 635.103678]  kmem_cache_alloc_node+0xe3/0x730
[  635.108168]  ? lockdep_hardirqs_on+0x296/0x5b0
[  635.112757]  __alloc_skb+0x119/0x770
[  635.116466]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  635.121826]  ? netdev_alloc_frag+0x1f0/0x1f0
[  635.126234]  ? vprintk_default+0x28/0x30
[  635.130311]  ? vprintk_func+0x85/0x181
[  635.134201]  ? printk+0xa7/0xcf
[  635.137473]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  635.142254]  new_skb+0x26/0x1c0
[  635.145533]  aoecmd_cfg+0x279/0x7f0
[  635.149155]  ? find_held_lock+0x36/0x1c0
[  635.153210]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  635.157530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.163073]  ? __lock_is_held+0xb5/0x140
[  635.167139]  discover_timer+0x50/0x60
[  635.170941]  call_timer_fn+0x272/0x920
[  635.174824]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  635.179665]  ? process_timeout+0x40/0x40
[  635.183727]  ? __run_timers+0x7da/0xc70
[  635.187698]  ? _raw_spin_unlock_irq+0x27/0x80
[  635.192189]  ? _raw_spin_unlock_irq+0x27/0x80
[  635.196677]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  635.201519]  ? lockdep_hardirqs_on+0x296/0x5b0
[  635.206097]  ? trace_hardirqs_on+0xbd/0x310
[  635.210411]  ? kasan_check_read+0x11/0x20
[  635.214549]  ? __run_timers+0x7da/0xc70
[  635.218530]  ? trace_hardirqs_off_caller+0x310/0x310
[  635.223637]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  635.228965]  __run_timers+0x7e5/0xc70
[  635.232772]  ? timer_fixup_init+0x70/0x70
[  635.236919]  ? lock_acquire+0x1ed/0x520
[  635.240891]  ? zap_class+0x640/0x640
[  635.244605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.250150]  ? kasan_check_read+0x11/0x20
[  635.254291]  ? do_raw_spin_lock+0x14f/0x350
[  635.258615]  ? find_held_lock+0x36/0x1c0
[  635.262680]  ? zap_class+0x640/0x640
[  635.266394]  ? pvclock_read_flags+0x160/0x160
[  635.270888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.276421]  ? check_preemption_disabled+0x48/0x280
[  635.281441]  ? __lock_is_held+0xb5/0x140
[  635.285497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.291031]  ? check_preemption_disabled+0x48/0x280
[  635.296047]  run_timer_softirq+0x52/0xb0
[  635.300103]  ? rcu_read_lock_sched_held+0x14f/0x180
[  635.305112]  __do_softirq+0x308/0xb7e
[  635.308910]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  635.313397]  ? lock_downgrade+0x900/0x900
[  635.317540]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  635.322648]  ? pvclock_read_flags+0x160/0x160
[  635.327142]  ? lapic_next_event+0x5a/0x90
[  635.331286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.336820]  ? kvm_clock_read+0x18/0x30
[  635.340790]  ? kvm_sched_clock_read+0x9/0x20
[  635.345198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.350730]  ? check_preemption_disabled+0x48/0x280
[  635.355747]  irq_exit+0x17f/0x1c0
[  635.359198]  smp_apic_timer_interrupt+0x1cb/0x760
[  635.364035]  ? smp_call_function_single_interrupt+0x159/0x650
[  635.369918]  ? smp_call_function_single_interrupt+0x650/0x650
[  635.375795]  ? interrupt_entry+0xb5/0xc0
[  635.379849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  635.384861]  ? trace_hardirqs_off_caller+0xbb/0x310
[  635.389871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.394708]  ? trace_hardirqs_on_caller+0x310/0x310
[  635.399718]  ? trace_hardirqs_on_caller+0x310/0x310
[  635.404727]  ? task_prio+0x50/0x50
[  635.408266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.413798]  ? check_preemption_disabled+0x48/0x280
[  635.418817]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.423661]  apic_timer_interrupt+0xf/0x20
[  635.427882]  </IRQ>
[  635.430118] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  635.435043] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  635.453934] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  635.461632] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  635.468896] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  635.476244] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  635.483505] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  635.490766] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  635.498061]  skb_clone+0x1bb/0x500
[  635.501596]  ? finish_task_switch+0x1b4/0x910
[  635.506088]  ? skb_split+0x11e0/0x11e0
[  635.509971]  ? preempt_notifier_register+0x200/0x200
[  635.515065]  ? __switch_to_asm+0x34/0x70
[  635.519116]  ? __switch_to_asm+0x34/0x70
[  635.523173]  ? __switch_to_asm+0x40/0x70
[  635.527230]  ? __switch_to_asm+0x34/0x70
[  635.531287]  ? __switch_to_asm+0x40/0x70
[  635.535346]  ? __switch_to_asm+0x34/0x70
[  635.539400]  ? __switch_to_asm+0x40/0x70
[  635.543458]  ? __switch_to_asm+0x34/0x70
[  635.547510]  ? __switch_to_asm+0x34/0x70
[  635.551572]  ? __switch_to_asm+0x40/0x70
[  635.555626]  ? __switch_to_asm+0x34/0x70
[  635.559687]  bpf_clone_redirect+0xb9/0x490
[  635.563917]  ? __schedule+0x8d7/0x21d0
[  635.567804]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  635.572815]  ? __sched_text_start+0x8/0x8
[  635.576963]  ? retint_kernel+0x2d/0x2d
[  635.580851]  ? find_held_lock+0x36/0x1c0
[  635.584913]  ? lock_acquire+0x1ed/0x520
[  635.588881]  ? bpf_test_run+0x3ee/0x7a0
[  635.592850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.598385]  ? check_preemption_disabled+0x48/0x280
[  635.603406]  ? kasan_check_read+0x11/0x20
[  635.607557]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.612829]  ? rcu_softirq_qs+0x20/0x20
[  635.616798]  ? preempt_schedule+0x4d/0x60
[  635.621815]  ? ___preempt_schedule+0x16/0x18
[  635.626226]  ? bpf_test_run+0x271/0x7a0
[  635.630217]  ? netlink_diag_dump+0x2a0/0x2a0
[  635.634624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.640155]  ? bpf_test_init.isra.10+0x70/0x100
[  635.644824]  ? bpf_prog_test_run_skb+0x762/0xd60
[  635.649585]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  635.654428]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  635.659962]  ? fput+0x130/0x1a0
[  635.663242]  ? __bpf_prog_get+0x9b/0x290
[  635.667308]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  635.672151]  ? bpf_prog_test_run+0x130/0x1a0
[  635.676562]  ? __x64_sys_bpf+0x3d8/0x520
[  635.680620]  ? bpf_prog_get+0x20/0x20
[  635.684430]  ? do_syscall_64+0x1b9/0x820
[  635.688484]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  635.693845]  ? syscall_return_slowpath+0x5e0/0x5e0
[  635.698768]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.703610]  ? trace_hardirqs_on_caller+0x310/0x310
[  635.708622]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  635.713633]  ? prepare_exit_to_usermode+0x291/0x3b0
[  635.718651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.723494]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  635.728873] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  635.728926] aoe: skb alloc failure
[  635.735882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  635.735887] Call Trace:
[  635.735894]  <IRQ>
[  635.735911]  dump_stack+0x244/0x39d
[  635.735929]  ? dump_stack_print_info.cold.1+0x20/0x20
[  635.739469] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  635.748797]  ? __wake_up+0xe/0x10
[  635.751347] syz-executor0 cpuset=syz0 mems_allowed=0
[  635.753490]  warn_alloc.cold.116+0xb7/0x1bd
[  635.785575]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  635.790424]  ? lock_downgrade+0x900/0x900
[  635.794575]  ? trace_hardirqs_off+0xb8/0x310
[  635.798984]  ? trace_hardirqs_off+0xb8/0x310
[  635.803396]  __alloc_pages_slowpath+0x2651/0x2de0
[  635.808275]  ? warn_alloc+0x120/0x120
[  635.812085]  ? warn_alloc+0x120/0x120
[  635.815887]  ? warn_alloc+0x120/0x120
[  635.819705]  ? print_usage_bug+0xc0/0xc0
[  635.823758]  ? mark_held_locks+0x130/0x130
[  635.827991]  ? kvm_clock_read+0x18/0x30
[  635.831964]  ? print_usage_bug+0xc0/0xc0
[  635.836028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.841560]  ? should_fail+0x22d/0xd01
[  635.845447]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  635.850545]  ? __lock_acquire+0x62f/0x4c20
[  635.854783]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  635.859887]  ? __lock_acquire+0x62f/0x4c20
[  635.864112]  ? should_fail+0x22d/0xd01
[  635.868005]  ? mark_held_locks+0x130/0x130
[  635.872239]  ? mark_held_locks+0x130/0x130
[  635.876477]  ? zap_class+0x640/0x640
[  635.880184]  ? print_usage_bug+0xc0/0xc0
[  635.884238]  ? find_held_lock+0x36/0x1c0
[  635.888300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.893833]  ? check_preemption_disabled+0x48/0x280
[  635.898860]  ? __lock_is_held+0xb5/0x140
[  635.902925]  __alloc_pages_nodemask+0xad8/0xea0
[  635.907588]  ? zap_class+0x640/0x640
[  635.911302]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  635.916324]  ? find_held_lock+0x36/0x1c0
[  635.920390]  ? ____cache_alloc_node+0x1c7/0x1e0
[  635.925053]  ? lock_downgrade+0x900/0x900
[  635.929219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.934782]  cache_grow_begin+0xa5/0x8c0
[  635.938841]  ? do_raw_spin_unlock+0xa7/0x330
[  635.943247]  fallback_alloc+0x204/0x2e0
[  635.947220]  ____cache_alloc_node+0x1c7/0x1e0
[  635.951722]  kmem_cache_alloc_node+0xe3/0x730
[  635.956210]  ? ipv6_get_ifaddr+0x42e/0x620
[  635.960447]  __alloc_skb+0x119/0x770
[  635.964153]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.969436]  ? netdev_alloc_frag+0x1f0/0x1f0
[  635.973842]  ? lock_downgrade+0x900/0x900
[  635.977992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.983533]  ? refcount_sub_and_test_checked+0x203/0x310
[  635.988986]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  635.994431]  ? addrconf_rs_timer+0x690/0x690
[  635.998847]  ndisc_alloc_skb+0x144/0x340
[  636.002904]  ndisc_send_rs+0x331/0x6e0
[  636.006795]  addrconf_rs_timer+0x314/0x690
[  636.011028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.015264]  call_timer_fn+0x272/0x920
[  636.019151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.023376]  ? process_timeout+0x40/0x40
[  636.027451]  ? mark_held_locks+0xc7/0x130
[  636.031606]  ? _raw_spin_unlock_irq+0x27/0x80
[  636.036093]  ? _raw_spin_unlock_irq+0x27/0x80
[  636.040579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.044811]  ? lockdep_hardirqs_on+0x296/0x5b0
[  636.049390]  ? trace_hardirqs_on+0xbd/0x310
[  636.053706]  ? kasan_check_read+0x11/0x20
[  636.058098]  ? __run_timers+0x7da/0xc70
[  636.062070]  ? trace_hardirqs_off_caller+0x310/0x310
[  636.067201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.071438]  __run_timers+0x7e5/0xc70
[  636.075243]  ? timer_fixup_init+0x70/0x70
[  636.079387]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  636.084397]  ? zap_class+0x640/0x640
[  636.088107]  ? print_usage_bug+0xc0/0xc0
[  636.092164]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  636.097353]  ? find_held_lock+0x36/0x1c0
[  636.101413]  ? zap_class+0x640/0x640
[  636.105122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.110655]  ? check_preemption_disabled+0x48/0x280
[  636.115678]  ? __lock_is_held+0xb5/0x140
[  636.119735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.125270]  ? check_preemption_disabled+0x48/0x280
[  636.130301]  run_timer_softirq+0x52/0xb0
[  636.134356]  ? rcu_read_lock_sched_held+0x14f/0x180
[  636.139381]  __do_softirq+0x308/0xb7e
[  636.143176]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  636.147664]  ? lock_downgrade+0x900/0x900
[  636.151812]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  636.156936]  ? pvclock_read_flags+0x160/0x160
[  636.161425]  ? lapic_next_event+0x5a/0x90
[  636.165572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.171192]  ? kvm_clock_read+0x18/0x30
[  636.175244]  ? kvm_sched_clock_read+0x9/0x20
[  636.179646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.185179]  ? check_preemption_disabled+0x48/0x280
[  636.190195]  irq_exit+0x17f/0x1c0
[  636.193643]  smp_apic_timer_interrupt+0x1cb/0x760
[  636.198477]  ? smp_call_function_single_interrupt+0x159/0x650
[  636.204365]  ? smp_call_function_single_interrupt+0x650/0x650
[  636.210246]  ? interrupt_entry+0xb5/0xc0
[  636.214302]  ? trace_hardirqs_off_caller+0xbb/0x310
[  636.219314]  ? trace_hardirqs_off_caller+0xbb/0x310
[  636.224328]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  636.229168]  ? trace_hardirqs_on_caller+0x310/0x310
[  636.234176]  ? trace_hardirqs_on_caller+0x310/0x310
[  636.239187]  ? task_prio+0x50/0x50
[  636.242721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.248261]  ? check_preemption_disabled+0x48/0x280
[  636.253275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  636.258117]  apic_timer_interrupt+0xf/0x20
[  636.262342]  </IRQ>
[  636.264575] RIP: 0010:smp_call_function_single+0x30a/0x660
[  636.270196] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  636.289087] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  636.296994] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  636.304253] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  636.311517] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  636.318778] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  636.326040] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  636.333317]  ? smp_call_function_single+0x351/0x660
[  636.338326]  ? smp_call_function_single+0x300/0x660
[  636.343339]  ? rcu_note_context_switch+0x12ad/0x2150
[  636.348436]  ? retint_kernel+0x2d/0x2d
[  636.352320]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  636.358197]  ? generic_exec_single+0x5f0/0x5f0
[  636.362777]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  636.368653]  ? zap_class+0x640/0x640
[  636.372359]  ? smp_call_function_single+0x302/0x660
[  636.377371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.382906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.388437]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  636.393453]  ? find_next_and_bit+0x183/0x1e0
[  636.397866]  smp_call_function_many+0x911/0xae0
[  636.402530]  ? __lock_acquire+0x62f/0x4c20
[  636.406763]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  636.412643]  ? _raw_spin_unlock_irq+0x27/0x80
[  636.417135]  ? _raw_spin_unlock_irq+0x27/0x80
[  636.421628]  ? smp_call_function_single_async+0x370/0x370
[  636.427160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.432690]  ? check_preemption_disabled+0x48/0x280
[  636.437709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.443241]  ? check_preemption_disabled+0x48/0x280
[  636.448258]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  636.454135]  on_each_cpu_mask+0x41/0x240
[  636.458191]  ? x86_configure_nx+0x110/0x110
[  636.462510]  on_each_cpu_cond_mask+0x171/0x210
[  636.467107]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  636.472984]  ? on_each_cpu_mask+0x240/0x240
[  636.477308]  native_flush_tlb_others+0x2ea/0x690
[  636.482068]  ? initialize_tlbstate_and_flush+0x380/0x380
[  636.487518]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  636.492530]  ? find_next_bit+0x104/0x130
[  636.496587]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  636.502114]  ? find_next_bit+0x104/0x130
[  636.506172]  ? cpumask_next+0x41/0x50
[  636.509964]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  636.514971]  ? cpumask_any_but+0xb1/0xe0
[  636.519028]  flush_tlb_mm_range+0x2fe/0x5d0
[  636.523341]  ? fault_around_bytes_set+0x90/0x90
[  636.528006]  ? native_flush_tlb_others+0x690/0x690
[  636.532928]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  636.538474]  ? alloc_pages_current+0x17b/0x350
[  636.543058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  636.548590]  ? __tlb_remove_page_size+0x187/0x500
[  636.553429]  unmap_page_range+0x1eef/0x2930
[  636.557770]  ? vm_normal_page_pmd+0x510/0x510
[  636.562266]  ? mark_held_locks+0x130/0x130
[  636.566531]  ? finish_task_switch+0x1f4/0x910
[  636.571035]  ? finish_task_switch+0x1b4/0x910
[  636.575529]  ? __switch_to_asm+0x34/0x70
[  636.579596]  ? zap_class+0x640/0x640
[  636.583305]  ? prepare_to_wait_event+0x39f/0xa10
[  636.588052]  ? tlb_table_flush+0xb4/0x5c0
[  636.592191]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  636.597288]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  636.602390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.607923]  ? tlb_flush_mmu_free+0x105/0x170
[  636.612426]  ? tlb_flush_mmu+0x58/0x520
[  636.616408]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  636.620903]  ? kasan_check_write+0x14/0x20
[  636.625135]  ? tlb_finish_mmu+0x166/0x1f0
[  636.629281]  ? tlb_gather_mmu+0x440/0x440
[  636.633425]  ? kasan_check_write+0x14/0x20
[  636.637662]  __oom_reap_task_mm+0xf7/0x410
[  636.641897]  ? process_shares_mm+0x460/0x460
[  636.646320]  oom_reaper+0x2b7/0x11e0
[  636.650033]  ? __oom_reap_task_mm+0x410/0x410
[  636.654524]  ? lock_pin_lock+0x350/0x350
[  636.658583]  ? finish_wait+0x430/0x430
[  636.662477]  ? __schedule+0x168a/0x21d0
[  636.666451]  ? __switch_to_asm+0x40/0x70
[  636.670511]  ? __switch_to_asm+0x40/0x70
[  636.674573]  ? zap_class+0x640/0x640
[  636.678288]  ? __sched_text_start+0x8/0x8
[  636.682447]  ? find_held_lock+0x36/0x1c0
[  636.686508]  ? __kthread_parkme+0xce/0x1a0
[  636.690739]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  636.695832]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  636.700928]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  636.705505]  ? trace_hardirqs_on+0xbd/0x310
[  636.709823]  ? kasan_check_read+0x11/0x20
[  636.713965]  ? __kthread_parkme+0xce/0x1a0
[  636.718195]  ? trace_hardirqs_off_caller+0x310/0x310
[  636.723304]  ? preempt_schedule+0x4d/0x60
[  636.727459]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  636.732561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  636.738097]  ? __kthread_parkme+0xfb/0x1a0
[  636.742329]  ? __oom_reap_task_mm+0x410/0x410
[  636.746818]  kthread+0x35a/0x440
[  636.750179]  ? kthread_stop+0x900/0x900
[  636.754151]  ret_from_fork+0x3a/0x50
[  636.757873] warn_alloc_show_mem: 1 callbacks suppressed
[  636.757883] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  636.757884] Mem-Info:
[  636.757913] active_anon:44214 inactive_anon:199 isolated_anon:0
[  636.757913]  active_file:6 inactive_file:21 isolated_file:0
[  636.757913]  unevictable:0 dirty:0 writeback:0 unstable:0
[  636.757913]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  636.757913]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  636.757913]  free:13686 free_pcp:384 free_cma:0
[  636.763246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  636.770602] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  636.772990] Call Trace:
[  636.805766] 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
[  636.815106]  <IRQ>
[  636.842406] lowmem_reserve[]: 0 2818 6321 6321
[  636.844990]  dump_stack+0x244/0x39d
[  636.871066] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  636.873209]  ? dump_stack_print_info.cold.1+0x20/0x20
[  636.877752] lowmem_reserve[]: 0 0 3503 3503
[  636.881371]  ? __wake_up+0xe/0x10
[  636.908663] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  636.913846]  warn_alloc.cold.116+0xb7/0x1bd
[  636.918128] lowmem_reserve[]: 0 0 0 0
[  636.921579]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  636.950524] 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
[  636.954838]  ? lock_downgrade+0x900/0x900
[  636.958603] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  636.963450]  ? trace_hardirqs_off+0xb8/0x310
[  636.976938] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  636.981091]  ? trace_hardirqs_off+0xb8/0x310
[  636.996241] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  637.000642]  __alloc_pages_slowpath+0x2651/0x2de0
[  637.014221] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  637.018634]  ? warn_alloc+0x120/0x120
[  637.027429] 271 total pagecache pages
[  637.032256]  ? warn_alloc+0x120/0x120
[  637.040808] 0 pages in swap cache
[  637.044592]  ? __lock_acquire+0x62f/0x4c20
[  637.048369] Swap cache stats: add 0, delete 0, find 0/0
[  637.052150]  ? warn_alloc+0x120/0x120
[  637.055576] Free swap  = 0kB
[  637.059800]  ? print_usage_bug+0xc0/0xc0
[  637.065135] Total swap = 0kB
[  637.069123]  ? print_usage_bug+0xc0/0xc0
[  637.072113] 1965979 pages RAM
[  637.076157]  ? mark_held_locks+0x130/0x130
[  637.076181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.079161] 0 pages HighMem/MovableOnly
[  637.079165] 342854 pages reserved
[  637.079172] 0 pages cma reserved
[  637.083215]  ? should_fail+0x22d/0xd01
[  637.083229]  ? zap_class+0x640/0x640
[  637.086363] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  637.090539]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  637.096127] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  637.100011]  ? __lock_acquire+0x62f/0x4c20
[  637.103436] oom_reaper cpuset=/ mems_allowed=0
[  637.106793]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  637.149971]  ? should_fail+0x22d/0xd01
[  637.153862]  ? mark_held_locks+0x130/0x130
[  637.158096]  ? mark_held_locks+0x130/0x130
[  637.162323]  ? lock_downgrade+0x900/0x900
[  637.166475]  ? zap_class+0x640/0x640
[  637.170186]  ? zap_class+0x640/0x640
[  637.173896]  ? zap_class+0x640/0x640
[  637.177603]  ? do_raw_spin_unlock+0xa7/0x330
[  637.182008]  ? trace_hardirqs_on+0x310/0x310
[  637.186415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.191951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.197489]  ? check_preemption_disabled+0x48/0x280
[  637.202510]  ? __lock_is_held+0xb5/0x140
[  637.206580]  __alloc_pages_nodemask+0xad8/0xea0
[  637.211242]  ? zap_class+0x640/0x640
[  637.214955]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  637.219975]  ? find_held_lock+0x36/0x1c0
[  637.224040]  ? ____cache_alloc_node+0x1c7/0x1e0
[  637.229228]  ? lock_downgrade+0x900/0x900
[  637.233379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.238922]  cache_grow_begin+0xa5/0x8c0
[  637.242978]  ? do_raw_spin_unlock+0xa7/0x330
[  637.247396]  fallback_alloc+0x204/0x2e0
[  637.251369]  ____cache_alloc_node+0x1c7/0x1e0
[  637.255868]  kmem_cache_alloc_node+0xe3/0x730
[  637.260360]  ? lockdep_hardirqs_on+0x296/0x5b0
[  637.264947]  __alloc_skb+0x119/0x770
[  637.268653]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  637.274017]  ? netdev_alloc_frag+0x1f0/0x1f0
[  637.278423]  ? vprintk_default+0x28/0x30
[  637.282488]  ? vprintk_func+0x85/0x181
[  637.286369]  ? printk+0xa7/0xcf
[  637.289648]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  637.294411]  new_skb+0x26/0x1c0
[  637.297688]  aoecmd_cfg+0x279/0x7f0
[  637.301310]  ? find_held_lock+0x36/0x1c0
[  637.305366]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  637.309691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.315235]  ? __lock_is_held+0xb5/0x140
[  637.319399]  discover_timer+0x50/0x60
[  637.323193]  call_timer_fn+0x272/0x920
[  637.327078]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  637.331912]  ? process_timeout+0x40/0x40
[  637.335976]  ? __run_timers+0x7da/0xc70
[  637.339943]  ? _raw_spin_unlock_irq+0x27/0x80
[  637.344434]  ? _raw_spin_unlock_irq+0x27/0x80
[  637.348923]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  637.353762]  ? lockdep_hardirqs_on+0x296/0x5b0
[  637.358340]  ? trace_hardirqs_on+0xbd/0x310
[  637.362654]  ? kasan_check_read+0x11/0x20
[  637.366792]  ? __run_timers+0x7da/0xc70
[  637.370765]  ? trace_hardirqs_off_caller+0x310/0x310
[  637.375874]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  637.380708]  __run_timers+0x7e5/0xc70
[  637.384511]  ? timer_fixup_init+0x70/0x70
[  637.388658]  ? lock_acquire+0x1ed/0x520
[  637.392628]  ? zap_class+0x640/0x640
[  637.396339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.401874]  ? kasan_check_read+0x11/0x20
[  637.406015]  ? do_raw_spin_lock+0x14f/0x350
[  637.410337]  ? find_held_lock+0x36/0x1c0
[  637.414406]  ? zap_class+0x640/0x640
[  637.418119]  ? pvclock_read_flags+0x160/0x160
[  637.422613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.428151]  ? check_preemption_disabled+0x48/0x280
[  637.433170]  ? __lock_is_held+0xb5/0x140
[  637.437231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.442763]  ? check_preemption_disabled+0x48/0x280
[  637.447775]  run_timer_softirq+0x52/0xb0
[  637.451834]  ? rcu_read_lock_sched_held+0x14f/0x180
[  637.456844]  __do_softirq+0x308/0xb7e
[  637.460641]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  637.465136]  ? lock_downgrade+0x900/0x900
[  637.469281]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  637.474391]  ? pvclock_read_flags+0x160/0x160
[  637.478887]  ? lapic_next_event+0x5a/0x90
[  637.483032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.488568]  ? kvm_clock_read+0x18/0x30
[  637.492535]  ? kvm_sched_clock_read+0x9/0x20
[  637.496942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.502477]  ? check_preemption_disabled+0x48/0x280
[  637.507499]  irq_exit+0x17f/0x1c0
[  637.510951]  smp_apic_timer_interrupt+0x1cb/0x760
[  637.515787]  ? smp_call_function_single_interrupt+0x159/0x650
[  637.521668]  ? smp_call_function_single_interrupt+0x650/0x650
[  637.527546]  ? interrupt_entry+0xb5/0xc0
[  637.531606]  ? trace_hardirqs_off_caller+0xbb/0x310
[  637.536616]  ? trace_hardirqs_off_caller+0xbb/0x310
[  637.541627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.546468]  ? trace_hardirqs_on_caller+0x310/0x310
[  637.551481]  ? trace_hardirqs_on_caller+0x310/0x310
[  637.556494]  ? task_prio+0x50/0x50
[  637.560028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.565564]  ? check_preemption_disabled+0x48/0x280
[  637.570578]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.575422]  apic_timer_interrupt+0xf/0x20
[  637.579646]  </IRQ>
[  637.581878] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  637.586805] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  637.605697] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  637.613397] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  637.620658] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  637.627918] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  637.635270] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  637.642534] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  637.649835]  skb_clone+0x1bb/0x500
[  637.653377]  ? finish_task_switch+0x1b4/0x910
[  637.657866]  ? skb_split+0x11e0/0x11e0
[  637.661753]  ? preempt_notifier_register+0x200/0x200
[  637.666850]  ? __switch_to_asm+0x34/0x70
[  637.670906]  ? __switch_to_asm+0x34/0x70
[  637.674962]  ? __switch_to_asm+0x40/0x70
[  637.679018]  ? __switch_to_asm+0x34/0x70
[  637.683072]  ? __switch_to_asm+0x40/0x70
[  637.687126]  ? __switch_to_asm+0x34/0x70
[  637.691178]  ? __switch_to_asm+0x40/0x70
[  637.695229]  ? __switch_to_asm+0x34/0x70
[  637.699285]  ? __switch_to_asm+0x34/0x70
[  637.703338]  ? __switch_to_asm+0x40/0x70
[  637.707401]  ? __switch_to_asm+0x34/0x70
[  637.711461]  bpf_clone_redirect+0xb9/0x490
[  637.715690]  ? __schedule+0x8d7/0x21d0
[  637.719577]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  637.724593]  ? __sched_text_start+0x8/0x8
[  637.728736]  ? retint_kernel+0x2d/0x2d
[  637.732624]  ? find_held_lock+0x36/0x1c0
[  637.736686]  ? lock_acquire+0x1ed/0x520
[  637.740654]  ? bpf_test_run+0x3ee/0x7a0
[  637.744626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.750158]  ? check_preemption_disabled+0x48/0x280
[  637.755175]  ? kasan_check_read+0x11/0x20
[  637.759315]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  637.764597]  ? rcu_softirq_qs+0x20/0x20
[  637.768568]  ? preempt_schedule+0x4d/0x60
[  637.772714]  ? ___preempt_schedule+0x16/0x18
[  637.777125]  ? bpf_test_run+0x271/0x7a0
[  637.781106]  ? netlink_diag_dump+0x2a0/0x2a0
[  637.785515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.791047]  ? bpf_test_init.isra.10+0x70/0x100
[  637.795713]  ? bpf_prog_test_run_skb+0x762/0xd60
[  637.800473]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  637.805314]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  637.810855]  ? fput+0x130/0x1a0
[  637.814137]  ? __bpf_prog_get+0x9b/0x290
[  637.818199]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  637.823036]  ? bpf_prog_test_run+0x130/0x1a0
[  637.827440]  ? __x64_sys_bpf+0x3d8/0x520
[  637.831501]  ? bpf_prog_get+0x20/0x20
[  637.835311]  ? do_syscall_64+0x1b9/0x820
[  637.839375]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  637.844737]  ? syscall_return_slowpath+0x5e0/0x5e0
[  637.849658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.854495]  ? trace_hardirqs_on_caller+0x310/0x310
[  637.859505]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  637.864603]  ? prepare_exit_to_usermode+0x291/0x3b0
[  637.869619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.874460]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  637.879843] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  637.879897] aoe: skb alloc failure
[  637.886851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  637.886857] Call Trace:
[  637.886863]  <IRQ>
[  637.886879]  dump_stack+0x244/0x39d
[  637.886897]  ? dump_stack_print_info.cold.1+0x20/0x20
[  637.890447] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  637.899759]  ? __wake_up+0xe/0x10
[  637.902313] syz-executor0 cpuset=syz0 mems_allowed=0
[  637.904465]  warn_alloc.cold.116+0xb7/0x1bd
[  637.936526]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  637.941365]  ? lock_downgrade+0x900/0x900
[  637.945516]  ? trace_hardirqs_off+0xb8/0x310
[  637.949925]  ? trace_hardirqs_off+0xb8/0x310
[  637.954342]  __alloc_pages_slowpath+0x2651/0x2de0
[  637.959202]  ? warn_alloc+0x120/0x120
[  637.962997]  ? print_usage_bug+0xc0/0xc0
[  637.967050]  ? warn_alloc+0x120/0x120
[  637.970850]  ? warn_alloc+0x120/0x120
[  637.974647]  ? print_usage_bug+0xc0/0xc0
[  637.978703]  ? kvm_clock_read+0x18/0x30
[  637.982673]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  637.987711]  ? print_usage_bug+0xc0/0xc0
[  637.991772]  ? __lock_acquire+0x62f/0x4c20
[  637.996008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.001538]  ? should_fail+0x22d/0xd01
[  638.005421]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.010706]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  638.015807]  ? __lock_acquire+0x62f/0x4c20
[  638.020042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  638.025138]  ? __lock_acquire+0x62f/0x4c20
[  638.029364]  ? should_fail+0x22d/0xd01
[  638.033241]  ? rcu_irq_exit+0x1a2/0x390
[  638.037217]  ? mark_held_locks+0x130/0x130
[  638.041448]  ? mark_held_locks+0x130/0x130
[  638.045680]  ? mark_held_locks+0xc7/0x130
[  638.049821]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  638.054834]  ? zap_class+0x640/0x640
[  638.058779]  ? print_usage_bug+0xc0/0xc0
[  638.062840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.068372]  ? check_preemption_disabled+0x48/0x280
[  638.073390]  ? __lock_is_held+0xb5/0x140
[  638.077452]  __alloc_pages_nodemask+0xad8/0xea0
[  638.082113]  ? zap_class+0x640/0x640
[  638.085822]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  638.090840]  ? find_held_lock+0x36/0x1c0
[  638.094903]  ? ____cache_alloc_node+0x1c7/0x1e0
[  638.099570]  ? lock_downgrade+0x900/0x900
[  638.103721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.109255]  cache_grow_begin+0xa5/0x8c0
[  638.113320]  ? do_raw_spin_unlock+0xa7/0x330
[  638.117729]  fallback_alloc+0x204/0x2e0
[  638.121705]  ____cache_alloc_node+0x1c7/0x1e0
[  638.126205]  kmem_cache_alloc_node+0xe3/0x730
[  638.130702]  ? ipv6_get_ifaddr+0x42e/0x620
[  638.134938]  __alloc_skb+0x119/0x770
[  638.138644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.143921]  ? netdev_alloc_frag+0x1f0/0x1f0
[  638.148326]  ? lock_downgrade+0x900/0x900
[  638.152475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.158004]  ? refcount_sub_and_test_checked+0x203/0x310
[  638.163450]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  638.168894]  ? addrconf_rs_timer+0x690/0x690
[  638.173313]  ndisc_alloc_skb+0x144/0x340
[  638.177376]  ndisc_send_rs+0x331/0x6e0
[  638.181261]  addrconf_rs_timer+0x314/0x690
[  638.185492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  638.189727]  call_timer_fn+0x272/0x920
[  638.193611]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  638.197841]  ? process_timeout+0x40/0x40
[  638.201903]  ? mark_held_locks+0xc7/0x130
[  638.206049]  ? _raw_spin_unlock_irq+0x27/0x80
[  638.210540]  ? _raw_spin_unlock_irq+0x27/0x80
[  638.215028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  638.219255]  ? lockdep_hardirqs_on+0x296/0x5b0
[  638.223834]  ? trace_hardirqs_on+0xbd/0x310
[  638.228220]  ? kasan_check_read+0x11/0x20
[  638.232360]  ? __run_timers+0x7da/0xc70
[  638.236336]  ? trace_hardirqs_off_caller+0x310/0x310
[  638.241443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  638.245679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  638.249905]  __run_timers+0x7e5/0xc70
[  638.253710]  ? timer_fixup_init+0x70/0x70
[  638.257858]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  638.262869]  ? zap_class+0x640/0x640
[  638.266585]  ? print_usage_bug+0xc0/0xc0
[  638.270644]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  638.275834]  ? find_held_lock+0x36/0x1c0
[  638.279893]  ? zap_class+0x640/0x640
[  638.283611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.289147]  ? check_preemption_disabled+0x48/0x280
[  638.294163]  ? __lock_is_held+0xb5/0x140
[  638.298221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.303756]  ? check_preemption_disabled+0x48/0x280
[  638.308771]  run_timer_softirq+0x52/0xb0
[  638.312823]  ? rcu_read_lock_sched_held+0x14f/0x180
[  638.317835]  __do_softirq+0x308/0xb7e
[  638.321633]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  638.326124]  ? lock_downgrade+0x900/0x900
[  638.330384]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  638.335488]  ? pvclock_read_flags+0x160/0x160
[  638.339977]  ? lapic_next_event+0x5a/0x90
[  638.344129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.349666]  ? kvm_clock_read+0x18/0x30
[  638.353638]  ? kvm_sched_clock_read+0x9/0x20
[  638.358045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.363576]  ? check_preemption_disabled+0x48/0x280
[  638.368593]  irq_exit+0x17f/0x1c0
[  638.372045]  smp_apic_timer_interrupt+0x1cb/0x760
[  638.376889]  ? smp_call_function_single_interrupt+0x159/0x650
[  638.382789]  ? smp_call_function_single_interrupt+0x650/0x650
[  638.388666]  ? interrupt_entry+0xb5/0xc0
[  638.392720]  ? trace_hardirqs_off_caller+0xbb/0x310
[  638.397729]  ? trace_hardirqs_off_caller+0xbb/0x310
[  638.402742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  638.407581]  ? trace_hardirqs_on_caller+0x310/0x310
[  638.412590]  ? trace_hardirqs_on_caller+0x310/0x310
[  638.417602]  ? task_prio+0x50/0x50
[  638.421136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.426673]  ? check_preemption_disabled+0x48/0x280
[  638.431695]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  638.436557]  apic_timer_interrupt+0xf/0x20
[  638.440783]  </IRQ>
[  638.443046] RIP: 0010:smp_call_function_single+0x30a/0x660
[  638.448669] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  638.467567] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  638.475266] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  638.482542] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  638.489805] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  638.497071] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  638.504335] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  638.511610]  ? smp_call_function_single+0x351/0x660
[  638.516621]  ? smp_call_function_single+0x300/0x660
[  638.521636]  ? rcu_note_context_switch+0x12ad/0x2150
[  638.526745]  ? retint_kernel+0x2d/0x2d
[  638.530631]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  638.536509]  ? generic_exec_single+0x5f0/0x5f0
[  638.541090]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  638.546967]  ? zap_class+0x640/0x640
[  638.550676]  ? smp_call_function_single+0x302/0x660
[  638.555695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.561227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.566848]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  638.571857]  ? find_next_and_bit+0x183/0x1e0
[  638.576276]  smp_call_function_many+0x911/0xae0
[  638.580939]  ? __lock_acquire+0x62f/0x4c20
[  638.585171]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  638.591046]  ? _raw_spin_unlock_irq+0x27/0x80
[  638.595537]  ? _raw_spin_unlock_irq+0x27/0x80
[  638.600025]  ? smp_call_function_single_async+0x370/0x370
[  638.605558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.611089]  ? check_preemption_disabled+0x48/0x280
[  638.616102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.621635]  ? check_preemption_disabled+0x48/0x280
[  638.626649]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  638.632531]  on_each_cpu_mask+0x41/0x240
[  638.636587]  ? x86_configure_nx+0x110/0x110
[  638.640903]  on_each_cpu_cond_mask+0x171/0x210
[  638.645478]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  638.651360]  ? on_each_cpu_mask+0x240/0x240
[  638.655687]  native_flush_tlb_others+0x2ea/0x690
[  638.660441]  ? initialize_tlbstate_and_flush+0x380/0x380
[  638.665893]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  638.670902]  ? find_next_bit+0x104/0x130
[  638.674961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.680487]  ? find_next_bit+0x104/0x130
[  638.684552]  ? cpumask_next+0x41/0x50
[  638.688345]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  638.693367]  ? cpumask_any_but+0xb1/0xe0
[  638.697425]  flush_tlb_mm_range+0x2fe/0x5d0
[  638.701738]  ? fault_around_bytes_set+0x90/0x90
[  638.706406]  ? native_flush_tlb_others+0x690/0x690
[  638.711337]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  638.716874]  ? alloc_pages_current+0x17b/0x350
[  638.721455]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.726986]  ? __tlb_remove_page_size+0x187/0x500
[  638.731826]  unmap_page_range+0x1eef/0x2930
[  638.736162]  ? vm_normal_page_pmd+0x510/0x510
[  638.740658]  ? mark_held_locks+0x130/0x130
[  638.744887]  ? finish_task_switch+0x1f4/0x910
[  638.749377]  ? finish_task_switch+0x1b4/0x910
[  638.753863]  ? __switch_to_asm+0x34/0x70
[  638.757928]  ? zap_class+0x640/0x640
[  638.761642]  ? prepare_to_wait_event+0x39f/0xa10
[  638.766391]  ? tlb_table_flush+0xb4/0x5c0
[  638.770536]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  638.775630]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  638.780729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.786265]  ? tlb_flush_mmu_free+0x105/0x170
[  638.790764]  ? tlb_flush_mmu+0x58/0x520
[  638.794740]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  638.799237]  ? kasan_check_write+0x14/0x20
[  638.803475]  ? tlb_finish_mmu+0x166/0x1f0
[  638.807620]  ? tlb_gather_mmu+0x440/0x440
[  638.811787]  ? kasan_check_write+0x14/0x20
[  638.816021]  __oom_reap_task_mm+0xf7/0x410
[  638.820262]  ? process_shares_mm+0x460/0x460
[  638.824684]  oom_reaper+0x2b7/0x11e0
[  638.828405]  ? __oom_reap_task_mm+0x410/0x410
[  638.832894]  ? lock_pin_lock+0x350/0x350
[  638.836954]  ? finish_wait+0x430/0x430
[  638.840845]  ? __schedule+0x168a/0x21d0
[  638.844815]  ? __switch_to_asm+0x40/0x70
[  638.848866]  ? __switch_to_asm+0x40/0x70
[  638.852925]  ? zap_class+0x640/0x640
[  638.856642]  ? __sched_text_start+0x8/0x8
[  638.860790]  ? find_held_lock+0x36/0x1c0
[  638.864852]  ? __kthread_parkme+0xce/0x1a0
[  638.869086]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  638.874188]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  638.879284]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  638.883862]  ? trace_hardirqs_on+0xbd/0x310
[  638.888176]  ? kasan_check_read+0x11/0x20
[  638.892319]  ? __kthread_parkme+0xce/0x1a0
[  638.896551]  ? trace_hardirqs_off_caller+0x310/0x310
[  638.901655]  ? preempt_schedule+0x4d/0x60
[  638.905804]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  638.910899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.916432]  ? __kthread_parkme+0xfb/0x1a0
[  638.920666]  ? __oom_reap_task_mm+0x410/0x410
[  638.925155]  kthread+0x35a/0x440
[  638.928521]  ? kthread_stop+0x900/0x900
[  638.932490]  ret_from_fork+0x3a/0x50
[  638.936215] warn_alloc_show_mem: 1 callbacks suppressed
[  638.936225] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  638.936226] Mem-Info:
[  638.936264] active_anon:44214 inactive_anon:199 isolated_anon:0
[  638.936264]  active_file:6 inactive_file:21 isolated_file:0
[  638.936264]  unevictable:0 dirty:0 writeback:0 unstable:0
[  638.936264]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  638.936264]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  638.936264]  free:13686 free_pcp:384 free_cma:0
[  638.941595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  638.948951] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  638.951338] Call Trace:
[  638.984106] 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
[  638.993444]  <IRQ>
[  639.020744] lowmem_reserve[]: 0 2818 6321 6321
[  639.023325]  dump_stack+0x244/0x39d
[  639.049402] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  639.051544]  ? dump_stack_print_info.cold.1+0x20/0x20
[  639.056085] lowmem_reserve[]: 0 0 3503 3503
[  639.059705]  ? __wake_up+0xe/0x10
[  639.086998] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  639.092182]  warn_alloc.cold.116+0xb7/0x1bd
[  639.096464] lowmem_reserve[]: 0 0 0 0
[  639.099912]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  639.128865] 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
[  639.133181]  ? lock_downgrade+0x900/0x900
[  639.136950] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  639.141794]  ? trace_hardirqs_off+0xb8/0x310
[  639.155280] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  639.159431]  ? trace_hardirqs_off+0xb8/0x310
[  639.174576] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  639.178973]  __alloc_pages_slowpath+0x2651/0x2de0
[  639.192548] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  639.196958]  ? warn_alloc+0x120/0x120
[  639.205743] 271 total pagecache pages
[  639.210571]  ? warn_alloc+0x120/0x120
[  639.219123] 0 pages in swap cache
[  639.222903]  ? __lock_acquire+0x62f/0x4c20
[  639.226931] Swap cache stats: add 0, delete 0, find 0/0
[  639.226938] Free swap  = 0kB
[  639.230737]  ? warn_alloc+0x120/0x120
[  639.234159] Total swap = 0kB
[  639.238391]  ? print_usage_bug+0xc0/0xc0
[  639.243726] 1965979 pages RAM
[  639.246732]  ? print_usage_bug+0xc0/0xc0
[  639.250496] 0 pages HighMem/MovableOnly
[  639.250503] 342854 pages reserved
[  639.253510]  ? mark_held_locks+0x130/0x130
[  639.257534] 0 pages cma reserved
[  639.257607] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  639.260640]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  639.264751] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  639.268635]  ? should_fail+0x22d/0xd01
[  639.272059] oom_reaper cpuset=/ mems_allowed=0
[  639.276278]  ? zap_class+0x640/0x640
[  639.314025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  639.319128]  ? __lock_acquire+0x62f/0x4c20
[  639.323358]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  639.328457]  ? should_fail+0x22d/0xd01
[  639.332350]  ? mark_held_locks+0x130/0x130
[  639.336580]  ? mark_held_locks+0x130/0x130
[  639.340806]  ? lock_downgrade+0x900/0x900
[  639.344958]  ? zap_class+0x640/0x640
[  639.348667]  ? zap_class+0x640/0x640
[  639.352378]  ? zap_class+0x640/0x640
[  639.356087]  ? do_raw_spin_unlock+0xa7/0x330
[  639.360491]  ? trace_hardirqs_on+0x310/0x310
[  639.364897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.370426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.375963]  ? check_preemption_disabled+0x48/0x280
[  639.380987]  ? __lock_is_held+0xb5/0x140
[  639.385051]  __alloc_pages_nodemask+0xad8/0xea0
[  639.389725]  ? zap_class+0x640/0x640
[  639.393441]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  639.398473]  ? find_held_lock+0x36/0x1c0
[  639.402538]  ? ____cache_alloc_node+0x1c7/0x1e0
[  639.407211]  ? lock_downgrade+0x900/0x900
[  639.411364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.416898]  cache_grow_begin+0xa5/0x8c0
[  639.420958]  ? do_raw_spin_unlock+0xa7/0x330
[  639.425370]  fallback_alloc+0x204/0x2e0
[  639.429343]  ____cache_alloc_node+0x1c7/0x1e0
[  639.433836]  kmem_cache_alloc_node+0xe3/0x730
[  639.438328]  ? lockdep_hardirqs_on+0x296/0x5b0
[  639.442911]  __alloc_skb+0x119/0x770
[  639.446618]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  639.451982]  ? netdev_alloc_frag+0x1f0/0x1f0
[  639.456389]  ? vprintk_default+0x28/0x30
[  639.460443]  ? vprintk_func+0x85/0x181
[  639.464328]  ? printk+0xa7/0xcf
[  639.467602]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  639.472359]  new_skb+0x26/0x1c0
[  639.475633]  aoecmd_cfg+0x279/0x7f0
[  639.479259]  ? find_held_lock+0x36/0x1c0
[  639.483316]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  639.487634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.493173]  ? __lock_is_held+0xb5/0x140
[  639.497250]  discover_timer+0x50/0x60
[  639.501044]  call_timer_fn+0x272/0x920
[  639.504926]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  639.509765]  ? process_timeout+0x40/0x40
[  639.513829]  ? __run_timers+0x7da/0xc70
[  639.517801]  ? _raw_spin_unlock_irq+0x27/0x80
[  639.522292]  ? _raw_spin_unlock_irq+0x27/0x80
[  639.526782]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  639.531619]  ? lockdep_hardirqs_on+0x296/0x5b0
[  639.536226]  ? trace_hardirqs_on+0xbd/0x310
[  639.540546]  ? kasan_check_read+0x11/0x20
[  639.544694]  ? __run_timers+0x7da/0xc70
[  639.548662]  ? trace_hardirqs_off_caller+0x310/0x310
[  639.553771]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  639.558605]  __run_timers+0x7e5/0xc70
[  639.562408]  ? timer_fixup_init+0x70/0x70
[  639.566554]  ? lock_acquire+0x1ed/0x520
[  639.570526]  ? zap_class+0x640/0x640
[  639.574236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.579769]  ? kasan_check_read+0x11/0x20
[  639.583912]  ? do_raw_spin_lock+0x14f/0x350
[  639.588238]  ? find_held_lock+0x36/0x1c0
[  639.592299]  ? zap_class+0x640/0x640
[  639.596009]  ? pvclock_read_flags+0x160/0x160
[  639.600502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.606045]  ? check_preemption_disabled+0x48/0x280
[  639.611064]  ? __lock_is_held+0xb5/0x140
[  639.615121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.620655]  ? check_preemption_disabled+0x48/0x280
[  639.625672]  run_timer_softirq+0x52/0xb0
[  639.629729]  ? rcu_read_lock_sched_held+0x14f/0x180
[  639.634828]  __do_softirq+0x308/0xb7e
[  639.638742]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  639.643230]  ? lock_downgrade+0x900/0x900
[  639.647380]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  639.652484]  ? pvclock_read_flags+0x160/0x160
[  639.656974]  ? lapic_next_event+0x5a/0x90
[  639.661121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.666657]  ? kvm_clock_read+0x18/0x30
[  639.670630]  ? kvm_sched_clock_read+0x9/0x20
[  639.675035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.680568]  ? check_preemption_disabled+0x48/0x280
[  639.685591]  irq_exit+0x17f/0x1c0
[  639.689038]  smp_apic_timer_interrupt+0x1cb/0x760
[  639.693873]  ? smp_call_function_single_interrupt+0x159/0x650
[  639.699754]  ? smp_call_function_single_interrupt+0x650/0x650
[  639.705842]  ? interrupt_entry+0xb5/0xc0
[  639.709902]  ? trace_hardirqs_off_caller+0xbb/0x310
[  639.714916]  ? trace_hardirqs_off_caller+0xbb/0x310
[  639.719947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  639.724783]  ? trace_hardirqs_on_caller+0x310/0x310
[  639.729790]  ? trace_hardirqs_on_caller+0x310/0x310
[  639.734800]  ? task_prio+0x50/0x50
[  639.738334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.743871]  ? check_preemption_disabled+0x48/0x280
[  639.748896]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  639.753749]  apic_timer_interrupt+0xf/0x20
[  639.757972]  </IRQ>
[  639.760205] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  639.765131] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  639.784031] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  639.791850] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  639.799110] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  639.806378] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  639.813643] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  639.820905] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  639.828215]  skb_clone+0x1bb/0x500
[  639.831754]  ? finish_task_switch+0x1b4/0x910
[  639.836256]  ? skb_split+0x11e0/0x11e0
[  639.840138]  ? preempt_notifier_register+0x200/0x200
[  639.845241]  ? __switch_to_asm+0x34/0x70
[  639.849295]  ? __switch_to_asm+0x34/0x70
[  639.853350]  ? __switch_to_asm+0x40/0x70
[  639.857401]  ? __switch_to_asm+0x34/0x70
[  639.861454]  ? __switch_to_asm+0x40/0x70
[  639.865505]  ? __switch_to_asm+0x34/0x70
[  639.869558]  ? __switch_to_asm+0x40/0x70
[  639.873611]  ? __switch_to_asm+0x34/0x70
[  639.877663]  ? __switch_to_asm+0x34/0x70
[  639.881717]  ? __switch_to_asm+0x40/0x70
[  639.885772]  ? __switch_to_asm+0x34/0x70
[  639.889831]  bpf_clone_redirect+0xb9/0x490
[  639.894063]  ? __schedule+0x8d7/0x21d0
[  639.897948]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  639.902959]  ? __sched_text_start+0x8/0x8
[  639.907103]  ? retint_kernel+0x2d/0x2d
[  639.910993]  ? find_held_lock+0x36/0x1c0
[  639.915056]  ? lock_acquire+0x1ed/0x520
[  639.919026]  ? bpf_test_run+0x3ee/0x7a0
[  639.922993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.928523]  ? check_preemption_disabled+0x48/0x280
[  639.933542]  ? kasan_check_read+0x11/0x20
[  639.937687]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  639.942957]  ? rcu_softirq_qs+0x20/0x20
[  639.946930]  ? preempt_schedule+0x4d/0x60
[  639.951077]  ? ___preempt_schedule+0x16/0x18
[  639.955484]  ? bpf_test_run+0x271/0x7a0
[  639.959464]  ? netlink_diag_dump+0x2a0/0x2a0
[  639.963868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  639.969401]  ? bpf_test_init.isra.10+0x70/0x100
[  639.974068]  ? bpf_prog_test_run_skb+0x762/0xd60
[  639.978825]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  639.983668]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  639.989200]  ? fput+0x130/0x1a0
[  639.992477]  ? __bpf_prog_get+0x9b/0x290
[  639.996535]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  640.001377]  ? bpf_prog_test_run+0x130/0x1a0
[  640.005786]  ? __x64_sys_bpf+0x3d8/0x520
[  640.009840]  ? bpf_prog_get+0x20/0x20
[  640.013653]  ? do_syscall_64+0x1b9/0x820
[  640.017705]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  640.023065]  ? syscall_return_slowpath+0x5e0/0x5e0
[  640.027988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.032825]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.037839]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  640.042850]  ? prepare_exit_to_usermode+0x291/0x3b0
[  640.047867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.052714]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  640.058387] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  640.058461] aoe: skb alloc failure
[  640.065403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  640.065408] Call Trace:
[  640.065413]  <IRQ>
[  640.065431]  dump_stack+0x244/0x39d
[  640.065449]  ? dump_stack_print_info.cold.1+0x20/0x20
[  640.068989] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  640.078304]  ? __wake_up+0xe/0x10
[  640.080856] syz-executor0 cpuset=syz0 mems_allowed=0
[  640.082997]  warn_alloc.cold.116+0xb7/0x1bd
[  640.115051]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  640.119893]  ? lock_downgrade+0x900/0x900
[  640.124059]  ? trace_hardirqs_off+0xb8/0x310
[  640.128470]  ? trace_hardirqs_off+0xb8/0x310
[  640.132880]  __alloc_pages_slowpath+0x2651/0x2de0
[  640.137740]  ? warn_alloc+0x120/0x120
[  640.141540]  ? print_usage_bug+0xc0/0xc0
[  640.145594]  ? warn_alloc+0x120/0x120
[  640.149400]  ? warn_alloc+0x120/0x120
[  640.153195]  ? print_usage_bug+0xc0/0xc0
[  640.157249]  ? kvm_clock_read+0x18/0x30
[  640.161219]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  640.166227]  ? print_usage_bug+0xc0/0xc0
[  640.170283]  ? __lock_acquire+0x62f/0x4c20
[  640.174516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.180046]  ? should_fail+0x22d/0xd01
[  640.183924]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.189201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  640.194298]  ? __lock_acquire+0x62f/0x4c20
[  640.198529]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  640.203623]  ? __lock_acquire+0x62f/0x4c20
[  640.207851]  ? should_fail+0x22d/0xd01
[  640.211728]  ? rcu_irq_exit+0x1a2/0x390
[  640.215703]  ? mark_held_locks+0x130/0x130
[  640.219940]  ? mark_held_locks+0x130/0x130
[  640.224173]  ? mark_held_locks+0xc7/0x130
[  640.228317]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  640.233328]  ? zap_class+0x640/0x640
[  640.237034]  ? print_usage_bug+0xc0/0xc0
[  640.241092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.246632]  ? check_preemption_disabled+0x48/0x280
[  640.251653]  ? __lock_is_held+0xb5/0x140
[  640.255716]  __alloc_pages_nodemask+0xad8/0xea0
[  640.260387]  ? zap_class+0x640/0x640
[  640.264101]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  640.269134]  ? find_held_lock+0x36/0x1c0
[  640.273200]  ? ____cache_alloc_node+0x1c7/0x1e0
[  640.277865]  ? lock_downgrade+0x900/0x900
[  640.282012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.287551]  cache_grow_begin+0xa5/0x8c0
[  640.291602]  ? do_raw_spin_unlock+0xa7/0x330
[  640.296014]  fallback_alloc+0x204/0x2e0
[  640.299986]  ____cache_alloc_node+0x1c7/0x1e0
[  640.304482]  kmem_cache_alloc_node+0xe3/0x730
[  640.308972]  ? ipv6_get_ifaddr+0x42e/0x620
[  640.313212]  __alloc_skb+0x119/0x770
[  640.316919]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.322194]  ? netdev_alloc_frag+0x1f0/0x1f0
[  640.326597]  ? lock_downgrade+0x900/0x900
[  640.330758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.336290]  ? refcount_sub_and_test_checked+0x203/0x310
[  640.341741]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  640.347190]  ? addrconf_rs_timer+0x690/0x690
[  640.351601]  ndisc_alloc_skb+0x144/0x340
[  640.355658]  ndisc_send_rs+0x331/0x6e0
[  640.359547]  addrconf_rs_timer+0x314/0x690
[  640.363783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  640.368027]  call_timer_fn+0x272/0x920
[  640.371911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  640.376141]  ? process_timeout+0x40/0x40
[  640.380207]  ? mark_held_locks+0xc7/0x130
[  640.384349]  ? _raw_spin_unlock_irq+0x27/0x80
[  640.388843]  ? _raw_spin_unlock_irq+0x27/0x80
[  640.393333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  640.397563]  ? lockdep_hardirqs_on+0x296/0x5b0
[  640.402145]  ? trace_hardirqs_on+0xbd/0x310
[  640.406461]  ? kasan_check_read+0x11/0x20
[  640.410605]  ? __run_timers+0x7da/0xc70
[  640.414576]  ? trace_hardirqs_off_caller+0x310/0x310
[  640.419679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  640.423929]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  640.428155]  __run_timers+0x7e5/0xc70
[  640.431975]  ? timer_fixup_init+0x70/0x70
[  640.436131]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  640.441141]  ? zap_class+0x640/0x640
[  640.444854]  ? print_usage_bug+0xc0/0xc0
[  640.449063]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  640.454252]  ? find_held_lock+0x36/0x1c0
[  640.458312]  ? zap_class+0x640/0x640
[  640.462038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.467575]  ? check_preemption_disabled+0x48/0x280
[  640.472592]  ? __lock_is_held+0xb5/0x140
[  640.476652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.482184]  ? check_preemption_disabled+0x48/0x280
[  640.487203]  run_timer_softirq+0x52/0xb0
[  640.491261]  ? rcu_read_lock_sched_held+0x14f/0x180
[  640.496273]  __do_softirq+0x308/0xb7e
[  640.500069]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  640.504567]  ? lock_downgrade+0x900/0x900
[  640.508716]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  640.513821]  ? pvclock_read_flags+0x160/0x160
[  640.518315]  ? lapic_next_event+0x5a/0x90
[  640.522462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.527997]  ? kvm_clock_read+0x18/0x30
[  640.531967]  ? kvm_sched_clock_read+0x9/0x20
[  640.536378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.541910]  ? check_preemption_disabled+0x48/0x280
[  640.546926]  irq_exit+0x17f/0x1c0
[  640.550387]  smp_apic_timer_interrupt+0x1cb/0x760
[  640.555225]  ? smp_call_function_single_interrupt+0x159/0x650
[  640.561114]  ? smp_call_function_single_interrupt+0x650/0x650
[  640.566992]  ? interrupt_entry+0xb5/0xc0
[  640.571048]  ? trace_hardirqs_off_caller+0xbb/0x310
[  640.576060]  ? trace_hardirqs_off_caller+0xbb/0x310
[  640.581096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.585933]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.590943]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.595956]  ? task_prio+0x50/0x50
[  640.599492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.605023]  ? check_preemption_disabled+0x48/0x280
[  640.610057]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.614907]  apic_timer_interrupt+0xf/0x20
[  640.619134]  </IRQ>
[  640.621371] RIP: 0010:smp_call_function_single+0x30a/0x660
[  640.626993] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  640.645887] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  640.653591] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  640.660853] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  640.668114] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  640.675375] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  640.682637] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  640.689915]  ? smp_call_function_single+0x351/0x660
[  640.694927]  ? smp_call_function_single+0x300/0x660
[  640.699944]  ? rcu_note_context_switch+0x12ad/0x2150
[  640.705041]  ? retint_kernel+0x2d/0x2d
[  640.708933]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  640.714816]  ? generic_exec_single+0x5f0/0x5f0
[  640.719397]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  640.725276]  ? zap_class+0x640/0x640
[  640.728982]  ? smp_call_function_single+0x302/0x660
[  640.734267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.739798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.745355]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  640.750366]  ? find_next_and_bit+0x183/0x1e0
[  640.754778]  smp_call_function_many+0x911/0xae0
[  640.759441]  ? __lock_acquire+0x62f/0x4c20
[  640.763673]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  640.769562]  ? _raw_spin_unlock_irq+0x27/0x80
[  640.774056]  ? _raw_spin_unlock_irq+0x27/0x80
[  640.778552]  ? smp_call_function_single_async+0x370/0x370
[  640.784089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.789622]  ? check_preemption_disabled+0x48/0x280
[  640.794635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.800166]  ? check_preemption_disabled+0x48/0x280
[  640.805179]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  640.811058]  on_each_cpu_mask+0x41/0x240
[  640.815132]  ? x86_configure_nx+0x110/0x110
[  640.819450]  on_each_cpu_cond_mask+0x171/0x210
[  640.824032]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  640.829921]  ? on_each_cpu_mask+0x240/0x240
[  640.834245]  native_flush_tlb_others+0x2ea/0x690
[  640.838999]  ? initialize_tlbstate_and_flush+0x380/0x380
[  640.844453]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  640.849459]  ? find_next_bit+0x104/0x130
[  640.853518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.859044]  ? find_next_bit+0x104/0x130
[  640.863112]  ? cpumask_next+0x41/0x50
[  640.866907]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  640.871915]  ? cpumask_any_but+0xb1/0xe0
[  640.875972]  flush_tlb_mm_range+0x2fe/0x5d0
[  640.880287]  ? fault_around_bytes_set+0x90/0x90
[  640.884960]  ? native_flush_tlb_others+0x690/0x690
[  640.889885]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  640.895425]  ? alloc_pages_current+0x17b/0x350
[  640.900008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.905538]  ? __tlb_remove_page_size+0x187/0x500
[  640.910382]  unmap_page_range+0x1eef/0x2930
[  640.914719]  ? vm_normal_page_pmd+0x510/0x510
[  640.919215]  ? mark_held_locks+0x130/0x130
[  640.923447]  ? finish_task_switch+0x1f4/0x910
[  640.927941]  ? finish_task_switch+0x1b4/0x910
[  640.932428]  ? __switch_to_asm+0x34/0x70
[  640.936496]  ? zap_class+0x640/0x640
[  640.940207]  ? prepare_to_wait_event+0x39f/0xa10
[  640.944959]  ? tlb_table_flush+0xb4/0x5c0
[  640.949103]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  640.954204]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  640.959321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.964864]  ? tlb_flush_mmu_free+0x105/0x170
[  640.969361]  ? tlb_flush_mmu+0x58/0x520
[  640.973337]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  640.977843]  ? kasan_check_write+0x14/0x20
[  640.982076]  ? tlb_finish_mmu+0x166/0x1f0
[  640.986225]  ? tlb_gather_mmu+0x440/0x440
[  640.990374]  ? kasan_check_write+0x14/0x20
[  640.994629]  __oom_reap_task_mm+0xf7/0x410
[  640.998861]  ? process_shares_mm+0x460/0x460
[  641.003287]  oom_reaper+0x2b7/0x11e0
[  641.007004]  ? __oom_reap_task_mm+0x410/0x410
[  641.011594]  ? lock_pin_lock+0x350/0x350
[  641.015659]  ? finish_wait+0x430/0x430
[  641.019549]  ? __schedule+0x168a/0x21d0
[  641.023513]  ? __switch_to_asm+0x40/0x70
[  641.027565]  ? __switch_to_asm+0x40/0x70
[  641.031623]  ? zap_class+0x640/0x640
[  641.035339]  ? __sched_text_start+0x8/0x8
[  641.039493]  ? find_held_lock+0x36/0x1c0
[  641.043558]  ? __kthread_parkme+0xce/0x1a0
[  641.047787]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  641.052883]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  641.057980]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  641.062560]  ? trace_hardirqs_on+0xbd/0x310
[  641.066873]  ? kasan_check_read+0x11/0x20
[  641.071022]  ? __kthread_parkme+0xce/0x1a0
[  641.075271]  ? trace_hardirqs_off_caller+0x310/0x310
[  641.080375]  ? preempt_schedule+0x4d/0x60
[  641.084524]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  641.089620]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  641.095152]  ? __kthread_parkme+0xfb/0x1a0
[  641.099386]  ? __oom_reap_task_mm+0x410/0x410
[  641.103877]  kthread+0x35a/0x440
[  641.107244]  ? kthread_stop+0x900/0x900
[  641.111213]  ret_from_fork+0x3a/0x50
[  641.114934] warn_alloc_show_mem: 1 callbacks suppressed
[  641.114943] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  641.114945] Mem-Info:
[  641.114975] active_anon:44214 inactive_anon:199 isolated_anon:0
[  641.114975]  active_file:6 inactive_file:21 isolated_file:0
[  641.114975]  unevictable:0 dirty:0 writeback:0 unstable:0
[  641.114975]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  641.114975]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  641.114975]  free:13686 free_pcp:384 free_cma:0
[  641.120311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  641.127667] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  641.130060] Call Trace:
[  641.162916] 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
[  641.172256]  <IRQ>
[  641.199652] lowmem_reserve[]: 0 2818 6321 6321
[  641.202228]  dump_stack+0x244/0x39d
[  641.228574] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  641.230727]  ? dump_stack_print_info.cold.1+0x20/0x20
[  641.235264] lowmem_reserve[]: 0 0 3503 3503
[  641.238885]  ? __wake_up+0xe/0x10
[  641.266349] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  641.271536]  warn_alloc.cold.116+0xb7/0x1bd
[  641.275821] lowmem_reserve[]: 0 0 0 0
[  641.279262]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  641.308208] 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
[  641.312525]  ? lock_downgrade+0x900/0x900
[  641.316299] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  641.321137]  ? trace_hardirqs_off+0xb8/0x310
[  641.334621] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  641.338767]  ? trace_hardirqs_off+0xb8/0x310
[  641.353913] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  641.358310]  __alloc_pages_slowpath+0x2651/0x2de0
[  641.371883] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  641.371890] 271 total pagecache pages
[  641.376304]  ? warn_alloc+0x120/0x120
[  641.385102] 0 pages in swap cache
[  641.389935]  ? warn_alloc+0x120/0x120
[  641.398479] Swap cache stats: add 0, delete 0, find 0/0
[  641.398486] Free swap  = 0kB
[  641.402274]  ? __lock_acquire+0x62f/0x4c20
[  641.406049] Total swap = 0kB
[  641.409489]  ? warn_alloc+0x120/0x120
[  641.413259] 1965979 pages RAM
[  641.418611]  ? print_usage_bug+0xc0/0xc0
[  641.421595] 0 pages HighMem/MovableOnly
[  641.421602] 342854 pages reserved
[  641.425826]  ? print_usage_bug+0xc0/0xc0
[  641.428817] 0 pages cma reserved
[  641.432602]  ? mark_held_locks+0x130/0x130
[  641.435735] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  641.439729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  641.443751] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  641.447117]  ? should_fail+0x22d/0xd01
[  641.451155] oom_reaper cpuset=/ mems_allowed=0
[  641.454505]  ? zap_class+0x640/0x640
[  641.454522]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  641.498236]  ? __lock_acquire+0x62f/0x4c20
[  641.502468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  641.507564]  ? should_fail+0x22d/0xd01
[  641.511454]  ? mark_held_locks+0x130/0x130
[  641.515688]  ? mark_held_locks+0x130/0x130
[  641.519921]  ? lock_downgrade+0x900/0x900
[  641.524062]  ? zap_class+0x640/0x640
[  641.527773]  ? zap_class+0x640/0x640
[  641.531481]  ? zap_class+0x640/0x640
[  641.535185]  ? do_raw_spin_unlock+0xa7/0x330
[  641.539595]  ? trace_hardirqs_on+0x310/0x310
[  641.544003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.549538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.555073]  ? check_preemption_disabled+0x48/0x280
[  641.560094]  ? __lock_is_held+0xb5/0x140
[  641.564155]  __alloc_pages_nodemask+0xad8/0xea0
[  641.568817]  ? zap_class+0x640/0x640
[  641.572528]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  641.577551]  ? find_held_lock+0x36/0x1c0
[  641.581615]  ? ____cache_alloc_node+0x1c7/0x1e0
[  641.586277]  ? lock_downgrade+0x900/0x900
[  641.590428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.595961]  cache_grow_begin+0xa5/0x8c0
[  641.600022]  ? do_raw_spin_unlock+0xa7/0x330
[  641.604431]  fallback_alloc+0x204/0x2e0
[  641.608404]  ____cache_alloc_node+0x1c7/0x1e0
[  641.612896]  kmem_cache_alloc_node+0xe3/0x730
[  641.617390]  ? lockdep_hardirqs_on+0x296/0x5b0
[  641.621972]  __alloc_skb+0x119/0x770
[  641.625684]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  641.631045]  ? netdev_alloc_frag+0x1f0/0x1f0
[  641.635456]  ? vprintk_default+0x28/0x30
[  641.639520]  ? vprintk_func+0x85/0x181
[  641.643411]  ? printk+0xa7/0xcf
[  641.646688]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  641.651449]  new_skb+0x26/0x1c0
[  641.654725]  aoecmd_cfg+0x279/0x7f0
[  641.658352]  ? find_held_lock+0x36/0x1c0
[  641.662415]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  641.666735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.672281]  ? __lock_is_held+0xb5/0x140
[  641.676347]  discover_timer+0x50/0x60
[  641.680146]  call_timer_fn+0x272/0x920
[  641.684030]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  641.688866]  ? process_timeout+0x40/0x40
[  641.692927]  ? __run_timers+0x7da/0xc70
[  641.696900]  ? _raw_spin_unlock_irq+0x27/0x80
[  641.701390]  ? _raw_spin_unlock_irq+0x27/0x80
[  641.705876]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  641.710713]  ? lockdep_hardirqs_on+0x296/0x5b0
[  641.715295]  ? trace_hardirqs_on+0xbd/0x310
[  641.719612]  ? kasan_check_read+0x11/0x20
[  641.723757]  ? __run_timers+0x7da/0xc70
[  641.727725]  ? trace_hardirqs_off_caller+0x310/0x310
[  641.732839]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  641.737674]  __run_timers+0x7e5/0xc70
[  641.741475]  ? timer_fixup_init+0x70/0x70
[  641.745623]  ? lock_acquire+0x1ed/0x520
[  641.749594]  ? zap_class+0x640/0x640
[  641.753302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.758836]  ? kasan_check_read+0x11/0x20
[  641.762986]  ? do_raw_spin_lock+0x14f/0x350
[  641.767313]  ? find_held_lock+0x36/0x1c0
[  641.771370]  ? zap_class+0x640/0x640
[  641.775085]  ? pvclock_read_flags+0x160/0x160
[  641.779579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.785112]  ? check_preemption_disabled+0x48/0x280
[  641.790137]  ? __lock_is_held+0xb5/0x140
[  641.794198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.799728]  ? check_preemption_disabled+0x48/0x280
[  641.804750]  run_timer_softirq+0x52/0xb0
[  641.808807]  ? rcu_read_lock_sched_held+0x14f/0x180
[  641.813819]  __do_softirq+0x308/0xb7e
[  641.817617]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  641.822107]  ? lock_downgrade+0x900/0x900
[  641.826253]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  641.831371]  ? pvclock_read_flags+0x160/0x160
[  641.835862]  ? lapic_next_event+0x5a/0x90
[  641.840007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.845542]  ? kvm_clock_read+0x18/0x30
[  641.849513]  ? kvm_sched_clock_read+0x9/0x20
[  641.853914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.859449]  ? check_preemption_disabled+0x48/0x280
[  641.864469]  irq_exit+0x17f/0x1c0
[  641.867920]  smp_apic_timer_interrupt+0x1cb/0x760
[  641.872757]  ? smp_call_function_single_interrupt+0x159/0x650
[  641.878638]  ? smp_call_function_single_interrupt+0x650/0x650
[  641.884519]  ? interrupt_entry+0xb5/0xc0
[  641.888574]  ? trace_hardirqs_off_caller+0xbb/0x310
[  641.893586]  ? trace_hardirqs_off_caller+0xbb/0x310
[  641.898598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  641.903434]  ? trace_hardirqs_on_caller+0x310/0x310
[  641.908443]  ? trace_hardirqs_on_caller+0x310/0x310
[  641.913451]  ? task_prio+0x50/0x50
[  641.916998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.922532]  ? check_preemption_disabled+0x48/0x280
[  641.927555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  641.932398]  apic_timer_interrupt+0xf/0x20
[  641.936620]  </IRQ>
[  641.938853] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  641.943806] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  641.962702] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  641.970411] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  641.977672] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  641.984932] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  641.992209] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  641.999470] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  642.006774]  skb_clone+0x1bb/0x500
[  642.010312]  ? finish_task_switch+0x1b4/0x910
[  642.014801]  ? skb_split+0x11e0/0x11e0
[  642.018694]  ? preempt_notifier_register+0x200/0x200
[  642.023792]  ? __switch_to_asm+0x34/0x70
[  642.027845]  ? __switch_to_asm+0x34/0x70
[  642.031902]  ? __switch_to_asm+0x40/0x70
[  642.035965]  ? __switch_to_asm+0x34/0x70
[  642.040018]  ? __switch_to_asm+0x40/0x70
[  642.044075]  ? __switch_to_asm+0x34/0x70
[  642.048129]  ? __switch_to_asm+0x40/0x70
[  642.052182]  ? __switch_to_asm+0x34/0x70
[  642.056237]  ? __switch_to_asm+0x34/0x70
[  642.060580]  ? __switch_to_asm+0x40/0x70
[  642.064635]  ? __switch_to_asm+0x34/0x70
[  642.068700]  bpf_clone_redirect+0xb9/0x490
[  642.072935]  ? __schedule+0x8d7/0x21d0
[  642.076831]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  642.081848]  ? __sched_text_start+0x8/0x8
[  642.085990]  ? retint_kernel+0x2d/0x2d
[  642.089883]  ? find_held_lock+0x36/0x1c0
[  642.093955]  ? lock_acquire+0x1ed/0x520
[  642.097927]  ? bpf_test_run+0x3ee/0x7a0
[  642.101906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.107439]  ? check_preemption_disabled+0x48/0x280
[  642.112453]  ? kasan_check_read+0x11/0x20
[  642.116595]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  642.121867]  ? rcu_softirq_qs+0x20/0x20
[  642.125836]  ? preempt_schedule+0x4d/0x60
[  642.129983]  ? ___preempt_schedule+0x16/0x18
[  642.134390]  ? bpf_test_run+0x271/0x7a0
[  642.138366]  ? netlink_diag_dump+0x2a0/0x2a0
[  642.142770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  642.148300]  ? bpf_test_init.isra.10+0x70/0x100
[  642.152977]  ? bpf_prog_test_run_skb+0x762/0xd60
[  642.157736]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  642.162576]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  642.168105]  ? fput+0x130/0x1a0
[  642.171382]  ? __bpf_prog_get+0x9b/0x290
[  642.175443]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  642.180278]  ? bpf_prog_test_run+0x130/0x1a0
[  642.184686]  ? __x64_sys_bpf+0x3d8/0x520
[  642.188747]  ? bpf_prog_get+0x20/0x20
[  642.192560]  ? do_syscall_64+0x1b9/0x820
[  642.196613]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  642.201976]  ? syscall_return_slowpath+0x5e0/0x5e0
[  642.206900]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.211738]  ? trace_hardirqs_on_caller+0x310/0x310
[  642.216749]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  642.221765]  ? prepare_exit_to_usermode+0x291/0x3b0
[  642.226784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.231631]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  642.237009] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  642.237063] aoe: skb alloc failure
[  642.244016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  642.244021] Call Trace:
[  642.244028]  <IRQ>
[  642.244043]  dump_stack+0x244/0x39d
[  642.244062]  ? dump_stack_print_info.cold.1+0x20/0x20
[  642.247607] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  642.256919]  ? __wake_up+0xe/0x10
[  642.259483] syz-executor0 cpuset=syz0 mems_allowed=0
[  642.261626]  warn_alloc.cold.116+0xb7/0x1bd
[  642.293681]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  642.298523]  ? lock_downgrade+0x900/0x900
[  642.302672]  ? trace_hardirqs_off+0xb8/0x310
[  642.307079]  ? trace_hardirqs_off+0xb8/0x310
[  642.311490]  __alloc_pages_slowpath+0x2651/0x2de0
[  642.316348]  ? warn_alloc+0x120/0x120
[  642.320145]  ? print_usage_bug+0xc0/0xc0
[  642.324206]  ? warn_alloc+0x120/0x120
[  642.328012]  ? warn_alloc+0x120/0x120
[  642.331821]  ? print_usage_bug+0xc0/0xc0
[  642.335878]  ? kvm_clock_read+0x18/0x30
[  642.339846]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  642.344865]  ? print_usage_bug+0xc0/0xc0
[  642.348941]  ? __lock_acquire+0x62f/0x4c20
[  642.353178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  642.358722]  ? should_fail+0x22d/0xd01
[  642.362601]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  642.367875]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  642.372974]  ? __lock_acquire+0x62f/0x4c20
[  642.377210]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  642.382305]  ? __lock_acquire+0x62f/0x4c20
[  642.386533]  ? should_fail+0x22d/0xd01
[  642.390416]  ? rcu_irq_exit+0x1a2/0x390
[  642.394393]  ? mark_held_locks+0x130/0x130
[  642.398632]  ? mark_held_locks+0x130/0x130
[  642.402869]  ? mark_held_locks+0xc7/0x130
[  642.407016]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  642.412030]  ? zap_class+0x640/0x640
[  642.415736]  ? print_usage_bug+0xc0/0xc0
[  642.419796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.425330]  ? check_preemption_disabled+0x48/0x280
[  642.430345]  ? __lock_is_held+0xb5/0x140
[  642.434407]  __alloc_pages_nodemask+0xad8/0xea0
[  642.439081]  ? zap_class+0x640/0x640
[  642.442792]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  642.447812]  ? find_held_lock+0x36/0x1c0
[  642.451875]  ? ____cache_alloc_node+0x1c7/0x1e0
[  642.456539]  ? lock_downgrade+0x900/0x900
[  642.460700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.466234]  cache_grow_begin+0xa5/0x8c0
[  642.470352]  ? do_raw_spin_unlock+0xa7/0x330
[  642.474759]  fallback_alloc+0x204/0x2e0
[  642.478731]  ____cache_alloc_node+0x1c7/0x1e0
[  642.483225]  kmem_cache_alloc_node+0xe3/0x730
[  642.487713]  ? ipv6_get_ifaddr+0x42e/0x620
[  642.491951]  __alloc_skb+0x119/0x770
[  642.495655]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  642.500942]  ? netdev_alloc_frag+0x1f0/0x1f0
[  642.505346]  ? lock_downgrade+0x900/0x900
[  642.509498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.515028]  ? refcount_sub_and_test_checked+0x203/0x310
[  642.520475]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  642.525926]  ? addrconf_rs_timer+0x690/0x690
[  642.530338]  ndisc_alloc_skb+0x144/0x340
[  642.534395]  ndisc_send_rs+0x331/0x6e0
[  642.538283]  addrconf_rs_timer+0x314/0x690
[  642.542519]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  642.546755]  call_timer_fn+0x272/0x920
[  642.550633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  642.554863]  ? process_timeout+0x40/0x40
[  642.558931]  ? mark_held_locks+0xc7/0x130
[  642.563072]  ? _raw_spin_unlock_irq+0x27/0x80
[  642.567565]  ? _raw_spin_unlock_irq+0x27/0x80
[  642.572050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  642.576283]  ? lockdep_hardirqs_on+0x296/0x5b0
[  642.580878]  ? trace_hardirqs_on+0xbd/0x310
[  642.585203]  ? kasan_check_read+0x11/0x20
[  642.589346]  ? __run_timers+0x7da/0xc70
[  642.593316]  ? trace_hardirqs_off_caller+0x310/0x310
[  642.598416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  642.602653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  642.606883]  __run_timers+0x7e5/0xc70
[  642.610692]  ? timer_fixup_init+0x70/0x70
[  642.614833]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  642.619843]  ? zap_class+0x640/0x640
[  642.623556]  ? print_usage_bug+0xc0/0xc0
[  642.627611]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  642.632799]  ? find_held_lock+0x36/0x1c0
[  642.636855]  ? zap_class+0x640/0x640
[  642.640567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.646100]  ? check_preemption_disabled+0x48/0x280
[  642.651123]  ? __lock_is_held+0xb5/0x140
[  642.655194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.660725]  ? check_preemption_disabled+0x48/0x280
[  642.665738]  run_timer_softirq+0x52/0xb0
[  642.669792]  ? rcu_read_lock_sched_held+0x14f/0x180
[  642.674803]  __do_softirq+0x308/0xb7e
[  642.678600]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  642.683093]  ? lock_downgrade+0x900/0x900
[  642.687241]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  642.692353]  ? pvclock_read_flags+0x160/0x160
[  642.696844]  ? lapic_next_event+0x5a/0x90
[  642.700986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.706518]  ? kvm_clock_read+0x18/0x30
[  642.710503]  ? kvm_sched_clock_read+0x9/0x20
[  642.714916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.720447]  ? check_preemption_disabled+0x48/0x280
[  642.725464]  irq_exit+0x17f/0x1c0
[  642.728915]  smp_apic_timer_interrupt+0x1cb/0x760
[  642.733753]  ? smp_call_function_single_interrupt+0x159/0x650
[  642.739644]  ? smp_call_function_single_interrupt+0x650/0x650
[  642.745519]  ? interrupt_entry+0xb5/0xc0
[  642.749574]  ? trace_hardirqs_off_caller+0xbb/0x310
[  642.754585]  ? trace_hardirqs_off_caller+0xbb/0x310
[  642.759599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.764433]  ? trace_hardirqs_on_caller+0x310/0x310
[  642.769444]  ? trace_hardirqs_on_caller+0x310/0x310
[  642.774452]  ? task_prio+0x50/0x50
[  642.777987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.783517]  ? check_preemption_disabled+0x48/0x280
[  642.788533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.793375]  apic_timer_interrupt+0xf/0x20
[  642.797599]  </IRQ>
[  642.799833] RIP: 0010:smp_call_function_single+0x30a/0x660
[  642.805455] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  642.824356] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  642.832062] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  642.839324] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  642.846586] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  642.853846] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  642.861116] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  642.868396]  ? smp_call_function_single+0x351/0x660
[  642.873403]  ? smp_call_function_single+0x300/0x660
[  642.878417]  ? rcu_note_context_switch+0x12ad/0x2150
[  642.883509]  ? retint_kernel+0x2d/0x2d
[  642.887388]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  642.893270]  ? generic_exec_single+0x5f0/0x5f0
[  642.897850]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  642.903733]  ? zap_class+0x640/0x640
[  642.907450]  ? smp_call_function_single+0x302/0x660
[  642.912567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.918098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.923631]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  642.928643]  ? find_next_and_bit+0x183/0x1e0
[  642.933053]  smp_call_function_many+0x911/0xae0
[  642.937713]  ? __lock_acquire+0x62f/0x4c20
[  642.941942]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  642.947823]  ? _raw_spin_unlock_irq+0x27/0x80
[  642.952313]  ? _raw_spin_unlock_irq+0x27/0x80
[  642.956801]  ? smp_call_function_single_async+0x370/0x370
[  642.962334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.967877]  ? check_preemption_disabled+0x48/0x280
[  642.972925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.978470]  ? check_preemption_disabled+0x48/0x280
[  642.983486]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  642.989368]  on_each_cpu_mask+0x41/0x240
[  642.993437]  ? x86_configure_nx+0x110/0x110
[  642.997758]  on_each_cpu_cond_mask+0x171/0x210
[  643.002336]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  643.008213]  ? on_each_cpu_mask+0x240/0x240
[  643.012540]  native_flush_tlb_others+0x2ea/0x690
[  643.017294]  ? initialize_tlbstate_and_flush+0x380/0x380
[  643.022747]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  643.027753]  ? find_next_bit+0x104/0x130
[  643.031808]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.037338]  ? find_next_bit+0x104/0x130
[  643.041400]  ? cpumask_next+0x41/0x50
[  643.045197]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  643.050208]  ? cpumask_any_but+0xb1/0xe0
[  643.054266]  flush_tlb_mm_range+0x2fe/0x5d0
[  643.058581]  ? fault_around_bytes_set+0x90/0x90
[  643.063249]  ? native_flush_tlb_others+0x690/0x690
[  643.068177]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  643.073712]  ? alloc_pages_current+0x17b/0x350
[  643.078290]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.083823]  ? __tlb_remove_page_size+0x187/0x500
[  643.088663]  unmap_page_range+0x1eef/0x2930
[  643.093000]  ? vm_normal_page_pmd+0x510/0x510
[  643.097495]  ? mark_held_locks+0x130/0x130
[  643.101728]  ? finish_task_switch+0x1f4/0x910
[  643.106217]  ? finish_task_switch+0x1b4/0x910
[  643.110702]  ? __switch_to_asm+0x34/0x70
[  643.114768]  ? zap_class+0x640/0x640
[  643.118481]  ? prepare_to_wait_event+0x39f/0xa10
[  643.123231]  ? tlb_table_flush+0xb4/0x5c0
[  643.127371]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  643.132467]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  643.137567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.143097]  ? tlb_flush_mmu_free+0x105/0x170
[  643.147595]  ? tlb_flush_mmu+0x58/0x520
[  643.151565]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  643.156056]  ? kasan_check_write+0x14/0x20
[  643.160284]  ? tlb_finish_mmu+0x166/0x1f0
[  643.164432]  ? tlb_gather_mmu+0x440/0x440
[  643.168596]  ? kasan_check_write+0x14/0x20
[  643.172833]  __oom_reap_task_mm+0xf7/0x410
[  643.177070]  ? process_shares_mm+0x460/0x460
[  643.181490]  oom_reaper+0x2b7/0x11e0
[  643.185227]  ? __oom_reap_task_mm+0x410/0x410
[  643.189718]  ? lock_pin_lock+0x350/0x350
[  643.193773]  ? finish_wait+0x430/0x430
[  643.197692]  ? __schedule+0x168a/0x21d0
[  643.201662]  ? __switch_to_asm+0x40/0x70
[  643.205717]  ? __switch_to_asm+0x40/0x70
[  643.209777]  ? zap_class+0x640/0x640
[  643.213494]  ? __sched_text_start+0x8/0x8
[  643.217646]  ? find_held_lock+0x36/0x1c0
[  643.221714]  ? __kthread_parkme+0xce/0x1a0
[  643.226253]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  643.231352]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  643.236472]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  643.241072]  ? trace_hardirqs_on+0xbd/0x310
[  643.245395]  ? kasan_check_read+0x11/0x20
[  643.249541]  ? __kthread_parkme+0xce/0x1a0
[  643.253777]  ? trace_hardirqs_off_caller+0x310/0x310
[  643.258878]  ? preempt_schedule+0x4d/0x60
[  643.263028]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  643.268126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.273657]  ? __kthread_parkme+0xfb/0x1a0
[  643.277886]  ? __oom_reap_task_mm+0x410/0x410
[  643.282378]  kthread+0x35a/0x440
[  643.285739]  ? kthread_stop+0x900/0x900
[  643.289707]  ret_from_fork+0x3a/0x50
[  643.293425] warn_alloc_show_mem: 1 callbacks suppressed
[  643.293434] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  643.293436] Mem-Info:
[  643.293467] active_anon:44214 inactive_anon:199 isolated_anon:0
[  643.293467]  active_file:6 inactive_file:21 isolated_file:0
[  643.293467]  unevictable:0 dirty:0 writeback:0 unstable:0
[  643.293467]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  643.293467]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  643.293467]  free:13686 free_pcp:384 free_cma:0
[  643.298790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  643.298797] Call Trace:
[  643.306171] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  643.308547]  <IRQ>
[  643.341842] 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
[  643.351189]  dump_stack+0x244/0x39d
[  643.353738] lowmem_reserve[]: 0 2818 6321 6321
[  643.381060]  ? dump_stack_print_info.cold.1+0x20/0x20
[  643.383183] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  643.409280]  ? __wake_up+0xe/0x10
[  643.412875] lowmem_reserve[]: 0 0 3503 3503
[  643.417459]  warn_alloc.cold.116+0xb7/0x1bd
[  643.422617] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  643.450569]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  643.453991] lowmem_reserve[]: 0 0 0 0
[  643.458300]  ? lock_downgrade+0x900/0x900
[  643.462598] 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
[  643.491571]  ? trace_hardirqs_off+0xb8/0x310
[  643.496381] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  643.500171]  ? trace_hardirqs_off+0xb8/0x310
[  643.504288] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  643.517802]  __alloc_pages_slowpath+0x2651/0x2de0
[  643.522195] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  643.537381]  ? warn_alloc+0x120/0x120
[  643.541748] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  643.555438]  ? warn_alloc+0x120/0x120
[  643.560250] 271 total pagecache pages
[  643.569071]  ? __lock_acquire+0x62f/0x4c20
[  643.572856] 0 pages in swap cache
[  643.581408]  ? warn_alloc+0x120/0x120
[  643.585177] Swap cache stats: add 0, delete 0, find 0/0
[  643.585184] Free swap  = 0kB
[  643.588970]  ? print_usage_bug+0xc0/0xc0
[  643.593175] Total swap = 0kB
[  643.593182] 1965979 pages RAM
[  643.596619]  ? print_usage_bug+0xc0/0xc0
[  643.600387] 0 pages HighMem/MovableOnly
[  643.600394] 342854 pages reserved
[  643.605743]  ? mark_held_locks+0x130/0x130
[  643.608734] 0 pages cma reserved
[  643.612782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.615824] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  643.618860]  ? should_fail+0x22d/0xd01
[  643.622991] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  643.626850]  ? zap_class+0x640/0x640
[  643.630275] oom_reaper cpuset=/ mems_allowed=0
[  643.634498]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  643.677259]  ? __lock_acquire+0x62f/0x4c20
[  643.681498]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  643.686602]  ? should_fail+0x22d/0xd01
[  643.690492]  ? mark_held_locks+0x130/0x130
[  643.694725]  ? mark_held_locks+0x130/0x130
[  643.698954]  ? lock_downgrade+0x900/0x900
[  643.703099]  ? zap_class+0x640/0x640
[  643.706814]  ? zap_class+0x640/0x640
[  643.710525]  ? zap_class+0x640/0x640
[  643.714229]  ? do_raw_spin_unlock+0xa7/0x330
[  643.718631]  ? trace_hardirqs_on+0x310/0x310
[  643.723033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.728573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.734142]  ? check_preemption_disabled+0x48/0x280
[  643.739160]  ? __lock_is_held+0xb5/0x140
[  643.743219]  __alloc_pages_nodemask+0xad8/0xea0
[  643.747879]  ? zap_class+0x640/0x640
[  643.751593]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  643.756615]  ? find_held_lock+0x36/0x1c0
[  643.760681]  ? ____cache_alloc_node+0x1c7/0x1e0
[  643.765342]  ? lock_downgrade+0x900/0x900
[  643.769490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.775027]  cache_grow_begin+0xa5/0x8c0
[  643.779080]  ? do_raw_spin_unlock+0xa7/0x330
[  643.783492]  fallback_alloc+0x204/0x2e0
[  643.787467]  ____cache_alloc_node+0x1c7/0x1e0
[  643.791960]  kmem_cache_alloc_node+0xe3/0x730
[  643.796449]  ? lockdep_hardirqs_on+0x296/0x5b0
[  643.801035]  __alloc_skb+0x119/0x770
[  643.804740]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  643.810100]  ? netdev_alloc_frag+0x1f0/0x1f0
[  643.814507]  ? vprintk_default+0x28/0x30
[  643.818565]  ? vprintk_func+0x85/0x181
[  643.822450]  ? printk+0xa7/0xcf
[  643.825726]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  643.830480]  new_skb+0x26/0x1c0
[  643.833756]  aoecmd_cfg+0x279/0x7f0
[  643.837376]  ? find_held_lock+0x36/0x1c0
[  643.841431]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  643.845751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.851289]  ? __lock_is_held+0xb5/0x140
[  643.855353]  discover_timer+0x50/0x60
[  643.859491]  call_timer_fn+0x272/0x920
[  643.863372]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  643.868206]  ? process_timeout+0x40/0x40
[  643.872265]  ? __run_timers+0x7da/0xc70
[  643.876233]  ? _raw_spin_unlock_irq+0x27/0x80
[  643.880725]  ? _raw_spin_unlock_irq+0x27/0x80
[  643.885214]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  643.890054]  ? lockdep_hardirqs_on+0x296/0x5b0
[  643.894640]  ? trace_hardirqs_on+0xbd/0x310
[  643.898957]  ? kasan_check_read+0x11/0x20
[  643.903099]  ? __run_timers+0x7da/0xc70
[  643.907072]  ? trace_hardirqs_off_caller+0x310/0x310
[  643.912183]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  643.917018]  __run_timers+0x7e5/0xc70
[  643.920822]  ? timer_fixup_init+0x70/0x70
[  643.924964]  ? lock_acquire+0x1ed/0x520
[  643.928936]  ? zap_class+0x640/0x640
[  643.932645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.938182]  ? kasan_check_read+0x11/0x20
[  643.942323]  ? do_raw_spin_lock+0x14f/0x350
[  643.946649]  ? find_held_lock+0x36/0x1c0
[  643.950713]  ? zap_class+0x640/0x640
[  643.954422]  ? pvclock_read_flags+0x160/0x160
[  643.958911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.964443]  ? check_preemption_disabled+0x48/0x280
[  643.969459]  ? __lock_is_held+0xb5/0x140
[  643.973512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.979048]  ? check_preemption_disabled+0x48/0x280
[  643.984061]  run_timer_softirq+0x52/0xb0
[  643.988118]  ? rcu_read_lock_sched_held+0x14f/0x180
[  643.993129]  __do_softirq+0x308/0xb7e
[  643.996924]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  644.001412]  ? lock_downgrade+0x900/0x900
[  644.005563]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  644.010669]  ? pvclock_read_flags+0x160/0x160
[  644.015163]  ? lapic_next_event+0x5a/0x90
[  644.019309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.024848]  ? kvm_clock_read+0x18/0x30
[  644.028815]  ? kvm_sched_clock_read+0x9/0x20
[  644.033223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.038758]  ? check_preemption_disabled+0x48/0x280
[  644.043787]  irq_exit+0x17f/0x1c0
[  644.047235]  smp_apic_timer_interrupt+0x1cb/0x760
[  644.052076]  ? smp_call_function_single_interrupt+0x159/0x650
[  644.058259]  ? smp_call_function_single_interrupt+0x650/0x650
[  644.064142]  ? interrupt_entry+0xb5/0xc0
[  644.068199]  ? trace_hardirqs_off_caller+0xbb/0x310
[  644.073209]  ? trace_hardirqs_off_caller+0xbb/0x310
[  644.078218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.083057]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.088067]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.093074]  ? task_prio+0x50/0x50
[  644.096613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.102149]  ? check_preemption_disabled+0x48/0x280
[  644.107163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.112020]  apic_timer_interrupt+0xf/0x20
[  644.116242]  </IRQ>
[  644.118475] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  644.123402] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  644.142294] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  644.149997] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  644.157259] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  644.164522] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  644.171787] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  644.179046] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  644.186342]  skb_clone+0x1bb/0x500
[  644.189876]  ? finish_task_switch+0x1b4/0x910
[  644.194365]  ? skb_split+0x11e0/0x11e0
[  644.198248]  ? preempt_notifier_register+0x200/0x200
[  644.203345]  ? __switch_to_asm+0x34/0x70
[  644.207397]  ? __switch_to_asm+0x34/0x70
[  644.211449]  ? __switch_to_asm+0x40/0x70
[  644.215501]  ? __switch_to_asm+0x34/0x70
[  644.219557]  ? __switch_to_asm+0x40/0x70
[  644.223610]  ? __switch_to_asm+0x34/0x70
[  644.227663]  ? __switch_to_asm+0x40/0x70
[  644.231715]  ? __switch_to_asm+0x34/0x70
[  644.235773]  ? __switch_to_asm+0x34/0x70
[  644.239830]  ? __switch_to_asm+0x40/0x70
[  644.243881]  ? __switch_to_asm+0x34/0x70
[  644.247940]  bpf_clone_redirect+0xb9/0x490
[  644.252173]  ? __schedule+0x8d7/0x21d0
[  644.256059]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  644.261071]  ? __sched_text_start+0x8/0x8
[  644.265214]  ? retint_kernel+0x2d/0x2d
[  644.269102]  ? find_held_lock+0x36/0x1c0
[  644.273162]  ? lock_acquire+0x1ed/0x520
[  644.277132]  ? bpf_test_run+0x3ee/0x7a0
[  644.281100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.286633]  ? check_preemption_disabled+0x48/0x280
[  644.291650]  ? kasan_check_read+0x11/0x20
[  644.295789]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  644.301058]  ? rcu_softirq_qs+0x20/0x20
[  644.305027]  ? preempt_schedule+0x4d/0x60
[  644.309172]  ? ___preempt_schedule+0x16/0x18
[  644.313580]  ? bpf_test_run+0x271/0x7a0
[  644.317560]  ? netlink_diag_dump+0x2a0/0x2a0
[  644.321967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.327500]  ? bpf_test_init.isra.10+0x70/0x100
[  644.332171]  ? bpf_prog_test_run_skb+0x762/0xd60
[  644.336933]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  644.341778]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  644.347310]  ? fput+0x130/0x1a0
[  644.350586]  ? __bpf_prog_get+0x9b/0x290
[  644.354643]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  644.359479]  ? bpf_prog_test_run+0x130/0x1a0
[  644.363885]  ? __x64_sys_bpf+0x3d8/0x520
[  644.367943]  ? bpf_prog_get+0x20/0x20
[  644.371759]  ? do_syscall_64+0x1b9/0x820
[  644.375813]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  644.381171]  ? syscall_return_slowpath+0x5e0/0x5e0
[  644.386097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.390939]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.395954]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  644.400965]  ? prepare_exit_to_usermode+0x291/0x3b0
[  644.405979]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.410823]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  644.416194] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  644.416251] aoe: skb alloc failure
[  644.423214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  644.423219] Call Trace:
[  644.423224]  <IRQ>
[  644.423239]  dump_stack+0x244/0x39d
[  644.423258]  ? dump_stack_print_info.cold.1+0x20/0x20
[  644.426795] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  644.436110]  ? __wake_up+0xe/0x10
[  644.438668] syz-executor0 cpuset=syz0 mems_allowed=0
[  644.440811]  warn_alloc.cold.116+0xb7/0x1bd
[  644.472856]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  644.477696]  ? lock_downgrade+0x900/0x900
[  644.481850]  ? trace_hardirqs_off+0xb8/0x310
[  644.486258]  ? trace_hardirqs_off+0xb8/0x310
[  644.490666]  __alloc_pages_slowpath+0x2651/0x2de0
[  644.495526]  ? warn_alloc+0x120/0x120
[  644.499325]  ? __lock_is_held+0xb5/0x140
[  644.503383]  ? warn_alloc+0x120/0x120
[  644.507183]  ? warn_alloc+0x120/0x120
[  644.510983]  ? print_usage_bug+0xc0/0xc0
[  644.515046]  ? print_usage_bug+0xc0/0xc0
[  644.519105]  ? find_held_lock+0x36/0x1c0
[  644.523160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.528689]  ? should_fail+0x22d/0xd01
[  644.532575]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  644.537675]  ? __lock_acquire+0x62f/0x4c20
[  644.541910]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  644.547012]  ? should_fail+0x22d/0xd01
[  644.550894]  ? print_usage_bug+0xc0/0xc0
[  644.554959]  ? mark_held_locks+0x130/0x130
[  644.559194]  ? mark_held_locks+0x130/0x130
[  644.563423]  ? print_usage_bug+0xc0/0xc0
[  644.567481]  ? update_stack_state+0x1a5/0x690
[  644.571977]  ? zap_class+0x640/0x640
[  644.575690]  ? ret_from_fork+0x3a/0x50
[  644.579580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.585111]  ? check_preemption_disabled+0x48/0x280
[  644.590128]  ? __lock_is_held+0xb5/0x140
[  644.594188]  __alloc_pages_nodemask+0xad8/0xea0
[  644.598851]  ? zap_class+0x640/0x640
[  644.602560]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  644.607576]  ? find_held_lock+0x36/0x1c0
[  644.611636]  ? ____cache_alloc_node+0x1c7/0x1e0
[  644.616297]  ? lock_downgrade+0x900/0x900
[  644.620443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.625980]  cache_grow_begin+0xa5/0x8c0
[  644.630032]  ? do_raw_spin_unlock+0xa7/0x330
[  644.634439]  fallback_alloc+0x204/0x2e0
[  644.638412]  ____cache_alloc_node+0x1c7/0x1e0
[  644.642906]  kmem_cache_alloc_node+0xe3/0x730
[  644.647393]  ? mark_held_locks+0xc7/0x130
[  644.651543]  __alloc_skb+0x119/0x770
[  644.655262]  ? netdev_alloc_frag+0x1f0/0x1f0
[  644.659660]  ? do_raw_spin_trylock+0x270/0x270
[  644.664234]  ? kmem_cache_alloc_trace+0x353/0x750
[  644.669075]  ? queue_work_on+0x12c/0x1e0
[  644.673140]  ? switchdev_port_obj_del+0xdc/0x440
[  644.677891]  ? switchdev_trans_item_enqueue+0x260/0x260
[  644.683246]  ? mod_timer+0x631/0x1560
[  644.687037]  ? wake_up_klogd+0x180/0x180
[  644.691092]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  644.696106]  __br_mdb_notify+0x4ff/0x15d0
[  644.700260]  ? __br_mdb_add+0x7f0/0x7f0
[  644.704243]  ? zap_class+0x640/0x640
[  644.707957]  ? br_multicast_group_expired+0x96/0x610
[  644.713062]  br_mdb_notify+0x310/0x410
[  644.716961]  ? br_mdb_dump+0x27b0/0x27b0
[  644.721029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.726565]  br_multicast_group_expired+0x1bc/0x610
[  644.731578]  ? br_mdb_free+0x80/0x80
[  644.735293]  call_timer_fn+0x272/0x920
[  644.739177]  ? br_mdb_free+0x80/0x80
[  644.742884]  ? process_timeout+0x40/0x40
[  644.746947]  ? mark_held_locks+0xc7/0x130
[  644.751096]  ? _raw_spin_unlock_irq+0x27/0x80
[  644.755583]  ? _raw_spin_unlock_irq+0x27/0x80
[  644.760070]  ? br_mdb_free+0x80/0x80
[  644.763779]  ? lockdep_hardirqs_on+0x296/0x5b0
[  644.768357]  ? trace_hardirqs_on+0xbd/0x310
[  644.772676]  ? kasan_check_read+0x11/0x20
[  644.776821]  ? __run_timers+0x7da/0xc70
[  644.780793]  ? trace_hardirqs_off_caller+0x310/0x310
[  644.785904]  ? br_mdb_free+0x80/0x80
[  644.789608]  __run_timers+0x7e5/0xc70
[  644.793415]  ? timer_fixup_init+0x70/0x70
[  644.797556]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  644.802565]  ? zap_class+0x640/0x640
[  644.806290]  ? print_usage_bug+0xc0/0xc0
[  644.810347]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  644.815536]  ? find_held_lock+0x36/0x1c0
[  644.819597]  ? zap_class+0x640/0x640
[  644.823316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.828861]  ? check_preemption_disabled+0x48/0x280
[  644.833878]  ? __lock_is_held+0xb5/0x140
[  644.837933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.843470]  ? check_preemption_disabled+0x48/0x280
[  644.848487]  run_timer_softirq+0x52/0xb0
[  644.852550]  ? rcu_read_lock_sched_held+0x14f/0x180
[  644.857559]  __do_softirq+0x308/0xb7e
[  644.861360]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  644.865849]  ? lock_downgrade+0x900/0x900
[  644.869995]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  644.875400]  ? pvclock_read_flags+0x160/0x160
[  644.879890]  ? lapic_next_event+0x5a/0x90
[  644.884037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.889570]  ? kvm_clock_read+0x18/0x30
[  644.893538]  ? kvm_sched_clock_read+0x9/0x20
[  644.897940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.903482]  ? check_preemption_disabled+0x48/0x280
[  644.908500]  irq_exit+0x17f/0x1c0
[  644.911953]  smp_apic_timer_interrupt+0x1cb/0x760
[  644.916788]  ? smp_call_function_single_interrupt+0x159/0x650
[  644.922666]  ? smp_call_function_single_interrupt+0x650/0x650
[  644.928550]  ? interrupt_entry+0xb5/0xc0
[  644.932608]  ? trace_hardirqs_off_caller+0xbb/0x310
[  644.937616]  ? trace_hardirqs_off_caller+0xbb/0x310
[  644.942624]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.947460]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.952467]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.957488]  ? task_prio+0x50/0x50
[  644.961027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.966557]  ? check_preemption_disabled+0x48/0x280
[  644.971571]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.976417]  apic_timer_interrupt+0xf/0x20
[  644.980636]  </IRQ>
[  644.982873] RIP: 0010:smp_call_function_single+0x30a/0x660
[  644.988491] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  645.007384] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  645.015088] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  645.022347] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  645.029608] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  645.036867] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  645.044126] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  645.051401]  ? smp_call_function_single+0x351/0x660
[  645.056413]  ? smp_call_function_single+0x300/0x660
[  645.061431]  ? rcu_note_context_switch+0x12ad/0x2150
[  645.066526]  ? retint_kernel+0x2d/0x2d
[  645.070408]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  645.076288]  ? generic_exec_single+0x5f0/0x5f0
[  645.080863]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  645.086755]  ? zap_class+0x640/0x640
[  645.090465]  ? smp_call_function_single+0x302/0x660
[  645.095478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.101014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.106547]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  645.111586]  ? find_next_and_bit+0x183/0x1e0
[  645.115999]  smp_call_function_many+0x911/0xae0
[  645.120664]  ? __lock_acquire+0x62f/0x4c20
[  645.124900]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  645.130780]  ? _raw_spin_unlock_irq+0x27/0x80
[  645.135264]  ? _raw_spin_unlock_irq+0x27/0x80
[  645.139757]  ? smp_call_function_single_async+0x370/0x370
[  645.145297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.150839]  ? check_preemption_disabled+0x48/0x280
[  645.155851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.161381]  ? check_preemption_disabled+0x48/0x280
[  645.166397]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  645.172275]  on_each_cpu_mask+0x41/0x240
[  645.176330]  ? x86_configure_nx+0x110/0x110
[  645.180645]  on_each_cpu_cond_mask+0x171/0x210
[  645.185226]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  645.191105]  ? on_each_cpu_mask+0x240/0x240
[  645.195427]  native_flush_tlb_others+0x2ea/0x690
[  645.200178]  ? initialize_tlbstate_and_flush+0x380/0x380
[  645.205625]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  645.210632]  ? find_next_bit+0x104/0x130
[  645.214700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.220226]  ? find_next_bit+0x104/0x130
[  645.224471]  ? cpumask_next+0x41/0x50
[  645.228272]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  645.233281]  ? cpumask_any_but+0xb1/0xe0
[  645.237338]  flush_tlb_mm_range+0x2fe/0x5d0
[  645.241653]  ? fault_around_bytes_set+0x90/0x90
[  645.246326]  ? native_flush_tlb_others+0x690/0x690
[  645.251332]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  645.256887]  ? alloc_pages_current+0x17b/0x350
[  645.261471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.267002]  ? __tlb_remove_page_size+0x187/0x500
[  645.271846]  unmap_page_range+0x1eef/0x2930
[  645.276186]  ? vm_normal_page_pmd+0x510/0x510
[  645.280697]  ? mark_held_locks+0x130/0x130
[  645.284930]  ? finish_task_switch+0x1f4/0x910
[  645.289418]  ? finish_task_switch+0x1b4/0x910
[  645.293906]  ? __switch_to_asm+0x34/0x70
[  645.297978]  ? zap_class+0x640/0x640
[  645.301689]  ? prepare_to_wait_event+0x39f/0xa10
[  645.306435]  ? tlb_table_flush+0xb4/0x5c0
[  645.310579]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  645.315682]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  645.320792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.326322]  ? tlb_flush_mmu_free+0x105/0x170
[  645.330811]  ? tlb_flush_mmu+0x58/0x520
[  645.334783]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  645.339277]  ? kasan_check_write+0x14/0x20
[  645.343507]  ? tlb_finish_mmu+0x166/0x1f0
[  645.347655]  ? tlb_gather_mmu+0x440/0x440
[  645.351804]  ? kasan_check_write+0x14/0x20
[  645.356037]  __oom_reap_task_mm+0xf7/0x410
[  645.360278]  ? process_shares_mm+0x460/0x460
[  645.364706]  oom_reaper+0x2b7/0x11e0
[  645.368420]  ? __oom_reap_task_mm+0x410/0x410
[  645.372910]  ? lock_pin_lock+0x350/0x350
[  645.376968]  ? finish_wait+0x430/0x430
[  645.380860]  ? __schedule+0x168a/0x21d0
[  645.384826]  ? __switch_to_asm+0x40/0x70
[  645.388878]  ? __switch_to_asm+0x40/0x70
[  645.392942]  ? zap_class+0x640/0x640
[  645.396671]  ? __sched_text_start+0x8/0x8
[  645.400826]  ? find_held_lock+0x36/0x1c0
[  645.404897]  ? __kthread_parkme+0xce/0x1a0
[  645.409131]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  645.414229]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  645.419326]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  645.423909]  ? trace_hardirqs_on+0xbd/0x310
[  645.428222]  ? kasan_check_read+0x11/0x20
[  645.432363]  ? __kthread_parkme+0xce/0x1a0
[  645.436595]  ? trace_hardirqs_off_caller+0x310/0x310
[  645.441695]  ? preempt_schedule+0x4d/0x60
[  645.445841]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  645.450940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.456474]  ? __kthread_parkme+0xfb/0x1a0
[  645.460702]  ? __oom_reap_task_mm+0x410/0x410
[  645.465190]  kthread+0x35a/0x440
[  645.468554]  ? kthread_stop+0x900/0x900
[  645.472523]  ret_from_fork+0x3a/0x50
[  645.476244] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  645.476248] warn_alloc_show_mem: 1 callbacks suppressed
[  645.476254] Mem-Info:
[  645.483601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  645.488960] active_anon:44214 inactive_anon:199 isolated_anon:0
[  645.488960]  active_file:6 inactive_file:21 isolated_file:0
[  645.488960]  unevictable:0 dirty:0 writeback:0 unstable:0
[  645.488960]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  645.488960]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  645.488960]  free:13686 free_pcp:384 free_cma:0
[  645.491327] Call Trace:
[  645.500704] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  645.533450]  <IRQ>
[  645.536014] 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
[  645.563323]  dump_stack+0x244/0x39d
[  645.565443] lowmem_reserve[]: 0 2818 6321 6321
[  645.591553]  ? dump_stack_print_info.cold.1+0x20/0x20
[  645.595150] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  645.599725]  ? __wake_up+0xe/0x10
[  645.604882] lowmem_reserve[]: 0 0 3503 3503
[  645.632203]  warn_alloc.cold.116+0xb7/0x1bd
[  645.635633] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  645.639946]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  645.644229] lowmem_reserve[]: 0 0 0 0
[  645.673195]  ? lock_downgrade+0x900/0x900
[  645.678006] 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
[  645.681798]  ? trace_hardirqs_off+0xb8/0x310
[  645.685909] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  645.699428]  ? trace_hardirqs_off+0xb8/0x310
[  645.703806] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  645.718973]  __alloc_pages_slowpath+0x2651/0x2de0
[  645.723351] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  645.736963]  ? warn_alloc+0x120/0x120
[  645.741763] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  645.750579]  ? warn_alloc+0x120/0x120
[  645.754350] 271 total pagecache pages
[  645.762913]  ? __lock_acquire+0x62f/0x4c20
[  645.766691] 0 pages in swap cache
[  645.770471]  ? warn_alloc+0x120/0x120
[  645.774679] Swap cache stats: add 0, delete 0, find 0/0
[  645.778115]  ? print_usage_bug+0xc0/0xc0
[  645.781890] Free swap  = 0kB
[  645.787239]  ? print_usage_bug+0xc0/0xc0
[  645.791269] Total swap = 0kB
[  645.794273]  ? mark_held_locks+0x130/0x130
[  645.798306] 1965979 pages RAM
[  645.801314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.805510] 0 pages HighMem/MovableOnly
[  645.805517] 342854 pages reserved
[  645.808614]  ? should_fail+0x22d/0xd01
[  645.814125] 0 pages cma reserved
[  645.814245] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  645.818086]  ? zap_class+0x640/0x640
[  645.818104]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  645.823264] oom_reaper cpuset=/ mems_allowed=0
[  645.827140]  ? __lock_acquire+0x62f/0x4c20
[  645.858266]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  645.863360]  ? should_fail+0x22d/0xd01
[  645.867253]  ? mark_held_locks+0x130/0x130
[  645.871479]  ? mark_held_locks+0x130/0x130
[  645.875705]  ? lock_downgrade+0x900/0x900
[  645.879847]  ? zap_class+0x640/0x640
[  645.883553]  ? zap_class+0x640/0x640
[  645.887262]  ? zap_class+0x640/0x640
[  645.890972]  ? do_raw_spin_unlock+0xa7/0x330
[  645.895386]  ? trace_hardirqs_on+0x310/0x310
[  645.899793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.905323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.910856]  ? check_preemption_disabled+0x48/0x280
[  645.915876]  ? __lock_is_held+0xb5/0x140
[  645.919938]  __alloc_pages_nodemask+0xad8/0xea0
[  645.924606]  ? zap_class+0x640/0x640
[  645.928316]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  645.933337]  ? find_held_lock+0x36/0x1c0
[  645.937404]  ? ____cache_alloc_node+0x1c7/0x1e0
[  645.942071]  ? lock_downgrade+0x900/0x900
[  645.946218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.951755]  cache_grow_begin+0xa5/0x8c0
[  645.955809]  ? do_raw_spin_unlock+0xa7/0x330
[  645.960216]  fallback_alloc+0x204/0x2e0
[  645.964187]  ____cache_alloc_node+0x1c7/0x1e0
[  645.968684]  kmem_cache_alloc_node+0xe3/0x730
[  645.973173]  ? lockdep_hardirqs_on+0x296/0x5b0
[  645.977754]  __alloc_skb+0x119/0x770
[  645.981464]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  645.986829]  ? netdev_alloc_frag+0x1f0/0x1f0
[  645.991236]  ? vprintk_default+0x28/0x30
[  645.995296]  ? vprintk_func+0x85/0x181
[  645.999180]  ? printk+0xa7/0xcf
[  646.002455]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  646.007213]  new_skb+0x26/0x1c0
[  646.010485]  aoecmd_cfg+0x279/0x7f0
[  646.014107]  ? find_held_lock+0x36/0x1c0
[  646.018161]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  646.022479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.028018]  ? __lock_is_held+0xb5/0x140
[  646.032081]  discover_timer+0x50/0x60
[  646.035876]  call_timer_fn+0x272/0x920
[  646.039763]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  646.044606]  ? process_timeout+0x40/0x40
[  646.048666]  ? __run_timers+0x7da/0xc70
[  646.052639]  ? _raw_spin_unlock_irq+0x27/0x80
[  646.057316]  ? _raw_spin_unlock_irq+0x27/0x80
[  646.061810]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  646.066646]  ? lockdep_hardirqs_on+0x296/0x5b0
[  646.071223]  ? trace_hardirqs_on+0xbd/0x310
[  646.075547]  ? kasan_check_read+0x11/0x20
[  646.079699]  ? __run_timers+0x7da/0xc70
[  646.083667]  ? trace_hardirqs_off_caller+0x310/0x310
[  646.088772]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  646.093613]  __run_timers+0x7e5/0xc70
[  646.097415]  ? timer_fixup_init+0x70/0x70
[  646.101561]  ? lock_acquire+0x1ed/0x520
[  646.105535]  ? zap_class+0x640/0x640
[  646.109244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.114779]  ? kasan_check_read+0x11/0x20
[  646.118917]  ? do_raw_spin_lock+0x14f/0x350
[  646.123244]  ? find_held_lock+0x36/0x1c0
[  646.127302]  ? zap_class+0x640/0x640
[  646.131014]  ? pvclock_read_flags+0x160/0x160
[  646.135506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.141039]  ? check_preemption_disabled+0x48/0x280
[  646.146061]  ? __lock_is_held+0xb5/0x140
[  646.150115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.155648]  ? check_preemption_disabled+0x48/0x280
[  646.160661]  run_timer_softirq+0x52/0xb0
[  646.164718]  ? rcu_read_lock_sched_held+0x14f/0x180
[  646.169728]  __do_softirq+0x308/0xb7e
[  646.173527]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  646.178015]  ? lock_downgrade+0x900/0x900
[  646.182161]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  646.187264]  ? pvclock_read_flags+0x160/0x160
[  646.191756]  ? lapic_next_event+0x5a/0x90
[  646.195900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.201434]  ? kvm_clock_read+0x18/0x30
[  646.205414]  ? kvm_sched_clock_read+0x9/0x20
[  646.209818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.215351]  ? check_preemption_disabled+0x48/0x280
[  646.220373]  irq_exit+0x17f/0x1c0
[  646.223821]  smp_apic_timer_interrupt+0x1cb/0x760
[  646.228655]  ? smp_call_function_single_interrupt+0x159/0x650
[  646.234535]  ? smp_call_function_single_interrupt+0x650/0x650
[  646.240415]  ? interrupt_entry+0xb5/0xc0
[  646.244476]  ? trace_hardirqs_off_caller+0xbb/0x310
[  646.249482]  ? trace_hardirqs_off_caller+0xbb/0x310
[  646.254494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  646.259334]  ? trace_hardirqs_on_caller+0x310/0x310
[  646.264346]  ? trace_hardirqs_on_caller+0x310/0x310
[  646.269356]  ? task_prio+0x50/0x50
[  646.272890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.278422]  ? check_preemption_disabled+0x48/0x280
[  646.283438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  646.288282]  apic_timer_interrupt+0xf/0x20
[  646.292507]  </IRQ>
[  646.294740] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  646.299668] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  646.318559] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  646.326265] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  646.333523] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  646.340789] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  646.348050] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  646.355313] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  646.362617]  skb_clone+0x1bb/0x500
[  646.366157]  ? finish_task_switch+0x1b4/0x910
[  646.370645]  ? skb_split+0x11e0/0x11e0
[  646.374525]  ? preempt_notifier_register+0x200/0x200
[  646.379620]  ? __switch_to_asm+0x34/0x70
[  646.383676]  ? __switch_to_asm+0x34/0x70
[  646.387731]  ? __switch_to_asm+0x40/0x70
[  646.391783]  ? __switch_to_asm+0x34/0x70
[  646.395835]  ? __switch_to_asm+0x40/0x70
[  646.399892]  ? __switch_to_asm+0x34/0x70
[  646.403943]  ? __switch_to_asm+0x40/0x70
[  646.407998]  ? __switch_to_asm+0x34/0x70
[  646.412049]  ? __switch_to_asm+0x34/0x70
[  646.416099]  ? __switch_to_asm+0x40/0x70
[  646.420158]  ? __switch_to_asm+0x34/0x70
[  646.424215]  bpf_clone_redirect+0xb9/0x490
[  646.428443]  ? __schedule+0x8d7/0x21d0
[  646.432336]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  646.437345]  ? __sched_text_start+0x8/0x8
[  646.441487]  ? retint_kernel+0x2d/0x2d
[  646.445379]  ? find_held_lock+0x36/0x1c0
[  646.449443]  ? lock_acquire+0x1ed/0x520
[  646.453412]  ? bpf_test_run+0x3ee/0x7a0
[  646.457379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.462908]  ? check_preemption_disabled+0x48/0x280
[  646.467926]  ? kasan_check_read+0x11/0x20
[  646.472065]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.477337]  ? rcu_softirq_qs+0x20/0x20
[  646.481314]  ? preempt_schedule+0x4d/0x60
[  646.485455]  ? ___preempt_schedule+0x16/0x18
[  646.489862]  ? bpf_test_run+0x271/0x7a0
[  646.493861]  ? netlink_diag_dump+0x2a0/0x2a0
[  646.498266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.503799]  ? bpf_test_init.isra.10+0x70/0x100
[  646.508468]  ? bpf_prog_test_run_skb+0x762/0xd60
[  646.513226]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  646.518067]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  646.523596]  ? fput+0x130/0x1a0
[  646.526878]  ? __bpf_prog_get+0x9b/0x290
[  646.530938]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  646.535790]  ? bpf_prog_test_run+0x130/0x1a0
[  646.540193]  ? __x64_sys_bpf+0x3d8/0x520
[  646.544249]  ? bpf_prog_get+0x20/0x20
[  646.548061]  ? do_syscall_64+0x1b9/0x820
[  646.552117]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  646.557475]  ? syscall_return_slowpath+0x5e0/0x5e0
[  646.562399]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  646.567238]  ? trace_hardirqs_on_caller+0x310/0x310
[  646.572247]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  646.577260]  ? prepare_exit_to_usermode+0x291/0x3b0
[  646.582277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  646.587126]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  646.592500] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  646.592563] aoe: skb alloc failure
[  646.599513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  646.599518] Call Trace:
[  646.599524]  <IRQ>
[  646.599546]  dump_stack+0x244/0x39d
[  646.599565]  ? dump_stack_print_info.cold.1+0x20/0x20
[  646.603135] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  646.612423]  ? __wake_up+0xe/0x10
[  646.614977] syz-executor0 cpuset=syz0 mems_allowed=0
[  646.617119]  warn_alloc.cold.116+0xb7/0x1bd
[  646.649432]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  646.654271]  ? lock_downgrade+0x900/0x900
[  646.658420]  ? trace_hardirqs_off+0xb8/0x310
[  646.662836]  ? trace_hardirqs_off+0xb8/0x310
[  646.667242]  __alloc_pages_slowpath+0x2651/0x2de0
[  646.672099]  ? warn_alloc+0x120/0x120
[  646.675901]  ? warn_alloc+0x120/0x120
[  646.679697]  ? warn_alloc+0x120/0x120
[  646.683495]  ? print_usage_bug+0xc0/0xc0
[  646.687556]  ? mark_held_locks+0x130/0x130
[  646.691811]  ? kvm_clock_read+0x18/0x30
[  646.695776]  ? print_usage_bug+0xc0/0xc0
[  646.699844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.705379]  ? should_fail+0x22d/0xd01
[  646.709266]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  646.714361]  ? __lock_acquire+0x62f/0x4c20
[  646.718592]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  646.723686]  ? __lock_acquire+0x62f/0x4c20
[  646.727921]  ? should_fail+0x22d/0xd01
[  646.731812]  ? mark_held_locks+0x130/0x130
[  646.736043]  ? mark_held_locks+0x130/0x130
[  646.740277]  ? zap_class+0x640/0x640
[  646.743987]  ? print_usage_bug+0xc0/0xc0
[  646.748040]  ? find_held_lock+0x36/0x1c0
[  646.752096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.757652]  ? check_preemption_disabled+0x48/0x280
[  646.762668]  ? __lock_is_held+0xb5/0x140
[  646.766727]  __alloc_pages_nodemask+0xad8/0xea0
[  646.771388]  ? zap_class+0x640/0x640
[  646.775104]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  646.780121]  ? find_held_lock+0x36/0x1c0
[  646.784182]  ? ____cache_alloc_node+0x1c7/0x1e0
[  646.788846]  ? lock_downgrade+0x900/0x900
[  646.792995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.798543]  cache_grow_begin+0xa5/0x8c0
[  646.802596]  ? do_raw_spin_unlock+0xa7/0x330
[  646.807002]  fallback_alloc+0x204/0x2e0
[  646.810979]  ____cache_alloc_node+0x1c7/0x1e0
[  646.815472]  kmem_cache_alloc_node+0xe3/0x730
[  646.819962]  ? ipv6_get_ifaddr+0x42e/0x620
[  646.824198]  __alloc_skb+0x119/0x770
[  646.827904]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.833180]  ? netdev_alloc_frag+0x1f0/0x1f0
[  646.837580]  ? lock_downgrade+0x900/0x900
[  646.841728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.847258]  ? refcount_sub_and_test_checked+0x203/0x310
[  646.852705]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  646.858394]  ? addrconf_rs_timer+0x690/0x690
[  646.862814]  ndisc_alloc_skb+0x144/0x340
[  646.866871]  ndisc_send_rs+0x331/0x6e0
[  646.870760]  addrconf_rs_timer+0x314/0x690
[  646.874995]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.879237]  call_timer_fn+0x272/0x920
[  646.883117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.887343]  ? process_timeout+0x40/0x40
[  646.891405]  ? mark_held_locks+0xc7/0x130
[  646.895546]  ? _raw_spin_unlock_irq+0x27/0x80
[  646.900030]  ? _raw_spin_unlock_irq+0x27/0x80
[  646.904528]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.908759]  ? lockdep_hardirqs_on+0x296/0x5b0
[  646.913340]  ? trace_hardirqs_on+0xbd/0x310
[  646.917653]  ? kasan_check_read+0x11/0x20
[  646.921797]  ? __run_timers+0x7da/0xc70
[  646.925783]  ? trace_hardirqs_off_caller+0x310/0x310
[  646.930891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.935120]  __run_timers+0x7e5/0xc70
[  646.938924]  ? timer_fixup_init+0x70/0x70
[  646.943068]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  646.948077]  ? zap_class+0x640/0x640
[  646.951795]  ? print_usage_bug+0xc0/0xc0
[  646.955854]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  646.961042]  ? find_held_lock+0x36/0x1c0
[  646.965104]  ? zap_class+0x640/0x640
[  646.968816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.974345]  ? check_preemption_disabled+0x48/0x280
[  646.979365]  ? __lock_is_held+0xb5/0x140
[  646.983422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.988956]  ? check_preemption_disabled+0x48/0x280
[  646.993970]  run_timer_softirq+0x52/0xb0
[  646.998028]  ? rcu_read_lock_sched_held+0x14f/0x180
[  647.003036]  __do_softirq+0x308/0xb7e
[  647.006836]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  647.011321]  ? lock_downgrade+0x900/0x900
[  647.015470]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  647.020580]  ? pvclock_read_flags+0x160/0x160
[  647.025071]  ? lapic_next_event+0x5a/0x90
[  647.029212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.034747]  ? kvm_clock_read+0x18/0x30
[  647.038717]  ? kvm_sched_clock_read+0x9/0x20
[  647.043121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.048651]  ? check_preemption_disabled+0x48/0x280
[  647.053667]  irq_exit+0x17f/0x1c0
[  647.057115]  smp_apic_timer_interrupt+0x1cb/0x760
[  647.061949]  ? smp_call_function_single_interrupt+0x159/0x650
[  647.067829]  ? smp_call_function_single_interrupt+0x650/0x650
[  647.073705]  ? interrupt_entry+0xb5/0xc0
[  647.077772]  ? trace_hardirqs_off_caller+0xbb/0x310
[  647.082782]  ? trace_hardirqs_off_caller+0xbb/0x310
[  647.087793]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.092637]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.097657]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.102665]  ? task_prio+0x50/0x50
[  647.106202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.111737]  ? check_preemption_disabled+0x48/0x280
[  647.116761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.121605]  apic_timer_interrupt+0xf/0x20
[  647.125827]  </IRQ>
[  647.128061] RIP: 0010:smp_call_function_single+0x30a/0x660
[  647.133687] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  647.152579] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  647.160278] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  647.167540] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  647.174817] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  647.182077] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  647.189353] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  647.196635]  ? smp_call_function_single+0x351/0x660
[  647.201647]  ? smp_call_function_single+0x300/0x660
[  647.206664]  ? rcu_note_context_switch+0x12ad/0x2150
[  647.211761]  ? retint_kernel+0x2d/0x2d
[  647.215647]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  647.221528]  ? generic_exec_single+0x5f0/0x5f0
[  647.226417]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  647.232295]  ? zap_class+0x640/0x640
[  647.236002]  ? smp_call_function_single+0x302/0x660
[  647.241014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.246546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.252077]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  647.257095]  ? find_next_and_bit+0x183/0x1e0
[  647.261511]  smp_call_function_many+0x911/0xae0
[  647.266177]  ? __lock_acquire+0x62f/0x4c20
[  647.270406]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  647.276284]  ? _raw_spin_unlock_irq+0x27/0x80
[  647.280772]  ? _raw_spin_unlock_irq+0x27/0x80
[  647.285266]  ? smp_call_function_single_async+0x370/0x370
[  647.291006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.296541]  ? check_preemption_disabled+0x48/0x280
[  647.301559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.307090]  ? check_preemption_disabled+0x48/0x280
[  647.312104]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  647.317981]  on_each_cpu_mask+0x41/0x240
[  647.322037]  ? x86_configure_nx+0x110/0x110
[  647.326353]  on_each_cpu_cond_mask+0x171/0x210
[  647.330929]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  647.336807]  ? on_each_cpu_mask+0x240/0x240
[  647.341130]  native_flush_tlb_others+0x2ea/0x690
[  647.345884]  ? initialize_tlbstate_and_flush+0x380/0x380
[  647.351339]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  647.356346]  ? find_next_bit+0x104/0x130
[  647.360404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.365932]  ? find_next_bit+0x104/0x130
[  647.369989]  ? cpumask_next+0x41/0x50
[  647.373780]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  647.378790]  ? cpumask_any_but+0xb1/0xe0
[  647.382855]  flush_tlb_mm_range+0x2fe/0x5d0
[  647.387170]  ? fault_around_bytes_set+0x90/0x90
[  647.391840]  ? native_flush_tlb_others+0x690/0x690
[  647.396766]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  647.402301]  ? alloc_pages_current+0x17b/0x350
[  647.406882]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.412409]  ? __tlb_remove_page_size+0x187/0x500
[  647.417254]  unmap_page_range+0x1eef/0x2930
[  647.421593]  ? vm_normal_page_pmd+0x510/0x510
[  647.426087]  ? mark_held_locks+0x130/0x130
[  647.430319]  ? finish_task_switch+0x1f4/0x910
[  647.434807]  ? finish_task_switch+0x1b4/0x910
[  647.439294]  ? __switch_to_asm+0x34/0x70
[  647.443361]  ? zap_class+0x640/0x640
[  647.447070]  ? prepare_to_wait_event+0x39f/0xa10
[  647.451828]  ? tlb_table_flush+0xb4/0x5c0
[  647.455969]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  647.461063]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  647.466167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.471702]  ? tlb_flush_mmu_free+0x105/0x170
[  647.476203]  ? tlb_flush_mmu+0x58/0x520
[  647.480175]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  647.484677]  ? kasan_check_write+0x14/0x20
[  647.488906]  ? tlb_finish_mmu+0x166/0x1f0
[  647.493053]  ? tlb_gather_mmu+0x440/0x440
[  647.497202]  ? kasan_check_write+0x14/0x20
[  647.501432]  __oom_reap_task_mm+0xf7/0x410
[  647.505670]  ? process_shares_mm+0x460/0x460
[  647.510089]  oom_reaper+0x2b7/0x11e0
[  647.513804]  ? __oom_reap_task_mm+0x410/0x410
[  647.518471]  ? lock_pin_lock+0x350/0x350
[  647.522526]  ? finish_wait+0x430/0x430
[  647.526418]  ? __schedule+0x168a/0x21d0
[  647.530389]  ? __switch_to_asm+0x40/0x70
[  647.534448]  ? __switch_to_asm+0x40/0x70
[  647.538529]  ? zap_class+0x640/0x640
[  647.542247]  ? __sched_text_start+0x8/0x8
[  647.546397]  ? find_held_lock+0x36/0x1c0
[  647.550471]  ? __kthread_parkme+0xce/0x1a0
[  647.554701]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  647.559803]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  647.564900]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  647.569481]  ? trace_hardirqs_on+0xbd/0x310
[  647.573797]  ? kasan_check_read+0x11/0x20
[  647.577938]  ? __kthread_parkme+0xce/0x1a0
[  647.582169]  ? trace_hardirqs_off_caller+0x310/0x310
[  647.587267]  ? preempt_schedule+0x4d/0x60
[  647.591416]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  647.596519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.602051]  ? __kthread_parkme+0xfb/0x1a0
[  647.606285]  ? __oom_reap_task_mm+0x410/0x410
[  647.610773]  kthread+0x35a/0x440
[  647.614157]  ? kthread_stop+0x900/0x900
[  647.618128]  ret_from_fork+0x3a/0x50
[  647.621937] warn_alloc_show_mem: 1 callbacks suppressed
[  647.621946] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  647.621948] Mem-Info:
[  647.621977] active_anon:44214 inactive_anon:199 isolated_anon:0
[  647.621977]  active_file:6 inactive_file:21 isolated_file:0
[  647.621977]  unevictable:0 dirty:0 writeback:0 unstable:0
[  647.621977]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  647.621977]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  647.621977]  free:13686 free_pcp:384 free_cma:0
[  647.627308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  647.627315] Call Trace:
[  647.634676] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  647.637065]  <IRQ>
[  647.669835] 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
[  647.679184]  dump_stack+0x244/0x39d
[  647.681731] lowmem_reserve[]: 0 2818 6321 6321
[  647.709048]  ? dump_stack_print_info.cold.1+0x20/0x20
[  647.711171] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  647.737270]  ? __wake_up+0xe/0x10
[  647.740864] lowmem_reserve[]: 0 0 3503 3503
[  647.745449]  warn_alloc.cold.116+0xb7/0x1bd
[  647.750606] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  647.778029]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  647.781458] lowmem_reserve[]: 0 0 0 0
[  647.785770]  ? lock_downgrade+0x900/0x900
[  647.790062] 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
[  647.819032]  ? trace_hardirqs_off+0xb8/0x310
[  647.823840] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  647.827636]  ? trace_hardirqs_off+0xb8/0x310
[  647.831753] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  647.845269]  __alloc_pages_slowpath+0x2651/0x2de0
[  647.849651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  647.864823]  ? warn_alloc+0x120/0x120
[  647.869193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  647.882790]  ? warn_alloc+0x120/0x120
[  647.887607] 271 total pagecache pages
[  647.896436]  ? warn_alloc+0x120/0x120
[  647.900217] 0 pages in swap cache
[  647.908775]  ? print_usage_bug+0xc0/0xc0
[  647.912550] Swap cache stats: add 0, delete 0, find 0/0
[  647.916346]  ? print_usage_bug+0xc0/0xc0
[  647.920118] Free swap  = 0kB
[  647.923558]  ? ktime_get+0x2c1/0x400
[  647.927586] Total swap = 0kB
[  647.927593] 1965979 pages RAM
[  647.932944]  ? check_preemption_disabled+0x48/0x280
[  647.936970] 0 pages HighMem/MovableOnly
[  647.939974]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  647.943653] 342854 pages reserved
[  647.943659] 0 pages cma reserved
[  647.946679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.949814] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  647.954765]  ? should_fail+0x22d/0xd01
[  647.954779]  ? kasan_check_read+0x11/0x20
[  647.954796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  647.958795] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  647.963226]  ? __lock_acquire+0x62f/0x4c20
[  647.966651] oom_reaper cpuset=/ mems_allowed=0
[  647.970004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  648.020796]  ? should_fail+0x22d/0xd01
[  648.024681]  ? print_usage_bug+0xc0/0xc0
[  648.028743]  ? mark_held_locks+0x130/0x130
[  648.032973]  ? mark_held_locks+0x130/0x130
[  648.037202]  ? check_preemption_disabled+0x48/0x280
[  648.042223]  ? zap_class+0x640/0x640
[  648.045938]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  648.050689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.056487]  ? check_preemption_disabled+0x48/0x280
[  648.061503]  ? __lock_is_held+0xb5/0x140
[  648.065565]  __alloc_pages_nodemask+0xad8/0xea0
[  648.070229]  ? zap_class+0x640/0x640
[  648.073945]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  648.078965]  ? find_held_lock+0x36/0x1c0
[  648.083033]  ? ____cache_alloc_node+0x1c7/0x1e0
[  648.087699]  ? lock_downgrade+0x900/0x900
[  648.091850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.097389]  cache_grow_begin+0xa5/0x8c0
[  648.101453]  ? do_raw_spin_unlock+0xa7/0x330
[  648.105862]  fallback_alloc+0x204/0x2e0
[  648.109836]  ____cache_alloc_node+0x1c7/0x1e0
[  648.114328]  kmem_cache_alloc_node+0xe3/0x730
[  648.118823]  ? lockdep_hardirqs_on+0x296/0x5b0
[  648.123415]  __alloc_skb+0x119/0x770
[  648.127126]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  648.132493]  ? netdev_alloc_frag+0x1f0/0x1f0
[  648.136901]  ? vprintk_default+0x28/0x30
[  648.140957]  ? vprintk_func+0x85/0x181
[  648.144837]  ? printk+0xa7/0xcf
[  648.148115]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  648.152876]  new_skb+0x26/0x1c0
[  648.156152]  aoecmd_cfg+0x279/0x7f0
[  648.159783]  ? find_held_lock+0x36/0x1c0
[  648.163839]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  648.168166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.173708]  ? __lock_is_held+0xb5/0x140
[  648.177775]  discover_timer+0x50/0x60
[  648.181567]  call_timer_fn+0x272/0x920
[  648.185451]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  648.190289]  ? process_timeout+0x40/0x40
[  648.194350]  ? __run_timers+0x7da/0xc70
[  648.198320]  ? _raw_spin_unlock_irq+0x27/0x80
[  648.202806]  ? _raw_spin_unlock_irq+0x27/0x80
[  648.207293]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  648.212137]  ? lockdep_hardirqs_on+0x296/0x5b0
[  648.216718]  ? trace_hardirqs_on+0xbd/0x310
[  648.221034]  ? kasan_check_read+0x11/0x20
[  648.225180]  ? __run_timers+0x7da/0xc70
[  648.229158]  ? trace_hardirqs_off_caller+0x310/0x310
[  648.234266]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  648.239105]  __run_timers+0x7e5/0xc70
[  648.242907]  ? timer_fixup_init+0x70/0x70
[  648.247054]  ? lock_acquire+0x1ed/0x520
[  648.251023]  ? zap_class+0x640/0x640
[  648.254733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.260269]  ? kasan_check_read+0x11/0x20
[  648.264420]  ? do_raw_spin_lock+0x14f/0x350
[  648.268744]  ? find_held_lock+0x36/0x1c0
[  648.272805]  ? zap_class+0x640/0x640
[  648.276517]  ? pvclock_read_flags+0x160/0x160
[  648.281007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.286544]  ? check_preemption_disabled+0x48/0x280
[  648.291561]  ? __lock_is_held+0xb5/0x140
[  648.295617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.301151]  ? check_preemption_disabled+0x48/0x280
[  648.306168]  run_timer_softirq+0x52/0xb0
[  648.310225]  ? rcu_read_lock_sched_held+0x14f/0x180
[  648.315238]  __do_softirq+0x308/0xb7e
[  648.319034]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  648.323521]  ? lock_downgrade+0x900/0x900
[  648.327664]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  648.332768]  ? pvclock_read_flags+0x160/0x160
[  648.337259]  ? lapic_next_event+0x5a/0x90
[  648.341406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.346941]  ? kvm_clock_read+0x18/0x30
[  648.350907]  ? kvm_sched_clock_read+0x9/0x20
[  648.355310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.360840]  ? check_preemption_disabled+0x48/0x280
[  648.365860]  irq_exit+0x17f/0x1c0
[  648.369309]  smp_apic_timer_interrupt+0x1cb/0x760
[  648.374148]  ? smp_call_function_single_interrupt+0x159/0x650
[  648.380027]  ? smp_call_function_single_interrupt+0x650/0x650
[  648.385908]  ? interrupt_entry+0xb5/0xc0
[  648.389964]  ? trace_hardirqs_off_caller+0xbb/0x310
[  648.394978]  ? trace_hardirqs_off_caller+0xbb/0x310
[  648.399989]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.404828]  ? trace_hardirqs_on_caller+0x310/0x310
[  648.409836]  ? trace_hardirqs_on_caller+0x310/0x310
[  648.414849]  ? task_prio+0x50/0x50
[  648.418390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.423925]  ? check_preemption_disabled+0x48/0x280
[  648.428937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.433781]  apic_timer_interrupt+0xf/0x20
[  648.438006]  </IRQ>
[  648.440243] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  648.445168] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  648.464059] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  648.471759] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  648.479019] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  648.486287] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  648.493552] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  648.500813] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  648.508112]  skb_clone+0x1bb/0x500
[  648.511650]  ? finish_task_switch+0x1b4/0x910
[  648.516149]  ? skb_split+0x11e0/0x11e0
[  648.520031]  ? preempt_notifier_register+0x200/0x200
[  648.525132]  ? __switch_to_asm+0x34/0x70
[  648.529185]  ? __switch_to_asm+0x34/0x70
[  648.533236]  ? __switch_to_asm+0x40/0x70
[  648.537288]  ? __switch_to_asm+0x34/0x70
[  648.541338]  ? __switch_to_asm+0x40/0x70
[  648.545401]  ? __switch_to_asm+0x34/0x70
[  648.549456]  ? __switch_to_asm+0x40/0x70
[  648.553508]  ? __switch_to_asm+0x34/0x70
[  648.557566]  ? __switch_to_asm+0x34/0x70
[  648.561633]  ? __switch_to_asm+0x40/0x70
[  648.565685]  ? __switch_to_asm+0x34/0x70
[  648.569743]  bpf_clone_redirect+0xb9/0x490
[  648.573973]  ? __schedule+0x8d7/0x21d0
[  648.577859]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  648.582871]  ? __sched_text_start+0x8/0x8
[  648.587014]  ? retint_kernel+0x2d/0x2d
[  648.590907]  ? find_held_lock+0x36/0x1c0
[  648.594968]  ? lock_acquire+0x1ed/0x520
[  648.598937]  ? bpf_test_run+0x3ee/0x7a0
[  648.602910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.608441]  ? check_preemption_disabled+0x48/0x280
[  648.613458]  ? kasan_check_read+0x11/0x20
[  648.617602]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.622872]  ? rcu_softirq_qs+0x20/0x20
[  648.626840]  ? preempt_schedule+0x4d/0x60
[  648.630987]  ? ___preempt_schedule+0x16/0x18
[  648.635416]  ? bpf_test_run+0x271/0x7a0
[  648.639396]  ? netlink_diag_dump+0x2a0/0x2a0
[  648.643800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.649334]  ? bpf_test_init.isra.10+0x70/0x100
[  648.654011]  ? bpf_prog_test_run_skb+0x762/0xd60
[  648.658768]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  648.663612]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  648.669146]  ? fput+0x130/0x1a0
[  648.672427]  ? __bpf_prog_get+0x9b/0x290
[  648.676483]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  648.681322]  ? bpf_prog_test_run+0x130/0x1a0
[  648.685744]  ? __x64_sys_bpf+0x3d8/0x520
[  648.689800]  ? bpf_prog_get+0x20/0x20
[  648.693609]  ? do_syscall_64+0x1b9/0x820
[  648.697664]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  648.703028]  ? syscall_return_slowpath+0x5e0/0x5e0
[  648.707954]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.712794]  ? trace_hardirqs_on_caller+0x310/0x310
[  648.717804]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  648.722818]  ? prepare_exit_to_usermode+0x291/0x3b0
[  648.727836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.733552]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  648.738928] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  648.738983] aoe: skb alloc failure
[  648.745936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  648.745941] Call Trace:
[  648.745947]  <IRQ>
[  648.745963]  dump_stack+0x244/0x39d
[  648.745982]  ? dump_stack_print_info.cold.1+0x20/0x20
[  648.749521] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  648.758832]  ? __wake_up+0xe/0x10
[  648.761387] syz-executor0 cpuset=syz0 mems_allowed=0
[  648.763527]  warn_alloc.cold.116+0xb7/0x1bd
[  648.795582]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  648.800428]  ? lock_downgrade+0x900/0x900
[  648.804576]  ? trace_hardirqs_off+0xb8/0x310
[  648.808986]  ? trace_hardirqs_off+0xb8/0x310
[  648.813394]  __alloc_pages_slowpath+0x2651/0x2de0
[  648.818258]  ? warn_alloc+0x120/0x120
[  648.822058]  ? print_usage_bug+0xc0/0xc0
[  648.826117]  ? warn_alloc+0x120/0x120
[  648.829913]  ? warn_alloc+0x120/0x120
[  648.833709]  ? print_usage_bug+0xc0/0xc0
[  648.837768]  ? print_usage_bug+0xc0/0xc0
[  648.841824]  ? __lock_acquire+0x62f/0x4c20
[  648.846056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.851585]  ? should_fail+0x22d/0xd01
[  648.855477]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  648.860574]  ? __lock_acquire+0x62f/0x4c20
[  648.864814]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  648.869913]  ? __lock_acquire+0x62f/0x4c20
[  648.874138]  ? should_fail+0x22d/0xd01
[  648.878019]  ? find_held_lock+0x36/0x1c0
[  648.882698]  ? mark_held_locks+0x130/0x130
[  648.886934]  ? mark_held_locks+0x130/0x130
[  648.891161]  ? zap_class+0x640/0x640
[  648.894866]  ? zap_class+0x640/0x640
[  648.898578]  ? print_usage_bug+0xc0/0xc0
[  648.902636]  ? do_raw_spin_unlock+0xa7/0x330
[  648.907037]  ? zap_class+0x640/0x640
[  648.910743]  ? print_usage_bug+0xc0/0xc0
[  648.914797]  ? wq_watchdog_touch+0x9c/0xfe
[  648.919027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.924558]  ? check_preemption_disabled+0x48/0x280
[  648.929588]  ? __lock_is_held+0xb5/0x140
[  648.933646]  __alloc_pages_nodemask+0xad8/0xea0
[  648.938308]  ? zap_class+0x640/0x640
[  648.942031]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  648.947049]  ? find_held_lock+0x36/0x1c0
[  648.951111]  ? ____cache_alloc_node+0x1c7/0x1e0
[  648.955774]  ? lock_downgrade+0x900/0x900
[  648.959936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.965469]  cache_grow_begin+0xa5/0x8c0
[  648.969522]  ? do_raw_spin_unlock+0xa7/0x330
[  648.973933]  fallback_alloc+0x204/0x2e0
[  648.977908]  ____cache_alloc_node+0x1c7/0x1e0
[  648.982401]  kmem_cache_alloc_node+0xe3/0x730
[  648.986894]  ? ipv6_get_ifaddr+0x42e/0x620
[  648.991136]  __alloc_skb+0x119/0x770
[  648.994845]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  649.000118]  ? netdev_alloc_frag+0x1f0/0x1f0
[  649.004521]  ? lock_downgrade+0x900/0x900
[  649.008669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.014199]  ? refcount_sub_and_test_checked+0x203/0x310
[  649.019644]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  649.025092]  ? addrconf_rs_timer+0x690/0x690
[  649.029504]  ndisc_alloc_skb+0x144/0x340
[  649.033563]  ndisc_send_rs+0x331/0x6e0
[  649.037467]  addrconf_rs_timer+0x314/0x690
[  649.041705]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.045941]  call_timer_fn+0x272/0x920
[  649.049821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.054050]  ? process_timeout+0x40/0x40
[  649.058117]  ? mark_held_locks+0xc7/0x130
[  649.062264]  ? _raw_spin_unlock_irq+0x27/0x80
[  649.066752]  ? _raw_spin_unlock_irq+0x27/0x80
[  649.071242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.075471]  ? lockdep_hardirqs_on+0x296/0x5b0
[  649.080046]  ? trace_hardirqs_on+0xbd/0x310
[  649.084361]  ? kasan_check_read+0x11/0x20
[  649.088502]  ? __run_timers+0x7da/0xc70
[  649.092471]  ? trace_hardirqs_off_caller+0x310/0x310
[  649.097577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.101809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.106038]  __run_timers+0x7e5/0xc70
[  649.109839]  ? timer_fixup_init+0x70/0x70
[  649.113984]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  649.118994]  ? zap_class+0x640/0x640
[  649.122708]  ? print_usage_bug+0xc0/0xc0
[  649.126868]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  649.132056]  ? find_held_lock+0x36/0x1c0
[  649.136113]  ? zap_class+0x640/0x640
[  649.139825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.145366]  ? check_preemption_disabled+0x48/0x280
[  649.150389]  ? __lock_is_held+0xb5/0x140
[  649.154450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.159981]  ? check_preemption_disabled+0x48/0x280
[  649.164993]  run_timer_softirq+0x52/0xb0
[  649.169046]  ? rcu_read_lock_sched_held+0x14f/0x180
[  649.174058]  __do_softirq+0x308/0xb7e
[  649.177855]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  649.182341]  ? lock_downgrade+0x900/0x900
[  649.186491]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  649.191596]  ? pvclock_read_flags+0x160/0x160
[  649.196085]  ? lapic_next_event+0x5a/0x90
[  649.200231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.205766]  ? kvm_clock_read+0x18/0x30
[  649.209738]  ? kvm_sched_clock_read+0x9/0x20
[  649.214144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.219677]  ? check_preemption_disabled+0x48/0x280
[  649.224928]  irq_exit+0x17f/0x1c0
[  649.228379]  smp_apic_timer_interrupt+0x1cb/0x760
[  649.233214]  ? smp_call_function_single_interrupt+0x159/0x650
[  649.239092]  ? smp_call_function_single_interrupt+0x650/0x650
[  649.244970]  ? interrupt_entry+0xb5/0xc0
[  649.249028]  ? trace_hardirqs_off_caller+0xbb/0x310
[  649.254037]  ? trace_hardirqs_off_caller+0xbb/0x310
[  649.259046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.263883]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.268893]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.273906]  ? task_prio+0x50/0x50
[  649.277441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.282972]  ? check_preemption_disabled+0x48/0x280
[  649.287984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.292827]  apic_timer_interrupt+0xf/0x20
[  649.297053]  </IRQ>
[  649.299284] RIP: 0010:smp_call_function_single+0x30a/0x660
[  649.304913] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  649.323808] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  649.331510] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  649.338776] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  649.346035] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  649.353303] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  649.360567] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  649.367842]  ? smp_call_function_single+0x351/0x660
[  649.372852]  ? smp_call_function_single+0x300/0x660
[  649.377866]  ? rcu_note_context_switch+0x12ad/0x2150
[  649.382968]  ? retint_kernel+0x2d/0x2d
[  649.386848]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  649.392726]  ? generic_exec_single+0x5f0/0x5f0
[  649.397310]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  649.403311]  ? zap_class+0x640/0x640
[  649.407023]  ? smp_call_function_single+0x302/0x660
[  649.412035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.417572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.423101]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  649.428114]  ? find_next_and_bit+0x183/0x1e0
[  649.432521]  smp_call_function_many+0x911/0xae0
[  649.437191]  ? __lock_acquire+0x62f/0x4c20
[  649.441425]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  649.447309]  ? _raw_spin_unlock_irq+0x27/0x80
[  649.451798]  ? _raw_spin_unlock_irq+0x27/0x80
[  649.456300]  ? smp_call_function_single_async+0x370/0x370
[  649.461834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.467369]  ? check_preemption_disabled+0x48/0x280
[  649.472381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.477916]  ? check_preemption_disabled+0x48/0x280
[  649.482929]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  649.488809]  on_each_cpu_mask+0x41/0x240
[  649.492864]  ? x86_configure_nx+0x110/0x110
[  649.497177]  on_each_cpu_cond_mask+0x171/0x210
[  649.501770]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  649.507664]  ? on_each_cpu_mask+0x240/0x240
[  649.511993]  native_flush_tlb_others+0x2ea/0x690
[  649.516743]  ? initialize_tlbstate_and_flush+0x380/0x380
[  649.522192]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  649.527200]  ? find_next_bit+0x104/0x130
[  649.531257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.536792]  ? find_next_bit+0x104/0x130
[  649.540853]  ? cpumask_next+0x41/0x50
[  649.544646]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  649.549657]  ? cpumask_any_but+0xb1/0xe0
[  649.553714]  flush_tlb_mm_range+0x2fe/0x5d0
[  649.558030]  ? fault_around_bytes_set+0x90/0x90
[  649.562699]  ? native_flush_tlb_others+0x690/0x690
[  649.567625]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  649.573160]  ? alloc_pages_current+0x17b/0x350
[  649.577742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.583279]  ? __tlb_remove_page_size+0x187/0x500
[  649.588122]  unmap_page_range+0x1eef/0x2930
[  649.592456]  ? vm_normal_page_pmd+0x510/0x510
[  649.596951]  ? mark_held_locks+0x130/0x130
[  649.601185]  ? finish_task_switch+0x1f4/0x910
[  649.605673]  ? finish_task_switch+0x1b4/0x910
[  649.610160]  ? __switch_to_asm+0x34/0x70
[  649.614225]  ? zap_class+0x640/0x640
[  649.617935]  ? prepare_to_wait_event+0x39f/0xa10
[  649.622687]  ? tlb_table_flush+0xb4/0x5c0
[  649.626828]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  649.631923]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  649.637022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.642552]  ? tlb_flush_mmu_free+0x105/0x170
[  649.647041]  ? tlb_flush_mmu+0x58/0x520
[  649.651018]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  649.655510]  ? kasan_check_write+0x14/0x20
[  649.659744]  ? tlb_finish_mmu+0x166/0x1f0
[  649.663896]  ? tlb_gather_mmu+0x440/0x440
[  649.668041]  ? kasan_check_write+0x14/0x20
[  649.672279]  __oom_reap_task_mm+0xf7/0x410
[  649.676510]  ? process_shares_mm+0x460/0x460
[  649.680937]  oom_reaper+0x2b7/0x11e0
[  649.684651]  ? __oom_reap_task_mm+0x410/0x410
[  649.689138]  ? lock_pin_lock+0x350/0x350
[  649.693192]  ? finish_wait+0x430/0x430
[  649.697080]  ? __schedule+0x168a/0x21d0
[  649.701044]  ? __switch_to_asm+0x40/0x70
[  649.705095]  ? __switch_to_asm+0x40/0x70
[  649.709158]  ? zap_class+0x640/0x640
[  649.712869]  ? __sched_text_start+0x8/0x8
[  649.717020]  ? find_held_lock+0x36/0x1c0
[  649.721080]  ? __kthread_parkme+0xce/0x1a0
[  649.725311]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  649.730409]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  649.735505]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  649.740086]  ? trace_hardirqs_on+0xbd/0x310
[  649.744400]  ? kasan_check_read+0x11/0x20
[  649.748543]  ? __kthread_parkme+0xce/0x1a0
[  649.752774]  ? trace_hardirqs_off_caller+0x310/0x310
[  649.757874]  ? preempt_schedule+0x4d/0x60
[  649.762018]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  649.767122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.772654]  ? __kthread_parkme+0xfb/0x1a0
[  649.776884]  ? __oom_reap_task_mm+0x410/0x410
[  649.781375]  kthread+0x35a/0x440
[  649.784737]  ? kthread_stop+0x900/0x900
[  649.788709]  ret_from_fork+0x3a/0x50
[  649.792432] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  649.792437] warn_alloc_show_mem: 1 callbacks suppressed
[  649.792443] Mem-Info:
[  649.799791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  649.799798] Call Trace:
[  649.805161] active_anon:44214 inactive_anon:199 isolated_anon:0
[  649.805161]  active_file:6 inactive_file:21 isolated_file:0
[  649.805161]  unevictable:0 dirty:0 writeback:0 unstable:0
[  649.805161]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  649.805161]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  649.805161]  free:13686 free_pcp:384 free_cma:0
[  649.807527]  <IRQ>
[  649.816882] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  649.819451]  dump_stack+0x244/0x39d
[  649.852218] 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
[  649.854388]  ? dump_stack_print_info.cold.1+0x20/0x20
[  649.881684] lowmem_reserve[]: 0 2818 6321 6321
[  649.885308]  ? __wake_up+0xe/0x10
[  649.911388] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  649.916578]  warn_alloc.cold.116+0xb7/0x1bd
[  649.921125] lowmem_reserve[]: 0 0 3503 3503
[  649.924567]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  649.951858] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  649.956519]  ? lock_downgrade+0x900/0x900
[  649.960805] lowmem_reserve[]: 0 0 0 0
[  649.965649]  ? trace_hardirqs_off+0xb8/0x310
[  649.994590] 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
[  649.998736]  ? trace_hardirqs_off+0xb8/0x310
[  650.002502] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  650.006913]  __alloc_pages_slowpath+0x2651/0x2de0
[  650.020403] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  650.024821]  ? warn_alloc+0x120/0x120
[  650.039952] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  650.044775]  ? warn_alloc+0x120/0x120
[  650.058626] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  650.058635] 271 total pagecache pages
[  650.062433]  ? __lock_acquire+0x62f/0x4c20
[  650.071248] 0 pages in swap cache
[  650.075027]  ? warn_alloc+0x120/0x120
[  650.083569] Swap cache stats: add 0, delete 0, find 0/0
[  650.083576] Free swap  = 0kB
[  650.087364]  ? print_usage_bug+0xc0/0xc0
[  650.091562] Total swap = 0kB
[  650.091569] 1965979 pages RAM
[  650.095007]  ? print_usage_bug+0xc0/0xc0
[  650.098770] 0 pages HighMem/MovableOnly
[  650.098777] 342854 pages reserved
[  650.104124]  ? mark_held_locks+0x130/0x130
[  650.107111] 0 pages cma reserved
[  650.107186] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  650.111168]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.114242] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  650.117258]  ? should_fail+0x22d/0xd01
[  650.121288] oom_reaper cpuset=/ mems_allowed=0
[  650.125247]  ? zap_class+0x640/0x640
[  650.170660]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  650.175763]  ? __lock_acquire+0x62f/0x4c20
[  650.179999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  650.185098]  ? should_fail+0x22d/0xd01
[  650.188999]  ? mark_held_locks+0x130/0x130
[  650.193236]  ? mark_held_locks+0x130/0x130
[  650.197469]  ? lock_downgrade+0x900/0x900
[  650.201611]  ? zap_class+0x640/0x640
[  650.205320]  ? zap_class+0x640/0x640
[  650.209031]  ? zap_class+0x640/0x640
[  650.212739]  ? do_raw_spin_unlock+0xa7/0x330
[  650.217147]  ? trace_hardirqs_on+0x310/0x310
[  650.221555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.227088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.232625]  ? check_preemption_disabled+0x48/0x280
[  650.237642]  ? __lock_is_held+0xb5/0x140
[  650.241702]  __alloc_pages_nodemask+0xad8/0xea0
[  650.246365]  ? zap_class+0x640/0x640
[  650.250079]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  650.255099]  ? find_held_lock+0x36/0x1c0
[  650.259166]  ? ____cache_alloc_node+0x1c7/0x1e0
[  650.263835]  ? lock_downgrade+0x900/0x900
[  650.267989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.273524]  cache_grow_begin+0xa5/0x8c0
[  650.277580]  ? do_raw_spin_unlock+0xa7/0x330
[  650.281994]  fallback_alloc+0x204/0x2e0
[  650.285972]  ____cache_alloc_node+0x1c7/0x1e0
[  650.290465]  kmem_cache_alloc_node+0xe3/0x730
[  650.294956]  ? lockdep_hardirqs_on+0x296/0x5b0
[  650.299548]  __alloc_skb+0x119/0x770
[  650.303255]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  650.308615]  ? netdev_alloc_frag+0x1f0/0x1f0
[  650.313027]  ? vprintk_default+0x28/0x30
[  650.317085]  ? vprintk_func+0x85/0x181
[  650.320975]  ? printk+0xa7/0xcf
[  650.324248]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  650.329009]  new_skb+0x26/0x1c0
[  650.332281]  aoecmd_cfg+0x279/0x7f0
[  650.335903]  ? find_held_lock+0x36/0x1c0
[  650.339964]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  650.344286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.349830]  ? __lock_is_held+0xb5/0x140
[  650.353894]  discover_timer+0x50/0x60
[  650.357691]  call_timer_fn+0x272/0x920
[  650.361573]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  650.366410]  ? process_timeout+0x40/0x40
[  650.370470]  ? __run_timers+0x7da/0xc70
[  650.374444]  ? _raw_spin_unlock_irq+0x27/0x80
[  650.378933]  ? _raw_spin_unlock_irq+0x27/0x80
[  650.383428]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  650.388268]  ? lockdep_hardirqs_on+0x296/0x5b0
[  650.392852]  ? trace_hardirqs_on+0xbd/0x310
[  650.397167]  ? kasan_check_read+0x11/0x20
[  650.401317]  ? __run_timers+0x7da/0xc70
[  650.405284]  ? trace_hardirqs_off_caller+0x310/0x310
[  650.410392]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  650.415230]  __run_timers+0x7e5/0xc70
[  650.419035]  ? timer_fixup_init+0x70/0x70
[  650.423275]  ? lock_acquire+0x1ed/0x520
[  650.427245]  ? zap_class+0x640/0x640
[  650.430959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.436494]  ? kasan_check_read+0x11/0x20
[  650.440637]  ? do_raw_spin_lock+0x14f/0x350
[  650.444964]  ? find_held_lock+0x36/0x1c0
[  650.449155]  ? zap_class+0x640/0x640
[  650.452865]  ? pvclock_read_flags+0x160/0x160
[  650.457354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.462885]  ? check_preemption_disabled+0x48/0x280
[  650.467902]  ? __lock_is_held+0xb5/0x140
[  650.471973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.477510]  ? check_preemption_disabled+0x48/0x280
[  650.482523]  run_timer_softirq+0x52/0xb0
[  650.486577]  ? rcu_read_lock_sched_held+0x14f/0x180
[  650.491588]  __do_softirq+0x308/0xb7e
[  650.495389]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  650.499880]  ? lock_downgrade+0x900/0x900
[  650.504024]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  650.509126]  ? pvclock_read_flags+0x160/0x160
[  650.513616]  ? lapic_next_event+0x5a/0x90
[  650.517763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.523303]  ? kvm_clock_read+0x18/0x30
[  650.527272]  ? kvm_sched_clock_read+0x9/0x20
[  650.531681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.537218]  ? check_preemption_disabled+0x48/0x280
[  650.542240]  irq_exit+0x17f/0x1c0
[  650.545692]  smp_apic_timer_interrupt+0x1cb/0x760
[  650.550526]  ? smp_call_function_single_interrupt+0x159/0x650
[  650.556408]  ? smp_call_function_single_interrupt+0x650/0x650
[  650.562285]  ? interrupt_entry+0xb5/0xc0
[  650.566344]  ? trace_hardirqs_off_caller+0xbb/0x310
[  650.571357]  ? trace_hardirqs_off_caller+0xbb/0x310
[  650.576369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.581211]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.586222]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.591229]  ? task_prio+0x50/0x50
[  650.594764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.600301]  ? check_preemption_disabled+0x48/0x280
[  650.605319]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.610164]  apic_timer_interrupt+0xf/0x20
[  650.614397]  </IRQ>
[  650.616632] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  650.621556] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  650.640447] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  650.648150] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  650.655417] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  650.662683] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  650.669949] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  650.677209] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  650.684507]  skb_clone+0x1bb/0x500
[  650.688042]  ? finish_task_switch+0x1b4/0x910
[  650.692531]  ? skb_split+0x11e0/0x11e0
[  650.696414]  ? preempt_notifier_register+0x200/0x200
[  650.701506]  ? __switch_to_asm+0x34/0x70
[  650.705563]  ? __switch_to_asm+0x34/0x70
[  650.709616]  ? __switch_to_asm+0x40/0x70
[  650.713668]  ? __switch_to_asm+0x34/0x70
[  650.717723]  ? __switch_to_asm+0x40/0x70
[  650.721774]  ? __switch_to_asm+0x34/0x70
[  650.725827]  ? __switch_to_asm+0x40/0x70
[  650.729884]  ? __switch_to_asm+0x34/0x70
[  650.733944]  ? __switch_to_asm+0x34/0x70
[  650.738000]  ? __switch_to_asm+0x40/0x70
[  650.742050]  ? __switch_to_asm+0x34/0x70
[  650.746119]  bpf_clone_redirect+0xb9/0x490
[  650.750354]  ? __schedule+0x8d7/0x21d0
[  650.754242]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  650.759254]  ? __sched_text_start+0x8/0x8
[  650.763400]  ? retint_kernel+0x2d/0x2d
[  650.767295]  ? find_held_lock+0x36/0x1c0
[  650.771355]  ? lock_acquire+0x1ed/0x520
[  650.775333]  ? bpf_test_run+0x3ee/0x7a0
[  650.779307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.784840]  ? check_preemption_disabled+0x48/0x280
[  650.789856]  ? kasan_check_read+0x11/0x20
[  650.794001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.799279]  ? rcu_softirq_qs+0x20/0x20
[  650.803249]  ? preempt_schedule+0x4d/0x60
[  650.807393]  ? ___preempt_schedule+0x16/0x18
[  650.811802]  ? bpf_test_run+0x271/0x7a0
[  650.815785]  ? netlink_diag_dump+0x2a0/0x2a0
[  650.820195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.825725]  ? bpf_test_init.isra.10+0x70/0x100
[  650.830393]  ? bpf_prog_test_run_skb+0x762/0xd60
[  650.835161]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  650.840006]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  650.845536]  ? fput+0x130/0x1a0
[  650.848811]  ? __bpf_prog_get+0x9b/0x290
[  650.852873]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  650.857711]  ? bpf_prog_test_run+0x130/0x1a0
[  650.862120]  ? __x64_sys_bpf+0x3d8/0x520
[  650.866188]  ? bpf_prog_get+0x20/0x20
[  650.870003]  ? do_syscall_64+0x1b9/0x820
[  650.874059]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  650.879421]  ? syscall_return_slowpath+0x5e0/0x5e0
[  650.884348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.889185]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.894201]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  650.899216]  ? prepare_exit_to_usermode+0x291/0x3b0
[  650.904240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.909084]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  650.914460] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  650.914513] aoe: skb alloc failure
[  650.921465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  650.921472] Call Trace:
[  650.925048] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  650.934330]  <IRQ>
[  650.936925] syz-executor0 cpuset=syz0 mems_allowed=0
[  650.947398]  dump_stack+0x244/0x39d
[  650.958218]  ? dump_stack_print_info.cold.1+0x20/0x20
[  650.963410]  ? __wake_up+0xe/0x10
[  650.966865]  warn_alloc.cold.116+0xb7/0x1bd
[  650.971183]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  650.976021]  ? lock_downgrade+0x900/0x900
[  650.980173]  ? trace_hardirqs_off+0xb8/0x310
[  650.984591]  ? trace_hardirqs_off+0xb8/0x310
[  650.988999]  __alloc_pages_slowpath+0x2651/0x2de0
[  650.993860]  ? warn_alloc+0x120/0x120
[  650.997656]  ? print_usage_bug+0xc0/0xc0
[  651.001714]  ? warn_alloc+0x120/0x120
[  651.005597]  ? warn_alloc+0x120/0x120
[  651.009399]  ? print_usage_bug+0xc0/0xc0
[  651.013462]  ? kvm_clock_read+0x18/0x30
[  651.017436]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  651.022451]  ? print_usage_bug+0xc0/0xc0
[  651.026506]  ? __lock_acquire+0x62f/0x4c20
[  651.030742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.036273]  ? should_fail+0x22d/0xd01
[  651.040159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  651.045443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  651.050540]  ? __lock_acquire+0x62f/0x4c20
[  651.054775]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  651.059870]  ? __lock_acquire+0x62f/0x4c20
[  651.064099]  ? should_fail+0x22d/0xd01
[  651.067978]  ? rcu_irq_exit+0x1a2/0x390
[  651.071956]  ? mark_held_locks+0x130/0x130
[  651.076187]  ? mark_held_locks+0x130/0x130
[  651.080433]  ? mark_held_locks+0xc7/0x130
[  651.084583]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  651.089590]  ? zap_class+0x640/0x640
[  651.093300]  ? print_usage_bug+0xc0/0xc0
[  651.097357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.102891]  ? check_preemption_disabled+0x48/0x280
[  651.107910]  ? __lock_is_held+0xb5/0x140
[  651.111972]  __alloc_pages_nodemask+0xad8/0xea0
[  651.116633]  ? zap_class+0x640/0x640
[  651.120347]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  651.125367]  ? find_held_lock+0x36/0x1c0
[  651.129442]  ? ____cache_alloc_node+0x1c7/0x1e0
[  651.134104]  ? lock_downgrade+0x900/0x900
[  651.138261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.143804]  cache_grow_begin+0xa5/0x8c0
[  651.147857]  ? do_raw_spin_unlock+0xa7/0x330
[  651.152266]  fallback_alloc+0x204/0x2e0
[  651.156240]  ____cache_alloc_node+0x1c7/0x1e0
[  651.160734]  kmem_cache_alloc_node+0xe3/0x730
[  651.165224]  ? ipv6_get_ifaddr+0x42e/0x620
[  651.169464]  __alloc_skb+0x119/0x770
[  651.173171]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  651.178448]  ? netdev_alloc_frag+0x1f0/0x1f0
[  651.182851]  ? lock_downgrade+0x900/0x900
[  651.186998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.192531]  ? refcount_sub_and_test_checked+0x203/0x310
[  651.197978]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  651.203427]  ? addrconf_rs_timer+0x690/0x690
[  651.207838]  ndisc_alloc_skb+0x144/0x340
[  651.211895]  ndisc_send_rs+0x331/0x6e0
[  651.215783]  addrconf_rs_timer+0x314/0x690
[  651.220022]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.224578]  call_timer_fn+0x272/0x920
[  651.228464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.232696]  ? process_timeout+0x40/0x40
[  651.236764]  ? mark_held_locks+0xc7/0x130
[  651.240908]  ? _raw_spin_unlock_irq+0x27/0x80
[  651.245397]  ? _raw_spin_unlock_irq+0x27/0x80
[  651.249888]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.254127]  ? lockdep_hardirqs_on+0x296/0x5b0
[  651.258708]  ? trace_hardirqs_on+0xbd/0x310
[  651.263023]  ? kasan_check_read+0x11/0x20
[  651.267163]  ? __run_timers+0x7da/0xc70
[  651.271136]  ? trace_hardirqs_off_caller+0x310/0x310
[  651.276237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.280475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.284704]  __run_timers+0x7e5/0xc70
[  651.288509]  ? timer_fixup_init+0x70/0x70
[  651.292652]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  651.297659]  ? zap_class+0x640/0x640
[  651.301392]  ? print_usage_bug+0xc0/0xc0
[  651.305453]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  651.310642]  ? find_held_lock+0x36/0x1c0
[  651.314699]  ? zap_class+0x640/0x640
[  651.318412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.323943]  ? check_preemption_disabled+0x48/0x280
[  651.328962]  ? __lock_is_held+0xb5/0x140
[  651.333017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.338548]  ? check_preemption_disabled+0x48/0x280
[  651.343565]  run_timer_softirq+0x52/0xb0
[  651.347623]  ? rcu_read_lock_sched_held+0x14f/0x180
[  651.352633]  __do_softirq+0x308/0xb7e
[  651.356429]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  651.360917]  ? lock_downgrade+0x900/0x900
[  651.365064]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  651.370167]  ? pvclock_read_flags+0x160/0x160
[  651.374916]  ? lapic_next_event+0x5a/0x90
[  651.379060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.384597]  ? kvm_clock_read+0x18/0x30
[  651.388569]  ? kvm_sched_clock_read+0x9/0x20
[  651.392972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.398505]  ? check_preemption_disabled+0x48/0x280
[  651.403528]  irq_exit+0x17f/0x1c0
[  651.406975]  smp_apic_timer_interrupt+0x1cb/0x760
[  651.411821]  ? smp_call_function_single_interrupt+0x159/0x650
[  651.417702]  ? smp_call_function_single_interrupt+0x650/0x650
[  651.423583]  ? interrupt_entry+0xb5/0xc0
[  651.427638]  ? trace_hardirqs_off_caller+0xbb/0x310
[  651.432646]  ? trace_hardirqs_off_caller+0xbb/0x310
[  651.437661]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  651.442499]  ? trace_hardirqs_on_caller+0x310/0x310
[  651.447507]  ? trace_hardirqs_on_caller+0x310/0x310
[  651.452519]  ? task_prio+0x50/0x50
[  651.456055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.461849]  ? check_preemption_disabled+0x48/0x280
[  651.466867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  651.471709]  apic_timer_interrupt+0xf/0x20
[  651.475942]  </IRQ>
[  651.478185] RIP: 0010:smp_call_function_single+0x30a/0x660
[  651.484064] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  651.502961] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  651.510662] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  651.517922] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  651.525183] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  651.532445] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  651.539704] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  651.546977]  ? smp_call_function_single+0x351/0x660
[  651.551985]  ? smp_call_function_single+0x300/0x660
[  651.557000]  ? rcu_note_context_switch+0x12ad/0x2150
[  651.562102]  ? retint_kernel+0x2d/0x2d
[  651.565989]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  651.571871]  ? generic_exec_single+0x5f0/0x5f0
[  651.576450]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  651.582418]  ? zap_class+0x640/0x640
[  651.586124]  ? smp_call_function_single+0x302/0x660
[  651.591222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.596754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.602284]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  651.607292]  ? find_next_and_bit+0x183/0x1e0
[  651.611721]  smp_call_function_many+0x911/0xae0
[  651.616389]  ? __lock_acquire+0x62f/0x4c20
[  651.620617]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  651.626500]  ? _raw_spin_unlock_irq+0x27/0x80
[  651.630988]  ? _raw_spin_unlock_irq+0x27/0x80
[  651.635480]  ? smp_call_function_single_async+0x370/0x370
[  651.641014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.646548]  ? check_preemption_disabled+0x48/0x280
[  651.651561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.657099]  ? check_preemption_disabled+0x48/0x280
[  651.662112]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  651.667989]  on_each_cpu_mask+0x41/0x240
[  651.672048]  ? x86_configure_nx+0x110/0x110
[  651.676365]  on_each_cpu_cond_mask+0x171/0x210
[  651.680944]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  651.686822]  ? on_each_cpu_mask+0x240/0x240
[  651.691147]  native_flush_tlb_others+0x2ea/0x690
[  651.695900]  ? initialize_tlbstate_and_flush+0x380/0x380
[  651.701354]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  651.706363]  ? find_next_bit+0x104/0x130
[  651.710419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.715950]  ? find_next_bit+0x104/0x130
[  651.720010]  ? cpumask_next+0x41/0x50
[  651.723808]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  651.728819]  ? cpumask_any_but+0xb1/0xe0
[  651.732877]  flush_tlb_mm_range+0x2fe/0x5d0
[  651.737195]  ? fault_around_bytes_set+0x90/0x90
[  651.741863]  ? native_flush_tlb_others+0x690/0x690
[  651.746786]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  651.752323]  ? alloc_pages_current+0x17b/0x350
[  651.756907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.762442]  ? __tlb_remove_page_size+0x187/0x500
[  651.767281]  unmap_page_range+0x1eef/0x2930
[  651.771616]  ? vm_normal_page_pmd+0x510/0x510
[  651.776112]  ? mark_held_locks+0x130/0x130
[  651.780347]  ? finish_task_switch+0x1f4/0x910
[  651.784839]  ? finish_task_switch+0x1b4/0x910
[  651.789334]  ? __switch_to_asm+0x34/0x70
[  651.793400]  ? zap_class+0x640/0x640
[  651.797111]  ? prepare_to_wait_event+0x39f/0xa10
[  651.801859]  ? tlb_table_flush+0xb4/0x5c0
[  651.805997]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  651.811108]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  651.816213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.821746]  ? tlb_flush_mmu_free+0x105/0x170
[  651.826236]  ? tlb_flush_mmu+0x58/0x520
[  651.830217]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  651.834710]  ? kasan_check_write+0x14/0x20
[  651.838939]  ? tlb_finish_mmu+0x166/0x1f0
[  651.843090]  ? tlb_gather_mmu+0x440/0x440
[  651.847236]  ? kasan_check_write+0x14/0x20
[  651.851469]  __oom_reap_task_mm+0xf7/0x410
[  651.855698]  ? process_shares_mm+0x460/0x460
[  651.860120]  oom_reaper+0x2b7/0x11e0
[  651.863833]  ? __oom_reap_task_mm+0x410/0x410
[  651.868323]  ? lock_pin_lock+0x350/0x350
[  651.872380]  ? finish_wait+0x430/0x430
[  651.876267]  ? __schedule+0x168a/0x21d0
[  651.880231]  ? __switch_to_asm+0x40/0x70
[  651.884298]  ? __switch_to_asm+0x40/0x70
[  651.888366]  ? zap_class+0x640/0x640
[  651.892096]  ? __sched_text_start+0x8/0x8
[  651.896247]  ? find_held_lock+0x36/0x1c0
[  651.900311]  ? __kthread_parkme+0xce/0x1a0
[  651.904545]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  651.909643]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  651.914740]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  651.919318]  ? trace_hardirqs_on+0xbd/0x310
[  651.923632]  ? kasan_check_read+0x11/0x20
[  651.927777]  ? __kthread_parkme+0xce/0x1a0
[  651.932006]  ? trace_hardirqs_off_caller+0x310/0x310
[  651.937103]  ? preempt_schedule+0x4d/0x60
[  651.941250]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  651.946350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.951882]  ? __kthread_parkme+0xfb/0x1a0
[  651.956114]  ? __oom_reap_task_mm+0x410/0x410
[  651.960603]  kthread+0x35a/0x440
[  651.963963]  ? kthread_stop+0x900/0x900
[  651.967934]  ret_from_fork+0x3a/0x50
[  651.971652] warn_alloc_show_mem: 1 callbacks suppressed
[  651.971661] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  651.971663] Mem-Info:
[  651.971692] active_anon:44214 inactive_anon:199 isolated_anon:0
[  651.971692]  active_file:6 inactive_file:21 isolated_file:0
[  651.971692]  unevictable:0 dirty:0 writeback:0 unstable:0
[  651.971692]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  651.971692]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  651.971692]  free:13686 free_pcp:384 free_cma:0
[  651.977020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  651.977027] Call Trace:
[  651.984392] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  651.986781]  <IRQ>
[  652.019547] 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
[  652.028891]  dump_stack+0x244/0x39d
[  652.031441] lowmem_reserve[]: 0 2818 6321 6321
[  652.059034]  ? dump_stack_print_info.cold.1+0x20/0x20
[  652.061161] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  652.087259]  ? __wake_up+0xe/0x10
[  652.090857] lowmem_reserve[]: 0 0 3503 3503
[  652.095435]  warn_alloc.cold.116+0xb7/0x1bd
[  652.100588] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  652.127899]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  652.131315] lowmem_reserve[]: 0 0 0 0
[  652.135634]  ? lock_downgrade+0x900/0x900
[  652.139925] 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
[  652.168889]  ? trace_hardirqs_off+0xb8/0x310
[  652.173702] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  652.177493]  ? trace_hardirqs_off+0xb8/0x310
[  652.181611] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  652.195128]  __alloc_pages_slowpath+0x2651/0x2de0
[  652.199507] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  652.214682]  ? warn_alloc+0x120/0x120
[  652.219056] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  652.233128]  ? warn_alloc+0x120/0x120
[  652.237945] 271 total pagecache pages
[  652.246765]  ? warn_alloc+0x120/0x120
[  652.250546] 0 pages in swap cache
[  652.259104]  ? print_usage_bug+0xc0/0xc0
[  652.262879] Swap cache stats: add 0, delete 0, find 0/0
[  652.266666]  ? print_usage_bug+0xc0/0xc0
[  652.270435] Free swap  = 0kB
[  652.273871]  ? ktime_get+0x2c1/0x400
[  652.277897] Total swap = 0kB
[  652.277905] 1965979 pages RAM
[  652.283254]  ? check_preemption_disabled+0x48/0x280
[  652.287298] 0 pages HighMem/MovableOnly
[  652.287305] 342854 pages reserved
[  652.290302]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  652.290320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.294006] 0 pages cma reserved
[  652.297016]  ? should_fail+0x22d/0xd01
[  652.300142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  652.305092]  ? kasan_check_read+0x11/0x20
[  652.305108]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  652.305124]  ? __lock_acquire+0x62f/0x4c20
[  652.309125] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  652.312512]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  652.316978] oom_reaper cpuset=/ mems_allowed=0
[  652.322503]  ? should_fail+0x22d/0xd01
[  652.373326]  ? print_usage_bug+0xc0/0xc0
[  652.377393]  ? mark_held_locks+0x130/0x130
[  652.381627]  ? mark_held_locks+0x130/0x130
[  652.385858]  ? check_preemption_disabled+0x48/0x280
[  652.390878]  ? zap_class+0x640/0x640
[  652.394596]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  652.399346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.404887]  ? check_preemption_disabled+0x48/0x280
[  652.409907]  ? __lock_is_held+0xb5/0x140
[  652.413969]  __alloc_pages_nodemask+0xad8/0xea0
[  652.418634]  ? zap_class+0x640/0x640
[  652.422346]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  652.427363]  ? find_held_lock+0x36/0x1c0
[  652.431428]  ? ____cache_alloc_node+0x1c7/0x1e0
[  652.436089]  ? lock_downgrade+0x900/0x900
[  652.440238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.445777]  cache_grow_begin+0xa5/0x8c0
[  652.449831]  ? do_raw_spin_unlock+0xa7/0x330
[  652.454238]  fallback_alloc+0x204/0x2e0
[  652.458212]  ____cache_alloc_node+0x1c7/0x1e0
[  652.462895]  kmem_cache_alloc_node+0xe3/0x730
[  652.467384]  ? lockdep_hardirqs_on+0x296/0x5b0
[  652.471968]  __alloc_skb+0x119/0x770
[  652.475674]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  652.481035]  ? netdev_alloc_frag+0x1f0/0x1f0
[  652.485463]  ? vprintk_default+0x28/0x30
[  652.489523]  ? vprintk_func+0x85/0x181
[  652.493404]  ? printk+0xa7/0xcf
[  652.496676]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  652.501432]  new_skb+0x26/0x1c0
[  652.504708]  aoecmd_cfg+0x279/0x7f0
[  652.508332]  ? find_held_lock+0x36/0x1c0
[  652.512392]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  652.516711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.522251]  ? __lock_is_held+0xb5/0x140
[  652.526318]  discover_timer+0x50/0x60
[  652.530109]  call_timer_fn+0x272/0x920
[  652.534008]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  652.538843]  ? process_timeout+0x40/0x40
[  652.542902]  ? __run_timers+0x7da/0xc70
[  652.546870]  ? _raw_spin_unlock_irq+0x27/0x80
[  652.551355]  ? _raw_spin_unlock_irq+0x27/0x80
[  652.555845]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  652.560680]  ? lockdep_hardirqs_on+0x296/0x5b0
[  652.565260]  ? trace_hardirqs_on+0xbd/0x310
[  652.569579]  ? kasan_check_read+0x11/0x20
[  652.573719]  ? __run_timers+0x7da/0xc70
[  652.577687]  ? trace_hardirqs_off_caller+0x310/0x310
[  652.582797]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  652.587633]  __run_timers+0x7e5/0xc70
[  652.591441]  ? timer_fixup_init+0x70/0x70
[  652.595585]  ? lock_acquire+0x1ed/0x520
[  652.599553]  ? zap_class+0x640/0x640
[  652.603260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.608798]  ? kasan_check_read+0x11/0x20
[  652.612938]  ? do_raw_spin_lock+0x14f/0x350
[  652.617258]  ? find_held_lock+0x36/0x1c0
[  652.621316]  ? zap_class+0x640/0x640
[  652.625026]  ? pvclock_read_flags+0x160/0x160
[  652.629516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.635048]  ? check_preemption_disabled+0x48/0x280
[  652.640070]  ? __lock_is_held+0xb5/0x140
[  652.644142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.649673]  ? check_preemption_disabled+0x48/0x280
[  652.654684]  run_timer_softirq+0x52/0xb0
[  652.658736]  ? rcu_read_lock_sched_held+0x14f/0x180
[  652.663760]  __do_softirq+0x308/0xb7e
[  652.667555]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  652.672043]  ? lock_downgrade+0x900/0x900
[  652.676191]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  652.681291]  ? pvclock_read_flags+0x160/0x160
[  652.685781]  ? lapic_next_event+0x5a/0x90
[  652.689925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.695458]  ? kvm_clock_read+0x18/0x30
[  652.699429]  ? kvm_sched_clock_read+0x9/0x20
[  652.703837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.709368]  ? check_preemption_disabled+0x48/0x280
[  652.714475]  irq_exit+0x17f/0x1c0
[  652.717927]  smp_apic_timer_interrupt+0x1cb/0x760
[  652.722765]  ? smp_call_function_single_interrupt+0x159/0x650
[  652.728647]  ? smp_call_function_single_interrupt+0x650/0x650
[  652.734525]  ? interrupt_entry+0xb5/0xc0
[  652.738583]  ? trace_hardirqs_off_caller+0xbb/0x310
[  652.743606]  ? trace_hardirqs_off_caller+0xbb/0x310
[  652.748622]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.753463]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.758471]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.763481]  ? task_prio+0x50/0x50
[  652.767014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.772544]  ? check_preemption_disabled+0x48/0x280
[  652.777558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.782401]  apic_timer_interrupt+0xf/0x20
[  652.786628]  </IRQ>
[  652.788861] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  652.793782] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  652.812676] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  652.820376] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  652.827640] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  652.834901] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  652.842165] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  652.849424] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  652.856722]  skb_clone+0x1bb/0x500
[  652.860259]  ? finish_task_switch+0x1b4/0x910
[  652.864755]  ? skb_split+0x11e0/0x11e0
[  652.868637]  ? preempt_notifier_register+0x200/0x200
[  652.873733]  ? __switch_to_asm+0x34/0x70
[  652.877786]  ? __switch_to_asm+0x34/0x70
[  652.881839]  ? __switch_to_asm+0x40/0x70
[  652.885893]  ? __switch_to_asm+0x34/0x70
[  652.889945]  ? __switch_to_asm+0x40/0x70
[  652.894001]  ? __switch_to_asm+0x34/0x70
[  652.898051]  ? __switch_to_asm+0x40/0x70
[  652.902103]  ? __switch_to_asm+0x34/0x70
[  652.906154]  ? __switch_to_asm+0x34/0x70
[  652.910206]  ? __switch_to_asm+0x40/0x70
[  652.914261]  ? __switch_to_asm+0x34/0x70
[  652.918320]  bpf_clone_redirect+0xb9/0x490
[  652.922547]  ? __schedule+0x8d7/0x21d0
[  652.926431]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  652.931440]  ? __sched_text_start+0x8/0x8
[  652.935581]  ? retint_kernel+0x2d/0x2d
[  652.939469]  ? find_held_lock+0x36/0x1c0
[  652.943529]  ? lock_acquire+0x1ed/0x520
[  652.947501]  ? bpf_test_run+0x3ee/0x7a0
[  652.951468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.956999]  ? check_preemption_disabled+0x48/0x280
[  652.962011]  ? kasan_check_read+0x11/0x20
[  652.966152]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  652.971420]  ? rcu_softirq_qs+0x20/0x20
[  652.975401]  ? preempt_schedule+0x4d/0x60
[  652.979630]  ? ___preempt_schedule+0x16/0x18
[  652.984036]  ? bpf_test_run+0x271/0x7a0
[  652.988019]  ? netlink_diag_dump+0x2a0/0x2a0
[  652.992422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.997950]  ? bpf_test_init.isra.10+0x70/0x100
[  653.002626]  ? bpf_prog_test_run_skb+0x762/0xd60
[  653.007385]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  653.012225]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  653.017756]  ? fput+0x130/0x1a0
[  653.021032]  ? __bpf_prog_get+0x9b/0x290
[  653.025088]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  653.029926]  ? bpf_prog_test_run+0x130/0x1a0
[  653.034333]  ? __x64_sys_bpf+0x3d8/0x520
[  653.038386]  ? bpf_prog_get+0x20/0x20
[  653.042194]  ? do_syscall_64+0x1b9/0x820
[  653.046247]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  653.051605]  ? syscall_return_slowpath+0x5e0/0x5e0
[  653.056531]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.061381]  ? trace_hardirqs_on_caller+0x310/0x310
[  653.066393]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  653.071404]  ? prepare_exit_to_usermode+0x291/0x3b0
[  653.076422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.081269]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  653.086653] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  653.086713] aoe: skb alloc failure
[  653.093667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  653.093672] Call Trace:
[  653.093678]  <IRQ>
[  653.093694]  dump_stack+0x244/0x39d
[  653.093712]  ? dump_stack_print_info.cold.1+0x20/0x20
[  653.097256] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  653.106582]  ? __wake_up+0xe/0x10
[  653.109139] syz-executor0 cpuset=syz0 mems_allowed=0
[  653.111281]  warn_alloc.cold.116+0xb7/0x1bd
[  653.143333]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  653.148174]  ? lock_downgrade+0x900/0x900
[  653.152330]  ? trace_hardirqs_off+0xb8/0x310
[  653.156741]  ? trace_hardirqs_off+0xb8/0x310
[  653.161148]  __alloc_pages_slowpath+0x2651/0x2de0
[  653.166006]  ? warn_alloc+0x120/0x120
[  653.169800]  ? print_usage_bug+0xc0/0xc0
[  653.173854]  ? warn_alloc+0x120/0x120
[  653.177729]  ? warn_alloc+0x120/0x120
[  653.181525]  ? print_usage_bug+0xc0/0xc0
[  653.185588]  ? print_usage_bug+0xc0/0xc0
[  653.189642]  ? __lock_acquire+0x62f/0x4c20
[  653.193875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.199409]  ? should_fail+0x22d/0xd01
[  653.203295]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  653.208391]  ? __lock_acquire+0x62f/0x4c20
[  653.212622]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  653.217717]  ? __lock_acquire+0x62f/0x4c20
[  653.221948]  ? should_fail+0x22d/0xd01
[  653.226122]  ? find_held_lock+0x36/0x1c0
[  653.230185]  ? mark_held_locks+0x130/0x130
[  653.234425]  ? mark_held_locks+0x130/0x130
[  653.238658]  ? zap_class+0x640/0x640
[  653.242367]  ? zap_class+0x640/0x640
[  653.246077]  ? print_usage_bug+0xc0/0xc0
[  653.250129]  ? do_raw_spin_unlock+0xa7/0x330
[  653.254530]  ? zap_class+0x640/0x640
[  653.258236]  ? print_usage_bug+0xc0/0xc0
[  653.262292]  ? wq_watchdog_touch+0x9c/0xfe
[  653.266527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.272063]  ? check_preemption_disabled+0x48/0x280
[  653.277080]  ? __lock_is_held+0xb5/0x140
[  653.281143]  __alloc_pages_nodemask+0xad8/0xea0
[  653.285807]  ? zap_class+0x640/0x640
[  653.289519]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  653.294536]  ? find_held_lock+0x36/0x1c0
[  653.298602]  ? ____cache_alloc_node+0x1c7/0x1e0
[  653.303268]  ? lock_downgrade+0x900/0x900
[  653.307413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.312953]  cache_grow_begin+0xa5/0x8c0
[  653.317009]  ? do_raw_spin_unlock+0xa7/0x330
[  653.321415]  fallback_alloc+0x204/0x2e0
[  653.325386]  ____cache_alloc_node+0x1c7/0x1e0
[  653.329881]  kmem_cache_alloc_node+0xe3/0x730
[  653.334380]  ? ipv6_get_ifaddr+0x42e/0x620
[  653.338619]  __alloc_skb+0x119/0x770
[  653.342328]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.347601]  ? netdev_alloc_frag+0x1f0/0x1f0
[  653.352003]  ? lock_downgrade+0x900/0x900
[  653.356154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.361691]  ? refcount_sub_and_test_checked+0x203/0x310
[  653.367137]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  653.372583]  ? addrconf_rs_timer+0x690/0x690
[  653.376996]  ndisc_alloc_skb+0x144/0x340
[  653.381052]  ndisc_send_rs+0x331/0x6e0
[  653.384944]  addrconf_rs_timer+0x314/0x690
[  653.389184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.393421]  call_timer_fn+0x272/0x920
[  653.397305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.401533]  ? process_timeout+0x40/0x40
[  653.405979]  ? mark_held_locks+0xc7/0x130
[  653.410126]  ? _raw_spin_unlock_irq+0x27/0x80
[  653.414612]  ? _raw_spin_unlock_irq+0x27/0x80
[  653.419097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.423324]  ? lockdep_hardirqs_on+0x296/0x5b0
[  653.427904]  ? trace_hardirqs_on+0xbd/0x310
[  653.432224]  ? kasan_check_read+0x11/0x20
[  653.436361]  ? __run_timers+0x7da/0xc70
[  653.440333]  ? trace_hardirqs_off_caller+0x310/0x310
[  653.445442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.449677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.453902]  __run_timers+0x7e5/0xc70
[  653.457710]  ? timer_fixup_init+0x70/0x70
[  653.461856]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  653.466865]  ? zap_class+0x640/0x640
[  653.470577]  ? print_usage_bug+0xc0/0xc0
[  653.474632]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  653.479822]  ? find_held_lock+0x36/0x1c0
[  653.483881]  ? zap_class+0x640/0x640
[  653.487597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.493132]  ? check_preemption_disabled+0x48/0x280
[  653.498150]  ? __lock_is_held+0xb5/0x140
[  653.502209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.507741]  ? check_preemption_disabled+0x48/0x280
[  653.512757]  run_timer_softirq+0x52/0xb0
[  653.516810]  ? rcu_read_lock_sched_held+0x14f/0x180
[  653.521824]  __do_softirq+0x308/0xb7e
[  653.525624]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  653.530110]  ? lock_downgrade+0x900/0x900
[  653.534256]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  653.539354]  ? pvclock_read_flags+0x160/0x160
[  653.543843]  ? lapic_next_event+0x5a/0x90
[  653.547984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.553523]  ? kvm_clock_read+0x18/0x30
[  653.557488]  ? kvm_sched_clock_read+0x9/0x20
[  653.561892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.567440]  ? check_preemption_disabled+0x48/0x280
[  653.572454]  irq_exit+0x17f/0x1c0
[  653.575913]  smp_apic_timer_interrupt+0x1cb/0x760
[  653.580748]  ? smp_call_function_single_interrupt+0x159/0x650
[  653.586625]  ? smp_call_function_single_interrupt+0x650/0x650
[  653.592500]  ? interrupt_entry+0xb5/0xc0
[  653.596555]  ? trace_hardirqs_off_caller+0xbb/0x310
[  653.601562]  ? trace_hardirqs_off_caller+0xbb/0x310
[  653.606574]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.611412]  ? trace_hardirqs_on_caller+0x310/0x310
[  653.616420]  ? trace_hardirqs_on_caller+0x310/0x310
[  653.621431]  ? task_prio+0x50/0x50
[  653.624965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.630504]  ? check_preemption_disabled+0x48/0x280
[  653.635530]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.640382]  apic_timer_interrupt+0xf/0x20
[  653.644606]  </IRQ>
[  653.646837] RIP: 0010:smp_call_function_single+0x30a/0x660
[  653.652453] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  653.671519] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  653.679220] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  653.686481] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  653.693741] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  653.701000] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  653.708264] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  653.715536]  ? smp_call_function_single+0x351/0x660
[  653.720559]  ? smp_call_function_single+0x300/0x660
[  653.725580]  ? rcu_note_context_switch+0x12ad/0x2150
[  653.730684]  ? retint_kernel+0x2d/0x2d
[  653.734567]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  653.740443]  ? generic_exec_single+0x5f0/0x5f0
[  653.745027]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  653.750916]  ? zap_class+0x640/0x640
[  653.754648]  ? smp_call_function_single+0x302/0x660
[  653.759687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.765218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.770750]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  653.775758]  ? find_next_and_bit+0x183/0x1e0
[  653.780176]  smp_call_function_many+0x911/0xae0
[  653.784836]  ? __lock_acquire+0x62f/0x4c20
[  653.789064]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  653.794942]  ? _raw_spin_unlock_irq+0x27/0x80
[  653.799430]  ? _raw_spin_unlock_irq+0x27/0x80
[  653.803919]  ? smp_call_function_single_async+0x370/0x370
[  653.809450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.815000]  ? check_preemption_disabled+0x48/0x280
[  653.820020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.825562]  ? check_preemption_disabled+0x48/0x280
[  653.830583]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  653.836463]  on_each_cpu_mask+0x41/0x240
[  653.840518]  ? x86_configure_nx+0x110/0x110
[  653.844829]  on_each_cpu_cond_mask+0x171/0x210
[  653.849404]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  653.855280]  ? on_each_cpu_mask+0x240/0x240
[  653.859611]  native_flush_tlb_others+0x2ea/0x690
[  653.864363]  ? initialize_tlbstate_and_flush+0x380/0x380
[  653.869816]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  653.874828]  ? find_next_bit+0x104/0x130
[  653.878892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.884420]  ? find_next_bit+0x104/0x130
[  653.888478]  ? cpumask_next+0x41/0x50
[  653.892271]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  653.897279]  ? cpumask_any_but+0xb1/0xe0
[  653.901338]  flush_tlb_mm_range+0x2fe/0x5d0
[  653.905652]  ? fault_around_bytes_set+0x90/0x90
[  653.910321]  ? native_flush_tlb_others+0x690/0x690
[  653.915244]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  653.920779]  ? alloc_pages_current+0x17b/0x350
[  653.925364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.930899]  ? __tlb_remove_page_size+0x187/0x500
[  653.935738]  unmap_page_range+0x1eef/0x2930
[  653.940071]  ? vm_normal_page_pmd+0x510/0x510
[  653.944566]  ? mark_held_locks+0x130/0x130
[  653.948803]  ? finish_task_switch+0x1f4/0x910
[  653.953297]  ? finish_task_switch+0x1b4/0x910
[  653.957783]  ? __switch_to_asm+0x34/0x70
[  653.961855]  ? zap_class+0x640/0x640
[  653.965572]  ? prepare_to_wait_event+0x39f/0xa10
[  653.970341]  ? tlb_table_flush+0xb4/0x5c0
[  653.974481]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  653.979577]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  653.984677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.990210]  ? tlb_flush_mmu_free+0x105/0x170
[  653.994704]  ? tlb_flush_mmu+0x58/0x520
[  653.998679]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  654.003171]  ? kasan_check_write+0x14/0x20
[  654.007398]  ? tlb_finish_mmu+0x166/0x1f0
[  654.011542]  ? tlb_gather_mmu+0x440/0x440
[  654.015687]  ? kasan_check_write+0x14/0x20
[  654.019919]  __oom_reap_task_mm+0xf7/0x410
[  654.024157]  ? process_shares_mm+0x460/0x460
[  654.028577]  oom_reaper+0x2b7/0x11e0
[  654.032290]  ? __oom_reap_task_mm+0x410/0x410
[  654.036777]  ? lock_pin_lock+0x350/0x350
[  654.040840]  ? finish_wait+0x430/0x430
[  654.044734]  ? __schedule+0x168a/0x21d0
[  654.048697]  ? __switch_to_asm+0x40/0x70
[  654.052747]  ? __switch_to_asm+0x40/0x70
[  654.057061]  ? zap_class+0x640/0x640
[  654.060778]  ? __sched_text_start+0x8/0x8
[  654.064926]  ? find_held_lock+0x36/0x1c0
[  654.068989]  ? __kthread_parkme+0xce/0x1a0
[  654.073218]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  654.078312]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  654.083409]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  654.087988]  ? trace_hardirqs_on+0xbd/0x310
[  654.092306]  ? kasan_check_read+0x11/0x20
[  654.096447]  ? __kthread_parkme+0xce/0x1a0
[  654.100684]  ? trace_hardirqs_off_caller+0x310/0x310
[  654.105781]  ? preempt_schedule+0x4d/0x60
[  654.109926]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  654.115027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.120557]  ? __kthread_parkme+0xfb/0x1a0
[  654.124786]  ? __oom_reap_task_mm+0x410/0x410
[  654.129273]  kthread+0x35a/0x440
[  654.132637]  ? kthread_stop+0x900/0x900
[  654.136610]  ret_from_fork+0x3a/0x50
[  654.140343] warn_alloc_show_mem: 1 callbacks suppressed
[  654.140352] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  654.140353] Mem-Info:
[  654.140384] active_anon:44214 inactive_anon:199 isolated_anon:0
[  654.140384]  active_file:6 inactive_file:21 isolated_file:0
[  654.140384]  unevictable:0 dirty:0 writeback:0 unstable:0
[  654.140384]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  654.140384]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  654.140384]  free:13686 free_pcp:384 free_cma:0
[  654.145709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  654.145716] Call Trace:
[  654.153076] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  654.155464]  <IRQ>
[  654.188244] 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
[  654.197591]  dump_stack+0x244/0x39d
[  654.200141] lowmem_reserve[]: 0 2818 6321 6321
[  654.227454]  ? dump_stack_print_info.cold.1+0x20/0x20
[  654.229572] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  654.255674]  ? __wake_up+0xe/0x10
[  654.259265] lowmem_reserve[]: 0 0 3503 3503
[  654.263853]  warn_alloc.cold.116+0xb7/0x1bd
[  654.269008] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  654.296320]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  654.299739] lowmem_reserve[]: 0 0 0 0
[  654.304056]  ? lock_downgrade+0x900/0x900
[  654.308350] 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
[  654.337317]  ? trace_hardirqs_off+0xb8/0x310
[  654.342128] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  654.345923]  ? trace_hardirqs_off+0xb8/0x310
[  654.350037] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  654.363553]  __alloc_pages_slowpath+0x2651/0x2de0
[  654.367935] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  654.383109]  ? warn_alloc+0x120/0x120
[  654.387478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  654.401073]  ? warn_alloc+0x120/0x120
[  654.405888] 271 total pagecache pages
[  654.414707]  ? __lock_acquire+0x62f/0x4c20
[  654.418483] 0 pages in swap cache
[  654.427039]  ? warn_alloc+0x120/0x120
[  654.430816] Swap cache stats: add 0, delete 0, find 0/0
[  654.434609]  ? print_usage_bug+0xc0/0xc0
[  654.438816] Free swap  = 0kB
[  654.442263]  ? print_usage_bug+0xc0/0xc0
[  654.446031] Total swap = 0kB
[  654.446038] 1965979 pages RAM
[  654.451385]  ? mark_held_locks+0x130/0x130
[  654.455421] 0 pages HighMem/MovableOnly
[  654.455428] 342854 pages reserved
[  654.458449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.462480] 0 pages cma reserved
[  654.465487]  ? should_fail+0x22d/0xd01
[  654.468613] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  654.472779]  ? zap_class+0x640/0x640
[  654.472796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  654.476838] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  654.480180]  ? __lock_acquire+0x62f/0x4c20
[  654.485689] oom_reaper cpuset=/ mems_allowed=0
[  654.489045]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  654.532221]  ? should_fail+0x22d/0xd01
[  654.536116]  ? mark_held_locks+0x130/0x130
[  654.540352]  ? mark_held_locks+0x130/0x130
[  654.544591]  ? lock_downgrade+0x900/0x900
[  654.548733]  ? zap_class+0x640/0x640
[  654.552438]  ? zap_class+0x640/0x640
[  654.556145]  ? zap_class+0x640/0x640
[  654.559853]  ? do_raw_spin_unlock+0xa7/0x330
[  654.564256]  ? trace_hardirqs_on+0x310/0x310
[  654.568661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.574194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.579730]  ? check_preemption_disabled+0x48/0x280
[  654.584746]  ? __lock_is_held+0xb5/0x140
[  654.588806]  __alloc_pages_nodemask+0xad8/0xea0
[  654.593476]  ? zap_class+0x640/0x640
[  654.597187]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  654.602206]  ? find_held_lock+0x36/0x1c0
[  654.606270]  ? ____cache_alloc_node+0x1c7/0x1e0
[  654.610937]  ? lock_downgrade+0x900/0x900
[  654.615088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.620625]  cache_grow_begin+0xa5/0x8c0
[  654.624683]  ? do_raw_spin_unlock+0xa7/0x330
[  654.629090]  fallback_alloc+0x204/0x2e0
[  654.633066]  ____cache_alloc_node+0x1c7/0x1e0
[  654.637558]  kmem_cache_alloc_node+0xe3/0x730
[  654.642053]  ? lockdep_hardirqs_on+0x296/0x5b0
[  654.646635]  __alloc_skb+0x119/0x770
[  654.650349]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  654.655708]  ? netdev_alloc_frag+0x1f0/0x1f0
[  654.660122]  ? vprintk_default+0x28/0x30
[  654.664176]  ? vprintk_func+0x85/0x181
[  654.668056]  ? printk+0xa7/0xcf
[  654.671328]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  654.676085]  new_skb+0x26/0x1c0
[  654.679361]  aoecmd_cfg+0x279/0x7f0
[  654.682982]  ? find_held_lock+0x36/0x1c0
[  654.687037]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  654.691462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.697005]  ? __lock_is_held+0xb5/0x140
[  654.701068]  discover_timer+0x50/0x60
[  654.704866]  call_timer_fn+0x272/0x920
[  654.708752]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  654.713590]  ? process_timeout+0x40/0x40
[  654.717650]  ? __run_timers+0x7da/0xc70
[  654.721617]  ? _raw_spin_unlock_irq+0x27/0x80
[  654.726110]  ? _raw_spin_unlock_irq+0x27/0x80
[  654.730595]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  654.735430]  ? lockdep_hardirqs_on+0x296/0x5b0
[  654.740009]  ? trace_hardirqs_on+0xbd/0x310
[  654.744326]  ? kasan_check_read+0x11/0x20
[  654.748468]  ? __run_timers+0x7da/0xc70
[  654.752437]  ? trace_hardirqs_off_caller+0x310/0x310
[  654.757566]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  654.762403]  __run_timers+0x7e5/0xc70
[  654.766203]  ? timer_fixup_init+0x70/0x70
[  654.770347]  ? lock_acquire+0x1ed/0x520
[  654.774318]  ? zap_class+0x640/0x640
[  654.778026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.783566]  ? kasan_check_read+0x11/0x20
[  654.787705]  ? do_raw_spin_lock+0x14f/0x350
[  654.792031]  ? find_held_lock+0x36/0x1c0
[  654.796091]  ? zap_class+0x640/0x640
[  654.799813]  ? pvclock_read_flags+0x160/0x160
[  654.804304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.809843]  ? check_preemption_disabled+0x48/0x280
[  654.814864]  ? __lock_is_held+0xb5/0x140
[  654.818927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.824462]  ? check_preemption_disabled+0x48/0x280
[  654.829478]  run_timer_softirq+0x52/0xb0
[  654.833531]  ? rcu_read_lock_sched_held+0x14f/0x180
[  654.838555]  __do_softirq+0x308/0xb7e
[  654.842355]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  654.846842]  ? lock_downgrade+0x900/0x900
[  654.851009]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  654.856112]  ? pvclock_read_flags+0x160/0x160
[  654.860700]  ? lapic_next_event+0x5a/0x90
[  654.864841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.870375]  ? kvm_clock_read+0x18/0x30
[  654.874346]  ? kvm_sched_clock_read+0x9/0x20
[  654.878753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.884289]  ? check_preemption_disabled+0x48/0x280
[  654.889307]  irq_exit+0x17f/0x1c0
[  654.892754]  smp_apic_timer_interrupt+0x1cb/0x760
[  654.897596]  ? smp_call_function_single_interrupt+0x159/0x650
[  654.903474]  ? smp_call_function_single_interrupt+0x650/0x650
[  654.909351]  ? interrupt_entry+0xb5/0xc0
[  654.913410]  ? trace_hardirqs_off_caller+0xbb/0x310
[  654.918422]  ? trace_hardirqs_off_caller+0xbb/0x310
[  654.923435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.928280]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.933286]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.938294]  ? task_prio+0x50/0x50
[  654.941830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.947363]  ? check_preemption_disabled+0x48/0x280
[  654.952386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.957235]  apic_timer_interrupt+0xf/0x20
[  654.961459]  </IRQ>
[  654.963695] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  654.969488] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  654.988382] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  654.996086] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  655.003349] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  655.010608] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  655.017870] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  655.025137] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  655.032431]  skb_clone+0x1bb/0x500
[  655.035965]  ? finish_task_switch+0x1b4/0x910
[  655.040457]  ? skb_split+0x11e0/0x11e0
[  655.044361]  ? preempt_notifier_register+0x200/0x200
[  655.049458]  ? __switch_to_asm+0x34/0x70
[  655.053515]  ? __switch_to_asm+0x34/0x70
[  655.057574]  ? __switch_to_asm+0x40/0x70
[  655.061627]  ? __switch_to_asm+0x34/0x70
[  655.065680]  ? __switch_to_asm+0x40/0x70
[  655.069734]  ? __switch_to_asm+0x34/0x70
[  655.073791]  ? __switch_to_asm+0x40/0x70
[  655.077848]  ? __switch_to_asm+0x34/0x70
[  655.081906]  ? __switch_to_asm+0x34/0x70
[  655.085956]  ? __switch_to_asm+0x40/0x70
[  655.090009]  ? __switch_to_asm+0x34/0x70
[  655.094066]  bpf_clone_redirect+0xb9/0x490
[  655.098306]  ? __schedule+0x8d7/0x21d0
[  655.102193]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  655.107226]  ? __sched_text_start+0x8/0x8
[  655.111367]  ? retint_kernel+0x2d/0x2d
[  655.115259]  ? find_held_lock+0x36/0x1c0
[  655.119320]  ? lock_acquire+0x1ed/0x520
[  655.123289]  ? bpf_test_run+0x3ee/0x7a0
[  655.127261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.132798]  ? check_preemption_disabled+0x48/0x280
[  655.137812]  ? kasan_check_read+0x11/0x20
[  655.141956]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.147225]  ? rcu_softirq_qs+0x20/0x20
[  655.151198]  ? preempt_schedule+0x4d/0x60
[  655.155342]  ? ___preempt_schedule+0x16/0x18
[  655.159748]  ? bpf_test_run+0x271/0x7a0
[  655.163734]  ? netlink_diag_dump+0x2a0/0x2a0
[  655.168145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.173674]  ? bpf_test_init.isra.10+0x70/0x100
[  655.178340]  ? bpf_prog_test_run_skb+0x762/0xd60
[  655.183097]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  655.187940]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  655.193472]  ? fput+0x130/0x1a0
[  655.196748]  ? __bpf_prog_get+0x9b/0x290
[  655.200812]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  655.205656]  ? bpf_prog_test_run+0x130/0x1a0
[  655.210062]  ? __x64_sys_bpf+0x3d8/0x520
[  655.214115]  ? bpf_prog_get+0x20/0x20
[  655.217928]  ? do_syscall_64+0x1b9/0x820
[  655.221986]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  655.227854]  ? syscall_return_slowpath+0x5e0/0x5e0
[  655.232799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.237641]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.242650]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  655.247659]  ? prepare_exit_to_usermode+0x291/0x3b0
[  655.252677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.257536]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  655.262910] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  655.262965] aoe: skb alloc failure
[  655.269916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  655.269923] Call Trace:
[  655.274128] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  655.283406]  <IRQ>
[  655.285974] syz-executor0 cpuset=syz0 mems_allowed=0
[  655.296445]  dump_stack+0x244/0x39d
[  655.307267]  ? dump_stack_print_info.cold.1+0x20/0x20
[  655.312454]  ? __wake_up+0xe/0x10
[  655.315907]  warn_alloc.cold.116+0xb7/0x1bd
[  655.320224]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  655.325063]  ? lock_downgrade+0x900/0x900
[  655.329213]  ? trace_hardirqs_off+0xb8/0x310
[  655.333620]  ? trace_hardirqs_off+0xb8/0x310
[  655.338039]  __alloc_pages_slowpath+0x2651/0x2de0
[  655.342897]  ? warn_alloc+0x120/0x120
[  655.346692]  ? print_usage_bug+0xc0/0xc0
[  655.350753]  ? warn_alloc+0x120/0x120
[  655.354552]  ? warn_alloc+0x120/0x120
[  655.358348]  ? print_usage_bug+0xc0/0xc0
[  655.362407]  ? kvm_clock_read+0x18/0x30
[  655.366376]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  655.371389]  ? print_usage_bug+0xc0/0xc0
[  655.375443]  ? __lock_acquire+0x62f/0x4c20
[  655.379679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.385209]  ? should_fail+0x22d/0xd01
[  655.389090]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.394364]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  655.399467]  ? __lock_acquire+0x62f/0x4c20
[  655.403699]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  655.408800]  ? __lock_acquire+0x62f/0x4c20
[  655.413042]  ? should_fail+0x22d/0xd01
[  655.416921]  ? rcu_irq_exit+0x1a2/0x390
[  655.420895]  ? mark_held_locks+0x130/0x130
[  655.425125]  ? mark_held_locks+0x130/0x130
[  655.429360]  ? mark_held_locks+0xc7/0x130
[  655.433500]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  655.438523]  ? zap_class+0x640/0x640
[  655.442230]  ? print_usage_bug+0xc0/0xc0
[  655.446291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.451821]  ? check_preemption_disabled+0x48/0x280
[  655.456838]  ? __lock_is_held+0xb5/0x140
[  655.460901]  __alloc_pages_nodemask+0xad8/0xea0
[  655.465566]  ? zap_class+0x640/0x640
[  655.469285]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  655.474306]  ? find_held_lock+0x36/0x1c0
[  655.478370]  ? ____cache_alloc_node+0x1c7/0x1e0
[  655.483038]  ? lock_downgrade+0x900/0x900
[  655.487196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.492735]  cache_grow_begin+0xa5/0x8c0
[  655.496788]  ? do_raw_spin_unlock+0xa7/0x330
[  655.501220]  fallback_alloc+0x204/0x2e0
[  655.505193]  ____cache_alloc_node+0x1c7/0x1e0
[  655.509685]  kmem_cache_alloc_node+0xe3/0x730
[  655.514174]  ? ipv6_get_ifaddr+0x42e/0x620
[  655.518420]  __alloc_skb+0x119/0x770
[  655.522125]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.527401]  ? netdev_alloc_frag+0x1f0/0x1f0
[  655.531805]  ? lock_downgrade+0x900/0x900
[  655.535953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.541490]  ? refcount_sub_and_test_checked+0x203/0x310
[  655.546938]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  655.552380]  ? addrconf_rs_timer+0x690/0x690
[  655.556791]  ndisc_alloc_skb+0x144/0x340
[  655.560848]  ndisc_send_rs+0x331/0x6e0
[  655.564740]  addrconf_rs_timer+0x314/0x690
[  655.568976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.573216]  call_timer_fn+0x272/0x920
[  655.577099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.581327]  ? process_timeout+0x40/0x40
[  655.585390]  ? mark_held_locks+0xc7/0x130
[  655.589533]  ? _raw_spin_unlock_irq+0x27/0x80
[  655.594019]  ? _raw_spin_unlock_irq+0x27/0x80
[  655.598506]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.602740]  ? lockdep_hardirqs_on+0x296/0x5b0
[  655.607320]  ? trace_hardirqs_on+0xbd/0x310
[  655.611634]  ? kasan_check_read+0x11/0x20
[  655.615772]  ? __run_timers+0x7da/0xc70
[  655.619745]  ? trace_hardirqs_off_caller+0x310/0x310
[  655.624843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.629074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.633297]  __run_timers+0x7e5/0xc70
[  655.637098]  ? timer_fixup_init+0x70/0x70
[  655.641239]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  655.646249]  ? zap_class+0x640/0x640
[  655.649958]  ? print_usage_bug+0xc0/0xc0
[  655.654015]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  655.659206]  ? find_held_lock+0x36/0x1c0
[  655.663279]  ? zap_class+0x640/0x640
[  655.666997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.672529]  ? check_preemption_disabled+0x48/0x280
[  655.677545]  ? __lock_is_held+0xb5/0x140
[  655.681599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.687130]  ? check_preemption_disabled+0x48/0x280
[  655.692407]  run_timer_softirq+0x52/0xb0
[  655.696462]  ? rcu_read_lock_sched_held+0x14f/0x180
[  655.701469]  __do_softirq+0x308/0xb7e
[  655.705265]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  655.710103]  ? lock_downgrade+0x900/0x900
[  655.714249]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  655.719350]  ? pvclock_read_flags+0x160/0x160
[  655.723838]  ? lapic_next_event+0x5a/0x90
[  655.727988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.733525]  ? kvm_clock_read+0x18/0x30
[  655.737495]  ? kvm_sched_clock_read+0x9/0x20
[  655.741899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.747430]  ? check_preemption_disabled+0x48/0x280
[  655.752446]  irq_exit+0x17f/0x1c0
[  655.755899]  smp_apic_timer_interrupt+0x1cb/0x760
[  655.760743]  ? smp_call_function_single_interrupt+0x159/0x650
[  655.766621]  ? smp_call_function_single_interrupt+0x650/0x650
[  655.772496]  ? interrupt_entry+0xb5/0xc0
[  655.776554]  ? trace_hardirqs_off_caller+0xbb/0x310
[  655.781562]  ? trace_hardirqs_off_caller+0xbb/0x310
[  655.786571]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.791408]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.796416]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.801427]  ? task_prio+0x50/0x50
[  655.804966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.810556]  ? check_preemption_disabled+0x48/0x280
[  655.815573]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.820419]  apic_timer_interrupt+0xf/0x20
[  655.824639]  </IRQ>
[  655.826870] RIP: 0010:smp_call_function_single+0x30a/0x660
[  655.832490] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  655.851380] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  655.859086] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  655.866350] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  655.873609] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  655.880962] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  655.888314] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  655.895606]  ? smp_call_function_single+0x351/0x660
[  655.900615]  ? smp_call_function_single+0x300/0x660
[  655.905631]  ? rcu_note_context_switch+0x12ad/0x2150
[  655.910723]  ? retint_kernel+0x2d/0x2d
[  655.914602]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  655.920483]  ? generic_exec_single+0x5f0/0x5f0
[  655.925059]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  655.930935]  ? zap_class+0x640/0x640
[  655.934644]  ? smp_call_function_single+0x302/0x660
[  655.939652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.945188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.950722]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  655.955730]  ? find_next_and_bit+0x183/0x1e0
[  655.960139]  smp_call_function_many+0x911/0xae0
[  655.964802]  ? __lock_acquire+0x62f/0x4c20
[  655.969031]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  655.974909]  ? _raw_spin_unlock_irq+0x27/0x80
[  655.979396]  ? _raw_spin_unlock_irq+0x27/0x80
[  655.983884]  ? smp_call_function_single_async+0x370/0x370
[  655.989415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.994960]  ? check_preemption_disabled+0x48/0x280
[  655.999977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.005506]  ? check_preemption_disabled+0x48/0x280
[  656.010521]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  656.016398]  on_each_cpu_mask+0x41/0x240
[  656.020452]  ? x86_configure_nx+0x110/0x110
[  656.024767]  on_each_cpu_cond_mask+0x171/0x210
[  656.029344]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  656.035222]  ? on_each_cpu_mask+0x240/0x240
[  656.039553]  native_flush_tlb_others+0x2ea/0x690
[  656.044302]  ? initialize_tlbstate_and_flush+0x380/0x380
[  656.049753]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  656.054759]  ? find_next_bit+0x104/0x130
[  656.059063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.064592]  ? find_next_bit+0x104/0x130
[  656.068649]  ? cpumask_next+0x41/0x50
[  656.072450]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  656.077463]  ? cpumask_any_but+0xb1/0xe0
[  656.081524]  flush_tlb_mm_range+0x2fe/0x5d0
[  656.085841]  ? fault_around_bytes_set+0x90/0x90
[  656.090514]  ? native_flush_tlb_others+0x690/0x690
[  656.095451]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  656.100989]  ? alloc_pages_current+0x17b/0x350
[  656.105572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.111103]  ? __tlb_remove_page_size+0x187/0x500
[  656.115952]  unmap_page_range+0x1eef/0x2930
[  656.120288]  ? vm_normal_page_pmd+0x510/0x510
[  656.124783]  ? mark_held_locks+0x130/0x130
[  656.129022]  ? finish_task_switch+0x1f4/0x910
[  656.133525]  ? finish_task_switch+0x1b4/0x910
[  656.138013]  ? __switch_to_asm+0x34/0x70
[  656.142087]  ? zap_class+0x640/0x640
[  656.145796]  ? prepare_to_wait_event+0x39f/0xa10
[  656.150544]  ? tlb_table_flush+0xb4/0x5c0
[  656.154697]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  656.159792]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  656.164890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.170421]  ? tlb_flush_mmu_free+0x105/0x170
[  656.174914]  ? tlb_flush_mmu+0x58/0x520
[  656.178889]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  656.183380]  ? kasan_check_write+0x14/0x20
[  656.187605]  ? tlb_finish_mmu+0x166/0x1f0
[  656.191746]  ? tlb_gather_mmu+0x440/0x440
[  656.195891]  ? kasan_check_write+0x14/0x20
[  656.200122]  __oom_reap_task_mm+0xf7/0x410
[  656.204356]  ? process_shares_mm+0x460/0x460
[  656.208779]  oom_reaper+0x2b7/0x11e0
[  656.212495]  ? __oom_reap_task_mm+0x410/0x410
[  656.216994]  ? lock_pin_lock+0x350/0x350
[  656.221054]  ? finish_wait+0x430/0x430
[  656.224954]  ? __schedule+0x168a/0x21d0
[  656.228926]  ? __switch_to_asm+0x40/0x70
[  656.232984]  ? __switch_to_asm+0x40/0x70
[  656.237049]  ? zap_class+0x640/0x640
[  656.240762]  ? __sched_text_start+0x8/0x8
[  656.244915]  ? find_held_lock+0x36/0x1c0
[  656.248983]  ? __kthread_parkme+0xce/0x1a0
[  656.253225]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  656.258318]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  656.263423]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  656.268006]  ? trace_hardirqs_on+0xbd/0x310
[  656.272320]  ? kasan_check_read+0x11/0x20
[  656.276467]  ? __kthread_parkme+0xce/0x1a0
[  656.280696]  ? trace_hardirqs_off_caller+0x310/0x310
[  656.285798]  ? preempt_schedule+0x4d/0x60
[  656.289945]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  656.295040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.300571]  ? __kthread_parkme+0xfb/0x1a0
[  656.304799]  ? __oom_reap_task_mm+0x410/0x410
[  656.309286]  kthread+0x35a/0x440
[  656.312649]  ? kthread_stop+0x900/0x900
[  656.316622]  ret_from_fork+0x3a/0x50
[  656.320354] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  656.320358] warn_alloc_show_mem: 1 callbacks suppressed
[  656.320364] Mem-Info:
[  656.327714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  656.333076] active_anon:44214 inactive_anon:199 isolated_anon:0
[  656.333076]  active_file:6 inactive_file:21 isolated_file:0
[  656.333076]  unevictable:0 dirty:0 writeback:0 unstable:0
[  656.333076]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  656.333076]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  656.333076]  free:13686 free_pcp:384 free_cma:0
[  656.335447] Call Trace:
[  656.344820] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  656.377569]  <IRQ>
[  656.380133] 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
[  656.407444]  dump_stack+0x244/0x39d
[  656.409561] lowmem_reserve[]: 0 2818 6321 6321
[  656.435667]  ? dump_stack_print_info.cold.1+0x20/0x20
[  656.439270] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  656.443840]  ? __wake_up+0xe/0x10
[  656.448991] lowmem_reserve[]: 0 0 3503 3503
[  656.476313]  warn_alloc.cold.116+0xb7/0x1bd
[  656.479733] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  656.484041]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  656.488331] lowmem_reserve[]: 0 0 0 0
[  656.517289]  ? lock_downgrade+0x900/0x900
[  656.522103] 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
[  656.525895]  ? trace_hardirqs_off+0xb8/0x310
[  656.530013] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  656.543527]  ? trace_hardirqs_off+0xb8/0x310
[  656.548177] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  656.563333]  __alloc_pages_slowpath+0x2651/0x2de0
[  656.567713] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  656.581322]  ? warn_alloc+0x120/0x120
[  656.586124] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  656.594944]  ? warn_alloc+0x120/0x120
[  656.598712] 271 total pagecache pages
[  656.607275]  ? warn_alloc+0x120/0x120
[  656.611052] 0 pages in swap cache
[  656.614835]  ? print_usage_bug+0xc0/0xc0
[  656.618612] Swap cache stats: add 0, delete 0, find 0/0
[  656.622051]  ? print_usage_bug+0xc0/0xc0
[  656.626109] Free swap  = 0kB
[  656.631454]  ? ktime_get+0x2c1/0x400
[  656.635481] Total swap = 0kB
[  656.635488] 1965979 pages RAM
[  656.638496]  ? check_preemption_disabled+0x48/0x280
[  656.642174] 0 pages HighMem/MovableOnly
[  656.642181] 342854 pages reserved
[  656.645186]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  656.648259] 0 pages cma reserved
[  656.653259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.657251] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  656.660655]  ? should_fail+0x22d/0xd01
[  656.665295] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  656.668479]  ? kasan_check_read+0x11/0x20
[  656.673986] oom_reaper cpuset=/ mems_allowed=0
[  656.680464]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  656.708304]  ? __lock_acquire+0x62f/0x4c20
[  656.712538]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  656.717648]  ? should_fail+0x22d/0xd01
[  656.721530]  ? print_usage_bug+0xc0/0xc0
[  656.725593]  ? mark_held_locks+0x130/0x130
[  656.729831]  ? mark_held_locks+0x130/0x130
[  656.734065]  ? check_preemption_disabled+0x48/0x280
[  656.739087]  ? zap_class+0x640/0x640
[  656.742799]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  656.747549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.753080]  ? check_preemption_disabled+0x48/0x280
[  656.758095]  ? __lock_is_held+0xb5/0x140
[  656.762154]  __alloc_pages_nodemask+0xad8/0xea0
[  656.766817]  ? zap_class+0x640/0x640
[  656.770529]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  656.775552]  ? find_held_lock+0x36/0x1c0
[  656.779623]  ? ____cache_alloc_node+0x1c7/0x1e0
[  656.784286]  ? lock_downgrade+0x900/0x900
[  656.788433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.793969]  cache_grow_begin+0xa5/0x8c0
[  656.798026]  ? do_raw_spin_unlock+0xa7/0x330
[  656.802439]  fallback_alloc+0x204/0x2e0
[  656.806411]  ____cache_alloc_node+0x1c7/0x1e0
[  656.810906]  kmem_cache_alloc_node+0xe3/0x730
[  656.815398]  ? lockdep_hardirqs_on+0x296/0x5b0
[  656.819983]  __alloc_skb+0x119/0x770
[  656.823691]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  656.829050]  ? netdev_alloc_frag+0x1f0/0x1f0
[  656.833462]  ? vprintk_default+0x28/0x30
[  656.837520]  ? vprintk_func+0x85/0x181
[  656.841405]  ? printk+0xa7/0xcf
[  656.844681]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  656.849538]  new_skb+0x26/0x1c0
[  656.852814]  aoecmd_cfg+0x279/0x7f0
[  656.856435]  ? find_held_lock+0x36/0x1c0
[  656.860494]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  656.864812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.870353]  ? __lock_is_held+0xb5/0x140
[  656.874423]  discover_timer+0x50/0x60
[  656.878215]  call_timer_fn+0x272/0x920
[  656.882096]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  656.886931]  ? process_timeout+0x40/0x40
[  656.890990]  ? __run_timers+0x7da/0xc70
[  656.894961]  ? _raw_spin_unlock_irq+0x27/0x80
[  656.899452]  ? _raw_spin_unlock_irq+0x27/0x80
[  656.903941]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  656.908777]  ? lockdep_hardirqs_on+0x296/0x5b0
[  656.913362]  ? trace_hardirqs_on+0xbd/0x310
[  656.917675]  ? kasan_check_read+0x11/0x20
[  656.921812]  ? __run_timers+0x7da/0xc70
[  656.925780]  ? trace_hardirqs_off_caller+0x310/0x310
[  656.930886]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  656.935718]  __run_timers+0x7e5/0xc70
[  656.939519]  ? timer_fixup_init+0x70/0x70
[  656.943661]  ? lock_acquire+0x1ed/0x520
[  656.947633]  ? zap_class+0x640/0x640
[  656.951339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.956875]  ? kasan_check_read+0x11/0x20
[  656.961014]  ? do_raw_spin_lock+0x14f/0x350
[  656.965337]  ? find_held_lock+0x36/0x1c0
[  656.969405]  ? zap_class+0x640/0x640
[  656.973115]  ? pvclock_read_flags+0x160/0x160
[  656.977613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.983143]  ? check_preemption_disabled+0x48/0x280
[  656.988160]  ? __lock_is_held+0xb5/0x140
[  656.992217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.997762]  ? check_preemption_disabled+0x48/0x280
[  657.002780]  run_timer_softirq+0x52/0xb0
[  657.006839]  ? rcu_read_lock_sched_held+0x14f/0x180
[  657.011848]  __do_softirq+0x308/0xb7e
[  657.015649]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  657.020135]  ? lock_downgrade+0x900/0x900
[  657.024281]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  657.029386]  ? pvclock_read_flags+0x160/0x160
[  657.033876]  ? lapic_next_event+0x5a/0x90
[  657.038026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.043564]  ? kvm_clock_read+0x18/0x30
[  657.047537]  ? kvm_sched_clock_read+0x9/0x20
[  657.051940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.057470]  ? check_preemption_disabled+0x48/0x280
[  657.062489]  irq_exit+0x17f/0x1c0
[  657.065937]  smp_apic_timer_interrupt+0x1cb/0x760
[  657.070773]  ? smp_call_function_single_interrupt+0x159/0x650
[  657.076682]  ? smp_call_function_single_interrupt+0x650/0x650
[  657.082563]  ? interrupt_entry+0xb5/0xc0
[  657.086628]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.091638]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.096649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.101487]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.106494]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.111504]  ? task_prio+0x50/0x50
[  657.115038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.120568]  ? check_preemption_disabled+0x48/0x280
[  657.125598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.130440]  apic_timer_interrupt+0xf/0x20
[  657.134665]  </IRQ>
[  657.136899] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  657.141824] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  657.160715] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  657.168424] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  657.175697] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  657.182959] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  657.190219] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  657.197482] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  657.204776]  skb_clone+0x1bb/0x500
[  657.208311]  ? finish_task_switch+0x1b4/0x910
[  657.212811]  ? skb_split+0x11e0/0x11e0
[  657.216695]  ? preempt_notifier_register+0x200/0x200
[  657.221788]  ? __switch_to_asm+0x34/0x70
[  657.226358]  ? __switch_to_asm+0x34/0x70
[  657.230411]  ? __switch_to_asm+0x40/0x70
[  657.234463]  ? __switch_to_asm+0x34/0x70
[  657.238532]  ? __switch_to_asm+0x40/0x70
[  657.242593]  ? __switch_to_asm+0x34/0x70
[  657.246644]  ? __switch_to_asm+0x40/0x70
[  657.250701]  ? __switch_to_asm+0x34/0x70
[  657.254759]  ? __switch_to_asm+0x34/0x70
[  657.258830]  ? __switch_to_asm+0x40/0x70
[  657.262878]  ? __switch_to_asm+0x34/0x70
[  657.266938]  bpf_clone_redirect+0xb9/0x490
[  657.271168]  ? __schedule+0x8d7/0x21d0
[  657.275056]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  657.280072]  ? __sched_text_start+0x8/0x8
[  657.284215]  ? retint_kernel+0x2d/0x2d
[  657.288120]  ? find_held_lock+0x36/0x1c0
[  657.292191]  ? lock_acquire+0x1ed/0x520
[  657.296158]  ? bpf_test_run+0x3ee/0x7a0
[  657.300126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.305666]  ? check_preemption_disabled+0x48/0x280
[  657.310685]  ? kasan_check_read+0x11/0x20
[  657.314824]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  657.320093]  ? rcu_softirq_qs+0x20/0x20
[  657.324064]  ? preempt_schedule+0x4d/0x60
[  657.328206]  ? ___preempt_schedule+0x16/0x18
[  657.332612]  ? bpf_test_run+0x271/0x7a0
[  657.336594]  ? netlink_diag_dump+0x2a0/0x2a0
[  657.341003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.346533]  ? bpf_test_init.isra.10+0x70/0x100
[  657.351204]  ? bpf_prog_test_run_skb+0x762/0xd60
[  657.355962]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  657.360808]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  657.366426]  ? fput+0x130/0x1a0
[  657.369707]  ? __bpf_prog_get+0x9b/0x290
[  657.373769]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  657.378624]  ? bpf_prog_test_run+0x130/0x1a0
[  657.383025]  ? __x64_sys_bpf+0x3d8/0x520
[  657.387080]  ? bpf_prog_get+0x20/0x20
[  657.390889]  ? do_syscall_64+0x1b9/0x820
[  657.394941]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  657.400297]  ? syscall_return_slowpath+0x5e0/0x5e0
[  657.405222]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.410061]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.415071]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  657.420083]  ? prepare_exit_to_usermode+0x291/0x3b0
[  657.425100]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.429945]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  657.435326] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  657.435377] aoe: skb alloc failure
[  657.442333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  657.442340] Call Trace:
[  657.445913] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  657.455196]  <IRQ>
[  657.457761] syz-executor0 cpuset=syz0 mems_allowed=0
[  657.468244]  dump_stack+0x244/0x39d
[  657.479061]  ? dump_stack_print_info.cold.1+0x20/0x20
[  657.484248]  ? __wake_up+0xe/0x10
[  657.487705]  warn_alloc.cold.116+0xb7/0x1bd
[  657.492025]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  657.496863]  ? lock_downgrade+0x900/0x900
[  657.501019]  ? trace_hardirqs_off+0xb8/0x310
[  657.505430]  ? trace_hardirqs_off+0xb8/0x310
[  657.509839]  __alloc_pages_slowpath+0x2651/0x2de0
[  657.514724]  ? warn_alloc+0x120/0x120
[  657.518524]  ? __lock_is_held+0xb5/0x140
[  657.522587]  ? warn_alloc+0x120/0x120
[  657.526385]  ? warn_alloc+0x120/0x120
[  657.530180]  ? print_usage_bug+0xc0/0xc0
[  657.534238]  ? print_usage_bug+0xc0/0xc0
[  657.538302]  ? find_held_lock+0x36/0x1c0
[  657.542357]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.547888]  ? should_fail+0x22d/0xd01
[  657.551777]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  657.556883]  ? __lock_acquire+0x62f/0x4c20
[  657.561115]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  657.566211]  ? should_fail+0x22d/0xd01
[  657.570096]  ? print_usage_bug+0xc0/0xc0
[  657.574160]  ? mark_held_locks+0x130/0x130
[  657.578392]  ? mark_held_locks+0x130/0x130
[  657.582629]  ? print_usage_bug+0xc0/0xc0
[  657.586682]  ? update_stack_state+0x1a5/0x690
[  657.591175]  ? zap_class+0x640/0x640
[  657.594879]  ? ret_from_fork+0x3a/0x50
[  657.598762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.604296]  ? check_preemption_disabled+0x48/0x280
[  657.609316]  ? __lock_is_held+0xb5/0x140
[  657.613374]  __alloc_pages_nodemask+0xad8/0xea0
[  657.618038]  ? zap_class+0x640/0x640
[  657.621754]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  657.626772]  ? find_held_lock+0x36/0x1c0
[  657.630839]  ? ____cache_alloc_node+0x1c7/0x1e0
[  657.635503]  ? lock_downgrade+0x900/0x900
[  657.639655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.645192]  cache_grow_begin+0xa5/0x8c0
[  657.649244]  ? do_raw_spin_unlock+0xa7/0x330
[  657.653652]  fallback_alloc+0x204/0x2e0
[  657.657624]  ____cache_alloc_node+0x1c7/0x1e0
[  657.662115]  kmem_cache_alloc_node+0xe3/0x730
[  657.666607]  ? mark_held_locks+0xc7/0x130
[  657.670755]  __alloc_skb+0x119/0x770
[  657.674466]  ? netdev_alloc_frag+0x1f0/0x1f0
[  657.678874]  ? do_raw_spin_trylock+0x270/0x270
[  657.683448]  ? kmem_cache_alloc_trace+0x353/0x750
[  657.688289]  ? queue_work_on+0x12c/0x1e0
[  657.692348]  ? switchdev_port_obj_del+0xdc/0x440
[  657.697098]  ? switchdev_trans_item_enqueue+0x260/0x260
[  657.702452]  ? trace_hardirqs_on+0x310/0x310
[  657.706855]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  657.712210]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  657.717229]  __br_mdb_notify+0x4ff/0x15d0
[  657.721379]  ? __br_mdb_add+0x7f0/0x7f0
[  657.725353]  ? zap_class+0x640/0x640
[  657.729069]  ? br_multicast_group_expired+0x96/0x610
[  657.734170]  br_mdb_notify+0x310/0x410
[  657.738049]  ? br_mdb_dump+0x27b0/0x27b0
[  657.742110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.747651]  br_multicast_group_expired+0x1bc/0x610
[  657.752667]  ? br_mdb_free+0x80/0x80
[  657.756381]  call_timer_fn+0x272/0x920
[  657.760264]  ? br_mdb_free+0x80/0x80
[  657.763975]  ? process_timeout+0x40/0x40
[  657.768039]  ? mark_held_locks+0xc7/0x130
[  657.772180]  ? _raw_spin_unlock_irq+0x27/0x80
[  657.776670]  ? _raw_spin_unlock_irq+0x27/0x80
[  657.781157]  ? br_mdb_free+0x80/0x80
[  657.784866]  ? lockdep_hardirqs_on+0x296/0x5b0
[  657.789442]  ? trace_hardirqs_on+0xbd/0x310
[  657.793756]  ? kasan_check_read+0x11/0x20
[  657.797901]  ? __run_timers+0x7da/0xc70
[  657.801868]  ? trace_hardirqs_off_caller+0x310/0x310
[  657.807063]  ? br_mdb_free+0x80/0x80
[  657.810773]  __run_timers+0x7e5/0xc70
[  657.814583]  ? timer_fixup_init+0x70/0x70
[  657.818727]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  657.823738]  ? zap_class+0x640/0x640
[  657.827452]  ? print_usage_bug+0xc0/0xc0
[  657.831527]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  657.836716]  ? find_held_lock+0x36/0x1c0
[  657.840778]  ? zap_class+0x640/0x640
[  657.844492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.850027]  ? check_preemption_disabled+0x48/0x280
[  657.855048]  ? __lock_is_held+0xb5/0x140
[  657.859107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.864642]  ? check_preemption_disabled+0x48/0x280
[  657.869655]  run_timer_softirq+0x52/0xb0
[  657.873712]  ? rcu_read_lock_sched_held+0x14f/0x180
[  657.878725]  __do_softirq+0x308/0xb7e
[  657.882531]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  657.887028]  ? lock_downgrade+0x900/0x900
[  657.891172]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  657.896276]  ? pvclock_read_flags+0x160/0x160
[  657.900772]  ? lapic_next_event+0x5a/0x90
[  657.904919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.910453]  ? kvm_clock_read+0x18/0x30
[  657.914425]  ? kvm_sched_clock_read+0x9/0x20
[  657.918830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.924363]  ? check_preemption_disabled+0x48/0x280
[  657.929381]  irq_exit+0x17f/0x1c0
[  657.932831]  smp_apic_timer_interrupt+0x1cb/0x760
[  657.937665]  ? smp_call_function_single_interrupt+0x159/0x650
[  657.943549]  ? smp_call_function_single_interrupt+0x650/0x650
[  657.949425]  ? interrupt_entry+0xb5/0xc0
[  657.953481]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.958497]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.963530]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.968391]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.973401]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.978408]  ? task_prio+0x50/0x50
[  657.981953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.987482]  ? check_preemption_disabled+0x48/0x280
[  657.992511]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.997357]  apic_timer_interrupt+0xf/0x20
[  658.001634]  </IRQ>
[  658.003869] RIP: 0010:smp_call_function_single+0x30a/0x660
[  658.009488] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  658.028384] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  658.036083] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  658.043343] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  658.050603] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  658.058081] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  658.065340] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  658.072618]  ? smp_call_function_single+0x351/0x660
[  658.077631]  ? smp_call_function_single+0x300/0x660
[  658.082648]  ? rcu_note_context_switch+0x12ad/0x2150
[  658.087748]  ? retint_kernel+0x2d/0x2d
[  658.091643]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  658.097531]  ? generic_exec_single+0x5f0/0x5f0
[  658.102106]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  658.107985]  ? zap_class+0x640/0x640
[  658.111691]  ? smp_call_function_single+0x302/0x660
[  658.116704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.122237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.127770]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  658.132779]  ? find_next_and_bit+0x183/0x1e0
[  658.137191]  smp_call_function_many+0x911/0xae0
[  658.141854]  ? __lock_acquire+0x62f/0x4c20
[  658.146084]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  658.151960]  ? _raw_spin_unlock_irq+0x27/0x80
[  658.156450]  ? _raw_spin_unlock_irq+0x27/0x80
[  658.160937]  ? smp_call_function_single_async+0x370/0x370
[  658.166496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.172028]  ? check_preemption_disabled+0x48/0x280
[  658.177044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.182576]  ? check_preemption_disabled+0x48/0x280
[  658.187592]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  658.193577]  on_each_cpu_mask+0x41/0x240
[  658.197634]  ? x86_configure_nx+0x110/0x110
[  658.201948]  on_each_cpu_cond_mask+0x171/0x210
[  658.206528]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  658.212404]  ? on_each_cpu_mask+0x240/0x240
[  658.216730]  native_flush_tlb_others+0x2ea/0x690
[  658.221492]  ? initialize_tlbstate_and_flush+0x380/0x380
[  658.226941]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  658.231953]  ? find_next_bit+0x104/0x130
[  658.236010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.241541]  ? find_next_bit+0x104/0x130
[  658.245597]  ? cpumask_next+0x41/0x50
[  658.249392]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  658.254399]  ? cpumask_any_but+0xb1/0xe0
[  658.258455]  flush_tlb_mm_range+0x2fe/0x5d0
[  658.262775]  ? fault_around_bytes_set+0x90/0x90
[  658.267453]  ? native_flush_tlb_others+0x690/0x690
[  658.272387]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  658.277925]  ? alloc_pages_current+0x17b/0x350
[  658.282514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.288047]  ? __tlb_remove_page_size+0x187/0x500
[  658.292890]  unmap_page_range+0x1eef/0x2930
[  658.297229]  ? vm_normal_page_pmd+0x510/0x510
[  658.301723]  ? mark_held_locks+0x130/0x130
[  658.305956]  ? finish_task_switch+0x1f4/0x910
[  658.310456]  ? finish_task_switch+0x1b4/0x910
[  658.314950]  ? __switch_to_asm+0x34/0x70
[  658.319019]  ? zap_class+0x640/0x640
[  658.322737]  ? prepare_to_wait_event+0x39f/0xa10
[  658.327497]  ? tlb_table_flush+0xb4/0x5c0
[  658.331635]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  658.336737]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  658.341841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.347374]  ? tlb_flush_mmu_free+0x105/0x170
[  658.351870]  ? tlb_flush_mmu+0x58/0x520
[  658.355841]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  658.360333]  ? kasan_check_write+0x14/0x20
[  658.364561]  ? tlb_finish_mmu+0x166/0x1f0
[  658.368705]  ? tlb_gather_mmu+0x440/0x440
[  658.372872]  ? kasan_check_write+0x14/0x20
[  658.377109]  __oom_reap_task_mm+0xf7/0x410
[  658.381337]  ? process_shares_mm+0x460/0x460
[  658.385765]  oom_reaper+0x2b7/0x11e0
[  658.389490]  ? __oom_reap_task_mm+0x410/0x410
[  658.393990]  ? lock_pin_lock+0x350/0x350
[  658.398043]  ? finish_wait+0x430/0x430
[  658.401936]  ? __schedule+0x168a/0x21d0
[  658.405902]  ? __switch_to_asm+0x40/0x70
[  658.409956]  ? __switch_to_asm+0x40/0x70
[  658.414015]  ? zap_class+0x640/0x640
[  658.417734]  ? __sched_text_start+0x8/0x8
[  658.421882]  ? find_held_lock+0x36/0x1c0
[  658.425944]  ? __kthread_parkme+0xce/0x1a0
[  658.430190]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  658.435287]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  658.440383]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  658.444962]  ? trace_hardirqs_on+0xbd/0x310
[  658.449274]  ? kasan_check_read+0x11/0x20
[  658.453417]  ? __kthread_parkme+0xce/0x1a0
[  658.457649]  ? trace_hardirqs_off_caller+0x310/0x310
[  658.462752]  ? preempt_schedule+0x4d/0x60
[  658.466895]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  658.471992]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.477527]  ? __kthread_parkme+0xfb/0x1a0
[  658.481758]  ? __oom_reap_task_mm+0x410/0x410
[  658.486247]  kthread+0x35a/0x440
[  658.489608]  ? kthread_stop+0x900/0x900
[  658.493575]  ret_from_fork+0x3a/0x50
[  658.497299] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  658.497303] warn_alloc_show_mem: 1 callbacks suppressed
[  658.497309] Mem-Info:
[  658.504657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  658.510026] active_anon:44214 inactive_anon:199 isolated_anon:0
[  658.510026]  active_file:6 inactive_file:21 isolated_file:0
[  658.510026]  unevictable:0 dirty:0 writeback:0 unstable:0
[  658.510026]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  658.510026]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  658.510026]  free:13686 free_pcp:384 free_cma:0
[  658.512394] Call Trace:
[  658.521771] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  658.554520]  <IRQ>
[  658.557084] 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
[  658.584393]  dump_stack+0x244/0x39d
[  658.586515] lowmem_reserve[]: 0 2818 6321 6321
[  658.612613]  ? dump_stack_print_info.cold.1+0x20/0x20
[  658.616207] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  658.620787]  ? __wake_up+0xe/0x10
[  658.625939] lowmem_reserve[]: 0 0 3503 3503
[  658.653257]  warn_alloc.cold.116+0xb7/0x1bd
[  658.656679] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  658.660989]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  658.665281] lowmem_reserve[]: 0 0 0 0
[  658.694239]  ? lock_downgrade+0x900/0x900
[  658.699050] 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
[  658.702844]  ? trace_hardirqs_off+0xb8/0x310
[  658.706953] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  658.720475]  ? trace_hardirqs_off+0xb8/0x310
[  658.724851] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  658.740015]  __alloc_pages_slowpath+0x2651/0x2de0
[  658.744411] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  658.758022]  ? warn_alloc+0x120/0x120
[  658.762824] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  658.771642]  ? warn_alloc+0x120/0x120
[  658.775412] 271 total pagecache pages
[  658.783977]  ? warn_alloc+0x120/0x120
[  658.787757] 0 pages in swap cache
[  658.791539]  ? print_usage_bug+0xc0/0xc0
[  658.795310] Swap cache stats: add 0, delete 0, find 0/0
[  658.798749]  ? print_usage_bug+0xc0/0xc0
[  658.802778] Free swap  = 0kB
[  658.808125]  ? ktime_get+0x2c1/0x400
[  658.812158] Total swap = 0kB
[  658.815169]  ? check_preemption_disabled+0x48/0x280
[  658.818853] 1965979 pages RAM
[  658.821854]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  658.821870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.826850] 0 pages HighMem/MovableOnly
[  658.826857] 342854 pages reserved
[  658.829952]  ? should_fail+0x22d/0xd01
[  658.834417] 0 pages cma reserved
[  658.839947]  ? kasan_check_read+0x11/0x20
[  658.844299] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  658.847333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  658.851192] oom_reaper cpuset=/ mems_allowed=0
[  658.854545]  ? __lock_acquire+0x62f/0x4c20
[  658.882740]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  658.887833]  ? should_fail+0x22d/0xd01
[  658.891714]  ? print_usage_bug+0xc0/0xc0
[  658.895777]  ? mark_held_locks+0x130/0x130
[  658.900007]  ? mark_held_locks+0x130/0x130
[  658.904233]  ? check_preemption_disabled+0x48/0x280
[  658.909253]  ? zap_class+0x640/0x640
[  658.912965]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  658.917719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.923248]  ? check_preemption_disabled+0x48/0x280
[  658.928266]  ? __lock_is_held+0xb5/0x140
[  658.932324]  __alloc_pages_nodemask+0xad8/0xea0
[  658.936988]  ? zap_class+0x640/0x640
[  658.940709]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  658.945730]  ? find_held_lock+0x36/0x1c0
[  658.949814]  ? ____cache_alloc_node+0x1c7/0x1e0
[  658.954481]  ? lock_downgrade+0x900/0x900
[  658.958627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.964160]  cache_grow_begin+0xa5/0x8c0
[  658.968215]  ? do_raw_spin_unlock+0xa7/0x330
[  658.972629]  fallback_alloc+0x204/0x2e0
[  658.976609]  ____cache_alloc_node+0x1c7/0x1e0
[  658.981106]  kmem_cache_alloc_node+0xe3/0x730
[  658.985595]  ? lockdep_hardirqs_on+0x296/0x5b0
[  658.990185]  __alloc_skb+0x119/0x770
[  658.993890]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  658.999249]  ? netdev_alloc_frag+0x1f0/0x1f0
[  659.003660]  ? vprintk_default+0x28/0x30
[  659.007715]  ? vprintk_func+0x85/0x181
[  659.011600]  ? printk+0xa7/0xcf
[  659.014876]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  659.019635]  new_skb+0x26/0x1c0
[  659.022910]  aoecmd_cfg+0x279/0x7f0
[  659.026532]  ? find_held_lock+0x36/0x1c0
[  659.030591]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  659.034910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.040450]  ? __lock_is_held+0xb5/0x140
[  659.044518]  discover_timer+0x50/0x60
[  659.048312]  call_timer_fn+0x272/0x920
[  659.052214]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  659.057059]  ? process_timeout+0x40/0x40
[  659.061119]  ? __run_timers+0x7da/0xc70
[  659.065086]  ? _raw_spin_unlock_irq+0x27/0x80
[  659.069576]  ? _raw_spin_unlock_irq+0x27/0x80
[  659.074064]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  659.078904]  ? lockdep_hardirqs_on+0x296/0x5b0
[  659.083481]  ? trace_hardirqs_on+0xbd/0x310
[  659.087795]  ? kasan_check_read+0x11/0x20
[  659.091933]  ? __run_timers+0x7da/0xc70
[  659.095901]  ? trace_hardirqs_off_caller+0x310/0x310
[  659.101008]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  659.105844]  __run_timers+0x7e5/0xc70
[  659.109649]  ? timer_fixup_init+0x70/0x70
[  659.113791]  ? lock_acquire+0x1ed/0x520
[  659.117760]  ? zap_class+0x640/0x640
[  659.121473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.127010]  ? kasan_check_read+0x11/0x20
[  659.131148]  ? do_raw_spin_lock+0x14f/0x350
[  659.135475]  ? find_held_lock+0x36/0x1c0
[  659.139535]  ? zap_class+0x640/0x640
[  659.143245]  ? pvclock_read_flags+0x160/0x160
[  659.147736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.153266]  ? check_preemption_disabled+0x48/0x280
[  659.158286]  ? __lock_is_held+0xb5/0x140
[  659.162342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.167875]  ? check_preemption_disabled+0x48/0x280
[  659.172887]  run_timer_softirq+0x52/0xb0
[  659.176943]  ? rcu_read_lock_sched_held+0x14f/0x180
[  659.181957]  __do_softirq+0x308/0xb7e
[  659.185755]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  659.190245]  ? lock_downgrade+0x900/0x900
[  659.194388]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  659.199496]  ? pvclock_read_flags+0x160/0x160
[  659.203985]  ? lapic_next_event+0x5a/0x90
[  659.208130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.213668]  ? kvm_clock_read+0x18/0x30
[  659.217637]  ? kvm_sched_clock_read+0x9/0x20
[  659.222046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.228090]  ? check_preemption_disabled+0x48/0x280
[  659.233107]  irq_exit+0x17f/0x1c0
[  659.236557]  smp_apic_timer_interrupt+0x1cb/0x760
[  659.241397]  ? smp_call_function_single_interrupt+0x159/0x650
[  659.247278]  ? smp_call_function_single_interrupt+0x650/0x650
[  659.253158]  ? interrupt_entry+0xb5/0xc0
[  659.257223]  ? trace_hardirqs_off_caller+0xbb/0x310
[  659.262233]  ? trace_hardirqs_off_caller+0xbb/0x310
[  659.267243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.272688]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.277696]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.282708]  ? task_prio+0x50/0x50
[  659.286246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.291780]  ? check_preemption_disabled+0x48/0x280
[  659.296794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.301642]  apic_timer_interrupt+0xf/0x20
[  659.305863]  </IRQ>
[  659.308099] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  659.313023] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  659.331916] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  659.339614] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  659.346874] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  659.354144] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  659.361409] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  659.368756] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  659.376061]  skb_clone+0x1bb/0x500
[  659.379616]  ? finish_task_switch+0x1b4/0x910
[  659.384103]  ? skb_split+0x11e0/0x11e0
[  659.388000]  ? preempt_notifier_register+0x200/0x200
[  659.393097]  ? __switch_to_asm+0x34/0x70
[  659.397154]  ? __switch_to_asm+0x34/0x70
[  659.401209]  ? __switch_to_asm+0x40/0x70
[  659.405260]  ? __switch_to_asm+0x34/0x70
[  659.409315]  ? __switch_to_asm+0x40/0x70
[  659.413380]  ? __switch_to_asm+0x34/0x70
[  659.417431]  ? __switch_to_asm+0x40/0x70
[  659.421485]  ? __switch_to_asm+0x34/0x70
[  659.425538]  ? __switch_to_asm+0x34/0x70
[  659.429593]  ? __switch_to_asm+0x40/0x70
[  659.433648]  ? __switch_to_asm+0x34/0x70
[  659.437709]  bpf_clone_redirect+0xb9/0x490
[  659.441937]  ? __schedule+0x8d7/0x21d0
[  659.445822]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  659.450859]  ? __sched_text_start+0x8/0x8
[  659.454999]  ? retint_kernel+0x2d/0x2d
[  659.458891]  ? find_held_lock+0x36/0x1c0
[  659.462957]  ? lock_acquire+0x1ed/0x520
[  659.466937]  ? bpf_test_run+0x3ee/0x7a0
[  659.470906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.476460]  ? check_preemption_disabled+0x48/0x280
[  659.481478]  ? kasan_check_read+0x11/0x20
[  659.485617]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  659.490889]  ? rcu_softirq_qs+0x20/0x20
[  659.494859]  ? preempt_schedule+0x4d/0x60
[  659.499006]  ? ___preempt_schedule+0x16/0x18
[  659.503417]  ? bpf_test_run+0x271/0x7a0
[  659.507406]  ? netlink_diag_dump+0x2a0/0x2a0
[  659.511809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.517342]  ? bpf_test_init.isra.10+0x70/0x100
[  659.522015]  ? bpf_prog_test_run_skb+0x762/0xd60
[  659.526776]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  659.531615]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  659.537150]  ? fput+0x130/0x1a0
[  659.540431]  ? __bpf_prog_get+0x9b/0x290
[  659.544492]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  659.549334]  ? bpf_prog_test_run+0x130/0x1a0
[  659.553768]  ? __x64_sys_bpf+0x3d8/0x520
[  659.557821]  ? bpf_prog_get+0x20/0x20
[  659.561631]  ? do_syscall_64+0x1b9/0x820
[  659.565688]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  659.571046]  ? syscall_return_slowpath+0x5e0/0x5e0
[  659.575971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.580808]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.585817]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  659.590834]  ? prepare_exit_to_usermode+0x291/0x3b0
[  659.595848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.600777]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  659.606154] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  659.606207] aoe: skb alloc failure
[  659.613175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  659.613180] Call Trace:
[  659.613185]  <IRQ>
[  659.613200]  dump_stack+0x244/0x39d
[  659.613219]  ? dump_stack_print_info.cold.1+0x20/0x20
[  659.616759] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  659.626074]  ? __wake_up+0xe/0x10
[  659.628633] syz-executor0 cpuset=syz0 mems_allowed=0
[  659.630777]  warn_alloc.cold.116+0xb7/0x1bd
[  659.662833]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  659.667675]  ? lock_downgrade+0x900/0x900
[  659.671838]  ? trace_hardirqs_off+0xb8/0x310
[  659.676247]  ? trace_hardirqs_off+0xb8/0x310
[  659.680656]  __alloc_pages_slowpath+0x2651/0x2de0
[  659.685515]  ? warn_alloc+0x120/0x120
[  659.689318]  ? warn_alloc+0x120/0x120
[  659.693119]  ? warn_alloc+0x120/0x120
[  659.696911]  ? trace_hardirqs_off+0xb8/0x310
[  659.701314]  ? print_usage_bug+0xc0/0xc0
[  659.705388]  ? print_usage_bug+0xc0/0xc0
[  659.709440]  ? noop_count+0x40/0x40
[  659.713066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.718597]  ? should_fail+0x22d/0xd01
[  659.722486]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  659.727584]  ? __lock_acquire+0x62f/0x4c20
[  659.731818]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  659.736914]  ? should_fail+0x22d/0xd01
[  659.740803]  ? mark_held_locks+0x130/0x130
[  659.745034]  ? mark_held_locks+0x130/0x130
[  659.749261]  ? print_usage_bug+0xc0/0xc0
[  659.753314]  ? update_stack_state+0x1a5/0x690
[  659.757818]  ? zap_class+0x640/0x640
[  659.761531]  ? ret_from_fork+0x3a/0x50
[  659.765418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.770951]  ? check_preemption_disabled+0x48/0x280
[  659.775971]  ? __lock_is_held+0xb5/0x140
[  659.780030]  __alloc_pages_nodemask+0xad8/0xea0
[  659.784693]  ? zap_class+0x640/0x640
[  659.788403]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  659.793422]  ? find_held_lock+0x36/0x1c0
[  659.797488]  ? ____cache_alloc_node+0x1c7/0x1e0
[  659.802168]  ? lock_downgrade+0x900/0x900
[  659.806333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.811879]  cache_grow_begin+0xa5/0x8c0
[  659.815931]  ? do_raw_spin_unlock+0xa7/0x330
[  659.820346]  fallback_alloc+0x204/0x2e0
[  659.824321]  ____cache_alloc_node+0x1c7/0x1e0
[  659.828821]  kmem_cache_alloc_node+0xe3/0x730
[  659.833399]  ? mark_held_locks+0xc7/0x130
[  659.837558]  __alloc_skb+0x119/0x770
[  659.841273]  ? netdev_alloc_frag+0x1f0/0x1f0
[  659.845673]  ? do_raw_spin_trylock+0x270/0x270
[  659.850249]  ? kmem_cache_alloc_trace+0x353/0x750
[  659.855097]  ? queue_work_on+0x12c/0x1e0
[  659.859161]  ? switchdev_port_obj_del+0xdc/0x440
[  659.863911]  ? switchdev_trans_item_enqueue+0x260/0x260
[  659.869270]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  659.874286]  __br_mdb_notify+0x4ff/0x15d0
[  659.878436]  ? __br_mdb_add+0x7f0/0x7f0
[  659.882412]  ? zap_class+0x640/0x640
[  659.886132]  ? br_multicast_group_expired+0x96/0x610
[  659.891232]  br_mdb_notify+0x310/0x410
[  659.895112]  ? br_mdb_dump+0x27b0/0x27b0
[  659.899175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.904711]  br_multicast_group_expired+0x1bc/0x610
[  659.910244]  ? br_mdb_free+0x80/0x80
[  659.913959]  call_timer_fn+0x272/0x920
[  659.917839]  ? br_mdb_free+0x80/0x80
[  659.921545]  ? process_timeout+0x40/0x40
[  659.925610]  ? mark_held_locks+0xc7/0x130
[  659.929754]  ? _raw_spin_unlock_irq+0x27/0x80
[  659.934239]  ? _raw_spin_unlock_irq+0x27/0x80
[  659.938725]  ? br_mdb_free+0x80/0x80
[  659.942433]  ? lockdep_hardirqs_on+0x296/0x5b0
[  659.947008]  ? trace_hardirqs_on+0xbd/0x310
[  659.951321]  ? kasan_check_read+0x11/0x20
[  659.955503]  ? __run_timers+0x7da/0xc70
[  659.959475]  ? trace_hardirqs_off_caller+0x310/0x310
[  659.964587]  ? br_mdb_free+0x80/0x80
[  659.968292]  __run_timers+0x7e5/0xc70
[  659.972101]  ? timer_fixup_init+0x70/0x70
[  659.976243]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  659.981252]  ? zap_class+0x640/0x640
[  659.984961]  ? print_usage_bug+0xc0/0xc0
[  659.989016]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  659.994206]  ? find_held_lock+0x36/0x1c0
[  659.998265]  ? zap_class+0x640/0x640
[  660.001976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.007507]  ? check_preemption_disabled+0x48/0x280
[  660.012525]  ? __lock_is_held+0xb5/0x140
[  660.016588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.022118]  ? check_preemption_disabled+0x48/0x280
[  660.027129]  run_timer_softirq+0x52/0xb0
[  660.031182]  ? rcu_read_lock_sched_held+0x14f/0x180
[  660.036196]  __do_softirq+0x308/0xb7e
[  660.039998]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  660.044488]  ? lock_downgrade+0x900/0x900
[  660.048636]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  660.053743]  ? pvclock_read_flags+0x160/0x160
[  660.058771]  ? lapic_next_event+0x5a/0x90
[  660.062916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.068463]  ? kvm_clock_read+0x18/0x30
[  660.072431]  ? kvm_sched_clock_read+0x9/0x20
[  660.076838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.082372]  ? check_preemption_disabled+0x48/0x280
[  660.087392]  irq_exit+0x17f/0x1c0
[  660.090843]  smp_apic_timer_interrupt+0x1cb/0x760
[  660.095679]  ? smp_call_function_single_interrupt+0x159/0x650
[  660.101559]  ? smp_call_function_single_interrupt+0x650/0x650
[  660.107788]  ? interrupt_entry+0xb5/0xc0
[  660.111849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  660.116861]  ? trace_hardirqs_off_caller+0xbb/0x310
[  660.121870]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.126710]  ? trace_hardirqs_on_caller+0x310/0x310
[  660.131717]  ? trace_hardirqs_on_caller+0x310/0x310
[  660.136723]  ? task_prio+0x50/0x50
[  660.140261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.145795]  ? check_preemption_disabled+0x48/0x280
[  660.150811]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.155657]  apic_timer_interrupt+0xf/0x20
[  660.159882]  </IRQ>
[  660.162114] RIP: 0010:smp_call_function_single+0x30a/0x660
[  660.167733] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  660.186630] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  660.194332] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  660.201593] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  660.208856] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  660.216128] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  660.223392] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  660.230666]  ? smp_call_function_single+0x351/0x660
[  660.235679]  ? smp_call_function_single+0x300/0x660
[  660.240693]  ? rcu_note_context_switch+0x12ad/0x2150
[  660.245791]  ? retint_kernel+0x2d/0x2d
[  660.249672]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  660.255550]  ? generic_exec_single+0x5f0/0x5f0
[  660.260135]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  660.266101]  ? zap_class+0x640/0x640
[  660.269814]  ? smp_call_function_single+0x302/0x660
[  660.274824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.280355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.285886]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  660.290898]  ? find_next_and_bit+0x183/0x1e0
[  660.295318]  smp_call_function_many+0x911/0xae0
[  660.299996]  ? __lock_acquire+0x62f/0x4c20
[  660.304229]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  660.310109]  ? _raw_spin_unlock_irq+0x27/0x80
[  660.314594]  ? _raw_spin_unlock_irq+0x27/0x80
[  660.319088]  ? smp_call_function_single_async+0x370/0x370
[  660.324620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.330237]  ? check_preemption_disabled+0x48/0x280
[  660.335259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.340799]  ? check_preemption_disabled+0x48/0x280
[  660.345810]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  660.351685]  on_each_cpu_mask+0x41/0x240
[  660.355740]  ? x86_configure_nx+0x110/0x110
[  660.360055]  on_each_cpu_cond_mask+0x171/0x210
[  660.364631]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  660.370508]  ? on_each_cpu_mask+0x240/0x240
[  660.374831]  native_flush_tlb_others+0x2ea/0x690
[  660.379585]  ? initialize_tlbstate_and_flush+0x380/0x380
[  660.385038]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  660.390046]  ? find_next_bit+0x104/0x130
[  660.394104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.399632]  ? find_next_bit+0x104/0x130
[  660.403689]  ? cpumask_next+0x41/0x50
[  660.407483]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  660.412497]  ? cpumask_any_but+0xb1/0xe0
[  660.416577]  flush_tlb_mm_range+0x2fe/0x5d0
[  660.420902]  ? fault_around_bytes_set+0x90/0x90
[  660.425573]  ? native_flush_tlb_others+0x690/0x690
[  660.430504]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  660.436041]  ? alloc_pages_current+0x17b/0x350
[  660.440624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.446154]  ? __tlb_remove_page_size+0x187/0x500
[  660.450993]  unmap_page_range+0x1eef/0x2930
[  660.455339]  ? vm_normal_page_pmd+0x510/0x510
[  660.459835]  ? mark_held_locks+0x130/0x130
[  660.464065]  ? finish_task_switch+0x1f4/0x910
[  660.468640]  ? finish_task_switch+0x1b4/0x910
[  660.473131]  ? __switch_to_asm+0x34/0x70
[  660.477202]  ? zap_class+0x640/0x640
[  660.480911]  ? prepare_to_wait_event+0x39f/0xa10
[  660.485662]  ? tlb_table_flush+0xb4/0x5c0
[  660.489805]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  660.494900]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  660.499998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.505528]  ? tlb_flush_mmu_free+0x105/0x170
[  660.510024]  ? tlb_flush_mmu+0x58/0x520
[  660.514000]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  660.518490]  ? kasan_check_write+0x14/0x20
[  660.522713]  ? tlb_finish_mmu+0x166/0x1f0
[  660.526856]  ? tlb_gather_mmu+0x440/0x440
[  660.531004]  ? kasan_check_write+0x14/0x20
[  660.535235]  __oom_reap_task_mm+0xf7/0x410
[  660.539471]  ? process_shares_mm+0x460/0x460
[  660.543894]  oom_reaper+0x2b7/0x11e0
[  660.547609]  ? __oom_reap_task_mm+0x410/0x410
[  660.552096]  ? lock_pin_lock+0x350/0x350
[  660.556154]  ? finish_wait+0x430/0x430
[  660.560046]  ? __schedule+0x168a/0x21d0
[  660.564014]  ? __switch_to_asm+0x40/0x70
[  660.568066]  ? __switch_to_asm+0x40/0x70
[  660.572128]  ? zap_class+0x640/0x640
[  660.575846]  ? __sched_text_start+0x8/0x8
[  660.579994]  ? find_held_lock+0x36/0x1c0
[  660.584058]  ? __kthread_parkme+0xce/0x1a0
[  660.588294]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  660.593388]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  660.598489]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  660.603066]  ? trace_hardirqs_on+0xbd/0x310
[  660.607377]  ? kasan_check_read+0x11/0x20
[  660.611519]  ? __kthread_parkme+0xce/0x1a0
[  660.615750]  ? trace_hardirqs_off_caller+0x310/0x310
[  660.620847]  ? preempt_schedule+0x4d/0x60
[  660.624993]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  660.630099]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.635636]  ? __kthread_parkme+0xfb/0x1a0
[  660.639871]  ? __oom_reap_task_mm+0x410/0x410
[  660.644358]  kthread+0x35a/0x440
[  660.647723]  ? kthread_stop+0x900/0x900
[  660.651691]  ret_from_fork+0x3a/0x50
[  660.655412] warn_alloc_show_mem: 1 callbacks suppressed
[  660.655422] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  660.655423] Mem-Info:
[  660.655453] active_anon:44214 inactive_anon:199 isolated_anon:0
[  660.655453]  active_file:6 inactive_file:21 isolated_file:0
[  660.655453]  unevictable:0 dirty:0 writeback:0 unstable:0
[  660.655453]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  660.655453]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  660.655453]  free:13686 free_pcp:384 free_cma:0
[  660.660787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  660.668143] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  660.670536] Call Trace:
[  660.703305] 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
[  660.712644]  <IRQ>
[  660.739939] lowmem_reserve[]: 0 2818 6321 6321
[  660.742528]  dump_stack+0x244/0x39d
[  660.768602] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  660.770747]  ? dump_stack_print_info.cold.1+0x20/0x20
[  660.775292] lowmem_reserve[]: 0 0 3503 3503
[  660.778911]  ? __wake_up+0xe/0x10
[  660.806202] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  660.811389]  warn_alloc.cold.116+0xb7/0x1bd
[  660.815669] lowmem_reserve[]: 0 0 0 0
[  660.819119]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  660.848062] 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
[  660.852723]  ? lock_downgrade+0x900/0x900
[  660.856490] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  660.861328]  ? trace_hardirqs_off+0xb8/0x310
[  660.874919] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  660.879064]  ? trace_hardirqs_off+0xb8/0x310
[  660.894206] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  660.898595]  __alloc_pages_slowpath+0x2651/0x2de0
[  660.912175] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  660.916586]  ? warn_alloc+0x120/0x120
[  660.925371] 271 total pagecache pages
[  660.930202]  ? warn_alloc+0x120/0x120
[  660.938753] 0 pages in swap cache
[  660.942536]  ? __lock_acquire+0x62f/0x4c20
[  660.946308] Swap cache stats: add 0, delete 0, find 0/0
[  660.950092]  ? warn_alloc+0x120/0x120
[  660.953518] Free swap  = 0kB
[  660.957740]  ? print_usage_bug+0xc0/0xc0
[  660.963067] Total swap = 0kB
[  660.963074] 1965979 pages RAM
[  660.966863]  ? print_usage_bug+0xc0/0xc0
[  660.969845] 0 pages HighMem/MovableOnly
[  660.969852] 342854 pages reserved
[  660.973903]  ? mark_held_locks+0x130/0x130
[  660.976892] 0 pages cma reserved
[  660.979986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.984413] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  660.987984]  ? should_fail+0x22d/0xd01
[  660.991413] oom_reaper cpuset=/ mems_allowed=0
[  660.995627]  ? zap_class+0x640/0x640
[  660.995644]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.031914]  ? __lock_acquire+0x62f/0x4c20
[  661.036144]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.041243]  ? should_fail+0x22d/0xd01
[  661.045132]  ? mark_held_locks+0x130/0x130
[  661.049361]  ? mark_held_locks+0x130/0x130
[  661.053589]  ? lock_downgrade+0x900/0x900
[  661.057731]  ? zap_class+0x640/0x640
[  661.061438]  ? zap_class+0x640/0x640
[  661.065145]  ? zap_class+0x640/0x640
[  661.068854]  ? do_raw_spin_unlock+0xa7/0x330
[  661.073256]  ? trace_hardirqs_on+0x310/0x310
[  661.077660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.083195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.088731]  ? check_preemption_disabled+0x48/0x280
[  661.093749]  ? __lock_is_held+0xb5/0x140
[  661.097809]  __alloc_pages_nodemask+0xad8/0xea0
[  661.102475]  ? zap_class+0x640/0x640
[  661.106187]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  661.111208]  ? find_held_lock+0x36/0x1c0
[  661.115279]  ? ____cache_alloc_node+0x1c7/0x1e0
[  661.119943]  ? lock_downgrade+0x900/0x900
[  661.124092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.129631]  cache_grow_begin+0xa5/0x8c0
[  661.133683]  ? do_raw_spin_unlock+0xa7/0x330
[  661.138090]  fallback_alloc+0x204/0x2e0
[  661.142061]  ____cache_alloc_node+0x1c7/0x1e0
[  661.146554]  kmem_cache_alloc_node+0xe3/0x730
[  661.151045]  ? lockdep_hardirqs_on+0x296/0x5b0
[  661.155628]  __alloc_skb+0x119/0x770
[  661.159332]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  661.164692]  ? netdev_alloc_frag+0x1f0/0x1f0
[  661.169098]  ? vprintk_default+0x28/0x30
[  661.173152]  ? vprintk_func+0x85/0x181
[  661.177037]  ? printk+0xa7/0xcf
[  661.180314]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  661.185072]  new_skb+0x26/0x1c0
[  661.188347]  aoecmd_cfg+0x279/0x7f0
[  661.191973]  ? find_held_lock+0x36/0x1c0
[  661.196028]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  661.200358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.205901]  ? __lock_is_held+0xb5/0x140
[  661.209972]  discover_timer+0x50/0x60
[  661.213764]  call_timer_fn+0x272/0x920
[  661.217645]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  661.222992]  ? process_timeout+0x40/0x40
[  661.227073]  ? __run_timers+0x7da/0xc70
[  661.231047]  ? _raw_spin_unlock_irq+0x27/0x80
[  661.235533]  ? _raw_spin_unlock_irq+0x27/0x80
[  661.240024]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  661.244864]  ? lockdep_hardirqs_on+0x296/0x5b0
[  661.249444]  ? trace_hardirqs_on+0xbd/0x310
[  661.253759]  ? kasan_check_read+0x11/0x20
[  661.257898]  ? __run_timers+0x7da/0xc70
[  661.261865]  ? trace_hardirqs_off_caller+0x310/0x310
[  661.266974]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  661.271807]  __run_timers+0x7e5/0xc70
[  661.275612]  ? timer_fixup_init+0x70/0x70
[  661.279759]  ? lock_acquire+0x1ed/0x520
[  661.283727]  ? zap_class+0x640/0x640
[  661.287437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.292977]  ? kasan_check_read+0x11/0x20
[  661.297116]  ? do_raw_spin_lock+0x14f/0x350
[  661.301438]  ? find_held_lock+0x36/0x1c0
[  661.305497]  ? zap_class+0x640/0x640
[  661.309224]  ? pvclock_read_flags+0x160/0x160
[  661.313714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.319252]  ? check_preemption_disabled+0x48/0x280
[  661.324269]  ? __lock_is_held+0xb5/0x140
[  661.328329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.333860]  ? check_preemption_disabled+0x48/0x280
[  661.338877]  run_timer_softirq+0x52/0xb0
[  661.342930]  ? rcu_read_lock_sched_held+0x14f/0x180
[  661.347945]  __do_softirq+0x308/0xb7e
[  661.351746]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  661.356238]  ? lock_downgrade+0x900/0x900
[  661.360382]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  661.365485]  ? pvclock_read_flags+0x160/0x160
[  661.369978]  ? lapic_next_event+0x5a/0x90
[  661.374120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.379656]  ? kvm_clock_read+0x18/0x30
[  661.383627]  ? kvm_sched_clock_read+0x9/0x20
[  661.388035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.393564]  ? check_preemption_disabled+0x48/0x280
[  661.398579]  irq_exit+0x17f/0x1c0
[  661.402031]  smp_apic_timer_interrupt+0x1cb/0x760
[  661.406865]  ? smp_call_function_single_interrupt+0x159/0x650
[  661.412743]  ? smp_call_function_single_interrupt+0x650/0x650
[  661.418618]  ? interrupt_entry+0xb5/0xc0
[  661.422673]  ? trace_hardirqs_off_caller+0xbb/0x310
[  661.427680]  ? trace_hardirqs_off_caller+0xbb/0x310
[  661.432693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.437530]  ? trace_hardirqs_on_caller+0x310/0x310
[  661.442538]  ? trace_hardirqs_on_caller+0x310/0x310
[  661.447550]  ? task_prio+0x50/0x50
[  661.451085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.456615]  ? check_preemption_disabled+0x48/0x280
[  661.461628]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.466472]  apic_timer_interrupt+0xf/0x20
[  661.470692]  </IRQ>
[  661.472923] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  661.477848] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  661.496744] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  661.504442] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  661.511703] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  661.519137] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  661.526396] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  661.533657] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  661.540954]  skb_clone+0x1bb/0x500
[  661.544491]  ? finish_task_switch+0x1b4/0x910
[  661.548982]  ? skb_split+0x11e0/0x11e0
[  661.552866]  ? preempt_notifier_register+0x200/0x200
[  661.557966]  ? __switch_to_asm+0x34/0x70
[  661.562020]  ? __switch_to_asm+0x34/0x70
[  661.566073]  ? __switch_to_asm+0x40/0x70
[  661.570128]  ? __switch_to_asm+0x34/0x70
[  661.574186]  ? __switch_to_asm+0x40/0x70
[  661.578242]  ? __switch_to_asm+0x34/0x70
[  661.582294]  ? __switch_to_asm+0x40/0x70
[  661.586345]  ? __switch_to_asm+0x34/0x70
[  661.590400]  ? __switch_to_asm+0x34/0x70
[  661.594451]  ? __switch_to_asm+0x40/0x70
[  661.598509]  ? __switch_to_asm+0x34/0x70
[  661.602569]  bpf_clone_redirect+0xb9/0x490
[  661.606802]  ? __schedule+0x8d7/0x21d0
[  661.610690]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  661.615706]  ? __sched_text_start+0x8/0x8
[  661.619851]  ? retint_kernel+0x2d/0x2d
[  661.623738]  ? find_held_lock+0x36/0x1c0
[  661.627800]  ? lock_acquire+0x1ed/0x520
[  661.631771]  ? bpf_test_run+0x3ee/0x7a0
[  661.635739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.641273]  ? check_preemption_disabled+0x48/0x280
[  661.646289]  ? kasan_check_read+0x11/0x20
[  661.650429]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  661.655698]  ? rcu_softirq_qs+0x20/0x20
[  661.659669]  ? preempt_schedule+0x4d/0x60
[  661.663813]  ? ___preempt_schedule+0x16/0x18
[  661.668219]  ? bpf_test_run+0x271/0x7a0
[  661.672202]  ? netlink_diag_dump+0x2a0/0x2a0
[  661.676610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.682143]  ? bpf_test_init.isra.10+0x70/0x100
[  661.686815]  ? bpf_prog_test_run_skb+0x762/0xd60
[  661.691576]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  661.696422]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  661.701952]  ? fput+0x130/0x1a0
[  661.705229]  ? __bpf_prog_get+0x9b/0x290
[  661.709308]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  661.714143]  ? bpf_prog_test_run+0x130/0x1a0
[  661.718555]  ? __x64_sys_bpf+0x3d8/0x520
[  661.722607]  ? bpf_prog_get+0x20/0x20
[  661.726418]  ? do_syscall_64+0x1b9/0x820
[  661.730472]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  661.735829]  ? syscall_return_slowpath+0x5e0/0x5e0
[  661.740749]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.745589]  ? trace_hardirqs_on_caller+0x310/0x310
[  661.750604]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  661.755614]  ? prepare_exit_to_usermode+0x291/0x3b0
[  661.760633]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.765483]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  661.770857] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  661.770907] aoe: skb alloc failure
[  661.777865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  661.777870] Call Trace:
[  661.777875]  <IRQ>
[  661.777891]  dump_stack+0x244/0x39d
[  661.777910]  ? dump_stack_print_info.cold.1+0x20/0x20
[  661.781456] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  661.790772]  ? __wake_up+0xe/0x10
[  661.793329] syz-executor0 cpuset=syz0 mems_allowed=0
[  661.795472]  warn_alloc.cold.116+0xb7/0x1bd
[  661.827547]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  661.832401]  ? lock_downgrade+0x900/0x900
[  661.836556]  ? trace_hardirqs_off+0xb8/0x310
[  661.840966]  ? trace_hardirqs_off+0xb8/0x310
[  661.845382]  __alloc_pages_slowpath+0x2651/0x2de0
[  661.850244]  ? warn_alloc+0x120/0x120
[  661.854042]  ? warn_alloc+0x120/0x120
[  661.857839]  ? warn_alloc+0x120/0x120
[  661.861640]  ? print_usage_bug+0xc0/0xc0
[  661.865698]  ? print_usage_bug+0xc0/0xc0
[  661.869752]  ? mark_held_locks+0x130/0x130
[  661.873986]  ? should_fail+0x22d/0xd01
[  661.877870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.883401]  ? should_fail+0x22d/0xd01
[  661.887295]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.892396]  ? __lock_acquire+0x62f/0x4c20
[  661.896629]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.901724]  ? __lock_acquire+0x62f/0x4c20
[  661.905949]  ? should_fail+0x22d/0xd01
[  661.909879]  ? mark_held_locks+0x130/0x130
[  661.914155]  ? mark_held_locks+0x130/0x130
[  661.918395]  ? zap_class+0x640/0x640
[  661.922107]  ? check_preemption_disabled+0x48/0x280
[  661.927117]  ? zap_class+0x640/0x640
[  661.930827]  ? print_usage_bug+0xc0/0xc0
[  661.934887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.940421]  ? check_preemption_disabled+0x48/0x280
[  661.945439]  ? __lock_is_held+0xb5/0x140
[  661.949498]  __alloc_pages_nodemask+0xad8/0xea0
[  661.954169]  ? zap_class+0x640/0x640
[  661.957880]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  661.962898]  ? find_held_lock+0x36/0x1c0
[  661.966965]  ? ____cache_alloc_node+0x1c7/0x1e0
[  661.971628]  ? lock_downgrade+0x900/0x900
[  661.975775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.981319]  cache_grow_begin+0xa5/0x8c0
[  661.985394]  ? do_raw_spin_unlock+0xa7/0x330
[  661.989810]  fallback_alloc+0x204/0x2e0
[  661.993787]  ____cache_alloc_node+0x1c7/0x1e0
[  661.998285]  kmem_cache_alloc_node+0xe3/0x730
[  662.002772]  ? ipv6_get_ifaddr+0x42e/0x620
[  662.007009]  __alloc_skb+0x119/0x770
[  662.010714]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  662.015986]  ? netdev_alloc_frag+0x1f0/0x1f0
[  662.020387]  ? lock_downgrade+0x900/0x900
[  662.024550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.030078]  ? refcount_sub_and_test_checked+0x203/0x310
[  662.035525]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  662.040966]  ? addrconf_rs_timer+0x690/0x690
[  662.045377]  ndisc_alloc_skb+0x144/0x340
[  662.049443]  ndisc_send_rs+0x331/0x6e0
[  662.053332]  addrconf_rs_timer+0x314/0x690
[  662.057819]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.062055]  call_timer_fn+0x272/0x920
[  662.065946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.070211]  ? process_timeout+0x40/0x40
[  662.074275]  ? mark_held_locks+0xc7/0x130
[  662.078423]  ? _raw_spin_unlock_irq+0x27/0x80
[  662.082921]  ? _raw_spin_unlock_irq+0x27/0x80
[  662.087412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.091642]  ? lockdep_hardirqs_on+0x296/0x5b0
[  662.096222]  ? trace_hardirqs_on+0xbd/0x310
[  662.100541]  ? kasan_check_read+0x11/0x20
[  662.104684]  ? __run_timers+0x7da/0xc70
[  662.108651]  ? trace_hardirqs_off_caller+0x310/0x310
[  662.113756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.117984]  __run_timers+0x7e5/0xc70
[  662.121788]  ? timer_fixup_init+0x70/0x70
[  662.125932]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  662.130940]  ? zap_class+0x640/0x640
[  662.134652]  ? print_usage_bug+0xc0/0xc0
[  662.138707]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  662.143894]  ? find_held_lock+0x36/0x1c0
[  662.147955]  ? zap_class+0x640/0x640
[  662.151665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.157197]  ? check_preemption_disabled+0x48/0x280
[  662.162219]  ? __lock_is_held+0xb5/0x140
[  662.166277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.171807]  ? check_preemption_disabled+0x48/0x280
[  662.176843]  run_timer_softirq+0x52/0xb0
[  662.180900]  ? rcu_read_lock_sched_held+0x14f/0x180
[  662.185911]  __do_softirq+0x308/0xb7e
[  662.189707]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  662.194193]  ? lock_downgrade+0x900/0x900
[  662.198338]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  662.203441]  ? pvclock_read_flags+0x160/0x160
[  662.207932]  ? lapic_next_event+0x5a/0x90
[  662.212073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.217608]  ? kvm_clock_read+0x18/0x30
[  662.221578]  ? kvm_sched_clock_read+0x9/0x20
[  662.225984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.231516]  ? check_preemption_disabled+0x48/0x280
[  662.236533]  irq_exit+0x17f/0x1c0
[  662.239978]  smp_apic_timer_interrupt+0x1cb/0x760
[  662.244820]  ? smp_call_function_single_interrupt+0x159/0x650
[  662.250697]  ? smp_call_function_single_interrupt+0x650/0x650
[  662.256572]  ? interrupt_entry+0xb5/0xc0
[  662.260626]  ? trace_hardirqs_off_caller+0xbb/0x310
[  662.265634]  ? trace_hardirqs_off_caller+0xbb/0x310
[  662.270642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.275483]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.280494]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.285501]  ? task_prio+0x50/0x50
[  662.289039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.294574]  ? check_preemption_disabled+0x48/0x280
[  662.299586]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.304427]  apic_timer_interrupt+0xf/0x20
[  662.308650]  </IRQ>
[  662.310881] RIP: 0010:smp_call_function_single+0x30a/0x660
[  662.316502] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  662.335394] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  662.343093] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  662.350368] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  662.357630] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  662.364893] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  662.372157] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  662.379433]  ? smp_call_function_single+0x351/0x660
[  662.384442]  ? smp_call_function_single+0x300/0x660
[  662.389462]  ? rcu_note_context_switch+0x12ad/0x2150
[  662.394558]  ? retint_kernel+0x2d/0x2d
[  662.398440]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  662.404319]  ? generic_exec_single+0x5f0/0x5f0
[  662.408897]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  662.414773]  ? zap_class+0x640/0x640
[  662.418482]  ? smp_call_function_single+0x302/0x660
[  662.423491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.429022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.434551]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  662.439560]  ? find_next_and_bit+0x183/0x1e0
[  662.443970]  smp_call_function_many+0x911/0xae0
[  662.448634]  ? __lock_acquire+0x62f/0x4c20
[  662.452890]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  662.458779]  ? _raw_spin_unlock_irq+0x27/0x80
[  662.463269]  ? _raw_spin_unlock_irq+0x27/0x80
[  662.467757]  ? smp_call_function_single_async+0x370/0x370
[  662.473290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.478819]  ? check_preemption_disabled+0x48/0x280
[  662.483829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.489364]  ? check_preemption_disabled+0x48/0x280
[  662.494380]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  662.500259]  on_each_cpu_mask+0x41/0x240
[  662.504338]  ? x86_configure_nx+0x110/0x110
[  662.508657]  on_each_cpu_cond_mask+0x171/0x210
[  662.513235]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  662.519123]  ? on_each_cpu_mask+0x240/0x240
[  662.523452]  native_flush_tlb_others+0x2ea/0x690
[  662.528202]  ? initialize_tlbstate_and_flush+0x380/0x380
[  662.533651]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  662.538661]  ? find_next_bit+0x104/0x130
[  662.542721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.548247]  ? find_next_bit+0x104/0x130
[  662.552304]  ? cpumask_next+0x41/0x50
[  662.556106]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  662.561139]  ? cpumask_any_but+0xb1/0xe0
[  662.565200]  flush_tlb_mm_range+0x2fe/0x5d0
[  662.569514]  ? fault_around_bytes_set+0x90/0x90
[  662.574183]  ? native_flush_tlb_others+0x690/0x690
[  662.579116]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  662.584654]  ? alloc_pages_current+0x17b/0x350
[  662.589234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.594763]  ? __tlb_remove_page_size+0x187/0x500
[  662.599600]  unmap_page_range+0x1eef/0x2930
[  662.603936]  ? vm_normal_page_pmd+0x510/0x510
[  662.608435]  ? mark_held_locks+0x130/0x130
[  662.612666]  ? finish_task_switch+0x1f4/0x910
[  662.617154]  ? finish_task_switch+0x1b4/0x910
[  662.621642]  ? __switch_to_asm+0x34/0x70
[  662.625710]  ? zap_class+0x640/0x640
[  662.629420]  ? prepare_to_wait_event+0x39f/0xa10
[  662.634166]  ? tlb_table_flush+0xb4/0x5c0
[  662.638311]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  662.643410]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  662.648508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.654050]  ? tlb_flush_mmu_free+0x105/0x170
[  662.658562]  ? tlb_flush_mmu+0x58/0x520
[  662.662538]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  662.667033]  ? kasan_check_write+0x14/0x20
[  662.671259]  ? tlb_finish_mmu+0x166/0x1f0
[  662.675402]  ? tlb_gather_mmu+0x440/0x440
[  662.679550]  ? kasan_check_write+0x14/0x20
[  662.683781]  __oom_reap_task_mm+0xf7/0x410
[  662.688016]  ? process_shares_mm+0x460/0x460
[  662.692439]  oom_reaper+0x2b7/0x11e0
[  662.696152]  ? __oom_reap_task_mm+0x410/0x410
[  662.700638]  ? lock_pin_lock+0x350/0x350
[  662.704692]  ? finish_wait+0x430/0x430
[  662.708580]  ? __schedule+0x168a/0x21d0
[  662.712544]  ? __switch_to_asm+0x40/0x70
[  662.716599]  ? __switch_to_asm+0x40/0x70
[  662.720662]  ? zap_class+0x640/0x640
[  662.724373]  ? __sched_text_start+0x8/0x8
[  662.728523]  ? find_held_lock+0x36/0x1c0
[  662.732592]  ? __kthread_parkme+0xce/0x1a0
[  662.736822]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  662.741920]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  662.747020]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  662.751604]  ? trace_hardirqs_on+0xbd/0x310
[  662.755923]  ? kasan_check_read+0x11/0x20
[  662.760065]  ? __kthread_parkme+0xce/0x1a0
[  662.764301]  ? trace_hardirqs_off_caller+0x310/0x310
[  662.769405]  ? preempt_schedule+0x4d/0x60
[  662.773554]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  662.778653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.784183]  ? __kthread_parkme+0xfb/0x1a0
[  662.788414]  ? __oom_reap_task_mm+0x410/0x410
[  662.792905]  kthread+0x35a/0x440
[  662.796267]  ? kthread_stop+0x900/0x900
[  662.800236]  ret_from_fork+0x3a/0x50
[  662.803951] warn_alloc_show_mem: 1 callbacks suppressed
[  662.803960] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  662.803962] Mem-Info:
[  662.803992] active_anon:44214 inactive_anon:199 isolated_anon:0
[  662.803992]  active_file:6 inactive_file:21 isolated_file:0
[  662.803992]  unevictable:0 dirty:0 writeback:0 unstable:0
[  662.803992]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  662.803992]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  662.803992]  free:13686 free_pcp:384 free_cma:0
[  662.809321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  662.809326] Call Trace:
[  662.809333]  <IRQ>
[  662.816688] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  662.819093]  dump_stack+0x244/0x39d
[  662.851855] 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
[  662.861209]  ? dump_stack_print_info.cold.1+0x20/0x20
[  662.863778] lowmem_reserve[]: 0 2818 6321 6321
[  662.865921]  ? __wake_up+0xe/0x10
[  662.893214] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  662.896840]  warn_alloc.cold.116+0xb7/0x1bd
[  662.922909] lowmem_reserve[]: 0 0 3503 3503
[  662.928095]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  662.932643] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  662.936103]  ? lock_downgrade+0x900/0x900
[  662.963392] lowmem_reserve[]: 0 0 0 0
[  662.967710]  ? trace_hardirqs_off+0xb8/0x310
[  662.971997] 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
[  662.976835]  ? trace_hardirqs_off+0xb8/0x310
[  663.005772] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  663.009922]  __alloc_pages_slowpath+0x2651/0x2de0
[  663.013693] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  663.018125]  ? warn_alloc+0x120/0x120
[  663.031603] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  663.035997]  ? warn_alloc+0x120/0x120
[  663.051142] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  663.055965]  ? __lock_acquire+0x62f/0x4c20
[  663.069542] 271 total pagecache pages
[  663.073333]  ? warn_alloc+0x120/0x120
[  663.082146] 0 pages in swap cache
[  663.085925]  ? print_usage_bug+0xc0/0xc0
[  663.094470] Swap cache stats: add 0, delete 0, find 0/0
[  663.098686]  ? print_usage_bug+0xc0/0xc0
[  663.102455] Free swap  = 0kB
[  663.106240]  ? mark_held_locks+0x130/0x130
[  663.109664] Total swap = 0kB
[  663.113711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.119050] 1965979 pages RAM
[  663.123098]  ? should_fail+0x22d/0xd01
[  663.126086] 0 pages HighMem/MovableOnly
[  663.130303]  ? zap_class+0x640/0x640
[  663.130320]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  663.133309] 342854 pages reserved
[  663.133317] 0 pages cma reserved
[  663.138838]  ? __lock_acquire+0x62f/0x4c20
[  663.141968] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  663.145788]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  663.145804]  ? should_fail+0x22d/0xd01
[  663.145828]  ? mark_held_locks+0x130/0x130
[  663.149818] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  663.153468]  ? mark_held_locks+0x130/0x130
[  663.158551] oom_reaper cpuset=/ mems_allowed=0
[  663.161989]  ? lock_downgrade+0x900/0x900
[  663.212297]  ? zap_class+0x640/0x640
[  663.216008]  ? zap_class+0x640/0x640
[  663.219721]  ? zap_class+0x640/0x640
[  663.223906]  ? do_raw_spin_unlock+0xa7/0x330
[  663.228311]  ? trace_hardirqs_on+0x310/0x310
[  663.232716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.238252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.243793]  ? check_preemption_disabled+0x48/0x280
[  663.248813]  ? __lock_is_held+0xb5/0x140
[  663.252876]  __alloc_pages_nodemask+0xad8/0xea0
[  663.257537]  ? zap_class+0x640/0x640
[  663.261248]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  663.266267]  ? find_held_lock+0x36/0x1c0
[  663.270832]  ? ____cache_alloc_node+0x1c7/0x1e0
[  663.275496]  ? lock_downgrade+0x900/0x900
[  663.279644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.285180]  cache_grow_begin+0xa5/0x8c0
[  663.289233]  ? do_raw_spin_unlock+0xa7/0x330
[  663.293642]  fallback_alloc+0x204/0x2e0
[  663.297615]  ____cache_alloc_node+0x1c7/0x1e0
[  663.302111]  kmem_cache_alloc_node+0xe3/0x730
[  663.306605]  ? lockdep_hardirqs_on+0x296/0x5b0
[  663.311189]  __alloc_skb+0x119/0x770
[  663.314898]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  663.320261]  ? netdev_alloc_frag+0x1f0/0x1f0
[  663.324673]  ? vprintk_default+0x28/0x30
[  663.328729]  ? vprintk_func+0x85/0x181
[  663.332610]  ? printk+0xa7/0xcf
[  663.335885]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  663.340644]  new_skb+0x26/0x1c0
[  663.343924]  aoecmd_cfg+0x279/0x7f0
[  663.347547]  ? find_held_lock+0x36/0x1c0
[  663.351604]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  663.355922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.361466]  ? __lock_is_held+0xb5/0x140
[  663.365531]  discover_timer+0x50/0x60
[  663.369327]  call_timer_fn+0x272/0x920
[  663.373208]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  663.378044]  ? process_timeout+0x40/0x40
[  663.382106]  ? __run_timers+0x7da/0xc70
[  663.386079]  ? _raw_spin_unlock_irq+0x27/0x80
[  663.390569]  ? _raw_spin_unlock_irq+0x27/0x80
[  663.395057]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  663.399895]  ? lockdep_hardirqs_on+0x296/0x5b0
[  663.404472]  ? trace_hardirqs_on+0xbd/0x310
[  663.408794]  ? kasan_check_read+0x11/0x20
[  663.412937]  ? __run_timers+0x7da/0xc70
[  663.416905]  ? trace_hardirqs_off_caller+0x310/0x310
[  663.422021]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  663.426857]  __run_timers+0x7e5/0xc70
[  663.430657]  ? timer_fixup_init+0x70/0x70
[  663.434798]  ? lock_acquire+0x1ed/0x520
[  663.438770]  ? zap_class+0x640/0x640
[  663.442476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.448018]  ? kasan_check_read+0x11/0x20
[  663.452162]  ? do_raw_spin_lock+0x14f/0x350
[  663.456485]  ? find_held_lock+0x36/0x1c0
[  663.460543]  ? zap_class+0x640/0x640
[  663.464253]  ? pvclock_read_flags+0x160/0x160
[  663.468745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.474279]  ? check_preemption_disabled+0x48/0x280
[  663.479300]  ? __lock_is_held+0xb5/0x140
[  663.483360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.488890]  ? check_preemption_disabled+0x48/0x280
[  663.493906]  run_timer_softirq+0x52/0xb0
[  663.497961]  ? rcu_read_lock_sched_held+0x14f/0x180
[  663.502969]  __do_softirq+0x308/0xb7e
[  663.506774]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  663.511265]  ? lock_downgrade+0x900/0x900
[  663.515410]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  663.520512]  ? pvclock_read_flags+0x160/0x160
[  663.525011]  ? lapic_next_event+0x5a/0x90
[  663.529154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.534777]  ? kvm_clock_read+0x18/0x30
[  663.538745]  ? kvm_sched_clock_read+0x9/0x20
[  663.543153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.548683]  ? check_preemption_disabled+0x48/0x280
[  663.553700]  irq_exit+0x17f/0x1c0
[  663.557157]  smp_apic_timer_interrupt+0x1cb/0x760
[  663.561993]  ? smp_call_function_single_interrupt+0x159/0x650
[  663.567881]  ? smp_call_function_single_interrupt+0x650/0x650
[  663.573763]  ? interrupt_entry+0xb5/0xc0
[  663.577820]  ? trace_hardirqs_off_caller+0xbb/0x310
[  663.582827]  ? trace_hardirqs_off_caller+0xbb/0x310
[  663.587837]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.592671]  ? trace_hardirqs_on_caller+0x310/0x310
[  663.597683]  ? trace_hardirqs_on_caller+0x310/0x310
[  663.602694]  ? task_prio+0x50/0x50
[  663.606234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.611851]  ? check_preemption_disabled+0x48/0x280
[  663.616866]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.621708]  apic_timer_interrupt+0xf/0x20
[  663.625948]  </IRQ>
[  663.628181] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  663.633108] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  663.652008] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  663.659707] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  663.666967] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  663.674233] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  663.681496] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  663.688761] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  663.696056]  skb_clone+0x1bb/0x500
[  663.699593]  ? finish_task_switch+0x1b4/0x910
[  663.704081]  ? skb_split+0x11e0/0x11e0
[  663.707962]  ? preempt_notifier_register+0x200/0x200
[  663.713064]  ? __switch_to_asm+0x34/0x70
[  663.717123]  ? __switch_to_asm+0x34/0x70
[  663.721176]  ? __switch_to_asm+0x40/0x70
[  663.725228]  ? __switch_to_asm+0x34/0x70
[  663.729283]  ? __switch_to_asm+0x40/0x70
[  663.733338]  ? __switch_to_asm+0x34/0x70
[  663.737393]  ? __switch_to_asm+0x40/0x70
[  663.741443]  ? __switch_to_asm+0x34/0x70
[  663.745498]  ? __switch_to_asm+0x34/0x70
[  663.749549]  ? __switch_to_asm+0x40/0x70
[  663.753602]  ? __switch_to_asm+0x34/0x70
[  663.757659]  bpf_clone_redirect+0xb9/0x490
[  663.761887]  ? __schedule+0x8d7/0x21d0
[  663.765772]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  663.770783]  ? __sched_text_start+0x8/0x8
[  663.774927]  ? retint_kernel+0x2d/0x2d
[  663.778815]  ? find_held_lock+0x36/0x1c0
[  663.782876]  ? lock_acquire+0x1ed/0x520
[  663.786842]  ? bpf_test_run+0x3ee/0x7a0
[  663.790814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.796344]  ? check_preemption_disabled+0x48/0x280
[  663.801355]  ? kasan_check_read+0x11/0x20
[  663.805497]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.810767]  ? rcu_softirq_qs+0x20/0x20
[  663.814741]  ? preempt_schedule+0x4d/0x60
[  663.818894]  ? ___preempt_schedule+0x16/0x18
[  663.823307]  ? bpf_test_run+0x271/0x7a0
[  663.827285]  ? netlink_diag_dump+0x2a0/0x2a0
[  663.831692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.837221]  ? bpf_test_init.isra.10+0x70/0x100
[  663.841995]  ? bpf_prog_test_run_skb+0x762/0xd60
[  663.846755]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  663.851599]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  663.857129]  ? fput+0x130/0x1a0
[  663.860408]  ? __bpf_prog_get+0x9b/0x290
[  663.864469]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  663.869308]  ? bpf_prog_test_run+0x130/0x1a0
[  663.873711]  ? __x64_sys_bpf+0x3d8/0x520
[  663.877769]  ? bpf_prog_get+0x20/0x20
[  663.881581]  ? do_syscall_64+0x1b9/0x820
[  663.885635]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  663.890999]  ? syscall_return_slowpath+0x5e0/0x5e0
[  663.895923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.900760]  ? trace_hardirqs_on_caller+0x310/0x310
[  663.905771]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  663.910783]  ? prepare_exit_to_usermode+0x291/0x3b0
[  663.915798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.920646]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  663.926022] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  663.926083] aoe: skb alloc failure
[  663.933032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  663.933037] Call Trace:
[  663.933042]  <IRQ>
[  663.933058]  dump_stack+0x244/0x39d
[  663.933076]  ? dump_stack_print_info.cold.1+0x20/0x20
[  663.936614] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  663.945930]  ? __wake_up+0xe/0x10
[  663.948486] syz-executor0 cpuset=syz0 mems_allowed=0
[  663.950629]  warn_alloc.cold.116+0xb7/0x1bd
[  663.982771]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  663.987609]  ? lock_downgrade+0x900/0x900
[  663.991763]  ? trace_hardirqs_off+0xb8/0x310
[  663.996170]  ? trace_hardirqs_off+0xb8/0x310
[  664.000667]  __alloc_pages_slowpath+0x2651/0x2de0
[  664.005540]  ? warn_alloc+0x120/0x120
[  664.009335]  ? print_usage_bug+0xc0/0xc0
[  664.013408]  ? warn_alloc+0x120/0x120
[  664.017205]  ? warn_alloc+0x120/0x120
[  664.021008]  ? print_usage_bug+0xc0/0xc0
[  664.025067]  ? print_usage_bug+0xc0/0xc0
[  664.029127]  ? __lock_acquire+0x62f/0x4c20
[  664.033359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.038889]  ? should_fail+0x22d/0xd01
[  664.042774]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  664.047872]  ? __lock_acquire+0x62f/0x4c20
[  664.052104]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  664.057717]  ? __lock_acquire+0x62f/0x4c20
[  664.061946]  ? should_fail+0x22d/0xd01
[  664.065845]  ? find_held_lock+0x36/0x1c0
[  664.069909]  ? mark_held_locks+0x130/0x130
[  664.074141]  ? mark_held_locks+0x130/0x130
[  664.078367]  ? zap_class+0x640/0x640
[  664.082076]  ? zap_class+0x640/0x640
[  664.085789]  ? print_usage_bug+0xc0/0xc0
[  664.089846]  ? do_raw_spin_unlock+0xa7/0x330
[  664.094247]  ? zap_class+0x640/0x640
[  664.097964]  ? print_usage_bug+0xc0/0xc0
[  664.102019]  ? wq_watchdog_touch+0x9c/0xfe
[  664.106251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.111781]  ? check_preemption_disabled+0x48/0x280
[  664.116798]  ? __lock_is_held+0xb5/0x140
[  664.120856]  __alloc_pages_nodemask+0xad8/0xea0
[  664.125519]  ? zap_class+0x640/0x640
[  664.129233]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  664.134251]  ? find_held_lock+0x36/0x1c0
[  664.138317]  ? ____cache_alloc_node+0x1c7/0x1e0
[  664.142979]  ? lock_downgrade+0x900/0x900
[  664.147144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.152685]  cache_grow_begin+0xa5/0x8c0
[  664.156739]  ? do_raw_spin_unlock+0xa7/0x330
[  664.161145]  fallback_alloc+0x204/0x2e0
[  664.165120]  ____cache_alloc_node+0x1c7/0x1e0
[  664.169613]  kmem_cache_alloc_node+0xe3/0x730
[  664.174106]  ? ipv6_get_ifaddr+0x42e/0x620
[  664.178344]  __alloc_skb+0x119/0x770
[  664.182052]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  664.187325]  ? netdev_alloc_frag+0x1f0/0x1f0
[  664.191740]  ? lock_downgrade+0x900/0x900
[  664.195890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.201425]  ? refcount_sub_and_test_checked+0x203/0x310
[  664.206869]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  664.212315]  ? addrconf_rs_timer+0x690/0x690
[  664.216726]  ndisc_alloc_skb+0x144/0x340
[  664.220786]  ndisc_send_rs+0x331/0x6e0
[  664.224671]  addrconf_rs_timer+0x314/0x690
[  664.228903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.233142]  call_timer_fn+0x272/0x920
[  664.237025]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.241257]  ? process_timeout+0x40/0x40
[  664.245321]  ? mark_held_locks+0xc7/0x130
[  664.249466]  ? _raw_spin_unlock_irq+0x27/0x80
[  664.253962]  ? _raw_spin_unlock_irq+0x27/0x80
[  664.258453]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.262680]  ? lockdep_hardirqs_on+0x296/0x5b0
[  664.267262]  ? trace_hardirqs_on+0xbd/0x310
[  664.271591]  ? kasan_check_read+0x11/0x20
[  664.275733]  ? __run_timers+0x7da/0xc70
[  664.279705]  ? trace_hardirqs_off_caller+0x310/0x310
[  664.284808]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.289040]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.293268]  __run_timers+0x7e5/0xc70
[  664.297076]  ? timer_fixup_init+0x70/0x70
[  664.301220]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  664.306233]  ? zap_class+0x640/0x640
[  664.309952]  ? print_usage_bug+0xc0/0xc0
[  664.314012]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  664.319207]  ? find_held_lock+0x36/0x1c0
[  664.323270]  ? zap_class+0x640/0x640
[  664.326984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.332519]  ? check_preemption_disabled+0x48/0x280
[  664.337539]  ? __lock_is_held+0xb5/0x140
[  664.341596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.347136]  ? check_preemption_disabled+0x48/0x280
[  664.352153]  run_timer_softirq+0x52/0xb0
[  664.356233]  ? rcu_read_lock_sched_held+0x14f/0x180
[  664.361247]  __do_softirq+0x308/0xb7e
[  664.365046]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  664.369532]  ? lock_downgrade+0x900/0x900
[  664.373678]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  664.378780]  ? pvclock_read_flags+0x160/0x160
[  664.383275]  ? lapic_next_event+0x5a/0x90
[  664.387415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.392952]  ? kvm_clock_read+0x18/0x30
[  664.396926]  ? kvm_sched_clock_read+0x9/0x20
[  664.401325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.406858]  ? check_preemption_disabled+0x48/0x280
[  664.411875]  irq_exit+0x17f/0x1c0
[  664.415326]  smp_apic_timer_interrupt+0x1cb/0x760
[  664.420159]  ? smp_call_function_single_interrupt+0x159/0x650
[  664.426039]  ? smp_call_function_single_interrupt+0x650/0x650
[  664.431926]  ? interrupt_entry+0xb5/0xc0
[  664.435985]  ? trace_hardirqs_off_caller+0xbb/0x310
[  664.440991]  ? trace_hardirqs_off_caller+0xbb/0x310
[  664.446006]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.450855]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.455868]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.460874]  ? task_prio+0x50/0x50
[  664.464409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.469942]  ? check_preemption_disabled+0x48/0x280
[  664.474959]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.479801]  apic_timer_interrupt+0xf/0x20
[  664.484023]  </IRQ>
[  664.486258] RIP: 0010:smp_call_function_single+0x30a/0x660
[  664.491874] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  664.510854] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  664.518555] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  664.525815] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  664.533075] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  664.540334] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  664.547594] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  664.554865]  ? smp_call_function_single+0x351/0x660
[  664.559890]  ? smp_call_function_single+0x300/0x660
[  664.564920]  ? rcu_note_context_switch+0x12ad/0x2150
[  664.570016]  ? retint_kernel+0x2d/0x2d
[  664.573901]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  664.579789]  ? generic_exec_single+0x5f0/0x5f0
[  664.584363]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  664.590255]  ? zap_class+0x640/0x640
[  664.593965]  ? smp_call_function_single+0x302/0x660
[  664.598975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.604507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.610042]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  664.615049]  ? find_next_and_bit+0x183/0x1e0
[  664.619458]  smp_call_function_many+0x911/0xae0
[  664.624126]  ? __lock_acquire+0x62f/0x4c20
[  664.628359]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  664.634236]  ? _raw_spin_unlock_irq+0x27/0x80
[  664.638722]  ? _raw_spin_unlock_irq+0x27/0x80
[  664.643211]  ? smp_call_function_single_async+0x370/0x370
[  664.648741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.654270]  ? check_preemption_disabled+0x48/0x280
[  664.659281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.664814]  ? check_preemption_disabled+0x48/0x280
[  664.669825]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  664.675703]  on_each_cpu_mask+0x41/0x240
[  664.679758]  ? x86_configure_nx+0x110/0x110
[  664.684071]  on_each_cpu_cond_mask+0x171/0x210
[  664.688650]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  664.694527]  ? on_each_cpu_mask+0x240/0x240
[  664.698854]  native_flush_tlb_others+0x2ea/0x690
[  664.703608]  ? initialize_tlbstate_and_flush+0x380/0x380
[  664.709070]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  664.714079]  ? find_next_bit+0x104/0x130
[  664.718138]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.723667]  ? find_next_bit+0x104/0x130
[  664.727725]  ? cpumask_next+0x41/0x50
[  664.731518]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  664.736527]  ? cpumask_any_but+0xb1/0xe0
[  664.740584]  flush_tlb_mm_range+0x2fe/0x5d0
[  664.744907]  ? fault_around_bytes_set+0x90/0x90
[  664.749578]  ? native_flush_tlb_others+0x690/0x690
[  664.754505]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  664.760046]  ? alloc_pages_current+0x17b/0x350
[  664.764630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.770166]  ? __tlb_remove_page_size+0x187/0x500
[  664.775005]  unmap_page_range+0x1eef/0x2930
[  664.779339]  ? vm_normal_page_pmd+0x510/0x510
[  664.783835]  ? mark_held_locks+0x130/0x130
[  664.788063]  ? finish_task_switch+0x1f4/0x910
[  664.792554]  ? finish_task_switch+0x1b4/0x910
[  664.797041]  ? __switch_to_asm+0x34/0x70
[  664.801112]  ? zap_class+0x640/0x640
[  664.804831]  ? prepare_to_wait_event+0x39f/0xa10
[  664.809579]  ? tlb_table_flush+0xb4/0x5c0
[  664.813717]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  664.818811]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  664.823913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.829442]  ? tlb_flush_mmu_free+0x105/0x170
[  664.833932]  ? tlb_flush_mmu+0x58/0x520
[  664.837913]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  664.842408]  ? kasan_check_write+0x14/0x20
[  664.846637]  ? tlb_finish_mmu+0x166/0x1f0
[  664.850783]  ? tlb_gather_mmu+0x440/0x440
[  664.854928]  ? kasan_check_write+0x14/0x20
[  664.859162]  __oom_reap_task_mm+0xf7/0x410
[  664.863396]  ? process_shares_mm+0x460/0x460
[  664.867815]  oom_reaper+0x2b7/0x11e0
[  664.871534]  ? __oom_reap_task_mm+0x410/0x410
[  664.876028]  ? lock_pin_lock+0x350/0x350
[  664.880085]  ? finish_wait+0x430/0x430
[  664.883980]  ? __schedule+0x168a/0x21d0
[  664.887945]  ? __switch_to_asm+0x40/0x70
[  664.892002]  ? __switch_to_asm+0x40/0x70
[  664.896060]  ? zap_class+0x640/0x640
[  664.899772]  ? __sched_text_start+0x8/0x8
[  664.903923]  ? find_held_lock+0x36/0x1c0
[  664.907986]  ? __kthread_parkme+0xce/0x1a0
[  664.912217]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  664.917315]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  664.922413]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  664.927078]  ? trace_hardirqs_on+0xbd/0x310
[  664.931478]  ? kasan_check_read+0x11/0x20
[  664.935623]  ? __kthread_parkme+0xce/0x1a0
[  664.939855]  ? trace_hardirqs_off_caller+0x310/0x310
[  664.944961]  ? preempt_schedule+0x4d/0x60
[  664.949107]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  664.954209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.959743]  ? __kthread_parkme+0xfb/0x1a0
[  664.963973]  ? __oom_reap_task_mm+0x410/0x410
[  664.968463]  kthread+0x35a/0x440
[  664.971827]  ? kthread_stop+0x900/0x900
[  664.975798]  ret_from_fork+0x3a/0x50
[  664.979514] warn_alloc_show_mem: 1 callbacks suppressed
[  664.979524] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  664.979526] Mem-Info:
[  664.979556] active_anon:44214 inactive_anon:199 isolated_anon:0
[  664.979556]  active_file:6 inactive_file:21 isolated_file:0
[  664.979556]  unevictable:0 dirty:0 writeback:0 unstable:0
[  664.979556]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  664.979556]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  664.979556]  free:13686 free_pcp:384 free_cma:0
[  664.984891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  664.992244] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  664.994631] Call Trace:
[  665.027398] 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
[  665.036732]  <IRQ>
[  665.064026] lowmem_reserve[]: 0 2818 6321 6321
[  665.066611]  dump_stack+0x244/0x39d
[  665.092684] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  665.094829]  ? dump_stack_print_info.cold.1+0x20/0x20
[  665.099376] lowmem_reserve[]: 0 0 3503 3503
[  665.102992]  ? __wake_up+0xe/0x10
[  665.130282] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  665.135467]  warn_alloc.cold.116+0xb7/0x1bd
[  665.139755] lowmem_reserve[]: 0 0 0 0
[  665.143200]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  665.172139] 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
[  665.176452]  ? lock_downgrade+0x900/0x900
[  665.180219] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  665.185059]  ? trace_hardirqs_off+0xb8/0x310
[  665.198549] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  665.202688]  ? trace_hardirqs_off+0xb8/0x310
[  665.217834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  665.222663]  __alloc_pages_slowpath+0x2651/0x2de0
[  665.236250] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  665.240667]  ? warn_alloc+0x120/0x120
[  665.249454] 271 total pagecache pages
[  665.254282]  ? warn_alloc+0x120/0x120
[  665.262930] 0 pages in swap cache
[  665.266709]  ? __lock_acquire+0x62f/0x4c20
[  665.270478] Swap cache stats: add 0, delete 0, find 0/0
[  665.274261]  ? warn_alloc+0x120/0x120
[  665.277687] Free swap  = 0kB
[  665.281909]  ? print_usage_bug+0xc0/0xc0
[  665.287237] Total swap = 0kB
[  665.287244] 1965979 pages RAM
[  665.291033]  ? print_usage_bug+0xc0/0xc0
[  665.294019] 0 pages HighMem/MovableOnly
[  665.294026] 342854 pages reserved
[  665.298076]  ? mark_held_locks+0x130/0x130
[  665.301066] 0 pages cma reserved
[  665.304163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.308674] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  665.312589]  ? should_fail+0x22d/0xd01
[  665.316098] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  665.320234]  ? zap_class+0x640/0x640
[  665.323570] oom_reaper cpuset=/ mems_allowed=0
[  665.329097]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  665.363001]  ? __lock_acquire+0x62f/0x4c20
[  665.367236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  665.372335]  ? should_fail+0x22d/0xd01
[  665.376227]  ? mark_held_locks+0x130/0x130
[  665.380458]  ? mark_held_locks+0x130/0x130
[  665.384688]  ? lock_downgrade+0x900/0x900
[  665.388841]  ? zap_class+0x640/0x640
[  665.392552]  ? zap_class+0x640/0x640
[  665.396262]  ? zap_class+0x640/0x640
[  665.399968]  ? do_raw_spin_unlock+0xa7/0x330
[  665.404372]  ? trace_hardirqs_on+0x310/0x310
[  665.408772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.414305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.419848]  ? check_preemption_disabled+0x48/0x280
[  665.424869]  ? __lock_is_held+0xb5/0x140
[  665.428927]  __alloc_pages_nodemask+0xad8/0xea0
[  665.433592]  ? zap_class+0x640/0x640
[  665.437308]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  665.442327]  ? find_held_lock+0x36/0x1c0
[  665.446389]  ? ____cache_alloc_node+0x1c7/0x1e0
[  665.451052]  ? lock_downgrade+0x900/0x900
[  665.455204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.460742]  cache_grow_begin+0xa5/0x8c0
[  665.464795]  ? do_raw_spin_unlock+0xa7/0x330
[  665.469206]  fallback_alloc+0x204/0x2e0
[  665.473185]  ____cache_alloc_node+0x1c7/0x1e0
[  665.477682]  kmem_cache_alloc_node+0xe3/0x730
[  665.482172]  ? lockdep_hardirqs_on+0x296/0x5b0
[  665.486754]  __alloc_skb+0x119/0x770
[  665.490463]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  665.495830]  ? netdev_alloc_frag+0x1f0/0x1f0
[  665.500239]  ? vprintk_default+0x28/0x30
[  665.504293]  ? vprintk_func+0x85/0x181
[  665.508174]  ? printk+0xa7/0xcf
[  665.511459]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  665.516219]  new_skb+0x26/0x1c0
[  665.519492]  aoecmd_cfg+0x279/0x7f0
[  665.523116]  ? find_held_lock+0x36/0x1c0
[  665.527171]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  665.531492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.537033]  ? __lock_is_held+0xb5/0x140
[  665.541098]  discover_timer+0x50/0x60
[  665.544891]  call_timer_fn+0x272/0x920
[  665.548774]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  665.553608]  ? process_timeout+0x40/0x40
[  665.557673]  ? __run_timers+0x7da/0xc70
[  665.561646]  ? _raw_spin_unlock_irq+0x27/0x80
[  665.566151]  ? _raw_spin_unlock_irq+0x27/0x80
[  665.570640]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  665.575480]  ? lockdep_hardirqs_on+0x296/0x5b0
[  665.580055]  ? trace_hardirqs_on+0xbd/0x310
[  665.584368]  ? kasan_check_read+0x11/0x20
[  665.588511]  ? __run_timers+0x7da/0xc70
[  665.592483]  ? trace_hardirqs_off_caller+0x310/0x310
[  665.597593]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  665.602427]  __run_timers+0x7e5/0xc70
[  665.606232]  ? timer_fixup_init+0x70/0x70
[  665.610374]  ? lock_acquire+0x1ed/0x520
[  665.614343]  ? zap_class+0x640/0x640
[  665.618055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.623599]  ? kasan_check_read+0x11/0x20
[  665.627743]  ? do_raw_spin_lock+0x14f/0x350
[  665.632068]  ? find_held_lock+0x36/0x1c0
[  665.636131]  ? zap_class+0x640/0x640
[  665.639932]  ? pvclock_read_flags+0x160/0x160
[  665.644510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.650042]  ? check_preemption_disabled+0x48/0x280
[  665.655258]  ? __lock_is_held+0xb5/0x140
[  665.659315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.664850]  ? check_preemption_disabled+0x48/0x280
[  665.669866]  run_timer_softirq+0x52/0xb0
[  665.673923]  ? rcu_read_lock_sched_held+0x14f/0x180
[  665.678935]  __do_softirq+0x308/0xb7e
[  665.682735]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  665.687226]  ? lock_downgrade+0x900/0x900
[  665.691372]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  665.696474]  ? pvclock_read_flags+0x160/0x160
[  665.700968]  ? lapic_next_event+0x5a/0x90
[  665.705114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.710651]  ? kvm_clock_read+0x18/0x30
[  665.714619]  ? kvm_sched_clock_read+0x9/0x20
[  665.719022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.724555]  ? check_preemption_disabled+0x48/0x280
[  665.729580]  irq_exit+0x17f/0x1c0
[  665.733028]  smp_apic_timer_interrupt+0x1cb/0x760
[  665.737867]  ? smp_call_function_single_interrupt+0x159/0x650
[  665.743747]  ? smp_call_function_single_interrupt+0x650/0x650
[  665.749625]  ? interrupt_entry+0xb5/0xc0
[  665.753822]  ? trace_hardirqs_off_caller+0xbb/0x310
[  665.758830]  ? trace_hardirqs_off_caller+0xbb/0x310
[  665.763840]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.768677]  ? trace_hardirqs_on_caller+0x310/0x310
[  665.773684]  ? trace_hardirqs_on_caller+0x310/0x310
[  665.778692]  ? task_prio+0x50/0x50
[  665.782227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.787762]  ? check_preemption_disabled+0x48/0x280
[  665.792785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.797632]  apic_timer_interrupt+0xf/0x20
[  665.801854]  </IRQ>
[  665.804090] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  665.809013] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  665.827906] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  665.835604] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  665.842866] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  665.850126] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  665.857385] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  665.864645] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  665.871938]  skb_clone+0x1bb/0x500
[  665.875473]  ? finish_task_switch+0x1b4/0x910
[  665.879964]  ? skb_split+0x11e0/0x11e0
[  665.883849]  ? preempt_notifier_register+0x200/0x200
[  665.888944]  ? __switch_to_asm+0x34/0x70
[  665.892998]  ? __switch_to_asm+0x34/0x70
[  665.897053]  ? __switch_to_asm+0x40/0x70
[  665.901105]  ? __switch_to_asm+0x34/0x70
[  665.905160]  ? __switch_to_asm+0x40/0x70
[  665.909210]  ? __switch_to_asm+0x34/0x70
[  665.913265]  ? __switch_to_asm+0x40/0x70
[  665.917315]  ? __switch_to_asm+0x34/0x70
[  665.921370]  ? __switch_to_asm+0x34/0x70
[  665.925425]  ? __switch_to_asm+0x40/0x70
[  665.929518]  ? __switch_to_asm+0x34/0x70
[  665.933585]  bpf_clone_redirect+0xb9/0x490
[  665.937814]  ? __schedule+0x8d7/0x21d0
[  665.941697]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  665.946710]  ? __sched_text_start+0x8/0x8
[  665.950851]  ? retint_kernel+0x2d/0x2d
[  665.954739]  ? find_held_lock+0x36/0x1c0
[  665.958812]  ? lock_acquire+0x1ed/0x520
[  665.962791]  ? bpf_test_run+0x3ee/0x7a0
[  665.966759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.972299]  ? check_preemption_disabled+0x48/0x280
[  665.977312]  ? kasan_check_read+0x11/0x20
[  665.981452]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.986720]  ? rcu_softirq_qs+0x20/0x20
[  665.990689]  ? preempt_schedule+0x4d/0x60
[  665.994841]  ? ___preempt_schedule+0x16/0x18
[  665.999341]  ? bpf_test_run+0x271/0x7a0
[  666.003319]  ? netlink_diag_dump+0x2a0/0x2a0
[  666.007723]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.013252]  ? bpf_test_init.isra.10+0x70/0x100
[  666.017924]  ? bpf_prog_test_run_skb+0x762/0xd60
[  666.022682]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  666.027522]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  666.033061]  ? fput+0x130/0x1a0
[  666.036337]  ? __bpf_prog_get+0x9b/0x290
[  666.040393]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  666.045230]  ? bpf_prog_test_run+0x130/0x1a0
[  666.049636]  ? __x64_sys_bpf+0x3d8/0x520
[  666.053691]  ? bpf_prog_get+0x20/0x20
[  666.057731]  ? do_syscall_64+0x1b9/0x820
[  666.061971]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  666.067334]  ? syscall_return_slowpath+0x5e0/0x5e0
[  666.072258]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.077095]  ? trace_hardirqs_on_caller+0x310/0x310
[  666.082107]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  666.087118]  ? prepare_exit_to_usermode+0x291/0x3b0
[  666.092136]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.096980]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  666.102351] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  666.102407] aoe: skb alloc failure
[  666.109354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  666.109359] Call Trace:
[  666.109366]  <IRQ>
[  666.109382]  dump_stack+0x244/0x39d
[  666.109400]  ? dump_stack_print_info.cold.1+0x20/0x20
[  666.112965] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  666.122258]  ? __wake_up+0xe/0x10
[  666.124811] syz-executor0 cpuset=syz0 mems_allowed=0
[  666.126955]  warn_alloc.cold.116+0xb7/0x1bd
[  666.159091]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  666.163930]  ? lock_downgrade+0x900/0x900
[  666.168081]  ? trace_hardirqs_off+0xb8/0x310
[  666.172492]  ? trace_hardirqs_off+0xb8/0x310
[  666.176900]  __alloc_pages_slowpath+0x2651/0x2de0
[  666.183149]  ? warn_alloc+0x120/0x120
[  666.186947]  ? print_usage_bug+0xc0/0xc0
[  666.191003]  ? warn_alloc+0x120/0x120
[  666.194804]  ? warn_alloc+0x120/0x120
[  666.198599]  ? print_usage_bug+0xc0/0xc0
[  666.202654]  ? kvm_clock_read+0x18/0x30
[  666.206643]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  666.211658]  ? print_usage_bug+0xc0/0xc0
[  666.215722]  ? __lock_acquire+0x62f/0x4c20
[  666.219959]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.225491]  ? should_fail+0x22d/0xd01
[  666.229374]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  666.234647]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  666.239757]  ? __lock_acquire+0x62f/0x4c20
[  666.244001]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  666.249100]  ? __lock_acquire+0x62f/0x4c20
[  666.253326]  ? should_fail+0x22d/0xd01
[  666.257207]  ? rcu_irq_exit+0x1a2/0x390
[  666.261186]  ? mark_held_locks+0x130/0x130
[  666.265423]  ? mark_held_locks+0x130/0x130
[  666.269657]  ? mark_held_locks+0xc7/0x130
[  666.273797]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  666.278807]  ? zap_class+0x640/0x640
[  666.282528]  ? print_usage_bug+0xc0/0xc0
[  666.286588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.292120]  ? check_preemption_disabled+0x48/0x280
[  666.297150]  ? __lock_is_held+0xb5/0x140
[  666.301211]  __alloc_pages_nodemask+0xad8/0xea0
[  666.305873]  ? zap_class+0x640/0x640
[  666.309588]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  666.314611]  ? find_held_lock+0x36/0x1c0
[  666.319112]  ? ____cache_alloc_node+0x1c7/0x1e0
[  666.323777]  ? lock_downgrade+0x900/0x900
[  666.327924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.333466]  cache_grow_begin+0xa5/0x8c0
[  666.337531]  ? do_raw_spin_unlock+0xa7/0x330
[  666.341949]  fallback_alloc+0x204/0x2e0
[  666.345925]  ____cache_alloc_node+0x1c7/0x1e0
[  666.350416]  kmem_cache_alloc_node+0xe3/0x730
[  666.354906]  ? ipv6_get_ifaddr+0x42e/0x620
[  666.359141]  __alloc_skb+0x119/0x770
[  666.362851]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  666.368123]  ? netdev_alloc_frag+0x1f0/0x1f0
[  666.372522]  ? lock_downgrade+0x900/0x900
[  666.376674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.382203]  ? refcount_sub_and_test_checked+0x203/0x310
[  666.387648]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  666.393092]  ? addrconf_rs_timer+0x690/0x690
[  666.397503]  ndisc_alloc_skb+0x144/0x340
[  666.401578]  ndisc_send_rs+0x331/0x6e0
[  666.405465]  addrconf_rs_timer+0x314/0x690
[  666.409696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.413933]  call_timer_fn+0x272/0x920
[  666.417816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.422053]  ? process_timeout+0x40/0x40
[  666.426114]  ? mark_held_locks+0xc7/0x130
[  666.430265]  ? _raw_spin_unlock_irq+0x27/0x80
[  666.434760]  ? _raw_spin_unlock_irq+0x27/0x80
[  666.439247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.443474]  ? lockdep_hardirqs_on+0x296/0x5b0
[  666.448050]  ? trace_hardirqs_on+0xbd/0x310
[  666.452371]  ? kasan_check_read+0x11/0x20
[  666.456513]  ? __run_timers+0x7da/0xc70
[  666.460486]  ? trace_hardirqs_off_caller+0x310/0x310
[  666.465587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.469823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.474046]  __run_timers+0x7e5/0xc70
[  666.477848]  ? timer_fixup_init+0x70/0x70
[  666.481996]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  666.487020]  ? zap_class+0x640/0x640
[  666.490753]  ? print_usage_bug+0xc0/0xc0
[  666.494808]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  666.500001]  ? find_held_lock+0x36/0x1c0
[  666.504066]  ? zap_class+0x640/0x640
[  666.507777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.513311]  ? check_preemption_disabled+0x48/0x280
[  666.518327]  ? __lock_is_held+0xb5/0x140
[  666.522381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.527911]  ? check_preemption_disabled+0x48/0x280
[  666.532929]  run_timer_softirq+0x52/0xb0
[  666.536987]  ? rcu_read_lock_sched_held+0x14f/0x180
[  666.542001]  __do_softirq+0x308/0xb7e
[  666.545796]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  666.550291]  ? lock_downgrade+0x900/0x900
[  666.554434]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  666.559538]  ? pvclock_read_flags+0x160/0x160
[  666.564027]  ? lapic_next_event+0x5a/0x90
[  666.568198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.573741]  ? kvm_clock_read+0x18/0x30
[  666.577708]  ? kvm_sched_clock_read+0x9/0x20
[  666.582118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.587647]  ? check_preemption_disabled+0x48/0x280
[  666.592664]  irq_exit+0x17f/0x1c0
[  666.596112]  smp_apic_timer_interrupt+0x1cb/0x760
[  666.600949]  ? smp_call_function_single_interrupt+0x159/0x650
[  666.606831]  ? smp_call_function_single_interrupt+0x650/0x650
[  666.612709]  ? interrupt_entry+0xb5/0xc0
[  666.616773]  ? trace_hardirqs_off_caller+0xbb/0x310
[  666.621867]  ? trace_hardirqs_off_caller+0xbb/0x310
[  666.626880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.631727]  ? trace_hardirqs_on_caller+0x310/0x310
[  666.636743]  ? trace_hardirqs_on_caller+0x310/0x310
[  666.641758]  ? task_prio+0x50/0x50
[  666.645293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.650823]  ? check_preemption_disabled+0x48/0x280
[  666.655837]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.660682]  apic_timer_interrupt+0xf/0x20
[  666.664903]  </IRQ>
[  666.667135] RIP: 0010:smp_call_function_single+0x30a/0x660
[  666.672757] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  666.691647] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  666.699346] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  666.706607] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  666.713869] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  666.721134] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  666.728393] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  666.735844]  ? smp_call_function_single+0x351/0x660
[  666.740857]  ? smp_call_function_single+0x300/0x660
[  666.745873]  ? rcu_note_context_switch+0x12ad/0x2150
[  666.750973]  ? retint_kernel+0x2d/0x2d
[  666.754857]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  666.760749]  ? generic_exec_single+0x5f0/0x5f0
[  666.765327]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  666.771204]  ? zap_class+0x640/0x640
[  666.774922]  ? smp_call_function_single+0x302/0x660
[  666.779930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.785462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.790993]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  666.795999]  ? find_next_and_bit+0x183/0x1e0
[  666.800407]  smp_call_function_many+0x911/0xae0
[  666.805068]  ? __lock_acquire+0x62f/0x4c20
[  666.809301]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  666.815179]  ? _raw_spin_unlock_irq+0x27/0x80
[  666.819669]  ? _raw_spin_unlock_irq+0x27/0x80
[  666.824163]  ? smp_call_function_single_async+0x370/0x370
[  666.829695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.835236]  ? check_preemption_disabled+0x48/0x280
[  666.840251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.845785]  ? check_preemption_disabled+0x48/0x280
[  666.850798]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  666.856674]  on_each_cpu_mask+0x41/0x240
[  666.860756]  ? x86_configure_nx+0x110/0x110
[  666.865079]  on_each_cpu_cond_mask+0x171/0x210
[  666.869654]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  666.875549]  ? on_each_cpu_mask+0x240/0x240
[  666.879876]  native_flush_tlb_others+0x2ea/0x690
[  666.884630]  ? initialize_tlbstate_and_flush+0x380/0x380
[  666.890080]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  666.895089]  ? find_next_bit+0x104/0x130
[  666.899147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.904673]  ? find_next_bit+0x104/0x130
[  666.908738]  ? cpumask_next+0x41/0x50
[  666.912530]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  666.917540]  ? cpumask_any_but+0xb1/0xe0
[  666.921599]  flush_tlb_mm_range+0x2fe/0x5d0
[  666.925915]  ? fault_around_bytes_set+0x90/0x90
[  666.930582]  ? native_flush_tlb_others+0x690/0x690
[  666.935508]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  666.941047]  ? alloc_pages_current+0x17b/0x350
[  666.945625]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.951152]  ? __tlb_remove_page_size+0x187/0x500
[  666.955990]  unmap_page_range+0x1eef/0x2930
[  666.960340]  ? vm_normal_page_pmd+0x510/0x510
[  666.964842]  ? mark_held_locks+0x130/0x130
[  666.969078]  ? finish_task_switch+0x1f4/0x910
[  666.973564]  ? finish_task_switch+0x1b4/0x910
[  666.978053]  ? __switch_to_asm+0x34/0x70
[  666.982125]  ? zap_class+0x640/0x640
[  666.985833]  ? prepare_to_wait_event+0x39f/0xa10
[  666.990579]  ? tlb_table_flush+0xb4/0x5c0
[  666.994720]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  666.999817]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  667.004918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.010449]  ? tlb_flush_mmu_free+0x105/0x170
[  667.014947]  ? tlb_flush_mmu+0x58/0x520
[  667.018921]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  667.023419]  ? kasan_check_write+0x14/0x20
[  667.027748]  ? tlb_finish_mmu+0x166/0x1f0
[  667.031891]  ? tlb_gather_mmu+0x440/0x440
[  667.036037]  ? kasan_check_write+0x14/0x20
[  667.040266]  __oom_reap_task_mm+0xf7/0x410
[  667.044496]  ? process_shares_mm+0x460/0x460
[  667.048917]  oom_reaper+0x2b7/0x11e0
[  667.052634]  ? __oom_reap_task_mm+0x410/0x410
[  667.057121]  ? lock_pin_lock+0x350/0x350
[  667.061176]  ? finish_wait+0x430/0x430
[  667.065072]  ? __schedule+0x168a/0x21d0
[  667.069055]  ? __switch_to_asm+0x40/0x70
[  667.073115]  ? __switch_to_asm+0x40/0x70
[  667.077187]  ? zap_class+0x640/0x640
[  667.080900]  ? __sched_text_start+0x8/0x8
[  667.085061]  ? find_held_lock+0x36/0x1c0
[  667.089121]  ? __kthread_parkme+0xce/0x1a0
[  667.093353]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  667.098450]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  667.103550]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  667.108132]  ? trace_hardirqs_on+0xbd/0x310
[  667.112450]  ? kasan_check_read+0x11/0x20
[  667.116593]  ? __kthread_parkme+0xce/0x1a0
[  667.120824]  ? trace_hardirqs_off_caller+0x310/0x310
[  667.125925]  ? preempt_schedule+0x4d/0x60
[  667.130073]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  667.135172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.140706]  ? __kthread_parkme+0xfb/0x1a0
[  667.144943]  ? __oom_reap_task_mm+0x410/0x410
[  667.149434]  kthread+0x35a/0x440
[  667.152794]  ? kthread_stop+0x900/0x900
[  667.156761]  ret_from_fork+0x3a/0x50
[  667.160478] warn_alloc_show_mem: 1 callbacks suppressed
[  667.160487] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  667.160489] Mem-Info:
[  667.160518] active_anon:44214 inactive_anon:199 isolated_anon:0
[  667.160518]  active_file:6 inactive_file:21 isolated_file:0
[  667.160518]  unevictable:0 dirty:0 writeback:0 unstable:0
[  667.160518]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  667.160518]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  667.160518]  free:13686 free_pcp:384 free_cma:0
[  667.165852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  667.173206] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  667.175594] Call Trace:
[  667.208362] 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
[  667.217875]  <IRQ>
[  667.245450] lowmem_reserve[]: 0 2818 6321 6321
[  667.248045]  dump_stack+0x244/0x39d
[  667.274122] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  667.276268]  ? dump_stack_print_info.cold.1+0x20/0x20
[  667.280811] lowmem_reserve[]: 0 0 3503 3503
[  667.284438]  ? __wake_up+0xe/0x10
[  667.311730] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  667.316916]  warn_alloc.cold.116+0xb7/0x1bd
[  667.321201] lowmem_reserve[]: 0 0 0 0
[  667.324649]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  667.353682] 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
[  667.357996]  ? lock_downgrade+0x900/0x900
[  667.361765] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  667.366598]  ? trace_hardirqs_off+0xb8/0x310
[  667.380084] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  667.384227]  ? trace_hardirqs_off+0xb8/0x310
[  667.399372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  667.403767]  __alloc_pages_slowpath+0x2651/0x2de0
[  667.417342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  667.417349] 271 total pagecache pages
[  667.421765]  ? warn_alloc+0x120/0x120
[  667.430574] 0 pages in swap cache
[  667.435399]  ? warn_alloc+0x120/0x120
[  667.443949] Swap cache stats: add 0, delete 0, find 0/0
[  667.447734]  ? warn_alloc+0x120/0x120
[  667.451501] Free swap  = 0kB
[  667.451508] Total swap = 0kB
[  667.454948]  ? print_usage_bug+0xc0/0xc0
[  667.458722] 1965979 pages RAM
[  667.464069]  ? print_usage_bug+0xc0/0xc0
[  667.467833] 0 pages HighMem/MovableOnly
[  667.467840] 342854 pages reserved
[  667.470845]  ? ktime_get+0x2c1/0x400
[  667.473832] 0 pages cma reserved
[  667.473909] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  667.477892]  ? check_preemption_disabled+0x48/0x280
[  667.481026] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  667.485021]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  667.488963] oom_reaper cpuset=/ mems_allowed=0
[  667.492416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.535671]  ? should_fail+0x22d/0xd01
[  667.539554]  ? kasan_check_read+0x11/0x20
[  667.543697]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  667.548793]  ? __lock_acquire+0x62f/0x4c20
[  667.553027]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  667.558122]  ? should_fail+0x22d/0xd01
[  667.562004]  ? print_usage_bug+0xc0/0xc0
[  667.566935]  ? mark_held_locks+0x130/0x130
[  667.571169]  ? mark_held_locks+0x130/0x130
[  667.575399]  ? check_preemption_disabled+0x48/0x280
[  667.580420]  ? zap_class+0x640/0x640
[  667.584135]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  667.588887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.594421]  ? check_preemption_disabled+0x48/0x280
[  667.599443]  ? __lock_is_held+0xb5/0x140
[  667.603502]  __alloc_pages_nodemask+0xad8/0xea0
[  667.608165]  ? zap_class+0x640/0x640
[  667.611876]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  667.616894]  ? find_held_lock+0x36/0x1c0
[  667.620960]  ? ____cache_alloc_node+0x1c7/0x1e0
[  667.625621]  ? lock_downgrade+0x900/0x900
[  667.629779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.635316]  cache_grow_begin+0xa5/0x8c0
[  667.639370]  ? do_raw_spin_unlock+0xa7/0x330
[  667.643783]  fallback_alloc+0x204/0x2e0
[  667.647755]  ____cache_alloc_node+0x1c7/0x1e0
[  667.652247]  kmem_cache_alloc_node+0xe3/0x730
[  667.656746]  ? lockdep_hardirqs_on+0x296/0x5b0
[  667.661330]  __alloc_skb+0x119/0x770
[  667.665035]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  667.670405]  ? netdev_alloc_frag+0x1f0/0x1f0
[  667.674813]  ? vprintk_default+0x28/0x30
[  667.678893]  ? vprintk_func+0x85/0x181
[  667.682775]  ? printk+0xa7/0xcf
[  667.686050]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  667.690812]  new_skb+0x26/0x1c0
[  667.694084]  aoecmd_cfg+0x279/0x7f0
[  667.697706]  ? find_held_lock+0x36/0x1c0
[  667.701763]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  667.706082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.711635]  ? __lock_is_held+0xb5/0x140
[  667.715705]  discover_timer+0x50/0x60
[  667.719496]  call_timer_fn+0x272/0x920
[  667.723380]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  667.728215]  ? process_timeout+0x40/0x40
[  667.732274]  ? __run_timers+0x7da/0xc70
[  667.736246]  ? _raw_spin_unlock_irq+0x27/0x80
[  667.740737]  ? _raw_spin_unlock_irq+0x27/0x80
[  667.745225]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  667.750063]  ? lockdep_hardirqs_on+0x296/0x5b0
[  667.754649]  ? trace_hardirqs_on+0xbd/0x310
[  667.758965]  ? kasan_check_read+0x11/0x20
[  667.763102]  ? __run_timers+0x7da/0xc70
[  667.767074]  ? trace_hardirqs_off_caller+0x310/0x310
[  667.772182]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  667.777016]  __run_timers+0x7e5/0xc70
[  667.780824]  ? timer_fixup_init+0x70/0x70
[  667.784965]  ? lock_acquire+0x1ed/0x520
[  667.788932]  ? zap_class+0x640/0x640
[  667.792647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.798182]  ? kasan_check_read+0x11/0x20
[  667.802322]  ? do_raw_spin_lock+0x14f/0x350
[  667.806652]  ? find_held_lock+0x36/0x1c0
[  667.810710]  ? zap_class+0x640/0x640
[  667.814426]  ? pvclock_read_flags+0x160/0x160
[  667.818920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.824452]  ? check_preemption_disabled+0x48/0x280
[  667.829471]  ? __lock_is_held+0xb5/0x140
[  667.833526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.839058]  ? check_preemption_disabled+0x48/0x280
[  667.844070]  run_timer_softirq+0x52/0xb0
[  667.848124]  ? rcu_read_lock_sched_held+0x14f/0x180
[  667.853136]  __do_softirq+0x308/0xb7e
[  667.856932]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  667.861417]  ? lock_downgrade+0x900/0x900
[  667.865561]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  667.870664]  ? pvclock_read_flags+0x160/0x160
[  667.875155]  ? lapic_next_event+0x5a/0x90
[  667.879302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.884838]  ? kvm_clock_read+0x18/0x30
[  667.888808]  ? kvm_sched_clock_read+0x9/0x20
[  667.893213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.898747]  ? check_preemption_disabled+0x48/0x280
[  667.903763]  irq_exit+0x17f/0x1c0
[  667.907215]  smp_apic_timer_interrupt+0x1cb/0x760
[  667.912051]  ? smp_call_function_single_interrupt+0x159/0x650
[  667.917930]  ? smp_call_function_single_interrupt+0x650/0x650
[  667.923809]  ? interrupt_entry+0xb5/0xc0
[  667.927866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  667.932878]  ? trace_hardirqs_off_caller+0xbb/0x310
[  667.937887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.942729]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.947739]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.952746]  ? task_prio+0x50/0x50
[  667.956281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.961816]  ? check_preemption_disabled+0x48/0x280
[  667.966833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.971675]  apic_timer_interrupt+0xf/0x20
[  667.975900]  </IRQ>
[  667.978130] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  667.983057] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  668.001949] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  668.009652] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  668.016912] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  668.024171] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  668.031436] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  668.038700] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  668.045996]  skb_clone+0x1bb/0x500
[  668.049532]  ? finish_task_switch+0x1b4/0x910
[  668.054029]  ? skb_split+0x11e0/0x11e0
[  668.058158]  ? preempt_notifier_register+0x200/0x200
[  668.063256]  ? __switch_to_asm+0x34/0x70
[  668.067309]  ? __switch_to_asm+0x34/0x70
[  668.071370]  ? __switch_to_asm+0x40/0x70
[  668.075602]  ? __switch_to_asm+0x34/0x70
[  668.079659]  ? __switch_to_asm+0x40/0x70
[  668.083714]  ? __switch_to_asm+0x34/0x70
[  668.087770]  ? __switch_to_asm+0x40/0x70
[  668.091823]  ? __switch_to_asm+0x34/0x70
[  668.095880]  ? __switch_to_asm+0x34/0x70
[  668.099931]  ? __switch_to_asm+0x40/0x70
[  668.103983]  ? __switch_to_asm+0x34/0x70
[  668.108046]  bpf_clone_redirect+0xb9/0x490
[  668.112277]  ? __schedule+0x8d7/0x21d0
[  668.116169]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  668.121182]  ? __sched_text_start+0x8/0x8
[  668.125321]  ? retint_kernel+0x2d/0x2d
[  668.129218]  ? find_held_lock+0x36/0x1c0
[  668.133277]  ? lock_acquire+0x1ed/0x520
[  668.137245]  ? bpf_test_run+0x3ee/0x7a0
[  668.141215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.146747]  ? check_preemption_disabled+0x48/0x280
[  668.151763]  ? kasan_check_read+0x11/0x20
[  668.155907]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.161181]  ? rcu_softirq_qs+0x20/0x20
[  668.165151]  ? preempt_schedule+0x4d/0x60
[  668.169297]  ? ___preempt_schedule+0x16/0x18
[  668.173705]  ? bpf_test_run+0x271/0x7a0
[  668.177684]  ? netlink_diag_dump+0x2a0/0x2a0
[  668.182086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.187619]  ? bpf_test_init.isra.10+0x70/0x100
[  668.192285]  ? bpf_prog_test_run_skb+0x762/0xd60
[  668.197041]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  668.201885]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  668.207416]  ? fput+0x130/0x1a0
[  668.210694]  ? __bpf_prog_get+0x9b/0x290
[  668.214751]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  668.219596]  ? bpf_prog_test_run+0x130/0x1a0
[  668.224474]  ? __x64_sys_bpf+0x3d8/0x520
[  668.228529]  ? bpf_prog_get+0x20/0x20
[  668.232345]  ? do_syscall_64+0x1b9/0x820
[  668.236399]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  668.241758]  ? syscall_return_slowpath+0x5e0/0x5e0
[  668.246678]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.251516]  ? trace_hardirqs_on_caller+0x310/0x310
[  668.256526]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  668.261538]  ? prepare_exit_to_usermode+0x291/0x3b0
[  668.266557]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.271406]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  668.276778] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  668.276831] aoe: skb alloc failure
[  668.283786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  668.283791] Call Trace:
[  668.283796]  <IRQ>
[  668.283812]  dump_stack+0x244/0x39d
[  668.283836]  ? dump_stack_print_info.cold.1+0x20/0x20
[  668.287375] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  668.296688]  ? __wake_up+0xe/0x10
[  668.299245] syz-executor0 cpuset=syz0 mems_allowed=0
[  668.301384]  warn_alloc.cold.116+0xb7/0x1bd
[  668.333452]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  668.338289]  ? lock_downgrade+0x900/0x900
[  668.342436]  ? trace_hardirqs_off+0xb8/0x310
[  668.346846]  ? trace_hardirqs_off+0xb8/0x310
[  668.351255]  __alloc_pages_slowpath+0x2651/0x2de0
[  668.356112]  ? warn_alloc+0x120/0x120
[  668.359909]  ? print_usage_bug+0xc0/0xc0
[  668.363962]  ? warn_alloc+0x120/0x120
[  668.367756]  ? zap_class+0x640/0x640
[  668.371484]  ? warn_alloc+0x120/0x120
[  668.375284]  ? print_usage_bug+0xc0/0xc0
[  668.379346]  ? print_usage_bug+0xc0/0xc0
[  668.383404]  ? __lock_acquire+0x62f/0x4c20
[  668.387638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.393172]  ? should_fail+0x22d/0xd01
[  668.397060]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  668.402161]  ? __lock_acquire+0x62f/0x4c20
[  668.406396]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  668.411489]  ? __lock_acquire+0x62f/0x4c20
[  668.415718]  ? should_fail+0x22d/0xd01
[  668.419596]  ? find_held_lock+0x36/0x1c0
[  668.423660]  ? mark_held_locks+0x130/0x130
[  668.427989]  ? mark_held_locks+0x130/0x130
[  668.432213]  ? zap_class+0x640/0x640
[  668.435918]  ? zap_class+0x640/0x640
[  668.439629]  ? print_usage_bug+0xc0/0xc0
[  668.443681]  ? do_raw_spin_unlock+0xa7/0x330
[  668.448082]  ? zap_class+0x640/0x640
[  668.451790]  ? print_usage_bug+0xc0/0xc0
[  668.455882]  ? wq_watchdog_touch+0x9c/0xfe
[  668.460112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.465648]  ? check_preemption_disabled+0x48/0x280
[  668.470667]  ? __lock_is_held+0xb5/0x140
[  668.474729]  __alloc_pages_nodemask+0xad8/0xea0
[  668.479394]  ? zap_class+0x640/0x640
[  668.483116]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  668.488139]  ? find_held_lock+0x36/0x1c0
[  668.492205]  ? ____cache_alloc_node+0x1c7/0x1e0
[  668.496865]  ? lock_downgrade+0x900/0x900
[  668.501011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.506555]  cache_grow_begin+0xa5/0x8c0
[  668.510609]  ? do_raw_spin_unlock+0xa7/0x330
[  668.515016]  fallback_alloc+0x204/0x2e0
[  668.518989]  ____cache_alloc_node+0x1c7/0x1e0
[  668.523484]  kmem_cache_alloc_node+0xe3/0x730
[  668.527973]  ? ipv6_get_ifaddr+0x42e/0x620
[  668.532210]  __alloc_skb+0x119/0x770
[  668.535917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.541192]  ? netdev_alloc_frag+0x1f0/0x1f0
[  668.545598]  ? lock_downgrade+0x900/0x900
[  668.549745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.555274]  ? refcount_sub_and_test_checked+0x203/0x310
[  668.560735]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  668.566181]  ? addrconf_rs_timer+0x690/0x690
[  668.570593]  ndisc_alloc_skb+0x144/0x340
[  668.574656]  ndisc_send_rs+0x331/0x6e0
[  668.578548]  addrconf_rs_timer+0x314/0x690
[  668.582785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.587024]  call_timer_fn+0x272/0x920
[  668.590906]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.595133]  ? process_timeout+0x40/0x40
[  668.599197]  ? mark_held_locks+0xc7/0x130
[  668.603338]  ? _raw_spin_unlock_irq+0x27/0x80
[  668.607830]  ? _raw_spin_unlock_irq+0x27/0x80
[  668.612330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.616568]  ? lockdep_hardirqs_on+0x296/0x5b0
[  668.621144]  ? trace_hardirqs_on+0xbd/0x310
[  668.625456]  ? kasan_check_read+0x11/0x20
[  668.629598]  ? __run_timers+0x7da/0xc70
[  668.633573]  ? trace_hardirqs_off_caller+0x310/0x310
[  668.638677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.642911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.647137]  __run_timers+0x7e5/0xc70
[  668.650941]  ? timer_fixup_init+0x70/0x70
[  668.655086]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  668.660096]  ? zap_class+0x640/0x640
[  668.663812]  ? print_usage_bug+0xc0/0xc0
[  668.667869]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  668.673057]  ? find_held_lock+0x36/0x1c0
[  668.677115]  ? zap_class+0x640/0x640
[  668.680826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.686362]  ? check_preemption_disabled+0x48/0x280
[  668.691377]  ? __lock_is_held+0xb5/0x140
[  668.695435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.700965]  ? check_preemption_disabled+0x48/0x280
[  668.705979]  run_timer_softirq+0x52/0xb0
[  668.710032]  ? rcu_read_lock_sched_held+0x14f/0x180
[  668.715040]  __do_softirq+0x308/0xb7e
[  668.718838]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  668.723327]  ? lock_downgrade+0x900/0x900
[  668.727475]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  668.732582]  ? pvclock_read_flags+0x160/0x160
[  668.737073]  ? lapic_next_event+0x5a/0x90
[  668.741217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.746753]  ? kvm_clock_read+0x18/0x30
[  668.750727]  ? kvm_sched_clock_read+0x9/0x20
[  668.755131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.760664]  ? check_preemption_disabled+0x48/0x280
[  668.765682]  irq_exit+0x17f/0x1c0
[  668.769130]  smp_apic_timer_interrupt+0x1cb/0x760
[  668.773965]  ? smp_call_function_single_interrupt+0x159/0x650
[  668.779847]  ? smp_call_function_single_interrupt+0x650/0x650
[  668.785727]  ? interrupt_entry+0xb5/0xc0
[  668.789789]  ? trace_hardirqs_off_caller+0xbb/0x310
[  668.794803]  ? trace_hardirqs_off_caller+0xbb/0x310
[  668.799813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.804649]  ? trace_hardirqs_on_caller+0x310/0x310
[  668.809661]  ? trace_hardirqs_on_caller+0x310/0x310
[  668.814674]  ? task_prio+0x50/0x50
[  668.818212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.823742]  ? check_preemption_disabled+0x48/0x280
[  668.828757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.833605]  apic_timer_interrupt+0xf/0x20
[  668.837833]  </IRQ>
[  668.840064] RIP: 0010:smp_call_function_single+0x30a/0x660
[  668.845685] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  668.864575] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  668.872279] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  668.879541] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  668.886799] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  668.894063] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  668.901320] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  668.908593]  ? smp_call_function_single+0x351/0x660
[  668.913604]  ? smp_call_function_single+0x300/0x660
[  668.918621]  ? rcu_note_context_switch+0x12ad/0x2150
[  668.923719]  ? retint_kernel+0x2d/0x2d
[  668.927601]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  668.933479]  ? generic_exec_single+0x5f0/0x5f0
[  668.938060]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  668.943941]  ? zap_class+0x640/0x640
[  668.947669]  ? smp_call_function_single+0x302/0x660
[  668.952678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.958208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.963739]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  668.968777]  ? find_next_and_bit+0x183/0x1e0
[  668.973188]  smp_call_function_many+0x911/0xae0
[  668.977850]  ? __lock_acquire+0x62f/0x4c20
[  668.982078]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  668.987957]  ? _raw_spin_unlock_irq+0x27/0x80
[  668.992442]  ? _raw_spin_unlock_irq+0x27/0x80
[  668.996932]  ? smp_call_function_single_async+0x370/0x370
[  669.002467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.007999]  ? check_preemption_disabled+0x48/0x280
[  669.013015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.018548]  ? check_preemption_disabled+0x48/0x280
[  669.023562]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  669.029438]  on_each_cpu_mask+0x41/0x240
[  669.033496]  ? x86_configure_nx+0x110/0x110
[  669.037819]  on_each_cpu_cond_mask+0x171/0x210
[  669.042395]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  669.048274]  ? on_each_cpu_mask+0x240/0x240
[  669.052597]  native_flush_tlb_others+0x2ea/0x690
[  669.057349]  ? initialize_tlbstate_and_flush+0x380/0x380
[  669.062798]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  669.067809]  ? find_next_bit+0x104/0x130
[  669.071869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.077395]  ? find_next_bit+0x104/0x130
[  669.081455]  ? cpumask_next+0x41/0x50
[  669.085250]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  669.090258]  ? cpumask_any_but+0xb1/0xe0
[  669.094314]  flush_tlb_mm_range+0x2fe/0x5d0
[  669.098633]  ? fault_around_bytes_set+0x90/0x90
[  669.103299]  ? native_flush_tlb_others+0x690/0x690
[  669.108222]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  669.113764]  ? alloc_pages_current+0x17b/0x350
[  669.118345]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.123874]  ? __tlb_remove_page_size+0x187/0x500
[  669.128716]  unmap_page_range+0x1eef/0x2930
[  669.133050]  ? vm_normal_page_pmd+0x510/0x510
[  669.137548]  ? mark_held_locks+0x130/0x130
[  669.141781]  ? finish_task_switch+0x1f4/0x910
[  669.146272]  ? finish_task_switch+0x1b4/0x910
[  669.150762]  ? __switch_to_asm+0x34/0x70
[  669.154834]  ? zap_class+0x640/0x640
[  669.158542]  ? prepare_to_wait_event+0x39f/0xa10
[  669.163294]  ? tlb_table_flush+0xb4/0x5c0
[  669.167433]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  669.172527]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  669.177631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.183158]  ? tlb_flush_mmu_free+0x105/0x170
[  669.187652]  ? tlb_flush_mmu+0x58/0x520
[  669.191627]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  669.196132]  ? kasan_check_write+0x14/0x20
[  669.200362]  ? tlb_finish_mmu+0x166/0x1f0
[  669.204518]  ? tlb_gather_mmu+0x440/0x440
[  669.208663]  ? kasan_check_write+0x14/0x20
[  669.212893]  __oom_reap_task_mm+0xf7/0x410
[  669.217127]  ? process_shares_mm+0x460/0x460
[  669.221550]  oom_reaper+0x2b7/0x11e0
[  669.225512]  ? __oom_reap_task_mm+0x410/0x410
[  669.230003]  ? lock_pin_lock+0x350/0x350
[  669.234058]  ? finish_wait+0x430/0x430
[  669.237955]  ? __schedule+0x168a/0x21d0
[  669.241932]  ? __switch_to_asm+0x40/0x70
[  669.245988]  ? __switch_to_asm+0x40/0x70
[  669.250047]  ? zap_class+0x640/0x640
[  669.253766]  ? __sched_text_start+0x8/0x8
[  669.257914]  ? find_held_lock+0x36/0x1c0
[  669.261988]  ? __kthread_parkme+0xce/0x1a0
[  669.266222]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  669.271317]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  669.276415]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  669.280991]  ? trace_hardirqs_on+0xbd/0x310
[  669.285307]  ? kasan_check_read+0x11/0x20
[  669.289448]  ? __kthread_parkme+0xce/0x1a0
[  669.293685]  ? trace_hardirqs_off_caller+0x310/0x310
[  669.298785]  ? preempt_schedule+0x4d/0x60
[  669.302931]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  669.308032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.313563]  ? __kthread_parkme+0xfb/0x1a0
[  669.317793]  ? __oom_reap_task_mm+0x410/0x410
[  669.322284]  kthread+0x35a/0x440
[  669.325645]  ? kthread_stop+0x900/0x900
[  669.329619]  ret_from_fork+0x3a/0x50
[  669.333343] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  669.333347] warn_alloc_show_mem: 1 callbacks suppressed
[  669.333353] Mem-Info:
[  669.340702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  669.346064] active_anon:44214 inactive_anon:199 isolated_anon:0
[  669.346064]  active_file:6 inactive_file:21 isolated_file:0
[  669.346064]  unevictable:0 dirty:0 writeback:0 unstable:0
[  669.346064]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  669.346064]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  669.346064]  free:13686 free_pcp:384 free_cma:0
[  669.348431] Call Trace:
[  669.357801] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  669.390564]  <IRQ>
[  669.393127] 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
[  669.420446]  dump_stack+0x244/0x39d
[  669.422554] lowmem_reserve[]: 0 2818 6321 6321
[  669.448658]  ? dump_stack_print_info.cold.1+0x20/0x20
[  669.452254] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  669.456824]  ? __wake_up+0xe/0x10
[  669.461975] lowmem_reserve[]: 0 0 3503 3503
[  669.489296]  warn_alloc.cold.116+0xb7/0x1bd
[  669.492712] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  669.497025]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  669.501312] lowmem_reserve[]: 0 0 0 0
[  669.530275]  ? lock_downgrade+0x900/0x900
[  669.535085] 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
[  669.538882]  ? trace_hardirqs_off+0xb8/0x310
[  669.542995] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  669.556510]  ? trace_hardirqs_off+0xb8/0x310
[  669.560886] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  669.576057]  __alloc_pages_slowpath+0x2651/0x2de0
[  669.580439] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  669.594065]  ? warn_alloc+0x120/0x120
[  669.598861] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  669.607680]  ? warn_alloc+0x120/0x120
[  669.611459] 271 total pagecache pages
[  669.620020]  ? __lock_acquire+0x62f/0x4c20
[  669.623796] 0 pages in swap cache
[  669.627577]  ? warn_alloc+0x120/0x120
[  669.631786] Swap cache stats: add 0, delete 0, find 0/0
[  669.635229]  ? print_usage_bug+0xc0/0xc0
[  669.639002] Free swap  = 0kB
[  669.644352]  ? print_usage_bug+0xc0/0xc0
[  669.648386] Total swap = 0kB
[  669.651388]  ? mark_held_locks+0x130/0x130
[  669.655423] 1965979 pages RAM
[  669.658438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.662645] 0 pages HighMem/MovableOnly
[  669.665735]  ? should_fail+0x22d/0xd01
[  669.671240] 342854 pages reserved
[  669.675201]  ? zap_class+0x640/0x640
[  669.679057] 0 pages cma reserved
[  669.682504]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.686231] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  669.689542]  ? __lock_acquire+0x62f/0x4c20
[  669.694691] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  669.701095]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.705301] oom_reaper cpuset=/ mems_allowed=0
[  669.715508]  ? should_fail+0x22d/0xd01
[  669.729026]  ? mark_held_locks+0x130/0x130
[  669.733262]  ? mark_held_locks+0x130/0x130
[  669.737495]  ? lock_downgrade+0x900/0x900
[  669.741641]  ? zap_class+0x640/0x640
[  669.745352]  ? zap_class+0x640/0x640
[  669.749064]  ? zap_class+0x640/0x640
[  669.752775]  ? do_raw_spin_unlock+0xa7/0x330
[  669.757180]  ? trace_hardirqs_on+0x310/0x310
[  669.761587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.767117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.772651]  ? check_preemption_disabled+0x48/0x280
[  669.777667]  ? __lock_is_held+0xb5/0x140
[  669.781730]  __alloc_pages_nodemask+0xad8/0xea0
[  669.786396]  ? zap_class+0x640/0x640
[  669.790110]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  669.795128]  ? find_held_lock+0x36/0x1c0
[  669.799197]  ? ____cache_alloc_node+0x1c7/0x1e0
[  669.803863]  ? lock_downgrade+0x900/0x900
[  669.808011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.813544]  cache_grow_begin+0xa5/0x8c0
[  669.817606]  ? do_raw_spin_unlock+0xa7/0x330
[  669.822018]  fallback_alloc+0x204/0x2e0
[  669.825989]  ____cache_alloc_node+0x1c7/0x1e0
[  669.830482]  kmem_cache_alloc_node+0xe3/0x730
[  669.834972]  ? lockdep_hardirqs_on+0x296/0x5b0
[  669.839556]  __alloc_skb+0x119/0x770
[  669.843264]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  669.848623]  ? netdev_alloc_frag+0x1f0/0x1f0
[  669.853029]  ? vprintk_default+0x28/0x30
[  669.857083]  ? vprintk_func+0x85/0x181
[  669.860965]  ? printk+0xa7/0xcf
[  669.864241]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  669.869001]  new_skb+0x26/0x1c0
[  669.872276]  aoecmd_cfg+0x279/0x7f0
[  669.875897]  ? find_held_lock+0x36/0x1c0
[  669.879956]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  669.884279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.889818]  ? __lock_is_held+0xb5/0x140
[  669.893882]  discover_timer+0x50/0x60
[  669.897674]  call_timer_fn+0x272/0x920
[  669.901555]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  669.906389]  ? process_timeout+0x40/0x40
[  669.910459]  ? __run_timers+0x7da/0xc70
[  669.914439]  ? _raw_spin_unlock_irq+0x27/0x80
[  669.918926]  ? _raw_spin_unlock_irq+0x27/0x80
[  669.923413]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  669.928255]  ? lockdep_hardirqs_on+0x296/0x5b0
[  669.932831]  ? trace_hardirqs_on+0xbd/0x310
[  669.937148]  ? kasan_check_read+0x11/0x20
[  669.941289]  ? __run_timers+0x7da/0xc70
[  669.945256]  ? trace_hardirqs_off_caller+0x310/0x310
[  669.950361]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  669.955196]  __run_timers+0x7e5/0xc70
[  669.958996]  ? timer_fixup_init+0x70/0x70
[  669.963140]  ? lock_acquire+0x1ed/0x520
[  669.967106]  ? zap_class+0x640/0x640
[  669.970817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.976351]  ? kasan_check_read+0x11/0x20
[  669.980493]  ? do_raw_spin_lock+0x14f/0x350
[  669.984817]  ? find_held_lock+0x36/0x1c0
[  669.988876]  ? zap_class+0x640/0x640
[  669.992590]  ? pvclock_read_flags+0x160/0x160
[  669.997085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.002621]  ? check_preemption_disabled+0x48/0x280
[  670.007649]  ? __lock_is_held+0xb5/0x140
[  670.011703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.017236]  ? check_preemption_disabled+0x48/0x280
[  670.022252]  run_timer_softirq+0x52/0xb0
[  670.026308]  ? rcu_read_lock_sched_held+0x14f/0x180
[  670.031318]  __do_softirq+0x308/0xb7e
[  670.035120]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  670.039611]  ? lock_downgrade+0x900/0x900
[  670.043758]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  670.048861]  ? pvclock_read_flags+0x160/0x160
[  670.053352]  ? lapic_next_event+0x5a/0x90
[  670.057795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.063334]  ? kvm_clock_read+0x18/0x30
[  670.067303]  ? kvm_sched_clock_read+0x9/0x20
[  670.071708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.077239]  ? check_preemption_disabled+0x48/0x280
[  670.082256]  irq_exit+0x17f/0x1c0
[  670.085704]  smp_apic_timer_interrupt+0x1cb/0x760
[  670.090538]  ? smp_call_function_single_interrupt+0x159/0x650
[  670.096427]  ? smp_call_function_single_interrupt+0x650/0x650
[  670.102308]  ? interrupt_entry+0xb5/0xc0
[  670.106363]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.111369]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.116387]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.121230]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.126238]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.131245]  ? task_prio+0x50/0x50
[  670.134780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.140321]  ? check_preemption_disabled+0x48/0x280
[  670.145336]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.150183]  apic_timer_interrupt+0xf/0x20
[  670.154413]  </IRQ>
[  670.156646] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  670.161569] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  670.180464] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  670.188168] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  670.195432] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  670.202692] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  670.209953] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  670.217215] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  670.224508]  skb_clone+0x1bb/0x500
[  670.228042]  ? finish_task_switch+0x1b4/0x910
[  670.232531]  ? skb_split+0x11e0/0x11e0
[  670.236419]  ? preempt_notifier_register+0x200/0x200
[  670.241525]  ? __switch_to_asm+0x34/0x70
[  670.245576]  ? __switch_to_asm+0x34/0x70
[  670.249633]  ? __switch_to_asm+0x40/0x70
[  670.253690]  ? __switch_to_asm+0x34/0x70
[  670.257746]  ? __switch_to_asm+0x40/0x70
[  670.261797]  ? __switch_to_asm+0x34/0x70
[  670.265853]  ? __switch_to_asm+0x40/0x70
[  670.269905]  ? __switch_to_asm+0x34/0x70
[  670.273957]  ? __switch_to_asm+0x34/0x70
[  670.278017]  ? __switch_to_asm+0x40/0x70
[  670.282068]  ? __switch_to_asm+0x34/0x70
[  670.286129]  bpf_clone_redirect+0xb9/0x490
[  670.290366]  ? __schedule+0x8d7/0x21d0
[  670.294263]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  670.299273]  ? __sched_text_start+0x8/0x8
[  670.303420]  ? retint_kernel+0x2d/0x2d
[  670.307310]  ? find_held_lock+0x36/0x1c0
[  670.311370]  ? lock_acquire+0x1ed/0x520
[  670.315344]  ? bpf_test_run+0x3ee/0x7a0
[  670.319329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.324872]  ? check_preemption_disabled+0x48/0x280
[  670.329894]  ? kasan_check_read+0x11/0x20
[  670.334034]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.339302]  ? rcu_softirq_qs+0x20/0x20
[  670.343272]  ? preempt_schedule+0x4d/0x60
[  670.347415]  ? ___preempt_schedule+0x16/0x18
[  670.351825]  ? bpf_test_run+0x271/0x7a0
[  670.355810]  ? netlink_diag_dump+0x2a0/0x2a0
[  670.360219]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.365749]  ? bpf_test_init.isra.10+0x70/0x100
[  670.370420]  ? bpf_prog_test_run_skb+0x762/0xd60
[  670.375178]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  670.380018]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  670.385547]  ? fput+0x130/0x1a0
[  670.388823]  ? __bpf_prog_get+0x9b/0x290
[  670.392879]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  670.397719]  ? bpf_prog_test_run+0x130/0x1a0
[  670.402127]  ? __x64_sys_bpf+0x3d8/0x520
[  670.406184]  ? bpf_prog_get+0x20/0x20
[  670.409999]  ? do_syscall_64+0x1b9/0x820
[  670.414056]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  670.419419]  ? syscall_return_slowpath+0x5e0/0x5e0
[  670.424339]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.429176]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.434186]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  670.439199]  ? prepare_exit_to_usermode+0x291/0x3b0
[  670.444216]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.449059]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  670.454433] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  670.454487] aoe: skb alloc failure
[  670.461442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  670.461449] Call Trace:
[  670.465023] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  670.474301]  <IRQ>
[  670.476861] syz-executor0 cpuset=syz0 mems_allowed=0
[  670.487329]  dump_stack+0x244/0x39d
[  670.498156]  ? dump_stack_print_info.cold.1+0x20/0x20
[  670.503351]  ? __wake_up+0xe/0x10
[  670.506809]  warn_alloc.cold.116+0xb7/0x1bd
[  670.511126]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  670.515964]  ? lock_downgrade+0x900/0x900
[  670.520115]  ? trace_hardirqs_off+0xb8/0x310
[  670.524528]  ? trace_hardirqs_off+0xb8/0x310
[  670.528961]  __alloc_pages_slowpath+0x2651/0x2de0
[  670.533848]  ? warn_alloc+0x120/0x120
[  670.537664]  ? print_usage_bug+0xc0/0xc0
[  670.541731]  ? warn_alloc+0x120/0x120
[  670.545529]  ? warn_alloc+0x120/0x120
[  670.549323]  ? print_usage_bug+0xc0/0xc0
[  670.553388]  ? kvm_clock_read+0x18/0x30
[  670.557355]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  670.562382]  ? print_usage_bug+0xc0/0xc0
[  670.566436]  ? __lock_acquire+0x62f/0x4c20
[  670.570671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.576202]  ? should_fail+0x22d/0xd01
[  670.580087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.585367]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  670.590465]  ? __lock_acquire+0x62f/0x4c20
[  670.594695]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  670.599789]  ? __lock_acquire+0x62f/0x4c20
[  670.604013]  ? should_fail+0x22d/0xd01
[  670.607890]  ? rcu_irq_exit+0x1a2/0x390
[  670.611868]  ? mark_held_locks+0x130/0x130
[  670.616104]  ? mark_held_locks+0x130/0x130
[  670.620340]  ? mark_held_locks+0xc7/0x130
[  670.624488]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  670.629589]  ? zap_class+0x640/0x640
[  670.633298]  ? print_usage_bug+0xc0/0xc0
[  670.637365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.642901]  ? check_preemption_disabled+0x48/0x280
[  670.647918]  ? __lock_is_held+0xb5/0x140
[  670.651980]  __alloc_pages_nodemask+0xad8/0xea0
[  670.656643]  ? zap_class+0x640/0x640
[  670.660361]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  670.665390]  ? find_held_lock+0x36/0x1c0
[  670.669455]  ? ____cache_alloc_node+0x1c7/0x1e0
[  670.674121]  ? lock_downgrade+0x900/0x900
[  670.678269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.683809]  cache_grow_begin+0xa5/0x8c0
[  670.687863]  ? do_raw_spin_unlock+0xa7/0x330
[  670.692270]  fallback_alloc+0x204/0x2e0
[  670.696246]  ____cache_alloc_node+0x1c7/0x1e0
[  670.700739]  kmem_cache_alloc_node+0xe3/0x730
[  670.705226]  ? ipv6_get_ifaddr+0x42e/0x620
[  670.709465]  __alloc_skb+0x119/0x770
[  670.713170]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.718441]  ? netdev_alloc_frag+0x1f0/0x1f0
[  670.722840]  ? lock_downgrade+0x900/0x900
[  670.726992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.732527]  ? refcount_sub_and_test_checked+0x203/0x310
[  670.737973]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  670.743417]  ? addrconf_rs_timer+0x690/0x690
[  670.747827]  ndisc_alloc_skb+0x144/0x340
[  670.751884]  ndisc_send_rs+0x331/0x6e0
[  670.755767]  addrconf_rs_timer+0x314/0x690
[  670.760001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.764241]  call_timer_fn+0x272/0x920
[  670.768122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.772355]  ? process_timeout+0x40/0x40
[  670.776418]  ? mark_held_locks+0xc7/0x130
[  670.780561]  ? _raw_spin_unlock_irq+0x27/0x80
[  670.785049]  ? _raw_spin_unlock_irq+0x27/0x80
[  670.789538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.793766]  ? lockdep_hardirqs_on+0x296/0x5b0
[  670.798380]  ? trace_hardirqs_on+0xbd/0x310
[  670.802693]  ? kasan_check_read+0x11/0x20
[  670.806831]  ? __run_timers+0x7da/0xc70
[  670.810817]  ? trace_hardirqs_off_caller+0x310/0x310
[  670.815940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.820172]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.824402]  __run_timers+0x7e5/0xc70
[  670.828202]  ? timer_fixup_init+0x70/0x70
[  670.832352]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  670.837368]  ? zap_class+0x640/0x640
[  670.841098]  ? print_usage_bug+0xc0/0xc0
[  670.845170]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  670.850368]  ? find_held_lock+0x36/0x1c0
[  670.854428]  ? zap_class+0x640/0x640
[  670.858144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.863674]  ? check_preemption_disabled+0x48/0x280
[  670.868692]  ? __lock_is_held+0xb5/0x140
[  670.872747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.878282]  ? check_preemption_disabled+0x48/0x280
[  670.883296]  run_timer_softirq+0x52/0xb0
[  670.887360]  ? rcu_read_lock_sched_held+0x14f/0x180
[  670.892369]  __do_softirq+0x308/0xb7e
[  670.896165]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  670.900653]  ? lock_downgrade+0x900/0x900
[  670.904800]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  670.909902]  ? pvclock_read_flags+0x160/0x160
[  670.914390]  ? lapic_next_event+0x5a/0x90
[  670.918535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.924068]  ? kvm_clock_read+0x18/0x30
[  670.928034]  ? kvm_sched_clock_read+0x9/0x20
[  670.932439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.937969]  ? check_preemption_disabled+0x48/0x280
[  670.942984]  irq_exit+0x17f/0x1c0
[  670.946431]  smp_apic_timer_interrupt+0x1cb/0x760
[  670.951266]  ? smp_call_function_single_interrupt+0x159/0x650
[  670.957143]  ? smp_call_function_single_interrupt+0x650/0x650
[  670.963018]  ? interrupt_entry+0xb5/0xc0
[  670.967077]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.972088]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.977361]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.982201]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.987208]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.992215]  ? task_prio+0x50/0x50
[  670.995753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.001287]  ? check_preemption_disabled+0x48/0x280
[  671.006301]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  671.011149]  apic_timer_interrupt+0xf/0x20
[  671.015372]  </IRQ>
[  671.017606] RIP: 0010:smp_call_function_single+0x30a/0x660
[  671.023224] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  671.042120] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  671.049819] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  671.057306] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  671.064577] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  671.071838] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  671.079101] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  671.086379]  ? smp_call_function_single+0x351/0x660
[  671.091386]  ? smp_call_function_single+0x300/0x660
[  671.096400]  ? rcu_note_context_switch+0x12ad/0x2150
[  671.101494]  ? retint_kernel+0x2d/0x2d
[  671.105375]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  671.111251]  ? generic_exec_single+0x5f0/0x5f0
[  671.115830]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  671.121711]  ? zap_class+0x640/0x640
[  671.125420]  ? smp_call_function_single+0x302/0x660
[  671.130440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.135970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.141507]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  671.146518]  ? find_next_and_bit+0x183/0x1e0
[  671.150927]  smp_call_function_many+0x911/0xae0
[  671.155599]  ? __lock_acquire+0x62f/0x4c20
[  671.159832]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  671.166144]  ? _raw_spin_unlock_irq+0x27/0x80
[  671.170642]  ? _raw_spin_unlock_irq+0x27/0x80
[  671.175143]  ? smp_call_function_single_async+0x370/0x370
[  671.180685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.186220]  ? check_preemption_disabled+0x48/0x280
[  671.191232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.196763]  ? check_preemption_disabled+0x48/0x280
[  671.201774]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  671.207654]  on_each_cpu_mask+0x41/0x240
[  671.211713]  ? x86_configure_nx+0x110/0x110
[  671.216028]  on_each_cpu_cond_mask+0x171/0x210
[  671.220602]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  671.226760]  ? on_each_cpu_mask+0x240/0x240
[  671.231088]  native_flush_tlb_others+0x2ea/0x690
[  671.235842]  ? initialize_tlbstate_and_flush+0x380/0x380
[  671.241391]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  671.246403]  ? find_next_bit+0x104/0x130
[  671.250460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.255986]  ? find_next_bit+0x104/0x130
[  671.260046]  ? cpumask_next+0x41/0x50
[  671.263838]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  671.268848]  ? cpumask_any_but+0xb1/0xe0
[  671.272906]  flush_tlb_mm_range+0x2fe/0x5d0
[  671.277221]  ? fault_around_bytes_set+0x90/0x90
[  671.281890]  ? native_flush_tlb_others+0x690/0x690
[  671.286814]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  671.292358]  ? alloc_pages_current+0x17b/0x350
[  671.296950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.302478]  ? __tlb_remove_page_size+0x187/0x500
[  671.307326]  unmap_page_range+0x1eef/0x2930
[  671.311677]  ? vm_normal_page_pmd+0x510/0x510
[  671.316176]  ? mark_held_locks+0x130/0x130
[  671.320404]  ? finish_task_switch+0x1f4/0x910
[  671.324891]  ? finish_task_switch+0x1b4/0x910
[  671.329393]  ? __switch_to_asm+0x34/0x70
[  671.333459]  ? zap_class+0x640/0x640
[  671.337167]  ? prepare_to_wait_event+0x39f/0xa10
[  671.341923]  ? tlb_table_flush+0xb4/0x5c0
[  671.346061]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  671.351156]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  671.356259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.361797]  ? tlb_flush_mmu_free+0x105/0x170
[  671.366293]  ? tlb_flush_mmu+0x58/0x520
[  671.370267]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  671.374768]  ? kasan_check_write+0x14/0x20
[  671.378995]  ? tlb_finish_mmu+0x166/0x1f0
[  671.383137]  ? tlb_gather_mmu+0x440/0x440
[  671.387291]  ? kasan_check_write+0x14/0x20
[  671.391522]  __oom_reap_task_mm+0xf7/0x410
[  671.395756]  ? process_shares_mm+0x460/0x460
[  671.400176]  oom_reaper+0x2b7/0x11e0
[  671.403889]  ? __oom_reap_task_mm+0x410/0x410
[  671.408377]  ? lock_pin_lock+0x350/0x350
[  671.412435]  ? finish_wait+0x430/0x430
[  671.416323]  ? __schedule+0x168a/0x21d0
[  671.420296]  ? __switch_to_asm+0x40/0x70
[  671.424349]  ? __switch_to_asm+0x40/0x70
[  671.428410]  ? zap_class+0x640/0x640
[  671.432121]  ? __sched_text_start+0x8/0x8
[  671.436273]  ? find_held_lock+0x36/0x1c0
[  671.440342]  ? __kthread_parkme+0xce/0x1a0
[  671.444574]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  671.449669]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  671.454763]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  671.459338]  ? trace_hardirqs_on+0xbd/0x310
[  671.463649]  ? kasan_check_read+0x11/0x20
[  671.467789]  ? __kthread_parkme+0xce/0x1a0
[  671.472023]  ? trace_hardirqs_off_caller+0x310/0x310
[  671.477120]  ? preempt_schedule+0x4d/0x60
[  671.481286]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  671.486388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.491916]  ? __kthread_parkme+0xfb/0x1a0
[  671.496151]  ? __oom_reap_task_mm+0x410/0x410
[  671.500641]  kthread+0x35a/0x440
[  671.504005]  ? kthread_stop+0x900/0x900
[  671.507975]  ret_from_fork+0x3a/0x50
[  671.511701] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  671.511705] warn_alloc_show_mem: 1 callbacks suppressed
[  671.511711] Mem-Info:
[  671.519053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  671.519060] Call Trace:
[  671.524425] active_anon:44214 inactive_anon:199 isolated_anon:0
[  671.524425]  active_file:6 inactive_file:21 isolated_file:0
[  671.524425]  unevictable:0 dirty:0 writeback:0 unstable:0
[  671.524425]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  671.524425]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  671.524425]  free:13686 free_pcp:384 free_cma:0
[  671.526793]  <IRQ>
[  671.536145] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  671.538714]  dump_stack+0x244/0x39d
[  671.571477] 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
[  671.573620]  ? dump_stack_print_info.cold.1+0x20/0x20
[  671.600905] lowmem_reserve[]: 0 2818 6321 6321
[  671.604528]  ? __wake_up+0xe/0x10
[  671.630608] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  671.635789]  warn_alloc.cold.116+0xb7/0x1bd
[  671.640331] lowmem_reserve[]: 0 0 3503 3503
[  671.643777]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  671.671067] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  671.675491]  ? lock_downgrade+0x900/0x900
[  671.679779] lowmem_reserve[]: 0 0 0 0
[  671.684634]  ? trace_hardirqs_off+0xb8/0x310
[  671.713572] 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
[  671.717713]  ? trace_hardirqs_off+0xb8/0x310
[  671.721479] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  671.725882]  __alloc_pages_slowpath+0x2651/0x2de0
[  671.739368] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  671.743797]  ? warn_alloc+0x120/0x120
[  671.758922] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  671.763745]  ? warn_alloc+0x120/0x120
[  671.777327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  671.781108]  ? warn_alloc+0x120/0x120
[  671.789913] 271 total pagecache pages
[  671.793700]  ? print_usage_bug+0xc0/0xc0
[  671.802261] 0 pages in swap cache
[  671.806045]  ? print_usage_bug+0xc0/0xc0
[  671.809819] Swap cache stats: add 0, delete 0, find 0/0
[  671.813862]  ? ktime_get+0x2c1/0x400
[  671.817286] Free swap  = 0kB
[  671.821336]  ? check_preemption_disabled+0x48/0x280
[  671.826666] Total swap = 0kB
[  671.830358]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  671.830374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.833364] 1965979 pages RAM
[  671.838366]  ? should_fail+0x22d/0xd01
[  671.841355] 0 pages HighMem/MovableOnly
[  671.845835]  ? kasan_check_read+0x11/0x20
[  671.851334] 342854 pages reserved
[  671.851340] 0 pages cma reserved
[  671.854435]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  671.858339] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  671.862260]  ? __lock_acquire+0x62f/0x4c20
[  671.866887] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  671.869824]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  671.873163] oom_reaper cpuset=/ mems_allowed=0
[  671.878254]  ? should_fail+0x22d/0xd01
[  671.878270]  ? print_usage_bug+0xc0/0xc0
[  671.916726]  ? mark_held_locks+0x130/0x130
[  671.920959]  ? mark_held_locks+0x130/0x130
[  671.925187]  ? check_preemption_disabled+0x48/0x280
[  671.930206]  ? zap_class+0x640/0x640
[  671.933927]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  671.938682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.944215]  ? check_preemption_disabled+0x48/0x280
[  671.949248]  ? __lock_is_held+0xb5/0x140
[  671.953308]  __alloc_pages_nodemask+0xad8/0xea0
[  671.957970]  ? zap_class+0x640/0x640
[  671.961685]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  671.966709]  ? find_held_lock+0x36/0x1c0
[  671.970789]  ? ____cache_alloc_node+0x1c7/0x1e0
[  671.975452]  ? lock_downgrade+0x900/0x900
[  671.979601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.985135]  cache_grow_begin+0xa5/0x8c0
[  671.989187]  ? do_raw_spin_unlock+0xa7/0x330
[  671.993601]  fallback_alloc+0x204/0x2e0
[  671.997575]  ____cache_alloc_node+0x1c7/0x1e0
[  672.002069]  kmem_cache_alloc_node+0xe3/0x730
[  672.006560]  ? lockdep_hardirqs_on+0x296/0x5b0
[  672.011145]  __alloc_skb+0x119/0x770
[  672.014850]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  672.020209]  ? netdev_alloc_frag+0x1f0/0x1f0
[  672.024624]  ? vprintk_default+0x28/0x30
[  672.028691]  ? vprintk_func+0x85/0x181
[  672.032572]  ? printk+0xa7/0xcf
[  672.035844]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  672.040604]  new_skb+0x26/0x1c0
[  672.043876]  aoecmd_cfg+0x279/0x7f0
[  672.047499]  ? find_held_lock+0x36/0x1c0
[  672.051577]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  672.056123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.061667]  ? __lock_is_held+0xb5/0x140
[  672.065737]  discover_timer+0x50/0x60
[  672.069531]  call_timer_fn+0x272/0x920
[  672.073412]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  672.078259]  ? process_timeout+0x40/0x40
[  672.082323]  ? __run_timers+0x7da/0xc70
[  672.086297]  ? _raw_spin_unlock_irq+0x27/0x80
[  672.090784]  ? _raw_spin_unlock_irq+0x27/0x80
[  672.095271]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  672.100109]  ? lockdep_hardirqs_on+0x296/0x5b0
[  672.104684]  ? trace_hardirqs_on+0xbd/0x310
[  672.109001]  ? kasan_check_read+0x11/0x20
[  672.113141]  ? __run_timers+0x7da/0xc70
[  672.117113]  ? trace_hardirqs_off_caller+0x310/0x310
[  672.122232]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  672.127066]  __run_timers+0x7e5/0xc70
[  672.130869]  ? timer_fixup_init+0x70/0x70
[  672.135015]  ? lock_acquire+0x1ed/0x520
[  672.138991]  ? zap_class+0x640/0x640
[  672.142703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.148246]  ? kasan_check_read+0x11/0x20
[  672.152390]  ? do_raw_spin_lock+0x14f/0x350
[  672.156715]  ? find_held_lock+0x36/0x1c0
[  672.160775]  ? zap_class+0x640/0x640
[  672.164483]  ? pvclock_read_flags+0x160/0x160
[  672.168982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.174513]  ? check_preemption_disabled+0x48/0x280
[  672.179529]  ? __lock_is_held+0xb5/0x140
[  672.183584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.189114]  ? check_preemption_disabled+0x48/0x280
[  672.194129]  run_timer_softirq+0x52/0xb0
[  672.198182]  ? rcu_read_lock_sched_held+0x14f/0x180
[  672.203199]  __do_softirq+0x308/0xb7e
[  672.207005]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  672.211495]  ? lock_downgrade+0x900/0x900
[  672.215638]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  672.220743]  ? pvclock_read_flags+0x160/0x160
[  672.225751]  ? lapic_next_event+0x5a/0x90
[  672.229898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.235432]  ? kvm_clock_read+0x18/0x30
[  672.239401]  ? kvm_sched_clock_read+0x9/0x20
[  672.243817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.249346]  ? check_preemption_disabled+0x48/0x280
[  672.254368]  irq_exit+0x17f/0x1c0
[  672.257831]  smp_apic_timer_interrupt+0x1cb/0x760
[  672.262671]  ? smp_call_function_single_interrupt+0x159/0x650
[  672.268548]  ? smp_call_function_single_interrupt+0x650/0x650
[  672.274423]  ? interrupt_entry+0xb5/0xc0
[  672.278478]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.283489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.288510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.293346]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.298354]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.303362]  ? task_prio+0x50/0x50
[  672.306900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.312431]  ? check_preemption_disabled+0x48/0x280
[  672.317444]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.322287]  apic_timer_interrupt+0xf/0x20
[  672.326512]  </IRQ>
[  672.328745] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  672.333671] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  672.352563] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  672.360349] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  672.367633] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  672.374897] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  672.382155] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  672.389415] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  672.396711]  skb_clone+0x1bb/0x500
[  672.400244]  ? finish_task_switch+0x1b4/0x910
[  672.404736]  ? skb_split+0x11e0/0x11e0
[  672.408623]  ? preempt_notifier_register+0x200/0x200
[  672.413718]  ? __switch_to_asm+0x34/0x70
[  672.417770]  ? __switch_to_asm+0x34/0x70
[  672.421820]  ? __switch_to_asm+0x40/0x70
[  672.425879]  ? __switch_to_asm+0x34/0x70
[  672.429933]  ? __switch_to_asm+0x40/0x70
[  672.433992]  ? __switch_to_asm+0x34/0x70
[  672.438043]  ? __switch_to_asm+0x40/0x70
[  672.442092]  ? __switch_to_asm+0x34/0x70
[  672.446159]  ? __switch_to_asm+0x34/0x70
[  672.450242]  ? __switch_to_asm+0x40/0x70
[  672.454298]  ? __switch_to_asm+0x34/0x70
[  672.458356]  bpf_clone_redirect+0xb9/0x490
[  672.462586]  ? __schedule+0x8d7/0x21d0
[  672.466476]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  672.471485]  ? __sched_text_start+0x8/0x8
[  672.475625]  ? retint_kernel+0x2d/0x2d
[  672.479513]  ? find_held_lock+0x36/0x1c0
[  672.483574]  ? lock_acquire+0x1ed/0x520
[  672.487543]  ? bpf_test_run+0x3ee/0x7a0
[  672.491511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.497045]  ? check_preemption_disabled+0x48/0x280
[  672.502060]  ? kasan_check_read+0x11/0x20
[  672.506207]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  672.511481]  ? rcu_softirq_qs+0x20/0x20
[  672.515452]  ? preempt_schedule+0x4d/0x60
[  672.519595]  ? ___preempt_schedule+0x16/0x18
[  672.524005]  ? bpf_test_run+0x271/0x7a0
[  672.527993]  ? netlink_diag_dump+0x2a0/0x2a0
[  672.532398]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.537932]  ? bpf_test_init.isra.10+0x70/0x100
[  672.542605]  ? bpf_prog_test_run_skb+0x762/0xd60
[  672.547360]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  672.552209]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  672.557740]  ? fput+0x130/0x1a0
[  672.561020]  ? __bpf_prog_get+0x9b/0x290
[  672.565078]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  672.569916]  ? bpf_prog_test_run+0x130/0x1a0
[  672.574326]  ? __x64_sys_bpf+0x3d8/0x520
[  672.578380]  ? bpf_prog_get+0x20/0x20
[  672.582197]  ? do_syscall_64+0x1b9/0x820
[  672.586311]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  672.591667]  ? syscall_return_slowpath+0x5e0/0x5e0
[  672.596590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.601429]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.606438]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  672.611453]  ? prepare_exit_to_usermode+0x291/0x3b0
[  672.616470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.621310]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  672.626684] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  672.626738] aoe: skb alloc failure
[  672.633715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  672.633720] Call Trace:
[  672.633725]  <IRQ>
[  672.633741]  dump_stack+0x244/0x39d
[  672.633759]  ? dump_stack_print_info.cold.1+0x20/0x20
[  672.637316] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  672.646611]  ? __wake_up+0xe/0x10
[  672.649164] syz-executor0 cpuset=syz0 mems_allowed=0
[  672.651313]  warn_alloc.cold.116+0xb7/0x1bd
[  672.683364]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  672.688205]  ? lock_downgrade+0x900/0x900
[  672.692355]  ? trace_hardirqs_off+0xb8/0x310
[  672.696763]  ? trace_hardirqs_off+0xb8/0x310
[  672.701183]  __alloc_pages_slowpath+0x2651/0x2de0
[  672.706041]  ? warn_alloc+0x120/0x120
[  672.709838]  ? warn_alloc+0x120/0x120
[  672.713636]  ? warn_alloc+0x120/0x120
[  672.717433]  ? unwind_dump+0x190/0x190
[  672.721314]  ? print_usage_bug+0xc0/0xc0
[  672.725376]  ? print_usage_bug+0xc0/0xc0
[  672.729440]  ? unwind_dump+0x190/0x190
[  672.733322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.738853]  ? should_fail+0x22d/0xd01
[  672.742738]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  672.747835]  ? __lock_acquire+0x62f/0x4c20
[  672.752067]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  672.757167]  ? __lock_acquire+0x62f/0x4c20
[  672.761393]  ? should_fail+0x22d/0xd01
[  672.765290]  ? mark_held_locks+0x130/0x130
[  672.769523]  ? mark_held_locks+0x130/0x130
[  672.773749]  ? try_to_wake_up+0x11c/0x1490
[  672.777981]  ? lock_downgrade+0x900/0x900
[  672.782126]  ? save_stack_trace+0x1a/0x20
[  672.786274]  ? zap_class+0x640/0x640
[  672.789983]  ? print_usage_bug+0xc0/0xc0
[  672.794040]  ? trace_hardirqs_off+0xb8/0x310
[  672.798444]  ? kasan_check_read+0x11/0x20
[  672.802587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.808117]  ? check_preemption_disabled+0x48/0x280
[  672.813132]  ? __lock_is_held+0xb5/0x140
[  672.817201]  __alloc_pages_nodemask+0xad8/0xea0
[  672.821865]  ? zap_class+0x640/0x640
[  672.825578]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  672.830599]  ? find_held_lock+0x36/0x1c0
[  672.834659]  ? ____cache_alloc_node+0x1c7/0x1e0
[  672.839321]  ? lock_downgrade+0x900/0x900
[  672.843473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.849004]  cache_grow_begin+0xa5/0x8c0
[  672.853061]  ? do_raw_spin_unlock+0xa7/0x330
[  672.857467]  fallback_alloc+0x204/0x2e0
[  672.861441]  ____cache_alloc_node+0x1c7/0x1e0
[  672.865935]  kmem_cache_alloc_node+0xe3/0x730
[  672.870427]  ? ipv6_get_ifaddr+0x42e/0x620
[  672.874664]  __alloc_skb+0x119/0x770
[  672.878370]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  672.883647]  ? netdev_alloc_frag+0x1f0/0x1f0
[  672.888048]  ? lock_downgrade+0x900/0x900
[  672.892196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.897730]  ? refcount_sub_and_test_checked+0x203/0x310
[  672.903180]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  672.908624]  ? addrconf_rs_timer+0x690/0x690
[  672.913054]  ndisc_alloc_skb+0x144/0x340
[  672.917117]  ndisc_send_rs+0x331/0x6e0
[  672.921015]  addrconf_rs_timer+0x314/0x690
[  672.925249]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  672.929486]  call_timer_fn+0x272/0x920
[  672.933366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  672.937598]  ? process_timeout+0x40/0x40
[  672.941665]  ? mark_held_locks+0xc7/0x130
[  672.945811]  ? _raw_spin_unlock_irq+0x27/0x80
[  672.950304]  ? _raw_spin_unlock_irq+0x27/0x80
[  672.954790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  672.959017]  ? lockdep_hardirqs_on+0x296/0x5b0
[  672.963594]  ? trace_hardirqs_on+0xbd/0x310
[  672.967922]  ? kasan_check_read+0x11/0x20
[  672.972064]  ? __run_timers+0x7da/0xc70
[  672.976031]  ? trace_hardirqs_off_caller+0x310/0x310
[  672.981133]  ? __queue_work+0x1440/0x1440
[  672.985288]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  672.989514]  __run_timers+0x7e5/0xc70
[  672.993316]  ? timer_fixup_init+0x70/0x70
[  672.997459]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  673.002472]  ? zap_class+0x640/0x640
[  673.006185]  ? print_usage_bug+0xc0/0xc0
[  673.010244]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  673.015438]  ? find_held_lock+0x36/0x1c0
[  673.019497]  ? zap_class+0x640/0x640
[  673.023209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.028741]  ? check_preemption_disabled+0x48/0x280
[  673.033757]  ? __lock_is_held+0xb5/0x140
[  673.037812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.043342]  ? check_preemption_disabled+0x48/0x280
[  673.048361]  run_timer_softirq+0x52/0xb0
[  673.052420]  ? rcu_read_lock_sched_held+0x14f/0x180
[  673.057661]  __do_softirq+0x308/0xb7e
[  673.061461]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  673.065950]  ? lock_downgrade+0x900/0x900
[  673.070100]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  673.075205]  ? pvclock_read_flags+0x160/0x160
[  673.079696]  ? lapic_next_event+0x5a/0x90
[  673.083842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.089378]  ? kvm_clock_read+0x18/0x30
[  673.093350]  ? kvm_sched_clock_read+0x9/0x20
[  673.097753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.103290]  ? check_preemption_disabled+0x48/0x280
[  673.108310]  irq_exit+0x17f/0x1c0
[  673.111759]  smp_apic_timer_interrupt+0x1cb/0x760
[  673.116596]  ? smp_call_function_single_interrupt+0x159/0x650
[  673.122476]  ? smp_call_function_single_interrupt+0x650/0x650
[  673.128351]  ? interrupt_entry+0xb5/0xc0
[  673.132408]  ? trace_hardirqs_off_caller+0xbb/0x310
[  673.137415]  ? trace_hardirqs_off_caller+0xbb/0x310
[  673.142427]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.147265]  ? trace_hardirqs_on_caller+0x310/0x310
[  673.152277]  ? trace_hardirqs_on_caller+0x310/0x310
[  673.157286]  ? task_prio+0x50/0x50
[  673.160827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.166358]  ? check_preemption_disabled+0x48/0x280
[  673.171389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.176230]  apic_timer_interrupt+0xf/0x20
[  673.180451]  </IRQ>
[  673.182687] RIP: 0010:smp_call_function_single+0x30a/0x660
[  673.188307] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  673.207199] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  673.214897] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  673.222367] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  673.229638] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  673.236900] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  673.244164] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  673.251442]  ? smp_call_function_single+0x351/0x660
[  673.256453]  ? smp_call_function_single+0x300/0x660
[  673.261474]  ? rcu_note_context_switch+0x12ad/0x2150
[  673.266572]  ? retint_kernel+0x2d/0x2d
[  673.270458]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  673.276335]  ? generic_exec_single+0x5f0/0x5f0
[  673.280912]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  673.286789]  ? zap_class+0x640/0x640
[  673.290493]  ? smp_call_function_single+0x302/0x660
[  673.295507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.301038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.306565]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  673.311574]  ? find_next_and_bit+0x183/0x1e0
[  673.315984]  smp_call_function_many+0x911/0xae0
[  673.320647]  ? __lock_acquire+0x62f/0x4c20
[  673.324877]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  673.330753]  ? _raw_spin_unlock_irq+0x27/0x80
[  673.335240]  ? _raw_spin_unlock_irq+0x27/0x80
[  673.339728]  ? smp_call_function_single_async+0x370/0x370
[  673.345262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.350795]  ? check_preemption_disabled+0x48/0x280
[  673.355805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.361337]  ? check_preemption_disabled+0x48/0x280
[  673.366351]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  673.372234]  on_each_cpu_mask+0x41/0x240
[  673.376289]  ? x86_configure_nx+0x110/0x110
[  673.380618]  on_each_cpu_cond_mask+0x171/0x210
[  673.385218]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  673.391098]  ? on_each_cpu_mask+0x240/0x240
[  673.395434]  native_flush_tlb_others+0x2ea/0x690
[  673.400190]  ? initialize_tlbstate_and_flush+0x380/0x380
[  673.405640]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  673.410650]  ? find_next_bit+0x104/0x130
[  673.414708]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.420241]  ? find_next_bit+0x104/0x130
[  673.424301]  ? cpumask_next+0x41/0x50
[  673.428446]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  673.433455]  ? cpumask_any_but+0xb1/0xe0
[  673.437513]  flush_tlb_mm_range+0x2fe/0x5d0
[  673.441826]  ? fault_around_bytes_set+0x90/0x90
[  673.446494]  ? native_flush_tlb_others+0x690/0x690
[  673.451419]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  673.456953]  ? alloc_pages_current+0x17b/0x350
[  673.461533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.467065]  ? __tlb_remove_page_size+0x187/0x500
[  673.471911]  unmap_page_range+0x1eef/0x2930
[  673.476251]  ? vm_normal_page_pmd+0x510/0x510
[  673.480750]  ? mark_held_locks+0x130/0x130
[  673.484979]  ? finish_task_switch+0x1f4/0x910
[  673.489465]  ? finish_task_switch+0x1b4/0x910
[  673.493954]  ? __switch_to_asm+0x34/0x70
[  673.498023]  ? zap_class+0x640/0x640
[  673.501735]  ? prepare_to_wait_event+0x39f/0xa10
[  673.506482]  ? tlb_table_flush+0xb4/0x5c0
[  673.510639]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  673.515745]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  673.520844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.526380]  ? tlb_flush_mmu_free+0x105/0x170
[  673.530872]  ? tlb_flush_mmu+0x58/0x520
[  673.534846]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  673.539337]  ? kasan_check_write+0x14/0x20
[  673.543574]  ? tlb_finish_mmu+0x166/0x1f0
[  673.547727]  ? tlb_gather_mmu+0x440/0x440
[  673.551871]  ? kasan_check_write+0x14/0x20
[  673.556114]  __oom_reap_task_mm+0xf7/0x410
[  673.560344]  ? process_shares_mm+0x460/0x460
[  673.564772]  oom_reaper+0x2b7/0x11e0
[  673.568488]  ? __oom_reap_task_mm+0x410/0x410
[  673.572980]  ? lock_pin_lock+0x350/0x350
[  673.577033]  ? finish_wait+0x430/0x430
[  673.580925]  ? __schedule+0x168a/0x21d0
[  673.584890]  ? __switch_to_asm+0x40/0x70
[  673.588943]  ? __switch_to_asm+0x40/0x70
[  673.593004]  ? zap_class+0x640/0x640
[  673.596715]  ? __sched_text_start+0x8/0x8
[  673.600865]  ? find_held_lock+0x36/0x1c0
[  673.604931]  ? __kthread_parkme+0xce/0x1a0
[  673.609164]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  673.614258]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  673.619359]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  673.623936]  ? trace_hardirqs_on+0xbd/0x310
[  673.628262]  ? kasan_check_read+0x11/0x20
[  673.632406]  ? __kthread_parkme+0xce/0x1a0
[  673.636645]  ? trace_hardirqs_off_caller+0x310/0x310
[  673.641745]  ? preempt_schedule+0x4d/0x60
[  673.645890]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  673.650987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.656521]  ? __kthread_parkme+0xfb/0x1a0
[  673.660751]  ? __oom_reap_task_mm+0x410/0x410
[  673.665245]  kthread+0x35a/0x440
[  673.668604]  ? kthread_stop+0x900/0x900
[  673.672572]  ret_from_fork+0x3a/0x50
[  673.676293] warn_alloc_show_mem: 1 callbacks suppressed
[  673.676303] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  673.676304] Mem-Info:
[  673.676340] active_anon:44214 inactive_anon:199 isolated_anon:0
[  673.676340]  active_file:6 inactive_file:21 isolated_file:0
[  673.676340]  unevictable:0 dirty:0 writeback:0 unstable:0
[  673.676340]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  673.676340]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  673.676340]  free:13686 free_pcp:384 free_cma:0
[  673.681668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  673.689034] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  673.691418] Call Trace:
[  673.724188] 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
[  673.733524]  <IRQ>
[  673.760836] lowmem_reserve[]: 0 2818 6321 6321
[  673.763408]  dump_stack+0x244/0x39d
[  673.789488] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  673.791629]  ? dump_stack_print_info.cold.1+0x20/0x20
[  673.796174] lowmem_reserve[]: 0 0 3503 3503
[  673.799815]  ? __wake_up+0xe/0x10
[  673.827114] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  673.832300]  warn_alloc.cold.116+0xb7/0x1bd
[  673.836579] lowmem_reserve[]: 0 0 0 0
[  673.840026]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  673.868967] 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
[  673.873287]  ? lock_downgrade+0x900/0x900
[  673.877075] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  673.881908]  ? trace_hardirqs_off+0xb8/0x310
[  673.895396] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  673.899534]  ? trace_hardirqs_off+0xb8/0x310
[  673.914681] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  673.919079]  __alloc_pages_slowpath+0x2651/0x2de0
[  673.932662] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  673.937100]  ? warn_alloc+0x120/0x120
[  673.945973] 271 total pagecache pages
[  673.950803]  ? warn_alloc+0x120/0x120
[  673.959353] 0 pages in swap cache
[  673.963139]  ? warn_alloc+0x120/0x120
[  673.966912] Swap cache stats: add 0, delete 0, find 0/0
[  673.970696]  ? mark_held_locks+0x130/0x130
[  673.974118] Free swap  = 0kB
[  673.977900]  ? print_usage_bug+0xc0/0xc0
[  673.983232] Total swap = 0kB
[  673.987454]  ? print_usage_bug+0xc0/0xc0
[  673.990440] 1965979 pages RAM
[  673.994493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.997472] 0 pages HighMem/MovableOnly
[  673.997479] 342854 pages reserved
[  674.001528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  674.004603] 0 pages cma reserved
[  674.010126]  ? should_fail+0x22d/0xd01
[  674.014121] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  674.017511]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.023098] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  674.026370]  ? __lock_acquire+0x62f/0x4c20
[  674.030230] oom_reaper cpuset=/ mems_allowed=0
[  674.036710]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.066091]  ? __lock_acquire+0x62f/0x4c20
[  674.070322]  ? should_fail+0x22d/0xd01
[  674.074217]  ? mark_held_locks+0x130/0x130
[  674.078453]  ? mark_held_locks+0x130/0x130
[  674.082682]  ? trace_hardirqs_on+0x310/0x310
[  674.087087]  ? wq_watchdog_touch+0x9c/0xfe
[  674.091322]  ? zap_class+0x640/0x640
[  674.095027]  ? print_usage_bug+0xc0/0xc0
[  674.099088]  ? find_held_lock+0x36/0x1c0
[  674.103147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.108679]  ? check_preemption_disabled+0x48/0x280
[  674.113709]  ? __lock_is_held+0xb5/0x140
[  674.117771]  __alloc_pages_nodemask+0xad8/0xea0
[  674.122438]  ? zap_class+0x640/0x640
[  674.126155]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  674.131173]  ? find_held_lock+0x36/0x1c0
[  674.135234]  ? ____cache_alloc_node+0x1c7/0x1e0
[  674.139898]  ? lock_downgrade+0x900/0x900
[  674.144064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.149598]  cache_grow_begin+0xa5/0x8c0
[  674.153655]  ? do_raw_spin_unlock+0xa7/0x330
[  674.158413]  fallback_alloc+0x204/0x2e0
[  674.162385]  ____cache_alloc_node+0x1c7/0x1e0
[  674.166882]  kmem_cache_alloc_node+0xe3/0x730
[  674.171375]  ? ipv6_get_ifaddr+0x42e/0x620
[  674.175610]  __alloc_skb+0x119/0x770
[  674.179319]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  674.184610]  ? netdev_alloc_frag+0x1f0/0x1f0
[  674.189011]  ? lock_downgrade+0x900/0x900
[  674.193165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.198698]  ? refcount_sub_and_test_checked+0x203/0x310
[  674.204145]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  674.209591]  ? addrconf_rs_timer+0x690/0x690
[  674.214004]  ndisc_alloc_skb+0x144/0x340
[  674.218066]  ndisc_send_rs+0x331/0x6e0
[  674.221952]  addrconf_rs_timer+0x314/0x690
[  674.226188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  674.230435]  call_timer_fn+0x272/0x920
[  674.234315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  674.238544]  ? process_timeout+0x40/0x40
[  674.242602]  ? __run_timers+0x7da/0xc70
[  674.246577]  ? _raw_spin_unlock_irq+0x27/0x80
[  674.251061]  ? _raw_spin_unlock_irq+0x27/0x80
[  674.255551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  674.259779]  ? lockdep_hardirqs_on+0x296/0x5b0
[  674.264364]  ? trace_hardirqs_on+0xbd/0x310
[  674.268679]  ? kasan_check_read+0x11/0x20
[  674.272821]  ? __run_timers+0x7da/0xc70
[  674.276793]  ? trace_hardirqs_off_caller+0x310/0x310
[  674.281899]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  674.286738]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  674.290963]  __run_timers+0x7e5/0xc70
[  674.294768]  ? timer_fixup_init+0x70/0x70
[  674.298915]  ? lock_acquire+0x1ed/0x520
[  674.302883]  ? zap_class+0x640/0x640
[  674.306590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.312125]  ? kasan_check_read+0x11/0x20
[  674.316263]  ? do_raw_spin_lock+0x14f/0x350
[  674.320587]  ? find_held_lock+0x36/0x1c0
[  674.324646]  ? zap_class+0x640/0x640
[  674.328357]  ? pvclock_read_flags+0x160/0x160
[  674.332849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.338380]  ? check_preemption_disabled+0x48/0x280
[  674.343401]  ? __lock_is_held+0xb5/0x140
[  674.347456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.352987]  ? check_preemption_disabled+0x48/0x280
[  674.358010]  run_timer_softirq+0x52/0xb0
[  674.362075]  ? rcu_read_lock_sched_held+0x14f/0x180
[  674.367089]  __do_softirq+0x308/0xb7e
[  674.370886]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  674.375372]  ? lock_downgrade+0x900/0x900
[  674.379520]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  674.384627]  ? pvclock_read_flags+0x160/0x160
[  674.389121]  ? lapic_next_event+0x5a/0x90
[  674.393268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.398810]  ? kvm_clock_read+0x18/0x30
[  674.402783]  ? kvm_sched_clock_read+0x9/0x20
[  674.407187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.412721]  ? check_preemption_disabled+0x48/0x280
[  674.417742]  irq_exit+0x17f/0x1c0
[  674.421193]  smp_apic_timer_interrupt+0x1cb/0x760
[  674.426037]  ? smp_call_function_single_interrupt+0x159/0x650
[  674.431917]  ? smp_call_function_single_interrupt+0x650/0x650
[  674.437796]  ? interrupt_entry+0xb5/0xc0
[  674.441854]  ? trace_hardirqs_off_caller+0xbb/0x310
[  674.446862]  ? trace_hardirqs_off_caller+0xbb/0x310
[  674.451874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.456714]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.461725]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.466734]  ? task_prio+0x50/0x50
[  674.470272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.475802]  ? check_preemption_disabled+0x48/0x280
[  674.480818]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.485661]  apic_timer_interrupt+0xf/0x20
[  674.489884]  </IRQ>
[  674.492115] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  674.497038] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  674.515929] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  674.523630] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  674.530892] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  674.538154] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  674.545414] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  674.552675] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  674.559967]  skb_clone+0x1bb/0x500
[  674.563511]  ? finish_task_switch+0x1b4/0x910
[  674.568010]  ? skb_split+0x11e0/0x11e0
[  674.571898]  ? preempt_notifier_register+0x200/0x200
[  674.577001]  ? __switch_to_asm+0x34/0x70
[  674.581058]  ? __switch_to_asm+0x34/0x70
[  674.585111]  ? __switch_to_asm+0x40/0x70
[  674.589161]  ? __switch_to_asm+0x34/0x70
[  674.593210]  ? __switch_to_asm+0x40/0x70
[  674.597265]  ? __switch_to_asm+0x34/0x70
[  674.601316]  ? __switch_to_asm+0x40/0x70
[  674.605370]  ? __switch_to_asm+0x34/0x70
[  674.609426]  ? __switch_to_asm+0x34/0x70
[  674.613478]  ? __switch_to_asm+0x40/0x70
[  674.617530]  ? __switch_to_asm+0x34/0x70
[  674.621587]  bpf_clone_redirect+0xb9/0x490
[  674.625815]  ? __schedule+0x8d7/0x21d0
[  674.629698]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  674.634709]  ? __sched_text_start+0x8/0x8
[  674.638851]  ? retint_kernel+0x2d/0x2d
[  674.642742]  ? find_held_lock+0x36/0x1c0
[  674.646811]  ? lock_acquire+0x1ed/0x520
[  674.650777]  ? bpf_test_run+0x3ee/0x7a0
[  674.654750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.660285]  ? check_preemption_disabled+0x48/0x280
[  674.665302]  ? kasan_check_read+0x11/0x20
[  674.669446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  674.674714]  ? rcu_softirq_qs+0x20/0x20
[  674.678684]  ? preempt_schedule+0x4d/0x60
[  674.682825]  ? ___preempt_schedule+0x16/0x18
[  674.687235]  ? bpf_test_run+0x271/0x7a0
[  674.691213]  ? netlink_diag_dump+0x2a0/0x2a0
[  674.695621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  674.701156]  ? bpf_test_init.isra.10+0x70/0x100
[  674.705823]  ? bpf_prog_test_run_skb+0x762/0xd60
[  674.710580]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  674.715424]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  674.720952]  ? fput+0x130/0x1a0
[  674.724234]  ? __bpf_prog_get+0x9b/0x290
[  674.728290]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  674.733128]  ? bpf_prog_test_run+0x130/0x1a0
[  674.737533]  ? __x64_sys_bpf+0x3d8/0x520
[  674.741590]  ? bpf_prog_get+0x20/0x20
[  674.745403]  ? do_syscall_64+0x1b9/0x820
[  674.749479]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  674.754837]  ? syscall_return_slowpath+0x5e0/0x5e0
[  674.759761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.764598]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.769613]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  674.774623]  ? prepare_exit_to_usermode+0x291/0x3b0
[  674.779641]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.784485]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  674.789861] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  674.789917] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  674.796869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  674.796873] Call Trace:
[  674.796878]  <IRQ>
[  674.796894]  dump_stack+0x244/0x39d
[  674.796913]  ? dump_stack_print_info.cold.1+0x20/0x20
[  674.803451] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  674.812719]  ? __wake_up+0xe/0x10
[  674.815276] syz-executor0 cpuset=syz0 mems_allowed=0
[  674.817417]  warn_alloc.cold.116+0xb7/0x1bd
[  674.849468]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  674.854305]  ? lock_downgrade+0x900/0x900
[  674.858453]  ? trace_hardirqs_off+0xb8/0x310
[  674.862861]  ? trace_hardirqs_off+0xb8/0x310
[  674.867270]  __alloc_pages_slowpath+0x2651/0x2de0
[  674.872130]  ? warn_alloc+0x120/0x120
[  674.875924]  ? print_usage_bug+0xc0/0xc0
[  674.879984]  ? warn_alloc+0x120/0x120
[  674.883780]  ? warn_alloc+0x120/0x120
[  674.887576]  ? print_usage_bug+0xc0/0xc0
[  674.891632]  ? kvm_clock_read+0x18/0x30
[  674.895600]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  674.900622]  ? print_usage_bug+0xc0/0xc0
[  674.904678]  ? __lock_acquire+0x62f/0x4c20
[  674.908910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  674.914439]  ? should_fail+0x22d/0xd01
[  674.918318]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  674.923678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.928790]  ? __lock_acquire+0x62f/0x4c20
[  674.933025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.938118]  ? __lock_acquire+0x62f/0x4c20
[  674.942344]  ? should_fail+0x22d/0xd01
[  674.946225]  ? rcu_irq_exit+0x1a2/0x390
[  674.950203]  ? mark_held_locks+0x130/0x130
[  674.954439]  ? mark_held_locks+0x130/0x130
[  674.958670]  ? mark_held_locks+0xc7/0x130
[  674.962809]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  674.967821]  ? zap_class+0x640/0x640
[  674.971532]  ? print_usage_bug+0xc0/0xc0
[  674.975591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.981126]  ? check_preemption_disabled+0x48/0x280
[  674.986143]  ? __lock_is_held+0xb5/0x140
[  674.990207]  __alloc_pages_nodemask+0xad8/0xea0
[  674.994875]  ? zap_class+0x640/0x640
[  674.998594]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  675.003616]  ? find_held_lock+0x36/0x1c0
[  675.007680]  ? ____cache_alloc_node+0x1c7/0x1e0
[  675.012346]  ? lock_downgrade+0x900/0x900
[  675.016494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.022029]  cache_grow_begin+0xa5/0x8c0
[  675.026087]  ? do_raw_spin_unlock+0xa7/0x330
[  675.030494]  fallback_alloc+0x204/0x2e0
[  675.034467]  ____cache_alloc_node+0x1c7/0x1e0
[  675.038966]  kmem_cache_alloc_node+0xe3/0x730
[  675.043455]  ? ipv6_get_ifaddr+0x42e/0x620
[  675.047694]  __alloc_skb+0x119/0x770
[  675.051397]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.056871]  ? netdev_alloc_frag+0x1f0/0x1f0
[  675.061273]  ? lock_downgrade+0x900/0x900
[  675.065425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.070961]  ? refcount_sub_and_test_checked+0x203/0x310
[  675.076407]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  675.081849]  ? addrconf_rs_timer+0x690/0x690
[  675.086261]  ndisc_alloc_skb+0x144/0x340
[  675.090319]  ndisc_send_rs+0x331/0x6e0
[  675.094203]  addrconf_rs_timer+0x314/0x690
[  675.098443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.102679]  call_timer_fn+0x272/0x920
[  675.106559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.110789]  ? process_timeout+0x40/0x40
[  675.114852]  ? mark_held_locks+0xc7/0x130
[  675.119000]  ? _raw_spin_unlock_irq+0x27/0x80
[  675.123489]  ? _raw_spin_unlock_irq+0x27/0x80
[  675.127975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.132208]  ? lockdep_hardirqs_on+0x296/0x5b0
[  675.136791]  ? trace_hardirqs_on+0xbd/0x310
[  675.141104]  ? kasan_check_read+0x11/0x20
[  675.145247]  ? __run_timers+0x7da/0xc70
[  675.149222]  ? trace_hardirqs_off_caller+0x310/0x310
[  675.154323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.158554]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.162778]  __run_timers+0x7e5/0xc70
[  675.166580]  ? timer_fixup_init+0x70/0x70
[  675.170726]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  675.175739]  ? zap_class+0x640/0x640
[  675.179449]  ? print_usage_bug+0xc0/0xc0
[  675.183508]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  675.188700]  ? find_held_lock+0x36/0x1c0
[  675.192772]  ? zap_class+0x640/0x640
[  675.196482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.202015]  ? check_preemption_disabled+0x48/0x280
[  675.207032]  ? __lock_is_held+0xb5/0x140
[  675.211086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.216616]  ? check_preemption_disabled+0x48/0x280
[  675.221905]  run_timer_softirq+0x52/0xb0
[  675.225969]  ? rcu_read_lock_sched_held+0x14f/0x180
[  675.230979]  __do_softirq+0x308/0xb7e
[  675.234776]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  675.239268]  ? lock_downgrade+0x900/0x900
[  675.243413]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  675.248520]  ? pvclock_read_flags+0x160/0x160
[  675.253007]  ? lapic_next_event+0x5a/0x90
[  675.257149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.262692]  ? kvm_clock_read+0x18/0x30
[  675.266664]  ? kvm_sched_clock_read+0x9/0x20
[  675.271068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.276600]  ? check_preemption_disabled+0x48/0x280
[  675.281617]  irq_exit+0x17f/0x1c0
[  675.285069]  smp_apic_timer_interrupt+0x1cb/0x760
[  675.289904]  ? smp_call_function_single_interrupt+0x159/0x650
[  675.295789]  ? smp_call_function_single_interrupt+0x650/0x650
[  675.301664]  ? interrupt_entry+0xb5/0xc0
[  675.305722]  ? trace_hardirqs_off_caller+0xbb/0x310
[  675.310734]  ? trace_hardirqs_off_caller+0xbb/0x310
[  675.315747]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  675.320584]  ? trace_hardirqs_on_caller+0x310/0x310
[  675.325590]  ? trace_hardirqs_on_caller+0x310/0x310
[  675.330597]  ? task_prio+0x50/0x50
[  675.334135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.339670]  ? check_preemption_disabled+0x48/0x280
[  675.344691]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  675.349533]  apic_timer_interrupt+0xf/0x20
[  675.353757]  </IRQ>
[  675.355990] RIP: 0010:smp_call_function_single+0x30a/0x660
[  675.361610] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  675.380500] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  675.388206] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  675.395468] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  675.402730] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  675.409991] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  675.417253] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  675.424526]  ? smp_call_function_single+0x351/0x660
[  675.429624]  ? smp_call_function_single+0x300/0x660
[  675.434639]  ? rcu_note_context_switch+0x12ad/0x2150
[  675.439736]  ? retint_kernel+0x2d/0x2d
[  675.443616]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  675.449493]  ? generic_exec_single+0x5f0/0x5f0
[  675.454070]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  675.459952]  ? zap_class+0x640/0x640
[  675.463656]  ? smp_call_function_single+0x302/0x660
[  675.468663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.474205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.479734]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  675.484743]  ? find_next_and_bit+0x183/0x1e0
[  675.489155]  smp_call_function_many+0x911/0xae0
[  675.493821]  ? __lock_acquire+0x62f/0x4c20
[  675.498049]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  675.503934]  ? _raw_spin_unlock_irq+0x27/0x80
[  675.508419]  ? _raw_spin_unlock_irq+0x27/0x80
[  675.512907]  ? smp_call_function_single_async+0x370/0x370
[  675.518449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.523983]  ? check_preemption_disabled+0x48/0x280
[  675.528994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.534529]  ? check_preemption_disabled+0x48/0x280
[  675.539544]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  675.545424]  on_each_cpu_mask+0x41/0x240
[  675.549479]  ? x86_configure_nx+0x110/0x110
[  675.553795]  on_each_cpu_cond_mask+0x171/0x210
[  675.558369]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  675.564250]  ? on_each_cpu_mask+0x240/0x240
[  675.568583]  native_flush_tlb_others+0x2ea/0x690
[  675.573333]  ? initialize_tlbstate_and_flush+0x380/0x380
[  675.578783]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  675.583791]  ? find_next_bit+0x104/0x130
[  675.587847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.593379]  ? find_next_bit+0x104/0x130
[  675.597436]  ? cpumask_next+0x41/0x50
[  675.601234]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  675.606243]  ? cpumask_any_but+0xb1/0xe0
[  675.610305]  flush_tlb_mm_range+0x2fe/0x5d0
[  675.614618]  ? fault_around_bytes_set+0x90/0x90
[  675.619290]  ? native_flush_tlb_others+0x690/0x690
[  675.624216]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  675.629751]  ? alloc_pages_current+0x17b/0x350
[  675.634335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.639866]  ? __tlb_remove_page_size+0x187/0x500
[  675.644708]  unmap_page_range+0x1eef/0x2930
[  675.649043]  ? vm_normal_page_pmd+0x510/0x510
[  675.653537]  ? mark_held_locks+0x130/0x130
[  675.657764]  ? finish_task_switch+0x1f4/0x910
[  675.662251]  ? finish_task_switch+0x1b4/0x910
[  675.666740]  ? __switch_to_asm+0x34/0x70
[  675.670812]  ? zap_class+0x640/0x640
[  675.674520]  ? prepare_to_wait_event+0x39f/0xa10
[  675.679267]  ? tlb_table_flush+0xb4/0x5c0
[  675.683406]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  675.688503]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  675.693608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.699139]  ? tlb_flush_mmu_free+0x105/0x170
[  675.703637]  ? tlb_flush_mmu+0x58/0x520
[  675.707620]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  675.712111]  ? kasan_check_write+0x14/0x20
[  675.716337]  ? tlb_finish_mmu+0x166/0x1f0
[  675.720483]  ? tlb_gather_mmu+0x440/0x440
[  675.724627]  ? kasan_check_write+0x14/0x20
[  675.728862]  __oom_reap_task_mm+0xf7/0x410
[  675.733100]  ? process_shares_mm+0x460/0x460
[  675.737522]  oom_reaper+0x2b7/0x11e0
[  675.741235]  ? __oom_reap_task_mm+0x410/0x410
[  675.745731]  ? lock_pin_lock+0x350/0x350
[  675.749786]  ? finish_wait+0x430/0x430
[  675.753673]  ? __schedule+0x168a/0x21d0
[  675.757636]  ? __switch_to_asm+0x40/0x70
[  675.761689]  ? __switch_to_asm+0x40/0x70
[  675.765747]  ? zap_class+0x640/0x640
[  675.769461]  ? __sched_text_start+0x8/0x8
[  675.773609]  ? find_held_lock+0x36/0x1c0
[  675.777671]  ? __kthread_parkme+0xce/0x1a0
[  675.781907]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  675.787002]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  675.792102]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  675.796680]  ? trace_hardirqs_on+0xbd/0x310
[  675.800997]  ? kasan_check_read+0x11/0x20
[  675.805137]  ? __kthread_parkme+0xce/0x1a0
[  675.809370]  ? trace_hardirqs_off_caller+0x310/0x310
[  675.814473]  ? preempt_schedule+0x4d/0x60
[  675.818621]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  675.823721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.829251]  ? __kthread_parkme+0xfb/0x1a0
[  675.833479]  ? __oom_reap_task_mm+0x410/0x410
[  675.837968]  kthread+0x35a/0x440
[  675.841330]  ? kthread_stop+0x900/0x900
[  675.845304]  ret_from_fork+0x3a/0x50
[  675.849023] warn_alloc_show_mem: 1 callbacks suppressed
[  675.849033] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  675.849034] Mem-Info:
[  675.849064] active_anon:44214 inactive_anon:199 isolated_anon:0
[  675.849064]  active_file:6 inactive_file:21 isolated_file:0
[  675.849064]  unevictable:0 dirty:0 writeback:0 unstable:0
[  675.849064]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  675.849064]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  675.849064]  free:13686 free_pcp:384 free_cma:0
[  675.854391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  675.854397] Call Trace:
[  675.861757] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  675.864152]  <IRQ>
[  675.896916] 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
[  675.906258]  dump_stack+0x244/0x39d
[  675.908810] lowmem_reserve[]: 0 2818 6321 6321
[  675.936127]  ? dump_stack_print_info.cold.1+0x20/0x20
[  675.938253] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  675.964348]  ? __wake_up+0xe/0x10
[  675.967938] lowmem_reserve[]: 0 0 3503 3503
[  675.972519]  warn_alloc.cold.116+0xb7/0x1bd
[  675.977672] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  676.004982]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  676.008405] lowmem_reserve[]: 0 0 0 0
[  676.012714]  ? lock_downgrade+0x900/0x900
[  676.017007] 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
[  676.045970]  ? trace_hardirqs_off+0xb8/0x310
[  676.050779] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  676.054788]  ? trace_hardirqs_off+0xb8/0x310
[  676.058907] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  676.072422]  __alloc_pages_slowpath+0x2651/0x2de0
[  676.076806] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  676.091978]  ? warn_alloc+0x120/0x120
[  676.096341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  676.109936]  ? print_usage_bug+0xc0/0xc0
[  676.114746] 271 total pagecache pages
[  676.123569]  ? warn_alloc+0x120/0x120
[  676.127349] 0 pages in swap cache
[  676.135907]  ? warn_alloc+0x120/0x120
[  676.139950] Swap cache stats: add 0, delete 0, find 0/0
[  676.143908]  ? print_usage_bug+0xc0/0xc0
[  676.147679] Free swap  = 0kB
[  676.151120]  ? kvm_clock_read+0x18/0x30
[  676.154894] Total swap = 0kB
[  676.160242]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  676.164274] 1965979 pages RAM
[  676.167279]  ? print_usage_bug+0xc0/0xc0
[  676.171222] 0 pages HighMem/MovableOnly
[  676.171229] 342854 pages reserved
[  676.174232]  ? __lock_acquire+0x62f/0x4c20
[  676.179217] 0 pages cma reserved
[  676.182309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.186385] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  676.190301]  ? should_fail+0x22d/0xd01
[  676.193798] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  676.197947]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  676.201283] oom_reaper cpuset=/ mems_allowed=0
[  676.206807]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  676.242734]  ? __lock_acquire+0x62f/0x4c20
[  676.246966]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  676.252061]  ? __lock_acquire+0x62f/0x4c20
[  676.256301]  ? should_fail+0x22d/0xd01
[  676.260183]  ? rcu_irq_exit+0x1a2/0x390
[  676.264160]  ? mark_held_locks+0x130/0x130
[  676.268393]  ? mark_held_locks+0x130/0x130
[  676.272629]  ? mark_held_locks+0xc7/0x130
[  676.276774]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  676.281785]  ? zap_class+0x640/0x640
[  676.285491]  ? print_usage_bug+0xc0/0xc0
[  676.289569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.295109]  ? check_preemption_disabled+0x48/0x280
[  676.300131]  ? __lock_is_held+0xb5/0x140
[  676.304193]  __alloc_pages_nodemask+0xad8/0xea0
[  676.308860]  ? zap_class+0x640/0x640
[  676.312572]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  676.317630]  ? find_held_lock+0x36/0x1c0
[  676.321696]  ? ____cache_alloc_node+0x1c7/0x1e0
[  676.326363]  ? lock_downgrade+0x900/0x900
[  676.330512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.336045]  cache_grow_begin+0xa5/0x8c0
[  676.340098]  ? do_raw_spin_unlock+0xa7/0x330
[  676.344512]  fallback_alloc+0x204/0x2e0
[  676.348486]  ____cache_alloc_node+0x1c7/0x1e0
[  676.352978]  kmem_cache_alloc_node+0xe3/0x730
[  676.357466]  ? ipv6_get_ifaddr+0x42e/0x620
[  676.361702]  __alloc_skb+0x119/0x770
[  676.365410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  676.370687]  ? netdev_alloc_frag+0x1f0/0x1f0
[  676.375177]  ? lock_downgrade+0x900/0x900
[  676.379327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.384862]  ? refcount_sub_and_test_checked+0x203/0x310
[  676.390312]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  676.395759]  ? addrconf_rs_timer+0x690/0x690
[  676.400171]  ndisc_alloc_skb+0x144/0x340
[  676.404233]  ndisc_send_rs+0x331/0x6e0
[  676.408137]  addrconf_rs_timer+0x314/0x690
[  676.412367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.416612]  call_timer_fn+0x272/0x920
[  676.420497]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.424725]  ? process_timeout+0x40/0x40
[  676.428784]  ? __run_timers+0x7da/0xc70
[  676.432757]  ? _raw_spin_unlock_irq+0x27/0x80
[  676.437247]  ? _raw_spin_unlock_irq+0x27/0x80
[  676.441745]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.445973]  ? lockdep_hardirqs_on+0x296/0x5b0
[  676.450554]  ? trace_hardirqs_on+0xbd/0x310
[  676.454871]  ? kasan_check_read+0x11/0x20
[  676.459015]  ? __run_timers+0x7da/0xc70
[  676.462988]  ? trace_hardirqs_off_caller+0x310/0x310
[  676.468092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.472324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.476553]  __run_timers+0x7e5/0xc70
[  676.480356]  ? timer_fixup_init+0x70/0x70
[  676.484504]  ? lock_acquire+0x1ed/0x520
[  676.488473]  ? zap_class+0x640/0x640
[  676.492182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.497716]  ? kasan_check_read+0x11/0x20
[  676.501855]  ? do_raw_spin_lock+0x14f/0x350
[  676.506178]  ? find_held_lock+0x36/0x1c0
[  676.510238]  ? zap_class+0x640/0x640
[  676.513952]  ? pvclock_read_flags+0x160/0x160
[  676.518442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.523971]  ? check_preemption_disabled+0x48/0x280
[  676.528988]  ? __lock_is_held+0xb5/0x140
[  676.533043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.538581]  ? check_preemption_disabled+0x48/0x280
[  676.543598]  run_timer_softirq+0x52/0xb0
[  676.547654]  ? rcu_read_lock_sched_held+0x14f/0x180
[  676.552661]  __do_softirq+0x308/0xb7e
[  676.556459]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  676.560946]  ? lock_downgrade+0x900/0x900
[  676.565089]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  676.570191]  ? pvclock_read_flags+0x160/0x160
[  676.574681]  ? lapic_next_event+0x5a/0x90
[  676.578830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.584365]  ? kvm_clock_read+0x18/0x30
[  676.588332]  ? kvm_sched_clock_read+0x9/0x20
[  676.592734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.598268]  ? check_preemption_disabled+0x48/0x280
[  676.603283]  irq_exit+0x17f/0x1c0
[  676.606733]  smp_apic_timer_interrupt+0x1cb/0x760
[  676.611576]  ? smp_call_function_single_interrupt+0x159/0x650
[  676.617467]  ? smp_call_function_single_interrupt+0x650/0x650
[  676.623344]  ? interrupt_entry+0xb5/0xc0
[  676.627399]  ? trace_hardirqs_off_caller+0xbb/0x310
[  676.632410]  ? trace_hardirqs_off_caller+0xbb/0x310
[  676.637423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.642258]  ? trace_hardirqs_on_caller+0x310/0x310
[  676.647266]  ? trace_hardirqs_on_caller+0x310/0x310
[  676.652273]  ? task_prio+0x50/0x50
[  676.655816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.661347]  ? check_preemption_disabled+0x48/0x280
[  676.666360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.671202]  apic_timer_interrupt+0xf/0x20
[  676.675428]  </IRQ>
[  676.677660] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  676.682586] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  676.701478] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  676.709197] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  676.716458] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  676.723716] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  676.730976] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  676.738239] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  676.745532]  skb_clone+0x1bb/0x500
[  676.749070]  ? finish_task_switch+0x1b4/0x910
[  676.753566]  ? skb_split+0x11e0/0x11e0
[  676.757448]  ? preempt_notifier_register+0x200/0x200
[  676.762543]  ? __switch_to_asm+0x34/0x70
[  676.766600]  ? __switch_to_asm+0x34/0x70
[  676.770663]  ? __switch_to_asm+0x40/0x70
[  676.774714]  ? __switch_to_asm+0x34/0x70
[  676.778764]  ? __switch_to_asm+0x40/0x70
[  676.782825]  ? __switch_to_asm+0x34/0x70
[  676.786880]  ? __switch_to_asm+0x40/0x70
[  676.790933]  ? __switch_to_asm+0x34/0x70
[  676.794990]  ? __switch_to_asm+0x34/0x70
[  676.799046]  ? __switch_to_asm+0x40/0x70
[  676.803101]  ? __switch_to_asm+0x34/0x70
[  676.807169]  bpf_clone_redirect+0xb9/0x490
[  676.811397]  ? __schedule+0x8d7/0x21d0
[  676.815285]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  676.820296]  ? __sched_text_start+0x8/0x8
[  676.824434]  ? retint_kernel+0x2d/0x2d
[  676.828330]  ? find_held_lock+0x36/0x1c0
[  676.832389]  ? lock_acquire+0x1ed/0x520
[  676.836356]  ? bpf_test_run+0x3ee/0x7a0
[  676.840327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.845857]  ? check_preemption_disabled+0x48/0x280
[  676.850870]  ? kasan_check_read+0x11/0x20
[  676.855010]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  676.860278]  ? rcu_softirq_qs+0x20/0x20
[  676.864247]  ? preempt_schedule+0x4d/0x60
[  676.868388]  ? ___preempt_schedule+0x16/0x18
[  676.872803]  ? bpf_test_run+0x271/0x7a0
[  676.876793]  ? netlink_diag_dump+0x2a0/0x2a0
[  676.881197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.886729]  ? bpf_test_init.isra.10+0x70/0x100
[  676.891400]  ? bpf_prog_test_run_skb+0x762/0xd60
[  676.896160]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  676.901002]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  676.906530]  ? fput+0x130/0x1a0
[  676.909817]  ? __bpf_prog_get+0x9b/0x290
[  676.913874]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  676.918715]  ? bpf_prog_test_run+0x130/0x1a0
[  676.923126]  ? __x64_sys_bpf+0x3d8/0x520
[  676.927181]  ? bpf_prog_get+0x20/0x20
[  676.930991]  ? do_syscall_64+0x1b9/0x820
[  676.935042]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  676.940402]  ? syscall_return_slowpath+0x5e0/0x5e0
[  676.945323]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.950161]  ? trace_hardirqs_on_caller+0x310/0x310
[  676.955174]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  676.960188]  ? prepare_exit_to_usermode+0x291/0x3b0
[  676.965201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.970041]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  676.975413] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  676.975468] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  676.982414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  676.982421] Call Trace:
[  676.989083] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  676.998225]  <IRQ>
[  677.000797] syz-executor0 cpuset=syz0 mems_allowed=0
[  677.011265]  dump_stack+0x244/0x39d
[  677.022178]  ? dump_stack_print_info.cold.1+0x20/0x20
[  677.027378]  ? __wake_up+0xe/0x10
[  677.030832]  warn_alloc.cold.116+0xb7/0x1bd
[  677.035149]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  677.039987]  ? lock_downgrade+0x900/0x900
[  677.044137]  ? trace_hardirqs_off+0xb8/0x310
[  677.048550]  ? trace_hardirqs_off+0xb8/0x310
[  677.052964]  __alloc_pages_slowpath+0x2651/0x2de0
[  677.058008]  ? warn_alloc+0x120/0x120
[  677.061807]  ? print_usage_bug+0xc0/0xc0
[  677.065873]  ? warn_alloc+0x120/0x120
[  677.069668]  ? warn_alloc+0x120/0x120
[  677.073460]  ? print_usage_bug+0xc0/0xc0
[  677.077514]  ? kvm_clock_read+0x18/0x30
[  677.081488]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  677.086497]  ? print_usage_bug+0xc0/0xc0
[  677.090555]  ? __lock_acquire+0x62f/0x4c20
[  677.094792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.100320]  ? should_fail+0x22d/0xd01
[  677.104198]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  677.109469]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  677.114568]  ? __lock_acquire+0x62f/0x4c20
[  677.118799]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  677.123897]  ? __lock_acquire+0x62f/0x4c20
[  677.128123]  ? should_fail+0x22d/0xd01
[  677.132001]  ? rcu_irq_exit+0x1a2/0x390
[  677.135978]  ? mark_held_locks+0x130/0x130
[  677.140214]  ? mark_held_locks+0x130/0x130
[  677.144447]  ? mark_held_locks+0xc7/0x130
[  677.148593]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  677.153601]  ? zap_class+0x640/0x640
[  677.157313]  ? print_usage_bug+0xc0/0xc0
[  677.161369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.166901]  ? check_preemption_disabled+0x48/0x280
[  677.171917]  ? __lock_is_held+0xb5/0x140
[  677.175976]  __alloc_pages_nodemask+0xad8/0xea0
[  677.180646]  ? zap_class+0x640/0x640
[  677.184355]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  677.189377]  ? find_held_lock+0x36/0x1c0
[  677.193442]  ? ____cache_alloc_node+0x1c7/0x1e0
[  677.198109]  ? lock_downgrade+0x900/0x900
[  677.202260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.207793]  cache_grow_begin+0xa5/0x8c0
[  677.211849]  ? do_raw_spin_unlock+0xa7/0x330
[  677.216261]  fallback_alloc+0x204/0x2e0
[  677.220233]  ____cache_alloc_node+0x1c7/0x1e0
[  677.224972]  kmem_cache_alloc_node+0xe3/0x730
[  677.229463]  ? ipv6_get_ifaddr+0x42e/0x620
[  677.233699]  __alloc_skb+0x119/0x770
[  677.237404]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  677.242681]  ? netdev_alloc_frag+0x1f0/0x1f0
[  677.247084]  ? lock_downgrade+0x900/0x900
[  677.251231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.256771]  ? refcount_sub_and_test_checked+0x203/0x310
[  677.262223]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  677.267666]  ? addrconf_rs_timer+0x690/0x690
[  677.272077]  ndisc_alloc_skb+0x144/0x340
[  677.276137]  ndisc_send_rs+0x331/0x6e0
[  677.280027]  addrconf_rs_timer+0x314/0x690
[  677.284259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.288500]  call_timer_fn+0x272/0x920
[  677.292384]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.296878]  ? process_timeout+0x40/0x40
[  677.300942]  ? mark_held_locks+0xc7/0x130
[  677.305085]  ? _raw_spin_unlock_irq+0x27/0x80
[  677.309572]  ? _raw_spin_unlock_irq+0x27/0x80
[  677.314079]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.318305]  ? lockdep_hardirqs_on+0x296/0x5b0
[  677.322882]  ? trace_hardirqs_on+0xbd/0x310
[  677.327198]  ? kasan_check_read+0x11/0x20
[  677.331340]  ? __run_timers+0x7da/0xc70
[  677.335307]  ? trace_hardirqs_off_caller+0x310/0x310
[  677.340407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.344638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.348868]  __run_timers+0x7e5/0xc70
[  677.352675]  ? timer_fixup_init+0x70/0x70
[  677.356905]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  677.361912]  ? zap_class+0x640/0x640
[  677.365624]  ? print_usage_bug+0xc0/0xc0
[  677.369681]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  677.374867]  ? find_held_lock+0x36/0x1c0
[  677.378929]  ? zap_class+0x640/0x640
[  677.382641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.388187]  ? check_preemption_disabled+0x48/0x280
[  677.393291]  ? __lock_is_held+0xb5/0x140
[  677.397350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.402884]  ? check_preemption_disabled+0x48/0x280
[  677.407897]  run_timer_softirq+0x52/0xb0
[  677.411951]  ? rcu_read_lock_sched_held+0x14f/0x180
[  677.416961]  __do_softirq+0x308/0xb7e
[  677.420762]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  677.425248]  ? lock_downgrade+0x900/0x900
[  677.429390]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  677.434514]  ? pvclock_read_flags+0x160/0x160
[  677.439011]  ? lapic_next_event+0x5a/0x90
[  677.443186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.448729]  ? kvm_clock_read+0x18/0x30
[  677.452703]  ? kvm_sched_clock_read+0x9/0x20
[  677.457115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.462646]  ? check_preemption_disabled+0x48/0x280
[  677.467666]  irq_exit+0x17f/0x1c0
[  677.471110]  smp_apic_timer_interrupt+0x1cb/0x760
[  677.475946]  ? smp_call_function_single_interrupt+0x159/0x650
[  677.481823]  ? smp_call_function_single_interrupt+0x650/0x650
[  677.487698]  ? interrupt_entry+0xb5/0xc0
[  677.491759]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.496765]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.501774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.506609]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.511617]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.516624]  ? task_prio+0x50/0x50
[  677.520162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.525698]  ? check_preemption_disabled+0x48/0x280
[  677.530718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.535566]  apic_timer_interrupt+0xf/0x20
[  677.539789]  </IRQ>
[  677.542019] RIP: 0010:smp_call_function_single+0x30a/0x660
[  677.547636] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  677.566526] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  677.574230] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  677.581494] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  677.588763] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  677.596037] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  677.603303] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  677.610597]  ? smp_call_function_single+0x351/0x660
[  677.615616]  ? smp_call_function_single+0x300/0x660
[  677.620631]  ? rcu_note_context_switch+0x12ad/0x2150
[  677.625737]  ? retint_kernel+0x2d/0x2d
[  677.629620]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  677.635508]  ? generic_exec_single+0x5f0/0x5f0
[  677.640103]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  677.646002]  ? zap_class+0x640/0x640
[  677.649710]  ? smp_call_function_single+0x302/0x660
[  677.654736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.660292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.665826]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  677.670835]  ? find_next_and_bit+0x183/0x1e0
[  677.675244]  smp_call_function_many+0x911/0xae0
[  677.679910]  ? __lock_acquire+0x62f/0x4c20
[  677.684145]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  677.690021]  ? _raw_spin_unlock_irq+0x27/0x80
[  677.694509]  ? _raw_spin_unlock_irq+0x27/0x80
[  677.699005]  ? smp_call_function_single_async+0x370/0x370
[  677.704544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.710076]  ? check_preemption_disabled+0x48/0x280
[  677.715087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.720619]  ? check_preemption_disabled+0x48/0x280
[  677.725633]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  677.731512]  on_each_cpu_mask+0x41/0x240
[  677.735565]  ? x86_configure_nx+0x110/0x110
[  677.739880]  on_each_cpu_cond_mask+0x171/0x210
[  677.744455]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  677.750331]  ? on_each_cpu_mask+0x240/0x240
[  677.754657]  native_flush_tlb_others+0x2ea/0x690
[  677.759411]  ? initialize_tlbstate_and_flush+0x380/0x380
[  677.764861]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  677.769868]  ? find_next_bit+0x104/0x130
[  677.773925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.779452]  ? find_next_bit+0x104/0x130
[  677.783509]  ? cpumask_next+0x41/0x50
[  677.787304]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  677.792311]  ? cpumask_any_but+0xb1/0xe0
[  677.796368]  flush_tlb_mm_range+0x2fe/0x5d0
[  677.800681]  ? fault_around_bytes_set+0x90/0x90
[  677.805357]  ? native_flush_tlb_others+0x690/0x690
[  677.810280]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  677.815819]  ? alloc_pages_current+0x17b/0x350
[  677.820401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.825940]  ? __tlb_remove_page_size+0x187/0x500
[  677.830783]  unmap_page_range+0x1eef/0x2930
[  677.835118]  ? vm_normal_page_pmd+0x510/0x510
[  677.839610]  ? mark_held_locks+0x130/0x130
[  677.843838]  ? finish_task_switch+0x1f4/0x910
[  677.848330]  ? finish_task_switch+0x1b4/0x910
[  677.852816]  ? __switch_to_asm+0x34/0x70
[  677.856883]  ? zap_class+0x640/0x640
[  677.860593]  ? prepare_to_wait_event+0x39f/0xa10
[  677.865341]  ? tlb_table_flush+0xb4/0x5c0
[  677.869482]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  677.874579]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  677.879676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.885210]  ? tlb_flush_mmu_free+0x105/0x170
[  677.889707]  ? tlb_flush_mmu+0x58/0x520
[  677.893683]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  677.898181]  ? kasan_check_write+0x14/0x20
[  677.902411]  ? tlb_finish_mmu+0x166/0x1f0
[  677.906553]  ? tlb_gather_mmu+0x440/0x440
[  677.910703]  ? kasan_check_write+0x14/0x20
[  677.914932]  __oom_reap_task_mm+0xf7/0x410
[  677.919165]  ? process_shares_mm+0x460/0x460
[  677.923589]  oom_reaper+0x2b7/0x11e0
[  677.927303]  ? __oom_reap_task_mm+0x410/0x410
[  677.931882]  ? lock_pin_lock+0x350/0x350
[  677.935940]  ? finish_wait+0x430/0x430
[  677.939833]  ? __schedule+0x168a/0x21d0
[  677.943799]  ? __switch_to_asm+0x40/0x70
[  677.947852]  ? __switch_to_asm+0x40/0x70
[  677.951910]  ? zap_class+0x640/0x640
[  677.955639]  ? __sched_text_start+0x8/0x8
[  677.959785]  ? find_held_lock+0x36/0x1c0
[  677.963849]  ? __kthread_parkme+0xce/0x1a0
[  677.968078]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  677.973172]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  677.978269]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  677.982849]  ? trace_hardirqs_on+0xbd/0x310
[  677.987163]  ? kasan_check_read+0x11/0x20
[  677.991303]  ? __kthread_parkme+0xce/0x1a0
[  677.995533]  ? trace_hardirqs_off_caller+0x310/0x310
[  678.000649]  ? preempt_schedule+0x4d/0x60
[  678.004798]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  678.009902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.015431]  ? __kthread_parkme+0xfb/0x1a0
[  678.019659]  ? __oom_reap_task_mm+0x410/0x410
[  678.024157]  kthread+0x35a/0x440
[  678.027520]  ? kthread_stop+0x900/0x900
[  678.031488]  ret_from_fork+0x3a/0x50
[  678.035213] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  678.035217] warn_alloc_show_mem: 1 callbacks suppressed
[  678.035223] Mem-Info:
[  678.042684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  678.048043] active_anon:44214 inactive_anon:199 isolated_anon:0
[  678.048043]  active_file:6 inactive_file:21 isolated_file:0
[  678.048043]  unevictable:0 dirty:0 writeback:0 unstable:0
[  678.048043]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  678.048043]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  678.048043]  free:13686 free_pcp:384 free_cma:0
[  678.050412] Call Trace:
[  678.060027] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  678.092783]  <IRQ>
[  678.095346] 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
[  678.122662]  dump_stack+0x244/0x39d
[  678.124774] lowmem_reserve[]: 0 2818 6321 6321
[  678.150962]  ? dump_stack_print_info.cold.1+0x20/0x20
[  678.154558] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  678.159132]  ? __wake_up+0xe/0x10
[  678.164285] lowmem_reserve[]: 0 0 3503 3503
[  678.191618]  warn_alloc.cold.116+0xb7/0x1bd
[  678.195035] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  678.199346]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  678.203631] lowmem_reserve[]: 0 0 0 0
[  678.232597]  ? lock_downgrade+0x900/0x900
[  678.237410] 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
[  678.241215]  ? trace_hardirqs_off+0xb8/0x310
[  678.245332] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  678.258845]  ? trace_hardirqs_off+0xb8/0x310
[  678.263223] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  678.278390]  __alloc_pages_slowpath+0x2651/0x2de0
[  678.282773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  678.296382]  ? warn_alloc+0x120/0x120
[  678.301177] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  678.301184] 271 total pagecache pages
[  678.310005]  ? print_usage_bug+0xc0/0xc0
[  678.313784] 0 pages in swap cache
[  678.322337]  ? warn_alloc+0x120/0x120
[  678.326111] Swap cache stats: add 0, delete 0, find 0/0
[  678.330155]  ? warn_alloc+0x120/0x120
[  678.333579] Free swap  = 0kB
[  678.337366]  ? print_usage_bug+0xc0/0xc0
[  678.342699] Total swap = 0kB
[  678.346484]  ? kvm_clock_read+0x18/0x30
[  678.349474] 1965979 pages RAM
[  678.353519]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  678.356505] 0 pages HighMem/MovableOnly
[  678.356512] 342854 pages reserved
[  678.360469]  ? print_usage_bug+0xc0/0xc0
[  678.363542] 0 pages cma reserved
[  678.368541]  ? __lock_acquire+0x62f/0x4c20
[  678.372535] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  678.375932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.375944]  ? should_fail+0x22d/0xd01
[  678.375960]  ? __lock_acquire+0x62f/0x4c20
[  678.380049] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  678.383348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  678.387554] oom_reaper cpuset=/ mems_allowed=0
[  678.394033]  ? __lock_acquire+0x62f/0x4c20
[  678.431716]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  678.436814]  ? __lock_acquire+0x62f/0x4c20
[  678.441042]  ? should_fail+0x22d/0xd01
[  678.444937]  ? mark_held_locks+0x130/0x130
[  678.449169]  ? mark_held_locks+0x130/0x130
[  678.453394]  ? try_to_wake_up+0x11c/0x1490
[  678.457626]  ? lock_downgrade+0x900/0x900
[  678.461776]  ? zap_class+0x640/0x640
[  678.465486]  ? print_usage_bug+0xc0/0xc0
[  678.469542]  ? trace_hardirqs_off+0xb8/0x310
[  678.473943]  ? kasan_check_read+0x11/0x20
[  678.478090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.483620]  ? check_preemption_disabled+0x48/0x280
[  678.488653]  ? __lock_is_held+0xb5/0x140
[  678.492713]  __alloc_pages_nodemask+0xad8/0xea0
[  678.497376]  ? zap_class+0x640/0x640
[  678.501095]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  678.506114]  ? find_held_lock+0x36/0x1c0
[  678.510178]  ? ____cache_alloc_node+0x1c7/0x1e0
[  678.514840]  ? lock_downgrade+0x900/0x900
[  678.518990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.524528]  cache_grow_begin+0xa5/0x8c0
[  678.528581]  ? do_raw_spin_unlock+0xa7/0x330
[  678.532987]  fallback_alloc+0x204/0x2e0
[  678.536962]  ____cache_alloc_node+0x1c7/0x1e0
[  678.541457]  kmem_cache_alloc_node+0xe3/0x730
[  678.545943]  ? ipv6_get_ifaddr+0x42e/0x620
[  678.550184]  __alloc_skb+0x119/0x770
[  678.553890]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.559166]  ? netdev_alloc_frag+0x1f0/0x1f0
[  678.563570]  ? lock_downgrade+0x900/0x900
[  678.567719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.573248]  ? refcount_sub_and_test_checked+0x203/0x310
[  678.578693]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  678.584136]  ? addrconf_rs_timer+0x690/0x690
[  678.588548]  ndisc_alloc_skb+0x144/0x340
[  678.592607]  ndisc_send_rs+0x331/0x6e0
[  678.596497]  addrconf_rs_timer+0x314/0x690
[  678.600733]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  678.604971]  call_timer_fn+0x272/0x920
[  678.608851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  678.613094]  ? process_timeout+0x40/0x40
[  678.617161]  ? __run_timers+0x7da/0xc70
[  678.621131]  ? _raw_spin_unlock_irq+0x27/0x80
[  678.625620]  ? _raw_spin_unlock_irq+0x27/0x80
[  678.630115]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  678.634345]  ? lockdep_hardirqs_on+0x296/0x5b0
[  678.638922]  ? trace_hardirqs_on+0xbd/0x310
[  678.643238]  ? kasan_check_read+0x11/0x20
[  678.647379]  ? __run_timers+0x7da/0xc70
[  678.651357]  ? trace_hardirqs_off_caller+0x310/0x310
[  678.656466]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  678.660692]  __run_timers+0x7e5/0xc70
[  678.664493]  ? timer_fixup_init+0x70/0x70
[  678.668645]  ? lock_acquire+0x1ed/0x520
[  678.672616]  ? zap_class+0x640/0x640
[  678.676342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.681876]  ? kasan_check_read+0x11/0x20
[  678.686017]  ? do_raw_spin_lock+0x14f/0x350
[  678.690344]  ? find_held_lock+0x36/0x1c0
[  678.694411]  ? zap_class+0x640/0x640
[  678.698123]  ? pvclock_read_flags+0x160/0x160
[  678.702614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.708157]  ? check_preemption_disabled+0x48/0x280
[  678.713175]  ? __lock_is_held+0xb5/0x140
[  678.717246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.723075]  ? check_preemption_disabled+0x48/0x280
[  678.728089]  run_timer_softirq+0x52/0xb0
[  678.732146]  ? rcu_read_lock_sched_held+0x14f/0x180
[  678.737158]  __do_softirq+0x308/0xb7e
[  678.740958]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  678.745451]  ? lock_downgrade+0x900/0x900
[  678.749596]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  678.754716]  ? pvclock_read_flags+0x160/0x160
[  678.759208]  ? lapic_next_event+0x5a/0x90
[  678.763350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.768888]  ? kvm_clock_read+0x18/0x30
[  678.772856]  ? kvm_sched_clock_read+0x9/0x20
[  678.777260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.782796]  ? check_preemption_disabled+0x48/0x280
[  678.787820]  irq_exit+0x17f/0x1c0
[  678.791266]  smp_apic_timer_interrupt+0x1cb/0x760
[  678.796101]  ? smp_call_function_single_interrupt+0x159/0x650
[  678.801981]  ? smp_call_function_single_interrupt+0x650/0x650
[  678.807858]  ? interrupt_entry+0xb5/0xc0
[  678.811914]  ? trace_hardirqs_off_caller+0xbb/0x310
[  678.816921]  ? trace_hardirqs_off_caller+0xbb/0x310
[  678.821932]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.826770]  ? trace_hardirqs_on_caller+0x310/0x310
[  678.831779]  ? trace_hardirqs_on_caller+0x310/0x310
[  678.836789]  ? task_prio+0x50/0x50
[  678.840331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.845861]  ? check_preemption_disabled+0x48/0x280
[  678.850878]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.855725]  apic_timer_interrupt+0xf/0x20
[  678.859946]  </IRQ>
[  678.862181] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  678.867106] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  678.886012] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  678.893715] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  678.900978] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  678.908242] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  678.915504] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  678.922765] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  678.930062]  skb_clone+0x1bb/0x500
[  678.933604]  ? finish_task_switch+0x1b4/0x910
[  678.938093]  ? skb_split+0x11e0/0x11e0
[  678.941974]  ? preempt_notifier_register+0x200/0x200
[  678.947070]  ? __switch_to_asm+0x34/0x70
[  678.951125]  ? __switch_to_asm+0x34/0x70
[  678.955176]  ? __switch_to_asm+0x40/0x70
[  678.959226]  ? __switch_to_asm+0x34/0x70
[  678.963279]  ? __switch_to_asm+0x40/0x70
[  678.967332]  ? __switch_to_asm+0x34/0x70
[  678.971385]  ? __switch_to_asm+0x40/0x70
[  678.975441]  ? __switch_to_asm+0x34/0x70
[  678.979493]  ? __switch_to_asm+0x34/0x70
[  678.983544]  ? __switch_to_asm+0x40/0x70
[  678.987604]  ? __switch_to_asm+0x34/0x70
[  678.991667]  bpf_clone_redirect+0xb9/0x490
[  678.995897]  ? __schedule+0x8d7/0x21d0
[  678.999786]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  679.004808]  ? __sched_text_start+0x8/0x8
[  679.008949]  ? retint_kernel+0x2d/0x2d
[  679.012842]  ? find_held_lock+0x36/0x1c0
[  679.016903]  ? lock_acquire+0x1ed/0x520
[  679.020875]  ? bpf_test_run+0x3ee/0x7a0
[  679.024845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.030378]  ? check_preemption_disabled+0x48/0x280
[  679.035394]  ? kasan_check_read+0x11/0x20
[  679.039536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  679.044809]  ? rcu_softirq_qs+0x20/0x20
[  679.048782]  ? preempt_schedule+0x4d/0x60
[  679.052926]  ? ___preempt_schedule+0x16/0x18
[  679.057338]  ? bpf_test_run+0x271/0x7a0
[  679.061324]  ? netlink_diag_dump+0x2a0/0x2a0
[  679.065733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  679.071261]  ? bpf_test_init.isra.10+0x70/0x100
[  679.075930]  ? bpf_prog_test_run_skb+0x762/0xd60
[  679.080690]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  679.085530]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  679.091061]  ? fput+0x130/0x1a0
[  679.094341]  ? __bpf_prog_get+0x9b/0x290
[  679.098401]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  679.103238]  ? bpf_prog_test_run+0x130/0x1a0
[  679.107645]  ? __x64_sys_bpf+0x3d8/0x520
[  679.111703]  ? bpf_prog_get+0x20/0x20
[  679.115511]  ? do_syscall_64+0x1b9/0x820
[  679.119564]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  679.124930]  ? syscall_return_slowpath+0x5e0/0x5e0
[  679.129851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.134689]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.139700]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  679.144712]  ? prepare_exit_to_usermode+0x291/0x3b0
[  679.149725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.154568]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  679.159945] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  679.160001] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  679.166949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  679.166954] Call Trace:
[  679.166959]  <IRQ>
[  679.166974]  dump_stack+0x244/0x39d
[  679.166993]  ? dump_stack_print_info.cold.1+0x20/0x20
[  679.173572] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  679.182806]  ? __wake_up+0xe/0x10
[  679.185361] syz-executor0 cpuset=syz0 mems_allowed=0
[  679.187508]  warn_alloc.cold.116+0xb7/0x1bd
[  679.219558]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  679.224749]  ? lock_downgrade+0x900/0x900
[  679.228903]  ? trace_hardirqs_off+0xb8/0x310
[  679.233309]  ? trace_hardirqs_off+0xb8/0x310
[  679.237721]  __alloc_pages_slowpath+0x2651/0x2de0
[  679.242587]  ? warn_alloc+0x120/0x120
[  679.246384]  ? print_usage_bug+0xc0/0xc0
[  679.250446]  ? warn_alloc+0x120/0x120
[  679.254245]  ? warn_alloc+0x120/0x120
[  679.258047]  ? print_usage_bug+0xc0/0xc0
[  679.262110]  ? print_usage_bug+0xc0/0xc0
[  679.266165]  ? __lock_acquire+0x62f/0x4c20
[  679.270410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  679.275940]  ? should_fail+0x22d/0xd01
[  679.279837]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  679.284944]  ? __lock_acquire+0x62f/0x4c20
[  679.289175]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  679.294273]  ? __lock_acquire+0x62f/0x4c20
[  679.298499]  ? should_fail+0x22d/0xd01
[  679.302378]  ? find_held_lock+0x36/0x1c0
[  679.306438]  ? mark_held_locks+0x130/0x130
[  679.310670]  ? mark_held_locks+0x130/0x130
[  679.314894]  ? zap_class+0x640/0x640
[  679.318607]  ? zap_class+0x640/0x640
[  679.322318]  ? print_usage_bug+0xc0/0xc0
[  679.326368]  ? do_raw_spin_unlock+0xa7/0x330
[  679.330771]  ? zap_class+0x640/0x640
[  679.334481]  ? print_usage_bug+0xc0/0xc0
[  679.338534]  ? wq_watchdog_touch+0x9c/0xfe
[  679.342778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.348317]  ? check_preemption_disabled+0x48/0x280
[  679.353339]  ? __lock_is_held+0xb5/0x140
[  679.357408]  __alloc_pages_nodemask+0xad8/0xea0
[  679.362073]  ? zap_class+0x640/0x640
[  679.365783]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  679.370815]  ? find_held_lock+0x36/0x1c0
[  679.374884]  ? ____cache_alloc_node+0x1c7/0x1e0
[  679.379554]  ? lock_downgrade+0x900/0x900
[  679.383710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.389247]  cache_grow_begin+0xa5/0x8c0
[  679.393301]  ? do_raw_spin_unlock+0xa7/0x330
[  679.397713]  fallback_alloc+0x204/0x2e0
[  679.401688]  ____cache_alloc_node+0x1c7/0x1e0
[  679.406184]  kmem_cache_alloc_node+0xe3/0x730
[  679.410675]  ? ipv6_get_ifaddr+0x42e/0x620
[  679.414913]  __alloc_skb+0x119/0x770
[  679.418630]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  679.423906]  ? netdev_alloc_frag+0x1f0/0x1f0
[  679.428312]  ? lock_downgrade+0x900/0x900
[  679.432458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.437990]  ? refcount_sub_and_test_checked+0x203/0x310
[  679.443436]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  679.448884]  ? addrconf_rs_timer+0x690/0x690
[  679.453299]  ndisc_alloc_skb+0x144/0x340
[  679.457355]  ndisc_send_rs+0x331/0x6e0
[  679.461240]  addrconf_rs_timer+0x314/0x690
[  679.465472]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.469708]  call_timer_fn+0x272/0x920
[  679.473587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.477818]  ? process_timeout+0x40/0x40
[  679.481883]  ? mark_held_locks+0xc7/0x130
[  679.486025]  ? _raw_spin_unlock_irq+0x27/0x80
[  679.490511]  ? _raw_spin_unlock_irq+0x27/0x80
[  679.495015]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.499250]  ? lockdep_hardirqs_on+0x296/0x5b0
[  679.503833]  ? trace_hardirqs_on+0xbd/0x310
[  679.508149]  ? kasan_check_read+0x11/0x20
[  679.512286]  ? __run_timers+0x7da/0xc70
[  679.516345]  ? trace_hardirqs_off_caller+0x310/0x310
[  679.521444]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.525676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.529902]  __run_timers+0x7e5/0xc70
[  679.533712]  ? timer_fixup_init+0x70/0x70
[  679.537856]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  679.542869]  ? zap_class+0x640/0x640
[  679.546584]  ? print_usage_bug+0xc0/0xc0
[  679.550649]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  679.555841]  ? find_held_lock+0x36/0x1c0
[  679.559902]  ? zap_class+0x640/0x640
[  679.563618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.569152]  ? check_preemption_disabled+0x48/0x280
[  679.574167]  ? __lock_is_held+0xb5/0x140
[  679.578223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.583756]  ? check_preemption_disabled+0x48/0x280
[  679.588770]  run_timer_softirq+0x52/0xb0
[  679.592833]  ? rcu_read_lock_sched_held+0x14f/0x180
[  679.597841]  __do_softirq+0x308/0xb7e
[  679.601642]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  679.606128]  ? lock_downgrade+0x900/0x900
[  679.610275]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  679.615395]  ? pvclock_read_flags+0x160/0x160
[  679.619883]  ? lapic_next_event+0x5a/0x90
[  679.624112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.629645]  ? kvm_clock_read+0x18/0x30
[  679.633613]  ? kvm_sched_clock_read+0x9/0x20
[  679.638020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.643555]  ? check_preemption_disabled+0x48/0x280
[  679.648587]  irq_exit+0x17f/0x1c0
[  679.652037]  smp_apic_timer_interrupt+0x1cb/0x760
[  679.656887]  ? smp_call_function_single_interrupt+0x159/0x650
[  679.662780]  ? smp_call_function_single_interrupt+0x650/0x650
[  679.668659]  ? interrupt_entry+0xb5/0xc0
[  679.672727]  ? trace_hardirqs_off_caller+0xbb/0x310
[  679.677736]  ? trace_hardirqs_off_caller+0xbb/0x310
[  679.682750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.687591]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.692598]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.697694]  ? task_prio+0x50/0x50
[  679.701228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.706757]  ? check_preemption_disabled+0x48/0x280
[  679.711774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.716623]  apic_timer_interrupt+0xf/0x20
[  679.720844]  </IRQ>
[  679.723075] RIP: 0010:smp_call_function_single+0x30a/0x660
[  679.728691] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  679.747591] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  679.755296] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  679.762560] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  679.769823] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  679.777082] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  679.784343] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  679.791617]  ? smp_call_function_single+0x351/0x660
[  679.799414]  ? smp_call_function_single+0x300/0x660
[  679.804430]  ? rcu_note_context_switch+0x12ad/0x2150
[  679.809537]  ? retint_kernel+0x2d/0x2d
[  679.813420]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  679.819298]  ? generic_exec_single+0x5f0/0x5f0
[  679.823874]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  679.829758]  ? zap_class+0x640/0x640
[  679.833472]  ? smp_call_function_single+0x302/0x660
[  679.838482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.844015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.849547]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  679.854558]  ? find_next_and_bit+0x183/0x1e0
[  679.858970]  smp_call_function_many+0x911/0xae0
[  679.863631]  ? __lock_acquire+0x62f/0x4c20
[  679.867864]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  679.873742]  ? _raw_spin_unlock_irq+0x27/0x80
[  679.878230]  ? _raw_spin_unlock_irq+0x27/0x80
[  679.882720]  ? smp_call_function_single_async+0x370/0x370
[  679.888251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.893788]  ? check_preemption_disabled+0x48/0x280
[  679.898804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.904339]  ? check_preemption_disabled+0x48/0x280
[  679.909350]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  679.915225]  on_each_cpu_mask+0x41/0x240
[  679.919283]  ? x86_configure_nx+0x110/0x110
[  679.923597]  on_each_cpu_cond_mask+0x171/0x210
[  679.928173]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  679.934049]  ? on_each_cpu_mask+0x240/0x240
[  679.938379]  native_flush_tlb_others+0x2ea/0x690
[  679.943133]  ? initialize_tlbstate_and_flush+0x380/0x380
[  679.948581]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  679.953597]  ? find_next_bit+0x104/0x130
[  679.957655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  679.963190]  ? find_next_bit+0x104/0x130
[  679.967247]  ? cpumask_next+0x41/0x50
[  679.971039]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  679.976051]  ? cpumask_any_but+0xb1/0xe0
[  679.980108]  flush_tlb_mm_range+0x2fe/0x5d0
[  679.984425]  ? fault_around_bytes_set+0x90/0x90
[  679.989093]  ? native_flush_tlb_others+0x690/0x690
[  679.994016]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  679.999554]  ? alloc_pages_current+0x17b/0x350
[  680.004139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.009668]  ? __tlb_remove_page_size+0x187/0x500
[  680.014519]  unmap_page_range+0x1eef/0x2930
[  680.018858]  ? vm_normal_page_pmd+0x510/0x510
[  680.023362]  ? mark_held_locks+0x130/0x130
[  680.027595]  ? finish_task_switch+0x1f4/0x910
[  680.032783]  ? finish_task_switch+0x1b4/0x910
[  680.037268]  ? __switch_to_asm+0x34/0x70
[  680.041335]  ? zap_class+0x640/0x640
[  680.045043]  ? prepare_to_wait_event+0x39f/0xa10
[  680.049792]  ? tlb_table_flush+0xb4/0x5c0
[  680.054356]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  680.059453]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  680.064552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.070083]  ? tlb_flush_mmu_free+0x105/0x170
[  680.074578]  ? tlb_flush_mmu+0x58/0x520
[  680.078549]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  680.083042]  ? kasan_check_write+0x14/0x20
[  680.087267]  ? tlb_finish_mmu+0x166/0x1f0
[  680.091412]  ? tlb_gather_mmu+0x440/0x440
[  680.095557]  ? kasan_check_write+0x14/0x20
[  680.099789]  __oom_reap_task_mm+0xf7/0x410
[  680.104020]  ? process_shares_mm+0x460/0x460
[  680.108440]  oom_reaper+0x2b7/0x11e0
[  680.112165]  ? __oom_reap_task_mm+0x410/0x410
[  680.116662]  ? lock_pin_lock+0x350/0x350
[  680.120723]  ? finish_wait+0x430/0x430
[  680.124613]  ? __schedule+0x168a/0x21d0
[  680.128581]  ? __switch_to_asm+0x40/0x70
[  680.132632]  ? __switch_to_asm+0x40/0x70
[  680.136695]  ? zap_class+0x640/0x640
[  680.140409]  ? __sched_text_start+0x8/0x8
[  680.144577]  ? find_held_lock+0x36/0x1c0
[  680.148640]  ? __kthread_parkme+0xce/0x1a0
[  680.152872]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  680.157971]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  680.163067]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  680.167647]  ? trace_hardirqs_on+0xbd/0x310
[  680.171967]  ? kasan_check_read+0x11/0x20
[  680.176111]  ? __kthread_parkme+0xce/0x1a0
[  680.180339]  ? trace_hardirqs_off_caller+0x310/0x310
[  680.185442]  ? preempt_schedule+0x4d/0x60
[  680.189588]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  680.194687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.200217]  ? __kthread_parkme+0xfb/0x1a0
[  680.204451]  ? __oom_reap_task_mm+0x410/0x410
[  680.208943]  kthread+0x35a/0x440
[  680.212306]  ? kthread_stop+0x900/0x900
[  680.216282]  ret_from_fork+0x3a/0x50
[  680.220000] warn_alloc_show_mem: 1 callbacks suppressed
[  680.220009] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  680.220011] Mem-Info:
[  680.220041] active_anon:44214 inactive_anon:199 isolated_anon:0
[  680.220041]  active_file:6 inactive_file:21 isolated_file:0
[  680.220041]  unevictable:0 dirty:0 writeback:0 unstable:0
[  680.220041]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  680.220041]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  680.220041]  free:13686 free_pcp:384 free_cma:0
[  680.225879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  680.225887] Call Trace:
[  680.233244] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  680.235638]  <IRQ>
[  680.268405] 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
[  680.277754]  dump_stack+0x244/0x39d
[  680.280304] lowmem_reserve[]: 0 2818 6321 6321
[  680.307621]  ? dump_stack_print_info.cold.1+0x20/0x20
[  680.309744] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  680.335842]  ? __wake_up+0xe/0x10
[  680.339433] lowmem_reserve[]: 0 0 3503 3503
[  680.344018]  warn_alloc.cold.116+0xb7/0x1bd
[  680.349172] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  680.376658]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  680.380078] lowmem_reserve[]: 0 0 0 0
[  680.384394]  ? lock_downgrade+0x900/0x900
[  680.388687] 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
[  680.417657]  ? trace_hardirqs_off+0xb8/0x310
[  680.422472] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  680.426271]  ? trace_hardirqs_off+0xb8/0x310
[  680.430384] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  680.443996]  __alloc_pages_slowpath+0x2651/0x2de0
[  680.448376] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  680.463553]  ? warn_alloc+0x120/0x120
[  680.467914] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  680.481503]  ? warn_alloc+0x120/0x120
[  680.486314] 271 total pagecache pages
[  680.495133]  ? zap_class+0x640/0x640
[  680.498911] 0 pages in swap cache
[  680.507472]  ? warn_alloc+0x120/0x120
[  680.511250] Swap cache stats: add 0, delete 0, find 0/0
[  680.515035]  ? print_usage_bug+0xc0/0xc0
[  680.518720] Free swap  = 0kB
[  680.522158]  ? print_usage_bug+0xc0/0xc0
[  680.525931] Total swap = 0kB
[  680.531279]  ? __lock_is_held+0xb5/0x140
[  680.535311] 1965979 pages RAM
[  680.538320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.542347] 0 pages HighMem/MovableOnly
[  680.542354] 342854 pages reserved
[  680.545361]  ? should_fail+0x22d/0xd01
[  680.549388] 0 pages cma reserved
[  680.549444] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  680.552489]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  680.558073] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  680.561956]  ? __lock_acquire+0x62f/0x4c20
[  680.565381] oom_reaper cpuset=/ mems_allowed=0
[  680.569257]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  680.608321]  ? __lock_acquire+0x62f/0x4c20
[  680.612553]  ? should_fail+0x22d/0xd01
[  680.616454]  ? mark_held_locks+0x130/0x130
[  680.620687]  ? mark_held_locks+0x130/0x130
[  680.624914]  ? try_to_wake_up+0x11c/0x1490
[  680.629146]  ? lock_downgrade+0x900/0x900
[  680.633289]  ? zap_class+0x640/0x640
[  680.636994]  ? print_usage_bug+0xc0/0xc0
[  680.641052]  ? trace_hardirqs_off+0xb8/0x310
[  680.645460]  ? kasan_check_read+0x11/0x20
[  680.649617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.655147]  ? check_preemption_disabled+0x48/0x280
[  680.660169]  ? __lock_is_held+0xb5/0x140
[  680.664234]  __alloc_pages_nodemask+0xad8/0xea0
[  680.668895]  ? zap_class+0x640/0x640
[  680.672610]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  680.677633]  ? find_held_lock+0x36/0x1c0
[  680.681694]  ? ____cache_alloc_node+0x1c7/0x1e0
[  680.686361]  ? lock_downgrade+0x900/0x900
[  680.690508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.696040]  cache_grow_begin+0xa5/0x8c0
[  680.700096]  ? do_raw_spin_unlock+0xa7/0x330
[  680.704505]  fallback_alloc+0x204/0x2e0
[  680.708479]  ____cache_alloc_node+0x1c7/0x1e0
[  680.712976]  kmem_cache_alloc_node+0xe3/0x730
[  680.717468]  ? ipv6_get_ifaddr+0x42e/0x620
[  680.721707]  __alloc_skb+0x119/0x770
[  680.725414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.730697]  ? netdev_alloc_frag+0x1f0/0x1f0
[  680.735099]  ? lock_downgrade+0x900/0x900
[  680.739247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.744786]  ? refcount_sub_and_test_checked+0x203/0x310
[  680.750236]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  680.755681]  ? addrconf_rs_timer+0x690/0x690
[  680.760095]  ndisc_alloc_skb+0x144/0x340
[  680.764156]  ndisc_send_rs+0x331/0x6e0
[  680.768041]  addrconf_rs_timer+0x314/0x690
[  680.772273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.776510]  call_timer_fn+0x272/0x920
[  680.780393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.784620]  ? process_timeout+0x40/0x40
[  680.788679]  ? __run_timers+0x7da/0xc70
[  680.792662]  ? _raw_spin_unlock_irq+0x27/0x80
[  680.797153]  ? _raw_spin_unlock_irq+0x27/0x80
[  680.801642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.805870]  ? lockdep_hardirqs_on+0x296/0x5b0
[  680.810451]  ? trace_hardirqs_on+0xbd/0x310
[  680.815056]  ? kasan_check_read+0x11/0x20
[  680.819202]  ? __run_timers+0x7da/0xc70
[  680.823174]  ? trace_hardirqs_off_caller+0x310/0x310
[  680.828280]  ? __queue_work+0x1440/0x1440
[  680.832435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.836663]  __run_timers+0x7e5/0xc70
[  680.840468]  ? timer_fixup_init+0x70/0x70
[  680.844614]  ? lock_acquire+0x1ed/0x520
[  680.848582]  ? zap_class+0x640/0x640
[  680.852293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.857830]  ? kasan_check_read+0x11/0x20
[  680.861970]  ? do_raw_spin_lock+0x14f/0x350
[  680.866294]  ? find_held_lock+0x36/0x1c0
[  680.870357]  ? zap_class+0x640/0x640
[  680.874070]  ? pvclock_read_flags+0x160/0x160
[  680.878564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.884098]  ? check_preemption_disabled+0x48/0x280
[  680.889120]  ? __lock_is_held+0xb5/0x140
[  680.893174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.898713]  ? check_preemption_disabled+0x48/0x280
[  680.903732]  run_timer_softirq+0x52/0xb0
[  680.907785]  ? rcu_read_lock_sched_held+0x14f/0x180
[  680.912797]  __do_softirq+0x308/0xb7e
[  680.916592]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  680.921079]  ? lock_downgrade+0x900/0x900
[  680.925226]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  680.930328]  ? pvclock_read_flags+0x160/0x160
[  680.934821]  ? lapic_next_event+0x5a/0x90
[  680.938967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.944503]  ? kvm_clock_read+0x18/0x30
[  680.948469]  ? kvm_sched_clock_read+0x9/0x20
[  680.952874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.958404]  ? check_preemption_disabled+0x48/0x280
[  680.963438]  irq_exit+0x17f/0x1c0
[  680.966886]  smp_apic_timer_interrupt+0x1cb/0x760
[  680.971723]  ? smp_call_function_single_interrupt+0x159/0x650
[  680.977601]  ? smp_call_function_single_interrupt+0x650/0x650
[  680.983479]  ? interrupt_entry+0xb5/0xc0
[  680.987534]  ? trace_hardirqs_off_caller+0xbb/0x310
[  680.992548]  ? trace_hardirqs_off_caller+0xbb/0x310
[  680.997561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.002396]  ? trace_hardirqs_on_caller+0x310/0x310
[  681.007420]  ? trace_hardirqs_on_caller+0x310/0x310
[  681.012437]  ? task_prio+0x50/0x50
[  681.015974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.021508]  ? check_preemption_disabled+0x48/0x280
[  681.026524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.031368]  apic_timer_interrupt+0xf/0x20
[  681.035590]  </IRQ>
[  681.037822] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  681.042745] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  681.061640] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  681.069339] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  681.076599] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  681.083866] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  681.091124] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  681.098386] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  681.105688]  skb_clone+0x1bb/0x500
[  681.109223]  ? finish_task_switch+0x1b4/0x910
[  681.113717]  ? skb_split+0x11e0/0x11e0
[  681.117603]  ? preempt_notifier_register+0x200/0x200
[  681.122699]  ? __switch_to_asm+0x34/0x70
[  681.126752]  ? __switch_to_asm+0x34/0x70
[  681.130806]  ? __switch_to_asm+0x40/0x70
[  681.134856]  ? __switch_to_asm+0x34/0x70
[  681.138906]  ? __switch_to_asm+0x40/0x70
[  681.142961]  ? __switch_to_asm+0x34/0x70
[  681.147013]  ? __switch_to_asm+0x40/0x70
[  681.151064]  ? __switch_to_asm+0x34/0x70
[  681.155120]  ? __switch_to_asm+0x34/0x70
[  681.159175]  ? __switch_to_asm+0x40/0x70
[  681.163229]  ? __switch_to_asm+0x34/0x70
[  681.167291]  bpf_clone_redirect+0xb9/0x490
[  681.171518]  ? __schedule+0x8d7/0x21d0
[  681.175418]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  681.180436]  ? __sched_text_start+0x8/0x8
[  681.184577]  ? retint_kernel+0x2d/0x2d
[  681.188466]  ? find_held_lock+0x36/0x1c0
[  681.192527]  ? lock_acquire+0x1ed/0x520
[  681.196497]  ? bpf_test_run+0x3ee/0x7a0
[  681.200469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.206000]  ? check_preemption_disabled+0x48/0x280
[  681.211014]  ? kasan_check_read+0x11/0x20
[  681.215161]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.220434]  ? rcu_softirq_qs+0x20/0x20
[  681.224881]  ? preempt_schedule+0x4d/0x60
[  681.229025]  ? ___preempt_schedule+0x16/0x18
[  681.233440]  ? bpf_test_run+0x271/0x7a0
[  681.237425]  ? netlink_diag_dump+0x2a0/0x2a0
[  681.241829]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.247357]  ? bpf_test_init.isra.10+0x70/0x100
[  681.252047]  ? bpf_prog_test_run_skb+0x762/0xd60
[  681.256804]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  681.261644]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  681.267175]  ? fput+0x130/0x1a0
[  681.270453]  ? __bpf_prog_get+0x9b/0x290
[  681.274511]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  681.279348]  ? bpf_prog_test_run+0x130/0x1a0
[  681.283752]  ? __x64_sys_bpf+0x3d8/0x520
[  681.287810]  ? bpf_prog_get+0x20/0x20
[  681.291620]  ? do_syscall_64+0x1b9/0x820
[  681.295672]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  681.301036]  ? syscall_return_slowpath+0x5e0/0x5e0
[  681.305958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.310796]  ? trace_hardirqs_on_caller+0x310/0x310
[  681.315806]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  681.320817]  ? prepare_exit_to_usermode+0x291/0x3b0
[  681.325840]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.330681]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  681.336053] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  681.336106] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  681.343064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  681.343069] Call Trace:
[  681.343075]  <IRQ>
[  681.343091]  dump_stack+0x244/0x39d
[  681.343109]  ? dump_stack_print_info.cold.1+0x20/0x20
[  681.349622] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  681.358912]  ? __wake_up+0xe/0x10
[  681.361467] syz-executor0 cpuset=syz0 mems_allowed=0
[  681.363610]  warn_alloc.cold.116+0xb7/0x1bd
[  681.395843]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  681.400686]  ? lock_downgrade+0x900/0x900
[  681.404833]  ? trace_hardirqs_off+0xb8/0x310
[  681.409329]  ? trace_hardirqs_off+0xb8/0x310
[  681.413740]  __alloc_pages_slowpath+0x2651/0x2de0
[  681.418603]  ? warn_alloc+0x120/0x120
[  681.422407]  ? print_usage_bug+0xc0/0xc0
[  681.426463]  ? warn_alloc+0x120/0x120
[  681.430263]  ? warn_alloc+0x120/0x120
[  681.434061]  ? print_usage_bug+0xc0/0xc0
[  681.438115]  ? kvm_clock_read+0x18/0x30
[  681.442083]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  681.447094]  ? print_usage_bug+0xc0/0xc0
[  681.451149]  ? __lock_acquire+0x62f/0x4c20
[  681.455388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.460921]  ? should_fail+0x22d/0xd01
[  681.464800]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.470075]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  681.475174]  ? __lock_acquire+0x62f/0x4c20
[  681.479406]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  681.484500]  ? __lock_acquire+0x62f/0x4c20
[  681.488730]  ? should_fail+0x22d/0xd01
[  681.492957]  ? rcu_irq_exit+0x1a2/0x390
[  681.496932]  ? mark_held_locks+0x130/0x130
[  681.501162]  ? mark_held_locks+0x130/0x130
[  681.505401]  ? mark_held_locks+0xc7/0x130
[  681.509541]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  681.514550]  ? zap_class+0x640/0x640
[  681.518259]  ? print_usage_bug+0xc0/0xc0
[  681.522319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.527849]  ? check_preemption_disabled+0x48/0x280
[  681.532865]  ? __lock_is_held+0xb5/0x140
[  681.536928]  __alloc_pages_nodemask+0xad8/0xea0
[  681.541588]  ? zap_class+0x640/0x640
[  681.545302]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  681.550324]  ? find_held_lock+0x36/0x1c0
[  681.554390]  ? ____cache_alloc_node+0x1c7/0x1e0
[  681.559054]  ? lock_downgrade+0x900/0x900
[  681.563199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.568734]  cache_grow_begin+0xa5/0x8c0
[  681.572787]  ? do_raw_spin_unlock+0xa7/0x330
[  681.577198]  fallback_alloc+0x204/0x2e0
[  681.581173]  ____cache_alloc_node+0x1c7/0x1e0
[  681.585665]  kmem_cache_alloc_node+0xe3/0x730
[  681.590153]  ? ipv6_get_ifaddr+0x42e/0x620
[  681.594395]  __alloc_skb+0x119/0x770
[  681.598102]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.603384]  ? netdev_alloc_frag+0x1f0/0x1f0
[  681.607784]  ? lock_downgrade+0x900/0x900
[  681.611934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.617463]  ? refcount_sub_and_test_checked+0x203/0x310
[  681.622914]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  681.628364]  ? addrconf_rs_timer+0x690/0x690
[  681.632779]  ndisc_alloc_skb+0x144/0x340
[  681.636835]  ndisc_send_rs+0x331/0x6e0
[  681.640720]  addrconf_rs_timer+0x314/0x690
[  681.644951]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.649188]  call_timer_fn+0x272/0x920
[  681.653066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.657294]  ? process_timeout+0x40/0x40
[  681.661362]  ? mark_held_locks+0xc7/0x130
[  681.665518]  ? _raw_spin_unlock_irq+0x27/0x80
[  681.670106]  ? _raw_spin_unlock_irq+0x27/0x80
[  681.674592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.678823]  ? lockdep_hardirqs_on+0x296/0x5b0
[  681.683402]  ? trace_hardirqs_on+0xbd/0x310
[  681.687715]  ? kasan_check_read+0x11/0x20
[  681.691854]  ? __run_timers+0x7da/0xc70
[  681.695821]  ? trace_hardirqs_off_caller+0x310/0x310
[  681.700919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.705154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.709380]  __run_timers+0x7e5/0xc70
[  681.713196]  ? timer_fixup_init+0x70/0x70
[  681.717337]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  681.722373]  ? zap_class+0x640/0x640
[  681.726085]  ? print_usage_bug+0xc0/0xc0
[  681.730141]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  681.735331]  ? find_held_lock+0x36/0x1c0
[  681.739396]  ? zap_class+0x640/0x640
[  681.743107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.748636]  ? check_preemption_disabled+0x48/0x280
[  681.753656]  ? __lock_is_held+0xb5/0x140
[  681.757710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.763245]  ? check_preemption_disabled+0x48/0x280
[  681.768256]  run_timer_softirq+0x52/0xb0
[  681.772310]  ? rcu_read_lock_sched_held+0x14f/0x180
[  681.777324]  __do_softirq+0x308/0xb7e
[  681.781130]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  681.785619]  ? lock_downgrade+0x900/0x900
[  681.789768]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  681.794871]  ? pvclock_read_flags+0x160/0x160
[  681.799369]  ? lapic_next_event+0x5a/0x90
[  681.803512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.809050]  ? kvm_clock_read+0x18/0x30
[  681.813033]  ? kvm_sched_clock_read+0x9/0x20
[  681.817443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.822979]  ? check_preemption_disabled+0x48/0x280
[  681.827994]  irq_exit+0x17f/0x1c0
[  681.831440]  smp_apic_timer_interrupt+0x1cb/0x760
[  681.836276]  ? smp_call_function_single_interrupt+0x159/0x650
[  681.842153]  ? smp_call_function_single_interrupt+0x650/0x650
[  681.848042]  ? interrupt_entry+0xb5/0xc0
[  681.852098]  ? trace_hardirqs_off_caller+0xbb/0x310
[  681.857110]  ? trace_hardirqs_off_caller+0xbb/0x310
[  681.862120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.866958]  ? trace_hardirqs_on_caller+0x310/0x310
[  681.871967]  ? trace_hardirqs_on_caller+0x310/0x310
[  681.876979]  ? task_prio+0x50/0x50
[  681.880512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.886042]  ? check_preemption_disabled+0x48/0x280
[  681.891055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.895897]  apic_timer_interrupt+0xf/0x20
[  681.900119]  </IRQ>
[  681.902368] RIP: 0010:smp_call_function_single+0x30a/0x660
[  681.907984] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  681.926874] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  681.934573] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  681.941836] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  681.949098] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  681.956357] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  681.963619] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  681.970895]  ? smp_call_function_single+0x351/0x660
[  681.975904]  ? smp_call_function_single+0x300/0x660
[  681.980921]  ? rcu_note_context_switch+0x12ad/0x2150
[  681.986021]  ? retint_kernel+0x2d/0x2d
[  681.989904]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  681.995809]  ? generic_exec_single+0x5f0/0x5f0
[  682.000408]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  682.006285]  ? zap_class+0x640/0x640
[  682.009989]  ? smp_call_function_single+0x302/0x660
[  682.015000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.020531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.026063]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  682.031068]  ? find_next_and_bit+0x183/0x1e0
[  682.035479]  smp_call_function_many+0x911/0xae0
[  682.040142]  ? __lock_acquire+0x62f/0x4c20
[  682.044373]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  682.050253]  ? _raw_spin_unlock_irq+0x27/0x80
[  682.054967]  ? _raw_spin_unlock_irq+0x27/0x80
[  682.059458]  ? smp_call_function_single_async+0x370/0x370
[  682.064991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.070523]  ? check_preemption_disabled+0x48/0x280
[  682.075534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.081065]  ? check_preemption_disabled+0x48/0x280
[  682.086082]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  682.091961]  on_each_cpu_mask+0x41/0x240
[  682.096020]  ? x86_configure_nx+0x110/0x110
[  682.100339]  on_each_cpu_cond_mask+0x171/0x210
[  682.104923]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  682.110801]  ? on_each_cpu_mask+0x240/0x240
[  682.115128]  native_flush_tlb_others+0x2ea/0x690
[  682.119881]  ? initialize_tlbstate_and_flush+0x380/0x380
[  682.125336]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  682.130347]  ? find_next_bit+0x104/0x130
[  682.134409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.139937]  ? find_next_bit+0x104/0x130
[  682.143998]  ? cpumask_next+0x41/0x50
[  682.147791]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  682.152803]  ? cpumask_any_but+0xb1/0xe0
[  682.156860]  flush_tlb_mm_range+0x2fe/0x5d0
[  682.161178]  ? fault_around_bytes_set+0x90/0x90
[  682.165851]  ? native_flush_tlb_others+0x690/0x690
[  682.170776]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  682.176318]  ? alloc_pages_current+0x17b/0x350
[  682.180899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.186437]  ? __tlb_remove_page_size+0x187/0x500
[  682.191281]  unmap_page_range+0x1eef/0x2930
[  682.195722]  ? vm_normal_page_pmd+0x510/0x510
[  682.200217]  ? mark_held_locks+0x130/0x130
[  682.204449]  ? finish_task_switch+0x1f4/0x910
[  682.208940]  ? finish_task_switch+0x1b4/0x910
[  682.213431]  ? __switch_to_asm+0x34/0x70
[  682.217498]  ? zap_class+0x640/0x640
[  682.221205]  ? prepare_to_wait_event+0x39f/0xa10
[  682.225955]  ? tlb_table_flush+0xb4/0x5c0
[  682.230093]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  682.235191]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  682.240291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.245824]  ? tlb_flush_mmu_free+0x105/0x170
[  682.250320]  ? tlb_flush_mmu+0x58/0x520
[  682.254293]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  682.258797]  ? kasan_check_write+0x14/0x20
[  682.263026]  ? tlb_finish_mmu+0x166/0x1f0
[  682.267166]  ? tlb_gather_mmu+0x440/0x440
[  682.271831]  ? kasan_check_write+0x14/0x20
[  682.276062]  __oom_reap_task_mm+0xf7/0x410
[  682.280291]  ? process_shares_mm+0x460/0x460
[  682.284721]  oom_reaper+0x2b7/0x11e0
[  682.288441]  ? __oom_reap_task_mm+0x410/0x410
[  682.292931]  ? lock_pin_lock+0x350/0x350
[  682.296985]  ? finish_wait+0x430/0x430
[  682.300877]  ? __schedule+0x168a/0x21d0
[  682.304841]  ? __switch_to_asm+0x40/0x70
[  682.308892]  ? __switch_to_asm+0x40/0x70
[  682.312954]  ? zap_class+0x640/0x640
[  682.316670]  ? __sched_text_start+0x8/0x8
[  682.320816]  ? find_held_lock+0x36/0x1c0
[  682.324881]  ? __kthread_parkme+0xce/0x1a0
[  682.329109]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  682.334300]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  682.339401]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  682.343978]  ? trace_hardirqs_on+0xbd/0x310
[  682.348302]  ? kasan_check_read+0x11/0x20
[  682.352443]  ? __kthread_parkme+0xce/0x1a0
[  682.356673]  ? trace_hardirqs_off_caller+0x310/0x310
[  682.361771]  ? preempt_schedule+0x4d/0x60
[  682.365920]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  682.371020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.376556]  ? __kthread_parkme+0xfb/0x1a0
[  682.380789]  ? __oom_reap_task_mm+0x410/0x410
[  682.385278]  kthread+0x35a/0x440
[  682.388649]  ? kthread_stop+0x900/0x900
[  682.392618]  ret_from_fork+0x3a/0x50
[  682.396339] warn_alloc_show_mem: 1 callbacks suppressed
[  682.396348] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  682.396350] Mem-Info:
[  682.396380] active_anon:44214 inactive_anon:199 isolated_anon:0
[  682.396380]  active_file:6 inactive_file:21 isolated_file:0
[  682.396380]  unevictable:0 dirty:0 writeback:0 unstable:0
[  682.396380]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  682.396380]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  682.396380]  free:13686 free_pcp:384 free_cma:0
[  682.401709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  682.409069] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  682.411455] Call Trace:
[  682.444222] 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
[  682.453561]  <IRQ>
[  682.480854] lowmem_reserve[]: 0 2818 6321 6321
[  682.483448]  dump_stack+0x244/0x39d
[  682.509538] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  682.511680]  ? dump_stack_print_info.cold.1+0x20/0x20
[  682.516241] lowmem_reserve[]: 0 0 3503 3503
[  682.519865]  ? __wake_up+0xe/0x10
[  682.547158] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  682.552340]  warn_alloc.cold.116+0xb7/0x1bd
[  682.556628] lowmem_reserve[]: 0 0 0 0
[  682.560076]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  682.589020] 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
[  682.593339]  ? lock_downgrade+0x900/0x900
[  682.597107] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  682.601941]  ? trace_hardirqs_off+0xb8/0x310
[  682.615428] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  682.619570]  ? trace_hardirqs_off+0xb8/0x310
[  682.634715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  682.639113]  __alloc_pages_slowpath+0x2651/0x2de0
[  682.652693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  682.657107]  ? warn_alloc+0x120/0x120
[  682.665894] 271 total pagecache pages
[  682.670722]  ? print_usage_bug+0xc0/0xc0
[  682.679281] 0 pages in swap cache
[  682.683073]  ? warn_alloc+0x120/0x120
[  682.686848] Swap cache stats: add 0, delete 0, find 0/0
[  682.690894]  ? warn_alloc+0x120/0x120
[  682.694317] Free swap  = 0kB
[  682.698100]  ? print_usage_bug+0xc0/0xc0
[  682.703427] Total swap = 0kB
[  682.703435] 1965979 pages RAM
[  682.707219]  ? print_usage_bug+0xc0/0xc0
[  682.710204] 0 pages HighMem/MovableOnly
[  682.710211] 342854 pages reserved
[  682.714268]  ? __lock_acquire+0x62f/0x4c20
[  682.717264] 0 pages cma reserved
[  682.720354]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.720370]  ? should_fail+0x22d/0xd01
[  682.724450] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  682.728373]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  682.731895] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  682.736023]  ? __lock_acquire+0x62f/0x4c20
[  682.739357] oom_reaper cpuset=/ mems_allowed=0
[  682.744883]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  682.784373]  ? __lock_acquire+0x62f/0x4c20
[  682.788599]  ? should_fail+0x22d/0xd01
[  682.792481]  ? find_held_lock+0x36/0x1c0
[  682.796542]  ? mark_held_locks+0x130/0x130
[  682.800774]  ? mark_held_locks+0x130/0x130
[  682.805001]  ? zap_class+0x640/0x640
[  682.808712]  ? zap_class+0x640/0x640
[  682.812421]  ? print_usage_bug+0xc0/0xc0
[  682.816473]  ? do_raw_spin_unlock+0xa7/0x330
[  682.820873]  ? zap_class+0x640/0x640
[  682.824583]  ? print_usage_bug+0xc0/0xc0
[  682.828637]  ? wq_watchdog_touch+0x9c/0xfe
[  682.832872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.838407]  ? check_preemption_disabled+0x48/0x280
[  682.843427]  ? __lock_is_held+0xb5/0x140
[  682.847486]  __alloc_pages_nodemask+0xad8/0xea0
[  682.852153]  ? zap_class+0x640/0x640
[  682.855863]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  682.860880]  ? find_held_lock+0x36/0x1c0
[  682.864943]  ? ____cache_alloc_node+0x1c7/0x1e0
[  682.869610]  ? lock_downgrade+0x900/0x900
[  682.873760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.879294]  cache_grow_begin+0xa5/0x8c0
[  682.883347]  ? do_raw_spin_unlock+0xa7/0x330
[  682.887754]  fallback_alloc+0x204/0x2e0
[  682.891729]  ____cache_alloc_node+0x1c7/0x1e0
[  682.896221]  kmem_cache_alloc_node+0xe3/0x730
[  682.900721]  ? ipv6_get_ifaddr+0x42e/0x620
[  682.904965]  __alloc_skb+0x119/0x770
[  682.908670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  682.913943]  ? netdev_alloc_frag+0x1f0/0x1f0
[  682.918349]  ? lock_downgrade+0x900/0x900
[  682.922499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.928029]  ? refcount_sub_and_test_checked+0x203/0x310
[  682.933475]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  682.938920]  ? addrconf_rs_timer+0x690/0x690
[  682.943335]  ndisc_alloc_skb+0x144/0x340
[  682.947395]  ndisc_send_rs+0x331/0x6e0
[  682.951283]  addrconf_rs_timer+0x314/0x690
[  682.955515]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  682.959754]  call_timer_fn+0x272/0x920
[  682.963635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  682.967865]  ? process_timeout+0x40/0x40
[  682.971927]  ? __run_timers+0x7da/0xc70
[  682.975900]  ? _raw_spin_unlock_irq+0x27/0x80
[  682.980491]  ? _raw_spin_unlock_irq+0x27/0x80
[  682.984981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  682.989216]  ? lockdep_hardirqs_on+0x296/0x5b0
[  682.993798]  ? trace_hardirqs_on+0xbd/0x310
[  682.998116]  ? kasan_check_read+0x11/0x20
[  683.002263]  ? __run_timers+0x7da/0xc70
[  683.006241]  ? trace_hardirqs_off_caller+0x310/0x310
[  683.011345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  683.015581]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  683.019807]  __run_timers+0x7e5/0xc70
[  683.023607]  ? timer_fixup_init+0x70/0x70
[  683.027750]  ? lock_acquire+0x1ed/0x520
[  683.031721]  ? zap_class+0x640/0x640
[  683.035428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.040962]  ? kasan_check_read+0x11/0x20
[  683.045103]  ? do_raw_spin_lock+0x14f/0x350
[  683.049425]  ? find_held_lock+0x36/0x1c0
[  683.053485]  ? zap_class+0x640/0x640
[  683.057195]  ? pvclock_read_flags+0x160/0x160
[  683.061691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.067221]  ? check_preemption_disabled+0x48/0x280
[  683.072258]  ? __lock_is_held+0xb5/0x140
[  683.076315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.081852]  ? check_preemption_disabled+0x48/0x280
[  683.086865]  run_timer_softirq+0x52/0xb0
[  683.090923]  ? rcu_read_lock_sched_held+0x14f/0x180
[  683.095934]  __do_softirq+0x308/0xb7e
[  683.099736]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  683.104232]  ? lock_downgrade+0x900/0x900
[  683.108383]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  683.113488]  ? pvclock_read_flags+0x160/0x160
[  683.117985]  ? lapic_next_event+0x5a/0x90
[  683.122127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.127750]  ? kvm_clock_read+0x18/0x30
[  683.131718]  ? kvm_sched_clock_read+0x9/0x20
[  683.136121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.141652]  ? check_preemption_disabled+0x48/0x280
[  683.146672]  irq_exit+0x17f/0x1c0
[  683.150118]  smp_apic_timer_interrupt+0x1cb/0x760
[  683.154959]  ? smp_call_function_single_interrupt+0x159/0x650
[  683.160843]  ? smp_call_function_single_interrupt+0x650/0x650
[  683.166720]  ? interrupt_entry+0xb5/0xc0
[  683.170777]  ? trace_hardirqs_off_caller+0xbb/0x310
[  683.175784]  ? trace_hardirqs_off_caller+0xbb/0x310
[  683.180794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.185629]  ? trace_hardirqs_on_caller+0x310/0x310
[  683.190641]  ? trace_hardirqs_on_caller+0x310/0x310
[  683.195652]  ? task_prio+0x50/0x50
[  683.199186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.204722]  ? check_preemption_disabled+0x48/0x280
[  683.209736]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.214581]  apic_timer_interrupt+0xf/0x20
[  683.218806]  </IRQ>
[  683.221565] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  683.226493] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  683.245382] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  683.253083] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  683.260342] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  683.267703] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  683.275567] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  683.282832] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  683.290131]  skb_clone+0x1bb/0x500
[  683.293664]  ? finish_task_switch+0x1b4/0x910
[  683.298157]  ? skb_split+0x11e0/0x11e0
[  683.302042]  ? preempt_notifier_register+0x200/0x200
[  683.307137]  ? __switch_to_asm+0x34/0x70
[  683.311187]  ? __switch_to_asm+0x34/0x70
[  683.315248]  ? __switch_to_asm+0x40/0x70
[  683.319297]  ? __switch_to_asm+0x34/0x70
[  683.323348]  ? __switch_to_asm+0x40/0x70
[  683.327410]  ? __switch_to_asm+0x34/0x70
[  683.331463]  ? __switch_to_asm+0x40/0x70
[  683.335513]  ? __switch_to_asm+0x34/0x70
[  683.339564]  ? __switch_to_asm+0x34/0x70
[  683.343620]  ? __switch_to_asm+0x40/0x70
[  683.347671]  ? __switch_to_asm+0x34/0x70
[  683.351726]  bpf_clone_redirect+0xb9/0x490
[  683.355954]  ? __schedule+0x8d7/0x21d0
[  683.359842]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  683.364858]  ? __sched_text_start+0x8/0x8
[  683.368999]  ? retint_kernel+0x2d/0x2d
[  683.372890]  ? find_held_lock+0x36/0x1c0
[  683.376959]  ? lock_acquire+0x1ed/0x520
[  683.380928]  ? bpf_test_run+0x3ee/0x7a0
[  683.384898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.390428]  ? check_preemption_disabled+0x48/0x280
[  683.395444]  ? kasan_check_read+0x11/0x20
[  683.399585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.404855]  ? rcu_softirq_qs+0x20/0x20
[  683.408823]  ? preempt_schedule+0x4d/0x60
[  683.412972]  ? ___preempt_schedule+0x16/0x18
[  683.417379]  ? bpf_test_run+0x271/0x7a0
[  683.421359]  ? netlink_diag_dump+0x2a0/0x2a0
[  683.425763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.431297]  ? bpf_test_init.isra.10+0x70/0x100
[  683.435966]  ? bpf_prog_test_run_skb+0x762/0xd60
[  683.440723]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  683.445566]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  683.451094]  ? fput+0x130/0x1a0
[  683.454372]  ? __bpf_prog_get+0x9b/0x290
[  683.458428]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  683.463265]  ? bpf_prog_test_run+0x130/0x1a0
[  683.467700]  ? __x64_sys_bpf+0x3d8/0x520
[  683.471752]  ? bpf_prog_get+0x20/0x20
[  683.475564]  ? do_syscall_64+0x1b9/0x820
[  683.479620]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  683.484983]  ? syscall_return_slowpath+0x5e0/0x5e0
[  683.489907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.494745]  ? trace_hardirqs_on_caller+0x310/0x310
[  683.499756]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  683.504771]  ? prepare_exit_to_usermode+0x291/0x3b0
[  683.509786]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.514631]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  683.520007] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  683.520068] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  683.527026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  683.527031] Call Trace:
[  683.527037]  <IRQ>
[  683.527053]  dump_stack+0x244/0x39d
[  683.527072]  ? dump_stack_print_info.cold.1+0x20/0x20
[  683.533639] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  683.542877]  ? __wake_up+0xe/0x10
[  683.545433] syz-executor0 cpuset=syz0 mems_allowed=0
[  683.547578]  warn_alloc.cold.116+0xb7/0x1bd
[  683.579640]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  683.584478]  ? lock_downgrade+0x900/0x900
[  683.588631]  ? trace_hardirqs_off+0xb8/0x310
[  683.593051]  ? trace_hardirqs_off+0xb8/0x310
[  683.597468]  __alloc_pages_slowpath+0x2651/0x2de0
[  683.602325]  ? warn_alloc+0x120/0x120
[  683.606125]  ? print_usage_bug+0xc0/0xc0
[  683.610186]  ? warn_alloc+0x120/0x120
[  683.613988]  ? warn_alloc+0x120/0x120
[  683.617783]  ? print_usage_bug+0xc0/0xc0
[  683.621846]  ? print_usage_bug+0xc0/0xc0
[  683.625899]  ? __lock_acquire+0x62f/0x4c20
[  683.630140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.635669]  ? should_fail+0x22d/0xd01
[  683.639556]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  683.644656]  ? __lock_acquire+0x62f/0x4c20
[  683.648888]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  683.653981]  ? __lock_acquire+0x62f/0x4c20
[  683.658210]  ? should_fail+0x22d/0xd01
[  683.662100]  ? mark_held_locks+0x130/0x130
[  683.666333]  ? mark_held_locks+0x130/0x130
[  683.670559]  ? zap_class+0x640/0x640
[  683.674271]  ? zap_class+0x640/0x640
[  683.677978]  ? print_usage_bug+0xc0/0xc0
[  683.682032]  ? wq_watchdog_touch+0x9c/0xfe
[  683.686262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.691796]  ? check_preemption_disabled+0x48/0x280
[  683.696814]  ? __lock_is_held+0xb5/0x140
[  683.700873]  __alloc_pages_nodemask+0xad8/0xea0
[  683.705536]  ? zap_class+0x640/0x640
[  683.709247]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  683.714269]  ? find_held_lock+0x36/0x1c0
[  683.718332]  ? ____cache_alloc_node+0x1c7/0x1e0
[  683.722993]  ? lock_downgrade+0x900/0x900
[  683.727139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.732681]  cache_grow_begin+0xa5/0x8c0
[  683.736733]  ? do_raw_spin_unlock+0xa7/0x330
[  683.741139]  fallback_alloc+0x204/0x2e0
[  683.745120]  ____cache_alloc_node+0x1c7/0x1e0
[  683.749625]  kmem_cache_alloc_node+0xe3/0x730
[  683.754113]  ? ipv6_get_ifaddr+0x42e/0x620
[  683.758352]  __alloc_skb+0x119/0x770
[  683.762157]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.767441]  ? netdev_alloc_frag+0x1f0/0x1f0
[  683.771843]  ? lock_downgrade+0x900/0x900
[  683.775988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.781520]  ? refcount_sub_and_test_checked+0x203/0x310
[  683.786969]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  683.792414]  ? addrconf_rs_timer+0x690/0x690
[  683.796829]  ndisc_alloc_skb+0x144/0x340
[  683.800888]  ndisc_send_rs+0x331/0x6e0
[  683.804773]  addrconf_rs_timer+0x314/0x690
[  683.809008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  683.813247]  call_timer_fn+0x272/0x920
[  683.817128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  683.821362]  ? process_timeout+0x40/0x40
[  683.825432]  ? mark_held_locks+0xc7/0x130
[  683.829578]  ? _raw_spin_unlock_irq+0x27/0x80
[  683.834070]  ? _raw_spin_unlock_irq+0x27/0x80
[  683.838559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  683.842786]  ? lockdep_hardirqs_on+0x296/0x5b0
[  683.847363]  ? trace_hardirqs_on+0xbd/0x310
[  683.851679]  ? kasan_check_read+0x11/0x20
[  683.855822]  ? __run_timers+0x7da/0xc70
[  683.859792]  ? trace_hardirqs_off_caller+0x310/0x310
[  683.864898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  683.869124]  __run_timers+0x7e5/0xc70
[  683.872932]  ? timer_fixup_init+0x70/0x70
[  683.877078]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  683.882087]  ? zap_class+0x640/0x640
[  683.885798]  ? print_usage_bug+0xc0/0xc0
[  683.889855]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  683.895045]  ? find_held_lock+0x36/0x1c0
[  683.899106]  ? zap_class+0x640/0x640
[  683.902816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.908352]  ? check_preemption_disabled+0x48/0x280
[  683.913371]  ? __lock_is_held+0xb5/0x140
[  683.917431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.922976]  ? check_preemption_disabled+0x48/0x280
[  683.927993]  run_timer_softirq+0x52/0xb0
[  683.932046]  ? rcu_read_lock_sched_held+0x14f/0x180
[  683.937057]  __do_softirq+0x308/0xb7e
[  683.940853]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  683.945345]  ? lock_downgrade+0x900/0x900
[  683.949492]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  683.954612]  ? pvclock_read_flags+0x160/0x160
[  683.959106]  ? lapic_next_event+0x5a/0x90
[  683.963252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.968788]  ? kvm_clock_read+0x18/0x30
[  683.972752]  ? kvm_sched_clock_read+0x9/0x20
[  683.977166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.982697]  ? check_preemption_disabled+0x48/0x280
[  683.987713]  irq_exit+0x17f/0x1c0
[  683.991165]  smp_apic_timer_interrupt+0x1cb/0x760
[  683.996022]  ? smp_call_function_single_interrupt+0x159/0x650
[  684.001923]  ? smp_call_function_single_interrupt+0x650/0x650
[  684.007800]  ? interrupt_entry+0xb5/0xc0
[  684.011856]  ? trace_hardirqs_off_caller+0xbb/0x310
[  684.016864]  ? trace_hardirqs_off_caller+0xbb/0x310
[  684.021876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.026716]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.031726]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.036735]  ? task_prio+0x50/0x50
[  684.040273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.045803]  ? check_preemption_disabled+0x48/0x280
[  684.050821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.056183]  apic_timer_interrupt+0xf/0x20
[  684.060411]  </IRQ>
[  684.062644] RIP: 0010:smp_call_function_single+0x30a/0x660
[  684.068265] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  684.087161] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  684.094863] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  684.102123] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  684.109397] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  684.116662] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  684.123924] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  684.131196]  ? smp_call_function_single+0x351/0x660
[  684.136204]  ? smp_call_function_single+0x300/0x660
[  684.141222]  ? rcu_note_context_switch+0x12ad/0x2150
[  684.146315]  ? retint_kernel+0x2d/0x2d
[  684.150215]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  684.156093]  ? generic_exec_single+0x5f0/0x5f0
[  684.160667]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  684.166546]  ? zap_class+0x640/0x640
[  684.170255]  ? smp_call_function_single+0x302/0x660
[  684.175268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.180803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.186331]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  684.191342]  ? find_next_and_bit+0x183/0x1e0
[  684.195749]  smp_call_function_many+0x911/0xae0
[  684.200415]  ? __lock_acquire+0x62f/0x4c20
[  684.204648]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  684.210522]  ? _raw_spin_unlock_irq+0x27/0x80
[  684.215010]  ? _raw_spin_unlock_irq+0x27/0x80
[  684.219499]  ? smp_call_function_single_async+0x370/0x370
[  684.225033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.230651]  ? check_preemption_disabled+0x48/0x280
[  684.235664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.241198]  ? check_preemption_disabled+0x48/0x280
[  684.246210]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  684.252088]  on_each_cpu_mask+0x41/0x240
[  684.256150]  ? x86_configure_nx+0x110/0x110
[  684.260466]  on_each_cpu_cond_mask+0x171/0x210
[  684.265041]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  684.270918]  ? on_each_cpu_mask+0x240/0x240
[  684.275243]  native_flush_tlb_others+0x2ea/0x690
[  684.279997]  ? initialize_tlbstate_and_flush+0x380/0x380
[  684.285451]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  684.290466]  ? find_next_bit+0x104/0x130
[  684.294575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.300103]  ? find_next_bit+0x104/0x130
[  684.304167]  ? cpumask_next+0x41/0x50
[  684.308074]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  684.313086]  ? cpumask_any_but+0xb1/0xe0
[  684.317151]  flush_tlb_mm_range+0x2fe/0x5d0
[  684.321471]  ? fault_around_bytes_set+0x90/0x90
[  684.326146]  ? native_flush_tlb_others+0x690/0x690
[  684.331070]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  684.336604]  ? alloc_pages_current+0x17b/0x350
[  684.341187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.346802]  ? __tlb_remove_page_size+0x187/0x500
[  684.351646]  unmap_page_range+0x1eef/0x2930
[  684.356147]  ? vm_normal_page_pmd+0x510/0x510
[  684.360655]  ? mark_held_locks+0x130/0x130
[  684.364893]  ? finish_task_switch+0x1f4/0x910
[  684.369385]  ? finish_task_switch+0x1b4/0x910
[  684.373884]  ? __switch_to_asm+0x34/0x70
[  684.377950]  ? zap_class+0x640/0x640
[  684.381661]  ? prepare_to_wait_event+0x39f/0xa10
[  684.386408]  ? tlb_table_flush+0xb4/0x5c0
[  684.390551]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  684.395649]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  684.400747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.406290]  ? tlb_flush_mmu_free+0x105/0x170
[  684.410786]  ? tlb_flush_mmu+0x58/0x520
[  684.414762]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  684.419255]  ? kasan_check_write+0x14/0x20
[  684.423481]  ? tlb_finish_mmu+0x166/0x1f0
[  684.427623]  ? tlb_gather_mmu+0x440/0x440
[  684.431768]  ? kasan_check_write+0x14/0x20
[  684.436000]  __oom_reap_task_mm+0xf7/0x410
[  684.440230]  ? process_shares_mm+0x460/0x460
[  684.444651]  oom_reaper+0x2b7/0x11e0
[  684.448367]  ? __oom_reap_task_mm+0x410/0x410
[  684.452859]  ? lock_pin_lock+0x350/0x350
[  684.456917]  ? finish_wait+0x430/0x430
[  684.460804]  ? __schedule+0x168a/0x21d0
[  684.464769]  ? __switch_to_asm+0x40/0x70
[  684.468822]  ? __switch_to_asm+0x40/0x70
[  684.472881]  ? zap_class+0x640/0x640
[  684.476597]  ? __sched_text_start+0x8/0x8
[  684.480747]  ? find_held_lock+0x36/0x1c0
[  684.484810]  ? __kthread_parkme+0xce/0x1a0
[  684.489043]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  684.494143]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  684.499239]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  684.503818]  ? trace_hardirqs_on+0xbd/0x310
[  684.508131]  ? kasan_check_read+0x11/0x20
[  684.512275]  ? __kthread_parkme+0xce/0x1a0
[  684.516508]  ? trace_hardirqs_off_caller+0x310/0x310
[  684.521609]  ? preempt_schedule+0x4d/0x60
[  684.525753]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  684.530851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.536384]  ? __kthread_parkme+0xfb/0x1a0
[  684.540615]  ? __oom_reap_task_mm+0x410/0x410
[  684.545109]  kthread+0x35a/0x440
[  684.548479]  ? kthread_stop+0x900/0x900
[  684.552449]  ret_from_fork+0x3a/0x50
[  684.556175] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  684.556179] warn_alloc_show_mem: 1 callbacks suppressed
[  684.556185] Mem-Info:
[  684.563533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  684.568896] active_anon:44214 inactive_anon:199 isolated_anon:0
[  684.568896]  active_file:6 inactive_file:21 isolated_file:0
[  684.568896]  unevictable:0 dirty:0 writeback:0 unstable:0
[  684.568896]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  684.568896]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  684.568896]  free:13686 free_pcp:384 free_cma:0
[  684.571268] Call Trace:
[  684.580642] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  684.613390]  <IRQ>
[  684.615952] 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
[  684.643266]  dump_stack+0x244/0x39d
[  684.645384] lowmem_reserve[]: 0 2818 6321 6321
[  684.671480]  ? dump_stack_print_info.cold.1+0x20/0x20
[  684.675082] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  684.679653]  ? __wake_up+0xe/0x10
[  684.684806] lowmem_reserve[]: 0 0 3503 3503
[  684.712130]  warn_alloc.cold.116+0xb7/0x1bd
[  684.715556] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  684.719866]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  684.724160] lowmem_reserve[]: 0 0 0 0
[  684.753122]  ? lock_downgrade+0x900/0x900
[  684.757931] 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
[  684.761723]  ? trace_hardirqs_off+0xb8/0x310
[  684.765832] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  684.779355]  ? trace_hardirqs_off+0xb8/0x310
[  684.783730] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  684.798896]  __alloc_pages_slowpath+0x2651/0x2de0
[  684.803278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  684.816887]  ? warn_alloc+0x120/0x120
[  684.821678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  684.821686] 271 total pagecache pages
[  684.830506]  ? print_usage_bug+0xc0/0xc0
[  684.834282] 0 pages in swap cache
[  684.842840]  ? warn_alloc+0x120/0x120
[  684.846613] Swap cache stats: add 0, delete 0, find 0/0
[  684.850675]  ? warn_alloc+0x120/0x120
[  684.854102] Free swap  = 0kB
[  684.857886]  ? print_usage_bug+0xc0/0xc0
[  684.863220] Total swap = 0kB
[  684.867004]  ? kvm_clock_read+0x18/0x30
[  684.869991] 1965979 pages RAM
[  684.874037]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  684.877021] 0 pages HighMem/MovableOnly
[  684.877028] 342854 pages reserved
[  684.880985]  ? print_usage_bug+0xc0/0xc0
[  684.884070] 0 pages cma reserved
[  684.889077]  ? __lock_acquire+0x62f/0x4c20
[  684.893083] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  684.896464]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.900551] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  684.903849]  ? should_fail+0x22d/0xd01
[  684.908266] oom_reaper cpuset=/ mems_allowed=0
[  684.914749]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  684.944072]  ? __lock_acquire+0x62f/0x4c20
[  684.948304]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  684.953398]  ? __lock_acquire+0x62f/0x4c20
[  684.957626]  ? should_fail+0x22d/0xd01
[  684.961518]  ? mark_held_locks+0x130/0x130
[  684.965762]  ? mark_held_locks+0x130/0x130
[  684.969991]  ? try_to_wake_up+0x11c/0x1490
[  684.974221]  ? lock_downgrade+0x900/0x900
[  684.978367]  ? zap_class+0x640/0x640
[  684.982078]  ? print_usage_bug+0xc0/0xc0
[  684.986134]  ? trace_hardirqs_off+0xb8/0x310
[  684.990541]  ? kasan_check_read+0x11/0x20
[  684.994703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.000245]  ? check_preemption_disabled+0x48/0x280
[  685.005266]  ? __lock_is_held+0xb5/0x140
[  685.009342]  __alloc_pages_nodemask+0xad8/0xea0
[  685.014024]  ? zap_class+0x640/0x640
[  685.017743]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  685.022760]  ? find_held_lock+0x36/0x1c0
[  685.026835]  ? ____cache_alloc_node+0x1c7/0x1e0
[  685.031504]  ? lock_downgrade+0x900/0x900
[  685.035650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.041186]  cache_grow_begin+0xa5/0x8c0
[  685.045243]  ? do_raw_spin_unlock+0xa7/0x330
[  685.049650]  fallback_alloc+0x204/0x2e0
[  685.053625]  ____cache_alloc_node+0x1c7/0x1e0
[  685.058120]  kmem_cache_alloc_node+0xe3/0x730
[  685.062609]  ? ipv6_get_ifaddr+0x42e/0x620
[  685.066849]  __alloc_skb+0x119/0x770
[  685.070554]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.075830]  ? netdev_alloc_frag+0x1f0/0x1f0
[  685.080231]  ? lock_downgrade+0x900/0x900
[  685.084385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.089917]  ? refcount_sub_and_test_checked+0x203/0x310
[  685.095365]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  685.100812]  ? addrconf_rs_timer+0x690/0x690
[  685.105223]  ndisc_alloc_skb+0x144/0x340
[  685.109282]  ndisc_send_rs+0x331/0x6e0
[  685.113169]  addrconf_rs_timer+0x314/0x690
[  685.117427]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.121663]  call_timer_fn+0x272/0x920
[  685.125548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.129776]  ? process_timeout+0x40/0x40
[  685.133843]  ? __run_timers+0x7da/0xc70
[  685.137814]  ? _raw_spin_unlock_irq+0x27/0x80
[  685.142302]  ? _raw_spin_unlock_irq+0x27/0x80
[  685.146788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.151022]  ? lockdep_hardirqs_on+0x296/0x5b0
[  685.155694]  ? trace_hardirqs_on+0xbd/0x310
[  685.160010]  ? kasan_check_read+0x11/0x20
[  685.164154]  ? __run_timers+0x7da/0xc70
[  685.168392]  ? trace_hardirqs_off_caller+0x310/0x310
[  685.173499]  ? __queue_work+0x1440/0x1440
[  685.177904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.182129]  __run_timers+0x7e5/0xc70
[  685.185957]  ? timer_fixup_init+0x70/0x70
[  685.190105]  ? lock_acquire+0x1ed/0x520
[  685.194072]  ? zap_class+0x640/0x640
[  685.197794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.203328]  ? kasan_check_read+0x11/0x20
[  685.207468]  ? do_raw_spin_lock+0x14f/0x350
[  685.211796]  ? find_held_lock+0x36/0x1c0
[  685.215856]  ? zap_class+0x640/0x640
[  685.219566]  ? pvclock_read_flags+0x160/0x160
[  685.224594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.230131]  ? check_preemption_disabled+0x48/0x280
[  685.235153]  ? __lock_is_held+0xb5/0x140
[  685.239208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.244742]  ? check_preemption_disabled+0x48/0x280
[  685.249755]  run_timer_softirq+0x52/0xb0
[  685.253814]  ? rcu_read_lock_sched_held+0x14f/0x180
[  685.258825]  __do_softirq+0x308/0xb7e
[  685.262623]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  685.267207]  ? lock_downgrade+0x900/0x900
[  685.271354]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  685.276462]  ? pvclock_read_flags+0x160/0x160
[  685.280954]  ? lapic_next_event+0x5a/0x90
[  685.285099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.290634]  ? kvm_clock_read+0x18/0x30
[  685.294601]  ? kvm_sched_clock_read+0x9/0x20
[  685.299003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.304554]  ? check_preemption_disabled+0x48/0x280
[  685.309573]  irq_exit+0x17f/0x1c0
[  685.313030]  smp_apic_timer_interrupt+0x1cb/0x760
[  685.317866]  ? smp_call_function_single_interrupt+0x159/0x650
[  685.323743]  ? smp_call_function_single_interrupt+0x650/0x650
[  685.329622]  ? interrupt_entry+0xb5/0xc0
[  685.333678]  ? trace_hardirqs_off_caller+0xbb/0x310
[  685.338686]  ? trace_hardirqs_off_caller+0xbb/0x310
[  685.343697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.348536]  ? trace_hardirqs_on_caller+0x310/0x310
[  685.353544]  ? trace_hardirqs_on_caller+0x310/0x310
[  685.358551]  ? task_prio+0x50/0x50
[  685.362090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.367623]  ? check_preemption_disabled+0x48/0x280
[  685.372641]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.377484]  apic_timer_interrupt+0xf/0x20
[  685.381709]  </IRQ>
[  685.383947] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  685.388874] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  685.407765] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  685.415468] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  685.422730] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  685.429991] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  685.437257] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  685.444517] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  685.451816]  skb_clone+0x1bb/0x500
[  685.455352]  ? finish_task_switch+0x1b4/0x910
[  685.459842]  ? skb_split+0x11e0/0x11e0
[  685.463729]  ? preempt_notifier_register+0x200/0x200
[  685.468822]  ? __switch_to_asm+0x34/0x70
[  685.472878]  ? __switch_to_asm+0x34/0x70
[  685.476930]  ? __switch_to_asm+0x40/0x70
[  685.480984]  ? __switch_to_asm+0x34/0x70
[  685.485040]  ? __switch_to_asm+0x40/0x70
[  685.489092]  ? __switch_to_asm+0x34/0x70
[  685.493147]  ? __switch_to_asm+0x40/0x70
[  685.497202]  ? __switch_to_asm+0x34/0x70
[  685.501257]  ? __switch_to_asm+0x34/0x70
[  685.505309]  ? __switch_to_asm+0x40/0x70
[  685.509361]  ? __switch_to_asm+0x34/0x70
[  685.513417]  bpf_clone_redirect+0xb9/0x490
[  685.517645]  ? __schedule+0x8d7/0x21d0
[  685.521531]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  685.526546]  ? __sched_text_start+0x8/0x8
[  685.530687]  ? retint_kernel+0x2d/0x2d
[  685.534576]  ? find_held_lock+0x36/0x1c0
[  685.538641]  ? lock_acquire+0x1ed/0x520
[  685.542611]  ? bpf_test_run+0x3ee/0x7a0
[  685.546578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.552110]  ? check_preemption_disabled+0x48/0x280
[  685.557123]  ? kasan_check_read+0x11/0x20
[  685.561267]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.566535]  ? rcu_softirq_qs+0x20/0x20
[  685.570503]  ? preempt_schedule+0x4d/0x60
[  685.574644]  ? ___preempt_schedule+0x16/0x18
[  685.579059]  ? bpf_test_run+0x271/0x7a0
[  685.583040]  ? netlink_diag_dump+0x2a0/0x2a0
[  685.587449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.592982]  ? bpf_test_init.isra.10+0x70/0x100
[  685.597660]  ? bpf_prog_test_run_skb+0x762/0xd60
[  685.602419]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  685.607262]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  685.612793]  ? fput+0x130/0x1a0
[  685.616073]  ? __bpf_prog_get+0x9b/0x290
[  685.620132]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  685.624970]  ? bpf_prog_test_run+0x130/0x1a0
[  685.629380]  ? __x64_sys_bpf+0x3d8/0x520
[  685.633437]  ? bpf_prog_get+0x20/0x20
[  685.637247]  ? do_syscall_64+0x1b9/0x820
[  685.641301]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  685.646662]  ? syscall_return_slowpath+0x5e0/0x5e0
[  685.651582]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.656425]  ? trace_hardirqs_on_caller+0x310/0x310
[  685.661456]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  685.666468]  ? prepare_exit_to_usermode+0x291/0x3b0
[  685.671488]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.676334]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  685.681706] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  685.681774] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  685.688713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  685.688717] Call Trace:
[  685.688723]  <IRQ>
[  685.688738]  dump_stack+0x244/0x39d
[  685.688760]  ? dump_stack_print_info.cold.1+0x20/0x20
[  685.695303] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  685.704573]  ? __wake_up+0xe/0x10
[  685.707129] syz-executor0 cpuset=syz0 mems_allowed=0
[  685.709278]  warn_alloc.cold.116+0xb7/0x1bd
[  685.741328]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  685.746166]  ? lock_downgrade+0x900/0x900
[  685.750314]  ? trace_hardirqs_off+0xb8/0x310
[  685.754720]  ? trace_hardirqs_off+0xb8/0x310
[  685.759132]  __alloc_pages_slowpath+0x2651/0x2de0
[  685.763997]  ? warn_alloc+0x120/0x120
[  685.767793]  ? print_usage_bug+0xc0/0xc0
[  685.771938]  ? warn_alloc+0x120/0x120
[  685.775757]  ? warn_alloc+0x120/0x120
[  685.779552]  ? print_usage_bug+0xc0/0xc0
[  685.783621]  ? print_usage_bug+0xc0/0xc0
[  685.787679]  ? __lock_acquire+0x62f/0x4c20
[  685.791911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.797442]  ? should_fail+0x22d/0xd01
[  685.801327]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.806426]  ? __lock_acquire+0x62f/0x4c20
[  685.810677]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.815775]  ? __lock_acquire+0x62f/0x4c20
[  685.820004]  ? should_fail+0x22d/0xd01
[  685.823887]  ? find_held_lock+0x36/0x1c0
[  685.827952]  ? mark_held_locks+0x130/0x130
[  685.832192]  ? mark_held_locks+0x130/0x130
[  685.836416]  ? zap_class+0x640/0x640
[  685.840128]  ? zap_class+0x640/0x640
[  685.843835]  ? print_usage_bug+0xc0/0xc0
[  685.847889]  ? do_raw_spin_unlock+0xa7/0x330
[  685.852292]  ? zap_class+0x640/0x640
[  685.856008]  ? print_usage_bug+0xc0/0xc0
[  685.860064]  ? wq_watchdog_touch+0x9c/0xfe
[  685.864297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.869829]  ? check_preemption_disabled+0x48/0x280
[  685.874852]  ? __lock_is_held+0xb5/0x140
[  685.878913]  __alloc_pages_nodemask+0xad8/0xea0
[  685.883574]  ? zap_class+0x640/0x640
[  685.887287]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  685.892309]  ? find_held_lock+0x36/0x1c0
[  685.896370]  ? ____cache_alloc_node+0x1c7/0x1e0
[  685.901035]  ? lock_downgrade+0x900/0x900
[  685.905182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.910718]  cache_grow_begin+0xa5/0x8c0
[  685.914778]  ? do_raw_spin_unlock+0xa7/0x330
[  685.919203]  fallback_alloc+0x204/0x2e0
[  685.923178]  ____cache_alloc_node+0x1c7/0x1e0
[  685.927675]  kmem_cache_alloc_node+0xe3/0x730
[  685.932162]  ? ipv6_get_ifaddr+0x42e/0x620
[  685.936401]  __alloc_skb+0x119/0x770
[  685.940110]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.945384]  ? netdev_alloc_frag+0x1f0/0x1f0
[  685.949789]  ? lock_downgrade+0x900/0x900
[  685.953945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.959483]  ? refcount_sub_and_test_checked+0x203/0x310
[  685.964928]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  685.970370]  ? addrconf_rs_timer+0x690/0x690
[  685.974780]  ndisc_alloc_skb+0x144/0x340
[  685.978855]  ndisc_send_rs+0x331/0x6e0
[  685.982741]  addrconf_rs_timer+0x314/0x690
[  685.987000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.991243]  call_timer_fn+0x272/0x920
[  685.995127]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.999359]  ? process_timeout+0x40/0x40
[  686.003425]  ? mark_held_locks+0xc7/0x130
[  686.007567]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.012052]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.016537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  686.020772]  ? lockdep_hardirqs_on+0x296/0x5b0
[  686.025351]  ? trace_hardirqs_on+0xbd/0x310
[  686.029667]  ? kasan_check_read+0x11/0x20
[  686.033804]  ? __run_timers+0x7da/0xc70
[  686.037785]  ? trace_hardirqs_off_caller+0x310/0x310
[  686.042888]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  686.047119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  686.051344]  __run_timers+0x7e5/0xc70
[  686.055382]  ? timer_fixup_init+0x70/0x70
[  686.059527]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  686.064717]  ? zap_class+0x640/0x640
[  686.068429]  ? print_usage_bug+0xc0/0xc0
[  686.072487]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  686.077679]  ? find_held_lock+0x36/0x1c0
[  686.081739]  ? zap_class+0x640/0x640
[  686.085451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.090987]  ? check_preemption_disabled+0x48/0x280
[  686.096006]  ? __lock_is_held+0xb5/0x140
[  686.100061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.105591]  ? check_preemption_disabled+0x48/0x280
[  686.110606]  run_timer_softirq+0x52/0xb0
[  686.114665]  ? rcu_read_lock_sched_held+0x14f/0x180
[  686.119689]  __do_softirq+0x308/0xb7e
[  686.123487]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  686.127981]  ? lock_downgrade+0x900/0x900
[  686.132130]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  686.137235]  ? pvclock_read_flags+0x160/0x160
[  686.141727]  ? lapic_next_event+0x5a/0x90
[  686.145875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.151412]  ? kvm_clock_read+0x18/0x30
[  686.155383]  ? kvm_sched_clock_read+0x9/0x20
[  686.159874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.165406]  ? check_preemption_disabled+0x48/0x280
[  686.170421]  irq_exit+0x17f/0x1c0
[  686.173873]  smp_apic_timer_interrupt+0x1cb/0x760
[  686.178713]  ? smp_call_function_single_interrupt+0x159/0x650
[  686.184598]  ? smp_call_function_single_interrupt+0x650/0x650
[  686.190478]  ? interrupt_entry+0xb5/0xc0
[  686.194536]  ? trace_hardirqs_off_caller+0xbb/0x310
[  686.199544]  ? trace_hardirqs_off_caller+0xbb/0x310
[  686.204554]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  686.209661]  ? trace_hardirqs_on_caller+0x310/0x310
[  686.214682]  ? trace_hardirqs_on_caller+0x310/0x310
[  686.219690]  ? task_prio+0x50/0x50
[  686.223225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.228767]  ? check_preemption_disabled+0x48/0x280
[  686.233871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  686.238717]  apic_timer_interrupt+0xf/0x20
[  686.242952]  </IRQ>
[  686.245183] RIP: 0010:smp_call_function_single+0x30a/0x660
[  686.250803] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  686.269694] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  686.277570] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  686.284830] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  686.292095] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  686.299377] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  686.306737] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  686.314024]  ? smp_call_function_single+0x351/0x660
[  686.319033]  ? smp_call_function_single+0x300/0x660
[  686.324060]  ? rcu_note_context_switch+0x12ad/0x2150
[  686.329157]  ? retint_kernel+0x2d/0x2d
[  686.333041]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  686.339016]  ? generic_exec_single+0x5f0/0x5f0
[  686.343592]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  686.349474]  ? zap_class+0x640/0x640
[  686.353197]  ? smp_call_function_single+0x302/0x660
[  686.358217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.363753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.369284]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  686.374296]  ? find_next_and_bit+0x183/0x1e0
[  686.378715]  smp_call_function_many+0x911/0xae0
[  686.383729]  ? __lock_acquire+0x62f/0x4c20
[  686.387962]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  686.393842]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.398331]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.402913]  ? smp_call_function_single_async+0x370/0x370
[  686.408452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.414073]  ? check_preemption_disabled+0x48/0x280
[  686.419090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.424621]  ? check_preemption_disabled+0x48/0x280
[  686.429634]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  686.435513]  on_each_cpu_mask+0x41/0x240
[  686.439573]  ? x86_configure_nx+0x110/0x110
[  686.443889]  on_each_cpu_cond_mask+0x171/0x210
[  686.448471]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  686.454350]  ? on_each_cpu_mask+0x240/0x240
[  686.458677]  native_flush_tlb_others+0x2ea/0x690
[  686.463429]  ? initialize_tlbstate_and_flush+0x380/0x380
[  686.468882]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  686.473911]  ? find_next_bit+0x104/0x130
[  686.477978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.483504]  ? find_next_bit+0x104/0x130
[  686.487566]  ? cpumask_next+0x41/0x50
[  686.491359]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  686.496453]  ? cpumask_any_but+0xb1/0xe0
[  686.500513]  flush_tlb_mm_range+0x2fe/0x5d0
[  686.504828]  ? fault_around_bytes_set+0x90/0x90
[  686.509600]  ? native_flush_tlb_others+0x690/0x690
[  686.514532]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  686.520077]  ? alloc_pages_current+0x17b/0x350
[  686.524662]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.530194]  ? __tlb_remove_page_size+0x187/0x500
[  686.535035]  unmap_page_range+0x1eef/0x2930
[  686.539369]  ? vm_normal_page_pmd+0x510/0x510
[  686.543870]  ? mark_held_locks+0x130/0x130
[  686.548104]  ? finish_task_switch+0x1f4/0x910
[  686.552591]  ? finish_task_switch+0x1b4/0x910
[  686.557081]  ? __switch_to_asm+0x34/0x70
[  686.561151]  ? zap_class+0x640/0x640
[  686.564867]  ? prepare_to_wait_event+0x39f/0xa10
[  686.569614]  ? tlb_table_flush+0xb4/0x5c0
[  686.573755]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  686.578853]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  686.583954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.589480]  ? tlb_flush_mmu_free+0x105/0x170
[  686.593970]  ? tlb_flush_mmu+0x58/0x520
[  686.597942]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  686.602433]  ? kasan_check_write+0x14/0x20
[  686.606658]  ? tlb_finish_mmu+0x166/0x1f0
[  686.610801]  ? tlb_gather_mmu+0x440/0x440
[  686.614946]  ? kasan_check_write+0x14/0x20
[  686.619181]  __oom_reap_task_mm+0xf7/0x410
[  686.623411]  ? process_shares_mm+0x460/0x460
[  686.627836]  oom_reaper+0x2b7/0x11e0
[  686.631576]  ? __oom_reap_task_mm+0x410/0x410
[  686.636077]  ? lock_pin_lock+0x350/0x350
[  686.640132]  ? finish_wait+0x430/0x430
[  686.644023]  ? __schedule+0x168a/0x21d0
[  686.647989]  ? __switch_to_asm+0x40/0x70
[  686.652041]  ? __switch_to_asm+0x40/0x70
[  686.656101]  ? zap_class+0x640/0x640
[  686.659813]  ? __sched_text_start+0x8/0x8
[  686.663966]  ? find_held_lock+0x36/0x1c0
[  686.668041]  ? __kthread_parkme+0xce/0x1a0
[  686.672271]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  686.677365]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  686.682462]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  686.687042]  ? trace_hardirqs_on+0xbd/0x310
[  686.691355]  ? kasan_check_read+0x11/0x20
[  686.695495]  ? __kthread_parkme+0xce/0x1a0
[  686.699724]  ? trace_hardirqs_off_caller+0x310/0x310
[  686.704825]  ? preempt_schedule+0x4d/0x60
[  686.708981]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  686.714077]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.719606]  ? __kthread_parkme+0xfb/0x1a0
[  686.723834]  ? __oom_reap_task_mm+0x410/0x410
[  686.728324]  kthread+0x35a/0x440
[  686.731688]  ? kthread_stop+0x900/0x900
[  686.735657]  ret_from_fork+0x3a/0x50
[  686.739376] warn_alloc_show_mem: 1 callbacks suppressed
[  686.739385] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  686.739386] Mem-Info:
[  686.739416] active_anon:44214 inactive_anon:199 isolated_anon:0
[  686.739416]  active_file:6 inactive_file:21 isolated_file:0
[  686.739416]  unevictable:0 dirty:0 writeback:0 unstable:0
[  686.739416]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  686.739416]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  686.739416]  free:13686 free_pcp:384 free_cma:0
[  686.744846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  686.744853] Call Trace:
[  686.752211] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  686.754601]  <IRQ>
[  686.787367] 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
[  686.796712]  dump_stack+0x244/0x39d
[  686.799262] lowmem_reserve[]: 0 2818 6321 6321
[  686.826581]  ? dump_stack_print_info.cold.1+0x20/0x20
[  686.828701] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  686.854796]  ? __wake_up+0xe/0x10
[  686.858397] lowmem_reserve[]: 0 0 3503 3503
[  686.862972]  warn_alloc.cold.116+0xb7/0x1bd
[  686.868129] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  686.895452]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  686.898872] lowmem_reserve[]: 0 0 0 0
[  686.903190]  ? lock_downgrade+0x900/0x900
[  686.907480] 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
[  686.936446]  ? trace_hardirqs_off+0xb8/0x310
[  686.941255] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  686.945049]  ? trace_hardirqs_off+0xb8/0x310
[  686.949164] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  686.962677]  __alloc_pages_slowpath+0x2651/0x2de0
[  686.967061] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  686.982238]  ? warn_alloc+0x120/0x120
[  686.986607] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  687.000196]  ? print_usage_bug+0xc0/0xc0
[  687.005008] 271 total pagecache pages
[  687.013828]  ? warn_alloc+0x120/0x120
[  687.017606] 0 pages in swap cache
[  687.026195]  ? warn_alloc+0x120/0x120
[  687.030227] Swap cache stats: add 0, delete 0, find 0/0
[  687.030234] Free swap  = 0kB
[  687.034021]  ? print_usage_bug+0xc0/0xc0
[  687.037792] Total swap = 0kB
[  687.041234]  ? kvm_clock_read+0x18/0x30
[  687.045004] 1965979 pages RAM
[  687.050354]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  687.053341] 0 pages HighMem/MovableOnly
[  687.053354] 342854 pages reserved
[  687.057396]  ? print_usage_bug+0xc0/0xc0
[  687.060384] 0 pages cma reserved
[  687.064347]  ? __lock_acquire+0x62f/0x4c20
[  687.067481] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  687.072439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.076495] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  687.079832]  ? should_fail+0x22d/0xd01
[  687.083869] oom_reaper cpuset=/ mems_allowed=0
[  687.087214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  687.087231]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  687.132512]  ? __lock_acquire+0x62f/0x4c20
[  687.136743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  687.141840]  ? __lock_acquire+0x62f/0x4c20
[  687.146073]  ? should_fail+0x22d/0xd01
[  687.149954]  ? rcu_irq_exit+0x1a2/0x390
[  687.153931]  ? mark_held_locks+0x130/0x130
[  687.158165]  ? mark_held_locks+0x130/0x130
[  687.162400]  ? mark_held_locks+0xc7/0x130
[  687.166545]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  687.171558]  ? zap_class+0x640/0x640
[  687.175265]  ? print_usage_bug+0xc0/0xc0
[  687.179323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.184861]  ? check_preemption_disabled+0x48/0x280
[  687.189883]  ? __lock_is_held+0xb5/0x140
[  687.193952]  __alloc_pages_nodemask+0xad8/0xea0
[  687.198627]  ? zap_class+0x640/0x640
[  687.202339]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  687.207361]  ? find_held_lock+0x36/0x1c0
[  687.211424]  ? ____cache_alloc_node+0x1c7/0x1e0
[  687.216087]  ? lock_downgrade+0x900/0x900
[  687.220678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.226219]  cache_grow_begin+0xa5/0x8c0
[  687.230273]  ? do_raw_spin_unlock+0xa7/0x330
[  687.234680]  fallback_alloc+0x204/0x2e0
[  687.238657]  ____cache_alloc_node+0x1c7/0x1e0
[  687.243155]  kmem_cache_alloc_node+0xe3/0x730
[  687.247647]  ? ipv6_get_ifaddr+0x42e/0x620
[  687.251888]  __alloc_skb+0x119/0x770
[  687.255593]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  687.260968]  ? netdev_alloc_frag+0x1f0/0x1f0
[  687.265373]  ? lock_downgrade+0x900/0x900
[  687.269522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.275684]  ? refcount_sub_and_test_checked+0x203/0x310
[  687.281135]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  687.286582]  ? addrconf_rs_timer+0x690/0x690
[  687.291002]  ndisc_alloc_skb+0x144/0x340
[  687.295066]  ndisc_send_rs+0x331/0x6e0
[  687.298956]  addrconf_rs_timer+0x314/0x690
[  687.303189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  687.307425]  call_timer_fn+0x272/0x920
[  687.311303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  687.315532]  ? process_timeout+0x40/0x40
[  687.319600]  ? __run_timers+0x7da/0xc70
[  687.323570]  ? _raw_spin_unlock_irq+0x27/0x80
[  687.328059]  ? _raw_spin_unlock_irq+0x27/0x80
[  687.332547]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  687.336774]  ? lockdep_hardirqs_on+0x296/0x5b0
[  687.341351]  ? trace_hardirqs_on+0xbd/0x310
[  687.345667]  ? kasan_check_read+0x11/0x20
[  687.349806]  ? __run_timers+0x7da/0xc70
[  687.353785]  ? trace_hardirqs_off_caller+0x310/0x310
[  687.358885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  687.363121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  687.367347]  __run_timers+0x7e5/0xc70
[  687.371151]  ? timer_fixup_init+0x70/0x70
[  687.375296]  ? lock_acquire+0x1ed/0x520
[  687.379264]  ? zap_class+0x640/0x640
[  687.382975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.388509]  ? kasan_check_read+0x11/0x20
[  687.392647]  ? do_raw_spin_lock+0x14f/0x350
[  687.396972]  ? find_held_lock+0x36/0x1c0
[  687.401033]  ? zap_class+0x640/0x640
[  687.404746]  ? pvclock_read_flags+0x160/0x160
[  687.409561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.415097]  ? check_preemption_disabled+0x48/0x280
[  687.420117]  ? __lock_is_held+0xb5/0x140
[  687.424176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.429707]  ? check_preemption_disabled+0x48/0x280
[  687.434721]  run_timer_softirq+0x52/0xb0
[  687.438780]  ? rcu_read_lock_sched_held+0x14f/0x180
[  687.443793]  __do_softirq+0x308/0xb7e
[  687.447593]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  687.452084]  ? lock_downgrade+0x900/0x900
[  687.456229]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  687.461329]  ? pvclock_read_flags+0x160/0x160
[  687.465819]  ? lapic_next_event+0x5a/0x90
[  687.469969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.475505]  ? kvm_clock_read+0x18/0x30
[  687.479473]  ? kvm_sched_clock_read+0x9/0x20
[  687.483877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.489407]  ? check_preemption_disabled+0x48/0x280
[  687.494425]  irq_exit+0x17f/0x1c0
[  687.497877]  smp_apic_timer_interrupt+0x1cb/0x760
[  687.502714]  ? smp_call_function_single_interrupt+0x159/0x650
[  687.508599]  ? smp_call_function_single_interrupt+0x650/0x650
[  687.514478]  ? interrupt_entry+0xb5/0xc0
[  687.518534]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.523548]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.528560]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.533398]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.538406]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.543413]  ? task_prio+0x50/0x50
[  687.546952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.552490]  ? check_preemption_disabled+0x48/0x280
[  687.557509]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.562353]  apic_timer_interrupt+0xf/0x20
[  687.566585]  </IRQ>
[  687.568827] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  687.573750] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  687.592825] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  687.600524] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  687.607788] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  687.615066] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  687.622326] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  687.629588] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  687.636880]  skb_clone+0x1bb/0x500
[  687.640416]  ? finish_task_switch+0x1b4/0x910
[  687.644996]  ? skb_split+0x11e0/0x11e0
[  687.648878]  ? preempt_notifier_register+0x200/0x200
[  687.653974]  ? __switch_to_asm+0x34/0x70
[  687.658027]  ? __switch_to_asm+0x34/0x70
[  687.662080]  ? __switch_to_asm+0x40/0x70
[  687.666142]  ? __switch_to_asm+0x34/0x70
[  687.670195]  ? __switch_to_asm+0x40/0x70
[  687.674245]  ? __switch_to_asm+0x34/0x70
[  687.678300]  ? __switch_to_asm+0x40/0x70
[  687.682352]  ? __switch_to_asm+0x34/0x70
[  687.686412]  ? __switch_to_asm+0x34/0x70
[  687.690466]  ? __switch_to_asm+0x40/0x70
[  687.694521]  ? __switch_to_asm+0x34/0x70
[  687.698582]  bpf_clone_redirect+0xb9/0x490
[  687.702821]  ? __schedule+0x8d7/0x21d0
[  687.706705]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  687.711717]  ? __sched_text_start+0x8/0x8
[  687.715861]  ? retint_kernel+0x2d/0x2d
[  687.719750]  ? find_held_lock+0x36/0x1c0
[  687.723820]  ? lock_acquire+0x1ed/0x520
[  687.727789]  ? bpf_test_run+0x3ee/0x7a0
[  687.731762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.737292]  ? check_preemption_disabled+0x48/0x280
[  687.742305]  ? kasan_check_read+0x11/0x20
[  687.746446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  687.751717]  ? rcu_softirq_qs+0x20/0x20
[  687.755693]  ? preempt_schedule+0x4d/0x60
[  687.759838]  ? ___preempt_schedule+0x16/0x18
[  687.764247]  ? bpf_test_run+0x271/0x7a0
[  687.768226]  ? netlink_diag_dump+0x2a0/0x2a0
[  687.772634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.778172]  ? bpf_test_init.isra.10+0x70/0x100
[  687.782840]  ? bpf_prog_test_run_skb+0x762/0xd60
[  687.787599]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  687.792438]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  687.797969]  ? fput+0x130/0x1a0
[  687.801249]  ? __bpf_prog_get+0x9b/0x290
[  687.805310]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  687.810150]  ? bpf_prog_test_run+0x130/0x1a0
[  687.814648]  ? __x64_sys_bpf+0x3d8/0x520
[  687.818706]  ? bpf_prog_get+0x20/0x20
[  687.822518]  ? do_syscall_64+0x1b9/0x820
[  687.826575]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  687.831933]  ? syscall_return_slowpath+0x5e0/0x5e0
[  687.836859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.841695]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.846705]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  687.851714]  ? prepare_exit_to_usermode+0x291/0x3b0
[  687.856731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.861575]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  687.866951] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  687.867008] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  687.873958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  687.873963] Call Trace:
[  687.873968]  <IRQ>
[  687.873983]  dump_stack+0x244/0x39d
[  687.874003]  ? dump_stack_print_info.cold.1+0x20/0x20
[  687.880518] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  687.889898]  ? __wake_up+0xe/0x10
[  687.892457] syz-executor0 cpuset=syz0 mems_allowed=0
[  687.894604]  warn_alloc.cold.116+0xb7/0x1bd
[  687.926664]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  687.931511]  ? lock_downgrade+0x900/0x900
[  687.935660]  ? trace_hardirqs_off+0xb8/0x310
[  687.940073]  ? trace_hardirqs_off+0xb8/0x310
[  687.944492]  __alloc_pages_slowpath+0x2651/0x2de0
[  687.949350]  ? warn_alloc+0x120/0x120
[  687.953150]  ? print_usage_bug+0xc0/0xc0
[  687.957204]  ? warn_alloc+0x120/0x120
[  687.961000]  ? warn_alloc+0x120/0x120
[  687.964801]  ? print_usage_bug+0xc0/0xc0
[  687.968859]  ? kvm_clock_read+0x18/0x30
[  687.972840]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  687.977854]  ? print_usage_bug+0xc0/0xc0
[  687.981914]  ? __lock_acquire+0x62f/0x4c20
[  687.986150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.991681]  ? should_fail+0x22d/0xd01
[  687.995566]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  688.000665]  ? __lock_acquire+0x62f/0x4c20
[  688.004901]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  688.009999]  ? __lock_acquire+0x62f/0x4c20
[  688.014230]  ? should_fail+0x22d/0xd01
[  688.018122]  ? mark_held_locks+0x130/0x130
[  688.022353]  ? mark_held_locks+0x130/0x130
[  688.026587]  ? try_to_wake_up+0x11c/0x1490
[  688.030908]  ? zap_class+0x640/0x640
[  688.034614]  ? print_usage_bug+0xc0/0xc0
[  688.038666]  ? trace_hardirqs_off+0xb8/0x310
[  688.043070]  ? kasan_check_read+0x11/0x20
[  688.047217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.053019]  ? check_preemption_disabled+0x48/0x280
[  688.058049]  ? __lock_is_held+0xb5/0x140
[  688.062113]  __alloc_pages_nodemask+0xad8/0xea0
[  688.066779]  ? zap_class+0x640/0x640
[  688.070494]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  688.075514]  ? find_held_lock+0x36/0x1c0
[  688.079582]  ? ____cache_alloc_node+0x1c7/0x1e0
[  688.084251]  ? lock_downgrade+0x900/0x900
[  688.088401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.093937]  cache_grow_begin+0xa5/0x8c0
[  688.097989]  ? do_raw_spin_unlock+0xa7/0x330
[  688.102396]  fallback_alloc+0x204/0x2e0
[  688.106371]  ____cache_alloc_node+0x1c7/0x1e0
[  688.110863]  kmem_cache_alloc_node+0xe3/0x730
[  688.115354]  ? ipv6_get_ifaddr+0x42e/0x620
[  688.119855]  __alloc_skb+0x119/0x770
[  688.123562]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.128851]  ? netdev_alloc_frag+0x1f0/0x1f0
[  688.133271]  ? lock_downgrade+0x900/0x900
[  688.137424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.142960]  ? refcount_sub_and_test_checked+0x203/0x310
[  688.148407]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  688.153859]  ? addrconf_rs_timer+0x690/0x690
[  688.158272]  ndisc_alloc_skb+0x144/0x340
[  688.162333]  ndisc_send_rs+0x331/0x6e0
[  688.166227]  addrconf_rs_timer+0x314/0x690
[  688.170460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  688.174698]  call_timer_fn+0x272/0x920
[  688.178584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  688.182815]  ? process_timeout+0x40/0x40
[  688.186882]  ? mark_held_locks+0xc7/0x130
[  688.191047]  ? _raw_spin_unlock_irq+0x27/0x80
[  688.195534]  ? _raw_spin_unlock_irq+0x27/0x80
[  688.200109]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  688.204338]  ? lockdep_hardirqs_on+0x296/0x5b0
[  688.208915]  ? trace_hardirqs_on+0xbd/0x310
[  688.213234]  ? kasan_check_read+0x11/0x20
[  688.217372]  ? __run_timers+0x7da/0xc70
[  688.221339]  ? trace_hardirqs_off_caller+0x310/0x310
[  688.226447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  688.230671]  __run_timers+0x7e5/0xc70
[  688.234473]  ? timer_fixup_init+0x70/0x70
[  688.238616]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  688.243625]  ? zap_class+0x640/0x640
[  688.247339]  ? print_usage_bug+0xc0/0xc0
[  688.251394]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  688.256583]  ? find_held_lock+0x36/0x1c0
[  688.260645]  ? zap_class+0x640/0x640
[  688.264358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.269888]  ? check_preemption_disabled+0x48/0x280
[  688.274906]  ? __lock_is_held+0xb5/0x140
[  688.278961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.284494]  ? check_preemption_disabled+0x48/0x280
[  688.289509]  run_timer_softirq+0x52/0xb0
[  688.293563]  ? rcu_read_lock_sched_held+0x14f/0x180
[  688.298573]  __do_softirq+0x308/0xb7e
[  688.302368]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  688.306854]  ? lock_downgrade+0x900/0x900
[  688.311003]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  688.316111]  ? pvclock_read_flags+0x160/0x160
[  688.320605]  ? lapic_next_event+0x5a/0x90
[  688.324755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.330294]  ? kvm_clock_read+0x18/0x30
[  688.334259]  ? kvm_sched_clock_read+0x9/0x20
[  688.338661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.344195]  ? check_preemption_disabled+0x48/0x280
[  688.349217]  irq_exit+0x17f/0x1c0
[  688.352663]  smp_apic_timer_interrupt+0x1cb/0x760
[  688.357499]  ? smp_call_function_single_interrupt+0x159/0x650
[  688.363379]  ? smp_call_function_single_interrupt+0x650/0x650
[  688.369259]  ? interrupt_entry+0xb5/0xc0
[  688.373312]  ? trace_hardirqs_off_caller+0xbb/0x310
[  688.378327]  ? trace_hardirqs_off_caller+0xbb/0x310
[  688.383338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  688.388186]  ? trace_hardirqs_on_caller+0x310/0x310
[  688.393197]  ? trace_hardirqs_on_caller+0x310/0x310
[  688.398206]  ? task_prio+0x50/0x50
[  688.401752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.407282]  ? check_preemption_disabled+0x48/0x280
[  688.412295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  688.417137]  apic_timer_interrupt+0xf/0x20
[  688.421360]  </IRQ>
[  688.423590] RIP: 0010:smp_call_function_single+0x30a/0x660
[  688.429210] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  688.448101] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  688.455806] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  688.463066] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  688.470327] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  688.477589] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  688.484848] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  688.492121]  ? smp_call_function_single+0x351/0x660
[  688.497135]  ? smp_call_function_single+0x300/0x660
[  688.502151]  ? rcu_note_context_switch+0x12ad/0x2150
[  688.507248]  ? retint_kernel+0x2d/0x2d
[  688.511128]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  688.517015]  ? generic_exec_single+0x5f0/0x5f0
[  688.521594]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  688.527473]  ? zap_class+0x640/0x640
[  688.531181]  ? smp_call_function_single+0x302/0x660
[  688.536191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.541724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.547259]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  688.552265]  ? find_next_and_bit+0x183/0x1e0
[  688.556673]  smp_call_function_many+0x911/0xae0
[  688.561355]  ? __lock_acquire+0x62f/0x4c20
[  688.565589]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  688.571467]  ? _raw_spin_unlock_irq+0x27/0x80
[  688.575953]  ? _raw_spin_unlock_irq+0x27/0x80
[  688.580447]  ? smp_call_function_single_async+0x370/0x370
[  688.585978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.591515]  ? check_preemption_disabled+0x48/0x280
[  688.596528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.602063]  ? check_preemption_disabled+0x48/0x280
[  688.607078]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  688.612953]  on_each_cpu_mask+0x41/0x240
[  688.617013]  ? x86_configure_nx+0x110/0x110
[  688.621328]  on_each_cpu_cond_mask+0x171/0x210
[  688.625903]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  688.631783]  ? on_each_cpu_mask+0x240/0x240
[  688.636107]  native_flush_tlb_others+0x2ea/0x690
[  688.640857]  ? initialize_tlbstate_and_flush+0x380/0x380
[  688.646305]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  688.651315]  ? find_next_bit+0x104/0x130
[  688.655376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.660904]  ? find_next_bit+0x104/0x130
[  688.664960]  ? cpumask_next+0x41/0x50
[  688.668758]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  688.673770]  ? cpumask_any_but+0xb1/0xe0
[  688.677828]  flush_tlb_mm_range+0x2fe/0x5d0
[  688.682145]  ? fault_around_bytes_set+0x90/0x90
[  688.686814]  ? native_flush_tlb_others+0x690/0x690
[  688.691744]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  688.697284]  ? alloc_pages_current+0x17b/0x350
[  688.701863]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.707392]  ? __tlb_remove_page_size+0x187/0x500
[  688.712235]  unmap_page_range+0x1eef/0x2930
[  688.716568]  ? vm_normal_page_pmd+0x510/0x510
[  688.721061]  ? mark_held_locks+0x130/0x130
[  688.725292]  ? finish_task_switch+0x1f4/0x910
[  688.729783]  ? finish_task_switch+0x1b4/0x910
[  688.734283]  ? __switch_to_asm+0x34/0x70
[  688.738350]  ? zap_class+0x640/0x640
[  688.742062]  ? prepare_to_wait_event+0x39f/0xa10
[  688.746816]  ? tlb_table_flush+0xb4/0x5c0
[  688.750964]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  688.756063]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  688.761164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.766699]  ? tlb_flush_mmu_free+0x105/0x170
[  688.771202]  ? tlb_flush_mmu+0x58/0x520
[  688.775178]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  688.779670]  ? kasan_check_write+0x14/0x20
[  688.783895]  ? tlb_finish_mmu+0x166/0x1f0
[  688.788044]  ? tlb_gather_mmu+0x440/0x440
[  688.792190]  ? kasan_check_write+0x14/0x20
[  688.796422]  __oom_reap_task_mm+0xf7/0x410
[  688.800664]  ? process_shares_mm+0x460/0x460
[  688.805092]  oom_reaper+0x2b7/0x11e0
[  688.808805]  ? __oom_reap_task_mm+0x410/0x410
[  688.813386]  ? lock_pin_lock+0x350/0x350
[  688.817441]  ? finish_wait+0x430/0x430
[  688.821329]  ? __schedule+0x168a/0x21d0
[  688.825296]  ? __switch_to_asm+0x40/0x70
[  688.829352]  ? __switch_to_asm+0x40/0x70
[  688.833412]  ? zap_class+0x640/0x640
[  688.837129]  ? __sched_text_start+0x8/0x8
[  688.841277]  ? find_held_lock+0x36/0x1c0
[  688.845340]  ? __kthread_parkme+0xce/0x1a0
[  688.849568]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  688.854676]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  688.859804]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  688.864379]  ? trace_hardirqs_on+0xbd/0x310
[  688.868710]  ? kasan_check_read+0x11/0x20
[  688.872865]  ? __kthread_parkme+0xce/0x1a0
[  688.877093]  ? trace_hardirqs_off_caller+0x310/0x310
[  688.882198]  ? preempt_schedule+0x4d/0x60
[  688.886341]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  688.891438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.896976]  ? __kthread_parkme+0xfb/0x1a0
[  688.901219]  ? __oom_reap_task_mm+0x410/0x410
[  688.905718]  kthread+0x35a/0x440
[  688.909082]  ? kthread_stop+0x900/0x900
[  688.913053]  ret_from_fork+0x3a/0x50
[  688.916771] warn_alloc_show_mem: 1 callbacks suppressed
[  688.916780] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  688.916781] Mem-Info:
[  688.916812] active_anon:44214 inactive_anon:199 isolated_anon:0
[  688.916812]  active_file:6 inactive_file:21 isolated_file:0
[  688.916812]  unevictable:0 dirty:0 writeback:0 unstable:0
[  688.916812]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  688.916812]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  688.916812]  free:13686 free_pcp:384 free_cma:0
[  688.922147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  688.922154] Call Trace:
[  688.929513] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  688.931901]  <IRQ>
[  688.964669] 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
[  688.974026]  dump_stack+0x244/0x39d
[  688.976583] lowmem_reserve[]: 0 2818 6321 6321
[  689.003895]  ? dump_stack_print_info.cold.1+0x20/0x20
[  689.006018] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  689.032119]  ? __wake_up+0xe/0x10
[  689.035723] lowmem_reserve[]: 0 0 3503 3503
[  689.040300]  warn_alloc.cold.116+0xb7/0x1bd
[  689.045454] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  689.072765]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  689.076190] lowmem_reserve[]: 0 0 0 0
[  689.080501]  ? lock_downgrade+0x900/0x900
[  689.084806] 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
[  689.113771]  ? trace_hardirqs_off+0xb8/0x310
[  689.118581] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  689.122372]  ? trace_hardirqs_off+0xb8/0x310
[  689.126487] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  689.140091]  __alloc_pages_slowpath+0x2651/0x2de0
[  689.144470] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  689.159641]  ? warn_alloc+0x120/0x120
[  689.164007] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  689.177594]  ? print_usage_bug+0xc0/0xc0
[  689.182407] 271 total pagecache pages
[  689.191229]  ? warn_alloc+0x120/0x120
[  689.195006] 0 pages in swap cache
[  689.203562]  ? warn_alloc+0x120/0x120
[  689.207602] Swap cache stats: add 0, delete 0, find 0/0
[  689.211387]  ? print_usage_bug+0xc0/0xc0
[  689.215155] Free swap  = 0kB
[  689.218596]  ? print_usage_bug+0xc0/0xc0
[  689.222679] Total swap = 0kB
[  689.222687] 1965979 pages RAM
[  689.228044]  ? __lock_acquire+0x62f/0x4c20
[  689.232074] 0 pages HighMem/MovableOnly
[  689.235085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  689.239105] 342854 pages reserved
[  689.239112] 0 pages cma reserved
[  689.242119]  ? should_fail+0x22d/0xd01
[  689.245242] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  689.249414]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  689.253439] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  689.258885]  ? __lock_acquire+0x62f/0x4c20
[  689.262309] oom_reaper cpuset=/ mems_allowed=0
[  689.265670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  689.305144]  ? __lock_acquire+0x62f/0x4c20
[  689.309369]  ? should_fail+0x22d/0xd01
[  689.313249]  ? find_held_lock+0x36/0x1c0
[  689.317313]  ? mark_held_locks+0x130/0x130
[  689.321547]  ? mark_held_locks+0x130/0x130
[  689.325775]  ? zap_class+0x640/0x640
[  689.329495]  ? zap_class+0x640/0x640
[  689.333205]  ? print_usage_bug+0xc0/0xc0
[  689.337256]  ? do_raw_spin_unlock+0xa7/0x330
[  689.341669]  ? zap_class+0x640/0x640
[  689.345375]  ? print_usage_bug+0xc0/0xc0
[  689.349435]  ? wq_watchdog_touch+0x9c/0xfe
[  689.353676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.359211]  ? check_preemption_disabled+0x48/0x280
[  689.364227]  ? __lock_is_held+0xb5/0x140
[  689.368284]  __alloc_pages_nodemask+0xad8/0xea0
[  689.372948]  ? zap_class+0x640/0x640
[  689.376666]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  689.381696]  ? find_held_lock+0x36/0x1c0
[  689.385758]  ? ____cache_alloc_node+0x1c7/0x1e0
[  689.390424]  ? lock_downgrade+0x900/0x900
[  689.394570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.400105]  cache_grow_begin+0xa5/0x8c0
[  689.404157]  ? do_raw_spin_unlock+0xa7/0x330
[  689.408569]  fallback_alloc+0x204/0x2e0
[  689.412551]  ____cache_alloc_node+0x1c7/0x1e0
[  689.417046]  kmem_cache_alloc_node+0xe3/0x730
[  689.421539]  ? ipv6_get_ifaddr+0x42e/0x620
[  689.425863]  __alloc_skb+0x119/0x770
[  689.429570]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  689.434848]  ? netdev_alloc_frag+0x1f0/0x1f0
[  689.439256]  ? lock_downgrade+0x900/0x900
[  689.443415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.448949]  ? refcount_sub_and_test_checked+0x203/0x310
[  689.454395]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  689.459847]  ? addrconf_rs_timer+0x690/0x690
[  689.464259]  ndisc_alloc_skb+0x144/0x340
[  689.468318]  ndisc_send_rs+0x331/0x6e0
[  689.472202]  addrconf_rs_timer+0x314/0x690
[  689.476436]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.480684]  call_timer_fn+0x272/0x920
[  689.484563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.488798]  ? process_timeout+0x40/0x40
[  689.492858]  ? __run_timers+0x7da/0xc70
[  689.496826]  ? _raw_spin_unlock_irq+0x27/0x80
[  689.501318]  ? _raw_spin_unlock_irq+0x27/0x80
[  689.505805]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.510035]  ? lockdep_hardirqs_on+0x296/0x5b0
[  689.514612]  ? trace_hardirqs_on+0xbd/0x310
[  689.518937]  ? kasan_check_read+0x11/0x20
[  689.523077]  ? __run_timers+0x7da/0xc70
[  689.527052]  ? trace_hardirqs_off_caller+0x310/0x310
[  689.532153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.536386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.540615]  __run_timers+0x7e5/0xc70
[  689.544427]  ? timer_fixup_init+0x70/0x70
[  689.548571]  ? lock_acquire+0x1ed/0x520
[  689.552539]  ? zap_class+0x640/0x640
[  689.556248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.561787]  ? kasan_check_read+0x11/0x20
[  689.565925]  ? do_raw_spin_lock+0x14f/0x350
[  689.570247]  ? find_held_lock+0x36/0x1c0
[  689.574306]  ? zap_class+0x640/0x640
[  689.578021]  ? pvclock_read_flags+0x160/0x160
[  689.582516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.588047]  ? check_preemption_disabled+0x48/0x280
[  689.593067]  ? __lock_is_held+0xb5/0x140
[  689.597127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.602666]  ? check_preemption_disabled+0x48/0x280
[  689.607678]  run_timer_softirq+0x52/0xb0
[  689.611744]  ? rcu_read_lock_sched_held+0x14f/0x180
[  689.616756]  __do_softirq+0x308/0xb7e
[  689.620557]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  689.625046]  ? lock_downgrade+0x900/0x900
[  689.629190]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  689.634291]  ? pvclock_read_flags+0x160/0x160
[  689.638786]  ? lapic_next_event+0x5a/0x90
[  689.642934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.648471]  ? kvm_clock_read+0x18/0x30
[  689.652440]  ? kvm_sched_clock_read+0x9/0x20
[  689.656842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.662376]  ? check_preemption_disabled+0x48/0x280
[  689.667407]  irq_exit+0x17f/0x1c0
[  689.670856]  smp_apic_timer_interrupt+0x1cb/0x760
[  689.675691]  ? smp_call_function_single_interrupt+0x159/0x650
[  689.681569]  ? smp_call_function_single_interrupt+0x650/0x650
[  689.687445]  ? interrupt_entry+0xb5/0xc0
[  689.691501]  ? trace_hardirqs_off_caller+0xbb/0x310
[  689.696514]  ? trace_hardirqs_off_caller+0xbb/0x310
[  689.701525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.706364]  ? trace_hardirqs_on_caller+0x310/0x310
[  689.711376]  ? trace_hardirqs_on_caller+0x310/0x310
[  689.716392]  ? task_prio+0x50/0x50
[  689.719928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.725463]  ? check_preemption_disabled+0x48/0x280
[  689.730476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.735321]  apic_timer_interrupt+0xf/0x20
[  689.739543]  </IRQ>
[  689.741778] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  689.746706] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  689.765598] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  689.773307] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  689.780589] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  689.787855] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  689.795118] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  689.802384] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  689.809679]  skb_clone+0x1bb/0x500
[  689.813211]  ? finish_task_switch+0x1b4/0x910
[  689.817700]  ? skb_split+0x11e0/0x11e0
[  689.821584]  ? preempt_notifier_register+0x200/0x200
[  689.826684]  ? __switch_to_asm+0x34/0x70
[  689.830740]  ? __switch_to_asm+0x34/0x70
[  689.834794]  ? __switch_to_asm+0x40/0x70
[  689.838847]  ? __switch_to_asm+0x34/0x70
[  689.842899]  ? __switch_to_asm+0x40/0x70
[  689.846951]  ? __switch_to_asm+0x34/0x70
[  689.851003]  ? __switch_to_asm+0x40/0x70
[  689.855066]  ? __switch_to_asm+0x34/0x70
[  689.859122]  ? __switch_to_asm+0x34/0x70
[  689.863175]  ? __switch_to_asm+0x40/0x70
[  689.867231]  ? __switch_to_asm+0x34/0x70
[  689.871292]  bpf_clone_redirect+0xb9/0x490
[  689.875520]  ? __schedule+0x8d7/0x21d0
[  689.879407]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  689.884423]  ? __sched_text_start+0x8/0x8
[  689.888563]  ? retint_kernel+0x2d/0x2d
[  689.892455]  ? find_held_lock+0x36/0x1c0
[  689.896521]  ? lock_acquire+0x1ed/0x520
[  689.900490]  ? bpf_test_run+0x3ee/0x7a0
[  689.904457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.909988]  ? check_preemption_disabled+0x48/0x280
[  689.915011]  ? kasan_check_read+0x11/0x20
[  689.919155]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  689.924427]  ? rcu_softirq_qs+0x20/0x20
[  689.928393]  ? preempt_schedule+0x4d/0x60
[  689.932539]  ? ___preempt_schedule+0x16/0x18
[  689.936949]  ? bpf_test_run+0x271/0x7a0
[  689.940926]  ? netlink_diag_dump+0x2a0/0x2a0
[  689.945330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  689.950862]  ? bpf_test_init.isra.10+0x70/0x100
[  689.955528]  ? bpf_prog_test_run_skb+0x762/0xd60
[  689.960285]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  689.965128]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  689.970661]  ? fput+0x130/0x1a0
[  689.973938]  ? __bpf_prog_get+0x9b/0x290
[  689.977993]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  689.982833]  ? bpf_prog_test_run+0x130/0x1a0
[  689.987238]  ? __x64_sys_bpf+0x3d8/0x520
[  689.991294]  ? bpf_prog_get+0x20/0x20
[  689.995107]  ? do_syscall_64+0x1b9/0x820
[  689.999160]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  690.004518]  ? syscall_return_slowpath+0x5e0/0x5e0
[  690.009439]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.014278]  ? trace_hardirqs_on_caller+0x310/0x310
[  690.019286]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  690.024301]  ? prepare_exit_to_usermode+0x291/0x3b0
[  690.029315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.034160]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  690.039535] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  690.039598] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  690.046541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  690.046546] Call Trace:
[  690.046552]  <IRQ>
[  690.046567]  dump_stack+0x244/0x39d
[  690.046586]  ? dump_stack_print_info.cold.1+0x20/0x20
[  690.053359] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  690.062617]  ? __wake_up+0xe/0x10
[  690.065171] syz-executor0 cpuset=syz0 mems_allowed=0
[  690.067315]  warn_alloc.cold.116+0xb7/0x1bd
[  690.099561]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  690.104407]  ? lock_downgrade+0x900/0x900
[  690.108561]  ? trace_hardirqs_off+0xb8/0x310
[  690.112978]  ? trace_hardirqs_off+0xb8/0x310
[  690.117385]  __alloc_pages_slowpath+0x2651/0x2de0
[  690.122249]  ? warn_alloc+0x120/0x120
[  690.126048]  ? print_usage_bug+0xc0/0xc0
[  690.130104]  ? warn_alloc+0x120/0x120
[  690.133904]  ? warn_alloc+0x120/0x120
[  690.137701]  ? print_usage_bug+0xc0/0xc0
[  690.141756]  ? kvm_clock_read+0x18/0x30
[  690.145724]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  690.150734]  ? print_usage_bug+0xc0/0xc0
[  690.154789]  ? __lock_acquire+0x62f/0x4c20
[  690.159020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.164567]  ? should_fail+0x22d/0xd01
[  690.168458]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.173731]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.178828]  ? __lock_acquire+0x62f/0x4c20
[  690.183070]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.188165]  ? __lock_acquire+0x62f/0x4c20
[  690.192393]  ? should_fail+0x22d/0xd01
[  690.196271]  ? rcu_irq_exit+0x1a2/0x390
[  690.200247]  ? mark_held_locks+0x130/0x130
[  690.204480]  ? mark_held_locks+0x130/0x130
[  690.208717]  ? mark_held_locks+0xc7/0x130
[  690.212859]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  690.217872]  ? zap_class+0x640/0x640
[  690.221586]  ? print_usage_bug+0xc0/0xc0
[  690.225643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.231173]  ? check_preemption_disabled+0x48/0x280
[  690.236191]  ? __lock_is_held+0xb5/0x140
[  690.240256]  __alloc_pages_nodemask+0xad8/0xea0
[  690.244915]  ? zap_class+0x640/0x640
[  690.248625]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  690.253646]  ? find_held_lock+0x36/0x1c0
[  690.257712]  ? ____cache_alloc_node+0x1c7/0x1e0
[  690.262378]  ? lock_downgrade+0x900/0x900
[  690.266530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.272390]  cache_grow_begin+0xa5/0x8c0
[  690.276457]  ? do_raw_spin_unlock+0xa7/0x330
[  690.280881]  fallback_alloc+0x204/0x2e0
[  690.284862]  ____cache_alloc_node+0x1c7/0x1e0
[  690.289355]  kmem_cache_alloc_node+0xe3/0x730
[  690.293847]  ? ipv6_get_ifaddr+0x42e/0x620
[  690.298084]  __alloc_skb+0x119/0x770
[  690.301791]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.307063]  ? netdev_alloc_frag+0x1f0/0x1f0
[  690.311464]  ? lock_downgrade+0x900/0x900
[  690.315613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.321147]  ? refcount_sub_and_test_checked+0x203/0x310
[  690.326598]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  690.332129]  ? addrconf_rs_timer+0x690/0x690
[  690.336540]  ndisc_alloc_skb+0x144/0x340
[  690.340608]  ndisc_send_rs+0x331/0x6e0
[  690.344495]  addrconf_rs_timer+0x314/0x690
[  690.348727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.352962]  call_timer_fn+0x272/0x920
[  690.356848]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.361078]  ? process_timeout+0x40/0x40
[  690.365143]  ? mark_held_locks+0xc7/0x130
[  690.369285]  ? _raw_spin_unlock_irq+0x27/0x80
[  690.373770]  ? _raw_spin_unlock_irq+0x27/0x80
[  690.378258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.382498]  ? lockdep_hardirqs_on+0x296/0x5b0
[  690.387077]  ? trace_hardirqs_on+0xbd/0x310
[  690.391391]  ? kasan_check_read+0x11/0x20
[  690.395532]  ? __run_timers+0x7da/0xc70
[  690.399509]  ? trace_hardirqs_off_caller+0x310/0x310
[  690.404612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.408847]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.413072]  __run_timers+0x7e5/0xc70
[  690.416872]  ? timer_fixup_init+0x70/0x70
[  690.421014]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  690.426027]  ? zap_class+0x640/0x640
[  690.429738]  ? print_usage_bug+0xc0/0xc0
[  690.433794]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  690.438997]  ? find_held_lock+0x36/0x1c0
[  690.443056]  ? zap_class+0x640/0x640
[  690.446768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.452297]  ? check_preemption_disabled+0x48/0x280
[  690.457315]  ? __lock_is_held+0xb5/0x140
[  690.461373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.466906]  ? check_preemption_disabled+0x48/0x280
[  690.471917]  run_timer_softirq+0x52/0xb0
[  690.475972]  ? rcu_read_lock_sched_held+0x14f/0x180
[  690.480982]  __do_softirq+0x308/0xb7e
[  690.484779]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  690.489270]  ? lock_downgrade+0x900/0x900
[  690.493419]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  690.498523]  ? pvclock_read_flags+0x160/0x160
[  690.503024]  ? lapic_next_event+0x5a/0x90
[  690.507171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.512710]  ? kvm_clock_read+0x18/0x30
[  690.516681]  ? kvm_sched_clock_read+0x9/0x20
[  690.521084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.526613]  ? check_preemption_disabled+0x48/0x280
[  690.531634]  irq_exit+0x17f/0x1c0
[  690.535082]  smp_apic_timer_interrupt+0x1cb/0x760
[  690.539918]  ? smp_call_function_single_interrupt+0x159/0x650
[  690.545823]  ? smp_call_function_single_interrupt+0x650/0x650
[  690.551705]  ? interrupt_entry+0xb5/0xc0
[  690.555765]  ? trace_hardirqs_off_caller+0xbb/0x310
[  690.560787]  ? trace_hardirqs_off_caller+0xbb/0x310
[  690.565813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.570649]  ? trace_hardirqs_on_caller+0x310/0x310
[  690.575658]  ? trace_hardirqs_on_caller+0x310/0x310
[  690.580667]  ? task_prio+0x50/0x50
[  690.584202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.589734]  ? check_preemption_disabled+0x48/0x280
[  690.594747]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.599590]  apic_timer_interrupt+0xf/0x20
[  690.603815]  </IRQ>
[  690.606049] RIP: 0010:smp_call_function_single+0x30a/0x660
[  690.611669] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  690.630566] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  690.638270] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  690.645531] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  690.652803] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  690.660066] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  690.667341] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  690.674624]  ? smp_call_function_single+0x351/0x660
[  690.679632]  ? smp_call_function_single+0x300/0x660
[  690.684662]  ? rcu_note_context_switch+0x12ad/0x2150
[  690.689756]  ? retint_kernel+0x2d/0x2d
[  690.693639]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  690.699518]  ? generic_exec_single+0x5f0/0x5f0
[  690.704099]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  690.709978]  ? zap_class+0x640/0x640
[  690.713687]  ? smp_call_function_single+0x302/0x660
[  690.718701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.724243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.729774]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  690.734793]  ? find_next_and_bit+0x183/0x1e0
[  690.739206]  smp_call_function_many+0x911/0xae0
[  690.743867]  ? __lock_acquire+0x62f/0x4c20
[  690.748102]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  690.753978]  ? _raw_spin_unlock_irq+0x27/0x80
[  690.758466]  ? _raw_spin_unlock_irq+0x27/0x80
[  690.762958]  ? smp_call_function_single_async+0x370/0x370
[  690.768488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.774023]  ? check_preemption_disabled+0x48/0x280
[  690.779064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.784613]  ? check_preemption_disabled+0x48/0x280
[  690.789625]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  690.795501]  on_each_cpu_mask+0x41/0x240
[  690.799566]  ? x86_configure_nx+0x110/0x110
[  690.803881]  on_each_cpu_cond_mask+0x171/0x210
[  690.808467]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  690.814343]  ? on_each_cpu_mask+0x240/0x240
[  690.818672]  native_flush_tlb_others+0x2ea/0x690
[  690.823423]  ? initialize_tlbstate_and_flush+0x380/0x380
[  690.828874]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  690.833891]  ? find_next_bit+0x104/0x130
[  690.837959]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.843493]  ? find_next_bit+0x104/0x130
[  690.847559]  ? cpumask_next+0x41/0x50
[  690.851356]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  690.856368]  ? cpumask_any_but+0xb1/0xe0
[  690.860427]  flush_tlb_mm_range+0x2fe/0x5d0
[  690.864740]  ? fault_around_bytes_set+0x90/0x90
[  690.869408]  ? native_flush_tlb_others+0x690/0x690
[  690.874333]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  690.879868]  ? alloc_pages_current+0x17b/0x350
[  690.884457]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.889999]  ? __tlb_remove_page_size+0x187/0x500
[  690.894841]  unmap_page_range+0x1eef/0x2930
[  690.899181]  ? vm_normal_page_pmd+0x510/0x510
[  690.903676]  ? mark_held_locks+0x130/0x130
[  690.907906]  ? finish_task_switch+0x1f4/0x910
[  690.912398]  ? finish_task_switch+0x1b4/0x910
[  690.916976]  ? __switch_to_asm+0x34/0x70
[  690.921041]  ? zap_class+0x640/0x640
[  690.924754]  ? prepare_to_wait_event+0x39f/0xa10
[  690.929506]  ? tlb_table_flush+0xb4/0x5c0
[  690.933654]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  690.938752]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  690.943853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.949394]  ? tlb_flush_mmu_free+0x105/0x170
[  690.953885]  ? tlb_flush_mmu+0x58/0x520
[  690.957857]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  690.962351]  ? kasan_check_write+0x14/0x20
[  690.966577]  ? tlb_finish_mmu+0x166/0x1f0
[  690.970724]  ? tlb_gather_mmu+0x440/0x440
[  690.974870]  ? kasan_check_write+0x14/0x20
[  690.979102]  __oom_reap_task_mm+0xf7/0x410
[  690.983332]  ? process_shares_mm+0x460/0x460
[  690.987752]  oom_reaper+0x2b7/0x11e0
[  690.991470]  ? __oom_reap_task_mm+0x410/0x410
[  690.995957]  ? lock_pin_lock+0x350/0x350
[  691.000017]  ? finish_wait+0x430/0x430
[  691.003904]  ? __schedule+0x168a/0x21d0
[  691.007869]  ? __switch_to_asm+0x40/0x70
[  691.011926]  ? __switch_to_asm+0x40/0x70
[  691.015985]  ? zap_class+0x640/0x640
[  691.019698]  ? __sched_text_start+0x8/0x8
[  691.023848]  ? find_held_lock+0x36/0x1c0
[  691.027911]  ? __kthread_parkme+0xce/0x1a0
[  691.032143]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  691.037239]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  691.042339]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  691.046914]  ? trace_hardirqs_on+0xbd/0x310
[  691.051231]  ? kasan_check_read+0x11/0x20
[  691.055587]  ? __kthread_parkme+0xce/0x1a0
[  691.059818]  ? trace_hardirqs_off_caller+0x310/0x310
[  691.064921]  ? preempt_schedule+0x4d/0x60
[  691.069065]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  691.074161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.079703]  ? __kthread_parkme+0xfb/0x1a0
[  691.083933]  ? __oom_reap_task_mm+0x410/0x410
[  691.088422]  kthread+0x35a/0x440
[  691.091786]  ? kthread_stop+0x900/0x900
[  691.095761]  ret_from_fork+0x3a/0x50
[  691.099478] warn_alloc_show_mem: 1 callbacks suppressed
[  691.099488] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  691.099489] Mem-Info:
[  691.099528] active_anon:44214 inactive_anon:199 isolated_anon:0
[  691.099528]  active_file:6 inactive_file:21 isolated_file:0
[  691.099528]  unevictable:0 dirty:0 writeback:0 unstable:0
[  691.099528]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  691.099528]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  691.099528]  free:13686 free_pcp:384 free_cma:0
[  691.104854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  691.104861] Call Trace:
[  691.112221] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  691.114608]  <IRQ>
[  691.147374] 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
[  691.156721]  dump_stack+0x244/0x39d
[  691.159287] lowmem_reserve[]: 0 2818 6321 6321
[  691.187041]  ? dump_stack_print_info.cold.1+0x20/0x20
[  691.189161] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  691.215257]  ? __wake_up+0xe/0x10
[  691.218854] lowmem_reserve[]: 0 0 3503 3503
[  691.223969]  warn_alloc.cold.116+0xb7/0x1bd
[  691.229126] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  691.256441]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  691.259860] lowmem_reserve[]: 0 0 0 0
[  691.264173]  ? lock_downgrade+0x900/0x900
[  691.268468] 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
[  691.297437]  ? trace_hardirqs_off+0xb8/0x310
[  691.302247] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  691.306040]  ? trace_hardirqs_off+0xb8/0x310
[  691.310239] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  691.324382]  __alloc_pages_slowpath+0x2651/0x2de0
[  691.328861] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  691.344034]  ? warn_alloc+0x120/0x120
[  691.348399] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  691.361988]  ? print_usage_bug+0xc0/0xc0
[  691.366801] 271 total pagecache pages
[  691.375621]  ? warn_alloc+0x120/0x120
[  691.379401] 0 pages in swap cache
[  691.387957]  ? warn_alloc+0x120/0x120
[  691.391990] Swap cache stats: add 0, delete 0, find 0/0
[  691.395776]  ? print_usage_bug+0xc0/0xc0
[  691.399543] Free swap  = 0kB
[  691.399550] Total swap = 0kB
[  691.402990]  ? kvm_clock_read+0x18/0x30
[  691.406759] 1965979 pages RAM
[  691.412106]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  691.416133] 0 pages HighMem/MovableOnly
[  691.416140] 342854 pages reserved
[  691.419142]  ? print_usage_bug+0xc0/0xc0
[  691.422130] 0 pages cma reserved
[  691.426089]  ? __lock_acquire+0x62f/0x4c20
[  691.429214] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  691.434167]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.434180]  ? should_fail+0x22d/0xd01
[  691.434195]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.438196] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  691.441582]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  691.445613] oom_reaper cpuset=/ mems_allowed=0
[  691.448969]  ? __lock_acquire+0x62f/0x4c20
[  691.498355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  691.503452]  ? __lock_acquire+0x62f/0x4c20
[  691.507689]  ? should_fail+0x22d/0xd01
[  691.511655]  ? rcu_irq_exit+0x1a2/0x390
[  691.515636]  ? mark_held_locks+0x130/0x130
[  691.519873]  ? mark_held_locks+0x130/0x130
[  691.524110]  ? mark_held_locks+0xc7/0x130
[  691.528251]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  691.533261]  ? zap_class+0x640/0x640
[  691.536971]  ? print_usage_bug+0xc0/0xc0
[  691.541036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.546571]  ? check_preemption_disabled+0x48/0x280
[  691.551588]  ? __lock_is_held+0xb5/0x140
[  691.555648]  __alloc_pages_nodemask+0xad8/0xea0
[  691.560312]  ? zap_class+0x640/0x640
[  691.564036]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  691.569055]  ? find_held_lock+0x36/0x1c0
[  691.573120]  ? ____cache_alloc_node+0x1c7/0x1e0
[  691.577785]  ? lock_downgrade+0x900/0x900
[  691.581932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.587474]  cache_grow_begin+0xa5/0x8c0
[  691.591531]  ? do_raw_spin_unlock+0xa7/0x330
[  691.595940]  fallback_alloc+0x204/0x2e0
[  691.599917]  ____cache_alloc_node+0x1c7/0x1e0
[  691.604410]  kmem_cache_alloc_node+0xe3/0x730
[  691.608898]  ? ipv6_get_ifaddr+0x42e/0x620
[  691.613134]  __alloc_skb+0x119/0x770
[  691.616839]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.622114]  ? netdev_alloc_frag+0x1f0/0x1f0
[  691.626515]  ? lock_downgrade+0x900/0x900
[  691.630663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.636194]  ? refcount_sub_and_test_checked+0x203/0x310
[  691.641647]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  691.647090]  ? addrconf_rs_timer+0x690/0x690
[  691.651504]  ndisc_alloc_skb+0x144/0x340
[  691.655562]  ndisc_send_rs+0x331/0x6e0
[  691.659457]  addrconf_rs_timer+0x314/0x690
[  691.663694]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.667928]  call_timer_fn+0x272/0x920
[  691.671807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.676042]  ? process_timeout+0x40/0x40
[  691.680103]  ? __run_timers+0x7da/0xc70
[  691.684071]  ? _raw_spin_unlock_irq+0x27/0x80
[  691.688556]  ? _raw_spin_unlock_irq+0x27/0x80
[  691.693047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.697276]  ? lockdep_hardirqs_on+0x296/0x5b0
[  691.701853]  ? trace_hardirqs_on+0xbd/0x310
[  691.706172]  ? kasan_check_read+0x11/0x20
[  691.710314]  ? __run_timers+0x7da/0xc70
[  691.714284]  ? trace_hardirqs_off_caller+0x310/0x310
[  691.719388]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.723623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.727851]  __run_timers+0x7e5/0xc70
[  691.731655]  ? timer_fixup_init+0x70/0x70
[  691.735803]  ? lock_acquire+0x1ed/0x520
[  691.739773]  ? zap_class+0x640/0x640
[  691.743481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.749017]  ? kasan_check_read+0x11/0x20
[  691.753170]  ? do_raw_spin_lock+0x14f/0x350
[  691.757499]  ? find_held_lock+0x36/0x1c0
[  691.761559]  ? zap_class+0x640/0x640
[  691.765273]  ? pvclock_read_flags+0x160/0x160
[  691.769767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.775297]  ? check_preemption_disabled+0x48/0x280
[  691.780313]  ? __lock_is_held+0xb5/0x140
[  691.784370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.789898]  ? check_preemption_disabled+0x48/0x280
[  691.794916]  run_timer_softirq+0x52/0xb0
[  691.798979]  ? rcu_read_lock_sched_held+0x14f/0x180
[  691.803989]  __do_softirq+0x308/0xb7e
[  691.807785]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  691.812277]  ? lock_downgrade+0x900/0x900
[  691.816421]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  691.821534]  ? pvclock_read_flags+0x160/0x160
[  691.826027]  ? lapic_next_event+0x5a/0x90
[  691.830169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.835707]  ? kvm_clock_read+0x18/0x30
[  691.839687]  ? kvm_sched_clock_read+0x9/0x20
[  691.844092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.849627]  ? check_preemption_disabled+0x48/0x280
[  691.854648]  irq_exit+0x17f/0x1c0
[  691.858098]  smp_apic_timer_interrupt+0x1cb/0x760
[  691.862937]  ? smp_call_function_single_interrupt+0x159/0x650
[  691.868817]  ? smp_call_function_single_interrupt+0x650/0x650
[  691.874692]  ? interrupt_entry+0xb5/0xc0
[  691.878752]  ? trace_hardirqs_off_caller+0xbb/0x310
[  691.883760]  ? trace_hardirqs_off_caller+0xbb/0x310
[  691.888769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.893606]  ? trace_hardirqs_on_caller+0x310/0x310
[  691.898617]  ? trace_hardirqs_on_caller+0x310/0x310
[  691.903625]  ? task_prio+0x50/0x50
[  691.907160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.912696]  ? check_preemption_disabled+0x48/0x280
[  691.917712]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.922553]  apic_timer_interrupt+0xf/0x20
[  691.926778]  </IRQ>
[  691.929010] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  691.933932] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  691.952826] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  691.960611] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  691.967873] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  691.975136] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  691.982397] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  691.989667] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  691.997012]  skb_clone+0x1bb/0x500
[  692.000571]  ? finish_task_switch+0x1b4/0x910
[  692.005061]  ? skb_split+0x11e0/0x11e0
[  692.008950]  ? preempt_notifier_register+0x200/0x200
[  692.014046]  ? __switch_to_asm+0x34/0x70
[  692.018100]  ? __switch_to_asm+0x34/0x70
[  692.022160]  ? __switch_to_asm+0x40/0x70
[  692.026224]  ? __switch_to_asm+0x34/0x70
[  692.030275]  ? __switch_to_asm+0x40/0x70
[  692.034327]  ? __switch_to_asm+0x34/0x70
[  692.038379]  ? __switch_to_asm+0x40/0x70
[  692.042442]  ? __switch_to_asm+0x34/0x70
[  692.046498]  ? __switch_to_asm+0x34/0x70
[  692.050549]  ? __switch_to_asm+0x40/0x70
[  692.054831]  ? __switch_to_asm+0x34/0x70
[  692.058892]  bpf_clone_redirect+0xb9/0x490
[  692.063123]  ? __schedule+0x8d7/0x21d0
[  692.067010]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  692.072021]  ? __sched_text_start+0x8/0x8
[  692.076169]  ? retint_kernel+0x2d/0x2d
[  692.080167]  ? find_held_lock+0x36/0x1c0
[  692.084228]  ? lock_acquire+0x1ed/0x520
[  692.088193]  ? bpf_test_run+0x3ee/0x7a0
[  692.092167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.097704]  ? check_preemption_disabled+0x48/0x280
[  692.102723]  ? kasan_check_read+0x11/0x20
[  692.106866]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  692.112134]  ? rcu_softirq_qs+0x20/0x20
[  692.116108]  ? preempt_schedule+0x4d/0x60
[  692.120249]  ? ___preempt_schedule+0x16/0x18
[  692.124657]  ? bpf_test_run+0x271/0x7a0
[  692.128636]  ? netlink_diag_dump+0x2a0/0x2a0
[  692.133044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.138578]  ? bpf_test_init.isra.10+0x70/0x100
[  692.143251]  ? bpf_prog_test_run_skb+0x762/0xd60
[  692.148009]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  692.152862]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  692.158392]  ? fput+0x130/0x1a0
[  692.161678]  ? __bpf_prog_get+0x9b/0x290
[  692.165737]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  692.170573]  ? bpf_prog_test_run+0x130/0x1a0
[  692.174981]  ? __x64_sys_bpf+0x3d8/0x520
[  692.179034]  ? bpf_prog_get+0x20/0x20
[  692.182848]  ? do_syscall_64+0x1b9/0x820
[  692.186899]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  692.192256]  ? syscall_return_slowpath+0x5e0/0x5e0
[  692.197184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.202024]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.207033]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  692.212046]  ? prepare_exit_to_usermode+0x291/0x3b0
[  692.217061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.222376]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  692.227755] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  692.227809] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  692.234760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  692.234765] Call Trace:
[  692.234770]  <IRQ>
[  692.234786]  dump_stack+0x244/0x39d
[  692.234805]  ? dump_stack_print_info.cold.1+0x20/0x20
[  692.241318] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  692.250611]  ? __wake_up+0xe/0x10
[  692.253171] syz-executor0 cpuset=syz0 mems_allowed=0
[  692.255313]  warn_alloc.cold.116+0xb7/0x1bd
[  692.287772]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  692.292623]  ? lock_downgrade+0x900/0x900
[  692.296775]  ? trace_hardirqs_off+0xb8/0x310
[  692.301184]  ? trace_hardirqs_off+0xb8/0x310
[  692.305592]  __alloc_pages_slowpath+0x2651/0x2de0
[  692.310628]  ? warn_alloc+0x120/0x120
[  692.314430]  ? print_usage_bug+0xc0/0xc0
[  692.318485]  ? warn_alloc+0x120/0x120
[  692.322285]  ? warn_alloc+0x120/0x120
[  692.326083]  ? print_usage_bug+0xc0/0xc0
[  692.330141]  ? print_usage_bug+0xc0/0xc0
[  692.334207]  ? __lock_acquire+0x62f/0x4c20
[  692.338440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.343973]  ? should_fail+0x22d/0xd01
[  692.347863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  692.352966]  ? __lock_acquire+0x62f/0x4c20
[  692.357201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  692.362299]  ? __lock_acquire+0x62f/0x4c20
[  692.366526]  ? should_fail+0x22d/0xd01
[  692.370414]  ? find_held_lock+0x36/0x1c0
[  692.374480]  ? mark_held_locks+0x130/0x130
[  692.378714]  ? mark_held_locks+0x130/0x130
[  692.382941]  ? zap_class+0x640/0x640
[  692.386653]  ? zap_class+0x640/0x640
[  692.390367]  ? print_usage_bug+0xc0/0xc0
[  692.394463]  ? do_raw_spin_unlock+0xa7/0x330
[  692.398875]  ? zap_class+0x640/0x640
[  692.402582]  ? print_usage_bug+0xc0/0xc0
[  692.406643]  ? wq_watchdog_touch+0x9c/0xfe
[  692.410874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.416414]  ? check_preemption_disabled+0x48/0x280
[  692.421519]  ? __lock_is_held+0xb5/0x140
[  692.425579]  __alloc_pages_nodemask+0xad8/0xea0
[  692.430247]  ? zap_class+0x640/0x640
[  692.433975]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  692.438999]  ? find_held_lock+0x36/0x1c0
[  692.443069]  ? ____cache_alloc_node+0x1c7/0x1e0
[  692.447734]  ? lock_downgrade+0x900/0x900
[  692.451881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.457418]  cache_grow_begin+0xa5/0x8c0
[  692.461477]  ? do_raw_spin_unlock+0xa7/0x330
[  692.465887]  fallback_alloc+0x204/0x2e0
[  692.469865]  ____cache_alloc_node+0x1c7/0x1e0
[  692.474364]  kmem_cache_alloc_node+0xe3/0x730
[  692.478878]  ? ipv6_get_ifaddr+0x42e/0x620
[  692.483117]  __alloc_skb+0x119/0x770
[  692.486828]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  692.492102]  ? netdev_alloc_frag+0x1f0/0x1f0
[  692.496504]  ? lock_downgrade+0x900/0x900
[  692.500657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.506191]  ? refcount_sub_and_test_checked+0x203/0x310
[  692.511645]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  692.517090]  ? addrconf_rs_timer+0x690/0x690
[  692.521505]  ndisc_alloc_skb+0x144/0x340
[  692.525565]  ndisc_send_rs+0x331/0x6e0
[  692.529451]  addrconf_rs_timer+0x314/0x690
[  692.533688]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.537927]  call_timer_fn+0x272/0x920
[  692.541808]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.546040]  ? process_timeout+0x40/0x40
[  692.550103]  ? mark_held_locks+0xc7/0x130
[  692.554249]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.558738]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.563241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.567474]  ? lockdep_hardirqs_on+0x296/0x5b0
[  692.572056]  ? trace_hardirqs_on+0xbd/0x310
[  692.576378]  ? kasan_check_read+0x11/0x20
[  692.580519]  ? __run_timers+0x7da/0xc70
[  692.584489]  ? trace_hardirqs_off_caller+0x310/0x310
[  692.589591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.593829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.598059]  __run_timers+0x7e5/0xc70
[  692.601864]  ? timer_fixup_init+0x70/0x70
[  692.606012]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  692.611030]  ? zap_class+0x640/0x640
[  692.614744]  ? print_usage_bug+0xc0/0xc0
[  692.618807]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  692.624001]  ? find_held_lock+0x36/0x1c0
[  692.628064]  ? zap_class+0x640/0x640
[  692.631779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.637314]  ? check_preemption_disabled+0x48/0x280
[  692.642333]  ? __lock_is_held+0xb5/0x140
[  692.646398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.651945]  ? check_preemption_disabled+0x48/0x280
[  692.656959]  run_timer_softirq+0x52/0xb0
[  692.661017]  ? rcu_read_lock_sched_held+0x14f/0x180
[  692.666028]  __do_softirq+0x308/0xb7e
[  692.669824]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  692.674321]  ? lock_downgrade+0x900/0x900
[  692.678477]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  692.683582]  ? pvclock_read_flags+0x160/0x160
[  692.688077]  ? lapic_next_event+0x5a/0x90
[  692.692221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.697760]  ? kvm_clock_read+0x18/0x30
[  692.701731]  ? kvm_sched_clock_read+0x9/0x20
[  692.706156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.711689]  ? check_preemption_disabled+0x48/0x280
[  692.716708]  irq_exit+0x17f/0x1c0
[  692.720159]  smp_apic_timer_interrupt+0x1cb/0x760
[  692.724998]  ? smp_call_function_single_interrupt+0x159/0x650
[  692.730882]  ? smp_call_function_single_interrupt+0x650/0x650
[  692.736760]  ? interrupt_entry+0xb5/0xc0
[  692.740816]  ? trace_hardirqs_off_caller+0xbb/0x310
[  692.745829]  ? trace_hardirqs_off_caller+0xbb/0x310
[  692.750853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.755693]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.760704]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.765714]  ? task_prio+0x50/0x50
[  692.769250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.774785]  ? check_preemption_disabled+0x48/0x280
[  692.779802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.784648]  apic_timer_interrupt+0xf/0x20
[  692.788875]  </IRQ>
[  692.791115] RIP: 0010:smp_call_function_single+0x30a/0x660
[  692.796748] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  692.815642] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  692.823350] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  692.830617] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  692.837878] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  692.845140] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  692.852403] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  692.859680]  ? smp_call_function_single+0x351/0x660
[  692.864693]  ? smp_call_function_single+0x300/0x660
[  692.869710]  ? rcu_note_context_switch+0x12ad/0x2150
[  692.874807]  ? retint_kernel+0x2d/0x2d
[  692.878689]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  692.884574]  ? generic_exec_single+0x5f0/0x5f0
[  692.889156]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  692.895033]  ? zap_class+0x640/0x640
[  692.898745]  ? smp_call_function_single+0x302/0x660
[  692.903755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.909305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.914842]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  692.919862]  ? find_next_and_bit+0x183/0x1e0
[  692.924275]  smp_call_function_many+0x911/0xae0
[  692.928941]  ? __lock_acquire+0x62f/0x4c20
[  692.933175]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  692.939054]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.943544]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.948035]  ? smp_call_function_single_async+0x370/0x370
[  692.953570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.959111]  ? check_preemption_disabled+0x48/0x280
[  692.964124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.969656]  ? check_preemption_disabled+0x48/0x280
[  692.974673]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  692.980556]  on_each_cpu_mask+0x41/0x240
[  692.984616]  ? x86_configure_nx+0x110/0x110
[  692.988930]  on_each_cpu_cond_mask+0x171/0x210
[  692.993523]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  692.999404]  ? on_each_cpu_mask+0x240/0x240
[  693.003744]  native_flush_tlb_others+0x2ea/0x690
[  693.008497]  ? initialize_tlbstate_and_flush+0x380/0x380
[  693.013949]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  693.018971]  ? find_next_bit+0x104/0x130
[  693.023029]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.028563]  ? find_next_bit+0x104/0x130
[  693.032629]  ? cpumask_next+0x41/0x50
[  693.036429]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  693.041441]  ? cpumask_any_but+0xb1/0xe0
[  693.045501]  flush_tlb_mm_range+0x2fe/0x5d0
[  693.049815]  ? fault_around_bytes_set+0x90/0x90
[  693.054732]  ? native_flush_tlb_others+0x690/0x690
[  693.059667]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  693.065205]  ? alloc_pages_current+0x17b/0x350
[  693.069787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.075324]  ? __tlb_remove_page_size+0x187/0x500
[  693.080164]  unmap_page_range+0x1eef/0x2930
[  693.084502]  ? vm_normal_page_pmd+0x510/0x510
[  693.089000]  ? mark_held_locks+0x130/0x130
[  693.093233]  ? finish_task_switch+0x1f4/0x910
[  693.097726]  ? finish_task_switch+0x1b4/0x910
[  693.102218]  ? __switch_to_asm+0x34/0x70
[  693.106302]  ? zap_class+0x640/0x640
[  693.110024]  ? prepare_to_wait_event+0x39f/0xa10
[  693.114776]  ? tlb_table_flush+0xb4/0x5c0
[  693.118918]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  693.124033]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  693.129137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.134670]  ? tlb_flush_mmu_free+0x105/0x170
[  693.139164]  ? tlb_flush_mmu+0x58/0x520
[  693.143144]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  693.147642]  ? kasan_check_write+0x14/0x20
[  693.151870]  ? tlb_finish_mmu+0x166/0x1f0
[  693.156013]  ? tlb_gather_mmu+0x440/0x440
[  693.160157]  ? kasan_check_write+0x14/0x20
[  693.164393]  __oom_reap_task_mm+0xf7/0x410
[  693.168626]  ? process_shares_mm+0x460/0x460
[  693.173050]  oom_reaper+0x2b7/0x11e0
[  693.176764]  ? __oom_reap_task_mm+0x410/0x410
[  693.181251]  ? lock_pin_lock+0x350/0x350
[  693.185318]  ? finish_wait+0x430/0x430
[  693.189208]  ? __schedule+0x168a/0x21d0
[  693.193176]  ? __switch_to_asm+0x40/0x70
[  693.197232]  ? __switch_to_asm+0x40/0x70
[  693.201293]  ? zap_class+0x640/0x640
[  693.205015]  ? __sched_text_start+0x8/0x8
[  693.209169]  ? find_held_lock+0x36/0x1c0
[  693.213235]  ? __kthread_parkme+0xce/0x1a0
[  693.217471]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  693.222917]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  693.228021]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  693.232600]  ? trace_hardirqs_on+0xbd/0x310
[  693.236924]  ? kasan_check_read+0x11/0x20
[  693.241086]  ? __kthread_parkme+0xce/0x1a0
[  693.245323]  ? trace_hardirqs_off_caller+0x310/0x310
[  693.250436]  ? preempt_schedule+0x4d/0x60
[  693.254592]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  693.259692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.265224]  ? __kthread_parkme+0xfb/0x1a0
[  693.269459]  ? __oom_reap_task_mm+0x410/0x410
[  693.273961]  kthread+0x35a/0x440
[  693.277333]  ? kthread_stop+0x900/0x900
[  693.281309]  ret_from_fork+0x3a/0x50
[  693.285035] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  693.285040] warn_alloc_show_mem: 1 callbacks suppressed
[  693.285046] Mem-Info:
[  693.292400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  693.297762] active_anon:44214 inactive_anon:199 isolated_anon:0
[  693.297762]  active_file:6 inactive_file:21 isolated_file:0
[  693.297762]  unevictable:0 dirty:0 writeback:0 unstable:0
[  693.297762]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  693.297762]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  693.297762]  free:13686 free_pcp:384 free_cma:0
[  693.300133] Call Trace:
[  693.309508] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  693.342269]  <IRQ>
[  693.344840] 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
[  693.372152]  dump_stack+0x244/0x39d
[  693.374271] lowmem_reserve[]: 0 2818 6321 6321
[  693.400391]  ? dump_stack_print_info.cold.1+0x20/0x20
[  693.403987] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  693.408562]  ? __wake_up+0xe/0x10
[  693.413716] lowmem_reserve[]: 0 0 3503 3503
[  693.441139]  warn_alloc.cold.116+0xb7/0x1bd
[  693.444560] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  693.448874]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  693.453163] lowmem_reserve[]: 0 0 0 0
[  693.482131]  ? lock_downgrade+0x900/0x900
[  693.486947] 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
[  693.490742]  ? trace_hardirqs_off+0xb8/0x310
[  693.494857] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  693.508373]  ? trace_hardirqs_off+0xb8/0x310
[  693.512749] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  693.527918]  __alloc_pages_slowpath+0x2651/0x2de0
[  693.532301] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  693.545916]  ? warn_alloc+0x120/0x120
[  693.550714] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  693.559551]  ? print_usage_bug+0xc0/0xc0
[  693.563326] 271 total pagecache pages
[  693.571889]  ? warn_alloc+0x120/0x120
[  693.575930] 0 pages in swap cache
[  693.579725]  ? warn_alloc+0x120/0x120
[  693.583501] Swap cache stats: add 0, delete 0, find 0/0
[  693.586936]  ? print_usage_bug+0xc0/0xc0
[  693.590708] Free swap  = 0kB
[  693.596061]  ? print_usage_bug+0xc0/0xc0
[  693.600090] Total swap = 0kB
[  693.600098] 1965979 pages RAM
[  693.603102]  ? __lock_acquire+0x62f/0x4c20
[  693.607128] 0 pages HighMem/MovableOnly
[  693.607135] 342854 pages reserved
[  693.610157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.613231] 0 pages cma reserved
[  693.613295] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  693.617471]  ? should_fail+0x22d/0xd01
[  693.621473] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  693.624944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  693.630450] oom_reaper cpuset=/ mems_allowed=0
[  693.633900]  ? __lock_acquire+0x62f/0x4c20
[  693.668332]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  693.673430]  ? __lock_acquire+0x62f/0x4c20
[  693.677656]  ? should_fail+0x22d/0xd01
[  693.681540]  ? find_held_lock+0x36/0x1c0
[  693.685605]  ? mark_held_locks+0x130/0x130
[  693.689840]  ? mark_held_locks+0x130/0x130
[  693.694071]  ? zap_class+0x640/0x640
[  693.697790]  ? zap_class+0x640/0x640
[  693.701503]  ? print_usage_bug+0xc0/0xc0
[  693.705560]  ? do_raw_spin_unlock+0xa7/0x330
[  693.709962]  ? zap_class+0x640/0x640
[  693.713674]  ? print_usage_bug+0xc0/0xc0
[  693.717726]  ? wq_watchdog_touch+0x9c/0xfe
[  693.721958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.728154]  ? check_preemption_disabled+0x48/0x280
[  693.733175]  ? __lock_is_held+0xb5/0x140
[  693.737236]  __alloc_pages_nodemask+0xad8/0xea0
[  693.741904]  ? zap_class+0x640/0x640
[  693.745615]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  693.750636]  ? find_held_lock+0x36/0x1c0
[  693.754705]  ? ____cache_alloc_node+0x1c7/0x1e0
[  693.759373]  ? lock_downgrade+0x900/0x900
[  693.763527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.769065]  cache_grow_begin+0xa5/0x8c0
[  693.773121]  ? do_raw_spin_unlock+0xa7/0x330
[  693.777531]  fallback_alloc+0x204/0x2e0
[  693.781515]  ____cache_alloc_node+0x1c7/0x1e0
[  693.786014]  kmem_cache_alloc_node+0xe3/0x730
[  693.790519]  ? ipv6_get_ifaddr+0x42e/0x620
[  693.794758]  __alloc_skb+0x119/0x770
[  693.798468]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.803745]  ? netdev_alloc_frag+0x1f0/0x1f0
[  693.808150]  ? lock_downgrade+0x900/0x900
[  693.812298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.817831]  ? refcount_sub_and_test_checked+0x203/0x310
[  693.823285]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  693.828730]  ? addrconf_rs_timer+0x690/0x690
[  693.833142]  ndisc_alloc_skb+0x144/0x340
[  693.837205]  ndisc_send_rs+0x331/0x6e0
[  693.841104]  addrconf_rs_timer+0x314/0x690
[  693.845338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  693.849575]  call_timer_fn+0x272/0x920
[  693.853471]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  693.857700]  ? process_timeout+0x40/0x40
[  693.861763]  ? __run_timers+0x7da/0xc70
[  693.865733]  ? _raw_spin_unlock_irq+0x27/0x80
[  693.870223]  ? _raw_spin_unlock_irq+0x27/0x80
[  693.874721]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  693.878964]  ? lockdep_hardirqs_on+0x296/0x5b0
[  693.883541]  ? trace_hardirqs_on+0xbd/0x310
[  693.887857]  ? kasan_check_read+0x11/0x20
[  693.892002]  ? __run_timers+0x7da/0xc70
[  693.895974]  ? trace_hardirqs_off_caller+0x310/0x310
[  693.901081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  693.905318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  693.909552]  __run_timers+0x7e5/0xc70
[  693.913355]  ? timer_fixup_init+0x70/0x70
[  693.917499]  ? lock_acquire+0x1ed/0x520
[  693.921469]  ? zap_class+0x640/0x640
[  693.925179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.930714]  ? kasan_check_read+0x11/0x20
[  693.934855]  ? do_raw_spin_lock+0x14f/0x350
[  693.939176]  ? find_held_lock+0x36/0x1c0
[  693.943247]  ? zap_class+0x640/0x640
[  693.946958]  ? pvclock_read_flags+0x160/0x160
[  693.951453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.956984]  ? check_preemption_disabled+0x48/0x280
[  693.962011]  ? __lock_is_held+0xb5/0x140
[  693.966073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.971605]  ? check_preemption_disabled+0x48/0x280
[  693.976620]  run_timer_softirq+0x52/0xb0
[  693.980675]  ? rcu_read_lock_sched_held+0x14f/0x180
[  693.985686]  __do_softirq+0x308/0xb7e
[  693.989483]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  693.993985]  ? lock_downgrade+0x900/0x900
[  693.998137]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  694.003260]  ? pvclock_read_flags+0x160/0x160
[  694.007757]  ? lapic_next_event+0x5a/0x90
[  694.011903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.017442]  ? kvm_clock_read+0x18/0x30
[  694.021530]  ? kvm_sched_clock_read+0x9/0x20
[  694.025937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.031469]  ? check_preemption_disabled+0x48/0x280
[  694.036491]  irq_exit+0x17f/0x1c0
[  694.039943]  smp_apic_timer_interrupt+0x1cb/0x760
[  694.044782]  ? smp_call_function_single_interrupt+0x159/0x650
[  694.050666]  ? smp_call_function_single_interrupt+0x650/0x650
[  694.056809]  ? interrupt_entry+0xb5/0xc0
[  694.060868]  ? trace_hardirqs_off_caller+0xbb/0x310
[  694.065879]  ? trace_hardirqs_off_caller+0xbb/0x310
[  694.070894]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.075733]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.080746]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.085755]  ? task_prio+0x50/0x50
[  694.089380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.094918]  ? check_preemption_disabled+0x48/0x280
[  694.099934]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.104778]  apic_timer_interrupt+0xf/0x20
[  694.109003]  </IRQ>
[  694.111245] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  694.116170] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  694.135064] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  694.142788] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  694.150053] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  694.157315] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  694.164579] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  694.171842] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  694.179139]  skb_clone+0x1bb/0x500
[  694.182678]  ? finish_task_switch+0x1b4/0x910
[  694.187168]  ? skb_split+0x11e0/0x11e0
[  694.191057]  ? preempt_notifier_register+0x200/0x200
[  694.196253]  ? __switch_to_asm+0x34/0x70
[  694.200310]  ? __switch_to_asm+0x34/0x70
[  694.204364]  ? __switch_to_asm+0x40/0x70
[  694.208420]  ? __switch_to_asm+0x34/0x70
[  694.212478]  ? __switch_to_asm+0x40/0x70
[  694.216533]  ? __switch_to_asm+0x34/0x70
[  694.220588]  ? __switch_to_asm+0x40/0x70
[  694.224641]  ? __switch_to_asm+0x34/0x70
[  694.228694]  ? __switch_to_asm+0x34/0x70
[  694.232751]  ? __switch_to_asm+0x40/0x70
[  694.236804]  ? __switch_to_asm+0x34/0x70
[  694.240863]  bpf_clone_redirect+0xb9/0x490
[  694.245108]  ? __schedule+0x8d7/0x21d0
[  694.248998]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  694.254011]  ? __sched_text_start+0x8/0x8
[  694.258167]  ? retint_kernel+0x2d/0x2d
[  694.262057]  ? find_held_lock+0x36/0x1c0
[  694.266118]  ? lock_acquire+0x1ed/0x520
[  694.270086]  ? bpf_test_run+0x3ee/0x7a0
[  694.274061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.279596]  ? check_preemption_disabled+0x48/0x280
[  694.284617]  ? kasan_check_read+0x11/0x20
[  694.288759]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  694.294034]  ? rcu_softirq_qs+0x20/0x20
[  694.298007]  ? preempt_schedule+0x4d/0x60
[  694.302152]  ? ___preempt_schedule+0x16/0x18
[  694.306561]  ? bpf_test_run+0x271/0x7a0
[  694.310540]  ? netlink_diag_dump+0x2a0/0x2a0
[  694.314946]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  694.320489]  ? bpf_test_init.isra.10+0x70/0x100
[  694.325158]  ? bpf_prog_test_run_skb+0x762/0xd60
[  694.329916]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  694.334757]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  694.340289]  ? fput+0x130/0x1a0
[  694.343568]  ? __bpf_prog_get+0x9b/0x290
[  694.347630]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  694.352470]  ? bpf_prog_test_run+0x130/0x1a0
[  694.356877]  ? __x64_sys_bpf+0x3d8/0x520
[  694.360933]  ? bpf_prog_get+0x20/0x20
[  694.364750]  ? do_syscall_64+0x1b9/0x820
[  694.368810]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  694.374175]  ? syscall_return_slowpath+0x5e0/0x5e0
[  694.379106]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.383947]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.389070]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  694.394084]  ? prepare_exit_to_usermode+0x291/0x3b0
[  694.399102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.403945]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  694.409325] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  694.409382] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  694.416337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  694.416342] Call Trace:
[  694.416347]  <IRQ>
[  694.416363]  dump_stack+0x244/0x39d
[  694.416385]  ? dump_stack_print_info.cold.1+0x20/0x20
[  694.422975] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  694.432211]  ? __wake_up+0xe/0x10
[  694.434766] syz-executor0 cpuset=syz0 mems_allowed=0
[  694.436913]  warn_alloc.cold.116+0xb7/0x1bd
[  694.468973]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  694.473818]  ? lock_downgrade+0x900/0x900
[  694.477972]  ? trace_hardirqs_off+0xb8/0x310
[  694.482384]  ? trace_hardirqs_off+0xb8/0x310
[  694.486794]  __alloc_pages_slowpath+0x2651/0x2de0
[  694.491655]  ? warn_alloc+0x120/0x120
[  694.495459]  ? print_usage_bug+0xc0/0xc0
[  694.499518]  ? warn_alloc+0x120/0x120
[  694.503317]  ? warn_alloc+0x120/0x120
[  694.507114]  ? print_usage_bug+0xc0/0xc0
[  694.511178]  ? print_usage_bug+0xc0/0xc0
[  694.515246]  ? __lock_acquire+0x62f/0x4c20
[  694.519481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  694.525101]  ? should_fail+0x22d/0xd01
[  694.528987]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  694.534084]  ? __lock_acquire+0x62f/0x4c20
[  694.538315]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  694.543414]  ? __lock_acquire+0x62f/0x4c20
[  694.547648]  ? should_fail+0x22d/0xd01
[  694.551530]  ? find_held_lock+0x36/0x1c0
[  694.555608]  ? mark_held_locks+0x130/0x130
[  694.559845]  ? mark_held_locks+0x130/0x130
[  694.564075]  ? zap_class+0x640/0x640
[  694.567783]  ? zap_class+0x640/0x640
[  694.571495]  ? print_usage_bug+0xc0/0xc0
[  694.575635]  ? do_raw_spin_unlock+0xa7/0x330
[  694.580039]  ? zap_class+0x640/0x640
[  694.583750]  ? print_usage_bug+0xc0/0xc0
[  694.587803]  ? wq_watchdog_touch+0x9c/0xfe
[  694.592034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.597564]  ? check_preemption_disabled+0x48/0x280
[  694.602581]  ? __lock_is_held+0xb5/0x140
[  694.606640]  __alloc_pages_nodemask+0xad8/0xea0
[  694.611302]  ? zap_class+0x640/0x640
[  694.615014]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  694.620034]  ? find_held_lock+0x36/0x1c0
[  694.624098]  ? ____cache_alloc_node+0x1c7/0x1e0
[  694.628762]  ? lock_downgrade+0x900/0x900
[  694.632911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.638464]  cache_grow_begin+0xa5/0x8c0
[  694.642520]  ? do_raw_spin_unlock+0xa7/0x330
[  694.646931]  fallback_alloc+0x204/0x2e0
[  694.650921]  ____cache_alloc_node+0x1c7/0x1e0
[  694.655419]  kmem_cache_alloc_node+0xe3/0x730
[  694.659912]  ? ipv6_get_ifaddr+0x42e/0x620
[  694.664150]  __alloc_skb+0x119/0x770
[  694.667867]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  694.673142]  ? netdev_alloc_frag+0x1f0/0x1f0
[  694.677550]  ? lock_downgrade+0x900/0x900
[  694.681702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.687236]  ? refcount_sub_and_test_checked+0x203/0x310
[  694.692699]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  694.698155]  ? addrconf_rs_timer+0x690/0x690
[  694.702574]  ndisc_alloc_skb+0x144/0x340
[  694.706635]  ndisc_send_rs+0x331/0x6e0
[  694.710522]  addrconf_rs_timer+0x314/0x690
[  694.714756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.718994]  call_timer_fn+0x272/0x920
[  694.722879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.727107]  ? process_timeout+0x40/0x40
[  694.731178]  ? mark_held_locks+0xc7/0x130
[  694.735323]  ? _raw_spin_unlock_irq+0x27/0x80
[  694.739813]  ? _raw_spin_unlock_irq+0x27/0x80
[  694.744303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.748533]  ? lockdep_hardirqs_on+0x296/0x5b0
[  694.753111]  ? trace_hardirqs_on+0xbd/0x310
[  694.757431]  ? kasan_check_read+0x11/0x20
[  694.761576]  ? __run_timers+0x7da/0xc70
[  694.765546]  ? trace_hardirqs_off_caller+0x310/0x310
[  694.770657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.774884]  __run_timers+0x7e5/0xc70
[  694.778689]  ? timer_fixup_init+0x70/0x70
[  694.782834]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  694.787847]  ? zap_class+0x640/0x640
[  694.791558]  ? print_usage_bug+0xc0/0xc0
[  694.795614]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  694.800806]  ? find_held_lock+0x36/0x1c0
[  694.804867]  ? zap_class+0x640/0x640
[  694.808584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.814118]  ? check_preemption_disabled+0x48/0x280
[  694.819142]  ? __lock_is_held+0xb5/0x140
[  694.823209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.828741]  ? check_preemption_disabled+0x48/0x280
[  694.833757]  run_timer_softirq+0x52/0xb0
[  694.837812]  ? rcu_read_lock_sched_held+0x14f/0x180
[  694.842829]  __do_softirq+0x308/0xb7e
[  694.846630]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  694.851121]  ? lock_downgrade+0x900/0x900
[  694.855267]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  694.860372]  ? pvclock_read_flags+0x160/0x160
[  694.864866]  ? lapic_next_event+0x5a/0x90
[  694.869011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.874571]  ? kvm_clock_read+0x18/0x30
[  694.878541]  ? kvm_sched_clock_read+0x9/0x20
[  694.882945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.888655]  ? check_preemption_disabled+0x48/0x280
[  694.893673]  irq_exit+0x17f/0x1c0
[  694.897121]  smp_apic_timer_interrupt+0x1cb/0x760
[  694.901966]  ? smp_call_function_single_interrupt+0x159/0x650
[  694.907846]  ? smp_call_function_single_interrupt+0x650/0x650
[  694.913728]  ? interrupt_entry+0xb5/0xc0
[  694.917801]  ? trace_hardirqs_off_caller+0xbb/0x310
[  694.922811]  ? trace_hardirqs_off_caller+0xbb/0x310
[  694.927820]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.932662]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.937670]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.942680]  ? task_prio+0x50/0x50
[  694.946216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.951747]  ? check_preemption_disabled+0x48/0x280
[  694.956761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.961607]  apic_timer_interrupt+0xf/0x20
[  694.965839]  </IRQ>
[  694.968073] RIP: 0010:smp_call_function_single+0x30a/0x660
[  694.973692] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  694.992592] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  695.000296] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  695.007558] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  695.014823] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  695.022086] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  695.029350] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  695.036642]  ? smp_call_function_single+0x351/0x660
[  695.041659]  ? smp_call_function_single+0x300/0x660
[  695.046685]  ? rcu_note_context_switch+0x12ad/0x2150
[  695.051783]  ? retint_kernel+0x2d/0x2d
[  695.055928]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  695.061809]  ? generic_exec_single+0x5f0/0x5f0
[  695.066489]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  695.072378]  ? zap_class+0x640/0x640
[  695.076090]  ? smp_call_function_single+0x302/0x660
[  695.081101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.086640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.092176]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  695.097185]  ? find_next_and_bit+0x183/0x1e0
[  695.101600]  smp_call_function_many+0x911/0xae0
[  695.106266]  ? __lock_acquire+0x62f/0x4c20
[  695.110499]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  695.116377]  ? _raw_spin_unlock_irq+0x27/0x80
[  695.120867]  ? _raw_spin_unlock_irq+0x27/0x80
[  695.125366]  ? smp_call_function_single_async+0x370/0x370
[  695.130906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.136438]  ? check_preemption_disabled+0x48/0x280
[  695.141453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.146984]  ? check_preemption_disabled+0x48/0x280
[  695.151998]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  695.157874]  on_each_cpu_mask+0x41/0x240
[  695.161932]  ? x86_configure_nx+0x110/0x110
[  695.166247]  on_each_cpu_cond_mask+0x171/0x210
[  695.170824]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  695.176704]  ? on_each_cpu_mask+0x240/0x240
[  695.181030]  native_flush_tlb_others+0x2ea/0x690
[  695.185785]  ? initialize_tlbstate_and_flush+0x380/0x380
[  695.191238]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  695.196264]  ? find_next_bit+0x104/0x130
[  695.200325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.205854]  ? find_next_bit+0x104/0x130
[  695.209928]  ? cpumask_next+0x41/0x50
[  695.213726]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  695.218739]  ? cpumask_any_but+0xb1/0xe0
[  695.223223]  flush_tlb_mm_range+0x2fe/0x5d0
[  695.227546]  ? fault_around_bytes_set+0x90/0x90
[  695.232239]  ? native_flush_tlb_others+0x690/0x690
[  695.237179]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  695.242724]  ? alloc_pages_current+0x17b/0x350
[  695.247310]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.252842]  ? __tlb_remove_page_size+0x187/0x500
[  695.257697]  unmap_page_range+0x1eef/0x2930
[  695.262035]  ? vm_normal_page_pmd+0x510/0x510
[  695.266533]  ? mark_held_locks+0x130/0x130
[  695.270769]  ? finish_task_switch+0x1f4/0x910
[  695.275259]  ? finish_task_switch+0x1b4/0x910
[  695.279751]  ? __switch_to_asm+0x34/0x70
[  695.283820]  ? zap_class+0x640/0x640
[  695.287532]  ? prepare_to_wait_event+0x39f/0xa10
[  695.292281]  ? tlb_table_flush+0xb4/0x5c0
[  695.296423]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  695.301522]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  695.306714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.312243]  ? tlb_flush_mmu_free+0x105/0x170
[  695.316740]  ? tlb_flush_mmu+0x58/0x520
[  695.320714]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  695.325213]  ? kasan_check_write+0x14/0x20
[  695.329444]  ? tlb_finish_mmu+0x166/0x1f0
[  695.333602]  ? tlb_gather_mmu+0x440/0x440
[  695.337754]  ? kasan_check_write+0x14/0x20
[  695.341988]  __oom_reap_task_mm+0xf7/0x410
[  695.346229]  ? process_shares_mm+0x460/0x460
[  695.350653]  oom_reaper+0x2b7/0x11e0
[  695.354376]  ? __oom_reap_task_mm+0x410/0x410
[  695.358872]  ? lock_pin_lock+0x350/0x350
[  695.362929]  ? finish_wait+0x430/0x430
[  695.366822]  ? __schedule+0x168a/0x21d0
[  695.370794]  ? __switch_to_asm+0x40/0x70
[  695.374850]  ? __switch_to_asm+0x40/0x70
[  695.378912]  ? zap_class+0x640/0x640
[  695.382628]  ? __sched_text_start+0x8/0x8
[  695.386778]  ? find_held_lock+0x36/0x1c0
[  695.390843]  ? __kthread_parkme+0xce/0x1a0
[  695.395081]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  695.400204]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  695.405319]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  695.409899]  ? trace_hardirqs_on+0xbd/0x310
[  695.414223]  ? kasan_check_read+0x11/0x20
[  695.418370]  ? __kthread_parkme+0xce/0x1a0
[  695.422603]  ? trace_hardirqs_off_caller+0x310/0x310
[  695.427720]  ? preempt_schedule+0x4d/0x60
[  695.431866]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  695.436963]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.442497]  ? __kthread_parkme+0xfb/0x1a0
[  695.446731]  ? __oom_reap_task_mm+0x410/0x410
[  695.451221]  kthread+0x35a/0x440
[  695.454587]  ? kthread_stop+0x900/0x900
[  695.458558]  ret_from_fork+0x3a/0x50
[  695.462277] warn_alloc_show_mem: 1 callbacks suppressed
[  695.462286] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  695.462288] Mem-Info:
[  695.462318] active_anon:44214 inactive_anon:199 isolated_anon:0
[  695.462318]  active_file:6 inactive_file:21 isolated_file:0
[  695.462318]  unevictable:0 dirty:0 writeback:0 unstable:0
[  695.462318]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  695.462318]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  695.462318]  free:13686 free_pcp:384 free_cma:0
[  695.467648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  695.467655] Call Trace:
[  695.475016] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  695.477402]  <IRQ>
[  695.510172] 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
[  695.519530]  dump_stack+0x244/0x39d
[  695.522079] lowmem_reserve[]: 0 2818 6321 6321
[  695.549418]  ? dump_stack_print_info.cold.1+0x20/0x20
[  695.551543] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  695.577817]  ? __wake_up+0xe/0x10
[  695.581407] lowmem_reserve[]: 0 0 3503 3503
[  695.586000]  warn_alloc.cold.116+0xb7/0x1bd
[  695.591157] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  695.620206]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  695.623629] lowmem_reserve[]: 0 0 0 0
[  695.627950]  ? lock_downgrade+0x900/0x900
[  695.632243] 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
[  695.661221]  ? trace_hardirqs_off+0xb8/0x310
[  695.666034] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  695.669829]  ? trace_hardirqs_off+0xb8/0x310
[  695.673954] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  695.687488]  __alloc_pages_slowpath+0x2651/0x2de0
[  695.691873] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  695.707047]  ? warn_alloc+0x120/0x120
[  695.711413] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  695.725007]  ? warn_alloc+0x120/0x120
[  695.729822] 271 total pagecache pages
[  695.738650]  ? zap_class+0x640/0x640
[  695.742429] 0 pages in swap cache
[  695.750984]  ? warn_alloc+0x120/0x120
[  695.754774] Swap cache stats: add 0, delete 0, find 0/0
[  695.758557]  ? print_usage_bug+0xc0/0xc0
[  695.762245] Free swap  = 0kB
[  695.765696]  ? print_usage_bug+0xc0/0xc0
[  695.769477] Total swap = 0kB
[  695.769485] 1965979 pages RAM
[  695.774840]  ? __lock_is_held+0xb5/0x140
[  695.778876] 0 pages HighMem/MovableOnly
[  695.778883] 342854 pages reserved
[  695.781892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.785918] 0 pages cma reserved
[  695.785977] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  695.788933]  ? should_fail+0x22d/0xd01
[  695.792063] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  695.796062]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.800011] oom_reaper cpuset=/ mems_allowed=0
[  695.803455]  ? __lock_acquire+0x62f/0x4c20
[  695.846935]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.852031]  ? __lock_acquire+0x62f/0x4c20
[  695.856266]  ? should_fail+0x22d/0xd01
[  695.860160]  ? mark_held_locks+0x130/0x130
[  695.864393]  ? mark_held_locks+0x130/0x130
[  695.868629]  ? __enqueue_entity+0x10d/0x1f0
[  695.872951]  ? zap_class+0x640/0x640
[  695.876662]  ? print_usage_bug+0xc0/0xc0
[  695.880720]  ? __lock_acquire+0x62f/0x4c20
[  695.884950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.890496]  ? check_preemption_disabled+0x48/0x280
[  695.895517]  ? __lock_is_held+0xb5/0x140
[  695.899593]  __alloc_pages_nodemask+0xad8/0xea0
[  695.904261]  ? zap_class+0x640/0x640
[  695.907972]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  695.912993]  ? find_held_lock+0x36/0x1c0
[  695.917065]  ? ____cache_alloc_node+0x1c7/0x1e0
[  695.921731]  ? lock_downgrade+0x900/0x900
[  695.925880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.931420]  cache_grow_begin+0xa5/0x8c0
[  695.935475]  ? do_raw_spin_unlock+0xa7/0x330
[  695.939886]  fallback_alloc+0x204/0x2e0
[  695.943862]  ____cache_alloc_node+0x1c7/0x1e0
[  695.948356]  kmem_cache_alloc_node+0xe3/0x730
[  695.952848]  ? ipv6_get_ifaddr+0x42e/0x620
[  695.957091]  __alloc_skb+0x119/0x770
[  695.960803]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  695.966091]  ? netdev_alloc_frag+0x1f0/0x1f0
[  695.970495]  ? lock_downgrade+0x900/0x900
[  695.974647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.980181]  ? refcount_sub_and_test_checked+0x203/0x310
[  695.985629]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  695.991079]  ? addrconf_rs_timer+0x690/0x690
[  695.995494]  ndisc_alloc_skb+0x144/0x340
[  695.999668]  ndisc_send_rs+0x331/0x6e0
[  696.003559]  addrconf_rs_timer+0x314/0x690
[  696.007794]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.012038]  call_timer_fn+0x272/0x920
[  696.015924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.020152]  ? process_timeout+0x40/0x40
[  696.024215]  ? __run_timers+0x7da/0xc70
[  696.028185]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.032675]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.037163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.041393]  ? lockdep_hardirqs_on+0x296/0x5b0
[  696.045970]  ? trace_hardirqs_on+0xbd/0x310
[  696.050284]  ? kasan_check_read+0x11/0x20
[  696.054727]  ? __run_timers+0x7da/0xc70
[  696.058698]  ? trace_hardirqs_off_caller+0x310/0x310
[  696.063815]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.068053]  __run_timers+0x7e5/0xc70
[  696.071858]  ? timer_fixup_init+0x70/0x70
[  696.076002]  ? lock_acquire+0x1ed/0x520
[  696.079974]  ? zap_class+0x640/0x640
[  696.083683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.089220]  ? kasan_check_read+0x11/0x20
[  696.093360]  ? do_raw_spin_lock+0x14f/0x350
[  696.097682]  ? find_held_lock+0x36/0x1c0
[  696.101744]  ? zap_class+0x640/0x640
[  696.105544]  ? pvclock_read_flags+0x160/0x160
[  696.110035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.115576]  ? check_preemption_disabled+0x48/0x280
[  696.120612]  ? __lock_is_held+0xb5/0x140
[  696.124671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.130207]  ? check_preemption_disabled+0x48/0x280
[  696.135225]  run_timer_softirq+0x52/0xb0
[  696.139282]  ? rcu_read_lock_sched_held+0x14f/0x180
[  696.144293]  __do_softirq+0x308/0xb7e
[  696.148095]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  696.152758]  ? lock_downgrade+0x900/0x900
[  696.156907]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  696.162014]  ? pvclock_read_flags+0x160/0x160
[  696.166526]  ? lapic_next_event+0x5a/0x90
[  696.170671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.176206]  ? kvm_clock_read+0x18/0x30
[  696.180179]  ? kvm_sched_clock_read+0x9/0x20
[  696.184587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.190121]  ? check_preemption_disabled+0x48/0x280
[  696.195145]  irq_exit+0x17f/0x1c0
[  696.198595]  smp_apic_timer_interrupt+0x1cb/0x760
[  696.203433]  ? smp_call_function_single_interrupt+0x159/0x650
[  696.209319]  ? smp_call_function_single_interrupt+0x650/0x650
[  696.215198]  ? interrupt_entry+0xb5/0xc0
[  696.219257]  ? trace_hardirqs_off_caller+0xbb/0x310
[  696.224267]  ? trace_hardirqs_off_caller+0xbb/0x310
[  696.229284]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  696.234122]  ? trace_hardirqs_on_caller+0x310/0x310
[  696.239148]  ? trace_hardirqs_on_caller+0x310/0x310
[  696.244507]  ? task_prio+0x50/0x50
[  696.248049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.253582]  ? check_preemption_disabled+0x48/0x280
[  696.258600]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  696.263460]  apic_timer_interrupt+0xf/0x20
[  696.267685]  </IRQ>
[  696.269921] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  696.274847] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  696.293740] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  696.301441] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  696.308705] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  696.315972] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  696.323234] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  696.330497] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  696.337804]  skb_clone+0x1bb/0x500
[  696.341341]  ? finish_task_switch+0x1b4/0x910
[  696.345833]  ? skb_split+0x11e0/0x11e0
[  696.349717]  ? preempt_notifier_register+0x200/0x200
[  696.354814]  ? __switch_to_asm+0x34/0x70
[  696.358867]  ? __switch_to_asm+0x34/0x70
[  696.362922]  ? __switch_to_asm+0x40/0x70
[  696.366976]  ? __switch_to_asm+0x34/0x70
[  696.371039]  ? __switch_to_asm+0x40/0x70
[  696.375093]  ? __switch_to_asm+0x34/0x70
[  696.379147]  ? __switch_to_asm+0x40/0x70
[  696.383200]  ? __switch_to_asm+0x34/0x70
[  696.387272]  ? __switch_to_asm+0x34/0x70
[  696.391341]  ? __switch_to_asm+0x40/0x70
[  696.395395]  ? __switch_to_asm+0x34/0x70
[  696.399459]  bpf_clone_redirect+0xb9/0x490
[  696.403688]  ? __schedule+0x8d7/0x21d0
[  696.407574]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  696.412595]  ? __sched_text_start+0x8/0x8
[  696.416739]  ? retint_kernel+0x2d/0x2d
[  696.420633]  ? find_held_lock+0x36/0x1c0
[  696.424700]  ? lock_acquire+0x1ed/0x520
[  696.428669]  ? bpf_test_run+0x3ee/0x7a0
[  696.432643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.438204]  ? check_preemption_disabled+0x48/0x280
[  696.443220]  ? kasan_check_read+0x11/0x20
[  696.447362]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.452633]  ? rcu_softirq_qs+0x20/0x20
[  696.456603]  ? preempt_schedule+0x4d/0x60
[  696.460752]  ? ___preempt_schedule+0x16/0x18
[  696.465169]  ? bpf_test_run+0x271/0x7a0
[  696.469149]  ? netlink_diag_dump+0x2a0/0x2a0
[  696.473554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.479088]  ? bpf_test_init.isra.10+0x70/0x100
[  696.483774]  ? bpf_prog_test_run_skb+0x762/0xd60
[  696.488537]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  696.493380]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  696.498909]  ? fput+0x130/0x1a0
[  696.502273]  ? __bpf_prog_get+0x9b/0x290
[  696.506352]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  696.511190]  ? bpf_prog_test_run+0x130/0x1a0
[  696.515594]  ? __x64_sys_bpf+0x3d8/0x520
[  696.519648]  ? bpf_prog_get+0x20/0x20
[  696.523459]  ? do_syscall_64+0x1b9/0x820
[  696.527514]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  696.532875]  ? syscall_return_slowpath+0x5e0/0x5e0
[  696.537798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  696.542651]  ? trace_hardirqs_on_caller+0x310/0x310
[  696.547666]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  696.552680]  ? prepare_exit_to_usermode+0x291/0x3b0
[  696.557696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  696.562542]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  696.567916] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  696.567973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  696.574943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  696.574948] Call Trace:
[  696.574954]  <IRQ>
[  696.574969]  dump_stack+0x244/0x39d
[  696.574988]  ? dump_stack_print_info.cold.1+0x20/0x20
[  696.581513] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  696.590804]  ? __wake_up+0xe/0x10
[  696.593359] syz-executor0 cpuset=syz0 mems_allowed=0
[  696.595506]  warn_alloc.cold.116+0xb7/0x1bd
[  696.627612]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  696.632470]  ? lock_downgrade+0x900/0x900
[  696.636620]  ? trace_hardirqs_off+0xb8/0x310
[  696.641039]  ? trace_hardirqs_off+0xb8/0x310
[  696.645449]  __alloc_pages_slowpath+0x2651/0x2de0
[  696.650313]  ? warn_alloc+0x120/0x120
[  696.654112]  ? print_usage_bug+0xc0/0xc0
[  696.658169]  ? warn_alloc+0x120/0x120
[  696.661971]  ? warn_alloc+0x120/0x120
[  696.665775]  ? print_usage_bug+0xc0/0xc0
[  696.669837]  ? print_usage_bug+0xc0/0xc0
[  696.673894]  ? __lock_acquire+0x62f/0x4c20
[  696.678131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.683665]  ? should_fail+0x22d/0xd01
[  696.687552]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  696.692649]  ? __lock_acquire+0x62f/0x4c20
[  696.696881]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  696.701981]  ? __lock_acquire+0x62f/0x4c20
[  696.706224]  ? should_fail+0x22d/0xd01
[  696.710108]  ? find_held_lock+0x36/0x1c0
[  696.714182]  ? mark_held_locks+0x130/0x130
[  696.718416]  ? mark_held_locks+0x130/0x130
[  696.722644]  ? zap_class+0x640/0x640
[  696.726361]  ? zap_class+0x640/0x640
[  696.730092]  ? print_usage_bug+0xc0/0xc0
[  696.734147]  ? do_raw_spin_unlock+0xa7/0x330
[  696.738550]  ? zap_class+0x640/0x640
[  696.742265]  ? print_usage_bug+0xc0/0xc0
[  696.746322]  ? wq_watchdog_touch+0x9c/0xfe
[  696.750554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.756087]  ? check_preemption_disabled+0x48/0x280
[  696.761108]  ? __lock_is_held+0xb5/0x140
[  696.765261]  __alloc_pages_nodemask+0xad8/0xea0
[  696.769924]  ? zap_class+0x640/0x640
[  696.773637]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  696.778659]  ? find_held_lock+0x36/0x1c0
[  696.782726]  ? ____cache_alloc_node+0x1c7/0x1e0
[  696.787412]  ? lock_downgrade+0x900/0x900
[  696.791562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.797102]  cache_grow_begin+0xa5/0x8c0
[  696.801165]  ? do_raw_spin_unlock+0xa7/0x330
[  696.805573]  fallback_alloc+0x204/0x2e0
[  696.809548]  ____cache_alloc_node+0x1c7/0x1e0
[  696.814044]  kmem_cache_alloc_node+0xe3/0x730
[  696.818534]  ? ipv6_get_ifaddr+0x42e/0x620
[  696.822777]  __alloc_skb+0x119/0x770
[  696.826485]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.831773]  ? netdev_alloc_frag+0x1f0/0x1f0
[  696.836176]  ? lock_downgrade+0x900/0x900
[  696.840327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.845860]  ? refcount_sub_and_test_checked+0x203/0x310
[  696.851310]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  696.856757]  ? addrconf_rs_timer+0x690/0x690
[  696.861167]  ndisc_alloc_skb+0x144/0x340
[  696.865315]  ndisc_send_rs+0x331/0x6e0
[  696.869205]  addrconf_rs_timer+0x314/0x690
[  696.873442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.877684]  call_timer_fn+0x272/0x920
[  696.881569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.885811]  ? process_timeout+0x40/0x40
[  696.889876]  ? mark_held_locks+0xc7/0x130
[  696.894021]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.898510]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.903001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.907235]  ? lockdep_hardirqs_on+0x296/0x5b0
[  696.911815]  ? trace_hardirqs_on+0xbd/0x310
[  696.916131]  ? kasan_check_read+0x11/0x20
[  696.920274]  ? __run_timers+0x7da/0xc70
[  696.924251]  ? trace_hardirqs_off_caller+0x310/0x310
[  696.929352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.933584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.937816]  __run_timers+0x7e5/0xc70
[  696.941618]  ? timer_fixup_init+0x70/0x70
[  696.945765]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  696.950776]  ? zap_class+0x640/0x640
[  696.954489]  ? print_usage_bug+0xc0/0xc0
[  696.958547]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  696.963741]  ? find_held_lock+0x36/0x1c0
[  696.967801]  ? zap_class+0x640/0x640
[  696.971514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.977047]  ? check_preemption_disabled+0x48/0x280
[  696.982068]  ? __lock_is_held+0xb5/0x140
[  696.986124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.991658]  ? check_preemption_disabled+0x48/0x280
[  696.996674]  run_timer_softirq+0x52/0xb0
[  697.000819]  ? rcu_read_lock_sched_held+0x14f/0x180
[  697.005830]  __do_softirq+0x308/0xb7e
[  697.009632]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  697.014122]  ? lock_downgrade+0x900/0x900
[  697.018268]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  697.023373]  ? pvclock_read_flags+0x160/0x160
[  697.027865]  ? lapic_next_event+0x5a/0x90
[  697.032009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.037544]  ? kvm_clock_read+0x18/0x30
[  697.041514]  ? kvm_sched_clock_read+0x9/0x20
[  697.045918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.051450]  ? check_preemption_disabled+0x48/0x280
[  697.056701]  irq_exit+0x17f/0x1c0
[  697.060151]  smp_apic_timer_interrupt+0x1cb/0x760
[  697.064992]  ? smp_call_function_single_interrupt+0x159/0x650
[  697.070872]  ? smp_call_function_single_interrupt+0x650/0x650
[  697.076751]  ? interrupt_entry+0xb5/0xc0
[  697.080807]  ? trace_hardirqs_off_caller+0xbb/0x310
[  697.085816]  ? trace_hardirqs_off_caller+0xbb/0x310
[  697.090828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.095677]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.100773]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.105795]  ? task_prio+0x50/0x50
[  697.109341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.114887]  ? check_preemption_disabled+0x48/0x280
[  697.119904]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.124748]  apic_timer_interrupt+0xf/0x20
[  697.128979]  </IRQ>
[  697.131234] RIP: 0010:smp_call_function_single+0x30a/0x660
[  697.136870] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  697.155777] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  697.163570] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  697.170835] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  697.178097] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  697.185372] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  697.192636] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  697.199910]  ? smp_call_function_single+0x351/0x660
[  697.204926]  ? smp_call_function_single+0x300/0x660
[  697.209957]  ? rcu_note_context_switch+0x12ad/0x2150
[  697.215066]  ? retint_kernel+0x2d/0x2d
[  697.218957]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  697.225220]  ? generic_exec_single+0x5f0/0x5f0
[  697.229805]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  697.235685]  ? zap_class+0x640/0x640
[  697.239396]  ? smp_call_function_single+0x302/0x660
[  697.244407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.249947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.255494]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  697.260605]  ? find_next_and_bit+0x183/0x1e0
[  697.265018]  smp_call_function_many+0x911/0xae0
[  697.269685]  ? __lock_acquire+0x62f/0x4c20
[  697.273922]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  697.279816]  ? _raw_spin_unlock_irq+0x27/0x80
[  697.284325]  ? _raw_spin_unlock_irq+0x27/0x80
[  697.288836]  ? smp_call_function_single_async+0x370/0x370
[  697.294375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.299909]  ? check_preemption_disabled+0x48/0x280
[  697.304937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.310469]  ? check_preemption_disabled+0x48/0x280
[  697.315485]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  697.321381]  on_each_cpu_mask+0x41/0x240
[  697.325449]  ? x86_configure_nx+0x110/0x110
[  697.329764]  on_each_cpu_cond_mask+0x171/0x210
[  697.334356]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  697.340247]  ? on_each_cpu_mask+0x240/0x240
[  697.344573]  native_flush_tlb_others+0x2ea/0x690
[  697.349324]  ? initialize_tlbstate_and_flush+0x380/0x380
[  697.354776]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  697.359784]  ? find_next_bit+0x104/0x130
[  697.363843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.369390]  ? find_next_bit+0x104/0x130
[  697.373452]  ? cpumask_next+0x41/0x50
[  697.377250]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  697.382263]  ? cpumask_any_but+0xb1/0xe0
[  697.386323]  flush_tlb_mm_range+0x2fe/0x5d0
[  697.390640]  ? fault_around_bytes_set+0x90/0x90
[  697.395314]  ? native_flush_tlb_others+0x690/0x690
[  697.400237]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  697.405779]  ? alloc_pages_current+0x17b/0x350
[  697.410362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.415893]  ? __tlb_remove_page_size+0x187/0x500
[  697.420737]  unmap_page_range+0x1eef/0x2930
[  697.425080]  ? vm_normal_page_pmd+0x510/0x510
[  697.429575]  ? mark_held_locks+0x130/0x130
[  697.433804]  ? finish_task_switch+0x1f4/0x910
[  697.438293]  ? finish_task_switch+0x1b4/0x910
[  697.442900]  ? __switch_to_asm+0x34/0x70
[  697.446988]  ? zap_class+0x640/0x640
[  697.450703]  ? prepare_to_wait_event+0x39f/0xa10
[  697.455452]  ? tlb_table_flush+0xb4/0x5c0
[  697.459593]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  697.464690]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  697.469791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.475323]  ? tlb_flush_mmu_free+0x105/0x170
[  697.479815]  ? tlb_flush_mmu+0x58/0x520
[  697.483793]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  697.488286]  ? kasan_check_write+0x14/0x20
[  697.492531]  ? tlb_finish_mmu+0x166/0x1f0
[  697.496761]  ? tlb_gather_mmu+0x440/0x440
[  697.500905]  ? kasan_check_write+0x14/0x20
[  697.505145]  __oom_reap_task_mm+0xf7/0x410
[  697.509380]  ? process_shares_mm+0x460/0x460
[  697.513807]  oom_reaper+0x2b7/0x11e0
[  697.517540]  ? __oom_reap_task_mm+0x410/0x410
[  697.522029]  ? lock_pin_lock+0x350/0x350
[  697.526087]  ? finish_wait+0x430/0x430
[  697.529975]  ? __schedule+0x168a/0x21d0
[  697.533944]  ? __switch_to_asm+0x40/0x70
[  697.537998]  ? __switch_to_asm+0x40/0x70
[  697.542064]  ? zap_class+0x640/0x640
[  697.545783]  ? __sched_text_start+0x8/0x8
[  697.549936]  ? find_held_lock+0x36/0x1c0
[  697.553999]  ? __kthread_parkme+0xce/0x1a0
[  697.558230]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  697.563325]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  697.568424]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  697.573004]  ? trace_hardirqs_on+0xbd/0x310
[  697.577321]  ? kasan_check_read+0x11/0x20
[  697.581465]  ? __kthread_parkme+0xce/0x1a0
[  697.585698]  ? trace_hardirqs_off_caller+0x310/0x310
[  697.590798]  ? preempt_schedule+0x4d/0x60
[  697.594948]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  697.600046]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.605578]  ? __kthread_parkme+0xfb/0x1a0
[  697.609823]  ? __oom_reap_task_mm+0x410/0x410
[  697.614400]  kthread+0x35a/0x440
[  697.617761]  ? kthread_stop+0x900/0x900
[  697.621730]  ret_from_fork+0x3a/0x50
[  697.625455] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  697.625460] warn_alloc_show_mem: 1 callbacks suppressed
[  697.625466] Mem-Info:
[  697.632811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  697.632817] Call Trace:
[  697.638197] active_anon:44214 inactive_anon:199 isolated_anon:0
[  697.638197]  active_file:6 inactive_file:21 isolated_file:0
[  697.638197]  unevictable:0 dirty:0 writeback:0 unstable:0
[  697.638197]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  697.638197]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  697.638197]  free:13686 free_pcp:384 free_cma:0
[  697.640572]  <IRQ>
[  697.649933] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  697.652520]  dump_stack+0x244/0x39d
[  697.685379] 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
[  697.687522]  ? dump_stack_print_info.cold.1+0x20/0x20
[  697.714819] lowmem_reserve[]: 0 2818 6321 6321
[  697.718455]  ? __wake_up+0xe/0x10
[  697.744534] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  697.749717]  warn_alloc.cold.116+0xb7/0x1bd
[  697.754264] lowmem_reserve[]: 0 0 3503 3503
[  697.757719]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  697.785100] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  697.789414]  ? lock_downgrade+0x900/0x900
[  697.793704] lowmem_reserve[]: 0 0 0 0
[  697.798543]  ? trace_hardirqs_off+0xb8/0x310
[  697.827482] 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
[  697.831623]  ? trace_hardirqs_off+0xb8/0x310
[  697.835394] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  697.839800]  __alloc_pages_slowpath+0x2651/0x2de0
[  697.853286] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  697.857711]  ? warn_alloc+0x120/0x120
[  697.872841] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  697.877688]  ? print_usage_bug+0xc0/0xc0
[  697.891273] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  697.895054]  ? warn_alloc+0x120/0x120
[  697.903862] 271 total pagecache pages
[  697.907917]  ? warn_alloc+0x120/0x120
[  697.916473] 0 pages in swap cache
[  697.920252]  ? print_usage_bug+0xc0/0xc0
[  697.924041] Swap cache stats: add 0, delete 0, find 0/0
[  697.927825]  ? print_usage_bug+0xc0/0xc0
[  697.931248] Free swap  = 0kB
[  697.935294]  ? __lock_acquire+0x62f/0x4c20
[  697.940626] Total swap = 0kB
[  697.940638] 1965979 pages RAM
[  697.944688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.947675] 0 pages HighMem/MovableOnly
[  697.947682] 342854 pages reserved
[  697.951908]  ? should_fail+0x22d/0xd01
[  697.954899] 0 pages cma reserved
[  697.957993]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  697.963576] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  697.967466]  ? __lock_acquire+0x62f/0x4c20
[  697.970949] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  697.974769]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  697.978109] oom_reaper cpuset=/ mems_allowed=0
[  697.983199]  ? __lock_acquire+0x62f/0x4c20
[  698.017959]  ? should_fail+0x22d/0xd01
[  698.021844]  ? find_held_lock+0x36/0x1c0
[  698.025912]  ? mark_held_locks+0x130/0x130
[  698.030245]  ? mark_held_locks+0x130/0x130
[  698.034473]  ? zap_class+0x640/0x640
[  698.038180]  ? zap_class+0x640/0x640
[  698.041985]  ? print_usage_bug+0xc0/0xc0
[  698.046039]  ? do_raw_spin_unlock+0xa7/0x330
[  698.050440]  ? zap_class+0x640/0x640
[  698.054374]  ? print_usage_bug+0xc0/0xc0
[  698.058432]  ? wq_watchdog_touch+0x9c/0xfe
[  698.062671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.068205]  ? check_preemption_disabled+0x48/0x280
[  698.073223]  ? __lock_is_held+0xb5/0x140
[  698.077285]  __alloc_pages_nodemask+0xad8/0xea0
[  698.081950]  ? zap_class+0x640/0x640
[  698.085663]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  698.090695]  ? find_held_lock+0x36/0x1c0
[  698.094787]  ? ____cache_alloc_node+0x1c7/0x1e0
[  698.099453]  ? lock_downgrade+0x900/0x900
[  698.103604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.109147]  cache_grow_begin+0xa5/0x8c0
[  698.113203]  ? do_raw_spin_unlock+0xa7/0x330
[  698.117633]  fallback_alloc+0x204/0x2e0
[  698.121608]  ____cache_alloc_node+0x1c7/0x1e0
[  698.126110]  kmem_cache_alloc_node+0xe3/0x730
[  698.130622]  ? ipv6_get_ifaddr+0x42e/0x620
[  698.134873]  __alloc_skb+0x119/0x770
[  698.138584]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.143871]  ? netdev_alloc_frag+0x1f0/0x1f0
[  698.148276]  ? lock_downgrade+0x900/0x900
[  698.152425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.158043]  ? refcount_sub_and_test_checked+0x203/0x310
[  698.163495]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  698.168955]  ? addrconf_rs_timer+0x690/0x690
[  698.173369]  ndisc_alloc_skb+0x144/0x340
[  698.177444]  ndisc_send_rs+0x331/0x6e0
[  698.181332]  addrconf_rs_timer+0x314/0x690
[  698.185569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  698.189809]  call_timer_fn+0x272/0x920
[  698.193698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  698.197949]  ? process_timeout+0x40/0x40
[  698.202010]  ? __run_timers+0x7da/0xc70
[  698.205983]  ? _raw_spin_unlock_irq+0x27/0x80
[  698.210476]  ? _raw_spin_unlock_irq+0x27/0x80
[  698.214966]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  698.219204]  ? lockdep_hardirqs_on+0x296/0x5b0
[  698.223784]  ? trace_hardirqs_on+0xbd/0x310
[  698.228103]  ? kasan_check_read+0x11/0x20
[  698.232244]  ? __run_timers+0x7da/0xc70
[  698.236219]  ? trace_hardirqs_off_caller+0x310/0x310
[  698.241325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  698.245559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  698.249786]  __run_timers+0x7e5/0xc70
[  698.253592]  ? timer_fixup_init+0x70/0x70
[  698.257743]  ? lock_acquire+0x1ed/0x520
[  698.261714]  ? zap_class+0x640/0x640
[  698.265425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.270962]  ? kasan_check_read+0x11/0x20
[  698.275104]  ? do_raw_spin_lock+0x14f/0x350
[  698.279429]  ? find_held_lock+0x36/0x1c0
[  698.283492]  ? zap_class+0x640/0x640
[  698.287209]  ? pvclock_read_flags+0x160/0x160
[  698.291802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.297335]  ? check_preemption_disabled+0x48/0x280
[  698.302354]  ? __lock_is_held+0xb5/0x140
[  698.306412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.311947]  ? check_preemption_disabled+0x48/0x280
[  698.316965]  run_timer_softirq+0x52/0xb0
[  698.321020]  ? rcu_read_lock_sched_held+0x14f/0x180
[  698.326051]  __do_softirq+0x308/0xb7e
[  698.329859]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  698.334360]  ? lock_downgrade+0x900/0x900
[  698.338511]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  698.343619]  ? pvclock_read_flags+0x160/0x160
[  698.348110]  ? lapic_next_event+0x5a/0x90
[  698.352257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.357797]  ? kvm_clock_read+0x18/0x30
[  698.361767]  ? kvm_sched_clock_read+0x9/0x20
[  698.366174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.371706]  ? check_preemption_disabled+0x48/0x280
[  698.376727]  irq_exit+0x17f/0x1c0
[  698.380174]  smp_apic_timer_interrupt+0x1cb/0x760
[  698.385011]  ? smp_call_function_single_interrupt+0x159/0x650
[  698.390891]  ? smp_call_function_single_interrupt+0x650/0x650
[  698.396770]  ? interrupt_entry+0xb5/0xc0
[  698.400827]  ? trace_hardirqs_off_caller+0xbb/0x310
[  698.405849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  698.410868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.415707]  ? trace_hardirqs_on_caller+0x310/0x310
[  698.420717]  ? trace_hardirqs_on_caller+0x310/0x310
[  698.425727]  ? task_prio+0x50/0x50
[  698.429265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.434883]  ? check_preemption_disabled+0x48/0x280
[  698.439903]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.444747]  apic_timer_interrupt+0xf/0x20
[  698.448971]  </IRQ>
[  698.451206] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  698.456145] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  698.475574] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  698.483281] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  698.490544] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  698.497808] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  698.505074] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  698.512337] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  698.519635]  skb_clone+0x1bb/0x500
[  698.523171]  ? finish_task_switch+0x1b4/0x910
[  698.527665]  ? skb_split+0x11e0/0x11e0
[  698.531549]  ? preempt_notifier_register+0x200/0x200
[  698.536653]  ? __switch_to_asm+0x34/0x70
[  698.540707]  ? __switch_to_asm+0x34/0x70
[  698.544760]  ? __switch_to_asm+0x40/0x70
[  698.548815]  ? __switch_to_asm+0x34/0x70
[  698.552876]  ? __switch_to_asm+0x40/0x70
[  698.556928]  ? __switch_to_asm+0x34/0x70
[  698.560982]  ? __switch_to_asm+0x40/0x70
[  698.565037]  ? __switch_to_asm+0x34/0x70
[  698.569090]  ? __switch_to_asm+0x34/0x70
[  698.573143]  ? __switch_to_asm+0x40/0x70
[  698.577195]  ? __switch_to_asm+0x34/0x70
[  698.581258]  bpf_clone_redirect+0xb9/0x490
[  698.585492]  ? __schedule+0x8d7/0x21d0
[  698.589378]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  698.594479]  ? __sched_text_start+0x8/0x8
[  698.598620]  ? retint_kernel+0x2d/0x2d
[  698.602509]  ? find_held_lock+0x36/0x1c0
[  698.606577]  ? lock_acquire+0x1ed/0x520
[  698.610546]  ? bpf_test_run+0x3ee/0x7a0
[  698.614520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.620056]  ? check_preemption_disabled+0x48/0x280
[  698.625073]  ? kasan_check_read+0x11/0x20
[  698.629215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.634504]  ? rcu_softirq_qs+0x20/0x20
[  698.638474]  ? preempt_schedule+0x4d/0x60
[  698.642620]  ? ___preempt_schedule+0x16/0x18
[  698.647031]  ? bpf_test_run+0x271/0x7a0
[  698.651009]  ? netlink_diag_dump+0x2a0/0x2a0
[  698.655418]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.660953]  ? bpf_test_init.isra.10+0x70/0x100
[  698.665624]  ? bpf_prog_test_run_skb+0x762/0xd60
[  698.670382]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  698.675226]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  698.680772]  ? fput+0x130/0x1a0
[  698.684054]  ? __bpf_prog_get+0x9b/0x290
[  698.688122]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  698.692974]  ? bpf_prog_test_run+0x130/0x1a0
[  698.697381]  ? __x64_sys_bpf+0x3d8/0x520
[  698.701449]  ? bpf_prog_get+0x20/0x20
[  698.705264]  ? do_syscall_64+0x1b9/0x820
[  698.709318]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  698.714682]  ? syscall_return_slowpath+0x5e0/0x5e0
[  698.719609]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.724447]  ? trace_hardirqs_on_caller+0x310/0x310
[  698.729464]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  698.734481]  ? prepare_exit_to_usermode+0x291/0x3b0
[  698.739499]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.744343]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  698.749718] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  698.749775] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  698.756725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  698.756729] Call Trace:
[  698.756735]  <IRQ>
[  698.756751]  dump_stack+0x244/0x39d
[  698.756770]  ? dump_stack_print_info.cold.1+0x20/0x20
[  698.763405] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  698.772596]  ? __wake_up+0xe/0x10
[  698.775150] syz-executor0 cpuset=syz0 mems_allowed=0
[  698.777293]  warn_alloc.cold.116+0xb7/0x1bd
[  698.809365]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  698.814204]  ? lock_downgrade+0x900/0x900
[  698.818353]  ? trace_hardirqs_off+0xb8/0x310
[  698.822762]  ? trace_hardirqs_off+0xb8/0x310
[  698.827181]  __alloc_pages_slowpath+0x2651/0x2de0
[  698.832214]  ? warn_alloc+0x120/0x120
[  698.836011]  ? print_usage_bug+0xc0/0xc0
[  698.840072]  ? warn_alloc+0x120/0x120
[  698.843869]  ? warn_alloc+0x120/0x120
[  698.847666]  ? print_usage_bug+0xc0/0xc0
[  698.851726]  ? print_usage_bug+0xc0/0xc0
[  698.855796]  ? __lock_acquire+0x62f/0x4c20
[  698.860031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.865565]  ? should_fail+0x22d/0xd01
[  698.869538]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  698.874636]  ? __lock_acquire+0x62f/0x4c20
[  698.878871]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  698.883968]  ? __lock_acquire+0x62f/0x4c20
[  698.888200]  ? should_fail+0x22d/0xd01
[  698.892083]  ? find_held_lock+0x36/0x1c0
[  698.896147]  ? mark_held_locks+0x130/0x130
[  698.900381]  ? mark_held_locks+0x130/0x130
[  698.904608]  ? zap_class+0x640/0x640
[  698.908327]  ? zap_class+0x640/0x640
[  698.912048]  ? print_usage_bug+0xc0/0xc0
[  698.916103]  ? do_raw_spin_unlock+0xa7/0x330
[  698.920505]  ? zap_class+0x640/0x640
[  698.924213]  ? print_usage_bug+0xc0/0xc0
[  698.928271]  ? wq_watchdog_touch+0x9c/0xfe
[  698.932503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.938035]  ? check_preemption_disabled+0x48/0x280
[  698.943075]  ? __lock_is_held+0xb5/0x140
[  698.947138]  __alloc_pages_nodemask+0xad8/0xea0
[  698.951809]  ? zap_class+0x640/0x640
[  698.955523]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  698.960543]  ? find_held_lock+0x36/0x1c0
[  698.964607]  ? ____cache_alloc_node+0x1c7/0x1e0
[  698.969271]  ? lock_downgrade+0x900/0x900
[  698.973420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.978955]  cache_grow_begin+0xa5/0x8c0
[  698.983011]  ? do_raw_spin_unlock+0xa7/0x330
[  698.987423]  fallback_alloc+0x204/0x2e0
[  698.991401]  ____cache_alloc_node+0x1c7/0x1e0
[  698.995895]  kmem_cache_alloc_node+0xe3/0x730
[  699.000388]  ? ipv6_get_ifaddr+0x42e/0x620
[  699.004633]  __alloc_skb+0x119/0x770
[  699.008342]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  699.013617]  ? netdev_alloc_frag+0x1f0/0x1f0
[  699.018020]  ? lock_downgrade+0x900/0x900
[  699.022171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.027704]  ? refcount_sub_and_test_checked+0x203/0x310
[  699.033168]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  699.038615]  ? addrconf_rs_timer+0x690/0x690
[  699.043037]  ndisc_alloc_skb+0x144/0x340
[  699.047101]  ndisc_send_rs+0x331/0x6e0
[  699.050988]  addrconf_rs_timer+0x314/0x690
[  699.055472]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.059713]  call_timer_fn+0x272/0x920
[  699.063598]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.067829]  ? process_timeout+0x40/0x40
[  699.071892]  ? mark_held_locks+0xc7/0x130
[  699.076042]  ? _raw_spin_unlock_irq+0x27/0x80
[  699.080538]  ? _raw_spin_unlock_irq+0x27/0x80
[  699.085032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.089261]  ? lockdep_hardirqs_on+0x296/0x5b0
[  699.093844]  ? trace_hardirqs_on+0xbd/0x310
[  699.098174]  ? kasan_check_read+0x11/0x20
[  699.102316]  ? __run_timers+0x7da/0xc70
[  699.106419]  ? trace_hardirqs_off_caller+0x310/0x310
[  699.111521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.115755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.119999]  __run_timers+0x7e5/0xc70
[  699.123806]  ? timer_fixup_init+0x70/0x70
[  699.127951]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  699.132961]  ? zap_class+0x640/0x640
[  699.136675]  ? print_usage_bug+0xc0/0xc0
[  699.140732]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  699.145940]  ? find_held_lock+0x36/0x1c0
[  699.150007]  ? zap_class+0x640/0x640
[  699.153736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.159276]  ? check_preemption_disabled+0x48/0x280
[  699.164295]  ? __lock_is_held+0xb5/0x140
[  699.168352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.173885]  ? check_preemption_disabled+0x48/0x280
[  699.178903]  run_timer_softirq+0x52/0xb0
[  699.182961]  ? rcu_read_lock_sched_held+0x14f/0x180
[  699.187970]  __do_softirq+0x308/0xb7e
[  699.191774]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  699.196267]  ? lock_downgrade+0x900/0x900
[  699.200413]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  699.205520]  ? pvclock_read_flags+0x160/0x160
[  699.210011]  ? lapic_next_event+0x5a/0x90
[  699.214161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.220077]  ? kvm_clock_read+0x18/0x30
[  699.224049]  ? kvm_sched_clock_read+0x9/0x20
[  699.228456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.233991]  ? check_preemption_disabled+0x48/0x280
[  699.239017]  irq_exit+0x17f/0x1c0
[  699.242468]  smp_apic_timer_interrupt+0x1cb/0x760
[  699.247305]  ? smp_call_function_single_interrupt+0x159/0x650
[  699.253449]  ? smp_call_function_single_interrupt+0x650/0x650
[  699.259337]  ? interrupt_entry+0xb5/0xc0
[  699.263493]  ? trace_hardirqs_off_caller+0xbb/0x310
[  699.268505]  ? trace_hardirqs_off_caller+0xbb/0x310
[  699.273517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  699.278355]  ? trace_hardirqs_on_caller+0x310/0x310
[  699.283368]  ? trace_hardirqs_on_caller+0x310/0x310
[  699.288378]  ? task_prio+0x50/0x50
[  699.291915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.297451]  ? check_preemption_disabled+0x48/0x280
[  699.302478]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  699.307321]  apic_timer_interrupt+0xf/0x20
[  699.311546]  </IRQ>
[  699.313783] RIP: 0010:smp_call_function_single+0x30a/0x660
[  699.319401] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  699.338557] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  699.346266] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  699.353537] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  699.360799] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  699.368070] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  699.375332] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  699.382609]  ? smp_call_function_single+0x351/0x660
[  699.387621]  ? smp_call_function_single+0x300/0x660
[  699.392637]  ? rcu_note_context_switch+0x12ad/0x2150
[  699.397733]  ? retint_kernel+0x2d/0x2d
[  699.401639]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  699.407518]  ? generic_exec_single+0x5f0/0x5f0
[  699.412099]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  699.417982]  ? zap_class+0x640/0x640
[  699.421693]  ? smp_call_function_single+0x302/0x660
[  699.426703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.432260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.437790]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  699.442800]  ? find_next_and_bit+0x183/0x1e0
[  699.447225]  smp_call_function_many+0x911/0xae0
[  699.451907]  ? __lock_acquire+0x62f/0x4c20
[  699.456136]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  699.462019]  ? _raw_spin_unlock_irq+0x27/0x80
[  699.466512]  ? _raw_spin_unlock_irq+0x27/0x80
[  699.471021]  ? smp_call_function_single_async+0x370/0x370
[  699.476554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.482087]  ? check_preemption_disabled+0x48/0x280
[  699.487100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.492646]  ? check_preemption_disabled+0x48/0x280
[  699.497667]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  699.503550]  on_each_cpu_mask+0x41/0x240
[  699.507628]  ? x86_configure_nx+0x110/0x110
[  699.511946]  on_each_cpu_cond_mask+0x171/0x210
[  699.516529]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  699.522410]  ? on_each_cpu_mask+0x240/0x240
[  699.526746]  native_flush_tlb_others+0x2ea/0x690
[  699.531504]  ? initialize_tlbstate_and_flush+0x380/0x380
[  699.536960]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  699.541994]  ? find_next_bit+0x104/0x130
[  699.546055]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  699.551586]  ? find_next_bit+0x104/0x130
[  699.555644]  ? cpumask_next+0x41/0x50
[  699.559443]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  699.564457]  ? cpumask_any_but+0xb1/0xe0
[  699.568517]  flush_tlb_mm_range+0x2fe/0x5d0
[  699.572836]  ? fault_around_bytes_set+0x90/0x90
[  699.577506]  ? native_flush_tlb_others+0x690/0x690
[  699.582445]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  699.587995]  ? alloc_pages_current+0x17b/0x350
[  699.592579]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  699.598114]  ? __tlb_remove_page_size+0x187/0x500
[  699.602955]  unmap_page_range+0x1eef/0x2930
[  699.607295]  ? vm_normal_page_pmd+0x510/0x510
[  699.611799]  ? mark_held_locks+0x130/0x130
[  699.616031]  ? finish_task_switch+0x1f4/0x910
[  699.620526]  ? finish_task_switch+0x1b4/0x910
[  699.625024]  ? __switch_to_asm+0x34/0x70
[  699.629092]  ? zap_class+0x640/0x640
[  699.632805]  ? prepare_to_wait_event+0x39f/0xa10
[  699.637554]  ? tlb_table_flush+0xb4/0x5c0
[  699.641698]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  699.646806]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  699.651905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.657435]  ? tlb_flush_mmu_free+0x105/0x170
[  699.661930]  ? tlb_flush_mmu+0x58/0x520
[  699.665910]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  699.670407]  ? kasan_check_write+0x14/0x20
[  699.674634]  ? tlb_finish_mmu+0x166/0x1f0
[  699.678779]  ? tlb_gather_mmu+0x440/0x440
[  699.682925]  ? kasan_check_write+0x14/0x20
[  699.687160]  __oom_reap_task_mm+0xf7/0x410
[  699.691392]  ? process_shares_mm+0x460/0x460
[  699.695817]  oom_reaper+0x2b7/0x11e0
[  699.699547]  ? __oom_reap_task_mm+0x410/0x410
[  699.704038]  ? lock_pin_lock+0x350/0x350
[  699.708095]  ? finish_wait+0x430/0x430
[  699.711989]  ? __schedule+0x168a/0x21d0
[  699.715964]  ? __switch_to_asm+0x40/0x70
[  699.720026]  ? __switch_to_asm+0x40/0x70
[  699.724085]  ? zap_class+0x640/0x640
[  699.727807]  ? __sched_text_start+0x8/0x8
[  699.731990]  ? find_held_lock+0x36/0x1c0
[  699.736058]  ? __kthread_parkme+0xce/0x1a0
[  699.740293]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  699.745394]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  699.750509]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  699.755089]  ? trace_hardirqs_on+0xbd/0x310
[  699.759407]  ? kasan_check_read+0x11/0x20
[  699.763551]  ? __kthread_parkme+0xce/0x1a0
[  699.767785]  ? trace_hardirqs_off_caller+0x310/0x310
[  699.772896]  ? preempt_schedule+0x4d/0x60
[  699.777042]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  699.782144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  699.787675]  ? __kthread_parkme+0xfb/0x1a0
[  699.791910]  ? __oom_reap_task_mm+0x410/0x410
[  699.796412]  kthread+0x35a/0x440
[  699.799776]  ? kthread_stop+0x900/0x900
[  699.803748]  ret_from_fork+0x3a/0x50
[  699.807475] warn_alloc_show_mem: 1 callbacks suppressed
[  699.807484] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  699.807486] Mem-Info:
[  699.807516] active_anon:44214 inactive_anon:199 isolated_anon:0
[  699.807516]  active_file:6 inactive_file:21 isolated_file:0
[  699.807516]  unevictable:0 dirty:0 writeback:0 unstable:0
[  699.807516]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  699.807516]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  699.807516]  free:13686 free_pcp:384 free_cma:0
[  699.812846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  699.812853] Call Trace:
[  699.820215] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  699.822602]  <IRQ>
[  699.855372] 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
[  699.864724]  dump_stack+0x244/0x39d
[  699.867273] lowmem_reserve[]: 0 2818 6321 6321
[  699.894593]  ? dump_stack_print_info.cold.1+0x20/0x20
[  699.896722] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  699.922822]  ? __wake_up+0xe/0x10
[  699.926416] lowmem_reserve[]: 0 0 3503 3503
[  699.930997]  warn_alloc.cold.116+0xb7/0x1bd
[  699.936153] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  699.963468]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  699.966888] lowmem_reserve[]: 0 0 0 0
[  699.971207]  ? lock_downgrade+0x900/0x900
[  699.975501] 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
[  700.004471]  ? trace_hardirqs_off+0xb8/0x310
[  700.009285] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  700.013082]  ? trace_hardirqs_off+0xb8/0x310
[  700.017200] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  700.030720]  __alloc_pages_slowpath+0x2651/0x2de0
[  700.035105] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  700.050281]  ? warn_alloc+0x120/0x120
[  700.055147] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  700.055156] 271 total pagecache pages
[  700.068941]  ? warn_alloc+0x120/0x120
[  700.073760] 0 pages in swap cache
[  700.082577]  ? warn_alloc+0x120/0x120
[  700.086371] Swap cache stats: add 0, delete 0, find 0/0
[  700.086379] Free swap  = 0kB
[  700.094945]  ? print_usage_bug+0xc0/0xc0
[  700.098722] Total swap = 0kB
[  700.102510]  ? __lock_acquire+0x62f/0x4c20
[  700.105941] 1965979 pages RAM
[  700.109725]  ? print_usage_bug+0xc0/0xc0
[  700.115056] 0 pages HighMem/MovableOnly
[  700.115064] 342854 pages reserved
[  700.118068]  ? __lock_acquire+0x62f/0x4c20
[  700.123139] 0 pages cma reserved
[  700.123198] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  700.126159]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.130497] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  700.133487]  ? should_fail+0x22d/0xd01
[  700.137522] oom_reaper cpuset=/ mems_allowed=0
[  700.141485]  ? __lock_acquire+0x62f/0x4c20
[  700.187361]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  700.192474]  ? __lock_acquire+0x62f/0x4c20
[  700.196722]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  700.201824]  ? __lock_acquire+0x62f/0x4c20
[  700.206050]  ? should_fail+0x22d/0xd01
[  700.209943]  ? mark_held_locks+0x130/0x130
[  700.214182]  ? mark_held_locks+0x130/0x130
[  700.218416]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  700.224002]  ? zap_class+0x640/0x640
[  700.227722]  ? print_usage_bug+0xc0/0xc0
[  700.231784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.237323]  ? check_preemption_disabled+0x48/0x280
[  700.242347]  ? __lock_is_held+0xb5/0x140
[  700.246408]  __alloc_pages_nodemask+0xad8/0xea0
[  700.251077]  ? zap_class+0x640/0x640
[  700.254789]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  700.259808]  ? find_held_lock+0x36/0x1c0
[  700.263874]  ? ____cache_alloc_node+0x1c7/0x1e0
[  700.268539]  ? lock_downgrade+0x900/0x900
[  700.272695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.278232]  cache_grow_begin+0xa5/0x8c0
[  700.282288]  ? do_raw_spin_unlock+0xa7/0x330
[  700.286702]  fallback_alloc+0x204/0x2e0
[  700.290684]  ____cache_alloc_node+0x1c7/0x1e0
[  700.295179]  kmem_cache_alloc_node+0xe3/0x730
[  700.299677]  ? ipv6_get_ifaddr+0x42e/0x620
[  700.303918]  __alloc_skb+0x119/0x770
[  700.307624]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.312899]  ? netdev_alloc_frag+0x1f0/0x1f0
[  700.317304]  ? lock_downgrade+0x900/0x900
[  700.321454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.326987]  ? refcount_sub_and_test_checked+0x203/0x310
[  700.332440]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  700.337889]  ? addrconf_rs_timer+0x690/0x690
[  700.342533]  ndisc_alloc_skb+0x144/0x340
[  700.346594]  ndisc_send_rs+0x331/0x6e0
[  700.350483]  addrconf_rs_timer+0x314/0x690
[  700.354717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  700.358960]  call_timer_fn+0x272/0x920
[  700.362841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  700.367070]  ? process_timeout+0x40/0x40
[  700.371140]  ? __run_timers+0x7da/0xc70
[  700.375111]  ? _raw_spin_unlock_irq+0x27/0x80
[  700.379599]  ? _raw_spin_unlock_irq+0x27/0x80
[  700.384101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  700.388329]  ? lockdep_hardirqs_on+0x296/0x5b0
[  700.392914]  ? trace_hardirqs_on+0xbd/0x310
[  700.397231]  ? kasan_check_read+0x11/0x20
[  700.401373]  ? __run_timers+0x7da/0xc70
[  700.405344]  ? trace_hardirqs_off_caller+0x310/0x310
[  700.410447]  ? prandom_seed_full_state+0x3b0/0x3b0
[  700.415377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  700.419622]  __run_timers+0x7e5/0xc70
[  700.423533]  ? timer_fixup_init+0x70/0x70
[  700.427686]  ? lock_acquire+0x1ed/0x520
[  700.431665]  ? zap_class+0x640/0x640
[  700.435376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.440932]  ? kasan_check_read+0x11/0x20
[  700.445078]  ? do_raw_spin_lock+0x14f/0x350
[  700.449401]  ? find_held_lock+0x36/0x1c0
[  700.453468]  ? zap_class+0x640/0x640
[  700.457180]  ? pvclock_read_flags+0x160/0x160
[  700.461679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.467227]  ? check_preemption_disabled+0x48/0x280
[  700.472251]  ? __lock_is_held+0xb5/0x140
[  700.476306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.481840]  ? check_preemption_disabled+0x48/0x280
[  700.486856]  run_timer_softirq+0x52/0xb0
[  700.490927]  ? rcu_read_lock_sched_held+0x14f/0x180
[  700.495942]  __do_softirq+0x308/0xb7e
[  700.499745]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  700.504234]  ? lock_downgrade+0x900/0x900
[  700.508379]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  700.513495]  ? pvclock_read_flags+0x160/0x160
[  700.517986]  ? lapic_next_event+0x5a/0x90
[  700.522144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.527685]  ? kvm_clock_read+0x18/0x30
[  700.531661]  ? kvm_sched_clock_read+0x9/0x20
[  700.536066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.541688]  ? check_preemption_disabled+0x48/0x280
[  700.546714]  irq_exit+0x17f/0x1c0
[  700.550163]  smp_apic_timer_interrupt+0x1cb/0x760
[  700.555090]  ? smp_call_function_single_interrupt+0x159/0x650
[  700.560971]  ? smp_call_function_single_interrupt+0x650/0x650
[  700.566849]  ? interrupt_entry+0xb5/0xc0
[  700.570906]  ? trace_hardirqs_off_caller+0xbb/0x310
[  700.575921]  ? trace_hardirqs_off_caller+0xbb/0x310
[  700.580936]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  700.585774]  ? trace_hardirqs_on_caller+0x310/0x310
[  700.590788]  ? trace_hardirqs_on_caller+0x310/0x310
[  700.595798]  ? task_prio+0x50/0x50
[  700.599429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.604966]  ? check_preemption_disabled+0x48/0x280
[  700.609980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  700.614825]  apic_timer_interrupt+0xf/0x20
[  700.619048]  </IRQ>
[  700.621284] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  700.626224] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  700.645118] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  700.652821] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  700.660083] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  700.667347] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  700.674711] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  700.681979] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  700.689275]  skb_clone+0x1bb/0x500
[  700.692812]  ? finish_task_switch+0x1b4/0x910
[  700.697302]  ? skb_split+0x11e0/0x11e0
[  700.701188]  ? preempt_notifier_register+0x200/0x200
[  700.706283]  ? __switch_to_asm+0x34/0x70
[  700.710336]  ? __switch_to_asm+0x34/0x70
[  700.714394]  ? __switch_to_asm+0x40/0x70
[  700.718449]  ? __switch_to_asm+0x34/0x70
[  700.722503]  ? __switch_to_asm+0x40/0x70
[  700.726560]  ? __switch_to_asm+0x34/0x70
[  700.730612]  ? __switch_to_asm+0x40/0x70
[  700.734675]  ? __switch_to_asm+0x34/0x70
[  700.738733]  ? __switch_to_asm+0x34/0x70
[  700.742786]  ? __switch_to_asm+0x40/0x70
[  700.746839]  ? __switch_to_asm+0x34/0x70
[  700.750901]  bpf_clone_redirect+0xb9/0x490
[  700.755135]  ? __schedule+0x8d7/0x21d0
[  700.759023]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  700.764035]  ? __sched_text_start+0x8/0x8
[  700.768179]  ? retint_kernel+0x2d/0x2d
[  700.772073]  ? find_held_lock+0x36/0x1c0
[  700.776136]  ? lock_acquire+0x1ed/0x520
[  700.780106]  ? bpf_test_run+0x3ee/0x7a0
[  700.784077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.789619]  ? check_preemption_disabled+0x48/0x280
[  700.794647]  ? kasan_check_read+0x11/0x20
[  700.798789]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.804061]  ? rcu_softirq_qs+0x20/0x20
[  700.808032]  ? preempt_schedule+0x4d/0x60
[  700.812180]  ? ___preempt_schedule+0x16/0x18
[  700.816592]  ? bpf_test_run+0x271/0x7a0
[  700.820576]  ? netlink_diag_dump+0x2a0/0x2a0
[  700.824980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.830510]  ? bpf_test_init.isra.10+0x70/0x100
[  700.835179]  ? bpf_prog_test_run_skb+0x762/0xd60
[  700.839941]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  700.844781]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  700.850315]  ? fput+0x130/0x1a0
[  700.853592]  ? __bpf_prog_get+0x9b/0x290
[  700.857660]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  700.862497]  ? bpf_prog_test_run+0x130/0x1a0
[  700.866906]  ? __x64_sys_bpf+0x3d8/0x520
[  700.870975]  ? bpf_prog_get+0x20/0x20
[  700.874788]  ? do_syscall_64+0x1b9/0x820
[  700.878843]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  700.884201]  ? syscall_return_slowpath+0x5e0/0x5e0
[  700.889126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  700.893965]  ? trace_hardirqs_on_caller+0x310/0x310
[  700.898977]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  700.903991]  ? prepare_exit_to_usermode+0x291/0x3b0
[  700.909009]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  700.913854]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  700.919229] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  700.919285] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  700.926327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  700.926332] Call Trace:
[  700.926337]  <IRQ>
[  700.926353]  dump_stack+0x244/0x39d
[  700.926374]  ? dump_stack_print_info.cold.1+0x20/0x20
[  700.932920] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  700.942189]  ? __wake_up+0xe/0x10
[  700.944748] syz-executor0 cpuset=syz0 mems_allowed=0
[  700.946893]  warn_alloc.cold.116+0xb7/0x1bd
[  700.979044]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  700.983921]  ? lock_downgrade+0x900/0x900
[  700.988071]  ? trace_hardirqs_off+0xb8/0x310
[  700.992480]  ? trace_hardirqs_off+0xb8/0x310
[  700.996890]  __alloc_pages_slowpath+0x2651/0x2de0
[  701.001752]  ? warn_alloc+0x120/0x120
[  701.005552]  ? print_usage_bug+0xc0/0xc0
[  701.009615]  ? warn_alloc+0x120/0x120
[  701.013415]  ? warn_alloc+0x120/0x120
[  701.017215]  ? print_usage_bug+0xc0/0xc0
[  701.021365]  ? print_usage_bug+0xc0/0xc0
[  701.025425]  ? __lock_acquire+0x62f/0x4c20
[  701.029678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.035211]  ? should_fail+0x22d/0xd01
[  701.039096]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  701.044195]  ? __lock_acquire+0x62f/0x4c20
[  701.048430]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  701.053529]  ? __lock_acquire+0x62f/0x4c20
[  701.057933]  ? should_fail+0x22d/0xd01
[  701.061828]  ? mark_held_locks+0x130/0x130
[  701.066066]  ? mark_held_locks+0x130/0x130
[  701.070293]  ? zap_class+0x640/0x640
[  701.074010]  ? zap_class+0x640/0x640
[  701.077721]  ? print_usage_bug+0xc0/0xc0
[  701.081777]  ? wq_watchdog_touch+0x9c/0xfe
[  701.086012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.091548]  ? check_preemption_disabled+0x48/0x280
[  701.096576]  ? __lock_is_held+0xb5/0x140
[  701.100645]  __alloc_pages_nodemask+0xad8/0xea0
[  701.105310]  ? zap_class+0x640/0x640
[  701.109026]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  701.114049]  ? find_held_lock+0x36/0x1c0
[  701.118112]  ? ____cache_alloc_node+0x1c7/0x1e0
[  701.122778]  ? lock_downgrade+0x900/0x900
[  701.126927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.132478]  cache_grow_begin+0xa5/0x8c0
[  701.136536]  ? do_raw_spin_unlock+0xa7/0x330
[  701.140952]  fallback_alloc+0x204/0x2e0
[  701.144929]  ____cache_alloc_node+0x1c7/0x1e0
[  701.149424]  kmem_cache_alloc_node+0xe3/0x730
[  701.153916]  ? ipv6_get_ifaddr+0x42e/0x620
[  701.158156]  __alloc_skb+0x119/0x770
[  701.161870]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  701.167169]  ? netdev_alloc_frag+0x1f0/0x1f0
[  701.171573]  ? lock_downgrade+0x900/0x900
[  701.175735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.181286]  ? refcount_sub_and_test_checked+0x203/0x310
[  701.186736]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  701.192181]  ? addrconf_rs_timer+0x690/0x690
[  701.196603]  ndisc_alloc_skb+0x144/0x340
[  701.200664]  ndisc_send_rs+0x331/0x6e0
[  701.204551]  addrconf_rs_timer+0x314/0x690
[  701.208801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  701.213044]  call_timer_fn+0x272/0x920
[  701.216925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  701.221440]  ? process_timeout+0x40/0x40
[  701.225508]  ? mark_held_locks+0xc7/0x130
[  701.229654]  ? _raw_spin_unlock_irq+0x27/0x80
[  701.234142]  ? _raw_spin_unlock_irq+0x27/0x80
[  701.238632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  701.242862]  ? lockdep_hardirqs_on+0x296/0x5b0
[  701.247444]  ? trace_hardirqs_on+0xbd/0x310
[  701.251760]  ? kasan_check_read+0x11/0x20
[  701.255904]  ? __run_timers+0x7da/0xc70
[  701.259875]  ? trace_hardirqs_off_caller+0x310/0x310
[  701.264983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  701.269211]  __run_timers+0x7e5/0xc70
[  701.273020]  ? timer_fixup_init+0x70/0x70
[  701.277168]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  701.282183]  ? zap_class+0x640/0x640
[  701.285897]  ? print_usage_bug+0xc0/0xc0
[  701.289956]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  701.295149]  ? find_held_lock+0x36/0x1c0
[  701.299209]  ? zap_class+0x640/0x640
[  701.302928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.308476]  ? check_preemption_disabled+0x48/0x280
[  701.313497]  ? __lock_is_held+0xb5/0x140
[  701.317579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.323126]  ? check_preemption_disabled+0x48/0x280
[  701.328144]  run_timer_softirq+0x52/0xb0
[  701.332203]  ? rcu_read_lock_sched_held+0x14f/0x180
[  701.337214]  __do_softirq+0x308/0xb7e
[  701.341016]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  701.345520]  ? lock_downgrade+0x900/0x900
[  701.349669]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  701.354772]  ? pvclock_read_flags+0x160/0x160
[  701.359264]  ? lapic_next_event+0x5a/0x90
[  701.363410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.368948]  ? kvm_clock_read+0x18/0x30
[  701.372915]  ? kvm_sched_clock_read+0x9/0x20
[  701.377321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.382855]  ? check_preemption_disabled+0x48/0x280
[  701.387975]  irq_exit+0x17f/0x1c0
[  701.391424]  smp_apic_timer_interrupt+0x1cb/0x760
[  701.396261]  ? smp_call_function_single_interrupt+0x159/0x650
[  701.402144]  ? smp_call_function_single_interrupt+0x650/0x650
[  701.408023]  ? interrupt_entry+0xb5/0xc0
[  701.412079]  ? trace_hardirqs_off_caller+0xbb/0x310
[  701.417090]  ? trace_hardirqs_off_caller+0xbb/0x310
[  701.422213]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  701.427053]  ? trace_hardirqs_on_caller+0x310/0x310
[  701.432065]  ? trace_hardirqs_on_caller+0x310/0x310
[  701.437073]  ? task_prio+0x50/0x50
[  701.440616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.446248]  ? check_preemption_disabled+0x48/0x280
[  701.451263]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  701.456106]  apic_timer_interrupt+0xf/0x20
[  701.460332]  </IRQ>
[  701.462570] RIP: 0010:smp_call_function_single+0x30a/0x660
[  701.468193] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  701.487085] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  701.494788] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  701.502055] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  701.509318] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  701.516581] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  701.523844] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  701.531123]  ? smp_call_function_single+0x351/0x660
[  701.536131]  ? smp_call_function_single+0x300/0x660
[  701.541149]  ? rcu_note_context_switch+0x12ad/0x2150
[  701.546246]  ? retint_kernel+0x2d/0x2d
[  701.550128]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  701.556010]  ? generic_exec_single+0x5f0/0x5f0
[  701.560589]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  701.566467]  ? zap_class+0x640/0x640
[  701.570180]  ? smp_call_function_single+0x302/0x660
[  701.575202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.580736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.586281]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  701.591294]  ? find_next_and_bit+0x183/0x1e0
[  701.595707]  smp_call_function_many+0x911/0xae0
[  701.600379]  ? __lock_acquire+0x62f/0x4c20
[  701.604614]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  701.610491]  ? _raw_spin_unlock_irq+0x27/0x80
[  701.614979]  ? _raw_spin_unlock_irq+0x27/0x80
[  701.619471]  ? smp_call_function_single_async+0x370/0x370
[  701.625005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.630542]  ? check_preemption_disabled+0x48/0x280
[  701.635565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.641096]  ? check_preemption_disabled+0x48/0x280
[  701.646109]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  701.651989]  on_each_cpu_mask+0x41/0x240
[  701.656045]  ? x86_configure_nx+0x110/0x110
[  701.660362]  on_each_cpu_cond_mask+0x171/0x210
[  701.664938]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  701.670822]  ? on_each_cpu_mask+0x240/0x240
[  701.675148]  native_flush_tlb_others+0x2ea/0x690
[  701.679906]  ? initialize_tlbstate_and_flush+0x380/0x380
[  701.685450]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  701.690458]  ? find_next_bit+0x104/0x130
[  701.694610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.700141]  ? find_next_bit+0x104/0x130
[  701.704204]  ? cpumask_next+0x41/0x50
[  701.708017]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  701.713028]  ? cpumask_any_but+0xb1/0xe0
[  701.717090]  flush_tlb_mm_range+0x2fe/0x5d0
[  701.721404]  ? fault_around_bytes_set+0x90/0x90
[  701.726074]  ? native_flush_tlb_others+0x690/0x690
[  701.731000]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  701.736544]  ? alloc_pages_current+0x17b/0x350
[  701.741128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.746659]  ? __tlb_remove_page_size+0x187/0x500
[  701.751500]  unmap_page_range+0x1eef/0x2930
[  701.755841]  ? vm_normal_page_pmd+0x510/0x510
[  701.760338]  ? mark_held_locks+0x130/0x130
[  701.764572]  ? finish_task_switch+0x1f4/0x910
[  701.769069]  ? finish_task_switch+0x1b4/0x910
[  701.773557]  ? __switch_to_asm+0x34/0x70
[  701.777624]  ? zap_class+0x640/0x640
[  701.781335]  ? prepare_to_wait_event+0x39f/0xa10
[  701.786085]  ? tlb_table_flush+0xb4/0x5c0
[  701.790235]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  701.795432]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  701.800554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.806086]  ? tlb_flush_mmu_free+0x105/0x170
[  701.810578]  ? tlb_flush_mmu+0x58/0x520
[  701.814557]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  701.819051]  ? kasan_check_write+0x14/0x20
[  701.823368]  ? tlb_finish_mmu+0x166/0x1f0
[  701.827514]  ? tlb_gather_mmu+0x440/0x440
[  701.831671]  ? kasan_check_write+0x14/0x20
[  701.835907]  __oom_reap_task_mm+0xf7/0x410
[  701.840141]  ? process_shares_mm+0x460/0x460
[  701.844567]  oom_reaper+0x2b7/0x11e0
[  701.848286]  ? __oom_reap_task_mm+0x410/0x410
[  701.852801]  ? lock_pin_lock+0x350/0x350
[  701.856870]  ? finish_wait+0x430/0x430
[  701.860762]  ? __schedule+0x168a/0x21d0
[  701.864731]  ? __switch_to_asm+0x40/0x70
[  701.868789]  ? __switch_to_asm+0x40/0x70
[  701.872852]  ? zap_class+0x640/0x640
[  701.876567]  ? __sched_text_start+0x8/0x8
[  701.880717]  ? find_held_lock+0x36/0x1c0
[  701.884784]  ? __kthread_parkme+0xce/0x1a0
[  701.889018]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  701.894128]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  701.899229]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  701.903808]  ? trace_hardirqs_on+0xbd/0x310
[  701.908127]  ? kasan_check_read+0x11/0x20
[  701.912286]  ? __kthread_parkme+0xce/0x1a0
[  701.916532]  ? trace_hardirqs_off_caller+0x310/0x310
[  701.921633]  ? preempt_schedule+0x4d/0x60
[  701.925783]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  701.930985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.936526]  ? __kthread_parkme+0xfb/0x1a0
[  701.940758]  ? __oom_reap_task_mm+0x410/0x410
[  701.945248]  kthread+0x35a/0x440
[  701.948613]  ? kthread_stop+0x900/0x900
[  701.952582]  ret_from_fork+0x3a/0x50
[  701.956299] warn_alloc_show_mem: 1 callbacks suppressed
[  701.956309] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  701.956310] Mem-Info:
[  701.956340] active_anon:44214 inactive_anon:199 isolated_anon:0
[  701.956340]  active_file:6 inactive_file:21 isolated_file:0
[  701.956340]  unevictable:0 dirty:0 writeback:0 unstable:0
[  701.956340]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  701.956340]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  701.956340]  free:13686 free_pcp:384 free_cma:0
[  701.961667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  701.961674] Call Trace:
[  701.969032] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  701.971420]  <IRQ>
[  702.004193] 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
[  702.013702]  dump_stack+0x244/0x39d
[  702.016265] lowmem_reserve[]: 0 2818 6321 6321
[  702.044023]  ? dump_stack_print_info.cold.1+0x20/0x20
[  702.046145] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  702.072503]  ? __wake_up+0xe/0x10
[  702.076097] lowmem_reserve[]: 0 0 3503 3503
[  702.080673]  warn_alloc.cold.116+0xb7/0x1bd
[  702.085828] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  702.113238]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  702.116655] lowmem_reserve[]: 0 0 0 0
[  702.120995]  ? lock_downgrade+0x900/0x900
[  702.125290] 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
[  702.154261]  ? trace_hardirqs_off+0xb8/0x310
[  702.159077] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  702.162874]  ? trace_hardirqs_off+0xb8/0x310
[  702.166996] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  702.180530]  __alloc_pages_slowpath+0x2651/0x2de0
[  702.184919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  702.200180]  ? warn_alloc+0x120/0x120
[  702.204548] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  702.218264]  ? warn_alloc+0x120/0x120
[  702.223080] 271 total pagecache pages
[  702.231903]  ? warn_alloc+0x120/0x120
[  702.235683] 0 pages in swap cache
[  702.244245]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  702.248014] Swap cache stats: add 0, delete 0, find 0/0
[  702.251801]  ? print_usage_bug+0xc0/0xc0
[  702.255572] Free swap  = 0kB
[  702.259014]  ? print_usage_bug+0xc0/0xc0
[  702.264170] Total swap = 0kB
[  702.264177] 1965979 pages RAM
[  702.269537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  702.273564] 0 pages HighMem/MovableOnly
[  702.276585]  ? should_fail+0x22d/0xd01
[  702.280614] 342854 pages reserved
[  702.283621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  702.286697] 0 pages cma reserved
[  702.292222]  ? __lock_acquire+0x62f/0x4c20
[  702.296217] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  702.300044]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  702.303550] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  702.308581]  ? __lock_acquire+0x62f/0x4c20
[  702.311921] oom_reaper cpuset=/ mems_allowed=0
[  702.316138]  ? should_fail+0x22d/0xd01
[  702.316153]  ? trace_hardirqs_on+0x310/0x310
[  702.355037]  ? mark_held_locks+0x130/0x130
[  702.359271]  ? mark_held_locks+0x130/0x130
[  702.363508]  ? check_preemption_disabled+0x48/0x280
[  702.368627]  ? kasan_check_read+0x11/0x20
[  702.372769]  ? zap_class+0x640/0x640
[  702.376489]  ? print_usage_bug+0xc0/0xc0
[  702.380546]  ? rcu_softirq_qs+0x20/0x20
[  702.384517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.390050]  ? check_preemption_disabled+0x48/0x280
[  702.395068]  ? __lock_is_held+0xb5/0x140
[  702.399130]  __alloc_pages_nodemask+0xad8/0xea0
[  702.403797]  ? zap_class+0x640/0x640
[  702.407510]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  702.412537]  ? find_held_lock+0x36/0x1c0
[  702.416600]  ? ____cache_alloc_node+0x1c7/0x1e0
[  702.421265]  ? lock_downgrade+0x900/0x900
[  702.425413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.430949]  cache_grow_begin+0xa5/0x8c0
[  702.435013]  ? do_raw_spin_unlock+0xa7/0x330
[  702.439510]  fallback_alloc+0x204/0x2e0
[  702.443493]  ____cache_alloc_node+0x1c7/0x1e0
[  702.447989]  kmem_cache_alloc_node+0xe3/0x730
[  702.452488]  ? ipv6_get_ifaddr+0x42e/0x620
[  702.456724]  __alloc_skb+0x119/0x770
[  702.460444]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  702.465727]  ? netdev_alloc_frag+0x1f0/0x1f0
[  702.470130]  ? lock_downgrade+0x900/0x900
[  702.474281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.479817]  ? refcount_sub_and_test_checked+0x203/0x310
[  702.485271]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  702.490716]  ? addrconf_rs_timer+0x690/0x690
[  702.495155]  ndisc_alloc_skb+0x144/0x340
[  702.499214]  ndisc_send_rs+0x331/0x6e0
[  702.503104]  addrconf_rs_timer+0x314/0x690
[  702.507341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.511579]  call_timer_fn+0x272/0x920
[  702.515470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.519714]  ? process_timeout+0x40/0x40
[  702.523775]  ? __run_timers+0x7da/0xc70
[  702.527759]  ? _raw_spin_unlock_irq+0x27/0x80
[  702.532253]  ? _raw_spin_unlock_irq+0x27/0x80
[  702.536753]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.540986]  ? lockdep_hardirqs_on+0x296/0x5b0
[  702.545566]  ? trace_hardirqs_on+0xbd/0x310
[  702.549895]  ? kasan_check_read+0x11/0x20
[  702.554038]  ? __run_timers+0x7da/0xc70
[  702.558010]  ? trace_hardirqs_off_caller+0x310/0x310
[  702.563115]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.567352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.571578]  __run_timers+0x7e5/0xc70
[  702.575381]  ? timer_fixup_init+0x70/0x70
[  702.579528]  ? lock_acquire+0x1ed/0x520
[  702.583501]  ? zap_class+0x640/0x640
[  702.587214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.592752]  ? kasan_check_read+0x11/0x20
[  702.596895]  ? do_raw_spin_lock+0x14f/0x350
[  702.601222]  ? find_held_lock+0x36/0x1c0
[  702.605285]  ? zap_class+0x640/0x640
[  702.608998]  ? pvclock_read_flags+0x160/0x160
[  702.613578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.619111]  ? check_preemption_disabled+0x48/0x280
[  702.624128]  ? __lock_is_held+0xb5/0x140
[  702.628186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.633724]  ? check_preemption_disabled+0x48/0x280
[  702.638740]  run_timer_softirq+0x52/0xb0
[  702.642884]  ? rcu_read_lock_sched_held+0x14f/0x180
[  702.647899]  __do_softirq+0x308/0xb7e
[  702.651698]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  702.656188]  ? lock_downgrade+0x900/0x900
[  702.660339]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  702.665450]  ? pvclock_read_flags+0x160/0x160
[  702.669944]  ? lapic_next_event+0x5a/0x90
[  702.674089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.679627]  ? kvm_clock_read+0x18/0x30
[  702.683596]  ? kvm_sched_clock_read+0x9/0x20
[  702.688088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.693622]  ? check_preemption_disabled+0x48/0x280
[  702.698662]  irq_exit+0x17f/0x1c0
[  702.702113]  smp_apic_timer_interrupt+0x1cb/0x760
[  702.706951]  ? smp_call_function_single_interrupt+0x159/0x650
[  702.712831]  ? smp_call_function_single_interrupt+0x650/0x650
[  702.718713]  ? interrupt_entry+0xb5/0xc0
[  702.722771]  ? trace_hardirqs_off_caller+0xbb/0x310
[  702.727782]  ? trace_hardirqs_off_caller+0xbb/0x310
[  702.732810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  702.737650]  ? trace_hardirqs_on_caller+0x310/0x310
[  702.742663]  ? trace_hardirqs_on_caller+0x310/0x310
[  702.747677]  ? task_prio+0x50/0x50
[  702.751223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.756755]  ? check_preemption_disabled+0x48/0x280
[  702.761780]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  702.766623]  apic_timer_interrupt+0xf/0x20
[  702.770850]  </IRQ>
[  702.773082] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  702.778098] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  702.796992] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  702.804693] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  702.811955] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  702.819217] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  702.826482] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  702.833747] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  702.841046]  skb_clone+0x1bb/0x500
[  702.844584]  ? finish_task_switch+0x1b4/0x910
[  702.849076]  ? skb_split+0x11e0/0x11e0
[  702.852961]  ? preempt_notifier_register+0x200/0x200
[  702.858060]  ? __switch_to_asm+0x34/0x70
[  702.862115]  ? __switch_to_asm+0x34/0x70
[  702.866167]  ? __switch_to_asm+0x40/0x70
[  702.870227]  ? __switch_to_asm+0x34/0x70
[  702.874282]  ? __switch_to_asm+0x40/0x70
[  702.878339]  ? __switch_to_asm+0x34/0x70
[  702.882390]  ? __switch_to_asm+0x40/0x70
[  702.886450]  ? __switch_to_asm+0x34/0x70
[  702.890504]  ? __switch_to_asm+0x34/0x70
[  702.894557]  ? __switch_to_asm+0x40/0x70
[  702.898712]  ? __switch_to_asm+0x34/0x70
[  702.902773]  bpf_clone_redirect+0xb9/0x490
[  702.907002]  ? __schedule+0x8d7/0x21d0
[  702.910890]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  702.915901]  ? __sched_text_start+0x8/0x8
[  702.920044]  ? retint_kernel+0x2d/0x2d
[  702.923933]  ? find_held_lock+0x36/0x1c0
[  702.928010]  ? lock_acquire+0x1ed/0x520
[  702.931982]  ? bpf_test_run+0x3ee/0x7a0
[  702.935953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.941487]  ? check_preemption_disabled+0x48/0x280
[  702.946503]  ? kasan_check_read+0x11/0x20
[  702.950645]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  702.955914]  ? rcu_softirq_qs+0x20/0x20
[  702.959888]  ? preempt_schedule+0x4d/0x60
[  702.964034]  ? ___preempt_schedule+0x16/0x18
[  702.968453]  ? bpf_test_run+0x271/0x7a0
[  702.972442]  ? netlink_diag_dump+0x2a0/0x2a0
[  702.976852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  702.982384]  ? bpf_test_init.isra.10+0x70/0x100
[  702.987060]  ? bpf_prog_test_run_skb+0x762/0xd60
[  702.991820]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  702.996663]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  703.002201]  ? fput+0x130/0x1a0
[  703.005482]  ? __bpf_prog_get+0x9b/0x290
[  703.009543]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  703.014383]  ? bpf_prog_test_run+0x130/0x1a0
[  703.018795]  ? __x64_sys_bpf+0x3d8/0x520
[  703.022857]  ? bpf_prog_get+0x20/0x20
[  703.026668]  ? do_syscall_64+0x1b9/0x820
[  703.030726]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  703.036085]  ? syscall_return_slowpath+0x5e0/0x5e0
[  703.041008]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.045846]  ? trace_hardirqs_on_caller+0x310/0x310
[  703.050857]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  703.055872]  ? prepare_exit_to_usermode+0x291/0x3b0
[  703.060890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.065733]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  703.071109] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  703.071169] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  703.078121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  703.078126] Call Trace:
[  703.078132]  <IRQ>
[  703.078147]  dump_stack+0x244/0x39d
[  703.078165]  ? dump_stack_print_info.cold.1+0x20/0x20
[  703.084724] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  703.093981]  ? __wake_up+0xe/0x10
[  703.096539] syz-executor0 cpuset=syz0 mems_allowed=0
[  703.098690]  warn_alloc.cold.116+0xb7/0x1bd
[  703.130755]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  703.135597]  ? lock_downgrade+0x900/0x900
[  703.139746]  ? trace_hardirqs_off+0xb8/0x310
[  703.144154]  ? trace_hardirqs_off+0xb8/0x310
[  703.148567]  __alloc_pages_slowpath+0x2651/0x2de0
[  703.153457]  ? warn_alloc+0x120/0x120
[  703.157255]  ? print_usage_bug+0xc0/0xc0
[  703.161313]  ? warn_alloc+0x120/0x120
[  703.165120]  ? warn_alloc+0x120/0x120
[  703.168917]  ? print_usage_bug+0xc0/0xc0
[  703.172973]  ? kvm_clock_read+0x18/0x30
[  703.176941]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  703.181951]  ? print_usage_bug+0xc0/0xc0
[  703.186032]  ? __lock_acquire+0x62f/0x4c20
[  703.190270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.195803]  ? should_fail+0x22d/0xd01
[  703.199693]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.205003]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  703.210143]  ? __lock_acquire+0x62f/0x4c20
[  703.214388]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  703.219800]  ? __lock_acquire+0x62f/0x4c20
[  703.224035]  ? should_fail+0x22d/0xd01
[  703.227924]  ? rcu_irq_exit+0x1a2/0x390
[  703.231907]  ? mark_held_locks+0x130/0x130
[  703.236145]  ? mark_held_locks+0x130/0x130
[  703.240379]  ? mark_held_locks+0xc7/0x130
[  703.244532]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  703.249543]  ? zap_class+0x640/0x640
[  703.253252]  ? print_usage_bug+0xc0/0xc0
[  703.257330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.262875]  ? check_preemption_disabled+0x48/0x280
[  703.267888]  ? __lock_is_held+0xb5/0x140
[  703.271943]  __alloc_pages_nodemask+0xad8/0xea0
[  703.276623]  ? zap_class+0x640/0x640
[  703.280341]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  703.285375]  ? find_held_lock+0x36/0x1c0
[  703.289463]  ? ____cache_alloc_node+0x1c7/0x1e0
[  703.294133]  ? lock_downgrade+0x900/0x900
[  703.298283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.303818]  cache_grow_begin+0xa5/0x8c0
[  703.307873]  ? do_raw_spin_unlock+0xa7/0x330
[  703.312280]  fallback_alloc+0x204/0x2e0
[  703.316255]  ____cache_alloc_node+0x1c7/0x1e0
[  703.320750]  kmem_cache_alloc_node+0xe3/0x730
[  703.325242]  ? ipv6_get_ifaddr+0x42e/0x620
[  703.329497]  __alloc_skb+0x119/0x770
[  703.333209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.338486]  ? netdev_alloc_frag+0x1f0/0x1f0
[  703.342890]  ? lock_downgrade+0x900/0x900
[  703.347039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.352662]  ? refcount_sub_and_test_checked+0x203/0x310
[  703.358109]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  703.363553]  ? addrconf_rs_timer+0x690/0x690
[  703.367966]  ndisc_alloc_skb+0x144/0x340
[  703.372026]  ndisc_send_rs+0x331/0x6e0
[  703.375917]  addrconf_rs_timer+0x314/0x690
[  703.380255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  703.384498]  call_timer_fn+0x272/0x920
[  703.388391]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  703.392623]  ? process_timeout+0x40/0x40
[  703.396690]  ? mark_held_locks+0xc7/0x130
[  703.400841]  ? _raw_spin_unlock_irq+0x27/0x80
[  703.405330]  ? _raw_spin_unlock_irq+0x27/0x80
[  703.409818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  703.414051]  ? lockdep_hardirqs_on+0x296/0x5b0
[  703.418630]  ? trace_hardirqs_on+0xbd/0x310
[  703.422950]  ? kasan_check_read+0x11/0x20
[  703.427091]  ? __run_timers+0x7da/0xc70
[  703.431061]  ? trace_hardirqs_off_caller+0x310/0x310
[  703.436173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  703.440406]  __run_timers+0x7e5/0xc70
[  703.444209]  ? timer_fixup_init+0x70/0x70
[  703.448355]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  703.453378]  ? zap_class+0x640/0x640
[  703.457092]  ? print_usage_bug+0xc0/0xc0
[  703.461151]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  703.466340]  ? find_held_lock+0x36/0x1c0
[  703.470517]  ? zap_class+0x640/0x640
[  703.474232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.479769]  ? check_preemption_disabled+0x48/0x280
[  703.484799]  ? __lock_is_held+0xb5/0x140
[  703.488856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.494398]  ? check_preemption_disabled+0x48/0x280
[  703.499425]  run_timer_softirq+0x52/0xb0
[  703.503482]  ? rcu_read_lock_sched_held+0x14f/0x180
[  703.508497]  __do_softirq+0x308/0xb7e
[  703.512300]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  703.516788]  ? lock_downgrade+0x900/0x900
[  703.520932]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  703.526034]  ? pvclock_read_flags+0x160/0x160
[  703.530524]  ? lapic_next_event+0x5a/0x90
[  703.534668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.540202]  ? kvm_clock_read+0x18/0x30
[  703.544170]  ? kvm_sched_clock_read+0x9/0x20
[  703.548574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.554107]  ? check_preemption_disabled+0x48/0x280
[  703.559128]  irq_exit+0x17f/0x1c0
[  703.562579]  smp_apic_timer_interrupt+0x1cb/0x760
[  703.567419]  ? smp_call_function_single_interrupt+0x159/0x650
[  703.573302]  ? smp_call_function_single_interrupt+0x650/0x650
[  703.579180]  ? interrupt_entry+0xb5/0xc0
[  703.583242]  ? trace_hardirqs_off_caller+0xbb/0x310
[  703.588252]  ? trace_hardirqs_off_caller+0xbb/0x310
[  703.593390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.598229]  ? trace_hardirqs_on_caller+0x310/0x310
[  703.603241]  ? trace_hardirqs_on_caller+0x310/0x310
[  703.608250]  ? task_prio+0x50/0x50
[  703.611790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.617322]  ? check_preemption_disabled+0x48/0x280
[  703.622339]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.627191]  apic_timer_interrupt+0xf/0x20
[  703.631418]  </IRQ>
[  703.633652] RIP: 0010:smp_call_function_single+0x30a/0x660
[  703.639274] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  703.658167] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  703.665872] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  703.673133] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  703.680398] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  703.687672] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  703.694940] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  703.702213]  ? smp_call_function_single+0x351/0x660
[  703.707221]  ? smp_call_function_single+0x300/0x660
[  703.712235]  ? rcu_note_context_switch+0x12ad/0x2150
[  703.717335]  ? retint_kernel+0x2d/0x2d
[  703.721223]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  703.727102]  ? generic_exec_single+0x5f0/0x5f0
[  703.731694]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  703.737572]  ? zap_class+0x640/0x640
[  703.741281]  ? smp_call_function_single+0x302/0x660
[  703.746291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.751827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.757366]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  703.762380]  ? find_next_and_bit+0x183/0x1e0
[  703.766794]  smp_call_function_many+0x911/0xae0
[  703.771457]  ? __lock_acquire+0x62f/0x4c20
[  703.775694]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  703.781572]  ? _raw_spin_unlock_irq+0x27/0x80
[  703.786064]  ? _raw_spin_unlock_irq+0x27/0x80
[  703.790646]  ? smp_call_function_single_async+0x370/0x370
[  703.796195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.801730]  ? check_preemption_disabled+0x48/0x280
[  703.806743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.812277]  ? check_preemption_disabled+0x48/0x280
[  703.817291]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  703.823168]  on_each_cpu_mask+0x41/0x240
[  703.827252]  ? x86_configure_nx+0x110/0x110
[  703.831570]  on_each_cpu_cond_mask+0x171/0x210
[  703.836151]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  703.842033]  ? on_each_cpu_mask+0x240/0x240
[  703.846365]  native_flush_tlb_others+0x2ea/0x690
[  703.851121]  ? initialize_tlbstate_and_flush+0x380/0x380
[  703.856573]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  703.861589]  ? find_next_bit+0x104/0x130
[  703.865655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.871183]  ? find_next_bit+0x104/0x130
[  703.875245]  ? cpumask_next+0x41/0x50
[  703.879044]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  703.884053]  ? cpumask_any_but+0xb1/0xe0
[  703.888110]  flush_tlb_mm_range+0x2fe/0x5d0
[  703.892428]  ? fault_around_bytes_set+0x90/0x90
[  703.897102]  ? native_flush_tlb_others+0x690/0x690
[  703.902028]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  703.907569]  ? alloc_pages_current+0x17b/0x350
[  703.912154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.917683]  ? __tlb_remove_page_size+0x187/0x500
[  703.922545]  unmap_page_range+0x1eef/0x2930
[  703.926884]  ? vm_normal_page_pmd+0x510/0x510
[  703.931381]  ? mark_held_locks+0x130/0x130
[  703.935617]  ? finish_task_switch+0x1f4/0x910
[  703.940106]  ? finish_task_switch+0x1b4/0x910
[  703.944600]  ? __switch_to_asm+0x34/0x70
[  703.948691]  ? zap_class+0x640/0x640
[  703.952411]  ? prepare_to_wait_event+0x39f/0xa10
[  703.957164]  ? tlb_table_flush+0xb4/0x5c0
[  703.961310]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  703.966419]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  703.971522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.977056]  ? tlb_flush_mmu_free+0x105/0x170
[  703.981548]  ? tlb_flush_mmu+0x58/0x520
[  703.985525]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  703.990018]  ? kasan_check_write+0x14/0x20
[  703.994257]  ? tlb_finish_mmu+0x166/0x1f0
[  703.998432]  ? tlb_gather_mmu+0x440/0x440
[  704.002596]  ? kasan_check_write+0x14/0x20
[  704.006829]  __oom_reap_task_mm+0xf7/0x410
[  704.011061]  ? process_shares_mm+0x460/0x460
[  704.015484]  oom_reaper+0x2b7/0x11e0
[  704.019199]  ? __oom_reap_task_mm+0x410/0x410
[  704.023688]  ? lock_pin_lock+0x350/0x350
[  704.027760]  ? finish_wait+0x430/0x430
[  704.031653]  ? __schedule+0x168a/0x21d0
[  704.035618]  ? __switch_to_asm+0x40/0x70
[  704.039674]  ? __switch_to_asm+0x40/0x70
[  704.043755]  ? zap_class+0x640/0x640
[  704.047472]  ? __sched_text_start+0x8/0x8
[  704.051829]  ? find_held_lock+0x36/0x1c0
[  704.055998]  ? __kthread_parkme+0xce/0x1a0
[  704.060229]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  704.065332]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  704.070520]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  704.075102]  ? trace_hardirqs_on+0xbd/0x310
[  704.079421]  ? kasan_check_read+0x11/0x20
[  704.083577]  ? __kthread_parkme+0xce/0x1a0
[  704.087806]  ? trace_hardirqs_off_caller+0x310/0x310
[  704.092906]  ? preempt_schedule+0x4d/0x60
[  704.097053]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  704.102152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  704.107684]  ? __kthread_parkme+0xfb/0x1a0
[  704.111923]  ? __oom_reap_task_mm+0x410/0x410
[  704.116426]  kthread+0x35a/0x440
[  704.119789]  ? kthread_stop+0x900/0x900
[  704.123771]  ret_from_fork+0x3a/0x50
[  704.127511] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  704.127516] warn_alloc_show_mem: 1 callbacks suppressed
[  704.127522] Mem-Info:
[  704.134866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  704.134873] Call Trace:
[  704.140262] active_anon:44214 inactive_anon:199 isolated_anon:0
[  704.140262]  active_file:6 inactive_file:21 isolated_file:0
[  704.140262]  unevictable:0 dirty:0 writeback:0 unstable:0
[  704.140262]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  704.140262]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  704.140262]  free:13686 free_pcp:384 free_cma:0
[  704.142633]  <IRQ>
[  704.142649]  dump_stack+0x244/0x39d
[  704.152002] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  704.154582]  ? dump_stack_print_info.cold.1+0x20/0x20
[  704.187346] 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
[  704.189487]  ? __wake_up+0xe/0x10
[  704.193082] lowmem_reserve[]: 0 2818 6321 6321
[  704.220859]  warn_alloc.cold.116+0xb7/0x1bd
[  704.226022] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  704.252122]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  704.255540] lowmem_reserve[]: 0 0 3503 3503
[  704.260121]  ? lock_downgrade+0x900/0x900
[  704.264411] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  704.291728]  ? trace_hardirqs_off+0xb8/0x310
[  704.296533] lowmem_reserve[]: 0 0 0 0
[  704.300857]  ? trace_hardirqs_off+0xb8/0x310
[  704.304974] 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
[  704.333939]  __alloc_pages_slowpath+0x2651/0x2de0
[  704.338318] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  704.342129]  ? warn_alloc+0x120/0x120
[  704.346490] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  704.360006]  ? print_usage_bug+0xc0/0xc0
[  704.365304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  704.365317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  704.380471]  ? warn_alloc+0x120/0x120
[  704.384245] 271 total pagecache pages
[  704.397931]  ? warn_alloc+0x120/0x120
[  704.401972] 0 pages in swap cache
[  704.410804]  ? print_usage_bug+0xc0/0xc0
[  704.419363] Swap cache stats: add 0, delete 0, find 0/0
[  704.419371] Free swap  = 0kB
[  704.423160]  ? kvm_clock_read+0x18/0x30
[  704.426930] Total swap = 0kB
[  704.430720]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  704.434157] 1965979 pages RAM
[  704.438204]  ? print_usage_bug+0xc0/0xc0
[  704.443533] 0 pages HighMem/MovableOnly
[  704.443546] 342854 pages reserved
[  704.446559]  ? __lock_acquire+0x62f/0x4c20
[  704.450503] 0 pages cma reserved
[  704.450611] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  704.453520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  704.453533]  ? should_fail+0x22d/0xd01
[  704.453555]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  704.458623] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  704.461649]  ? __lock_acquire+0x62f/0x4c20
[  704.465682] oom_reaper cpuset=/ mems_allowed=0
[  704.469647]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  704.525648]  ? __lock_acquire+0x62f/0x4c20
[  704.529878]  ? should_fail+0x22d/0xd01
[  704.533772]  ? mark_held_locks+0x130/0x130
[  704.538006]  ? mark_held_locks+0x130/0x130
[  704.542245]  ? zap_class+0x640/0x640
[  704.545961]  ? print_usage_bug+0xc0/0xc0
[  704.550021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.555564]  ? check_preemption_disabled+0x48/0x280
[  704.560583]  ? __lock_is_held+0xb5/0x140
[  704.564648]  __alloc_pages_nodemask+0xad8/0xea0
[  704.569310]  ? zap_class+0x640/0x640
[  704.573025]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  704.578055]  ? find_held_lock+0x36/0x1c0
[  704.582120]  ? ____cache_alloc_node+0x1c7/0x1e0
[  704.586785]  ? lock_downgrade+0x900/0x900
[  704.590937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.596504]  cache_grow_begin+0xa5/0x8c0
[  704.600560]  ? do_raw_spin_unlock+0xa7/0x330
[  704.604970]  fallback_alloc+0x204/0x2e0
[  704.608946]  ____cache_alloc_node+0x1c7/0x1e0
[  704.613542]  kmem_cache_alloc_node+0xe3/0x730
[  704.618059]  ? ipv6_get_ifaddr+0x42e/0x620
[  704.622302]  __alloc_skb+0x119/0x770
[  704.626014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  704.631299]  ? netdev_alloc_frag+0x1f0/0x1f0
[  704.635706]  ? lock_downgrade+0x900/0x900
[  704.639857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.645388]  ? refcount_sub_and_test_checked+0x203/0x310
[  704.650837]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  704.656288]  ? addrconf_rs_timer+0x690/0x690
[  704.660701]  ndisc_alloc_skb+0x144/0x340
[  704.664763]  ndisc_send_rs+0x331/0x6e0
[  704.668652]  addrconf_rs_timer+0x314/0x690
[  704.672904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.677146]  call_timer_fn+0x272/0x920
[  704.681032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.685269]  ? process_timeout+0x40/0x40
[  704.689339]  ? __run_timers+0x7da/0xc70
[  704.693310]  ? _raw_spin_unlock_irq+0x27/0x80
[  704.697974]  ? _raw_spin_unlock_irq+0x27/0x80
[  704.702465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.706694]  ? lockdep_hardirqs_on+0x296/0x5b0
[  704.711278]  ? trace_hardirqs_on+0xbd/0x310
[  704.715594]  ? kasan_check_read+0x11/0x20
[  704.719734]  ? __run_timers+0x7da/0xc70
[  704.723702]  ? trace_hardirqs_off_caller+0x310/0x310
[  704.728810]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.733038]  __run_timers+0x7e5/0xc70
[  704.736840]  ? timer_fixup_init+0x70/0x70
[  704.740984]  ? lock_acquire+0x1ed/0x520
[  704.744956]  ? zap_class+0x640/0x640
[  704.748669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.754207]  ? kasan_check_read+0x11/0x20
[  704.758389]  ? do_raw_spin_lock+0x14f/0x350
[  704.762713]  ? find_held_lock+0x36/0x1c0
[  704.766773]  ? zap_class+0x640/0x640
[  704.770486]  ? pvclock_read_flags+0x160/0x160
[  704.774979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.780518]  ? check_preemption_disabled+0x48/0x280
[  704.785536]  ? __lock_is_held+0xb5/0x140
[  704.789598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.795129]  ? check_preemption_disabled+0x48/0x280
[  704.800145]  run_timer_softirq+0x52/0xb0
[  704.804200]  ? rcu_read_lock_sched_held+0x14f/0x180
[  704.809211]  __do_softirq+0x308/0xb7e
[  704.813013]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  704.817502]  ? lock_downgrade+0x900/0x900
[  704.821647]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  704.826751]  ? pvclock_read_flags+0x160/0x160
[  704.831266]  ? lapic_next_event+0x5a/0x90
[  704.835413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.840953]  ? kvm_clock_read+0x18/0x30
[  704.844923]  ? kvm_sched_clock_read+0x9/0x20
[  704.849328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.854864]  ? check_preemption_disabled+0x48/0x280
[  704.859879]  irq_exit+0x17f/0x1c0
[  704.863327]  smp_apic_timer_interrupt+0x1cb/0x760
[  704.868162]  ? smp_call_function_single_interrupt+0x159/0x650
[  704.874055]  ? smp_call_function_single_interrupt+0x650/0x650
[  704.879945]  ? interrupt_entry+0xb5/0xc0
[  704.884008]  ? trace_hardirqs_off_caller+0xbb/0x310
[  704.889022]  ? trace_hardirqs_off_caller+0xbb/0x310
[  704.894041]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.898878]  ? trace_hardirqs_on_caller+0x310/0x310
[  704.903889]  ? trace_hardirqs_on_caller+0x310/0x310
[  704.908901]  ? task_prio+0x50/0x50
[  704.912443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.918014]  ? check_preemption_disabled+0x48/0x280
[  704.923034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.927884]  apic_timer_interrupt+0xf/0x20
[  704.932108]  </IRQ>
[  704.934345] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  704.939273] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  704.958166] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  704.965883] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  704.973147] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  704.980408] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  704.987669] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  704.994935] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  705.002241]  skb_clone+0x1bb/0x500
[  705.005781]  ? finish_task_switch+0x1b4/0x910
[  705.010271]  ? skb_split+0x11e0/0x11e0
[  705.014155]  ? preempt_notifier_register+0x200/0x200
[  705.019261]  ? __switch_to_asm+0x34/0x70
[  705.023315]  ? __switch_to_asm+0x34/0x70
[  705.027374]  ? __switch_to_asm+0x40/0x70
[  705.031429]  ? __switch_to_asm+0x34/0x70
[  705.035485]  ? __switch_to_asm+0x40/0x70
[  705.039537]  ? __switch_to_asm+0x34/0x70
[  705.043590]  ? __switch_to_asm+0x40/0x70
[  705.047643]  ? __switch_to_asm+0x34/0x70
[  705.051696]  ? __switch_to_asm+0x34/0x70
[  705.055752]  ? __switch_to_asm+0x40/0x70
[  705.059805]  ? __switch_to_asm+0x34/0x70
[  705.063864]  bpf_clone_redirect+0xb9/0x490
[  705.068094]  ? __schedule+0x8d7/0x21d0
[  705.071987]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  705.077005]  ? __sched_text_start+0x8/0x8
[  705.081147]  ? retint_kernel+0x2d/0x2d
[  705.085147]  ? find_held_lock+0x36/0x1c0
[  705.089214]  ? lock_acquire+0x1ed/0x520
[  705.093191]  ? bpf_test_run+0x3ee/0x7a0
[  705.097168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.102701]  ? check_preemption_disabled+0x48/0x280
[  705.107720]  ? kasan_check_read+0x11/0x20
[  705.111863]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  705.117133]  ? rcu_softirq_qs+0x20/0x20
[  705.121104]  ? preempt_schedule+0x4d/0x60
[  705.125262]  ? ___preempt_schedule+0x16/0x18
[  705.129672]  ? bpf_test_run+0x271/0x7a0
[  705.133652]  ? netlink_diag_dump+0x2a0/0x2a0
[  705.138061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  705.143591]  ? bpf_test_init.isra.10+0x70/0x100
[  705.148258]  ? bpf_prog_test_run_skb+0x762/0xd60
[  705.153019]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  705.157864]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  705.163400]  ? fput+0x130/0x1a0
[  705.166684]  ? __bpf_prog_get+0x9b/0x290
[  705.170743]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  705.175582]  ? bpf_prog_test_run+0x130/0x1a0
[  705.179992]  ? __x64_sys_bpf+0x3d8/0x520
[  705.184047]  ? bpf_prog_get+0x20/0x20
[  705.187857]  ? do_syscall_64+0x1b9/0x820
[  705.191914]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  705.197277]  ? syscall_return_slowpath+0x5e0/0x5e0
[  705.202200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  705.207046]  ? trace_hardirqs_on_caller+0x310/0x310
[  705.212062]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  705.217076]  ? prepare_exit_to_usermode+0x291/0x3b0
[  705.222621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  705.227467]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  705.232942] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  705.233002] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  705.239947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  705.239955] Call Trace:
[  705.246510] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  705.255768]  <IRQ>
[  705.258334] syz-executor0 cpuset=syz0 mems_allowed=0
[  705.268808]  dump_stack+0x244/0x39d
[  705.279640]  ? dump_stack_print_info.cold.1+0x20/0x20
[  705.284836]  ? __wake_up+0xe/0x10
[  705.288297]  warn_alloc.cold.116+0xb7/0x1bd
[  705.292615]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  705.297459]  ? lock_downgrade+0x900/0x900
[  705.301616]  ? trace_hardirqs_off+0xb8/0x310
[  705.306025]  ? trace_hardirqs_off+0xb8/0x310
[  705.310438]  __alloc_pages_slowpath+0x2651/0x2de0
[  705.315304]  ? warn_alloc+0x120/0x120
[  705.319100]  ? print_usage_bug+0xc0/0xc0
[  705.323158]  ? warn_alloc+0x120/0x120
[  705.326956]  ? warn_alloc+0x120/0x120
[  705.330755]  ? print_usage_bug+0xc0/0xc0
[  705.334813]  ? print_usage_bug+0xc0/0xc0
[  705.338872]  ? __lock_acquire+0x62f/0x4c20
[  705.343106]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  705.348642]  ? should_fail+0x22d/0xd01
[  705.352528]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  705.357638]  ? __lock_acquire+0x62f/0x4c20
[  705.361870]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  705.366970]  ? __lock_acquire+0x62f/0x4c20
[  705.371209]  ? should_fail+0x22d/0xd01
[  705.375103]  ? mark_held_locks+0x130/0x130
[  705.379337]  ? mark_held_locks+0x130/0x130
[  705.383579]  ? zap_class+0x640/0x640
[  705.387295]  ? zap_class+0x640/0x640
[  705.391007]  ? print_usage_bug+0xc0/0xc0
[  705.395063]  ? wq_watchdog_touch+0x9c/0xfe
[  705.399294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.404830]  ? check_preemption_disabled+0x48/0x280
[  705.409847]  ? __lock_is_held+0xb5/0x140
[  705.413915]  __alloc_pages_nodemask+0xad8/0xea0
[  705.418579]  ? zap_class+0x640/0x640
[  705.422294]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  705.427313]  ? find_held_lock+0x36/0x1c0
[  705.431375]  ? ____cache_alloc_node+0x1c7/0x1e0
[  705.436038]  ? lock_downgrade+0x900/0x900
[  705.440205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.445758]  cache_grow_begin+0xa5/0x8c0
[  705.449844]  ? do_raw_spin_unlock+0xa7/0x330
[  705.454254]  fallback_alloc+0x204/0x2e0
[  705.458230]  ____cache_alloc_node+0x1c7/0x1e0
[  705.462723]  kmem_cache_alloc_node+0xe3/0x730
[  705.467223]  ? ipv6_get_ifaddr+0x42e/0x620
[  705.471467]  __alloc_skb+0x119/0x770
[  705.475173]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  705.480456]  ? netdev_alloc_frag+0x1f0/0x1f0
[  705.484858]  ? lock_downgrade+0x900/0x900
[  705.489009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.494541]  ? refcount_sub_and_test_checked+0x203/0x310
[  705.499989]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  705.505523]  ? addrconf_rs_timer+0x690/0x690
[  705.509940]  ndisc_alloc_skb+0x144/0x340
[  705.513998]  ndisc_send_rs+0x331/0x6e0
[  705.517883]  addrconf_rs_timer+0x314/0x690
[  705.522118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  705.526356]  call_timer_fn+0x272/0x920
[  705.530243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  705.534476]  ? process_timeout+0x40/0x40
[  705.538540]  ? mark_held_locks+0xc7/0x130
[  705.542682]  ? _raw_spin_unlock_irq+0x27/0x80
[  705.547170]  ? _raw_spin_unlock_irq+0x27/0x80
[  705.551663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  705.555892]  ? lockdep_hardirqs_on+0x296/0x5b0
[  705.560477]  ? trace_hardirqs_on+0xbd/0x310
[  705.564793]  ? kasan_check_read+0x11/0x20
[  705.568948]  ? __run_timers+0x7da/0xc70
[  705.572920]  ? trace_hardirqs_off_caller+0x310/0x310
[  705.578028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  705.582255]  __run_timers+0x7e5/0xc70
[  705.586061]  ? timer_fixup_init+0x70/0x70
[  705.590211]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  705.595222]  ? zap_class+0x640/0x640
[  705.598933]  ? print_usage_bug+0xc0/0xc0
[  705.602992]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  705.608194]  ? find_held_lock+0x36/0x1c0
[  705.612254]  ? zap_class+0x640/0x640
[  705.616226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.621763]  ? check_preemption_disabled+0x48/0x280
[  705.626786]  ? __lock_is_held+0xb5/0x140
[  705.630852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.636385]  ? check_preemption_disabled+0x48/0x280
[  705.641401]  run_timer_softirq+0x52/0xb0
[  705.645460]  ? rcu_read_lock_sched_held+0x14f/0x180
[  705.650470]  __do_softirq+0x308/0xb7e
[  705.654271]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  705.658765]  ? lock_downgrade+0x900/0x900
[  705.662910]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  705.668014]  ? pvclock_read_flags+0x160/0x160
[  705.672509]  ? lapic_next_event+0x5a/0x90
[  705.676654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.682304]  ? kvm_clock_read+0x18/0x30
[  705.686275]  ? kvm_sched_clock_read+0x9/0x20
[  705.690679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.696211]  ? check_preemption_disabled+0x48/0x280
[  705.701228]  irq_exit+0x17f/0x1c0
[  705.704676]  smp_apic_timer_interrupt+0x1cb/0x760
[  705.709512]  ? smp_call_function_single_interrupt+0x159/0x650
[  705.715391]  ? smp_call_function_single_interrupt+0x650/0x650
[  705.721270]  ? interrupt_entry+0xb5/0xc0
[  705.725335]  ? trace_hardirqs_off_caller+0xbb/0x310
[  705.730349]  ? trace_hardirqs_off_caller+0xbb/0x310
[  705.735542]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  705.740381]  ? trace_hardirqs_on_caller+0x310/0x310
[  705.745390]  ? trace_hardirqs_on_caller+0x310/0x310
[  705.750401]  ? task_prio+0x50/0x50
[  705.753945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.759478]  ? check_preemption_disabled+0x48/0x280
[  705.764492]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  705.769337]  apic_timer_interrupt+0xf/0x20
[  705.773561]  </IRQ>
[  705.775793] RIP: 0010:smp_call_function_single+0x30a/0x660
[  705.781414] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  705.800315] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  705.808015] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  705.815278] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  705.822539] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  705.829804] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  705.837066] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  705.844339]  ? smp_call_function_single+0x351/0x660
[  705.849347]  ? smp_call_function_single+0x300/0x660
[  705.854362]  ? rcu_note_context_switch+0x12ad/0x2150
[  705.859460]  ? retint_kernel+0x2d/0x2d
[  705.863343]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  705.869225]  ? generic_exec_single+0x5f0/0x5f0
[  705.873807]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  705.879686]  ? zap_class+0x640/0x640
[  705.883397]  ? smp_call_function_single+0x302/0x660
[  705.888414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.893949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.899486]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  705.904494]  ? find_next_and_bit+0x183/0x1e0
[  705.908905]  smp_call_function_many+0x911/0xae0
[  705.913572]  ? __lock_acquire+0x62f/0x4c20
[  705.917803]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  705.923684]  ? _raw_spin_unlock_irq+0x27/0x80
[  705.928176]  ? _raw_spin_unlock_irq+0x27/0x80
[  705.932668]  ? smp_call_function_single_async+0x370/0x370
[  705.938205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.943824]  ? check_preemption_disabled+0x48/0x280
[  705.948836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.954373]  ? check_preemption_disabled+0x48/0x280
[  705.959407]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  705.965289]  on_each_cpu_mask+0x41/0x240
[  705.969347]  ? x86_configure_nx+0x110/0x110
[  705.973661]  on_each_cpu_cond_mask+0x171/0x210
[  705.978241]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  705.984121]  ? on_each_cpu_mask+0x240/0x240
[  705.988454]  native_flush_tlb_others+0x2ea/0x690
[  705.993209]  ? initialize_tlbstate_and_flush+0x380/0x380
[  705.998691]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  706.003720]  ? find_next_bit+0x104/0x130
[  706.007800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.013333]  ? find_next_bit+0x104/0x130
[  706.017392]  ? cpumask_next+0x41/0x50
[  706.021189]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  706.026214]  ? cpumask_any_but+0xb1/0xe0
[  706.030276]  flush_tlb_mm_range+0x2fe/0x5d0
[  706.034591]  ? fault_around_bytes_set+0x90/0x90
[  706.039262]  ? native_flush_tlb_others+0x690/0x690
[  706.044190]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  706.049726]  ? alloc_pages_current+0x17b/0x350
[  706.054512]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.060061]  ? __tlb_remove_page_size+0x187/0x500
[  706.064904]  unmap_page_range+0x1eef/0x2930
[  706.069244]  ? vm_normal_page_pmd+0x510/0x510
[  706.073751]  ? mark_held_locks+0x130/0x130
[  706.077982]  ? finish_task_switch+0x1f4/0x910
[  706.082471]  ? finish_task_switch+0x1b4/0x910
[  706.087083]  ? __switch_to_asm+0x34/0x70
[  706.091158]  ? zap_class+0x640/0x640
[  706.094872]  ? prepare_to_wait_event+0x39f/0xa10
[  706.099625]  ? tlb_table_flush+0xb4/0x5c0
[  706.103766]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  706.108876]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  706.113977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.119521]  ? tlb_flush_mmu_free+0x105/0x170
[  706.124014]  ? tlb_flush_mmu+0x58/0x520
[  706.127992]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  706.132485]  ? kasan_check_write+0x14/0x20
[  706.136715]  ? tlb_finish_mmu+0x166/0x1f0
[  706.140858]  ? tlb_gather_mmu+0x440/0x440
[  706.145006]  ? kasan_check_write+0x14/0x20
[  706.149238]  __oom_reap_task_mm+0xf7/0x410
[  706.153476]  ? process_shares_mm+0x460/0x460
[  706.157898]  oom_reaper+0x2b7/0x11e0
[  706.161617]  ? __oom_reap_task_mm+0x410/0x410
[  706.166105]  ? lock_pin_lock+0x350/0x350
[  706.170168]  ? finish_wait+0x430/0x430
[  706.174232]  ? __schedule+0x168a/0x21d0
[  706.178203]  ? __switch_to_asm+0x40/0x70
[  706.182261]  ? __switch_to_asm+0x40/0x70
[  706.186323]  ? zap_class+0x640/0x640
[  706.190036]  ? __sched_text_start+0x8/0x8
[  706.194189]  ? find_held_lock+0x36/0x1c0
[  706.198269]  ? __kthread_parkme+0xce/0x1a0
[  706.202581]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  706.207678]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  706.212777]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  706.217355]  ? trace_hardirqs_on+0xbd/0x310
[  706.221676]  ? kasan_check_read+0x11/0x20
[  706.225821]  ? __kthread_parkme+0xce/0x1a0
[  706.230051]  ? trace_hardirqs_off_caller+0x310/0x310
[  706.235154]  ? preempt_schedule+0x4d/0x60
[  706.239300]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  706.244401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.249933]  ? __kthread_parkme+0xfb/0x1a0
[  706.254170]  ? __oom_reap_task_mm+0x410/0x410
[  706.258670]  kthread+0x35a/0x440
[  706.262062]  ? kthread_stop+0x900/0x900
[  706.266047]  ret_from_fork+0x3a/0x50
[  706.269768] warn_alloc_show_mem: 1 callbacks suppressed
[  706.269778] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  706.269779] Mem-Info:
[  706.269809] active_anon:44214 inactive_anon:199 isolated_anon:0
[  706.269809]  active_file:6 inactive_file:21 isolated_file:0
[  706.269809]  unevictable:0 dirty:0 writeback:0 unstable:0
[  706.269809]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  706.269809]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  706.269809]  free:13686 free_pcp:384 free_cma:0
[  706.275147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  706.282504] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  706.284894] Call Trace:
[  706.317663] 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
[  706.327003]  <IRQ>
[  706.354296] lowmem_reserve[]: 0 2818 6321 6321
[  706.356881]  dump_stack+0x244/0x39d
[  706.382953] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  706.385098]  ? dump_stack_print_info.cold.1+0x20/0x20
[  706.389649] lowmem_reserve[]: 0 0 3503 3503
[  706.393272]  ? __wake_up+0xe/0x10
[  706.420578] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  706.425775]  warn_alloc.cold.116+0xb7/0x1bd
[  706.430059] lowmem_reserve[]: 0 0 0 0
[  706.433511]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  706.462454] 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
[  706.466769]  ? lock_downgrade+0x900/0x900
[  706.470539] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  706.475375]  ? trace_hardirqs_off+0xb8/0x310
[  706.488868] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  706.493009]  ? trace_hardirqs_off+0xb8/0x310
[  706.508158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  706.512566]  __alloc_pages_slowpath+0x2651/0x2de0
[  706.526151] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  706.530561]  ? warn_alloc+0x120/0x120
[  706.539355] 271 total pagecache pages
[  706.544183]  ? print_usage_bug+0xc0/0xc0
[  706.552740] 0 pages in swap cache
[  706.556525]  ? warn_alloc+0x120/0x120
[  706.560298] Swap cache stats: add 0, delete 0, find 0/0
[  706.564341]  ? warn_alloc+0x120/0x120
[  706.567771] Free swap  = 0kB
[  706.571558]  ? print_usage_bug+0xc0/0xc0
[  706.576904] Total swap = 0kB
[  706.580692]  ? kvm_clock_read+0x18/0x30
[  706.583680] 1965979 pages RAM
[  706.587752]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  706.590739] 0 pages HighMem/MovableOnly
[  706.594698]  ? print_usage_bug+0xc0/0xc0
[  706.597772] 342854 pages reserved
[  706.597779] 0 pages cma reserved
[  706.602784]  ? __lock_acquire+0x62f/0x4c20
[  706.606789] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  706.610937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.614447] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  706.617723]  ? should_fail+0x22d/0xd01
[  706.621927] oom_reaper cpuset=/ mems_allowed=0
[  706.628407]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.657925]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  706.663027]  ? __lock_acquire+0x62f/0x4c20
[  706.667262]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  706.672359]  ? __lock_acquire+0x62f/0x4c20
[  706.676591]  ? should_fail+0x22d/0xd01
[  706.680470]  ? rcu_irq_exit+0x1a2/0x390
[  706.684448]  ? mark_held_locks+0x130/0x130
[  706.688683]  ? mark_held_locks+0x130/0x130
[  706.692919]  ? mark_held_locks+0xc7/0x130
[  706.697062]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  706.702086]  ? zap_class+0x640/0x640
[  706.705798]  ? print_usage_bug+0xc0/0xc0
[  706.709859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.715395]  ? check_preemption_disabled+0x48/0x280
[  706.720412]  ? __lock_is_held+0xb5/0x140
[  706.724473]  __alloc_pages_nodemask+0xad8/0xea0
[  706.729149]  ? zap_class+0x640/0x640
[  706.732865]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  706.737888]  ? find_held_lock+0x36/0x1c0
[  706.741954]  ? ____cache_alloc_node+0x1c7/0x1e0
[  706.746617]  ? lock_downgrade+0x900/0x900
[  706.750768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.756307]  cache_grow_begin+0xa5/0x8c0
[  706.760363]  ? do_raw_spin_unlock+0xa7/0x330
[  706.764774]  fallback_alloc+0x204/0x2e0
[  706.768747]  ____cache_alloc_node+0x1c7/0x1e0
[  706.773241]  kmem_cache_alloc_node+0xe3/0x730
[  706.777733]  ? ipv6_get_ifaddr+0x42e/0x620
[  706.781982]  __alloc_skb+0x119/0x770
[  706.785688]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.790962]  ? netdev_alloc_frag+0x1f0/0x1f0
[  706.795364]  ? lock_downgrade+0x900/0x900
[  706.799517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.805049]  ? refcount_sub_and_test_checked+0x203/0x310
[  706.810501]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  706.815949]  ? addrconf_rs_timer+0x690/0x690
[  706.820366]  ndisc_alloc_skb+0x144/0x340
[  706.824426]  ndisc_send_rs+0x331/0x6e0
[  706.828316]  addrconf_rs_timer+0x314/0x690
[  706.832550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  706.836786]  call_timer_fn+0x272/0x920
[  706.840669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  706.844901]  ? process_timeout+0x40/0x40
[  706.848964]  ? __run_timers+0x7da/0xc70
[  706.852934]  ? _raw_spin_unlock_irq+0x27/0x80
[  706.857437]  ? _raw_spin_unlock_irq+0x27/0x80
[  706.861941]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  706.866174]  ? lockdep_hardirqs_on+0x296/0x5b0
[  706.870753]  ? trace_hardirqs_on+0xbd/0x310
[  706.875073]  ? kasan_check_read+0x11/0x20
[  706.879233]  ? __run_timers+0x7da/0xc70
[  706.883204]  ? trace_hardirqs_off_caller+0x310/0x310
[  706.888304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  706.892537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  706.896764]  __run_timers+0x7e5/0xc70
[  706.900566]  ? timer_fixup_init+0x70/0x70
[  706.904713]  ? lock_acquire+0x1ed/0x520
[  706.908680]  ? zap_class+0x640/0x640
[  706.912392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.917928]  ? kasan_check_read+0x11/0x20
[  706.922075]  ? do_raw_spin_lock+0x14f/0x350
[  706.926397]  ? find_held_lock+0x36/0x1c0
[  706.930456]  ? zap_class+0x640/0x640
[  706.934170]  ? pvclock_read_flags+0x160/0x160
[  706.938663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.944194]  ? check_preemption_disabled+0x48/0x280
[  706.949212]  ? __lock_is_held+0xb5/0x140
[  706.953273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.958806]  ? check_preemption_disabled+0x48/0x280
[  706.963827]  run_timer_softirq+0x52/0xb0
[  706.967884]  ? rcu_read_lock_sched_held+0x14f/0x180
[  706.972897]  __do_softirq+0x308/0xb7e
[  706.976696]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  706.981186]  ? lock_downgrade+0x900/0x900
[  706.985332]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  706.990436]  ? pvclock_read_flags+0x160/0x160
[  706.994927]  ? lapic_next_event+0x5a/0x90
[  706.999079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.004616]  ? kvm_clock_read+0x18/0x30
[  707.008587]  ? kvm_sched_clock_read+0x9/0x20
[  707.012992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.018523]  ? check_preemption_disabled+0x48/0x280
[  707.023546]  irq_exit+0x17f/0x1c0
[  707.026997]  smp_apic_timer_interrupt+0x1cb/0x760
[  707.031838]  ? smp_call_function_single_interrupt+0x159/0x650
[  707.037821]  ? smp_call_function_single_interrupt+0x650/0x650
[  707.043699]  ? interrupt_entry+0xb5/0xc0
[  707.047755]  ? trace_hardirqs_off_caller+0xbb/0x310
[  707.052765]  ? trace_hardirqs_off_caller+0xbb/0x310
[  707.057777]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.062620]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.067629]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.072637]  ? task_prio+0x50/0x50
[  707.076174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.081706]  ? check_preemption_disabled+0x48/0x280
[  707.086726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.091570]  apic_timer_interrupt+0xf/0x20
[  707.095796]  </IRQ>
[  707.098032] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  707.102964] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  707.121857] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  707.129558] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  707.136819] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  707.144086] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  707.151459] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  707.158721] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  707.166016]  skb_clone+0x1bb/0x500
[  707.169557]  ? finish_task_switch+0x1b4/0x910
[  707.174055]  ? skb_split+0x11e0/0x11e0
[  707.177944]  ? preempt_notifier_register+0x200/0x200
[  707.183045]  ? __switch_to_asm+0x34/0x70
[  707.187099]  ? __switch_to_asm+0x34/0x70
[  707.191154]  ? __switch_to_asm+0x40/0x70
[  707.195211]  ? __switch_to_asm+0x34/0x70
[  707.199268]  ? __switch_to_asm+0x40/0x70
[  707.203321]  ? __switch_to_asm+0x34/0x70
[  707.207377]  ? __switch_to_asm+0x40/0x70
[  707.211428]  ? __switch_to_asm+0x34/0x70
[  707.215485]  ? __switch_to_asm+0x34/0x70
[  707.220087]  ? __switch_to_asm+0x40/0x70
[  707.224147]  ? __switch_to_asm+0x34/0x70
[  707.228209]  bpf_clone_redirect+0xb9/0x490
[  707.232439]  ? __schedule+0x8d7/0x21d0
[  707.236327]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  707.241338]  ? __sched_text_start+0x8/0x8
[  707.245484]  ? retint_kernel+0x2d/0x2d
[  707.249373]  ? find_held_lock+0x36/0x1c0
[  707.253434]  ? lock_acquire+0x1ed/0x520
[  707.257401]  ? bpf_test_run+0x3ee/0x7a0
[  707.261373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.266913]  ? check_preemption_disabled+0x48/0x280
[  707.271952]  ? kasan_check_read+0x11/0x20
[  707.276101]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  707.281371]  ? rcu_softirq_qs+0x20/0x20
[  707.285341]  ? preempt_schedule+0x4d/0x60
[  707.289484]  ? ___preempt_schedule+0x16/0x18
[  707.293892]  ? bpf_test_run+0x271/0x7a0
[  707.297874]  ? netlink_diag_dump+0x2a0/0x2a0
[  707.302379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  707.308010]  ? bpf_test_init.isra.10+0x70/0x100
[  707.312688]  ? bpf_prog_test_run_skb+0x762/0xd60
[  707.317447]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  707.322287]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  707.327816]  ? fput+0x130/0x1a0
[  707.331092]  ? __bpf_prog_get+0x9b/0x290
[  707.335150]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  707.339987]  ? bpf_prog_test_run+0x130/0x1a0
[  707.344397]  ? __x64_sys_bpf+0x3d8/0x520
[  707.348450]  ? bpf_prog_get+0x20/0x20
[  707.352260]  ? do_syscall_64+0x1b9/0x820
[  707.356316]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  707.361681]  ? syscall_return_slowpath+0x5e0/0x5e0
[  707.366607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.371446]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.376473]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  707.381485]  ? prepare_exit_to_usermode+0x291/0x3b0
[  707.386503]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.391349]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  707.396737] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  707.396804] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  707.403747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  707.403751] Call Trace:
[  707.403757]  <IRQ>
[  707.403773]  dump_stack+0x244/0x39d
[  707.403793]  ? dump_stack_print_info.cold.1+0x20/0x20
[  707.410310] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  707.419606]  ? __wake_up+0xe/0x10
[  707.422165] syz-executor0 cpuset=syz0 mems_allowed=0
[  707.424309]  warn_alloc.cold.116+0xb7/0x1bd
[  707.456387]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  707.461228]  ? lock_downgrade+0x900/0x900
[  707.465400]  ? trace_hardirqs_off+0xb8/0x310
[  707.469814]  ? trace_hardirqs_off+0xb8/0x310
[  707.474249]  __alloc_pages_slowpath+0x2651/0x2de0
[  707.479121]  ? warn_alloc+0x120/0x120
[  707.482918]  ? print_usage_bug+0xc0/0xc0
[  707.486980]  ? warn_alloc+0x120/0x120
[  707.490790]  ? warn_alloc+0x120/0x120
[  707.494588]  ? print_usage_bug+0xc0/0xc0
[  707.498656]  ? kvm_clock_read+0x18/0x30
[  707.502624]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  707.507636]  ? print_usage_bug+0xc0/0xc0
[  707.511692]  ? __lock_acquire+0x62f/0x4c20
[  707.515925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  707.521459]  ? should_fail+0x22d/0xd01
[  707.525338]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  707.530613]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  707.535713]  ? __lock_acquire+0x62f/0x4c20
[  707.539960]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  707.545060]  ? __lock_acquire+0x62f/0x4c20
[  707.549289]  ? should_fail+0x22d/0xd01
[  707.553170]  ? rcu_irq_exit+0x1a2/0x390
[  707.557145]  ? mark_held_locks+0x130/0x130
[  707.561377]  ? mark_held_locks+0x130/0x130
[  707.565613]  ? mark_held_locks+0xc7/0x130
[  707.569772]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  707.574790]  ? zap_class+0x640/0x640
[  707.578497]  ? print_usage_bug+0xc0/0xc0
[  707.582555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.588104]  ? check_preemption_disabled+0x48/0x280
[  707.593122]  ? __lock_is_held+0xb5/0x140
[  707.597182]  __alloc_pages_nodemask+0xad8/0xea0
[  707.601845]  ? zap_class+0x640/0x640
[  707.605559]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  707.610580]  ? find_held_lock+0x36/0x1c0
[  707.614642]  ? ____cache_alloc_node+0x1c7/0x1e0
[  707.619304]  ? lock_downgrade+0x900/0x900
[  707.623552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.629108]  cache_grow_begin+0xa5/0x8c0
[  707.633164]  ? do_raw_spin_unlock+0xa7/0x330
[  707.637580]  fallback_alloc+0x204/0x2e0
[  707.641559]  ____cache_alloc_node+0x1c7/0x1e0
[  707.646053]  kmem_cache_alloc_node+0xe3/0x730
[  707.650544]  ? ipv6_get_ifaddr+0x42e/0x620
[  707.654784]  __alloc_skb+0x119/0x770
[  707.658504]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  707.663785]  ? netdev_alloc_frag+0x1f0/0x1f0
[  707.668186]  ? lock_downgrade+0x900/0x900
[  707.672335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.677870]  ? refcount_sub_and_test_checked+0x203/0x310
[  707.683316]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  707.688764]  ? addrconf_rs_timer+0x690/0x690
[  707.693200]  ndisc_alloc_skb+0x144/0x340
[  707.697266]  ndisc_send_rs+0x331/0x6e0
[  707.701150]  addrconf_rs_timer+0x314/0x690
[  707.705385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  707.709709]  call_timer_fn+0x272/0x920
[  707.713590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  707.717818]  ? process_timeout+0x40/0x40
[  707.721879]  ? mark_held_locks+0xc7/0x130
[  707.726024]  ? _raw_spin_unlock_irq+0x27/0x80
[  707.730516]  ? _raw_spin_unlock_irq+0x27/0x80
[  707.735013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  707.739250]  ? lockdep_hardirqs_on+0x296/0x5b0
[  707.743828]  ? trace_hardirqs_on+0xbd/0x310
[  707.748145]  ? kasan_check_read+0x11/0x20
[  707.752289]  ? __run_timers+0x7da/0xc70
[  707.756263]  ? trace_hardirqs_off_caller+0x310/0x310
[  707.761382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  707.765619]  __run_timers+0x7e5/0xc70
[  707.769423]  ? timer_fixup_init+0x70/0x70
[  707.773654]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  707.778664]  ? zap_class+0x640/0x640
[  707.782375]  ? print_usage_bug+0xc0/0xc0
[  707.786446]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  707.791637]  ? find_held_lock+0x36/0x1c0
[  707.795697]  ? zap_class+0x640/0x640
[  707.799410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.804941]  ? check_preemption_disabled+0x48/0x280
[  707.809960]  ? __lock_is_held+0xb5/0x140
[  707.814022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.819559]  ? check_preemption_disabled+0x48/0x280
[  707.824573]  run_timer_softirq+0x52/0xb0
[  707.828642]  ? rcu_read_lock_sched_held+0x14f/0x180
[  707.833655]  __do_softirq+0x308/0xb7e
[  707.837464]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  707.841966]  ? lock_downgrade+0x900/0x900
[  707.846119]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  707.851234]  ? pvclock_read_flags+0x160/0x160
[  707.855723]  ? lapic_next_event+0x5a/0x90
[  707.859865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.865400]  ? kvm_clock_read+0x18/0x30
[  707.869370]  ? kvm_sched_clock_read+0x9/0x20
[  707.873774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.879315]  ? check_preemption_disabled+0x48/0x280
[  707.884369]  irq_exit+0x17f/0x1c0
[  707.887817]  smp_apic_timer_interrupt+0x1cb/0x760
[  707.892669]  ? smp_call_function_single_interrupt+0x159/0x650
[  707.898557]  ? smp_call_function_single_interrupt+0x650/0x650
[  707.904440]  ? interrupt_entry+0xb5/0xc0
[  707.908497]  ? trace_hardirqs_off_caller+0xbb/0x310
[  707.913528]  ? trace_hardirqs_off_caller+0xbb/0x310
[  707.918541]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.923377]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.928387]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.933477]  ? task_prio+0x50/0x50
[  707.937016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.942637]  ? check_preemption_disabled+0x48/0x280
[  707.947652]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.952495]  apic_timer_interrupt+0xf/0x20
[  707.956716]  </IRQ>
[  707.958949] RIP: 0010:smp_call_function_single+0x30a/0x660
[  707.964577] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  707.983468] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  707.991168] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  707.998605] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  708.005867] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  708.013131] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  708.020391] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  708.027669]  ? smp_call_function_single+0x351/0x660
[  708.032680]  ? smp_call_function_single+0x300/0x660
[  708.037694]  ? rcu_note_context_switch+0x12ad/0x2150
[  708.042793]  ? retint_kernel+0x2d/0x2d
[  708.046676]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  708.052812]  ? generic_exec_single+0x5f0/0x5f0
[  708.057393]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  708.063277]  ? zap_class+0x640/0x640
[  708.066990]  ? smp_call_function_single+0x302/0x660
[  708.072004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.077536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.083066]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  708.088092]  ? find_next_and_bit+0x183/0x1e0
[  708.092502]  smp_call_function_many+0x911/0xae0
[  708.097168]  ? __lock_acquire+0x62f/0x4c20
[  708.101399]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  708.107282]  ? _raw_spin_unlock_irq+0x27/0x80
[  708.111772]  ? _raw_spin_unlock_irq+0x27/0x80
[  708.116261]  ? smp_call_function_single_async+0x370/0x370
[  708.121798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.127330]  ? check_preemption_disabled+0x48/0x280
[  708.132347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.137883]  ? check_preemption_disabled+0x48/0x280
[  708.142898]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  708.148779]  on_each_cpu_mask+0x41/0x240
[  708.152837]  ? x86_configure_nx+0x110/0x110
[  708.157154]  on_each_cpu_cond_mask+0x171/0x210
[  708.161732]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  708.167613]  ? on_each_cpu_mask+0x240/0x240
[  708.171935]  native_flush_tlb_others+0x2ea/0x690
[  708.176709]  ? initialize_tlbstate_and_flush+0x380/0x380
[  708.182159]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  708.187166]  ? find_next_bit+0x104/0x130
[  708.191231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.196760]  ? find_next_bit+0x104/0x130
[  708.200823]  ? cpumask_next+0x41/0x50
[  708.204617]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  708.209632]  ? cpumask_any_but+0xb1/0xe0
[  708.213718]  flush_tlb_mm_range+0x2fe/0x5d0
[  708.218033]  ? fault_around_bytes_set+0x90/0x90
[  708.222704]  ? native_flush_tlb_others+0x690/0x690
[  708.227632]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  708.233171]  ? alloc_pages_current+0x17b/0x350
[  708.237756]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.243296]  ? __tlb_remove_page_size+0x187/0x500
[  708.248148]  unmap_page_range+0x1eef/0x2930
[  708.252490]  ? vm_normal_page_pmd+0x510/0x510
[  708.256985]  ? mark_held_locks+0x130/0x130
[  708.261230]  ? finish_task_switch+0x1f4/0x910
[  708.265722]  ? finish_task_switch+0x1b4/0x910
[  708.270213]  ? __switch_to_asm+0x34/0x70
[  708.274281]  ? zap_class+0x640/0x640
[  708.277991]  ? prepare_to_wait_event+0x39f/0xa10
[  708.282739]  ? tlb_table_flush+0xb4/0x5c0
[  708.286884]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  708.291982]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  708.297095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.302628]  ? tlb_flush_mmu_free+0x105/0x170
[  708.307135]  ? tlb_flush_mmu+0x58/0x520
[  708.311130]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  708.315624]  ? kasan_check_write+0x14/0x20
[  708.319852]  ? tlb_finish_mmu+0x166/0x1f0
[  708.324000]  ? tlb_gather_mmu+0x440/0x440
[  708.328146]  ? kasan_check_write+0x14/0x20
[  708.332377]  __oom_reap_task_mm+0xf7/0x410
[  708.336611]  ? process_shares_mm+0x460/0x460
[  708.341052]  oom_reaper+0x2b7/0x11e0
[  708.344770]  ? __oom_reap_task_mm+0x410/0x410
[  708.349260]  ? lock_pin_lock+0x350/0x350
[  708.353319]  ? finish_wait+0x430/0x430
[  708.357213]  ? __schedule+0x168a/0x21d0
[  708.361180]  ? __switch_to_asm+0x40/0x70
[  708.365240]  ? __switch_to_asm+0x40/0x70
[  708.369299]  ? zap_class+0x640/0x640
[  708.373013]  ? __sched_text_start+0x8/0x8
[  708.377166]  ? find_held_lock+0x36/0x1c0
[  708.381239]  ? __kthread_parkme+0xce/0x1a0
[  708.385470]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  708.390566]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  708.395663]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  708.400246]  ? trace_hardirqs_on+0xbd/0x310
[  708.404566]  ? kasan_check_read+0x11/0x20
[  708.408710]  ? __kthread_parkme+0xce/0x1a0
[  708.412949]  ? trace_hardirqs_off_caller+0x310/0x310
[  708.418056]  ? preempt_schedule+0x4d/0x60
[  708.422205]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  708.427304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.432834]  ? __kthread_parkme+0xfb/0x1a0
[  708.437066]  ? __oom_reap_task_mm+0x410/0x410
[  708.441556]  kthread+0x35a/0x440
[  708.444929]  ? kthread_stop+0x900/0x900
[  708.448898]  ret_from_fork+0x3a/0x50
[  708.452620] warn_alloc_show_mem: 1 callbacks suppressed
[  708.452630] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  708.452631] Mem-Info:
[  708.452660] active_anon:44214 inactive_anon:199 isolated_anon:0
[  708.452660]  active_file:6 inactive_file:21 isolated_file:0
[  708.452660]  unevictable:0 dirty:0 writeback:0 unstable:0
[  708.452660]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  708.452660]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  708.452660]  free:13686 free_pcp:384 free_cma:0
[  708.457993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  708.458000] Call Trace:
[  708.465370] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  708.467757]  <IRQ>
[  708.500525] 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
[  708.509972]  dump_stack+0x244/0x39d
[  708.512520] lowmem_reserve[]: 0 2818 6321 6321
[  708.539838]  ? dump_stack_print_info.cold.1+0x20/0x20
[  708.541959] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  708.568060]  ? __wake_up+0xe/0x10
[  708.571665] lowmem_reserve[]: 0 0 3503 3503
[  708.576242]  warn_alloc.cold.116+0xb7/0x1bd
[  708.581397] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  708.608710]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  708.612144] lowmem_reserve[]: 0 0 0 0
[  708.616455]  ? lock_downgrade+0x900/0x900
[  708.620751] 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
[  708.649715]  ? trace_hardirqs_off+0xb8/0x310
[  708.654528] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  708.658331]  ? trace_hardirqs_off+0xb8/0x310
[  708.662442] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  708.675975]  __alloc_pages_slowpath+0x2651/0x2de0
[  708.680356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  708.695542]  ? warn_alloc+0x120/0x120
[  708.699914] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  708.713592]  ? print_usage_bug+0xc0/0xc0
[  708.718403] 271 total pagecache pages
[  708.727224]  ? warn_alloc+0x120/0x120
[  708.731007] 0 pages in swap cache
[  708.739565]  ? warn_alloc+0x120/0x120
[  708.743599] Swap cache stats: add 0, delete 0, find 0/0
[  708.747384]  ? print_usage_bug+0xc0/0xc0
[  708.751241] Free swap  = 0kB
[  708.754682]  ? print_usage_bug+0xc0/0xc0
[  708.758452] Total swap = 0kB
[  708.763804]  ? __lock_acquire+0x62f/0x4c20
[  708.767838] 1965979 pages RAM
[  708.770866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.774902] 0 pages HighMem/MovableOnly
[  708.777922]  ? should_fail+0x22d/0xd01
[  708.783014] 342854 pages reserved
[  708.783021] 0 pages cma reserved
[  708.786114]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  708.791683] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  708.795598]  ? __lock_acquire+0x62f/0x4c20
[  708.795615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  708.795630]  ? __lock_acquire+0x62f/0x4c20
[  708.799582] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  708.802927]  ? should_fail+0x22d/0xd01
[  708.806267] oom_reaper cpuset=/ mems_allowed=0
[  708.811359]  ? find_held_lock+0x36/0x1c0
[  708.854041]  ? mark_held_locks+0x130/0x130
[  708.858275]  ? mark_held_locks+0x130/0x130
[  708.862506]  ? zap_class+0x640/0x640
[  708.866214]  ? zap_class+0x640/0x640
[  708.869926]  ? print_usage_bug+0xc0/0xc0
[  708.873980]  ? do_raw_spin_unlock+0xa7/0x330
[  708.878388]  ? zap_class+0x640/0x640
[  708.882096]  ? print_usage_bug+0xc0/0xc0
[  708.886151]  ? wq_watchdog_touch+0x9c/0xfe
[  708.890387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.895922]  ? check_preemption_disabled+0x48/0x280
[  708.900947]  ? __lock_is_held+0xb5/0x140
[  708.905007]  __alloc_pages_nodemask+0xad8/0xea0
[  708.909669]  ? zap_class+0x640/0x640
[  708.913383]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  708.918403]  ? find_held_lock+0x36/0x1c0
[  708.922468]  ? ____cache_alloc_node+0x1c7/0x1e0
[  708.927133]  ? lock_downgrade+0x900/0x900
[  708.931283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.936819]  cache_grow_begin+0xa5/0x8c0
[  708.940880]  ? do_raw_spin_unlock+0xa7/0x330
[  708.945292]  fallback_alloc+0x204/0x2e0
[  708.949270]  ____cache_alloc_node+0x1c7/0x1e0
[  708.953768]  kmem_cache_alloc_node+0xe3/0x730
[  708.958259]  ? ipv6_get_ifaddr+0x42e/0x620
[  708.962496]  __alloc_skb+0x119/0x770
[  708.966207]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  708.971482]  ? netdev_alloc_frag+0x1f0/0x1f0
[  708.975890]  ? lock_downgrade+0x900/0x900
[  708.980041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.985574]  ? refcount_sub_and_test_checked+0x203/0x310
[  708.991023]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  708.996472]  ? addrconf_rs_timer+0x690/0x690
[  709.000893]  ndisc_alloc_skb+0x144/0x340
[  709.004953]  ndisc_send_rs+0x331/0x6e0
[  709.008838]  addrconf_rs_timer+0x314/0x690
[  709.013096]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.017335]  call_timer_fn+0x272/0x920
[  709.021221]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.025454]  ? process_timeout+0x40/0x40
[  709.029517]  ? __run_timers+0x7da/0xc70
[  709.033488]  ? _raw_spin_unlock_irq+0x27/0x80
[  709.037977]  ? _raw_spin_unlock_irq+0x27/0x80
[  709.042467]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.046696]  ? lockdep_hardirqs_on+0x296/0x5b0
[  709.051274]  ? trace_hardirqs_on+0xbd/0x310
[  709.055600]  ? kasan_check_read+0x11/0x20
[  709.059834]  ? __run_timers+0x7da/0xc70
[  709.063810]  ? trace_hardirqs_off_caller+0x310/0x310
[  709.068911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.073144]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.077372]  __run_timers+0x7e5/0xc70
[  709.081180]  ? timer_fixup_init+0x70/0x70
[  709.085325]  ? lock_acquire+0x1ed/0x520
[  709.089295]  ? zap_class+0x640/0x640
[  709.093003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.098539]  ? kasan_check_read+0x11/0x20
[  709.102683]  ? do_raw_spin_lock+0x14f/0x350
[  709.107021]  ? find_held_lock+0x36/0x1c0
[  709.111082]  ? zap_class+0x640/0x640
[  709.114794]  ? pvclock_read_flags+0x160/0x160
[  709.119285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.124820]  ? check_preemption_disabled+0x48/0x280
[  709.129838]  ? __lock_is_held+0xb5/0x140
[  709.133898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.139430]  ? check_preemption_disabled+0x48/0x280
[  709.144444]  run_timer_softirq+0x52/0xb0
[  709.148502]  ? rcu_read_lock_sched_held+0x14f/0x180
[  709.153514]  __do_softirq+0x308/0xb7e
[  709.157312]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  709.161802]  ? lock_downgrade+0x900/0x900
[  709.165952]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  709.171056]  ? pvclock_read_flags+0x160/0x160
[  709.175549]  ? lapic_next_event+0x5a/0x90
[  709.179695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.185236]  ? kvm_clock_read+0x18/0x30
[  709.189206]  ? kvm_sched_clock_read+0x9/0x20
[  709.193618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.199150]  ? check_preemption_disabled+0x48/0x280
[  709.204167]  irq_exit+0x17f/0x1c0
[  709.207621]  smp_apic_timer_interrupt+0x1cb/0x760
[  709.212460]  ? smp_call_function_single_interrupt+0x159/0x650
[  709.218870]  ? smp_call_function_single_interrupt+0x650/0x650
[  709.224751]  ? interrupt_entry+0xb5/0xc0
[  709.228810]  ? trace_hardirqs_off_caller+0xbb/0x310
[  709.233820]  ? trace_hardirqs_off_caller+0xbb/0x310
[  709.238838]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.243687]  ? trace_hardirqs_on_caller+0x310/0x310
[  709.248699]  ? trace_hardirqs_on_caller+0x310/0x310
[  709.253707]  ? task_prio+0x50/0x50
[  709.257244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.262806]  ? check_preemption_disabled+0x48/0x280
[  709.267822]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.272674]  apic_timer_interrupt+0xf/0x20
[  709.276897]  </IRQ>
[  709.279132] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  709.284057] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  709.302952] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  709.310667] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  709.317931] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  709.325193] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  709.332458] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  709.339721] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  709.347016]  skb_clone+0x1bb/0x500
[  709.350553]  ? finish_task_switch+0x1b4/0x910
[  709.355047]  ? skb_split+0x11e0/0x11e0
[  709.358936]  ? preempt_notifier_register+0x200/0x200
[  709.364033]  ? __switch_to_asm+0x34/0x70
[  709.368086]  ? __switch_to_asm+0x34/0x70
[  709.372140]  ? __switch_to_asm+0x40/0x70
[  709.376192]  ? __switch_to_asm+0x34/0x70
[  709.380247]  ? __switch_to_asm+0x40/0x70
[  709.384301]  ? __switch_to_asm+0x34/0x70
[  709.388353]  ? __switch_to_asm+0x40/0x70
[  709.392406]  ? __switch_to_asm+0x34/0x70
[  709.396461]  ? __switch_to_asm+0x34/0x70
[  709.400515]  ? __switch_to_asm+0x40/0x70
[  709.404569]  ? __switch_to_asm+0x34/0x70
[  709.408636]  bpf_clone_redirect+0xb9/0x490
[  709.412868]  ? __schedule+0x8d7/0x21d0
[  709.416756]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  709.421782]  ? __sched_text_start+0x8/0x8
[  709.425924]  ? retint_kernel+0x2d/0x2d
[  709.429817]  ? find_held_lock+0x36/0x1c0
[  709.433889]  ? lock_acquire+0x1ed/0x520
[  709.437864]  ? bpf_test_run+0x3ee/0x7a0
[  709.441841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.447380]  ? check_preemption_disabled+0x48/0x280
[  709.452498]  ? kasan_check_read+0x11/0x20
[  709.456655]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  709.461925]  ? rcu_softirq_qs+0x20/0x20
[  709.465894]  ? preempt_schedule+0x4d/0x60
[  709.470036]  ? ___preempt_schedule+0x16/0x18
[  709.474445]  ? bpf_test_run+0x271/0x7a0
[  709.478425]  ? netlink_diag_dump+0x2a0/0x2a0
[  709.482840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  709.488461]  ? bpf_test_init.isra.10+0x70/0x100
[  709.493133]  ? bpf_prog_test_run_skb+0x762/0xd60
[  709.497891]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  709.502738]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  709.508274]  ? fput+0x130/0x1a0
[  709.511555]  ? __bpf_prog_get+0x9b/0x290
[  709.515624]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  709.520461]  ? bpf_prog_test_run+0x130/0x1a0
[  709.524880]  ? __x64_sys_bpf+0x3d8/0x520
[  709.528936]  ? bpf_prog_get+0x20/0x20
[  709.532751]  ? do_syscall_64+0x1b9/0x820
[  709.536806]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  709.542171]  ? syscall_return_slowpath+0x5e0/0x5e0
[  709.547094]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.551933]  ? trace_hardirqs_on_caller+0x310/0x310
[  709.556951]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  709.561962]  ? prepare_exit_to_usermode+0x291/0x3b0
[  709.566980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.571827]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  709.577203] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  709.577259] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  709.584209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  709.584214] Call Trace:
[  709.584219]  <IRQ>
[  709.584235]  dump_stack+0x244/0x39d
[  709.584254]  ? dump_stack_print_info.cold.1+0x20/0x20
[  709.590781] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  709.600061]  ? __wake_up+0xe/0x10
[  709.602618] syz-executor0 cpuset=syz0 mems_allowed=0
[  709.604763]  warn_alloc.cold.116+0xb7/0x1bd
[  709.636841]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  709.641681]  ? lock_downgrade+0x900/0x900
[  709.645842]  ? trace_hardirqs_off+0xb8/0x310
[  709.650251]  ? trace_hardirqs_off+0xb8/0x310
[  709.654660]  __alloc_pages_slowpath+0x2651/0x2de0
[  709.659539]  ? warn_alloc+0x120/0x120
[  709.663345]  ? warn_alloc+0x120/0x120
[  709.667158]  ? warn_alloc+0x120/0x120
[  709.670958]  ? print_usage_bug+0xc0/0xc0
[  709.675019]  ? print_usage_bug+0xc0/0xc0
[  709.679082]  ? mark_held_locks+0x130/0x130
[  709.683404]  ? should_fail+0x22d/0xd01
[  709.687288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  709.692825]  ? should_fail+0x22d/0xd01
[  709.696714]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  709.701820]  ? __lock_acquire+0x62f/0x4c20
[  709.706052]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  709.711152]  ? __lock_acquire+0x62f/0x4c20
[  709.715379]  ? should_fail+0x22d/0xd01
[  709.719274]  ? mark_held_locks+0x130/0x130
[  709.723510]  ? mark_held_locks+0x130/0x130
[  709.727739]  ? try_to_wake_up+0x11c/0x1490
[  709.731972]  ? lock_downgrade+0x900/0x900
[  709.736129]  ? zap_class+0x640/0x640
[  709.739838]  ? print_usage_bug+0xc0/0xc0
[  709.743897]  ? trace_hardirqs_off+0xb8/0x310
[  709.748303]  ? kasan_check_read+0x11/0x20
[  709.752451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.757982]  ? check_preemption_disabled+0x48/0x280
[  709.763000]  ? __lock_is_held+0xb5/0x140
[  709.767065]  __alloc_pages_nodemask+0xad8/0xea0
[  709.771742]  ? zap_class+0x640/0x640
[  709.775454]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  709.780476]  ? find_held_lock+0x36/0x1c0
[  709.784538]  ? ____cache_alloc_node+0x1c7/0x1e0
[  709.789201]  ? lock_downgrade+0x900/0x900
[  709.793354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.798891]  cache_grow_begin+0xa5/0x8c0
[  709.802946]  ? do_raw_spin_unlock+0xa7/0x330
[  709.807353]  fallback_alloc+0x204/0x2e0
[  709.811325]  ____cache_alloc_node+0x1c7/0x1e0
[  709.815829]  kmem_cache_alloc_node+0xe3/0x730
[  709.820325]  ? ipv6_get_ifaddr+0x42e/0x620
[  709.824561]  __alloc_skb+0x119/0x770
[  709.828273]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  709.833561]  ? netdev_alloc_frag+0x1f0/0x1f0
[  709.837964]  ? lock_downgrade+0x900/0x900
[  709.842113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.847644]  ? refcount_sub_and_test_checked+0x203/0x310
[  709.853097]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  709.858545]  ? addrconf_rs_timer+0x690/0x690
[  709.863153]  ndisc_alloc_skb+0x144/0x340
[  709.867214]  ndisc_send_rs+0x331/0x6e0
[  709.871100]  addrconf_rs_timer+0x314/0x690
[  709.875347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.879589]  call_timer_fn+0x272/0x920
[  709.883470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.887699]  ? process_timeout+0x40/0x40
[  709.891763]  ? mark_held_locks+0xc7/0x130
[  709.895915]  ? _raw_spin_unlock_irq+0x27/0x80
[  709.900416]  ? _raw_spin_unlock_irq+0x27/0x80
[  709.904907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.909136]  ? lockdep_hardirqs_on+0x296/0x5b0
[  709.913713]  ? trace_hardirqs_on+0xbd/0x310
[  709.918027]  ? kasan_check_read+0x11/0x20
[  709.922176]  ? __run_timers+0x7da/0xc70
[  709.926145]  ? trace_hardirqs_off_caller+0x310/0x310
[  709.931246]  ? __queue_work+0x1440/0x1440
[  709.935390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.939618]  __run_timers+0x7e5/0xc70
[  709.943419]  ? timer_fixup_init+0x70/0x70
[  709.947563]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  709.952577]  ? zap_class+0x640/0x640
[  709.956288]  ? print_usage_bug+0xc0/0xc0
[  709.960343]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  709.965535]  ? find_held_lock+0x36/0x1c0
[  709.969595]  ? zap_class+0x640/0x640
[  709.973309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.978842]  ? check_preemption_disabled+0x48/0x280
[  709.983860]  ? __lock_is_held+0xb5/0x140
[  709.987915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.993447]  ? check_preemption_disabled+0x48/0x280
[  709.998462]  run_timer_softirq+0x52/0xb0
[  710.002522]  ? rcu_read_lock_sched_held+0x14f/0x180
[  710.007532]  __do_softirq+0x308/0xb7e
[  710.011330]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  710.015819]  ? lock_downgrade+0x900/0x900
[  710.020058]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  710.025165]  ? pvclock_read_flags+0x160/0x160
[  710.029671]  ? lapic_next_event+0x5a/0x90
[  710.033905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.039466]  ? kvm_clock_read+0x18/0x30
[  710.043438]  ? kvm_sched_clock_read+0x9/0x20
[  710.047846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.053707]  ? check_preemption_disabled+0x48/0x280
[  710.058728]  irq_exit+0x17f/0x1c0
[  710.062181]  smp_apic_timer_interrupt+0x1cb/0x760
[  710.067021]  ? smp_call_function_single_interrupt+0x159/0x650
[  710.072907]  ? smp_call_function_single_interrupt+0x650/0x650
[  710.078790]  ? interrupt_entry+0xb5/0xc0
[  710.082853]  ? trace_hardirqs_off_caller+0xbb/0x310
[  710.087864]  ? trace_hardirqs_off_caller+0xbb/0x310
[  710.092879]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  710.097731]  ? trace_hardirqs_on_caller+0x310/0x310
[  710.102758]  ? trace_hardirqs_on_caller+0x310/0x310
[  710.107787]  ? task_prio+0x50/0x50
[  710.111327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.116866]  ? check_preemption_disabled+0x48/0x280
[  710.121887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  710.126734]  apic_timer_interrupt+0xf/0x20
[  710.130963]  </IRQ>
[  710.133198] RIP: 0010:smp_call_function_single+0x30a/0x660
[  710.138830] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  710.157754] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  710.165466] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  710.172743] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  710.180024] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  710.187324] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  710.194612] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  710.201910]  ? smp_call_function_single+0x351/0x660
[  710.206931]  ? smp_call_function_single+0x300/0x660
[  710.211963]  ? rcu_note_context_switch+0x12ad/0x2150
[  710.217072]  ? retint_kernel+0x2d/0x2d
[  710.220975]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  710.226890]  ? generic_exec_single+0x5f0/0x5f0
[  710.231468]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  710.237349]  ? zap_class+0x640/0x640
[  710.241057]  ? smp_call_function_single+0x302/0x660
[  710.246082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.251614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.257148]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  710.262171]  ? find_next_and_bit+0x183/0x1e0
[  710.266582]  smp_call_function_many+0x911/0xae0
[  710.271713]  ? __lock_acquire+0x62f/0x4c20
[  710.275948]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  710.281851]  ? _raw_spin_unlock_irq+0x27/0x80
[  710.286339]  ? _raw_spin_unlock_irq+0x27/0x80
[  710.290829]  ? smp_call_function_single_async+0x370/0x370
[  710.296367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.301902]  ? check_preemption_disabled+0x48/0x280
[  710.306920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.312456]  ? check_preemption_disabled+0x48/0x280
[  710.317473]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  710.323359]  on_each_cpu_mask+0x41/0x240
[  710.327415]  ? x86_configure_nx+0x110/0x110
[  710.331734]  on_each_cpu_cond_mask+0x171/0x210
[  710.336335]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  710.342214]  ? on_each_cpu_mask+0x240/0x240
[  710.346539]  native_flush_tlb_others+0x2ea/0x690
[  710.351301]  ? initialize_tlbstate_and_flush+0x380/0x380
[  710.356759]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  710.361857]  ? find_next_bit+0x104/0x130
[  710.365918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.371456]  ? find_next_bit+0x104/0x130
[  710.375515]  ? cpumask_next+0x41/0x50
[  710.379310]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  710.384320]  ? cpumask_any_but+0xb1/0xe0
[  710.388378]  flush_tlb_mm_range+0x2fe/0x5d0
[  710.392695]  ? fault_around_bytes_set+0x90/0x90
[  710.397372]  ? native_flush_tlb_others+0x690/0x690
[  710.402307]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  710.407955]  ? alloc_pages_current+0x17b/0x350
[  710.412536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.418074]  ? __tlb_remove_page_size+0x187/0x500
[  710.422915]  unmap_page_range+0x1eef/0x2930
[  710.427259]  ? vm_normal_page_pmd+0x510/0x510
[  710.431777]  ? mark_held_locks+0x130/0x130
[  710.436016]  ? finish_task_switch+0x1f4/0x910
[  710.440505]  ? finish_task_switch+0x1b4/0x910
[  710.445000]  ? __switch_to_asm+0x34/0x70
[  710.449071]  ? zap_class+0x640/0x640
[  710.452781]  ? prepare_to_wait_event+0x39f/0xa10
[  710.457527]  ? tlb_table_flush+0xb4/0x5c0
[  710.461670]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  710.466770]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  710.471871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.477405]  ? tlb_flush_mmu_free+0x105/0x170
[  710.481900]  ? tlb_flush_mmu+0x58/0x520
[  710.485875]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  710.490381]  ? kasan_check_write+0x14/0x20
[  710.494615]  ? tlb_finish_mmu+0x166/0x1f0
[  710.498777]  ? tlb_gather_mmu+0x440/0x440
[  710.503022]  ? kasan_check_write+0x14/0x20
[  710.507268]  __oom_reap_task_mm+0xf7/0x410
[  710.511514]  ? process_shares_mm+0x460/0x460
[  710.515936]  oom_reaper+0x2b7/0x11e0
[  710.519652]  ? __oom_reap_task_mm+0x410/0x410
[  710.524140]  ? lock_pin_lock+0x350/0x350
[  710.528211]  ? finish_wait+0x430/0x430
[  710.532204]  ? __schedule+0x168a/0x21d0
[  710.536174]  ? __switch_to_asm+0x40/0x70
[  710.540227]  ? __switch_to_asm+0x40/0x70
[  710.544288]  ? zap_class+0x640/0x640
[  710.548010]  ? __sched_text_start+0x8/0x8
[  710.552160]  ? find_held_lock+0x36/0x1c0
[  710.556226]  ? __kthread_parkme+0xce/0x1a0
[  710.560459]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  710.565555]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  710.570657]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  710.575234]  ? trace_hardirqs_on+0xbd/0x310
[  710.579553]  ? kasan_check_read+0x11/0x20
[  710.583695]  ? __kthread_parkme+0xce/0x1a0
[  710.587937]  ? trace_hardirqs_off_caller+0x310/0x310
[  710.593041]  ? preempt_schedule+0x4d/0x60
[  710.597191]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  710.602301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.607836]  ? __kthread_parkme+0xfb/0x1a0
[  710.612419]  ? __oom_reap_task_mm+0x410/0x410
[  710.616913]  kthread+0x35a/0x440
[  710.620274]  ? kthread_stop+0x900/0x900
[  710.624248]  ret_from_fork+0x3a/0x50
[  710.627987] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  710.627991] warn_alloc_show_mem: 1 callbacks suppressed
[  710.627997] Mem-Info:
[  710.635348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  710.640728] active_anon:44214 inactive_anon:199 isolated_anon:0
[  710.640728]  active_file:6 inactive_file:21 isolated_file:0
[  710.640728]  unevictable:0 dirty:0 writeback:0 unstable:0
[  710.640728]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  710.640728]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  710.640728]  free:13686 free_pcp:384 free_cma:0
[  710.643084] Call Trace:
[  710.652456] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  710.685207]  <IRQ>
[  710.687772] 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
[  710.715084]  dump_stack+0x244/0x39d
[  710.717203] lowmem_reserve[]: 0 2818 6321 6321
[  710.743324]  ? dump_stack_print_info.cold.1+0x20/0x20
[  710.746928] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  710.751500]  ? __wake_up+0xe/0x10
[  710.756658] lowmem_reserve[]: 0 0 3503 3503
[  710.783982]  warn_alloc.cold.116+0xb7/0x1bd
[  710.787404] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  710.791720]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  710.796013] lowmem_reserve[]: 0 0 0 0
[  710.824983]  ? lock_downgrade+0x900/0x900
[  710.829797] 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
[  710.833594]  ? trace_hardirqs_off+0xb8/0x310
[  710.837714] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  710.851232]  ? trace_hardirqs_off+0xb8/0x310
[  710.855603] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  710.870775]  __alloc_pages_slowpath+0x2651/0x2de0
[  710.875179] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  710.888781]  ? warn_alloc+0x120/0x120
[  710.893584] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  710.902399]  ? print_usage_bug+0xc0/0xc0
[  710.906173] 271 total pagecache pages
[  710.914735]  ? warn_alloc+0x120/0x120
[  710.918773] 0 pages in swap cache
[  710.922556]  ? warn_alloc+0x120/0x120
[  710.926329] Swap cache stats: add 0, delete 0, find 0/0
[  710.929764]  ? print_usage_bug+0xc0/0xc0
[  710.933537] Free swap  = 0kB
[  710.938889]  ? print_usage_bug+0xc0/0xc0
[  710.942931] Total swap = 0kB
[  710.942939] 1965979 pages RAM
[  710.945945]  ? __lock_acquire+0x62f/0x4c20
[  710.950072] 0 pages HighMem/MovableOnly
[  710.950079] 342854 pages reserved
[  710.953088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.956160] 0 pages cma reserved
[  710.956216] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  710.960390]  ? should_fail+0x22d/0xd01
[  710.964429] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  710.967781]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  710.973290] oom_reaper cpuset=/ mems_allowed=0
[  710.976647]  ? __lock_acquire+0x62f/0x4c20
[  711.011059]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  711.016155]  ? __lock_acquire+0x62f/0x4c20
[  711.020386]  ? should_fail+0x22d/0xd01
[  711.024281]  ? mark_held_locks+0x130/0x130
[  711.028515]  ? mark_held_locks+0x130/0x130
[  711.032746]  ? zap_class+0x640/0x640
[  711.036468]  ? zap_class+0x640/0x640
[  711.040176]  ? print_usage_bug+0xc0/0xc0
[  711.044234]  ? wq_watchdog_touch+0x9c/0xfe
[  711.048469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.054018]  ? check_preemption_disabled+0x48/0x280
[  711.059037]  ? __lock_is_held+0xb5/0x140
[  711.063099]  __alloc_pages_nodemask+0xad8/0xea0
[  711.067763]  ? zap_class+0x640/0x640
[  711.071477]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  711.076502]  ? find_held_lock+0x36/0x1c0
[  711.080568]  ? ____cache_alloc_node+0x1c7/0x1e0
[  711.085231]  ? lock_downgrade+0x900/0x900
[  711.089378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.094913]  cache_grow_begin+0xa5/0x8c0
[  711.098968]  ? do_raw_spin_unlock+0xa7/0x330
[  711.103381]  fallback_alloc+0x204/0x2e0
[  711.107353]  ____cache_alloc_node+0x1c7/0x1e0
[  711.111850]  kmem_cache_alloc_node+0xe3/0x730
[  711.116342]  ? ipv6_get_ifaddr+0x42e/0x620
[  711.120584]  __alloc_skb+0x119/0x770
[  711.124290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.129563]  ? netdev_alloc_frag+0x1f0/0x1f0
[  711.133970]  ? lock_downgrade+0x900/0x900
[  711.138121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.143653]  ? refcount_sub_and_test_checked+0x203/0x310
[  711.149110]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  711.154557]  ? addrconf_rs_timer+0x690/0x690
[  711.158971]  ndisc_alloc_skb+0x144/0x340
[  711.163036]  ndisc_send_rs+0x331/0x6e0
[  711.166921]  addrconf_rs_timer+0x314/0x690
[  711.171156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  711.175398]  call_timer_fn+0x272/0x920
[  711.179284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  711.183528]  ? process_timeout+0x40/0x40
[  711.187591]  ? __run_timers+0x7da/0xc70
[  711.191566]  ? _raw_spin_unlock_irq+0x27/0x80
[  711.196054]  ? _raw_spin_unlock_irq+0x27/0x80
[  711.200545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  711.204790]  ? lockdep_hardirqs_on+0x296/0x5b0
[  711.209371]  ? trace_hardirqs_on+0xbd/0x310
[  711.213693]  ? kasan_check_read+0x11/0x20
[  711.217832]  ? __run_timers+0x7da/0xc70
[  711.222334]  ? trace_hardirqs_off_caller+0x310/0x310
[  711.227448]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  711.231680]  __run_timers+0x7e5/0xc70
[  711.235486]  ? timer_fixup_init+0x70/0x70
[  711.239633]  ? lock_acquire+0x1ed/0x520
[  711.243606]  ? zap_class+0x640/0x640
[  711.247321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.252858]  ? kasan_check_read+0x11/0x20
[  711.256998]  ? do_raw_spin_lock+0x14f/0x350
[  711.261324]  ? find_held_lock+0x36/0x1c0
[  711.265384]  ? zap_class+0x640/0x640
[  711.269693]  ? pvclock_read_flags+0x160/0x160
[  711.274185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.279721]  ? check_preemption_disabled+0x48/0x280
[  711.284744]  ? __lock_is_held+0xb5/0x140
[  711.288802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.294335]  ? check_preemption_disabled+0x48/0x280
[  711.299351]  run_timer_softirq+0x52/0xb0
[  711.303407]  ? rcu_read_lock_sched_held+0x14f/0x180
[  711.308442]  __do_softirq+0x308/0xb7e
[  711.312242]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  711.316734]  ? lock_downgrade+0x900/0x900
[  711.320883]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  711.325987]  ? pvclock_read_flags+0x160/0x160
[  711.330481]  ? lapic_next_event+0x5a/0x90
[  711.335063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.340703]  ? kvm_clock_read+0x18/0x30
[  711.344685]  ? kvm_sched_clock_read+0x9/0x20
[  711.349089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.354620]  ? check_preemption_disabled+0x48/0x280
[  711.359813]  irq_exit+0x17f/0x1c0
[  711.363266]  smp_apic_timer_interrupt+0x1cb/0x760
[  711.368113]  ? smp_call_function_single_interrupt+0x159/0x650
[  711.373992]  ? smp_call_function_single_interrupt+0x650/0x650
[  711.379886]  ? interrupt_entry+0xb5/0xc0
[  711.383944]  ? trace_hardirqs_off_caller+0xbb/0x310
[  711.388957]  ? trace_hardirqs_off_caller+0xbb/0x310
[  711.393970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.398809]  ? trace_hardirqs_on_caller+0x310/0x310
[  711.403818]  ? trace_hardirqs_on_caller+0x310/0x310
[  711.408833]  ? task_prio+0x50/0x50
[  711.412374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.417911]  ? check_preemption_disabled+0x48/0x280
[  711.422927]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.427774]  apic_timer_interrupt+0xf/0x20
[  711.431999]  </IRQ>
[  711.434238] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  711.439162] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  711.458067] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  711.465773] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  711.473039] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  711.480315] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  711.487580] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  711.494845] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  711.502140]  skb_clone+0x1bb/0x500
[  711.505772]  ? finish_task_switch+0x1b4/0x910
[  711.510261]  ? skb_split+0x11e0/0x11e0
[  711.514149]  ? preempt_notifier_register+0x200/0x200
[  711.519246]  ? __switch_to_asm+0x34/0x70
[  711.523301]  ? __switch_to_asm+0x34/0x70
[  711.527354]  ? __switch_to_asm+0x40/0x70
[  711.531411]  ? __switch_to_asm+0x34/0x70
[  711.535467]  ? __switch_to_asm+0x40/0x70
[  711.539524]  ? __switch_to_asm+0x34/0x70
[  711.543577]  ? __switch_to_asm+0x40/0x70
[  711.547632]  ? __switch_to_asm+0x34/0x70
[  711.551694]  ? __switch_to_asm+0x34/0x70
[  711.555751]  ? __switch_to_asm+0x40/0x70
[  711.559803]  ? __switch_to_asm+0x34/0x70
[  711.563863]  bpf_clone_redirect+0xb9/0x490
[  711.568091]  ? __schedule+0x8d7/0x21d0
[  711.571977]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  711.576989]  ? __sched_text_start+0x8/0x8
[  711.581130]  ? retint_kernel+0x2d/0x2d
[  711.585021]  ? find_held_lock+0x36/0x1c0
[  711.589089]  ? lock_acquire+0x1ed/0x520
[  711.593058]  ? bpf_test_run+0x3ee/0x7a0
[  711.597027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.602562]  ? check_preemption_disabled+0x48/0x280
[  711.607581]  ? kasan_check_read+0x11/0x20
[  711.611735]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.617006]  ? rcu_softirq_qs+0x20/0x20
[  711.620979]  ? preempt_schedule+0x4d/0x60
[  711.625122]  ? ___preempt_schedule+0x16/0x18
[  711.629529]  ? bpf_test_run+0x271/0x7a0
[  711.633511]  ? netlink_diag_dump+0x2a0/0x2a0
[  711.637920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.643453]  ? bpf_test_init.isra.10+0x70/0x100
[  711.648121]  ? bpf_prog_test_run_skb+0x762/0xd60
[  711.652879]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  711.657721]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  711.663253]  ? fput+0x130/0x1a0
[  711.666532]  ? __bpf_prog_get+0x9b/0x290
[  711.670593]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  711.675433]  ? bpf_prog_test_run+0x130/0x1a0
[  711.679837]  ? __x64_sys_bpf+0x3d8/0x520
[  711.683892]  ? bpf_prog_get+0x20/0x20
[  711.687708]  ? do_syscall_64+0x1b9/0x820
[  711.691763]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  711.697211]  ? syscall_return_slowpath+0x5e0/0x5e0
[  711.702138]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.706981]  ? trace_hardirqs_on_caller+0x310/0x310
[  711.711993]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  711.717004]  ? prepare_exit_to_usermode+0x291/0x3b0
[  711.722023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.726866]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  711.732240] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  711.732299] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  711.739249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  711.739253] Call Trace:
[  711.739260]  <IRQ>
[  711.739276]  dump_stack+0x244/0x39d
[  711.739294]  ? dump_stack_print_info.cold.1+0x20/0x20
[  711.745856] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  711.755109]  ? __wake_up+0xe/0x10
[  711.757664] syz-executor0 cpuset=syz0 mems_allowed=0
[  711.759810]  warn_alloc.cold.116+0xb7/0x1bd
[  711.792009]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  711.796849]  ? lock_downgrade+0x900/0x900
[  711.801003]  ? trace_hardirqs_off+0xb8/0x310
[  711.806453]  ? trace_hardirqs_off+0xb8/0x310
[  711.810864]  __alloc_pages_slowpath+0x2651/0x2de0
[  711.815729]  ? warn_alloc+0x120/0x120
[  711.819526]  ? print_usage_bug+0xc0/0xc0
[  711.823583]  ? warn_alloc+0x120/0x120
[  711.827398]  ? warn_alloc+0x120/0x120
[  711.831194]  ? print_usage_bug+0xc0/0xc0
[  711.835250]  ? kvm_clock_read+0x18/0x30
[  711.839220]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  711.844232]  ? print_usage_bug+0xc0/0xc0
[  711.848291]  ? __lock_acquire+0x62f/0x4c20
[  711.852523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.858055]  ? should_fail+0x22d/0xd01
[  711.861942]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  711.867039]  ? __lock_acquire+0x62f/0x4c20
[  711.871274]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  711.876371]  ? __lock_acquire+0x62f/0x4c20
[  711.880598]  ? should_fail+0x22d/0xd01
[  711.884499]  ? mark_held_locks+0x130/0x130
[  711.888735]  ? mark_held_locks+0x130/0x130
[  711.892972]  ? zap_class+0x640/0x640
[  711.896682]  ? print_usage_bug+0xc0/0xc0
[  711.900742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.906277]  ? check_preemption_disabled+0x48/0x280
[  711.911309]  ? __lock_is_held+0xb5/0x140
[  711.915386]  __alloc_pages_nodemask+0xad8/0xea0
[  711.920062]  ? zap_class+0x640/0x640
[  711.923775]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  711.928793]  ? find_held_lock+0x36/0x1c0
[  711.932856]  ? ____cache_alloc_node+0x1c7/0x1e0
[  711.937525]  ? lock_downgrade+0x900/0x900
[  711.941675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.947210]  cache_grow_begin+0xa5/0x8c0
[  711.951268]  ? do_raw_spin_unlock+0xa7/0x330
[  711.955678]  fallback_alloc+0x204/0x2e0
[  711.959652]  ____cache_alloc_node+0x1c7/0x1e0
[  711.964147]  kmem_cache_alloc_node+0xe3/0x730
[  711.968637]  ? ipv6_get_ifaddr+0x42e/0x620
[  711.972879]  __alloc_skb+0x119/0x770
[  711.976584]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.981871]  ? netdev_alloc_frag+0x1f0/0x1f0
[  711.986279]  ? lock_downgrade+0x900/0x900
[  711.990433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.995980]  ? refcount_sub_and_test_checked+0x203/0x310
[  712.001434]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  712.006882]  ? addrconf_rs_timer+0x690/0x690
[  712.011298]  ndisc_alloc_skb+0x144/0x340
[  712.015359]  ndisc_send_rs+0x331/0x6e0
[  712.019245]  addrconf_rs_timer+0x314/0x690
[  712.023477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  712.027718]  call_timer_fn+0x272/0x920
[  712.031605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  712.035832]  ? process_timeout+0x40/0x40
[  712.039903]  ? mark_held_locks+0xc7/0x130
[  712.044046]  ? _raw_spin_unlock_irq+0x27/0x80
[  712.048534]  ? _raw_spin_unlock_irq+0x27/0x80
[  712.053531]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  712.057763]  ? lockdep_hardirqs_on+0x296/0x5b0
[  712.062342]  ? trace_hardirqs_on+0xbd/0x310
[  712.066664]  ? kasan_check_read+0x11/0x20
[  712.070804]  ? __run_timers+0x7da/0xc70
[  712.074773]  ? trace_hardirqs_off_caller+0x310/0x310
[  712.079885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  712.084112]  __run_timers+0x7e5/0xc70
[  712.087918]  ? timer_fixup_init+0x70/0x70
[  712.092063]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  712.097077]  ? zap_class+0x640/0x640
[  712.100795]  ? print_usage_bug+0xc0/0xc0
[  712.104857]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  712.110047]  ? find_held_lock+0x36/0x1c0
[  712.114106]  ? zap_class+0x640/0x640
[  712.117820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.123354]  ? check_preemption_disabled+0x48/0x280
[  712.128377]  ? __lock_is_held+0xb5/0x140
[  712.132432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.137964]  ? check_preemption_disabled+0x48/0x280
[  712.142977]  run_timer_softirq+0x52/0xb0
[  712.147034]  ? rcu_read_lock_sched_held+0x14f/0x180
[  712.152045]  __do_softirq+0x308/0xb7e
[  712.155847]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  712.160338]  ? lock_downgrade+0x900/0x900
[  712.164483]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  712.169594]  ? pvclock_read_flags+0x160/0x160
[  712.174089]  ? lapic_next_event+0x5a/0x90
[  712.178237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.183776]  ? kvm_clock_read+0x18/0x30
[  712.187748]  ? kvm_sched_clock_read+0x9/0x20
[  712.192150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.197684]  ? check_preemption_disabled+0x48/0x280
[  712.202703]  irq_exit+0x17f/0x1c0
[  712.206154]  smp_apic_timer_interrupt+0x1cb/0x760
[  712.210990]  ? smp_call_function_single_interrupt+0x159/0x650
[  712.216871]  ? smp_call_function_single_interrupt+0x650/0x650
[  712.222749]  ? interrupt_entry+0xb5/0xc0
[  712.226809]  ? trace_hardirqs_off_caller+0xbb/0x310
[  712.231822]  ? trace_hardirqs_off_caller+0xbb/0x310
[  712.236846]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  712.241686]  ? trace_hardirqs_on_caller+0x310/0x310
[  712.246701]  ? trace_hardirqs_on_caller+0x310/0x310
[  712.251718]  ? task_prio+0x50/0x50
[  712.255256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.260793]  ? check_preemption_disabled+0x48/0x280
[  712.265808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  712.270659]  apic_timer_interrupt+0xf/0x20
[  712.274881]  </IRQ>
[  712.277115] RIP: 0010:smp_call_function_single+0x30a/0x660
[  712.282741] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  712.301635] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  712.309345] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  712.316607] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  712.323876] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  712.331163] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  712.338434] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  712.345709]  ? smp_call_function_single+0x351/0x660
[  712.350717]  ? smp_call_function_single+0x300/0x660
[  712.355739]  ? rcu_note_context_switch+0x12ad/0x2150
[  712.360837]  ? retint_kernel+0x2d/0x2d
[  712.364719]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  712.370600]  ? generic_exec_single+0x5f0/0x5f0
[  712.375175]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  712.381150]  ? zap_class+0x640/0x640
[  712.384856]  ? smp_call_function_single+0x302/0x660
[  712.389867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.395399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.400948]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  712.405956]  ? find_next_and_bit+0x183/0x1e0
[  712.410367]  smp_call_function_many+0x911/0xae0
[  712.415031]  ? __lock_acquire+0x62f/0x4c20
[  712.419266]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  712.425145]  ? _raw_spin_unlock_irq+0x27/0x80
[  712.429636]  ? _raw_spin_unlock_irq+0x27/0x80
[  712.434126]  ? smp_call_function_single_async+0x370/0x370
[  712.439691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.445257]  ? check_preemption_disabled+0x48/0x280
[  712.450287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.455826]  ? check_preemption_disabled+0x48/0x280
[  712.460847]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  712.466728]  on_each_cpu_mask+0x41/0x240
[  712.470785]  ? x86_configure_nx+0x110/0x110
[  712.475105]  on_each_cpu_cond_mask+0x171/0x210
[  712.479689]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  712.485580]  ? on_each_cpu_mask+0x240/0x240
[  712.489917]  native_flush_tlb_others+0x2ea/0x690
[  712.494676]  ? initialize_tlbstate_and_flush+0x380/0x380
[  712.500129]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  712.505237]  ? find_next_bit+0x104/0x130
[  712.509300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  712.514834]  ? find_next_bit+0x104/0x130
[  712.518892]  ? cpumask_next+0x41/0x50
[  712.522691]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  712.527701]  ? cpumask_any_but+0xb1/0xe0
[  712.531762]  flush_tlb_mm_range+0x2fe/0x5d0
[  712.536078]  ? fault_around_bytes_set+0x90/0x90
[  712.540748]  ? native_flush_tlb_others+0x690/0x690
[  712.545672]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  712.551218]  ? alloc_pages_current+0x17b/0x350
[  712.555811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  712.561343]  ? __tlb_remove_page_size+0x187/0x500
[  712.566184]  unmap_page_range+0x1eef/0x2930
[  712.570524]  ? vm_normal_page_pmd+0x510/0x510
[  712.575030]  ? mark_held_locks+0x130/0x130
[  712.579261]  ? finish_task_switch+0x1f4/0x910
[  712.583749]  ? finish_task_switch+0x1b4/0x910
[  712.588242]  ? __switch_to_asm+0x34/0x70
[  712.592317]  ? zap_class+0x640/0x640
[  712.596028]  ? prepare_to_wait_event+0x39f/0xa10
[  712.600776]  ? tlb_table_flush+0xb4/0x5c0
[  712.604919]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  712.610017]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  712.615118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.620653]  ? tlb_flush_mmu_free+0x105/0x170
[  712.625144]  ? tlb_flush_mmu+0x58/0x520
[  712.629120]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  712.633616]  ? kasan_check_write+0x14/0x20
[  712.637851]  ? tlb_finish_mmu+0x166/0x1f0
[  712.641994]  ? tlb_gather_mmu+0x440/0x440
[  712.646141]  ? kasan_check_write+0x14/0x20
[  712.650389]  __oom_reap_task_mm+0xf7/0x410
[  712.654625]  ? process_shares_mm+0x460/0x460
[  712.659046]  oom_reaper+0x2b7/0x11e0
[  712.662764]  ? __oom_reap_task_mm+0x410/0x410
[  712.667256]  ? lock_pin_lock+0x350/0x350
[  712.671313]  ? finish_wait+0x430/0x430
[  712.675204]  ? __schedule+0x168a/0x21d0
[  712.679171]  ? __switch_to_asm+0x40/0x70
[  712.683225]  ? __switch_to_asm+0x40/0x70
[  712.687289]  ? zap_class+0x640/0x640
[  712.691005]  ? __sched_text_start+0x8/0x8
[  712.695153]  ? find_held_lock+0x36/0x1c0
[  712.699216]  ? __kthread_parkme+0xce/0x1a0
[  712.703445]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  712.708548]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  712.713649]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  712.718233]  ? trace_hardirqs_on+0xbd/0x310
[  712.722573]  ? kasan_check_read+0x11/0x20
[  712.726832]  ? __kthread_parkme+0xce/0x1a0
[  712.731062]  ? trace_hardirqs_off_caller+0x310/0x310
[  712.736160]  ? preempt_schedule+0x4d/0x60
[  712.740310]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  712.745409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  712.750945]  ? __kthread_parkme+0xfb/0x1a0
[  712.755177]  ? __oom_reap_task_mm+0x410/0x410
[  712.759664]  kthread+0x35a/0x440
[  712.763026]  ? kthread_stop+0x900/0x900
[  712.766995]  ret_from_fork+0x3a/0x50
[  712.770722] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  712.770726] warn_alloc_show_mem: 1 callbacks suppressed
[  712.770732] Mem-Info:
[  712.778086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  712.783448] active_anon:44214 inactive_anon:199 isolated_anon:0
[  712.783448]  active_file:6 inactive_file:21 isolated_file:0
[  712.783448]  unevictable:0 dirty:0 writeback:0 unstable:0
[  712.783448]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  712.783448]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  712.783448]  free:13686 free_pcp:384 free_cma:0
[  712.785825] Call Trace:
[  712.795222] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  712.827974]  <IRQ>
[  712.830544] 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
[  712.857859]  dump_stack+0x244/0x39d
[  712.859978] lowmem_reserve[]: 0 2818 6321 6321
[  712.886095]  ? dump_stack_print_info.cold.1+0x20/0x20
[  712.889691] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  712.894956]  ? __wake_up+0xe/0x10
[  712.900114] lowmem_reserve[]: 0 0 3503 3503
[  712.927428]  warn_alloc.cold.116+0xb7/0x1bd
[  712.930858] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  712.935169]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  712.939457] lowmem_reserve[]: 0 0 0 0
[  712.968438]  ? lock_downgrade+0x900/0x900
[  712.973371] 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
[  712.977159]  ? trace_hardirqs_off+0xb8/0x310
[  712.981277] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  712.994792]  ? trace_hardirqs_off+0xb8/0x310
[  712.999179] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  713.014347]  __alloc_pages_slowpath+0x2651/0x2de0
[  713.018731] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  713.032345]  ? warn_alloc+0x120/0x120
[  713.037143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  713.045973]  ? print_usage_bug+0xc0/0xc0
[  713.049747] 271 total pagecache pages
[  713.058305]  ? warn_alloc+0x120/0x120
[  713.062346] 0 pages in swap cache
[  713.066128]  ? warn_alloc+0x120/0x120
[  713.069904] Swap cache stats: add 0, delete 0, find 0/0
[  713.073340]  ? print_usage_bug+0xc0/0xc0
[  713.077107] Free swap  = 0kB
[  713.077115] Total swap = 0kB
[  713.082463]  ? kvm_clock_read+0x18/0x30
[  713.086495] 1965979 pages RAM
[  713.089512]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  713.092502] 0 pages HighMem/MovableOnly
[  713.092510] 342854 pages reserved
[  713.096469]  ? print_usage_bug+0xc0/0xc0
[  713.099545] 0 pages cma reserved
[  713.104546]  ? __lock_acquire+0x62f/0x4c20
[  713.108542] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  713.112051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.116201] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  713.119438]  ? should_fail+0x22d/0xd01
[  713.123643] oom_reaper cpuset=/ mems_allowed=0
[  713.130126]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  713.159382]  ? __lock_acquire+0x62f/0x4c20
[  713.163615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  713.168713]  ? __lock_acquire+0x62f/0x4c20
[  713.172940]  ? should_fail+0x22d/0xd01
[  713.176834]  ? mark_held_locks+0x130/0x130
[  713.181072]  ? mark_held_locks+0x130/0x130
[  713.185308]  ? zap_class+0x640/0x640
[  713.189021]  ? print_usage_bug+0xc0/0xc0
[  713.193081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.198616]  ? check_preemption_disabled+0x48/0x280
[  713.203648]  ? __lock_is_held+0xb5/0x140
[  713.207708]  __alloc_pages_nodemask+0xad8/0xea0
[  713.212372]  ? zap_class+0x640/0x640
[  713.216085]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  713.221624]  ? find_held_lock+0x36/0x1c0
[  713.225694]  ? ____cache_alloc_node+0x1c7/0x1e0
[  713.230358]  ? lock_downgrade+0x900/0x900
[  713.234517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.240078]  cache_grow_begin+0xa5/0x8c0
[  713.244135]  ? do_raw_spin_unlock+0xa7/0x330
[  713.248549]  fallback_alloc+0x204/0x2e0
[  713.252525]  ____cache_alloc_node+0x1c7/0x1e0
[  713.257020]  kmem_cache_alloc_node+0xe3/0x730
[  713.261518]  ? ipv6_get_ifaddr+0x42e/0x620
[  713.265761]  __alloc_skb+0x119/0x770
[  713.269470]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  713.274765]  ? netdev_alloc_frag+0x1f0/0x1f0
[  713.279168]  ? lock_downgrade+0x900/0x900
[  713.283317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.288849]  ? refcount_sub_and_test_checked+0x203/0x310
[  713.294299]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  713.299753]  ? addrconf_rs_timer+0x690/0x690
[  713.304170]  ndisc_alloc_skb+0x144/0x340
[  713.308231]  ndisc_send_rs+0x331/0x6e0
[  713.312124]  addrconf_rs_timer+0x314/0x690
[  713.316359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.320595]  call_timer_fn+0x272/0x920
[  713.324484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.328714]  ? process_timeout+0x40/0x40
[  713.332778]  ? __run_timers+0x7da/0xc70
[  713.336750]  ? _raw_spin_unlock_irq+0x27/0x80
[  713.341244]  ? _raw_spin_unlock_irq+0x27/0x80
[  713.345734]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.349965]  ? lockdep_hardirqs_on+0x296/0x5b0
[  713.354548]  ? trace_hardirqs_on+0xbd/0x310
[  713.358864]  ? kasan_check_read+0x11/0x20
[  713.363004]  ? __run_timers+0x7da/0xc70
[  713.366974]  ? trace_hardirqs_off_caller+0x310/0x310
[  713.372081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.376310]  __run_timers+0x7e5/0xc70
[  713.380113]  ? timer_fixup_init+0x70/0x70
[  713.384261]  ? lock_acquire+0x1ed/0x520
[  713.388239]  ? zap_class+0x640/0x640
[  713.391950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.397491]  ? kasan_check_read+0x11/0x20
[  713.401632]  ? do_raw_spin_lock+0x14f/0x350
[  713.405954]  ? find_held_lock+0x36/0x1c0
[  713.410014]  ? zap_class+0x640/0x640
[  713.413726]  ? pvclock_read_flags+0x160/0x160
[  713.418219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.423760]  ? check_preemption_disabled+0x48/0x280
[  713.428778]  ? __lock_is_held+0xb5/0x140
[  713.432836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.438368]  ? check_preemption_disabled+0x48/0x280
[  713.443388]  run_timer_softirq+0x52/0xb0
[  713.447445]  ? rcu_read_lock_sched_held+0x14f/0x180
[  713.452470]  __do_softirq+0x308/0xb7e
[  713.456269]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  713.460845]  ? lock_downgrade+0x900/0x900
[  713.465003]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  713.470108]  ? pvclock_read_flags+0x160/0x160
[  713.474600]  ? lapic_next_event+0x5a/0x90
[  713.478747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.484287]  ? kvm_clock_read+0x18/0x30
[  713.488257]  ? kvm_sched_clock_read+0x9/0x20
[  713.492662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.498196]  ? check_preemption_disabled+0x48/0x280
[  713.503223]  irq_exit+0x17f/0x1c0
[  713.506672]  smp_apic_timer_interrupt+0x1cb/0x760
[  713.511513]  ? smp_call_function_single_interrupt+0x159/0x650
[  713.517395]  ? smp_call_function_single_interrupt+0x650/0x650
[  713.523285]  ? interrupt_entry+0xb5/0xc0
[  713.527345]  ? trace_hardirqs_off_caller+0xbb/0x310
[  713.532355]  ? trace_hardirqs_off_caller+0xbb/0x310
[  713.537369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  713.542207]  ? trace_hardirqs_on_caller+0x310/0x310
[  713.547231]  ? trace_hardirqs_on_caller+0x310/0x310
[  713.552244]  ? task_prio+0x50/0x50
[  713.555784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.561321]  ? check_preemption_disabled+0x48/0x280
[  713.566337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  713.571181]  apic_timer_interrupt+0xf/0x20
[  713.575407]  </IRQ>
[  713.577650] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  713.582576] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  713.601473] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  713.609173] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  713.616457] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  713.623721] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  713.630984] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  713.638247] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  713.645541]  skb_clone+0x1bb/0x500
[  713.649078]  ? finish_task_switch+0x1b4/0x910
[  713.653573]  ? skb_split+0x11e0/0x11e0
[  713.657949]  ? preempt_notifier_register+0x200/0x200
[  713.663046]  ? __switch_to_asm+0x34/0x70
[  713.667102]  ? __switch_to_asm+0x34/0x70
[  713.671165]  ? __switch_to_asm+0x40/0x70
[  713.675220]  ? __switch_to_asm+0x34/0x70
[  713.679272]  ? __switch_to_asm+0x40/0x70
[  713.683327]  ? __switch_to_asm+0x34/0x70
[  713.687380]  ? __switch_to_asm+0x40/0x70
[  713.691431]  ? __switch_to_asm+0x34/0x70
[  713.695493]  ? __switch_to_asm+0x34/0x70
[  713.699545]  ? __switch_to_asm+0x40/0x70
[  713.703600]  ? __switch_to_asm+0x34/0x70
[  713.707660]  bpf_clone_redirect+0xb9/0x490
[  713.711895]  ? __schedule+0x8d7/0x21d0
[  713.715783]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  713.720884]  ? __sched_text_start+0x8/0x8
[  713.725025]  ? retint_kernel+0x2d/0x2d
[  713.728914]  ? find_held_lock+0x36/0x1c0
[  713.732978]  ? lock_acquire+0x1ed/0x520
[  713.736949]  ? bpf_test_run+0x3ee/0x7a0
[  713.740919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.746470]  ? check_preemption_disabled+0x48/0x280
[  713.751492]  ? kasan_check_read+0x11/0x20
[  713.755648]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  713.760918]  ? rcu_softirq_qs+0x20/0x20
[  713.764888]  ? preempt_schedule+0x4d/0x60
[  713.769033]  ? ___preempt_schedule+0x16/0x18
[  713.773449]  ? bpf_test_run+0x271/0x7a0
[  713.777443]  ? netlink_diag_dump+0x2a0/0x2a0
[  713.781850]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.787393]  ? bpf_test_init.isra.10+0x70/0x100
[  713.792061]  ? bpf_prog_test_run_skb+0x762/0xd60
[  713.796820]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  713.801662]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  713.807305]  ? fput+0x130/0x1a0
[  713.810583]  ? __bpf_prog_get+0x9b/0x290
[  713.814643]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  713.819482]  ? bpf_prog_test_run+0x130/0x1a0
[  713.823889]  ? __x64_sys_bpf+0x3d8/0x520
[  713.827944]  ? bpf_prog_get+0x20/0x20
[  713.831760]  ? do_syscall_64+0x1b9/0x820
[  713.835816]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  713.841174]  ? syscall_return_slowpath+0x5e0/0x5e0
[  713.846100]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  713.850940]  ? trace_hardirqs_on_caller+0x310/0x310
[  713.855952]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  713.860968]  ? prepare_exit_to_usermode+0x291/0x3b0
[  713.865988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  713.870830]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  713.876208] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  713.876265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  713.883222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  713.883227] Call Trace:
[  713.883233]  <IRQ>
[  713.883248]  dump_stack+0x244/0x39d
[  713.883266]  ? dump_stack_print_info.cold.1+0x20/0x20
[  713.889860] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  713.899074]  ? __wake_up+0xe/0x10
[  713.901629] syz-executor0 cpuset=syz0 mems_allowed=0
[  713.903773]  warn_alloc.cold.116+0xb7/0x1bd
[  713.935848]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  713.940697]  ? lock_downgrade+0x900/0x900
[  713.944851]  ? trace_hardirqs_off+0xb8/0x310
[  713.949269]  ? trace_hardirqs_off+0xb8/0x310
[  713.953683]  __alloc_pages_slowpath+0x2651/0x2de0
[  713.958564]  ? warn_alloc+0x120/0x120
[  713.962374]  ? print_usage_bug+0xc0/0xc0
[  713.966439]  ? warn_alloc+0x120/0x120
[  713.970237]  ? warn_alloc+0x120/0x120
[  713.974032]  ? print_usage_bug+0xc0/0xc0
[  713.978092]  ? kvm_clock_read+0x18/0x30
[  713.982061]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  713.987072]  ? print_usage_bug+0xc0/0xc0
[  713.991129]  ? __lock_acquire+0x62f/0x4c20
[  713.995363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  714.000906]  ? should_fail+0x22d/0xd01
[  714.004793]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  714.009890]  ? __lock_acquire+0x62f/0x4c20
[  714.014127]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  714.019223]  ? __lock_acquire+0x62f/0x4c20
[  714.023455]  ? should_fail+0x22d/0xd01
[  714.027345]  ? mark_held_locks+0x130/0x130
[  714.031580]  ? mark_held_locks+0x130/0x130
[  714.035815]  ? zap_class+0x640/0x640
[  714.039523]  ? print_usage_bug+0xc0/0xc0
[  714.043582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.049116]  ? check_preemption_disabled+0x48/0x280
[  714.054415]  ? __lock_is_held+0xb5/0x140
[  714.058483]  __alloc_pages_nodemask+0xad8/0xea0
[  714.063147]  ? zap_class+0x640/0x640
[  714.066859]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  714.071878]  ? find_held_lock+0x36/0x1c0
[  714.075941]  ? ____cache_alloc_node+0x1c7/0x1e0
[  714.080607]  ? lock_downgrade+0x900/0x900
[  714.084759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.090295]  cache_grow_begin+0xa5/0x8c0
[  714.094353]  ? do_raw_spin_unlock+0xa7/0x330
[  714.098763]  fallback_alloc+0x204/0x2e0
[  714.102740]  ____cache_alloc_node+0x1c7/0x1e0
[  714.107236]  kmem_cache_alloc_node+0xe3/0x730
[  714.111730]  ? ipv6_get_ifaddr+0x42e/0x620
[  714.115966]  __alloc_skb+0x119/0x770
[  714.119677]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  714.124955]  ? netdev_alloc_frag+0x1f0/0x1f0
[  714.129358]  ? lock_downgrade+0x900/0x900
[  714.133506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.139039]  ? refcount_sub_and_test_checked+0x203/0x310
[  714.144492]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  714.149939]  ? addrconf_rs_timer+0x690/0x690
[  714.154351]  ndisc_alloc_skb+0x144/0x340
[  714.158417]  ndisc_send_rs+0x331/0x6e0
[  714.162304]  addrconf_rs_timer+0x314/0x690
[  714.166542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  714.170783]  call_timer_fn+0x272/0x920
[  714.174670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  714.178898]  ? process_timeout+0x40/0x40
[  714.182966]  ? mark_held_locks+0xc7/0x130
[  714.187110]  ? _raw_spin_unlock_irq+0x27/0x80
[  714.191598]  ? _raw_spin_unlock_irq+0x27/0x80
[  714.196094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  714.200327]  ? lockdep_hardirqs_on+0x296/0x5b0
[  714.204905]  ? trace_hardirqs_on+0xbd/0x310
[  714.209222]  ? kasan_check_read+0x11/0x20
[  714.213362]  ? __run_timers+0x7da/0xc70
[  714.217337]  ? trace_hardirqs_off_caller+0x310/0x310
[  714.222508]  ? can_init_stats.isra.0+0x100/0x100
[  714.227267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  714.231498]  __run_timers+0x7e5/0xc70
[  714.235302]  ? timer_fixup_init+0x70/0x70
[  714.239454]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  714.244480]  ? zap_class+0x640/0x640
[  714.248195]  ? print_usage_bug+0xc0/0xc0
[  714.252254]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  714.257443]  ? find_held_lock+0x36/0x1c0
[  714.261505]  ? zap_class+0x640/0x640
[  714.265220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.270754]  ? check_preemption_disabled+0x48/0x280
[  714.275773]  ? __lock_is_held+0xb5/0x140
[  714.279844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.285603]  ? check_preemption_disabled+0x48/0x280
[  714.290619]  run_timer_softirq+0x52/0xb0
[  714.294681]  ? rcu_read_lock_sched_held+0x14f/0x180
[  714.299694]  __do_softirq+0x308/0xb7e
[  714.303492]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  714.307982]  ? lock_downgrade+0x900/0x900
[  714.312129]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  714.317239]  ? pvclock_read_flags+0x160/0x160
[  714.321733]  ? lapic_next_event+0x5a/0x90
[  714.325877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.331416]  ? kvm_clock_read+0x18/0x30
[  714.335393]  ? kvm_sched_clock_read+0x9/0x20
[  714.339884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.345435]  ? check_preemption_disabled+0x48/0x280
[  714.350452]  irq_exit+0x17f/0x1c0
[  714.353905]  smp_apic_timer_interrupt+0x1cb/0x760
[  714.358745]  ? smp_call_function_single_interrupt+0x159/0x650
[  714.364625]  ? smp_call_function_single_interrupt+0x650/0x650
[  714.370510]  ? interrupt_entry+0xb5/0xc0
[  714.374570]  ? trace_hardirqs_off_caller+0xbb/0x310
[  714.379583]  ? trace_hardirqs_off_caller+0xbb/0x310
[  714.384612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  714.389458]  ? trace_hardirqs_on_caller+0x310/0x310
[  714.394468]  ? trace_hardirqs_on_caller+0x310/0x310
[  714.399483]  ? task_prio+0x50/0x50
[  714.403023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.408555]  ? check_preemption_disabled+0x48/0x280
[  714.413569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  714.418417]  apic_timer_interrupt+0xf/0x20
[  714.422645]  </IRQ>
[  714.424879] RIP: 0010:smp_call_function_single+0x30a/0x660
[  714.430501] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  714.449399] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  714.457100] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  714.464363] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  714.471640] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  714.478904] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  714.486169] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  714.493457]  ? smp_call_function_single+0x351/0x660
[  714.498467]  ? smp_call_function_single+0x300/0x660
[  714.503486]  ? rcu_note_context_switch+0x12ad/0x2150
[  714.508581]  ? retint_kernel+0x2d/0x2d
[  714.512468]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  714.518348]  ? generic_exec_single+0x5f0/0x5f0
[  714.522930]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  714.528810]  ? zap_class+0x640/0x640
[  714.532517]  ? smp_call_function_single+0x302/0x660
[  714.537526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.543059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.548591]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  714.553604]  ? find_next_and_bit+0x183/0x1e0
[  714.558031]  smp_call_function_many+0x911/0xae0
[  714.562695]  ? __lock_acquire+0x62f/0x4c20
[  714.566926]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  714.572806]  ? _raw_spin_unlock_irq+0x27/0x80
[  714.577297]  ? _raw_spin_unlock_irq+0x27/0x80
[  714.581789]  ? smp_call_function_single_async+0x370/0x370
[  714.587321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.592942]  ? check_preemption_disabled+0x48/0x280
[  714.597955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.603487]  ? check_preemption_disabled+0x48/0x280
[  714.608505]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  714.614393]  on_each_cpu_mask+0x41/0x240
[  714.618450]  ? x86_configure_nx+0x110/0x110
[  714.622767]  on_each_cpu_cond_mask+0x171/0x210
[  714.627342]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  714.633227]  ? on_each_cpu_mask+0x240/0x240
[  714.637552]  native_flush_tlb_others+0x2ea/0x690
[  714.642303]  ? initialize_tlbstate_and_flush+0x380/0x380
[  714.647757]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  714.652766]  ? find_next_bit+0x104/0x130
[  714.656827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  714.662363]  ? find_next_bit+0x104/0x130
[  714.666444]  ? cpumask_next+0x41/0x50
[  714.670238]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  714.675248]  ? cpumask_any_but+0xb1/0xe0
[  714.679311]  flush_tlb_mm_range+0x2fe/0x5d0
[  714.683634]  ? fault_around_bytes_set+0x90/0x90
[  714.688303]  ? native_flush_tlb_others+0x690/0x690
[  714.693227]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  714.698768]  ? alloc_pages_current+0x17b/0x350
[  714.703363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  714.708903]  ? __tlb_remove_page_size+0x187/0x500
[  714.713747]  unmap_page_range+0x1eef/0x2930
[  714.718083]  ? vm_normal_page_pmd+0x510/0x510
[  714.722582]  ? mark_held_locks+0x130/0x130
[  714.726819]  ? finish_task_switch+0x1f4/0x910
[  714.731309]  ? finish_task_switch+0x1b4/0x910
[  714.735800]  ? __switch_to_asm+0x34/0x70
[  714.739867]  ? zap_class+0x640/0x640
[  714.743576]  ? prepare_to_wait_event+0x39f/0xa10
[  714.748332]  ? tlb_table_flush+0xb4/0x5c0
[  714.752480]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  714.757574]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  714.762678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.768207]  ? tlb_flush_mmu_free+0x105/0x170
[  714.772701]  ? tlb_flush_mmu+0x58/0x520
[  714.776761]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  714.781256]  ? kasan_check_write+0x14/0x20
[  714.785487]  ? tlb_finish_mmu+0x166/0x1f0
[  714.789643]  ? tlb_gather_mmu+0x440/0x440
[  714.793788]  ? kasan_check_write+0x14/0x20
[  714.798020]  __oom_reap_task_mm+0xf7/0x410
[  714.802252]  ? process_shares_mm+0x460/0x460
[  714.806677]  oom_reaper+0x2b7/0x11e0
[  714.810394]  ? __oom_reap_task_mm+0x410/0x410
[  714.814885]  ? lock_pin_lock+0x350/0x350
[  714.818944]  ? finish_wait+0x430/0x430
[  714.822833]  ? __schedule+0x168a/0x21d0
[  714.826804]  ? __switch_to_asm+0x40/0x70
[  714.830860]  ? __switch_to_asm+0x40/0x70
[  714.834919]  ? zap_class+0x640/0x640
[  714.838634]  ? __sched_text_start+0x8/0x8
[  714.842783]  ? find_held_lock+0x36/0x1c0
[  714.846848]  ? __kthread_parkme+0xce/0x1a0
[  714.851077]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  714.856179]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  714.861280]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  714.865858]  ? trace_hardirqs_on+0xbd/0x310
[  714.870189]  ? kasan_check_read+0x11/0x20
[  714.874340]  ? __kthread_parkme+0xce/0x1a0
[  714.878571]  ? trace_hardirqs_off_caller+0x310/0x310
[  714.883676]  ? preempt_schedule+0x4d/0x60
[  714.887835]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  714.892933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  714.898485]  ? __kthread_parkme+0xfb/0x1a0
[  714.902722]  ? __oom_reap_task_mm+0x410/0x410
[  714.907325]  kthread+0x35a/0x440
[  714.910699]  ? kthread_stop+0x900/0x900
[  714.914673]  ret_from_fork+0x3a/0x50
[  714.918395] warn_alloc_show_mem: 1 callbacks suppressed
[  714.918404] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  714.918406] Mem-Info:
[  714.918435] active_anon:44214 inactive_anon:199 isolated_anon:0
[  714.918435]  active_file:6 inactive_file:21 isolated_file:0
[  714.918435]  unevictable:0 dirty:0 writeback:0 unstable:0
[  714.918435]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  714.918435]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  714.918435]  free:13686 free_pcp:384 free_cma:0
[  714.923770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  714.923777] Call Trace:
[  714.931136] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  714.933592]  <IRQ>
[  714.933625]  dump_stack+0x244/0x39d
[  714.966925] 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
[  714.976276]  ? dump_stack_print_info.cold.1+0x20/0x20
[  714.978829] lowmem_reserve[]: 0 2818 6321 6321
[  715.006143]  ? __wake_up+0xe/0x10
[  715.008304] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  715.011931]  warn_alloc.cold.116+0xb7/0x1bd
[  715.038007] lowmem_reserve[]: 0 0 3503 3503
[  715.043188]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  715.047739] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  715.051188]  ? lock_downgrade+0x900/0x900
[  715.078478] lowmem_reserve[]: 0 0 0 0
[  715.082804]  ? trace_hardirqs_off+0xb8/0x310
[  715.087268] 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
[  715.092104]  ? trace_hardirqs_off+0xb8/0x310
[  715.121051] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  715.125201]  __alloc_pages_slowpath+0x2651/0x2de0
[  715.128968] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  715.133395]  ? warn_alloc+0x120/0x120
[  715.146879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  715.151382]  ? warn_alloc+0x120/0x120
[  715.166531] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  715.171359]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  715.184941] 271 total pagecache pages
[  715.188730]  ? warn_alloc+0x120/0x120
[  715.197543] 0 pages in swap cache
[  715.201335]  ? print_usage_bug+0xc0/0xc0
[  715.209878] Swap cache stats: add 0, delete 0, find 0/0
[  715.209885] Free swap  = 0kB
[  715.214890]  ? print_usage_bug+0xc0/0xc0
[  715.218988] Total swap = 0kB
[  715.218995] 1965979 pages RAM
[  715.222792]  ? print_usage_bug+0xc0/0xc0
[  715.226320] 0 pages HighMem/MovableOnly
[  715.226327] 342854 pages reserved
[  715.230373]  ? print_usage_bug+0xc0/0xc0
[  715.235702] 0 pages cma reserved
[  715.235759] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  715.238720]  ? print_usage_bug+0xc0/0xc0
[  715.242819] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  715.245765]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  715.248839] oom_reaper cpuset=/ mems_allowed=0
[  715.252889]  ? should_fail+0x22d/0xd01
[  715.302339]  ? print_usage_bug+0xc0/0xc0
[  715.306401]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  715.311501]  ? __lock_acquire+0x62f/0x4c20
[  715.315733]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  715.320832]  ? should_fail+0x22d/0xd01
[  715.324725]  ? mark_held_locks+0x130/0x130
[  715.328963]  ? mark_held_locks+0x130/0x130
[  715.333207]  ? zap_class+0x640/0x640
[  715.336916]  ? mark_held_locks+0x130/0x130
[  715.341143]  ? zap_class+0x640/0x640
[  715.344854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.350389]  ? check_preemption_disabled+0x48/0x280
[  715.355408]  ? __lock_is_held+0xb5/0x140
[  715.359469]  __alloc_pages_nodemask+0xad8/0xea0
[  715.364135]  ? zap_class+0x640/0x640
[  715.367846]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  715.372867]  ? find_held_lock+0x36/0x1c0
[  715.376931]  ? ____cache_alloc_node+0x1c7/0x1e0
[  715.381596]  ? lock_downgrade+0x900/0x900
[  715.385750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.391295]  cache_grow_begin+0xa5/0x8c0
[  715.395354]  ? do_raw_spin_unlock+0xa7/0x330
[  715.399764]  fallback_alloc+0x204/0x2e0
[  715.403739]  ____cache_alloc_node+0x1c7/0x1e0
[  715.408233]  kmem_cache_alloc_node+0xe3/0x730
[  715.412725]  ? lockdep_hardirqs_on+0x296/0x5b0
[  715.417328]  __alloc_skb+0x119/0x770
[  715.421036]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  715.426402]  ? netdev_alloc_frag+0x1f0/0x1f0
[  715.430808]  ? lock_acquire+0x1ed/0x520
[  715.434782]  ? aoecmd_cfg+0x108/0x7f0
[  715.438578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.444109]  ? check_preemption_disabled+0x48/0x280
[  715.449129]  ? kasan_check_read+0x11/0x20
[  715.453270]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  715.458544]  ? rcu_softirq_qs+0x20/0x20
[  715.462524]  new_skb+0x26/0x1c0
[  715.465799]  aoecmd_cfg+0x279/0x7f0
[  715.469424]  ? find_held_lock+0x36/0x1c0
[  715.473487]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  715.477807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.483343]  ? check_preemption_disabled+0x48/0x280
[  715.488375]  ? __lock_is_held+0xb5/0x140
[  715.492439]  discover_timer+0x50/0x60
[  715.496233]  call_timer_fn+0x272/0x920
[  715.500119]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  715.504959]  ? process_timeout+0x40/0x40
[  715.509021]  ? __run_timers+0x7da/0xc70
[  715.512995]  ? _raw_spin_unlock_irq+0x27/0x80
[  715.517483]  ? _raw_spin_unlock_irq+0x27/0x80
[  715.521973]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  715.526812]  ? lockdep_hardirqs_on+0x296/0x5b0
[  715.531390]  ? trace_hardirqs_on+0xbd/0x310
[  715.535719]  ? kasan_check_read+0x11/0x20
[  715.539862]  ? __run_timers+0x7da/0xc70
[  715.543846]  ? trace_hardirqs_off_caller+0x310/0x310
[  715.548966]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  715.553801]  __run_timers+0x7e5/0xc70
[  715.557616]  ? timer_fixup_init+0x70/0x70
[  715.561762]  ? lock_acquire+0x1ed/0x520
[  715.565730]  ? zap_class+0x640/0x640
[  715.569440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.574981]  ? kasan_check_read+0x11/0x20
[  715.579122]  ? do_raw_spin_lock+0x14f/0x350
[  715.583460]  ? find_held_lock+0x36/0x1c0
[  715.587521]  ? zap_class+0x640/0x640
[  715.591232]  ? pvclock_read_flags+0x160/0x160
[  715.595724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.601257]  ? check_preemption_disabled+0x48/0x280
[  715.606288]  ? __lock_is_held+0xb5/0x140
[  715.610346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.615880]  ? check_preemption_disabled+0x48/0x280
[  715.620898]  run_timer_softirq+0x52/0xb0
[  715.624977]  ? rcu_read_lock_sched_held+0x14f/0x180
[  715.630004]  __do_softirq+0x308/0xb7e
[  715.633813]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  715.638302]  ? lock_downgrade+0x900/0x900
[  715.642450]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  715.647553]  ? pvclock_read_flags+0x160/0x160
[  715.652047]  ? lapic_next_event+0x5a/0x90
[  715.656193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.661733]  ? kvm_clock_read+0x18/0x30
[  715.665702]  ? kvm_sched_clock_read+0x9/0x20
[  715.670110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.675643]  ? check_preemption_disabled+0x48/0x280
[  715.680665]  irq_exit+0x17f/0x1c0
[  715.684117]  smp_apic_timer_interrupt+0x1cb/0x760
[  715.688954]  ? smp_call_function_single_interrupt+0x159/0x650
[  715.694834]  ? smp_call_function_single_interrupt+0x650/0x650
[  715.700715]  ? interrupt_entry+0xb5/0xc0
[  715.704773]  ? trace_hardirqs_off_caller+0xbb/0x310
[  715.709879]  ? trace_hardirqs_off_caller+0xbb/0x310
[  715.714891]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  715.719729]  ? trace_hardirqs_on_caller+0x310/0x310
[  715.724739]  ? trace_hardirqs_on_caller+0x310/0x310
[  715.729747]  ? task_prio+0x50/0x50
[  715.733286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.738819]  ? check_preemption_disabled+0x48/0x280
[  715.743833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  715.748676]  apic_timer_interrupt+0xf/0x20
[  715.752902]  </IRQ>
[  715.755136] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  715.760061] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  715.778969] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  715.786671] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  715.793933] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  715.801198] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  715.808461] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  715.815722] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  715.823021]  skb_clone+0x1bb/0x500
[  715.826557]  ? finish_task_switch+0x1b4/0x910
[  715.831051]  ? skb_split+0x11e0/0x11e0
[  715.834938]  ? preempt_notifier_register+0x200/0x200
[  715.840036]  ? __switch_to_asm+0x34/0x70
[  715.844091]  ? __switch_to_asm+0x34/0x70
[  715.848156]  ? __switch_to_asm+0x40/0x70
[  715.852209]  ? __switch_to_asm+0x34/0x70
[  715.856271]  ? __switch_to_asm+0x40/0x70
[  715.860323]  ? __switch_to_asm+0x34/0x70
[  715.864380]  ? __switch_to_asm+0x40/0x70
[  715.868433]  ? __switch_to_asm+0x34/0x70
[  715.872488]  ? __switch_to_asm+0x34/0x70
[  715.876541]  ? __switch_to_asm+0x40/0x70
[  715.880593]  ? __switch_to_asm+0x34/0x70
[  715.884656]  bpf_clone_redirect+0xb9/0x490
[  715.888886]  ? __schedule+0x8d7/0x21d0
[  715.892771]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  715.897785]  ? __sched_text_start+0x8/0x8
[  715.901931]  ? retint_kernel+0x2d/0x2d
[  715.905820]  ? find_held_lock+0x36/0x1c0
[  715.909883]  ? lock_acquire+0x1ed/0x520
[  715.913853]  ? bpf_test_run+0x3ee/0x7a0
[  715.917820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.923352]  ? check_preemption_disabled+0x48/0x280
[  715.928367]  ? kasan_check_read+0x11/0x20
[  715.932514]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  715.937783]  ? rcu_softirq_qs+0x20/0x20
[  715.941755]  ? preempt_schedule+0x4d/0x60
[  715.945899]  ? ___preempt_schedule+0x16/0x18
[  715.950307]  ? bpf_test_run+0x271/0x7a0
[  715.954289]  ? netlink_diag_dump+0x2a0/0x2a0
[  715.958699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  715.964321]  ? bpf_test_init.isra.10+0x70/0x100
[  715.968998]  ? bpf_prog_test_run_skb+0x762/0xd60
[  715.973756]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  715.978598]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  715.984134]  ? fput+0x130/0x1a0
[  715.987415]  ? __bpf_prog_get+0x9b/0x290
[  715.991477]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  715.996403]  ? bpf_prog_test_run+0x130/0x1a0
[  716.000824]  ? __x64_sys_bpf+0x3d8/0x520
[  716.004883]  ? bpf_prog_get+0x20/0x20
[  716.008782]  ? do_syscall_64+0x1b9/0x820
[  716.012840]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  716.018200]  ? syscall_return_slowpath+0x5e0/0x5e0
[  716.023130]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  716.027972]  ? trace_hardirqs_on_caller+0x310/0x310
[  716.032991]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  716.038008]  ? prepare_exit_to_usermode+0x291/0x3b0
[  716.043022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  716.047868]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  716.053557] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  716.053610] aoe: skb alloc failure
[  716.060568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  716.060575] Call Trace:
[  716.064172] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  716.073452]  <IRQ>
[  716.076019] syz-executor0 cpuset=syz0 mems_allowed=0
[  716.086506]  dump_stack+0x244/0x39d
[  716.097331]  ? dump_stack_print_info.cold.1+0x20/0x20
[  716.102519]  ? __wake_up+0xe/0x10
[  716.105989]  warn_alloc.cold.116+0xb7/0x1bd
[  716.110312]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  716.115152]  ? lock_downgrade+0x900/0x900
[  716.119304]  ? trace_hardirqs_off+0xb8/0x310
[  716.123713]  ? trace_hardirqs_off+0xb8/0x310
[  716.128123]  __alloc_pages_slowpath+0x2651/0x2de0
[  716.132983]  ? warn_alloc+0x120/0x120
[  716.136785]  ? print_usage_bug+0xc0/0xc0
[  716.140845]  ? warn_alloc+0x120/0x120
[  716.144656]  ? warn_alloc+0x120/0x120
[  716.148454]  ? print_usage_bug+0xc0/0xc0
[  716.152515]  ? print_usage_bug+0xc0/0xc0
[  716.156572]  ? __lock_acquire+0x62f/0x4c20
[  716.160816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  716.166347]  ? should_fail+0x22d/0xd01
[  716.170240]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  716.175341]  ? __lock_acquire+0x62f/0x4c20
[  716.179574]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  716.184669]  ? __lock_acquire+0x62f/0x4c20
[  716.188895]  ? should_fail+0x22d/0xd01
[  716.192777]  ? find_held_lock+0x36/0x1c0
[  716.196843]  ? mark_held_locks+0x130/0x130
[  716.201075]  ? mark_held_locks+0x130/0x130
[  716.205307]  ? try_to_wake_up+0x11c/0x1490
[  716.209542]  ? lock_downgrade+0x900/0x900
[  716.213702]  ? zap_class+0x640/0x640
[  716.217413]  ? print_usage_bug+0xc0/0xc0
[  716.221477]  ? trace_hardirqs_off+0xb8/0x310
[  716.225885]  ? kasan_check_read+0x11/0x20
[  716.230029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.235564]  ? check_preemption_disabled+0x48/0x280
[  716.240582]  ? __lock_is_held+0xb5/0x140
[  716.244990]  __alloc_pages_nodemask+0xad8/0xea0
[  716.249651]  ? zap_class+0x640/0x640
[  716.253361]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  716.258380]  ? find_held_lock+0x36/0x1c0
[  716.262449]  ? ____cache_alloc_node+0x1c7/0x1e0
[  716.267132]  ? lock_downgrade+0x900/0x900
[  716.271284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.276821]  cache_grow_begin+0xa5/0x8c0
[  716.280877]  ? do_raw_spin_unlock+0xa7/0x330
[  716.285288]  fallback_alloc+0x204/0x2e0
[  716.289262]  ____cache_alloc_node+0x1c7/0x1e0
[  716.293757]  kmem_cache_alloc_node+0xe3/0x730
[  716.298248]  ? ipv6_get_ifaddr+0x42e/0x620
[  716.302490]  __alloc_skb+0x119/0x770
[  716.306197]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  716.311486]  ? netdev_alloc_frag+0x1f0/0x1f0
[  716.315889]  ? lock_downgrade+0x900/0x900
[  716.320038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.325574]  ? refcount_sub_and_test_checked+0x203/0x310
[  716.331034]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  716.336602]  ? addrconf_rs_timer+0x690/0x690
[  716.341019]  ndisc_alloc_skb+0x144/0x340
[  716.345081]  ndisc_send_rs+0x331/0x6e0
[  716.349006]  addrconf_rs_timer+0x314/0x690
[  716.353254]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  716.357493]  call_timer_fn+0x272/0x920
[  716.361379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  716.365606]  ? process_timeout+0x40/0x40
[  716.369672]  ? mark_held_locks+0xc7/0x130
[  716.373818]  ? _raw_spin_unlock_irq+0x27/0x80
[  716.378307]  ? _raw_spin_unlock_irq+0x27/0x80
[  716.382881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  716.387109]  ? lockdep_hardirqs_on+0x296/0x5b0
[  716.391691]  ? trace_hardirqs_on+0xbd/0x310
[  716.396006]  ? kasan_check_read+0x11/0x20
[  716.400145]  ? __run_timers+0x7da/0xc70
[  716.404114]  ? trace_hardirqs_off_caller+0x310/0x310
[  716.409223]  ? __queue_work+0x1440/0x1440
[  716.413386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  716.417612]  __run_timers+0x7e5/0xc70
[  716.421418]  ? timer_fixup_init+0x70/0x70
[  716.425562]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  716.430576]  ? zap_class+0x640/0x640
[  716.434287]  ? print_usage_bug+0xc0/0xc0
[  716.438347]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  716.443536]  ? find_held_lock+0x36/0x1c0
[  716.447596]  ? zap_class+0x640/0x640
[  716.451312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.456843]  ? check_preemption_disabled+0x48/0x280
[  716.461861]  ? __lock_is_held+0xb5/0x140
[  716.465917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.471457]  ? check_preemption_disabled+0x48/0x280
[  716.476474]  run_timer_softirq+0x52/0xb0
[  716.480532]  ? rcu_read_lock_sched_held+0x14f/0x180
[  716.485541]  __do_softirq+0x308/0xb7e
[  716.489339]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  716.493829]  ? lock_downgrade+0x900/0x900
[  716.497973]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  716.503078]  ? pvclock_read_flags+0x160/0x160
[  716.507567]  ? lapic_next_event+0x5a/0x90
[  716.511710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.517255]  ? kvm_clock_read+0x18/0x30
[  716.521337]  ? kvm_sched_clock_read+0x9/0x20
[  716.525766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.531298]  ? check_preemption_disabled+0x48/0x280
[  716.536418]  irq_exit+0x17f/0x1c0
[  716.539868]  smp_apic_timer_interrupt+0x1cb/0x760
[  716.544708]  ? smp_call_function_single_interrupt+0x159/0x650
[  716.550590]  ? smp_call_function_single_interrupt+0x650/0x650
[  716.556468]  ? interrupt_entry+0xb5/0xc0
[  716.560527]  ? trace_hardirqs_off_caller+0xbb/0x310
[  716.565536]  ? trace_hardirqs_off_caller+0xbb/0x310
[  716.570547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  716.575389]  ? trace_hardirqs_on_caller+0x310/0x310
[  716.580399]  ? trace_hardirqs_on_caller+0x310/0x310
[  716.585407]  ? task_prio+0x50/0x50
[  716.588946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.594479]  ? check_preemption_disabled+0x48/0x280
[  716.599495]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  716.604338]  apic_timer_interrupt+0xf/0x20
[  716.608562]  </IRQ>
[  716.610799] RIP: 0010:smp_call_function_single+0x30a/0x660
[  716.616418] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  716.635315] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  716.643015] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  716.650279] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  716.657550] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  716.664815] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  716.672089] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  716.679366]  ? smp_call_function_single+0x351/0x660
[  716.684388]  ? smp_call_function_single+0x300/0x660
[  716.689407]  ? rcu_note_context_switch+0x12ad/0x2150
[  716.694506]  ? retint_kernel+0x2d/0x2d
[  716.698392]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  716.704284]  ? generic_exec_single+0x5f0/0x5f0
[  716.708865]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  716.714745]  ? zap_class+0x640/0x640
[  716.718460]  ? smp_call_function_single+0x302/0x660
[  716.723471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.729014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.734544]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  716.739552]  ? find_next_and_bit+0x183/0x1e0
[  716.743962]  smp_call_function_many+0x911/0xae0
[  716.748629]  ? __lock_acquire+0x62f/0x4c20
[  716.752860]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  716.758738]  ? _raw_spin_unlock_irq+0x27/0x80
[  716.763230]  ? _raw_spin_unlock_irq+0x27/0x80
[  716.767721]  ? smp_call_function_single_async+0x370/0x370
[  716.773252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.778814]  ? check_preemption_disabled+0x48/0x280
[  716.783837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.789372]  ? check_preemption_disabled+0x48/0x280
[  716.794489]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  716.800368]  on_each_cpu_mask+0x41/0x240
[  716.804434]  ? x86_configure_nx+0x110/0x110
[  716.808748]  on_each_cpu_cond_mask+0x171/0x210
[  716.813327]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  716.819206]  ? on_each_cpu_mask+0x240/0x240
[  716.823535]  native_flush_tlb_others+0x2ea/0x690
[  716.828288]  ? initialize_tlbstate_and_flush+0x380/0x380
[  716.833739]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  716.838748]  ? find_next_bit+0x104/0x130
[  716.842820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  716.848352]  ? find_next_bit+0x104/0x130
[  716.852410]  ? cpumask_next+0x41/0x50
[  716.856212]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  716.861226]  ? cpumask_any_but+0xb1/0xe0
[  716.865286]  flush_tlb_mm_range+0x2fe/0x5d0
[  716.869600]  ? fault_around_bytes_set+0x90/0x90
[  716.874274]  ? native_flush_tlb_others+0x690/0x690
[  716.879202]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  716.884739]  ? alloc_pages_current+0x17b/0x350
[  716.889320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  716.894864]  ? __tlb_remove_page_size+0x187/0x500
[  716.899705]  unmap_page_range+0x1eef/0x2930
[  716.904045]  ? vm_normal_page_pmd+0x510/0x510
[  716.908542]  ? mark_held_locks+0x130/0x130
[  716.912773]  ? finish_task_switch+0x1f4/0x910
[  716.917262]  ? finish_task_switch+0x1b4/0x910
[  716.921753]  ? __switch_to_asm+0x34/0x70
[  716.925819]  ? zap_class+0x640/0x640
[  716.929530]  ? prepare_to_wait_event+0x39f/0xa10
[  716.934277]  ? tlb_table_flush+0xb4/0x5c0
[  716.938427]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  716.943527]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  716.948628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.954167]  ? tlb_flush_mmu_free+0x105/0x170
[  716.958659]  ? tlb_flush_mmu+0x58/0x520
[  716.962634]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  716.967129]  ? kasan_check_write+0x14/0x20
[  716.971366]  ? tlb_finish_mmu+0x166/0x1f0
[  716.975512]  ? tlb_gather_mmu+0x440/0x440
[  716.979672]  ? kasan_check_write+0x14/0x20
[  716.983906]  __oom_reap_task_mm+0xf7/0x410
[  716.988139]  ? process_shares_mm+0x460/0x460
[  716.992572]  oom_reaper+0x2b7/0x11e0
[  716.996287]  ? __oom_reap_task_mm+0x410/0x410
[  717.000775]  ? lock_pin_lock+0x350/0x350
[  717.004832]  ? finish_wait+0x430/0x430
[  717.008721]  ? __schedule+0x168a/0x21d0
[  717.012697]  ? __switch_to_asm+0x40/0x70
[  717.016756]  ? __switch_to_asm+0x40/0x70
[  717.020819]  ? zap_class+0x640/0x640
[  717.024537]  ? __sched_text_start+0x8/0x8
[  717.028684]  ? find_held_lock+0x36/0x1c0
[  717.032750]  ? __kthread_parkme+0xce/0x1a0
[  717.036996]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  717.042093]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  717.047193]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  717.051771]  ? trace_hardirqs_on+0xbd/0x310
[  717.056089]  ? kasan_check_read+0x11/0x20
[  717.060235]  ? __kthread_parkme+0xce/0x1a0
[  717.064464]  ? trace_hardirqs_off_caller+0x310/0x310
[  717.069569]  ? preempt_schedule+0x4d/0x60
[  717.073716]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  717.078814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  717.084345]  ? __kthread_parkme+0xfb/0x1a0
[  717.088578]  ? __oom_reap_task_mm+0x410/0x410
[  717.093071]  kthread+0x35a/0x440
[  717.096436]  ? kthread_stop+0x900/0x900
[  717.100408]  ret_from_fork+0x3a/0x50
[  717.104143] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  717.104148] warn_alloc_show_mem: 1 callbacks suppressed
[  717.104154] Mem-Info:
[  717.111513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  717.116872] active_anon:44214 inactive_anon:199 isolated_anon:0
[  717.116872]  active_file:6 inactive_file:21 isolated_file:0
[  717.116872]  unevictable:0 dirty:0 writeback:0 unstable:0
[  717.116872]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  717.116872]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  717.116872]  free:13686 free_pcp:384 free_cma:0
[  717.119245] Call Trace:
[  717.128619] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  717.161371]  <IRQ>
[  717.163938] 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
[  717.191270]  dump_stack+0x244/0x39d
[  717.193396] lowmem_reserve[]: 0 2818 6321 6321
[  717.220032]  ? dump_stack_print_info.cold.1+0x20/0x20
[  717.223628] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  717.228199]  ? __wake_up+0xe/0x10
[  717.233356] lowmem_reserve[]: 0 0 3503 3503
[  717.260680]  warn_alloc.cold.116+0xb7/0x1bd
[  717.264098] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  717.268414]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  717.272719] lowmem_reserve[]: 0 0 0 0
[  717.301682]  ? lock_downgrade+0x900/0x900
[  717.306494] 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
[  717.310290]  ? trace_hardirqs_off+0xb8/0x310
[  717.314419] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  717.327934]  ? trace_hardirqs_off+0xb8/0x310
[  717.332313] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  717.347480]  __alloc_pages_slowpath+0x2651/0x2de0
[  717.351865] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  717.365479]  ? warn_alloc+0x120/0x120
[  717.370278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  717.379098]  ? warn_alloc+0x120/0x120
[  717.382877] 271 total pagecache pages
[  717.391451]  ? warn_alloc+0x120/0x120
[  717.395230] 0 pages in swap cache
[  717.399013]  ? print_usage_bug+0xc0/0xc0
[  717.402785] Swap cache stats: add 0, delete 0, find 0/0
[  717.406222]  ? print_usage_bug+0xc0/0xc0
[  717.410255] Free swap  = 0kB
[  717.415602]  ? ktime_get+0x2c1/0x400
[  717.419632] Total swap = 0kB
[  717.422638]  ? check_preemption_disabled+0x48/0x280
[  717.426320] 1965979 pages RAM
[  717.429326]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  717.434310] 0 pages HighMem/MovableOnly
[  717.434317] 342854 pages reserved
[  717.437409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  717.441875] 0 pages cma reserved
[  717.445836]  ? should_fail+0x22d/0xd01
[  717.449312] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  717.454784]  ? kasan_check_read+0x11/0x20
[  717.454800]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  717.454816]  ? __lock_acquire+0x62f/0x4c20
[  717.458242] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  717.462050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  717.468532] oom_reaper cpuset=/ mems_allowed=0
[  717.472666]  ? should_fail+0x22d/0xd01
[  717.505693]  ? print_usage_bug+0xc0/0xc0
[  717.509756]  ? mark_held_locks+0x130/0x130
[  717.513996]  ? mark_held_locks+0x130/0x130
[  717.518229]  ? check_preemption_disabled+0x48/0x280
[  717.523252]  ? zap_class+0x640/0x640
[  717.526965]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  717.531720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.537251]  ? check_preemption_disabled+0x48/0x280
[  717.542269]  ? __lock_is_held+0xb5/0x140
[  717.546329]  __alloc_pages_nodemask+0xad8/0xea0
[  717.550991]  ? zap_class+0x640/0x640
[  717.554702]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  717.559720]  ? find_held_lock+0x36/0x1c0
[  717.563785]  ? ____cache_alloc_node+0x1c7/0x1e0
[  717.568450]  ? lock_downgrade+0x900/0x900
[  717.572597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.578135]  cache_grow_begin+0xa5/0x8c0
[  717.582193]  ? do_raw_spin_unlock+0xa7/0x330
[  717.586601]  fallback_alloc+0x204/0x2e0
[  717.590575]  ____cache_alloc_node+0x1c7/0x1e0
[  717.595073]  kmem_cache_alloc_node+0xe3/0x730
[  717.599570]  ? lockdep_hardirqs_on+0x296/0x5b0
[  717.604154]  __alloc_skb+0x119/0x770
[  717.607863]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  717.613226]  ? netdev_alloc_frag+0x1f0/0x1f0
[  717.617637]  ? vprintk_default+0x28/0x30
[  717.621697]  ? vprintk_func+0x85/0x181
[  717.625580]  ? printk+0xa7/0xcf
[  717.628858]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  717.633620]  new_skb+0x26/0x1c0
[  717.636900]  aoecmd_cfg+0x279/0x7f0
[  717.640522]  ? find_held_lock+0x36/0x1c0
[  717.644578]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  717.648918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.654458]  ? __lock_is_held+0xb5/0x140
[  717.658525]  discover_timer+0x50/0x60
[  717.662319]  call_timer_fn+0x272/0x920
[  717.666203]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  717.671038]  ? process_timeout+0x40/0x40
[  717.675108]  ? __run_timers+0x7da/0xc70
[  717.679100]  ? _raw_spin_unlock_irq+0x27/0x80
[  717.683589]  ? _raw_spin_unlock_irq+0x27/0x80
[  717.688085]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  717.692927]  ? lockdep_hardirqs_on+0x296/0x5b0
[  717.697504]  ? trace_hardirqs_on+0xbd/0x310
[  717.701826]  ? kasan_check_read+0x11/0x20
[  717.705969]  ? __run_timers+0x7da/0xc70
[  717.709942]  ? trace_hardirqs_off_caller+0x310/0x310
[  717.715051]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  717.719894]  __run_timers+0x7e5/0xc70
[  717.723700]  ? timer_fixup_init+0x70/0x70
[  717.727849]  ? lock_acquire+0x1ed/0x520
[  717.731819]  ? zap_class+0x640/0x640
[  717.735536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.741083]  ? kasan_check_read+0x11/0x20
[  717.745223]  ? do_raw_spin_lock+0x14f/0x350
[  717.749547]  ? find_held_lock+0x36/0x1c0
[  717.753607]  ? zap_class+0x640/0x640
[  717.757322]  ? pvclock_read_flags+0x160/0x160
[  717.761816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.767350]  ? check_preemption_disabled+0x48/0x280
[  717.772369]  ? __lock_is_held+0xb5/0x140
[  717.776430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.781972]  ? check_preemption_disabled+0x48/0x280
[  717.786985]  run_timer_softirq+0x52/0xb0
[  717.791044]  ? rcu_read_lock_sched_held+0x14f/0x180
[  717.796077]  __do_softirq+0x308/0xb7e
[  717.799876]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  717.804365]  ? lock_downgrade+0x900/0x900
[  717.808512]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  717.813622]  ? pvclock_read_flags+0x160/0x160
[  717.818116]  ? lapic_next_event+0x5a/0x90
[  717.822260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.827795]  ? kvm_clock_read+0x18/0x30
[  717.831767]  ? kvm_sched_clock_read+0x9/0x20
[  717.836172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.841704]  ? check_preemption_disabled+0x48/0x280
[  717.846724]  irq_exit+0x17f/0x1c0
[  717.850173]  smp_apic_timer_interrupt+0x1cb/0x760
[  717.855008]  ? smp_call_function_single_interrupt+0x159/0x650
[  717.860887]  ? smp_call_function_single_interrupt+0x650/0x650
[  717.866772]  ? interrupt_entry+0xb5/0xc0
[  717.870838]  ? trace_hardirqs_off_caller+0xbb/0x310
[  717.875849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  717.880867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  717.885704]  ? trace_hardirqs_on_caller+0x310/0x310
[  717.890715]  ? trace_hardirqs_on_caller+0x310/0x310
[  717.895730]  ? task_prio+0x50/0x50
[  717.899273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.904805]  ? check_preemption_disabled+0x48/0x280
[  717.909833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  717.914690]  apic_timer_interrupt+0xf/0x20
[  717.918913]  </IRQ>
[  717.921150] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  717.926080] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  717.944972] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  717.952782] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  717.960048] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  717.967320] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  717.974582] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  717.981847] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  717.989152]  skb_clone+0x1bb/0x500
[  717.992692]  ? finish_task_switch+0x1b4/0x910
[  717.997747]  ? skb_split+0x11e0/0x11e0
[  718.001655]  ? preempt_notifier_register+0x200/0x200
[  718.006776]  ? __switch_to_asm+0x34/0x70
[  718.010839]  ? __switch_to_asm+0x34/0x70
[  718.014891]  ? __switch_to_asm+0x40/0x70
[  718.018946]  ? __switch_to_asm+0x34/0x70
[  718.023002]  ? __switch_to_asm+0x40/0x70
[  718.027065]  ? __switch_to_asm+0x34/0x70
[  718.031132]  ? __switch_to_asm+0x40/0x70
[  718.035187]  ? __switch_to_asm+0x34/0x70
[  718.039240]  ? __switch_to_asm+0x34/0x70
[  718.043297]  ? __switch_to_asm+0x40/0x70
[  718.047354]  ? __switch_to_asm+0x34/0x70
[  718.051708]  bpf_clone_redirect+0xb9/0x490
[  718.055945]  ? __schedule+0x8d7/0x21d0
[  718.059839]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  718.064853]  ? __sched_text_start+0x8/0x8
[  718.069000]  ? retint_kernel+0x2d/0x2d
[  718.072892]  ? find_held_lock+0x36/0x1c0
[  718.076966]  ? lock_acquire+0x1ed/0x520
[  718.080937]  ? bpf_test_run+0x3ee/0x7a0
[  718.084912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.090450]  ? check_preemption_disabled+0x48/0x280
[  718.095471]  ? kasan_check_read+0x11/0x20
[  718.099612]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  718.104883]  ? rcu_softirq_qs+0x20/0x20
[  718.108854]  ? preempt_schedule+0x4d/0x60
[  718.113001]  ? ___preempt_schedule+0x16/0x18
[  718.117412]  ? bpf_test_run+0x271/0x7a0
[  718.121394]  ? netlink_diag_dump+0x2a0/0x2a0
[  718.125804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  718.132047]  ? bpf_test_init.isra.10+0x70/0x100
[  718.136715]  ? bpf_prog_test_run_skb+0x762/0xd60
[  718.141475]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  718.146318]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  718.151852]  ? fput+0x130/0x1a0
[  718.155130]  ? __bpf_prog_get+0x9b/0x290
[  718.159190]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  718.164053]  ? bpf_prog_test_run+0x130/0x1a0
[  718.168462]  ? __x64_sys_bpf+0x3d8/0x520
[  718.172518]  ? bpf_prog_get+0x20/0x20
[  718.176335]  ? do_syscall_64+0x1b9/0x820
[  718.180393]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  718.185756]  ? syscall_return_slowpath+0x5e0/0x5e0
[  718.190679]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  718.195532]  ? trace_hardirqs_on_caller+0x310/0x310
[  718.200548]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  718.205575]  ? prepare_exit_to_usermode+0x291/0x3b0
[  718.210591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  718.215536]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  718.220915] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  718.220971] aoe: skb alloc failure
[  718.227925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  718.227930] Call Trace:
[  718.227936]  <IRQ>
[  718.227952]  dump_stack+0x244/0x39d
[  718.227970]  ? dump_stack_print_info.cold.1+0x20/0x20
[  718.231513] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  718.240825]  ? __wake_up+0xe/0x10
[  718.243384] syz-executor0 cpuset=syz0 mems_allowed=0
[  718.245527]  warn_alloc.cold.116+0xb7/0x1bd
[  718.278093]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  718.282935]  ? lock_downgrade+0x900/0x900
[  718.287086]  ? trace_hardirqs_off+0xb8/0x310
[  718.291497]  ? trace_hardirqs_off+0xb8/0x310
[  718.295909]  __alloc_pages_slowpath+0x2651/0x2de0
[  718.300769]  ? warn_alloc+0x120/0x120
[  718.304565]  ? print_usage_bug+0xc0/0xc0
[  718.308622]  ? warn_alloc+0x120/0x120
[  718.312419]  ? warn_alloc+0x120/0x120
[  718.316238]  ? print_usage_bug+0xc0/0xc0
[  718.320300]  ? print_usage_bug+0xc0/0xc0
[  718.324359]  ? __lock_acquire+0x62f/0x4c20
[  718.328597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  718.334127]  ? should_fail+0x22d/0xd01
[  718.338014]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  718.343117]  ? __lock_acquire+0x62f/0x4c20
[  718.347350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  718.352452]  ? __lock_acquire+0x62f/0x4c20
[  718.356679]  ? should_fail+0x22d/0xd01
[  718.360575]  ? mark_held_locks+0x130/0x130
[  718.364812]  ? mark_held_locks+0x130/0x130
[  718.369049]  ? zap_class+0x640/0x640
[  718.372763]  ? zap_class+0x640/0x640
[  718.376470]  ? print_usage_bug+0xc0/0xc0
[  718.380525]  ? wq_watchdog_touch+0x9c/0xfe
[  718.384757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.390297]  ? check_preemption_disabled+0x48/0x280
[  718.395320]  ? __lock_is_held+0xb5/0x140
[  718.399383]  __alloc_pages_nodemask+0xad8/0xea0
[  718.404059]  ? zap_class+0x640/0x640
[  718.407773]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  718.412795]  ? find_held_lock+0x36/0x1c0
[  718.416863]  ? ____cache_alloc_node+0x1c7/0x1e0
[  718.421528]  ? lock_downgrade+0x900/0x900
[  718.425682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.431217]  cache_grow_begin+0xa5/0x8c0
[  718.435275]  ? do_raw_spin_unlock+0xa7/0x330
[  718.439688]  fallback_alloc+0x204/0x2e0
[  718.443662]  ____cache_alloc_node+0x1c7/0x1e0
[  718.448156]  kmem_cache_alloc_node+0xe3/0x730
[  718.452646]  ? ipv6_get_ifaddr+0x42e/0x620
[  718.456885]  __alloc_skb+0x119/0x770
[  718.460592]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  718.465866]  ? netdev_alloc_frag+0x1f0/0x1f0
[  718.470274]  ? lock_downgrade+0x900/0x900
[  718.474425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.479959]  ? refcount_sub_and_test_checked+0x203/0x310
[  718.485407]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  718.490856]  ? addrconf_rs_timer+0x690/0x690
[  718.495279]  ndisc_alloc_skb+0x144/0x340
[  718.499340]  ndisc_send_rs+0x331/0x6e0
[  718.503225]  addrconf_rs_timer+0x314/0x690
[  718.507458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.511696]  call_timer_fn+0x272/0x920
[  718.515581]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.519814]  ? process_timeout+0x40/0x40
[  718.523892]  ? mark_held_locks+0xc7/0x130
[  718.528058]  ? _raw_spin_unlock_irq+0x27/0x80
[  718.532722]  ? _raw_spin_unlock_irq+0x27/0x80
[  718.537211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.541441]  ? lockdep_hardirqs_on+0x296/0x5b0
[  718.546024]  ? trace_hardirqs_on+0xbd/0x310
[  718.550343]  ? kasan_check_read+0x11/0x20
[  718.554488]  ? __run_timers+0x7da/0xc70
[  718.558469]  ? trace_hardirqs_off_caller+0x310/0x310
[  718.563579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.567811]  __run_timers+0x7e5/0xc70
[  718.571614]  ? timer_fixup_init+0x70/0x70
[  718.575762]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  718.580773]  ? zap_class+0x640/0x640
[  718.584488]  ? print_usage_bug+0xc0/0xc0
[  718.588546]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  718.593734]  ? find_held_lock+0x36/0x1c0
[  718.597798]  ? zap_class+0x640/0x640
[  718.601511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.607044]  ? check_preemption_disabled+0x48/0x280
[  718.612067]  ? __lock_is_held+0xb5/0x140
[  718.616124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.621657]  ? check_preemption_disabled+0x48/0x280
[  718.626672]  run_timer_softirq+0x52/0xb0
[  718.630729]  ? rcu_read_lock_sched_held+0x14f/0x180
[  718.635743]  __do_softirq+0x308/0xb7e
[  718.639540]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  718.644028]  ? lock_downgrade+0x900/0x900
[  718.648175]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  718.653280]  ? pvclock_read_flags+0x160/0x160
[  718.657775]  ? lapic_next_event+0x5a/0x90
[  718.661921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.667461]  ? kvm_clock_read+0x18/0x30
[  718.671435]  ? kvm_sched_clock_read+0x9/0x20
[  718.675839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.681372]  ? check_preemption_disabled+0x48/0x280
[  718.686390]  irq_exit+0x17f/0x1c0
[  718.689841]  smp_apic_timer_interrupt+0x1cb/0x760
[  718.694682]  ? smp_call_function_single_interrupt+0x159/0x650
[  718.700560]  ? smp_call_function_single_interrupt+0x650/0x650
[  718.706442]  ? interrupt_entry+0xb5/0xc0
[  718.710501]  ? trace_hardirqs_off_caller+0xbb/0x310
[  718.715510]  ? trace_hardirqs_off_caller+0xbb/0x310
[  718.720520]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  718.725362]  ? trace_hardirqs_on_caller+0x310/0x310
[  718.730372]  ? trace_hardirqs_on_caller+0x310/0x310
[  718.735385]  ? task_prio+0x50/0x50
[  718.738922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.744455]  ? check_preemption_disabled+0x48/0x280
[  718.749470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  718.754314]  apic_timer_interrupt+0xf/0x20
[  718.758537]  </IRQ>
[  718.760776] RIP: 0010:smp_call_function_single+0x30a/0x660
[  718.766400] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  718.785295] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  718.793002] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  718.800266] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  718.807528] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  718.814801] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  718.822088] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  718.829372]  ? smp_call_function_single+0x351/0x660
[  718.834385]  ? smp_call_function_single+0x300/0x660
[  718.839412]  ? rcu_note_context_switch+0x12ad/0x2150
[  718.844509]  ? retint_kernel+0x2d/0x2d
[  718.848390]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  718.854273]  ? generic_exec_single+0x5f0/0x5f0
[  718.858850]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  718.864731]  ? zap_class+0x640/0x640
[  718.868454]  ? smp_call_function_single+0x302/0x660
[  718.873464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.879003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.884533]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  718.889544]  ? find_next_and_bit+0x183/0x1e0
[  718.893977]  smp_call_function_many+0x911/0xae0
[  718.898645]  ? __lock_acquire+0x62f/0x4c20
[  718.902876]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  718.908757]  ? _raw_spin_unlock_irq+0x27/0x80
[  718.913248]  ? _raw_spin_unlock_irq+0x27/0x80
[  718.917741]  ? smp_call_function_single_async+0x370/0x370
[  718.923276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.928810]  ? check_preemption_disabled+0x48/0x280
[  718.933840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.939462]  ? check_preemption_disabled+0x48/0x280
[  718.944476]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  718.950354]  on_each_cpu_mask+0x41/0x240
[  718.954413]  ? x86_configure_nx+0x110/0x110
[  718.958729]  on_each_cpu_cond_mask+0x171/0x210
[  718.963309]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  718.969289]  ? on_each_cpu_mask+0x240/0x240
[  718.973619]  native_flush_tlb_others+0x2ea/0x690
[  718.978371]  ? initialize_tlbstate_and_flush+0x380/0x380
[  718.983822]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  718.988830]  ? find_next_bit+0x104/0x130
[  718.992889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  718.998418]  ? find_next_bit+0x104/0x130
[  719.002475]  ? cpumask_next+0x41/0x50
[  719.006271]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  719.011280]  ? cpumask_any_but+0xb1/0xe0
[  719.015340]  flush_tlb_mm_range+0x2fe/0x5d0
[  719.019658]  ? fault_around_bytes_set+0x90/0x90
[  719.024332]  ? native_flush_tlb_others+0x690/0x690
[  719.029258]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  719.034809]  ? alloc_pages_current+0x17b/0x350
[  719.039397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  719.044931]  ? __tlb_remove_page_size+0x187/0x500
[  719.049998]  unmap_page_range+0x1eef/0x2930
[  719.054339]  ? vm_normal_page_pmd+0x510/0x510
[  719.058835]  ? mark_held_locks+0x130/0x130
[  719.063089]  ? finish_task_switch+0x1f4/0x910
[  719.067602]  ? finish_task_switch+0x1b4/0x910
[  719.072097]  ? __switch_to_asm+0x34/0x70
[  719.076180]  ? zap_class+0x640/0x640
[  719.079918]  ? prepare_to_wait_event+0x39f/0xa10
[  719.084681]  ? tlb_table_flush+0xb4/0x5c0
[  719.088822]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  719.093925]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  719.099031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.104576]  ? tlb_flush_mmu_free+0x105/0x170
[  719.109072]  ? tlb_flush_mmu+0x58/0x520
[  719.113052]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  719.117551]  ? kasan_check_write+0x14/0x20
[  719.121783]  ? tlb_finish_mmu+0x166/0x1f0
[  719.125939]  ? tlb_gather_mmu+0x440/0x440
[  719.130094]  ? kasan_check_write+0x14/0x20
[  719.134327]  __oom_reap_task_mm+0xf7/0x410
[  719.138559]  ? process_shares_mm+0x460/0x460
[  719.142986]  oom_reaper+0x2b7/0x11e0
[  719.146701]  ? __oom_reap_task_mm+0x410/0x410
[  719.151188]  ? lock_pin_lock+0x350/0x350
[  719.155245]  ? finish_wait+0x430/0x430
[  719.159136]  ? __schedule+0x168a/0x21d0
[  719.163105]  ? __switch_to_asm+0x40/0x70
[  719.167162]  ? __switch_to_asm+0x40/0x70
[  719.171227]  ? zap_class+0x640/0x640
[  719.174939]  ? __sched_text_start+0x8/0x8
[  719.179095]  ? find_held_lock+0x36/0x1c0
[  719.183161]  ? __kthread_parkme+0xce/0x1a0
[  719.187390]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  719.192486]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  719.197584]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  719.202165]  ? trace_hardirqs_on+0xbd/0x310
[  719.206480]  ? kasan_check_read+0x11/0x20
[  719.210633]  ? __kthread_parkme+0xce/0x1a0
[  719.214864]  ? trace_hardirqs_off_caller+0x310/0x310
[  719.220312]  ? preempt_schedule+0x4d/0x60
[  719.224464]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  719.229563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  719.235098]  ? __kthread_parkme+0xfb/0x1a0
[  719.239348]  ? __oom_reap_task_mm+0x410/0x410
[  719.243840]  kthread+0x35a/0x440
[  719.247217]  ? kthread_stop+0x900/0x900
[  719.251210]  ret_from_fork+0x3a/0x50
[  719.254931] warn_alloc_show_mem: 1 callbacks suppressed
[  719.254948] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  719.254950] Mem-Info:
[  719.254981] active_anon:44214 inactive_anon:199 isolated_anon:0
[  719.254981]  active_file:6 inactive_file:21 isolated_file:0
[  719.254981]  unevictable:0 dirty:0 writeback:0 unstable:0
[  719.254981]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  719.254981]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  719.254981]  free:13686 free_pcp:384 free_cma:0
[  719.260312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  719.267676] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  719.270058] Call Trace:
[  719.302829] 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
[  719.312171]  <IRQ>
[  719.339473] lowmem_reserve[]: 0 2818 6321 6321
[  719.342053]  dump_stack+0x244/0x39d
[  719.368129] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  719.370275]  ? dump_stack_print_info.cold.1+0x20/0x20
[  719.374827] lowmem_reserve[]: 0 0 3503 3503
[  719.378443]  ? __wake_up+0xe/0x10
[  719.405734] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  719.410917]  warn_alloc.cold.116+0xb7/0x1bd
[  719.415205] lowmem_reserve[]: 0 0 0 0
[  719.418653]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  719.447596] 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
[  719.451907]  ? lock_downgrade+0x900/0x900
[  719.455678] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  719.460531]  ? trace_hardirqs_off+0xb8/0x310
[  719.474022] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  719.478161]  ? trace_hardirqs_off+0xb8/0x310
[  719.493309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  719.497709]  __alloc_pages_slowpath+0x2651/0x2de0
[  719.511291] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  719.515709]  ? warn_alloc+0x120/0x120
[  719.524490] 271 total pagecache pages
[  719.529321]  ? warn_alloc+0x120/0x120
[  719.537875] 0 pages in swap cache
[  719.541660]  ? __lock_acquire+0x62f/0x4c20
[  719.545436] Swap cache stats: add 0, delete 0, find 0/0
[  719.549221]  ? warn_alloc+0x120/0x120
[  719.552655] Free swap  = 0kB
[  719.552662] Total swap = 0kB
[  719.556892]  ? print_usage_bug+0xc0/0xc0
[  719.562224] 1965979 pages RAM
[  719.566012]  ? print_usage_bug+0xc0/0xc0
[  719.568999] 0 pages HighMem/MovableOnly
[  719.569006] 342854 pages reserved
[  719.572014]  ? mark_held_locks+0x130/0x130
[  719.576047] 0 pages cma reserved
[  719.579143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  719.583228] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  719.587141]  ? should_fail+0x22d/0xd01
[  719.590619] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  719.594781]  ? zap_class+0x640/0x640
[  719.594798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  719.598140] oom_reaper cpuset=/ mems_allowed=0
[  719.603670]  ? __lock_acquire+0x62f/0x4c20
[  719.641909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  719.647019]  ? should_fail+0x22d/0xd01
[  719.650916]  ? mark_held_locks+0x130/0x130
[  719.655152]  ? mark_held_locks+0x130/0x130
[  719.659386]  ? lock_downgrade+0x900/0x900
[  719.663528]  ? zap_class+0x640/0x640
[  719.667237]  ? zap_class+0x640/0x640
[  719.670946]  ? zap_class+0x640/0x640
[  719.674652]  ? do_raw_spin_unlock+0xa7/0x330
[  719.679061]  ? trace_hardirqs_on+0x310/0x310
[  719.683475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.689013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.694549]  ? check_preemption_disabled+0x48/0x280
[  719.699567]  ? __lock_is_held+0xb5/0x140
[  719.703627]  __alloc_pages_nodemask+0xad8/0xea0
[  719.708294]  ? zap_class+0x640/0x640
[  719.712007]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  719.717030]  ? find_held_lock+0x36/0x1c0
[  719.721094]  ? ____cache_alloc_node+0x1c7/0x1e0
[  719.725773]  ? lock_downgrade+0x900/0x900
[  719.729929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.735466]  cache_grow_begin+0xa5/0x8c0
[  719.739524]  ? do_raw_spin_unlock+0xa7/0x330
[  719.743938]  fallback_alloc+0x204/0x2e0
[  719.747920]  ____cache_alloc_node+0x1c7/0x1e0
[  719.752414]  kmem_cache_alloc_node+0xe3/0x730
[  719.756914]  ? lockdep_hardirqs_on+0x296/0x5b0
[  719.761500]  __alloc_skb+0x119/0x770
[  719.765207]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  719.770569]  ? netdev_alloc_frag+0x1f0/0x1f0
[  719.774995]  ? vprintk_default+0x28/0x30
[  719.779052]  ? vprintk_func+0x85/0x181
[  719.782939]  ? printk+0xa7/0xcf
[  719.786217]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  719.790979]  new_skb+0x26/0x1c0
[  719.794253]  aoecmd_cfg+0x279/0x7f0
[  719.797875]  ? find_held_lock+0x36/0x1c0
[  719.801947]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  719.806268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.811809]  ? __lock_is_held+0xb5/0x140
[  719.815879]  discover_timer+0x50/0x60
[  719.819680]  call_timer_fn+0x272/0x920
[  719.823571]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  719.828406]  ? process_timeout+0x40/0x40
[  719.832466]  ? __run_timers+0x7da/0xc70
[  719.836436]  ? _raw_spin_unlock_irq+0x27/0x80
[  719.840924]  ? _raw_spin_unlock_irq+0x27/0x80
[  719.845426]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  719.850263]  ? lockdep_hardirqs_on+0x296/0x5b0
[  719.854842]  ? trace_hardirqs_on+0xbd/0x310
[  719.859157]  ? kasan_check_read+0x11/0x20
[  719.863301]  ? __run_timers+0x7da/0xc70
[  719.867270]  ? trace_hardirqs_off_caller+0x310/0x310
[  719.872377]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  719.877211]  __run_timers+0x7e5/0xc70
[  719.881015]  ? timer_fixup_init+0x70/0x70
[  719.885159]  ? lock_acquire+0x1ed/0x520
[  719.889144]  ? zap_class+0x640/0x640
[  719.892854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.898396]  ? kasan_check_read+0x11/0x20
[  719.902535]  ? do_raw_spin_lock+0x14f/0x350
[  719.906867]  ? find_held_lock+0x36/0x1c0
[  719.910933]  ? zap_class+0x640/0x640
[  719.914649]  ? pvclock_read_flags+0x160/0x160
[  719.919145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.924681]  ? check_preemption_disabled+0x48/0x280
[  719.929700]  ? __lock_is_held+0xb5/0x140
[  719.933755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.939286]  ? check_preemption_disabled+0x48/0x280
[  719.944301]  run_timer_softirq+0x52/0xb0
[  719.948356]  ? rcu_read_lock_sched_held+0x14f/0x180
[  719.953371]  __do_softirq+0x308/0xb7e
[  719.957172]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  719.961663]  ? lock_downgrade+0x900/0x900
[  719.965809]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  719.970920]  ? pvclock_read_flags+0x160/0x160
[  719.975410]  ? lapic_next_event+0x5a/0x90
[  719.979554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.985093]  ? kvm_clock_read+0x18/0x30
[  719.989060]  ? kvm_sched_clock_read+0x9/0x20
[  719.993464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.999012]  ? check_preemption_disabled+0x48/0x280
[  720.004029]  irq_exit+0x17f/0x1c0
[  720.007479]  smp_apic_timer_interrupt+0x1cb/0x760
[  720.012319]  ? smp_call_function_single_interrupt+0x159/0x650
[  720.018200]  ? smp_call_function_single_interrupt+0x650/0x650
[  720.024078]  ? interrupt_entry+0xb5/0xc0
[  720.028138]  ? trace_hardirqs_off_caller+0xbb/0x310
[  720.033151]  ? trace_hardirqs_off_caller+0xbb/0x310
[  720.038163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.043000]  ? trace_hardirqs_on_caller+0x310/0x310
[  720.048011]  ? trace_hardirqs_on_caller+0x310/0x310
[  720.053410]  ? task_prio+0x50/0x50
[  720.056956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.062488]  ? check_preemption_disabled+0x48/0x280
[  720.067595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.072445]  apic_timer_interrupt+0xf/0x20
[  720.076671]  </IRQ>
[  720.078905] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  720.083829] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  720.102728] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  720.110428] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  720.117691] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  720.124969] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  720.132241] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  720.139502] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  720.146800]  skb_clone+0x1bb/0x500
[  720.150337]  ? finish_task_switch+0x1b4/0x910
[  720.154827]  ? skb_split+0x11e0/0x11e0
[  720.158719]  ? preempt_notifier_register+0x200/0x200
[  720.163816]  ? __switch_to_asm+0x34/0x70
[  720.167874]  ? __switch_to_asm+0x34/0x70
[  720.171926]  ? __switch_to_asm+0x40/0x70
[  720.175982]  ? __switch_to_asm+0x34/0x70
[  720.180035]  ? __switch_to_asm+0x40/0x70
[  720.184091]  ? __switch_to_asm+0x34/0x70
[  720.188143]  ? __switch_to_asm+0x40/0x70
[  720.192196]  ? __switch_to_asm+0x34/0x70
[  720.196250]  ? __switch_to_asm+0x34/0x70
[  720.200303]  ? __switch_to_asm+0x40/0x70
[  720.204355]  ? __switch_to_asm+0x34/0x70
[  720.208417]  bpf_clone_redirect+0xb9/0x490
[  720.212648]  ? __schedule+0x8d7/0x21d0
[  720.216534]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  720.222010]  ? __sched_text_start+0x8/0x8
[  720.226178]  ? retint_kernel+0x2d/0x2d
[  720.230069]  ? find_held_lock+0x36/0x1c0
[  720.234135]  ? lock_acquire+0x1ed/0x520
[  720.238103]  ? bpf_test_run+0x3ee/0x7a0
[  720.242071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.247725]  ? check_preemption_disabled+0x48/0x280
[  720.252743]  ? kasan_check_read+0x11/0x20
[  720.256889]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  720.262159]  ? rcu_softirq_qs+0x20/0x20
[  720.266126]  ? preempt_schedule+0x4d/0x60
[  720.270271]  ? ___preempt_schedule+0x16/0x18
[  720.274679]  ? bpf_test_run+0x271/0x7a0
[  720.278657]  ? netlink_diag_dump+0x2a0/0x2a0
[  720.283063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  720.288593]  ? bpf_test_init.isra.10+0x70/0x100
[  720.293265]  ? bpf_prog_test_run_skb+0x762/0xd60
[  720.298030]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  720.302881]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  720.308415]  ? fput+0x130/0x1a0
[  720.311691]  ? __bpf_prog_get+0x9b/0x290
[  720.315751]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  720.320589]  ? bpf_prog_test_run+0x130/0x1a0
[  720.324998]  ? __x64_sys_bpf+0x3d8/0x520
[  720.329053]  ? bpf_prog_get+0x20/0x20
[  720.332872]  ? do_syscall_64+0x1b9/0x820
[  720.336929]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  720.342289]  ? syscall_return_slowpath+0x5e0/0x5e0
[  720.347214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.352052]  ? trace_hardirqs_on_caller+0x310/0x310
[  720.357066]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  720.362078]  ? prepare_exit_to_usermode+0x291/0x3b0
[  720.367094]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.371947]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  720.377323] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  720.377374] aoe: skb alloc failure
[  720.384338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  720.384344] Call Trace:
[  720.384349]  <IRQ>
[  720.384365]  dump_stack+0x244/0x39d
[  720.384384]  ? dump_stack_print_info.cold.1+0x20/0x20
[  720.387927] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  720.397278]  ? __wake_up+0xe/0x10
[  720.399807] syz-executor0 cpuset=syz0 mems_allowed=0
[  720.401951]  warn_alloc.cold.116+0xb7/0x1bd
[  720.434077]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  720.438920]  ? lock_downgrade+0x900/0x900
[  720.443072]  ? trace_hardirqs_off+0xb8/0x310
[  720.447484]  ? trace_hardirqs_off+0xb8/0x310
[  720.451895]  __alloc_pages_slowpath+0x2651/0x2de0
[  720.456762]  ? warn_alloc+0x120/0x120
[  720.460560]  ? print_usage_bug+0xc0/0xc0
[  720.464635]  ? warn_alloc+0x120/0x120
[  720.468435]  ? warn_alloc+0x120/0x120
[  720.472334]  ? print_usage_bug+0xc0/0xc0
[  720.476393]  ? print_usage_bug+0xc0/0xc0
[  720.480454]  ? __lock_acquire+0x62f/0x4c20
[  720.484691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  720.490225]  ? should_fail+0x22d/0xd01
[  720.494212]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  720.499313]  ? __lock_acquire+0x62f/0x4c20
[  720.503553]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  720.508655]  ? __lock_acquire+0x62f/0x4c20
[  720.512883]  ? should_fail+0x22d/0xd01
[  720.516762]  ? find_held_lock+0x36/0x1c0
[  720.520831]  ? mark_held_locks+0x130/0x130
[  720.525085]  ? mark_held_locks+0x130/0x130
[  720.529314]  ? zap_class+0x640/0x640
[  720.533024]  ? zap_class+0x640/0x640
[  720.536735]  ? print_usage_bug+0xc0/0xc0
[  720.540789]  ? do_raw_spin_unlock+0xa7/0x330
[  720.545199]  ? zap_class+0x640/0x640
[  720.548908]  ? print_usage_bug+0xc0/0xc0
[  720.552962]  ? wq_watchdog_touch+0x9c/0xfe
[  720.557227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.562767]  ? check_preemption_disabled+0x48/0x280
[  720.567785]  ? __lock_is_held+0xb5/0x140
[  720.571855]  __alloc_pages_nodemask+0xad8/0xea0
[  720.576519]  ? zap_class+0x640/0x640
[  720.580253]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  720.585295]  ? find_held_lock+0x36/0x1c0
[  720.589374]  ? ____cache_alloc_node+0x1c7/0x1e0
[  720.594042]  ? lock_downgrade+0x900/0x900
[  720.598212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.603755]  cache_grow_begin+0xa5/0x8c0
[  720.607810]  ? do_raw_spin_unlock+0xa7/0x330
[  720.612230]  fallback_alloc+0x204/0x2e0
[  720.616202]  ____cache_alloc_node+0x1c7/0x1e0
[  720.620696]  kmem_cache_alloc_node+0xe3/0x730
[  720.625192]  ? ipv6_get_ifaddr+0x42e/0x620
[  720.629433]  __alloc_skb+0x119/0x770
[  720.633140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  720.638415]  ? netdev_alloc_frag+0x1f0/0x1f0
[  720.642823]  ? lock_downgrade+0x900/0x900
[  720.646973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.652506]  ? refcount_sub_and_test_checked+0x203/0x310
[  720.657969]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  720.663414]  ? addrconf_rs_timer+0x690/0x690
[  720.667833]  ndisc_alloc_skb+0x144/0x340
[  720.671893]  ndisc_send_rs+0x331/0x6e0
[  720.675781]  addrconf_rs_timer+0x314/0x690
[  720.680029]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  720.684265]  call_timer_fn+0x272/0x920
[  720.688149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  720.692378]  ? process_timeout+0x40/0x40
[  720.696442]  ? mark_held_locks+0xc7/0x130
[  720.700584]  ? _raw_spin_unlock_irq+0x27/0x80
[  720.705079]  ? _raw_spin_unlock_irq+0x27/0x80
[  720.709566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  720.713817]  ? lockdep_hardirqs_on+0x296/0x5b0
[  720.718398]  ? trace_hardirqs_on+0xbd/0x310
[  720.722740]  ? kasan_check_read+0x11/0x20
[  720.726903]  ? __run_timers+0x7da/0xc70
[  720.730903]  ? trace_hardirqs_off_caller+0x310/0x310
[  720.736027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  720.740271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  720.744498]  __run_timers+0x7e5/0xc70
[  720.748330]  ? timer_fixup_init+0x70/0x70
[  720.752499]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  720.757531]  ? zap_class+0x640/0x640
[  720.761248]  ? print_usage_bug+0xc0/0xc0
[  720.765337]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  720.770545]  ? find_held_lock+0x36/0x1c0
[  720.774605]  ? zap_class+0x640/0x640
[  720.778321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.783854]  ? check_preemption_disabled+0x48/0x280
[  720.788879]  ? __lock_is_held+0xb5/0x140
[  720.792935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.798468]  ? check_preemption_disabled+0x48/0x280
[  720.803481]  run_timer_softirq+0x52/0xb0
[  720.807535]  ? rcu_read_lock_sched_held+0x14f/0x180
[  720.812552]  __do_softirq+0x308/0xb7e
[  720.816353]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  720.820840]  ? lock_downgrade+0x900/0x900
[  720.824991]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  720.830099]  ? pvclock_read_flags+0x160/0x160
[  720.834592]  ? lapic_next_event+0x5a/0x90
[  720.838738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.844276]  ? kvm_clock_read+0x18/0x30
[  720.848248]  ? kvm_sched_clock_read+0x9/0x20
[  720.852654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.858185]  ? check_preemption_disabled+0x48/0x280
[  720.863204]  irq_exit+0x17f/0x1c0
[  720.866652]  smp_apic_timer_interrupt+0x1cb/0x760
[  720.871490]  ? smp_call_function_single_interrupt+0x159/0x650
[  720.877370]  ? smp_call_function_single_interrupt+0x650/0x650
[  720.883262]  ? interrupt_entry+0xb5/0xc0
[  720.887320]  ? trace_hardirqs_off_caller+0xbb/0x310
[  720.892329]  ? trace_hardirqs_off_caller+0xbb/0x310
[  720.897342]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.902181]  ? trace_hardirqs_on_caller+0x310/0x310
[  720.907192]  ? trace_hardirqs_on_caller+0x310/0x310
[  720.912201]  ? task_prio+0x50/0x50
[  720.915735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.921266]  ? check_preemption_disabled+0x48/0x280
[  720.926280]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.931121]  apic_timer_interrupt+0xf/0x20
[  720.935346]  </IRQ>
[  720.937583] RIP: 0010:smp_call_function_single+0x30a/0x660
[  720.943201] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  720.962094] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  720.969806] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  720.977067] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  720.984332] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  720.991613] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  720.998880] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  721.006153]  ? smp_call_function_single+0x351/0x660
[  721.011166]  ? smp_call_function_single+0x300/0x660
[  721.016180]  ? rcu_note_context_switch+0x12ad/0x2150
[  721.021276]  ? retint_kernel+0x2d/0x2d
[  721.025168]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  721.031054]  ? generic_exec_single+0x5f0/0x5f0
[  721.035633]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  721.041512]  ? zap_class+0x640/0x640
[  721.045232]  ? smp_call_function_single+0x302/0x660
[  721.050242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.055785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.061316]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  721.066328]  ? find_next_and_bit+0x183/0x1e0
[  721.070736]  smp_call_function_many+0x911/0xae0
[  721.075401]  ? __lock_acquire+0x62f/0x4c20
[  721.079631]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  721.085524]  ? _raw_spin_unlock_irq+0x27/0x80
[  721.090011]  ? _raw_spin_unlock_irq+0x27/0x80
[  721.094520]  ? smp_call_function_single_async+0x370/0x370
[  721.100065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.105597]  ? check_preemption_disabled+0x48/0x280
[  721.110615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.116146]  ? check_preemption_disabled+0x48/0x280
[  721.121160]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  721.127044]  on_each_cpu_mask+0x41/0x240
[  721.131105]  ? x86_configure_nx+0x110/0x110
[  721.135422]  on_each_cpu_cond_mask+0x171/0x210
[  721.140004]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  721.145886]  ? on_each_cpu_mask+0x240/0x240
[  721.150211]  native_flush_tlb_others+0x2ea/0x690
[  721.154967]  ? initialize_tlbstate_and_flush+0x380/0x380
[  721.160433]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  721.165447]  ? find_next_bit+0x104/0x130
[  721.169510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  721.175045]  ? find_next_bit+0x104/0x130
[  721.179106]  ? cpumask_next+0x41/0x50
[  721.182903]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  721.187919]  ? cpumask_any_but+0xb1/0xe0
[  721.191981]  flush_tlb_mm_range+0x2fe/0x5d0
[  721.196300]  ? fault_around_bytes_set+0x90/0x90
[  721.200970]  ? native_flush_tlb_others+0x690/0x690
[  721.205912]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  721.211450]  ? alloc_pages_current+0x17b/0x350
[  721.216036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  721.221920]  ? __tlb_remove_page_size+0x187/0x500
[  721.226775]  unmap_page_range+0x1eef/0x2930
[  721.231116]  ? vm_normal_page_pmd+0x510/0x510
[  721.235618]  ? mark_held_locks+0x130/0x130
[  721.239848]  ? finish_task_switch+0x1f4/0x910
[  721.244337]  ? finish_task_switch+0x1b4/0x910
[  721.248829]  ? __switch_to_asm+0x34/0x70
[  721.252898]  ? zap_class+0x640/0x640
[  721.256607]  ? prepare_to_wait_event+0x39f/0xa10
[  721.261362]  ? tlb_table_flush+0xb4/0x5c0
[  721.265504]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  721.270631]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  721.275742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.281380]  ? tlb_flush_mmu_free+0x105/0x170
[  721.285875]  ? tlb_flush_mmu+0x58/0x520
[  721.289853]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  721.294346]  ? kasan_check_write+0x14/0x20
[  721.298572]  ? tlb_finish_mmu+0x166/0x1f0
[  721.302722]  ? tlb_gather_mmu+0x440/0x440
[  721.306875]  ? kasan_check_write+0x14/0x20
[  721.311108]  __oom_reap_task_mm+0xf7/0x410
[  721.315354]  ? process_shares_mm+0x460/0x460
[  721.319783]  oom_reaper+0x2b7/0x11e0
[  721.323502]  ? __oom_reap_task_mm+0x410/0x410
[  721.327990]  ? lock_pin_lock+0x350/0x350
[  721.332053]  ? finish_wait+0x430/0x430
[  721.335945]  ? __schedule+0x168a/0x21d0
[  721.339911]  ? __switch_to_asm+0x40/0x70
[  721.343964]  ? __switch_to_asm+0x40/0x70
[  721.348027]  ? zap_class+0x640/0x640
[  721.351739]  ? __sched_text_start+0x8/0x8
[  721.355897]  ? find_held_lock+0x36/0x1c0
[  721.359959]  ? __kthread_parkme+0xce/0x1a0
[  721.364188]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  721.369283]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  721.374396]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  721.378974]  ? trace_hardirqs_on+0xbd/0x310
[  721.383296]  ? kasan_check_read+0x11/0x20
[  721.387439]  ? __kthread_parkme+0xce/0x1a0
[  721.391673]  ? trace_hardirqs_off_caller+0x310/0x310
[  721.396779]  ? preempt_schedule+0x4d/0x60
[  721.400930]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  721.406028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  721.411558]  ? __kthread_parkme+0xfb/0x1a0
[  721.415795]  ? __oom_reap_task_mm+0x410/0x410
[  721.420286]  kthread+0x35a/0x440
[  721.423649]  ? kthread_stop+0x900/0x900
[  721.427618]  ret_from_fork+0x3a/0x50
[  721.431341] warn_alloc_show_mem: 1 callbacks suppressed
[  721.431350] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  721.431352] Mem-Info:
[  721.431382] active_anon:44214 inactive_anon:199 isolated_anon:0
[  721.431382]  active_file:6 inactive_file:21 isolated_file:0
[  721.431382]  unevictable:0 dirty:0 writeback:0 unstable:0
[  721.431382]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  721.431382]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  721.431382]  free:13686 free_pcp:384 free_cma:0
[  721.436718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  721.444075] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  721.446461] Call Trace:
[  721.479243] 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
[  721.488581]  <IRQ>
[  721.515880] lowmem_reserve[]: 0 2818 6321 6321
[  721.518465]  dump_stack+0x244/0x39d
[  721.544542] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  721.546685]  ? dump_stack_print_info.cold.1+0x20/0x20
[  721.551234] lowmem_reserve[]: 0 0 3503 3503
[  721.554854]  ? __wake_up+0xe/0x10
[  721.582158] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  721.587342]  warn_alloc.cold.116+0xb7/0x1bd
[  721.591629] lowmem_reserve[]: 0 0 0 0
[  721.595087]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  721.624032] 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
[  721.628343]  ? lock_downgrade+0x900/0x900
[  721.632115] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  721.636950]  ? trace_hardirqs_off+0xb8/0x310
[  721.650433] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  721.654580]  ? trace_hardirqs_off+0xb8/0x310
[  721.669737] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  721.674133]  __alloc_pages_slowpath+0x2651/0x2de0
[  721.687724] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  721.692137]  ? warn_alloc+0x120/0x120
[  721.700923] 271 total pagecache pages
[  721.700939] 0 pages in swap cache
[  721.705767]  ? warn_alloc+0x120/0x120
[  721.714314] Swap cache stats: add 0, delete 0, find 0/0
[  721.718098]  ? __lock_acquire+0x62f/0x4c20
[  721.721868] Free swap  = 0kB
[  721.725306]  ? warn_alloc+0x120/0x120
[  721.729074] Total swap = 0kB
[  721.729081] 1965979 pages RAM
[  721.734433]  ? print_usage_bug+0xc0/0xc0
[  721.738640] 0 pages HighMem/MovableOnly
[  721.741648]  ? print_usage_bug+0xc0/0xc0
[  721.745417] 342854 pages reserved
[  721.745424] 0 pages cma reserved
[  721.748451]  ? mark_held_locks+0x130/0x130
[  721.751577] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  721.755582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  721.755595]  ? should_fail+0x22d/0xd01
[  721.755609]  ? zap_class+0x640/0x640
[  721.759637] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  721.763609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  721.767034] oom_reaper cpuset=/ mems_allowed=0
[  721.770388]  ? __lock_acquire+0x62f/0x4c20
[  721.818310]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  721.823408]  ? should_fail+0x22d/0xd01
[  721.827302]  ? mark_held_locks+0x130/0x130
[  721.831532]  ? mark_held_locks+0x130/0x130
[  721.835762]  ? lock_downgrade+0x900/0x900
[  721.839905]  ? zap_class+0x640/0x640
[  721.843617]  ? zap_class+0x640/0x640
[  721.847328]  ? zap_class+0x640/0x640
[  721.851038]  ? do_raw_spin_unlock+0xa7/0x330
[  721.855442]  ? trace_hardirqs_on+0x310/0x310
[  721.859850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.865381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.870919]  ? check_preemption_disabled+0x48/0x280
[  721.875939]  ? __lock_is_held+0xb5/0x140
[  721.879999]  __alloc_pages_nodemask+0xad8/0xea0
[  721.884667]  ? zap_class+0x640/0x640
[  721.888385]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  721.893406]  ? find_held_lock+0x36/0x1c0
[  721.897476]  ? ____cache_alloc_node+0x1c7/0x1e0
[  721.902141]  ? lock_downgrade+0x900/0x900
[  721.906289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.911827]  cache_grow_begin+0xa5/0x8c0
[  721.915882]  ? do_raw_spin_unlock+0xa7/0x330
[  721.920293]  fallback_alloc+0x204/0x2e0
[  721.924267]  ____cache_alloc_node+0x1c7/0x1e0
[  721.928848]  kmem_cache_alloc_node+0xe3/0x730
[  721.933342]  ? lockdep_hardirqs_on+0x296/0x5b0
[  721.937933]  __alloc_skb+0x119/0x770
[  721.941644]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  721.947004]  ? netdev_alloc_frag+0x1f0/0x1f0
[  721.951412]  ? vprintk_default+0x28/0x30
[  721.955470]  ? vprintk_func+0x85/0x181
[  721.959352]  ? printk+0xa7/0xcf
[  721.962628]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  721.967388]  new_skb+0x26/0x1c0
[  721.970664]  aoecmd_cfg+0x279/0x7f0
[  721.974294]  ? find_held_lock+0x36/0x1c0
[  721.978353]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  721.982695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.988238]  ? __lock_is_held+0xb5/0x140
[  721.992303]  discover_timer+0x50/0x60
[  721.996099]  call_timer_fn+0x272/0x920
[  721.999981]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  722.004819]  ? process_timeout+0x40/0x40
[  722.008884]  ? __run_timers+0x7da/0xc70
[  722.012856]  ? _raw_spin_unlock_irq+0x27/0x80
[  722.017348]  ? _raw_spin_unlock_irq+0x27/0x80
[  722.021924]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  722.027370]  ? lockdep_hardirqs_on+0x296/0x5b0
[  722.031947]  ? trace_hardirqs_on+0xbd/0x310
[  722.036263]  ? kasan_check_read+0x11/0x20
[  722.040404]  ? __run_timers+0x7da/0xc70
[  722.044374]  ? trace_hardirqs_off_caller+0x310/0x310
[  722.049763]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  722.054597]  __run_timers+0x7e5/0xc70
[  722.058400]  ? timer_fixup_init+0x70/0x70
[  722.062544]  ? lock_acquire+0x1ed/0x520
[  722.066513]  ? zap_class+0x640/0x640
[  722.070224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.075762]  ? kasan_check_read+0x11/0x20
[  722.079903]  ? do_raw_spin_lock+0x14f/0x350
[  722.084228]  ? find_held_lock+0x36/0x1c0
[  722.088288]  ? zap_class+0x640/0x640
[  722.092000]  ? pvclock_read_flags+0x160/0x160
[  722.096495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.102028]  ? check_preemption_disabled+0x48/0x280
[  722.107047]  ? __lock_is_held+0xb5/0x140
[  722.111104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.116638]  ? check_preemption_disabled+0x48/0x280
[  722.121656]  run_timer_softirq+0x52/0xb0
[  722.125719]  ? rcu_read_lock_sched_held+0x14f/0x180
[  722.130734]  __do_softirq+0x308/0xb7e
[  722.134545]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  722.139048]  ? lock_downgrade+0x900/0x900
[  722.143194]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  722.148297]  ? pvclock_read_flags+0x160/0x160
[  722.152793]  ? lapic_next_event+0x5a/0x90
[  722.156952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.162492]  ? kvm_clock_read+0x18/0x30
[  722.166466]  ? kvm_sched_clock_read+0x9/0x20
[  722.170875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.176405]  ? check_preemption_disabled+0x48/0x280
[  722.181434]  irq_exit+0x17f/0x1c0
[  722.184887]  smp_apic_timer_interrupt+0x1cb/0x760
[  722.189738]  ? smp_call_function_single_interrupt+0x159/0x650
[  722.195623]  ? smp_call_function_single_interrupt+0x650/0x650
[  722.201500]  ? interrupt_entry+0xb5/0xc0
[  722.205561]  ? trace_hardirqs_off_caller+0xbb/0x310
[  722.210573]  ? trace_hardirqs_off_caller+0xbb/0x310
[  722.215590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  722.220435]  ? trace_hardirqs_on_caller+0x310/0x310
[  722.225448]  ? trace_hardirqs_on_caller+0x310/0x310
[  722.230458]  ? task_prio+0x50/0x50
[  722.233994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.239526]  ? check_preemption_disabled+0x48/0x280
[  722.244543]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  722.249385]  apic_timer_interrupt+0xf/0x20
[  722.253607]  </IRQ>
[  722.255858] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  722.260783] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  722.279779] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  722.287484] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  722.294761] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  722.302025] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  722.309288] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  722.316549] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  722.323844]  skb_clone+0x1bb/0x500
[  722.327382]  ? finish_task_switch+0x1b4/0x910
[  722.331873]  ? skb_split+0x11e0/0x11e0
[  722.335757]  ? preempt_notifier_register+0x200/0x200
[  722.340857]  ? __switch_to_asm+0x34/0x70
[  722.344916]  ? __switch_to_asm+0x34/0x70
[  722.348971]  ? __switch_to_asm+0x40/0x70
[  722.353024]  ? __switch_to_asm+0x34/0x70
[  722.357076]  ? __switch_to_asm+0x40/0x70
[  722.361129]  ? __switch_to_asm+0x34/0x70
[  722.365196]  ? __switch_to_asm+0x40/0x70
[  722.369250]  ? __switch_to_asm+0x34/0x70
[  722.373305]  ? __switch_to_asm+0x34/0x70
[  722.377364]  ? __switch_to_asm+0x40/0x70
[  722.381421]  ? __switch_to_asm+0x34/0x70
[  722.385482]  bpf_clone_redirect+0xb9/0x490
[  722.389718]  ? __schedule+0x8d7/0x21d0
[  722.393604]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  722.398616]  ? __sched_text_start+0x8/0x8
[  722.402758]  ? retint_kernel+0x2d/0x2d
[  722.406656]  ? find_held_lock+0x36/0x1c0
[  722.410722]  ? lock_acquire+0x1ed/0x520
[  722.414694]  ? bpf_test_run+0x3ee/0x7a0
[  722.418669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.424202]  ? check_preemption_disabled+0x48/0x280
[  722.429217]  ? kasan_check_read+0x11/0x20
[  722.433360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  722.438633]  ? rcu_softirq_qs+0x20/0x20
[  722.442608]  ? preempt_schedule+0x4d/0x60
[  722.446751]  ? ___preempt_schedule+0x16/0x18
[  722.451158]  ? bpf_test_run+0x271/0x7a0
[  722.455470]  ? netlink_diag_dump+0x2a0/0x2a0
[  722.459878]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  722.465414]  ? bpf_test_init.isra.10+0x70/0x100
[  722.470084]  ? bpf_prog_test_run_skb+0x762/0xd60
[  722.474841]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  722.479685]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  722.485218]  ? fput+0x130/0x1a0
[  722.488496]  ? __bpf_prog_get+0x9b/0x290
[  722.492558]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  722.497394]  ? bpf_prog_test_run+0x130/0x1a0
[  722.501811]  ? __x64_sys_bpf+0x3d8/0x520
[  722.505869]  ? bpf_prog_get+0x20/0x20
[  722.509685]  ? do_syscall_64+0x1b9/0x820
[  722.513739]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  722.519097]  ? syscall_return_slowpath+0x5e0/0x5e0
[  722.524019]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  722.528857]  ? trace_hardirqs_on_caller+0x310/0x310
[  722.533872]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  722.538899]  ? prepare_exit_to_usermode+0x291/0x3b0
[  722.543915]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  722.548758]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  722.554132] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  722.554189] aoe: skb alloc failure
[  722.561139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  722.561147] Call Trace:
[  722.564727] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  722.574005]  <IRQ>
[  722.576571] syz-executor0 cpuset=syz0 mems_allowed=0
[  722.587041]  dump_stack+0x244/0x39d
[  722.597860]  ? dump_stack_print_info.cold.1+0x20/0x20
[  722.603053]  ? __wake_up+0xe/0x10
[  722.606508]  warn_alloc.cold.116+0xb7/0x1bd
[  722.610844]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  722.615685]  ? lock_downgrade+0x900/0x900
[  722.619839]  ? trace_hardirqs_off+0xb8/0x310
[  722.624252]  ? trace_hardirqs_off+0xb8/0x310
[  722.628668]  __alloc_pages_slowpath+0x2651/0x2de0
[  722.633528]  ? warn_alloc+0x120/0x120
[  722.637329]  ? print_usage_bug+0xc0/0xc0
[  722.641386]  ? warn_alloc+0x120/0x120
[  722.645186]  ? warn_alloc+0x120/0x120
[  722.648985]  ? print_usage_bug+0xc0/0xc0
[  722.653045]  ? print_usage_bug+0xc0/0xc0
[  722.657103]  ? __lock_acquire+0x62f/0x4c20
[  722.661349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  722.666879]  ? should_fail+0x22d/0xd01
[  722.670784]  ? __lock_acquire+0x62f/0x4c20
[  722.675016]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  722.680129]  ? __lock_acquire+0x62f/0x4c20
[  722.684360]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  722.689569]  ? __lock_acquire+0x62f/0x4c20
[  722.693795]  ? should_fail+0x22d/0xd01
[  722.697684]  ? mark_held_locks+0x130/0x130
[  722.701922]  ? mark_held_locks+0x130/0x130
[  722.706148]  ? zap_class+0x640/0x640
[  722.709856]  ? zap_class+0x640/0x640
[  722.713569]  ? print_usage_bug+0xc0/0xc0
[  722.717653]  ? do_raw_spin_unlock+0xa7/0x330
[  722.722056]  ? zap_class+0x640/0x640
[  722.725765]  ? print_usage_bug+0xc0/0xc0
[  722.729822]  ? wq_watchdog_touch+0x9c/0xfe
[  722.734055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.739587]  ? check_preemption_disabled+0x48/0x280
[  722.744714]  ? __lock_is_held+0xb5/0x140
[  722.748791]  __alloc_pages_nodemask+0xad8/0xea0
[  722.753453]  ? zap_class+0x640/0x640
[  722.757169]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  722.762190]  ? find_held_lock+0x36/0x1c0
[  722.766253]  ? ____cache_alloc_node+0x1c7/0x1e0
[  722.770917]  ? lock_downgrade+0x900/0x900
[  722.775068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.780605]  cache_grow_begin+0xa5/0x8c0
[  722.784669]  ? do_raw_spin_unlock+0xa7/0x330
[  722.789078]  fallback_alloc+0x204/0x2e0
[  722.793055]  ____cache_alloc_node+0x1c7/0x1e0
[  722.797549]  kmem_cache_alloc_node+0xe3/0x730
[  722.802042]  ? ipv6_get_ifaddr+0x42e/0x620
[  722.806279]  __alloc_skb+0x119/0x770
[  722.809988]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  722.815262]  ? netdev_alloc_frag+0x1f0/0x1f0
[  722.819662]  ? lock_downgrade+0x900/0x900
[  722.823811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.829341]  ? refcount_sub_and_test_checked+0x203/0x310
[  722.834793]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  722.840252]  ? addrconf_rs_timer+0x690/0x690
[  722.844680]  ndisc_alloc_skb+0x144/0x340
[  722.848743]  ndisc_send_rs+0x331/0x6e0
[  722.852637]  addrconf_rs_timer+0x314/0x690
[  722.856879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  722.861115]  call_timer_fn+0x272/0x920
[  722.865000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  722.869230]  ? process_timeout+0x40/0x40
[  722.873293]  ? mark_held_locks+0xc7/0x130
[  722.877436]  ? _raw_spin_unlock_irq+0x27/0x80
[  722.881923]  ? _raw_spin_unlock_irq+0x27/0x80
[  722.886410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  722.890639]  ? lockdep_hardirqs_on+0x296/0x5b0
[  722.895215]  ? trace_hardirqs_on+0xbd/0x310
[  722.899532]  ? kasan_check_read+0x11/0x20
[  722.903672]  ? __run_timers+0x7da/0xc70
[  722.907641]  ? trace_hardirqs_off_caller+0x310/0x310
[  722.912828]  ? ip_vs_sync_net_cleanup.cold.11+0x37/0x37
[  722.918192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  722.922420]  __run_timers+0x7e5/0xc70
[  722.926226]  ? timer_fixup_init+0x70/0x70
[  722.930370]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  722.935381]  ? zap_class+0x640/0x640
[  722.939093]  ? print_usage_bug+0xc0/0xc0
[  722.943148]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  722.948338]  ? find_held_lock+0x36/0x1c0
[  722.952401]  ? zap_class+0x640/0x640
[  722.956113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.961646]  ? check_preemption_disabled+0x48/0x280
[  722.966664]  ? __lock_is_held+0xb5/0x140
[  722.970720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.976254]  ? check_preemption_disabled+0x48/0x280
[  722.981278]  run_timer_softirq+0x52/0xb0
[  722.985336]  ? rcu_read_lock_sched_held+0x14f/0x180
[  722.990346]  __do_softirq+0x308/0xb7e
[  722.994143]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  722.998633]  ? lock_downgrade+0x900/0x900
[  723.002779]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  723.007891]  ? pvclock_read_flags+0x160/0x160
[  723.012383]  ? lapic_next_event+0x5a/0x90
[  723.016526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.022059]  ? kvm_clock_read+0x18/0x30
[  723.026025]  ? kvm_sched_clock_read+0x9/0x20
[  723.030431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.035966]  ? check_preemption_disabled+0x48/0x280
[  723.040996]  irq_exit+0x17f/0x1c0
[  723.044460]  smp_apic_timer_interrupt+0x1cb/0x760
[  723.049301]  ? smp_call_function_single_interrupt+0x159/0x650
[  723.055181]  ? smp_call_function_single_interrupt+0x650/0x650
[  723.061058]  ? interrupt_entry+0xb5/0xc0
[  723.065118]  ? trace_hardirqs_off_caller+0xbb/0x310
[  723.070127]  ? trace_hardirqs_off_caller+0xbb/0x310
[  723.075140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  723.079980]  ? trace_hardirqs_on_caller+0x310/0x310
[  723.084989]  ? trace_hardirqs_on_caller+0x310/0x310
[  723.090014]  ? task_prio+0x50/0x50
[  723.093582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.099124]  ? check_preemption_disabled+0x48/0x280
[  723.104143]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  723.108989]  apic_timer_interrupt+0xf/0x20
[  723.113313]  </IRQ>
[  723.115546] RIP: 0010:smp_call_function_single+0x30a/0x660
[  723.121164] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  723.140060] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  723.147760] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  723.155026] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  723.162292] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  723.169559] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  723.176828] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  723.184107]  ? smp_call_function_single+0x351/0x660
[  723.189115]  ? smp_call_function_single+0x300/0x660
[  723.194135]  ? rcu_note_context_switch+0x12ad/0x2150
[  723.199238]  ? retint_kernel+0x2d/0x2d
[  723.203138]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  723.209022]  ? generic_exec_single+0x5f0/0x5f0
[  723.213613]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  723.219797]  ? zap_class+0x640/0x640
[  723.223511]  ? smp_call_function_single+0x302/0x660
[  723.228522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.234054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.239594]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  723.244610]  ? find_next_and_bit+0x183/0x1e0
[  723.249019]  smp_call_function_many+0x911/0xae0
[  723.253683]  ? __lock_acquire+0x62f/0x4c20
[  723.257914]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  723.263790]  ? _raw_spin_unlock_irq+0x27/0x80
[  723.268281]  ? _raw_spin_unlock_irq+0x27/0x80
[  723.272773]  ? smp_call_function_single_async+0x370/0x370
[  723.278307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.283845]  ? check_preemption_disabled+0x48/0x280
[  723.288867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.294406]  ? check_preemption_disabled+0x48/0x280
[  723.299418]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  723.305296]  on_each_cpu_mask+0x41/0x240
[  723.309354]  ? x86_configure_nx+0x110/0x110
[  723.313667]  on_each_cpu_cond_mask+0x171/0x210
[  723.318251]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  723.324133]  ? on_each_cpu_mask+0x240/0x240
[  723.328462]  native_flush_tlb_others+0x2ea/0x690
[  723.333214]  ? initialize_tlbstate_and_flush+0x380/0x380
[  723.338670]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  723.343683]  ? find_next_bit+0x104/0x130
[  723.347741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  723.353271]  ? find_next_bit+0x104/0x130
[  723.357328]  ? cpumask_next+0x41/0x50
[  723.361124]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  723.366161]  ? cpumask_any_but+0xb1/0xe0
[  723.370219]  flush_tlb_mm_range+0x2fe/0x5d0
[  723.374536]  ? fault_around_bytes_set+0x90/0x90
[  723.379211]  ? native_flush_tlb_others+0x690/0x690
[  723.384137]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  723.389679]  ? alloc_pages_current+0x17b/0x350
[  723.394262]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  723.399790]  ? __tlb_remove_page_size+0x187/0x500
[  723.404634]  unmap_page_range+0x1eef/0x2930
[  723.408970]  ? vm_normal_page_pmd+0x510/0x510
[  723.413465]  ? mark_held_locks+0x130/0x130
[  723.417694]  ? finish_task_switch+0x1f4/0x910
[  723.422182]  ? finish_task_switch+0x1b4/0x910
[  723.426669]  ? __switch_to_asm+0x34/0x70
[  723.430736]  ? zap_class+0x640/0x640
[  723.434444]  ? prepare_to_wait_event+0x39f/0xa10
[  723.439194]  ? tlb_table_flush+0xb4/0x5c0
[  723.443337]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  723.448519]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  723.453618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.459152]  ? tlb_flush_mmu_free+0x105/0x170
[  723.463651]  ? tlb_flush_mmu+0x58/0x520
[  723.467628]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  723.472124]  ? kasan_check_write+0x14/0x20
[  723.476353]  ? tlb_finish_mmu+0x166/0x1f0
[  723.480947]  ? tlb_gather_mmu+0x440/0x440
[  723.485095]  ? kasan_check_write+0x14/0x20
[  723.489328]  __oom_reap_task_mm+0xf7/0x410
[  723.493565]  ? process_shares_mm+0x460/0x460
[  723.497988]  oom_reaper+0x2b7/0x11e0
[  723.501717]  ? __oom_reap_task_mm+0x410/0x410
[  723.506221]  ? lock_pin_lock+0x350/0x350
[  723.510279]  ? finish_wait+0x430/0x430
[  723.514172]  ? __schedule+0x168a/0x21d0
[  723.518138]  ? __switch_to_asm+0x40/0x70
[  723.522191]  ? __switch_to_asm+0x40/0x70
[  723.526250]  ? zap_class+0x640/0x640
[  723.529972]  ? __sched_text_start+0x8/0x8
[  723.534121]  ? find_held_lock+0x36/0x1c0
[  723.538186]  ? __kthread_parkme+0xce/0x1a0
[  723.542425]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  723.547522]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  723.552628]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  723.557208]  ? trace_hardirqs_on+0xbd/0x310
[  723.561525]  ? kasan_check_read+0x11/0x20
[  723.565674]  ? __kthread_parkme+0xce/0x1a0
[  723.569904]  ? trace_hardirqs_off_caller+0x310/0x310
[  723.575005]  ? preempt_schedule+0x4d/0x60
[  723.579153]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  723.584253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  723.589789]  ? __kthread_parkme+0xfb/0x1a0
[  723.594026]  ? __oom_reap_task_mm+0x410/0x410
[  723.598519]  kthread+0x35a/0x440
[  723.601890]  ? kthread_stop+0x900/0x900
[  723.605862]  ret_from_fork+0x3a/0x50
[  723.609587] warn_alloc_show_mem: 1 callbacks suppressed
[  723.609597] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  723.609598] Mem-Info:
[  723.609628] active_anon:44214 inactive_anon:199 isolated_anon:0
[  723.609628]  active_file:6 inactive_file:21 isolated_file:0
[  723.609628]  unevictable:0 dirty:0 writeback:0 unstable:0
[  723.609628]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  723.609628]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  723.609628]  free:13686 free_pcp:384 free_cma:0
[  723.614963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  723.622318] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  723.624690] Call Trace:
[  723.624718]  <IRQ>
[  723.657501] 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
[  723.666847]  dump_stack+0x244/0x39d
[  723.694139] lowmem_reserve[]: 0 2818 6321 6321
[  723.696715]  ? dump_stack_print_info.cold.1+0x20/0x20
[  723.698833] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  723.724942]  ? __wake_up+0xe/0x10
[  723.728547] lowmem_reserve[]: 0 0 3503 3503
[  723.733124]  warn_alloc.cold.116+0xb7/0x1bd
[  723.738284] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  723.765600]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  723.769021] lowmem_reserve[]: 0 0 0 0
[  723.773331]  ? lock_downgrade+0x900/0x900
[  723.777636] 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
[  723.806616]  ? trace_hardirqs_off+0xb8/0x310
[  723.811427] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  723.815227]  ? trace_hardirqs_off+0xb8/0x310
[  723.819347] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  723.832866]  __alloc_pages_slowpath+0x2651/0x2de0
[  723.837250] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  723.852428]  ? warn_alloc+0x120/0x120
[  723.856809] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  723.870402]  ? warn_alloc+0x120/0x120
[  723.875214] 271 total pagecache pages
[  723.884039]  ? warn_alloc+0x120/0x120
[  723.887818] 0 pages in swap cache
[  723.896462]  ? print_usage_bug+0xc0/0xc0
[  723.900234] Swap cache stats: add 0, delete 0, find 0/0
[  723.904021]  ? print_usage_bug+0xc0/0xc0
[  723.907797] Free swap  = 0kB
[  723.911233]  ? ktime_get+0x2c1/0x400
[  723.915264] Total swap = 0kB
[  723.915271] 1965979 pages RAM
[  723.920627]  ? check_preemption_disabled+0x48/0x280
[  723.924655] 0 pages HighMem/MovableOnly
[  723.924662] 342854 pages reserved
[  723.927670]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  723.931356] 0 pages cma reserved
[  723.934374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  723.937500] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  723.942544]  ? should_fail+0x22d/0xd01
[  723.946577] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  723.949941]  ? kasan_check_read+0x11/0x20
[  723.954408] oom_reaper cpuset=/ mems_allowed=0
[  723.957766]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  723.997617]  ? __lock_acquire+0x62f/0x4c20
[  724.001849]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  724.006946]  ? should_fail+0x22d/0xd01
[  724.010830]  ? print_usage_bug+0xc0/0xc0
[  724.014898]  ? mark_held_locks+0x130/0x130
[  724.019132]  ? mark_held_locks+0x130/0x130
[  724.023363]  ? check_preemption_disabled+0x48/0x280
[  724.028380]  ? zap_class+0x640/0x640
[  724.032090]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  724.036844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.042390]  ? check_preemption_disabled+0x48/0x280
[  724.047408]  ? __lock_is_held+0xb5/0x140
[  724.051786]  __alloc_pages_nodemask+0xad8/0xea0
[  724.056451]  ? zap_class+0x640/0x640
[  724.060168]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  724.065187]  ? find_held_lock+0x36/0x1c0
[  724.069250]  ? ____cache_alloc_node+0x1c7/0x1e0
[  724.073919]  ? lock_downgrade+0x900/0x900
[  724.078070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.083603]  cache_grow_begin+0xa5/0x8c0
[  724.087659]  ? do_raw_spin_unlock+0xa7/0x330
[  724.092071]  fallback_alloc+0x204/0x2e0
[  724.096044]  ____cache_alloc_node+0x1c7/0x1e0
[  724.100537]  kmem_cache_alloc_node+0xe3/0x730
[  724.105115]  ? lockdep_hardirqs_on+0x296/0x5b0
[  724.109700]  __alloc_skb+0x119/0x770
[  724.113410]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  724.118770]  ? netdev_alloc_frag+0x1f0/0x1f0
[  724.123180]  ? vprintk_default+0x28/0x30
[  724.127237]  ? vprintk_func+0x85/0x181
[  724.131122]  ? printk+0xa7/0xcf
[  724.134398]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  724.139164]  new_skb+0x26/0x1c0
[  724.142439]  aoecmd_cfg+0x279/0x7f0
[  724.146061]  ? find_held_lock+0x36/0x1c0
[  724.150117]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  724.154442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.159984]  ? __lock_is_held+0xb5/0x140
[  724.164051]  discover_timer+0x50/0x60
[  724.167843]  call_timer_fn+0x272/0x920
[  724.171724]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  724.176563]  ? process_timeout+0x40/0x40
[  724.180628]  ? __run_timers+0x7da/0xc70
[  724.184597]  ? _raw_spin_unlock_irq+0x27/0x80
[  724.189087]  ? _raw_spin_unlock_irq+0x27/0x80
[  724.193581]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  724.198419]  ? lockdep_hardirqs_on+0x296/0x5b0
[  724.203001]  ? trace_hardirqs_on+0xbd/0x310
[  724.207316]  ? kasan_check_read+0x11/0x20
[  724.211463]  ? __run_timers+0x7da/0xc70
[  724.215439]  ? trace_hardirqs_off_caller+0x310/0x310
[  724.220549]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  724.225383]  __run_timers+0x7e5/0xc70
[  724.229186]  ? timer_fixup_init+0x70/0x70
[  724.233345]  ? lock_acquire+0x1ed/0x520
[  724.237413]  ? zap_class+0x640/0x640
[  724.241122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.246659]  ? kasan_check_read+0x11/0x20
[  724.250799]  ? do_raw_spin_lock+0x14f/0x350
[  724.255121]  ? find_held_lock+0x36/0x1c0
[  724.259184]  ? zap_class+0x640/0x640
[  724.262896]  ? pvclock_read_flags+0x160/0x160
[  724.267392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.272925]  ? check_preemption_disabled+0x48/0x280
[  724.277944]  ? __lock_is_held+0xb5/0x140
[  724.282004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.287538]  ? check_preemption_disabled+0x48/0x280
[  724.292557]  run_timer_softirq+0x52/0xb0
[  724.296612]  ? rcu_read_lock_sched_held+0x14f/0x180
[  724.301630]  __do_softirq+0x308/0xb7e
[  724.305428]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  724.310053]  ? lock_downgrade+0x900/0x900
[  724.314200]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  724.319305]  ? pvclock_read_flags+0x160/0x160
[  724.323801]  ? lapic_next_event+0x5a/0x90
[  724.327948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.333493]  ? kvm_clock_read+0x18/0x30
[  724.337469]  ? kvm_sched_clock_read+0x9/0x20
[  724.341883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.347418]  ? check_preemption_disabled+0x48/0x280
[  724.352441]  irq_exit+0x17f/0x1c0
[  724.355891]  smp_apic_timer_interrupt+0x1cb/0x760
[  724.360727]  ? smp_call_function_single_interrupt+0x159/0x650
[  724.366611]  ? smp_call_function_single_interrupt+0x650/0x650
[  724.372494]  ? interrupt_entry+0xb5/0xc0
[  724.376552]  ? trace_hardirqs_off_caller+0xbb/0x310
[  724.381562]  ? trace_hardirqs_off_caller+0xbb/0x310
[  724.386576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  724.391413]  ? trace_hardirqs_on_caller+0x310/0x310
[  724.396429]  ? trace_hardirqs_on_caller+0x310/0x310
[  724.401442]  ? task_prio+0x50/0x50
[  724.404981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.410514]  ? check_preemption_disabled+0x48/0x280
[  724.415528]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  724.420371]  apic_timer_interrupt+0xf/0x20
[  724.424595]  </IRQ>
[  724.426827] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  724.431751] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  724.450643] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  724.458344] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  724.465609] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  724.472870] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  724.480132] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  724.487397] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  724.494691]  skb_clone+0x1bb/0x500
[  724.498231]  ? finish_task_switch+0x1b4/0x910
[  724.502724]  ? skb_split+0x11e0/0x11e0
[  724.506611]  ? preempt_notifier_register+0x200/0x200
[  724.511706]  ? __switch_to_asm+0x34/0x70
[  724.515763]  ? __switch_to_asm+0x34/0x70
[  724.519819]  ? __switch_to_asm+0x40/0x70
[  724.523875]  ? __switch_to_asm+0x34/0x70
[  724.527932]  ? __switch_to_asm+0x40/0x70
[  724.531987]  ? __switch_to_asm+0x34/0x70
[  724.536042]  ? __switch_to_asm+0x40/0x70
[  724.540099]  ? __switch_to_asm+0x34/0x70
[  724.544153]  ? __switch_to_asm+0x34/0x70
[  724.548206]  ? __switch_to_asm+0x40/0x70
[  724.552263]  ? __switch_to_asm+0x34/0x70
[  724.556326]  bpf_clone_redirect+0xb9/0x490
[  724.560561]  ? __schedule+0x8d7/0x21d0
[  724.564447]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  724.569477]  ? __sched_text_start+0x8/0x8
[  724.573621]  ? retint_kernel+0x2d/0x2d
[  724.577511]  ? find_held_lock+0x36/0x1c0
[  724.581574]  ? lock_acquire+0x1ed/0x520
[  724.585544]  ? bpf_test_run+0x3ee/0x7a0
[  724.589513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.595044]  ? check_preemption_disabled+0x48/0x280
[  724.600060]  ? kasan_check_read+0x11/0x20
[  724.604202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  724.609482]  ? rcu_softirq_qs+0x20/0x20
[  724.613460]  ? preempt_schedule+0x4d/0x60
[  724.617605]  ? ___preempt_schedule+0x16/0x18
[  724.622016]  ? bpf_test_run+0x271/0x7a0
[  724.625996]  ? netlink_diag_dump+0x2a0/0x2a0
[  724.630400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  724.635935]  ? bpf_test_init.isra.10+0x70/0x100
[  724.640617]  ? bpf_prog_test_run_skb+0x762/0xd60
[  724.645378]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  724.650226]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  724.655757]  ? fput+0x130/0x1a0
[  724.659034]  ? __bpf_prog_get+0x9b/0x290
[  724.663094]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  724.667931]  ? bpf_prog_test_run+0x130/0x1a0
[  724.672335]  ? __x64_sys_bpf+0x3d8/0x520
[  724.676394]  ? bpf_prog_get+0x20/0x20
[  724.680210]  ? do_syscall_64+0x1b9/0x820
[  724.684265]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  724.689624]  ? syscall_return_slowpath+0x5e0/0x5e0
[  724.694547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  724.699385]  ? trace_hardirqs_on_caller+0x310/0x310
[  724.704399]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  724.709411]  ? prepare_exit_to_usermode+0x291/0x3b0
[  724.714433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  724.719284]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  724.724660] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  724.724712] aoe: skb alloc failure
[  724.731675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  724.731682] Call Trace:
[  724.735265] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  724.744540]  <IRQ>
[  724.747103] syz-executor0 cpuset=syz0 mems_allowed=0
[  724.757578]  dump_stack+0x244/0x39d
[  724.768405]  ? dump_stack_print_info.cold.1+0x20/0x20
[  724.773598]  ? __wake_up+0xe/0x10
[  724.777053]  warn_alloc.cold.116+0xb7/0x1bd
[  724.781371]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  724.786214]  ? lock_downgrade+0x900/0x900
[  724.790371]  ? trace_hardirqs_off+0xb8/0x310
[  724.794780]  ? trace_hardirqs_off+0xb8/0x310
[  724.799190]  __alloc_pages_slowpath+0x2651/0x2de0
[  724.804050]  ? warn_alloc+0x120/0x120
[  724.807850]  ? print_usage_bug+0xc0/0xc0
[  724.811907]  ? warn_alloc+0x120/0x120
[  724.815714]  ? warn_alloc+0x120/0x120
[  724.819528]  ? print_usage_bug+0xc0/0xc0
[  724.823596]  ? kvm_clock_read+0x18/0x30
[  724.827568]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  724.832578]  ? print_usage_bug+0xc0/0xc0
[  724.836639]  ? __lock_acquire+0x62f/0x4c20
[  724.840873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  724.846403]  ? should_fail+0x22d/0xd01
[  724.850293]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  724.855566]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  724.860665]  ? __lock_acquire+0x62f/0x4c20
[  724.864900]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  724.869995]  ? __lock_acquire+0x62f/0x4c20
[  724.874225]  ? should_fail+0x22d/0xd01
[  724.878103]  ? rcu_irq_exit+0x1a2/0x390
[  724.882078]  ? mark_held_locks+0x130/0x130
[  724.886311]  ? mark_held_locks+0x130/0x130
[  724.890556]  ? mark_held_locks+0xc7/0x130
[  724.894716]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  724.899731]  ? zap_class+0x640/0x640
[  724.903459]  ? print_usage_bug+0xc0/0xc0
[  724.907521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.913054]  ? check_preemption_disabled+0x48/0x280
[  724.918072]  ? __lock_is_held+0xb5/0x140
[  724.922136]  __alloc_pages_nodemask+0xad8/0xea0
[  724.926805]  ? zap_class+0x640/0x640
[  724.930524]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  724.935546]  ? find_held_lock+0x36/0x1c0
[  724.939611]  ? ____cache_alloc_node+0x1c7/0x1e0
[  724.944277]  ? lock_downgrade+0x900/0x900
[  724.948433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.953985]  cache_grow_begin+0xa5/0x8c0
[  724.958041]  ? do_raw_spin_unlock+0xa7/0x330
[  724.962457]  fallback_alloc+0x204/0x2e0
[  724.966450]  ____cache_alloc_node+0x1c7/0x1e0
[  724.970948]  kmem_cache_alloc_node+0xe3/0x730
[  724.975445]  ? ipv6_get_ifaddr+0x42e/0x620
[  724.979692]  __alloc_skb+0x119/0x770
[  724.983406]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  724.988696]  ? netdev_alloc_frag+0x1f0/0x1f0
[  724.993102]  ? lock_downgrade+0x900/0x900
[  724.997250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.002786]  ? refcount_sub_and_test_checked+0x203/0x310
[  725.008237]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  725.013693]  ? addrconf_rs_timer+0x690/0x690
[  725.018118]  ndisc_alloc_skb+0x144/0x340
[  725.022179]  ndisc_send_rs+0x331/0x6e0
[  725.026086]  addrconf_rs_timer+0x314/0x690
[  725.030334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  725.034574]  call_timer_fn+0x272/0x920
[  725.038458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  725.042704]  ? process_timeout+0x40/0x40
[  725.046781]  ? mark_held_locks+0xc7/0x130
[  725.050926]  ? _raw_spin_unlock_irq+0x27/0x80
[  725.055436]  ? _raw_spin_unlock_irq+0x27/0x80
[  725.059925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  725.064157]  ? lockdep_hardirqs_on+0x296/0x5b0
[  725.068739]  ? trace_hardirqs_on+0xbd/0x310
[  725.073056]  ? kasan_check_read+0x11/0x20
[  725.077198]  ? __run_timers+0x7da/0xc70
[  725.081168]  ? trace_hardirqs_off_caller+0x310/0x310
[  725.086269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  725.090504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  725.094732]  __run_timers+0x7e5/0xc70
[  725.098537]  ? timer_fixup_init+0x70/0x70
[  725.102686]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  725.107698]  ? zap_class+0x640/0x640
[  725.111423]  ? print_usage_bug+0xc0/0xc0
[  725.115491]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  725.120685]  ? find_held_lock+0x36/0x1c0
[  725.124749]  ? zap_class+0x640/0x640
[  725.128466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.134003]  ? check_preemption_disabled+0x48/0x280
[  725.139023]  ? __lock_is_held+0xb5/0x140
[  725.143083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.148618]  ? check_preemption_disabled+0x48/0x280
[  725.153632]  run_timer_softirq+0x52/0xb0
[  725.157693]  ? rcu_read_lock_sched_held+0x14f/0x180
[  725.162709]  __do_softirq+0x308/0xb7e
[  725.166506]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  725.170994]  ? lock_downgrade+0x900/0x900
[  725.175146]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  725.180255]  ? pvclock_read_flags+0x160/0x160
[  725.184747]  ? lapic_next_event+0x5a/0x90
[  725.188895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.194438]  ? kvm_clock_read+0x18/0x30
[  725.198417]  ? kvm_sched_clock_read+0x9/0x20
[  725.202829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.208367]  ? check_preemption_disabled+0x48/0x280
[  725.213403]  irq_exit+0x17f/0x1c0
[  725.217179]  smp_apic_timer_interrupt+0x1cb/0x760
[  725.222018]  ? smp_call_function_single_interrupt+0x159/0x650
[  725.227902]  ? smp_call_function_single_interrupt+0x650/0x650
[  725.233781]  ? interrupt_entry+0xb5/0xc0
[  725.237843]  ? trace_hardirqs_off_caller+0xbb/0x310
[  725.242852]  ? trace_hardirqs_off_caller+0xbb/0x310
[  725.247876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  725.252729]  ? trace_hardirqs_on_caller+0x310/0x310
[  725.257738]  ? trace_hardirqs_on_caller+0x310/0x310
[  725.262750]  ? task_prio+0x50/0x50
[  725.266312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.271848]  ? check_preemption_disabled+0x48/0x280
[  725.276864]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  725.281710]  apic_timer_interrupt+0xf/0x20
[  725.285937]  </IRQ>
[  725.288170] RIP: 0010:smp_call_function_single+0x30a/0x660
[  725.293793] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  725.312699] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  725.320419] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  725.327681] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  725.334946] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  725.342214] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  725.349476] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  725.356750]  ? smp_call_function_single+0x351/0x660
[  725.361760]  ? smp_call_function_single+0x300/0x660
[  725.366779]  ? rcu_note_context_switch+0x12ad/0x2150
[  725.371876]  ? retint_kernel+0x2d/0x2d
[  725.375761]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  725.381647]  ? generic_exec_single+0x5f0/0x5f0
[  725.386227]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  725.392117]  ? zap_class+0x640/0x640
[  725.395828]  ? smp_call_function_single+0x302/0x660
[  725.400843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.406385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.411915]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  725.416926]  ? find_next_and_bit+0x183/0x1e0
[  725.421336]  smp_call_function_many+0x911/0xae0
[  725.426001]  ? __lock_acquire+0x62f/0x4c20
[  725.430234]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  725.436114]  ? _raw_spin_unlock_irq+0x27/0x80
[  725.440602]  ? _raw_spin_unlock_irq+0x27/0x80
[  725.445099]  ? smp_call_function_single_async+0x370/0x370
[  725.450638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.456171]  ? check_preemption_disabled+0x48/0x280
[  725.461185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.466717]  ? check_preemption_disabled+0x48/0x280
[  725.471743]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  725.477622]  on_each_cpu_mask+0x41/0x240
[  725.481686]  ? x86_configure_nx+0x110/0x110
[  725.486003]  on_each_cpu_cond_mask+0x171/0x210
[  725.490584]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  725.496464]  ? on_each_cpu_mask+0x240/0x240
[  725.500788]  native_flush_tlb_others+0x2ea/0x690
[  725.505539]  ? initialize_tlbstate_and_flush+0x380/0x380
[  725.510991]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  725.516003]  ? find_next_bit+0x104/0x130
[  725.520060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  725.525589]  ? find_next_bit+0x104/0x130
[  725.529653]  ? cpumask_next+0x41/0x50
[  725.533447]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  725.538465]  ? cpumask_any_but+0xb1/0xe0
[  725.542538]  flush_tlb_mm_range+0x2fe/0x5d0
[  725.546855]  ? fault_around_bytes_set+0x90/0x90
[  725.551528]  ? native_flush_tlb_others+0x690/0x690
[  725.556456]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  725.561999]  ? alloc_pages_current+0x17b/0x350
[  725.566588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  725.572123]  ? __tlb_remove_page_size+0x187/0x500
[  725.576962]  unmap_page_range+0x1eef/0x2930
[  725.581298]  ? vm_normal_page_pmd+0x510/0x510
[  725.585794]  ? mark_held_locks+0x130/0x130
[  725.590024]  ? finish_task_switch+0x1f4/0x910
[  725.594514]  ? finish_task_switch+0x1b4/0x910
[  725.599004]  ? __switch_to_asm+0x34/0x70
[  725.603073]  ? zap_class+0x640/0x640
[  725.606784]  ? prepare_to_wait_event+0x39f/0xa10
[  725.611532]  ? tlb_table_flush+0xb4/0x5c0
[  725.615675]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  725.620771]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  725.625871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.631405]  ? tlb_flush_mmu_free+0x105/0x170
[  725.635898]  ? tlb_flush_mmu+0x58/0x520
[  725.639873]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  725.644374]  ? kasan_check_write+0x14/0x20
[  725.648605]  ? tlb_finish_mmu+0x166/0x1f0
[  725.652753]  ? tlb_gather_mmu+0x440/0x440
[  725.656904]  ? kasan_check_write+0x14/0x20
[  725.661144]  __oom_reap_task_mm+0xf7/0x410
[  725.665384]  ? process_shares_mm+0x460/0x460
[  725.669806]  oom_reaper+0x2b7/0x11e0
[  725.673530]  ? __oom_reap_task_mm+0x410/0x410
[  725.678018]  ? lock_pin_lock+0x350/0x350
[  725.682074]  ? finish_wait+0x430/0x430
[  725.685964]  ? __schedule+0x168a/0x21d0
[  725.689943]  ? __switch_to_asm+0x40/0x70
[  725.694001]  ? __switch_to_asm+0x40/0x70
[  725.698065]  ? zap_class+0x640/0x640
[  725.701788]  ? __sched_text_start+0x8/0x8
[  725.705940]  ? find_held_lock+0x36/0x1c0
[  725.710003]  ? __kthread_parkme+0xce/0x1a0
[  725.714251]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  725.719366]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  725.724468]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  725.729051]  ? trace_hardirqs_on+0xbd/0x310
[  725.733371]  ? kasan_check_read+0x11/0x20
[  725.737521]  ? __kthread_parkme+0xce/0x1a0
[  725.741754]  ? trace_hardirqs_off_caller+0x310/0x310
[  725.746856]  ? preempt_schedule+0x4d/0x60
[  725.751005]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  725.756104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  725.761637]  ? __kthread_parkme+0xfb/0x1a0
[  725.765869]  ? __oom_reap_task_mm+0x410/0x410
[  725.770364]  kthread+0x35a/0x440
[  725.773730]  ? kthread_stop+0x900/0x900
[  725.777699]  ret_from_fork+0x3a/0x50
[  725.781422] warn_alloc_show_mem: 1 callbacks suppressed
[  725.781432] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  725.781434] Mem-Info:
[  725.781464] active_anon:44214 inactive_anon:199 isolated_anon:0
[  725.781464]  active_file:6 inactive_file:21 isolated_file:0
[  725.781464]  unevictable:0 dirty:0 writeback:0 unstable:0
[  725.781464]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  725.781464]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  725.781464]  free:13686 free_pcp:384 free_cma:0
[  725.786797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  725.794169] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  725.796565] Call Trace:
[  725.829353] 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
[  725.838684]  <IRQ>
[  725.865987] lowmem_reserve[]: 0 2818 6321 6321
[  725.868566]  dump_stack+0x244/0x39d
[  725.894732] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  725.896877]  ? dump_stack_print_info.cold.1+0x20/0x20
[  725.901423] lowmem_reserve[]: 0 0 3503 3503
[  725.905060]  ? __wake_up+0xe/0x10
[  725.932368] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  725.937554]  warn_alloc.cold.116+0xb7/0x1bd
[  725.941836] lowmem_reserve[]: 0 0 0 0
[  725.945287]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  725.974231] 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
[  725.978543]  ? lock_downgrade+0x900/0x900
[  725.982313] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  725.987156]  ? trace_hardirqs_off+0xb8/0x310
[  726.000648] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  726.004790]  ? trace_hardirqs_off+0xb8/0x310
[  726.019950] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  726.024351]  __alloc_pages_slowpath+0x2651/0x2de0
[  726.037934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  726.042354]  ? warn_alloc+0x120/0x120
[  726.051648] 271 total pagecache pages
[  726.056492]  ? warn_alloc+0x120/0x120
[  726.065037] 0 pages in swap cache
[  726.068823]  ? warn_alloc+0x120/0x120
[  726.072599] Swap cache stats: add 0, delete 0, find 0/0
[  726.076383]  ? print_usage_bug+0xc0/0xc0
[  726.079804] Free swap  = 0kB
[  726.083594]  ? print_usage_bug+0xc0/0xc0
[  726.088928] Total swap = 0kB
[  726.092978]  ? ktime_get+0x2c1/0x400
[  726.095974] 1965979 pages RAM
[  726.100024]  ? check_preemption_disabled+0x48/0x280
[  726.103022] 0 pages HighMem/MovableOnly
[  726.103029] 342854 pages reserved
[  726.106737]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  726.106754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  726.109833] 0 pages cma reserved
[  726.114922]  ? should_fail+0x22d/0xd01
[  726.118942] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  726.122326]  ? kasan_check_read+0x11/0x20
[  726.126875] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  726.132324]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  726.135659] oom_reaper cpuset=/ mems_allowed=0
[  726.139534]  ? __lock_acquire+0x62f/0x4c20
[  726.174210]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  726.179316]  ? should_fail+0x22d/0xd01
[  726.183210]  ? print_usage_bug+0xc0/0xc0
[  726.187282]  ? mark_held_locks+0x130/0x130
[  726.191520]  ? mark_held_locks+0x130/0x130
[  726.195755]  ? check_preemption_disabled+0x48/0x280
[  726.200776]  ? zap_class+0x640/0x640
[  726.204511]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  726.209263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.214798]  ? check_preemption_disabled+0x48/0x280
[  726.219817]  ? __lock_is_held+0xb5/0x140
[  726.223877]  __alloc_pages_nodemask+0xad8/0xea0
[  726.228544]  ? zap_class+0x640/0x640
[  726.232257]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  726.237278]  ? find_held_lock+0x36/0x1c0
[  726.241353]  ? ____cache_alloc_node+0x1c7/0x1e0
[  726.246023]  ? lock_downgrade+0x900/0x900
[  726.250173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.255710]  cache_grow_begin+0xa5/0x8c0
[  726.259764]  ? do_raw_spin_unlock+0xa7/0x330
[  726.264173]  fallback_alloc+0x204/0x2e0
[  726.268152]  ____cache_alloc_node+0x1c7/0x1e0
[  726.272648]  kmem_cache_alloc_node+0xe3/0x730
[  726.277153]  ? lockdep_hardirqs_on+0x296/0x5b0
[  726.281740]  __alloc_skb+0x119/0x770
[  726.285451]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  726.290816]  ? netdev_alloc_frag+0x1f0/0x1f0
[  726.295229]  ? vprintk_default+0x28/0x30
[  726.299289]  ? vprintk_func+0x85/0x181
[  726.303180]  ? printk+0xa7/0xcf
[  726.306456]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  726.311219]  new_skb+0x26/0x1c0
[  726.314509]  aoecmd_cfg+0x279/0x7f0
[  726.318134]  ? find_held_lock+0x36/0x1c0
[  726.322191]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  726.326514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.332061]  ? __lock_is_held+0xb5/0x140
[  726.336130]  discover_timer+0x50/0x60
[  726.339924]  call_timer_fn+0x272/0x920
[  726.343806]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  726.348643]  ? process_timeout+0x40/0x40
[  726.352705]  ? __run_timers+0x7da/0xc70
[  726.356676]  ? _raw_spin_unlock_irq+0x27/0x80
[  726.361167]  ? _raw_spin_unlock_irq+0x27/0x80
[  726.365657]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  726.370492]  ? lockdep_hardirqs_on+0x296/0x5b0
[  726.375076]  ? trace_hardirqs_on+0xbd/0x310
[  726.379393]  ? kasan_check_read+0x11/0x20
[  726.383538]  ? __run_timers+0x7da/0xc70
[  726.388018]  ? trace_hardirqs_off_caller+0x310/0x310
[  726.393253]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  726.398092]  __run_timers+0x7e5/0xc70
[  726.401896]  ? timer_fixup_init+0x70/0x70
[  726.406040]  ? lock_acquire+0x1ed/0x520
[  726.410016]  ? zap_class+0x640/0x640
[  726.413728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.419369]  ? kasan_check_read+0x11/0x20
[  726.423511]  ? do_raw_spin_lock+0x14f/0x350
[  726.427835]  ? find_held_lock+0x36/0x1c0
[  726.431895]  ? zap_class+0x640/0x640
[  726.435606]  ? pvclock_read_flags+0x160/0x160
[  726.440098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.445630]  ? check_preemption_disabled+0x48/0x280
[  726.450649]  ? __lock_is_held+0xb5/0x140
[  726.454707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.460242]  ? check_preemption_disabled+0x48/0x280
[  726.465256]  run_timer_softirq+0x52/0xb0
[  726.469316]  ? rcu_read_lock_sched_held+0x14f/0x180
[  726.474332]  __do_softirq+0x308/0xb7e
[  726.478132]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  726.482622]  ? lock_downgrade+0x900/0x900
[  726.486783]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  726.491887]  ? pvclock_read_flags+0x160/0x160
[  726.496379]  ? lapic_next_event+0x5a/0x90
[  726.500522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.506062]  ? kvm_clock_read+0x18/0x30
[  726.510120]  ? kvm_sched_clock_read+0x9/0x20
[  726.514529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.520066]  ? check_preemption_disabled+0x48/0x280
[  726.525089]  irq_exit+0x17f/0x1c0
[  726.528537]  smp_apic_timer_interrupt+0x1cb/0x760
[  726.533376]  ? smp_call_function_single_interrupt+0x159/0x650
[  726.539260]  ? smp_call_function_single_interrupt+0x650/0x650
[  726.545144]  ? interrupt_entry+0xb5/0xc0
[  726.549202]  ? trace_hardirqs_off_caller+0xbb/0x310
[  726.554214]  ? trace_hardirqs_off_caller+0xbb/0x310
[  726.559225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  726.564078]  ? trace_hardirqs_on_caller+0x310/0x310
[  726.569090]  ? trace_hardirqs_on_caller+0x310/0x310
[  726.574104]  ? task_prio+0x50/0x50
[  726.577639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.583175]  ? check_preemption_disabled+0x48/0x280
[  726.588191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  726.593052]  apic_timer_interrupt+0xf/0x20
[  726.597286]  </IRQ>
[  726.599520] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  726.604445] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  726.623342] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  726.631051] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  726.638315] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  726.645576] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  726.652839] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  726.660106] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  726.667413]  skb_clone+0x1bb/0x500
[  726.670951]  ? finish_task_switch+0x1b4/0x910
[  726.675446]  ? skb_split+0x11e0/0x11e0
[  726.679333]  ? preempt_notifier_register+0x200/0x200
[  726.684426]  ? __switch_to_asm+0x34/0x70
[  726.688481]  ? __switch_to_asm+0x34/0x70
[  726.692534]  ? __switch_to_asm+0x40/0x70
[  726.696591]  ? __switch_to_asm+0x34/0x70
[  726.700643]  ? __switch_to_asm+0x40/0x70
[  726.704696]  ? __switch_to_asm+0x34/0x70
[  726.708748]  ? __switch_to_asm+0x40/0x70
[  726.712799]  ? __switch_to_asm+0x34/0x70
[  726.716857]  ? __switch_to_asm+0x34/0x70
[  726.720914]  ? __switch_to_asm+0x40/0x70
[  726.724969]  ? __switch_to_asm+0x34/0x70
[  726.729034]  bpf_clone_redirect+0xb9/0x490
[  726.733269]  ? __schedule+0x8d7/0x21d0
[  726.737157]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  726.742170]  ? __sched_text_start+0x8/0x8
[  726.746311]  ? retint_kernel+0x2d/0x2d
[  726.750203]  ? find_held_lock+0x36/0x1c0
[  726.754270]  ? lock_acquire+0x1ed/0x520
[  726.758244]  ? bpf_test_run+0x3ee/0x7a0
[  726.762220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.767753]  ? check_preemption_disabled+0x48/0x280
[  726.772768]  ? kasan_check_read+0x11/0x20
[  726.776914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  726.782184]  ? rcu_softirq_qs+0x20/0x20
[  726.786169]  ? preempt_schedule+0x4d/0x60
[  726.790312]  ? ___preempt_schedule+0x16/0x18
[  726.794724]  ? bpf_test_run+0x271/0x7a0
[  726.798704]  ? netlink_diag_dump+0x2a0/0x2a0
[  726.803110]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  726.808640]  ? bpf_test_init.isra.10+0x70/0x100
[  726.813309]  ? bpf_prog_test_run_skb+0x762/0xd60
[  726.818067]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  726.822909]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  726.828445]  ? fput+0x130/0x1a0
[  726.831725]  ? __bpf_prog_get+0x9b/0x290
[  726.835783]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  726.840622]  ? bpf_prog_test_run+0x130/0x1a0
[  726.845029]  ? __x64_sys_bpf+0x3d8/0x520
[  726.849095]  ? bpf_prog_get+0x20/0x20
[  726.852910]  ? do_syscall_64+0x1b9/0x820
[  726.856968]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  726.862621]  ? syscall_return_slowpath+0x5e0/0x5e0
[  726.867550]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  726.872389]  ? trace_hardirqs_on_caller+0x310/0x310
[  726.877404]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  726.882417]  ? prepare_exit_to_usermode+0x291/0x3b0
[  726.887435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  726.892280]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  726.897655] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  726.897710] aoe: skb alloc failure
[  726.904663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  726.904668] Call Trace:
[  726.904674]  <IRQ>
[  726.904690]  dump_stack+0x244/0x39d
[  726.904709]  ? dump_stack_print_info.cold.1+0x20/0x20
[  726.908261] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  726.917580]  ? __wake_up+0xe/0x10
[  726.920138] syz-executor0 cpuset=syz0 mems_allowed=0
[  726.922290]  warn_alloc.cold.116+0xb7/0x1bd
[  726.954368]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  726.959209]  ? lock_downgrade+0x900/0x900
[  726.963366]  ? trace_hardirqs_off+0xb8/0x310
[  726.967774]  ? trace_hardirqs_off+0xb8/0x310
[  726.972183]  __alloc_pages_slowpath+0x2651/0x2de0
[  726.977043]  ? warn_alloc+0x120/0x120
[  726.980841]  ? print_usage_bug+0xc0/0xc0
[  726.984900]  ? warn_alloc+0x120/0x120
[  726.988698]  ? warn_alloc+0x120/0x120
[  726.992500]  ? print_usage_bug+0xc0/0xc0
[  726.996559]  ? kvm_clock_read+0x18/0x30
[  727.000528]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  727.005542]  ? print_usage_bug+0xc0/0xc0
[  727.009602]  ? __lock_acquire+0x62f/0x4c20
[  727.013837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  727.019368]  ? should_fail+0x22d/0xd01
[  727.023253]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  727.028529]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  727.033628]  ? __lock_acquire+0x62f/0x4c20
[  727.037863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  727.042962]  ? __lock_acquire+0x62f/0x4c20
[  727.047192]  ? should_fail+0x22d/0xd01
[  727.051275]  ? rcu_irq_exit+0x1a2/0x390
[  727.055261]  ? mark_held_locks+0x130/0x130
[  727.059506]  ? mark_held_locks+0x130/0x130
[  727.063752]  ? mark_held_locks+0xc7/0x130
[  727.067898]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  727.072911]  ? zap_class+0x640/0x640
[  727.076631]  ? print_usage_bug+0xc0/0xc0
[  727.080696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.086244]  ? check_preemption_disabled+0x48/0x280
[  727.091268]  ? __lock_is_held+0xb5/0x140
[  727.095334]  __alloc_pages_nodemask+0xad8/0xea0
[  727.100002]  ? zap_class+0x640/0x640
[  727.103719]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  727.108749]  ? find_held_lock+0x36/0x1c0
[  727.112812]  ? ____cache_alloc_node+0x1c7/0x1e0
[  727.117485]  ? lock_downgrade+0x900/0x900
[  727.121633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.127171]  cache_grow_begin+0xa5/0x8c0
[  727.131241]  ? do_raw_spin_unlock+0xa7/0x330
[  727.135658]  fallback_alloc+0x204/0x2e0
[  727.139638]  ____cache_alloc_node+0x1c7/0x1e0
[  727.144135]  kmem_cache_alloc_node+0xe3/0x730
[  727.148629]  ? ipv6_get_ifaddr+0x42e/0x620
[  727.152868]  __alloc_skb+0x119/0x770
[  727.156579]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  727.161853]  ? netdev_alloc_frag+0x1f0/0x1f0
[  727.166256]  ? lock_downgrade+0x900/0x900
[  727.170420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.175955]  ? refcount_sub_and_test_checked+0x203/0x310
[  727.181402]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  727.186846]  ? addrconf_rs_timer+0x690/0x690
[  727.191263]  ndisc_alloc_skb+0x144/0x340
[  727.195323]  ndisc_send_rs+0x331/0x6e0
[  727.199209]  addrconf_rs_timer+0x314/0x690
[  727.203451]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  727.207695]  call_timer_fn+0x272/0x920
[  727.211581]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  727.215813]  ? process_timeout+0x40/0x40
[  727.220245]  ? mark_held_locks+0xc7/0x130
[  727.224396]  ? _raw_spin_unlock_irq+0x27/0x80
[  727.228886]  ? _raw_spin_unlock_irq+0x27/0x80
[  727.233376]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  727.237607]  ? lockdep_hardirqs_on+0x296/0x5b0
[  727.242205]  ? trace_hardirqs_on+0xbd/0x310
[  727.246544]  ? kasan_check_read+0x11/0x20
[  727.250772]  ? __run_timers+0x7da/0xc70
[  727.254740]  ? trace_hardirqs_off_caller+0x310/0x310
[  727.259853]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  727.264087]  __run_timers+0x7e5/0xc70
[  727.267890]  ? timer_fixup_init+0x70/0x70
[  727.272035]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  727.277047]  ? zap_class+0x640/0x640
[  727.280759]  ? print_usage_bug+0xc0/0xc0
[  727.284829]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  727.290020]  ? find_held_lock+0x36/0x1c0
[  727.294083]  ? zap_class+0x640/0x640
[  727.297800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.303334]  ? check_preemption_disabled+0x48/0x280
[  727.308352]  ? __lock_is_held+0xb5/0x140
[  727.312410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.317945]  ? check_preemption_disabled+0x48/0x280
[  727.322958]  run_timer_softirq+0x52/0xb0
[  727.327013]  ? rcu_read_lock_sched_held+0x14f/0x180
[  727.332024]  __do_softirq+0x308/0xb7e
[  727.335822]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  727.340315]  ? lock_downgrade+0x900/0x900
[  727.344467]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  727.349571]  ? pvclock_read_flags+0x160/0x160
[  727.354065]  ? lapic_next_event+0x5a/0x90
[  727.358221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.363765]  ? kvm_clock_read+0x18/0x30
[  727.367741]  ? kvm_sched_clock_read+0x9/0x20
[  727.372147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.377682]  ? check_preemption_disabled+0x48/0x280
[  727.382702]  irq_exit+0x17f/0x1c0
[  727.386160]  smp_apic_timer_interrupt+0x1cb/0x760
[  727.391113]  ? smp_call_function_single_interrupt+0x159/0x650
[  727.397007]  ? smp_call_function_single_interrupt+0x650/0x650
[  727.403332]  ? interrupt_entry+0xb5/0xc0
[  727.407395]  ? trace_hardirqs_off_caller+0xbb/0x310
[  727.412410]  ? trace_hardirqs_off_caller+0xbb/0x310
[  727.417423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  727.422268]  ? trace_hardirqs_on_caller+0x310/0x310
[  727.427280]  ? trace_hardirqs_on_caller+0x310/0x310
[  727.432378]  ? task_prio+0x50/0x50
[  727.435919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.441461]  ? check_preemption_disabled+0x48/0x280
[  727.446495]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  727.451351]  apic_timer_interrupt+0xf/0x20
[  727.455573]  </IRQ>
[  727.457809] RIP: 0010:smp_call_function_single+0x30a/0x660
[  727.463432] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  727.482345] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  727.490136] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  727.497403] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  727.504678] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  727.511945] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  727.519217] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  727.526493]  ? smp_call_function_single+0x351/0x660
[  727.531502]  ? smp_call_function_single+0x300/0x660
[  727.536517]  ? rcu_note_context_switch+0x12ad/0x2150
[  727.541611]  ? retint_kernel+0x2d/0x2d
[  727.545498]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  727.551396]  ? generic_exec_single+0x5f0/0x5f0
[  727.555976]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  727.561857]  ? zap_class+0x640/0x640
[  727.565573]  ? smp_call_function_single+0x302/0x660
[  727.570588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.576121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.581652]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  727.586667]  ? find_next_and_bit+0x183/0x1e0
[  727.591077]  smp_call_function_many+0x911/0xae0
[  727.595744]  ? __lock_acquire+0x62f/0x4c20
[  727.599979]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  727.605857]  ? _raw_spin_unlock_irq+0x27/0x80
[  727.610348]  ? _raw_spin_unlock_irq+0x27/0x80
[  727.614838]  ? smp_call_function_single_async+0x370/0x370
[  727.620372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.625996]  ? check_preemption_disabled+0x48/0x280
[  727.631009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.636539]  ? check_preemption_disabled+0x48/0x280
[  727.641555]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  727.647447]  on_each_cpu_mask+0x41/0x240
[  727.651508]  ? x86_configure_nx+0x110/0x110
[  727.655824]  on_each_cpu_cond_mask+0x171/0x210
[  727.660403]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  727.666286]  ? on_each_cpu_mask+0x240/0x240
[  727.670623]  native_flush_tlb_others+0x2ea/0x690
[  727.675374]  ? initialize_tlbstate_and_flush+0x380/0x380
[  727.680826]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  727.685835]  ? find_next_bit+0x104/0x130
[  727.689894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  727.695426]  ? find_next_bit+0x104/0x130
[  727.699490]  ? cpumask_next+0x41/0x50
[  727.703284]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  727.708301]  ? cpumask_any_but+0xb1/0xe0
[  727.712365]  flush_tlb_mm_range+0x2fe/0x5d0
[  727.716679]  ? fault_around_bytes_set+0x90/0x90
[  727.721351]  ? native_flush_tlb_others+0x690/0x690
[  727.726274]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  727.731813]  ? alloc_pages_current+0x17b/0x350
[  727.736396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  727.741929]  ? __tlb_remove_page_size+0x187/0x500
[  727.746874]  unmap_page_range+0x1eef/0x2930
[  727.751222]  ? vm_normal_page_pmd+0x510/0x510
[  727.755718]  ? mark_held_locks+0x130/0x130
[  727.759959]  ? finish_task_switch+0x1f4/0x910
[  727.764449]  ? finish_task_switch+0x1b4/0x910
[  727.768937]  ? __switch_to_asm+0x34/0x70
[  727.773008]  ? zap_class+0x640/0x640
[  727.776717]  ? prepare_to_wait_event+0x39f/0xa10
[  727.781466]  ? tlb_table_flush+0xb4/0x5c0
[  727.785620]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  727.790722]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  727.795823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.801352]  ? tlb_flush_mmu_free+0x105/0x170
[  727.805849]  ? tlb_flush_mmu+0x58/0x520
[  727.809822]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  727.814320]  ? kasan_check_write+0x14/0x20
[  727.818547]  ? tlb_finish_mmu+0x166/0x1f0
[  727.822691]  ? tlb_gather_mmu+0x440/0x440
[  727.826838]  ? kasan_check_write+0x14/0x20
[  727.831070]  __oom_reap_task_mm+0xf7/0x410
[  727.835302]  ? process_shares_mm+0x460/0x460
[  727.839725]  oom_reaper+0x2b7/0x11e0
[  727.843447]  ? __oom_reap_task_mm+0x410/0x410
[  727.847941]  ? lock_pin_lock+0x350/0x350
[  727.851998]  ? finish_wait+0x430/0x430
[  727.855890]  ? __schedule+0x168a/0x21d0
[  727.859861]  ? __switch_to_asm+0x40/0x70
[  727.863918]  ? __switch_to_asm+0x40/0x70
[  727.867979]  ? zap_class+0x640/0x640
[  727.871696]  ? __sched_text_start+0x8/0x8
[  727.875847]  ? find_held_lock+0x36/0x1c0
[  727.879911]  ? __kthread_parkme+0xce/0x1a0
[  727.884143]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  727.889249]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  727.894353]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  727.898931]  ? trace_hardirqs_on+0xbd/0x310
[  727.903260]  ? kasan_check_read+0x11/0x20
[  727.907428]  ? __kthread_parkme+0xce/0x1a0
[  727.911668]  ? trace_hardirqs_off_caller+0x310/0x310
[  727.916771]  ? preempt_schedule+0x4d/0x60
[  727.920940]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  727.926064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  727.931601]  ? __kthread_parkme+0xfb/0x1a0
[  727.935833]  ? __oom_reap_task_mm+0x410/0x410
[  727.940500]  kthread+0x35a/0x440
[  727.943862]  ? kthread_stop+0x900/0x900
[  727.947832]  ret_from_fork+0x3a/0x50
[  727.951550] warn_alloc_show_mem: 1 callbacks suppressed
[  727.951560] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  727.951561] Mem-Info:
[  727.951590] active_anon:44214 inactive_anon:199 isolated_anon:0
[  727.951590]  active_file:6 inactive_file:21 isolated_file:0
[  727.951590]  unevictable:0 dirty:0 writeback:0 unstable:0
[  727.951590]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  727.951590]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  727.951590]  free:13686 free_pcp:384 free_cma:0
[  727.956927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  727.964283] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  727.966674] Call Trace:
[  727.999442] 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
[  728.008796]  <IRQ>
[  728.036101] lowmem_reserve[]: 0 2818 6321 6321
[  728.038686]  dump_stack+0x244/0x39d
[  728.065458] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  728.067617]  ? dump_stack_print_info.cold.1+0x20/0x20
[  728.072161] lowmem_reserve[]: 0 0 3503 3503
[  728.075781]  ? __wake_up+0xe/0x10
[  728.103171] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  728.108447]  warn_alloc.cold.116+0xb7/0x1bd
[  728.112727] lowmem_reserve[]: 0 0 0 0
[  728.116175]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  728.145117] 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
[  728.149440]  ? lock_downgrade+0x900/0x900
[  728.153205] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  728.158048]  ? trace_hardirqs_off+0xb8/0x310
[  728.171535] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  728.175685]  ? trace_hardirqs_off+0xb8/0x310
[  728.190830] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  728.195228]  __alloc_pages_slowpath+0x2651/0x2de0
[  728.208803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  728.208810] 271 total pagecache pages
[  728.213230]  ? warn_alloc+0x120/0x120
[  728.222025] 0 pages in swap cache
[  728.226854]  ? warn_alloc+0x120/0x120
[  728.235403] Swap cache stats: add 0, delete 0, find 0/0
[  728.239189]  ? __lock_acquire+0x62f/0x4c20
[  728.242962] Free swap  = 0kB
[  728.246400]  ? warn_alloc+0x120/0x120
[  728.250173] Total swap = 0kB
[  728.255521]  ? print_usage_bug+0xc0/0xc0
[  728.259742] 1965979 pages RAM
[  728.262747]  ? print_usage_bug+0xc0/0xc0
[  728.266525] 0 pages HighMem/MovableOnly
[  728.266532] 342854 pages reserved
[  728.269540]  ? mark_held_locks+0x130/0x130
[  728.273565] 0 pages cma reserved
[  728.273630] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  728.276670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  728.280761] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  728.284665]  ? should_fail+0x22d/0xd01
[  728.288089] oom_reaper cpuset=/ mems_allowed=0
[  728.292326]  ? zap_class+0x640/0x640
[  728.292344]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  728.335107]  ? __lock_acquire+0x62f/0x4c20
[  728.339348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  728.344447]  ? should_fail+0x22d/0xd01
[  728.348337]  ? mark_held_locks+0x130/0x130
[  728.352570]  ? mark_held_locks+0x130/0x130
[  728.356803]  ? lock_downgrade+0x900/0x900
[  728.360946]  ? zap_class+0x640/0x640
[  728.364655]  ? zap_class+0x640/0x640
[  728.368366]  ? zap_class+0x640/0x640
[  728.372073]  ? do_raw_spin_unlock+0xa7/0x330
[  728.376478]  ? trace_hardirqs_on+0x310/0x310
[  728.380893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.386426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.391963]  ? check_preemption_disabled+0x48/0x280
[  728.396985]  ? __lock_is_held+0xb5/0x140
[  728.401045]  __alloc_pages_nodemask+0xad8/0xea0
[  728.405707]  ? zap_class+0x640/0x640
[  728.409418]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  728.414438]  ? find_held_lock+0x36/0x1c0
[  728.418503]  ? ____cache_alloc_node+0x1c7/0x1e0
[  728.423167]  ? lock_downgrade+0x900/0x900
[  728.427342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.432884]  cache_grow_begin+0xa5/0x8c0
[  728.436941]  ? do_raw_spin_unlock+0xa7/0x330
[  728.441350]  fallback_alloc+0x204/0x2e0
[  728.445326]  ____cache_alloc_node+0x1c7/0x1e0
[  728.449824]  kmem_cache_alloc_node+0xe3/0x730
[  728.454318]  ? lockdep_hardirqs_on+0x296/0x5b0
[  728.458902]  __alloc_skb+0x119/0x770
[  728.462609]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  728.467973]  ? netdev_alloc_frag+0x1f0/0x1f0
[  728.472381]  ? vprintk_default+0x28/0x30
[  728.476438]  ? vprintk_func+0x85/0x181
[  728.480324]  ? printk+0xa7/0xcf
[  728.483598]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  728.488357]  new_skb+0x26/0x1c0
[  728.491630]  aoecmd_cfg+0x279/0x7f0
[  728.495254]  ? find_held_lock+0x36/0x1c0
[  728.499315]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  728.503638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.509194]  ? __lock_is_held+0xb5/0x140
[  728.513258]  discover_timer+0x50/0x60
[  728.517053]  call_timer_fn+0x272/0x920
[  728.520935]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  728.525770]  ? process_timeout+0x40/0x40
[  728.529844]  ? __run_timers+0x7da/0xc70
[  728.533819]  ? _raw_spin_unlock_irq+0x27/0x80
[  728.538415]  ? _raw_spin_unlock_irq+0x27/0x80
[  728.542905]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  728.547747]  ? lockdep_hardirqs_on+0x296/0x5b0
[  728.552331]  ? trace_hardirqs_on+0xbd/0x310
[  728.556649]  ? kasan_check_read+0x11/0x20
[  728.560789]  ? __run_timers+0x7da/0xc70
[  728.564759]  ? trace_hardirqs_off_caller+0x310/0x310
[  728.569873]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  728.574708]  __run_timers+0x7e5/0xc70
[  728.578512]  ? timer_fixup_init+0x70/0x70
[  728.582657]  ? lock_acquire+0x1ed/0x520
[  728.586625]  ? zap_class+0x640/0x640
[  728.590339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.595882]  ? kasan_check_read+0x11/0x20
[  728.600025]  ? do_raw_spin_lock+0x14f/0x350
[  728.604350]  ? find_held_lock+0x36/0x1c0
[  728.608410]  ? zap_class+0x640/0x640
[  728.612129]  ? pvclock_read_flags+0x160/0x160
[  728.616623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.622157]  ? check_preemption_disabled+0x48/0x280
[  728.627262]  ? __lock_is_held+0xb5/0x140
[  728.631318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.636855]  ? check_preemption_disabled+0x48/0x280
[  728.641873]  run_timer_softirq+0x52/0xb0
[  728.645935]  ? rcu_read_lock_sched_held+0x14f/0x180
[  728.650949]  __do_softirq+0x308/0xb7e
[  728.654748]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  728.659237]  ? lock_downgrade+0x900/0x900
[  728.663386]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  728.668489]  ? pvclock_read_flags+0x160/0x160
[  728.673062]  ? lapic_next_event+0x5a/0x90
[  728.677217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.682753]  ? kvm_clock_read+0x18/0x30
[  728.686724]  ? kvm_sched_clock_read+0x9/0x20
[  728.691130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.696663]  ? check_preemption_disabled+0x48/0x280
[  728.701680]  irq_exit+0x17f/0x1c0
[  728.705137]  smp_apic_timer_interrupt+0x1cb/0x760
[  728.709973]  ? smp_call_function_single_interrupt+0x159/0x650
[  728.715857]  ? smp_call_function_single_interrupt+0x650/0x650
[  728.721735]  ? interrupt_entry+0xb5/0xc0
[  728.725792]  ? trace_hardirqs_off_caller+0xbb/0x310
[  728.730804]  ? trace_hardirqs_off_caller+0xbb/0x310
[  728.735820]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  728.740662]  ? trace_hardirqs_on_caller+0x310/0x310
[  728.745669]  ? trace_hardirqs_on_caller+0x310/0x310
[  728.750683]  ? task_prio+0x50/0x50
[  728.754222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.759754]  ? check_preemption_disabled+0x48/0x280
[  728.764772]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  728.769620]  apic_timer_interrupt+0xf/0x20
[  728.773843]  </IRQ>
[  728.776084] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  728.781008] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  728.800334] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  728.808035] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  728.815319] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  728.822585] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  728.829851] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  728.837112] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  728.844413]  skb_clone+0x1bb/0x500
[  728.847954]  ? finish_task_switch+0x1b4/0x910
[  728.852532]  ? skb_split+0x11e0/0x11e0
[  728.856869]  ? preempt_notifier_register+0x200/0x200
[  728.861988]  ? __switch_to_asm+0x34/0x70
[  728.866044]  ? __switch_to_asm+0x34/0x70
[  728.870106]  ? __switch_to_asm+0x40/0x70
[  728.874162]  ? __switch_to_asm+0x34/0x70
[  728.878218]  ? __switch_to_asm+0x40/0x70
[  728.882270]  ? __switch_to_asm+0x34/0x70
[  728.886321]  ? __switch_to_asm+0x40/0x70
[  728.890377]  ? __switch_to_asm+0x34/0x70
[  728.894432]  ? __switch_to_asm+0x34/0x70
[  728.898489]  ? __switch_to_asm+0x40/0x70
[  728.902541]  ? __switch_to_asm+0x34/0x70
[  728.906602]  bpf_clone_redirect+0xb9/0x490
[  728.910839]  ? __schedule+0x8d7/0x21d0
[  728.914725]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  728.919738]  ? __sched_text_start+0x8/0x8
[  728.923882]  ? retint_kernel+0x2d/0x2d
[  728.927771]  ? find_held_lock+0x36/0x1c0
[  728.931840]  ? lock_acquire+0x1ed/0x520
[  728.935812]  ? bpf_test_run+0x3ee/0x7a0
[  728.939961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  728.945493]  ? check_preemption_disabled+0x48/0x280
[  728.950508]  ? kasan_check_read+0x11/0x20
[  728.954652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  728.959937]  ? rcu_softirq_qs+0x20/0x20
[  728.963906]  ? preempt_schedule+0x4d/0x60
[  728.968047]  ? ___preempt_schedule+0x16/0x18
[  728.972464]  ? bpf_test_run+0x271/0x7a0
[  728.976445]  ? netlink_diag_dump+0x2a0/0x2a0
[  728.980854]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  728.986390]  ? bpf_test_init.isra.10+0x70/0x100
[  728.991067]  ? bpf_prog_test_run_skb+0x762/0xd60
[  728.995832]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  729.000674]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  729.006210]  ? fput+0x130/0x1a0
[  729.009497]  ? __bpf_prog_get+0x9b/0x290
[  729.013559]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  729.018398]  ? bpf_prog_test_run+0x130/0x1a0
[  729.022812]  ? __x64_sys_bpf+0x3d8/0x520
[  729.026871]  ? bpf_prog_get+0x20/0x20
[  729.030685]  ? do_syscall_64+0x1b9/0x820
[  729.034741]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  729.040101]  ? syscall_return_slowpath+0x5e0/0x5e0
[  729.045035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  729.049893]  ? trace_hardirqs_on_caller+0x310/0x310
[  729.054910]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  729.059928]  ? prepare_exit_to_usermode+0x291/0x3b0
[  729.064946]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  729.069794]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  729.075173] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  729.075201] rcu: INFO: rcu_preempt self-detected stall on CPU
[  729.082182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  729.082188] Call Trace:
[  729.088291] rcu: 	1-...!: (109 ticks this GP) idle=f02/1/0x4000000000000004 softirq=57244/57244 fqs=0 
[  729.097396]  <IRQ>
[  729.097414]  dump_stack+0x244/0x39d
[  729.097430]  ? dump_stack_print_info.cold.1+0x20/0x20
[  729.097445]  ? __wake_up+0xe/0x10
[  729.097467]  warn_alloc.cold.116+0xb7/0x1bd
[  729.097484]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  729.097501]  ? lock_downgrade+0x900/0x900
[  729.097522]  ? trace_hardirqs_off+0xb8/0x310
[  729.097541]  ? trace_hardirqs_off+0xb8/0x310
[  729.100251] rcu: 	 (t=10596 jiffies g=80401 q=31)
[  729.109691]  __alloc_pages_slowpath+0x2651/0x2de0
[  729.111827] rcu: rcu_preempt kthread starved for 10596 jiffies! g80401 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  729.115459]  ? warn_alloc+0x120/0x120
[  729.120602] rcu: RCU grace-period kthread stack dump:
[  729.124054]  ? print_usage_bug+0xc0/0xc0
[  729.128346] rcu_preempt     R  running task    22568    10      2 0x80000000
[  729.133182]  ? warn_alloc+0x120/0x120
[  729.137305] Call Trace:
[  729.141707]  ? warn_alloc+0x120/0x120
[  729.146112]  __schedule+0x8cf/0x21d0
[  729.150933]  ? print_usage_bug+0xc0/0xc0
[  729.155771]  ? __sched_text_start+0x8/0x8
[  729.166258]  ? print_usage_bug+0xc0/0xc0
[  729.170040]  ? add_timer_on+0xa20/0xa20
[  729.175211]  ? __lock_acquire+0x62f/0x4c20
[  729.179252]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  729.186427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  729.190203]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  729.190223]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  729.192791]  ? should_fail+0x22d/0xd01
[  729.196574]  ? trace_hardirqs_on+0xbd/0x310
[  729.200271]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  729.204315]  ? kasan_check_read+0x11/0x20
[  729.208441]  ? __lock_acquire+0x62f/0x4c20
[  729.212483]  ? prepare_to_swait_event+0x25a/0x800
[  729.216648]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  729.216657]  ? __lock_acquire+0x62f/0x4c20
[  729.216665]  ? should_fail+0x22d/0xd01
[  729.216673]  ? find_held_lock+0x36/0x1c0
[  729.216685]  ? mark_held_locks+0x130/0x130
[  729.216695]  ? mark_held_locks+0x130/0x130
[  729.216702]  ? zap_class+0x640/0x640
[  729.216710]  ? zap_class+0x640/0x640
[  729.216720]  ? print_usage_bug+0xc0/0xc0
[  729.216727]  ? do_raw_spin_unlock+0xa7/0x330
[  729.216735]  ? zap_class+0x640/0x640
[  729.216743]  ? print_usage_bug+0xc0/0xc0
[  729.216751]  ? wq_watchdog_touch+0x9c/0xfe
[  729.216762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.216772]  ? check_preemption_disabled+0x48/0x280
[  729.216785]  ? __lock_is_held+0xb5/0x140
[  729.216801]  __alloc_pages_nodemask+0xad8/0xea0
[  729.216813]  ? zap_class+0x640/0x640
[  729.216830]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  729.221057]  ? trace_hardirqs_off_caller+0x310/0x310
[  729.226184]  ? find_held_lock+0x36/0x1c0
[  729.231699]  schedule+0xfe/0x460
[  729.236785]  ? ____cache_alloc_node+0x1c7/0x1e0
[  729.241345]  ? __schedule+0x21d0/0x21d0
[  729.245216]  ? lock_downgrade+0x900/0x900
[  729.249521]  ? prepare_to_swait_event+0x25a/0x800
[  729.254613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.258739]  ? __init_swait_queue_head+0x150/0x150
[  729.262966]  cache_grow_begin+0xa5/0x8c0
[  729.267941]  ? __lockdep_init_map+0x105/0x590
[  729.273024]  ? do_raw_spin_unlock+0xa7/0x330
[  729.277246]  ? lockdep_init_map+0x9/0x10
[  729.281116]  fallback_alloc+0x204/0x2e0
[  729.285157]  schedule_timeout+0x140/0x260
[  729.289372]  ____cache_alloc_node+0x1c7/0x1e0
[  729.293583]  ? usleep_range+0x1a0/0x1a0
[  729.297287]  kmem_cache_alloc_node+0xe3/0x730
[  729.300975]  ? __next_timer_interrupt+0x1a0/0x1a0
[  729.305029]  ? ipv6_get_ifaddr+0x42e/0x620
[  729.309431]  rcu_gp_fqs_loop+0x762/0xa80
[  729.313124]  __alloc_skb+0x119/0x770
[  729.317165]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  729.321375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  729.326890]  ? trace_hardirqs_off_caller+0x310/0x310
[  729.331888]  ? netdev_alloc_frag+0x1f0/0x1f0
[  729.335927]  ? perf_trace_sched_process_exec+0x860/0x860
[  729.340577]  ? lock_downgrade+0x900/0x900
[  729.344273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.349275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.354363]  ? rcu_gp_init+0x90b/0x1260
[  729.358400]  ? refcount_sub_and_test_checked+0x203/0x310
[  729.361747]  ? __switch_to_asm+0x34/0x70
[  729.366396]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  729.370350]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  729.374475]  ? addrconf_rs_timer+0x690/0x690
[  729.379300]  ? __switch_to_asm+0x40/0x70
[  729.384827]  ndisc_alloc_skb+0x144/0x340
[  729.389739]  ? find_held_lock+0x36/0x1c0
[  729.393779]  ndisc_send_rs+0x331/0x6e0
[  729.398256]  ? zap_class+0x640/0x640
[  729.402650]  addrconf_rs_timer+0x314/0x690
[  729.406693]  ? prepare_to_swait_event+0x25a/0x800
[  729.410645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  729.414775]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  729.419257]  call_timer_fn+0x272/0x920
[  729.423211]  ? find_held_lock+0x36/0x1c0
[  729.427687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  729.432517]  ? finish_swait+0x25d/0x430
[  729.436725]  ? process_timeout+0x40/0x40
[  729.440772]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  729.444467]  ? mark_held_locks+0xc7/0x130
[  729.449287]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  729.454541]  ? _raw_spin_unlock_irq+0x27/0x80
[  729.459625]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  729.464020]  ? _raw_spin_unlock_irq+0x27/0x80
[  729.469449]  ? trace_hardirqs_on+0xbd/0x310
[  729.473575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  729.479095]  ? kasan_check_read+0x11/0x20
[  729.484611]  ? lockdep_hardirqs_on+0x296/0x5b0
[  729.488665]  ? trace_hardirqs_off_caller+0x310/0x310
[  729.494095]  ? trace_hardirqs_on+0xbd/0x310
[  729.498136]  ? __init_swait_queue_head+0x150/0x150
[  729.503568]  ? kasan_check_read+0x11/0x20
[  729.503581]  ? __run_timers+0x7da/0xc70
[  729.508329]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  729.512730]  ? trace_hardirqs_off_caller+0x310/0x310
[  729.516776]  ? finish_swait+0x25d/0x430
[  729.520821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  729.524856]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  729.528720]  __run_timers+0x7e5/0xc70
[  729.532418]  ? swake_up_locked+0x360/0x360
[  729.536635]  ? timer_fixup_init+0x70/0x70
[  729.541454]  ? trace_hardirqs_off_caller+0x310/0x310
[  729.545667]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  729.550749]  ? perf_trace_sched_process_exec+0x860/0x860
[  729.554614]  ? zap_class+0x640/0x640
[  729.558657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.562872]  ? print_usage_bug+0xc0/0xc0
[  729.566834]  rcu_gp_kthread+0x341/0xc70
[  729.570872]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  729.575956]  ? rcu_gp_init+0x1260/0x1260
[  729.580099]  ? find_held_lock+0x36/0x1c0
[  729.585182]  ? mark_held_locks+0x130/0x130
[  729.589659]  ? zap_class+0x640/0x640
[  729.594218]  ? __schedule+0x168a/0x21d0
[  729.598696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.603002]  ? _raw_spin_unlock_irq+0x27/0x80
[  729.607220]  ? check_preemption_disabled+0x48/0x280
[  729.611347]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  729.615916]  ? __lock_is_held+0xb5/0x140
[  729.621002]  ? trace_hardirqs_on+0xbd/0x310
[  729.625302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.630210]  ? kasan_check_read+0x11/0x20
[  729.634336]  ? check_preemption_disabled+0x48/0x280
[  729.638287]  ? __schedule+0x168a/0x21d0
[  729.643374]  run_timer_softirq+0x52/0xb0
[  729.648457]  ? trace_hardirqs_off_caller+0x310/0x310
[  729.652408]  ? rcu_read_lock_sched_held+0x14f/0x180
[  729.656623]  ? lock_pin_lock+0x350/0x350
[  729.661187]  __do_softirq+0x308/0xb7e
[  729.664971]  ? _raw_spin_unlock_irq+0x60/0x80
[  729.669186]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  729.673315]  ? __schedule+0x168a/0x21d0
[  729.678398]  ? lock_downgrade+0x900/0x900
[  729.683387]  ? __switch_to_asm+0x40/0x70
[  729.683401]  ? __switch_to_asm+0x40/0x70
[  729.688835]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  729.692533]  ? show_schedstat+0x551/0xf30
[  729.698053]  ? pvclock_read_flags+0x160/0x160
[  729.702096]  ? __sched_text_start+0x8/0x8
[  729.706051]  ? lapic_next_event+0x5a/0x90
[  729.711222]  ? find_held_lock+0x36/0x1c0
[  729.715265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.719314]  ? __kthread_parkme+0xce/0x1a0
[  729.723527]  ? kvm_clock_read+0x18/0x30
[  729.727221]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  729.731174]  ? kvm_sched_clock_read+0x9/0x20
[  729.736690]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  729.741167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.746162]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  729.750722]  ? check_preemption_disabled+0x48/0x280
[  729.754767]  ? trace_hardirqs_on+0xbd/0x310
[  729.759072]  irq_exit+0x17f/0x1c0
[  729.764582]  ? kasan_check_read+0x11/0x20
[  729.768707]  smp_apic_timer_interrupt+0x1cb/0x760
[  729.773701]  ? __kthread_parkme+0xce/0x1a0
[  729.777669]  ? smp_call_function_single_interrupt+0x159/0x650
[  729.781712]  ? trace_hardirqs_off_caller+0x310/0x310
[  729.786793]  ? smp_call_function_single_interrupt+0x650/0x650
[  729.791797]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  729.795833]  ? interrupt_entry+0xb5/0xc0
[  729.799617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  729.804091]  ? trace_hardirqs_off_caller+0xbb/0x310
[  729.808565]  ? __kthread_parkme+0xfb/0x1a0
[  729.812515]  ? trace_hardirqs_off_caller+0xbb/0x310
[  729.816643]  ? rcu_gp_init+0x1260/0x1260
[  729.820687]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  729.824724]  kthread+0x35a/0x440
[  729.829820]  ? trace_hardirqs_on_caller+0x310/0x310
[  729.833947]  ? kthread_stop+0x900/0x900
[  729.838417]  ? trace_hardirqs_on_caller+0x310/0x310
[  729.838431]  ? task_prio+0x50/0x50
[  729.842560]  ret_from_fork+0x3a/0x50
[  729.846689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.850750] Sending NMI from CPU 1 to CPUs 0:
[  729.856254]  ? check_preemption_disabled+0x48/0x280
[  729.863781] NMI backtrace for cpu 0
[  729.863788] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  729.863794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  729.863799] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x20
[  729.863811] Code: a6 fe ff ff 5d c3 0f 1f 40 00 55 0f b7 d6 0f b7 f7 bf 03 00 00 00 48 89 e5 48 8b 4d 08 e8 88 fe ff ff 5d c3 66 0f 1f 44 00 00 <55> 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff
[  729.863815] RSP: 0018:ffff8881dae061b0 EFLAGS: 00000046
[  729.863824] RAX: ffff8881d7b4e200 RBX: ffffffffffffffff RCX: 0000000000000003
[  729.863829] RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000000
[  729.863835] RBP: ffff8881dae062d8 R08: ffff8881d7b4e200 R09: fffffbfff1616c6c
[  729.863840] R10: fffffbfff1616c6c R11: ffffffff8b0b6360 R12: ffffffff8b0b6364
[  729.863846] R13: ffff8881dae06271 R14: 0000000000000001 R15: ffffffff8b0b6363
[  729.863852] FS:  0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
[  729.863857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  729.863862] CR2: ffffffffff600400 CR3: 00000001c2c3e000 CR4: 00000000001406f0
[  729.863868] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  729.863873] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[  729.863876] Call Trace:
[  729.863879]  <IRQ>
[  729.863883]  ? number+0x8ca/0xca0
[  729.863886]  ? put_dec+0xf0/0xf0
[  729.863890]  ? format_decode+0x1b2/0xaf0
[  729.863894]  ? enable_ptr_key_workfn+0x30/0x30
[  729.863898]  ? mark_held_locks+0x130/0x130
[  729.863902]  vsnprintf+0x13d0/0x1b60
[  729.863905]  ? pointer+0x900/0x900
[  729.863909]  sprintf+0xb0/0xe0
[  729.863912]  ? scnprintf+0x130/0x130
[  729.863916]  print_prefix+0x26a/0x3f0
[  729.863920]  msg_print_text+0xcc/0x1d0
[  729.863924]  console_unlock+0x4e6/0x1190
[  729.863928]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  729.863932]  ? lock_release+0xa00/0xa00
[  729.863936]  ? trace_hardirqs_off+0xb8/0x310
[  729.863940]  ? do_raw_spin_trylock+0x270/0x270
[  729.863944]  ? trace_hardirqs_on+0x310/0x310
[  729.863949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.863952]  vprintk_emit+0x391/0x990
[  729.863956]  ? wake_up_klogd+0x180/0x180
[  729.863960]  ? find_held_lock+0x36/0x1c0
[  729.863964]  ? is_bpf_text_address+0xac/0x170
[  729.863968]  ? lock_downgrade+0x900/0x900
[  729.863979]  ? check_preemption_disabled+0x48/0x280
[  729.863983]  vprintk_default+0x28/0x30
[  729.863987]  vprintk_func+0x7e/0x181
[  729.863990]  ? unwind_dump+0x190/0x190
[  729.863993]  printk+0xa7/0xcf
[  729.863998]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  729.864002]  ? is_bpf_text_address+0xd3/0x170
[  729.864006]  ? check_preemption_disabled+0x48/0x280
[  729.864010]  show_trace_log_lvl+0x23a/0x28c
[  729.864014]  ? check_preemption_disabled+0x48/0x280
[  729.864018]  ? apic_timer_interrupt+0xf/0x20
[  729.864022]  show_stack+0x38/0x3a
[  729.864025]  dump_stack+0x244/0x39d
[  729.864030]  ? dump_stack_print_info.cold.1+0x20/0x20
[  729.864033]  ? __wake_up+0xe/0x10
[  729.864037]  warn_alloc.cold.116+0xb7/0x1bd
[  729.864041]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  729.864045]  ? lock_downgrade+0x900/0x900
[  729.864049]  ? trace_hardirqs_off+0xb8/0x310
[  729.864053]  ? trace_hardirqs_off+0xb8/0x310
[  729.864057]  __alloc_pages_slowpath+0x2651/0x2de0
[  729.864061]  ? warn_alloc+0x120/0x120
[  729.864065]  ? print_usage_bug+0xc0/0xc0
[  729.864069]  ? warn_alloc+0x120/0x120
[  729.864072]  ? warn_alloc+0x120/0x120
[  729.864076]  ? print_usage_bug+0xc0/0xc0
[  729.864080]  ? print_usage_bug+0xc0/0xc0
[  729.864084]  ? __lock_acquire+0x62f/0x4c20
[  729.864089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  729.864092]  ? should_fail+0x22d/0xd01
[  729.864097]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  729.864101]  ? __lock_acquire+0x62f/0x4c20
[  729.864105]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  729.864109]  ? __lock_acquire+0x62f/0x4c20
[  729.864113]  ? should_fail+0x22d/0xd01
[  729.864117]  ? find_held_lock+0x36/0x1c0
[  729.864121]  ? mark_held_locks+0x130/0x130
[  729.864124]  ? mark_held_locks+0x130/0x130
[  729.864129]  ? zap_class+0x640/0x640
[  729.864132]  ? zap_class+0x640/0x640
[  729.864136]  ? print_usage_bug+0xc0/0xc0
[  729.864140]  ? do_raw_spin_unlock+0xa7/0x330
[  729.864144]  ? zap_class+0x640/0x640
[  729.864148]  ? print_usage_bug+0xc0/0xc0
[  729.864152]  ? wq_watchdog_touch+0x9c/0xfe
[  729.864156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.864160]  ? check_preemption_disabled+0x48/0x280
[  729.864164]  ? __lock_is_held+0xb5/0x140
[  729.864168]  __alloc_pages_nodemask+0xad8/0xea0
[  729.864172]  ? zap_class+0x640/0x640
[  729.864176]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  729.864180]  ? find_held_lock+0x36/0x1c0
[  729.864184]  ? ____cache_alloc_node+0x1c7/0x1e0
[  729.864188]  ? lock_downgrade+0x900/0x900
[  729.864193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.864197]  cache_grow_begin+0xa5/0x8c0
[  729.864201]  ? do_raw_spin_unlock+0xa7/0x330
[  729.864204]  fallback_alloc+0x204/0x2e0
[  729.864209]  ____cache_alloc_node+0x1c7/0x1e0
[  729.864213]  kmem_cache_alloc_node+0xe3/0x730
[  729.864216]  ? ipv6_get_ifaddr+0x42e/0x620
[  729.864220]  __alloc_skb+0x119/0x770
[  729.864225]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  729.864229]  ? netdev_alloc_frag+0x1f0/0x1f0
[  729.864232]  ? lock_downgrade+0x900/0x900
[  729.864237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.864242]  ? refcount_sub_and_test_checked+0x203/0x310
[  729.864246]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  729.864250]  ? addrconf_rs_timer+0x690/0x690
[  729.864254]  ndisc_alloc_skb+0x144/0x340
[  729.864258]  ndisc_send_rs+0x331/0x6e0
[  729.864262]  addrconf_rs_timer+0x314/0x690
[  729.864266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  729.864270]  call_timer_fn+0x272/0x920
[  729.864273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  729.864277]  ? process_timeout+0x40/0x40
[  729.864281]  ? mark_held_locks+0xc7/0x130
[  729.864285]  ? _raw_spin_unlock_irq+0x27/0x80
[  729.864289]  ? _raw_spin_unlock_irq+0x27/0x80
[  729.864293]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  729.864297]  ? lockdep_hardirqs_on+0x296/0x5b0
[  729.864301]  ? trace_hardirqs_on+0xbd/0x310
[  729.864305]  ? kasan_check_read+0x11/0x20
[  729.864309]  ? __run_timers+0x7da/0xc70
[  729.864313]  ? trace_hardirqs_off_caller+0x310/0x310
[  729.864317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  729.864321]  __run_timers+0x7e5/0xc70
[  729.864325]  ? timer_fixup_init+0x70/0x70
[  729.864329]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  729.864333]  ? zap_class+0x640/0x640
[  729.864337]  ? print_usage_bug+0xc0/0xc0
[  729.864342]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  729.864346]  ? find_held_lock+0x36/0x1c0
[  729.864349]  ? zap_class+0x640/0x640
[  729.864354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.864358]  ? check_preemption_disabled+0x48/0x280
[  729.864362]  ? __lock_is_held+0xb5/0x140
[  729.864367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.864371]  ? check_preemption_disabled+0x48/0x280
[  729.864375]  run_timer_softirq+0x52/0xb0
[  729.864379]  ? rcu_read_lock_sched_held+0x14f/0x180
[  729.864383]  __do_softirq+0x308/0xb7e
[  729.864387]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  729.864391]  ? lock_downgrade+0x900/0x900
[  729.864395]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  729.864399]  ? pvclock_read_flags+0x160/0x160
[  729.864403]  ? lapic_next_event+0x5a/0x90
[  729.864408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.864411]  ? kvm_clock_read+0x18/0x30
[  729.864415]  ? kvm_sched_clock_read+0x9/0x20
[  729.864420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.864424]  ? check_preemption_disabled+0x48/0x280
[  729.864428]  irq_exit+0x17f/0x1c0
[  729.864432]  smp_apic_timer_interrupt+0x1cb/0x760
[  729.864437]  ? smp_call_function_single_interrupt+0x159/0x650
[  729.864442]  ? smp_call_function_single_interrupt+0x650/0x650
[  729.864445]  ? interrupt_entry+0xb5/0xc0
[  729.864450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  729.864454]  ? trace_hardirqs_off_caller+0xbb/0x310
[  729.864458]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  729.864463]  ? trace_hardirqs_on_caller+0x310/0x310
[  729.864467]  ? trace_hardirqs_on_caller+0x310/0x310
[  729.864471]  ? task_prio+0x50/0x50
[  729.864475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.864479]  ? check_preemption_disabled+0x48/0x280
[  729.864484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  729.864488]  apic_timer_interrupt+0xf/0x20
[  729.864490]  </IRQ>
[  729.864495] RIP: 0010:smp_call_function_single+0x30a/0x660
[  729.864506] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  729.864510] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  729.864520] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  729.864525] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  729.864531] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  729.864536] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  729.864542] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  729.864546]  ? smp_call_function_single+0x351/0x660
[  729.864550]  ? smp_call_function_single+0x300/0x660
[  729.864555]  ? rcu_note_context_switch+0x12ad/0x2150
[  729.864558]  ? retint_kernel+0x2d/0x2d
[  729.864563]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  729.864567]  ? generic_exec_single+0x5f0/0x5f0
[  729.864572]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  729.864576]  ? zap_class+0x640/0x640
[  729.864580]  ? smp_call_function_single+0x302/0x660
[  729.864584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.864589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.864593]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  729.864597]  ? find_next_and_bit+0x183/0x1e0
[  729.864601]  smp_call_function_many+0x911/0xae0
[  729.864605]  ? __lock_acquire+0x62f/0x4c20
[  729.864610]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  729.864614]  ? _raw_spin_unlock_irq+0x27/0x80
[  729.864618]  ? _raw_spin_unlock_irq+0x27/0x80
[  729.864623]  ? smp_call_function_single_async+0x370/0x370
[  729.864627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.864632]  ? check_preemption_disabled+0x48/0x280
[  729.864636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  729.864641]  ? check_preemption_disabled+0x48/0x280
[  729.864645]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  729.864649]  on_each_cpu_mask+0x41/0x240
[  729.864653]  ? x86_configure_nx+0x110/0x110
[  729.864656]  on_e
[  729.864663] Lost 65 message(s)!
[  729.864670] NMI backtrace for cpu 1
[  729.866527]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  731.009369]  apic_timer_interrupt+0xf/0x20
[  731.013594]  </IRQ>
[  731.015831] RIP: 0010:smp_call_function_single+0x30a/0x660
[  731.021451] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  731.040517] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  731.048232] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  731.055496] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  731.062779] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  731.070044] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  731.077319] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  731.084593]  ? smp_call_function_single+0x351/0x660
[  731.089607]  ? smp_call_function_single+0x300/0x660
[  731.094630]  ? rcu_note_context_switch+0x12ad/0x2150
[  731.099725]  ? retint_kernel+0x2d/0x2d
[  731.103607]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  731.109487]  ? generic_exec_single+0x5f0/0x5f0
[  731.114062]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  731.119941]  ? zap_class+0x640/0x640
[  731.123652]  ? smp_call_function_single+0x302/0x660
[  731.128664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.134201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.139733]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  731.144743]  ? find_next_and_bit+0x183/0x1e0
[  731.149155]  smp_call_function_many+0x911/0xae0
[  731.153822]  ? __lock_acquire+0x62f/0x4c20
[  731.158053]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  731.163935]  ? _raw_spin_unlock_irq+0x27/0x80
[  731.168429]  ? _raw_spin_unlock_irq+0x27/0x80
[  731.172947]  ? smp_call_function_single_async+0x370/0x370
[  731.178482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.184014]  ? check_preemption_disabled+0x48/0x280
[  731.189029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.194560]  ? check_preemption_disabled+0x48/0x280
[  731.199574]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  731.205455]  on_each_cpu_mask+0x41/0x240
[  731.209512]  ? x86_configure_nx+0x110/0x110
[  731.213828]  on_each_cpu_cond_mask+0x171/0x210
[  731.218773]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  731.224657]  ? on_each_cpu_mask+0x240/0x240
[  731.228983]  native_flush_tlb_others+0x2ea/0x690
[  731.233738]  ? initialize_tlbstate_and_flush+0x380/0x380
[  731.239192]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  731.244202]  ? find_next_bit+0x104/0x130
[  731.248261]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  731.253790]  ? find_next_bit+0x104/0x130
[  731.257861]  ? cpumask_next+0x41/0x50
[  731.261656]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  731.266668]  ? cpumask_any_but+0xb1/0xe0
[  731.270728]  flush_tlb_mm_range+0x2fe/0x5d0
[  731.275047]  ? fault_around_bytes_set+0x90/0x90
[  731.279721]  ? native_flush_tlb_others+0x690/0x690
[  731.284650]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  731.290190]  ? alloc_pages_current+0x17b/0x350
[  731.294770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  731.300298]  ? __tlb_remove_page_size+0x187/0x500
[  731.305138]  unmap_page_range+0x1eef/0x2930
[  731.309479]  ? vm_normal_page_pmd+0x510/0x510
[  731.313975]  ? mark_held_locks+0x130/0x130
[  731.318209]  ? finish_task_switch+0x1f4/0x910
[  731.322699]  ? finish_task_switch+0x1b4/0x910
[  731.327305]  ? __switch_to_asm+0x34/0x70
[  731.331376]  ? zap_class+0x640/0x640
[  731.335091]  ? prepare_to_wait_event+0x39f/0xa10
[  731.339851]  ? tlb_table_flush+0xb4/0x5c0
[  731.343995]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  731.349100]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  731.354208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.359739]  ? tlb_flush_mmu_free+0x105/0x170
[  731.364234]  ? tlb_flush_mmu+0x58/0x520
[  731.368211]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  731.372707]  ? kasan_check_write+0x14/0x20
[  731.376942]  ? tlb_finish_mmu+0x166/0x1f0
[  731.381091]  ? tlb_gather_mmu+0x440/0x440
[  731.385246]  ? kasan_check_write+0x14/0x20
[  731.389484]  __oom_reap_task_mm+0xf7/0x410
[  731.393720]  ? process_shares_mm+0x460/0x460
[  731.398144]  oom_reaper+0x2b7/0x11e0
[  731.401867]  ? __oom_reap_task_mm+0x410/0x410
[  731.406354]  ? lock_pin_lock+0x350/0x350
[  731.410413]  ? finish_wait+0x430/0x430
[  731.414319]  ? __schedule+0x168a/0x21d0
[  731.418286]  ? __switch_to_asm+0x40/0x70
[  731.422340]  ? __switch_to_asm+0x40/0x70
[  731.426403]  ? zap_class+0x640/0x640
[  731.430129]  ? __sched_text_start+0x8/0x8
[  731.434286]  ? find_held_lock+0x36/0x1c0
[  731.438353]  ? __kthread_parkme+0xce/0x1a0
[  731.442583]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  731.447679]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  731.452778]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  731.457360]  ? trace_hardirqs_on+0xbd/0x310
[  731.461701]  ? kasan_check_read+0x11/0x20
[  731.465853]  ? __kthread_parkme+0xce/0x1a0
[  731.470089]  ? trace_hardirqs_off_caller+0x310/0x310
[  731.475193]  ? preempt_schedule+0x4d/0x60
[  731.479338]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  731.484436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  731.489978]  ? __kthread_parkme+0xfb/0x1a0
[  731.494210]  ? __oom_reap_task_mm+0x410/0x410
[  731.498698]  kthread+0x35a/0x440
[  731.502058]  ? kthread_stop+0x900/0x900
[  731.506039]  ret_from_fork+0x3a/0x50
[  731.509791] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  731.509796] warn_alloc_show_mem: 1 callbacks suppressed
[  731.509802] Mem-Info:
[  731.517158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  731.522519] active_anon:44214 inactive_anon:199 isolated_anon:0
[  731.522519]  active_file:6 inactive_file:21 isolated_file:0
[  731.522519]  unevictable:0 dirty:0 writeback:0 unstable:0
[  731.522519]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  731.522519]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  731.522519]  free:13686 free_pcp:384 free_cma:0
[  731.524890] Call Trace:
[  731.534261] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  731.567024]  <IRQ>
[  731.569592] 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
[  731.597605]  dump_stack+0x244/0x39d
[  731.599721] lowmem_reserve[]: 0 2818 6321 6321
[  731.625834]  ? dump_stack_print_info.cold.1+0x20/0x20
[  731.629434] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  731.634008]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  731.639163] lowmem_reserve[]: 0 0 3503 3503
[  731.666497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.671484] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  731.675799]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  731.683387] lowmem_reserve[]: 0 0 0 0
[  731.712354]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  731.716990] 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
[  731.720782]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  731.725940] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  731.739457]  arch_trigger_cpumask_backtrace+0x14/0x20
[  731.744701] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  731.759868]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  731.765038] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  731.778632]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  731.783017] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  731.791836]  ? print_other_cpu_stall+0x160/0x160
[  731.796558] 271 total pagecache pages
[  731.796574] 0 pages in swap cache
[  731.805126]  ? print_usage_bug+0xc0/0xc0
[  731.805138]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  731.809888] Swap cache stats: add 0, delete 0, find 0/0
[  731.813673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.817096] Free swap  = 0kB
[  731.821152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.826059] Total swap = 0kB
[  731.826067] 1965979 pages RAM
[  731.831418]  ? do_trace_rcu_torture_read+0x10/0x10
[  731.836922] 0 pages HighMem/MovableOnly
[  731.836928] 342854 pages reserved
[  731.839940]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  731.845454] 0 pages cma reserved
[  731.845662] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.071 msecs
[  731.848459]  ? __lock_is_held+0xb5/0x140
[  731.848475]  ? __rcu_read_lock+0x50/0x50
[  731.851598] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  731.856469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.856484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.856501]  ? check_preemption_disabled+0x48/0x280
[  731.860500] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  731.863890]  rcu_check_callbacks+0xf3b/0x13f0
[  731.869136] oom_reaper cpuset=/ mems_allowed=0
[  731.872489]  ? rcutree_dead_cpu+0x10/0x10
[  731.934921]  ? lock_downgrade+0x900/0x900
[  731.939066]  ? lock_release+0x960/0xa00
[  731.943044]  ? zap_class+0x640/0x640
[  731.946751]  ? mark_held_locks+0x130/0x130
[  731.950991]  ? zap_class+0x640/0x640
[  731.954700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.960296]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  731.964874]  ? kvm_set_tsc_khz+0x540/0x540
[  731.969108]  ? find_held_lock+0x36/0x1c0
[  731.973168]  ? zap_class+0x640/0x640
[  731.976877]  ? timekeeping_advance+0x3cc/0xc00
[  731.981457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  731.986995]  ? check_preemption_disabled+0x48/0x280
[  731.992017]  ? trace_hardirqs_off+0xb8/0x310
[  731.996420]  ? __lock_is_held+0xb5/0x140
[  732.000475]  ? trace_hardirqs_on+0x310/0x310
[  732.004884]  ? check_preemption_disabled+0x48/0x280
[  732.009911]  ? raise_softirq+0x199/0x420
[  732.013968]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  732.018637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.024169]  ? check_preemption_disabled+0x48/0x280
[  732.029556]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  732.035086]  ? hrtimer_run_queues+0x9a/0x400
[  732.039494]  ? run_local_timers+0x19b/0x230
[  732.043810]  ? timer_clear_idle+0x90/0x90
[  732.047953]  ? debug_smp_processor_id+0x1c/0x20
[  732.052890]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  732.058862]  ? account_process_tick+0x282/0x350
[  732.063537]  update_process_times+0x2d/0x70
[  732.067862]  tick_sched_handle+0x9f/0x180
[  732.072008]  tick_sched_timer+0x45/0x130
[  732.076065]  __hrtimer_run_queues+0x41c/0x10d0
[  732.080652]  ? tick_sched_do_timer+0x1a0/0x1a0
[  732.085233]  ? hrtimer_start_range_ns+0xe00/0xe00
[  732.090079]  ? pvclock_read_flags+0x160/0x160
[  732.094572]  ? trace_hardirqs_on+0x310/0x310
[  732.098974]  ? zap_class+0x640/0x640
[  732.102689]  ? kvm_clock_read+0x18/0x30
[  732.106661]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  732.111674]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  732.117043]  ? do_timer+0x50/0x50
[  732.120491]  ? rwlock_bug.part.2+0x90/0x90
[  732.124721]  ? trace_hardirqs_on+0x310/0x310
[  732.129125]  ? rcu_softirq_qs+0x20/0x20
[  732.133104]  hrtimer_interrupt+0x313/0x780
[  732.137349]  smp_apic_timer_interrupt+0x1a1/0x760
[  732.142189]  ? smp_call_function_single_interrupt+0x650/0x650
[  732.148073]  ? interrupt_entry+0xb5/0xc0
[  732.152130]  ? trace_hardirqs_off_caller+0xbb/0x310
[  732.157145]  ? ____cache_alloc_node+0x1c7/0x1e0
[  732.161822]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  732.166661]  ? trace_hardirqs_on_caller+0x310/0x310
[  732.171681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  732.176529]  apic_timer_interrupt+0xf/0x20
[  732.180847] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  732.186207] Code: 3f 7e 0f 85 32 ff ff ff e8 35 0d 3e ff e9 28 ff ff ff e8 ec 42 c3 ff 48 83 3d 74 8b 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 1a c2
[  732.205100] RSP: 0000:ffff8881daf073d8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  732.212805] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff11039b2cda1
[  732.220560] RDX: 0000000000000000 RSI: ffff8881cd966d10 RDI: 0000000000000282
[  732.227838] RBP: ffff8881daf07448 R08: ffff8881cd966d08 R09: 0000000000000002
[  732.235104] R10: 0000000000000000 R11: ffff8881cd966440 R12: ffff8881d9beec00
[  732.242369] R13: ffff8881d9beec00 R14: 0000000000000000 R15: 0000000000000282
[  732.249641]  ? apic_timer_interrupt+0xa/0x20
[  732.254061]  ? lockdep_hardirqs_on+0x296/0x5b0
[  732.258647]  __alloc_skb+0x119/0x770
[  732.262359]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  732.267724]  ? netdev_alloc_frag+0x1f0/0x1f0
[  732.272145]  ? vprintk_default+0x28/0x30
[  732.276201]  ? vprintk_func+0x85/0x181
[  732.280083]  ? printk+0xa7/0xcf
[  732.283357]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  732.288114]  new_skb+0x26/0x1c0
[  732.291388]  aoecmd_cfg+0x279/0x7f0
[  732.295012]  ? find_held_lock+0x36/0x1c0
[  732.299077]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  732.303401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.308942]  ? __lock_is_held+0xb5/0x140
[  732.313022]  discover_timer+0x50/0x60
[  732.316819]  call_timer_fn+0x272/0x920
[  732.320702]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  732.325542]  ? process_timeout+0x40/0x40
[  732.329606]  ? __run_timers+0x7da/0xc70
[  732.333578]  ? _raw_spin_unlock_irq+0x27/0x80
[  732.338070]  ? _raw_spin_unlock_irq+0x27/0x80
[  732.342563]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  732.347401]  ? lockdep_hardirqs_on+0x296/0x5b0
[  732.351978]  ? trace_hardirqs_on+0xbd/0x310
[  732.356293]  ? kasan_check_read+0x11/0x20
[  732.360433]  ? __run_timers+0x7da/0xc70
[  732.364403]  ? trace_hardirqs_off_caller+0x310/0x310
[  732.369516]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  732.374351]  __run_timers+0x7e5/0xc70
[  732.378156]  ? timer_fixup_init+0x70/0x70
[  732.382303]  ? lock_acquire+0x1ed/0x520
[  732.386271]  ? zap_class+0x640/0x640
[  732.389982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.395523]  ? kasan_check_read+0x11/0x20
[  732.399670]  ? do_raw_spin_lock+0x14f/0x350
[  732.403993]  ? find_held_lock+0x36/0x1c0
[  732.408053]  ? zap_class+0x640/0x640
[  732.411770]  ? pvclock_read_flags+0x160/0x160
[  732.416274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.421823]  ? check_preemption_disabled+0x48/0x280
[  732.426845]  ? __lock_is_held+0xb5/0x140
[  732.430904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.436439]  ? check_preemption_disabled+0x48/0x280
[  732.441455]  run_timer_softirq+0x52/0xb0
[  732.445528]  ? rcu_read_lock_sched_held+0x14f/0x180
[  732.450539]  __do_softirq+0x308/0xb7e
[  732.454353]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  732.458842]  ? lock_downgrade+0x900/0x900
[  732.462991]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  732.468095]  ? pvclock_read_flags+0x160/0x160
[  732.472586]  ? lapic_next_event+0x5a/0x90
[  732.476740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.482279]  ? kvm_clock_read+0x18/0x30
[  732.486250]  ? kvm_sched_clock_read+0x9/0x20
[  732.490653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.496189]  ? check_preemption_disabled+0x48/0x280
[  732.501208]  irq_exit+0x17f/0x1c0
[  732.504656]  smp_apic_timer_interrupt+0x1cb/0x760
[  732.509502]  ? smp_call_function_single_interrupt+0x159/0x650
[  732.515393]  ? smp_call_function_single_interrupt+0x650/0x650
[  732.521275]  ? interrupt_entry+0xb5/0xc0
[  732.525333]  ? trace_hardirqs_off_caller+0xbb/0x310
[  732.530345]  ? trace_hardirqs_off_caller+0xbb/0x310
[  732.535357]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  732.540196]  ? trace_hardirqs_on_caller+0x310/0x310
[  732.545205]  ? trace_hardirqs_on_caller+0x310/0x310
[  732.550215]  ? task_prio+0x50/0x50
[  732.553757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.559290]  ? check_preemption_disabled+0x48/0x280
[  732.564305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  732.569151]  apic_timer_interrupt+0xf/0x20
[  732.573372]  </IRQ>
[  732.575603] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  732.580527] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  732.599422] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  732.607132] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  732.614396] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  732.621659] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  732.628924] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  732.636188] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  732.643486]  skb_clone+0x1bb/0x500
[  732.647023]  ? finish_task_switch+0x1b4/0x910
[  732.651518]  ? skb_split+0x11e0/0x11e0
[  732.655400]  ? preempt_notifier_register+0x200/0x200
[  732.660499]  ? __switch_to_asm+0x34/0x70
[  732.664555]  ? __switch_to_asm+0x34/0x70
[  732.668607]  ? __switch_to_asm+0x40/0x70
[  732.672659]  ? __switch_to_asm+0x34/0x70
[  732.676711]  ? __switch_to_asm+0x40/0x70
[  732.680775]  ? __switch_to_asm+0x34/0x70
[  732.684831]  ? __switch_to_asm+0x40/0x70
[  732.688884]  ? __switch_to_asm+0x34/0x70
[  732.692937]  ? __switch_to_asm+0x34/0x70
[  732.696991]  ? __switch_to_asm+0x40/0x70
[  732.701045]  ? __switch_to_asm+0x34/0x70
[  732.705226]  bpf_clone_redirect+0xb9/0x490
[  732.709455]  ? __schedule+0x8d7/0x21d0
[  732.713350]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  732.718362]  ? __sched_text_start+0x8/0x8
[  732.722504]  ? retint_kernel+0x2d/0x2d
[  732.726393]  ? find_held_lock+0x36/0x1c0
[  732.730460]  ? lock_acquire+0x1ed/0x520
[  732.734437]  ? bpf_test_run+0x3ee/0x7a0
[  732.738406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  732.743941]  ? check_preemption_disabled+0x48/0x280
[  732.748959]  ? kasan_check_read+0x11/0x20
[  732.753109]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  732.758382]  ? rcu_softirq_qs+0x20/0x20
[  732.762351]  ? preempt_schedule+0x4d/0x60
[  732.766504]  ? ___preempt_schedule+0x16/0x18
[  732.770913]  ? bpf_test_run+0x271/0x7a0
[  732.774891]  ? netlink_diag_dump+0x2a0/0x2a0
[  732.779296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  732.784828]  ? bpf_test_init.isra.10+0x70/0x100
[  732.789498]  ? bpf_prog_test_run_skb+0x762/0xd60
[  732.794257]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  732.799100]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  732.804632]  ? fput+0x130/0x1a0
[  732.807929]  ? __bpf_prog_get+0x9b/0x290
[  732.811987]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  732.816825]  ? bpf_prog_test_run+0x130/0x1a0
[  732.821232]  ? __x64_sys_bpf+0x3d8/0x520
[  732.825288]  ? bpf_prog_get+0x20/0x20
[  732.829575]  ? do_syscall_64+0x1b9/0x820
[  732.833633]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  732.838995]  ? syscall_return_slowpath+0x5e0/0x5e0
[  732.843922]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  732.848760]  ? trace_hardirqs_on_caller+0x310/0x310
[  732.853771]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  732.858783]  ? prepare_exit_to_usermode+0x291/0x3b0
[  732.863801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  732.868643]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  732.874019] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  732.874029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  732.881096] aoe: skb alloc failure
[  732.890358] Call Trace:
[  732.890365]  <IRQ>
[  732.890381]  dump_stack+0x244/0x39d
[  732.890400]  ? dump_stack_print_info.cold.1+0x20/0x20
[  732.893971] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  732.896490]  ? __wake_up+0xe/0x10
[  732.898614] syz-executor0 cpuset=syz0 mems_allowed=0
[  732.902232]  warn_alloc.cold.116+0xb7/0x1bd
[  732.930720]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  732.935560]  ? lock_downgrade+0x900/0x900
[  732.939716]  ? trace_hardirqs_off+0xb8/0x310
[  732.944131]  ? trace_hardirqs_off+0xb8/0x310
[  732.948545]  __alloc_pages_slowpath+0x2651/0x2de0
[  732.953405]  ? warn_alloc+0x120/0x120
[  732.957204]  ? print_usage_bug+0xc0/0xc0
[  732.961262]  ? warn_alloc+0x120/0x120
[  732.965064]  ? warn_alloc+0x120/0x120
[  732.968859]  ? print_usage_bug+0xc0/0xc0
[  732.972918]  ? print_usage_bug+0xc0/0xc0
[  732.976977]  ? __lock_acquire+0x62f/0x4c20
[  732.981214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  732.986745]  ? should_fail+0x22d/0xd01
[  732.990630]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  732.995732]  ? __lock_acquire+0x62f/0x4c20
[  732.999967]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  733.005062]  ? __lock_acquire+0x62f/0x4c20
[  733.009296]  ? should_fail+0x22d/0xd01
[  733.013182]  ? find_held_lock+0x36/0x1c0
[  733.017244]  ? mark_held_locks+0x130/0x130
[  733.021476]  ? mark_held_locks+0x130/0x130
[  733.025707]  ? zap_class+0x640/0x640
[  733.029418]  ? zap_class+0x640/0x640
[  733.033144]  ? print_usage_bug+0xc0/0xc0
[  733.037199]  ? do_raw_spin_unlock+0xa7/0x330
[  733.041605]  ? zap_class+0x640/0x640
[  733.045314]  ? print_usage_bug+0xc0/0xc0
[  733.049605]  ? wq_watchdog_touch+0x9c/0xfe
[  733.053842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.059374]  ? check_preemption_disabled+0x48/0x280
[  733.064396]  ? __lock_is_held+0xb5/0x140
[  733.068458]  __alloc_pages_nodemask+0xad8/0xea0
[  733.073120]  ? zap_class+0x640/0x640
[  733.076835]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  733.081855]  ? find_held_lock+0x36/0x1c0
[  733.085919]  ? ____cache_alloc_node+0x1c7/0x1e0
[  733.090590]  ? lock_downgrade+0x900/0x900
[  733.094742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.100278]  cache_grow_begin+0xa5/0x8c0
[  733.104334]  ? do_raw_spin_unlock+0xa7/0x330
[  733.108743]  fallback_alloc+0x204/0x2e0
[  733.112716]  ____cache_alloc_node+0x1c7/0x1e0
[  733.117230]  kmem_cache_alloc_node+0xe3/0x730
[  733.121735]  ? ipv6_get_ifaddr+0x42e/0x620
[  733.125977]  __alloc_skb+0x119/0x770
[  733.129695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  733.134970]  ? netdev_alloc_frag+0x1f0/0x1f0
[  733.139391]  ? lock_downgrade+0x900/0x900
[  733.143553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.149089]  ? refcount_sub_and_test_checked+0x203/0x310
[  733.154536]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  733.159982]  ? addrconf_rs_timer+0x690/0x690
[  733.164400]  ndisc_alloc_skb+0x144/0x340
[  733.168460]  ndisc_send_rs+0x331/0x6e0
[  733.172346]  addrconf_rs_timer+0x314/0x690
[  733.176579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  733.180816]  call_timer_fn+0x272/0x920
[  733.184708]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  733.188946]  ? process_timeout+0x40/0x40
[  733.193016]  ? mark_held_locks+0xc7/0x130
[  733.197160]  ? _raw_spin_unlock_irq+0x27/0x80
[  733.201651]  ? _raw_spin_unlock_irq+0x27/0x80
[  733.206145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  733.210386]  ? lockdep_hardirqs_on+0x296/0x5b0
[  733.214965]  ? trace_hardirqs_on+0xbd/0x310
[  733.219545]  ? kasan_check_read+0x11/0x20
[  733.223709]  ? __run_timers+0x7da/0xc70
[  733.227690]  ? trace_hardirqs_off_caller+0x310/0x310
[  733.232792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  733.237041]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  733.241269]  __run_timers+0x7e5/0xc70
[  733.245077]  ? timer_fixup_init+0x70/0x70
[  733.249225]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  733.254238]  ? zap_class+0x640/0x640
[  733.257965]  ? print_usage_bug+0xc0/0xc0
[  733.262039]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  733.267229]  ? find_held_lock+0x36/0x1c0
[  733.271288]  ? zap_class+0x640/0x640
[  733.275001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.280534]  ? check_preemption_disabled+0x48/0x280
[  733.285553]  ? __lock_is_held+0xb5/0x140
[  733.289615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.295147]  ? check_preemption_disabled+0x48/0x280
[  733.300688]  run_timer_softirq+0x52/0xb0
[  733.304744]  ? rcu_read_lock_sched_held+0x14f/0x180
[  733.309756]  __do_softirq+0x308/0xb7e
[  733.313553]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  733.318040]  ? lock_downgrade+0x900/0x900
[  733.322189]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  733.327292]  ? pvclock_read_flags+0x160/0x160
[  733.331783]  ? lapic_next_event+0x5a/0x90
[  733.335932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.341468]  ? kvm_clock_read+0x18/0x30
[  733.345435]  ? kvm_sched_clock_read+0x9/0x20
[  733.349839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.355374]  ? check_preemption_disabled+0x48/0x280
[  733.360397]  irq_exit+0x17f/0x1c0
[  733.363846]  smp_apic_timer_interrupt+0x1cb/0x760
[  733.368684]  ? smp_call_function_single_interrupt+0x159/0x650
[  733.374564]  ? smp_call_function_single_interrupt+0x650/0x650
[  733.380447]  ? interrupt_entry+0xb5/0xc0
[  733.384507]  ? trace_hardirqs_off_caller+0xbb/0x310
[  733.389522]  ? trace_hardirqs_off_caller+0xbb/0x310
[  733.394533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  733.399473]  ? trace_hardirqs_on_caller+0x310/0x310
[  733.404486]  ? trace_hardirqs_on_caller+0x310/0x310
[  733.409493]  ? task_prio+0x50/0x50
[  733.413027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.418560]  ? check_preemption_disabled+0x48/0x280
[  733.423576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  733.428420]  apic_timer_interrupt+0xf/0x20
[  733.432646]  </IRQ>
[  733.434888] RIP: 0010:smp_call_function_single+0x30a/0x660
[  733.440514] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  733.459506] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  733.467209] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  733.474473] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  733.481738] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  733.489005] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  733.496370] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  733.503670]  ? smp_call_function_single+0x351/0x660
[  733.508681]  ? smp_call_function_single+0x300/0x660
[  733.513698]  ? rcu_note_context_switch+0x12ad/0x2150
[  733.518793]  ? retint_kernel+0x2d/0x2d
[  733.522678]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  733.528564]  ? generic_exec_single+0x5f0/0x5f0
[  733.533141]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  733.539023]  ? zap_class+0x640/0x640
[  733.542729]  ? smp_call_function_single+0x302/0x660
[  733.547745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.553276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.558825]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  733.563834]  ? find_next_and_bit+0x183/0x1e0
[  733.568243]  smp_call_function_many+0x911/0xae0
[  733.572910]  ? __lock_acquire+0x62f/0x4c20
[  733.577144]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  733.583031]  ? _raw_spin_unlock_irq+0x27/0x80
[  733.587702]  ? _raw_spin_unlock_irq+0x27/0x80
[  733.592193]  ? smp_call_function_single_async+0x370/0x370
[  733.597744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.603279]  ? check_preemption_disabled+0x48/0x280
[  733.608295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.613843]  ? check_preemption_disabled+0x48/0x280
[  733.618860]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  733.624743]  on_each_cpu_mask+0x41/0x240
[  733.628804]  ? x86_configure_nx+0x110/0x110
[  733.633121]  on_each_cpu_cond_mask+0x171/0x210
[  733.637701]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  733.643585]  ? on_each_cpu_mask+0x240/0x240
[  733.647915]  native_flush_tlb_others+0x2ea/0x690
[  733.652669]  ? initialize_tlbstate_and_flush+0x380/0x380
[  733.658122]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  733.663131]  ? find_next_bit+0x104/0x130
[  733.667189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  733.672722]  ? find_next_bit+0x104/0x130
[  733.676783]  ? cpumask_next+0x41/0x50
[  733.680577]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  733.685585]  ? cpumask_any_but+0xb1/0xe0
[  733.689652]  flush_tlb_mm_range+0x2fe/0x5d0
[  733.693967]  ? fault_around_bytes_set+0x90/0x90
[  733.698647]  ? native_flush_tlb_others+0x690/0x690
[  733.704009]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  733.709547]  ? alloc_pages_current+0x17b/0x350
[  733.714128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  733.719657]  ? __tlb_remove_page_size+0x187/0x500
[  733.724499]  unmap_page_range+0x1eef/0x2930
[  733.728837]  ? vm_normal_page_pmd+0x510/0x510
[  733.733335]  ? mark_held_locks+0x130/0x130
[  733.737571]  ? finish_task_switch+0x1f4/0x910
[  733.742058]  ? finish_task_switch+0x1b4/0x910
[  733.746544]  ? __switch_to_asm+0x34/0x70
[  733.750614]  ? zap_class+0x640/0x640
[  733.754339]  ? prepare_to_wait_event+0x39f/0xa10
[  733.759109]  ? tlb_table_flush+0xb4/0x5c0
[  733.763250]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  733.768348]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  733.773454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  733.778984]  ? tlb_flush_mmu_free+0x105/0x170
[  733.783477]  ? tlb_flush_mmu+0x58/0x520
[  733.787450]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  733.791943]  ? kasan_check_write+0x14/0x20
[  733.796169]  ? tlb_finish_mmu+0x166/0x1f0
[  733.800314]  ? tlb_gather_mmu+0x440/0x440
[  733.804463]  ? kasan_check_write+0x14/0x20
[  733.808699]  __oom_reap_task_mm+0xf7/0x410
[  733.812933]  ? process_shares_mm+0x460/0x460
[  733.817356]  oom_reaper+0x2b7/0x11e0
[  733.821074]  ? __oom_reap_task_mm+0x410/0x410
[  733.825561]  ? lock_pin_lock+0x350/0x350
[  733.829624]  ? finish_wait+0x430/0x430
[  733.833515]  ? __schedule+0x168a/0x21d0
[  733.837482]  ? __switch_to_asm+0x40/0x70
[  733.841536]  ? __switch_to_asm+0x40/0x70
[  733.845603]  ? zap_class+0x640/0x640
[  733.849412]  ? __sched_text_start+0x8/0x8
[  733.853560]  ? find_held_lock+0x36/0x1c0
[  733.857640]  ? __kthread_parkme+0xce/0x1a0
[  733.861883]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  733.866978]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  733.872079]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  733.876661]  ? trace_hardirqs_on+0xbd/0x310
[  733.880975]  ? kasan_check_read+0x11/0x20
[  733.885117]  ? __kthread_parkme+0xce/0x1a0
[  733.889346]  ? trace_hardirqs_off_caller+0x310/0x310
[  733.894446]  ? preempt_schedule+0x4d/0x60
[  733.898593]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  733.903698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  733.909232]  ? __kthread_parkme+0xfb/0x1a0
[  733.913462]  ? __oom_reap_task_mm+0x410/0x410
[  733.917956]  kthread+0x35a/0x440
[  733.921318]  ? kthread_stop+0x900/0x900
[  733.925288]  ret_from_fork+0x3a/0x50
[  733.929019] Mem-Info:
[  733.929029] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  733.929039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  733.931445] active_anon:44214 inactive_anon:199 isolated_anon:0
[  733.931445]  active_file:6 inactive_file:21 isolated_file:0
[  733.931445]  unevictable:0 dirty:0 writeback:0 unstable:0
[  733.931445]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  733.931445]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  733.931445]  free:13686 free_pcp:384 free_cma:0
[  733.938773] Call Trace:
[  733.948143] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  733.980894]  <IRQ>
[  733.983459] 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
[  734.010968]  dump_stack+0x244/0x39d
[  734.013084] lowmem_reserve[]: 0 2818 6321 6321
[  734.039202]  ? dump_stack_print_info.cold.1+0x20/0x20
[  734.042800] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  734.047376]  ? __wake_up+0xe/0x10
[  734.052987] lowmem_reserve[]: 0 0 3503 3503
[  734.080338]  warn_alloc.cold.116+0xb7/0x1bd
[  734.083755] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  734.088064]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  734.092362] lowmem_reserve[]: 0 0 0 0
[  734.121412]  ? lock_downgrade+0x900/0x900
[  734.126226] 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
[  734.130019]  ? trace_hardirqs_off+0xb8/0x310
[  734.134232] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  734.147750]  ? trace_hardirqs_off+0xb8/0x310
[  734.152124] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  734.167295]  __alloc_pages_slowpath+0x2651/0x2de0
[  734.171680] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  734.185291]  ? warn_alloc+0x120/0x120
[  734.190091] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  734.198912]  ? warn_alloc+0x120/0x120
[  734.202683] 271 total pagecache pages
[  734.211242]  ? warn_alloc+0x120/0x120
[  734.215020] 0 pages in swap cache
[  734.218801]  ? print_usage_bug+0xc0/0xc0
[  734.222587] Swap cache stats: add 0, delete 0, find 0/0
[  734.226024]  ? print_usage_bug+0xc0/0xc0
[  734.230056] Free swap  = 0kB
[  734.235403]  ? ktime_get+0x2c1/0x400
[  734.239428] Total swap = 0kB
[  734.239435] 1965979 pages RAM
[  734.242465]  ? check_preemption_disabled+0x48/0x280
[  734.246142] 0 pages HighMem/MovableOnly
[  734.246149] 342854 pages reserved
[  734.249156]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  734.252234] 0 pages cma reserved
[  734.257237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  734.261231] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  734.264620]  ? should_fail+0x22d/0xd01
[  734.264635]  ? kasan_check_read+0x11/0x20
[  734.264652]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  734.269175] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  734.272474]  ? __lock_acquire+0x62f/0x4c20
[  734.277980] oom_reaper cpuset=/ mems_allowed=0
[  734.284460]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  734.321701]  ? should_fail+0x22d/0xd01
[  734.325589]  ? print_usage_bug+0xc0/0xc0
[  734.329655]  ? mark_held_locks+0x130/0x130
[  734.333896]  ? mark_held_locks+0x130/0x130
[  734.338131]  ? check_preemption_disabled+0x48/0x280
[  734.343149]  ? zap_class+0x640/0x640
[  734.346865]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  734.351618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.357155]  ? check_preemption_disabled+0x48/0x280
[  734.362173]  ? __lock_is_held+0xb5/0x140
[  734.366234]  __alloc_pages_nodemask+0xad8/0xea0
[  734.370899]  ? zap_class+0x640/0x640
[  734.374614]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  734.379633]  ? find_held_lock+0x36/0x1c0
[  734.383697]  ? ____cache_alloc_node+0x1c7/0x1e0
[  734.388363]  ? lock_downgrade+0x900/0x900
[  734.392517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.398051]  cache_grow_begin+0xa5/0x8c0
[  734.402110]  ? do_raw_spin_unlock+0xa7/0x330
[  734.406519]  fallback_alloc+0x204/0x2e0
[  734.410497]  ____cache_alloc_node+0x1c7/0x1e0
[  734.415002]  kmem_cache_alloc_node+0xe3/0x730
[  734.419493]  ? lockdep_hardirqs_on+0x296/0x5b0
[  734.424080]  __alloc_skb+0x119/0x770
[  734.427787]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  734.433151]  ? netdev_alloc_frag+0x1f0/0x1f0
[  734.437570]  ? vprintk_default+0x28/0x30
[  734.441628]  ? vprintk_func+0x85/0x181
[  734.445513]  ? printk+0xa7/0xcf
[  734.448786]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  734.453547]  new_skb+0x26/0x1c0
[  734.456833]  aoecmd_cfg+0x279/0x7f0
[  734.460458]  ? find_held_lock+0x36/0x1c0
[  734.464514]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  734.468836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.474380]  ? __lock_is_held+0xb5/0x140
[  734.478449]  discover_timer+0x50/0x60
[  734.482245]  call_timer_fn+0x272/0x920
[  734.486129]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  734.490965]  ? process_timeout+0x40/0x40
[  734.495029]  ? __run_timers+0x7da/0xc70
[  734.499000]  ? _raw_spin_unlock_irq+0x27/0x80
[  734.503494]  ? _raw_spin_unlock_irq+0x27/0x80
[  734.507983]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  734.512820]  ? lockdep_hardirqs_on+0x296/0x5b0
[  734.517399]  ? trace_hardirqs_on+0xbd/0x310
[  734.521715]  ? kasan_check_read+0x11/0x20
[  734.525856]  ? __run_timers+0x7da/0xc70
[  734.529827]  ? trace_hardirqs_off_caller+0x310/0x310
[  734.534935]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  734.539772]  __run_timers+0x7e5/0xc70
[  734.543580]  ? timer_fixup_init+0x70/0x70
[  734.547727]  ? lock_acquire+0x1ed/0x520
[  734.551698]  ? zap_class+0x640/0x640
[  734.555411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.560950]  ? kasan_check_read+0x11/0x20
[  734.565094]  ? do_raw_spin_lock+0x14f/0x350
[  734.569418]  ? find_held_lock+0x36/0x1c0
[  734.573481]  ? zap_class+0x640/0x640
[  734.577193]  ? pvclock_read_flags+0x160/0x160
[  734.581686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.587219]  ? check_preemption_disabled+0x48/0x280
[  734.592239]  ? __lock_is_held+0xb5/0x140
[  734.596295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.601837]  ? check_preemption_disabled+0x48/0x280
[  734.606854]  run_timer_softirq+0x52/0xb0
[  734.610909]  ? rcu_read_lock_sched_held+0x14f/0x180
[  734.615924]  __do_softirq+0x308/0xb7e
[  734.619728]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  734.624239]  ? lock_downgrade+0x900/0x900
[  734.628391]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  734.633498]  ? pvclock_read_flags+0x160/0x160
[  734.637991]  ? lapic_next_event+0x5a/0x90
[  734.642137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.647777]  ? kvm_clock_read+0x18/0x30
[  734.651747]  ? kvm_sched_clock_read+0x9/0x20
[  734.656154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.661690]  ? check_preemption_disabled+0x48/0x280
[  734.666707]  irq_exit+0x17f/0x1c0
[  734.670156]  smp_apic_timer_interrupt+0x1cb/0x760
[  734.674997]  ? smp_call_function_single_interrupt+0x159/0x650
[  734.680880]  ? smp_call_function_single_interrupt+0x650/0x650
[  734.686759]  ? interrupt_entry+0xb5/0xc0
[  734.690820]  ? trace_hardirqs_off_caller+0xbb/0x310
[  734.695831]  ? trace_hardirqs_off_caller+0xbb/0x310
[  734.700844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  734.705770]  ? trace_hardirqs_on_caller+0x310/0x310
[  734.710781]  ? trace_hardirqs_on_caller+0x310/0x310
[  734.715795]  ? task_prio+0x50/0x50
[  734.719333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.724872]  ? check_preemption_disabled+0x48/0x280
[  734.729888]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  734.734733]  apic_timer_interrupt+0xf/0x20
[  734.738957]  </IRQ>
[  734.741196] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  734.746122] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  734.765221] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  734.772940] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  734.780205] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  734.787465] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  734.794731] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  734.801994] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  734.809304]  skb_clone+0x1bb/0x500
[  734.812844]  ? finish_task_switch+0x1b4/0x910
[  734.817338]  ? skb_split+0x11e0/0x11e0
[  734.821317]  ? preempt_notifier_register+0x200/0x200
[  734.826438]  ? __switch_to_asm+0x34/0x70
[  734.830493]  ? __switch_to_asm+0x34/0x70
[  734.834567]  ? __switch_to_asm+0x40/0x70
[  734.838619]  ? __switch_to_asm+0x34/0x70
[  734.842671]  ? __switch_to_asm+0x40/0x70
[  734.846727]  ? __switch_to_asm+0x34/0x70
[  734.850784]  ? __switch_to_asm+0x40/0x70
[  734.854837]  ? __switch_to_asm+0x34/0x70
[  734.858895]  ? __switch_to_asm+0x34/0x70
[  734.862949]  ? __switch_to_asm+0x40/0x70
[  734.867002]  ? __switch_to_asm+0x34/0x70
[  734.871066]  bpf_clone_redirect+0xb9/0x490
[  734.875300]  ? __schedule+0x8d7/0x21d0
[  734.879187]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  734.884214]  ? __sched_text_start+0x8/0x8
[  734.888361]  ? retint_kernel+0x2d/0x2d
[  734.892253]  ? find_held_lock+0x36/0x1c0
[  734.896322]  ? lock_acquire+0x1ed/0x520
[  734.900293]  ? bpf_test_run+0x3ee/0x7a0
[  734.904263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  734.909799]  ? check_preemption_disabled+0x48/0x280
[  734.914815]  ? kasan_check_read+0x11/0x20
[  734.918958]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  734.924227]  ? rcu_softirq_qs+0x20/0x20
[  734.928196]  ? preempt_schedule+0x4d/0x60
[  734.932342]  ? ___preempt_schedule+0x16/0x18
[  734.936753]  ? bpf_test_run+0x271/0x7a0
[  734.940734]  ? netlink_diag_dump+0x2a0/0x2a0
[  734.945163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  734.950699]  ? bpf_test_init.isra.10+0x70/0x100
[  734.955383]  ? bpf_prog_test_run_skb+0x762/0xd60
[  734.960144]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  734.964990]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  734.970529]  ? fput+0x130/0x1a0
[  734.973807]  ? __bpf_prog_get+0x9b/0x290
[  734.977870]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  734.982736]  ? bpf_prog_test_run+0x130/0x1a0
[  734.987142]  ? __x64_sys_bpf+0x3d8/0x520
[  734.991212]  ? bpf_prog_get+0x20/0x20
[  734.995025]  ? do_syscall_64+0x1b9/0x820
[  734.999078]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  735.004440]  ? syscall_return_slowpath+0x5e0/0x5e0
[  735.009364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  735.014203]  ? trace_hardirqs_on_caller+0x310/0x310
[  735.019215]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  735.024251]  ? prepare_exit_to_usermode+0x291/0x3b0
[  735.029273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  735.034115]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  735.039491] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  735.039554] aoe: skb alloc failure
[  735.046518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  735.046523] Call Trace:
[  735.046529]  <IRQ>
[  735.046544]  dump_stack+0x244/0x39d
[  735.046563]  ? dump_stack_print_info.cold.1+0x20/0x20
[  735.050689] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  735.060011]  ? __wake_up+0xe/0x10
[  735.062569] syz-executor0 cpuset=syz0 mems_allowed=0
[  735.064715]  warn_alloc.cold.116+0xb7/0x1bd
[  735.096818]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  735.101660]  ? lock_downgrade+0x900/0x900
[  735.105814]  ? trace_hardirqs_off+0xb8/0x310
[  735.110224]  ? trace_hardirqs_off+0xb8/0x310
[  735.114641]  __alloc_pages_slowpath+0x2651/0x2de0
[  735.119509]  ? warn_alloc+0x120/0x120
[  735.123307]  ? print_usage_bug+0xc0/0xc0
[  735.127364]  ? warn_alloc+0x120/0x120
[  735.131162]  ? warn_alloc+0x120/0x120
[  735.134958]  ? print_usage_bug+0xc0/0xc0
[  735.139018]  ? print_usage_bug+0xc0/0xc0
[  735.143078]  ? __lock_acquire+0x62f/0x4c20
[  735.147314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  735.152847]  ? should_fail+0x22d/0xd01
[  735.156735]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  735.161847]  ? __lock_acquire+0x62f/0x4c20
[  735.166080]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  735.171178]  ? __lock_acquire+0x62f/0x4c20
[  735.175411]  ? should_fail+0x22d/0xd01
[  735.179306]  ? find_held_lock+0x36/0x1c0
[  735.183368]  ? mark_held_locks+0x130/0x130
[  735.187600]  ? mark_held_locks+0x130/0x130
[  735.191847]  ? zap_class+0x640/0x640
[  735.195562]  ? zap_class+0x640/0x640
[  735.199275]  ? print_usage_bug+0xc0/0xc0
[  735.203680]  ? do_raw_spin_unlock+0xa7/0x330
[  735.208083]  ? zap_class+0x640/0x640
[  735.211794]  ? print_usage_bug+0xc0/0xc0
[  735.216096]  ? wq_watchdog_touch+0x9c/0xfe
[  735.220348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.225896]  ? check_preemption_disabled+0x48/0x280
[  735.230915]  ? __lock_is_held+0xb5/0x140
[  735.234977]  __alloc_pages_nodemask+0xad8/0xea0
[  735.239639]  ? zap_class+0x640/0x640
[  735.243353]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  735.248374]  ? find_held_lock+0x36/0x1c0
[  735.252444]  ? ____cache_alloc_node+0x1c7/0x1e0
[  735.257107]  ? lock_downgrade+0x900/0x900
[  735.261255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.266790]  cache_grow_begin+0xa5/0x8c0
[  735.270845]  ? do_raw_spin_unlock+0xa7/0x330
[  735.275256]  fallback_alloc+0x204/0x2e0
[  735.279234]  ____cache_alloc_node+0x1c7/0x1e0
[  735.283729]  kmem_cache_alloc_node+0xe3/0x730
[  735.288224]  ? ipv6_get_ifaddr+0x42e/0x620
[  735.292554]  __alloc_skb+0x119/0x770
[  735.296261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  735.302142]  ? netdev_alloc_frag+0x1f0/0x1f0
[  735.306551]  ? lock_downgrade+0x900/0x900
[  735.310705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.316241]  ? refcount_sub_and_test_checked+0x203/0x310
[  735.321689]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  735.327221]  ? addrconf_rs_timer+0x690/0x690
[  735.331651]  ndisc_alloc_skb+0x144/0x340
[  735.335725]  ndisc_send_rs+0x331/0x6e0
[  735.339881]  addrconf_rs_timer+0x314/0x690
[  735.344117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  735.348356]  call_timer_fn+0x272/0x920
[  735.352324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  735.356553]  ? process_timeout+0x40/0x40
[  735.360617]  ? mark_held_locks+0xc7/0x130
[  735.364765]  ? _raw_spin_unlock_irq+0x27/0x80
[  735.369255]  ? _raw_spin_unlock_irq+0x27/0x80
[  735.373754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  735.377982]  ? lockdep_hardirqs_on+0x296/0x5b0
[  735.382561]  ? trace_hardirqs_on+0xbd/0x310
[  735.386884]  ? kasan_check_read+0x11/0x20
[  735.391030]  ? __run_timers+0x7da/0xc70
[  735.395000]  ? trace_hardirqs_off_caller+0x310/0x310
[  735.400102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  735.404335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  735.408563]  __run_timers+0x7e5/0xc70
[  735.412380]  ? timer_fixup_init+0x70/0x70
[  735.416523]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  735.421537]  ? zap_class+0x640/0x640
[  735.425265]  ? print_usage_bug+0xc0/0xc0
[  735.429326]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  735.434515]  ? find_held_lock+0x36/0x1c0
[  735.438584]  ? zap_class+0x640/0x640
[  735.442303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.447837]  ? check_preemption_disabled+0x48/0x280
[  735.452855]  ? __lock_is_held+0xb5/0x140
[  735.456916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.462450]  ? check_preemption_disabled+0x48/0x280
[  735.467493]  run_timer_softirq+0x52/0xb0
[  735.471552]  ? rcu_read_lock_sched_held+0x14f/0x180
[  735.476566]  __do_softirq+0x308/0xb7e
[  735.480365]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  735.484854]  ? lock_downgrade+0x900/0x900
[  735.489018]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  735.494145]  ? pvclock_read_flags+0x160/0x160
[  735.498647]  ? lapic_next_event+0x5a/0x90
[  735.502792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.508329]  ? kvm_clock_read+0x18/0x30
[  735.512300]  ? kvm_sched_clock_read+0x9/0x20
[  735.516703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.522242]  ? check_preemption_disabled+0x48/0x280
[  735.527263]  irq_exit+0x17f/0x1c0
[  735.530713]  smp_apic_timer_interrupt+0x1cb/0x760
[  735.535555]  ? smp_call_function_single_interrupt+0x159/0x650
[  735.541442]  ? smp_call_function_single_interrupt+0x650/0x650
[  735.547339]  ? interrupt_entry+0xb5/0xc0
[  735.551402]  ? trace_hardirqs_off_caller+0xbb/0x310
[  735.556429]  ? trace_hardirqs_off_caller+0xbb/0x310
[  735.561462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  735.566305]  ? trace_hardirqs_on_caller+0x310/0x310
[  735.571331]  ? trace_hardirqs_on_caller+0x310/0x310
[  735.576342]  ? task_prio+0x50/0x50
[  735.579890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.585445]  ? check_preemption_disabled+0x48/0x280
[  735.590489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  735.595332]  apic_timer_interrupt+0xf/0x20
[  735.599564]  </IRQ>
[  735.601798] RIP: 0010:smp_call_function_single+0x30a/0x660
[  735.607416] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  735.626311] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  735.634012] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  735.641282] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  735.648545] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  735.655809] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  735.663074] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  735.670363]  ? smp_call_function_single+0x351/0x660
[  735.675376]  ? smp_call_function_single+0x300/0x660
[  735.680394]  ? rcu_note_context_switch+0x12ad/0x2150
[  735.685494]  ? retint_kernel+0x2d/0x2d
[  735.689380]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  735.695273]  ? generic_exec_single+0x5f0/0x5f0
[  735.699867]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  735.705837]  ? zap_class+0x640/0x640
[  735.709553]  ? smp_call_function_single+0x302/0x660
[  735.714592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.720136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.725670]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  735.730683]  ? find_next_and_bit+0x183/0x1e0
[  735.735128]  smp_call_function_many+0x911/0xae0
[  735.739793]  ? __lock_acquire+0x62f/0x4c20
[  735.744025]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  735.749903]  ? _raw_spin_unlock_irq+0x27/0x80
[  735.754392]  ? _raw_spin_unlock_irq+0x27/0x80
[  735.758883]  ? smp_call_function_single_async+0x370/0x370
[  735.764416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.769957]  ? check_preemption_disabled+0x48/0x280
[  735.774973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.780504]  ? check_preemption_disabled+0x48/0x280
[  735.785519]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  735.791401]  on_each_cpu_mask+0x41/0x240
[  735.795462]  ? x86_configure_nx+0x110/0x110
[  735.799777]  on_each_cpu_cond_mask+0x171/0x210
[  735.804355]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  735.810236]  ? on_each_cpu_mask+0x240/0x240
[  735.814561]  native_flush_tlb_others+0x2ea/0x690
[  735.819317]  ? initialize_tlbstate_and_flush+0x380/0x380
[  735.824768]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  735.829777]  ? find_next_bit+0x104/0x130
[  735.833838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  735.839366]  ? find_next_bit+0x104/0x130
[  735.843427]  ? cpumask_next+0x41/0x50
[  735.847231]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  735.852239]  ? cpumask_any_but+0xb1/0xe0
[  735.856298]  flush_tlb_mm_range+0x2fe/0x5d0
[  735.860618]  ? fault_around_bytes_set+0x90/0x90
[  735.865290]  ? native_flush_tlb_others+0x690/0x690
[  735.870213]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  735.875749]  ? alloc_pages_current+0x17b/0x350
[  735.880330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  735.885862]  ? __tlb_remove_page_size+0x187/0x500
[  735.890708]  unmap_page_range+0x1eef/0x2930
[  735.895044]  ? vm_normal_page_pmd+0x510/0x510
[  735.899542]  ? mark_held_locks+0x130/0x130
[  735.903770]  ? finish_task_switch+0x1f4/0x910
[  735.908259]  ? finish_task_switch+0x1b4/0x910
[  735.912751]  ? __switch_to_asm+0x34/0x70
[  735.916924]  ? zap_class+0x640/0x640
[  735.920634]  ? prepare_to_wait_event+0x39f/0xa10
[  735.925382]  ? tlb_table_flush+0xb4/0x5c0
[  735.929527]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  735.934621]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  735.939725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  735.945255]  ? tlb_flush_mmu_free+0x105/0x170
[  735.949746]  ? tlb_flush_mmu+0x58/0x520
[  735.953719]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  735.958214]  ? kasan_check_write+0x14/0x20
[  735.962450]  ? tlb_finish_mmu+0x166/0x1f0
[  735.966592]  ? tlb_gather_mmu+0x440/0x440
[  735.970739]  ? kasan_check_write+0x14/0x20
[  735.974971]  __oom_reap_task_mm+0xf7/0x410
[  735.979204]  ? process_shares_mm+0x460/0x460
[  735.983626]  oom_reaper+0x2b7/0x11e0
[  735.987341]  ? __oom_reap_task_mm+0x410/0x410
[  735.991830]  ? lock_pin_lock+0x350/0x350
[  735.995889]  ? finish_wait+0x430/0x430
[  735.999783]  ? __schedule+0x168a/0x21d0
[  736.003749]  ? __switch_to_asm+0x40/0x70
[  736.007803]  ? __switch_to_asm+0x40/0x70
[  736.011878]  ? zap_class+0x640/0x640
[  736.015596]  ? __sched_text_start+0x8/0x8
[  736.019747]  ? find_held_lock+0x36/0x1c0
[  736.023813]  ? __kthread_parkme+0xce/0x1a0
[  736.028042]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  736.033136]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  736.038235]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  736.042815]  ? trace_hardirqs_on+0xbd/0x310
[  736.047133]  ? kasan_check_read+0x11/0x20
[  736.051801]  ? __kthread_parkme+0xce/0x1a0
[  736.056035]  ? trace_hardirqs_off_caller+0x310/0x310
[  736.061137]  ? preempt_schedule+0x4d/0x60
[  736.065286]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  736.070384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  736.075920]  ? __kthread_parkme+0xfb/0x1a0
[  736.080153]  ? __oom_reap_task_mm+0x410/0x410
[  736.084642]  kthread+0x35a/0x440
[  736.088007]  ? kthread_stop+0x900/0x900
[  736.091978]  ret_from_fork+0x3a/0x50
[  736.095707] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  736.095712] warn_alloc_show_mem: 1 callbacks suppressed
[  736.095718] Mem-Info:
[  736.103065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  736.103072] Call Trace:
[  736.108443] active_anon:44214 inactive_anon:199 isolated_anon:0
[  736.108443]  active_file:6 inactive_file:21 isolated_file:0
[  736.108443]  unevictable:0 dirty:0 writeback:0 unstable:0
[  736.108443]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  736.108443]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  736.108443]  free:13686 free_pcp:384 free_cma:0
[  736.110808]  <IRQ>
[  736.110823]  dump_stack+0x244/0x39d
[  736.120178] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  736.122752]  ? dump_stack_print_info.cold.1+0x20/0x20
[  736.155511] 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
[  736.157656]  ? __wake_up+0xe/0x10
[  736.161254] lowmem_reserve[]: 0 2818 6321 6321
[  736.188572]  warn_alloc.cold.116+0xb7/0x1bd
[  736.193728] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  736.220288]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  736.223707] lowmem_reserve[]: 0 0 3503 3503
[  736.228287]  ? lock_downgrade+0x900/0x900
[  736.232576] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  736.259894]  ? trace_hardirqs_off+0xb8/0x310
[  736.265122] lowmem_reserve[]: 0 0 0 0
[  736.269444]  ? trace_hardirqs_off+0xb8/0x310
[  736.273562] 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
[  736.302529]  __alloc_pages_slowpath+0x2651/0x2de0
[  736.306904] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  736.310714]  ? warn_alloc+0x120/0x120
[  736.315076] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  736.328588]  ? warn_alloc+0x120/0x120
[  736.333493] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  736.348649]  ? __lock_acquire+0x62f/0x4c20
[  736.352431] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  736.366022]  ? warn_alloc+0x120/0x120
[  736.369797] 271 total pagecache pages
[  736.378630]  ? print_usage_bug+0xc0/0xc0
[  736.382844] 0 pages in swap cache
[  736.391404]  ? print_usage_bug+0xc0/0xc0
[  736.395192] Swap cache stats: add 0, delete 0, find 0/0
[  736.398978]  ? mark_held_locks+0x130/0x130
[  736.403009] Free swap  = 0kB
[  736.406452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  736.410481] Total swap = 0kB
[  736.415830]  ? should_fail+0x22d/0xd01
[  736.420036] 1965979 pages RAM
[  736.423043]  ? zap_class+0x640/0x640
[  736.428545] 0 pages HighMem/MovableOnly
[  736.428552] 342854 pages reserved
[  736.431561]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  736.435420] 0 pages cma reserved
[  736.438518]  ? __lock_acquire+0x62f/0x4c20
[  736.442446] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  736.446360]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  736.446380]  ? should_fail+0x22d/0xd01
[  736.446403]  ? mark_held_locks+0x130/0x130
[  736.449883] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  736.454962]  ? mark_held_locks+0x130/0x130
[  736.458303] oom_reaper cpuset=/ mems_allowed=0
[  736.462528]  ? lock_downgrade+0x900/0x900
[  736.505311]  ? zap_class+0x640/0x640
[  736.509020]  ? zap_class+0x640/0x640
[  736.512731]  ? zap_class+0x640/0x640
[  736.516438]  ? do_raw_spin_unlock+0xa7/0x330
[  736.520854]  ? trace_hardirqs_on+0x310/0x310
[  736.525256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.530787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.536317]  ? check_preemption_disabled+0x48/0x280
[  736.541340]  ? __lock_is_held+0xb5/0x140
[  736.545407]  __alloc_pages_nodemask+0xad8/0xea0
[  736.550071]  ? zap_class+0x640/0x640
[  736.553786]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  736.558808]  ? find_held_lock+0x36/0x1c0
[  736.562871]  ? ____cache_alloc_node+0x1c7/0x1e0
[  736.567538]  ? lock_downgrade+0x900/0x900
[  736.571688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.577227]  cache_grow_begin+0xa5/0x8c0
[  736.581284]  ? do_raw_spin_unlock+0xa7/0x330
[  736.585694]  fallback_alloc+0x204/0x2e0
[  736.589667]  ____cache_alloc_node+0x1c7/0x1e0
[  736.594165]  kmem_cache_alloc_node+0xe3/0x730
[  736.598671]  ? lockdep_hardirqs_on+0x296/0x5b0
[  736.603255]  __alloc_skb+0x119/0x770
[  736.606961]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  736.612320]  ? netdev_alloc_frag+0x1f0/0x1f0
[  736.616730]  ? vprintk_default+0x28/0x30
[  736.620787]  ? vprintk_func+0x85/0x181
[  736.624669]  ? printk+0xa7/0xcf
[  736.627946]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  736.632718]  new_skb+0x26/0x1c0
[  736.635996]  aoecmd_cfg+0x279/0x7f0
[  736.639618]  ? find_held_lock+0x36/0x1c0
[  736.643680]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  736.647999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.653540]  ? __lock_is_held+0xb5/0x140
[  736.657608]  discover_timer+0x50/0x60
[  736.661403]  call_timer_fn+0x272/0x920
[  736.665284]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  736.670124]  ? process_timeout+0x40/0x40
[  736.674184]  ? __run_timers+0x7da/0xc70
[  736.678155]  ? _raw_spin_unlock_irq+0x27/0x80
[  736.682642]  ? _raw_spin_unlock_irq+0x27/0x80
[  736.687132]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  736.691971]  ? lockdep_hardirqs_on+0x296/0x5b0
[  736.696549]  ? trace_hardirqs_on+0xbd/0x310
[  736.700866]  ? kasan_check_read+0x11/0x20
[  736.705007]  ? __run_timers+0x7da/0xc70
[  736.708976]  ? trace_hardirqs_off_caller+0x310/0x310
[  736.714084]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  736.718926]  __run_timers+0x7e5/0xc70
[  736.722732]  ? timer_fixup_init+0x70/0x70
[  736.726966]  ? lock_acquire+0x1ed/0x520
[  736.730935]  ? zap_class+0x640/0x640
[  736.734648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.740197]  ? kasan_check_read+0x11/0x20
[  736.744340]  ? do_raw_spin_lock+0x14f/0x350
[  736.748669]  ? find_held_lock+0x36/0x1c0
[  736.752727]  ? zap_class+0x640/0x640
[  736.756443]  ? pvclock_read_flags+0x160/0x160
[  736.760936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.766468]  ? check_preemption_disabled+0x48/0x280
[  736.771488]  ? __lock_is_held+0xb5/0x140
[  736.775545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.781078]  ? check_preemption_disabled+0x48/0x280
[  736.786096]  run_timer_softirq+0x52/0xb0
[  736.790160]  ? rcu_read_lock_sched_held+0x14f/0x180
[  736.795175]  __do_softirq+0x308/0xb7e
[  736.798973]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  736.803461]  ? lock_downgrade+0x900/0x900
[  736.807607]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  736.812712]  ? pvclock_read_flags+0x160/0x160
[  736.817203]  ? lapic_next_event+0x5a/0x90
[  736.821356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.826896]  ? kvm_clock_read+0x18/0x30
[  736.830865]  ? kvm_sched_clock_read+0x9/0x20
[  736.835271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.840803]  ? check_preemption_disabled+0x48/0x280
[  736.845820]  irq_exit+0x17f/0x1c0
[  736.849280]  smp_apic_timer_interrupt+0x1cb/0x760
[  736.854122]  ? smp_call_function_single_interrupt+0x159/0x650
[  736.860000]  ? smp_call_function_single_interrupt+0x650/0x650
[  736.865879]  ? interrupt_entry+0xb5/0xc0
[  736.869937]  ? trace_hardirqs_off_caller+0xbb/0x310
[  736.874947]  ? trace_hardirqs_off_caller+0xbb/0x310
[  736.879958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  736.884810]  ? trace_hardirqs_on_caller+0x310/0x310
[  736.889819]  ? trace_hardirqs_on_caller+0x310/0x310
[  736.894828]  ? task_prio+0x50/0x50
[  736.898370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  736.903905]  ? check_preemption_disabled+0x48/0x280
[  736.908920]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  736.913765]  apic_timer_interrupt+0xf/0x20
[  736.917991]  </IRQ>
[  736.920225] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  736.925151] Code: 7e 0f 85 cf fe ff ff e8 86 ed 3d ff e9 c5 fe ff ff e8 3d 23 c3 ff 48 83 3d c5 6b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a c2
[  736.944044] RSP: 0000:ffff888197a576f8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  736.951747] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  736.959010] RDX: 0000000000000000 RSI: ffff8881cd966cc0 RDI: 0000000000000282
[  736.966275] RBP: ffff888197a57760 R08: ffff8881cd966440 R09: 0000000000000000
[  736.973538] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  736.980804] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  736.988369]  skb_clone+0x1bb/0x500
[  736.991907]  ? finish_task_switch+0x1b4/0x910
[  736.996399]  ? skb_split+0x11e0/0x11e0
[  737.000284]  ? preempt_notifier_register+0x200/0x200
[  737.005379]  ? __switch_to_asm+0x34/0x70
[  737.009437]  ? __switch_to_asm+0x34/0x70
[  737.013599]  ? __switch_to_asm+0x40/0x70
[  737.017652]  ? __switch_to_asm+0x34/0x70
[  737.021716]  ? __switch_to_asm+0x40/0x70
[  737.025768]  ? __switch_to_asm+0x34/0x70
[  737.029828]  ? __switch_to_asm+0x40/0x70
[  737.033885]  ? __switch_to_asm+0x34/0x70
[  737.037939]  ? __switch_to_asm+0x34/0x70
[  737.041993]  ? __switch_to_asm+0x40/0x70
[  737.046047]  ? __switch_to_asm+0x34/0x70
[  737.050114]  bpf_clone_redirect+0xb9/0x490
[  737.054350]  ? __schedule+0x8d7/0x21d0
[  737.058241]  bpf_prog_bebbfe2050753572+0xc5c/0x1000
[  737.063252]  ? __sched_text_start+0x8/0x8
[  737.067398]  ? retint_kernel+0x2d/0x2d
[  737.071286]  ? find_held_lock+0x36/0x1c0
[  737.075357]  ? lock_acquire+0x1ed/0x520
[  737.079347]  ? bpf_test_run+0x3ee/0x7a0
[  737.083329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.088863]  ? check_preemption_disabled+0x48/0x280
[  737.093879]  ? kasan_check_read+0x11/0x20
[  737.098020]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  737.103381]  ? rcu_softirq_qs+0x20/0x20
[  737.107357]  ? preempt_schedule+0x4d/0x60
[  737.111505]  ? ___preempt_schedule+0x16/0x18
[  737.115918]  ? bpf_test_run+0x271/0x7a0
[  737.119897]  ? netlink_diag_dump+0x2a0/0x2a0
[  737.124302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  737.129838]  ? bpf_test_init.isra.10+0x70/0x100
[  737.134504]  ? bpf_prog_test_run_skb+0x762/0xd60
[  737.139264]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  737.144107]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  737.149639]  ? fput+0x130/0x1a0
[  737.152916]  ? __bpf_prog_get+0x9b/0x290
[  737.157101]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  737.161942]  ? bpf_prog_test_run+0x130/0x1a0
[  737.166346]  ? __x64_sys_bpf+0x3d8/0x520
[  737.170404]  ? bpf_prog_get+0x20/0x20
[  737.174215]  ? do_syscall_64+0x1b9/0x820
[  737.178269]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  737.183629]  ? syscall_return_slowpath+0x5e0/0x5e0
[  737.188555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  737.193398]  ? trace_hardirqs_on_caller+0x310/0x310
[  737.198412]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  737.203427]  ? prepare_exit_to_usermode+0x291/0x3b0
[  737.208444]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  737.213301]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  737.219192] CPU: 0 PID: 1022 Comm: oom_reaper Not tainted 4.20.0-rc4+ #103
[  737.219244] aoe: skb alloc failure
[  737.226199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  737.226204] Call Trace:
[  737.226210]  <IRQ>
[  737.226227]  dump_stack+0x244/0x39d
[  737.226246]  ? dump_stack_print_info.cold.1+0x20/0x20
[  737.229784] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  737.239104]  ? __wake_up+0xe/0x10
[  737.241658] syz-executor0 cpuset=syz0 mems_allowed=0
[  737.243799]  warn_alloc.cold.116+0xb7/0x1bd
[  737.275866]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  737.280708]  ? lock_downgrade+0x900/0x900
[  737.284856]  ? trace_hardirqs_off+0xb8/0x310
[  737.289267]  ? trace_hardirqs_off+0xb8/0x310
[  737.293681]  __alloc_pages_slowpath+0x2651/0x2de0
[  737.298543]  ? warn_alloc+0x120/0x120
[  737.302344]  ? print_usage_bug+0xc0/0xc0
[  737.306402]  ? warn_alloc+0x120/0x120
[  737.310198]  ? warn_alloc+0x120/0x120
[  737.313995]  ? print_usage_bug+0xc0/0xc0
[  737.318059]  ? print_usage_bug+0xc0/0xc0
[  737.322114]  ? __lock_acquire+0x62f/0x4c20
[  737.326350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  737.331880]  ? should_fail+0x22d/0xd01
[  737.335764]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  737.340859]  ? __lock_acquire+0x62f/0x4c20
[  737.345096]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  737.350206]  ? __lock_acquire+0x62f/0x4c20
[  737.354441]  ? should_fail+0x22d/0xd01
[  737.358325]  ? find_held_lock+0x36/0x1c0
[  737.362390]  ? mark_held_locks+0x130/0x130
[  737.366622]  ? mark_held_locks+0x130/0x130
[  737.370852]  ? zap_class+0x640/0x640
[  737.374564]  ? zap_class+0x640/0x640
[  737.378279]  ? print_usage_bug+0xc0/0xc0
[  737.382337]  ? do_raw_spin_unlock+0xa7/0x330
[  737.386739]  ? zap_class+0x640/0x640
[  737.390445]  ? print_usage_bug+0xc0/0xc0
[  737.394499]  ? wq_watchdog_touch+0x9c/0xfe
[  737.398733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.404270]  ? check_preemption_disabled+0x48/0x280
[  737.409305]  ? __lock_is_held+0xb5/0x140
[  737.413374]  __alloc_pages_nodemask+0xad8/0xea0
[  737.418035]  ? zap_class+0x640/0x640
[  737.421748]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  737.426767]  ? find_held_lock+0x36/0x1c0
[  737.430830]  ? ____cache_alloc_node+0x1c7/0x1e0
[  737.435494]  ? lock_downgrade+0x900/0x900
[  737.439645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.445179]  cache_grow_begin+0xa5/0x8c0
[  737.449246]  ? do_raw_spin_unlock+0xa7/0x330
[  737.453659]  fallback_alloc+0x204/0x2e0
[  737.457631]  ____cache_alloc_node+0x1c7/0x1e0
[  737.462125]  kmem_cache_alloc_node+0xe3/0x730
[  737.466618]  ? ipv6_get_ifaddr+0x42e/0x620
[  737.470856]  __alloc_skb+0x119/0x770
[  737.474566]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  737.479844]  ? netdev_alloc_frag+0x1f0/0x1f0
[  737.484246]  ? lock_downgrade+0x900/0x900
[  737.488396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.493927]  ? refcount_sub_and_test_checked+0x203/0x310
[  737.499379]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  737.504826]  ? addrconf_rs_timer+0x690/0x690
[  737.509240]  ndisc_alloc_skb+0x144/0x340
[  737.513305]  ndisc_send_rs+0x331/0x6e0
[  737.517191]  addrconf_rs_timer+0x314/0x690
[  737.521428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  737.525669]  call_timer_fn+0x272/0x920
[  737.529556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  737.533787]  ? process_timeout+0x40/0x40
[  737.537851]  ? mark_held_locks+0xc7/0x130
[  737.542007]  ? _raw_spin_unlock_irq+0x27/0x80
[  737.546499]  ? _raw_spin_unlock_irq+0x27/0x80
[  737.550989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  737.555218]  ? lockdep_hardirqs_on+0x296/0x5b0
[  737.559795]  ? trace_hardirqs_on+0xbd/0x310
[  737.564114]  ? kasan_check_read+0x11/0x20
[  737.568266]  ? __run_timers+0x7da/0xc70
[  737.572241]  ? trace_hardirqs_off_caller+0x310/0x310
[  737.577358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  737.581596]  __run_timers+0x7e5/0xc70
[  737.585398]  ? timer_fixup_init+0x70/0x70
[  737.589548]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  737.594563]  ? zap_class+0x640/0x640
[  737.598283]  ? print_usage_bug+0xc0/0xc0
[  737.602345]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  737.607538]  ? find_held_lock+0x36/0x1c0
[  737.611598]  ? zap_class+0x640/0x640
[  737.615318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.620851]  ? check_preemption_disabled+0x48/0x280
[  737.625871]  ? __lock_is_held+0xb5/0x140
[  737.629927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.635458]  ? check_preemption_disabled+0x48/0x280
[  737.640473]  run_timer_softirq+0x52/0xb0
[  737.644534]  ? rcu_read_lock_sched_held+0x14f/0x180
[  737.649547]  __do_softirq+0x308/0xb7e
[  737.653348]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  737.657839]  ? lock_downgrade+0x900/0x900
[  737.661984]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  737.667087]  ? pvclock_read_flags+0x160/0x160
[  737.671579]  ? lapic_next_event+0x5a/0x90
[  737.675737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.681283]  ? kvm_clock_read+0x18/0x30
[  737.685250]  ? kvm_sched_clock_read+0x9/0x20
[  737.689659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.695193]  ? check_preemption_disabled+0x48/0x280
[  737.700213]  irq_exit+0x17f/0x1c0
[  737.703661]  smp_apic_timer_interrupt+0x1cb/0x760
[  737.708499]  ? smp_call_function_single_interrupt+0x159/0x650
[  737.714382]  ? smp_call_function_single_interrupt+0x650/0x650
[  737.720270]  ? interrupt_entry+0xb5/0xc0
[  737.724326]  ? trace_hardirqs_off_caller+0xbb/0x310
[  737.729339]  ? trace_hardirqs_off_caller+0xbb/0x310
[  737.734365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  737.739203]  ? trace_hardirqs_on_caller+0x310/0x310
[  737.744212]  ? trace_hardirqs_on_caller+0x310/0x310
[  737.749219]  ? task_prio+0x50/0x50
[  737.752758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.758307]  ? check_preemption_disabled+0x48/0x280
[  737.763321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  737.768164]  apic_timer_interrupt+0xf/0x20
[  737.772390]  </IRQ>
[  737.774627] RIP: 0010:smp_call_function_single+0x30a/0x660
[  737.780246] Code: 48 89 44 24 28 e8 f6 78 0c 00 45 85 e4 74 67 48 8b 44 24 28 48 83 c3 18 49 89 c4 e8 d0 77 0c 00 f3 90 48 89 d8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 30 84 c0 74 08 3c 03 0f 8e a1 02 00 00 41
[  737.799146] RSP: 0018:ffff8881d7b0ef40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  737.806847] RAX: ffff8881d7b0efb8 RBX: ffff8881d7b0efb8 RCX: ffffffff81731381
[  737.814109] RDX: 0000000000000000 RSI: ffffffff81731330 RDI: 0000000000000005
[  737.821370] RBP: ffff8881d7b0f090 R08: ffff8881d7b4e200 R09: ffffed103b5e5b80
[  737.828635] R10: ffffed103b5e5b80 R11: ffff8881daf2dc07 R12: ffffed103af61e04
[  737.835898] R13: 1ffff1103af61df0 R14: dffffc0000000000 R15: 0000000000000001
[  737.843176]  ? smp_call_function_single+0x351/0x660
[  737.848202]  ? smp_call_function_single+0x300/0x660
[  737.853220]  ? rcu_note_context_switch+0x12ad/0x2150
[  737.858323]  ? retint_kernel+0x2d/0x2d
[  737.862208]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  737.868089]  ? generic_exec_single+0x5f0/0x5f0
[  737.872669]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  737.878570]  ? zap_class+0x640/0x640
[  737.882280]  ? smp_call_function_single+0x302/0x660
[  737.887290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.892830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.898361]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  737.903369]  ? find_next_and_bit+0x183/0x1e0
[  737.907780]  smp_call_function_many+0x911/0xae0
[  737.912443]  ? __lock_acquire+0x62f/0x4c20
[  737.916681]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  737.922560]  ? _raw_spin_unlock_irq+0x27/0x80
[  737.927048]  ? _raw_spin_unlock_irq+0x27/0x80
[  737.931539]  ? smp_call_function_single_async+0x370/0x370
[  737.937072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.942616]  ? check_preemption_disabled+0x48/0x280
[  737.947630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  737.953163]  ? check_preemption_disabled+0x48/0x280
[  737.958180]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  737.964057]  on_each_cpu_mask+0x41/0x240
[  737.968114]  ? x86_configure_nx+0x110/0x110
[  737.972434]  on_each_cpu_cond_mask+0x171/0x210
[  737.977016]  ? flush_tlb_func_common.constprop.17+0xd90/0xd90
[  737.982895]  ? on_each_cpu_mask+0x240/0x240
[  737.987220]  native_flush_tlb_others+0x2ea/0x690
[  737.991982]  ? initialize_tlbstate_and_flush+0x380/0x380
[  737.997438]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  738.002449]  ? find_next_bit+0x104/0x130
[  738.006535]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  738.012080]  ? find_next_bit+0x104/0x130
[  738.016138]  ? cpumask_next+0x41/0x50
[  738.019933]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  738.024958]  ? cpumask_any_but+0xb1/0xe0
[  738.029018]  flush_tlb_mm_range+0x2fe/0x5d0
[  738.033337]  ? fault_around_bytes_set+0x90/0x90
[  738.038006]  ? native_flush_tlb_others+0x690/0x690
[  738.042931]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  738.048756]  ? alloc_pages_current+0x17b/0x350
[  738.053340]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  738.058884]  ? __tlb_remove_page_size+0x187/0x500
[  738.063724]  unmap_page_range+0x1eef/0x2930
[  738.068060]  ? vm_normal_page_pmd+0x510/0x510
[  738.072561]  ? mark_held_locks+0x130/0x130
[  738.076792]  ? finish_task_switch+0x1f4/0x910
[  738.081285]  ? finish_task_switch+0x1b4/0x910
[  738.085777]  ? __switch_to_asm+0x34/0x70
[  738.089843]  ? zap_class+0x640/0x640
[  738.093557]  ? prepare_to_wait_event+0x39f/0xa10
[  738.098305]  ? tlb_table_flush+0xb4/0x5c0
[  738.102448]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  738.107543]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  738.112649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.118177]  ? tlb_flush_mmu_free+0x105/0x170
[  738.122672]  ? tlb_flush_mmu+0x58/0x520
[  738.126650]  ? arch_tlb_finish_mmu+0xa2/0x3c0
[  738.131145]  ? kasan_check_write+0x14/0x20
[  738.135373]  ? tlb_finish_mmu+0x166/0x1f0
[  738.139518]  ? tlb_gather_mmu+0x440/0x440
[  738.143663]  ? kasan_check_write+0x14/0x20
[  738.147897]  __oom_reap_task_mm+0xf7/0x410
[  738.152129]  ? process_shares_mm+0x460/0x460
[  738.156555]  oom_reaper+0x2b7/0x11e0
[  738.160275]  ? __oom_reap_task_mm+0x410/0x410
[  738.164764]  ? lock_pin_lock+0x350/0x350
[  738.168825]  ? finish_wait+0x430/0x430
[  738.172714]  ? __schedule+0x168a/0x21d0
[  738.176681]  ? __switch_to_asm+0x40/0x70
[  738.180733]  ? __switch_to_asm+0x40/0x70
[  738.184794]  ? zap_class+0x640/0x640
[  738.188509]  ? __sched_text_start+0x8/0x8
[  738.192673]  ? find_held_lock+0x36/0x1c0
[  738.196739]  ? __kthread_parkme+0xce/0x1a0
[  738.200969]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  738.206064]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  738.211167]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  738.215746]  ? trace_hardirqs_on+0xbd/0x310
[  738.220168]  ? kasan_check_read+0x11/0x20
[  738.224313]  ? __kthread_parkme+0xce/0x1a0
[  738.228546]  ? trace_hardirqs_off_caller+0x310/0x310
[  738.233649]  ? preempt_schedule+0x4d/0x60
[  738.237798]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  738.242910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  738.248443]  ? __kthread_parkme+0xfb/0x1a0
[  738.252692]  ? __oom_reap_task_mm+0x410/0x410
[  738.257190]  kthread+0x35a/0x440
[  738.260571]  ? kthread_stop+0x900/0x900
[  738.265050]  ret_from_fork+0x3a/0x50
[  738.268785] warn_alloc_show_mem: 1 callbacks suppressed
[  738.268795] CPU: 1 PID: 31959 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #103
[  738.268796] Mem-Info:
[  738.268826] active_anon:44214 inactive_anon:199 isolated_anon:0
[  738.268826]  active_file:6 inactive_file:21 isolated_file:0
[  738.268826]  unevictable:0 dirty:0 writeback:0 unstable:0
[  738.268826]  slab_reclaimable:9254 slab_unreclaimable:1461523
[  738.268826]  mapped:49154 shmem:244 pagetables:666 bounce:0
[  738.268826]  free:13686 free_pcp:384 free_cma:0
[  738.274153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  738.274160] Call Trace:
[  738.281521] Node 0 active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 22528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[  738.283910]  <IRQ>
[  738.316691] 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
[  738.326039]  dump_stack+0x244/0x39d
[  738.328587] lowmem_reserve[]: 0 2818 6321 6321
[  738.355905]  ? dump_stack_print_info.cold.1+0x20/0x20
[  738.358024] Node 0 DMA32 free:25200kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:44kB local_pcp:44kB free_cma:0kB
[  738.384125]  ? __wake_up+0xe/0x10
[  738.387718] lowmem_reserve[]: 0 0 3503 3503
[  738.392300]  warn_alloc.cold.116+0xb7/0x1bd
[  738.397482] Node 0 Normal free:13636kB min:37364kB low:46704kB high:56044kB active_anon:176856kB inactive_anon:796kB active_file:24kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:2664kB bounce:0kB free_pcp:1492kB local_pcp:248kB free_cma:0kB
[  738.424795]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  738.428221] lowmem_reserve[]: 0 0 0 0
[  738.432532]  ? lock_downgrade+0x900/0x900
[  738.436823] 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
[  738.465791]  ? trace_hardirqs_off+0xb8/0x310
[  738.470600] Node 0 DMA32: 3*4kB (UM) 1*8kB (U) 2*16kB (M) 4*32kB (UM) 3*64kB (M) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24948kB
[  738.474392]  ? trace_hardirqs_off+0xb8/0x310
[  738.478507] Node 0 Normal: 601*4kB (MEH) 486*8kB (UME) 237*16kB (UME) 111*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13636kB
[  738.492025]  __alloc_pages_slowpath+0x2651/0x2de0
[  738.496411] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  738.511587]  ? warn_alloc+0x120/0x120
[  738.515956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  738.529549]  ? warn_alloc+0x120/0x120
[  738.534462] 271 total pagecache pages
[  738.543283]  ? __lock_acquire+0x62f/0x4c20
[  738.547064] 0 pages in swap cache
[  738.555620]  ? warn_alloc+0x120/0x120
[  738.559398] Swap cache stats: add 0, delete 0, find 0/0
[  738.563189]  ? print_usage_bug+0xc0/0xc0
[  738.567393] Free swap  = 0kB
[  738.570832]  ? print_usage_bug+0xc0/0xc0
[  738.574598] Total swap = 0kB
[  738.574605] 1965979 pages RAM
[  738.579976]  ? mark_held_locks+0x130/0x130
[  738.584016] 0 pages HighMem/MovableOnly
[  738.587024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  738.591053] 342854 pages reserved
[  738.591060] 0 pages cma reserved
[  738.594068]  ? should_fail+0x22d/0xd01
[  738.597213] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  738.601377]  ? zap_class+0x640/0x640
[  738.601394]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  738.605472] oom_reaper: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  738.610862]  ? __lock_acquire+0x62f/0x4c20
[  738.614289] oom_reaper cpuset=/ mems_allowed=0
[  738.617643]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  738.660848]  ? should_fail+0x22d/0xd01
[  738.664740]  ? mark_held_locks+0x130/0x130
[  738.668973]  ? mark_held_locks+0x130/0x130
[  738.673203]  ? lock_downgrade+0x900/0x900
[  738.677348]  ? zap_class+0x640/0x640
[  738.681057]  ? zap_class+0x640/0x640
[  738.684767]  ? zap_class+0x640/0x640
[  738.688473]  ? do_raw_spin_unlock+0xa7/0x330
[  738.692975]  ? trace_hardirqs_on+0x310/0x310
[  738.697381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.702914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.708450]  ? check_preemption_disabled+0x48/0x280
[  738.713468]  ? __lock_is_held+0xb5/0x140
[  738.717530]  __alloc_pages_nodemask+0xad8/0xea0
[  738.722203]  ? zap_class+0x640/0x640
[  738.725916]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  738.730948]  ? find_held_lock+0x36/0x1c0
[  738.735015]  ? ____cache_alloc_node+0x1c7/0x1e0
[  738.739681]  ? lock_downgrade+0x900/0x900
[  738.743832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.749369]  cache_grow_begin+0xa5/0x8c0
[  738.753424]  ? do_raw_spin_unlock+0xa7/0x330
[  738.757843]  fallback_alloc+0x204/0x2e0
[  738.761832]  ____cache_alloc_node+0x1c7/0x1e0
[  738.766326]  kmem_cache_alloc_node+0xe3/0x730
[  738.770816]  ? lockdep_hardirqs_on+0x296/0x5b0
[  738.775403]  __alloc_skb+0x119/0x770
[  738.779126]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  738.784487]  ? netdev_alloc_frag+0x1f0/0x1f0
[  738.788895]  ? vprintk_default+0x28/0x30
[  738.792952]  ? vprintk_func+0x85/0x181
[  738.796836]  ? printk+0xa7/0xcf
[  738.800109]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  738.804867]  new_skb+0x26/0x1c0
[  738.808141]  aoecmd_cfg+0x279/0x7f0
[  738.811774]  ? find_held_lock+0x36/0x1c0
[  738.815831]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  738.820152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.825704]  ? __lock_is_held+0xb5/0x140
[  738.829771]  discover_timer+0x50/0x60
[  738.833567]  call_timer_fn+0x272/0x920
[  738.837448]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  738.842284]  ? process_timeout+0x40/0x40
[  738.846347]  ? __run_timers+0x7da/0xc70
[  738.850320]  ? _raw_spin_unlock_irq+0x27/0x80
[  738.854807]  ? _raw_spin_unlock_irq+0x27/0x80
[  738.859298]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  738.864136]  ? lockdep_hardirqs_on+0x296/0x5b0
[  738.868722]  ? trace_hardirqs_on+0xbd/0x310
[  738.873040]  ? kasan_check_read+0x11/0x20
[  738.877187]  ? __run_timers+0x7da/0xc70
[  738.881165]  ? trace_hardirqs_off_caller+0x310/0x310
[  738.886272]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  738.891117]  __run_timers+0x7e5/0xc70
[  738.894925]  ? timer_fixup_init+0x70/0x70
[  738.899071]  ? lock_acquire+0x1ed/0x520
[  738.903041]  ? zap_class+0x640/0x640
[  738.906749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.912283]  ? kasan_check_read+0x11/0x20
[  738.916425]  ? do_raw_spin_lock+0x14f/0x350
[  738.920752]  ? find_held_lock+0x36/0x1c0
[  738.924813]  ? zap_class+0x640/0x640
[  738.928527]  ? pvclock_read_flags+0x160/0x160
[  738.933018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.938566]  ? check_preemption_disabled+0x48/0x280
[  738.943586]  ? __lock_is_held+0xb5/0x140
[  738.947647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.953179]  ? check_preemption_disabled+0x48/0x280
[  738.958194]  run_timer_softirq+0x52/0xb0
[  738.962250]  ? rcu_read_lock_sched_held+0x14f/0x180
[  738.967260]  __do_softirq+0x308/0xb7e
[  738.971063]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  738.975552]  ? lock_downgrade+0x900/0x900
[  738.979698]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  738.984806]  ? pvclock_read_flags+0x160/0x160
[  738.989300]  ? lapic_next_event+0x5a/0x90
[  738.993444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  738.998993]  ? kvm_clock_read+0x18/0x30
[  739.002966]  ? kvm_sched_clock_read+0x9/0x20
[  739.007370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  739.012910]  ? check_preemption_disabled+0x48/0x280
[  739.017933]  irq_exit+0x17f/0x1c0
[  739.021382]  smp_apic_timer_interrupt+0x1cb/0x760
[  739.026223]  ? smp_call_function_single_interrupt+0x159/0x650
[  739.032101]  ? smp_call_function_single_interrupt+0x650/0x650
[  739.037982]  ? interrupt_entry+0xb5/0xc0
[  739.042040]  ? trace_hardirqs_off_caller+0xbb/0x310
[  739.047050]  ? trace_hardirqs_off_caller+0xbb/0x310
[  739.052061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  739.056904]  ? trace_hardirqs_on_caller+0x310/0x310
[  739.061927]  ? trace_hardirqs_on_caller+0x310/0x310
[  739.066937]  ? task_prio+0x50/0x50
[  739.070473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  739.076004]  ? check_preemption_disabled+0x48/0x280
[  739.081019]  ? trace_hardirqs_off_thunk+0x1a/0x1c