rs_timer+0x690/0x690
[  421.245524]  ndisc_alloc_skb+0x144/0x340
[  421.249595]  ndisc_send_rs+0x331/0x6e0
[  421.253496]  addrconf_rs_timer+0x314/0x690
[  421.257743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.261992]  call_timer_fn+0x272/0x920
[  421.265880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.270139]  ? process_timeout+0x40/0x40
[  421.274212]  ? __run_timers+0x7da/0xc70
[  421.278198]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.282697]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.287193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.291436]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.296023]  ? trace_hardirqs_on+0xbd/0x310
[  421.300345]  ? kasan_check_read+0x11/0x20
[  421.304496]  ? __run_timers+0x7da/0xc70
[  421.308476]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.313585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.317830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.322068]  __run_timers+0x7e5/0xc70
[  421.325887]  ? timer_fixup_init+0x70/0x70
[  421.330038]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.334538]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.339057]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.343651]  ? trace_hardirqs_on+0xbd/0x310
[  421.347975]  ? kasan_check_read+0x11/0x20
[  421.352143]  ? finish_task_switch+0x1f4/0x910
[  421.356661]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.361771]  ? compat_start_thread+0x80/0x80
[  421.366203]  ? pvclock_read_flags+0x160/0x160
[  421.370696]  ? __switch_to_asm+0x34/0x70
[  421.374762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.380302]  ? check_preemption_disabled+0x48/0x280
[  421.385329]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  421.390878]  ? rcu_pm_notify+0xc0/0xc0
[  421.394797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.400336]  ? check_preemption_disabled+0x48/0x280
[  421.405365]  run_timer_softirq+0x52/0xb0
[  421.409433]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.414452]  __do_softirq+0x308/0xb7e
[  421.418263]  ? trace_hardirqs_on_caller+0xc0/0x310
[  421.423200]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.428304]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  421.433765]  ? schedule+0x108/0x460
[  421.437399]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  421.442168]  ? trace_hardirqs_off+0xb8/0x310
[  421.446583]  ? smpboot_thread_fn+0x68b/0xa00
[  421.450996]  ? trace_hardirqs_on+0x310/0x310
[  421.455412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.460960]  ? check_preemption_disabled+0x48/0x280
[  421.465981]  ? takeover_tasklets+0xa90/0xa90
[  421.470403]  run_ksoftirqd+0x5e/0x100
[  421.474219]  smpboot_thread_fn+0x68b/0xa00
[  421.478461]  ? sort_range+0x30/0x30
[  421.482092]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.487198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.492737]  ? __kthread_parkme+0xfb/0x1a0
[  421.496981]  ? sort_range+0x30/0x30
[  421.500609]  kthread+0x35a/0x440
[  421.503986]  ? kthread_stop+0x900/0x900
[  421.507964]  ret_from_fork+0x3a/0x50
[  421.511696] warn_alloc_show_mem: 1 callbacks suppressed
[  421.511708] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  421.511710] Mem-Info:
[  421.511743] active_anon:56065 inactive_anon:190 isolated_anon:0
[  421.511743]  active_file:11 inactive_file:12 isolated_file:0
[  421.511743]  unevictable:0 dirty:0 writeback:0 unstable:0
[  421.511743]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  421.511743]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  421.511743]  free:13773 free_pcp:518 free_cma:0
[  421.517094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.524109] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  421.526510] Call Trace:
[  421.559375] 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
[  421.568721]  <IRQ>
[  421.596204] lowmem_reserve[]: 0 2818 6321 6321
[  421.598799]  dump_stack+0x244/0x39d
[  421.624886] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  421.627038]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.631592] lowmem_reserve[]: 0 0 3503 3503
[  421.635237]  warn_alloc.cold.116+0xb7/0x1bd
[  421.662706] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  421.667897]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.672185] lowmem_reserve[]: 0 0 0 0
[  421.676507]  ? lock_downgrade+0x900/0x900
[  421.705456] 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
[  421.710320]  ? trace_hardirqs_off+0xb8/0x310
[  421.714094] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  421.718240]  ? trace_hardirqs_off+0xb8/0x310
[  421.731741] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  421.736154]  __alloc_pages_slowpath+0x26e8/0x2e10
[  421.751317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  421.755740]  ? warn_alloc+0x120/0x120
[  421.770635] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  421.770645] 266 total pagecache pages
[  421.775485]  ? print_usage_bug+0xc0/0xc0
[  421.784304] 0 pages in swap cache
[  421.788095]  ? warn_alloc+0x120/0x120
[  421.796660] Swap cache stats: add 0, delete 0, find 0/0
[  421.800470]  ? warn_alloc+0x120/0x120
[  421.804508] Free swap  = 0kB
[  421.807957]  ? print_usage_bug+0xc0/0xc0
[  421.811736] Total swap = 0kB
[  421.817094]  ? print_usage_bug+0xc0/0xc0
[  421.820871] 1965979 pages RAM
[  421.823896]  ? __lock_acquire+0x62f/0x4c20
[  421.827931] 0 pages HighMem/MovableOnly
[  421.830949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.834986] 342854 pages reserved
[  421.838090]  ? should_fail+0x22d/0xd01
[  421.842299] 0 pages cma reserved
[  421.846268]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.851857] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  421.855241]  ? __lock_acquire+0x62f/0x4c20
[  421.855261]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.855278]  ? __lock_acquire+0x62f/0x4c20
[  421.859206] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.862523]  ? should_fail+0x22d/0xd01
[  421.867603] ksoftirqd/1 cpuset=/ mems_allowed=0
[  421.874097]  ? find_held_lock+0x36/0x1c0
[  421.910498]  ? mark_held_locks+0x130/0x130
[  421.914743]  ? mark_held_locks+0x130/0x130
[  421.918980]  ? zap_class+0x640/0x640
[  421.922699]  ? zap_class+0x640/0x640
[  421.926421]  ? print_usage_bug+0xc0/0xc0
[  421.930481]  ? do_raw_spin_unlock+0xa7/0x330
[  421.934920]  ? zap_class+0x640/0x640
[  421.938642]  ? print_usage_bug+0xc0/0xc0
[  421.942726]  ? wq_watchdog_touch+0x9c/0xfe
[  421.946967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.952508]  ? check_preemption_disabled+0x48/0x280
[  421.957535]  ? __lock_is_held+0xb5/0x140
[  421.961606]  __alloc_pages_nodemask+0xa80/0xde0
[  421.966289]  ? zap_class+0x640/0x640
[  421.970014]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  421.975045]  ? find_held_lock+0x36/0x1c0
[  421.979118]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.983791]  ? lock_downgrade+0x900/0x900
[  421.987947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.993494]  cache_grow_begin+0xa5/0x8c0
[  421.997556]  ? do_raw_spin_unlock+0xa7/0x330
[  422.001978]  fallback_alloc+0x204/0x2e0
[  422.005960]  ____cache_alloc_node+0x1c7/0x1e0
[  422.010462]  kmem_cache_alloc_node+0xe3/0x730
[  422.014963]  ? ipv6_get_ifaddr+0x42e/0x620
[  422.019214]  __alloc_skb+0x119/0x770
[  422.022934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.028222]  ? netdev_alloc_frag+0x1f0/0x1f0
[  422.032642]  ? lock_downgrade+0x900/0x900
[  422.036806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.042350]  ? refcount_sub_and_test_checked+0x203/0x310
[  422.047808]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  422.053259]  ? addrconf_rs_timer+0x690/0x690
[  422.057684]  ndisc_alloc_skb+0x144/0x340
[  422.061752]  ndisc_send_rs+0x331/0x6e0
[  422.065655]  addrconf_rs_timer+0x314/0x690
[  422.069910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.074158]  call_timer_fn+0x272/0x920
[  422.078046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.082285]  ? process_timeout+0x40/0x40
[  422.086358]  ? mark_held_locks+0xc7/0x130
[  422.090510]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.095018]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.099517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.103756]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.108343]  ? trace_hardirqs_on+0xbd/0x310
[  422.112669]  ? kasan_check_read+0x11/0x20
[  422.116817]  ? __run_timers+0x7da/0xc70
[  422.120795]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.125914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.130156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.134391]  __run_timers+0x7e5/0xc70
[  422.138206]  ? timer_fixup_init+0x70/0x70
[  422.142357]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  422.147378]  ? zap_class+0x640/0x640
[  422.151099]  ? print_usage_bug+0xc0/0xc0
[  422.155167]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  422.160368]  ? find_held_lock+0x36/0x1c0
[  422.164435]  ? zap_class+0x640/0x640
[  422.168156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.173705]  ? check_preemption_disabled+0x48/0x280
[  422.178735]  ? __lock_is_held+0xb5/0x140
[  422.182802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.188346]  ? check_preemption_disabled+0x48/0x280
[  422.193384]  run_timer_softirq+0x52/0xb0
[  422.197445]  ? rcu_read_lock_sched_held+0x14f/0x180
[  422.202468]  __do_softirq+0x308/0xb7e
[  422.206274]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  422.210769]  ? lock_downgrade+0x900/0x900
[  422.214929]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  422.220042]  ? pvclock_read_flags+0x160/0x160
[  422.224539]  ? lapic_next_event+0x5a/0x90
[  422.228696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.234239]  ? kvm_clock_read+0x18/0x30
[  422.238214]  ? kvm_sched_clock_read+0x9/0x20
[  422.242634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.248184]  ? check_preemption_disabled+0x48/0x280
[  422.253213]  irq_exit+0x17f/0x1c0
[  422.256676]  smp_apic_timer_interrupt+0x1cb/0x760
[  422.261520]  ? smp_reschedule_interrupt+0x109/0x650
[  422.266542]  ? smp_call_function_single_interrupt+0x650/0x650
[  422.272429]  ? interrupt_entry+0xb5/0xc0
[  422.276494]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.281509]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.286533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.291378]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.296399]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.301415]  ? task_prio+0x50/0x50
[  422.304996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.310536]  ? check_preemption_disabled+0x48/0x280
[  422.315559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.320409]  apic_timer_interrupt+0xf/0x20
[  422.324645]  </IRQ>
[  422.326885] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  422.332087] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  422.350990] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  422.358696] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  422.365966] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  422.373236] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  422.380502] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  422.387770] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  422.395068]  retint_kernel+0x1b/0x2d
[  422.398785] RIP: 0010:dump_stack+0x358/0x39d
[  422.403192] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  422.422094] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  422.429802] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  422.437070] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  422.444335] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  422.451605] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  422.458880] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  422.466175]  ? dump_stack+0x34f/0x39d
[  422.469992]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.475196]  ? mark_held_locks+0x130/0x130
[  422.479431]  ? mark_held_locks+0x130/0x130
[  422.483674]  dump_header+0x27b/0xf72
[  422.487401]  ? pagefault_out_of_memory+0x197/0x197
[  422.492339]  ? __lock_acquire+0x62f/0x4c20
[  422.496610]  ? percpu_ref_get_many+0x240/0x240
[  422.501216]  ? print_usage_bug+0xc0/0xc0
[  422.505285]  ? zap_class+0x640/0x640
[  422.509002]  ? print_usage_bug+0xc0/0xc0
[  422.513068]  ? print_usage_bug+0xc0/0xc0
[  422.517138]  ? zap_class+0x640/0x640
[  422.520866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.526415]  ? find_held_lock+0x36/0x1c0
[  422.530492]  ? mark_held_locks+0xc7/0x130
[  422.534653]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.539762]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.544873]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.549688]  ? trace_hardirqs_on+0xbd/0x310
[  422.554016]  ? kasan_check_read+0x11/0x20
[  422.558164]  ? ___ratelimit+0x3b4/0x672
[  422.562159]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.567268]  ? trace_hardirqs_on+0x310/0x310
[  422.571683]  ? lock_downgrade+0x900/0x900
[  422.575843]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  422.580951]  ? ___ratelimit+0x3b9/0x672
[  422.584932]  ? idr_get_free+0xf70/0xf70
[  422.588910]  ? find_held_lock+0x36/0x1c0
[  422.592983]  oom_kill_process.cold.27+0x10/0x903
[  422.597741]  ? zap_class+0x640/0x640
[  422.601484]  ? check_preemption_disabled+0x48/0x280
[  422.606508]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.611438]  ? kasan_check_read+0x11/0x20
[  422.615590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.620869]  ? oom_evaluate_task+0x540/0x540
[  422.625291]  ? find_held_lock+0x36/0x1c0
[  422.629362]  ? out_of_memory+0x974/0x1430
[  422.633512]  ? lock_downgrade+0x900/0x900
[  422.637663]  ? check_preemption_disabled+0x48/0x280
[  422.642687]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.647617]  ? kasan_check_read+0x11/0x20
[  422.651779]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.657061]  ? rcu_softirq_qs+0x20/0x20
[  422.661041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.666578]  ? oom_evaluate_task+0x302/0x540
[  422.670995]  out_of_memory+0xa84/0x1430
[  422.674980]  ? oom_killer_disable+0x3a0/0x3a0
[  422.679482]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  422.684595]  ? __ww_mutex_check_waiters+0x160/0x160
[  422.689645]  __alloc_pages_slowpath+0x2354/0x2e10
[  422.694525]  ? warn_alloc+0x120/0x120
[  422.698325]  ? mark_held_locks+0x130/0x130
[  422.702569]  ? find_get_entry+0xaae/0x1120
[  422.706819]  ? filemap_map_pages+0x1a20/0x1a20
[  422.711411]  ? zap_class+0x640/0x640
[  422.715137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.720678]  ? check_preemption_disabled+0x48/0x280
[  422.725700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.731241]  ? should_fail+0x22d/0xd01
[  422.735135]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.740241]  ? zap_class+0x640/0x640
[  422.743986]  ? __lock_is_held+0xb5/0x140
[  422.748060]  ? mark_held_locks+0x130/0x130
[  422.752302]  ? lock_release+0xa00/0xa00
[  422.756283]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.761738]  ? xa_load+0x2ba/0x460
[  422.765281]  ? lock_downgrade+0x900/0x900
[  422.769439]  ? __might_sleep+0x95/0x190
[  422.773425]  __alloc_pages_nodemask+0xa80/0xde0
[  422.778105]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  422.783126]  ? __page_cache_alloc+0x191/0x5c0
[  422.787634]  ? xa_load+0x2e1/0x460
[  422.791183]  ? xa_clear_mark+0x40/0x40
[  422.795078]  ? zap_class+0x640/0x640
[  422.798803]  ? zap_class+0x640/0x640
[  422.802520]  ? zap_class+0x640/0x640
[  422.806235]  ? __do_page_cache_readahead+0x663/0x810
[  422.811345]  ? find_held_lock+0x36/0x1c0
[  422.815431]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  422.820977]  alloc_pages_current+0x173/0x350
[  422.825413]  __page_cache_alloc+0x38c/0x5c0
[  422.829738]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.834668]  ? kasan_check_read+0x11/0x20
[  422.838822]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.844104]  ? generic_perform_write+0x6a0/0x6a0
[  422.848864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.854415]  ? check_preemption_disabled+0x48/0x280
[  422.859443]  filemap_fault+0x1595/0x25f0
[  422.863523]  ? __lock_page_or_retry+0xa00/0xa00
[  422.868199]  ? mark_held_locks+0x130/0x130
[  422.872446]  ? filemap_map_pages+0xd6b/0x1a20
[  422.876946]  ? lock_downgrade+0x900/0x900
[  422.881097]  ? check_preemption_disabled+0x48/0x280
[  422.886119]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.891052]  ? kasan_check_read+0x11/0x20
[  422.895201]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.900478]  ? rcu_softirq_qs+0x20/0x20
[  422.904471]  ? filemap_map_pages+0xd92/0x1a20
[  422.908974]  ? __lock_acquire+0x62f/0x4c20
[  422.913221]  ? find_get_entries_tag+0x1400/0x1400
[  422.918086]  ? lock_acquire+0x1ed/0x520
[  422.922064]  ? ext4_filemap_fault+0x7a/0xad
[  422.926392]  ? lock_release+0xa00/0xa00
[  422.930370]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.935823]  ? print_usage_bug+0xc0/0xc0
[  422.939894]  ? print_usage_bug+0xc0/0xc0
[  422.943969]  ? down_read+0x8d/0x120
[  422.947599]  ? ext4_filemap_fault+0x7a/0xad
[  422.951936]  ? __down_interruptible+0x700/0x700
[  422.956619]  ext4_filemap_fault+0x82/0xad
[  422.960782]  __do_fault+0x100/0x6b0
[  422.964420]  ? pmd_devmap_trans_unstable+0x220/0x220
[  422.969533]  ? mark_held_locks+0x130/0x130
[  422.973772]  ? mark_held_locks+0x130/0x130
[  422.978013]  ? __might_fault+0x12b/0x1e0
[  422.982079]  ? lock_downgrade+0x900/0x900
[  422.986235]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.991783]  __handle_mm_fault+0x3ea0/0x5be0
[  422.996207]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  423.001065]  ? kasan_check_read+0x11/0x20
[  423.005218]  ? _copy_to_user+0xc8/0x110
[  423.009197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.014749]  ? zap_class+0x640/0x640
[  423.018467]  ? zap_class+0x640/0x640
[  423.022193]  ? find_held_lock+0x36/0x1c0
[  423.026266]  ? handle_mm_fault+0x42a/0xc70
[  423.030508]  ? lock_downgrade+0x900/0x900
[  423.034667]  ? check_preemption_disabled+0x48/0x280
[  423.039691]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.044632]  ? kasan_check_read+0x11/0x20
[  423.048785]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.054067]  ? rcu_softirq_qs+0x20/0x20
[  423.058049]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.063155]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.068700]  ? check_preemption_disabled+0x48/0x280
[  423.073730]  handle_mm_fault+0x54f/0xc70
[  423.077804]  ? __handle_mm_fault+0x5be0/0x5be0
[  423.082396]  ? find_vma+0x34/0x190
[  423.085950]  __do_page_fault+0x5e8/0xe60
[  423.090012]  ? trace_hardirqs_off+0xb8/0x310
[  423.094442]  do_page_fault+0xf2/0x7e0
[  423.098247]  ? vmalloc_sync_all+0x30/0x30
[  423.102399]  ? error_entry+0x70/0xd0
[  423.106120]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.111140]  ? trace_hardirqs_on_caller+0xc0/0x310
[  423.116074]  ? syscall_return_slowpath+0x5e0/0x5e0
[  423.121110]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.125961]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.130985]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  423.136455]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  423.141478]  ? prepare_exit_to_usermode+0x291/0x3b0
[  423.146498]  ? page_fault+0x8/0x30
[  423.150046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.154908]  ? page_fault+0x8/0x30
[  423.158455]  page_fault+0x1e/0x30
[  423.161910] RIP: 0033:0x4375fe
[  423.165118] Code: Bad RIP value.
[  423.168479] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  423.173850] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  423.181122] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  423.188394] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  423.195667] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  423.202934] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  423.210231] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  423.210304] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  423.217161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.217166] Call Trace:
[  423.217187]  dump_stack+0x244/0x39d
[  423.217207]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.224083] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.233047]  warn_alloc.cold.116+0xb7/0x1bd
[  423.233065]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.235752] syz-fuzzer cpuset=/ mems_allowed=0
[  423.239379]  ? lock_downgrade+0x900/0x900
[  423.239411]  ? trace_hardirqs_off+0xb8/0x310
[  423.277141]  ? trace_hardirqs_off+0xb8/0x310
[  423.281564]  __alloc_pages_slowpath+0x26e8/0x2e10
[  423.286447]  ? warn_alloc+0x120/0x120
[  423.290253]  ? print_usage_bug+0xc0/0xc0
[  423.294323]  ? warn_alloc+0x120/0x120
[  423.298131]  ? warn_alloc+0x120/0x120
[  423.301939]  ? print_usage_bug+0xc0/0xc0
[  423.306021]  ? print_usage_bug+0xc0/0xc0
[  423.310090]  ? __lock_acquire+0x62f/0x4c20
[  423.314333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.319873]  ? should_fail+0x22d/0xd01
[  423.323771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.328880]  ? __lock_acquire+0x62f/0x4c20
[  423.333137]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.338329]  ? __lock_acquire+0x62f/0x4c20
[  423.342563]  ? should_fail+0x22d/0xd01
[  423.346452]  ? find_held_lock+0x36/0x1c0
[  423.350526]  ? mark_held_locks+0x130/0x130
[  423.354771]  ? mark_held_locks+0x130/0x130
[  423.359009]  ? zap_class+0x640/0x640
[  423.362726]  ? zap_class+0x640/0x640
[  423.366448]  ? print_usage_bug+0xc0/0xc0
[  423.370511]  ? do_raw_spin_unlock+0xa7/0x330
[  423.374921]  ? zap_class+0x640/0x640
[  423.378644]  ? print_usage_bug+0xc0/0xc0
[  423.382708]  ? wq_watchdog_touch+0x9c/0xfe
[  423.386952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.392492]  ? check_preemption_disabled+0x48/0x280
[  423.397524]  ? __lock_is_held+0xb5/0x140
[  423.401595]  __alloc_pages_nodemask+0xa80/0xde0
[  423.406272]  ? zap_class+0x640/0x640
[  423.409994]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  423.415029]  ? find_held_lock+0x36/0x1c0
[  423.419107]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.423783]  ? lock_downgrade+0x900/0x900
[  423.427941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.433488]  cache_grow_begin+0xa5/0x8c0
[  423.437552]  ? do_raw_spin_unlock+0xa7/0x330
[  423.441970]  fallback_alloc+0x204/0x2e0
[  423.445955]  ____cache_alloc_node+0x1c7/0x1e0
[  423.450458]  kmem_cache_alloc_node+0xe3/0x730
[  423.454955]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.459208]  __alloc_skb+0x119/0x770
[  423.462945]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.468233]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.472651]  ? lock_downgrade+0x900/0x900
[  423.476810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.482348]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.487806]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.493259]  ? addrconf_rs_timer+0x690/0x690
[  423.497689]  ndisc_alloc_skb+0x144/0x340
[  423.501758]  ndisc_send_rs+0x331/0x6e0
[  423.505666]  addrconf_rs_timer+0x314/0x690
[  423.509909]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.514162]  call_timer_fn+0x272/0x920
[  423.518054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.522293]  ? process_timeout+0x40/0x40
[  423.526383]  ? __run_timers+0x7da/0xc70
[  423.530368]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.534868]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.539366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.543611]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.548210]  ? trace_hardirqs_on+0xbd/0x310
[  423.552537]  ? kasan_check_read+0x11/0x20
[  423.556690]  ? __run_timers+0x7da/0xc70
[  423.560671]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.565785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.570027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.574266]  __run_timers+0x7e5/0xc70
[  423.578083]  ? timer_fixup_init+0x70/0x70
[  423.582234]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.586732]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.591231]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.595817]  ? trace_hardirqs_on+0xbd/0x310
[  423.600138]  ? kasan_check_read+0x11/0x20
[  423.604293]  ? finish_task_switch+0x1f4/0x910
[  423.608790]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.613903]  ? compat_start_thread+0x80/0x80
[  423.618340]  ? pvclock_read_flags+0x160/0x160
[  423.622835]  ? __switch_to_asm+0x34/0x70
[  423.626905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.632452]  ? check_preemption_disabled+0x48/0x280
[  423.637485]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  423.643025]  ? rcu_pm_notify+0xc0/0xc0
[  423.646918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.652460]  ? check_preemption_disabled+0x48/0x280
[  423.657484]  run_timer_softirq+0x52/0xb0
[  423.661551]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.666570]  __do_softirq+0x308/0xb7e
[  423.670380]  ? trace_hardirqs_on_caller+0xc0/0x310
[  423.675321]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.680429]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  423.685889]  ? schedule+0x108/0x460
[  423.689524]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  423.694293]  ? trace_hardirqs_off+0xb8/0x310
[  423.698733]  ? smpboot_thread_fn+0x68b/0xa00
[  423.703148]  ? trace_hardirqs_on+0x310/0x310
[  423.707562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.713104]  ? check_preemption_disabled+0x48/0x280
[  423.718128]  ? takeover_tasklets+0xa90/0xa90
[  423.722540]  run_ksoftirqd+0x5e/0x100
[  423.726347]  smpboot_thread_fn+0x68b/0xa00
[  423.730590]  ? sort_range+0x30/0x30
[  423.734220]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  423.739325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.744869]  ? __kthread_parkme+0xfb/0x1a0
[  423.749109]  ? sort_range+0x30/0x30
[  423.752742]  kthread+0x35a/0x440
[  423.756111]  ? kthread_stop+0x900/0x900
[  423.760090]  ret_from_fork+0x3a/0x50
[  423.763820] warn_alloc_show_mem: 1 callbacks suppressed
[  423.763833] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  423.763834] Mem-Info:
[  423.763868] active_anon:56065 inactive_anon:190 isolated_anon:0
[  423.763868]  active_file:11 inactive_file:12 isolated_file:0
[  423.763868]  unevictable:0 dirty:0 writeback:0 unstable:0
[  423.763868]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  423.763868]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  423.763868]  free:13773 free_pcp:518 free_cma:0
[  423.769196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.769205] Call Trace:
[  423.776234] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  423.778643]  <IRQ>
[  423.811512] 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
[  423.820871]  dump_stack+0x244/0x39d
[  423.823429] lowmem_reserve[]: 0 2818 6321 6321
[  423.850929]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.853058] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  423.879173]  warn_alloc.cold.116+0xb7/0x1bd
[  423.882771] lowmem_reserve[]: 0 0 3503 3503
[  423.887347]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.892514] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  423.920009]  ? lock_downgrade+0x900/0x900
[  423.924298] lowmem_reserve[]: 0 0 0 0
[  423.928637]  ? trace_hardirqs_off+0xb8/0x310
[  423.933449] 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
[  423.962423]  ? trace_hardirqs_off+0xb8/0x310
[  423.966564] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  423.970367]  __alloc_pages_slowpath+0x26e8/0x2e10
[  423.974749] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  423.988291]  ? warn_alloc+0x120/0x120
[  423.992666] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  424.007826]  ? warn_alloc+0x120/0x120
[  424.012653] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  424.027558]  ? print_bfs_bug+0x80/0x80
[  424.031333] 266 total pagecache pages
[  424.040163]  ? warn_alloc+0x120/0x120
[  424.043948] 0 pages in swap cache
[  424.052511]  ? kasan_check_read+0x11/0x20
[  424.056377] Swap cache stats: add 0, delete 0, find 0/0
[  424.060186]  ? print_usage_bug+0xc0/0xc0
[  424.063965] Free swap  = 0kB
[  424.067414]  ? print_usage_bug+0xc0/0xc0
[  424.071537] Total swap = 0kB
[  424.076902]  ? kasan_check_read+0x11/0x20
[  424.080931] 1965979 pages RAM
[  424.083947]  ? __lock_acquire+0x2aff/0x4c20
[  424.088003] 0 pages HighMem/MovableOnly
[  424.091016]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.095140] 342854 pages reserved
[  424.098238]  ? should_fail+0x22d/0xd01
[  424.102537] 0 pages cma reserved
[  424.106505]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.112082] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  424.115462]  ? __lock_acquire+0x62f/0x4c20
[  424.115481]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.115498]  ? should_fail+0x22d/0xd01
[  424.119430] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.122734]  ? mark_held_locks+0x130/0x130
[  424.127807] ksoftirqd/1 cpuset=/ mems_allowed=0
[  424.134293]  ? mark_held_locks+0x130/0x130
[  424.170865]  ? print_usage_bug+0xc0/0xc0
[  424.174938]  ? find_held_lock+0x36/0x1c0
[  424.179007]  ? zap_class+0x640/0x640
[  424.182732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.188275]  ? check_preemption_disabled+0x48/0x280
[  424.193306]  ? __lock_is_held+0xb5/0x140
[  424.197376]  __alloc_pages_nodemask+0xa80/0xde0
[  424.202061]  ? zap_class+0x640/0x640
[  424.205787]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  424.210823]  ? find_held_lock+0x36/0x1c0
[  424.214900]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.219581]  ? lock_downgrade+0x900/0x900
[  424.223737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.229281]  cache_grow_begin+0xa5/0x8c0
[  424.233342]  ? do_raw_spin_unlock+0xa7/0x330
[  424.237761]  fallback_alloc+0x204/0x2e0
[  424.241743]  ____cache_alloc_node+0x1c7/0x1e0
[  424.246248]  kmem_cache_alloc_node+0xe3/0x730
[  424.250777]  ? mark_held_locks+0xc7/0x130
[  424.254939]  __alloc_skb+0x119/0x770
[  424.258673]  ? netdev_alloc_frag+0x1f0/0x1f0
[  424.263086]  ? do_raw_spin_trylock+0x270/0x270
[  424.267671]  ? kmem_cache_alloc_trace+0x353/0x750
[  424.272520]  ? queue_work_on+0x12c/0x1e0
[  424.276594]  ? switchdev_port_obj_del+0xdc/0x440
[  424.281363]  ? switchdev_trans_item_enqueue+0x260/0x260
[  424.286728]  ? mod_timer+0x631/0x1560
[  424.290532]  ? wake_up_klogd+0x180/0x180
[  424.294593]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  424.299632]  __br_mdb_notify+0x4ff/0x15d0
[  424.303818]  ? __br_mdb_add+0x7f0/0x7f0
[  424.307808]  ? zap_class+0x640/0x640
[  424.311537]  ? br_multicast_group_expired+0x96/0x610
[  424.316672]  br_mdb_notify+0x310/0x410
[  424.320564]  ? br_mdb_dump+0x27b0/0x27b0
[  424.324639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.330191]  br_multicast_group_expired+0x1bc/0x610
[  424.335231]  ? br_mdb_free+0x80/0x80
[  424.338960]  call_timer_fn+0x272/0x920
[  424.342851]  ? br_mdb_free+0x80/0x80
[  424.346567]  ? process_timeout+0x40/0x40
[  424.350651]  ? mark_held_locks+0xc7/0x130
[  424.354803]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.359303]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.363800]  ? br_mdb_free+0x80/0x80
[  424.367516]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.372105]  ? trace_hardirqs_on+0xbd/0x310
[  424.376430]  ? kasan_check_read+0x11/0x20
[  424.380580]  ? __run_timers+0x7da/0xc70
[  424.384560]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.389675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.393920]  ? br_mdb_free+0x80/0x80
[  424.397641]  __run_timers+0x7e5/0xc70
[  424.401455]  ? timer_fixup_init+0x70/0x70
[  424.405605]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  424.410639]  ? zap_class+0x640/0x640
[  424.414361]  ? print_usage_bug+0xc0/0xc0
[  424.418430]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  424.423642]  ? find_held_lock+0x36/0x1c0
[  424.427711]  ? zap_class+0x640/0x640
[  424.431445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.436993]  ? check_preemption_disabled+0x48/0x280
[  424.442025]  ? __lock_is_held+0xb5/0x140
[  424.446094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.451642]  ? check_preemption_disabled+0x48/0x280
[  424.456669]  run_timer_softirq+0x52/0xb0
[  424.460734]  ? rcu_read_lock_sched_held+0x14f/0x180
[  424.465755]  __do_softirq+0x308/0xb7e
[  424.469560]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  424.474058]  ? lock_downgrade+0x900/0x900
[  424.478215]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  424.483331]  ? pvclock_read_flags+0x160/0x160
[  424.487830]  ? lapic_next_event+0x5a/0x90
[  424.491987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.497534]  ? kvm_clock_read+0x18/0x30
[  424.501512]  ? kvm_sched_clock_read+0x9/0x20
[  424.505923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.511467]  ? check_preemption_disabled+0x48/0x280
[  424.516500]  irq_exit+0x17f/0x1c0
[  424.519969]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.524815]  ? smp_reschedule_interrupt+0x109/0x650
[  424.529839]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.535725]  ? interrupt_entry+0xb5/0xc0
[  424.539793]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.544813]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.550043]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.554895]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.559917]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.564934]  ? task_prio+0x50/0x50
[  424.568478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.574021]  ? check_preemption_disabled+0x48/0x280
[  424.579051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.583912]  apic_timer_interrupt+0xf/0x20
[  424.588141]  </IRQ>
[  424.590380] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  424.595571] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  424.614472] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  424.622179] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  424.629445] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  424.636714] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  424.643980] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  424.651252] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  424.658556]  retint_kernel+0x1b/0x2d
[  424.662272] RIP: 0010:dump_stack+0x358/0x39d
[  424.666681] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  424.685708] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  424.693419] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  424.700686] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  424.707953] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  424.715224] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  424.722490] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  424.729776]  ? dump_stack+0x34f/0x39d
[  424.733599]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.738803]  ? mark_held_locks+0x130/0x130
[  424.743043]  ? mark_held_locks+0x130/0x130
[  424.747287]  dump_header+0x27b/0xf72
[  424.751016]  ? pagefault_out_of_memory+0x197/0x197
[  424.755954]  ? __lock_acquire+0x62f/0x4c20
[  424.760192]  ? percpu_ref_get_many+0x240/0x240
[  424.764779]  ? print_usage_bug+0xc0/0xc0
[  424.768851]  ? zap_class+0x640/0x640
[  424.772569]  ? print_usage_bug+0xc0/0xc0
[  424.776640]  ? print_usage_bug+0xc0/0xc0
[  424.780709]  ? zap_class+0x640/0x640
[  424.784433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.789979]  ? find_held_lock+0x36/0x1c0
[  424.794058]  ? mark_held_locks+0xc7/0x130
[  424.798210]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.803314]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.808419]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  424.813004]  ? trace_hardirqs_on+0xbd/0x310
[  424.817330]  ? kasan_check_read+0x11/0x20
[  424.821479]  ? ___ratelimit+0x3b4/0x672
[  424.825456]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.830562]  ? trace_hardirqs_on+0x310/0x310
[  424.834975]  ? lock_downgrade+0x900/0x900
[  424.839130]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  424.844242]  ? ___ratelimit+0x3b9/0x672
[  424.848219]  ? idr_get_free+0xf70/0xf70
[  424.852193]  ? find_held_lock+0x36/0x1c0
[  424.856269]  oom_kill_process.cold.27+0x10/0x903
[  424.861031]  ? zap_class+0x640/0x640
[  424.864749]  ? check_preemption_disabled+0x48/0x280
[  424.869770]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.874700]  ? kasan_check_read+0x11/0x20
[  424.878854]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.884140]  ? oom_evaluate_task+0x540/0x540
[  424.888561]  ? find_held_lock+0x36/0x1c0
[  424.892639]  ? out_of_memory+0x974/0x1430
[  424.896795]  ? lock_downgrade+0x900/0x900
[  424.900948]  ? check_preemption_disabled+0x48/0x280
[  424.905968]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.910906]  ? kasan_check_read+0x11/0x20
[  424.915055]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.920337]  ? rcu_softirq_qs+0x20/0x20
[  424.924317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.929855]  ? oom_evaluate_task+0x302/0x540
[  424.934276]  out_of_memory+0xa84/0x1430
[  424.938264]  ? oom_killer_disable+0x3a0/0x3a0
[  424.942763]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  424.947706]  ? __ww_mutex_check_waiters+0x160/0x160
[  424.952737]  __alloc_pages_slowpath+0x2354/0x2e10
[  424.957611]  ? warn_alloc+0x120/0x120
[  424.961421]  ? mark_held_locks+0x130/0x130
[  424.965673]  ? find_get_entry+0xaae/0x1120
[  424.969923]  ? filemap_map_pages+0x1a20/0x1a20
[  424.974515]  ? zap_class+0x640/0x640
[  424.978237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.983783]  ? check_preemption_disabled+0x48/0x280
[  424.988802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.994339]  ? should_fail+0x22d/0xd01
[  424.998235]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.003345]  ? zap_class+0x640/0x640
[  425.007089]  ? __lock_is_held+0xb5/0x140
[  425.011161]  ? mark_held_locks+0x130/0x130
[  425.015401]  ? lock_release+0xa00/0xa00
[  425.019377]  ? perf_trace_sched_process_exec+0x860/0x860
[  425.024833]  ? xa_load+0x2ba/0x460
[  425.028379]  ? lock_downgrade+0x900/0x900
[  425.032533]  ? __might_sleep+0x95/0x190
[  425.036513]  __alloc_pages_nodemask+0xa80/0xde0
[  425.041191]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  425.046211]  ? __page_cache_alloc+0x191/0x5c0
[  425.050706]  ? xa_load+0x2e1/0x460
[  425.054249]  ? xa_clear_mark+0x40/0x40
[  425.058142]  ? zap_class+0x640/0x640
[  425.061864]  ? zap_class+0x640/0x640
[  425.065584]  ? zap_class+0x640/0x640
[  425.069301]  ? __do_page_cache_readahead+0x663/0x810
[  425.074415]  ? find_held_lock+0x36/0x1c0
[  425.078488]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  425.084033]  alloc_pages_current+0x173/0x350
[  425.088449]  __page_cache_alloc+0x38c/0x5c0
[  425.092772]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.097707]  ? kasan_check_read+0x11/0x20
[  425.101860]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.107147]  ? generic_perform_write+0x6a0/0x6a0
[  425.111909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.117455]  ? check_preemption_disabled+0x48/0x280
[  425.122482]  filemap_fault+0x1595/0x25f0
[  425.126558]  ? __lock_page_or_retry+0xa00/0xa00
[  425.131229]  ? mark_held_locks+0x130/0x130
[  425.135478]  ? filemap_map_pages+0xd6b/0x1a20
[  425.139977]  ? lock_downgrade+0x900/0x900
[  425.144126]  ? check_preemption_disabled+0x48/0x280
[  425.149150]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.154079]  ? kasan_check_read+0x11/0x20
[  425.158227]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.163504]  ? rcu_softirq_qs+0x20/0x20
[  425.167495]  ? filemap_map_pages+0xd92/0x1a20
[  425.171999]  ? __lock_acquire+0x62f/0x4c20
[  425.176243]  ? find_get_entries_tag+0x1400/0x1400
[  425.181115]  ? lock_acquire+0x1ed/0x520
[  425.185089]  ? ext4_filemap_fault+0x7a/0xad
[  425.189423]  ? lock_release+0xa00/0xa00
[  425.193400]  ? perf_trace_sched_process_exec+0x860/0x860
[  425.198852]  ? print_usage_bug+0xc0/0xc0
[  425.202924]  ? print_usage_bug+0xc0/0xc0
[  425.207003]  ? down_read+0x8d/0x120
[  425.210639]  ? ext4_filemap_fault+0x7a/0xad
[  425.214967]  ? __down_interruptible+0x700/0x700
[  425.219656]  ext4_filemap_fault+0x82/0xad
[  425.223812]  __do_fault+0x100/0x6b0
[  425.227451]  ? pmd_devmap_trans_unstable+0x220/0x220
[  425.232561]  ? mark_held_locks+0x130/0x130
[  425.236801]  ? mark_held_locks+0x130/0x130
[  425.241057]  ? __might_fault+0x12b/0x1e0
[  425.245127]  ? lock_downgrade+0x900/0x900
[  425.249286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.254831]  __handle_mm_fault+0x3ea0/0x5be0
[  425.259253]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  425.264104]  ? kasan_check_read+0x11/0x20
[  425.268255]  ? _copy_to_user+0xc8/0x110
[  425.272237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.277790]  ? zap_class+0x640/0x640
[  425.281503]  ? zap_class+0x640/0x640
[  425.285226]  ? find_held_lock+0x36/0x1c0
[  425.289300]  ? handle_mm_fault+0x42a/0xc70
[  425.293541]  ? lock_downgrade+0x900/0x900
[  425.297692]  ? check_preemption_disabled+0x48/0x280
[  425.302713]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.307652]  ? kasan_check_read+0x11/0x20
[  425.311801]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.317078]  ? rcu_softirq_qs+0x20/0x20
[  425.321054]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.326164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.331708]  ? check_preemption_disabled+0x48/0x280
[  425.336734]  handle_mm_fault+0x54f/0xc70
[  425.340804]  ? __handle_mm_fault+0x5be0/0x5be0
[  425.345392]  ? find_vma+0x34/0x190
[  425.348944]  __do_page_fault+0x5e8/0xe60
[  425.353008]  ? trace_hardirqs_off+0xb8/0x310
[  425.357431]  do_page_fault+0xf2/0x7e0
[  425.361234]  ? vmalloc_sync_all+0x30/0x30
[  425.365392]  ? error_entry+0x70/0xd0
[  425.369114]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.374130]  ? trace_hardirqs_on_caller+0xc0/0x310
[  425.379059]  ? syscall_return_slowpath+0x5e0/0x5e0
[  425.383987]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.388834]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.393850]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  425.399303]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  425.404322]  ? prepare_exit_to_usermode+0x291/0x3b0
[  425.409339]  ? page_fault+0x8/0x30
[  425.412885]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.417738]  ? page_fault+0x8/0x30
[  425.421280]  page_fault+0x1e/0x30
[  425.424738] RIP: 0033:0x4375fe
[  425.427941] Code: Bad RIP value.
[  425.431303] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  425.436667] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  425.443935] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  425.451205] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  425.458471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  425.465737] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  425.473034] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  425.473620] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.480004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.490216] syz-fuzzer cpuset=/ mems_allowed=0
[  425.499551] Call Trace:
[  425.499575]  dump_stack+0x244/0x39d
[  425.510369]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.515582]  warn_alloc.cold.116+0xb7/0x1bd
[  425.519913]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.524764]  ? lock_downgrade+0x900/0x900
[  425.528925]  ? trace_hardirqs_off+0xb8/0x310
[  425.533344]  ? trace_hardirqs_off+0xb8/0x310
[  425.537768]  __alloc_pages_slowpath+0x26e8/0x2e10
[  425.542665]  ? warn_alloc+0x120/0x120
[  425.546471]  ? print_usage_bug+0xc0/0xc0
[  425.550539]  ? warn_alloc+0x120/0x120
[  425.554351]  ? warn_alloc+0x120/0x120
[  425.558154]  ? print_usage_bug+0xc0/0xc0
[  425.562222]  ? print_usage_bug+0xc0/0xc0
[  425.566288]  ? __lock_acquire+0x62f/0x4c20
[  425.570530]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.576069]  ? should_fail+0x22d/0xd01
[  425.579966]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.585073]  ? __lock_acquire+0x62f/0x4c20
[  425.589317]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.594425]  ? __lock_acquire+0x62f/0x4c20
[  425.598663]  ? should_fail+0x22d/0xd01
[  425.602552]  ? find_held_lock+0x36/0x1c0
[  425.606623]  ? mark_held_locks+0x130/0x130
[  425.610877]  ? mark_held_locks+0x130/0x130
[  425.615111]  ? zap_class+0x640/0x640
[  425.618832]  ? zap_class+0x640/0x640
[  425.622550]  ? print_usage_bug+0xc0/0xc0
[  425.626614]  ? do_raw_spin_unlock+0xa7/0x330
[  425.631034]  ? zap_class+0x640/0x640
[  425.634752]  ? print_usage_bug+0xc0/0xc0
[  425.638817]  ? wq_watchdog_touch+0x9c/0xfe
[  425.643060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.648600]  ? check_preemption_disabled+0x48/0x280
[  425.653645]  ? __lock_is_held+0xb5/0x140
[  425.657717]  __alloc_pages_nodemask+0xa80/0xde0
[  425.662394]  ? zap_class+0x640/0x640
[  425.666115]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  425.671149]  ? find_held_lock+0x36/0x1c0
[  425.675226]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.679899]  ? lock_downgrade+0x900/0x900
[  425.684061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.689606]  cache_grow_begin+0xa5/0x8c0
[  425.693679]  ? do_raw_spin_unlock+0xa7/0x330
[  425.698099]  fallback_alloc+0x204/0x2e0
[  425.702082]  ____cache_alloc_node+0x1c7/0x1e0
[  425.706589]  kmem_cache_alloc_node+0xe3/0x730
[  425.711086]  ? ipv6_get_ifaddr+0x42e/0x620
[  425.715333]  __alloc_skb+0x119/0x770
[  425.719046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.724330]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.728740]  ? lock_downgrade+0x900/0x900
[  425.732899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.738442]  ? refcount_sub_and_test_checked+0x203/0x310
[  425.743898]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  425.749352]  ? addrconf_rs_timer+0x690/0x690
[  425.753776]  ndisc_alloc_skb+0x144/0x340
[  425.757849]  ndisc_send_rs+0x331/0x6e0
[  425.761748]  addrconf_rs_timer+0x314/0x690
[  425.765994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.770244]  call_timer_fn+0x272/0x920
[  425.774136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.778550]  ? process_timeout+0x40/0x40
[  425.782633]  ? __run_timers+0x7da/0xc70
[  425.786614]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.791120]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.795618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.799865]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.804464]  ? trace_hardirqs_on+0xbd/0x310
[  425.808803]  ? kasan_check_read+0x11/0x20
[  425.812956]  ? __run_timers+0x7da/0xc70
[  425.816933]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.822043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.826285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.830518]  __run_timers+0x7e5/0xc70
[  425.834332]  ? timer_fixup_init+0x70/0x70
[  425.838480]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.842976]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.847477]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  425.852062]  ? trace_hardirqs_on+0xbd/0x310
[  425.856384]  ? kasan_check_read+0x11/0x20
[  425.860542]  ? finish_task_switch+0x1f4/0x910
[  425.865064]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.870169]  ? compat_start_thread+0x80/0x80
[  425.874644]  ? pvclock_read_flags+0x160/0x160
[  425.879138]  ? __switch_to_asm+0x34/0x70
[  425.883205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.888751]  ? check_preemption_disabled+0x48/0x280
[  425.893783]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  425.899323]  ? rcu_pm_notify+0xc0/0xc0
[  425.903218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.908758]  ? check_preemption_disabled+0x48/0x280
[  425.913781]  run_timer_softirq+0x52/0xb0
[  425.917844]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.922866]  __do_softirq+0x308/0xb7e
[  425.926677]  ? trace_hardirqs_on_caller+0xc0/0x310
[  425.931614]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.936725]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  425.942190]  ? schedule+0x108/0x460
[  425.945822]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  425.950592]  ? trace_hardirqs_off+0xb8/0x310
[  425.955014]  ? smpboot_thread_fn+0x68b/0xa00
[  425.959427]  ? trace_hardirqs_on+0x310/0x310
[  425.963839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.969379]  ? check_preemption_disabled+0x48/0x280
[  425.974412]  ? takeover_tasklets+0xa90/0xa90
[  425.978825]  run_ksoftirqd+0x5e/0x100
[  425.982639]  smpboot_thread_fn+0x68b/0xa00
[  425.986883]  ? sort_range+0x30/0x30
[  425.990515]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.995620]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.001167]  ? __kthread_parkme+0xfb/0x1a0
[  426.005429]  ? sort_range+0x30/0x30
[  426.009059]  kthread+0x35a/0x440
[  426.012427]  ? kthread_stop+0x900/0x900
[  426.016442]  ret_from_fork+0x3a/0x50
[  426.020172] warn_alloc_show_mem: 1 callbacks suppressed
[  426.020184] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  426.020186] Mem-Info:
[  426.020218] active_anon:56065 inactive_anon:190 isolated_anon:0
[  426.020218]  active_file:11 inactive_file:12 isolated_file:0
[  426.020218]  unevictable:0 dirty:0 writeback:0 unstable:0
[  426.020218]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  426.020218]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  426.020218]  free:13773 free_pcp:518 free_cma:0
[  426.025556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.032572] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  426.034979] Call Trace:
[  426.067844] 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
[  426.077191]  <IRQ>
[  426.104676] lowmem_reserve[]: 0 2818 6321 6321
[  426.107256]  dump_stack+0x244/0x39d
[  426.133339] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  426.135487]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.140037] lowmem_reserve[]: 0 0 3503 3503
[  426.143684]  warn_alloc.cold.116+0xb7/0x1bd
[  426.171154] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  426.176339]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.180645] lowmem_reserve[]: 0 0 0 0
[  426.184964]  ? lock_downgrade+0x900/0x900
[  426.213912] 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
[  426.218754]  ? trace_hardirqs_off+0xb8/0x310
[  426.222554] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  426.226699]  ? trace_hardirqs_off+0xb8/0x310
[  426.240198] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  426.244604]  __alloc_pages_slowpath+0x26e8/0x2e10
[  426.259753] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  426.264200]  ? warn_alloc+0x120/0x120
[  426.279071] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  426.283947]  ? warn_alloc+0x120/0x120
[  426.292760] 266 total pagecache pages
[  426.296555]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  426.305108] 0 pages in swap cache
[  426.308902]  ? warn_alloc+0x120/0x120
[  426.312682] Swap cache stats: add 0, delete 0, find 0/0
[  426.317689]  ? print_usage_bug+0xc0/0xc0
[  426.321148] Free swap  = 0kB
[  426.324942]  ? print_usage_bug+0xc0/0xc0
[  426.330283] Total swap = 0kB
[  426.334340]  ? check_usage+0x1aa/0x790
[  426.337334] 1965979 pages RAM
[  426.341394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.344394] 0 pages HighMem/MovableOnly
[  426.348274]  ? should_fail+0x22d/0xd01
[  426.351353] 342854 pages reserved
[  426.356882]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  426.360831] 0 pages cma reserved
[  426.364717]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.368210] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.374018]  ? __lock_acquire+0x62f/0x4c20
[  426.374036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.374053]  ? should_fail+0x22d/0xd01
[  426.377457] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.382507]  ? mark_held_locks+0x130/0x130
[  426.388971] ksoftirqd/1 cpuset=/ mems_allowed=0
[  426.393204]  ? mark_held_locks+0x130/0x130
[  426.425559]  ? print_usage_bug+0xc0/0xc0
[  426.429635]  ? find_held_lock+0x36/0x1c0
[  426.433708]  ? zap_class+0x640/0x640
[  426.437431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.442974]  ? check_preemption_disabled+0x48/0x280
[  426.448006]  ? __lock_is_held+0xb5/0x140
[  426.452079]  __alloc_pages_nodemask+0xa80/0xde0
[  426.456750]  ? zap_class+0x640/0x640
[  426.460471]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  426.465511]  ? find_held_lock+0x36/0x1c0
[  426.469602]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.474283]  ? lock_downgrade+0x900/0x900
[  426.478442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.483989]  cache_grow_begin+0xa5/0x8c0
[  426.488057]  ? do_raw_spin_unlock+0xa7/0x330
[  426.492475]  fallback_alloc+0x204/0x2e0
[  426.496459]  ____cache_alloc_node+0x1c7/0x1e0
[  426.500967]  kmem_cache_alloc_node+0xe3/0x730
[  426.505466]  ? mark_held_locks+0xc7/0x130
[  426.509639]  __alloc_skb+0x119/0x770
[  426.513361]  ? netdev_alloc_frag+0x1f0/0x1f0
[  426.517777]  ? do_raw_spin_trylock+0x270/0x270
[  426.522367]  ? kmem_cache_alloc_trace+0x353/0x750
[  426.527216]  ? queue_work_on+0x12c/0x1e0
[  426.531286]  ? switchdev_port_obj_del+0xdc/0x440
[  426.536048]  ? switchdev_trans_item_enqueue+0x260/0x260
[  426.541441]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  426.546469]  __br_mdb_notify+0x4ff/0x15d0
[  426.550841]  ? __br_mdb_add+0x7f0/0x7f0
[  426.554833]  ? zap_class+0x640/0x640
[  426.558561]  ? br_multicast_group_expired+0x96/0x610
[  426.563671]  ? lock_downgrade+0x900/0x900
[  426.567830]  br_mdb_notify+0x310/0x410
[  426.571726]  ? br_mdb_dump+0x27b0/0x27b0
[  426.575802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.581352]  br_multicast_group_expired+0x1bc/0x610
[  426.586393]  ? br_mdb_free+0x80/0x80
[  426.590125]  call_timer_fn+0x272/0x920
[  426.594013]  ? br_mdb_free+0x80/0x80
[  426.597730]  ? process_timeout+0x40/0x40
[  426.601803]  ? mark_held_locks+0xc7/0x130
[  426.605957]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.610456]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.614954]  ? br_mdb_free+0x80/0x80
[  426.618699]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.623289]  ? trace_hardirqs_on+0xbd/0x310
[  426.627614]  ? kasan_check_read+0x11/0x20
[  426.631770]  ? __run_timers+0x7da/0xc70
[  426.635748]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.640857]  ? br_mdb_free+0x80/0x80
[  426.644585]  ? br_mdb_free+0x80/0x80
[  426.648301]  __run_timers+0x7e5/0xc70
[  426.652118]  ? timer_fixup_init+0x70/0x70
[  426.656273]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  426.661304]  ? zap_class+0x640/0x640
[  426.665030]  ? print_usage_bug+0xc0/0xc0
[  426.669096]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  426.674300]  ? find_held_lock+0x36/0x1c0
[  426.678372]  ? zap_class+0x640/0x640
[  426.682272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.687816]  ? check_preemption_disabled+0x48/0x280
[  426.692845]  ? __lock_is_held+0xb5/0x140
[  426.696916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.702459]  ? check_preemption_disabled+0x48/0x280
[  426.707486]  run_timer_softirq+0x52/0xb0
[  426.711550]  ? rcu_read_lock_sched_held+0x14f/0x180
[  426.716568]  __do_softirq+0x308/0xb7e
[  426.720379]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  426.724876]  ? lock_downgrade+0x900/0x900
[  426.729039]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  426.734153]  ? pvclock_read_flags+0x160/0x160
[  426.738661]  ? lapic_next_event+0x5a/0x90
[  426.742817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.748360]  ? kvm_clock_read+0x18/0x30
[  426.752347]  ? kvm_sched_clock_read+0x9/0x20
[  426.756774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.762318]  ? check_preemption_disabled+0x48/0x280
[  426.767347]  irq_exit+0x17f/0x1c0
[  426.770805]  smp_apic_timer_interrupt+0x1cb/0x760
[  426.775656]  ? smp_reschedule_interrupt+0x109/0x650
[  426.780676]  ? smp_call_function_single_interrupt+0x650/0x650
[  426.786562]  ? interrupt_entry+0xb5/0xc0
[  426.790635]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.795661]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.800680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.805527]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.810546]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.815562]  ? task_prio+0x50/0x50
[  426.819109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.824661]  ? check_preemption_disabled+0x48/0x280
[  426.829687]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.834546]  apic_timer_interrupt+0xf/0x20
[  426.838780]  </IRQ>
[  426.841025] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  426.846221] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  426.865121] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  426.872831] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  426.880101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  426.887367] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  426.894647] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  426.901920] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  426.909224]  retint_kernel+0x1b/0x2d
[  426.912941] RIP: 0010:dump_stack+0x358/0x39d
[  426.917349] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  426.936252] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  426.943956] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  426.951238] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  426.958506] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  426.965773] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  426.973045] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  426.980330]  ? dump_stack+0x34f/0x39d
[  426.984145]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.989344]  ? mark_held_locks+0x130/0x130
[  426.993583]  ? mark_held_locks+0x130/0x130
[  426.997831]  dump_header+0x27b/0xf72
[  427.001568]  ? pagefault_out_of_memory+0x197/0x197
[  427.006506]  ? __lock_acquire+0x62f/0x4c20
[  427.010745]  ? percpu_ref_get_many+0x240/0x240
[  427.015331]  ? print_usage_bug+0xc0/0xc0
[  427.019403]  ? zap_class+0x640/0x640
[  427.023125]  ? print_usage_bug+0xc0/0xc0
[  427.027185]  ? print_usage_bug+0xc0/0xc0
[  427.031252]  ? zap_class+0x640/0x640
[  427.034972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.040519]  ? find_held_lock+0x36/0x1c0
[  427.044596]  ? mark_held_locks+0xc7/0x130
[  427.048758]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.053860]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.058988]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.063575]  ? trace_hardirqs_on+0xbd/0x310
[  427.067905]  ? kasan_check_read+0x11/0x20
[  427.072054]  ? ___ratelimit+0x3b4/0x672
[  427.076034]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.081141]  ? trace_hardirqs_on+0x310/0x310
[  427.085553]  ? lock_downgrade+0x900/0x900
[  427.089712]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.094817]  ? ___ratelimit+0x3b9/0x672
[  427.098796]  ? idr_get_free+0xf70/0xf70
[  427.102771]  ? find_held_lock+0x36/0x1c0
[  427.106847]  oom_kill_process.cold.27+0x10/0x903
[  427.111605]  ? zap_class+0x640/0x640
[  427.115332]  ? check_preemption_disabled+0x48/0x280
[  427.120353]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.125281]  ? kasan_check_read+0x11/0x20
[  427.129433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.134717]  ? oom_evaluate_task+0x540/0x540
[  427.139137]  ? find_held_lock+0x36/0x1c0
[  427.143210]  ? out_of_memory+0x974/0x1430
[  427.147365]  ? lock_downgrade+0x900/0x900
[  427.151520]  ? check_preemption_disabled+0x48/0x280
[  427.156541]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.161469]  ? kasan_check_read+0x11/0x20
[  427.165617]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.170911]  ? rcu_softirq_qs+0x20/0x20
[  427.174900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.180437]  ? oom_evaluate_task+0x302/0x540
[  427.184853]  out_of_memory+0xa84/0x1430
[  427.188842]  ? oom_killer_disable+0x3a0/0x3a0
[  427.193342]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  427.198282]  ? __ww_mutex_check_waiters+0x160/0x160
[  427.203313]  __alloc_pages_slowpath+0x2354/0x2e10
[  427.208219]  ? warn_alloc+0x120/0x120
[  427.212023]  ? mark_held_locks+0x130/0x130
[  427.216265]  ? find_get_entry+0xaae/0x1120
[  427.220515]  ? filemap_map_pages+0x1a20/0x1a20
[  427.225110]  ? zap_class+0x640/0x640
[  427.228833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.234372]  ? check_preemption_disabled+0x48/0x280
[  427.239388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.244931]  ? should_fail+0x22d/0xd01
[  427.248830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.253964]  ? zap_class+0x640/0x640
[  427.257719]  ? __lock_is_held+0xb5/0x140
[  427.261793]  ? mark_held_locks+0x130/0x130
[  427.266051]  ? lock_release+0xa00/0xa00
[  427.270031]  ? perf_trace_sched_process_exec+0x860/0x860
[  427.275483]  ? xa_load+0x2ba/0x460
[  427.279031]  ? lock_downgrade+0x900/0x900
[  427.283189]  ? __might_sleep+0x95/0x190
[  427.287178]  __alloc_pages_nodemask+0xa80/0xde0
[  427.291855]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.296880]  ? __page_cache_alloc+0x191/0x5c0
[  427.301386]  ? xa_load+0x2e1/0x460
[  427.304929]  ? xa_clear_mark+0x40/0x40
[  427.308825]  ? zap_class+0x640/0x640
[  427.312549]  ? zap_class+0x640/0x640
[  427.316264]  ? zap_class+0x640/0x640
[  427.319982]  ? __do_page_cache_readahead+0x663/0x810
[  427.325096]  ? find_held_lock+0x36/0x1c0
[  427.329163]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  427.334709]  alloc_pages_current+0x173/0x350
[  427.339126]  __page_cache_alloc+0x38c/0x5c0
[  427.343446]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.348380]  ? kasan_check_read+0x11/0x20
[  427.352529]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.357811]  ? generic_perform_write+0x6a0/0x6a0
[  427.362569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.368110]  ? check_preemption_disabled+0x48/0x280
[  427.373140]  filemap_fault+0x1595/0x25f0
[  427.377219]  ? __lock_page_or_retry+0xa00/0xa00
[  427.381896]  ? mark_held_locks+0x130/0x130
[  427.386147]  ? filemap_map_pages+0xd6b/0x1a20
[  427.390652]  ? lock_downgrade+0x900/0x900
[  427.394803]  ? check_preemption_disabled+0x48/0x280
[  427.399824]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.404753]  ? kasan_check_read+0x11/0x20
[  427.408906]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.414192]  ? rcu_softirq_qs+0x20/0x20
[  427.418181]  ? filemap_map_pages+0xd92/0x1a20
[  427.422681]  ? __lock_acquire+0x62f/0x4c20
[  427.426936]  ? find_get_entries_tag+0x1400/0x1400
[  427.431806]  ? lock_acquire+0x1ed/0x520
[  427.435785]  ? ext4_filemap_fault+0x7a/0xad
[  427.440114]  ? lock_release+0xa00/0xa00
[  427.444089]  ? perf_trace_sched_process_exec+0x860/0x860
[  427.449540]  ? print_usage_bug+0xc0/0xc0
[  427.453609]  ? print_usage_bug+0xc0/0xc0
[  427.457695]  ? down_read+0x8d/0x120
[  427.461319]  ? ext4_filemap_fault+0x7a/0xad
[  427.465649]  ? __down_interruptible+0x700/0x700
[  427.470332]  ext4_filemap_fault+0x82/0xad
[  427.474482]  __do_fault+0x100/0x6b0
[  427.478122]  ? pmd_devmap_trans_unstable+0x220/0x220
[  427.483229]  ? mark_held_locks+0x130/0x130
[  427.487468]  ? mark_held_locks+0x130/0x130
[  427.491710]  ? __might_fault+0x12b/0x1e0
[  427.495773]  ? lock_downgrade+0x900/0x900
[  427.499933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.505480]  __handle_mm_fault+0x3ea0/0x5be0
[  427.509903]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  427.514824]  ? kasan_check_read+0x11/0x20
[  427.518992]  ? _copy_to_user+0xc8/0x110
[  427.522984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.528548]  ? zap_class+0x640/0x640
[  427.532279]  ? zap_class+0x640/0x640
[  427.536003]  ? find_held_lock+0x36/0x1c0
[  427.540077]  ? handle_mm_fault+0x42a/0xc70
[  427.544318]  ? lock_downgrade+0x900/0x900
[  427.548471]  ? check_preemption_disabled+0x48/0x280
[  427.553493]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.558423]  ? kasan_check_read+0x11/0x20
[  427.562571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.567863]  ? rcu_softirq_qs+0x20/0x20
[  427.571845]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.576953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.582521]  ? check_preemption_disabled+0x48/0x280
[  427.587549]  handle_mm_fault+0x54f/0xc70
[  427.591617]  ? __handle_mm_fault+0x5be0/0x5be0
[  427.596217]  ? find_vma+0x34/0x190
[  427.599769]  __do_page_fault+0x5e8/0xe60
[  427.603829]  ? trace_hardirqs_off+0xb8/0x310
[  427.608250]  do_page_fault+0xf2/0x7e0
[  427.612074]  ? vmalloc_sync_all+0x30/0x30
[  427.616225]  ? error_entry+0x70/0xd0
[  427.619946]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.624967]  ? trace_hardirqs_on_caller+0xc0/0x310
[  427.629907]  ? syscall_return_slowpath+0x5e0/0x5e0
[  427.634840]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.639688]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.644704]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  427.650161]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  427.655182]  ? prepare_exit_to_usermode+0x291/0x3b0
[  427.660199]  ? page_fault+0x8/0x30
[  427.663744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.668590]  ? page_fault+0x8/0x30
[  427.672132]  page_fault+0x1e/0x30
[  427.675584] RIP: 0033:0x4375fe
[  427.678790] Code: Bad RIP value.
[  427.682154] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  427.687518] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  427.694788] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  427.702055] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  427.709321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  427.716586] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  427.723882] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  427.724062] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.730822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.741029] syz-fuzzer cpuset=/ mems_allowed=0
[  427.750374] Call Trace:
[  427.757534]  dump_stack+0x244/0x39d
[  427.761172]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.766380]  warn_alloc.cold.116+0xb7/0x1bd
[  427.770716]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.775566]  ? lock_downgrade+0x900/0x900
[  427.779730]  ? trace_hardirqs_off+0xb8/0x310
[  427.784152]  ? trace_hardirqs_off+0xb8/0x310
[  427.788572]  __alloc_pages_slowpath+0x26e8/0x2e10
[  427.793456]  ? warn_alloc+0x120/0x120
[  427.797280]  ? print_usage_bug+0xc0/0xc0
[  427.801344]  ? warn_alloc+0x120/0x120
[  427.805186]  ? warn_alloc+0x120/0x120
[  427.808989]  ? print_usage_bug+0xc0/0xc0
[  427.813059]  ? print_usage_bug+0xc0/0xc0
[  427.817124]  ? __lock_acquire+0x62f/0x4c20
[  427.821372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.826916]  ? should_fail+0x22d/0xd01
[  427.830810]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.835916]  ? __lock_acquire+0x62f/0x4c20
[  427.840162]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.845265]  ? __lock_acquire+0x62f/0x4c20
[  427.849518]  ? should_fail+0x22d/0xd01
[  427.853411]  ? find_held_lock+0x36/0x1c0
[  427.857486]  ? mark_held_locks+0x130/0x130
[  427.861731]  ? mark_held_locks+0x130/0x130
[  427.865965]  ? zap_class+0x640/0x640
[  427.869684]  ? zap_class+0x640/0x640
[  427.873407]  ? print_usage_bug+0xc0/0xc0
[  427.877484]  ? do_raw_spin_unlock+0xa7/0x330
[  427.881897]  ? zap_class+0x640/0x640
[  427.885616]  ? print_usage_bug+0xc0/0xc0
[  427.889689]  ? wq_watchdog_touch+0x9c/0xfe
[  427.893929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.899472]  ? check_preemption_disabled+0x48/0x280
[  427.904506]  ? __lock_is_held+0xb5/0x140
[  427.908589]  __alloc_pages_nodemask+0xa80/0xde0
[  427.913259]  ? zap_class+0x640/0x640
[  427.916979]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.922022]  ? find_held_lock+0x36/0x1c0
[  427.926096]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.930767]  ? lock_downgrade+0x900/0x900
[  427.934925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.940492]  cache_grow_begin+0xa5/0x8c0
[  427.944566]  ? do_raw_spin_unlock+0xa7/0x330
[  427.948984]  fallback_alloc+0x204/0x2e0
[  427.952968]  ____cache_alloc_node+0x1c7/0x1e0
[  427.957472]  kmem_cache_alloc_node+0xe3/0x730
[  427.961974]  ? ipv6_get_ifaddr+0x42e/0x620
[  427.966221]  __alloc_skb+0x119/0x770
[  427.969935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.975217]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.979638]  ? lock_downgrade+0x900/0x900
[  427.983820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.989362]  ? refcount_sub_and_test_checked+0x203/0x310
[  427.994825]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  428.000280]  ? addrconf_rs_timer+0x690/0x690
[  428.004701]  ndisc_alloc_skb+0x144/0x340
[  428.008772]  ndisc_send_rs+0x331/0x6e0
[  428.012674]  addrconf_rs_timer+0x314/0x690
[  428.016916]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.021170]  call_timer_fn+0x272/0x920
[  428.025061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.029296]  ? process_timeout+0x40/0x40
[  428.033370]  ? __run_timers+0x7da/0xc70
[  428.037352]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.041844]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.046342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.050579]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.055167]  ? trace_hardirqs_on+0xbd/0x310
[  428.059492]  ? kasan_check_read+0x11/0x20
[  428.063650]  ? __run_timers+0x7da/0xc70
[  428.067638]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.072752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.076995]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.081230]  __run_timers+0x7e5/0xc70
[  428.085049]  ? timer_fixup_init+0x70/0x70
[  428.089198]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.093693]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.098191]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.102781]  ? trace_hardirqs_on+0xbd/0x310
[  428.107102]  ? kasan_check_read+0x11/0x20
[  428.111254]  ? finish_task_switch+0x1f4/0x910
[  428.115756]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.120859]  ? compat_start_thread+0x80/0x80
[  428.125342]  ? pvclock_read_flags+0x160/0x160
[  428.129836]  ? __switch_to_asm+0x34/0x70
[  428.133903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.139445]  ? check_preemption_disabled+0x48/0x280
[  428.144474]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  428.150014]  ? rcu_pm_notify+0xc0/0xc0
[  428.153903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.159443]  ? check_preemption_disabled+0x48/0x280
[  428.164466]  run_timer_softirq+0x52/0xb0
[  428.168535]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.173554]  __do_softirq+0x308/0xb7e
[  428.177365]  ? trace_hardirqs_on_caller+0xc0/0x310
[  428.182305]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.187412]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  428.192873]  ? schedule+0x108/0x460
[  428.196500]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  428.201268]  ? trace_hardirqs_off+0xb8/0x310
[  428.205680]  ? smpboot_thread_fn+0x68b/0xa00
[  428.210095]  ? trace_hardirqs_on+0x310/0x310
[  428.214508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.220066]  ? check_preemption_disabled+0x48/0x280
[  428.225083]  ? takeover_tasklets+0xa90/0xa90
[  428.229498]  run_ksoftirqd+0x5e/0x100
[  428.233301]  smpboot_thread_fn+0x68b/0xa00
[  428.237572]  ? sort_range+0x30/0x30
[  428.241201]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  428.246305]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.251844]  ? __kthread_parkme+0xfb/0x1a0
[  428.256085]  ? sort_range+0x30/0x30
[  428.259718]  kthread+0x35a/0x440
[  428.263087]  ? kthread_stop+0x900/0x900
[  428.267068]  ret_from_fork+0x3a/0x50
[  428.270797] warn_alloc_show_mem: 1 callbacks suppressed
[  428.270809] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  428.270810] Mem-Info:
[  428.270843] active_anon:56065 inactive_anon:190 isolated_anon:0
[  428.270843]  active_file:11 inactive_file:12 isolated_file:0
[  428.270843]  unevictable:0 dirty:0 writeback:0 unstable:0
[  428.270843]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  428.270843]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  428.270843]  free:13773 free_pcp:518 free_cma:0
[  428.276181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  428.283197] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  428.285634] Call Trace:
[  428.318501] 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
[  428.327845]  <IRQ>
[  428.355320] lowmem_reserve[]: 0 2818 6321 6321
[  428.357918]  dump_stack+0x244/0x39d
[  428.384001] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  428.386148]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.390707] lowmem_reserve[]: 0 0 3503 3503
[  428.394337]  warn_alloc.cold.116+0xb7/0x1bd
[  428.421802] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  428.426991]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.431286] lowmem_reserve[]: 0 0 0 0
[  428.435608]  ? lock_downgrade+0x900/0x900
[  428.464556] 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
[  428.469400]  ? trace_hardirqs_off+0xb8/0x310
[  428.473177] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  428.477323]  ? trace_hardirqs_off+0xb8/0x310
[  428.490818] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  428.495225]  __alloc_pages_slowpath+0x26e8/0x2e10
[  428.510379] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  428.514845]  ? warn_alloc+0x120/0x120
[  428.529678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  428.534508]  ? warn_alloc+0x120/0x120
[  428.543320] 266 total pagecache pages
[  428.547120]  ? warn_alloc+0x120/0x120
[  428.555897] 0 pages in swap cache
[  428.559702]  ? print_usage_bug+0xc0/0xc0
[  428.563481] Swap cache stats: add 0, delete 0, find 0/0
[  428.567272]  ? print_usage_bug+0xc0/0xc0
[  428.570701] Free swap  = 0kB
[  428.574755]  ? mark_held_locks+0x130/0x130
[  428.580095] Total swap = 0kB
[  428.584154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.587146] 1965979 pages RAM
[  428.591377]  ? should_fail+0x22d/0xd01
[  428.594377] 0 pages HighMem/MovableOnly
[  428.599914]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.603001] 342854 pages reserved
[  428.606894]  ? __lock_acquire+0x62f/0x4c20
[  428.610837] 0 pages cma reserved
[  428.615933]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.619436] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  428.623587]  ? should_fail+0x22d/0xd01
[  428.623613]  ? mark_held_locks+0x130/0x130
[  428.623640]  ? mark_held_locks+0x130/0x130
[  428.627082] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  428.632086]  ? print_usage_bug+0xc0/0xc0
[  428.638553] ksoftirqd/1 cpuset=/ mems_allowed=0
[  428.642438]  ? find_held_lock+0x36/0x1c0
[  428.673968]  ? zap_class+0x640/0x640
[  428.677691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.683378]  ? check_preemption_disabled+0x48/0x280
[  428.688407]  ? __lock_is_held+0xb5/0x140
[  428.692483]  __alloc_pages_nodemask+0xa80/0xde0
[  428.697154]  ? zap_class+0x640/0x640
[  428.700912]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.705948]  ? find_held_lock+0x36/0x1c0
[  428.710029]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.714704]  ? lock_downgrade+0x900/0x900
[  428.718862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.724413]  cache_grow_begin+0xa5/0x8c0
[  428.728475]  ? do_raw_spin_unlock+0xa7/0x330
[  428.732898]  fallback_alloc+0x204/0x2e0
[  428.736883]  ____cache_alloc_node+0x1c7/0x1e0
[  428.741392]  kmem_cache_alloc_node+0xe3/0x730
[  428.745894]  ? mark_held_locks+0xc7/0x130
[  428.750061]  __alloc_skb+0x119/0x770
[  428.753785]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.758196]  ? do_raw_spin_trylock+0x270/0x270
[  428.762779]  ? kmem_cache_alloc_trace+0x353/0x750
[  428.767638]  ? queue_work_on+0x12c/0x1e0
[  428.771712]  ? switchdev_port_obj_del+0xdc/0x440
[  428.776475]  ? switchdev_trans_item_enqueue+0x260/0x260
[  428.781844]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  428.786877]  __br_mdb_notify+0x4ff/0x15d0
[  428.791044]  ? __br_mdb_add+0x7f0/0x7f0
[  428.795049]  ? zap_class+0x640/0x640
[  428.798774]  ? br_multicast_group_expired+0x96/0x610
[  428.803879]  ? lock_downgrade+0x900/0x900
[  428.808042]  br_mdb_notify+0x310/0x410
[  428.811934]  ? br_mdb_dump+0x27b0/0x27b0
[  428.816003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.821555]  br_multicast_group_expired+0x1bc/0x610
[  428.826581]  ? br_mdb_free+0x80/0x80
[  428.830307]  call_timer_fn+0x272/0x920
[  428.834198]  ? br_mdb_free+0x80/0x80
[  428.837923]  ? process_timeout+0x40/0x40
[  428.841996]  ? mark_held_locks+0xc7/0x130
[  428.846151]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.850658]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.855157]  ? br_mdb_free+0x80/0x80
[  428.858874]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.863467]  ? trace_hardirqs_on+0xbd/0x310
[  428.867790]  ? kasan_check_read+0x11/0x20
[  428.871941]  ? __run_timers+0x7da/0xc70
[  428.875921]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.881034]  ? br_mdb_free+0x80/0x80
[  428.884754]  ? br_mdb_free+0x80/0x80
[  428.888467]  __run_timers+0x7e5/0xc70
[  428.892286]  ? timer_fixup_init+0x70/0x70
[  428.896449]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.901470]  ? zap_class+0x640/0x640
[  428.905193]  ? print_usage_bug+0xc0/0xc0
[  428.909260]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  428.914459]  ? find_held_lock+0x36/0x1c0
[  428.918526]  ? zap_class+0x640/0x640
[  428.922252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.927793]  ? check_preemption_disabled+0x48/0x280
[  428.932824]  ? __lock_is_held+0xb5/0x140
[  428.936892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.942432]  ? check_preemption_disabled+0x48/0x280
[  428.947461]  run_timer_softirq+0x52/0xb0
[  428.951526]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.956549]  __do_softirq+0x308/0xb7e
[  428.960358]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  428.964854]  ? lock_downgrade+0x900/0x900
[  428.969015]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.974130]  ? pvclock_read_flags+0x160/0x160
[  428.978640]  ? lapic_next_event+0x5a/0x90
[  428.982812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.988360]  ? kvm_clock_read+0x18/0x30
[  428.992334]  ? kvm_sched_clock_read+0x9/0x20
[  428.996769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.002310]  ? check_preemption_disabled+0x48/0x280
[  429.007341]  irq_exit+0x17f/0x1c0
[  429.010798]  smp_apic_timer_interrupt+0x1cb/0x760
[  429.015653]  ? smp_reschedule_interrupt+0x109/0x650
[  429.020673]  ? smp_call_function_single_interrupt+0x650/0x650
[  429.026560]  ? interrupt_entry+0xb5/0xc0
[  429.030637]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.035661]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.040681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.045531]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.050546]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.055567]  ? task_prio+0x50/0x50
[  429.059113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.064664]  ? check_preemption_disabled+0x48/0x280
[  429.069693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.074547]  apic_timer_interrupt+0xf/0x20
[  429.078778]  </IRQ>
[  429.081022] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  429.086214] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  429.105113] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  429.112820] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  429.120088] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  429.127359] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  429.134638] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  429.141913] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  429.149215]  retint_kernel+0x1b/0x2d
[  429.152933] RIP: 0010:dump_stack+0x358/0x39d
[  429.157388] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  429.176293] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  429.183999] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  429.191272] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  429.198540] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  429.205814] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  429.213082] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  429.220373]  ? dump_stack+0x34f/0x39d
[  429.224194]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.229390]  ? mark_held_locks+0x130/0x130
[  429.233640]  ? mark_held_locks+0x130/0x130
[  429.237886]  dump_header+0x27b/0xf72
[  429.241636]  ? pagefault_out_of_memory+0x197/0x197
[  429.246581]  ? __lock_acquire+0x62f/0x4c20
[  429.250822]  ? percpu_ref_get_many+0x240/0x240
[  429.255412]  ? print_usage_bug+0xc0/0xc0
[  429.259482]  ? zap_class+0x640/0x640
[  429.263221]  ? print_usage_bug+0xc0/0xc0
[  429.267290]  ? print_usage_bug+0xc0/0xc0
[  429.271355]  ? zap_class+0x640/0x640
[  429.275076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.280621]  ? find_held_lock+0x36/0x1c0
[  429.284714]  ? mark_held_locks+0xc7/0x130
[  429.288866]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.293979]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.299086]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  429.303672]  ? trace_hardirqs_on+0xbd/0x310
[  429.307993]  ? kasan_check_read+0x11/0x20
[  429.312143]  ? ___ratelimit+0x3b4/0x672
[  429.316120]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.321226]  ? trace_hardirqs_on+0x310/0x310
[  429.325647]  ? lock_downgrade+0x900/0x900
[  429.329811]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.334923]  ? ___ratelimit+0x3b9/0x672
[  429.338904]  ? idr_get_free+0xf70/0xf70
[  429.342882]  ? find_held_lock+0x36/0x1c0
[  429.346965]  oom_kill_process.cold.27+0x10/0x903
[  429.351723]  ? zap_class+0x640/0x640
[  429.355439]  ? check_preemption_disabled+0x48/0x280
[  429.360460]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.365394]  ? kasan_check_read+0x11/0x20
[  429.369565]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.374851]  ? oom_evaluate_task+0x540/0x540
[  429.379270]  ? find_held_lock+0x36/0x1c0
[  429.383351]  ? out_of_memory+0x974/0x1430
[  429.387505]  ? lock_downgrade+0x900/0x900
[  429.391664]  ? check_preemption_disabled+0x48/0x280
[  429.396685]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.401614]  ? kasan_check_read+0x11/0x20
[  429.405772]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.411057]  ? rcu_softirq_qs+0x20/0x20
[  429.415038]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.420581]  ? oom_evaluate_task+0x302/0x540
[  429.424997]  out_of_memory+0xa84/0x1430
[  429.428985]  ? oom_killer_disable+0x3a0/0x3a0
[  429.433486]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  429.438423]  ? __ww_mutex_check_waiters+0x160/0x160
[  429.443453]  __alloc_pages_slowpath+0x2354/0x2e10
[  429.448327]  ? warn_alloc+0x120/0x120
[  429.452131]  ? mark_held_locks+0x130/0x130
[  429.456376]  ? find_get_entry+0xaae/0x1120
[  429.460623]  ? filemap_map_pages+0x1a20/0x1a20
[  429.465225]  ? zap_class+0x640/0x640
[  429.468949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.474495]  ? check_preemption_disabled+0x48/0x280
[  429.479515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.485060]  ? should_fail+0x22d/0xd01
[  429.488959]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.494065]  ? zap_class+0x640/0x640
[  429.497807]  ? __lock_is_held+0xb5/0x140
[  429.501879]  ? mark_held_locks+0x130/0x130
[  429.506128]  ? lock_release+0xa00/0xa00
[  429.510105]  ? perf_trace_sched_process_exec+0x860/0x860
[  429.515576]  ? xa_load+0x2ba/0x460
[  429.519180]  ? lock_downgrade+0x900/0x900
[  429.523350]  ? __might_sleep+0x95/0x190
[  429.527334]  __alloc_pages_nodemask+0xa80/0xde0
[  429.532011]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  429.537031]  ? __page_cache_alloc+0x191/0x5c0
[  429.541527]  ? xa_load+0x2e1/0x460
[  429.545072]  ? xa_clear_mark+0x40/0x40
[  429.548964]  ? zap_class+0x640/0x640
[  429.552699]  ? zap_class+0x640/0x640
[  429.556413]  ? zap_class+0x640/0x640
[  429.560129]  ? __do_page_cache_readahead+0x663/0x810
[  429.565242]  ? find_held_lock+0x36/0x1c0
[  429.569314]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  429.574863]  alloc_pages_current+0x173/0x350
[  429.579303]  __page_cache_alloc+0x38c/0x5c0
[  429.583636]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.588566]  ? kasan_check_read+0x11/0x20
[  429.592717]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.597999]  ? generic_perform_write+0x6a0/0x6a0
[  429.602757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.608297]  ? check_preemption_disabled+0x48/0x280
[  429.613323]  filemap_fault+0x1595/0x25f0
[  429.617398]  ? __lock_page_or_retry+0xa00/0xa00
[  429.622077]  ? mark_held_locks+0x130/0x130
[  429.626323]  ? filemap_map_pages+0xd6b/0x1a20
[  429.630824]  ? lock_downgrade+0x900/0x900
[  429.634975]  ? check_preemption_disabled+0x48/0x280
[  429.639994]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.644925]  ? kasan_check_read+0x11/0x20
[  429.649076]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.654353]  ? rcu_softirq_qs+0x20/0x20
[  429.658345]  ? filemap_map_pages+0xd92/0x1a20
[  429.662848]  ? __lock_acquire+0x62f/0x4c20
[  429.667097]  ? find_get_entries_tag+0x1400/0x1400
[  429.671967]  ? lock_acquire+0x1ed/0x520
[  429.675941]  ? ext4_filemap_fault+0x7a/0xad
[  429.680271]  ? lock_release+0xa00/0xa00
[  429.684246]  ? perf_trace_sched_process_exec+0x860/0x860
[  429.689700]  ? print_usage_bug+0xc0/0xc0
[  429.694210]  ? print_usage_bug+0xc0/0xc0
[  429.698291]  ? down_read+0x8d/0x120
[  429.701922]  ? ext4_filemap_fault+0x7a/0xad
[  429.706246]  ? __down_interruptible+0x700/0x700
[  429.710930]  ext4_filemap_fault+0x82/0xad
[  429.715085]  __do_fault+0x100/0x6b0
[  429.718723]  ? pmd_devmap_trans_unstable+0x220/0x220
[  429.723840]  ? mark_held_locks+0x130/0x130
[  429.728081]  ? mark_held_locks+0x130/0x130
[  429.732317]  ? __might_fault+0x12b/0x1e0
[  429.736386]  ? lock_downgrade+0x900/0x900
[  429.740540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.746088]  __handle_mm_fault+0x3ea0/0x5be0
[  429.750512]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  429.755364]  ? kasan_check_read+0x11/0x20
[  429.759511]  ? _copy_to_user+0xc8/0x110
[  429.763489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.769044]  ? zap_class+0x640/0x640
[  429.772764]  ? zap_class+0x640/0x640
[  429.776486]  ? find_held_lock+0x36/0x1c0
[  429.780561]  ? handle_mm_fault+0x42a/0xc70
[  429.784807]  ? lock_downgrade+0x900/0x900
[  429.788960]  ? check_preemption_disabled+0x48/0x280
[  429.793987]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.798927]  ? kasan_check_read+0x11/0x20
[  429.803078]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.808357]  ? rcu_softirq_qs+0x20/0x20
[  429.812338]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.817449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.822991]  ? check_preemption_disabled+0x48/0x280
[  429.828018]  handle_mm_fault+0x54f/0xc70
[  429.832085]  ? __handle_mm_fault+0x5be0/0x5be0
[  429.836676]  ? find_vma+0x34/0x190
[  429.840227]  __do_page_fault+0x5e8/0xe60
[  429.844291]  ? trace_hardirqs_off+0xb8/0x310
[  429.848713]  do_page_fault+0xf2/0x7e0
[  429.852518]  ? vmalloc_sync_all+0x30/0x30
[  429.856668]  ? error_entry+0x70/0xd0
[  429.860384]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.865399]  ? trace_hardirqs_on_caller+0xc0/0x310
[  429.870330]  ? syscall_return_slowpath+0x5e0/0x5e0
[  429.875259]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.880109]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.885159]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  429.890611]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  429.895645]  ? prepare_exit_to_usermode+0x291/0x3b0
[  429.900669]  ? page_fault+0x8/0x30
[  429.904216]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.909065]  ? page_fault+0x8/0x30
[  429.912607]  page_fault+0x1e/0x30
[  429.916065] RIP: 0033:0x4375fe
[  429.919268] Code: Bad RIP value.
[  429.922640] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  429.928001] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  429.935267] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  429.942538] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  429.949805] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  429.957071] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  429.964370] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  429.964526] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.971312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.981521] syz-fuzzer cpuset=/ mems_allowed=0
[  429.990865] Call Trace:
[  429.998023]  dump_stack+0x244/0x39d
[  430.001664]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.006871]  warn_alloc.cold.116+0xb7/0x1bd
[  430.011196]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.016048]  ? lock_downgrade+0x900/0x900
[  430.020208]  ? trace_hardirqs_off+0xb8/0x310
[  430.024625]  ? trace_hardirqs_off+0xb8/0x310
[  430.029054]  __alloc_pages_slowpath+0x26e8/0x2e10
[  430.033932]  ? warn_alloc+0x120/0x120
[  430.037739]  ? print_usage_bug+0xc0/0xc0
[  430.041803]  ? warn_alloc+0x120/0x120
[  430.045611]  ? warn_alloc+0x120/0x120
[  430.049429]  ? print_usage_bug+0xc0/0xc0
[  430.053492]  ? print_usage_bug+0xc0/0xc0
[  430.057563]  ? print_usage_bug+0xc0/0xc0
[  430.061641]  ? __lock_acquire+0x62f/0x4c20
[  430.065886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.071429]  ? should_fail+0x22d/0xd01
[  430.075321]  ? __lock_acquire+0x62f/0x4c20
[  430.079561]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.084666]  ? __lock_acquire+0x62f/0x4c20
[  430.088912]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.094016]  ? __lock_acquire+0x62f/0x4c20
[  430.098252]  ? should_fail+0x22d/0xd01
[  430.102153]  ? mark_held_locks+0x130/0x130
[  430.106400]  ? mark_held_locks+0x130/0x130
[  430.110650]  ? lock_downgrade+0x900/0x900
[  430.114808]  ? zap_class+0x640/0x640
[  430.118527]  ? print_usage_bug+0xc0/0xc0
[  430.122590]  ? trace_hardirqs_off+0xb8/0x310
[  430.127000]  ? kasan_check_read+0x11/0x20
[  430.131152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.136693]  ? check_preemption_disabled+0x48/0x280
[  430.141722]  ? __lock_is_held+0xb5/0x140
[  430.145795]  __alloc_pages_nodemask+0xa80/0xde0
[  430.150467]  ? zap_class+0x640/0x640
[  430.154190]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  430.159220]  ? find_held_lock+0x36/0x1c0
[  430.163297]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.167968]  ? lock_downgrade+0x900/0x900
[  430.172125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.177674]  cache_grow_begin+0xa5/0x8c0
[  430.181738]  ? do_raw_spin_unlock+0xa7/0x330
[  430.186157]  fallback_alloc+0x204/0x2e0
[  430.190143]  ____cache_alloc_node+0x1c7/0x1e0
[  430.194659]  kmem_cache_alloc_node+0xe3/0x730
[  430.199162]  ? ipv6_get_ifaddr+0x42e/0x620
[  430.203415]  __alloc_skb+0x119/0x770
[  430.207134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.212422]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.216834]  ? lock_downgrade+0x900/0x900
[  430.220992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.226536]  ? refcount_sub_and_test_checked+0x203/0x310
[  430.231998]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  430.237453]  ? addrconf_rs_timer+0x690/0x690
[  430.241883]  ndisc_alloc_skb+0x144/0x340
[  430.245983]  ndisc_send_rs+0x331/0x6e0
[  430.249895]  addrconf_rs_timer+0x314/0x690
[  430.254138]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.258395]  call_timer_fn+0x272/0x920
[  430.262284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.266522]  ? process_timeout+0x40/0x40
[  430.270596]  ? __run_timers+0x7da/0xc70
[  430.274582]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.279077]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.283570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.287811]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.292402]  ? trace_hardirqs_on+0xbd/0x310
[  430.296726]  ? kasan_check_read+0x11/0x20
[  430.300876]  ? __run_timers+0x7da/0xc70
[  430.304854]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.309968]  ? __queue_work+0x1440/0x1440
[  430.314124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.318362]  __run_timers+0x7e5/0xc70
[  430.322180]  ? timer_fixup_init+0x70/0x70
[  430.326329]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.330829]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.335328]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.339917]  ? trace_hardirqs_on+0xbd/0x310
[  430.344240]  ? kasan_check_read+0x11/0x20
[  430.348397]  ? finish_task_switch+0x1f4/0x910
[  430.352895]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.358004]  ? compat_start_thread+0x80/0x80
[  430.362443]  ? pvclock_read_flags+0x160/0x160
[  430.366940]  ? __switch_to_asm+0x34/0x70
[  430.371009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.376555]  ? check_preemption_disabled+0x48/0x280
[  430.381581]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  430.387122]  ? rcu_pm_notify+0xc0/0xc0
[  430.391017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.396557]  ? check_preemption_disabled+0x48/0x280
[  430.401580]  run_timer_softirq+0x52/0xb0
[  430.405656]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.410679]  __do_softirq+0x308/0xb7e
[  430.414489]  ? trace_hardirqs_on_caller+0xc0/0x310
[  430.419426]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.424533]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  430.429996]  ? schedule+0x108/0x460
[  430.433636]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  430.438412]  ? trace_hardirqs_off+0xb8/0x310
[  430.442824]  ? smpboot_thread_fn+0x68b/0xa00
[  430.447235]  ? trace_hardirqs_on+0x310/0x310
[  430.451654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.457196]  ? check_preemption_disabled+0x48/0x280
[  430.462226]  ? takeover_tasklets+0xa90/0xa90
[  430.466645]  run_ksoftirqd+0x5e/0x100
[  430.470448]  smpboot_thread_fn+0x68b/0xa00
[  430.474689]  ? sort_range+0x30/0x30
[  430.478321]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  430.483429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.488974]  ? __kthread_parkme+0xfb/0x1a0
[  430.493215]  ? sort_range+0x30/0x30
[  430.496845]  kthread+0x35a/0x440
[  430.500215]  ? kthread_stop+0x900/0x900
[  430.504191]  ret_from_fork+0x3a/0x50
[  430.507926] warn_alloc_show_mem: 1 callbacks suppressed
[  430.507938] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  430.507940] Mem-Info:
[  430.507974] active_anon:56065 inactive_anon:190 isolated_anon:0
[  430.507974]  active_file:11 inactive_file:12 isolated_file:0
[  430.507974]  unevictable:0 dirty:0 writeback:0 unstable:0
[  430.507974]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  430.507974]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  430.507974]  free:13773 free_pcp:518 free_cma:0
[  430.513309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.520329] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  430.522732] Call Trace:
[  430.555773] 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
[  430.565121]  <IRQ>
[  430.592612] lowmem_reserve[]: 0 2818 6321 6321
[  430.595211]  dump_stack+0x244/0x39d
[  430.621295] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  430.623446]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.628000] lowmem_reserve[]: 0 0 3503 3503
[  430.631645]  warn_alloc.cold.116+0xb7/0x1bd
[  430.659115] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  430.664306]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.668602] lowmem_reserve[]: 0 0 0 0
[  430.672929]  ? lock_downgrade+0x900/0x900
[  430.702367] 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
[  430.707214]  ? trace_hardirqs_off+0xb8/0x310
[  430.710982] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  430.715126]  ? trace_hardirqs_off+0xb8/0x310
[  430.728618] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  430.733048]  __alloc_pages_slowpath+0x26e8/0x2e10
[  430.748199] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  430.752622]  ? warn_alloc+0x120/0x120
[  430.767492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  430.772323]  ? warn_alloc+0x120/0x120
[  430.781132] 266 total pagecache pages
[  430.784933]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.793486] 0 pages in swap cache
[  430.797274]  ? warn_alloc+0x120/0x120
[  430.801056] Swap cache stats: add 0, delete 0, find 0/0
[  430.806063]  ? print_usage_bug+0xc0/0xc0
[  430.809490] Free swap  = 0kB
[  430.813285]  ? print_usage_bug+0xc0/0xc0
[  430.818623] Total swap = 0kB
[  430.822684]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.825683] 1965979 pages RAM
[  430.829745]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.832735] 0 pages HighMem/MovableOnly
[  430.837923]  ? should_fail+0x22d/0xd01
[  430.841005] 342854 pages reserved
[  430.846537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.850491] 0 pages cma reserved
[  430.854376]  ? __lock_acquire+0x62f/0x4c20
[  430.857894] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  430.862908]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.862922]  ? should_fail+0x22d/0xd01
[  430.862948]  ? mark_held_locks+0x130/0x130
[  430.866346] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.870518]  ? mark_held_locks+0x130/0x130
[  430.876986] ksoftirqd/1 cpuset=/ mems_allowed=0
[  430.882114]  ? print_usage_bug+0xc0/0xc0
[  430.913417]  ? find_held_lock+0x36/0x1c0
[  430.917485]  ? zap_class+0x640/0x640
[  430.921207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.926749]  ? check_preemption_disabled+0x48/0x280
[  430.931777]  ? __lock_is_held+0xb5/0x140
[  430.935846]  __alloc_pages_nodemask+0xa80/0xde0
[  430.940517]  ? zap_class+0x640/0x640
[  430.944238]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  430.949266]  ? find_held_lock+0x36/0x1c0
[  430.953338]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.958011]  ? lock_downgrade+0x900/0x900
[  430.962170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.967714]  cache_grow_begin+0xa5/0x8c0
[  430.971783]  ? do_raw_spin_unlock+0xa7/0x330
[  430.976205]  fallback_alloc+0x204/0x2e0
[  430.980188]  ____cache_alloc_node+0x1c7/0x1e0
[  430.984697]  kmem_cache_alloc_node+0xe3/0x730
[  430.989196]  ? mark_held_locks+0xc7/0x130
[  430.993359]  __alloc_skb+0x119/0x770
[  430.997083]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.001494]  ? do_raw_spin_trylock+0x270/0x270
[  431.006080]  ? kmem_cache_alloc_trace+0x353/0x750
[  431.010930]  ? queue_work_on+0x12c/0x1e0
[  431.015003]  ? switchdev_port_obj_del+0xdc/0x440
[  431.019764]  ? switchdev_trans_item_enqueue+0x260/0x260
[  431.025134]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  431.030163]  __br_mdb_notify+0x4ff/0x15d0
[  431.034327]  ? __br_mdb_add+0x7f0/0x7f0
[  431.038314]  ? zap_class+0x640/0x640
[  431.042043]  ? br_multicast_group_expired+0x96/0x610
[  431.047168]  ? lock_downgrade+0x900/0x900
[  431.051327]  br_mdb_notify+0x310/0x410
[  431.055222]  ? br_mdb_dump+0x27b0/0x27b0
[  431.059290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.064841]  br_multicast_group_expired+0x1bc/0x610
[  431.069865]  ? br_mdb_free+0x80/0x80
[  431.073601]  call_timer_fn+0x272/0x920
[  431.077512]  ? br_mdb_free+0x80/0x80
[  431.081232]  ? process_timeout+0x40/0x40
[  431.085303]  ? mark_held_locks+0xc7/0x130
[  431.089456]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.093949]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.098447]  ? br_mdb_free+0x80/0x80
[  431.102169]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.106758]  ? trace_hardirqs_on+0xbd/0x310
[  431.111082]  ? kasan_check_read+0x11/0x20
[  431.115230]  ? __run_timers+0x7da/0xc70
[  431.119207]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.124319]  ? br_mdb_free+0x80/0x80
[  431.128043]  ? br_mdb_free+0x80/0x80
[  431.131759]  __run_timers+0x7e5/0xc70
[  431.135574]  ? timer_fixup_init+0x70/0x70
[  431.139728]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  431.144750]  ? zap_class+0x640/0x640
[  431.148470]  ? print_usage_bug+0xc0/0xc0
[  431.152538]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  431.157741]  ? find_held_lock+0x36/0x1c0
[  431.161813]  ? zap_class+0x640/0x640
[  431.165536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.171080]  ? check_preemption_disabled+0x48/0x280
[  431.176110]  ? __lock_is_held+0xb5/0x140
[  431.180174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.185716]  ? check_preemption_disabled+0x48/0x280
[  431.190738]  run_timer_softirq+0x52/0xb0
[  431.194801]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.199819]  __do_softirq+0x308/0xb7e
[  431.203624]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  431.208136]  ? lock_downgrade+0x900/0x900
[  431.212303]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  431.217416]  ? pvclock_read_flags+0x160/0x160
[  431.221922]  ? lapic_next_event+0x5a/0x90
[  431.226073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.231618]  ? kvm_clock_read+0x18/0x30
[  431.235603]  ? kvm_sched_clock_read+0x9/0x20
[  431.240024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.245567]  ? check_preemption_disabled+0x48/0x280
[  431.250600]  irq_exit+0x17f/0x1c0
[  431.254065]  smp_apic_timer_interrupt+0x1cb/0x760
[  431.258910]  ? smp_reschedule_interrupt+0x109/0x650
[  431.263936]  ? smp_call_function_single_interrupt+0x650/0x650
[  431.269823]  ? interrupt_entry+0xb5/0xc0
[  431.273896]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.278917]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.283938]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.288786]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.293806]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.298823]  ? task_prio+0x50/0x50
[  431.302400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.307944]  ? check_preemption_disabled+0x48/0x280
[  431.312971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.317825]  apic_timer_interrupt+0xf/0x20
[  431.322054]  </IRQ>
[  431.324296] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  431.329490] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  431.348389] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  431.356100] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  431.363370] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  431.370646] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  431.377919] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  431.385286] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  431.392594]  retint_kernel+0x1b/0x2d
[  431.396321] RIP: 0010:dump_stack+0x358/0x39d
[  431.400731] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  431.419640] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  431.427355] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  431.434621] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  431.441902] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  431.449172] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  431.456443] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  431.463741]  ? dump_stack+0x34f/0x39d
[  431.467558]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.472756]  ? mark_held_locks+0x130/0x130
[  431.476995]  ? mark_held_locks+0x130/0x130
[  431.481238]  dump_header+0x27b/0xf72
[  431.484967]  ? pagefault_out_of_memory+0x197/0x197
[  431.489917]  ? __lock_acquire+0x62f/0x4c20
[  431.494159]  ? percpu_ref_get_many+0x240/0x240
[  431.498746]  ? print_usage_bug+0xc0/0xc0
[  431.502817]  ? zap_class+0x640/0x640
[  431.506537]  ? print_usage_bug+0xc0/0xc0
[  431.510598]  ? print_usage_bug+0xc0/0xc0
[  431.514677]  ? zap_class+0x640/0x640
[  431.518408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.523955]  ? find_held_lock+0x36/0x1c0
[  431.528030]  ? mark_held_locks+0xc7/0x130
[  431.532184]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.537287]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.542391]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.546979]  ? trace_hardirqs_on+0xbd/0x310
[  431.551300]  ? kasan_check_read+0x11/0x20
[  431.555453]  ? ___ratelimit+0x3b4/0x672
[  431.559431]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.564536]  ? trace_hardirqs_on+0x310/0x310
[  431.568951]  ? lock_downgrade+0x900/0x900
[  431.573108]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.578213]  ? ___ratelimit+0x3b9/0x672
[  431.582192]  ? idr_get_free+0xf70/0xf70
[  431.586167]  ? find_held_lock+0x36/0x1c0
[  431.590257]  oom_kill_process.cold.27+0x10/0x903
[  431.595017]  ? zap_class+0x640/0x640
[  431.598738]  ? check_preemption_disabled+0x48/0x280
[  431.603763]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.608699]  ? kasan_check_read+0x11/0x20
[  431.612848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.618127]  ? oom_evaluate_task+0x540/0x540
[  431.622540]  ? find_held_lock+0x36/0x1c0
[  431.626615]  ? out_of_memory+0x974/0x1430
[  431.630775]  ? lock_downgrade+0x900/0x900
[  431.634928]  ? check_preemption_disabled+0x48/0x280
[  431.639953]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.644881]  ? kasan_check_read+0x11/0x20
[  431.649039]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.654320]  ? rcu_softirq_qs+0x20/0x20
[  431.658300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.663837]  ? oom_evaluate_task+0x302/0x540
[  431.668254]  out_of_memory+0xa84/0x1430
[  431.672240]  ? oom_killer_disable+0x3a0/0x3a0
[  431.676745]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  431.681679]  ? __ww_mutex_check_waiters+0x160/0x160
[  431.686711]  __alloc_pages_slowpath+0x2354/0x2e10
[  431.691591]  ? warn_alloc+0x120/0x120
[  431.695394]  ? mark_held_locks+0x130/0x130
[  431.699648]  ? find_get_entry+0xaae/0x1120
[  431.703906]  ? filemap_map_pages+0x1a20/0x1a20
[  431.708497]  ? zap_class+0x640/0x640
[  431.712217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.717776]  ? check_preemption_disabled+0x48/0x280
[  431.722795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.728335]  ? should_fail+0x22d/0xd01
[  431.732232]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.737342]  ? zap_class+0x640/0x640
[  431.741084]  ? __lock_is_held+0xb5/0x140
[  431.745157]  ? mark_held_locks+0x130/0x130
[  431.749399]  ? lock_release+0xa00/0xa00
[  431.753376]  ? perf_trace_sched_process_exec+0x860/0x860
[  431.758827]  ? xa_load+0x2ba/0x460
[  431.762369]  ? lock_downgrade+0x900/0x900
[  431.766527]  ? __might_sleep+0x95/0x190
[  431.770512]  __alloc_pages_nodemask+0xa80/0xde0
[  431.775189]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  431.780207]  ? __page_cache_alloc+0x191/0x5c0
[  431.784706]  ? xa_load+0x2e1/0x460
[  431.788254]  ? xa_clear_mark+0x40/0x40
[  431.792147]  ? zap_class+0x640/0x640
[  431.795871]  ? zap_class+0x640/0x640
[  431.799594]  ? zap_class+0x640/0x640
[  431.803319]  ? __do_page_cache_readahead+0x663/0x810
[  431.808434]  ? find_held_lock+0x36/0x1c0
[  431.812504]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  431.818051]  alloc_pages_current+0x173/0x350
[  431.822471]  __page_cache_alloc+0x38c/0x5c0
[  431.826792]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.831720]  ? kasan_check_read+0x11/0x20
[  431.835870]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.841158]  ? generic_perform_write+0x6a0/0x6a0
[  431.845920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.851463]  ? check_preemption_disabled+0x48/0x280
[  431.856493]  filemap_fault+0x1595/0x25f0
[  431.860583]  ? __lock_page_or_retry+0xa00/0xa00
[  431.865267]  ? mark_held_locks+0x130/0x130
[  431.869513]  ? filemap_map_pages+0xd6b/0x1a20
[  431.874011]  ? lock_downgrade+0x900/0x900
[  431.878165]  ? check_preemption_disabled+0x48/0x280
[  431.883185]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.888116]  ? kasan_check_read+0x11/0x20
[  431.892265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.897543]  ? rcu_softirq_qs+0x20/0x20
[  431.901547]  ? filemap_map_pages+0xd92/0x1a20
[  431.906051]  ? __lock_acquire+0x62f/0x4c20
[  431.910300]  ? find_get_entries_tag+0x1400/0x1400
[  431.915170]  ? lock_acquire+0x1ed/0x520
[  431.919147]  ? ext4_filemap_fault+0x7a/0xad
[  431.923480]  ? lock_release+0xa00/0xa00
[  431.927454]  ? perf_trace_sched_process_exec+0x860/0x860
[  431.932913]  ? print_usage_bug+0xc0/0xc0
[  431.936980]  ? print_usage_bug+0xc0/0xc0
[  431.941059]  ? down_read+0x8d/0x120
[  431.944686]  ? ext4_filemap_fault+0x7a/0xad
[  431.949015]  ? __down_interruptible+0x700/0x700
[  431.953728]  ext4_filemap_fault+0x82/0xad
[  431.957884]  __do_fault+0x100/0x6b0
[  431.961525]  ? pmd_devmap_trans_unstable+0x220/0x220
[  431.966641]  ? mark_held_locks+0x130/0x130
[  431.970879]  ? mark_held_locks+0x130/0x130
[  431.975123]  ? __might_fault+0x12b/0x1e0
[  431.979185]  ? lock_downgrade+0x900/0x900
[  431.983344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.988895]  __handle_mm_fault+0x3ea0/0x5be0
[  431.993314]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  431.998168]  ? kasan_check_read+0x11/0x20
[  432.002318]  ? _copy_to_user+0xc8/0x110
[  432.006298]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.011852]  ? zap_class+0x640/0x640
[  432.015567]  ? zap_class+0x640/0x640
[  432.019290]  ? find_held_lock+0x36/0x1c0
[  432.023362]  ? handle_mm_fault+0x42a/0xc70
[  432.027602]  ? lock_downgrade+0x900/0x900
[  432.031764]  ? check_preemption_disabled+0x48/0x280
[  432.036790]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.041723]  ? kasan_check_read+0x11/0x20
[  432.045872]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.051154]  ? rcu_softirq_qs+0x20/0x20
[  432.055129]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.060238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.065780]  ? check_preemption_disabled+0x48/0x280
[  432.070804]  handle_mm_fault+0x54f/0xc70
[  432.074872]  ? __handle_mm_fault+0x5be0/0x5be0
[  432.079467]  ? find_vma+0x34/0x190
[  432.083030]  __do_page_fault+0x5e8/0xe60
[  432.087093]  ? trace_hardirqs_off+0xb8/0x310
[  432.091516]  do_page_fault+0xf2/0x7e0
[  432.095321]  ? vmalloc_sync_all+0x30/0x30
[  432.099474]  ? error_entry+0x70/0xd0
[  432.103210]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.108230]  ? trace_hardirqs_on_caller+0xc0/0x310
[  432.113159]  ? syscall_return_slowpath+0x5e0/0x5e0
[  432.118090]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.122937]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.127956]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  432.133407]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  432.138433]  ? prepare_exit_to_usermode+0x291/0x3b0
[  432.143454]  ? page_fault+0x8/0x30
[  432.147001]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.151852]  ? page_fault+0x8/0x30
[  432.155394]  page_fault+0x1e/0x30
[  432.158846] RIP: 0033:0x4375fe
[  432.162050] Code: Bad RIP value.
[  432.165411] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  432.170771] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  432.178038] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  432.185305] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  432.192571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  432.199839] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  432.207135] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  432.207298] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  432.214067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  432.214072] Call Trace:
[  432.214093]  dump_stack+0x244/0x39d
[  432.224435] syz-fuzzer cpuset=/ mems_allowed=0
[  432.233796]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.249836]  warn_alloc.cold.116+0xb7/0x1bd
[  432.254166]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.259020]  ? lock_downgrade+0x900/0x900
[  432.263178]  ? trace_hardirqs_off+0xb8/0x310
[  432.267598]  ? trace_hardirqs_off+0xb8/0x310
[  432.272027]  __alloc_pages_slowpath+0x26e8/0x2e10
[  432.276901]  ? warn_alloc+0x120/0x120
[  432.280709]  ? print_usage_bug+0xc0/0xc0
[  432.284774]  ? warn_alloc+0x120/0x120
[  432.288583]  ? warn_alloc+0x120/0x120
[  432.292398]  ? print_usage_bug+0xc0/0xc0
[  432.296467]  ? print_usage_bug+0xc0/0xc0
[  432.300532]  ? __lock_acquire+0x62f/0x4c20
[  432.304777]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.310317]  ? should_fail+0x22d/0xd01
[  432.314214]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.319320]  ? __lock_acquire+0x62f/0x4c20
[  432.323563]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.328668]  ? __lock_acquire+0x62f/0x4c20
[  432.332902]  ? should_fail+0x22d/0xd01
[  432.336793]  ? find_held_lock+0x36/0x1c0
[  432.340870]  ? mark_held_locks+0x130/0x130
[  432.345112]  ? mark_held_locks+0x130/0x130
[  432.349351]  ? zap_class+0x640/0x640
[  432.353072]  ? zap_class+0x640/0x640
[  432.356792]  ? print_usage_bug+0xc0/0xc0
[  432.360853]  ? do_raw_spin_unlock+0xa7/0x330
[  432.365262]  ? zap_class+0x640/0x640
[  432.368982]  ? print_usage_bug+0xc0/0xc0
[  432.373047]  ? wq_watchdog_touch+0x9c/0xfe
[  432.377288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.382829]  ? check_preemption_disabled+0x48/0x280
[  432.387860]  ? __lock_is_held+0xb5/0x140
[  432.391930]  __alloc_pages_nodemask+0xa80/0xde0
[  432.396603]  ? zap_class+0x640/0x640
[  432.400334]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  432.405366]  ? find_held_lock+0x36/0x1c0
[  432.409450]  ? ____cache_alloc_node+0x1c7/0x1e0
[  432.414123]  ? lock_downgrade+0x900/0x900
[  432.418287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.423835]  cache_grow_begin+0xa5/0x8c0
[  432.427898]  ? do_raw_spin_unlock+0xa7/0x330
[  432.432316]  fallback_alloc+0x204/0x2e0
[  432.436300]  ____cache_alloc_node+0x1c7/0x1e0
[  432.440808]  kmem_cache_alloc_node+0xe3/0x730
[  432.445306]  ? ipv6_get_ifaddr+0x42e/0x620
[  432.449553]  __alloc_skb+0x119/0x770
[  432.453270]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.458551]  ? netdev_alloc_frag+0x1f0/0x1f0
[  432.462961]  ? lock_downgrade+0x900/0x900
[  432.467119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.472669]  ? refcount_sub_and_test_checked+0x203/0x310
[  432.478130]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  432.483586]  ? addrconf_rs_timer+0x690/0x690
[  432.488010]  ndisc_alloc_skb+0x144/0x340
[  432.492080]  ndisc_send_rs+0x331/0x6e0
[  432.496010]  addrconf_rs_timer+0x314/0x690
[  432.500252]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.504504]  call_timer_fn+0x272/0x920
[  432.508398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.512643]  ? process_timeout+0x40/0x40
[  432.516866]  ? __run_timers+0x7da/0xc70
[  432.520849]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.525345]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.529839]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.534079]  ? lockdep_hardirqs_on+0x296/0x5b0
[  432.538678]  ? trace_hardirqs_on+0xbd/0x310
[  432.543000]  ? kasan_check_read+0x11/0x20
[  432.547148]  ? __run_timers+0x7da/0xc70
[  432.551296]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.556413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.560669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.564904]  __run_timers+0x7e5/0xc70
[  432.568722]  ? timer_fixup_init+0x70/0x70
[  432.572871]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.577370]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.581873]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  432.586459]  ? trace_hardirqs_on+0xbd/0x310
[  432.590804]  ? kasan_check_read+0x11/0x20
[  432.594957]  ? finish_task_switch+0x1f4/0x910
[  432.599455]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.604559]  ? compat_start_thread+0x80/0x80
[  432.608998]  ? pvclock_read_flags+0x160/0x160
[  432.613498]  ? __switch_to_asm+0x34/0x70
[  432.617565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.623110]  ? check_preemption_disabled+0x48/0x280
[  432.628143]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  432.633687]  ? rcu_pm_notify+0xc0/0xc0
[  432.637585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.643134]  ? check_preemption_disabled+0x48/0x280
[  432.648165]  run_timer_softirq+0x52/0xb0
[  432.652234]  ? rcu_read_lock_sched_held+0x14f/0x180
[  432.657263]  __do_softirq+0x308/0xb7e
[  432.661077]  ? trace_hardirqs_on_caller+0xc0/0x310
[  432.666023]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  432.671133]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  432.676603]  ? schedule+0x108/0x460
[  432.680254]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  432.685498]  ? trace_hardirqs_off+0xb8/0x310
[  432.689976]  ? smpboot_thread_fn+0x68b/0xa00
[  432.694403]  ? trace_hardirqs_on+0x310/0x310
[  432.698825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.704377]  ? check_preemption_disabled+0x48/0x280
[  432.709414]  ? takeover_tasklets+0xa90/0xa90
[  432.713839]  run_ksoftirqd+0x5e/0x100
[  432.717678]  smpboot_thread_fn+0x68b/0xa00
[  432.721945]  ? sort_range+0x30/0x30
[  432.725588]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  432.730708]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.736261]  ? __kthread_parkme+0xfb/0x1a0
[  432.740511]  ? sort_range+0x30/0x30
[  432.744152]  kthread+0x35a/0x440
[  432.747530]  ? kthread_stop+0x900/0x900
[  432.751520]  ret_from_fork+0x3a/0x50
[  432.755266] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  432.755271] warn_alloc_show_mem: 1 callbacks suppressed
[  432.755278] Mem-Info:
[  432.762298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  432.762307] Call Trace:
[  432.767707] active_anon:56065 inactive_anon:190 isolated_anon:0
[  432.767707]  active_file:11 inactive_file:12 isolated_file:0
[  432.767707]  unevictable:0 dirty:0 writeback:0 unstable:0
[  432.767707]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  432.767707]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  432.767707]  free:13773 free_pcp:518 free_cma:0
[  432.770090]  <IRQ>
[  432.779467] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  432.782064]  dump_stack+0x244/0x39d
[  432.814935] 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
[  432.817107]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.844581] lowmem_reserve[]: 0 2818 6321 6321
[  432.848226]  warn_alloc.cold.116+0xb7/0x1bd
[  432.874314] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  432.879507]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.884067] lowmem_reserve[]: 0 0 3503 3503
[  432.888417]  ? lock_downgrade+0x900/0x900
[  432.915892] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  432.920754]  ? trace_hardirqs_off+0xb8/0x310
[  432.925057] lowmem_reserve[]: 0 0 0 0
[  432.929215]  ? trace_hardirqs_off+0xb8/0x310
[  432.958172] 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
[  432.962590]  __alloc_pages_slowpath+0x26e8/0x2e10
[  432.966369] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  432.970815]  ? warn_alloc+0x120/0x120
[  432.984302] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  432.989153]  ? warn_alloc+0x120/0x120
[  433.004314] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  433.008111]  ? warn_alloc+0x120/0x120
[  433.023016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  433.026875]  ? print_usage_bug+0xc0/0xc0
[  433.035700] 266 total pagecache pages
[  433.039506]  ? print_usage_bug+0xc0/0xc0
[  433.048070] 0 pages in swap cache
[  433.052134]  ? print_usage_bug+0xc0/0xc0
[  433.055924] Swap cache stats: add 0, delete 0, find 0/0
[  433.059999]  ? print_usage_bug+0xc0/0xc0
[  433.063438] Free swap  = 0kB
[  433.067501]  ? mark_held_locks+0x130/0x130
[  433.072846] Total swap = 0kB
[  433.072854] 1965979 pages RAM
[  433.076925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.079920] 0 pages HighMem/MovableOnly
[  433.079929] 342854 pages reserved
[  433.084176]  ? should_fail+0x22d/0xd01
[  433.087180] 0 pages cma reserved
[  433.090289]  ? print_usage_bug+0xc0/0xc0
[  433.090308]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.095899] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  433.099810]  ? __lock_acquire+0x62f/0x4c20
[  433.103338] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.107143]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.110498] ksoftirqd/1 cpuset=/ mems_allowed=0
[  433.114565]  ? should_fail+0x22d/0xd01
[  433.154379]  ? __lock_acquire+0x62f/0x4c20
[  433.158625]  ? rcu_softirq_qs+0x20/0x20
[  433.162662]  ? mark_held_locks+0x130/0x130
[  433.166924]  ? mark_held_locks+0x130/0x130
[  433.171172]  ? mark_held_locks+0x130/0x130
[  433.175513]  ? zap_class+0x640/0x640
[  433.179238]  ? mark_held_locks+0x130/0x130
[  433.183489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.189043]  ? check_preemption_disabled+0x48/0x280
[  433.194082]  ? __lock_is_held+0xb5/0x140
[  433.198161]  __alloc_pages_nodemask+0xa80/0xde0
[  433.202847]  ? zap_class+0x640/0x640
[  433.206582]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  433.211625]  ? find_held_lock+0x36/0x1c0
[  433.215741]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.220424]  ? lock_downgrade+0x900/0x900
[  433.224591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.230147]  cache_grow_begin+0xa5/0x8c0
[  433.234227]  ? do_raw_spin_unlock+0xa7/0x330
[  433.238672]  fallback_alloc+0x204/0x2e0
[  433.242689]  ____cache_alloc_node+0x1c7/0x1e0
[  433.247204]  kmem_cache_alloc_node+0xe3/0x730
[  433.251746]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.256350]  __alloc_skb+0x119/0x770
[  433.260077]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  433.265456]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.269879]  ? lock_acquire+0x1ed/0x520
[  433.273874]  ? aoecmd_cfg+0x108/0x7f0
[  433.277694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.283246]  ? check_preemption_disabled+0x48/0x280
[  433.288278]  ? kasan_check_read+0x11/0x20
[  433.292437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.297726]  ? rcu_softirq_qs+0x20/0x20
[  433.301715]  ? do_raw_spin_trylock+0x270/0x270
[  433.306311]  new_skb+0x26/0x1c0
[  433.309606]  aoecmd_cfg+0x279/0x7f0
[  433.313268]  ? find_held_lock+0x36/0x1c0
[  433.317345]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  433.321692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.327242]  ? check_preemption_disabled+0x48/0x280
[  433.332285]  ? __lock_is_held+0xb5/0x140
[  433.336368]  discover_timer+0x50/0x60
[  433.340183]  call_timer_fn+0x272/0x920
[  433.344083]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  433.348937]  ? process_timeout+0x40/0x40
[  433.353026]  ? mark_held_locks+0xc7/0x130
[  433.357192]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.361750]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.366257]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  433.371114]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.375712]  ? trace_hardirqs_on+0xbd/0x310
[  433.380044]  ? kasan_check_read+0x11/0x20
[  433.384205]  ? __run_timers+0x7da/0xc70
[  433.388193]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.393319]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  433.398174]  __run_timers+0x7e5/0xc70
[  433.401996]  ? timer_fixup_init+0x70/0x70
[  433.406158]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  433.411190]  ? zap_class+0x640/0x640
[  433.414942]  ? print_usage_bug+0xc0/0xc0
[  433.419020]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  433.424229]  ? find_held_lock+0x36/0x1c0
[  433.428310]  ? zap_class+0x640/0x640
[  433.432040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.437591]  ? check_preemption_disabled+0x48/0x280
[  433.442651]  ? __lock_is_held+0xb5/0x140
[  433.446733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.452284]  ? check_preemption_disabled+0x48/0x280
[  433.457323]  run_timer_softirq+0x52/0xb0
[  433.461395]  ? rcu_read_lock_sched_held+0x14f/0x180
[  433.466513]  __do_softirq+0x308/0xb7e
[  433.470334]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  433.474838]  ? lock_downgrade+0x900/0x900
[  433.479009]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  433.484134]  ? pvclock_read_flags+0x160/0x160
[  433.488665]  ? lapic_next_event+0x5a/0x90
[  433.492830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.498389]  ? kvm_clock_read+0x18/0x30
[  433.502381]  ? kvm_sched_clock_read+0x9/0x20
[  433.506802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.512355]  ? check_preemption_disabled+0x48/0x280
[  433.517505]  irq_exit+0x17f/0x1c0
[  433.520979]  smp_apic_timer_interrupt+0x1cb/0x760
[  433.525833]  ? smp_reschedule_interrupt+0x109/0x650
[  433.530861]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.536762]  ? interrupt_entry+0xb5/0xc0
[  433.540837]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.545862]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.550981]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.555841]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.560934]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.566009]  ? task_prio+0x50/0x50
[  433.569562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.575112]  ? check_preemption_disabled+0x48/0x280
[  433.580146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.585008]  apic_timer_interrupt+0xf/0x20
[  433.589244]  </IRQ>
[  433.591496] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  433.596847] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  433.615759] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  433.623478] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  433.630757] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  433.638035] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  433.645360] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  433.652659] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  433.659975]  retint_kernel+0x1b/0x2d
[  433.663705] RIP: 0010:dump_stack+0x358/0x39d
[  433.668130] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  433.687126] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  433.694846] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  433.702126] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  433.709404] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  433.716686] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  433.723966] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  433.731264]  ? dump_stack+0x34f/0x39d
[  433.735089]  ? dump_stack_print_info.cold.1+0x20/0x20
[  433.740298]  ? mark_held_locks+0x130/0x130
[  433.744542]  ? mark_held_locks+0x130/0x130
[  433.748793]  dump_header+0x27b/0xf72
[  433.752531]  ? pagefault_out_of_memory+0x197/0x197
[  433.757482]  ? __lock_acquire+0x62f/0x4c20
[  433.761733]  ? percpu_ref_get_many+0x240/0x240
[  433.766333]  ? print_usage_bug+0xc0/0xc0
[  433.770423]  ? zap_class+0x640/0x640
[  433.774153]  ? print_usage_bug+0xc0/0xc0
[  433.778225]  ? print_usage_bug+0xc0/0xc0
[  433.782362]  ? zap_class+0x640/0x640
[  433.786094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.791667]  ? find_held_lock+0x36/0x1c0
[  433.795755]  ? mark_held_locks+0xc7/0x130
[  433.799970]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.805085]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.810201]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.814805]  ? trace_hardirqs_on+0xbd/0x310
[  433.819136]  ? kasan_check_read+0x11/0x20
[  433.823300]  ? ___ratelimit+0x3b4/0x672
[  433.827289]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.832410]  ? trace_hardirqs_on+0x310/0x310
[  433.836831]  ? lock_downgrade+0x900/0x900
[  433.840999]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  433.846118]  ? ___ratelimit+0x3b9/0x672
[  433.850110]  ? idr_get_free+0xf70/0xf70
[  433.854099]  ? find_held_lock+0x36/0x1c0
[  433.858183]  oom_kill_process.cold.27+0x10/0x903
[  433.862956]  ? zap_class+0x640/0x640
[  433.866751]  ? check_preemption_disabled+0x48/0x280
[  433.871831]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  433.876772]  ? kasan_check_read+0x11/0x20
[  433.880934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.886225]  ? oom_evaluate_task+0x540/0x540
[  433.890670]  ? find_held_lock+0x36/0x1c0
[  433.894755]  ? out_of_memory+0x974/0x1430
[  433.898921]  ? lock_downgrade+0x900/0x900
[  433.903083]  ? check_preemption_disabled+0x48/0x280
[  433.908117]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  433.913056]  ? kasan_check_read+0x11/0x20
[  433.917216]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.922503]  ? rcu_softirq_qs+0x20/0x20
[  433.926494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.932045]  ? oom_evaluate_task+0x302/0x540
[  433.936472]  out_of_memory+0xa84/0x1430
[  433.940470]  ? oom_killer_disable+0x3a0/0x3a0
[  433.944979]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  433.949933]  ? __ww_mutex_check_waiters+0x160/0x160
[  433.954978]  __alloc_pages_slowpath+0x2354/0x2e10
[  433.959876]  ? warn_alloc+0x120/0x120
[  433.963703]  ? mark_held_locks+0x130/0x130
[  433.967959]  ? find_get_entry+0xaae/0x1120
[  433.972216]  ? filemap_map_pages+0x1a20/0x1a20
[  433.976821]  ? zap_class+0x640/0x640
[  433.980556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.986111]  ? check_preemption_disabled+0x48/0x280
[  433.991143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.996699]  ? should_fail+0x22d/0xd01
[  434.000606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.005755]  ? zap_class+0x640/0x640
[  434.009510]  ? __lock_is_held+0xb5/0x140
[  434.013596]  ? mark_held_locks+0x130/0x130
[  434.017866]  ? lock_release+0xa00/0xa00
[  434.021860]  ? perf_trace_sched_process_exec+0x860/0x860
[  434.027326]  ? xa_load+0x2ba/0x460
[  434.030879]  ? lock_downgrade+0x900/0x900
[  434.035060]  ? __might_sleep+0x95/0x190
[  434.039053]  __alloc_pages_nodemask+0xa80/0xde0
[  434.043747]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  434.048779]  ? __page_cache_alloc+0x191/0x5c0
[  434.053287]  ? xa_load+0x2e1/0x460
[  434.056841]  ? xa_clear_mark+0x40/0x40
[  434.060744]  ? zap_class+0x640/0x640
[  434.064481]  ? zap_class+0x640/0x640
[  434.068205]  ? zap_class+0x640/0x640
[  434.071936]  ? __do_page_cache_readahead+0x663/0x810
[  434.077060]  ? find_held_lock+0x36/0x1c0
[  434.081139]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  434.086701]  alloc_pages_current+0x173/0x350
[  434.091130]  __page_cache_alloc+0x38c/0x5c0
[  434.095461]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.100406]  ? kasan_check_read+0x11/0x20
[  434.104572]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.109865]  ? generic_perform_write+0x6a0/0x6a0
[  434.114669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.120244]  ? check_preemption_disabled+0x48/0x280
[  434.125282]  filemap_fault+0x1595/0x25f0
[  434.129369]  ? __lock_page_or_retry+0xa00/0xa00
[  434.134054]  ? mark_held_locks+0x130/0x130
[  434.138312]  ? filemap_map_pages+0xd6b/0x1a20
[  434.142820]  ? lock_downgrade+0x900/0x900
[  434.147085]  ? check_preemption_disabled+0x48/0x280
[  434.152117]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.157056]  ? kasan_check_read+0x11/0x20
[  434.161215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.166652]  ? rcu_softirq_qs+0x20/0x20
[  434.170673]  ? filemap_map_pages+0xd92/0x1a20
[  434.175203]  ? __lock_acquire+0x62f/0x4c20
[  434.179458]  ? find_get_entries_tag+0x1400/0x1400
[  434.184337]  ? lock_acquire+0x1ed/0x520
[  434.188327]  ? ext4_filemap_fault+0x7a/0xad
[  434.192689]  ? lock_release+0xa00/0xa00
[  434.196697]  ? perf_trace_sched_process_exec+0x860/0x860
[  434.202159]  ? print_usage_bug+0xc0/0xc0
[  434.206233]  ? print_usage_bug+0xc0/0xc0
[  434.210318]  ? down_read+0x8d/0x120
[  434.213953]  ? ext4_filemap_fault+0x7a/0xad
[  434.218298]  ? __down_interruptible+0x700/0x700
[  434.222992]  ext4_filemap_fault+0x82/0xad
[  434.227158]  __do_fault+0x100/0x6b0
[  434.230800]  ? pmd_devmap_trans_unstable+0x220/0x220
[  434.235921]  ? mark_held_locks+0x130/0x130
[  434.240180]  ? mark_held_locks+0x130/0x130
[  434.244429]  ? __might_fault+0x12b/0x1e0
[  434.248501]  ? lock_downgrade+0x900/0x900
[  434.252687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.258243]  __handle_mm_fault+0x3ea0/0x5be0
[  434.262700]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  434.267564]  ? kasan_check_read+0x11/0x20
[  434.271728]  ? _copy_to_user+0xc8/0x110
[  434.275721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.281283]  ? zap_class+0x640/0x640
[  434.285009]  ? zap_class+0x640/0x640
[  434.288741]  ? find_held_lock+0x36/0x1c0
[  434.292829]  ? handle_mm_fault+0x42a/0xc70
[  434.297085]  ? lock_downgrade+0x900/0x900
[  434.301243]  ? check_preemption_disabled+0x48/0x280
[  434.306277]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.311217]  ? kasan_check_read+0x11/0x20
[  434.315375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.320692]  ? rcu_softirq_qs+0x20/0x20
[  434.324699]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.329815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.335365]  ? check_preemption_disabled+0x48/0x280
[  434.340404]  handle_mm_fault+0x54f/0xc70
[  434.344482]  ? __handle_mm_fault+0x5be0/0x5be0
[  434.349083]  ? find_vma+0x34/0x190
[  434.352662]  __do_page_fault+0x5e8/0xe60
[  434.356737]  ? trace_hardirqs_off+0xb8/0x310
[  434.361171]  do_page_fault+0xf2/0x7e0
[  434.364987]  ? vmalloc_sync_all+0x30/0x30
[  434.369150]  ? error_entry+0x70/0xd0
[  434.372876]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.377917]  ? trace_hardirqs_on_caller+0xc0/0x310
[  434.382864]  ? syscall_return_slowpath+0x5e0/0x5e0
[  434.387806]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.392838]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.397868]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  434.403335]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  434.408365]  ? prepare_exit_to_usermode+0x291/0x3b0
[  434.413391]  ? page_fault+0x8/0x30
[  434.416947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.421807]  ? page_fault+0x8/0x30
[  434.425363]  page_fault+0x1e/0x30
[  434.428827] RIP: 0033:0x4375fe
[  434.432039] Code: Bad RIP value.
[  434.435410] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  434.440783] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  434.448061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  434.455343] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  434.462685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  434.469965] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  434.477283] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  434.477345] aoe: skb alloc failure
[  434.484223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  434.484228] Call Trace:
[  434.484252]  dump_stack+0x244/0x39d
[  434.484271]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.487838] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  434.497176]  warn_alloc.cold.116+0xb7/0x1bd
[  434.499738] syz-fuzzer cpuset=/ mems_allowed=0
[  434.503371]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  434.532547]  ? lock_downgrade+0x900/0x900
[  434.536718]  ? trace_hardirqs_off+0xb8/0x310
[  434.541147]  ? trace_hardirqs_off+0xb8/0x310
[  434.545580]  __alloc_pages_slowpath+0x26e8/0x2e10
[  434.550669]  ? warn_alloc+0x120/0x120
[  434.554488]  ? print_usage_bug+0xc0/0xc0
[  434.558569]  ? warn_alloc+0x120/0x120
[  434.562398]  ? warn_alloc+0x120/0x120
[  434.566212]  ? print_usage_bug+0xc0/0xc0
[  434.570292]  ? print_usage_bug+0xc0/0xc0
[  434.574372]  ? __lock_acquire+0x62f/0x4c20
[  434.578652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.584207]  ? should_fail+0x22d/0xd01
[  434.588114]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.593228]  ? __lock_acquire+0x62f/0x4c20
[  434.597485]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.602599]  ? __lock_acquire+0x62f/0x4c20
[  434.606866]  ? should_fail+0x22d/0xd01
[  434.610767]  ? find_held_lock+0x36/0x1c0
[  434.614856]  ? mark_held_locks+0x130/0x130
[  434.619112]  ? mark_held_locks+0x130/0x130
[  434.623453]  ? zap_class+0x640/0x640
[  434.627188]  ? mark_held_locks+0xc7/0x130
[  434.631377]  ? do_raw_spin_unlock+0xa7/0x330
[  434.635806]  ? zap_class+0x640/0x640
[  434.639533]  ? print_usage_bug+0xc0/0xc0
[  434.643611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.649185]  ? check_preemption_disabled+0x48/0x280
[  434.654223]  ? __lock_is_held+0xb5/0x140
[  434.658304]  __alloc_pages_nodemask+0xa80/0xde0
[  434.662993]  ? zap_class+0x640/0x640
[  434.666730]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  434.671776]  ? find_held_lock+0x36/0x1c0
[  434.675866]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.680552]  ? lock_downgrade+0x900/0x900
[  434.685077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.690658]  cache_grow_begin+0xa5/0x8c0
[  434.694741]  ? do_raw_spin_unlock+0xa7/0x330
[  434.699170]  fallback_alloc+0x204/0x2e0
[  434.703166]  ____cache_alloc_node+0x1c7/0x1e0
[  434.707693]  kmem_cache_alloc_node+0xe3/0x730
[  434.712205]  ? ipv6_get_ifaddr+0x42e/0x620
[  434.716463]  __alloc_skb+0x119/0x770
[  434.720192]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.725489]  ? netdev_alloc_frag+0x1f0/0x1f0
[  434.729910]  ? lock_downgrade+0x900/0x900
[  434.734081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.739656]  ? refcount_sub_and_test_checked+0x203/0x310
[  434.745126]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  434.750594]  ? addrconf_rs_timer+0x690/0x690
[  434.755050]  ndisc_alloc_skb+0x144/0x340
[  434.759133]  ndisc_send_rs+0x331/0x6e0
[  434.763042]  addrconf_rs_timer+0x314/0x690
[  434.767297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.771557]  call_timer_fn+0x272/0x920
[  434.775459]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.779708]  ? process_timeout+0x40/0x40
[  434.783793]  ? __run_timers+0x7da/0xc70
[  434.787783]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.792313]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.796820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.801073]  ? lockdep_hardirqs_on+0x296/0x5b0
[  434.805684]  ? trace_hardirqs_on+0xbd/0x310
[  434.810023]  ? kasan_check_read+0x11/0x20
[  434.814190]  ? __run_timers+0x7da/0xc70
[  434.818182]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.823305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.827558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.831803]  __run_timers+0x7e5/0xc70
[  434.835647]  ? timer_fixup_init+0x70/0x70
[  434.839810]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.844321]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.848836]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  434.853432]  ? trace_hardirqs_on+0xbd/0x310
[  434.857770]  ? kasan_check_read+0x11/0x20
[  434.861934]  ? finish_task_switch+0x1f4/0x910
[  434.866446]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.871561]  ? compat_start_thread+0x80/0x80
[  434.876003]  ? pvclock_read_flags+0x160/0x160
[  434.880507]  ? __switch_to_asm+0x34/0x70
[  434.884585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.890136]  ? check_preemption_disabled+0x48/0x280
[  434.895173]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  434.900731]  ? rcu_pm_notify+0xc0/0xc0
[  434.904651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.910201]  ? check_preemption_disabled+0x48/0x280
[  434.915237]  run_timer_softirq+0x52/0xb0
[  434.919309]  ? rcu_read_lock_sched_held+0x14f/0x180
[  434.924341]  __do_softirq+0x308/0xb7e
[  434.928164]  ? trace_hardirqs_on_caller+0xc0/0x310
[  434.933112]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  434.938229]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  434.943701]  ? schedule+0x108/0x460
[  434.947343]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  434.952126]  ? trace_hardirqs_off+0xb8/0x310
[  434.956549]  ? smpboot_thread_fn+0x68b/0xa00
[  434.960980]  ? trace_hardirqs_on+0x310/0x310
[  434.965408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.970960]  ? check_preemption_disabled+0x48/0x280
[  434.975993]  ? takeover_tasklets+0xa90/0xa90
[  434.980417]  run_ksoftirqd+0x5e/0x100
[  434.984231]  smpboot_thread_fn+0x68b/0xa00
[  434.988488]  ? sort_range+0x30/0x30
[  434.992130]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  434.997248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.002797]  ? __kthread_parkme+0xfb/0x1a0
[  435.007047]  ? sort_range+0x30/0x30
[  435.010688]  kthread+0x35a/0x440
[  435.014071]  ? kthread_stop+0x900/0x900
[  435.018062]  ret_from_fork+0x3a/0x50
[  435.021803] warn_alloc_show_mem: 1 callbacks suppressed
[  435.021816] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  435.021817] Mem-Info:
[  435.021848] active_anon:56065 inactive_anon:190 isolated_anon:0
[  435.021848]  active_file:11 inactive_file:12 isolated_file:0
[  435.021848]  unevictable:0 dirty:0 writeback:0 unstable:0
[  435.021848]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  435.021848]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  435.021848]  free:13773 free_pcp:518 free_cma:0
[  435.027196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.027205] Call Trace:
[  435.034236] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  435.036669]  <IRQ>
[  435.069546] 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
[  435.078916]  dump_stack+0x244/0x39d
[  435.081485] lowmem_reserve[]: 0 2818 6321 6321
[  435.108994]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.111129] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  435.137249]  warn_alloc.cold.116+0xb7/0x1bd
[  435.140853] lowmem_reserve[]: 0 0 3503 3503
[  435.145439]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.150618] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  435.178190]  ? lock_downgrade+0x900/0x900
[  435.182497] lowmem_reserve[]: 0 0 0 0
[  435.186839]  ? trace_hardirqs_off+0xb8/0x310
[  435.191684] 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
[  435.220689]  ? trace_hardirqs_off+0xb8/0x310
[  435.224822] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  435.228657]  __alloc_pages_slowpath+0x26e8/0x2e10
[  435.233046] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  435.246597]  ? warn_alloc+0x120/0x120
[  435.250974] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  435.266149]  ? warn_alloc+0x120/0x120
[  435.270981] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  435.285900]  ? __lock_acquire+0x62f/0x4c20
[  435.289691] 266 total pagecache pages
[  435.298529]  ? warn_alloc+0x120/0x120
[  435.302323] 0 pages in swap cache
[  435.310906]  ? print_usage_bug+0xc0/0xc0
[  435.315126] Swap cache stats: add 0, delete 0, find 0/0
[  435.315135] Free swap  = 0kB
[  435.318989]  ? print_usage_bug+0xc0/0xc0
[  435.322777] Total swap = 0kB
[  435.326232]  ? mark_held_locks+0x130/0x130
[  435.330277] 1965979 pages RAM
[  435.335664]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.338674] 0 pages HighMem/MovableOnly
[  435.342741]  ? should_fail+0x22d/0xd01
[  435.345739] 342854 pages reserved
[  435.345747] 0 pages cma reserved
[  435.349985]  ? zap_class+0x640/0x640
[  435.353197] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  435.358732]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.362784] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  435.366590]  ? __lock_acquire+0x62f/0x4c20
[  435.370032] ksoftirqd/1 cpuset=/ mems_allowed=0
[  435.373410]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.412995]  ? should_fail+0x22d/0xd01
[  435.416915]  ? mark_held_locks+0x130/0x130
[  435.421165]  ? mark_held_locks+0x130/0x130
[  435.425428]  ? lock_downgrade+0x900/0x900
[  435.429589]  ? zap_class+0x640/0x640
[  435.433316]  ? zap_class+0x640/0x640
[  435.437042]  ? zap_class+0x640/0x640
[  435.440770]  ? do_raw_spin_unlock+0xa7/0x330
[  435.445193]  ? trace_hardirqs_on+0x310/0x310
[  435.449611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.455186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.460740]  ? check_preemption_disabled+0x48/0x280
[  435.465779]  ? __lock_is_held+0xb5/0x140
[  435.469860]  __alloc_pages_nodemask+0xa80/0xde0
[  435.474552]  ? zap_class+0x640/0x640
[  435.478284]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  435.483324]  ? find_held_lock+0x36/0x1c0
[  435.487411]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.492136]  ? lock_downgrade+0x900/0x900
[  435.496303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.501861]  cache_grow_begin+0xa5/0x8c0
[  435.505941]  ? do_raw_spin_unlock+0xa7/0x330
[  435.510373]  fallback_alloc+0x204/0x2e0
[  435.514391]  ____cache_alloc_node+0x1c7/0x1e0
[  435.518946]  kmem_cache_alloc_node+0xe3/0x730
[  435.523465]  ? lockdep_hardirqs_on+0x296/0x5b0
[  435.528072]  __alloc_skb+0x119/0x770
[  435.531799]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  435.537178]  ? netdev_alloc_frag+0x1f0/0x1f0
[  435.541608]  ? vprintk_default+0x28/0x30
[  435.545704]  ? vprintk_func+0x85/0x181
[  435.549604]  ? printk+0xa7/0xcf
[  435.552922]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  435.557712]  ? do_raw_spin_trylock+0x270/0x270
[  435.562309]  new_skb+0x26/0x1c0
[  435.565600]  aoecmd_cfg+0x279/0x7f0
[  435.569260]  ? find_held_lock+0x36/0x1c0
[  435.573338]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  435.577691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.583253]  ? __lock_is_held+0xb5/0x140
[  435.587342]  discover_timer+0x50/0x60
[  435.591154]  call_timer_fn+0x272/0x920
[  435.595054]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  435.599916]  ? process_timeout+0x40/0x40
[  435.604002]  ? mark_held_locks+0xc7/0x130
[  435.608163]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.612697]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.617205]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  435.622063]  ? lockdep_hardirqs_on+0x296/0x5b0
[  435.626677]  ? trace_hardirqs_on+0xbd/0x310
[  435.631015]  ? kasan_check_read+0x11/0x20
[  435.635176]  ? __run_timers+0x7da/0xc70
[  435.639162]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.644293]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  435.649318]  __run_timers+0x7e5/0xc70
[  435.653145]  ? timer_fixup_init+0x70/0x70
[  435.657307]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  435.662337]  ? zap_class+0x640/0x640
[  435.666072]  ? print_usage_bug+0xc0/0xc0
[  435.670151]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  435.675361]  ? find_held_lock+0x36/0x1c0
[  435.679452]  ? zap_class+0x640/0x640
[  435.683196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.688842]  ? check_preemption_disabled+0x48/0x280
[  435.693885]  ? __lock_is_held+0xb5/0x140
[  435.697972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.703536]  ? check_preemption_disabled+0x48/0x280
[  435.708569]  run_timer_softirq+0x52/0xb0
[  435.712665]  ? rcu_read_lock_sched_held+0x14f/0x180
[  435.717702]  __do_softirq+0x308/0xb7e
[  435.721518]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  435.726135]  ? lock_downgrade+0x900/0x900
[  435.730301]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  435.735424]  ? pvclock_read_flags+0x160/0x160
[  435.739938]  ? lapic_next_event+0x5a/0x90
[  435.744104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.749679]  ? kvm_clock_read+0x18/0x30
[  435.753684]  ? kvm_sched_clock_read+0x9/0x20
[  435.758106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.763685]  ? check_preemption_disabled+0x48/0x280
[  435.768728]  irq_exit+0x17f/0x1c0
[  435.772200]  smp_apic_timer_interrupt+0x1cb/0x760
[  435.777056]  ? smp_reschedule_interrupt+0x109/0x650
[  435.782088]  ? smp_call_function_single_interrupt+0x650/0x650
[  435.787986]  ? interrupt_entry+0xb5/0xc0
[  435.792060]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.797171]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.802201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.807060]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.812088]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.817115]  ? task_prio+0x50/0x50
[  435.820691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.826248]  ? check_preemption_disabled+0x48/0x280
[  435.831308]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.836174]  apic_timer_interrupt+0xf/0x20
[  435.840417]  </IRQ>
[  435.842693] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  435.848244] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  435.867163] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  435.874881] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  435.882167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  435.889450] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  435.896729] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  435.904007] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  435.911314]  retint_kernel+0x1b/0x2d
[  435.915039] RIP: 0010:dump_stack+0x358/0x39d
[  435.919460] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  435.938370] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  435.946088] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  435.953364] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  435.960664] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  435.967944] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  435.975221] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  435.982522]  ? dump_stack+0x34f/0x39d
[  435.986347]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.991556]  ? mark_held_locks+0x130/0x130
[  435.995803]  ? mark_held_locks+0x130/0x130
[  436.000054]  dump_header+0x27b/0xf72
[  436.003794]  ? pagefault_out_of_memory+0x197/0x197
[  436.008748]  ? __lock_acquire+0x62f/0x4c20
[  436.013000]  ? percpu_ref_get_many+0x240/0x240
[  436.017598]  ? print_usage_bug+0xc0/0xc0
[  436.021714]  ? zap_class+0x640/0x640
[  436.025446]  ? print_usage_bug+0xc0/0xc0
[  436.029515]  ? print_usage_bug+0xc0/0xc0
[  436.033591]  ? zap_class+0x640/0x640
[  436.037323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.042881]  ? find_held_lock+0x36/0x1c0
[  436.046974]  ? mark_held_locks+0xc7/0x130
[  436.051135]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.056248]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.061363]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.065963]  ? trace_hardirqs_on+0xbd/0x310
[  436.070311]  ? kasan_check_read+0x11/0x20
[  436.074475]  ? ___ratelimit+0x3b4/0x672
[  436.078461]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.083582]  ? trace_hardirqs_on+0x310/0x310
[  436.088007]  ? lock_downgrade+0x900/0x900
[  436.092173]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  436.097291]  ? ___ratelimit+0x3b9/0x672
[  436.101279]  ? idr_get_free+0xf70/0xf70
[  436.105268]  ? find_held_lock+0x36/0x1c0
[  436.109352]  oom_kill_process.cold.27+0x10/0x903
[  436.114119]  ? zap_class+0x640/0x640
[  436.117848]  ? check_preemption_disabled+0x48/0x280
[  436.122882]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  436.127831]  ? kasan_check_read+0x11/0x20
[  436.131993]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.137284]  ? oom_evaluate_task+0x540/0x540
[  436.141708]  ? find_held_lock+0x36/0x1c0
[  436.145790]  ? out_of_memory+0x974/0x1430
[  436.149954]  ? lock_downgrade+0x900/0x900
[  436.154139]  ? check_preemption_disabled+0x48/0x280
[  436.159170]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  436.164111]  ? kasan_check_read+0x11/0x20
[  436.168270]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.173557]  ? rcu_softirq_qs+0x20/0x20
[  436.177549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.183096]  ? oom_evaluate_task+0x302/0x540
[  436.187521]  out_of_memory+0xa84/0x1430
[  436.191520]  ? oom_killer_disable+0x3a0/0x3a0
[  436.196031]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  436.200975]  ? __ww_mutex_check_waiters+0x160/0x160
[  436.206014]  __alloc_pages_slowpath+0x2354/0x2e10
[  436.210907]  ? warn_alloc+0x120/0x120
[  436.214719]  ? mark_held_locks+0x130/0x130
[  436.218971]  ? find_get_entry+0xaae/0x1120
[  436.223232]  ? filemap_map_pages+0x1a20/0x1a20
[  436.227829]  ? zap_class+0x640/0x640
[  436.231559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.237109]  ? check_preemption_disabled+0x48/0x280
[  436.242139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.247688]  ? should_fail+0x22d/0xd01
[  436.251590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.256709]  ? zap_class+0x640/0x640
[  436.260463]  ? __lock_is_held+0xb5/0x140
[  436.264543]  ? mark_held_locks+0x130/0x130
[  436.268794]  ? lock_release+0xa00/0xa00
[  436.272782]  ? perf_trace_sched_process_exec+0x860/0x860
[  436.278245]  ? xa_load+0x2ba/0x460
[  436.281805]  ? lock_downgrade+0x900/0x900
[  436.285975]  ? __might_sleep+0x95/0x190
[  436.289983]  __alloc_pages_nodemask+0xa80/0xde0
[  436.294690]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  436.299804]  ? __page_cache_alloc+0x191/0x5c0
[  436.304313]  ? xa_load+0x2e1/0x460
[  436.307866]  ? xa_clear_mark+0x40/0x40
[  436.311774]  ? zap_class+0x640/0x640
[  436.315508]  ? zap_class+0x640/0x640
[  436.319235]  ? zap_class+0x640/0x640
[  436.322964]  ? __do_page_cache_readahead+0x663/0x810
[  436.328087]  ? find_held_lock+0x36/0x1c0
[  436.332165]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  436.337723]  alloc_pages_current+0x173/0x350
[  436.342196]  __page_cache_alloc+0x38c/0x5c0
[  436.346528]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  436.351473]  ? kasan_check_read+0x11/0x20
[  436.355652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.360950]  ? generic_perform_write+0x6a0/0x6a0
[  436.365719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.371276]  ? check_preemption_disabled+0x48/0x280
[  436.376313]  filemap_fault+0x1595/0x25f0
[  436.380397]  ? __lock_page_or_retry+0xa00/0xa00
[  436.385083]  ? mark_held_locks+0x130/0x130
[  436.389340]  ? filemap_map_pages+0xd6b/0x1a20
[  436.393847]  ? lock_downgrade+0x900/0x900
[  436.398009]  ? check_preemption_disabled+0x48/0x280
[  436.403043]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  436.407982]  ? kasan_check_read+0x11/0x20
[  436.412140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.417426]  ? rcu_softirq_qs+0x20/0x20
[  436.421435]  ? filemap_map_pages+0xd92/0x1a20
[  436.425947]  ? __lock_acquire+0x62f/0x4c20
[  436.430210]  ? find_get_entries_tag+0x1400/0x1400
[  436.435089]  ? lock_acquire+0x1ed/0x520
[  436.439076]  ? ext4_filemap_fault+0x7a/0xad
[  436.443418]  ? lock_release+0xa00/0xa00
[  436.447408]  ? perf_trace_sched_process_exec+0x860/0x860
[  436.452871]  ? print_usage_bug+0xc0/0xc0
[  436.456950]  ? print_usage_bug+0xc0/0xc0
[  436.461034]  ? down_read+0x8d/0x120
[  436.464729]  ? ext4_filemap_fault+0x7a/0xad
[  436.469064]  ? __down_interruptible+0x700/0x700
[  436.473758]  ext4_filemap_fault+0x82/0xad
[  436.477929]  __do_fault+0x100/0x6b0
[  436.481579]  ? pmd_devmap_trans_unstable+0x220/0x220
[  436.486699]  ? mark_held_locks+0x130/0x130
[  436.490951]  ? mark_held_locks+0x130/0x130
[  436.495196]  ? __might_fault+0x12b/0x1e0
[  436.499274]  ? lock_downgrade+0x900/0x900
[  436.503440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.508993]  __handle_mm_fault+0x3ea0/0x5be0
[  436.513425]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  436.518294]  ? kasan_check_read+0x11/0x20
[  436.522456]  ? _copy_to_user+0xc8/0x110
[  436.526445]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.532009]  ? zap_class+0x640/0x640
[  436.535738]  ? zap_class+0x640/0x640
[  436.539471]  ? find_held_lock+0x36/0x1c0
[  436.543658]  ? handle_mm_fault+0x42a/0xc70
[  436.547918]  ? lock_downgrade+0x900/0x900
[  436.552354]  ? check_preemption_disabled+0x48/0x280
[  436.557387]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  436.562331]  ? kasan_check_read+0x11/0x20
[  436.566489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.571778]  ? rcu_softirq_qs+0x20/0x20
[  436.575763]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.580880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.586439]  ? check_preemption_disabled+0x48/0x280
[  436.591480]  handle_mm_fault+0x54f/0xc70
[  436.595561]  ? __handle_mm_fault+0x5be0/0x5be0
[  436.600164]  ? find_vma+0x34/0x190
[  436.603726]  __do_page_fault+0x5e8/0xe60
[  436.607803]  ? trace_hardirqs_off+0xb8/0x310
[  436.612234]  do_page_fault+0xf2/0x7e0
[  436.616050]  ? vmalloc_sync_all+0x30/0x30
[  436.620214]  ? error_entry+0x70/0xd0
[  436.623946]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.628982]  ? trace_hardirqs_on_caller+0xc0/0x310
[  436.633930]  ? syscall_return_slowpath+0x5e0/0x5e0
[  436.638872]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.643737]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.648771]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  436.654239]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  436.659268]  ? prepare_exit_to_usermode+0x291/0x3b0
[  436.664294]  ? page_fault+0x8/0x30
[  436.667849]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.672704]  ? page_fault+0x8/0x30
[  436.676256]  page_fault+0x1e/0x30
[  436.679722] RIP: 0033:0x4375fe
[  436.683177] Code: Bad RIP value.
[  436.686548] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  436.691922] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  436.699198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  436.706479] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  436.713756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  436.721034] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  436.728343] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  436.728405] aoe: skb alloc failure
[  436.735292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  436.735298] Call Trace:
[  436.735318]  dump_stack+0x244/0x39d
[  436.735341]  ? dump_stack_print_info.cold.1+0x20/0x20
[  436.738904] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  436.748238]  warn_alloc.cold.116+0xb7/0x1bd
[  436.750798] syz-fuzzer cpuset=/ mems_allowed=0
[  436.754429]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  436.783586]  ? lock_downgrade+0x900/0x900
[  436.787759]  ? trace_hardirqs_off+0xb8/0x310
[  436.792189]  ? trace_hardirqs_off+0xb8/0x310
[  436.796618]  __alloc_pages_slowpath+0x26e8/0x2e10
[  436.801531]  ? warn_alloc+0x120/0x120
[  436.805345]  ? print_usage_bug+0xc0/0xc0
[  436.809427]  ? warn_alloc+0x120/0x120
[  436.813244]  ? warn_alloc+0x120/0x120
[  436.817062]  ? print_usage_bug+0xc0/0xc0
[  436.821139]  ? print_usage_bug+0xc0/0xc0
[  436.825215]  ? __lock_acquire+0x62f/0x4c20
[  436.829478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.835028]  ? should_fail+0x22d/0xd01
[  436.838936]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.844050]  ? __lock_acquire+0x62f/0x4c20
[  436.848454]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.853566]  ? __lock_acquire+0x62f/0x4c20
[  436.857809]  ? should_fail+0x22d/0xd01
[  436.861710]  ? find_held_lock+0x36/0x1c0
[  436.865811]  ? mark_held_locks+0x130/0x130
[  436.870066]  ? mark_held_locks+0x130/0x130
[  436.874315]  ? zap_class+0x640/0x640
[  436.878053]  ? mark_held_locks+0xc7/0x130
[  436.882210]  ? do_raw_spin_unlock+0xa7/0x330
[  436.886651]  ? zap_class+0x640/0x640
[  436.890384]  ? print_usage_bug+0xc0/0xc0
[  436.894520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.900073]  ? check_preemption_disabled+0x48/0x280
[  436.905114]  ? __lock_is_held+0xb5/0x140
[  436.909193]  __alloc_pages_nodemask+0xa80/0xde0
[  436.913873]  ? zap_class+0x640/0x640
[  436.917605]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  436.922692]  ? find_held_lock+0x36/0x1c0
[  436.926778]  ? ____cache_alloc_node+0x1c7/0x1e0
[  436.931465]  ? lock_downgrade+0x900/0x900
[  436.935658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.941222]  cache_grow_begin+0xa5/0x8c0
[  436.945298]  ? do_raw_spin_unlock+0xa7/0x330
[  436.950161]  fallback_alloc+0x204/0x2e0
[  436.954161]  ____cache_alloc_node+0x1c7/0x1e0
[  436.958694]  kmem_cache_alloc_node+0xe3/0x730
[  436.963203]  ? ipv6_get_ifaddr+0x42e/0x620
[  436.967461]  __alloc_skb+0x119/0x770
[  436.971184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.976480]  ? netdev_alloc_frag+0x1f0/0x1f0
[  436.980901]  ? lock_downgrade+0x900/0x900
[  436.985071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.990620]  ? refcount_sub_and_test_checked+0x203/0x310
[  436.996112]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  437.001575]  ? addrconf_rs_timer+0x690/0x690
[  437.006011]  ndisc_alloc_skb+0x144/0x340
[  437.010089]  ndisc_send_rs+0x331/0x6e0
[  437.013998]  addrconf_rs_timer+0x314/0x690
[  437.018250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.022513]  call_timer_fn+0x272/0x920
[  437.026415]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.030686]  ? process_timeout+0x40/0x40
[  437.034769]  ? __run_timers+0x7da/0xc70
[  437.038760]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.043263]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.047771]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.052017]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.056614]  ? trace_hardirqs_on+0xbd/0x310
[  437.060966]  ? kasan_check_read+0x11/0x20
[  437.065126]  ? __run_timers+0x7da/0xc70
[  437.069115]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.074234]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.078487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  437.082735]  __run_timers+0x7e5/0xc70
[  437.086560]  ? timer_fixup_init+0x70/0x70
[  437.090723]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.095227]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.099735]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.104595]  ? trace_hardirqs_on+0xbd/0x310
[  437.108948]  ? kasan_check_read+0x11/0x20
[  437.113162]  ? finish_task_switch+0x1f4/0x910
[  437.117686]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.122802]  ? compat_start_thread+0x80/0x80
[  437.127246]  ? pvclock_read_flags+0x160/0x160
[  437.131754]  ? __switch_to_asm+0x34/0x70
[  437.135832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.141384]  ? check_preemption_disabled+0x48/0x280
[  437.146516]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  437.152066]  ? rcu_pm_notify+0xc0/0xc0
[  437.155966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.161519]  ? check_preemption_disabled+0x48/0x280
[  437.166555]  run_timer_softirq+0x52/0xb0
[  437.170692]  ? rcu_read_lock_sched_held+0x14f/0x180
[  437.175721]  __do_softirq+0x308/0xb7e
[  437.179545]  ? trace_hardirqs_on_caller+0xc0/0x310
[  437.184492]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  437.189605]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  437.195095]  ? schedule+0x108/0x460
[  437.198737]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  437.203511]  ? trace_hardirqs_off+0xb8/0x310
[  437.207934]  ? smpboot_thread_fn+0x68b/0xa00
[  437.212356]  ? trace_hardirqs_on+0x310/0x310
[  437.216786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.222335]  ? check_preemption_disabled+0x48/0x280
[  437.227369]  ? takeover_tasklets+0xa90/0xa90
[  437.231796]  run_ksoftirqd+0x5e/0x100
[  437.235607]  smpboot_thread_fn+0x68b/0xa00
[  437.239878]  ? sort_range+0x30/0x30
[  437.243515]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  437.248648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.254200]  ? __kthread_parkme+0xfb/0x1a0
[  437.258451]  ? sort_range+0x30/0x30
[  437.262101]  kthread+0x35a/0x440
[  437.265480]  ? kthread_stop+0x900/0x900
[  437.269471]  ret_from_fork+0x3a/0x50
[  437.273220] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  437.273225] warn_alloc_show_mem: 1 callbacks suppressed
[  437.273233] Mem-Info:
[  437.280254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  437.285653] active_anon:56065 inactive_anon:190 isolated_anon:0
[  437.285653]  active_file:11 inactive_file:12 isolated_file:0
[  437.285653]  unevictable:0 dirty:0 writeback:0 unstable:0
[  437.285653]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  437.285653]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  437.285653]  free:13773 free_pcp:518 free_cma:0
[  437.288034] Call Trace:
[  437.297429] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  437.330280]  <IRQ>
[  437.332862] 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
[  437.360363]  dump_stack+0x244/0x39d
[  437.362498] lowmem_reserve[]: 0 2818 6321 6321
[  437.388613]  ? dump_stack_print_info.cold.1+0x20/0x20
[  437.392225] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  437.396820]  warn_alloc.cold.116+0xb7/0x1bd
[  437.401985] lowmem_reserve[]: 0 0 3503 3503
[  437.429491]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  437.433797] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  437.438124]  ? lock_downgrade+0x900/0x900
[  437.442951] lowmem_reserve[]: 0 0 0 0
[  437.471936]  ? trace_hardirqs_off+0xb8/0x310
[  437.476067] 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
[  437.479880]  ? trace_hardirqs_off+0xb8/0x310
[  437.484319] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  437.497856]  __alloc_pages_slowpath+0x26e8/0x2e10
[  437.502246] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  437.517541]  ? warn_alloc+0x120/0x120
[  437.522352] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  437.537264]  ? warn_alloc+0x120/0x120
[  437.541057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  437.549896]  ? __lock_acquire+0x62f/0x4c20
[  437.553688] 266 total pagecache pages
[  437.562263]  ? warn_alloc+0x120/0x120
[  437.566491] 0 pages in swap cache
[  437.570287]  ? print_usage_bug+0xc0/0xc0
[  437.574077] Swap cache stats: add 0, delete 0, find 0/0
[  437.577579]  ? print_usage_bug+0xc0/0xc0
[  437.581667] Free swap  = 0kB
[  437.587033]  ? mark_held_locks+0x130/0x130
[  437.591078] Total swap = 0kB
[  437.594102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.598322] 1965979 pages RAM
[  437.601347]  ? should_fail+0x22d/0xd01
[  437.606866] 0 pages HighMem/MovableOnly
[  437.606874] 342854 pages reserved
[  437.609992]  ? zap_class+0x640/0x640
[  437.613868] 0 pages cma reserved
[  437.617848]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.621356] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  437.625001]  ? __lock_acquire+0x62f/0x4c20
[  437.625019]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.625035]  ? should_fail+0x22d/0xd01
[  437.628457] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  437.633505]  ? mark_held_locks+0x130/0x130
[  437.639977] ksoftirqd/1 cpuset=/ mems_allowed=0
[  437.644302]  ? mark_held_locks+0x130/0x130
[  437.676700]  ? lock_downgrade+0x900/0x900
[  437.680864]  ? zap_class+0x640/0x640
[  437.684691]  ? zap_class+0x640/0x640
[  437.688423]  ? zap_class+0x640/0x640
[  437.692144]  ? do_raw_spin_unlock+0xa7/0x330
[  437.696564]  ? trace_hardirqs_on+0x310/0x310
[  437.700987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.706535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.712089]  ? check_preemption_disabled+0x48/0x280
[  437.717132]  ? __lock_is_held+0xb5/0x140
[  437.721209]  __alloc_pages_nodemask+0xa80/0xde0
[  437.725898]  ? zap_class+0x640/0x640
[  437.729648]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  437.734713]  ? find_held_lock+0x36/0x1c0
[  437.738811]  ? ____cache_alloc_node+0x1c7/0x1e0
[  437.743494]  ? lock_downgrade+0x900/0x900
[  437.747680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.753238]  cache_grow_begin+0xa5/0x8c0
[  437.757308]  ? do_raw_spin_unlock+0xa7/0x330
[  437.761741]  fallback_alloc+0x204/0x2e0
[  437.765733]  ____cache_alloc_node+0x1c7/0x1e0
[  437.770250]  kmem_cache_alloc_node+0xe3/0x730
[  437.774758]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.779361]  __alloc_skb+0x119/0x770
[  437.783085]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  437.788468]  ? netdev_alloc_frag+0x1f0/0x1f0
[  437.792905]  ? vprintk_default+0x28/0x30
[  437.796982]  ? vprintk_func+0x85/0x181
[  437.800885]  ? printk+0xa7/0xcf
[  437.804184]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  437.808960]  ? do_raw_spin_trylock+0x270/0x270
[  437.813558]  new_skb+0x26/0x1c0
[  437.816849]  aoecmd_cfg+0x279/0x7f0
[  437.820492]  ? find_held_lock+0x36/0x1c0
[  437.824571]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  437.828921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.834482]  ? __lock_is_held+0xb5/0x140
[  437.838563]  discover_timer+0x50/0x60
[  437.842373]  call_timer_fn+0x272/0x920
[  437.846273]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  437.851125]  ? process_timeout+0x40/0x40
[  437.855207]  ? mark_held_locks+0xc7/0x130
[  437.859366]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.863865]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.868368]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  437.873222]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.877816]  ? trace_hardirqs_on+0xbd/0x310
[  437.882144]  ? kasan_check_read+0x11/0x20
[  437.886292]  ? __run_timers+0x7da/0xc70
[  437.890272]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.895389]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  437.900229]  __run_timers+0x7e5/0xc70
[  437.904041]  ? timer_fixup_init+0x70/0x70
[  437.908196]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  437.913216]  ? zap_class+0x640/0x640
[  437.916934]  ? print_usage_bug+0xc0/0xc0
[  437.920997]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  437.926198]  ? find_held_lock+0x36/0x1c0
[  437.930270]  ? zap_class+0x640/0x640
[  437.933992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.939533]  ? check_preemption_disabled+0x48/0x280
[  437.944561]  ? __lock_is_held+0xb5/0x140
[  437.948626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.954179]  ? check_preemption_disabled+0x48/0x280
[  437.959201]  run_timer_softirq+0x52/0xb0
[  437.963263]  ? rcu_read_lock_sched_held+0x14f/0x180
[  437.968292]  __do_softirq+0x308/0xb7e
[  437.972102]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  437.976599]  ? lock_downgrade+0x900/0x900
[  437.980763]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  437.985878]  ? pvclock_read_flags+0x160/0x160
[  437.990381]  ? lapic_next_event+0x5a/0x90
[  437.994531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.000074]  ? kvm_clock_read+0x18/0x30
[  438.004054]  ? kvm_sched_clock_read+0x9/0x20
[  438.008469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.014019]  ? check_preemption_disabled+0x48/0x280
[  438.019049]  irq_exit+0x17f/0x1c0
[  438.022509]  smp_apic_timer_interrupt+0x1cb/0x760
[  438.027354]  ? smp_reschedule_interrupt+0x109/0x650
[  438.032375]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.038257]  ? interrupt_entry+0xb5/0xc0
[  438.042323]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.047341]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.052357]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.057200]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.062219]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.067235]  ? task_prio+0x50/0x50
[  438.070780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.076321]  ? check_preemption_disabled+0x48/0x280
[  438.081348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.086204]  apic_timer_interrupt+0xf/0x20
[  438.090431]  </IRQ>
[  438.092673] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  438.097864] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  438.116768] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  438.124510] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  438.131779] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  438.139051] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  438.146338] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  438.153606] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  438.160917]  retint_kernel+0x1b/0x2d
[  438.164642] RIP: 0010:dump_stack+0x358/0x39d
[  438.169052] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  438.187954] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  438.195665] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  438.202935] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  438.210204] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  438.217473] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  438.224744] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  438.232028]  ? dump_stack+0x34f/0x39d
[  438.235843]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.241041]  ? mark_held_locks+0x130/0x130
[  438.245277]  ? mark_held_locks+0x130/0x130
[  438.249518]  dump_header+0x27b/0xf72
[  438.253246]  ? pagefault_out_of_memory+0x197/0x197
[  438.258185]  ? __lock_acquire+0x62f/0x4c20
[  438.262422]  ? percpu_ref_get_many+0x240/0x240
[  438.267009]  ? print_usage_bug+0xc0/0xc0
[  438.271080]  ? zap_class+0x640/0x640
[  438.274800]  ? print_usage_bug+0xc0/0xc0
[  438.278864]  ? print_usage_bug+0xc0/0xc0
[  438.282932]  ? zap_class+0x640/0x640
[  438.286663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.292208]  ? find_held_lock+0x36/0x1c0
[  438.296286]  ? mark_held_locks+0xc7/0x130
[  438.300437]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  438.305545]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  438.310657]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  438.315244]  ? trace_hardirqs_on+0xbd/0x310
[  438.319571]  ? kasan_check_read+0x11/0x20
[  438.323724]  ? ___ratelimit+0x3b4/0x672
[  438.327704]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.332813]  ? trace_hardirqs_on+0x310/0x310
[  438.337222]  ? lock_downgrade+0x900/0x900
[  438.341368]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  438.346467]  ? ___ratelimit+0x3b9/0x672
[  438.350470]  ? idr_get_free+0xf70/0xf70
[  438.354458]  ? find_held_lock+0x36/0x1c0
[  438.358530]  oom_kill_process.cold.27+0x10/0x903
[  438.363334]  ? zap_class+0x640/0x640
[  438.367057]  ? check_preemption_disabled+0x48/0x280
[  438.372079]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  438.377014]  ? kasan_check_read+0x11/0x20
[  438.381170]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.386455]  ? oom_evaluate_task+0x540/0x540
[  438.390873]  ? find_held_lock+0x36/0x1c0
[  438.394953]  ? out_of_memory+0x974/0x1430
[  438.399103]  ? lock_downgrade+0x900/0x900
[  438.403254]  ? check_preemption_disabled+0x48/0x280
[  438.408276]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  438.413207]  ? kasan_check_read+0x11/0x20
[  438.417357]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.422642]  ? rcu_softirq_qs+0x20/0x20
[  438.426623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.432172]  ? oom_evaluate_task+0x302/0x540
[  438.436584]  out_of_memory+0xa84/0x1430
[  438.440572]  ? oom_killer_disable+0x3a0/0x3a0
[  438.445069]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  438.450007]  ? __ww_mutex_check_waiters+0x160/0x160
[  438.455037]  __alloc_pages_slowpath+0x2354/0x2e10
[  438.459915]  ? warn_alloc+0x120/0x120
[  438.463719]  ? mark_held_locks+0x130/0x130
[  438.467960]  ? find_get_entry+0xaae/0x1120
[  438.472209]  ? filemap_map_pages+0x1a20/0x1a20
[  438.476797]  ? zap_class+0x640/0x640
[  438.480521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.486063]  ? check_preemption_disabled+0x48/0x280
[  438.491080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.496623]  ? should_fail+0x22d/0xd01
[  438.500525]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.505638]  ? zap_class+0x640/0x640
[  438.509380]  ? __lock_is_held+0xb5/0x140
[  438.513457]  ? mark_held_locks+0x130/0x130
[  438.517720]  ? lock_release+0xa00/0xa00
[  438.521714]  ? perf_trace_sched_process_exec+0x860/0x860
[  438.527167]  ? xa_load+0x2ba/0x460
[  438.530710]  ? lock_downgrade+0x900/0x900
[  438.534864]  ? __might_sleep+0x95/0x190
[  438.538868]  __alloc_pages_nodemask+0xa80/0xde0
[  438.543551]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  438.548569]  ? __page_cache_alloc+0x191/0x5c0
[  438.553256]  ? xa_load+0x2e1/0x460
[  438.556804]  ? xa_clear_mark+0x40/0x40
[  438.560695]  ? zap_class+0x640/0x640
[  438.564434]  ? zap_class+0x640/0x640
[  438.568164]  ? zap_class+0x640/0x640
[  438.571880]  ? __do_page_cache_readahead+0x663/0x810
[  438.576995]  ? find_held_lock+0x36/0x1c0
[  438.581068]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  438.586616]  alloc_pages_current+0x173/0x350
[  438.591040]  __page_cache_alloc+0x38c/0x5c0
[  438.595363]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  438.600293]  ? kasan_check_read+0x11/0x20
[  438.604447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.609733]  ? generic_perform_write+0x6a0/0x6a0
[  438.614496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.620056]  ? check_preemption_disabled+0x48/0x280
[  438.625082]  filemap_fault+0x1595/0x25f0
[  438.629158]  ? __lock_page_or_retry+0xa00/0xa00
[  438.633831]  ? mark_held_locks+0x130/0x130
[  438.638077]  ? filemap_map_pages+0xd6b/0x1a20
[  438.642574]  ? lock_downgrade+0x900/0x900
[  438.646724]  ? check_preemption_disabled+0x48/0x280
[  438.651745]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  438.656677]  ? kasan_check_read+0x11/0x20
[  438.660825]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.666103]  ? rcu_softirq_qs+0x20/0x20
[  438.670092]  ? filemap_map_pages+0xd92/0x1a20
[  438.674595]  ? __lock_acquire+0x62f/0x4c20
[  438.678850]  ? find_get_entries_tag+0x1400/0x1400
[  438.683906]  ? lock_acquire+0x1ed/0x520
[  438.687885]  ? ext4_filemap_fault+0x7a/0xad
[  438.692221]  ? lock_release+0xa00/0xa00
[  438.696195]  ? perf_trace_sched_process_exec+0x860/0x860
[  438.701654]  ? print_usage_bug+0xc0/0xc0
[  438.705722]  ? print_usage_bug+0xc0/0xc0
[  438.709799]  ? down_read+0x8d/0x120
[  438.713428]  ? ext4_filemap_fault+0x7a/0xad
[  438.717750]  ? __down_interruptible+0x700/0x700
[  438.722436]  ext4_filemap_fault+0x82/0xad
[  438.726592]  __do_fault+0x100/0x6b0
[  438.730226]  ? pmd_devmap_trans_unstable+0x220/0x220
[  438.735334]  ? mark_held_locks+0x130/0x130
[  438.739574]  ? mark_held_locks+0x130/0x130
[  438.743815]  ? __might_fault+0x12b/0x1e0
[  438.747877]  ? lock_downgrade+0x900/0x900
[  438.752035]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.757578]  __handle_mm_fault+0x3ea0/0x5be0
[  438.762006]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  438.766856]  ? kasan_check_read+0x11/0x20
[  438.771010]  ? _copy_to_user+0xc8/0x110
[  438.774992]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.780542]  ? zap_class+0x640/0x640
[  438.784258]  ? zap_class+0x640/0x640
[  438.787982]  ? find_held_lock+0x36/0x1c0
[  438.792058]  ? handle_mm_fault+0x42a/0xc70
[  438.796301]  ? lock_downgrade+0x900/0x900
[  438.800455]  ? check_preemption_disabled+0x48/0x280
[  438.805475]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  438.810405]  ? kasan_check_read+0x11/0x20
[  438.814555]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.819835]  ? rcu_softirq_qs+0x20/0x20
[  438.823810]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.828919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.834462]  ? check_preemption_disabled+0x48/0x280
[  438.839491]  handle_mm_fault+0x54f/0xc70
[  438.843562]  ? __handle_mm_fault+0x5be0/0x5be0
[  438.848153]  ? find_vma+0x34/0x190
[  438.851703]  __do_page_fault+0x5e8/0xe60
[  438.855765]  ? trace_hardirqs_off+0xb8/0x310
[  438.860187]  do_page_fault+0xf2/0x7e0
[  438.863994]  ? vmalloc_sync_all+0x30/0x30
[  438.868145]  ? error_entry+0x70/0xd0
[  438.871865]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.876886]  ? trace_hardirqs_on_caller+0xc0/0x310
[  438.881823]  ? syscall_return_slowpath+0x5e0/0x5e0
[  438.886750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.891593]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.896608]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  438.902071]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  438.907090]  ? prepare_exit_to_usermode+0x291/0x3b0
[  438.912111]  ? page_fault+0x8/0x30
[  438.915662]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.920507]  ? page_fault+0x8/0x30
[  438.924048]  page_fault+0x1e/0x30
[  438.927499] RIP: 0033:0x4375fe
[  438.930702] Code: Bad RIP value.
[  438.934062] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  438.939420] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  438.946710] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  438.953982] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  438.961252] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  438.968521] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  438.975819] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  438.975881] aoe: skb alloc failure
[  438.982753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  438.982758] Call Trace:
[  438.982782]  dump_stack+0x244/0x39d
[  438.982802]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.986352] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  438.995690]  warn_alloc.cold.116+0xb7/0x1bd
[  438.998241] syz-fuzzer cpuset=/ mems_allowed=0
[  439.001864]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.030953]  ? lock_downgrade+0x900/0x900
[  439.035114]  ? trace_hardirqs_off+0xb8/0x310
[  439.039531]  ? trace_hardirqs_off+0xb8/0x310
[  439.043953]  __alloc_pages_slowpath+0x26e8/0x2e10
[  439.048833]  ? warn_alloc+0x120/0x120
[  439.052646]  ? print_usage_bug+0xc0/0xc0
[  439.056716]  ? warn_alloc+0x120/0x120
[  439.060524]  ? warn_alloc+0x120/0x120
[  439.064332]  ? print_usage_bug+0xc0/0xc0
[  439.068405]  ? print_usage_bug+0xc0/0xc0
[  439.072470]  ? __lock_acquire+0x62f/0x4c20
[  439.076717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.082264]  ? should_fail+0x22d/0xd01
[  439.086160]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.091265]  ? __lock_acquire+0x62f/0x4c20
[  439.095511]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.100614]  ? __lock_acquire+0x62f/0x4c20
[  439.104857]  ? should_fail+0x22d/0xd01
[  439.108748]  ? find_held_lock+0x36/0x1c0
[  439.112820]  ? mark_held_locks+0x130/0x130
[  439.117061]  ? mark_held_locks+0x130/0x130
[  439.121301]  ? zap_class+0x640/0x640
[  439.125016]  ? zap_class+0x640/0x640
[  439.128733]  ? print_usage_bug+0xc0/0xc0
[  439.132794]  ? do_raw_spin_unlock+0xa7/0x330
[  439.137209]  ? zap_class+0x640/0x640
[  439.140922]  ? print_usage_bug+0xc0/0xc0
[  439.144985]  ? wq_watchdog_touch+0x9c/0xfe
[  439.149224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.154765]  ? check_preemption_disabled+0x48/0x280
[  439.159792]  ? __lock_is_held+0xb5/0x140
[  439.163864]  __alloc_pages_nodemask+0xa80/0xde0
[  439.168537]  ? zap_class+0x640/0x640
[  439.172256]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  439.177289]  ? find_held_lock+0x36/0x1c0
[  439.181362]  ? ____cache_alloc_node+0x1c7/0x1e0
[  439.186037]  ? lock_downgrade+0x900/0x900
[  439.190194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.195742]  cache_grow_begin+0xa5/0x8c0
[  439.199808]  ? do_raw_spin_unlock+0xa7/0x330
[  439.204229]  fallback_alloc+0x204/0x2e0
[  439.208214]  ____cache_alloc_node+0x1c7/0x1e0
[  439.212719]  kmem_cache_alloc_node+0xe3/0x730
[  439.217220]  ? ipv6_get_ifaddr+0x42e/0x620
[  439.221466]  __alloc_skb+0x119/0x770
[  439.225183]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.230469]  ? netdev_alloc_frag+0x1f0/0x1f0
[  439.234882]  ? lock_downgrade+0x900/0x900
[  439.239042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.244579]  ? refcount_sub_and_test_checked+0x203/0x310
[  439.250037]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  439.255490]  ? addrconf_rs_timer+0x690/0x690
[  439.259914]  ndisc_alloc_skb+0x144/0x340
[  439.263982]  ndisc_send_rs+0x331/0x6e0
[  439.267880]  addrconf_rs_timer+0x314/0x690
[  439.272124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.276373]  call_timer_fn+0x272/0x920
[  439.280311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.284547]  ? process_timeout+0x40/0x40
[  439.288671]  ? __run_timers+0x7da/0xc70
[  439.292656]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.297154]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.301657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.305895]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.310481]  ? trace_hardirqs_on+0xbd/0x310
[  439.314806]  ? kasan_check_read+0x11/0x20
[  439.318954]  ? __run_timers+0x7da/0xc70
[  439.322935]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.328047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.332307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.336546]  __run_timers+0x7e5/0xc70
[  439.340361]  ? timer_fixup_init+0x70/0x70
[  439.344517]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.349016]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.353515]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.358114]  ? trace_hardirqs_on+0xbd/0x310
[  439.362439]  ? kasan_check_read+0x11/0x20
[  439.366607]  ? finish_task_switch+0x1f4/0x910
[  439.371132]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.376238]  ? compat_start_thread+0x80/0x80
[  439.380678]  ? pvclock_read_flags+0x160/0x160
[  439.385178]  ? __switch_to_asm+0x34/0x70
[  439.389242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.394783]  ? check_preemption_disabled+0x48/0x280
[  439.399811]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  439.405356]  ? rcu_pm_notify+0xc0/0xc0
[  439.409250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.414791]  ? check_preemption_disabled+0x48/0x280
[  439.419819]  run_timer_softirq+0x52/0xb0
[  439.423880]  ? rcu_read_lock_sched_held+0x14f/0x180
[  439.428901]  __do_softirq+0x308/0xb7e
[  439.432711]  ? trace_hardirqs_on_caller+0xc0/0x310
[  439.437658]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  439.442762]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  439.448221]  ? schedule+0x108/0x460
[  439.451852]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  439.456618]  ? trace_hardirqs_off+0xb8/0x310
[  439.461043]  ? smpboot_thread_fn+0x68b/0xa00
[  439.465452]  ? trace_hardirqs_on+0x310/0x310
[  439.469864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.475408]  ? check_preemption_disabled+0x48/0x280
[  439.480435]  ? takeover_tasklets+0xa90/0xa90
[  439.484847]  run_ksoftirqd+0x5e/0x100
[  439.488655]  smpboot_thread_fn+0x68b/0xa00
[  439.492901]  ? sort_range+0x30/0x30
[  439.496533]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  439.501649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.507192]  ? __kthread_parkme+0xfb/0x1a0
[  439.511434]  ? sort_range+0x30/0x30
[  439.515065]  kthread+0x35a/0x440
[  439.518435]  ? kthread_stop+0x900/0x900
[  439.522436]  ret_from_fork+0x3a/0x50
[  439.526174] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  439.526179] warn_alloc_show_mem: 1 callbacks suppressed
[  439.526186] Mem-Info:
[  439.533191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.533200] Call Trace:
[  439.538578] active_anon:56065 inactive_anon:190 isolated_anon:0
[  439.538578]  active_file:11 inactive_file:12 isolated_file:0
[  439.538578]  unevictable:0 dirty:0 writeback:0 unstable:0
[  439.538578]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  439.538578]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  439.538578]  free:13773 free_pcp:518 free_cma:0
[  439.540954]  <IRQ>
[  439.550409] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  439.552990]  dump_stack+0x244/0x39d
[  439.585845] 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
[  439.587995]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.615466] lowmem_reserve[]: 0 2818 6321 6321
[  439.619112]  warn_alloc.cold.116+0xb7/0x1bd
[  439.645188] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  439.650371]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.654929] lowmem_reserve[]: 0 0 3503 3503
[  439.659248]  ? lock_downgrade+0x900/0x900
[  439.686724] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  439.691569]  ? trace_hardirqs_off+0xb8/0x310
[  439.695860] lowmem_reserve[]: 0 0 0 0
[  439.700009]  ? trace_hardirqs_off+0xb8/0x310
[  439.728959] 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
[  439.733369]  __alloc_pages_slowpath+0x26e8/0x2e10
[  439.737143] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  439.741570]  ? warn_alloc+0x120/0x120
[  439.755045] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  439.759883]  ? warn_alloc+0x120/0x120
[  439.775039] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  439.778829]  ? __lock_acquire+0x62f/0x4c20
[  439.793719] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  439.793729] 266 total pagecache pages
[  439.797524]  ? warn_alloc+0x120/0x120
[  439.806345] 0 pages in swap cache
[  439.810597]  ? print_usage_bug+0xc0/0xc0
[  439.819148] Swap cache stats: add 0, delete 0, find 0/0
[  439.822939]  ? print_usage_bug+0xc0/0xc0
[  439.826714] Free swap  = 0kB
[  439.830172]  ? mark_held_locks+0x130/0x130
[  439.834209] Total swap = 0kB
[  439.839566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.843604] 1965979 pages RAM
[  439.846616]  ? should_fail+0x22d/0xd01
[  439.850834] 0 pages HighMem/MovableOnly
[  439.853845]  ? zap_class+0x640/0x640
[  439.859361] 342854 pages reserved
[  439.862462]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.866325] 0 pages cma reserved
[  439.870293]  ? __lock_acquire+0x62f/0x4c20
[  439.874071] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  439.877454]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.882625] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  439.885927]  ? should_fail+0x22d/0xd01
[  439.890139] ksoftirqd/1 cpuset=/ mems_allowed=0
[  439.896657]  ? mark_held_locks+0x130/0x130
[  439.924798]  ? mark_held_locks+0x130/0x130
[  439.929035]  ? lock_downgrade+0x900/0x900
[  439.933186]  ? zap_class+0x640/0x640
[  439.936912]  ? zap_class+0x640/0x640
[  439.940639]  ? zap_class+0x640/0x640
[  439.944354]  ? do_raw_spin_unlock+0xa7/0x330
[  439.948768]  ? trace_hardirqs_on+0x310/0x310
[  439.953176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.958718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.964261]  ? check_preemption_disabled+0x48/0x280
[  439.969292]  ? __lock_is_held+0xb5/0x140
[  439.973365]  __alloc_pages_nodemask+0xa80/0xde0
[  439.978036]  ? zap_class+0x640/0x640
[  439.981762]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  439.986798]  ? find_held_lock+0x36/0x1c0
[  439.990871]  ? ____cache_alloc_node+0x1c7/0x1e0
[  439.995549]  ? lock_downgrade+0x900/0x900
[  439.999709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.005254]  cache_grow_begin+0xa5/0x8c0
[  440.009322]  ? do_raw_spin_unlock+0xa7/0x330
[  440.013746]  fallback_alloc+0x204/0x2e0
[  440.017730]  ____cache_alloc_node+0x1c7/0x1e0
[  440.022234]  kmem_cache_alloc_node+0xe3/0x730
[  440.026736]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.031332]  __alloc_skb+0x119/0x770
[  440.035050]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  440.040420]  ? netdev_alloc_frag+0x1f0/0x1f0
[  440.044842]  ? vprintk_default+0x28/0x30
[  440.048911]  ? vprintk_func+0x85/0x181
[  440.052801]  ? printk+0xa7/0xcf
[  440.056086]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  440.060848]  ? do_raw_spin_trylock+0x270/0x270
[  440.065435]  new_skb+0x26/0x1c0
[  440.068719]  aoecmd_cfg+0x279/0x7f0
[  440.072350]  ? find_held_lock+0x36/0x1c0
[  440.076417]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  440.080748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.086303]  ? __lock_is_held+0xb5/0x140
[  440.090381]  discover_timer+0x50/0x60
[  440.094182]  call_timer_fn+0x272/0x920
[  440.098071]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  440.102923]  ? process_timeout+0x40/0x40
[  440.106995]  ? mark_held_locks+0xc7/0x130
[  440.111145]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.115647]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.120145]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  440.124990]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.129577]  ? trace_hardirqs_on+0xbd/0x310
[  440.133908]  ? kasan_check_read+0x11/0x20
[  440.138055]  ? __run_timers+0x7da/0xc70
[  440.142034]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.147152]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  440.151994]  __run_timers+0x7e5/0xc70
[  440.155813]  ? timer_fixup_init+0x70/0x70
[  440.159966]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  440.164989]  ? zap_class+0x640/0x640
[  440.168709]  ? print_usage_bug+0xc0/0xc0
[  440.172775]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  440.177996]  ? find_held_lock+0x36/0x1c0
[  440.182063]  ? zap_class+0x640/0x640
[  440.185786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.191328]  ? check_preemption_disabled+0x48/0x280
[  440.196359]  ? __lock_is_held+0xb5/0x140
[  440.200423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.205966]  ? check_preemption_disabled+0x48/0x280
[  440.211001]  run_timer_softirq+0x52/0xb0
[  440.215069]  ? rcu_read_lock_sched_held+0x14f/0x180
[  440.220092]  __do_softirq+0x308/0xb7e
[  440.223935]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  440.228433]  ? lock_downgrade+0x900/0x900
[  440.232590]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  440.237706]  ? pvclock_read_flags+0x160/0x160
[  440.242207]  ? lapic_next_event+0x5a/0x90
[  440.246358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.252339]  ? kvm_clock_read+0x18/0x30
[  440.256315]  ? kvm_sched_clock_read+0x9/0x20
[  440.260726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.266270]  ? check_preemption_disabled+0x48/0x280
[  440.271302]  irq_exit+0x17f/0x1c0
[  440.274761]  smp_apic_timer_interrupt+0x1cb/0x760
[  440.279606]  ? smp_reschedule_interrupt+0x109/0x650
[  440.284641]  ? smp_call_function_single_interrupt+0x650/0x650
[  440.290526]  ? interrupt_entry+0xb5/0xc0
[  440.294606]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.299639]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.304670]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.309516]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.314546]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.319567]  ? task_prio+0x50/0x50
[  440.323115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.328663]  ? check_preemption_disabled+0x48/0x280
[  440.333691]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.338546]  apic_timer_interrupt+0xf/0x20
[  440.342775]  </IRQ>
[  440.345016] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  440.350208] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  440.369111] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  440.376818] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  440.384083] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  440.391349] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  440.398620] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  440.405901] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  440.413209]  retint_kernel+0x1b/0x2d
[  440.416951] RIP: 0010:dump_stack+0x358/0x39d
[  440.421363] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  440.440348] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  440.448058] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  440.455330] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  440.462598] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  440.469874] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  440.477319] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  440.484608]  ? dump_stack+0x34f/0x39d
[  440.488435]  ? dump_stack_print_info.cold.1+0x20/0x20
[  440.493639]  ? mark_held_locks+0x130/0x130
[  440.497878]  ? mark_held_locks+0x130/0x130
[  440.502128]  dump_header+0x27b/0xf72
[  440.505857]  ? pagefault_out_of_memory+0x197/0x197
[  440.510799]  ? __lock_acquire+0x62f/0x4c20
[  440.515039]  ? percpu_ref_get_many+0x240/0x240
[  440.519665]  ? print_usage_bug+0xc0/0xc0
[  440.523749]  ? zap_class+0x640/0x640
[  440.527471]  ? print_usage_bug+0xc0/0xc0
[  440.531532]  ? print_usage_bug+0xc0/0xc0
[  440.535597]  ? zap_class+0x640/0x640
[  440.539328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.544873]  ? find_held_lock+0x36/0x1c0
[  440.548949]  ? mark_held_locks+0xc7/0x130
[  440.553347]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  440.558455]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  440.563564]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  440.568150]  ? trace_hardirqs_on+0xbd/0x310
[  440.572477]  ? kasan_check_read+0x11/0x20
[  440.576624]  ? ___ratelimit+0x3b4/0x672
[  440.580615]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.585732]  ? trace_hardirqs_on+0x310/0x310
[  440.590143]  ? lock_downgrade+0x900/0x900
[  440.594302]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  440.599410]  ? ___ratelimit+0x3b9/0x672
[  440.603388]  ? idr_get_free+0xf70/0xf70
[  440.607367]  ? find_held_lock+0x36/0x1c0
[  440.611441]  oom_kill_process.cold.27+0x10/0x903
[  440.616198]  ? zap_class+0x640/0x640
[  440.619917]  ? check_preemption_disabled+0x48/0x280
[  440.624943]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  440.629877]  ? kasan_check_read+0x11/0x20
[  440.634036]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.639320]  ? oom_evaluate_task+0x540/0x540
[  440.643737]  ? find_held_lock+0x36/0x1c0
[  440.647808]  ? out_of_memory+0x974/0x1430
[  440.651958]  ? lock_downgrade+0x900/0x900
[  440.656110]  ? check_preemption_disabled+0x48/0x280
[  440.661134]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  440.666065]  ? kasan_check_read+0x11/0x20
[  440.670220]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.675502]  ? rcu_softirq_qs+0x20/0x20
[  440.679484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.685197]  ? oom_evaluate_task+0x302/0x540
[  440.689612]  out_of_memory+0xa84/0x1430
[  440.693604]  ? oom_killer_disable+0x3a0/0x3a0
[  440.698115]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  440.703054]  ? __ww_mutex_check_waiters+0x160/0x160
[  440.708087]  __alloc_pages_slowpath+0x2354/0x2e10
[  440.712961]  ? warn_alloc+0x120/0x120
[  440.716762]  ? mark_held_locks+0x130/0x130
[  440.721006]  ? find_get_entry+0xaae/0x1120
[  440.725252]  ? filemap_map_pages+0x1a20/0x1a20
[  440.729842]  ? zap_class+0x640/0x640
[  440.733569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.739110]  ? check_preemption_disabled+0x48/0x280
[  440.744131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.749670]  ? should_fail+0x22d/0xd01
[  440.753564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.758670]  ? zap_class+0x640/0x640
[  440.762425]  ? __lock_is_held+0xb5/0x140
[  440.766496]  ? mark_held_locks+0x130/0x130
[  440.770751]  ? lock_release+0xa00/0xa00
[  440.774730]  ? perf_trace_sched_process_exec+0x860/0x860
[  440.780182]  ? xa_load+0x2ba/0x460
[  440.783733]  ? lock_downgrade+0x900/0x900
[  440.787897]  ? __might_sleep+0x95/0x190
[  440.791887]  __alloc_pages_nodemask+0xa80/0xde0
[  440.796576]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  440.801613]  ? __page_cache_alloc+0x191/0x5c0
[  440.806130]  ? xa_load+0x2e1/0x460
[  440.809679]  ? xa_clear_mark+0x40/0x40
[  440.813571]  ? zap_class+0x640/0x640
[  440.817299]  ? zap_class+0x640/0x640
[  440.821014]  ? zap_class+0x640/0x640
[  440.824729]  ? __do_page_cache_readahead+0x663/0x810
[  440.829843]  ? find_held_lock+0x36/0x1c0
[  440.833926]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  440.839488]  alloc_pages_current+0x173/0x350
[  440.843909]  __page_cache_alloc+0x38c/0x5c0
[  440.848230]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  440.853159]  ? kasan_check_read+0x11/0x20
[  440.857306]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.862590]  ? generic_perform_write+0x6a0/0x6a0
[  440.867347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.872923]  ? check_preemption_disabled+0x48/0x280
[  440.877952]  filemap_fault+0x1595/0x25f0
[  440.882032]  ? __lock_page_or_retry+0xa00/0xa00
[  440.886709]  ? mark_held_locks+0x130/0x130
[  440.890955]  ? filemap_map_pages+0xd6b/0x1a20
[  440.895454]  ? lock_downgrade+0x900/0x900
[  440.899604]  ? check_preemption_disabled+0x48/0x280
[  440.904640]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  440.909572]  ? kasan_check_read+0x11/0x20
[  440.913725]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.919007]  ? rcu_softirq_qs+0x20/0x20
[  440.923000]  ? filemap_map_pages+0xd92/0x1a20
[  440.927504]  ? __lock_acquire+0x62f/0x4c20
[  440.931754]  ? find_get_entries_tag+0x1400/0x1400
[  440.936622]  ? lock_acquire+0x1ed/0x520
[  440.940607]  ? ext4_filemap_fault+0x7a/0xad
[  440.944944]  ? lock_release+0xa00/0xa00
[  440.948928]  ? perf_trace_sched_process_exec+0x860/0x860
[  440.954381]  ? print_usage_bug+0xc0/0xc0
[  440.958459]  ? print_usage_bug+0xc0/0xc0
[  440.962538]  ? down_read+0x8d/0x120
[  440.966167]  ? ext4_filemap_fault+0x7a/0xad
[  440.970495]  ? __down_interruptible+0x700/0x700
[  440.975179]  ext4_filemap_fault+0x82/0xad
[  440.979331]  __do_fault+0x100/0x6b0
[  440.982964]  ? pmd_devmap_trans_unstable+0x220/0x220
[  440.988078]  ? mark_held_locks+0x130/0x130
[  440.992320]  ? mark_held_locks+0x130/0x130
[  440.996558]  ? __might_fault+0x12b/0x1e0
[  441.000622]  ? lock_downgrade+0x900/0x900
[  441.004792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.010336]  __handle_mm_fault+0x3ea0/0x5be0
[  441.014756]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  441.019611]  ? kasan_check_read+0x11/0x20
[  441.023773]  ? _copy_to_user+0xc8/0x110
[  441.027758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.033312]  ? zap_class+0x640/0x640
[  441.037028]  ? zap_class+0x640/0x640
[  441.040753]  ? find_held_lock+0x36/0x1c0
[  441.044825]  ? handle_mm_fault+0x42a/0xc70
[  441.049063]  ? lock_downgrade+0x900/0x900
[  441.053213]  ? check_preemption_disabled+0x48/0x280
[  441.058238]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.063167]  ? kasan_check_read+0x11/0x20
[  441.067319]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.072596]  ? rcu_softirq_qs+0x20/0x20
[  441.076583]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.081691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.087231]  ? check_preemption_disabled+0x48/0x280
[  441.092256]  handle_mm_fault+0x54f/0xc70
[  441.096323]  ? __handle_mm_fault+0x5be0/0x5be0
[  441.100917]  ? find_vma+0x34/0x190
[  441.104469]  __do_page_fault+0x5e8/0xe60
[  441.108530]  ? trace_hardirqs_off+0xb8/0x310
[  441.112952]  do_page_fault+0xf2/0x7e0
[  441.116756]  ? vmalloc_sync_all+0x30/0x30
[  441.120914]  ? error_entry+0x70/0xd0
[  441.124641]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.129664]  ? trace_hardirqs_on_caller+0xc0/0x310
[  441.134595]  ? syscall_return_slowpath+0x5e0/0x5e0
[  441.139534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.144383]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.149400]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  441.154852]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  441.159875]  ? prepare_exit_to_usermode+0x291/0x3b0
[  441.164900]  ? page_fault+0x8/0x30
[  441.168449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.173294]  ? page_fault+0x8/0x30
[  441.176839]  page_fault+0x1e/0x30
[  441.180290] RIP: 0033:0x4375fe
[  441.183491] Code: Bad RIP value.
[  441.186852] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  441.192216] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  441.199482] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  441.206750] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  441.214021] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  441.221292] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  441.228588] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  441.228657] aoe: skb alloc failure
[  441.235527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  441.235532] Call Trace:
[  441.235553]  dump_stack+0x244/0x39d
[  441.235574]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.239124] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  441.248459]  warn_alloc.cold.116+0xb7/0x1bd
[  441.251015] syz-fuzzer cpuset=/ mems_allowed=0
[  441.254647]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  441.283765]  ? lock_downgrade+0x900/0x900
[  441.287925]  ? trace_hardirqs_off+0xb8/0x310
[  441.292346]  ? trace_hardirqs_off+0xb8/0x310
[  441.296768]  __alloc_pages_slowpath+0x26e8/0x2e10
[  441.301651]  ? warn_alloc+0x120/0x120
[  441.305463]  ? print_usage_bug+0xc0/0xc0
[  441.310282]  ? warn_alloc+0x120/0x120
[  441.314092]  ? warn_alloc+0x120/0x120
[  441.317895]  ? print_usage_bug+0xc0/0xc0
[  441.321966]  ? print_usage_bug+0xc0/0xc0
[  441.326033]  ? __lock_acquire+0x62f/0x4c20
[  441.330276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.335817]  ? should_fail+0x22d/0xd01
[  441.339713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.344819]  ? __lock_acquire+0x62f/0x4c20
[  441.349062]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.354168]  ? __lock_acquire+0x62f/0x4c20
[  441.358408]  ? should_fail+0x22d/0xd01
[  441.362296]  ? find_held_lock+0x36/0x1c0
[  441.366368]  ? mark_held_locks+0x130/0x130
[  441.370614]  ? mark_held_locks+0x130/0x130
[  441.374860]  ? zap_class+0x640/0x640
[  441.378574]  ? zap_class+0x640/0x640
[  441.382297]  ? print_usage_bug+0xc0/0xc0
[  441.386360]  ? do_raw_spin_unlock+0xa7/0x330
[  441.390774]  ? zap_class+0x640/0x640
[  441.394493]  ? print_usage_bug+0xc0/0xc0
[  441.398553]  ? wq_watchdog_touch+0x9c/0xfe
[  441.402796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.408356]  ? check_preemption_disabled+0x48/0x280
[  441.413399]  ? __lock_is_held+0xb5/0x140
[  441.417470]  __alloc_pages_nodemask+0xa80/0xde0
[  441.422145]  ? zap_class+0x640/0x640
[  441.425870]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  441.430902]  ? find_held_lock+0x36/0x1c0
[  441.434976]  ? ____cache_alloc_node+0x1c7/0x1e0
[  441.439660]  ? lock_downgrade+0x900/0x900
[  441.443820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.449365]  cache_grow_begin+0xa5/0x8c0
[  441.453434]  ? do_raw_spin_unlock+0xa7/0x330
[  441.457852]  fallback_alloc+0x204/0x2e0
[  441.461835]  ____cache_alloc_node+0x1c7/0x1e0
[  441.466338]  kmem_cache_alloc_node+0xe3/0x730
[  441.470838]  ? ipv6_get_ifaddr+0x42e/0x620
[  441.475088]  __alloc_skb+0x119/0x770
[  441.478803]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.484094]  ? netdev_alloc_frag+0x1f0/0x1f0
[  441.488503]  ? lock_downgrade+0x900/0x900
[  441.492670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.498210]  ? refcount_sub_and_test_checked+0x203/0x310
[  441.503669]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  441.509126]  ? addrconf_rs_timer+0x690/0x690
[  441.513548]  ndisc_alloc_skb+0x144/0x340
[  441.517621]  ndisc_send_rs+0x331/0x6e0
[  441.521528]  addrconf_rs_timer+0x314/0x690
[  441.525775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.530023]  call_timer_fn+0x272/0x920
[  441.533915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.538153]  ? process_timeout+0x40/0x40
[  441.542229]  ? __run_timers+0x7da/0xc70
[  441.546207]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.550963]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.555460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.559703]  ? lockdep_hardirqs_on+0x296/0x5b0
[  441.564293]  ? trace_hardirqs_on+0xbd/0x310
[  441.568619]  ? kasan_check_read+0x11/0x20
[  441.572776]  ? __run_timers+0x7da/0xc70
[  441.576754]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.581869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.586113]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.590346]  __run_timers+0x7e5/0xc70
[  441.594159]  ? timer_fixup_init+0x70/0x70
[  441.598313]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.602807]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.607305]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  441.611925]  ? trace_hardirqs_on+0xbd/0x310
[  441.616251]  ? kasan_check_read+0x11/0x20
[  441.620407]  ? finish_task_switch+0x1f4/0x910
[  441.624908]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.630014]  ? compat_start_thread+0x80/0x80
[  441.634453]  ? pvclock_read_flags+0x160/0x160
[  441.638946]  ? __switch_to_asm+0x34/0x70
[  441.643103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.648654]  ? check_preemption_disabled+0x48/0x280
[  441.653685]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  441.659227]  ? rcu_pm_notify+0xc0/0xc0
[  441.663118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.668672]  ? check_preemption_disabled+0x48/0x280
[  441.673697]  run_timer_softirq+0x52/0xb0
[  441.677761]  ? rcu_read_lock_sched_held+0x14f/0x180
[  441.682779]  __do_softirq+0x308/0xb7e
[  441.686590]  ? trace_hardirqs_on_caller+0xc0/0x310
[  441.691526]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  441.696641]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  441.702102]  ? schedule+0x108/0x460
[  441.705737]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  441.710505]  ? trace_hardirqs_off+0xb8/0x310
[  441.714922]  ? smpboot_thread_fn+0x68b/0xa00
[  441.719338]  ? trace_hardirqs_on+0x310/0x310
[  441.723752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.729293]  ? check_preemption_disabled+0x48/0x280
[  441.734344]  ? takeover_tasklets+0xa90/0xa90
[  441.738760]  run_ksoftirqd+0x5e/0x100
[  441.742565]  smpboot_thread_fn+0x68b/0xa00
[  441.746806]  ? sort_range+0x30/0x30
[  441.750438]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  441.755544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.761086]  ? __kthread_parkme+0xfb/0x1a0
[  441.765325]  ? sort_range+0x30/0x30
[  441.768957]  kthread+0x35a/0x440
[  441.772329]  ? kthread_stop+0x900/0x900
[  441.776310]  ret_from_fork+0x3a/0x50
[  441.780040] warn_alloc_show_mem: 1 callbacks suppressed
[  441.780053] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  441.780054] Mem-Info:
[  441.780087] active_anon:56065 inactive_anon:190 isolated_anon:0
[  441.780087]  active_file:11 inactive_file:12 isolated_file:0
[  441.780087]  unevictable:0 dirty:0 writeback:0 unstable:0
[  441.780087]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  441.780087]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  441.780087]  free:13773 free_pcp:518 free_cma:0
[  441.785422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  441.785431] Call Trace:
[  441.792458] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  441.794859]  <IRQ>
[  441.827728] 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
[  441.837079]  dump_stack+0x244/0x39d
[  441.839661] lowmem_reserve[]: 0 2818 6321 6321
[  441.867155]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.869284] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  441.895398]  warn_alloc.cold.116+0xb7/0x1bd
[  441.898998] lowmem_reserve[]: 0 0 3503 3503
[  441.903589]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  441.908758] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  441.936255]  ? lock_downgrade+0x900/0x900
[  441.940553] lowmem_reserve[]: 0 0 0 0
[  441.944878]  ? trace_hardirqs_off+0xb8/0x310
[  441.949691] 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
[  441.978672]  ? trace_hardirqs_off+0xb8/0x310
[  441.982794] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  441.986617]  __alloc_pages_slowpath+0x26e8/0x2e10
[  441.990998] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  442.004540]  ? warn_alloc+0x120/0x120
[  442.008911] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  442.024074]  ? warn_alloc+0x120/0x120
[  442.028895] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  442.043801]  ? __lock_acquire+0x62f/0x4c20
[  442.047578] 266 total pagecache pages
[  442.056410]  ? warn_alloc+0x120/0x120
[  442.060196] 0 pages in swap cache
[  442.068759]  ? print_usage_bug+0xc0/0xc0
[  442.072974] Swap cache stats: add 0, delete 0, find 0/0
[  442.076763]  ? print_usage_bug+0xc0/0xc0
[  442.080539] Free swap  = 0kB
[  442.083988]  ? mark_held_locks+0x130/0x130
[  442.088025] Total swap = 0kB
[  442.093384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.097421] 1965979 pages RAM
[  442.100438]  ? should_fail+0x22d/0xd01
[  442.104658] 0 pages HighMem/MovableOnly
[  442.107674]  ? zap_class+0x640/0x640
[  442.113186] 342854 pages reserved
[  442.116287]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.120152] 0 pages cma reserved
[  442.124130]  ? __lock_acquire+0x62f/0x4c20
[  442.127889] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  442.131270]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.136442] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  442.139732]  ? should_fail+0x22d/0xd01
[  442.143948] ksoftirqd/1 cpuset=/ mems_allowed=0
[  442.150439]  ? mark_held_locks+0x130/0x130
[  442.178563]  ? mark_held_locks+0x130/0x130
[  442.182802]  ? lock_downgrade+0x900/0x900
[  442.186954]  ? zap_class+0x640/0x640
[  442.190670]  ? zap_class+0x640/0x640
[  442.194386]  ? zap_class+0x640/0x640
[  442.198108]  ? do_raw_spin_unlock+0xa7/0x330
[  442.202521]  ? trace_hardirqs_on+0x310/0x310
[  442.206929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.212483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.218025]  ? check_preemption_disabled+0x48/0x280
[  442.223056]  ? __lock_is_held+0xb5/0x140
[  442.227126]  __alloc_pages_nodemask+0xa80/0xde0
[  442.231796]  ? zap_class+0x640/0x640
[  442.235519]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  442.240554]  ? find_held_lock+0x36/0x1c0
[  442.244639]  ? ____cache_alloc_node+0x1c7/0x1e0
[  442.249316]  ? lock_downgrade+0x900/0x900
[  442.253475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.259020]  cache_grow_begin+0xa5/0x8c0
[  442.263082]  ? do_raw_spin_unlock+0xa7/0x330
[  442.267504]  fallback_alloc+0x204/0x2e0
[  442.271488]  ____cache_alloc_node+0x1c7/0x1e0
[  442.275990]  kmem_cache_alloc_node+0xe3/0x730
[  442.280493]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.285089]  __alloc_skb+0x119/0x770
[  442.288808]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  442.294207]  ? netdev_alloc_frag+0x1f0/0x1f0
[  442.298637]  ? vprintk_default+0x28/0x30
[  442.302710]  ? vprintk_func+0x85/0x181
[  442.306601]  ? printk+0xa7/0xcf
[  442.309888]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  442.314666]  ? do_raw_spin_trylock+0x270/0x270
[  442.319254]  new_skb+0x26/0x1c0
[  442.322534]  aoecmd_cfg+0x279/0x7f0
[  442.326164]  ? find_held_lock+0x36/0x1c0
[  442.330229]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  442.334558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.340138]  ? __lock_is_held+0xb5/0x140
[  442.344217]  discover_timer+0x50/0x60
[  442.348020]  call_timer_fn+0x272/0x920
[  442.351918]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  442.356762]  ? process_timeout+0x40/0x40
[  442.360838]  ? mark_held_locks+0xc7/0x130
[  442.364989]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.369487]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.373984]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  442.378830]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.383416]  ? trace_hardirqs_on+0xbd/0x310
[  442.387742]  ? kasan_check_read+0x11/0x20
[  442.391889]  ? __run_timers+0x7da/0xc70
[  442.395877]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.401013]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  442.405871]  __run_timers+0x7e5/0xc70
[  442.409692]  ? timer_fixup_init+0x70/0x70
[  442.413843]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  442.418861]  ? zap_class+0x640/0x640
[  442.422588]  ? print_usage_bug+0xc0/0xc0
[  442.426661]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  442.431861]  ? find_held_lock+0x36/0x1c0
[  442.435938]  ? zap_class+0x640/0x640
[  442.439668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.445221]  ? check_preemption_disabled+0x48/0x280
[  442.450254]  ? __lock_is_held+0xb5/0x140
[  442.454319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.459860]  ? check_preemption_disabled+0x48/0x280
[  442.464896]  run_timer_softirq+0x52/0xb0
[  442.468962]  ? rcu_read_lock_sched_held+0x14f/0x180
[  442.473985]  __do_softirq+0x308/0xb7e
[  442.477791]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  442.482291]  ? lock_downgrade+0x900/0x900
[  442.486466]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  442.491576]  ? pvclock_read_flags+0x160/0x160
[  442.496079]  ? lapic_next_event+0x5a/0x90
[  442.500231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.505776]  ? kvm_clock_read+0x18/0x30
[  442.509756]  ? kvm_sched_clock_read+0x9/0x20
[  442.514184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.519731]  ? check_preemption_disabled+0x48/0x280
[  442.524761]  irq_exit+0x17f/0x1c0
[  442.528217]  smp_apic_timer_interrupt+0x1cb/0x760
[  442.533063]  ? smp_reschedule_interrupt+0x109/0x650
[  442.538082]  ? smp_call_function_single_interrupt+0x650/0x650
[  442.543970]  ? interrupt_entry+0xb5/0xc0
[  442.548213]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.553440]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.558461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.563312]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.568328]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.573349]  ? task_prio+0x50/0x50
[  442.576900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.582440]  ? check_preemption_disabled+0x48/0x280
[  442.587463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.592319]  apic_timer_interrupt+0xf/0x20
[  442.596546]  </IRQ>
[  442.598786] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  442.603983] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  442.622883] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  442.630599] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  442.637872] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  442.645142] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  442.652413] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  442.659685] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  442.666986]  retint_kernel+0x1b/0x2d
[  442.670704] RIP: 0010:dump_stack+0x358/0x39d
[  442.675115] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  442.694120] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  442.701830] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  442.709099] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  442.716368] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  442.723644] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  442.730922] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  442.738213]  ? dump_stack+0x34f/0x39d
[  442.742044]  ? dump_stack_print_info.cold.1+0x20/0x20
[  442.747253]  ? mark_held_locks+0x130/0x130
[  442.751489]  ? mark_held_locks+0x130/0x130
[  442.755732]  dump_header+0x27b/0xf72
[  442.759460]  ? pagefault_out_of_memory+0x197/0x197
[  442.764401]  ? __lock_acquire+0x62f/0x4c20
[  442.768647]  ? percpu_ref_get_many+0x240/0x240
[  442.773239]  ? print_usage_bug+0xc0/0xc0
[  442.777308]  ? zap_class+0x640/0x640
[  442.781031]  ? print_usage_bug+0xc0/0xc0
[  442.785093]  ? print_usage_bug+0xc0/0xc0
[  442.789162]  ? zap_class+0x640/0x640
[  442.792880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.798430]  ? find_held_lock+0x36/0x1c0
[  442.802501]  ? mark_held_locks+0xc7/0x130
[  442.806661]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  442.811764]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  442.816872]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  442.821464]  ? trace_hardirqs_on+0xbd/0x310
[  442.825791]  ? kasan_check_read+0x11/0x20
[  442.829939]  ? ___ratelimit+0x3b4/0x672
[  442.833940]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.839047]  ? trace_hardirqs_on+0x310/0x310
[  442.843457]  ? lock_downgrade+0x900/0x900
[  442.847611]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  442.852724]  ? ___ratelimit+0x3b9/0x672
[  442.856705]  ? idr_get_free+0xf70/0xf70
[  442.860680]  ? find_held_lock+0x36/0x1c0
[  442.864758]  oom_kill_process.cold.27+0x10/0x903
[  442.869520]  ? zap_class+0x640/0x640
[  442.873242]  ? check_preemption_disabled+0x48/0x280
[  442.878262]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.883195]  ? kasan_check_read+0x11/0x20
[  442.887347]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.892638]  ? oom_evaluate_task+0x540/0x540
[  442.897055]  ? find_held_lock+0x36/0x1c0
[  442.901128]  ? out_of_memory+0x974/0x1430
[  442.905277]  ? lock_downgrade+0x900/0x900
[  442.909431]  ? check_preemption_disabled+0x48/0x280
[  442.914452]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.919382]  ? kasan_check_read+0x11/0x20
[  442.923532]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.928810]  ? rcu_softirq_qs+0x20/0x20
[  442.932793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.938333]  ? oom_evaluate_task+0x302/0x540
[  442.942752]  out_of_memory+0xa84/0x1430
[  442.946738]  ? oom_killer_disable+0x3a0/0x3a0
[  442.951239]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  442.956174]  ? __ww_mutex_check_waiters+0x160/0x160
[  442.961217]  __alloc_pages_slowpath+0x2354/0x2e10
[  442.966119]  ? warn_alloc+0x120/0x120
[  442.969929]  ? mark_held_locks+0x130/0x130
[  442.974169]  ? find_get_entry+0xaae/0x1120
[  442.978417]  ? filemap_map_pages+0x1a20/0x1a20
[  442.983009]  ? zap_class+0x640/0x640
[  442.986735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.992277]  ? check_preemption_disabled+0x48/0x280
[  442.997300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.002837]  ? should_fail+0x22d/0xd01
[  443.006734]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.011842]  ? zap_class+0x640/0x640
[  443.015584]  ? __lock_is_held+0xb5/0x140
[  443.019664]  ? mark_held_locks+0x130/0x130
[  443.023909]  ? lock_release+0xa00/0xa00
[  443.027886]  ? perf_trace_sched_process_exec+0x860/0x860
[  443.033348]  ? xa_load+0x2ba/0x460
[  443.036896]  ? lock_downgrade+0x900/0x900
[  443.041053]  ? __might_sleep+0x95/0x190
[  443.045035]  __alloc_pages_nodemask+0xa80/0xde0
[  443.049716]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  443.054734]  ? __page_cache_alloc+0x191/0x5c0
[  443.059231]  ? xa_load+0x2e1/0x460
[  443.062776]  ? xa_clear_mark+0x40/0x40
[  443.066674]  ? zap_class+0x640/0x640
[  443.070402]  ? zap_class+0x640/0x640
[  443.074117]  ? zap_class+0x640/0x640
[  443.077834]  ? __do_page_cache_readahead+0x663/0x810
[  443.082947]  ? find_held_lock+0x36/0x1c0
[  443.087015]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  443.092561]  alloc_pages_current+0x173/0x350
[  443.096976]  __page_cache_alloc+0x38c/0x5c0
[  443.101301]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  443.106232]  ? kasan_check_read+0x11/0x20
[  443.110384]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.115668]  ? generic_perform_write+0x6a0/0x6a0
[  443.120440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.126017]  ? check_preemption_disabled+0x48/0x280
[  443.131042]  filemap_fault+0x1595/0x25f0
[  443.135117]  ? __lock_page_or_retry+0xa00/0xa00
[  443.139792]  ? mark_held_locks+0x130/0x130
[  443.144042]  ? filemap_map_pages+0xd6b/0x1a20
[  443.148604]  ? lock_downgrade+0x900/0x900
[  443.152779]  ? check_preemption_disabled+0x48/0x280
[  443.157822]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  443.162756]  ? kasan_check_read+0x11/0x20
[  443.166912]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.172189]  ? rcu_softirq_qs+0x20/0x20
[  443.176181]  ? filemap_map_pages+0xd92/0x1a20
[  443.180683]  ? __lock_acquire+0x62f/0x4c20
[  443.184934]  ? find_get_entries_tag+0x1400/0x1400
[  443.189801]  ? lock_acquire+0x1ed/0x520
[  443.193777]  ? ext4_filemap_fault+0x7a/0xad
[  443.198111]  ? lock_release+0xa00/0xa00
[  443.202084]  ? perf_trace_sched_process_exec+0x860/0x860
[  443.207554]  ? print_usage_bug+0xc0/0xc0
[  443.211621]  ? print_usage_bug+0xc0/0xc0
[  443.215705]  ? down_read+0x8d/0x120
[  443.219328]  ? ext4_filemap_fault+0x7a/0xad
[  443.223663]  ? __down_interruptible+0x700/0x700
[  443.228345]  ext4_filemap_fault+0x82/0xad
[  443.232499]  __do_fault+0x100/0x6b0
[  443.236131]  ? pmd_devmap_trans_unstable+0x220/0x220
[  443.241237]  ? mark_held_locks+0x130/0x130
[  443.245478]  ? mark_held_locks+0x130/0x130
[  443.249713]  ? __might_fault+0x12b/0x1e0
[  443.253777]  ? lock_downgrade+0x900/0x900
[  443.257937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.263485]  __handle_mm_fault+0x3ea0/0x5be0
[  443.267911]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  443.272761]  ? kasan_check_read+0x11/0x20
[  443.276913]  ? _copy_to_user+0xc8/0x110
[  443.280902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.286457]  ? zap_class+0x640/0x640
[  443.290175]  ? zap_class+0x640/0x640
[  443.293906]  ? find_held_lock+0x36/0x1c0
[  443.297997]  ? handle_mm_fault+0x42a/0xc70
[  443.302235]  ? lock_downgrade+0x900/0x900
[  443.306391]  ? check_preemption_disabled+0x48/0x280
[  443.311454]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  443.316398]  ? kasan_check_read+0x11/0x20
[  443.320549]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.325828]  ? rcu_softirq_qs+0x20/0x20
[  443.329804]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.334918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.340463]  ? check_preemption_disabled+0x48/0x280
[  443.345489]  handle_mm_fault+0x54f/0xc70
[  443.349557]  ? __handle_mm_fault+0x5be0/0x5be0
[  443.354146]  ? find_vma+0x34/0x190
[  443.357693]  __do_page_fault+0x5e8/0xe60
[  443.361755]  ? trace_hardirqs_off+0xb8/0x310
[  443.366180]  do_page_fault+0xf2/0x7e0
[  443.369983]  ? vmalloc_sync_all+0x30/0x30
[  443.374132]  ? error_entry+0x70/0xd0
[  443.377848]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.382869]  ? trace_hardirqs_on_caller+0xc0/0x310
[  443.387803]  ? syscall_return_slowpath+0x5e0/0x5e0
[  443.392736]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.397582]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.402598]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  443.408059]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  443.413079]  ? prepare_exit_to_usermode+0x291/0x3b0
[  443.418099]  ? page_fault+0x8/0x30
[  443.421651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.426499]  ? page_fault+0x8/0x30
[  443.430043]  page_fault+0x1e/0x30
[  443.433496] RIP: 0033:0x4375fe
[  443.436702] Code: Bad RIP value.
[  443.440068] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  443.445428] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  443.452699] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  443.459966] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  443.467233] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  443.474503] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  443.481801] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  443.481832] rcu: INFO: rcu_preempt self-detected stall on CPU
[  443.488731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  443.488739] Call Trace:
[  443.494849] rcu: 	0-...!: (1 GPs behind) idle=4a6/1/0x4000000000000004 softirq=19916/19917 fqs=3 
[  443.503964]  dump_stack+0x244/0x39d
[  443.503983]  ? dump_stack_print_info.cold.1+0x20/0x20
[  443.504010]  warn_alloc.cold.116+0xb7/0x1bd
[  443.504026]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  443.504051]  ? lock_downgrade+0x900/0x900
[  443.504074]  ? trace_hardirqs_off+0xb8/0x310
[  443.504096]  ? trace_hardirqs_off+0xb8/0x310
[  443.504118]  __alloc_pages_slowpath+0x26e8/0x2e10
[  443.506886] rcu: 	 (t=10578 jiffies g=26469 q=39)
[  443.515922]  ? warn_alloc+0x120/0x120
[  443.519528] rcu: rcu_preempt kthread starved for 9709 jiffies! g26469 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  443.524701]  ? print_usage_bug+0xc0/0xc0
[  443.528996] rcu: RCU grace-period kthread stack dump:
[  443.533836]  ? warn_alloc+0x120/0x120
[  443.537961] rcu_preempt     R  running task    22696    10      2 0x80000000
[  443.542365]  ? warn_alloc+0x120/0x120
[  443.546756] Call Trace:
[  443.551592]  ? print_usage_bug+0xc0/0xc0
[  443.556420]  __schedule+0x8cf/0x21d0
[  443.560203]  ? print_usage_bug+0xc0/0xc0
[  443.570593]  ? __sched_text_start+0x8/0x8
[  443.574643]  ? __lock_acquire+0x62f/0x4c20
[  443.579821]  ? add_timer_on+0xa20/0xa20
[  443.583603]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.590771]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  443.594556]  ? should_fail+0x22d/0xd01
[  443.597124]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  443.601174]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.604886]  ? trace_hardirqs_on+0xbd/0x310
[  443.608933]  ? __lock_acquire+0x62f/0x4c20
[  443.613072]  ? kasan_check_read+0x11/0x20
[  443.617293]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.621275]  ? prepare_to_swait_event+0x25a/0x800
[  443.626780]  ? __lock_acquire+0x62f/0x4c20
[  443.631887]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.635756]  ? should_fail+0x22d/0xd01
[  443.640849]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  443.645938]  ? find_held_lock+0x36/0x1c0
[  443.650244]  schedule+0xfe/0x460
[  443.654469]  ? mark_held_locks+0x130/0x130
[  443.658597]  ? __schedule+0x21d0/0x21d0
[  443.663691]  ? mark_held_locks+0x130/0x130
[  443.668522]  ? prepare_to_swait_event+0x25a/0x800
[  443.672738]  ? zap_class+0x640/0x640
[  443.672758]  ? mark_held_locks+0xc7/0x130
[  443.677849]  ? __init_swait_queue_head+0x150/0x150
[  443.681719]  ? do_raw_spin_unlock+0xa7/0x330
[  443.686808]  ? __lockdep_init_map+0x105/0x590
[  443.690853]  ? zap_class+0x640/0x640
[  443.694206]  ? lockdep_init_map+0x9/0x10
[  443.698432]  ? print_usage_bug+0xc0/0xc0
[  443.702399]  schedule_timeout+0x140/0x260
[  443.706624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.711457]  ? usleep_range+0x1a0/0x1a0
[  443.715158]  ? check_preemption_disabled+0x48/0x280
[  443.719286]  ? __next_timer_interrupt+0x1a0/0x1a0
[  443.724204]  ? __lock_is_held+0xb5/0x140
[  443.728605]  rcu_gp_fqs_loop+0x762/0xa80
[  443.733074]  __alloc_pages_nodemask+0xa80/0xde0
[  443.736775]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  443.740814]  ? zap_class+0x640/0x640
[  443.744865]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.748999]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  443.754519]  ? perf_trace_sched_process_exec+0x860/0x860
[  443.758485]  ? find_held_lock+0x36/0x1c0
[  443.763479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.768309]  ? ____cache_alloc_node+0x1c7/0x1e0
[  443.772352]  ? rcu_gp_init+0x90b/0x1260
[  443.776398]  ? lock_downgrade+0x900/0x900
[  443.781053]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  443.785793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.789490]  ? rcu_accelerate_cbs+0x562/0xae0
[  443.794582]  cache_grow_begin+0xa5/0x8c0
[  443.799585]  ? zap_class+0x640/0x640
[  443.805024]  ? do_raw_spin_unlock+0xa7/0x330
[  443.809073]  ? zap_class+0x640/0x640
[  443.814601]  fallback_alloc+0x204/0x2e0
[  443.819257]  ? __lock_is_held+0xb5/0x140
[  443.823211]  ____cache_alloc_node+0x1c7/0x1e0
[  443.827347]  ? __lock_is_held+0xb5/0x140
[  443.832086]  kmem_cache_alloc_node+0xe3/0x730
[  443.837606]  ? zap_class+0x640/0x640
[  443.842088]  ? ipv6_get_ifaddr+0x42e/0x620
[  443.846136]  ? rcu_accelerate_cbs+0x562/0xae0
[  443.849838]  __alloc_skb+0x119/0x770
[  443.854234]  ? find_held_lock+0x36/0x1c0
[  443.857925]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.861897]  ? rcu_gp_kthread+0x8cf/0xc70
[  443.865935]  ? netdev_alloc_frag+0x1f0/0x1f0
[  443.870415]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.874478]  ? lock_downgrade+0x900/0x900
[  443.878954]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.882667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.886888]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  443.891368]  ? refcount_sub_and_test_checked+0x203/0x310
[  443.895075]  ? trace_hardirqs_on+0xbd/0x310
[  443.899122]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  443.904385]  ? kasan_check_read+0x11/0x20
[  443.908535]  ? addrconf_rs_timer+0x690/0x690
[  443.912928]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.917419]  ndisc_alloc_skb+0x144/0x340
[  443.921537]  ? perf_trace_sched_process_exec+0x860/0x860
[  443.926017]  ndisc_send_rs+0x331/0x6e0
[  443.931538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.936104]  addrconf_rs_timer+0x314/0x690
[  443.941543]  rcu_gp_kthread+0x341/0xc70
[  443.945846]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.951281]  ? rcu_gp_init+0x1260/0x1260
[  443.955422]  call_timer_fn+0x272/0x920
[  443.959808]  ? mark_held_locks+0x130/0x130
[  443.964894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.968946]  ? __schedule+0x168a/0x21d0
[  443.974398]  ? process_timeout+0x40/0x40
[  443.978267]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.983809]  ? __run_timers+0x7da/0xc70
[  443.988027]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  443.991986]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.996206]  ? trace_hardirqs_on+0xbd/0x310
[  444.000252]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.004130]  ? kasan_check_read+0x11/0x20
[  444.008346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  444.012568]  ? __schedule+0x168a/0x21d0
[  444.016527]  ? lockdep_hardirqs_on+0x296/0x5b0
[  444.020575]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.025056]  ? trace_hardirqs_on+0xbd/0x310
[  444.029017]  ? lock_pin_lock+0x350/0x350
[  444.033582]  ? kasan_check_read+0x11/0x20
[  444.038066]  ? _raw_spin_unlock_irq+0x60/0x80
[  444.042368]  ? __run_timers+0x7da/0xc70
[  444.046849]  ? __schedule+0x168a/0x21d0
[  444.050981]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.055197]  ? __switch_to_asm+0x40/0x70
[  444.059158]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  444.063721]  ? __switch_to_asm+0x40/0x70
[  444.068811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  444.073118]  ? show_schedstat+0x731/0xf30
[  444.077161]  __run_timers+0x7e5/0xc70
[  444.081298]  ? __sched_text_start+0x8/0x8
[  444.085779]  ? timer_fixup_init+0x70/0x70
[  444.089740]  ? find_held_lock+0x36/0x1c0
[  444.093705]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.098804]  ? __kthread_parkme+0xce/0x1a0
[  444.102844]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.107063]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.111109]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  444.115325]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.119458]  ? trace_hardirqs_on+0xbd/0x310
[  444.123246]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  444.127379]  ? kasan_check_read+0x11/0x20
[  444.131510]  ? trace_hardirqs_on+0xbd/0x310
[  444.135557]  ? finish_task_switch+0x1f4/0x910
[  444.140035]  ? kasan_check_read+0x11/0x20
[  444.144255]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.148736]  ? __kthread_parkme+0xce/0x1a0
[  444.153822]  ? compat_start_thread+0x80/0x80
[  444.158388]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.163496]  ? pvclock_read_flags+0x160/0x160
[  444.167795]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  444.172357]  ? __switch_to_asm+0x34/0x70
[  444.176495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.180803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.185284]  ? __kthread_parkme+0xfb/0x1a0
[  444.189423]  ? check_preemption_disabled+0x48/0x280
[  444.194516]  ? rcu_gp_init+0x1260/0x1260
[  444.198740]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  444.203131]  kthread+0x35a/0x440
[  444.208222]  ? rcu_pm_notify+0xc0/0xc0
[  444.212701]  ? kthread_stop+0x900/0x900
[  444.217786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.221845]  ret_from_fork+0x3a/0x50
[  444.227371]  ? check_preemption_disabled+0x48/0x280
[  444.232905] NMI backtrace for cpu 0
[  444.237108]  run_timer_softirq+0x52/0xb0
[  444.284722]  ? rcu_read_lock_sched_held+0x14f/0x180
[  444.289745]  __do_softirq+0x308/0xb7e
[  444.293554]  ? trace_hardirqs_on_caller+0xc0/0x310
[  444.298493]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  444.303600]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  444.309071]  ? schedule+0x108/0x460
[  444.312702]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  444.317469]  ? trace_hardirqs_off+0xb8/0x310
[  444.321884]  ? smpboot_thread_fn+0x68b/0xa00
[  444.326299]  ? trace_hardirqs_on+0x310/0x310
[  444.330738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.336277]  ? check_preemption_disabled+0x48/0x280
[  444.341303]  ? takeover_tasklets+0xa90/0xa90
[  444.345719]  run_ksoftirqd+0x5e/0x100
[  444.349521]  smpboot_thread_fn+0x68b/0xa00
[  444.353761]  ? sort_range+0x30/0x30
[  444.357399]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  444.362505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.368043]  ? __kthread_parkme+0xfb/0x1a0
[  444.372286]  ? sort_range+0x30/0x30
[  444.375919]  kthread+0x35a/0x440
[  444.379302]  ? kthread_stop+0x900/0x900
[  444.383283]  ret_from_fork+0x3a/0x50
[  444.387035] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  444.387040] warn_alloc_show_mem: 1 callbacks suppressed
[  444.387047] Mem-Info:
[  444.394056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  444.399427] active_anon:56065 inactive_anon:190 isolated_anon:0
[  444.399427]  active_file:11 inactive_file:12 isolated_file:0
[  444.399427]  unevictable:0 dirty:0 writeback:0 unstable:0
[  444.399427]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  444.399427]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  444.399427]  free:13773 free_pcp:518 free_cma:0
[  444.401800] Call Trace:
[  444.411190] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  444.444044]  <IRQ>
[  444.446638] 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
[  444.474134]  dump_stack+0x244/0x39d
[  444.476253] lowmem_reserve[]: 0 2818 6321 6321
[  444.502371]  ? dump_stack_print_info.cold.1+0x20/0x20
[  444.505971] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  444.510550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.515713] lowmem_reserve[]: 0 0 3503 3503
[  444.543209]  ? do_raw_spin_lock+0x14f/0x350
[  444.548720] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  444.553255]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  444.557546] lowmem_reserve[]: 0 0 0 0
[  444.586544]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  444.591187] 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
[  444.594982]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  444.600151] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  444.613670]  arch_trigger_cpumask_backtrace+0x14/0x20
[  444.618923] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  444.634116]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  444.639288] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  444.654193]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  444.658578] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  444.667407]  ? print_other_cpu_stall+0x160/0x160
[  444.672140] 266 total pagecache pages
[  444.680710]  ? print_usage_bug+0xc0/0xc0
[  444.685965] 0 pages in swap cache
[  444.689758]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.693795] Swap cache stats: add 0, delete 0, find 0/0
[  444.693804] Free swap  = 0kB
[  444.697255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.702158] Total swap = 0kB
[  444.707518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.710517] 1965979 pages RAM
[  444.716052]  ? do_trace_rcu_torture_read+0x10/0x10
[  444.719040] 0 pages HighMem/MovableOnly
[  444.719049] 342854 pages reserved
[  444.724587]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  444.727672] 0 pages cma reserved
[  444.732595]  ? __lock_is_held+0xb5/0x140
[  444.736623] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  444.739997]  ? __rcu_read_lock+0x50/0x50
[  444.745342] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  444.748966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.753004] ksoftirqd/1 cpuset=/ mems_allowed=0
[  444.759490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.789530]  ? check_preemption_disabled+0x48/0x280
[  444.794554]  rcu_check_callbacks+0xf3b/0x13f0
[  444.799058]  ? rcutree_dead_cpu+0x10/0x10
[  444.803210]  ? lock_downgrade+0x900/0x900
[  444.807371]  ? lock_release+0x940/0xa00
[  444.811364]  ? zap_class+0x640/0x640
[  444.815079]  ? mark_held_locks+0x130/0x130
[  444.819315]  ? zap_class+0x640/0x640
[  444.823037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.828578]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  444.833164]  ? kvm_set_tsc_khz+0x540/0x540
[  444.837408]  ? find_held_lock+0x36/0x1c0
[  444.841479]  ? zap_class+0x640/0x640
[  444.845194]  ? timekeeping_advance+0x3cc/0xc00
[  444.849783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.855323]  ? check_preemption_disabled+0x48/0x280
[  444.860355]  ? trace_hardirqs_off+0xb8/0x310
[  444.864784]  ? __lock_is_held+0xb5/0x140
[  444.868853]  ? trace_hardirqs_on+0x310/0x310
[  444.873269]  ? check_preemption_disabled+0x48/0x280
[  444.878298]  ? raise_softirq+0x199/0x420
[  444.882361]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  444.887034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.892574]  ? check_preemption_disabled+0x48/0x280
[  444.897601]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  444.903146]  ? hrtimer_run_queues+0x9a/0x400
[  444.907562]  ? run_local_timers+0x19b/0x230
[  444.911895]  ? timer_clear_idle+0x90/0x90
[  444.916048]  ? debug_smp_processor_id+0x1c/0x20
[  444.920728]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  444.926709]  ? account_process_tick+0x282/0x350
[  444.931422]  update_process_times+0x2d/0x70
[  444.935749]  tick_sched_handle+0x9f/0x180
[  444.939912]  tick_sched_timer+0x45/0x130
[  444.943981]  __hrtimer_run_queues+0x41c/0x10d0
[  444.948575]  ? tick_sched_do_timer+0x1a0/0x1a0
[  444.953164]  ? hrtimer_start_range_ns+0xe00/0xe00
[  444.958023]  ? pvclock_read_flags+0x160/0x160
[  444.962524]  ? trace_hardirqs_on+0x310/0x310
[  444.966935]  ? zap_class+0x640/0x640
[  444.970664]  ? kvm_clock_read+0x18/0x30
[  444.974651]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  444.979673]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  444.985044]  ? do_timer+0x50/0x50
[  444.988503]  ? rwlock_bug.part.2+0x90/0x90
[  444.992739]  ? trace_hardirqs_on+0x310/0x310
[  444.997151]  ? rcu_softirq_qs+0x20/0x20
[  445.001140]  hrtimer_interrupt+0x313/0x780
[  445.005395]  smp_apic_timer_interrupt+0x1a1/0x760
[  445.010303]  ? smp_call_function_single_interrupt+0x650/0x650
[  445.016193]  ? interrupt_entry+0xb5/0xc0
[  445.020262]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.025280]  ? ____cache_alloc_node+0x1c7/0x1e0
[  445.029950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.034795]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.039829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.044682]  apic_timer_interrupt+0xf/0x20
[  445.048928] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  445.054293] Code: 3f 7e 0f 85 32 ff ff ff e8 e5 1c 3e ff e9 28 ff ff ff e8 4c 52 c3 ff 48 83 3d 64 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 52 6a
[  445.073192] RSP: 0000:ffff8801dae073d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  445.080904] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10038511d73
[  445.088175] RDX: 0000000000000000 RSI: ffff8801c288eba0 RDI: 0000000000000286
[  445.095445] RBP: ffff8801dae07448 R08: ffff8801c288eb98 R09: 0000000000000002
[  445.102716] R10: 0000000000000000 R11: ffff8801c288e280 R12: ffff8801d9bee600
[  445.109983] R13: ffff8801d9bee600 R14: 0000000000000000 R15: 0000000000000286
[  445.117259]  ? apic_timer_interrupt+0xa/0x20
[  445.121696]  ? lockdep_hardirqs_on+0x296/0x5b0
[  445.126290]  __alloc_skb+0x119/0x770
[  445.130002]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  445.135371]  ? netdev_alloc_frag+0x1f0/0x1f0
[  445.139818]  ? vprintk_default+0x28/0x30
[  445.143885]  ? vprintk_func+0x85/0x181
[  445.147784]  ? printk+0xa7/0xcf
[  445.151068]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  445.155831]  ? do_raw_spin_trylock+0x270/0x270
[  445.160422]  new_skb+0x26/0x1c0
[  445.163705]  aoecmd_cfg+0x279/0x7f0
[  445.167337]  ? find_held_lock+0x36/0x1c0
[  445.171432]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  445.175764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.181404]  ? __lock_is_held+0xb5/0x140
[  445.185538]  discover_timer+0x50/0x60
[  445.189341]  call_timer_fn+0x272/0x920
[  445.193234]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  445.198078]  ? process_timeout+0x40/0x40
[  445.202159]  ? mark_held_locks+0xc7/0x130
[  445.206312]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.210807]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.215311]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  445.220187]  ? lockdep_hardirqs_on+0x296/0x5b0
[  445.224805]  ? trace_hardirqs_on+0xbd/0x310
[  445.229126]  ? kasan_check_read+0x11/0x20
[  445.233273]  ? __run_timers+0x7da/0xc70
[  445.237252]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.242388]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  445.247242]  __run_timers+0x7e5/0xc70
[  445.251055]  ? timer_fixup_init+0x70/0x70
[  445.255208]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  445.260227]  ? zap_class+0x640/0x640
[  445.263948]  ? print_usage_bug+0xc0/0xc0
[  445.268013]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  445.273213]  ? find_held_lock+0x36/0x1c0
[  445.277281]  ? zap_class+0x640/0x640
[  445.281003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.286546]  ? check_preemption_disabled+0x48/0x280
[  445.291578]  ? __lock_is_held+0xb5/0x140
[  445.295655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.301201]  ? check_preemption_disabled+0x48/0x280
[  445.306224]  run_timer_softirq+0x52/0xb0
[  445.310287]  ? rcu_read_lock_sched_held+0x14f/0x180
[  445.315306]  __do_softirq+0x308/0xb7e
[  445.319113]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  445.323613]  ? lock_downgrade+0x900/0x900
[  445.327777]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  445.332890]  ? pvclock_read_flags+0x160/0x160
[  445.337394]  ? lapic_next_event+0x5a/0x90
[  445.341547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.347091]  ? kvm_clock_read+0x18/0x30
[  445.351067]  ? kvm_sched_clock_read+0x9/0x20
[  445.355478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.361021]  ? check_preemption_disabled+0x48/0x280
[  445.366053]  irq_exit+0x17f/0x1c0
[  445.369509]  smp_apic_timer_interrupt+0x1cb/0x760
[  445.374355]  ? smp_reschedule_interrupt+0x109/0x650
[  445.379379]  ? smp_call_function_single_interrupt+0x650/0x650
[  445.385266]  ? interrupt_entry+0xb5/0xc0
[  445.389335]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.394355]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.399375]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.404225]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.409246]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.414280]  ? task_prio+0x50/0x50
[  445.417821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.423361]  ? check_preemption_disabled+0x48/0x280
[  445.428385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.433240]  apic_timer_interrupt+0xf/0x20
[  445.437482]  </IRQ>
[  445.439719] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  445.444914] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  445.463908] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  445.471620] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  445.478904] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  445.486175] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  445.493443] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  445.500711] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  445.508014]  retint_kernel+0x1b/0x2d
[  445.511733] RIP: 0010:dump_stack+0x358/0x39d
[  445.516144] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  445.535043] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  445.542752] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  445.550020] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  445.557292] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  445.564562] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  445.571849] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  445.579137]  ? dump_stack+0x34f/0x39d
[  445.582958]  ? dump_stack_print_info.cold.1+0x20/0x20
[  445.588155]  ? mark_held_locks+0x130/0x130
[  445.592396]  ? mark_held_locks+0x130/0x130
[  445.596649]  dump_header+0x27b/0xf72
[  445.600383]  ? pagefault_out_of_memory+0x197/0x197
[  445.605322]  ? __lock_acquire+0x62f/0x4c20
[  445.609590]  ? percpu_ref_get_many+0x240/0x240
[  445.614178]  ? print_usage_bug+0xc0/0xc0
[  445.618248]  ? zap_class+0x640/0x640
[  445.621967]  ? print_usage_bug+0xc0/0xc0
[  445.626028]  ? print_usage_bug+0xc0/0xc0
[  445.630094]  ? zap_class+0x640/0x640
[  445.633813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.639371]  ? find_held_lock+0x36/0x1c0
[  445.643473]  ? mark_held_locks+0xc7/0x130
[  445.647627]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  445.652739]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  445.657845]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  445.662435]  ? trace_hardirqs_on+0xbd/0x310
[  445.666758]  ? kasan_check_read+0x11/0x20
[  445.670915]  ? ___ratelimit+0x3b4/0x672
[  445.674903]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.680009]  ? trace_hardirqs_on+0x310/0x310
[  445.684422]  ? lock_downgrade+0x900/0x900
[  445.688770]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  445.693875]  ? ___ratelimit+0x3b9/0x672
[  445.697859]  ? idr_get_free+0xf70/0xf70
[  445.701839]  ? find_held_lock+0x36/0x1c0
[  445.705922]  oom_kill_process.cold.27+0x10/0x903
[  445.710687]  ? zap_class+0x640/0x640
[  445.714407]  ? check_preemption_disabled+0x48/0x280
[  445.719462]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  445.724391]  ? kasan_check_read+0x11/0x20
[  445.728587]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.733870]  ? oom_evaluate_task+0x540/0x540
[  445.738288]  ? find_held_lock+0x36/0x1c0
[  445.742361]  ? out_of_memory+0x974/0x1430
[  445.746516]  ? lock_downgrade+0x900/0x900
[  445.750672]  ? check_preemption_disabled+0x48/0x280
[  445.755695]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  445.760628]  ? kasan_check_read+0x11/0x20
[  445.764790]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.770070]  ? rcu_softirq_qs+0x20/0x20
[  445.774085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.779647]  ? oom_evaluate_task+0x302/0x540
[  445.784071]  out_of_memory+0xa84/0x1430
[  445.788075]  ? oom_killer_disable+0x3a0/0x3a0
[  445.792589]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  445.797527]  ? __ww_mutex_check_waiters+0x160/0x160
[  445.802559]  __alloc_pages_slowpath+0x2354/0x2e10
[  445.807437]  ? warn_alloc+0x120/0x120
[  445.811240]  ? mark_held_locks+0x130/0x130
[  445.815481]  ? find_get_entry+0xaae/0x1120
[  445.819728]  ? filemap_map_pages+0x1a20/0x1a20
[  445.824317]  ? zap_class+0x640/0x640
[  445.828045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.833587]  ? check_preemption_disabled+0x48/0x280
[  445.838604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.844150]  ? should_fail+0x22d/0xd01
[  445.848050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.853169]  ? zap_class+0x640/0x640
[  445.856935]  ? __lock_is_held+0xb5/0x140
[  445.861006]  ? mark_held_locks+0x130/0x130
[  445.865250]  ? lock_release+0xa00/0xa00
[  445.869231]  ? perf_trace_sched_process_exec+0x860/0x860
[  445.874688]  ? xa_load+0x2ba/0x460
[  445.878233]  ? lock_downgrade+0x900/0x900
[  445.882393]  ? __might_sleep+0x95/0x190
[  445.886389]  __alloc_pages_nodemask+0xa80/0xde0
[  445.891083]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  445.896101]  ? __page_cache_alloc+0x191/0x5c0
[  445.900599]  ? xa_load+0x2e1/0x460
[  445.904152]  ? xa_clear_mark+0x40/0x40
[  445.908046]  ? zap_class+0x640/0x640
[  445.911775]  ? zap_class+0x640/0x640
[  445.915493]  ? zap_class+0x640/0x640
[  445.919213]  ? __do_page_cache_readahead+0x663/0x810
[  445.924330]  ? find_held_lock+0x36/0x1c0
[  445.928399]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  445.933947]  alloc_pages_current+0x173/0x350
[  445.938390]  __page_cache_alloc+0x38c/0x5c0
[  445.942714]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  445.947652]  ? kasan_check_read+0x11/0x20
[  445.951810]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.957092]  ? generic_perform_write+0x6a0/0x6a0
[  445.961853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.967396]  ? check_preemption_disabled+0x48/0x280
[  445.972425]  filemap_fault+0x1595/0x25f0
[  445.976520]  ? __lock_page_or_retry+0xa00/0xa00
[  445.981213]  ? mark_held_locks+0x130/0x130
[  445.985463]  ? filemap_map_pages+0xd6b/0x1a20
[  445.989965]  ? lock_downgrade+0x900/0x900
[  445.994118]  ? check_preemption_disabled+0x48/0x280
[  445.999137]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  446.004068]  ? kasan_check_read+0x11/0x20
[  446.008217]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.013495]  ? rcu_softirq_qs+0x20/0x20
[  446.017489]  ? filemap_map_pages+0xd92/0x1a20
[  446.021990]  ? __lock_acquire+0x62f/0x4c20
[  446.026235]  ? find_get_entries_tag+0x1400/0x1400
[  446.031104]  ? lock_acquire+0x1ed/0x520
[  446.035080]  ? ext4_filemap_fault+0x7a/0xad
[  446.039432]  ? lock_release+0xa00/0xa00
[  446.043406]  ? perf_trace_sched_process_exec+0x860/0x860
[  446.048859]  ? print_usage_bug+0xc0/0xc0
[  446.052926]  ? print_usage_bug+0xc0/0xc0
[  446.057004]  ? down_read+0x8d/0x120
[  446.060637]  ? ext4_filemap_fault+0x7a/0xad
[  446.064964]  ? __down_interruptible+0x700/0x700
[  446.069656]  ext4_filemap_fault+0x82/0xad
[  446.073809]  __do_fault+0x100/0x6b0
[  446.077443]  ? pmd_devmap_trans_unstable+0x220/0x220
[  446.082552]  ? mark_held_locks+0x130/0x130
[  446.086795]  ? mark_held_locks+0x130/0x130
[  446.091033]  ? __might_fault+0x12b/0x1e0
[  446.095098]  ? lock_downgrade+0x900/0x900
[  446.099251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.104797]  __handle_mm_fault+0x3ea0/0x5be0
[  446.109220]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  446.114074]  ? kasan_check_read+0x11/0x20
[  446.118223]  ? _copy_to_user+0xc8/0x110
[  446.122206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.127759]  ? zap_class+0x640/0x640
[  446.131478]  ? zap_class+0x640/0x640
[  446.135204]  ? find_held_lock+0x36/0x1c0
[  446.139276]  ? handle_mm_fault+0x42a/0xc70
[  446.143516]  ? lock_downgrade+0x900/0x900
[  446.147668]  ? check_preemption_disabled+0x48/0x280
[  446.152690]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  446.157618]  ? kasan_check_read+0x11/0x20
[  446.161777]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.167057]  ? rcu_softirq_qs+0x20/0x20
[  446.171032]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.176140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.181685]  ? check_preemption_disabled+0x48/0x280
[  446.186715]  handle_mm_fault+0x54f/0xc70
[  446.190786]  ? __handle_mm_fault+0x5be0/0x5be0
[  446.195375]  ? find_vma+0x34/0x190
[  446.198933]  __do_page_fault+0x5e8/0xe60
[  446.202996]  ? trace_hardirqs_off+0xb8/0x310
[  446.207424]  do_page_fault+0xf2/0x7e0
[  446.211233]  ? vmalloc_sync_all+0x30/0x30
[  446.215387]  ? error_entry+0x70/0xd0
[  446.219103]  ? trace_hardirqs_off_caller+0xbb/0x310
[  446.224122]  ? trace_hardirqs_on_caller+0xc0/0x310
[  446.229056]  ? syscall_return_slowpath+0x5e0/0x5e0
[  446.233985]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.238830]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.243850]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  446.249304]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  446.254330]  ? prepare_exit_to_usermode+0x291/0x3b0
[  446.259351]  ? page_fault+0x8/0x30
[  446.262905]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.267842]  ? page_fault+0x8/0x30
[  446.271387]  page_fault+0x1e/0x30
[  446.274839] RIP: 0033:0x4375fe
[  446.278046] Code: Bad RIP value.
[  446.281406] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  446.286778] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  446.294044] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  446.301317] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  446.308605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  446.315912] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  446.323211] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  446.323662] aoe: skb alloc failure
[  446.330140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  446.330149] Call Trace:
[  446.333740] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  446.343029]  dump_stack+0x244/0x39d
[  446.345591] syz-fuzzer cpuset=/ mems_allowed=0
[  446.355809]  ? dump_stack_print_info.cold.1+0x20/0x20
[  446.369180]  warn_alloc.cold.116+0xb7/0x1bd
[  446.373506]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  446.378355]  ? lock_downgrade+0x900/0x900
[  446.382513]  ? trace_hardirqs_off+0xb8/0x310
[  446.386935]  ? trace_hardirqs_off+0xb8/0x310
[  446.391358]  __alloc_pages_slowpath+0x26e8/0x2e10
[  446.396241]  ? warn_alloc+0x120/0x120
[  446.400052]  ? print_usage_bug+0xc0/0xc0
[  446.404120]  ? warn_alloc+0x120/0x120
[  446.407926]  ? warn_alloc+0x120/0x120
[  446.411731]  ? print_usage_bug+0xc0/0xc0
[  446.415803]  ? print_usage_bug+0xc0/0xc0
[  446.419869]  ? __lock_acquire+0x62f/0x4c20
[  446.424110]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.429682]  ? should_fail+0x22d/0xd01
[  446.433576]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.438687]  ? __lock_acquire+0x62f/0x4c20
[  446.442928]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.448033]  ? __lock_acquire+0x62f/0x4c20
[  446.452269]  ? should_fail+0x22d/0xd01
[  446.456158]  ? find_held_lock+0x36/0x1c0
[  446.460230]  ? mark_held_locks+0x130/0x130
[  446.464477]  ? mark_held_locks+0x130/0x130
[  446.468717]  ? zap_class+0x640/0x640
[  446.472438]  ? mark_held_locks+0xc7/0x130
[  446.476584]  ? do_raw_spin_unlock+0xa7/0x330
[  446.480996]  ? zap_class+0x640/0x640
[  446.484712]  ? print_usage_bug+0xc0/0xc0
[  446.488779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.494322]  ? check_preemption_disabled+0x48/0x280
[  446.499359]  ? __lock_is_held+0xb5/0x140
[  446.503451]  __alloc_pages_nodemask+0xa80/0xde0
[  446.508125]  ? zap_class+0x640/0x640
[  446.511848]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  446.516880]  ? find_held_lock+0x36/0x1c0
[  446.520954]  ? ____cache_alloc_node+0x1c7/0x1e0
[  446.525628]  ? lock_downgrade+0x900/0x900
[  446.529795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.535340]  cache_grow_begin+0xa5/0x8c0
[  446.539406]  ? do_raw_spin_unlock+0xa7/0x330
[  446.543827]  fallback_alloc+0x204/0x2e0
[  446.547810]  ____cache_alloc_node+0x1c7/0x1e0
[  446.552514]  kmem_cache_alloc_node+0xe3/0x730
[  446.557043]  ? ipv6_get_ifaddr+0x42e/0x620
[  446.561291]  __alloc_skb+0x119/0x770
[  446.565005]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.570287]  ? netdev_alloc_frag+0x1f0/0x1f0
[  446.574698]  ? lock_downgrade+0x900/0x900
[  446.578859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.584408]  ? refcount_sub_and_test_checked+0x203/0x310
[  446.589864]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  446.595316]  ? addrconf_rs_timer+0x690/0x690
[  446.599739]  ndisc_alloc_skb+0x144/0x340
[  446.603807]  ndisc_send_rs+0x331/0x6e0
[  446.607707]  addrconf_rs_timer+0x314/0x690
[  446.611950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  446.616198]  call_timer_fn+0x272/0x920
[  446.620086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  446.624324]  ? process_timeout+0x40/0x40
[  446.628415]  ? __run_timers+0x7da/0xc70
[  446.632416]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.636912]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.641412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  446.645656]  ? lockdep_hardirqs_on+0x296/0x5b0
[  446.650247]  ? trace_hardirqs_on+0xbd/0x310
[  446.654571]  ? kasan_check_read+0x11/0x20
[  446.658722]  ? __run_timers+0x7da/0xc70
[  446.662699]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.667813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  446.672071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  446.676306]  __run_timers+0x7e5/0xc70
[  446.680119]  ? timer_fixup_init+0x70/0x70
[  446.684763]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.689262]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.693761]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  446.698347]  ? trace_hardirqs_on+0xbd/0x310
[  446.702676]  ? kasan_check_read+0x11/0x20
[  446.706829]  ? finish_task_switch+0x1f4/0x910
[  446.711326]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.716449]  ? compat_start_thread+0x80/0x80
[  446.720887]  ? pvclock_read_flags+0x160/0x160
[  446.725405]  ? __switch_to_asm+0x34/0x70
[  446.729474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.735017]  ? check_preemption_disabled+0x48/0x280
[  446.740046]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  446.745587]  ? rcu_pm_notify+0xc0/0xc0
[  446.749493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.755048]  ? check_preemption_disabled+0x48/0x280
[  446.760070]  run_timer_softirq+0x52/0xb0
[  446.764133]  ? rcu_read_lock_sched_held+0x14f/0x180
[  446.769151]  __do_softirq+0x308/0xb7e
[  446.772963]  ? trace_hardirqs_on_caller+0xc0/0x310
[  446.777900]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  446.783004]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  446.788469]  ? schedule+0x108/0x460
[  446.792095]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  446.796868]  ? trace_hardirqs_off+0xb8/0x310
[  446.801280]  ? smpboot_thread_fn+0x68b/0xa00
[  446.805696]  ? trace_hardirqs_on+0x310/0x310
[  446.810112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.815659]  ? check_preemption_disabled+0x48/0x280
[  446.820680]  ? takeover_tasklets+0xa90/0xa90
[  446.825092]  run_ksoftirqd+0x5e/0x100
[  446.828896]  smpboot_thread_fn+0x68b/0xa00
[  446.833136]  ? sort_range+0x30/0x30
[  446.836770]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  446.841880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.847423]  ? __kthread_parkme+0xfb/0x1a0
[  446.851670]  ? sort_range+0x30/0x30
[  446.855297]  kthread+0x35a/0x440
[  446.858668]  ? kthread_stop+0x900/0x900
[  446.862656]  ret_from_fork+0x3a/0x50
[  446.866386] Mem-Info:
[  446.866398] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  446.866409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  446.868826] active_anon:56065 inactive_anon:190 isolated_anon:0
[  446.868826]  active_file:11 inactive_file:12 isolated_file:0
[  446.868826]  unevictable:0 dirty:0 writeback:0 unstable:0
[  446.868826]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  446.868826]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  446.868826]  free:13773 free_pcp:518 free_cma:0
[  446.875815] Call Trace:
[  446.885207] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  446.918052]  <IRQ>
[  446.920626] 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
[  446.948125]  dump_stack+0x244/0x39d
[  446.950247] lowmem_reserve[]: 0 2818 6321 6321
[  446.976356]  ? dump_stack_print_info.cold.1+0x20/0x20
[  446.979960] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  446.984548]  warn_alloc.cold.116+0xb7/0x1bd
[  446.989697] lowmem_reserve[]: 0 0 3503 3503
[  447.017202]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  447.021504] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  447.025828]  ? lock_downgrade+0x900/0x900
[  447.030650] lowmem_reserve[]: 0 0 0 0
[  447.059625]  ? trace_hardirqs_off+0xb8/0x310
[  447.063752] 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
[  447.067549]  ? trace_hardirqs_off+0xb8/0x310
[  447.071932] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  447.085456]  __alloc_pages_slowpath+0x26e8/0x2e10
[  447.089838] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  447.105037]  ? warn_alloc+0x120/0x120
[  447.109839] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  447.124741]  ? warn_alloc+0x120/0x120
[  447.128523] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  447.137350]  ? warn_alloc+0x120/0x120
[  447.141130] 266 total pagecache pages
[  447.149701]  ? print_usage_bug+0xc0/0xc0
[  447.153482] 0 pages in swap cache
[  447.157270]  ? print_usage_bug+0xc0/0xc0
[  447.161311] Swap cache stats: add 0, delete 0, find 0/0
[  447.164757]  ? ktime_get+0x2c1/0x400
[  447.168792] Free swap  = 0kB
[  447.174152]  ? check_preemption_disabled+0x48/0x280
[  447.177841] Total swap = 0kB
[  447.180870]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  447.185863] 1965979 pages RAM
[  447.188873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.193343] 0 pages HighMem/MovableOnly
[  447.196446]  ? should_fail+0x22d/0xd01
[  447.201958] 342854 pages reserved
[  447.205987]  ? kasan_check_read+0x11/0x20
[  447.209850] 0 pages cma reserved
[  447.213298]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.217488] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  447.220785]  ? __lock_acquire+0x62f/0x4c20
[  447.225952] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  447.232351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.236564] ksoftirqd/1 cpuset=/ mems_allowed=0
[  447.246888]  ? should_fail+0x22d/0xd01
[  447.260539]  ? print_usage_bug+0xc0/0xc0
[  447.264651]  ? mark_held_locks+0x130/0x130
[  447.268901]  ? mark_held_locks+0x130/0x130
[  447.273139]  ? check_preemption_disabled+0x48/0x280
[  447.278179]  ? zap_class+0x640/0x640
[  447.281906]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  447.286669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.292208]  ? check_preemption_disabled+0x48/0x280
[  447.297239]  ? __lock_is_held+0xb5/0x140
[  447.301314]  __alloc_pages_nodemask+0xa80/0xde0
[  447.305988]  ? zap_class+0x640/0x640
[  447.309713]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  447.314746]  ? find_held_lock+0x36/0x1c0
[  447.318822]  ? ____cache_alloc_node+0x1c7/0x1e0
[  447.323496]  ? lock_downgrade+0x900/0x900
[  447.327660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.333205]  cache_grow_begin+0xa5/0x8c0
[  447.337268]  ? do_raw_spin_unlock+0xa7/0x330
[  447.341687]  fallback_alloc+0x204/0x2e0
[  447.345678]  ____cache_alloc_node+0x1c7/0x1e0
[  447.350184]  kmem_cache_alloc_node+0xe3/0x730
[  447.354683]  ? lockdep_hardirqs_on+0x296/0x5b0
[  447.359280]  __alloc_skb+0x119/0x770
[  447.362998]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  447.368369]  ? netdev_alloc_frag+0x1f0/0x1f0
[  447.372790]  ? vprintk_default+0x28/0x30
[  447.376862]  ? vprintk_func+0x85/0x181
[  447.380757]  ? printk+0xa7/0xcf
[  447.384041]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  447.388806]  ? do_raw_spin_trylock+0x270/0x270
[  447.393393]  new_skb+0x26/0x1c0
[  447.396680]  aoecmd_cfg+0x279/0x7f0
[  447.400310]  ? find_held_lock+0x36/0x1c0
[  447.404381]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  447.408740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.414322]  ? __lock_is_held+0xb5/0x140
[  447.418394]  discover_timer+0x50/0x60
[  447.422197]  call_timer_fn+0x272/0x920
[  447.426087]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  447.430945]  ? process_timeout+0x40/0x40
[  447.435021]  ? mark_held_locks+0xc7/0x130
[  447.439171]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.443666]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.448161]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  447.453003]  ? lockdep_hardirqs_on+0x296/0x5b0
[  447.457593]  ? trace_hardirqs_on+0xbd/0x310
[  447.461918]  ? kasan_check_read+0x11/0x20
[  447.466066]  ? __run_timers+0x7da/0xc70
[  447.470045]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.475162]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  447.480009]  __run_timers+0x7e5/0xc70
[  447.483823]  ? timer_fixup_init+0x70/0x70
[  447.487980]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  447.493004]  ? zap_class+0x640/0x640
[  447.496729]  ? print_usage_bug+0xc0/0xc0
[  447.500793]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  447.505994]  ? find_held_lock+0x36/0x1c0
[  447.510065]  ? zap_class+0x640/0x640
[  447.513789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.519344]  ? check_preemption_disabled+0x48/0x280
[  447.524378]  ? __lock_is_held+0xb5/0x140
[  447.528443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.533986]  ? check_preemption_disabled+0x48/0x280
[  447.539013]  run_timer_softirq+0x52/0xb0
[  447.543074]  ? rcu_read_lock_sched_held+0x14f/0x180
[  447.548092]  __do_softirq+0x308/0xb7e
[  447.551906]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  447.556405]  ? lock_downgrade+0x900/0x900
[  447.560564]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  447.565677]  ? pvclock_read_flags+0x160/0x160
[  447.570182]  ? lapic_next_event+0x5a/0x90
[  447.574335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.579879]  ? kvm_clock_read+0x18/0x30
[  447.583861]  ? kvm_sched_clock_read+0x9/0x20
[  447.588281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.593822]  ? check_preemption_disabled+0x48/0x280
[  447.598850]  irq_exit+0x17f/0x1c0
[  447.602310]  smp_apic_timer_interrupt+0x1cb/0x760
[  447.607156]  ? smp_reschedule_interrupt+0x109/0x650
[  447.612173]  ? smp_call_function_single_interrupt+0x650/0x650
[  447.618079]  ? interrupt_entry+0xb5/0xc0
[  447.622144]  ? trace_hardirqs_off_caller+0xbb/0x310
[  447.627159]  ? trace_hardirqs_off_caller+0xbb/0x310
[  447.632177]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.637021]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.642040]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.647059]  ? task_prio+0x50/0x50
[  447.650604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.656156]  ? check_preemption_disabled+0x48/0x280
[  447.661200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.666069]  apic_timer_interrupt+0xf/0x20
[  447.670309]  </IRQ>
[  447.672550] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  447.677741] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  447.696648] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  447.704358] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  447.711629] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  447.718908] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  447.726277] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  447.733544] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  447.740864]  retint_kernel+0x1b/0x2d
[  447.744589] RIP: 0010:dump_stack+0x358/0x39d
[  447.749033] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  447.767964] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  447.775684] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  447.782956] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  447.790225] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  447.797494] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  447.804761] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  447.812058]  ? dump_stack+0x34f/0x39d
[  447.815880]  ? dump_stack_print_info.cold.1+0x20/0x20
[  447.821110]  ? mark_held_locks+0x130/0x130
[  447.825346]  ? mark_held_locks+0x130/0x130
[  447.829591]  dump_header+0x27b/0xf72
[  447.833323]  ? pagefault_out_of_memory+0x197/0x197
[  447.838282]  ? __lock_acquire+0x62f/0x4c20
[  447.842539]  ? percpu_ref_get_many+0x240/0x240
[  447.847126]  ? print_usage_bug+0xc0/0xc0
[  447.851195]  ? zap_class+0x640/0x640
[  447.854918]  ? print_usage_bug+0xc0/0xc0
[  447.858982]  ? print_usage_bug+0xc0/0xc0
[  447.863050]  ? zap_class+0x640/0x640
[  447.866770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.872319]  ? find_held_lock+0x36/0x1c0
[  447.876394]  ? mark_held_locks+0xc7/0x130
[  447.880548]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  447.885658]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  447.890767]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  447.895354]  ? trace_hardirqs_on+0xbd/0x310
[  447.899679]  ? kasan_check_read+0x11/0x20
[  447.903826]  ? ___ratelimit+0x3b4/0x672
[  447.907806]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.912920]  ? trace_hardirqs_on+0x310/0x310
[  447.917334]  ? lock_downgrade+0x900/0x900
[  447.921489]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  447.926593]  ? ___ratelimit+0x3b9/0x672
[  447.930572]  ? idr_get_free+0xf70/0xf70
[  447.934552]  ? find_held_lock+0x36/0x1c0
[  447.938624]  oom_kill_process.cold.27+0x10/0x903
[  447.943403]  ? zap_class+0x640/0x640
[  447.947124]  ? check_preemption_disabled+0x48/0x280
[  447.952150]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.957081]  ? kasan_check_read+0x11/0x20
[  447.961234]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.966515]  ? oom_evaluate_task+0x540/0x540
[  447.970933]  ? find_held_lock+0x36/0x1c0
[  447.975003]  ? out_of_memory+0x974/0x1430
[  447.979159]  ? lock_downgrade+0x900/0x900
[  447.983310]  ? check_preemption_disabled+0x48/0x280
[  447.988334]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.993263]  ? kasan_check_read+0x11/0x20
[  447.997412]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.002692]  ? rcu_softirq_qs+0x20/0x20
[  448.006679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.012216]  ? oom_evaluate_task+0x302/0x540
[  448.016641]  out_of_memory+0xa84/0x1430
[  448.020637]  ? oom_killer_disable+0x3a0/0x3a0
[  448.025138]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  448.030072]  ? __ww_mutex_check_waiters+0x160/0x160
[  448.035101]  __alloc_pages_slowpath+0x2354/0x2e10
[  448.039980]  ? warn_alloc+0x120/0x120
[  448.043783]  ? mark_held_locks+0x130/0x130
[  448.048025]  ? find_get_entry+0xaae/0x1120
[  448.052362]  ? filemap_map_pages+0x1a20/0x1a20
[  448.056952]  ? zap_class+0x640/0x640
[  448.060680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.066220]  ? check_preemption_disabled+0x48/0x280
[  448.071237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.076778]  ? should_fail+0x22d/0xd01
[  448.080677]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.085785]  ? zap_class+0x640/0x640
[  448.089537]  ? __lock_is_held+0xb5/0x140
[  448.093623]  ? mark_held_locks+0x130/0x130
[  448.097875]  ? lock_release+0xa00/0xa00
[  448.101857]  ? perf_trace_sched_process_exec+0x860/0x860
[  448.107309]  ? xa_load+0x2ba/0x460
[  448.110857]  ? lock_downgrade+0x900/0x900
[  448.115022]  ? __might_sleep+0x95/0x190
[  448.119005]  __alloc_pages_nodemask+0xa80/0xde0
[  448.123712]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  448.128733]  ? __page_cache_alloc+0x191/0x5c0
[  448.133232]  ? xa_load+0x2e1/0x460
[  448.136778]  ? xa_clear_mark+0x40/0x40
[  448.140672]  ? zap_class+0x640/0x640
[  448.144396]  ? zap_class+0x640/0x640
[  448.148118]  ? zap_class+0x640/0x640
[  448.151834]  ? __do_page_cache_readahead+0x663/0x810
[  448.156943]  ? find_held_lock+0x36/0x1c0
[  448.161011]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  448.166557]  alloc_pages_current+0x173/0x350
[  448.170991]  __page_cache_alloc+0x38c/0x5c0
[  448.175340]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  448.180269]  ? kasan_check_read+0x11/0x20
[  448.184419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.189718]  ? generic_perform_write+0x6a0/0x6a0
[  448.194478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.200025]  ? check_preemption_disabled+0x48/0x280
[  448.205053]  filemap_fault+0x1595/0x25f0
[  448.209134]  ? __lock_page_or_retry+0xa00/0xa00
[  448.213810]  ? mark_held_locks+0x130/0x130
[  448.218057]  ? filemap_map_pages+0xd6b/0x1a20
[  448.222556]  ? lock_downgrade+0x900/0x900
[  448.226704]  ? check_preemption_disabled+0x48/0x280
[  448.231728]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  448.236668]  ? kasan_check_read+0x11/0x20
[  448.240821]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.246102]  ? rcu_softirq_qs+0x20/0x20
[  448.250095]  ? filemap_map_pages+0xd92/0x1a20
[  448.254595]  ? __lock_acquire+0x62f/0x4c20
[  448.258847]  ? find_get_entries_tag+0x1400/0x1400
[  448.263717]  ? lock_acquire+0x1ed/0x520
[  448.267696]  ? ext4_filemap_fault+0x7a/0xad
[  448.272029]  ? lock_release+0xa00/0xa00
[  448.276003]  ? perf_trace_sched_process_exec+0x860/0x860
[  448.281455]  ? print_usage_bug+0xc0/0xc0
[  448.285519]  ? print_usage_bug+0xc0/0xc0
[  448.289593]  ? down_read+0x8d/0x120
[  448.293223]  ? ext4_filemap_fault+0x7a/0xad
[  448.297546]  ? __down_interruptible+0x700/0x700
[  448.302241]  ext4_filemap_fault+0x82/0xad
[  448.306394]  __do_fault+0x100/0x6b0
[  448.310032]  ? pmd_devmap_trans_unstable+0x220/0x220
[  448.315143]  ? mark_held_locks+0x130/0x130
[  448.319381]  ? mark_held_locks+0x130/0x130
[  448.323619]  ? __might_fault+0x12b/0x1e0
[  448.327697]  ? lock_downgrade+0x900/0x900
[  448.331856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.337398]  __handle_mm_fault+0x3ea0/0x5be0
[  448.341821]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  448.346673]  ? kasan_check_read+0x11/0x20
[  448.350826]  ? _copy_to_user+0xc8/0x110
[  448.354806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.360356]  ? zap_class+0x640/0x640
[  448.364071]  ? zap_class+0x640/0x640
[  448.367795]  ? find_held_lock+0x36/0x1c0
[  448.371872]  ? handle_mm_fault+0x42a/0xc70
[  448.376117]  ? lock_downgrade+0x900/0x900
[  448.380270]  ? check_preemption_disabled+0x48/0x280
[  448.385324]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  448.390254]  ? kasan_check_read+0x11/0x20
[  448.394403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.399682]  ? rcu_softirq_qs+0x20/0x20
[  448.403663]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.408771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.414313]  ? check_preemption_disabled+0x48/0x280
[  448.419354]  handle_mm_fault+0x54f/0xc70
[  448.423450]  ? __handle_mm_fault+0x5be0/0x5be0
[  448.428040]  ? find_vma+0x34/0x190
[  448.431592]  __do_page_fault+0x5e8/0xe60
[  448.435710]  ? trace_hardirqs_off+0xb8/0x310
[  448.440132]  do_page_fault+0xf2/0x7e0
[  448.443938]  ? vmalloc_sync_all+0x30/0x30
[  448.448110]  ? error_entry+0x70/0xd0
[  448.451844]  ? trace_hardirqs_off_caller+0xbb/0x310
[  448.456870]  ? trace_hardirqs_on_caller+0xc0/0x310
[  448.461809]  ? syscall_return_slowpath+0x5e0/0x5e0
[  448.466744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.471592]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.476610]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  448.482078]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  448.487097]  ? prepare_exit_to_usermode+0x291/0x3b0
[  448.492115]  ? page_fault+0x8/0x30
[  448.495693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.500542]  ? page_fault+0x8/0x30
[  448.504101]  page_fault+0x1e/0x30
[  448.507552] RIP: 0033:0x4375fe
[  448.510768] Code: Bad RIP value.
[  448.514156] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  448.519546] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  448.526818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  448.534086] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  448.541353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  448.548619] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  448.556409] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  448.556468] aoe: skb alloc failure
[  448.563339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  448.563344] Call Trace:
[  448.563364]  dump_stack+0x244/0x39d
[  448.563385]  ? dump_stack_print_info.cold.1+0x20/0x20
[  448.566944] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  448.576276]  warn_alloc.cold.116+0xb7/0x1bd
[  448.578829] syz-fuzzer cpuset=/ mems_allowed=0
[  448.582450]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  448.611540]  ? lock_downgrade+0x900/0x900
[  448.615718]  ? trace_hardirqs_off+0xb8/0x310
[  448.620140]  ? trace_hardirqs_off+0xb8/0x310
[  448.624563]  __alloc_pages_slowpath+0x26e8/0x2e10
[  448.629445]  ? warn_alloc+0x120/0x120
[  448.633252]  ? print_usage_bug+0xc0/0xc0
[  448.637346]  ? warn_alloc+0x120/0x120
[  448.641158]  ? warn_alloc+0x120/0x120
[  448.644962]  ? print_usage_bug+0xc0/0xc0
[  448.649031]  ? print_usage_bug+0xc0/0xc0
[  448.653099]  ? __lock_acquire+0x62f/0x4c20
[  448.657343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.662883]  ? should_fail+0x22d/0xd01
[  448.666782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.671887]  ? __lock_acquire+0x62f/0x4c20
[  448.676133]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.681731]  ? __lock_acquire+0x62f/0x4c20
[  448.685970]  ? should_fail+0x22d/0xd01
[  448.689860]  ? find_held_lock+0x36/0x1c0
[  448.693932]  ? mark_held_locks+0x130/0x130
[  448.698209]  ? mark_held_locks+0x130/0x130
[  448.702446]  ? zap_class+0x640/0x640
[  448.706168]  ? mark_held_locks+0xc7/0x130
[  448.710320]  ? do_raw_spin_unlock+0xa7/0x330
[  448.714733]  ? zap_class+0x640/0x640
[  448.718449]  ? print_usage_bug+0xc0/0xc0
[  448.722515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.728098]  ? check_preemption_disabled+0x48/0x280
[  448.733151]  ? __lock_is_held+0xb5/0x140
[  448.737222]  __alloc_pages_nodemask+0xa80/0xde0
[  448.741932]  ? zap_class+0x640/0x640
[  448.745670]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  448.750702]  ? find_held_lock+0x36/0x1c0
[  448.754778]  ? ____cache_alloc_node+0x1c7/0x1e0
[  448.759456]  ? lock_downgrade+0x900/0x900
[  448.763617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.769168]  cache_grow_begin+0xa5/0x8c0
[  448.773231]  ? do_raw_spin_unlock+0xa7/0x330
[  448.777660]  fallback_alloc+0x204/0x2e0
[  448.781654]  ____cache_alloc_node+0x1c7/0x1e0
[  448.786166]  kmem_cache_alloc_node+0xe3/0x730
[  448.790668]  ? ipv6_get_ifaddr+0x42e/0x620
[  448.794919]  __alloc_skb+0x119/0x770
[  448.798643]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.803928]  ? netdev_alloc_frag+0x1f0/0x1f0
[  448.808337]  ? lock_downgrade+0x900/0x900
[  448.812494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.818038]  ? refcount_sub_and_test_checked+0x203/0x310
[  448.823494]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  448.828958]  ? addrconf_rs_timer+0x690/0x690
[  448.833404]  ndisc_alloc_skb+0x144/0x340
[  448.837495]  ndisc_send_rs+0x331/0x6e0
[  448.841389]  addrconf_rs_timer+0x314/0x690
[  448.845646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.849895]  call_timer_fn+0x272/0x920
[  448.853790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.858047]  ? process_timeout+0x40/0x40
[  448.862257]  ? __run_timers+0x7da/0xc70
[  448.866239]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.870737]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.875232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.879473]  ? lockdep_hardirqs_on+0x296/0x5b0
[  448.884062]  ? trace_hardirqs_on+0xbd/0x310
[  448.888386]  ? kasan_check_read+0x11/0x20
[  448.892538]  ? __run_timers+0x7da/0xc70
[  448.896517]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.901626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.905883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  448.910175]  __run_timers+0x7e5/0xc70
[  448.914022]  ? timer_fixup_init+0x70/0x70
[  448.918193]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.922707]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.927239]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  448.931846]  ? trace_hardirqs_on+0xbd/0x310
[  448.936187]  ? kasan_check_read+0x11/0x20
[  448.940355]  ? finish_task_switch+0x1f4/0x910
[  448.944856]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.949960]  ? compat_start_thread+0x80/0x80
[  448.954399]  ? pvclock_read_flags+0x160/0x160
[  448.958892]  ? __switch_to_asm+0x34/0x70
[  448.962957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.968500]  ? check_preemption_disabled+0x48/0x280
[  448.973530]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  448.979074]  ? rcu_pm_notify+0xc0/0xc0
[  448.982964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.988507]  ? check_preemption_disabled+0x48/0x280
[  448.993530]  run_timer_softirq+0x52/0xb0
[  448.997592]  ? rcu_read_lock_sched_held+0x14f/0x180
[  449.002614]  __do_softirq+0x308/0xb7e
[  449.006436]  ? trace_hardirqs_on_caller+0xc0/0x310
[  449.011645]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  449.016756]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  449.022215]  ? schedule+0x108/0x460
[  449.025848]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  449.030619]  ? trace_hardirqs_off+0xb8/0x310
[  449.035038]  ? smpboot_thread_fn+0x68b/0xa00
[  449.039448]  ? trace_hardirqs_on+0x310/0x310
[  449.043859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.049406]  ? check_preemption_disabled+0x48/0x280
[  449.054427]  ? takeover_tasklets+0xa90/0xa90
[  449.058872]  run_ksoftirqd+0x5e/0x100
[  449.062682]  smpboot_thread_fn+0x68b/0xa00
[  449.066922]  ? sort_range+0x30/0x30
[  449.070589]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  449.075694]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.081235]  ? __kthread_parkme+0xfb/0x1a0
[  449.085480]  ? sort_range+0x30/0x30
[  449.089112]  kthread+0x35a/0x440
[  449.092482]  ? kthread_stop+0x900/0x900
[  449.096461]  ret_from_fork+0x3a/0x50
[  449.100192] warn_alloc_show_mem: 1 callbacks suppressed
[  449.100204] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  449.100206] Mem-Info:
[  449.100238] active_anon:56065 inactive_anon:190 isolated_anon:0
[  449.100238]  active_file:11 inactive_file:12 isolated_file:0
[  449.100238]  unevictable:0 dirty:0 writeback:0 unstable:0
[  449.100238]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  449.100238]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  449.100238]  free:13773 free_pcp:518 free_cma:0
[  449.105576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  449.105585] Call Trace:
[  449.112608] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  449.115074]  <IRQ>
[  449.147939] 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
[  449.157289]  dump_stack+0x244/0x39d
[  449.159854] lowmem_reserve[]: 0 2818 6321 6321
[  449.187348]  ? dump_stack_print_info.cold.1+0x20/0x20
[  449.189475] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  449.215585]  warn_alloc.cold.116+0xb7/0x1bd
[  449.219179] lowmem_reserve[]: 0 0 3503 3503
[  449.223759]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  449.228945] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  449.256458]  ? lock_downgrade+0x900/0x900
[  449.260753] lowmem_reserve[]: 0 0 0 0
[  449.265075]  ? trace_hardirqs_off+0xb8/0x310
[  449.269892] 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
[  449.298868]  ? trace_hardirqs_off+0xb8/0x310
[  449.302992] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  449.306794]  __alloc_pages_slowpath+0x26e8/0x2e10
[  449.311201] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  449.324759]  ? warn_alloc+0x120/0x120
[  449.329149] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  449.344315]  ? warn_alloc+0x120/0x120
[  449.349143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  449.364049]  ? __lock_acquire+0x62f/0x4c20
[  449.367825] 266 total pagecache pages
[  449.376656]  ? warn_alloc+0x120/0x120
[  449.380440] 0 pages in swap cache
[  449.389023]  ? print_usage_bug+0xc0/0xc0
[  449.393242] Swap cache stats: add 0, delete 0, find 0/0
[  449.397076]  ? print_usage_bug+0xc0/0xc0
[  449.400870] Free swap  = 0kB
[  449.404320]  ? mark_held_locks+0x130/0x130
[  449.408356] Total swap = 0kB
[  449.413715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.417750] 1965979 pages RAM
[  449.420763]  ? should_fail+0x22d/0xd01
[  449.424976] 0 pages HighMem/MovableOnly
[  449.427987]  ? zap_class+0x640/0x640
[  449.433496] 342854 pages reserved
[  449.436593]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  449.440455] 0 pages cma reserved
[  449.444421]  ? __lock_acquire+0x62f/0x4c20
[  449.448176] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  449.451554]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  449.456729] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  449.460006]  ? should_fail+0x22d/0xd01
[  449.464219] ksoftirqd/1 cpuset=/ mems_allowed=0
[  449.470710]  ? mark_held_locks+0x130/0x130
[  449.498833]  ? mark_held_locks+0x130/0x130
[  449.503070]  ? lock_downgrade+0x900/0x900
[  449.507241]  ? zap_class+0x640/0x640
[  449.510957]  ? zap_class+0x640/0x640
[  449.514699]  ? zap_class+0x640/0x640
[  449.518467]  ? do_raw_spin_unlock+0xa7/0x330
[  449.522888]  ? trace_hardirqs_on+0x310/0x310
[  449.527308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.532851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.538392]  ? check_preemption_disabled+0x48/0x280
[  449.543424]  ? __lock_is_held+0xb5/0x140
[  449.547498]  __alloc_pages_nodemask+0xa80/0xde0
[  449.552173]  ? zap_class+0x640/0x640
[  449.555898]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  449.560970]  ? find_held_lock+0x36/0x1c0
[  449.565044]  ? ____cache_alloc_node+0x1c7/0x1e0
[  449.569716]  ? lock_downgrade+0x900/0x900
[  449.573878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.579427]  cache_grow_begin+0xa5/0x8c0
[  449.583489]  ? do_raw_spin_unlock+0xa7/0x330
[  449.587914]  fallback_alloc+0x204/0x2e0
[  449.591902]  ____cache_alloc_node+0x1c7/0x1e0
[  449.596408]  kmem_cache_alloc_node+0xe3/0x730
[  449.600921]  ? lockdep_hardirqs_on+0x296/0x5b0
[  449.605520]  __alloc_skb+0x119/0x770
[  449.609236]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  449.614610]  ? netdev_alloc_frag+0x1f0/0x1f0
[  449.619035]  ? vprintk_default+0x28/0x30
[  449.623103]  ? vprintk_func+0x85/0x181
[  449.626995]  ? printk+0xa7/0xcf
[  449.630279]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  449.635043]  ? do_raw_spin_trylock+0x270/0x270
[  449.639638]  new_skb+0x26/0x1c0
[  449.642925]  aoecmd_cfg+0x279/0x7f0
[  449.646559]  ? find_held_lock+0x36/0x1c0
[  449.650629]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  449.654982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.660537]  ? __lock_is_held+0xb5/0x140
[  449.664616]  discover_timer+0x50/0x60
[  449.668442]  call_timer_fn+0x272/0x920
[  449.672333]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  449.677177]  ? process_timeout+0x40/0x40
[  449.681267]  ? mark_held_locks+0xc7/0x130
[  449.685422]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.689924]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.694419]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  449.699264]  ? lockdep_hardirqs_on+0x296/0x5b0
[  449.703851]  ? trace_hardirqs_on+0xbd/0x310
[  449.708181]  ? kasan_check_read+0x11/0x20
[  449.712329]  ? __run_timers+0x7da/0xc70
[  449.716305]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.721426]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  449.726270]  __run_timers+0x7e5/0xc70
[  449.730087]  ? timer_fixup_init+0x70/0x70
[  449.734242]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  449.739263]  ? zap_class+0x640/0x640
[  449.742987]  ? print_usage_bug+0xc0/0xc0
[  449.747051]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  449.752256]  ? find_held_lock+0x36/0x1c0
[  449.756326]  ? zap_class+0x640/0x640
[  449.760047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.765594]  ? check_preemption_disabled+0x48/0x280
[  449.770623]  ? __lock_is_held+0xb5/0x140
[  449.774704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.780274]  ? check_preemption_disabled+0x48/0x280
[  449.785298]  run_timer_softirq+0x52/0xb0
[  449.789361]  ? rcu_read_lock_sched_held+0x14f/0x180
[  449.794381]  __do_softirq+0x308/0xb7e
[  449.798191]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  449.802687]  ? lock_downgrade+0x900/0x900
[  449.806841]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  449.811960]  ? pvclock_read_flags+0x160/0x160
[  449.816458]  ? lapic_next_event+0x5a/0x90
[  449.820611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.826164]  ? kvm_clock_read+0x18/0x30
[  449.830144]  ? kvm_sched_clock_read+0x9/0x20
[  449.834556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.840100]  ? check_preemption_disabled+0x48/0x280
[  449.845150]  irq_exit+0x17f/0x1c0
[  449.848607]  smp_apic_timer_interrupt+0x1cb/0x760
[  449.853458]  ? smp_reschedule_interrupt+0x109/0x650
[  449.858484]  ? smp_call_function_single_interrupt+0x650/0x650
[  449.864367]  ? interrupt_entry+0xb5/0xc0
[  449.868432]  ? trace_hardirqs_off_caller+0xbb/0x310
[  449.873450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  449.878472]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.883321]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.888336]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.893355]  ? task_prio+0x50/0x50
[  449.896908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.902448]  ? check_preemption_disabled+0x48/0x280
[  449.907493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.912348]  apic_timer_interrupt+0xf/0x20
[  449.916592]  </IRQ>
[  449.918831] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  449.924055] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  449.942952] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  449.950666] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  449.957932] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  449.965199] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  449.972466] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  449.979734] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  449.987040]  retint_kernel+0x1b/0x2d
[  449.990761] RIP: 0010:dump_stack+0x358/0x39d
[  449.995168] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  450.014066] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  450.021775] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  450.029041] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  450.036315] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  450.043587] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  450.050855] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  450.058142]  ? dump_stack+0x34f/0x39d
[  450.061961]  ? dump_stack_print_info.cold.1+0x20/0x20
[  450.067161]  ? mark_held_locks+0x130/0x130
[  450.071401]  ? mark_held_locks+0x130/0x130
[  450.075651]  dump_header+0x27b/0xf72
[  450.079384]  ? pagefault_out_of_memory+0x197/0x197
[  450.084324]  ? __lock_acquire+0x62f/0x4c20
[  450.088581]  ? percpu_ref_get_many+0x240/0x240
[  450.093167]  ? print_usage_bug+0xc0/0xc0
[  450.097237]  ? zap_class+0x640/0x640
[  450.100983]  ? print_usage_bug+0xc0/0xc0
[  450.105042]  ? print_usage_bug+0xc0/0xc0
[  450.109106]  ? zap_class+0x640/0x640
[  450.112826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.118374]  ? find_held_lock+0x36/0x1c0
[  450.122450]  ? mark_held_locks+0xc7/0x130
[  450.126604]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  450.131719]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  450.136824]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  450.141413]  ? trace_hardirqs_on+0xbd/0x310
[  450.145740]  ? kasan_check_read+0x11/0x20
[  450.149907]  ? ___ratelimit+0x3b4/0x672
[  450.153884]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.159000]  ? trace_hardirqs_on+0x310/0x310
[  450.163429]  ? lock_downgrade+0x900/0x900
[  450.167588]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  450.172705]  ? ___ratelimit+0x3b9/0x672
[  450.176690]  ? idr_get_free+0xf70/0xf70
[  450.180671]  ? find_held_lock+0x36/0x1c0
[  450.184748]  oom_kill_process.cold.27+0x10/0x903
[  450.189505]  ? zap_class+0x640/0x640
[  450.193237]  ? check_preemption_disabled+0x48/0x280
[  450.198262]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  450.203220]  ? kasan_check_read+0x11/0x20
[  450.207368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.212658]  ? oom_evaluate_task+0x540/0x540
[  450.217076]  ? find_held_lock+0x36/0x1c0
[  450.221150]  ? out_of_memory+0x974/0x1430
[  450.225302]  ? lock_downgrade+0x900/0x900
[  450.229450]  ? check_preemption_disabled+0x48/0x280
[  450.234476]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  450.239404]  ? kasan_check_read+0x11/0x20
[  450.243558]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.248838]  ? rcu_softirq_qs+0x20/0x20
[  450.252823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.258364]  ? oom_evaluate_task+0x302/0x540
[  450.262778]  out_of_memory+0xa84/0x1430
[  450.266769]  ? oom_killer_disable+0x3a0/0x3a0
[  450.271274]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  450.276215]  ? __ww_mutex_check_waiters+0x160/0x160
[  450.281255]  __alloc_pages_slowpath+0x2354/0x2e10
[  450.286132]  ? warn_alloc+0x120/0x120
[  450.289938]  ? mark_held_locks+0x130/0x130
[  450.294185]  ? find_get_entry+0xaae/0x1120
[  450.298431]  ? filemap_map_pages+0x1a20/0x1a20
[  450.303025]  ? zap_class+0x640/0x640
[  450.306760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.312301]  ? check_preemption_disabled+0x48/0x280
[  450.317374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.322930]  ? should_fail+0x22d/0xd01
[  450.326827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.331932]  ? zap_class+0x640/0x640
[  450.335683]  ? __lock_is_held+0xb5/0x140
[  450.339758]  ? mark_held_locks+0x130/0x130
[  450.344001]  ? lock_release+0xa00/0xa00
[  450.347979]  ? perf_trace_sched_process_exec+0x860/0x860
[  450.353434]  ? xa_load+0x2ba/0x460
[  450.356992]  ? lock_downgrade+0x900/0x900
[  450.361150]  ? __might_sleep+0x95/0x190
[  450.365136]  __alloc_pages_nodemask+0xa80/0xde0
[  450.369818]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  450.374842]  ? __page_cache_alloc+0x191/0x5c0
[  450.379339]  ? xa_load+0x2e1/0x460
[  450.382885]  ? xa_clear_mark+0x40/0x40
[  450.386785]  ? zap_class+0x640/0x640
[  450.390535]  ? zap_class+0x640/0x640
[  450.394253]  ? zap_class+0x640/0x640
[  450.397969]  ? __do_page_cache_readahead+0x663/0x810
[  450.403083]  ? find_held_lock+0x36/0x1c0
[  450.407151]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  450.412700]  alloc_pages_current+0x173/0x350
[  450.417116]  __page_cache_alloc+0x38c/0x5c0
[  450.421475]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  450.426420]  ? kasan_check_read+0x11/0x20
[  450.430569]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.435849]  ? generic_perform_write+0x6a0/0x6a0
[  450.440609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.446158]  ? check_preemption_disabled+0x48/0x280
[  450.451183]  filemap_fault+0x1595/0x25f0
[  450.455261]  ? __lock_page_or_retry+0xa00/0xa00
[  450.459940]  ? mark_held_locks+0x130/0x130
[  450.464188]  ? filemap_map_pages+0xd6b/0x1a20
[  450.468691]  ? lock_downgrade+0x900/0x900
[  450.472842]  ? check_preemption_disabled+0x48/0x280
[  450.477862]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  450.482799]  ? kasan_check_read+0x11/0x20
[  450.486959]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.492269]  ? rcu_softirq_qs+0x20/0x20
[  450.496259]  ? filemap_map_pages+0xd92/0x1a20
[  450.500759]  ? __lock_acquire+0x62f/0x4c20
[  450.505008]  ? find_get_entries_tag+0x1400/0x1400
[  450.509874]  ? lock_acquire+0x1ed/0x520
[  450.513857]  ? ext4_filemap_fault+0x7a/0xad
[  450.518202]  ? lock_release+0xa00/0xa00
[  450.522195]  ? perf_trace_sched_process_exec+0x860/0x860
[  450.527659]  ? print_usage_bug+0xc0/0xc0
[  450.531724]  ? print_usage_bug+0xc0/0xc0
[  450.535799]  ? down_read+0x8d/0x120
[  450.539434]  ? ext4_filemap_fault+0x7a/0xad
[  450.543761]  ? __down_interruptible+0x700/0x700
[  450.548448]  ext4_filemap_fault+0x82/0xad
[  450.552835]  __do_fault+0x100/0x6b0
[  450.556474]  ? pmd_devmap_trans_unstable+0x220/0x220
[  450.561586]  ? mark_held_locks+0x130/0x130
[  450.565823]  ? mark_held_locks+0x130/0x130
[  450.570060]  ? __might_fault+0x12b/0x1e0
[  450.574126]  ? lock_downgrade+0x900/0x900
[  450.578281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.583829]  __handle_mm_fault+0x3ea0/0x5be0
[  450.588254]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  450.593102]  ? kasan_check_read+0x11/0x20
[  450.597254]  ? _copy_to_user+0xc8/0x110
[  450.601283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.606838]  ? zap_class+0x640/0x640
[  450.610553]  ? zap_class+0x640/0x640
[  450.614276]  ? find_held_lock+0x36/0x1c0
[  450.618391]  ? handle_mm_fault+0x42a/0xc70
[  450.622666]  ? lock_downgrade+0x900/0x900
[  450.626820]  ? check_preemption_disabled+0x48/0x280
[  450.631843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  450.636776]  ? kasan_check_read+0x11/0x20
[  450.640931]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.646214]  ? rcu_softirq_qs+0x20/0x20
[  450.650193]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.655298]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.660841]  ? check_preemption_disabled+0x48/0x280
[  450.665870]  handle_mm_fault+0x54f/0xc70
[  450.669944]  ? __handle_mm_fault+0x5be0/0x5be0
[  450.674577]  ? find_vma+0x34/0x190
[  450.678140]  __do_page_fault+0x5e8/0xe60
[  450.682387]  ? trace_hardirqs_off+0xb8/0x310
[  450.686811]  do_page_fault+0xf2/0x7e0
[  450.690614]  ? vmalloc_sync_all+0x30/0x30
[  450.694771]  ? error_entry+0x70/0xd0
[  450.698503]  ? trace_hardirqs_off_caller+0xbb/0x310
[  450.703518]  ? trace_hardirqs_on_caller+0xc0/0x310
[  450.708451]  ? syscall_return_slowpath+0x5e0/0x5e0
[  450.713385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.718248]  ? trace_hardirqs_on_caller+0x310/0x310
[  450.723266]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  450.728722]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  450.733747]  ? prepare_exit_to_usermode+0x291/0x3b0
[  450.738772]  ? page_fault+0x8/0x30
[  450.742318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.747167]  ? page_fault+0x8/0x30
[  450.750714]  page_fault+0x1e/0x30
[  450.754168] RIP: 0033:0x4375fe
[  450.757373] Code: Bad RIP value.
[  450.760745] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  450.766123] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  450.773389] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  450.780666] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  450.787939] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  450.795205] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  450.802503] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  450.802565] aoe: skb alloc failure
[  450.809437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  450.809443] Call Trace:
[  450.809464]  dump_stack+0x244/0x39d
[  450.809483]  ? dump_stack_print_info.cold.1+0x20/0x20
[  450.813074] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  450.822372]  warn_alloc.cold.116+0xb7/0x1bd
[  450.824931] syz-fuzzer cpuset=/ mems_allowed=0
[  450.828552]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  450.857646]  ? lock_downgrade+0x900/0x900
[  450.861810]  ? trace_hardirqs_off+0xb8/0x310
[  450.866233]  ? trace_hardirqs_off+0xb8/0x310
[  450.870661]  __alloc_pages_slowpath+0x26e8/0x2e10
[  450.875538]  ? warn_alloc+0x120/0x120
[  450.879344]  ? print_usage_bug+0xc0/0xc0
[  450.883417]  ? warn_alloc+0x120/0x120
[  450.887226]  ? warn_alloc+0x120/0x120
[  450.891049]  ? print_usage_bug+0xc0/0xc0
[  450.895132]  ? print_usage_bug+0xc0/0xc0
[  450.899197]  ? __lock_acquire+0x62f/0x4c20
[  450.903442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.908988]  ? should_fail+0x22d/0xd01
[  450.912888]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.917993]  ? __lock_acquire+0x62f/0x4c20
[  450.922234]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.927338]  ? __lock_acquire+0x62f/0x4c20
[  450.931574]  ? should_fail+0x22d/0xd01
[  450.935461]  ? find_held_lock+0x36/0x1c0
[  450.939538]  ? mark_held_locks+0x130/0x130
[  450.943804]  ? mark_held_locks+0x130/0x130
[  450.948041]  ? zap_class+0x640/0x640
[  450.951763]  ? mark_held_locks+0xc7/0x130
[  450.955915]  ? do_raw_spin_unlock+0xa7/0x330
[  450.960327]  ? zap_class+0x640/0x640
[  450.964042]  ? print_usage_bug+0xc0/0xc0
[  450.968110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.973673]  ? check_preemption_disabled+0x48/0x280
[  450.978703]  ? __lock_is_held+0xb5/0x140
[  450.982773]  __alloc_pages_nodemask+0xa80/0xde0
[  450.987448]  ? zap_class+0x640/0x640
[  450.991172]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  450.996205]  ? find_held_lock+0x36/0x1c0
[  451.000280]  ? ____cache_alloc_node+0x1c7/0x1e0
[  451.004964]  ? lock_downgrade+0x900/0x900
[  451.009152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.014699]  cache_grow_begin+0xa5/0x8c0
[  451.018761]  ? do_raw_spin_unlock+0xa7/0x330
[  451.023199]  fallback_alloc+0x204/0x2e0
[  451.027184]  ____cache_alloc_node+0x1c7/0x1e0
[  451.031690]  kmem_cache_alloc_node+0xe3/0x730
[  451.036193]  ? ipv6_get_ifaddr+0x42e/0x620
[  451.040440]  __alloc_skb+0x119/0x770
[  451.044153]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  451.049437]  ? netdev_alloc_frag+0x1f0/0x1f0
[  451.053848]  ? lock_downgrade+0x900/0x900
[  451.058008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.063549]  ? refcount_sub_and_test_checked+0x203/0x310
[  451.069006]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  451.074458]  ? addrconf_rs_timer+0x690/0x690
[  451.078880]  ndisc_alloc_skb+0x144/0x340
[  451.082949]  ndisc_send_rs+0x331/0x6e0
[  451.086846]  addrconf_rs_timer+0x314/0x690
[  451.091094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.095782]  call_timer_fn+0x272/0x920
[  451.099671]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.103913]  ? process_timeout+0x40/0x40
[  451.108009]  ? __run_timers+0x7da/0xc70
[  451.111990]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.116499]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.120998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.125239]  ? lockdep_hardirqs_on+0x296/0x5b0
[  451.129829]  ? trace_hardirqs_on+0xbd/0x310
[  451.134151]  ? kasan_check_read+0x11/0x20
[  451.138300]  ? __run_timers+0x7da/0xc70
[  451.142278]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.147397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.151647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  451.155887]  __run_timers+0x7e5/0xc70
[  451.159720]  ? timer_fixup_init+0x70/0x70
[  451.163869]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.168366]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.172866]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  451.177453]  ? trace_hardirqs_on+0xbd/0x310
[  451.181790]  ? kasan_check_read+0x11/0x20
[  451.185941]  ? finish_task_switch+0x1f4/0x910
[  451.190441]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.195563]  ? compat_start_thread+0x80/0x80
[  451.200082]  ? pvclock_read_flags+0x160/0x160
[  451.204578]  ? __switch_to_asm+0x34/0x70
[  451.208654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.214199]  ? check_preemption_disabled+0x48/0x280
[  451.219230]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  451.224774]  ? rcu_pm_notify+0xc0/0xc0
[  451.228674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.234218]  ? check_preemption_disabled+0x48/0x280
[  451.239243]  run_timer_softirq+0x52/0xb0
[  451.243308]  ? rcu_read_lock_sched_held+0x14f/0x180
[  451.248326]  __do_softirq+0x308/0xb7e
[  451.252133]  ? trace_hardirqs_on_caller+0xc0/0x310
[  451.257069]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  451.262180]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  451.267651]  ? schedule+0x108/0x460
[  451.271282]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  451.276049]  ? trace_hardirqs_off+0xb8/0x310
[  451.280459]  ? smpboot_thread_fn+0x68b/0xa00
[  451.284872]  ? trace_hardirqs_on+0x310/0x310
[  451.289287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.294829]  ? check_preemption_disabled+0x48/0x280
[  451.299850]  ? takeover_tasklets+0xa90/0xa90
[  451.304261]  run_ksoftirqd+0x5e/0x100
[  451.308069]  smpboot_thread_fn+0x68b/0xa00
[  451.312313]  ? sort_range+0x30/0x30
[  451.315974]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  451.321096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.326645]  ? __kthread_parkme+0xfb/0x1a0
[  451.330889]  ? sort_range+0x30/0x30
[  451.334517]  kthread+0x35a/0x440
[  451.337888]  ? kthread_stop+0x900/0x900
[  451.341872]  ret_from_fork+0x3a/0x50
[  451.345613] CPU: 0 PID: 6005 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  451.345618] warn_alloc_show_mem: 1 callbacks suppressed
[  451.345625] Mem-Info:
[  451.352651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  451.358026] active_anon:56065 inactive_anon:190 isolated_anon:0
[  451.358026]  active_file:11 inactive_file:12 isolated_file:0
[  451.358026]  unevictable:0 dirty:0 writeback:0 unstable:0
[  451.358026]  slab_reclaimable:9259 slab_unreclaimable:1454223
[  451.358026]  mapped:32770 shmem:243 pagetables:556 bounce:0
[  451.358026]  free:13773 free_pcp:518 free_cma:0
[  451.360396] Call Trace:
[  451.360406]  <IRQ>
[  451.369800] Node 0 active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131080kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 210944kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  451.402659]  dump_stack+0x244/0x39d
[  451.405222] 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
[  451.407371]  ? dump_stack_print_info.cold.1+0x20/0x20
[  451.434848] lowmem_reserve[]: 0 2818 6321 6321
[  451.438501]  warn_alloc.cold.116+0xb7/0x1bd
[  451.464564] Node 0 DMA32 free:25192kB min:30052kB low:37564kB high:45076kB active_anon:0kB 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:304kB local_pcp:248kB free_cma:0kB
[  451.469757]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  451.474308] lowmem_reserve[]: 0 0 3503 3503
[  451.478638]  ? lock_downgrade+0x900/0x900
[  451.506111] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:224260kB inactive_anon:760kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6816kB pagetables:2224kB bounce:0kB free_pcp:1768kB local_pcp:268kB free_cma:0kB
[  451.510959]  ? trace_hardirqs_off+0xb8/0x310
[  451.515248] lowmem_reserve[]: 0 0 0 0
[  451.519406]  ? trace_hardirqs_off+0xb8/0x310
[  451.548352] 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
[  451.552764]  __alloc_pages_slowpath+0x26e8/0x2e10
[  451.556539] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25192kB
[  451.560965]  ? warn_alloc+0x120/0x120
[  451.574440] Node 0 Normal: 898*4kB (MEH) 417*8kB (UMEH) 178*16kB (MEH) 72*32kB (UMEH) 26*64kB (UMH) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14000kB
[  451.579279]  ? warn_alloc+0x120/0x120
[  451.594432] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  451.598238]  ? warn_alloc+0x120/0x120
[  451.613139] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  451.616934]  ? print_usage_bug+0xc0/0xc0
[  451.625747] 266 total pagecache pages
[  451.629542]  ? print_usage_bug+0xc0/0xc0
[  451.638104] 0 pages in swap cache
[  451.642153]  ? ktime_get+0x2c1/0x400
[  451.645951] Swap cache stats: add 0, delete 0, find 0/0
[  451.650005]  ? check_preemption_disabled+0x48/0x280
[  451.653433] Free swap  = 0kB
[  451.657141]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  451.662478] Total swap = 0kB
[  451.667488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.670481] 1965979 pages RAM
[  451.674981]  ? should_fail+0x22d/0xd01
[  451.677979] 0 pages HighMem/MovableOnly
[  451.683509]  ? kasan_check_read+0x11/0x20
[  451.686587] 342854 pages reserved
[  451.686595] 0 pages cma reserved
[  451.690478]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.694496] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  451.698568]  ? __lock_acquire+0x62f/0x4c20
[  451.702075] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  451.705363]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.710443] ksoftirqd/1 cpuset=/ mems_allowed=0
[  451.716929]  ? should_fail+0x22d/0xd01
[  451.745066]  ? print_usage_bug+0xc0/0xc0
[  451.749141]  ? mark_held_locks+0x130/0x130
[  451.753386]  ? mark_held_locks+0x130/0x130
[  451.757627]  ? check_preemption_disabled+0x48/0x280
[  451.762673]  ? zap_class+0x640/0x640
[  451.766394]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  451.771159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.776729]  ? check_preemption_disabled+0x48/0x280
[  451.781765]  ? __lock_is_held+0xb5/0x140
[  451.785840]  __alloc_pages_nodemask+0xa80/0xde0
[  451.790540]  ? zap_class+0x640/0x640
[  451.794290]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  451.799320]  ? find_held_lock+0x36/0x1c0
[  451.803393]  ? ____cache_alloc_node+0x1c7/0x1e0
[  451.808067]  ? lock_downgrade+0x900/0x900
[  451.812224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.817768]  cache_grow_begin+0xa5/0x8c0
[  451.821834]  ? do_raw_spin_unlock+0xa7/0x330
[  451.826256]  fallback_alloc+0x204/0x2e0
[  451.830239]  ____cache_alloc_node+0x1c7/0x1e0
[  451.834742]  kmem_cache_alloc_node+0xe3/0x730
[  451.839244]  ? lockdep_hardirqs_on+0x296/0x5b0
[  451.843839]  __alloc_skb+0x119/0x770
[  451.847556]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  451.852929]  ? netdev_alloc_frag+0x1f0/0x1f0
[  451.857347]  ? vprintk_default+0x28/0x30
[  451.861412]  ? vprintk_func+0x85/0x181
[  451.865304]  ? printk+0xa7/0xcf
[  451.868585]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  451.873350]  ? do_raw_spin_trylock+0x270/0x270
[  451.877937]  new_skb+0x26/0x1c0
[  451.881223]  aoecmd_cfg+0x279/0x7f0
[  451.884857]  ? find_held_lock+0x36/0x1c0
[  451.888925]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  451.893259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.898810]  ? __lock_is_held+0xb5/0x140
[  451.902885]  discover_timer+0x50/0x60
[  451.906692]  call_timer_fn+0x272/0x920
[  451.910592]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  451.915439]  ? process_timeout+0x40/0x40
[  451.919515]  ? mark_held_locks+0xc7/0x130
[  451.923674]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.928170]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.932667]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  451.937513]  ? lockdep_hardirqs_on+0x296/0x5b0
[  451.942105]  ? trace_hardirqs_on+0xbd/0x310
[  451.946430]  ? kasan_check_read+0x11/0x20
[  451.950582]  ? __run_timers+0x7da/0xc70
[  451.954573]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.959694]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  451.964548]  __run_timers+0x7e5/0xc70
[  451.968360]  ? timer_fixup_init+0x70/0x70
[  451.972515]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  451.977535]  ? zap_class+0x640/0x640
[  451.981255]  ? print_usage_bug+0xc0/0xc0
[  451.985323]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  451.990522]  ? find_held_lock+0x36/0x1c0
[  451.994589]  ? zap_class+0x640/0x640
[  451.998310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.003855]  ? check_preemption_disabled+0x48/0x280
[  452.008889]  ? __lock_is_held+0xb5/0x140
[  452.012959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.018498]  ? check_preemption_disabled+0x48/0x280
[  452.023526]  run_timer_softirq+0x52/0xb0
[  452.027594]  ? rcu_read_lock_sched_held+0x14f/0x180
[  452.032641]  __do_softirq+0x308/0xb7e
[  452.036453]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  452.040975]  ? lock_downgrade+0x900/0x900
[  452.045129]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  452.050243]  ? pvclock_read_flags+0x160/0x160
[  452.054747]  ? lapic_next_event+0x5a/0x90
[  452.058907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.064453]  ? kvm_clock_read+0x18/0x30
[  452.068432]  ? kvm_sched_clock_read+0x9/0x20
[  452.072843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.078387]  ? check_preemption_disabled+0x48/0x280
[  452.083417]  irq_exit+0x17f/0x1c0
[  452.086914]  smp_apic_timer_interrupt+0x1cb/0x760
[  452.091760]  ? smp_reschedule_interrupt+0x109/0x650
[  452.096782]  ? smp_call_function_single_interrupt+0x650/0x650
[  452.102668]  ? interrupt_entry+0xb5/0xc0
[  452.106733]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.111751]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.116771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.121616]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.126651]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.131673]  ? task_prio+0x50/0x50
[  452.135217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.140758]  ? check_preemption_disabled+0x48/0x280
[  452.145782]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.150646]  apic_timer_interrupt+0xf/0x20
[  452.154879]  </IRQ>
[  452.157122] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  452.162319] Code: 00 e8 65 74 87 f9 e8 90 59 b7 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d aa a2 83 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 80 a2
[  452.181216] RSP: 0000:ffff8801c2b7e100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  452.188923] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff10038511d6e
[  452.196190] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c288eafc
[  452.203461] RBP: ffff8801c2b7e128 R08: ffff8801c288eb70 R09: 0000000000000006
[  452.210730] R10: 0000000000000000 R11: ffff8801c288e280 R12: dffffc0000000000
[  452.217998] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  452.225303]  retint_kernel+0x1b/0x2d
[  452.229024] RIP: 0010:dump_stack+0x358/0x39d
[  452.233433] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 01 55 fb f9 48 83 3d 19 78 8a 01 00 0f 84 63 fe ff ff e8 0e 07 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 fb 06 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  452.252331] RSP: 0000:ffff8801c2b7e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  452.260039] RAX: ffff8801c288e280 RBX: 1ffffffff12a3f76 RCX: 1ffff10038511d6e
[  452.267310] RDX: 0000000000000000 RSI: ffffffff87c783a2 RDI: 0000000000000293
[  452.274578] RBP: ffff8801c2b7e290 R08: ffff8801c288eb70 R09: 0000000000000006
[  452.281850] R10: 0000000000000000 R11: ffff8801c288e280 R12: 1ffff1003856fc45
[  452.289120] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  452.296404]  ? dump_stack+0x34f/0x39d
[  452.300218]  ? dump_stack_print_info.cold.1+0x20/0x20
[  452.305416]  ? mark_held_locks+0x130/0x130
[  452.309659]  ? mark_held_locks+0x130/0x130
[  452.313908]  dump_header+0x27b/0xf72
[  452.317645]  ? pagefault_out_of_memory+0x197/0x197
[  452.322584]  ? __lock_acquire+0x62f/0x4c20
[  452.326833]  ? percpu_ref_get_many+0x240/0x240
[  452.331419]  ? print_usage_bug+0xc0/0xc0
[  452.335490]  ? zap_class+0x640/0x640
[  452.339208]  ? print_usage_bug+0xc0/0xc0
[  452.343272]  ? print_usage_bug+0xc0/0xc0
[  452.347340]  ? zap_class+0x640/0x640
[  452.351063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.356608]  ? find_held_lock+0x36/0x1c0
[  452.360688]  ? mark_held_locks+0xc7/0x130
[  452.364840]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  452.369946]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  452.375052]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  452.379647]  ? trace_hardirqs_on+0xbd/0x310
[  452.383971]  ? kasan_check_read+0x11/0x20
[  452.388121]  ? ___ratelimit+0x3b4/0x672
[  452.392098]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.397205]  ? trace_hardirqs_on+0x310/0x310
[  452.401616]  ? lock_downgrade+0x900/0x900
[  452.405782]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  452.410888]  ? ___ratelimit+0x3b9/0x672
[  452.414876]  ? idr_get_free+0xf70/0xf70
[  452.418855]  ? find_held_lock+0x36/0x1c0
[  452.422932]  oom_kill_process.cold.27+0x10/0x903
[  452.427691]  ? zap_class+0x640/0x640
[  452.431410]  ? check_preemption_disabled+0x48/0x280
[  452.436430]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.441359]  ? kasan_check_read+0x11/0x20
[  452.445521]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.450828]  ? oom_evaluate_task+0x540/0x540
[  452.455248]  ? find_held_lock+0x36/0x1c0
[  452.459325]  ? out_of_memory+0x974/0x1430
[  452.463480]  ? lock_downgrade+0x900/0x900
[  452.467641]  ? check_preemption_disabled+0x48/0x280
[  452.472669]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.477600]  ? kasan_check_read+0x11/0x20
[  452.481761]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.487045]  ? rcu_softirq_qs+0x20/0x20
[  452.491027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.496562]  ? oom_evaluate_task+0x302/0x540
[  452.500976]  out_of_memory+0xa84/0x1430
[  452.504961]  ? oom_killer_disable+0x3a0/0x3a0
[  452.509462]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  452.514403]  ? __ww_mutex_check_waiters+0x160/0x160
[  452.519467]  __alloc_pages_slowpath+0x2354/0x2e10
[  452.524345]  ? warn_alloc+0x120/0x120
[  452.528150]  ? mark_held_locks+0x130/0x130
[  452.532391]  ? find_get_entry+0xaae/0x1120
[  452.536645]  ? filemap_map_pages+0x1a20/0x1a20
[  452.541240]  ? zap_class+0x640/0x640
[  452.544959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.550751]  ? check_preemption_disabled+0x48/0x280
[  452.555770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.561314]  ? should_fail+0x22d/0xd01
[  452.565212]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  452.570320]  ? zap_class+0x640/0x640
[  452.574063]  ? __lock_is_held+0xb5/0x140
[  452.578136]  ? mark_held_locks+0x130/0x130
[  452.582377]  ? lock_release+0xa00/0xa00
[  452.586358]  ? perf_trace_sched_process_exec+0x860/0x860
[  452.591813]  ? xa_load+0x2ba/0x460
[  452.595358]  ? lock_downgrade+0x900/0x900
[  452.599515]  ? __might_sleep+0x95/0x190
[  452.603497]  __alloc_pages_nodemask+0xa80/0xde0
[  452.608181]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  452.613200]  ? __page_cache_alloc+0x191/0x5c0
[  452.617722]  ? xa_load+0x2e1/0x460
[  452.621270]  ? xa_clear_mark+0x40/0x40
[  452.625160]  ? zap_class+0x640/0x640
[  452.628883]  ? zap_class+0x640/0x640
[  452.632618]  ? zap_class+0x640/0x640
[  452.636378]  ? __do_page_cache_readahead+0x663/0x810
[  452.641532]  ? find_held_lock+0x36/0x1c0
[  452.645613]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  452.651182]  alloc_pages_current+0x173/0x350
[  452.655597]  __page_cache_alloc+0x38c/0x5c0
[  452.659930]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.664863]  ? kasan_check_read+0x11/0x20
[  452.669021]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.674306]  ? generic_perform_write+0x6a0/0x6a0
[  452.679070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.684815]  ? check_preemption_disabled+0x48/0x280
[  452.689843]  filemap_fault+0x1595/0x25f0
[  452.693924]  ? __lock_page_or_retry+0xa00/0xa00
[  452.698598]  ? mark_held_locks+0x130/0x130
[  452.702850]  ? filemap_map_pages+0xd6b/0x1a20
[  452.707348]  ? lock_downgrade+0x900/0x900
[  452.711496]  ? check_preemption_disabled+0x48/0x280
[  452.716530]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.721458]  ? kasan_check_read+0x11/0x20
[  452.725609]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.730901]  ? rcu_softirq_qs+0x20/0x20
[  452.734899]  ? filemap_map_pages+0xd92/0x1a20
[  452.739399]  ? __lock_acquire+0x62f/0x4c20
[  452.743652]  ? find_get_entries_tag+0x1400/0x1400
[  452.748519]  ? lock_acquire+0x1ed/0x520
[  452.752495]  ? ext4_filemap_fault+0x7a/0xad
[  452.756844]  ? lock_release+0xa00/0xa00
[  452.760822]  ? perf_trace_sched_process_exec+0x860/0x860
[  452.766292]  ? print_usage_bug+0xc0/0xc0
[  452.770363]  ? print_usage_bug+0xc0/0xc0
[  452.774452]  ? down_read+0x8d/0x120
[  452.778088]  ? ext4_filemap_fault+0x7a/0xad
[  452.782412]  ? __down_interruptible+0x700/0x700
[  452.787093]  ext4_filemap_fault+0x82/0xad
[  452.791250]  __do_fault+0x100/0x6b0
[  452.794886]  ? pmd_devmap_trans_unstable+0x220/0x220
[  452.800006]  ? mark_held_locks+0x130/0x130
[  452.804244]  ? mark_held_locks+0x130/0x130
[  452.808492]  ? __might_fault+0x12b/0x1e0
[  452.812555]  ? lock_downgrade+0x900/0x900
[  452.816712]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.822257]  __handle_mm_fault+0x3ea0/0x5be0
[  452.826693]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  452.831550]  ? kasan_check_read+0x11/0x20
[  452.835699]  ? _copy_to_user+0xc8/0x110
[  452.839678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.845231]  ? zap_class+0x640/0x640
[  452.848944]  ? zap_class+0x640/0x640
[  452.852671]  ? find_held_lock+0x36/0x1c0
[  452.856748]  ? handle_mm_fault+0x42a/0xc70
[  452.860987]  ? lock_downgrade+0x900/0x900
[  452.865140]  ? check_preemption_disabled+0x48/0x280
[  452.870160]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.875090]  ? kasan_check_read+0x11/0x20
[  452.879238]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.884518]  ? rcu_softirq_qs+0x20/0x20
[  452.888521]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.893630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.899197]  ? check_preemption_disabled+0x48/0x280
[  452.904224]  handle_mm_fault+0x54f/0xc70
[  452.908291]  ? __handle_mm_fault+0x5be0/0x5be0
[  452.912882]  ? find_vma+0x34/0x190
[  452.916437]  __do_page_fault+0x5e8/0xe60
[  452.920501]  ? trace_hardirqs_off+0xb8/0x310
[  452.924926]  do_page_fault+0xf2/0x7e0
[  452.928733]  ? vmalloc_sync_all+0x30/0x30
[  452.932886]  ? error_entry+0x70/0xd0
[  452.936605]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.941669]  ? trace_hardirqs_on_caller+0xc0/0x310
[  452.946600]  ? syscall_return_slowpath+0x5e0/0x5e0
[  452.951543]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.956392]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.961408]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  452.966862]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  452.971887]  ? prepare_exit_to_usermode+0x291/0x3b0
[  452.976917]  ? page_fault+0x8/0x30
[  452.980462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.985308]  ? page_fault+0x8/0x30
[  452.988852]  page_fault+0x1e/0x30
[  452.992303] RIP: 0033:0x4375fe
[  452.995504] Code: Bad RIP value.
[  452.998868] RSP: 002b:000000c420035f38 EFLAGS: 00010293
[  453.004238] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 00000000000000a9
[  453.011517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  453.018785] RBP: 000000c420035fb0 R08: 000000c420035f18 R09: 0000000000000000
[  453.026052] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000430120
[  453.033320] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  453.040615] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc1+ #141
[  453.040686] aoe: skb alloc failure
[  453.047554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  453.047560] Call Trace:
[  453.047581]  dump_stack+0x244/0x39d
[  453.047600]  ? dump_stack_print_info.cold.1+0x20/0x20
[  453.051154] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  453.060485]  warn_alloc.cold.116+0xb7/0x1bd
[  453.063040] syz-fuzzer cpuset=/ mems_allowed=0
[  453.066697]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  453.095797]  ? lock_downgrade+0x900/0x900
[  453.099961]  ? trace_hardirqs_off+0xb8/0x310
[  453.104403]  ? trace_hardirqs_off+0xb8/0x310
[  453.108829]  __alloc_pages_slowpath+0x26e8/0x2e10
[  453.113704]  ? warn_alloc+0x120/0x120
[  453.117513]  ? warn_alloc+0x120/0x120
[  453.121326]  ? warn_alloc+0x120/0x120
[  453.125130]  ? print_usage_bug+0xc0/0xc0
[  453.129191]  ? __alloc_pages_slowpath+0x26e8/0x2e10
[  453.134215]  ? print_usage_bug+0xc0/0xc0
[  453.138279]  ? print_usage_bug+0xc0/0xc0
[  453.142365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.147907]  ? should_fail+0x22d/0xd01
[  453.151799]  ? mark_held_locks+0x130/0x130
[  453.156039]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.161145]  ? __lock_acquire+0x62f/0x4c20
[  453.165387]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.170495]  ? __lock_acquire+0x62f/0x4c20
[  453.174754]  ? should_fail+0x22d/0xd01
[  453.178653]  ? print_usage_bug+0xc0/0xc0
[  453.182728]  ? mark_held_locks+0x130/0x130
[  453.186971]  ? mark_held_locks+0x130/0x130
[  453.191218]  ? zap_class+0x640/0x640
[  453.194934]  ? ret_from_fork+0x3a/0x50
[  453.198823]  ? zap_class+0x640/0x640
[  453.202541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.208082]  ? check_preemption_disabled+0x48/0x280
[  453.213113]  ? __lock_is_held+0xb5/0x140
[  453.217209]  __alloc_pages_nodemask+0xa80/0xde0
[  453.221885]  ? zap_class+0x640/0x640
[  453.225608]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  453.230652]  ? find_held_lock+0x36/0x1c0
[  453.234727]  ? ____cache_alloc_node+0x1c7/0x1e0
[  453.239416]  ? lock_downgrade+0x900/0x900
[  453.243586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.249162]  cache_grow_begin+0xa5/0x8c0
[  453.253229]  ? do_raw_spin_unlock+0xa7/0x330
[  453.257658]  fallback_alloc+0x204/0x2e0
[  453.261682]  ____cache_alloc_node+0x1c7/0x1e0
[  453.266188]  kmem_cache_alloc_node+0xe3/0x730
[  453.270689]  ? mark_held_locks+0xc7/0x130
[  453.274852]  __alloc_skb+0x119/0x770
[  453.278575]  ? netdev_alloc_frag+0x1f0/0x1f0
[  453.282983]  ? do_raw_spin_trylock+0x270/0x270
[  453.287571]  ? kmem_cache_alloc_trace+0x353/0x750
[  453.292422]  ? queue_work_on+0x12c/0x1e0
[  453.296495]  ? switchdev_port_obj_del+0xdc/0x440
[  453.301258]  ? switchdev_trans_item_enqueue+0x260/0x260
[  453.306621]  ? mod_timer+0x631/0x1560
[  453.310442]  ? wake_up_klogd+0x180/0x180
[  453.314535]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  453.319561]  __br_mdb_notify+0x4ff/0x15d0
[  453.323724]  ? __br_mdb_add+0x7f0/0x7f0
[  453.327702]  ? trace_hardirqs_off_caller+0x310/0x310
[  453.332821]  ? zap_class+0x640/0x640
[  453.336547]  ? br_multicast_group_expired+0x96/0x610
[  453.341670]  br_mdb_notify+0x310/0x410
[  453.345571]  ? br_mdb_dump+0x27b0/0x27b0
[  453.349647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.355201]  br_multicast_group_expired+0x1bc/0x610
[  453.360226]  ? br_mdb_free+0x80/0x80
[  453.363952]  call_timer_fn+0x272/0x920
[  453.367841]  ? br_mdb_free+0x80/0x80
[  453.371556]  ? process_timeout+0x40/0x40
[  453.375628]  ? __run_timers+0x7da/0xc70
[  453.379614]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.384117]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.388612]  ? br_mdb_free+0x80/0x80
[  453.392335]  ? lockdep_hardirqs_on+0x296/0x5b0
[  453.396941]  ? trace_hardirqs_on+0xbd/0x310
[  453.401277]  ? kasan_check_read+0x11/0x20
[  453.405439]  ? __run_timers+0x7da/0xc70
[  453.409417]  ? trace_hardirqs_off_caller+0x310/0x310
[  453.414530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  453.418775]  ? br_mdb_free+0x80/0x80
[  453.422501]  __run_timers+0x7e5/0xc70
[  453.426356]  ? timer_fixup_init+0x70/0x70
[  453.430505]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.435005]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.439507]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  453.444094]  ? trace_hardirqs_on+0xbd/0x310
[  453.448421]  ? kasan_check_read+0x11/0x20
[  453.452596]  ? finish_task_switch+0x1f4/0x910
[  453.457119]  ? trace_hardirqs_off_caller+0x310/0x310
[  453.462227]  ? compat_start_thread+0x80/0x80
[  453.466668]  ? pvclock_read_flags+0x160/0x160
[  453.471169]  ? __switch_to_asm+0x34/0x70
[  453.475233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.480777]  ? check_preemption_disabled+0x48/0x280
[  453.485807]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  453.491349]  ? rcu_pm_notify+0xc0/0xc0
[  453.495242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.500781]  ? check_preemption_disabled+0x48/0x280
[  453.505809]  run_timer_softirq+0x52/0xb0